// This is an open source non-commercial project. Dear PVS-Studio, please check // it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com // // normal.c: Contains the main routine for processing characters in command // mode. Communicates closely with the code in ops.c to handle // the operators. // #include #include #include #include #include #include "nvim/api/private/helpers.h" #include "nvim/ascii.h" #include "nvim/buffer.h" #include "nvim/change.h" #include "nvim/charset.h" #include "nvim/cmdhist.h" #include "nvim/cursor.h" #include "nvim/diff.h" #include "nvim/digraph.h" #include "nvim/drawscreen.h" #include "nvim/edit.h" #include "nvim/eval.h" #include "nvim/eval/userfunc.h" #include "nvim/event/loop.h" #include "nvim/ex_cmds.h" #include "nvim/ex_cmds2.h" #include "nvim/ex_docmd.h" #include "nvim/ex_getln.h" #include "nvim/fileio.h" #include "nvim/fold.h" #include "nvim/getchar.h" #include "nvim/globals.h" #include "nvim/grid.h" #include "nvim/help.h" #include "nvim/indent.h" #include "nvim/keycodes.h" #include "nvim/log.h" #include "nvim/main.h" #include "nvim/mapping.h" #include "nvim/mark.h" #include "nvim/memline.h" #include "nvim/memory.h" #include "nvim/menu.h" #include "nvim/message.h" #include "nvim/mouse.h" #include "nvim/move.h" #include "nvim/normal.h" #include "nvim/ops.h" #include "nvim/option.h" #include "nvim/os/input.h" #include "nvim/os/time.h" #include "nvim/plines.h" #include "nvim/profile.h" #include "nvim/quickfix.h" #include "nvim/search.h" #include "nvim/spell.h" #include "nvim/spellfile.h" #include "nvim/spellsuggest.h" #include "nvim/state.h" #include "nvim/strings.h" #include "nvim/syntax.h" #include "nvim/tag.h" #include "nvim/textformat.h" #include "nvim/textobject.h" #include "nvim/ui.h" #include "nvim/undo.h" #include "nvim/vim.h" #include "nvim/window.h" typedef struct normal_state { VimState state; bool command_finished; bool ctrl_w; bool need_flushbuf; bool set_prevcount; bool previous_got_int; // `got_int` was true bool cmdwin; // command-line window normal mode bool noexmode; // true if the normal mode was pushed from // ex mode(:global or :visual for example) bool toplevel; // top-level normal mode oparg_T oa; // operator arguments cmdarg_T ca; // command arguments int mapped_len; int old_mapped_len; int idx; int c; int old_col; pos_T old_pos; } NormalState; static int VIsual_mode_orig = NUL; // saved Visual mode #ifdef INCLUDE_GENERATED_DECLARATIONS # include "normal.c.generated.h" #endif static inline void normal_state_init(NormalState *s) { memset(s, 0, sizeof(NormalState)); s->state.check = normal_check; s->state.execute = normal_execute; } // nv_*(): functions called to handle Normal and Visual mode commands. // n_*(): functions called to handle Normal mode commands. // v_*(): functions called to handle Visual mode commands. static char *e_noident = N_("E349: No identifier under cursor"); /// Function to be called for a Normal or Visual mode command. /// The argument is a cmdarg_T. typedef void (*nv_func_T)(cmdarg_T *cap); // Values for cmd_flags. #define NV_NCH 0x01 // may need to get a second char #define NV_NCH_NOP (0x02|NV_NCH) // get second char when no operator pending #define NV_NCH_ALW (0x04|NV_NCH) // always get a second char #define NV_LANG 0x08 // second char needs language adjustment #define NV_SS 0x10 // may start selection #define NV_SSS 0x20 // may start selection with shift modifier #define NV_STS 0x40 // may stop selection without shift modif. #define NV_RL 0x80 // 'rightleft' modifies command #define NV_KEEPREG 0x100 // don't clear regname #define NV_NCW 0x200 // not allowed in command-line window // Generally speaking, every Normal mode command should either clear any // pending operator (with *clearop*()), or set the motion type variable // oap->motion_type. // // When a cursor motion command is made, it is marked as being a character or // line oriented motion. Then, if an operator is in effect, the operation // becomes character or line oriented accordingly. /// This table contains one entry for every Normal or Visual mode command. /// The order doesn't matter, init_normal_cmds() will create a sorted index. /// It is faster when all keys from zero to '~' are present. static const struct nv_cmd { int cmd_char; ///< (first) command character nv_func_T cmd_func; ///< function for this command uint16_t cmd_flags; ///< NV_ flags int16_t cmd_arg; ///< value for ca.arg } nv_cmds[] = { { NUL, nv_error, 0, 0 }, { Ctrl_A, nv_addsub, 0, 0 }, { Ctrl_B, nv_page, NV_STS, BACKWARD }, { Ctrl_C, nv_esc, 0, true }, { Ctrl_D, nv_halfpage, 0, 0 }, { Ctrl_E, nv_scroll_line, 0, true }, { Ctrl_F, nv_page, NV_STS, FORWARD }, { Ctrl_G, nv_ctrlg, 0, 0 }, { Ctrl_H, nv_ctrlh, 0, 0 }, { Ctrl_I, nv_pcmark, 0, 0 }, { NL, nv_down, 0, false }, { Ctrl_K, nv_error, 0, 0 }, { Ctrl_L, nv_clear, 0, 0 }, { CAR, nv_down, 0, true }, { Ctrl_N, nv_down, NV_STS, false }, { Ctrl_O, nv_ctrlo, 0, 0 }, { Ctrl_P, nv_up, NV_STS, false }, { Ctrl_Q, nv_visual, 0, false }, { Ctrl_R, nv_redo_or_register, 0, 0 }, { Ctrl_S, nv_ignore, 0, 0 }, { Ctrl_T, nv_tagpop, NV_NCW, 0 }, { Ctrl_U, nv_halfpage, 0, 0 }, { Ctrl_V, nv_visual, 0, false }, { 'V', nv_visual, 0, false }, { 'v', nv_visual, 0, false }, { Ctrl_W, nv_window, 0, 0 }, { Ctrl_X, nv_addsub, 0, 0 }, { Ctrl_Y, nv_scroll_line, 0, false }, { Ctrl_Z, nv_suspend, 0, 0 }, { ESC, nv_esc, 0, false }, { Ctrl_BSL, nv_normal, NV_NCH_ALW, 0 }, { Ctrl_RSB, nv_ident, NV_NCW, 0 }, { Ctrl_HAT, nv_hat, NV_NCW, 0 }, { Ctrl__, nv_error, 0, 0 }, { ' ', nv_right, 0, 0 }, { '!', nv_operator, 0, 0 }, { '"', nv_regname, NV_NCH_NOP|NV_KEEPREG, 0 }, { '#', nv_ident, 0, 0 }, { '$', nv_dollar, 0, 0 }, { '%', nv_percent, 0, 0 }, { '&', nv_optrans, 0, 0 }, { '\'', nv_gomark, NV_NCH_ALW, true }, { '(', nv_brace, 0, BACKWARD }, { ')', nv_brace, 0, FORWARD }, { '*', nv_ident, 0, 0 }, { '+', nv_down, 0, true }, { ',', nv_csearch, 0, true }, { '-', nv_up, 0, true }, { '.', nv_dot, NV_KEEPREG, 0 }, { '/', nv_search, 0, false }, { '0', nv_beginline, 0, 0 }, { '1', nv_ignore, 0, 0 }, { '2', nv_ignore, 0, 0 }, { '3', nv_ignore, 0, 0 }, { '4', nv_ignore, 0, 0 }, { '5', nv_ignore, 0, 0 }, { '6', nv_ignore, 0, 0 }, { '7', nv_ignore, 0, 0 }, { '8', nv_ignore, 0, 0 }, { '9', nv_ignore, 0, 0 }, { ':', nv_colon, 0, 0 }, { ';', nv_csearch, 0, false }, { '<', nv_operator, NV_RL, 0 }, { '=', nv_operator, 0, 0 }, { '>', nv_operator, NV_RL, 0 }, { '?', nv_search, 0, false }, { '@', nv_at, NV_NCH_NOP, false }, { 'A', nv_edit, 0, 0 }, { 'B', nv_bck_word, 0, 1 }, { 'C', nv_abbrev, NV_KEEPREG, 0 }, { 'D', nv_abbrev, NV_KEEPREG, 0 }, { 'E', nv_wordcmd, 0, true }, { 'F', nv_csearch, NV_NCH_ALW|NV_LANG, BACKWARD }, { 'G', nv_goto, 0, true }, { 'H', nv_scroll, 0, 0 }, { 'I', nv_edit, 0, 0 }, { 'J', nv_join, 0, 0 }, { 'K', nv_ident, 0, 0 }, { 'L', nv_scroll, 0, 0 }, { 'M', nv_scroll, 0, 0 }, { 'N', nv_next, 0, SEARCH_REV }, { 'O', nv_open, 0, 0 }, { 'P', nv_put, 0, 0 }, { 'Q', nv_regreplay, 0, 0 }, { 'R', nv_Replace, 0, false }, { 'S', nv_subst, NV_KEEPREG, 0 }, { 'T', nv_csearch, NV_NCH_ALW|NV_LANG, BACKWARD }, { 'U', nv_Undo, 0, 0 }, { 'W', nv_wordcmd, 0, true }, { 'X', nv_abbrev, NV_KEEPREG, 0 }, { 'Y', nv_abbrev, NV_KEEPREG, 0 }, { 'Z', nv_Zet, NV_NCH_NOP|NV_NCW, 0 }, { '[', nv_brackets, NV_NCH_ALW, BACKWARD }, { '\\', nv_error, 0, 0 }, { ']', nv_brackets, NV_NCH_ALW, FORWARD }, { '^', nv_beginline, 0, BL_WHITE | BL_FIX }, { '_', nv_lineop, 0, 0 }, { '`', nv_gomark, NV_NCH_ALW, false }, { 'a', nv_edit, NV_NCH, 0 }, { 'b', nv_bck_word, 0, 0 }, { 'c', nv_operator, 0, 0 }, { 'd', nv_operator, 0, 0 }, { 'e', nv_wordcmd, 0, false }, { 'f', nv_csearch, NV_NCH_ALW|NV_LANG, FORWARD }, { 'g', nv_g_cmd, NV_NCH_ALW, false }, { 'h', nv_left, NV_RL, 0 }, { 'i', nv_edit, NV_NCH, 0 }, { 'j', nv_down, 0, false }, { 'k', nv_up, 0, false }, { 'l', nv_right, NV_RL, 0 }, { 'm', nv_mark, NV_NCH_NOP, 0 }, { 'n', nv_next, 0, 0 }, { 'o', nv_open, 0, 0 }, { 'p', nv_put, 0, 0 }, { 'q', nv_record, NV_NCH, 0 }, { 'r', nv_replace, NV_NCH_NOP|NV_LANG, 0 }, { 's', nv_subst, NV_KEEPREG, 0 }, { 't', nv_csearch, NV_NCH_ALW|NV_LANG, FORWARD }, { 'u', nv_undo, 0, 0 }, { 'w', nv_wordcmd, 0, false }, { 'x', nv_abbrev, NV_KEEPREG, 0 }, { 'y', nv_operator, 0, 0 }, { 'z', nv_zet, NV_NCH_ALW, 0 }, { '{', nv_findpar, 0, BACKWARD }, { '|', nv_pipe, 0, 0 }, { '}', nv_findpar, 0, FORWARD }, { '~', nv_tilde, 0, 0 }, // pound sign { POUND, nv_ident, 0, 0 }, { K_MOUSEUP, nv_mousescroll, 0, MSCR_UP }, { K_MOUSEDOWN, nv_mousescroll, 0, MSCR_DOWN }, { K_MOUSELEFT, nv_mousescroll, 0, MSCR_LEFT }, { K_MOUSERIGHT, nv_mousescroll, 0, MSCR_RIGHT }, { K_LEFTMOUSE, nv_mouse, 0, 0 }, { K_LEFTMOUSE_NM, nv_mouse, 0, 0 }, { K_LEFTDRAG, nv_mouse, 0, 0 }, { K_LEFTRELEASE, nv_mouse, 0, 0 }, { K_LEFTRELEASE_NM, nv_mouse, 0, 0 }, { K_MOUSEMOVE, nv_mouse, 0, 0 }, { K_MIDDLEMOUSE, nv_mouse, 0, 0 }, { K_MIDDLEDRAG, nv_mouse, 0, 0 }, { K_MIDDLERELEASE, nv_mouse, 0, 0 }, { K_RIGHTMOUSE, nv_mouse, 0, 0 }, { K_RIGHTDRAG, nv_mouse, 0, 0 }, { K_RIGHTRELEASE, nv_mouse, 0, 0 }, { K_X1MOUSE, nv_mouse, 0, 0 }, { K_X1DRAG, nv_mouse, 0, 0 }, { K_X1RELEASE, nv_mouse, 0, 0 }, { K_X2MOUSE, nv_mouse, 0, 0 }, { K_X2DRAG, nv_mouse, 0, 0 }, { K_X2RELEASE, nv_mouse, 0, 0 }, { K_IGNORE, nv_ignore, NV_KEEPREG, 0 }, { K_NOP, nv_nop, 0, 0 }, { K_INS, nv_edit, 0, 0 }, { K_KINS, nv_edit, 0, 0 }, { K_BS, nv_ctrlh, 0, 0 }, { K_UP, nv_up, NV_SSS|NV_STS, false }, { K_S_UP, nv_page, NV_SS, BACKWARD }, { K_DOWN, nv_down, NV_SSS|NV_STS, false }, { K_S_DOWN, nv_page, NV_SS, FORWARD }, { K_LEFT, nv_left, NV_SSS|NV_STS|NV_RL, 0 }, { K_S_LEFT, nv_bck_word, NV_SS|NV_RL, 0 }, { K_C_LEFT, nv_bck_word, NV_SSS|NV_RL|NV_STS, 1 }, { K_RIGHT, nv_right, NV_SSS|NV_STS|NV_RL, 0 }, { K_S_RIGHT, nv_wordcmd, NV_SS|NV_RL, false }, { K_C_RIGHT, nv_wordcmd, NV_SSS|NV_RL|NV_STS, true }, { K_PAGEUP, nv_page, NV_SSS|NV_STS, BACKWARD }, { K_KPAGEUP, nv_page, NV_SSS|NV_STS, BACKWARD }, { K_PAGEDOWN, nv_page, NV_SSS|NV_STS, FORWARD }, { K_KPAGEDOWN, nv_page, NV_SSS|NV_STS, FORWARD }, { K_END, nv_end, NV_SSS|NV_STS, false }, { K_KEND, nv_end, NV_SSS|NV_STS, false }, { K_S_END, nv_end, NV_SS, false }, { K_C_END, nv_end, NV_SSS|NV_STS, true }, { K_HOME, nv_home, NV_SSS|NV_STS, 0 }, { K_KHOME, nv_home, NV_SSS|NV_STS, 0 }, { K_S_HOME, nv_home, NV_SS, 0 }, { K_C_HOME, nv_goto, NV_SSS|NV_STS, false }, { K_DEL, nv_abbrev, 0, 0 }, { K_KDEL, nv_abbrev, 0, 0 }, { K_UNDO, nv_kundo, 0, 0 }, { K_HELP, nv_help, NV_NCW, 0 }, { K_F1, nv_help, NV_NCW, 0 }, { K_XF1, nv_help, NV_NCW, 0 }, { K_SELECT, nv_select, 0, 0 }, { K_EVENT, nv_event, NV_KEEPREG, 0 }, { K_COMMAND, nv_colon, 0, 0 }, { K_LUA, nv_colon, 0, 0 }, }; // Number of commands in nv_cmds[]. #define NV_CMDS_SIZE ARRAY_SIZE(nv_cmds) // Sorted index of commands in nv_cmds[]. static int16_t nv_cmd_idx[NV_CMDS_SIZE]; // The highest index for which // nv_cmds[idx].cmd_char == nv_cmd_idx[nv_cmds[idx].cmd_char] static int nv_max_linear; /// Compare functions for qsort() below, that checks the command character /// through the index in nv_cmd_idx[]. static int nv_compare(const void *s1, const void *s2) { int c1, c2; // The commands are sorted on absolute value. c1 = nv_cmds[*(const int16_t *)s1].cmd_char; c2 = nv_cmds[*(const int16_t *)s2].cmd_char; if (c1 < 0) { c1 = -c1; } if (c2 < 0) { c2 = -c2; } return c1 - c2; } /// Initialize the nv_cmd_idx[] table. void init_normal_cmds(void) { assert(NV_CMDS_SIZE <= SHRT_MAX); // Fill the index table with a one to one relation. for (int16_t i = 0; i < (int16_t)NV_CMDS_SIZE; i++) { nv_cmd_idx[i] = i; } // Sort the commands by the command character. qsort(&nv_cmd_idx, NV_CMDS_SIZE, sizeof(int16_t), nv_compare); // Find the first entry that can't be indexed by the command character. int16_t i; for (i = 0; i < (int16_t)NV_CMDS_SIZE; i++) { if (i != nv_cmds[nv_cmd_idx[i]].cmd_char) { break; } } nv_max_linear = i - 1; } /// Search for a command in the commands table. /// /// @return -1 for invalid command. static int find_command(int cmdchar) { int i; int idx; int top, bot; int c; // A multi-byte character is never a command. if (cmdchar >= 0x100) { return -1; } // We use the absolute value of the character. Special keys have a // negative value, but are sorted on their absolute value. if (cmdchar < 0) { cmdchar = -cmdchar; } // If the character is in the first part: The character is the index into // nv_cmd_idx[]. assert(nv_max_linear < (int)NV_CMDS_SIZE); if (cmdchar <= nv_max_linear) { return nv_cmd_idx[cmdchar]; } // Perform a binary search. bot = nv_max_linear + 1; top = NV_CMDS_SIZE - 1; idx = -1; while (bot <= top) { i = (top + bot) / 2; c = nv_cmds[nv_cmd_idx[i]].cmd_char; if (c < 0) { c = -c; } if (cmdchar == c) { idx = nv_cmd_idx[i]; break; } if (cmdchar > c) { bot = i + 1; } else { top = i - 1; } } return idx; } /// If currently editing a cmdline or text is locked: beep and give an error /// message, return true. static bool check_text_locked(oparg_T *oap) { if (text_locked()) { clearopbeep(oap); text_locked_msg(); return true; } return false; } /// Normal state entry point. This is called on: /// /// - Startup, In this case the function never returns. /// - The command-line window is opened(`q:`). Returns when `cmdwin_result` != 0. /// - The :visual command is called from :global in ex mode, `:global/PAT/visual` /// for example. Returns when re-entering ex mode(because ex mode recursion is /// not allowed) /// /// This used to be called main_loop on main.c void normal_enter(bool cmdwin, bool noexmode) { NormalState state; normal_state_init(&state); state.cmdwin = cmdwin; state.noexmode = noexmode; state.toplevel = (!cmdwin || cmdwin_result == 0) && !noexmode; state_enter(&state.state); } static void normal_prepare(NormalState *s) { CLEAR_FIELD(s->ca); // also resets s->ca.retval s->ca.oap = &s->oa; // Use a count remembered from before entering an operator. After typing "3d" // we return from normal_cmd() and come back here, the "3" is remembered in // "opcount". s->ca.opcount = opcount; // If there is an operator pending, then the command we take this time will // terminate it. Finish_op tells us to finish the operation before returning // this time (unless the operation was cancelled). int c = finish_op; finish_op = (s->oa.op_type != OP_NOP); if (finish_op != c) { ui_cursor_shape(); // may show different cursor shape } may_trigger_modechanged(); // When not finishing an operator and no register name typed, reset the count. if (!finish_op && !s->oa.regname) { s->ca.opcount = 0; s->set_prevcount = true; } // Restore counts from before receiving K_EVENT. This means after // typing "3", handling K_EVENT and then typing "2" we get "32", not // "3 * 2". if (s->oa.prev_opcount > 0 || s->oa.prev_count0 > 0) { s->ca.opcount = s->oa.prev_opcount; s->ca.count0 = s->oa.prev_count0; s->oa.prev_opcount = 0; s->oa.prev_count0 = 0; } s->mapped_len = typebuf_maplen(); State = MODE_NORMAL_BUSY; // Set v:count here, when called from main() and not a stuffed command, so // that v:count can be used in an expression mapping when there is no count. // Do set it for redo if (s->toplevel && readbuf1_empty()) { set_vcount_ca(&s->ca, &s->set_prevcount); } } static bool normal_handle_special_visual_command(NormalState *s) { // when 'keymodel' contains "stopsel" may stop Select/Visual mode if (km_stopsel && (nv_cmds[s->idx].cmd_flags & NV_STS) && !(mod_mask & MOD_MASK_SHIFT)) { end_visual_mode(); redraw_curbuf_later(UPD_INVERTED); } // Keys that work different when 'keymodel' contains "startsel" if (km_startsel) { if (nv_cmds[s->idx].cmd_flags & NV_SS) { unshift_special(&s->ca); s->idx = find_command(s->ca.cmdchar); if (s->idx < 0) { // Just in case clearopbeep(&s->oa); return true; } } else if ((nv_cmds[s->idx].cmd_flags & NV_SSS) && (mod_mask & MOD_MASK_SHIFT)) { mod_mask &= ~MOD_MASK_SHIFT; } } return false; } static bool normal_need_additional_char(NormalState *s) { int flags = nv_cmds[s->idx].cmd_flags; bool pending_op = s->oa.op_type != OP_NOP; int cmdchar = s->ca.cmdchar; // without NV_NCH we never need to check for an additional char return flags & NV_NCH && ( // NV_NCH_NOP is set and no operator is pending, get a second char ((flags & NV_NCH_NOP) == NV_NCH_NOP && !pending_op) // NV_NCH_ALW is set, always get a second char || (flags & NV_NCH_ALW) == NV_NCH_ALW // 'q' without a pending operator, recording or executing a register, // needs to be followed by a second char, examples: // - qc => record using register c // - q: => open command-line window || (cmdchar == 'q' && !pending_op && reg_recording == 0 && reg_executing == 0) // 'a' or 'i' after an operator is a text object, examples: // - ciw => change inside word // - da( => delete parenthesis and everything inside. // Also, don't do anything when these keys are received in visual mode // so just get another char. // // TODO(tarruda): Visual state needs to be refactored into a // separate state that "inherits" from normal state. || ((cmdchar == 'a' || cmdchar == 'i') && (pending_op || VIsual_active))); } static bool normal_need_redraw_mode_message(NormalState *s) { // In Visual mode and with "^O" in Insert mode, a short message will be // overwritten by the mode message. Wait a bit, until a key is hit. // In Visual mode, it's more important to keep the Visual area updated // than keeping a message (e.g. from a /pat search). // Only do this if the command was typed, not from a mapping. // Don't wait when emsg_silent is non-zero. // Also wait a bit after an error message, e.g. for "^O:". // Don't redraw the screen, it would remove the message. return ( // 'showmode' is set and messages can be printed ((p_smd && msg_silent == 0 // must restart insert mode(ctrl+o or ctrl+l) or we just entered visual // mode && (restart_edit != 0 || (VIsual_active && s->old_pos.lnum == curwin->w_cursor.lnum && s->old_pos.col == curwin->w_cursor.col)) // command-line must be cleared or redrawn && (clear_cmdline || redraw_cmdline) // some message was printed or scrolled && (msg_didout || (msg_didany && msg_scroll)) // it is fine to remove the current message && !msg_nowait // the command was the result of direct user input and not a mapping && KeyTyped) // must restart insert mode, not in visual mode and error message is // being shown || (restart_edit != 0 && !VIsual_active && msg_scroll && emsg_on_display)) // no register was used && s->oa.regname == 0 && !(s->ca.retval & CA_COMMAND_BUSY) && stuff_empty() && typebuf_typed() && emsg_silent == 0 && !did_wait_return && s->oa.op_type == OP_NOP); } static void normal_redraw_mode_message(NormalState *s) { int save_State = State; // Draw the cursor with the right shape here if (restart_edit != 0) { State = MODE_INSERT; } // If need to redraw, and there is a "keep_msg", redraw before the // delay if (must_redraw && keep_msg != NULL && !emsg_on_display) { char *kmsg; kmsg = keep_msg; keep_msg = NULL; // Showmode() will clear keep_msg, but we want to use it anyway. // First update w_topline. setcursor(); update_screen(); // now reset it, otherwise it's put in the history again keep_msg = kmsg; kmsg = xstrdup(keep_msg); msg_attr((const char *)kmsg, keep_msg_attr); xfree(kmsg); } setcursor(); ui_cursor_shape(); // show different cursor shape ui_flush(); if (msg_scroll || emsg_on_display) { os_delay(1003L, true); // wait at least one second } os_delay(3003L, false); // wait up to three seconds State = save_State; msg_scroll = false; emsg_on_display = false; } // TODO(tarruda): Split into a "normal pending" state that can handle K_EVENT static void normal_get_additional_char(NormalState *s) { int *cp; bool repl = false; // get character for replace mode bool lit = false; // get extra character literally bool langmap_active = false; // using :lmap mappings int lang; // getting a text character no_mapping++; allow_keys++; // no mapping for nchar, but allow key codes // Don't generate a CursorHold event here, most commands can't handle // it, e.g., nv_replace(), nv_csearch(). did_cursorhold = true; if (s->ca.cmdchar == 'g') { // For 'g' get the next character now, so that we can check for // "gr", "g'" and "g`". s->ca.nchar = plain_vgetc(); LANGMAP_ADJUST(s->ca.nchar, true); s->need_flushbuf |= add_to_showcmd(s->ca.nchar); if (s->ca.nchar == 'r' || s->ca.nchar == '\'' || s->ca.nchar == '`' || s->ca.nchar == Ctrl_BSL) { cp = &s->ca.extra_char; // need to get a third character if (s->ca.nchar != 'r') { lit = true; // get it literally } else { repl = true; // get it in replace mode } } else { cp = NULL; // no third character needed } } else { if (s->ca.cmdchar == 'r') { // get it in replace mode repl = true; } cp = &s->ca.nchar; } lang = (repl || (nv_cmds[s->idx].cmd_flags & NV_LANG)); // Get a second or third character. if (cp != NULL) { if (repl) { State = MODE_REPLACE; // pretend Replace mode ui_cursor_shape(); // show different cursor shape } if (lang && curbuf->b_p_iminsert == B_IMODE_LMAP) { // Allow mappings defined with ":lmap". no_mapping--; allow_keys--; if (repl) { State = MODE_LREPLACE; } else { State = MODE_LANGMAP; } langmap_active = true; } *cp = plain_vgetc(); if (langmap_active) { // Undo the decrement done above no_mapping++; allow_keys++; } State = MODE_NORMAL_BUSY; s->need_flushbuf |= add_to_showcmd(*cp); if (!lit) { // Typing CTRL-K gets a digraph. if (*cp == Ctrl_K && ((nv_cmds[s->idx].cmd_flags & NV_LANG) || cp == &s->ca.extra_char) && vim_strchr(p_cpo, CPO_DIGRAPH) == NULL) { s->c = get_digraph(false); if (s->c > 0) { *cp = s->c; // Guessing how to update showcmd here... del_from_showcmd(3); s->need_flushbuf |= add_to_showcmd(*cp); } } // adjust chars > 127, except after "tTfFr" commands LANGMAP_ADJUST(*cp, !lang); // adjust Hebrew mapped char if (p_hkmap && lang && KeyTyped) { *cp = hkmap(*cp); } } // When the next character is CTRL-\ a following CTRL-N means the // command is aborted and we go to Normal mode. if (cp == &s->ca.extra_char && s->ca.nchar == Ctrl_BSL && (s->ca.extra_char == Ctrl_N || s->ca.extra_char == Ctrl_G)) { s->ca.cmdchar = Ctrl_BSL; s->ca.nchar = s->ca.extra_char; s->idx = find_command(s->ca.cmdchar); } else if ((s->ca.nchar == 'n' || s->ca.nchar == 'N') && s->ca.cmdchar == 'g') { s->ca.oap->op_type = get_op_type(*cp, NUL); } else if (*cp == Ctrl_BSL) { long towait = (p_ttm >= 0 ? p_ttm : p_tm); // There is a busy wait here when typing "f" and then // something different from CTRL-N. Can't be avoided. while ((s->c = vpeekc()) <= 0 && towait > 0L) { do_sleep(towait > 50L ? 