diff options
Diffstat (limited to 'src/nvim/window.c')
| -rw-r--r-- | src/nvim/window.c | 2252 |
1 files changed, 1118 insertions, 1134 deletions
diff --git a/src/nvim/window.c b/src/nvim/window.c index 74ea1172ee..2bcbef14b0 100644 --- a/src/nvim/window.c +++ b/src/nvim/window.c @@ -2,21 +2,32 @@ // it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com #include <assert.h> +#include <ctype.h> #include <inttypes.h> +#include <limits.h> #include <stdbool.h> +#include <stddef.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "nvim/api/private/defs.h" #include "nvim/api/private/helpers.h" -#include "nvim/api/vim.h" #include "nvim/arglist.h" #include "nvim/ascii.h" +#include "nvim/autocmd.h" #include "nvim/buffer.h" #include "nvim/charset.h" #include "nvim/cursor.h" +#include "nvim/decoration.h" #include "nvim/diff.h" #include "nvim/drawscreen.h" #include "nvim/edit.h" #include "nvim/eval.h" +#include "nvim/eval/typval.h" +#include "nvim/eval/typval_defs.h" #include "nvim/eval/vars.h" +#include "nvim/eval/window.h" #include "nvim/ex_cmds.h" #include "nvim/ex_cmds2.h" #include "nvim/ex_docmd.h" @@ -27,15 +38,19 @@ #include "nvim/fold.h" #include "nvim/garray.h" #include "nvim/getchar.h" +#include "nvim/gettext.h" #include "nvim/globals.h" #include "nvim/grid.h" #include "nvim/hashtab.h" -#include "nvim/highlight.h" +#include "nvim/keycodes.h" +#include "nvim/macros.h" #include "nvim/main.h" -#include "nvim/mapping.h" +#include "nvim/map.h" +#include "nvim/mapping.h" // IWYU pragma: keep (langmap_adjust_mb) #include "nvim/mark.h" #include "nvim/match.h" -#include "nvim/memline.h" +#include "nvim/mbyte.h" +#include "nvim/memline_defs.h" #include "nvim/memory.h" #include "nvim/message.h" #include "nvim/mouse.h" @@ -44,16 +59,18 @@ #include "nvim/option.h" #include "nvim/optionstr.h" #include "nvim/os/os.h" -#include "nvim/os_unix.h" #include "nvim/path.h" #include "nvim/plines.h" +#include "nvim/pos.h" #include "nvim/quickfix.h" -#include "nvim/regexp.h" +#include "nvim/screen.h" #include "nvim/search.h" #include "nvim/state.h" +#include "nvim/statusline.h" #include "nvim/strings.h" #include "nvim/syntax.h" #include "nvim/terminal.h" +#include "nvim/types.h" #include "nvim/ui.h" #include "nvim/ui_compositor.h" #include "nvim/undo.h" @@ -125,15 +142,10 @@ win_T *prevwin_curwin(void) /// @param xchar extra char from ":wincmd gx" or NUL void do_window(int nchar, long Prenum, int xchar) { - long Prenum1; - win_T *wp; - char *ptr; - linenr_T lnum = -1; int type = FIND_DEFINE; - size_t len; char cbuf[40]; - Prenum1 = Prenum == 0 ? 1 : Prenum; + long Prenum1 = Prenum == 0