50L : towait); towait -= 50L; } if (s->c > 0) { s->c = plain_vgetc(); if (s->c != Ctrl_N && s->c != Ctrl_G) { vungetc(s->c); } else { s->ca.cmdchar = Ctrl_BSL; s->ca.nchar = s->c; s->idx = find_command(s->ca.cmdchar); assert(s->idx >= 0); } } } // When getting a text character and the next character is a // multi-byte character, it could be a composing character. // However, don't wait for it to arrive. Also, do enable mapping, // because if it's put back with vungetc() it's too late to apply // mapping. no_mapping--; while (lang && (s->c = vpeekc()) > 0 && (s->c >= 0x100 || MB_BYTE2LEN(vpeekc()) > 1)) { s->c = plain_vgetc(); if (!utf_iscomposing(s->c)) { vungetc(s->c); // it wasn't, put it back break; } else if (s->ca.ncharC1 == 0) { s->ca.ncharC1 = s->c; } else { s->ca.ncharC2 = s->c; } } no_mapping++; } no_mapping--; allow_keys--; } static void normal_invert_horizontal(NormalState *s) { switch (s->ca.cmdchar) { case 'l': s->ca.cmdchar = 'h'; break; case K_RIGHT: s->ca.cmdchar = K_LEFT; break; case K_S_RIGHT: s->ca.cmdchar = K_S_LEFT; break; case K_C_RIGHT: s->ca.cmdchar = K_C_LEFT; break; case 'h': s->ca.cmdchar = 'l'; break; case K_LEFT: s->ca.cmdchar = K_RIGHT; break; case K_S_LEFT: s->ca.cmdchar = K_S_RIGHT; break; case K_C_LEFT: s->ca.cmdchar = K_C_RIGHT; break; case '>': s->ca.cmdchar = '<'; break; case '<': s->ca.cmdchar = '>'; break; } s->idx = find_command(s->ca.cmdchar); } static bool normal_get_command_count(NormalState *s) { if (VIsual_active && VIsual_select) { return false; } // Handle a count before a command and compute ca.count0. // Note that '0' is a command and not the start of a count, but it's // part of a count after other digits. while ((s->c >= '1' && s->c <= '9') || (s->ca.count0 != 0 && (s->c == K_DEL || s->c == K_KDEL || s->c == '0'))) { if (s->c == K_DEL || s->c == K_KDEL) { s->ca.count0 /= 10; del_from_showcmd(4); // delete the digit and ~@% } else if (s->ca.count0 > 99999999L) { s->ca.count0 = 999999999L; } else { s->ca.count0 = s->ca.count0 * 10 + (s->c - '0'); } // Set v:count here, when called from main() and not a stuffed // command, so that v:count can be used in an expression mapping // right after the count. Do set it for redo. if (s->toplevel && readbuf1_empty()) { set_vcount_ca(&s->ca, &s->set_prevcount); } if (s->ctrl_w) { no_mapping++; allow_keys++; // no mapping for nchar, but keys } no_zero_mapping++; // don't map zero here s->c = plain_vgetc(); LANGMAP_ADJUST(s->c, true); no_zero_mapping--; if (s->ctrl_w) { no_mapping--; allow_keys--; } s->need_flushbuf |= add_to_showcmd(s->c); } // If we got CTRL-W there may be a/another count if (s->c == Ctrl_W && !s->ctrl_w && s->oa.op_type == OP_NOP) { s->ctrl_w = true; s->ca.opcount = s->ca.count0; // remember first count s->ca.count0 = 0; no_mapping++; allow_keys++; // no mapping for nchar, but keys s->c = plain_vgetc(); // get next character LANGMAP_ADJUST(s->c, true); no_mapping--; allow_keys--; s->need_flushbuf |= add_to_showcmd(s->c); return true; } return false; } static void normal_finish_command(NormalState *s) { if (s->command_finished) { goto normal_end; } // If we didn't start or finish an operator, reset oap->regname, unless we // need it later. if (!finish_op && !s->oa.op_type && (s->idx < 0 || !(nv_cmds[s->idx].cmd_flags & NV_KEEPREG))) { clearop(&s->oa); set_reg_var(get_default_register_name()); } // Get the length of mapped chars again after typing a count, second // character or "z333". if (s->old_mapped_len > 0) { s->old_mapped_len = typebuf_maplen(); } // If an operation is pending, handle it. But not for K_IGNORE or // K_MOUSEMOVE. if (s->ca.cmdchar != K_IGNORE && s->ca.cmdchar != K_MOUSEMOVE) { do_pending_operator(&s->ca, s->old_col, false); } // Wait for a moment when a message is displayed that will be overwritten // by the mode message. if (normal_need_redraw_mode_message(s)) { normal_redraw_mode_message(s); } // Finish up after executing a Normal mode command. normal_end: msg_nowait = false; if (finish_op) { set_reg_var(get_default_register_name()); } // Reset finish_op, in case it was set s->c = finish_op; finish_op = false; may_trigger_modechanged(); // Redraw the cursor with another shape, if we were in Operator-pending // mode or did a replace command. if (s->c || s->ca.cmdchar == 'r') { ui_cursor_shape(); // may show different cursor shape } if (s->oa.op_type == OP_NOP && s->oa.regname == 0 && s->ca.cmdchar != K_EVENT) { clear_showcmd(); } checkpcmark(); // check if we moved since setting pcmark xfree(s->ca.searchbuf); mb_check_adjust_col(curwin); // #6203 if (curwin->w_p_scb && s->toplevel) { validate_cursor(); // may need to update w_leftcol do_check_scrollbind(true); } if (curwin->w_p_crb && s->toplevel) { validate_cursor(); // may need to update w_leftcol do_check_cursorbind(); } // May restart edit(), if we got here with CTRL-O in Insert mode (but not // if still inside a mapping that started in Visual mode). // May switch from Visual to Select mode after CTRL-O command. if (s->oa.op_type == OP_NOP && ((restart_edit != 0 && !VIsual_active && s->old_mapped_len == 0) || restart_VIsual_select == 1) && !(s->ca.retval & CA_COMMAND_BUSY) && stuff_empty() && s->oa.regname == 0) { if (restart_VIsual_select == 1) { VIsual_select = true; VIsual_select_reg = 0; may_trigger_modechanged(); showmode(); restart_VIsual_select = 0; } if (restart_edit != 0 && !VIsual_active && s->old_mapped_len == 0) { (void)edit(restart_edit, false, 1L); } } if (restart_VIsual_select == 2) { restart_VIsual_select = 1; } // Save count before an operator for next time opcount = s->ca.opcount; } static int normal_execute(VimState *state, int key) { NormalState *s = (NormalState *)state; s->command_finished = false; s->ctrl_w = false; // got CTRL-W command s->old_col = curwin->w_curswant; s->c = key; LANGMAP_ADJUST(s->c, get_real_state() != MODE_SELECT); // If a mapping was started in Visual or Select mode, remember the length // of the mapping. This is used below to not return to Insert mode for as // long as the mapping is being executed. if (restart_edit == 0) { s->old_mapped_len = 0; } else if (s->old_mapped_len || (VIsual_active && s->mapped_len == 0 && typebuf_maplen() > 0)) { s->old_mapped_len = typebuf_maplen(); } if (s->c == NUL) { s->c = K_ZERO; } // In Select mode, typed text replaces the selection. if (VIsual_active && VIsual_select && (vim_isprintc(s->c) || s->c == NL || s->c == CAR || s->c == K_KENTER)) { // Fake a "c"hange command. // When "restart_edit" is set fake a "d"elete command, Insert mode will restart automatically. // Insert the typed character in the typeahead buffer, so that it can // be mapped in Insert mode. Required for ":lmap" to work. int len = ins_char_typebuf(vgetc_char, vgetc_mod_mask); // When recording and gotchars() was called the character will be // recorded again, remove the previous recording. if (KeyTyped) { ungetchars(len); } if (restart_edit != 0) { s->c = 'd'; } else { s->c = 'c'; } msg_nowait = true; // don't delay going to insert mode s->old_mapped_len = 0; // do go to Insert mode } s->need_flushbuf = add_to_showcmd(s->c); while (normal_get_command_count(s)) {} if (s->c == K_EVENT) { // Save the count values so that ca.opcount and ca.count0 are exactly // the same when coming back here after handling K_EVENT. s->oa.prev_opcount = s->ca.opcount; s->oa.prev_count0 = s->ca.count0; } else if (s->ca.opcount != 0) { // If we're in the middle of an operator (including after entering a // yank buffer with '"') AND we had a count before the operator, then // that count overrides the current value of ca.count0. // What this means effectively, is that commands like "3dw" get turned // into "d3w" which makes things fall into place pretty neatly. // If you give a count before AND after the operator, they are // multiplied. if (s->ca.count0) { if (s->ca.opcount >= 999999999L / s->ca.count0) { s->ca.count0 = 999999999L; } else { s->ca.count0 *= s->ca.opcount; } } else { s->ca.count0 = s->ca.opcount; } } // Always remember the count. It will be set to zero (on the next call, // above) when there is no pending operator. // When called from main(), save the count for use by the "count" built-in // variable. s->ca.opcount = s->ca.count0; s->ca.count1 = (s->ca.count0 == 0 ? 1 : s->ca.count0); // Only set v:count when called from main() and not a stuffed command. // Do set it for redo. if (s->toplevel && readbuf1_empty()) { set_vcount(s->ca.count0, s->ca.count1, s->set_prevcount); } // Find the command character in the table of commands. // For CTRL-W we already got nchar when looking for a count. if (s->ctrl_w) { s->ca.nchar = s->c; s->ca.cmdchar = Ctrl_W; } else { s->ca.cmdchar = s->c; } s->idx = find_command(s->ca.cmdchar); if (s->idx < 0) { // Not a known command: beep. clearopbeep(&s->oa); s->command_finished = true; goto finish; } if ((nv_cmds[s->idx].cmd_flags & NV_NCW) && (check_text_locked(&s->oa) || curbuf_locked())) { // this command is not allowed now s->command_finished = true; goto finish; } // In Visual/Select mode, a few keys are handled in a special way. if (VIsual_active && normal_handle_special_visual_command(s)) { s->command_finished = true; goto finish; } if (curwin->w_p_rl && KeyTyped && !KeyStuffed && (nv_cmds[s->idx].cmd_flags & NV_RL)) { // Invert horizontal movements and operations. Only when typed by the // user directly, not when the result of a mapping or "x" translated // to "dl". normal_invert_horizontal(s); } // Get an additional character if we need one. if (normal_need_additional_char(s)) { normal_get_additional_char(s); } // Flush the showcmd characters onto the screen so we can see them while // the command is being executed. Only do this when the shown command was // actually displayed, otherwise this will slow down a lot when executing // mappings. if (s->need_flushbuf) { ui_flush(); } if (s->ca.cmdchar != K_IGNORE && s->ca.cmdchar != K_EVENT) { did_cursorhold = false; } State = MODE_NORMAL; if (s->ca.nchar == ESC) { clearop(&s->oa); s->command_finished = true; goto finish; } if (s->ca.cmdchar != K_IGNORE) { msg_didout = false; // don't scroll screen up for normal command msg_col = 0; } s->old_pos = curwin->w_cursor; // remember where cursor was // When 'keymodel' contains "startsel" some keys start Select/Visual // mode. if (!VIsual_active && km_startsel) { if (nv_cmds[s->idx].cmd_flags & NV_SS) { start_selection(); unshift_special(&s->ca); s->idx = find_command(s->ca.cmdchar); assert(s->idx >= 0); } else if ((nv_cmds[s->idx].cmd_flags & NV_SSS) && (mod_mask & MOD_MASK_SHIFT)) { start_selection(); mod_mask &= ~MOD_MASK_SHIFT; } } // Execute the command! // Call the command function found in the commands table. s->ca.arg = nv_cmds[s->idx].cmd_arg; (nv_cmds[s->idx].cmd_func)(&s->ca); finish: normal_finish_command(s); return 1; } static void normal_check_stuff_buffer(NormalState *s) { if (stuff_empty()) { did_check_timestamps = false; if (need_check_timestamps) { check_timestamps(false); } if (need_wait_return) { // if wait_return still needed call it now wait_return(false); } } } static void normal_check_interrupt(NormalState *s) { // Reset "got_int" now that we got back to the main loop. Except when // inside a ":g/pat/cmd" command, then the "got_int" needs to abort // the ":g" command. // For ":g/pat/vi" we reset "got_int" when used once. When used // a second time we go back to Ex mode and abort the ":g" command. if (got_int) { if (s->noexmode && global_busy && !exmode_active && s->previous_got_int) { // Typed two CTRL-C in a row: go back to ex mode as if "Q" was // used and keep "got_int" set, so that it aborts ":g". exmode_active = true; State = MODE_NORMAL; } else if (!global_busy || !exmode_active) { if (!quit_more) { // flush all buffers (void)vgetc(); } got_int = false; } s->previous_got_int = true; } else { s->previous_got_int = false; } } static void normal_check_window_scrolled(NormalState *s) { if (!finish_op) { // Trigger Scroll if the viewport changed. may_trigger_winscrolled(); } } static void normal_check_cursor_moved(NormalState *s) { // Trigger CursorMoved if the cursor moved. if (!finish_op && has_event(EVENT_CURSORMOVED) && !equalpos(curwin->w_last_cursormoved, curwin->w_cursor)) { apply_autocmds(EVENT_CURSORMOVED, NULL, NULL, false, curbuf); curwin->w_last_cursormoved = curwin->w_cursor; } } static void normal_check_text_changed(NormalState *s) { // Trigger TextChanged if changedtick differs. if (!finish_op && has_event(EVENT_TEXTCHANGED) && curbuf->b_last_changedtick != buf_get_changedtick(curbuf)) { apply_autocmds(EVENT_TEXTCHANGED, NULL, NULL, false, curbuf); curbuf->b_last_changedtick = buf_get_changedtick(curbuf); } } static void normal_check_buffer_modified(NormalState *s) { // Trigger BufModified if b_modified changed if (!finish_op && has_event(EVENT_BUFMODIFIEDSET) && curbuf->b_changed_invalid == true) { apply_autocmds(EVENT_BUFMODIFIEDSET, NULL, NULL, false, curbuf); curbuf->b_changed_invalid = false; } } static void normal_check_folds(NormalState *s) { // Include a closed fold completely in the Visual area. foldAdjustVisual(); // When 'foldclose' is set, apply 'foldlevel' to folds that don't // contain the cursor. // When 'foldopen' is "all", open the fold(s) under the cursor. // This may mark the window for redrawing. if (hasAnyFolding(curwin) && !char_avail()) { foldCheckClose(); if (fdo_flags & FDO_ALL) { foldOpenCursor(); } } } static void normal_redraw(NormalState *s) { // Before redrawing, make sure w_topline is correct, and w_leftcol // if lines don't wrap, and w_skipcol if lines wrap. update_topline(curwin); validate_cursor(); if (VIsual_active) { redraw_curbuf_later(UPD_INVERTED); // update inverted part update_screen(); } else if (must_redraw) { update_screen(); } else if (redraw_cmdline || clear_cmdline || redraw_mode) { showmode(); } redraw_statuslines(); if (need_maketitle) { maketitle(); } curbuf->b_last_used = time(NULL); // Display message after redraw. If an external message is still visible, // it contains the kept message already. if (keep_msg != NULL && !msg_ext_is_visible()) { char *const p = xstrdup(keep_msg); // msg_start() will set keep_msg to NULL, make a copy // first. Don't reset keep_msg, msg_attr_keep() uses it to // check for duplicates. Never put this message in // history. msg_hist_off = true; msg_attr((const char *)p, keep_msg_attr); msg_hist_off = false; xfree(p); } // show fileinfo after redraw if (need_fileinfo && !shortmess(SHM_FILEINFO)) { fileinfo(false, true, false); need_fileinfo = false; } emsg_on_display = false; // can delete error message now did_emsg = false; msg_didany = false; // reset lines_left in msg_start() may_clear_sb_text(); // clear scroll-back text on next msg show_cursor_info(false); setcursor(); } /// Function executed before each iteration of normal mode. /// /// @return: /// 1 if the iteration should continue normally /// -1 if the iteration should be skipped /// 0 if the main loop must exit static int normal_check(VimState *state) { NormalState *s = (NormalState *)state; normal_check_stuff_buffer(s); normal_check_interrupt(s); if (!exmode_active) { msg_scroll = false; } quit_more = false; // If skip redraw is set (for ":" in wait_return()), don't redraw now. // If there is nothing in the stuff_buffer or do_redraw is true, // update cursor and redraw. if (skip_redraw || exmode_active) { skip_redraw = false; } else if (do_redraw || stuff_empty()) { // Ensure curwin->w_topline and curwin->w_leftcol are up to date // before triggering a WinScrolled autocommand. update_topline(curwin); validate_cursor(); normal_check_cursor_moved(s); normal_check_text_changed(s); normal_check_window_scrolled(s); normal_check_buffer_modified(s); // Updating diffs from changed() does not always work properly, // esp. updating folds. Do an update just before redrawing if // needed. if (curtab->tp_diff_update || curtab->tp_diff_invalid) { ex_diffupdate(NULL); curtab->tp_diff_update = false; } // Scroll-binding for diff mode may have been postponed until // here. Avoids doing it for every change. if (diff_need_scrollbind) { check_scrollbind((linenr_T)0, 0L); diff_need_scrollbind = false; } normal_check_folds(s); normal_redraw(s); do_redraw = false; // Now that we have drawn the first screen all the startup stuff // has been done, close any file for startup messages. if (time_fd != NULL) { TIME_MSG("first screen update"); TIME_MSG("--- NVIM STARTED ---"); fclose(time_fd); time_fd = NULL; } } // May perform garbage collection when waiting for a character, but // only at the very toplevel. Otherwise we may be using a List or // Dict internally somewhere. // "may_garbage_collect" is reset in vgetc() which is invoked through // do_exmode() and normal_cmd(). may_garbage_collect = !s->cmdwin && !s->noexmode; // Update w_curswant if w_set_curswant has been set. // Postponed until here to avoid computing w_virtcol too often. update_curswant(); if (exmode_active) { if (s->noexmode) { return 0; } do_exmode(); return -1; } if (s->cmdwin && cmdwin_result != 0) { // command-line window and cmdwin_result is set return 0; } normal_prepare(s); return 1; } /// Set v:count and v:count1 according to "cap". /// Set v:prevcount only when "set_prevcount" is true. static void set_vcount_ca(cmdarg_T *cap, bool *set_prevcount) { long count = cap->count0; // multiply with cap->opcount the same way as above if (cap->opcount != 0) { count = cap->opcount * (count == 0 ? 1 : count); } set_vcount(count, count == 0 ? 1 : count, *set_prevcount); *set_prevcount = false; // only set v:prevcount once } /// Move the current tab to tab in same column as mouse or to end of the /// tabline if there is no tab there. static void move_tab_to_mouse(void) { int tabnr = tab_page_click_defs[mouse_col].tabnr; if (tabnr <= 0) { tabpage_move(9999); } else if (tabnr < tabpage_index(curtab)) { tabpage_move(tabnr - 1); } else { tabpage_move(tabnr); } } /// Call click definition function for column "col" in the "click_defs" array for button /// "which_button". static void call_click_def_func(StlClickDefinition *click_defs, int col, int which_button) { typval_T argv[] = { { .v_lock = VAR_FIXED, .v_type = VAR_NUMBER, .vval = { .v_number = (varnumber_T)click_defs[col].tabnr }, }, { .v_lock = VAR_FIXED, .v_type = VAR_NUMBER, .vval = { .v_number = ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_4CLICK ? 4 : ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_3CLICK ? 3 : ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK ? 2 : 1))) }, }, { .v_lock = VAR_FIXED, .v_type = VAR_STRING, .vval = { .v_string = (which_button == MOUSE_LEFT ? "l" : (which_button == MOUSE_RIGHT ? "r" : (which_button == MOUSE_MIDDLE ? "m" : "?"))) }, }, { .v_lock = VAR_FIXED, .v_type = VAR_STRING, .vval = { .v_string = (char[]) { (char)(mod_mask & MOD_MASK_SHIFT ? 's' : ' '), (char)(mod_mask & MOD_MASK_CTRL ? 'c' : ' '), (char)(mod_mask & MOD_MASK_ALT ? 'a' : ' '), (char)(mod_mask & MOD_MASK_META ? 'm' : ' '), NUL } }, } }; typval_T rettv; (void)call_vim_function(click_defs[col].func, ARRAY_SIZE(argv), argv, &rettv); tv_clear(&rettv); } /// Do the appropriate action for the current mouse click in the current mode. /// Not used for Command-line mode. /// /// Normal and Visual Mode: /// event modi- position visual change action /// fier cursor window /// left press - yes end yes /// left press C yes end yes "^]" (2) /// left press S yes end (popup: extend) yes "*" (2) /// left drag - yes start if moved no /// left relse - yes start if moved no /// middle press - yes if not active no put register /// middle press - yes if active no yank and put /// right press - yes start or extend yes /// right press S yes no change yes "#" (2) /// right drag - yes extend no /// right relse - yes extend no /// /// Insert or Replace Mode: /// event modi- position visual change action /// fier cursor window /// left press - yes (cannot be active) yes /// left press C yes (cannot be active) yes "CTRL-O^]" (2) /// left press S yes (cannot be active) yes "CTRL-O*" (2) /// left drag - yes start or extend (1) no CTRL-O (1) /// left relse - yes start or extend (1) no CTRL-O (1) /// middle press - no (cannot be active) no put register /// right press - yes start or extend yes CTRL-O /// right press S yes (cannot be active) yes "CTRL-O#" (2) /// /// (1) only if mouse pointer moved since press /// (2) only if click is in same buffer /// /// @param oap operator argument, can be NULL /// @param c K_LEFTMOUSE, etc /// @param dir Direction to 'put' if necessary /// @param fixindent PUT_FIXINDENT if fixing indent necessary /// /// @return true if start_arrow() should be called for edit mode. bool do_mouse(oparg_T *oap, int c, int dir, long count, bool fixindent) { static bool got_click = false; // got a click some time back int which_button; // MOUSE_LEFT, _MIDDLE or _RIGHT bool is_click; // If false it's a drag or release event bool is_drag; // If true it's a drag event int jump_flags = 0; // flags for jump_to_mouse() pos_T start_visual; bool moved; // Has cursor moved? bool in_winbar; // mouse in window bar bool in_status_line; // mouse in status line static bool in_tab_line = false; // mouse clicked in tab line bool in_sep_line; // mouse in vertical separator line int c1, c2; pos_T save_cursor; win_T *old_curwin = curwin; static pos_T orig_cursor; colnr_T leftcol, rightcol; pos_T end_visual; long diff; int old_active = VIsual_active; int old_mode = VIsual_mode; int regname; save_cursor = curwin->w_cursor; for (;;) { which_button = get_mouse_button(KEY2TERMCAP1(c), &is_click, &is_drag); if (is_drag) { // If the next character is the same mouse event then use that // one. Speeds up dragging the status line. // Note: Since characters added to the stuff buffer in the code // below need to come before the next character, do not do this // when the current character was stuffed. if (!KeyStuffed && vpeekc() != NUL) { int nc; int save_mouse_grid = mouse_grid; int save_mouse_row = mouse_row; int save_mouse_col = mouse_col; // Need to get the character, peeking doesn't get the actual one. nc = safe_vgetc(); if (c == nc) { continue; } vungetc(nc); mouse_grid = save_mouse_grid; mouse_row = save_mouse_row; mouse_col = save_mouse_col; } } break; } if (c == K_MOUSEMOVE) { // Mouse moved without a button pressed. return false; } // Ignore drag and release events if we didn't get a click. if (is_click) { got_click = true; } else { if (!got_click) { // didn't get click, ignore return false; } if (!is_drag) { // release, reset got_click got_click = false; if (in_tab_line) { in_tab_line = false; return false; } } } // CTRL right mouse button does CTRL-T if (is_click && (mod_mask & MOD_MASK_CTRL) && which_button == MOUSE_RIGHT) { if (State & MODE_INSERT) { stuffcharReadbuff(Ctrl_O); } if (count > 1) { stuffnumReadbuff(count); } stuffcharReadbuff(Ctrl_T); got_click = false; // ignore drag&release now return false; } // CTRL only works with left mouse button if ((mod_mask & MOD_MASK_CTRL) && which_button != MOUSE_LEFT) { return false; } // When a modifier is down, ignore drag and release events, as well as // multiple clicks and the middle mouse button. // Accept shift-leftmouse drags when 'mousemodel' is "popup.*". if ((mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL | MOD_MASK_ALT | MOD_MASK_META)) && (!is_click || (mod_mask & MOD_MASK_MULTI_CLICK) || which_button == MOUSE_MIDDLE) && !((mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT)) && mouse_model_popup() && which_button == MOUSE_LEFT) && !((mod_mask & MOD_MASK_ALT) && !mouse_model_popup() && which_button == MOUSE_RIGHT)) { return false; } // If the button press was used as the movement command for an operator (eg // "d"), or it is the middle button that is held down, ignore // drag/release events. if (!is_click && which_button == MOUSE_MIDDLE) { return false; } if (oap != NULL) { regname = oap->regname; } else { regname = 0; } // Middle mouse button does a 'put' of the selected text if (which_button == MOUSE_MIDDLE) { if (State == MODE_NORMAL) { // If an operator was pending, we don't know what the user wanted to do. // Go back to normal mode: Clear the operator and beep(). if (oap != NULL && oap->op_type != OP_NOP) { clearopbeep(oap); return false; } // If visual was active, yank the highlighted text and put it // before the mouse pointer position. // In Select mode replace the highlighted text with the clipboard. if (VIsual_active) { if (VIsual_select) { stuffcharReadbuff(Ctrl_G); stuffReadbuff("\"+p"); } else { stuffcharReadbuff('y'); stuffcharReadbuff(K_MIDDLEMOUSE); } return false; } // The rest is below jump_to_mouse() } else if ((State & MODE_INSERT) == 0) { return false; } // Middle click in insert mode doesn't move the mouse, just insert the // contents of a register. '.' register is special, can't insert that // with do_put(). // Also paste at the cursor if the current mode isn't in 'mouse' (only // happens for the GUI). if ((State & MODE_INSERT)) { if (regname == '.') { insert_reg(regname, true); } else { if (regname == 0 && eval_has_provider("clipboard")) { regname = '*'; } if ((State & REPLACE_FLAG) && !yank_register_mline(regname)) { insert_reg(regname, true); } else { do_put(regname, NULL, BACKWARD, 1L, (fixindent ? PUT_FIXINDENT : 0) | PUT_CURSEND); // Repeat it with CTRL-R CTRL-O r or CTRL-R CTRL-P r AppendCharToRedobuff(Ctrl_R); AppendCharToRedobuff(fixindent ? Ctrl_P : Ctrl_O); AppendCharToRedobuff(regname == 0 ? '"' : regname); } } return false; } } // When dragging or button-up stay in the same window. if (!is_click) { jump_flags |= MOUSE_FOCUS | MOUSE_DID_MOVE; } start_visual.lnum = 0; // Check for clicking in the tab page line. if (mouse_grid <= 1 && mouse_row == 0 && firstwin->w_winrow > 0) { if (is_drag) { if (in_tab_line) { move_tab_to_mouse(); } return false; } // click in a tab selects that tab page if (is_click && cmdwin_type == 0 && mouse_col < Columns) { in_tab_line = true; c1 = tab_page_click_defs[mouse_col].tabnr; switch (tab_page_click_defs[mouse_col].type) { case kStlClickDisabled: break; case kStlClickTabClose: { tabpage_T *tp; // Close the current or specified tab page. if (c1 == 999) { tp = curtab; } else { tp = find_tabpage(c1); } if (tp == curtab) { if (first_tabpage->tp_next != NULL) { tabpage_close(false); } } else if (tp != NULL) { tabpage_close_other(tp, false); } break; } case kStlClickTabSwitch: if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK) { // double click opens new page end_visual_mode(); tabpage_new(); tabpage_move(c1 == 0 ? 9999 : c1 - 1); } else { // Go to specified tab page, or next one if not clicking // on a label. goto_tabpage(c1); // It's like clicking on the status line of a window. if (curwin != old_curwin) { end_visual_mode(); } } break; case kStlClickFuncRun: call_click_def_func(tab_page_click_defs, mouse_col, which_button); break; } } return true; } else if (is_drag && in_tab_line) { move_tab_to_mouse(); return false; } // When 'mousemodel' is "popup" or "popup_setpos", translate mouse events: // right button up -> pop-up menu // shift-left button -> right button // alt-left button -> alt-right button if (mouse_model_popup()) { if (which_button == MOUSE_RIGHT && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))) { if (!is_click) { // Ignore right button release events, only shows the popup // menu on the button down event. return false; } jump_flags = 0; if (strcmp(p_mousem, "popup_setpos") == 0) { // First set the cursor position before showing the popup // menu. if (VIsual_active) { pos_T m_pos; // set MOUSE_MAY_STOP_VIS if we are outside the // selection or the current window (might have false // negative here) if (mouse_row < curwin->w_winrow || mouse_row > (curwin->w_winrow + curwin->w_height)) { jump_flags = MOUSE_MAY_STOP_VIS; } else if (get_fpos_of_mouse(&m_pos) != IN_BUFFER) { jump_flags = MOUSE_MAY_STOP_VIS; } else { if ((lt(curwin->w_cursor, VIsual) && (lt(m_pos, curwin->w_cursor) || lt(VIsual, m_pos))) || (lt(VIsual, curwin->w_cursor) && (lt(m_pos, VIsual) || lt(curwin->w_cursor, m_pos)))) { jump_flags = MOUSE_MAY_STOP_VIS; } else if (VIsual_mode == Ctrl_V) { getvcols(curwin, &curwin->w_cursor, &VIsual, &leftcol, &rightcol); getvcol(curwin, &m_pos, NULL, &m_pos.col, NULL); if (m_pos.col < leftcol || m_pos.col > rightcol) { jump_flags = MOUSE_MAY_STOP_VIS; } } } } else { jump_flags = MOUSE_MAY_STOP_VIS; } } if (jump_flags) { jump_flags = jump_to_mouse(jump_flags, NULL, which_button); redraw_curbuf_later(VIsual_active ? UPD_INVERTED : UPD_VALID); update_screen(); setcursor(); ui_flush(); // Update before showing popup menu } show_popupmenu(); got_click = false; // ignore release events return (jump_flags & CURSOR_MOVED) != 0; } if (which_button == MOUSE_LEFT && (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT))) { which_button = MOUSE_RIGHT; mod_mask &= ~MOD_MASK_SHIFT; } } if ((State & (MODE_NORMAL | MODE_INSERT)) && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))) { if (which_button == MOUSE_LEFT) { if (is_click) { // stop Visual mode for a left click in a window, but not when on a status line if (VIsual_active) { jump_flags |= MOUSE_MAY_STOP_VIS; } } else { jump_flags |= MOUSE_MAY_VIS; } } else if (which_button == MOUSE_RIGHT) { if (is_click && VIsual_active) { // Remember the start and end of visual before moving the cursor. if (lt(curwin->w_cursor, VIsual)) { start_visual = curwin->w_cursor; end_visual = VIsual; } else { start_visual = VIsual; end_visual = curwin->w_cursor; } } jump_flags |= MOUSE_FOCUS; jump_flags |= MOUSE_MAY_VIS; } } // If an operator is pending, ignore all drags and releases until the next mouse click. if (!is_drag && oap != NULL && oap->op_type != OP_NOP) { got_click = false; oap->motion_type = kMTCharWise; } // When releasing the button let jump_to_mouse() know. if (!is_click && !is_drag) { jump_flags |= MOUSE_RELEASED; } // JUMP! jump_flags = jump_to_mouse(jump_flags, oap == NULL ? NULL : &(oap->inclusive), which_button); moved = (jump_flags & CURSOR_MOVED); in_winbar = (jump_flags & MOUSE_WINBAR); in_status_line = (jump_flags & IN_STATUS_LINE); in_sep_line = (jump_flags & IN_SEP_LINE); if ((in_winbar || in_status_line) && is_click) { // Handle click event on window bar or status lin int click_grid = mouse_grid; int click_row = mouse_row; int click_col = mouse_col; win_T *wp = mouse_find_win(&click_grid, &click_row, &click_col); if (wp == NULL) { return false; } StlClickDefinition *click_defs = in_status_line ? wp->w_status_click_defs : wp->w_winbar_click_defs; if (in_status_line && global_stl_height() > 0) { // global statusline is displayed for the current window, // and spans the whole screen. click_defs = curwin->w_status_click_defs; click_col = mouse_col; } if (click_defs != NULL) { switch (click_defs[click_col].type) { case kStlClickDisabled: break; case kStlClickFuncRun: call_click_def_func(click_defs, click_col, which_button); break; default: assert(false && "winbar and statusline only support %@ for clicks"); break; } } return false; } else if (in_winbar) { // A drag or release event in the window bar has no side effects. return false; } // When jumping to another window, clear a pending operator. That's a bit // friendlier than beeping and not jumping to that window. if (curwin != old_curwin && oap != NULL && oap->op_type != OP_NOP) { clearop(oap); } if (mod_mask == 0 && !is_drag && (jump_flags & (MOUSE_FOLD_CLOSE | MOUSE_FOLD_OPEN)) && which_button == MOUSE_LEFT) { // open or close a fold at this line if (jump_flags & MOUSE_FOLD_OPEN) { openFold(curwin->w_cursor, 1L); } else { closeFold(curwin->w_cursor, 1L); } // don't move the cursor if still in the same window if (curwin == old_curwin) { curwin->w_cursor = save_cursor; } } // Set global flag that we are extending the Visual area with mouse dragging; // temporarily minimize 'scrolloff'. if (VIsual_active && is_drag && get_scrolloff_value(curwin)) { // In the very first line, allow scrolling one line if (mouse_row == 0) { mouse_dragging = 2; } else { mouse_dragging = 1; } } // When dragging the mouse above the window, scroll down. if (is_drag && mouse_row < 0 && !in_status_line) { scroll_redraw(false, 1L); mouse_row = 0; } if (start_visual.lnum) { // right click in visual mode // When ALT is pressed make Visual mode blockwise. if (mod_mask & MOD_MASK_ALT) { VIsual_mode = Ctrl_V; } // In Visual-block mode, divide the area in four, pick up the corner // that is in the quarter that the cursor is in. if (VIsual_mode == Ctrl_V) { getvcols(curwin, &start_visual, &end_visual, &leftcol, &rightcol); if (curwin->w_curswant > (leftcol + rightcol) / 2) { end_visual.col = leftcol; } else { end_visual.col = rightcol; } if (curwin->w_cursor.lnum >= (start_visual.lnum + end_visual.lnum) / 2) { end_visual.lnum = start_visual.lnum; } // move VIsual to the right column start_visual = curwin->w_cursor; // save the cursor pos curwin->w_cursor = end_visual; coladvance(end_visual.col); VIsual = curwin->w_cursor; curwin->w_cursor = start_visual; // restore the cursor } else { // If the click is before the start of visual, change the start. // If the click is after the end of visual, change the end. If // the click is inside the visual, change the closest side. if (lt(curwin->w_cursor, start_visual)) { VIsual = end_visual; } else if (lt(end_visual, curwin->w_cursor)) { VIsual = start_visual; } else { // In the same line, compare column number if (end_visual.lnum == start_visual.lnum) { if (curwin->w_cursor.col - start_visual.col > end_visual.col - curwin->w_cursor.col) { VIsual = start_visual; } else { VIsual = end_visual; } } else { // In different lines, compare line number diff = (curwin->w_cursor.lnum - start_visual.lnum) - (end_visual.lnum - curwin->w_cursor.lnum); if (diff > 0) { // closest to end VIsual = start_visual; } else if (diff < 0) { // closest to start VIsual = end_visual; } else { // in the middle line if (curwin->w_cursor.col < (start_visual.col + end_visual.col) / 2) { VIsual = end_visual; } else { VIsual = start_visual; } } } } } } else if ((State & MODE_INSERT) && VIsual_active) { // If Visual mode started in insert mode, execute "CTRL-O" stuffcharReadbuff(Ctrl_O); } // Middle mouse click: Put text before cursor. if (which_button == MOUSE_MIDDLE) { if (regname == 0 && eval_has_provider("clipboard")) { regname = '*'; } if (yank_register_mline(regname)) { if (mouse_past_bottom) { dir = FORWARD; } } else if (mouse_past_eol) { dir = FORWARD; } if (fixindent) { c1 = (dir == BACKWARD) ? '[' : ']'; c2 = 'p'; } else { c1 = (dir == FORWARD) ? 'p' : 'P'; c2 = NUL; } prep_redo(regname, count, NUL, c1, NUL, c2, NUL); // Remember where the paste started, so in edit() Insstart can be set to this position if (restart_edit != 0) { where_paste_started = curwin->w_cursor; } do_put(regname, NULL, dir, count, (fixindent ? PUT_FIXINDENT : 0)| PUT_CURSEND); } else if (((mod_mask & MOD_MASK_CTRL) || (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK) && bt_quickfix(curbuf)) { // Ctrl-Mouse click or double click in a quickfix window jumps to the // error under the mouse pointer. if (curwin->w_llist_ref == NULL) { // quickfix window do_cmdline_cmd(".cc"); } else { // location list window do_cmdline_cmd(".ll"); } got_click = false; // ignore drag&release now } else if ((mod_mask & MOD_MASK_CTRL) || (curbuf->b_help && (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)) { // Ctrl-Mouse click (or double click in a help window) jumps to the tag // under the mouse pointer. if (State & MODE_INSERT) { stuffcharReadbuff(Ctrl_O); } stuffcharReadbuff(Ctrl_RSB); got_click = false; // ignore drag&release now } else if ((mod_mask & MOD_MASK_SHIFT)) { // Shift-Mouse click searches for the next occurrence of the word under // the mouse pointer if (State & MODE_INSERT || (VIsual_active && VIsual_select)) { stuffcharReadbuff(Ctrl_O); } if (which_button == MOUSE_LEFT) { stuffcharReadbuff('*'); } else { // MOUSE_RIGHT stuffcharReadbuff('#'); } } else if (in_status_line || in_sep_line) { // Do nothing if on status line or vertical separator // Handle double clicks otherwise } else if ((mod_mask & MOD_MASK_MULTI_CLICK) && (State & (MODE_NORMAL | MODE_INSERT))) { if (is_click || !VIsual_active) { if (VIsual_active) { orig_cursor = VIsual; } else { VIsual = curwin->w_cursor; orig_cursor = VIsual; VIsual_active = true; VIsual_reselect = true; // start Select mode if 'selectmode' contains "mouse" may_start_select('o'); setmouse(); } if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK) { // Double click with ALT pressed makes it blockwise. if (mod_mask & MOD_MASK_ALT) { VIsual_mode = Ctrl_V; } else { VIsual_mode = 'v'; } } else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_3CLICK) { VIsual_mode = 'V'; } else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_4CLICK) { VIsual_mode = Ctrl_V; } } // A double click selects a word or a block. if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK) { pos_T *pos = NULL; int gc; if (is_click) { // If the character under the cursor (skipping white space) is // not a word character, try finding a match and select a (), // {}, [], #if/#endif, etc. block. end_visual = curwin->w_cursor; while (gc = gchar_pos(&end_visual), ascii_iswhite(gc)) { inc(&end_visual); } if (oap != NULL) { oap->motion_type = kMTCharWise; } if (oap != NULL && VIsual_mode == 'v' && !vim_iswordc(gchar_pos(&end_visual)) && equalpos(curwin->w_cursor, VIsual) && (pos = findmatch(oap, NUL)) != NULL) { curwin->w_cursor = *pos; if (oap->motion_type == kMTLineWise) { VIsual_mode = 'V'; } else if (*p_sel == 'e') { if (lt(curwin->w_cursor, VIsual)) { VIsual.col++; } else { curwin->w_cursor.col++; } } } } if (pos == NULL && (is_click || is_drag)) { // When not found a match or when dragging: extend to include a word. if (lt(curwin->w_cursor, orig_cursor)) { find_start_of_word(&curwin->w_cursor); find_end_of_word(&VIsual); } else { find_start_of_word(&VIsual); if (*p_sel == 'e' && *get_cursor_pos_ptr() != NUL) { curwin->w_cursor.col += utfc_ptr2len(get_cursor_pos_ptr()); } find_end_of_word(&curwin->w_cursor); } } curwin->w_set_curswant = true; } if (is_click) { redraw_curbuf_later(UPD_INVERTED); // update the inversion } } else if (VIsual_active && !old_active) { if (mod_mask & MOD_MASK_ALT) { VIsual_mode = Ctrl_V; } else { VIsual_mode = 'v'; } } // If Visual mode changed show it later. if ((!VIsual_active && old_active && mode_displayed) || (VIsual_active && p_smd && msg_silent == 0 && (!old_active || VIsual_mode != old_mode))) { redraw_cmdline = true; } return moved; } /// Move "pos" back to the start of the word it's in. static void find_start_of_word(pos_T *pos) { char_u *line; int cclass; int col; line = (char_u *)ml_get(pos->lnum); cclass = get_mouse_class(line + pos->col); while (pos->col > 0) { col = pos->col - 1; col -= utf_head_off((char *)line, (char *)line + col); if (get_mouse_class(line + col) != cclass) { break; } pos->col = col; } } /// Move "pos" forward to the end of the word it's in. /// When 'selection' is "exclusive", the position is just after the word. static void find_end_of_word(pos_T *pos) { char_u *line; int cclass; int col; line = (char_u *)ml_get(pos->lnum); if (*p_sel == 'e' && pos->col > 0) { pos->col--; pos->col -= utf_head_off((char *)line, (char *)line + pos->col); } cclass = get_mouse_class(line + pos->col); while (line[pos->col] != NUL) { col = pos->col + utfc_ptr2len((char *)line + pos->col); if (get_mouse_class(line + col) != cclass) { if (*p_sel == 'e') { pos->col = col; } break; } pos->col = col; } } /// Get class of a character for selection: same class means same word. /// 0: blank /// 1: punctuation groups /// 2: normal word character /// >2: multi-byte word character. static int get_mouse_class(char_u *p) { if (MB_BYTE2LEN(p[0]) > 1) { return mb_get_class(p); } const int c = *p; if (c == ' ' || c == '\t') { return 0; } if (vim_iswordc(c)) { return 2; } // There are a few special cases where we want certain combinations of // characters to be considered as a single word. These are things like // "->", "/ *", "*=", "+=", "&=", "<=", ">=", "!=" etc. Otherwise, each // character is in its own class. if (c != NUL && vim_strchr("-+*/%<>&|^!=", c) != NULL) { return 1; } return c; } /// End Visual mode. /// This function should ALWAYS be called to end Visual mode, except from /// do_pending_operator(). void end_visual_mode(void) { VIsual_active = false; setmouse(); mouse_dragging = 0; // Save the current VIsual area for '< and '> marks, and "gv" curbuf->b_visual.vi_mode = VIsual_mode; curbuf->b_visual.vi_start = VIsual; curbuf->b_visual.vi_end = curwin->w_cursor; curbuf->b_visual.vi_curswant = curwin->w_curswant; curbuf->b_visual_mode_eval = VIsual_mode; if (!virtual_active()) { curwin->w_cursor.coladd = 0; } may_clear_cmdline(); adjust_cursor_eol(); may_trigger_modechanged(); } /// Reset VIsual_active and VIsual_reselect. void reset_VIsual_and_resel(void) { if (VIsual_active) { end_visual_mode(); redraw_curbuf_later(UPD_INVERTED); // delete the inversion later } VIsual_reselect = false; } /// Reset VIsual_active and VIsual_reselect if it's set. void reset_VIsual(void) { if (VIsual_active) { end_visual_mode(); redraw_curbuf_later(UPD_INVERTED); // delete the inversion later VIsual_reselect = false; } } void restore_visual_mode(void) { if (VIsual_mode_orig != NUL) { curbuf->b_visual.vi_mode = VIsual_mode_orig; VIsual_mode_orig = NUL; } } /// Check for a balloon-eval special item to include when searching for an /// identifier. When "dir" is BACKWARD "ptr[-1]" must be valid! /// /// @return true if the character at "*ptr" should be included. /// /// @param dir the direction of searching, is either FORWARD or BACKWARD /// @param *colp is in/decremented if "ptr[-dir]" should also be included. /// @param bnp points to a counter for square brackets. static bool find_is_eval_item(const char_u *const ptr, int *const colp, int *const bnp, const int dir) { // Accept everything inside []. if ((*ptr == ']' && dir == BACKWARD) || (*ptr == '[' && dir == FORWARD)) { *bnp += 1; } if (*bnp > 0) { if ((*ptr == '[' && dir == BACKWARD) || (*ptr == ']' && dir == FORWARD)) { *bnp -= 1; } return true; } // skip over "s.var" if (*ptr == '.') { return true; } // two-character item: s->var if (ptr[dir == BACKWARD ? 0 : 1] == '>' && ptr[dir == BACKWARD ? -1 : 0] == '-') { *colp += dir; return true; } return false; } /// Find the identifier under or to the right of the cursor. /// "find_type" can have one of three values: /// FIND_IDENT: find an identifier (keyword) /// FIND_STRING: find any non-white text /// FIND_IDENT + FIND_STRING: find any non-white text, identifier preferred. /// FIND_EVAL: find text useful for C program debugging /// /// There are three steps: /// 1. Search forward for the start of an identifier/text. Doesn't move if /// already on one. /// 2. Search backward for the start of this identifier/text. /// This doesn't match the real Vi but I like it a little better and it /// shouldn't bother anyone. /// 3. Search forward to the end of this identifier/text. /// When FIND_IDENT isn't defined, we backup until a blank. /// /// @return the length of the text, or zero if no text is found. /// /// If text is found, a pointer to the text is put in "*text". This /// points into the current buffer line and is not always NUL terminated. size_t find_ident_under_cursor(char **text, int find_type) FUNC_ATTR_NONNULL_ARG(1) { return find_ident_at_pos(curwin, curwin->w_cursor.lnum, curwin->w_cursor.col, text, NULL, find_type); } /// Like find_ident_under_cursor(), but for any window and any position. /// However: Uses 'iskeyword' from the current window!. /// /// @param textcol column where "text" starts, can be NULL size_t find_ident_at_pos(win_T *wp, linenr_T lnum, colnr_T startcol, char **text, int *textcol, int find_type) FUNC_ATTR_NONNULL_ARG(1, 4) { int col = 0; // init to shut up GCC int i; int this_class = 0; int prev_class; int prevcol; int bn = 0; // bracket nesting // if i == 0: try to find an identifier // if i == 1: try to find any non-white text char_u *ptr = (char_u *)ml_get_buf(wp->w_buffer, lnum, false); for (i = (find_type & FIND_IDENT) ? 0 : 1; i < 2; i++) { // 1. skip to start of identifier/text col = startcol; while (ptr[col] != NUL) { // Stop at a ']' to evaluate "a[x]". if ((find_type & FIND_EVAL) && ptr[col] == ']') { break; } this_class = mb_get_class(ptr + col); if (this_class != 0 && (i == 1 || this_class != 1)) { break; } col += utfc_ptr2len((char *)ptr + col); } // When starting on a ']' count it, so that we include the '['. bn = ptr[col] == ']'; // // 2. Back up to start of identifier/text. // // Remember class of character under cursor. if ((find_type & FIND_EVAL) && ptr[col] == ']') { this_class = mb_get_class((char_u *)"a"); } else { this_class = mb_get_class(ptr + col); } while (col > 0 && this_class != 0) { prevcol = col - 1 - utf_head_off((char *)ptr, (char *)ptr + col - 1); prev_class = mb_get_class(ptr + prevcol); if (this_class != prev_class && (i == 0 || prev_class == 0 || (find_type & FIND_IDENT)) && (!(find_type & FIND_EVAL) || prevcol == 0 || !find_is_eval_item(ptr + prevcol, &prevcol, &bn, BACKWARD))) { break; } col = prevcol; } // If we don't want just any old text, or we've found an // identifier, stop searching. if (this_class > 2) { this_class = 2; } if (!(find_type & FIND_STRING) || this_class == 2) { break; } } if (ptr[col] == NUL || (i == 0 && this_class != 2)) { // Didn't find an identifier or text. if (find_type & FIND_STRING) { emsg(_("E348: No string under cursor")); } else { emsg(_(e_noident)); } return 0; } ptr += col; *text = (char *)ptr; if (textcol != NULL) { *textcol = col; } // 3. Find the end if the identifier/text. bn = 0; startcol -= col; col = 0; // Search for point of changing multibyte character class. this_class = mb_get_class(ptr); while (ptr[col] != NUL // -V781 && ((i == 0 ? mb_get_class(ptr + col) == this_class : mb_get_class(ptr + col) != 0) || ((find_type & FIND_EVAL) && col <= (int)startcol && find_is_eval_item(ptr + col, &col, &bn, FORWARD)))) { col += utfc_ptr2len((char *)ptr + col); } assert(col >= 0); return (size_t)col; } /// Prepare for redo of a normal command. static void prep_redo_cmd(cmdarg_T *cap) { prep_redo(cap->oap->regname, cap->count0, NUL, cap->cmdchar, NUL, NUL, cap->nchar); } /// Prepare for redo of any command. /// Note that only the last argument can be a multi-byte char. void prep_redo(int regname, long num, int cmd1, int cmd2, int cmd3, int cmd4, int cmd5) { prep_redo_num2(regname, num, cmd1, cmd2, 0L, cmd3, cmd4, cmd5); } /// Prepare for redo of any command with extra count after "cmd2". void prep_redo_num2(int regname, long num1, int cmd1, int cmd2, long num2, int cmd3, int cmd4, int cmd5) { ResetRedobuff(); if (regname != 0) { // yank from specified buffer AppendCharToRedobuff('"'); AppendCharToRedobuff(regname); } if (num1 != 0) { AppendNumberToRedobuff(num1); } if (cmd1 != NUL) { AppendCharToRedobuff(cmd1); } if (cmd2 != NUL) { AppendCharToRedobuff(cmd2); } if (num2 != 0) { AppendNumberToRedobuff(num2); } if (cmd3 != NUL) { AppendCharToRedobuff(cmd3); } if (cmd4 != NUL) { AppendCharToRedobuff(cmd4); } if (cmd5 != NUL) { AppendCharToRedobuff(cmd5); } } /// check for operator active and clear it /// /// @return true if operator was active static bool checkclearop(oparg_T *oap) { if (oap->op_type == OP_NOP) { return false; } clearopbeep(oap); return true; } /// Check for operator or Visual active. Clear active operator. /// /// @return true if operator or Visual was active. static bool checkclearopq(oparg_T *oap) { if (oap->op_type == OP_NOP && !VIsual_active) { return false; } clearopbeep(oap); return true; } void clearop(oparg_T *oap) { oap->op_type = OP_NOP; oap->regname = 0; oap->motion_force = NUL; oap->use_reg_one = false; motion_force = NUL; } void clearopbeep(oparg_T *oap) { clearop(oap); beep_flush(); } /// Remove the shift modifier from a special key. static void unshift_special(cmdarg_T *cap) { switch (cap->cmdchar) { case K_S_RIGHT: cap->cmdchar = K_RIGHT; break; case K_S_LEFT: cap->cmdchar = K_LEFT; break; case K_S_UP: cap->cmdchar = K_UP; break; case K_S_DOWN: cap->cmdchar = K_DOWN; break; case K_S_HOME: cap->cmdchar = K_HOME; break; case K_S_END: cap->cmdchar = K_END; break; } cap->cmdchar = simplify_key(cap->cmdchar, &mod_mask); } /// If the mode is currently displayed clear the command line or update the /// command displayed. void may_clear_cmdline(void) { if (mode_displayed) { // unshow visual mode later clear_cmdline = true; } else { clear_showcmd(); } } // Routines for displaying a partly typed command #define SHOWCMD_BUFLEN (SHOWCMD_COLS + 1 + 30) static char_u showcmd_buf[SHOWCMD_BUFLEN]; static char_u old_showcmd_buf[SHOWCMD_BUFLEN]; // For push_showcmd() static bool showcmd_is_clear = true; static bool showcmd_visual = false; void clear_showcmd(void) { if (!p_sc) { return; } if (VIsual_active && !char_avail()) { int cursor_bot = lt(VIsual, curwin->w_cursor); long lines; colnr_T leftcol, rightcol; linenr_T top, bot; // Show the size of the Visual area. if (cursor_bot) { top = VIsual.lnum; bot = curwin->w_cursor.lnum; } else { top = curwin->w_cursor.lnum; bot = VIsual.lnum; } // Include closed folds as a whole. (void)hasFolding(top, &top, NULL); (void)hasFolding(bot, NULL, &bot); lines = bot - top + 1; if (VIsual_mode == Ctrl_V) { char *const saved_sbr = p_sbr; char *const saved_w_sbr = curwin->w_p_sbr; // Make 'sbr' empty for a moment to get the correct size. p_sbr = empty_option; curwin->w_p_sbr = empty_option; getvcols(curwin, &curwin->w_cursor, &VIsual, &leftcol, &rightcol); p_sbr = saved_sbr; curwin->w_p_sbr = saved_w_sbr; snprintf((char *)showcmd_buf, SHOWCMD_BUFLEN, "%" PRId64 "x%" PRId64, (int64_t)lines, (int64_t)rightcol - leftcol + 1); } else if (VIsual_mode == 'V' || VIsual.lnum != curwin->w_cursor.lnum) { snprintf((char *)showcmd_buf, SHOWCMD_BUFLEN, "%" PRId64, (int64_t)lines); } else { char_u *s, *e; int l; int bytes = 0; int chars = 0; if (cursor_bot) { s = ml_get_pos(&VIsual); e = (char_u *)get_cursor_pos_ptr(); } else { s = (char_u *)get_cursor_pos_ptr(); e = ml_get_pos(&VIsual); } while ((*p_sel != 'e') ? s <= e : s < e) { l = utfc_ptr2len((char *)s); if (l == 0) { bytes++; chars++; break; // end of line } bytes += l; chars++; s += l; } if (bytes == chars) { sprintf((char *)showcmd_buf, "%d", chars); } else { sprintf((char *)showcmd_buf, "%d-%d", chars, bytes); } } int limit = ui_has(kUIMessages) ? SHOWCMD_BUFLEN - 1 : SHOWCMD_COLS; showcmd_buf[limit] = NUL; // truncate showcmd_visual = true; } else { showcmd_buf[0] = NUL; showcmd_visual = false; // Don't actually display something if there is nothing to clear. if (showcmd_is_clear) { return; } } display_showcmd(); } /// Add 'c' to string of shown command chars. /// /// @return true if output has been written (and setcursor() has been called). bool add_to_showcmd(int c) { static int ignore[] = { K_IGNORE, K_LEFTMOUSE, K_LEFTDRAG, K_LEFTRELEASE, K_MOUSEMOVE, K_MIDDLEMOUSE, K_MIDDLEDRAG, K_MIDDLERELEASE, K_RIGHTMOUSE, K_RIGHTDRAG, K_RIGHTRELEASE, K_MOUSEDOWN, K_MOUSEUP, K_MOUSELEFT, K_MOUSERIGHT, K_X1MOUSE, K_X1DRAG, K_X1RELEASE, K_X2MOUSE, K_X2DRAG, K_X2RELEASE, K_EVENT, 0 }; if (!p_sc || msg_silent != 0) { return false; } if (showcmd_visual) { showcmd_buf[0] = NUL; showcmd_visual = false; } // Ignore keys that are scrollbar updates and mouse clicks if (IS_SPECIAL(c)) { for (int i = 0; ignore[i] != 0; i++) { if (ignore[i] == c) { return false; } } } char *p = (char *)transchar(c); if (*p == ' ') { STRCPY(p, "<20>"); } size_t old_len = STRLEN(showcmd_buf); size_t extra_len = strlen(p); size_t limit = ui_has(kUIMessages) ? SHOWCMD_BUFLEN - 1 : SHOWCMD_COLS; if (old_len + extra_len > limit) { size_t overflow = old_len + extra_len - limit; memmove(showcmd_buf, showcmd_buf + overflow, old_len - overflow + 1); } STRCAT(showcmd_buf, p); if (char_avail()) { return false; } display_showcmd(); return true; } void add_to_showcmd_c(int c) { add_to_showcmd(c); setcursor(); } /// Delete 'len' characters from the end of the shown command. static void del_from_showcmd(int len) { int old_len; if (!p_sc) { return; } old_len = (int)STRLEN(showcmd_buf); if (len > old_len) { len = old_len; } showcmd_buf[old_len - len] = NUL; if (!char_avail()) { display_showcmd(); } } /// push_showcmd() and pop_showcmd() are used when waiting for the user to type /// something and there is a partial mapping. void push_showcmd(void) { if (p_sc) { STRCPY(old_showcmd_buf, showcmd_buf); } } void pop_showcmd(void) { if (!p_sc) { return; } STRCPY(showcmd_buf, old_showcmd_buf); display_showcmd(); } static void display_showcmd(void) { if (p_ch == 0 && !ui_has(kUIMessages)) { // TODO(bfredl): would be nice to show in global statusline, perhaps return; } int len; len = (int)STRLEN(showcmd_buf); showcmd_is_clear = (len == 0); if (ui_has(kUIMessages)) { MAXSIZE_TEMP_ARRAY(content, 1); MAXSIZE_TEMP_ARRAY(chunk, 2); if (len > 0) { // placeholder for future highlight support ADD_C(chunk, INTEGER_OBJ(0)); ADD_C(chunk, STRING_OBJ(cstr_as_string((char *)showcmd_buf))); ADD_C(content, ARRAY_OBJ(chunk)); } ui_call_msg_showcmd(content); return; } msg_grid_validate(); int showcmd_row = Rows - 1; grid_puts_line_start(&msg_grid_adj, showcmd_row); if (!showcmd_is_clear) { grid_puts(&msg_grid_adj, (char *)showcmd_buf, showcmd_row, sc_col, HL_ATTR(HLF_MSG)); } // clear the rest of an old message by outputting up to SHOWCMD_COLS spaces grid_puts(&msg_grid_adj, (char *)" " + len, showcmd_row, sc_col + len, HL_ATTR(HLF_MSG)); grid_puts_line_flush(false); } /// When "check" is false, prepare for commands that scroll the window. /// When "check" is true, take care of scroll-binding after the window has /// scrolled. Called from normal_cmd() and edit(). void do_check_scrollbind(bool check) { static win_T *old_curwin = NULL; static linenr_T old_topline = 0; static int old_topfill = 0; static buf_T *old_buf = NULL; static colnr_T old_leftcol = 0; if (check && curwin->w_p_scb) { // If a ":syncbind" command was just used, don't scroll, only reset // the values. if (did_syncbind) { did_syncbind = false; } else if (curwin == old_curwin) { // Synchronize other windows, as necessary according to // 'scrollbind'. Don't do this after an ":edit" command, except // when 'diff' is set. if ((curwin->w_buffer == old_buf || curwin->w_p_diff ) && (curwin->w_topline != old_topline || curwin->w_topfill != old_topfill || curwin->w_leftcol != old_leftcol)) { check_scrollbind(curwin->w_topline - old_topline, (long)(curwin->w_leftcol - old_leftcol)); } } else if (vim_strchr(p_sbo, 'j')) { // jump flag set in 'scrollopt' // When switching between windows, make sure that the relative // vertical offset is valid for the new window. The relative // offset is invalid whenever another 'scrollbind' window has // scrolled to a point that would force the current window to // scroll past the beginning or end of its buffer. When the // resync is performed, some of the other 'scrollbind' windows may // need to jump so that the current window's relative position is // visible on-screen. check_scrollbind(curwin->w_topline - (linenr_T)curwin->w_scbind_pos, 0L); } curwin->w_scbind_pos = curwin->w_topline; } old_curwin = curwin; old_topline = curwin->w_topline; old_topfill = curwin->w_topfill; old_buf = curwin->w_buffer; old_leftcol = curwin->w_leftcol; } /// Synchronize any windows that have "scrollbind" set, based on the /// number of rows by which the current window has changed /// (1998-11-02 16:21:01 R. Edward Ralston ) void check_scrollbind(linenr_T topline_diff, long leftcol_diff) { bool want_ver; bool want_hor; win_T *old_curwin = curwin; buf_T *old_curbuf = curbuf; int old_VIsual_select = VIsual_select; int old_VIsual_active = VIsual_active; colnr_T tgt_leftcol = curwin->w_leftcol; long topline; long y; // check 'scrollopt' string for vertical and horizontal scroll options want_ver = (vim_strchr(p_sbo, 'v') && topline_diff != 0); want_ver |= old_curwin->w_p_diff; want_hor = (vim_strchr(p_sbo, 'h') && (leftcol_diff || topline_diff != 0)); // loop through the scrollbound windows and scroll accordingly VIsual_select = VIsual_active = 0; FOR_ALL_WINDOWS_IN_TAB(wp, curtab) { curwin = wp; curbuf = curwin->w_buffer; // skip original window and windows with 'noscrollbind' if (curwin == old_curwin || !curwin->w_p_scb) { continue; } // do the vertical scroll if (want_ver) { if (old_curwin->w_p_diff && curwin->w_p_diff) { diff_set_topline(old_curwin, curwin); } else { curwin->w_scbind_pos += topline_diff; topline = curwin->w_scbind_pos; if (topline > curbuf->b_ml.ml_line_count) { topline = curbuf->b_ml.ml_line_count; } if (topline < 1) { topline = 1; } y = topline - curwin->w_topline; if (y > 0) { scrollup(y, false); } else { scrolldown(-y, false); } } redraw_later(curwin, UPD_VALID); cursor_correct(); curwin->w_redr_status = true; } // do the horizontal scroll if (want_hor && curwin->w_leftcol != tgt_leftcol) { curwin->w_leftcol = tgt_leftcol; leftcol_changed(); } } // reset current-window VIsual_select = old_VIsual_select; VIsual_active = old_VIsual_active; curwin = old_curwin; curbuf = old_curbuf; } /// Command character that's ignored. /// Used for CTRL-Q and CTRL-S to avoid problems with terminals that use /// xon/xoff. static void nv_ignore(cmdarg_T *cap) { cap->retval |= CA_COMMAND_BUSY; // don't call edit() now } /// Command character that doesn't do anything, but unlike nv_ignore() does /// start edit(). Used for "startinsert" executed while starting up. static void nv_nop(cmdarg_T *cap) {} /// Command character doesn't exist. static void nv_error(cmdarg_T *cap) { clearopbeep(cap->oap); } /// and commands. static void nv_help(cmdarg_T *cap) { if (!checkclearopq(cap->oap)) { ex_help(NULL); } } /// CTRL-A and CTRL-X: Add or subtract from letter or number under cursor. static void nv_addsub(cmdarg_T *cap) { if (bt_prompt(curbuf) && !prompt_curpos_editable()) { clearopbeep(cap->oap); } else if (!VIsual_active && cap->oap->op_type == OP_NOP) { prep_redo_cmd(cap); cap->oap->op_type = cap->cmdchar == Ctrl_A ? OP_NR_ADD : OP_NR_SUB; op_addsub(cap->oap, (linenr_T)cap->count1, cap->arg); cap->oap->op_type = OP_NOP; } else if (VIsual_active) { nv_operator(cap); } else { clearop(cap->oap); } } /// CTRL-F, CTRL-B, etc: Scroll page up or down. static void nv_page(cmdarg_T *cap) { if (!checkclearop(cap->oap)) { if (mod_mask & MOD_MASK_CTRL) { // : tab page back; : tab page forward if (cap->arg == BACKWARD) { goto_tabpage(-(int)cap->count1); } else { goto_tabpage((int)cap->count0); } } else { (void)onepage(cap->arg, cap->count1); } } } /// Implementation of "gd" and "gD" command. /// /// @param thisblock 1 for "1gd" and "1gD" static void nv_gd(oparg_T *oap, int nchar, int thisblock) { size_t len; char *ptr; if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0 || !find_decl((char_u *)ptr, len, nchar == 'd', thisblock, SEARCH_START)) { clearopbeep(oap); } else { if ((fdo_flags & FDO_SEARCH) && KeyTyped && oap->op_type == OP_NOP) { foldOpenCursor(); } // clear any search statistics if (messaging() && !msg_silent && !shortmess(SHM_SEARCHCOUNT)) { clear_cmdline = true; } } } /// @return true if line[offset] is not inside a C-style comment or string, /// false otherwise. static bool is_ident(char_u *line, int offset) { bool incomment = false; int instring = 0; int prev = 0; for (int i = 0; i < offset && line[i] != NUL; i++) { if (instring != 0) { if (prev != '\\' && line[i] == instring) { instring = 0; } } else if ((line[i] == '"' || line[i] == '\'') && !incomment) { instring = line[i]; } else { if (incomment) { if (prev == '*' && line[i] == '/') { incomment = false; } } else if (prev == '/' && line[i] == '*') { incomment = true; } else if (prev == '/' && line[i] == '/') { return false; } } prev = line[i]; } return incomment == false && instring == 0; } /// Search for variable declaration of "ptr[len]". /// When "locally" is true in the current function ("gd"), otherwise in the /// current file ("gD"). /// /// @param thisblock when true check the {} block scope. /// @param flags_arg flags passed to searchit() /// /// @return fail when not found. bool find_decl(char_u *ptr, size_t len, bool locally, bool thisblock, int flags_arg) { char_u *pat; pos_T old_pos; pos_T par_pos; pos_T found_pos; bool t; bool save_p_ws; bool save_p_scs; bool retval = true; bool incll; int searchflags = flags_arg; pat = xmalloc(len + 7); // Put "\V" before the pattern to avoid that the special meaning of "." // and "~" causes trouble. assert(len <= INT_MAX); sprintf((char *)pat, vim_iswordp(ptr) ? "\\V\\<%.*s\\>" : "\\V%.*s", (int)len, ptr); old_pos = curwin->w_cursor; save_p_ws = p_ws; save_p_scs = p_scs; p_ws = false; // don't wrap around end of file now p_scs = false; // don't switch ignorecase off now // With "gD" go to line 1. // With "gd" Search back for the start of the current function, then go // back until a blank line. If this fails go to line 1. if (!locally || !findpar(&incll, BACKWARD, 1L, '{', false)) { setpcmark(); // Set in findpar() otherwise curwin->w_cursor.lnum = 1; par_pos = curwin->w_cursor; } else { par_pos = curwin->w_cursor; while (curwin->w_cursor.lnum > 1 && *skipwhite(get_cursor_line_ptr()) != NUL) { curwin->w_cursor.lnum--; } } curwin->w_cursor.col = 0; // Search forward for the identifier, ignore comment lines. clearpos(&found_pos); for (;;) { t = searchit(curwin, curbuf, &curwin->w_cursor, NULL, FORWARD, pat, 1L, searchflags, RE_LAST, NULL); if (curwin->w_cursor.lnum >= old_pos.lnum) { t = false; // match after start is failure too } if (thisblock && t != false) { const int64_t maxtravel = old_pos.lnum - curwin->w_cursor.lnum + 1; const pos_T *pos = findmatchlimit(NULL, '}', FM_FORWARD, maxtravel); // Check that the block the match is in doesn't end before the // position where we started the search from. if (pos != NULL && pos->lnum < old_pos.lnum) { // There can't be a useful match before the end of this block. // Skip to the end curwin->w_cursor = *pos; continue; } } if (t == false) { // If we previously found a valid position, use it. if (found_pos.lnum != 0) { curwin->w_cursor = found_pos; t = true; } break; } if (get_leader_len(get_cursor_line_ptr(), NULL, false, true) > 0) { // Ignore this line, continue at start of next line. curwin->w_cursor.lnum++; curwin->w_cursor.col = 0; continue; } bool valid = is_ident((char_u *)get_cursor_line_ptr(), curwin->w_cursor.col); // If the current position is not a valid identifier and a previous match is // present, favor that one instead. if (!valid && found_pos.lnum != 0) { curwin->w_cursor = found_pos; break; } // global search: use first match found if (valid && !locally) { break; } if (valid && curwin->w_cursor.lnum >= par_pos.lnum) { // If we previously found a valid position, use it. if (found_pos.lnum != 0) { curwin->w_cursor = found_pos; } break; } // For finding a local variable and the match is before the "{" or // inside a comment, continue searching. For K&R style function // declarations this skips the function header without types. if (!valid) { clearpos(&found_pos); } else { found_pos = curwin->w_cursor; } // Remove SEARCH_START from flags to avoid getting stuck at one position. searchflags &= ~SEARCH_START; } if (t == false) { retval = false; curwin->w_cursor = old_pos; } else { curwin->w_set_curswant = true; // "n" searches forward now reset_search_dir(); } xfree(pat); p_ws = save_p_ws; p_scs = save_p_scs; return retval; } /// Move 'dist' lines in direction 'dir', counting lines by *screen* /// lines rather than lines in the file. /// 'dist' must be positive. /// /// @return true if able to move cursor, false otherwise. static bool nv_screengo(oparg_T *oap, int dir, long dist) { int linelen = linetabsize((char_u *)get_cursor_line_ptr()); bool retval = true; bool atend = false; int n; int col_off1; // margin offset for first screen line int col_off2; // margin offset for wrapped screen line int width1; // text width for first screen line int width2; // text width for wrapped screen line oap->motion_type = kMTCharWise; oap->inclusive = (curwin->w_curswant == MAXCOL); col_off1 = curwin_col_off(); col_off2 = col_off1 - curwin_col_off2(); width1 = curwin->w_width_inner - col_off1; width2 = curwin->w_width_inner - col_off2; if (width2 == 0) { width2 = 1; // Avoid divide by zero. } if (curwin->w_width_inner != 0) { // Instead of sticking at the last character of the buffer line we // try to stick in the last column of the screen. if (curwin->w_curswant == MAXCOL) { atend = true; validate_virtcol(); if (width1 <= 0) { curwin->w_curswant = 0; } else { curwin->w_curswant = width1 - 1; if (curwin->w_virtcol > curwin->w_curswant) { curwin->w_curswant += ((curwin->w_virtcol - curwin->w_curswant - 1) / width2 + 1) * width2; } } } else { if (linelen > width1) { n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1; } else { n = width1; } if (curwin->w_curswant >= n) { curwin->w_curswant = n - 1; } } while (dist--) { if (dir == BACKWARD) { if (curwin->w_curswant >= width1 && !hasFolding(curwin->w_cursor.lnum, NULL, NULL)) { // Move back within the line. This can give a negative value // for w_curswant if width1 < width2 (with cpoptions+=n), // which will get clipped to column 0. curwin->w_curswant -= width2; } else { // to previous line // Move to the start of a closed fold. Don't do that when // 'foldopen' contains "all": it will open in a moment. if (!(fdo_flags & FDO_ALL)) { (void)hasFolding(curwin->w_cursor.lnum, &curwin->w_cursor.lnum, NULL); } if (curwin->w_cursor.lnum == 1) { retval = false; break; } curwin->w_cursor.lnum--; linelen = linetabsize((char_u *)get_cursor_line_ptr()); if (linelen > width1) { int w = (((linelen - width1 - 1) / width2) + 1) * width2; assert(curwin->w_curswant <= INT_MAX - w); curwin->w_curswant += w; } } } else { // dir == FORWARD if (linelen > width1) { n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1; } else { n = width1; } if (curwin->w_curswant + width2 < (colnr_T)n && !hasFolding(curwin->w_cursor.lnum, NULL, NULL)) { // move forward within line curwin->w_curswant += width2; } else { // to next line // Move to the end of a closed fold. (void)hasFolding(curwin->w_cursor.lnum, NULL, &curwin->w_cursor.lnum); if (curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count) { retval = false; break; } curwin->w_cursor.lnum++; curwin->w_curswant %= width2; // Check if the cursor has moved below the number display // when width1 < width2 (with cpoptions+=n). Subtract width2 // to get a negative value for w_curswant, which will get // clipped to column 0. if (curwin->w_curswant >= width1) { curwin->w_curswant -= width2; } linelen = linetabsize((char_u *)get_cursor_line_ptr()); } } } } if (virtual_active() && atend) { coladvance(MAXCOL); } else { coladvance(curwin->w_curswant); } if (curwin->w_cursor.col > 0 && curwin->w_p_wrap) { // Check for landing on a character that got split at the end of the // last line. We want to advance a screenline, not end up in the same // screenline or move two screenlines. validate_virtcol(); colnr_T virtcol = curwin->w_virtcol; if (virtcol > (colnr_T)width1 && *get_showbreak_value(curwin) != NUL) { virtcol -= vim_strsize((char *)get_showbreak_value(curwin)); } int c = utf_ptr2char(get_cursor_pos_ptr()); if (dir == FORWARD && virtcol < curwin->w_curswant && (curwin->w_curswant <= (colnr_T)width1) && !vim_isprintc(c) && c > 255) { oneright(); } if (virtcol > curwin->w_curswant && (curwin->w_curswant < (colnr_T)width1 ? (curwin->w_curswant > (colnr_T)width1 / 2) : ((curwin->w_curswant - width1) % width2 > (colnr_T)width2 / 2))) { curwin->w_cursor.col--; } } if (atend) { curwin->w_curswant = MAXCOL; // stick in the last column } return retval; } /// Mouse scroll wheel: Default action is to scroll three lines, or one page /// when Shift or Ctrl is used. /// K_MOUSEUP (cap->arg == 1) or K_MOUSEDOWN (cap->arg == 0) or /// K_MOUSELEFT (cap->arg == -1) or K_MOUSERIGHT (cap->arg == -2) static void nv_mousescroll(cmdarg_T *cap) { win_T *old_curwin = curwin; if (mouse_row >= 0 && mouse_col >= 0) { int grid, row, col; grid = mouse_grid; row = mouse_row; col = mouse_col; // find the window at the pointer coordinates win_T *wp = mouse_find_win(&grid, &row, &col); if (wp == NULL) { return; } curwin = wp; curbuf = curwin->w_buffer; } if (cap->arg == MSCR_UP || cap->arg == MSCR_DOWN) { if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)) { (void)onepage(cap->arg ? FORWARD : BACKWARD, 1L); } else { cap->count1 = p_mousescroll_vert; cap->count0 = p_mousescroll_vert; nv_scroll_line(cap); } } else { mouse_scroll_horiz(cap->arg); } if (curwin != old_curwin && curwin->w_p_cul) { redraw_for_cursorline(curwin); } curwin->w_redr_status = true; curwin = old_curwin; curbuf = curwin->w_buffer; } /// Mouse clicks and drags. static void nv_mouse(cmdarg_T *cap) { (void)do_mouse(cap->oap, cap->cmdchar, BACKWARD, cap->count1, 0); } /// Handle CTRL-E and CTRL-Y commands: scroll a line up or down. /// cap->arg must be true for CTRL-E. static void nv_scroll_line(cmdarg_T *cap) { if (!checkclearop(cap->oap)) { scroll_redraw(cap->arg, cap->count1); } } /// Scroll "count" lines up or down, and redraw. void scroll_redraw(int up, long count) { linenr_T prev_topline = curwin->w_topline; int prev_topfill = curwin->w_topfill; linenr_T prev_lnum = curwin->w_cursor.lnum; bool moved = up ? scrollup(count, true) : scrolldown(count, true); if (get_scrolloff_value(curwin)) { // Adjust the cursor position for 'scrolloff'. Mark w_topline as // valid, otherwise the screen jumps back at the end of the file. cursor_correct(); check_cursor_moved(curwin); curwin->w_valid |= VALID_TOPLINE; // If moved back to where we were, at least move the cursor, otherwise // we get stuck at one position. Don't move the cursor up if the // first line of the buffer is already on the screen while (curwin->w_topline == prev_topline && curwin->w_topfill == prev_topfill) { if (up) { if (curwin->w_cursor.lnum > prev_lnum || cursor_down(1L, false) == false) { break; } } else { if (curwin->w_cursor.lnum < prev_lnum || prev_topline == 1L || cursor_up(1L, false) == false) { break; } } // Mark w_topline as valid, otherwise the screen jumps back at the // end of the file. check_cursor_moved(curwin); curwin->w_valid |= VALID_TOPLINE; } } if (curwin->w_cursor.lnum != prev_lnum) { coladvance(curwin->w_curswant); } if (moved) { curwin->w_viewport_invalid = true; } redraw_later(curwin, UPD_VALID); } /// Get the count specified after a 'z' command. Only the 'z', 'zl', 'zh', /// 'z', and 'z' commands accept a count after 'z'. /// @return true to process the 'z' command and false to skip it. static bool nv_z_get_count(cmdarg_T *cap, int *nchar_arg) { int nchar = *nchar_arg; // "z123{nchar}": edit the count before obtaining {nchar} if (checkclearop(cap->oap)) { return false; } long n = nchar - '0'; for (;;) { no_mapping++; allow_keys++; // no mapping for nchar, but allow key codes nchar = plain_vgetc(); LANGMAP_ADJUST(nchar, true); no_mapping--; allow_keys--; (void)add_to_showcmd(nchar); if (nchar == K_DEL || nchar == K_KDEL) { n /= 10; } else if (ascii_isdigit(nchar)) { n = n * 10 + (nchar - '0'); } else if (nchar == CAR) { win_setheight((int)n); break; } else if (nchar == 'l' || nchar == 'h' || nchar == K_LEFT || nchar == K_RIGHT) { cap->count1 = n ? n * cap->count1 : cap->count1; *nchar_arg = nchar; return true; } else { clearopbeep(cap->oap); break; } } cap->oap->op_type = OP_NOP; return false; } /// "zug" and "zuw": undo "zg" and "zw" /// "zg": add good word to word list /// "zw": add wrong word to word list /// "zG": add good word to temp word list /// "zW": add wrong word to temp word list static int nv_zg_zw(cmdarg_T *cap, int nchar) { bool undo = false; if (nchar == 'u') { no_mapping++; allow_keys++; // no mapping for nchar, but allow key codes nchar = plain_vgetc(); LANGMAP_ADJUST(nchar, true); no_mapping--; allow_keys--; (void)add_to_showcmd(nchar); if (vim_strchr("gGwW", nchar) == NULL) { clearopbeep(cap->oap); return OK; } undo = true; } if (checkclearop(cap->oap)) { return OK; } char *ptr = NULL; size_t len; if (VIsual_active && !get_visual_text(cap, &ptr, &len)) { return FAIL; } if (ptr == NULL) { pos_T pos = curwin->w_cursor; // Find bad word under the cursor. When 'spell' is // off this fails and find_ident_under_cursor() is // used below. emsg_off++; len = spell_move_to(curwin, FORWARD, true, true, NULL); emsg_off--; if (len != 0 && curwin->w_cursor.col <= pos.col) { ptr = (char *)ml_get_pos(&curwin->w_cursor); } curwin->w_cursor = pos; } if (ptr == NULL && (len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0) { return FAIL; } assert(len <= INT_MAX); spell_add_word((char_u *)ptr, (int)len, nchar == 'w' || nchar == 'W' ? SPELL_ADD_BAD : SPELL_ADD_GOOD, (nchar == 'G' || nchar == 'W') ? 0 : (int)cap->count1, undo); return OK; } /// Commands that start with "z". static void nv_zet(cmdarg_T *cap) { int n; colnr_T col; int nchar = cap->nchar; long old_fdl = curwin->w_p_fdl; int old_fen = curwin->w_p_fen; int l_p_siso = (int)get_sidescrolloff_value(curwin); if (ascii_isdigit(nchar) && !nv_z_get_count(cap, &nchar)) { return; } // "zf" and "zF" are always an operator, "zd", "zo", "zO", "zc" // and "zC" only in Visual mode. "zj" and "zk" are motion // commands. if (cap->nchar != 'f' && cap->nchar != 'F' && !(VIsual_active && vim_strchr("dcCoO", cap->nchar)) && cap->nchar != 'j' && cap->nchar != 'k' && checkclearop(cap->oap)) { return; } // For "z+", "z", "zt", "z.", "zz", "z^", "z-", "zb": // If line number given, set cursor. if ((vim_strchr("+\r\nt.z^-b", nchar) != NULL) && cap->count0 && cap->count0 != curwin->w_cursor.lnum) { setpcmark(); if (cap->count0 > curbuf->b_ml.ml_line_count) { curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; } else { curwin->w_cursor.lnum = (linenr_T)cap->count0; } check_cursor_col(); } switch (nchar) { // "z+", "z" and "zt": put cursor at top of screen case '+': if (cap->count0 == 0) { // No count given: put cursor at the line below screen validate_botline(curwin); // make sure w_botline is valid if (curwin->w_botline > curbuf->b_ml.ml_line_count) { curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; } else { curwin->w_cursor.lnum = curwin->w_botline; } } FALLTHROUGH; case NL: case CAR: case K_KENTER: beginline(BL_WHITE | BL_FIX); FALLTHROUGH; case 't': scroll_cursor_top(0, true); redraw_later(curwin, UPD_VALID); set_fraction(curwin); break; // "z." and "zz": put cursor in middle of screen case '.': beginline(BL_WHITE | BL_FIX); FALLTHROUGH; case 'z': scroll_cursor_halfway(true); redraw_later(curwin, UPD_VALID); set_fraction(curwin); break; // "z^", "z-" and "zb": put cursor at bottom of screen case '^': // Strange Vi behavior: z^ finds line at top of window // when is at bottom of window, and puts that one at // bottom of window. if (cap->count0 != 0) { scroll_cursor_bot(0, true); curwin->w_cursor.lnum = curwin->w_topline; } else if (curwin->w_topline == 1) { curwin->w_cursor.lnum = 1; } else { curwin->w_cursor.lnum = curwin->w_topline - 1; } FALLTHROUGH; case '-': beginline(BL_WHITE | BL_FIX); FALLTHROUGH; case 'b': scroll_cursor_bot(0, true); redraw_later(curwin, UPD_VALID); set_fraction(curwin); break; // "zH" - scroll screen right half-page case 'H': cap->count1 *= curwin->w_width_inner / 2; FALLTHROUGH; // "zh" - scroll screen to the right case 'h': case K_LEFT: if (!curwin->w_p_wrap) { if ((colnr_T)cap->count1 > curwin->w_leftcol) { curwin->w_leftcol = 0; } else { curwin->w_leftcol -= (colnr_T)cap->count1; } leftcol_changed(); } break; // "zL" - scroll screen left half-page case 'L': cap->count1 *= curwin->w_width_inner / 2; FALLTHROUGH; // "zl" - scroll screen to the left case 'l': case K_RIGHT: if (!curwin->w_p_wrap) { // scroll the window left curwin->w_leftcol += (colnr_T)cap->count1; leftcol_changed(); } break; // "zs" - scroll screen, cursor at the start case 's': if (!curwin->w_p_wrap) { if (hasFolding(curwin->w_cursor.lnum, NULL, NULL)) { col = 0; // like the cursor is in col 0 } else { getvcol(curwin, &curwin->w_cursor, &col, NULL, NULL); } if (col > l_p_siso) { col -= l_p_siso; } else { col = 0; } if (curwin->w_leftcol != col) { curwin->w_leftcol = col; redraw_later(curwin, UPD_NOT_VALID); } } break; // "ze" - scroll screen, cursor at the end case 'e': if (!curwin->w_p_wrap) { if (hasFolding(curwin->w_cursor.lnum, NULL, NULL)) { col = 0; // like the cursor is in col 0 } else { getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col); } n = curwin->w_width_inner - curwin_col_off(); if (col + l_p_siso < n) { col = 0; } else { col = col + l_p_siso - n + 1; } if (curwin->w_leftcol != col) { curwin->w_leftcol = col; redraw_later(curwin, UPD_NOT_VALID); } } break; // "zp", "zP" in block mode put without addind trailing spaces case 'P': case 'p': nv_put(cap); break; // "zy" Yank without trailing spaces case 'y': nv_operator(cap); break; // "zF": create fold command // "zf": create fold operator case 'F': case 'f': if (foldManualAllowed(true)) { cap->nchar = 'f'; nv_operator(cap); curwin->w_p_fen = true; // "zF" is like "zfzf" if (nchar == 'F' && cap->oap->op_type == OP_FOLD) { nv_operator(cap); finish_op = true; } } else { clearopbeep(cap->oap); } break; // "zd": delete fold at cursor // "zD": delete fold at cursor recursively case 'd': case 'D': if (foldManualAllowed(false)) { if (VIsual_active) { nv_operator(cap); } else { deleteFold(curwin, curwin->w_cursor.lnum, curwin->w_cursor.lnum, nchar == 'D', false); } } break; // "zE": erase all folds case 'E': if (foldmethodIsManual(curwin)) { clearFolding(curwin); changed_window_setting(); } else if (foldmethodIsMarker(curwin)) { deleteFold(curwin, (linenr_T)1, curbuf->b_ml.ml_line_count, true, false); } else { emsg(_("E352: Cannot erase folds with current 'foldmethod'")); } break; // "zn": fold none: reset 'foldenable' case 'n': curwin->w_p_fen = false; break; // "zN": fold Normal: set 'foldenable' case 'N': curwin->w_p_fen = true; break; // "zi": invert folding: toggle 'foldenable' case 'i': curwin->w_p_fen = !curwin->w_p_fen; break; // "za": open closed fold or close open fold at cursor case 'a': if (hasFolding(curwin->w_cursor.lnum, NULL, NULL)) { openFold(curwin->w_cursor, cap->count1); } else { closeFold(curwin->w_cursor, cap->count1); curwin->w_p_fen = true; } break; // "zA": open fold at cursor recursively case 'A': if (hasFolding(curwin->w_cursor.lnum, NULL, NULL)) { openFoldRecurse(curwin->w_cursor); } else { closeFoldRecurse(curwin->w_cursor); curwin->w_p_fen = true; } break; // "zo": open fold at cursor or Visual area case 'o': if (VIsual_active) { nv_operator(cap); } else { openFold(curwin->w_cursor, cap->count1); } break; // "zO": open fold recursively case 'O': if (VIsual_active) { nv_operator(cap); } else { openFoldRecurse(curwin->w_cursor); } break; // "zc": close fold at cursor or Visual area case 'c': if (VIsual_active) { nv_operator(cap); } else { closeFold(curwin->w_cursor, cap->count1); } curwin->w_p_fen = true; break; // "zC": close fold recursively case 'C': if (VIsual_active) { nv_operator(cap); } else { closeFoldRecurse(curwin->w_cursor); } curwin->w_p_fen = true; break; // "zv": open folds at the cursor case 'v': foldOpenCursor(); break; // "zx": re-apply 'foldlevel' and open folds at the cursor case 'x': curwin->w_p_fen = true; curwin->w_foldinvalid = true; // recompute folds newFoldLevel(); // update right now foldOpenCursor(); break; // "zX": undo manual opens/closes, re-apply 'foldlevel' case 'X': curwin->w_p_fen = true; curwin->w_foldinvalid = true; // recompute folds old_fdl = -1; // force an update break; // "zm": fold more case 'm': if (curwin->w_p_fdl > 0) { curwin->w_p_fdl -= cap->count1; if (curwin->w_p_fdl < 0) { curwin->w_p_fdl = 0; } } old_fdl = -1; // force an update curwin->w_p_fen = true; break; // "zM": close all folds case 'M': curwin->w_p_fdl = 0; old_fdl = -1; // force an update curwin->w_p_fen = true; break; // "zr": reduce folding case 'r': curwin->w_p_fdl += cap->count1; { int d = getDeepestNesting(curwin); if (curwin->w_p_fdl >= d) { curwin->w_p_fdl = d; } } break; case 'R': // "zR": open all folds curwin->w_p_fdl = getDeepestNesting(curwin); old_fdl = -1; // force an update break; case 'j': // "zj" move to next fold downwards case 'k': // "zk" move to next fold upwards if (foldMoveTo(true, nchar == 'j' ? FORWARD : BACKWARD, cap->count1) == false) { clearopbeep(cap->oap); } break; case 'u': // "zug" and "zuw": undo "zg" and "zw" case 'g': // "zg": add good word to word list case 'w': // "zw": add wrong word to word list case 'G': // "zG": add good word to temp word list case 'W': // "zW": add wrong word to temp word list if (nv_zg_zw(cap, nchar) == FAIL) { return; } break; case '=': // "z=": suggestions for a badly spelled word if (!checkclearop(cap->oap)) { spell_suggest((int)cap->count0); } break; default: clearopbeep(cap->oap); } // Redraw when 'foldenable' changed if (old_fen != curwin->w_p_fen) { if (foldmethodIsDiff(curwin) && curwin->w_p_scb) { // Adjust 'foldenable' in diff-synced windows. FOR_ALL_WINDOWS_IN_TAB(wp, curtab) { if (wp != curwin && foldmethodIsDiff(wp) && wp->w_p_scb) { wp->w_p_fen = curwin->w_p_fen; changed_window_setting_win(wp); } } } changed_window_setting(); } // Redraw when 'foldlevel' changed. if (old_fdl != curwin->w_p_fdl) { newFoldLevel(); } } /// "Q" command. static void nv_regreplay(cmdarg_T *cap) { if (checkclearop(cap->oap)) { return; } while (cap->count1-- && !got_int) { if (do_execreg(reg_recorded, false, false, false) == false) { clearopbeep(cap->oap); break; } line_breakcheck(); } } /// Handle a ":" command and or Lua mappings. static void nv_colon(cmdarg_T *cap) { bool cmd_result; bool is_cmdkey = cap->cmdchar == K_COMMAND; bool is_lua = cap->cmdchar == K_LUA; if (VIsual_active && !is_cmdkey && !is_lua) { nv_operator(cap); } else { if (cap->oap->op_type != OP_NOP) { // Using ":" as a movement is charwise exclusive. cap->oap->motion_type = kMTCharWise; cap->oap->inclusive = false; } else if (cap->count0 && !is_cmdkey && !is_lua) { // translate "count:" into ":.,.+(count - 1)" stuffcharReadbuff('.'); if (cap->count0 > 1) { stuffReadbuff(",.+"); stuffnumReadbuff(cap->count0 - 1L); } } // When typing, don't type below an old message if (KeyTyped) { compute_cmdrow(); } if (is_lua) { cmd_result = map_execute_lua(); } else { // get a command line and execute it cmd_result = do_cmdline(NULL, is_cmdkey ? getcmdkeycmd : getexline, NULL, cap->oap->op_type != OP_NOP ? DOCMD_KEEPLINE : 0); } if (cmd_result == false) { // The Ex command failed, do not execute the operator. clearop(cap->oap); } else if (cap->oap->op_type != OP_NOP && (cap->oap->start.lnum > curbuf->b_ml.ml_line_count || cap->oap->start.col > (colnr_T)strlen(ml_get(cap->oap->start.lnum)) || did_emsg)) { // The start of the operator has become invalid by the Ex command. clearopbeep(cap->oap); } } } /// Handle CTRL-G command. static void nv_ctrlg(cmdarg_T *cap) { if (VIsual_active) { // toggle Selection/Visual mode VIsual_select = !VIsual_select; may_trigger_modechanged(); showmode(); } else if (!checkclearop(cap->oap)) { // print full name if count given or :cd used fileinfo((int)cap->count0, false, true); } } /// Handle CTRL-H command. static void nv_ctrlh(cmdarg_T *cap) { if (VIsual_active && VIsual_select) { cap->cmdchar = 'x'; // BS key behaves like 'x' in Select mode v_visop(cap); } else { nv_left(cap); } } /// CTRL-L: clear screen and redraw. static void nv_clear(cmdarg_T *cap) { if (!checkclearop(cap->oap)) { // Clear all syntax states to force resyncing. syn_stack_free_all(curwin->w_s); FOR_ALL_WINDOWS_IN_TAB(wp, curtab) { wp->w_s->b_syn_slow = false; } redraw_later(curwin, UPD_CLEAR); } } /// CTRL-O: In Select mode: switch to Visual mode for one command. /// Otherwise: Go to older pcmark. static void nv_ctrlo(cmdarg_T *cap) { if (VIsual_active && VIsual_select) { VIsual_select = false; may_trigger_modechanged(); showmode(); restart_VIsual_select = 2; // restart Select mode later } else { cap->count1 = -cap->count1; nv_pcmark(cap); } } /// CTRL-^ command, short for ":e #". Works even when the alternate buffer is /// not named. static void nv_hat(cmdarg_T *cap) { if (!checkclearopq(cap->oap)) { (void)buflist_getfile((int)cap->count0, (linenr_T)0, GETF_SETMARK|GETF_ALT, false); } } /// "Z" commands. static void nv_Zet(cmdarg_T *cap) { if (!checkclearopq(cap->oap)) { switch (cap->nchar) { // "ZZ": equivalent to ":x". case 'Z': do_cmdline_cmd("x"); break; // "ZQ": equivalent to ":q!" (Elvis compatible). case 'Q': do_cmdline_cmd("q!"); break; default: clearopbeep(cap->oap); } } } /// Call nv_ident() as if "c1" was used, with "c2" as next character. void do_nv_ident(int c1, int c2) { oparg_T oa; cmdarg_T ca; clear_oparg(&oa); CLEAR_FIELD(ca); ca.oap = &oa; ca.cmdchar = c1; ca.nchar = c2; nv_ident(&ca); } /// 'K' normal-mode command. Get the command to lookup the keyword under the /// cursor. static size_t nv_K_getcmd(cmdarg_T *cap, char *kp, bool kp_help, bool kp_ex, char **ptr_arg, size_t n, char *buf, size_t buf_size) { if (kp_help) { // in the help buffer STRCPY(buf, "he! "); return n; } if (kp_ex) { // 'keywordprg' is an ex command if (cap->count0 != 0) { // Send the count to the ex command. snprintf(buf, buf_size, "%" PRId64, (int64_t)(cap->count0)); } STRCAT(buf, kp); STRCAT(buf, " "); return n; } char *ptr = *ptr_arg; // An external command will probably use an argument starting // with "-" as an option. To avoid trouble we skip the "-". while (*ptr == '-' && n > 0) { ptr++; n--; } if (n == 0) { // found dashes only emsg(_(e_noident)); xfree(buf); *ptr_arg = ptr; return 0; } // When a count is given, turn it into a range. Is this // really what we want? bool isman = (strcmp(kp, "man") == 0); bool isman_s = (strcmp(kp, "man -s") == 0); if (cap->count0 != 0 && !(isman || isman_s)) { snprintf(buf, buf_size, ".,.+%" PRId64, (int64_t)(cap->count0 - 1)); } do_cmdline_cmd("tabnew"); STRCAT(buf, "terminal "); if (cap->count0 == 0 && isman_s) { STRCAT(buf, "man"); } else { STRCAT(buf, kp); } STRCAT(buf, " "); if (cap->count0 != 0 && (isman || isman_s)) { snprintf(buf + strlen(buf), buf_size - strlen(buf), "%" PRId64, (int64_t)cap->count0); STRCAT(buf, " "); } *ptr_arg = ptr; return n; } /// Handle the commands that use the word under the cursor. /// [g] CTRL-] :ta to current identifier /// [g] 'K' run program for current identifier /// [g] '*' / to current identifier or string /// [g] '#' ? to current identifier or string /// g ']' :tselect for current identifier static void nv_ident(cmdarg_T *cap) { char *ptr = NULL; char *p; size_t n = 0; // init for GCC int cmdchar; bool g_cmd; // "g" command bool tag_cmd = false; char *aux_ptr; if (cap->cmdchar == 'g') { // "g*", "g#", "g]" and "gCTRL-]" cmdchar = cap->nchar; g_cmd = true; } else { cmdchar = cap->cmdchar; g_cmd = false; } if (cmdchar == POUND) { // the pound sign, '#' for English keyboards cmdchar = '#'; } // The "]", "CTRL-]" and "K" commands accept an argument in Visual mode. if (cmdchar == ']' || cmdchar == Ctrl_RSB || cmdchar == 'K') { if (VIsual_active && get_visual_text(cap, &ptr, &n) == false) { return; } if (checkclearopq(cap->oap)) { return; } } if (ptr == NULL && (n = find_ident_under_cursor(&ptr, ((cmdchar == '*' || cmdchar == '#') ? FIND_IDENT|FIND_STRING : FIND_IDENT))) == 0) { clearop(cap->oap); return; } // Allocate buffer to put the command in. Inserting backslashes can // double the length of the word. p_kp / curbuf->b_p_kp could be added // and some numbers. char *kp = *curbuf->b_p_kp == NUL ? (char *)p_kp : curbuf->b_p_kp; // 'keywordprg' bool kp_help = (*kp == NUL || strcmp(kp, ":he") == 0 || strcmp(kp, ":help") == 0); if (kp_help && *skipwhite(ptr) == NUL) { emsg(_(e_noident)); // found white space only return; } bool kp_ex = (*kp == ':'); // 'keywordprg' is an ex command size_t buf_size = n * 2 + 30 + strlen(kp); char *buf = xmalloc(buf_size); buf[0] = NUL; switch (cmdchar) { case '*': case '#': // Put cursor at start of word, makes search skip the word // under the cursor. // Call setpcmark() first, so "*``" puts the cursor back where // it was. setpcmark(); curwin->w_cursor.col = (colnr_T)(ptr - get_cursor_line_ptr()); if (!g_cmd && vim_iswordp((char_u *)ptr)) { STRCPY(buf, "\\<"); } no_smartcase = true; // don't use 'smartcase' now break; case 'K': n = nv_K_getcmd(cap, kp, kp_help, kp_ex, &ptr, n, buf, buf_size); if (n == 0) { return; } break; case ']': tag_cmd = true; if (p_cst) { STRCPY(buf, "cstag "); } else { STRCPY(buf, "ts "); } break; default: tag_cmd = true; if (curbuf->b_help) { STRCPY(buf, "he! "); } else { if (g_cmd) { STRCPY(buf, "tj "); } else { snprintf(buf, buf_size, "%" PRId64 "ta ", (int64_t)cap->count0); } } } // Now grab the chars in the identifier if (cmdchar == 'K' && !kp_help) { ptr = xstrnsave(ptr, n); if (kp_ex) { // Escape the argument properly for an Ex command p = vim_strsave_fnameescape((const char *)ptr, VSE_NONE); } else { // Escape the argument properly for a shell command p = (char *)vim_strsave_shellescape((char_u *)ptr, true, true); } xfree(ptr); char *newbuf = xrealloc(buf, strlen(buf) + strlen(p) + 1); buf = newbuf; STRCAT(buf, p); xfree(p); } else { if (cmdchar == '*') { aux_ptr = (p_magic ? "/.*~[^$\\" : "/^$\\"); } else if (cmdchar == '#') { aux_ptr = (p_magic ? "/?.*~[^$\\" : "/?^$\\"); } else if (tag_cmd) { if (curbuf->b_help) { // ":help" handles unescaped argument aux_ptr = ""; } else { aux_ptr = "\\|\"\n["; } } else { aux_ptr = "\\|\"\n*?["; } p = buf + STRLEN(buf); while (n-- > 0) { // put a backslash before \ and some others if (vim_strchr(aux_ptr, *ptr) != NULL) { *p++ = '\\'; } // When current byte is a part of multibyte character, copy all // bytes of that character. const size_t len = (size_t)(utfc_ptr2len(ptr) - 1); for (size_t i = 0; i < len && n > 0; i++, n--) { *p++ = *ptr++; } *p++ = *ptr++; } *p = NUL; } // Execute the command. if (cmdchar == '*' || cmdchar == '#') { if (!g_cmd && vim_iswordp(mb_prevptr((char_u *)get_cursor_line_ptr(), (char_u *)ptr))) { STRCAT(buf, "\\>"); } // put pattern in search history init_history(); add_to_history(HIST_SEARCH, buf, true, NUL); (void)normal_search(cap, cmdchar == '*' ? '/' : '?', buf, 0, NULL); } else { g_tag_at_cursor = true; do_cmdline_cmd(buf); g_tag_at_cursor = false; if (cmdchar == 'K' && !kp_ex && !kp_help) { // Start insert mode in terminal buffer restart_edit = 'i'; add_map("", "bdelete!", MODE_TERMINAL, true); } } xfree(buf); } /// Get visually selected text, within one line only. /// /// @param pp return: start of selected text /// @param lenp return: length of selected text /// /// @return false if more than one line selected. bool get_visual_text(cmdarg_T *cap, char **pp, size_t *lenp) { if (VIsual_mode != 'V') { unadjust_for_sel(); } if (VIsual.lnum != curwin->w_cursor.lnum) { if (cap != NULL) { clearopbeep(cap->oap); } return false; } if (VIsual_mode == 'V') { *pp = get_cursor_line_ptr(); *lenp = strlen(*pp); } else { if (lt(curwin->w_cursor, VIsual)) { *pp = (char *)ml_get_pos(&curwin->w_cursor); *lenp = (size_t)VIsual.col - (size_t)curwin->w_cursor.col + 1; } else { *pp = (char *)ml_get_pos(&VIsual); *lenp = (size_t)curwin->w_cursor.col - (size_t)VIsual.col + 1; } if (**pp == NUL) { *lenp = 0; } if (*lenp > 0) { // Correct the length to include all bytes of the last character. *lenp += (size_t)(utfc_ptr2len(*pp + (*lenp - 1)) - 1); } } reset_VIsual_and_resel(); return true; } /// CTRL-T: backwards in tag stack static void nv_tagpop(cmdarg_T *cap) { if (!checkclearopq(cap->oap)) { do_tag("", DT_POP, (int)cap->count1, false, true); } } /// Handle scrolling command 'H', 'L' and 'M'. static void nv_scroll(cmdarg_T *cap) { int used = 0; long n; linenr_T lnum; int half; cap->oap->motion_type = kMTLineWise; setpcmark(); if (cap->cmdchar == 'L') { validate_botline(curwin); // make sure curwin->w_botline is valid curwin->w_cursor.lnum = curwin->w_botline - 1; if (cap->count1 - 1 >= curwin->w_cursor.lnum) { curwin->w_cursor.lnum = 1; } else { if (hasAnyFolding(curwin)) { // Count a fold for one screen line. for (n = cap->count1 - 1; n > 0 && curwin->w_cursor.lnum > curwin->w_topline; n--) { (void)hasFolding(curwin->w_cursor.lnum, &curwin->w_cursor.lnum, NULL); curwin->w_cursor.lnum--; } } else { curwin->w_cursor.lnum -= (linenr_T)cap->count1 - 1; } } } else { if (cap->cmdchar == 'M') { // Don't count filler lines above the window. used -= win_get_fill(curwin, curwin->w_topline) - curwin->w_topfill; validate_botline(curwin); // make sure w_empty_rows is valid half = (curwin->w_height_inner - curwin->w_empty_rows + 1) / 2; for (n = 0; curwin->w_topline + n < curbuf->b_ml.ml_line_count; n++) { // Count half the number of filler lines to be "below this // line" and half to be "above the next line". if (n > 0 && used + win_get_fill(curwin, curwin->w_topline + (linenr_T)n) / 2 >= half) { n--; break; } used += plines_win(curwin, curwin->w_topline + (linenr_T)n, true); if (used >= half) { break; } if (hasFolding(curwin->w_topline + (linenr_T)n, NULL, &lnum)) { n = lnum - curwin->w_topline; } } if (n > 0 && used > curwin->w_height_inner) { n--; } } else { // (cap->cmdchar == 'H') n = cap->count1 - 1; if (hasAnyFolding(curwin)) { // Count a fold for one screen line. lnum = curwin->w_topline; while (n-- > 0 && lnum < curwin->w_botline - 1) { (void)hasFolding(lnum, NULL, &lnum); lnum++; } n = lnum - curwin->w_topline; } } curwin->w_cursor.lnum = curwin->w_topline + (linenr_T)n; if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) { curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; } } // Correct for 'so', except when an operator is pending. if (cap->oap->op_type == OP_NOP) { cursor_correct(); } beginline(BL_SOL | BL_FIX); } /// Cursor right commands. static void nv_right(cmdarg_T *cap) { long n; if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)) { // and move a word or WORD right if (mod_mask & MOD_MASK_CTRL) { cap->arg = true; } nv_wordcmd(cap); return; } cap->oap->motion_type = kMTCharWise; cap->oap->inclusive = false; bool past_line = (VIsual_active && *p_sel != 'o'); // In virtual edit mode, there's no such thing as "past_line", as lines // are (theoretically) infinitely long. if (virtual_active()) { past_line = false; } for (n = cap->count1; n > 0; n--) { if ((!past_line && oneright() == false) || (past_line && *get_cursor_pos_ptr() == NUL)) { // wraps to next line if 'whichwrap' has 's'. // 'l' wraps to next line if 'whichwrap' has 'l'. // CURS_RIGHT wraps to next line if 'whichwrap' has '>'. if (((cap->cmdchar == ' ' && vim_strchr(p_ww, 's') != NULL) || (cap->cmdchar == 'l' && vim_strchr(p_ww, 'l') != NULL) || (cap->cmdchar == K_RIGHT && vim_strchr(p_ww, '>') != NULL)) && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) { // When deleting we also count the NL as a character. // Set cap->oap->inclusive when last char in the line is // included, move to next line after that if (cap->oap->op_type != OP_NOP && !cap->oap->inclusive && !LINEEMPTY(curwin->w_cursor.lnum)) { cap->oap->inclusive = true; } else { curwin->w_cursor.lnum++; curwin->w_cursor.col = 0; curwin->w_cursor.coladd = 0; curwin->w_set_curswant = true; cap->oap->inclusive = false; } continue; } if (cap->oap->op_type == OP_NOP) { // Only beep and flush if not moved at all if (n == cap->count1) { beep_flush(); } } else { if (!LINEEMPTY(curwin->w_cursor.lnum)) { cap->oap->inclusive = true; } } break; } else if (past_line) { curwin->w_set_curswant = true; if (virtual_active()) { oneright(); } else { curwin->w_cursor.col += utfc_ptr2len(get_cursor_pos_ptr()); } } } if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP) { foldOpenCursor(); } } /// Cursor left commands. /// /// @return true when operator end should not be adjusted. static void nv_left(cmdarg_T *cap) { long n; if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)) { // and move a word or WORD left if (mod_mask & MOD_MASK_CTRL) { cap->arg = 1; } nv_bck_word(cap); return; } cap->oap->motion_type = kMTCharWise; cap->oap->inclusive = false; for (n = cap->count1; n > 0; n--) { if (oneleft() == false) { // and wrap to previous line if 'whichwrap' has 'b'. // 'h' wraps to previous line if 'whichwrap' has 'h'. // CURS_LEFT wraps to previous line if 'whichwrap' has '<'. if ((((cap->cmdchar == K_BS || cap->cmdchar == Ctrl_H) && vim_strchr(p_ww, 'b') != NULL) || (cap->cmdchar == 'h' && vim_strchr(p_ww, 'h') != NULL) || (cap->cmdchar == K_LEFT && vim_strchr(p_ww, '<') != NULL)) && curwin->w_cursor.lnum > 1) { curwin->w_cursor.lnum--; coladvance(MAXCOL); curwin->w_set_curswant = true; // When the NL before the first char has to be deleted we // put the cursor on the NUL after the previous line. // This is a very special case, be careful! // Don't adjust op_end now, otherwise it won't work. if ((cap->oap->op_type == OP_DELETE || cap->oap->op_type == OP_CHANGE) && !LINEEMPTY(curwin->w_cursor.lnum)) { char_u *cp = (char_u *)get_cursor_pos_ptr(); if (*cp != NUL) { curwin->w_cursor.col += utfc_ptr2len((char *)cp); } cap->retval |= CA_NO_ADJ_OP_END; } continue; } else if (cap->oap->op_type == OP_NOP && n == cap->count1) { // Only beep and flush if not moved at all beep_flush(); } break; } } if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP) { foldOpenCursor(); } } /// Cursor up commands. /// cap->arg is true for "-": Move cursor to first non-blank. static void nv_up(cmdarg_T *cap) { if (mod_mask & MOD_MASK_SHIFT) { // is page up cap->arg = BACKWARD; nv_page(cap); } else { cap->oap->motion_type = kMTLineWise; if (cursor_up(cap->count1, cap->oap->op_type == OP_NOP) == false) { clearopbeep(cap->oap); } else if (cap->arg) { beginline(BL_WHITE | BL_FIX); } } } /// Cursor down commands. /// cap->arg is true for CR and "+": Move cursor to first non-blank. static void nv_down(cmdarg_T *cap) { if (mod_mask & MOD_MASK_SHIFT) { // is page down cap->arg = FORWARD; nv_page(cap); } else if (bt_quickfix(curbuf) && cap->cmdchar == CAR) { // Quickfix window only: view the result under the cursor. qf_view_result(false); } else { // In the cmdline window a executes the command. if (cmdwin_type != 0 && cap->cmdchar == CAR) { cmdwin_result = CAR; } else if (bt_prompt(curbuf) && cap->cmdchar == CAR && curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count) { // In a prompt buffer a in the last line invokes the callback. invoke_prompt_callback(); if (restart_edit == 0) { restart_edit = 'a'; } } else { cap->oap->motion_type = kMTLineWise; if (cursor_down(cap->count1, cap->oap->op_type == OP_NOP) == false) { clearopbeep(cap->oap); } else if (cap->arg) { beginline(BL_WHITE | BL_FIX); } } } } /// Grab the file name under the cursor and edit it. static void nv_gotofile(cmdarg_T *cap) { char_u *ptr; linenr_T lnum = -1; if (check_text_locked(cap->oap)) { return; } if (curbuf_locked()) { clearop(cap->oap); return; } ptr = grab_file_name(cap->count1, &lnum); if (ptr != NULL) { // do autowrite if necessary if (curbufIsChanged() && curbuf->b_nwindows <= 1 && !buf_hide(curbuf)) { (void)autowrite(curbuf, false); } setpcmark(); if (do_ecmd(0, (char *)ptr, NULL, NULL, ECMD_LAST, buf_hide(curbuf) ? ECMD_HIDE : 0, curwin) == OK && cap->nchar == 'F' && lnum >= 0) { curwin->w_cursor.lnum = lnum; check_cursor_lnum(); beginline(BL_SOL | BL_FIX); } xfree(ptr); } else { clearop(cap->oap); } } /// command: to end of current line or last line. static void nv_end(cmdarg_T *cap) { if (cap->arg || (mod_mask & MOD_MASK_CTRL)) { // CTRL-END = goto last line cap->arg = true; nv_goto(cap); cap->count1 = 1; // to end of current line } nv_dollar(cap); } /// Handle the "$" command. static void nv_dollar(cmdarg_T *cap) { cap->oap->motion_type = kMTCharWise; cap->oap->inclusive = true; // In virtual mode when off the edge of a line and an operator // is pending (whew!) keep the cursor where it is. // Otherwise, send it to the end of the line. if (!virtual_active() || gchar_cursor() != NUL || cap->oap->op_type == OP_NOP) { curwin->w_curswant = MAXCOL; // so we stay at the end } if (cursor_down(cap->count1 - 1, cap->oap->op_type == OP_NOP) == false) { clearopbeep(cap->oap); } else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP) { foldOpenCursor(); } } /// Implementation of '?' and '/' commands. /// If cap->arg is true don't set PC mark. static void nv_search(cmdarg_T *cap) { oparg_T *oap = cap->oap; pos_T save_cursor = curwin->w_cursor; if (cap->cmdchar == '?' && cap->oap->op_type == OP_ROT13) { // Translate "g??" to "g?g?" cap->cmdchar = 'g'; cap->nchar = '?'; nv_operator(cap); return; } // When using 'incsearch' the cursor may be moved to set a different search // start position. cap->searchbuf = (char *)getcmdline(cap->cmdchar, cap->count1, 0, true); if (cap->searchbuf == NULL) { clearop(oap); return; } (void)normal_search(cap, cap->cmdchar, cap->searchbuf, (cap->arg || !equalpos(save_cursor, curwin->w_cursor)) ? 0 : SEARCH_MARK, NULL); } /// Handle "N" and "n" commands. /// cap->arg is SEARCH_REV for "N", 0 for "n". static void nv_next(cmdarg_T *cap) { pos_T old = curwin->w_cursor; int wrapped = false; int i = normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg, &wrapped); if (i == 1 && !wrapped && equalpos(old, curwin->w_cursor)) { // Avoid getting stuck on the current cursor position, which can happen when // an offset is given and the cursor is on the last char in the buffer: // Repeat with count + 1. cap->count1 += 1; (void)normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg, NULL); cap->count1 -= 1; } } /// Search for "pat" in direction "dir" ('/' or '?', 0 for repeat). /// Uses only cap->count1 and cap->oap from "cap". /// /// @param opt extra flags for do_search() /// /// @return 0 for failure, 1 for found, 2 for found and line offset added. static int normal_search(cmdarg_T *cap, int dir, char *pat, int opt, int *wrapped) { searchit_arg_T sia; cap->oap->motion_type = kMTCharWise; cap->oap->inclusive = false; cap->oap->use_reg_one = true; curwin->w_set_curswant = true; CLEAR_FIELD(sia); int i = do_search(cap->oap, dir, dir, (char_u *)pat, cap->count1, opt | SEARCH_OPT | SEARCH_ECHO | SEARCH_MSG, &sia); if (wrapped != NULL) { *wrapped = sia.sa_wrapped; } if (i == 0) { clearop(cap->oap); } else { if (i == 2) { cap->oap->motion_type = kMTLineWise; } curwin->w_cursor.coladd = 0; if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped) { foldOpenCursor(); } } // "/$" will put the cursor after the end of the line, may need to // correct that here check_cursor(); return i; } /// Character search commands. /// cap->arg is BACKWARD for 'F' and 'T', FORWARD for 'f' and 't', true for /// ',' and false for ';'. /// cap->nchar is NUL for ',' and ';' (repeat the search) static void nv_csearch(cmdarg_T *cap) { bool t_cmd; if (cap->cmdchar == 't' || cap->cmdchar == 'T') { t_cmd = true; } else { t_cmd = false; } cap->oap->motion_type = kMTCharWise; if (IS_SPECIAL(cap->nchar) || searchc(cap, t_cmd) == false) { clearopbeep(cap->oap); } else { curwin->w_set_curswant = true; // Include a Tab for "tx" and for "dfx". if (gchar_cursor() == TAB && virtual_active() && cap->arg == FORWARD && (t_cmd || cap->oap->op_type != OP_NOP)) { colnr_T scol, ecol; getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol); curwin->w_cursor.coladd = ecol - scol; } else { curwin->w_cursor.coladd = 0; } adjust_for_sel(cap); if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP) { foldOpenCursor(); } } } /// "[{", "[(", "]}" or "])": go to Nth unclosed '{', '(', '}' or ')' /// "[#", "]#": go to start/end of Nth innermost #if..#endif construct. /// "[/", "[*", "]/", "]*": go to Nth comment start/end. /// "[m" or "]m" search for prev/next start of (Java) method. /// "[M" or "]M" search for prev/next end of (Java) method. static void nv_bracket_block(cmdarg_T *cap, const pos_T *old_pos) { pos_T new_pos = { 0, 0, 0 }; pos_T *pos = NULL; // init for GCC pos_T prev_pos; long n; int findc; int c; if (cap->nchar == '*') { cap->nchar = '/'; } prev_pos.lnum = 0; if (cap->nchar == 'm' || cap->nchar == 'M') { if (cap->cmdchar == '[') { findc = '{'; } else { findc = '}'; } n = 9999; } else { findc = cap->nchar; n = cap->count1; } for (; n > 0; n--) { if ((pos = findmatchlimit(cap->oap, findc, (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD, 0)) == NULL) { if (new_pos.lnum == 0) { // nothing found if (cap->nchar != 'm' && cap->nchar != 'M') { clearopbeep(cap->oap); } } else { pos = &new_pos; // use last one found } break; } prev_pos = new_pos; curwin->w_cursor = *pos; new_pos = *pos; } curwin->w_cursor = *old_pos; // Handle "[m", "]m", "[M" and "[M". The findmatchlimit() only // brought us to the match for "[m" and "]M" when inside a method. // Try finding the '{' or '}' we want to be at. // Also repeat for the given count. if (cap->nchar == 'm' || cap->nchar == 'M') { // norm is true for "]M" and "[m" int norm = ((findc == '{') == (cap->nchar == 'm')); n = cap->count1; // found a match: we were inside a method if (prev_pos.lnum != 0) { pos = &prev_pos; curwin->w_cursor = prev_pos; if (norm) { n--; } } else { pos = NULL; } while (n > 0) { for (;;) { if ((findc == '{' ? dec_cursor() : inc_cursor()) < 0) { // if not found anything, that's an error if (pos == NULL) { clearopbeep(cap->oap); } n = 0; break; } c = gchar_cursor(); if (c == '{' || c == '}') { // Must have found end/start of class: use it. // Or found the place to be at. if ((c == findc && norm) || (n == 1 && !norm)) { new_pos = curwin->w_cursor; pos = &new_pos; n = 0; } else if (new_pos.lnum == 0) { // if no match found at all, we started outside of the // class and we're inside now. Just go on. new_pos = curwin->w_cursor; pos = &new_pos; } else if ((pos = findmatchlimit(cap->oap, findc, (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD, 0)) == NULL) { // found start/end of other method: go to match n = 0; } else { curwin->w_cursor = *pos; } break; } } n--; } curwin->w_cursor = *old_pos; if (pos == NULL && new_pos.lnum != 0) { clearopbeep(cap->oap); } } if (pos != NULL) { setpcmark(); curwin->w_cursor = *pos; curwin->w_set_curswant = true; if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP) { foldOpenCursor(); } } } /// "[" and "]" commands. /// cap->arg is BACKWARD for "[" and FORWARD for "]". static void nv_brackets(cmdarg_T *cap) { pos_T old_pos; // cursor position before command int flag; long n; cap->oap->motion_type = kMTCharWise; cap->oap->inclusive = false; old_pos = curwin->w_cursor; curwin->w_cursor.coladd = 0; // TODO(Unknown): don't do this for an error. // "[f" or "]f" : Edit file under the cursor (same as "gf") if (cap->nchar == 'f') { nv_gotofile(cap); } else if (vim_strchr("iI\011dD\004", cap->nchar) != NULL) { // Find the occurrence(s) of the identifier or define under cursor // in current and included files or jump to the first occurrence. // // search list jump // fwd bwd fwd bwd fwd bwd // identifier "]i" "[i" "]I" "[I" "]^I" "[^I" // define "]d" "[d" "]D" "[D" "]^D" "[^D" char *ptr; size_t len; if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0) { clearop(cap->oap); } else { // Make a copy, if the line was changed it will be freed. ptr = xstrnsave(ptr, len); find_pattern_in_path((char_u *)ptr, 0, len, true, cap->count0 == 0 ? !isupper(cap->nchar) : false, (((cap->nchar & 0xf) == ('d' & 0xf)) ? FIND_DEFINE : FIND_ANY), cap->count1, (isupper(cap->nchar) ? ACTION_SHOW_ALL : islower(cap->nchar) ? ACTION_SHOW : ACTION_GOTO), (cap->cmdchar == ']' ? curwin->w_cursor.lnum + 1 : (linenr_T)1), MAXLNUM); xfree(ptr); curwin->w_set_curswant = true; } } else if ((cap->cmdchar == '[' && vim_strchr("{(*/#mM", cap->nchar) != NULL) || (cap->cmdchar == ']' && vim_strchr("})*/#mM", cap->nchar) != NULL)) { // "[{", "[(", "]}" or "])": go to Nth unclosed '{', '(', '}' or ')' // "[#", "]#": go to start/end of Nth innermost #if..#endif construct. // "[/", "[*", "]/", "]*": go to Nth comment start/end. // "[m" or "]m" search for prev/next start of (Java) method. // "[M" or "]M" search for prev/next end of (Java) method. nv_bracket_block(cap, &old_pos); } else if (cap->nchar == '[' || cap->nchar == ']') { // "[[", "[]", "]]" and "][": move to start or end of function if (cap->nchar == cap->cmdchar) { // "]]" or "[[" flag = '{'; } else { flag = '}'; // "][" or "[]" } curwin->w_set_curswant = true; // Imitate strange Vi behaviour: When using "]]" with an operator we also stop at '}'. if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, flag, (cap->oap->op_type != OP_NOP && cap->arg == FORWARD && flag == '{'))) { clearopbeep(cap->oap); } else { if (cap->oap->op_type == OP_NOP) { beginline(BL_WHITE | BL_FIX); } if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP) { foldOpenCursor(); } } } else if (cap->nchar == 'p' || cap->nchar == 'P') { // "[p", "[P", "]P" and "]p": put with indent adjustment nv_put_opt(cap, true); } else if (cap->nchar == '\'' || cap->nchar == '`') { // "['", "[`", "]'" and "]`": jump to next mark fmark_T *fm = pos_to_mark(curbuf, NULL, curwin->w_cursor); assert(fm != NULL); fmark_T *prev_fm; for (n = cap->count1; n > 0; n--) { prev_fm = fm; fm = getnextmark(&fm->mark, cap->cmdchar == '[' ? BACKWARD : FORWARD, cap->nchar == '\''); if (fm == NULL) { break; } } if (fm == NULL) { fm = prev_fm; } MarkMove flags = kMarkContext; flags |= cap->nchar == '\'' ? kMarkBeginLine: 0; nv_mark_move_to(cap, flags, fm); } else if (cap->nchar >= K_RIGHTRELEASE && cap->nchar <= K_LEFTMOUSE) { // [ or ] followed by a middle mouse click: put selected text with // indent adjustment. Any other button just does as usual. (void)do_mouse(cap->oap, cap->nchar, (cap->cmdchar == ']') ? FORWARD : BACKWARD, cap->count1, PUT_FIXINDENT); } else if (cap->nchar == 'z') { // "[z" and "]z": move to start or end of open fold. if (foldMoveTo(false, cap->cmdchar == ']' ? FORWARD : BACKWARD, cap->count1) == false) { clearopbeep(cap->oap); } } else if (cap->nchar == 'c') { // "[c" and "]c": move to next or previous diff-change. if (diff_move_to(cap->cmdchar == ']' ? FORWARD : BACKWARD, cap->count1) == false) { clearopbeep(cap->oap); } } else if (cap->nchar == 's' || cap->nchar == 'S') { // "[s", "[S", "]s" and "]S": move to next spell error. setpcmark(); for (n = 0; n < cap->count1; n++) { if (spell_move_to(curwin, cap->cmdchar == ']' ? FORWARD : BACKWARD, cap->nchar == 's', false, NULL) == 0) { clearopbeep(cap->oap); break; } else { curwin->w_set_curswant = true; } } if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped) { foldOpenCursor(); } } else { // Not a valid cap->nchar. clearopbeep(cap->oap); } } /// Handle Normal mode "%" command. static void nv_percent(cmdarg_T *cap) { pos_T *pos; linenr_T lnum = curwin->w_cursor.lnum; cap->oap->inclusive = true; if (cap->count0) { // {cnt}% : goto {cnt} percentage in file if (cap->count0 > 100) { clearopbeep(cap->oap); } else { cap->oap->motion_type = kMTLineWise; setpcmark(); // Round up, so 'normal 100%' always jumps at the line line. // Beyond 21474836 lines, (ml_line_count * 100 + 99) would // overflow on 32-bits, so use a formula with less accuracy // to avoid overflows. if (curbuf->b_ml.ml_line_count >= 21474836) { curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count + 99) / 100 * (linenr_T)cap->count0; } else { curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count * (linenr_T)cap->count0 + 99) / 100; } if (curwin->w_cursor.lnum < 1) { curwin->w_cursor.lnum = 1; } if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) { curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; } beginline(BL_SOL | BL_FIX); } } else { // "%" : go to matching paren cap->oap->motion_type = kMTCharWise; cap->oap->use_reg_one = true; if ((pos = findmatch(cap->oap, NUL)) == NULL) { clearopbeep(cap->oap); } else { setpcmark(); curwin->w_cursor = *pos; curwin->w_set_curswant = true; curwin->w_cursor.coladd = 0; adjust_for_sel(cap); } } if (cap->oap->op_type == OP_NOP && lnum != curwin->w_cursor.lnum && (fdo_flags & FDO_PERCENT) && KeyTyped) { foldOpenCursor(); } } /// Handle "(" and ")" commands. /// cap->arg is BACKWARD for "(" and FORWARD for ")". static void nv_brace(cmdarg_T *cap) { cap->oap->motion_type = kMTCharWise; cap->oap->use_reg_one = true; // The motion used to be inclusive for "(", but that is not what Vi does. cap->oap->inclusive = false; curwin->w_set_curswant = true; if (findsent(cap->arg, cap->count1) == false) { clearopbeep(cap->oap); } else { // Don't leave the cursor on the NUL past end of line. adjust_cursor(cap->oap); curwin->w_cursor.coladd = 0; if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP) { foldOpenCursor(); } } } /// "m" command: Mark a position. static void nv_mark(cmdarg_T *cap) { if (!checkclearop(cap->oap)) { if (setmark(cap->nchar) == false) { clearopbeep(cap->oap); } } } /// "{" and "}" commands. /// cmd->arg is BACKWARD for "{" and FORWARD for "}". static void nv_findpar(cmdarg_T *cap) { cap->oap->motion_type = kMTCharWise; cap->oap->inclusive = false; cap->oap->use_reg_one = true; curwin->w_set_curswant = true; if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, NUL, false)) { clearopbeep(cap->oap); } else { curwin->w_cursor.coladd = 0; if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP) { foldOpenCursor(); } } } /// "u" command: Undo or make lower case. static void nv_undo(cmdarg_T *cap) { if (cap->oap->op_type == OP_LOWER || VIsual_active) { // translate "u" to "gu" and "guu" to "gugu" cap->cmdchar = 'g'; cap->nchar = 'u'; nv_operator(cap); } else { nv_kundo(cap); } } /// command. static void nv_kundo(cmdarg_T *cap) { if (!checkclearopq(cap->oap)) { if (bt_prompt(curbuf)) { clearopbeep(cap->oap); return; } u_undo((int)cap->count1); curwin->w_set_curswant = true; } } /// Handle the "r" command. static void nv_replace(cmdarg_T *cap) { char_u *ptr; int had_ctrl_v; if (checkclearop(cap->oap)) { return; } if (bt_prompt(curbuf) && !prompt_curpos_editable()) { clearopbeep(cap->oap); return; } // get another character if (cap->nchar == Ctrl_V) { had_ctrl_v = Ctrl_V; cap->nchar = get_literal(false); // Don't redo a multibyte character with CTRL-V. if (cap->nchar > DEL) { had_ctrl_v = NUL; } } else { had_ctrl_v = NUL; } // Abort if the character is a special key. if (IS_SPECIAL(cap->nchar)) { clearopbeep(cap->oap); return; } // Visual mode "r" if (VIsual_active) { if (got_int) { reset_VIsual(); } if (had_ctrl_v) { // Use a special (negative) number to make a difference between a // literal CR or NL and a line break. if (cap->nchar == CAR) { cap->nchar = REPLACE_CR_NCHAR; } else if (cap->nchar == NL) { cap->nchar = REPLACE_NL_NCHAR; } } nv_operator(cap); return; } // Break tabs, etc. if (virtual_active()) { if (u_save_cursor() == false) { return; } if (gchar_cursor() == NUL) { // Add extra space and put the cursor on the first one. coladvance_force((colnr_T)(getviscol() + cap->count1)); assert(cap->count1 <= INT_MAX); curwin->w_cursor.col -= (colnr_T)cap->count1; } else if (gchar_cursor() == TAB) { coladvance_force(getviscol()); } } // Abort if not enough characters to replace. ptr = (char_u *)get_cursor_pos_ptr(); if (STRLEN(ptr) < (unsigned)cap->count1 || (mb_charlen(ptr) < cap->count1)) { clearopbeep(cap->oap); return; } // Replacing with a TAB is done by edit() when it is complicated because // 'expandtab' or 'smarttab' is set. CTRL-V TAB inserts a literal TAB. // Other characters are done below to avoid problems with things like // CTRL-V 048 (for edit() this would be R CTRL-V 0 ESC). if (had_ctrl_v != Ctrl_V && cap->nchar == '\t' && (curbuf->b_p_et || p_sta)) { stuffnumReadbuff(cap->count1); stuffcharReadbuff('R'); stuffcharReadbuff('\t'); stuffcharReadbuff(ESC); return; } // save line for undo if (u_save_cursor() == false) { return; } if (had_ctrl_v != Ctrl_V && (cap->nchar == '\r' || cap->nchar == '\n')) { // Replace character(s) by a single newline. // Strange vi behaviour: Only one newline is inserted. // Delete the characters here. // Insert the newline with an insert command, takes care of // autoindent. The insert command depends on being on the last // character of a line or not. (void)del_chars(cap->count1, false); // delete the characters stuffcharReadbuff('\r'); stuffcharReadbuff(ESC); // Give 'r' to edit(), to get the redo command right. invoke_edit(cap, true, 'r', false); } else { prep_redo(cap->oap->regname, cap->count1, NUL, 'r', NUL, had_ctrl_v, cap->nchar); curbuf->b_op_start = curwin->w_cursor; const int old_State = State; if (cap->ncharC1 != 0) { AppendCharToRedobuff(cap->ncharC1); } if (cap->ncharC2 != 0) { AppendCharToRedobuff(cap->ncharC2); } // This is slow, but it handles replacing a single-byte with a // multi-byte and the other way around. Also handles adding // composing characters for utf-8. for (long n = cap->count1; n > 0; n--) { State = MODE_REPLACE; if (cap->nchar == Ctrl_E || cap->nchar == Ctrl_Y) { int c = ins_copychar(curwin->w_cursor.lnum + (cap->nchar == Ctrl_Y ? -1 : 1)); if (c != NUL) { ins_char(c); } else { // will be decremented further down curwin->w_cursor.col++; } } else { ins_char(cap->nchar); } State = old_State; if (cap->ncharC1 != 0) { ins_char(cap->ncharC1); } if (cap->ncharC2 != 0) { ins_char(cap->ncharC2); } } curwin->w_cursor.col--; // cursor on the last replaced char // if the character on the left of the current cursor is a multi-byte // character, move two characters left mb_adjust_cursor(); curbuf->b_op_end = curwin->w_cursor; curwin->w_set_curswant = true; set_last_insert(cap->nchar); } foldUpdateAfterInsert(); } /// 'o': Exchange start and end of Visual area. /// 'O': same, but in block mode exchange left and right corners. static void v_swap_corners(int cmdchar) { pos_T old_cursor; colnr_T left, right; if (cmdchar == 'O' && VIsual_mode == Ctrl_V) { old_cursor = curwin->w_cursor; getvcols(curwin, &old_cursor, &VIsual, &left, &right); curwin->w_cursor.lnum = VIsual.lnum; coladvance(left); VIsual = curwin->w_cursor; curwin->w_cursor.lnum = old_cursor.lnum; curwin->w_curswant = right; // 'selection "exclusive" and cursor at right-bottom corner: move it // right one column if (old_cursor.lnum >= VIsual.lnum && *p_sel == 'e') { curwin->w_curswant++; } coladvance(curwin->w_curswant); if (curwin->w_cursor.col == old_cursor.col && (!virtual_active() || curwin->w_cursor.coladd == old_cursor.coladd)) { curwin->w_cursor.lnum = VIsual.lnum; if (old_cursor.lnum <= VIsual.lnum && *p_sel == 'e') { right++; } coladvance(right); VIsual = curwin->w_cursor; curwin->w_cursor.lnum = old_cursor.lnum; coladvance(left); curwin->w_curswant = left; } } else { old_cursor = curwin->w_cursor; curwin->w_cursor = VIsual; VIsual = old_cursor; curwin->w_set_curswant = true; } } /// "R" (cap->arg is false) and "gR" (cap->arg is true). static void nv_Replace(cmdarg_T *cap) { if (VIsual_active) { // "R" is replace lines cap->cmdchar = 'c'; cap->nchar = NUL; VIsual_mode_orig = VIsual_mode; // remember original area for gv VIsual_mode = 'V'; nv_operator(cap); } else if (!checkclearopq(cap->oap)) { if (!MODIFIABLE(curbuf)) { emsg(_(e_modifiable)); } else { if (virtual_active()) { coladvance(getviscol()); } invoke_edit(cap, false, cap->arg ? 'V' : 'R', false); } } } /// "gr". static void nv_vreplace(cmdarg_T *cap) { if (VIsual_active) { cap->cmdchar = 'r'; cap->nchar = cap->extra_char; nv_replace(cap); // Do same as "r" in Visual mode for now } else if (!checkclearopq(cap->oap)) { if (!MODIFIABLE(curbuf)) { emsg(_(e_modifiable)); } else { if (cap->extra_char == Ctrl_V) { // get another character cap->extra_char = get_literal(false); } stuffcharReadbuff(cap->extra_char); stuffcharReadbuff(ESC); if (virtual_active()) { coladvance(getviscol()); } invoke_edit(cap, true, 'v', false); } } } /// Swap case for "~" command, when it does not work like an operator. static void n_swapchar(cmdarg_T *cap) { long n; pos_T startpos; int did_change = 0; if (checkclearopq(cap->oap)) { return; } if (LINEEMPTY(curwin->w_cursor.lnum) && vim_strchr(p_ww, '~') == NULL) { clearopbeep(cap->oap); return; } prep_redo_cmd(cap); if (u_save_cursor() == false) { return; } startpos = curwin->w_cursor; for (n = cap->count1; n > 0; n--) { did_change |= swapchar(cap->oap->op_type, &curwin->w_cursor); inc_cursor(); if (gchar_cursor() == NUL) { if (vim_strchr(p_ww, '~') != NULL && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) { curwin->w_cursor.lnum++; curwin->w_cursor.col = 0; if (n > 1) { if (u_savesub(curwin->w_cursor.lnum) == false) { break; } u_clearline(); } } else { break; } } } check_cursor(); curwin->w_set_curswant = true; if (did_change) { changed_lines(startpos.lnum, startpos.col, curwin->w_cursor.lnum + 1, 0L, true); curbuf->b_op_start = startpos; curbuf->b_op_end = curwin->w_cursor; if (curbuf->b_op_end.col > 0) { curbuf->b_op_end.col--; } } } /// Move the cursor to the mark position /// /// Wrapper to mark_move_to() that also handles normal mode command arguments. /// @note It will switch the buffer if neccesarry, move the cursor and set the /// view depending on the given flags. /// @param cap command line arguments /// @param flags for mark_move_to() /// @param mark mark /// @return The result of calling mark_move_to() static MarkMoveRes nv_mark_move_to(cmdarg_T *cap, MarkMove flags, fmark_T *fm) { MarkMoveRes res = mark_move_to(fm, flags); if (res & kMarkMoveFailed) { clearop(cap->oap); } cap->oap->motion_type = flags & kMarkBeginLine ? kMTLineWise : kMTCharWise; if (cap->cmdchar == '`') { cap->oap->use_reg_one = true; } cap->oap->inclusive = false; // ignored if not kMTCharWise curwin->w_set_curswant = true; return res; } /// Handle commands that are operators in Visual mode. static void v_visop(cmdarg_T *cap) { static char trans[] = "YyDdCcxdXdAAIIrr"; // Uppercase means linewise, except in block mode, then "D" deletes till // the end of the line, and "C" replaces till EOL if (isupper(cap->cmdchar)) { if (VIsual_mode != Ctrl_V) { VIsual_mode_orig = VIsual_mode; VIsual_mode = 'V'; } else if (cap->cmdchar == 'C' || cap->cmdchar == 'D') { curwin->w_curswant = MAXCOL; } } cap->cmdchar = (uint8_t)(*(vim_strchr(trans, cap->cmdchar) + 1)); nv_operator(cap); } /// "s" and "S" commands. static void nv_subst(cmdarg_T *cap) { if (bt_prompt(curbuf) && !prompt_curpos_editable()) { clearopbeep(cap->oap); return; } if (VIsual_active) { // "vs" and "vS" are the same as "vc" if (cap->cmdchar == 'S') { VIsual_mode_orig = VIsual_mode; VIsual_mode = 'V'; } cap->cmdchar = 'c'; nv_operator(cap); } else { nv_optrans(cap); } } /// Abbreviated commands. static void nv_abbrev(cmdarg_T *cap) { if (cap->cmdchar == K_DEL || cap->cmdchar == K_KDEL) { cap->cmdchar = 'x'; // DEL key behaves like 'x' } // in Visual mode these commands are operators if (VIsual_active) { v_visop(cap); } else { nv_optrans(cap); } } /// Translate a command into another command. static void nv_optrans(cmdarg_T *cap) { static const char *(ar[]) = { "dl", "dh", "d$", "c$", "cl", "cc", "yy", ":s\r" }; static const char *str = "xXDCsSY&"; if (!checkclearopq(cap->oap)) { if (cap->count0) { stuffnumReadbuff(cap->count0); } stuffReadbuff(ar[strchr(str, (char)cap->cmdchar) - str]); } cap->opcount = 0; } /// "'" and "`" commands. Also for "g'" and "g`". /// cap->arg is true for "'" and "g'". static void nv_gomark(cmdarg_T *cap) { int name; MarkMove flags = jop_flags & JOP_VIEW ? kMarkSetView : 0; // flags for moving to the mark MarkMoveRes move_res = 0; // Result from moving to the mark const bool old_KeyTyped = KeyTyped; // getting file may reset it if (cap->cmdchar == 'g') { name = cap->extra_char; flags |= KMarkNoContext; } else { name = cap->nchar; flags |= kMarkContext; } flags |= cap->arg ? kMarkBeginLine : 0; flags |= cap->count0 ? kMarkSetView : 0; fmark_T *fm = mark_get(curbuf, curwin, NULL, kMarkAll, name); move_res = nv_mark_move_to(cap, flags, fm); // May need to clear the coladd that a mark includes. if (!virtual_active()) { curwin->w_cursor.coladd = 0; } if (cap->oap->op_type == OP_NOP && move_res & kMarkMoveSuccess && (move_res & kMarkSwitchedBuf || move_res & kMarkChangedCursor) && (fdo_flags & FDO_MARK) && old_KeyTyped) { foldOpenCursor(); } } /// Handle CTRL-O, CTRL-I, "g;", "g,", and "CTRL-Tab" commands. /// Movement in the jumplist and changelist. static void nv_pcmark(cmdarg_T *cap) { fmark_T *fm = NULL; MarkMove flags = jop_flags & JOP_VIEW ? kMarkSetView : 0; // flags for moving to the mark MarkMoveRes move_res = 0; // Result from moving to the mark const bool old_KeyTyped = KeyTyped; // getting file may reset it. if (!checkclearopq(cap->oap)) { if (cap->cmdchar == TAB && mod_mask == MOD_MASK_CTRL) { if (!goto_tabpage_lastused()) { clearopbeep(cap->oap); } return; } if (cap->cmdchar == 'g') { fm = get_changelist(curbuf, curwin, (int)cap->count1); } else { fm = get_jumplist(curwin, (int)cap->count1); flags |= KMarkNoContext | kMarkJumpList; } // Changelist and jumplist have their own error messages. Therefore avoid // calling nv_mark_move_to() when not found to avoid incorrect error // messages. if (fm != NULL) { move_res = nv_mark_move_to(cap, flags, fm); } else if (cap->cmdchar == 'g') { if (curbuf->b_changelistlen == 0) { emsg(_("E664: changelist is empty")); } else if (cap->count1 < 0) { emsg(_("E662: At start of changelist")); } else { emsg(_("E663: At end of changelist")); } } else { clearopbeep(cap->oap); } if (cap->oap->op_type == OP_NOP && (move_res & kMarkSwitchedBuf || move_res & kMarkChangedLine) && (fdo_flags & FDO_MARK) && old_KeyTyped) { foldOpenCursor(); } } } /// Handle '"' command. static void nv_regname(cmdarg_T *cap) { if (checkclearop(cap->oap)) { return; } if (cap->nchar == '=') { cap->nchar = get_expr_register(); } if (cap->nchar != NUL && valid_yank_reg(cap->nchar, false)) { cap->oap->regname = cap->nchar; cap->opcount = cap->count0; // remember count before '"' set_reg_var(cap->oap->regname); } else { clearopbeep(cap->oap); } } /// Handle "v", "V" and "CTRL-V" commands. /// Also for "gh", "gH" and "g^H" commands: Always start Select mode, cap->arg /// is true. /// Handle CTRL-Q just like CTRL-V. static void nv_visual(cmdarg_T *cap) { if (cap->cmdchar == Ctrl_Q) { cap->cmdchar = Ctrl_V; } // 'v', 'V' and CTRL-V can be used while an operator is pending to make it // charwise, linewise, or blockwise. if (cap->oap->op_type != OP_NOP) { motion_force = cap->oap->motion_force = cap->cmdchar; finish_op = false; // operator doesn't finish now but later return; } VIsual_select = cap->arg; if (VIsual_active) { // change Visual mode if (VIsual_mode == cap->cmdchar) { // stop visual mode end_visual_mode(); } else { // toggle char/block mode // or char/line mode VIsual_mode = cap->cmdchar; showmode(); may_trigger_modechanged(); } redraw_curbuf_later(UPD_INVERTED); // update the inversion } else { // start Visual mode if (cap->count0 > 0 && resel_VIsual_mode != NUL) { // use previously selected part VIsual = curwin->w_cursor; VIsual_active = true; VIsual_reselect = true; if (!cap->arg) { // start Select mode when 'selectmode' contains "cmd" may_start_select('c'); } setmouse(); if (p_smd && msg_silent == 0) { redraw_cmdline = true; // show visual mode later } // For V and ^V, we multiply the number of lines even if there // was only one -- webb if (resel_VIsual_mode != 'v' || resel_VIsual_line_count > 1) { curwin->w_cursor.lnum += resel_VIsual_line_count * (linenr_T)cap->count0 - 1; check_cursor(); } VIsual_mode = resel_VIsual_mode; if (VIsual_mode == 'v') { if (resel_VIsual_line_count <= 1) { validate_virtcol(); assert(cap->count0 >= INT_MIN && cap->count0 <= INT_MAX); curwin->w_curswant = (curwin->w_virtcol + resel_VIsual_vcol * (int)cap->count0 - 1); } else { curwin->w_curswant = resel_VIsual_vcol; } coladvance(curwin->w_curswant); } if (resel_VIsual_vcol == MAXCOL) { curwin->w_curswant = MAXCOL; coladvance(MAXCOL); } else if (VIsual_mode == Ctrl_V) { validate_virtcol(); assert(cap->count0 >= INT_MIN && cap->count0 <= INT_MAX); curwin->w_curswant = (curwin->w_virtcol + resel_VIsual_vcol * (int)cap->count0 - 1); coladvance(curwin->w_curswant); } else { curwin->w_set_curswant = true; } redraw_curbuf_later(UPD_INVERTED); // show the inversion } else { if (!cap->arg) { // start Select mode when 'selectmode' contains "cmd" may_start_select('c'); } n_start_visual_mode(cap->cmdchar); if (VIsual_mode != 'V' && *p_sel == 'e') { cap->count1++; // include one more char } if (cap->count0 > 0 && --cap->count1 > 0) { // With a count select that many characters or lines. if (VIsual_mode == 'v' || VIsual_mode == Ctrl_V) { nv_right(cap); } else if (VIsual_mode == 'V') { nv_down(cap); } } } } } /// Start selection for Shift-movement keys. void start_selection(void) { // if 'selectmode' contains "key", start Select mode may_start_select('k'); n_start_visual_mode('v'); } /// Start Select mode, if "c" is in 'selectmode' and not in a mapping or menu. /// When "c" is 'o' (checking for "mouse") then also when mapped. void may_start_select(int c) { VIsual_select = (c == 'o' || (stuff_empty() && typebuf_typed())) && vim_strchr(p_slm, c) != NULL; } /// Start Visual mode "c". /// Should set VIsual_select before calling this. static void n_start_visual_mode(int c) { VIsual_mode = c; VIsual_active = true; VIsual_reselect = true; // Corner case: the 0 position in a tab may change when going into // virtualedit. Recalculate curwin->w_cursor to avoid bad highlighting. // if (c == Ctrl_V && (get_ve_flags() & VE_BLOCK) && gchar_cursor() == TAB) { validate_virtcol(); coladvance(curwin->w_virtcol); } VIsual = curwin->w_cursor; foldAdjustVisual(); may_trigger_modechanged(); setmouse(); // Check for redraw after changing the state. conceal_check_cursor_line(); if (p_smd && msg_silent == 0) { redraw_cmdline = true; // show visual mode later } // Only need to redraw this line, unless still need to redraw an old // Visual area (when 'lazyredraw' is set). if (curwin->w_redr_type < UPD_INVERTED) { curwin->w_old_cursor_lnum = curwin->w_cursor.lnum; curwin->w_old_visual_lnum = curwin->w_cursor.lnum; } } /// CTRL-W: Window commands static void nv_window(cmdarg_T *cap) { if (cap->nchar == ':') { // "CTRL-W :" is the same as typing ":"; useful in a terminal window cap->cmdchar = ':'; cap->nchar = NUL; nv_colon(cap); } else if (!checkclearop(cap->oap)) { do_window(cap->nchar, cap->count0, NUL); // everything is in window.c } } /// CTRL-Z: Suspend static void nv_suspend(cmdarg_T *cap) { clearop(cap->oap); if (VIsual_active) { end_visual_mode(); // stop Visual mode } do_cmdline_cmd("st"); } /// "gv": Reselect the previous Visual area. If Visual already active, /// exchange previous and current Visual area. static void nv_gv_cmd(cmdarg_T *cap) { if (checkclearop(cap->oap)) { return; } if (curbuf->b_visual.vi_start.lnum == 0 || curbuf->b_visual.vi_start.lnum > curbuf->b_ml.ml_line_count || curbuf->b_visual.vi_end.lnum == 0) { beep_flush(); return; } pos_T tpos; // set w_cursor to the start of the Visual area, tpos to the end if (VIsual_active) { int i = VIsual_mode; VIsual_mode = curbuf->b_visual.vi_mode; curbuf->b_visual.vi_mode = i; curbuf->b_visual_mode_eval = i; i = curwin->w_curswant; curwin->w_curswant = curbuf->b_visual.vi_curswant; curbuf->b_visual.vi_curswant = i; tpos = curbuf->b_visual.vi_end; curbuf->b_visual.vi_end = curwin->w_cursor; curwin->w_cursor = curbuf->b_visual.vi_start; curbuf->b_visual.vi_start = VIsual; } else { VIsual_mode = curbuf->b_visual.vi_mode; curwin->w_curswant = curbuf->b_visual.vi_curswant; tpos = curbuf->b_visual.vi_end; curwin->w_cursor = curbuf->b_visual.vi_start; } VIsual_active = true; VIsual_reselect = true; // Set Visual to the start and w_cursor to the end of the Visual // area. Make sure they are on an existing character. check_cursor(); VIsual = curwin->w_cursor; curwin->w_cursor = tpos; check_cursor(); update_topline(curwin); // When called from normal "g" command: start Select mode when // 'selectmode' contains "cmd". When called for K_SELECT, always // start Select mode. if (cap->arg) { VIsual_select = true; VIsual_select_reg = 0; } else { may_start_select('c'); } setmouse(); redraw_curbuf_later(UPD_INVERTED); showmode(); } /// "g0", "g^" : Like "0" and "^" but for screen lines. /// "gm": middle of "g0" and "g$". static void nv_g_home_m_cmd(cmdarg_T *cap) { int i; const bool flag = cap->nchar == '^'; cap->oap->motion_type = kMTCharWise; cap->oap->inclusive = false; if (curwin->w_p_wrap && curwin->w_width_inner != 0) { int width1 = curwin->w_width_inner - curwin_col_off(); int width2 = width1 + curwin_col_off2(); validate_virtcol(); i = 0; if (curwin->w_virtcol >= (colnr_T)width1 && width2 > 0) { i = (curwin->w_virtcol - width1) / width2 * width2 + width1; } } else { i = curwin->w_leftcol; } // Go to the middle of the screen line. When 'number' or // 'relativenumber' is on and lines are wrapping the middle can be more // to the left. if (cap->nchar == 'm') { i += (curwin->w_width_inner - curwin_col_off() + ((curwin->w_p_wrap && i > 0) ? curwin_col_off2() : 0)) / 2; } coladvance((colnr_T)i); if (flag) { do { i = gchar_cursor(); } while (ascii_iswhite(i) && oneright()); curwin->w_valid &= ~VALID_WCOL; } curwin->w_set_curswant = true; } /// "g_": to the last non-blank character in the line or lines downward. static void nv_g_underscore_cmd(cmdarg_T *cap) { cap->oap->motion_type = kMTCharWise; cap->oap->inclusive = true; curwin->w_curswant = MAXCOL; if (cursor_down(cap->count1 - 1, cap->oap->op_type == OP_NOP) == false) { clearopbeep(cap->oap); return; } char_u *ptr = (char_u *)get_cursor_line_ptr(); // In Visual mode we may end up after the line. if (curwin->w_cursor.col > 0 && ptr[curwin->w_cursor.col] == NUL) { curwin->w_cursor.col--; } // Decrease the cursor column until it's on a non-blank. while (curwin->w_cursor.col > 0 && ascii_iswhite(ptr[curwin->w_cursor.col])) { curwin->w_cursor.col--; } curwin->w_set_curswant = true; adjust_for_sel(cap); } /// "g$" : Like "$" but for screen lines. static void nv_g_dollar_cmd(cmdarg_T *cap) { oparg_T *oap = cap->oap; int i; int col_off = curwin_col_off(); oap->motion_type = kMTCharWise; oap->inclusive = true; if (curwin->w_p_wrap && curwin->w_width_inner != 0) { curwin->w_curswant = MAXCOL; // so we stay at the end if (cap->count1 == 1) { int width1 = curwin->w_width_inner - col_off; int width2 = width1 + curwin_col_off2(); validate_virtcol(); i = width1 - 1; if (curwin->w_virtcol >= (colnr_T)width1) { i += ((curwin->w_virtcol - width1) / width2 + 1) * width2; } coladvance((colnr_T)i); // Make sure we stick in this column. validate_virtcol(); curwin->w_curswant = curwin->w_virtcol; curwin->w_set_curswant = false; if (curwin->w_cursor.col > 0 && curwin->w_p_wrap) { // Check for landing on a character that got split at // the end of the line. We do not want to advance to // the next screen line. if (curwin->w_virtcol > (colnr_T)i) { curwin->w_cursor.col--; } } } else if (nv_screengo(oap, FORWARD, cap->count1 - 1) == false) { clearopbeep(oap); } } else { if (cap->count1 > 1) { // if it fails, let the cursor still move to the last char (void)cursor_down(cap->count1 - 1, false); } i = curwin->w_leftcol + curwin->w_width_inner - col_off - 1; coladvance((colnr_T)i); // if the character doesn't fit move one back if (curwin->w_cursor.col > 0 && utf_ptr2cells((const char *)get_cursor_pos_ptr()) > 1) { colnr_T vcol; getvvcol(curwin, &curwin->w_cursor, NULL, NULL, &vcol); if (vcol >= curwin->w_leftcol + curwin->w_width - col_off) { curwin->w_cursor.col--; } } // Make sure we stick in this column. validate_virtcol(); curwin->w_curswant = curwin->w_virtcol; curwin->w_set_curswant = false; } } /// "gi": start Insert at the last position. static void nv_gi_cmd(cmdarg_T *cap) { if (curbuf->b_last_insert.mark.lnum != 0) { curwin->w_cursor = curbuf->b_last_insert.mark; check_cursor_lnum(); int i = (int)strlen(get_cursor_line_ptr()); if (curwin->w_cursor.col > (colnr_T)i) { if (virtual_active()) { curwin->w_cursor.coladd += curwin->w_cursor.col - i; } curwin->w_cursor.col = i; } } cap->cmdchar = 'i'; nv_edit(cap); } /// Commands starting with "g". static void nv_g_cmd(cmdarg_T *cap) { oparg_T *oap = cap->oap; int i; switch (cap->nchar) { // "g^A/g^X": Sequentially increment visually selected region. case Ctrl_A: case Ctrl_X: if (VIsual_active) { cap->arg = true; cap->cmdchar = cap->nchar; cap->nchar = NUL; nv_addsub(cap); } else { clearopbeep(oap); } break; // "gR": Enter virtual replace mode. case 'R': cap->arg = true; nv_Replace(cap); break; case 'r': nv_vreplace(cap); break; case '&': do_cmdline_cmd("%s//~/&"); break; // "gv": Reselect the previous Visual area. If Visual already active, // exchange previous and current Visual area. case 'v': nv_gv_cmd(cap); break; // "gV": Don't reselect the previous Visual area after a Select mode mapping of menu. case 'V': VIsual_reselect = false; break; // "gh": start Select mode. // "gH": start Select line mode. // "g^H": start Select block mode. case K_BS: cap->nchar = Ctrl_H; FALLTHROUGH; case 'h': case 'H': case Ctrl_H: cap->cmdchar = cap->nchar + ('v' - 'h'); cap->arg = true; nv_visual(cap); break; // "gn", "gN" visually select next/previous search match // "gn" selects next match // "gN" selects previous match case 'N': case 'n': if (!current_search(cap->count1, cap->nchar == 'n')) { clearopbeep(oap); } break; // "gj" and "gk" two new funny movement keys -- up and down // movement based on *screen* line rather than *file* line. case 'j': case K_DOWN: // with 'nowrap' it works just like the normal "j" command. if (!curwin->w_p_wrap) { oap->motion_type = kMTLineWise; i = cursor_down(cap->count1, oap->op_type == OP_NOP); } else { i = nv_screengo(oap, FORWARD, cap->count1); } if (!i) { clearopbeep(oap); } break; case 'k': case K_UP: // with 'nowrap' it works just like the normal "k" command. if (!curwin->w_p_wrap) { oap->motion_type = kMTLineWise; i = cursor_up(cap->count1, oap->op_type == OP_NOP); } else { i = nv_screengo(oap, BACKWARD, cap->count1); } if (!i) { clearopbeep(oap); } break; // "gJ": join two lines without inserting a space. case 'J': nv_join(cap); break; // "g0", "g^" : Like "0" and "^" but for screen lines. // "gm": middle of "g0" and "g$". case '^': case '0': case 'm': case K_HOME: case K_KHOME: nv_g_home_m_cmd(cap); break; case 'M': oap->motion_type = kMTCharWise; oap->inclusive = false; i = linetabsize((char_u *)get_cursor_line_ptr()); if (cap->count0 > 0 && cap->count0 <= 100) { coladvance((colnr_T)(i * cap->count0 / 100)); } else { coladvance((colnr_T)(i / 2)); } curwin->w_set_curswant = true; break; // "g_": to the last non-blank character in the line or lines downward. case '_': nv_g_underscore_cmd(cap); break; // "g$" : Like "$" but for screen lines. case '$': case K_END: case K_KEND: nv_g_dollar_cmd(cap); break; // "g*" and "g#", like "*" and "#" but without using "\<" and "\>" case '*': case '#': #if POUND != '#' case POUND: // pound sign (sometimes equal to '#') #endif case Ctrl_RSB: // :tag or :tselect for current identifier case ']': // :tselect for current identifier nv_ident(cap); break; // ge and gE: go back to end of word case 'e': case 'E': oap->motion_type = kMTCharWise; curwin->w_set_curswant = true; oap->inclusive = true; if (bckend_word(cap->count1, cap->nchar == 'E', false) == false) { clearopbeep(oap); } break; // "g CTRL-G": display info about cursor position case Ctrl_G: cursor_pos_info(NULL); break; // "gi": start Insert at the last position. case 'i': nv_gi_cmd(cap); break; // "gI": Start insert in column 1. case 'I': beginline(0); if (!checkclearopq(oap)) { invoke_edit(cap, false, 'g', false); } break; // "gf": goto file, edit file under cursor // "]f" and "[f": can also be used. case 'f': case 'F': nv_gotofile(cap); break; // "g'm" and "g`m": jump to mark without setting pcmark case '\'': cap->arg = true; FALLTHROUGH; case '`': nv_gomark(cap); break; // "gs": Goto sleep. case 's': do_sleep(cap->count1 * 1000L); break; // "ga": Display the ascii value of the character under the // cursor. It is displayed in decimal, hex, and octal. -- webb case 'a': do_ascii(NULL); break; // "g8": Display the bytes used for the UTF-8 character under the // cursor. It is displayed in hex. // "8g8" finds illegal byte sequence. case '8': if (cap->count0 == 8) { utf_find_illegal(); } else { show_utf8(); } break; // "g<": show scrollback text case '<': show_sb_text(); break; // "gg": Goto the first line in file. With a count it goes to // that line number like for "G". -- webb case 'g': cap->arg = false; nv_goto(cap); break; // Two-character operators: // "gq" Format text // "gw" Format text and keep cursor position // "g~" Toggle the case of the text. // "gu" Change text to lower case. // "gU" Change text to upper case. // "g?" rot13 encoding // "g@" call 'operatorfunc' case 'q': case 'w': oap->cursor_start = curwin->w_cursor; FALLTHROUGH; case '~': case 'u': case 'U': case '?': case '@': nv_operator(cap); break; // "gd": Find first occurrence of pattern under the cursor in the current function // "gD": idem, but in the current file. case 'd': case 'D': nv_gd(oap, cap->nchar, (int)cap->count0); break; // g<*Mouse> : case K_MIDDLEMOUSE: case K_MIDDLEDRAG: case K_MIDDLERELEASE: case K_LEFTMOUSE: case K_LEFTDRAG: case K_LEFTRELEASE: case K_MOUSEMOVE: case K_RIGHTMOUSE: case K_RIGHTDRAG: case K_RIGHTRELEASE: case K_X1MOUSE: case K_X1DRAG: case K_X1RELEASE: case K_X2MOUSE: case K_X2DRAG: case K_X2RELEASE: mod_mask = MOD_MASK_CTRL; (void)do_mouse(oap, cap->nchar, BACKWARD, cap->count1, 0); break; case K_IGNORE: break; // "gP" and "gp": same as "P" and "p" but leave cursor just after new text case 'p': case 'P': nv_put(cap); break; // "go": goto byte count from start of buffer case 'o': goto_byte(cap->count0); break; // "gQ": improved Ex mode case 'Q': if (!check_text_locked(cap->oap) && !checkclearopq(oap)) { do_exmode(); } break; case ',': nv_pcmark(cap); break; case ';': cap->count1 = -cap->count1; nv_pcmark(cap); break; case 't': if (!checkclearop(oap)) { goto_tabpage((int)cap->count0); } break; case 'T': if (!checkclearop(oap)) { goto_tabpage(-(int)cap->count1); } break; case TAB: if (!checkclearop(oap) && !goto_tabpage_lastused()) { clearopbeep(oap); } break; case '+': case '-': // "g+" and "g-": undo or redo along the timeline if (!checkclearopq(oap)) { undo_time(cap->nchar == '-' ? -cap->count1 : cap->count1, false, false, false); } break; default: clearopbeep(oap); break; } } /// Handle "o" and "O" commands. static void n_opencmd(cmdarg_T *cap) { if (!checkclearopq(cap->oap)) { if (cap->cmdchar == 'O') { // Open above the first line of a folded sequence of lines (void)hasFolding(curwin->w_cursor.lnum, &curwin->w_cursor.lnum, NULL); } else { // Open below the last line of a folded sequence of lines (void)hasFolding(curwin->w_cursor.lnum, NULL, &curwin->w_cursor.lnum); } if (u_save((linenr_T)(curwin->w_cursor.lnum - (cap->cmdchar == 'O' ? 1 : 0)), (linenr_T)(curwin->w_cursor.lnum + (cap->cmdchar == 'o' ? 1 : 0)) ) && open_line(cap->cmdchar == 'O' ? BACKWARD : FORWARD, has_format_option(FO_OPEN_COMS) ? OPENLINE_DO_COM : 0, 0, NULL)) { if (win_cursorline_standout(curwin)) { // force redraw of cursorline curwin->w_valid &= ~VALID_CROW; } invoke_edit(cap, false, cap->cmdchar, true); } } } /// "." command: redo last change. static void nv_dot(cmdarg_T *cap) { if (!checkclearopq(cap->oap)) { // If "restart_edit" is true, the last but one command is repeated // instead of the last command (inserting text). This is used for // CTRL-O <.> in insert mode. if (start_redo(cap->count0, restart_edit != 0 && !arrow_used) == false) { clearopbeep(cap->oap); } } } /// CTRL-R: undo undo or specify register in select mode static void nv_redo_or_register(cmdarg_T *cap) { if (VIsual_select && VIsual_active) { int reg; // Get register name no_mapping++; reg = plain_vgetc(); LANGMAP_ADJUST(reg, true); no_mapping--; if (reg == '"') { // the unnamed register is 0 reg = 0; } VIsual_select_reg = valid_yank_reg(reg, true) ? reg : 0; return; } if (!checkclearopq(cap->oap)) { u_redo((int)cap->count1); curwin->w_set_curswant = true; } } /// Handle "U" command. static void nv_Undo(cmdarg_T *cap) { // In Visual mode and typing "gUU" triggers an operator if (cap->oap->op_type == OP_UPPER || VIsual_active) { // translate "gUU" to "gUgU" cap->cmdchar = 'g'; cap->nchar = 'U'; nv_operator(cap); } else if (!checkclearopq(cap->oap)) { u_undoline(); curwin->w_set_curswant = true; } } /// '~' command: If tilde is not an operator and Visual is off: swap case of a /// single character. static void nv_tilde(cmdarg_T *cap) { if (!p_to && !VIsual_active && cap->oap->op_type != OP_TILDE) { if (bt_prompt(curbuf) && !prompt_curpos_editable()) { clearopbeep(cap->oap); return; } n_swapchar(cap); } else { nv_operator(cap); } } /// Handle an operator command. /// The actual work is done by do_pending_operator(). static void nv_operator(cmdarg_T *cap) { int op_type; op_type = get_op_type(cap->cmdchar, cap->nchar); if (bt_prompt(curbuf) && op_is_change(op_type) && !prompt_curpos_editable()) { clearopbeep(cap->oap); return; } if (op_type == cap->oap->op_type) { // double operator works on lines nv_lineop(cap); } else if (!checkclearop(cap->oap)) { cap->oap->start = curwin->w_cursor; cap->oap->op_type = op_type; set_op_var(op_type); } } /// Set v:operator to the characters for "optype". static void set_op_var(int optype) { if (optype == OP_NOP) { set_vim_var_string(VV_OP, NULL, 0); } else { char opchars[3]; int opchar0 = get_op_char(optype); assert(opchar0 >= 0 && opchar0 <= UCHAR_MAX); opchars[0] = (char)opchar0; int opchar1 = get_extra_op_char(optype); assert(opchar1 >= 0 && opchar1 <= UCHAR_MAX); opchars[1] = (char)opchar1; opchars[2] = NUL; set_vim_var_string(VV_OP, opchars, -1); } } /// Handle linewise operator "dd", "yy", etc. /// /// "_" is is a strange motion command that helps make operators more logical. /// It is actually implemented, but not documented in the real Vi. This motion /// command actually refers to "the current line". Commands like "dd" and "yy" /// are really an alternate form of "d_" and "y_". It does accept a count, so /// "d3_" works to delete 3 lines. static void nv_lineop(cmdarg_T *cap) { cap->oap->motion_type = kMTLineWise; if (cursor_down(cap->count1 - 1L, cap->oap->op_type == OP_NOP) == false) { clearopbeep(cap->oap); } else if ((cap->oap->op_type == OP_DELETE // only with linewise motions && cap->oap->motion_force != 'v' && cap->oap->motion_force != Ctrl_V) || cap->oap->op_type == OP_LSHIFT || cap->oap->op_type == OP_RSHIFT) { beginline(BL_SOL | BL_FIX); } else if (cap->oap->op_type != OP_YANK) { // 'Y' does not move cursor beginline(BL_WHITE | BL_FIX); } } /// command. static void nv_home(cmdarg_T *cap) { // CTRL-HOME is like "gg" if (mod_mask & MOD_MASK_CTRL) { nv_goto(cap); } else { cap->count0 = 1; nv_pipe(cap); } ins_at_eol = false; // Don't move cursor past eol (only necessary in a // one-character line). } /// "|" command. static void nv_pipe(cmdarg_T *cap) { cap->oap->motion_type = kMTCharWise; cap->oap->inclusive = false; beginline(0); if (cap->count0 > 0) { coladvance((colnr_T)(cap->count0 - 1)); curwin->w_curswant = (colnr_T)(cap->count0 - 1); } else { curwin->w_curswant = 0; } // keep curswant at the column where we wanted to go, not where // we ended; differs if line is too short curwin->w_set_curswant = false; } /// Handle back-word command "b" and "B". /// cap->arg is 1 for "B" static void nv_bck_word(cmdarg_T *cap) { cap->oap->motion_type = kMTCharWise; cap->oap->inclusive = false; curwin->w_set_curswant = true; if (bck_word(cap->count1, cap->arg, false) == false) { clearopbeep(cap->oap); } else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP) { foldOpenCursor(); } } /// Handle word motion commands "e", "E", "w" and "W". /// cap->arg is true for "E" and "W". static void nv_wordcmd(cmdarg_T *cap) { int n; bool word_end; bool flag = false; pos_T startpos = curwin->w_cursor; // Set inclusive for the "E" and "e" command. if (cap->cmdchar == 'e' || cap->cmdchar == 'E') { word_end = true; } else { word_end = false; } cap->oap->inclusive = word_end; // "cw" and "cW" are a special case. if (!word_end && cap->oap->op_type == OP_CHANGE) { n = gchar_cursor(); if (n != NUL && !ascii_iswhite(n)) { // This is a little strange. To match what the real Vi does, we // effectively map "cw" to "ce", and "cW" to "cE", provided that we are // not on a space or a TAB. This seems impolite at first, but it's // really more what we mean when we say "cw". // // Another strangeness: When standing on the end of a word "ce" will // change until the end of the next word, but "cw" will change only one // character! This is done by setting "flag". if (vim_strchr(p_cpo, CPO_CHANGEW) != NULL) { cap->oap->inclusive = true; word_end = true; } flag = true; } } cap->oap->motion_type = kMTCharWise; curwin->w_set_curswant = true; if (word_end) { n = end_word(cap->count1, cap->arg, flag, false); } else { n = fwd_word(cap->count1, cap->arg, cap->oap->op_type != OP_NOP); } // Don't leave the cursor on the NUL past the end of line. Unless we // didn't move it forward. if (lt(startpos, curwin->w_cursor)) { adjust_cursor(cap->oap); } if (n == false && cap->oap->op_type == OP_NOP) { clearopbeep(cap->oap); } else { adjust_for_sel(cap); if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP) { foldOpenCursor(); } } } /// Used after a movement command: If the cursor ends up on the NUL after the /// end of the line, may move it back to the last character and make the motion /// inclusive. static void adjust_cursor(oparg_T *oap) { // The cursor cannot remain on the NUL when: // - the column is > 0 // - not in Visual mode or 'selection' is "o" // - 'virtualedit' is not "all" and not "onemore". if (curwin->w_cursor.col > 0 && gchar_cursor() == NUL && (!VIsual_active || *p_sel == 'o') && !virtual_active() && (get_ve_flags() & VE_ONEMORE) == 0) { curwin->w_cursor.col--; // prevent cursor from moving on the trail byte mb_adjust_cursor(); oap->inclusive = true; } } /// "0" and "^" commands. /// cap->arg is the argument for beginline(). static void nv_beginline(cmdarg_T *cap) { cap->oap->motion_type = kMTCharWise; cap->oap->inclusive = false; beginline(cap->arg); if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP) { foldOpenCursor(); } ins_at_eol = false; // Don't move cursor past eol (only necessary in a // one-character line). } /// In exclusive Visual mode, may include the last character. static void adjust_for_sel(cmdarg_T *cap) { if (VIsual_active && cap->oap->inclusive && *p_sel == 'e' && gchar_cursor() != NUL && lt(VIsual, curwin->w_cursor)) { inc_cursor(); cap->oap->inclusive = false; } } /// Exclude last character at end of Visual area for 'selection' == "exclusive". /// Should check VIsual_mode before calling this. /// /// @return true when backed up to the previous line. bool unadjust_for_sel(void) { pos_T *pp; if (*p_sel == 'e' && !equalpos(VIsual, curwin->w_cursor)) { if (lt(VIsual, curwin->w_cursor)) { pp = &curwin->w_cursor; } else { pp = &VIsual; } if (pp->coladd > 0) { pp->coladd--; } else if (pp->col > 0) { pp->col--; mark_mb_adjustpos(curbuf, pp); } else if (pp->lnum > 1) { pp->lnum--; pp->col = (colnr_T)strlen(ml_get(pp->lnum)); return true; } } return false; } /// SELECT key in Normal or Visual mode: end of Select mode mapping. static void nv_select(cmdarg_T *cap) { if (VIsual_active) { VIsual_select = true; VIsual_select_reg = 0; } else if (VIsual_reselect) { cap->nchar = 'v'; // fake "gv" command cap->arg = true; nv_g_cmd(cap); } } /// "G", "gg", CTRL-END, CTRL-HOME. /// cap->arg is true for "G". static void nv_goto(cmdarg_T *cap) { linenr_T lnum; if (cap->arg) { lnum = curbuf->b_ml.ml_line_count; } else { lnum = 1L; } cap->oap->motion_type = kMTLineWise; setpcmark(); // When a count is given, use it instead of the default lnum if (cap->count0 != 0) { lnum = (linenr_T)cap->count0; } if (lnum < 1L) { lnum = 1L; } else if (lnum > curbuf->b_ml.ml_line_count) { lnum = curbuf->b_ml.ml_line_count; } curwin->w_cursor.lnum = lnum; beginline(BL_SOL | BL_FIX); if ((fdo_flags & FDO_JUMP) && KeyTyped && cap->oap->op_type == OP_NOP) { foldOpenCursor(); } } /// CTRL-\ in Normal mode. static void nv_normal(cmdarg_T *cap) { if (cap->nchar == Ctrl_N || cap->nchar == Ctrl_G) { clearop(cap->oap); if (restart_edit != 0 && mode_displayed) { clear_cmdline = true; // unshow mode later } restart_edit = 0; if (cmdwin_type != 0) { cmdwin_result = Ctrl_C; } if (VIsual_active) { end_visual_mode(); // stop Visual redraw_curbuf_later(UPD_INVERTED); } } else { clearopbeep(cap->oap); } } /// ESC in Normal mode: beep, but don't flush buffers. /// Don't even beep if we are canceling a command. static void nv_esc(cmdarg_T *cap) { int no_reason; no_reason = (cap->oap->op_type == OP_NOP && cap->opcount == 0 && cap->count0 == 0 && cap->oap->regname == 0); if (cap->arg) { // true for CTRL-C if (restart_edit == 0 && cmdwin_type == 0 && !VIsual_active && no_reason) { if (anyBufIsChanged()) { msg(_("Type :qa! and press to abandon all changes" " and exit Nvim")); } else { msg(_("Type :qa and press to exit Nvim")); } } if (restart_edit != 0) { redraw_mode = true; // remove "-- (insert) --" } restart_edit = 0; if (cmdwin_type != 0) { cmdwin_result = K_IGNORE; got_int = false; // don't stop executing autocommands et al. return; } } else if (cmdwin_type != 0 && ex_normal_busy && typebuf_was_empty) { // When :normal runs out of characters while in the command line window // vgetorpeek() will repeatedly return ESC. Exit the cmdline window to // break the loop. cmdwin_result = K_IGNORE; return; } if (VIsual_active) { end_visual_mode(); // stop Visual check_cursor_col(); // make sure cursor is not beyond EOL curwin->w_set_curswant = true; redraw_curbuf_later(UPD_INVERTED); } else if (no_reason) { vim_beep(BO_ESC); } clearop(cap->oap); } /// Move the cursor for the "A" command. void set_cursor_for_append_to_line(void) { curwin->w_set_curswant = true; if (get_ve_flags() == VE_ALL) { const int save_State = State; // Pretend Insert mode here to allow the cursor on the // character past the end of the line State = MODE_INSERT; coladvance(MAXCOL); State = save_State; } else { curwin->w_cursor.col += (colnr_T)strlen(get_cursor_pos_ptr()); } } /// Handle "A", "a", "I", "i" and commands. static void nv_edit(cmdarg_T *cap) { // is equal to "i" if (cap->cmdchar == K_INS || cap->cmdchar == K_KINS) { cap->cmdchar = 'i'; } // in Visual mode "A" and "I" are an operator if (VIsual_active && (cap->cmdchar == 'A' || cap->cmdchar == 'I')) { v_visop(cap); // in Visual mode and after an operator "a" and "i" are for text objects } else if ((cap->cmdchar == 'a' || cap->cmdchar == 'i') && (cap->oap->op_type != OP_NOP || VIsual_active)) { nv_object(cap); } else if (!curbuf->b_p_ma && !curbuf->terminal) { emsg(_(e_modifiable)); clearop(cap->oap); } else if (!checkclearopq(cap->oap)) { switch (cap->cmdchar) { case 'A': // "A"ppend after the line set_cursor_for_append_to_line(); break; case 'I': // "I"nsert before the first non-blank beginline(BL_WHITE); break; case 'a': // "a"ppend is like "i"nsert on the next character. // increment coladd when in virtual space, increment the // column otherwise, also to append after an unprintable char if (virtual_active() && (curwin->w_cursor.coladd > 0 || *get_cursor_pos_ptr() == NUL || *get_cursor_pos_ptr() == TAB)) { curwin->w_cursor.coladd++; } else if (*get_cursor_pos_ptr() != NUL) { inc_cursor(); } break; } if (curwin->w_cursor.coladd && cap->cmdchar != 'A') { int save_State = State; // Pretend Insert mode here to allow the cursor on the // character past the end of the line State = MODE_INSERT; coladvance(getviscol()); State = save_State; } invoke_edit(cap, false, cap->cmdchar, false); } } /// Invoke edit() and take care of "restart_edit" and the return value. /// /// @param repl "r" or "gr" command static void invoke_edit(cmdarg_T *cap, int repl, int cmd, int startln) { int restart_edit_save = 0; // Complicated: When the user types "aa" we don't want to do Insert // mode recursively. But when doing "a." or "arx" we do allow // it. if (repl || !stuff_empty()) { restart_edit_save = restart_edit; } else { restart_edit_save = 0; } // Always reset "restart_edit", this is not a restarted edit. restart_edit = 0; if (edit(cmd, startln, cap->count1)) { cap->retval |= CA_COMMAND_BUSY; } if (restart_edit == 0) { restart_edit = restart_edit_save; } } /// "a" or "i" while an operator is pending or in Visual mode: object motion. static void nv_object(cmdarg_T *cap) { bool flag; bool include; char_u *mps_save; if (cap->cmdchar == 'i') { include = false; // "ix" = inner object: exclude white space } else { include = true; // "ax" = an object: include white space } // Make sure (), [], {} and <> are in 'matchpairs' mps_save = (char_u *)curbuf->b_p_mps; curbuf->b_p_mps = "(:),{:},[:],<:>"; switch (cap->nchar) { case 'w': // "aw" = a word flag = current_word(cap->oap, cap->count1, include, false); break; case 'W': // "aW" = a WORD flag = current_word(cap->oap, cap->count1, include, true); break; case 'b': // "ab" = a braces block case '(': case ')': flag = current_block(cap->oap, cap->count1, include, '(', ')'); break; case 'B': // "aB" = a Brackets block case '{': case '}': flag = current_block(cap->oap, cap->count1, include, '{', '}'); break; case '[': // "a[" = a [] block case ']': flag = current_block(cap->oap, cap->count1, include, '[', ']'); break; case '<': // "a<" = a <> block case '>': flag = current_block(cap->oap, cap->count1, include, '<', '>'); break; case 't': // "at" = a tag block (xml and html) // Do not adjust oap->end in do_pending_operator() // otherwise there are different results for 'dit' // (note leading whitespace in last line): // 1) 2) // foobar foobar // cap->retval |= CA_NO_ADJ_OP_END; flag = current_tagblock(cap->oap, cap->count1, include); break; case 'p': // "ap" = a paragraph flag = current_par(cap->oap, cap->count1, include, 'p'); break; case 's': // "as" = a sentence flag = current_sent(cap->oap, cap->count1, include); break; case '"': // "a"" = a double quoted string case '\'': // "a'" = a single quoted string case '`': // "a`" = a backtick quoted string flag = current_quote(cap->oap, cap->count1, include, cap->nchar); break; default: flag = false; break; } curbuf->b_p_mps = (char *)mps_save; if (!flag) { clearopbeep(cap->oap); } adjust_cursor_col(); curwin->w_set_curswant = true; } /// "q" command: Start/stop recording. /// "q:", "q/", "q?": edit command-line in command-line window. static void nv_record(cmdarg_T *cap) { if (cap->oap->op_type == OP_FORMAT) { // "gqq" is the same as "gqgq": format line cap->cmdchar = 'g'; cap->nchar = 'q'; nv_operator(cap); } else if (!checkclearop(cap->oap)) { if (cap->nchar == ':' || cap->nchar == '/' || cap->nchar == '?') { stuffcharReadbuff(cap->nchar); stuffcharReadbuff(K_CMDWIN); } else { // (stop) recording into a named register, unless executing a // register. if (reg_executing == 0 && do_record(cap->nchar) == FAIL) { clearopbeep(cap->oap); } } } } /// Handle the "@r" command. static void nv_at(cmdarg_T *cap) { if (checkclearop(cap->oap)) { return; } if (cap->nchar == '=') { if (get_expr_register() == NUL) { return; } } while (cap->count1-- && !got_int) { if (do_execreg(cap->nchar, false, false, false) == false) { clearopbeep(cap->oap); break; } line_breakcheck(); } } /// Handle the CTRL-U and CTRL-D commands. static void nv_halfpage(cmdarg_T *cap) { if ((cap->cmdchar == Ctrl_U && curwin->w_cursor.lnum == 1) || (cap->cmdchar == Ctrl_D && curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count)) { clearopbeep(cap->oap); } else if (!checkclearop(cap->oap)) { halfpage(cap->cmdchar == Ctrl_D, (linenr_T)cap->count0); } } /// Handle "J" or "gJ" command. static void nv_join(cmdarg_T *cap) { if (VIsual_active) { // join the visual lines nv_operator(cap); } else if (!checkclearop(cap->oap)) { if (cap->count0 <= 1) { cap->count0 = 2; // default for join is two lines! } if (curwin->w_cursor.lnum + cap->count0 - 1 > curbuf->b_ml.ml_line_count) { // can't join when on the last line if (cap->count0 <= 2) { clearopbeep(cap->oap); return; } cap->count0 = curbuf->b_ml.ml_line_count - curwin->w_cursor.lnum + 1; } prep_redo(cap->oap->regname, cap->count0, NUL, cap->cmdchar, NUL, NUL, cap->nchar); do_join((size_t)cap->count0, cap->nchar == NUL, true, true, true); } } /// "P", "gP", "p" and "gp" commands. static void nv_put(cmdarg_T *cap) { nv_put_opt(cap, false); } /// "P", "gP", "p" and "gp" commands. /// /// @param fix_indent true for "[p", "[P", "]p" and "]P". static void nv_put_opt(cmdarg_T *cap, bool fix_indent) { int regname = 0; yankreg_T *savereg = NULL; bool empty = false; bool was_visual = false; int dir; int flags = 0; if (cap->oap->op_type != OP_NOP) { // "dp" is ":diffput" if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'p') { clearop(cap->oap); assert(cap->opcount >= 0); nv_diffgetput(true, (size_t)cap->opcount); } else { clearopbeep(cap->oap); } } else if (bt_prompt(curbuf) && !prompt_curpos_editable()) { clearopbeep(cap->oap); } else { if (fix_indent) { dir = (cap->cmdchar == ']' && cap->nchar == 'p') ? FORWARD : BACKWARD; flags |= PUT_FIXINDENT; } else { dir = (cap->cmdchar == 'P' || ((cap->cmdchar == 'g' || cap->cmdchar == 'z') && cap->nchar == 'P')) ? BACKWARD : FORWARD; } prep_redo_cmd(cap); if (cap->cmdchar == 'g') { flags |= PUT_CURSEND; } else if (cap->cmdchar == 'z') { flags |= PUT_BLOCK_INNER; } if (VIsual_active) { // Putting in Visual mode: The put text replaces the selected // text. First delete the selected text, then put the new text. // Need to save and restore the registers that the delete // overwrites if the old contents is being put. was_visual = true; regname = cap->oap->regname; bool keep_registers = cap->cmdchar == 'P'; // '+' and '*' could be the same selection bool clipoverwrite = (regname == '+' || regname == '*') && (cb_flags & CB_UNNAMEDMASK); if (regname == 0 || regname == '"' || clipoverwrite || ascii_isdigit(regname) || regname == '-') { // The delete might overwrite the register we want to put, save it first savereg = copy_register(regname); } // To place the cursor correctly after a blockwise put, and to leave the // text in the correct position when putting over a selection with // 'virtualedit' and past the end of the line, we use the 'c' operator in // do_put(), which requires the visual selection to still be active. if (!VIsual_active || VIsual_mode == 'V' || regname != '.') { // Now delete the selected text. Avoid messages here. cap->cmdchar = 'd'; cap->nchar = NUL; cap->oap->regname = keep_registers ? '_' : NUL; msg_silent++; nv_operator(cap); do_pending_operator(cap, 0, false); empty = (curbuf->b_ml.ml_flags & ML_EMPTY); msg_silent--; // delete PUT_LINE_BACKWARD; cap->oap->regname = regname; } // When deleted a linewise Visual area, put the register as // lines to avoid it joined with the next line. When deletion was // charwise, split a line when putting lines. if (VIsual_mode == 'V') { flags |= PUT_LINE; } else if (VIsual_mode == 'v') { flags |= PUT_LINE_SPLIT; } if (VIsual_mode == Ctrl_V && dir == FORWARD) { flags |= PUT_LINE_FORWARD; } dir = BACKWARD; if ((VIsual_mode != 'V' && curwin->w_cursor.col < curbuf->b_op_start.col) || (VIsual_mode == 'V' && curwin->w_cursor.lnum < curbuf->b_op_start.lnum)) { // cursor is at the end of the line or end of file, put // forward. dir = FORWARD; } // May have been reset in do_put(). VIsual_active = true; } do_put(cap->oap->regname, savereg, dir, cap->count1, flags); // If a register was saved, free it if (savereg != NULL) { free_register(savereg); xfree(savereg); } // What to reselect with "gv"? Selecting the just put text seems to // be the most useful, since the original text was removed. if (was_visual) { curbuf->b_visual.vi_start = curbuf->b_op_start; curbuf->b_visual.vi_end = curbuf->b_op_end; // need to adjust cursor position if (*p_sel == 'e') { inc(&curbuf->b_visual.vi_end); } } // When all lines were selected and deleted do_put() leaves an empty // line that needs to be deleted now. if (empty && *ml_get(curbuf->b_ml.ml_line_count) == NUL) { ml_delete(curbuf->b_ml.ml_line_count, true); deleted_lines(curbuf->b_ml.ml_line_count + 1, 1); // If the cursor was in that line, move it to the end of the last // line. if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) { curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; coladvance(MAXCOL); } } auto_format(false, true); } } /// "o" and "O" commands. static void nv_open(cmdarg_T *cap) { // "do" is ":diffget" if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'o') { clearop(cap->oap); assert(cap->opcount >= 0); nv_diffgetput(false, (size_t)cap->opcount); } else if (VIsual_active) { // switch start and end of visual/ v_swap_corners(cap->cmdchar); } else if (bt_prompt(curbuf)) { clearopbeep(cap->oap); } else { n_opencmd(cap); } } /// Handle an arbitrary event in normal mode static void nv_event(cmdarg_T *cap) { // Garbage collection should have been executed before blocking for events in // the `os_inchar` in `state_enter`, but we also disable it here in case the // `os_inchar` branch was not executed (!multiqueue_empty(loop.events), which // could have `may_garbage_collect` set to true in `normal_check`). // // That is because here we may run code that calls `os_inchar` // later(`f_confirm` or `get_keystroke` for example), but in these cases it is // not safe to perform garbage collection because there could be unreferenced // lists or dicts being used. may_garbage_collect = false; bool may_restart = (restart_edit != 0 || restart_VIsual_select != 0); state_handle_k_event(); finish_op = false; if (may_restart) { // Tricky: if restart_edit was set before the handler we are in ctrl-o mode, // but if not, the event should be allowed to trigger :startinsert. cap->retval |= CA_COMMAND_BUSY; // don't call edit() or restart Select now } } /// @return true when 'mousemodel' is set to "popup" or "popup_setpos". static bool mouse_model_popup(void) { return p_mousem[0] == 'p'; } void normal_cmd(oparg_T *oap, bool toplevel) { NormalState s; normal_state_init(&s); s.toplevel = toplevel; s.oa = *oap; normal_prepare(&s); (void)normal_execute(&s.state, safe_vgetc()); *oap = s.oa; }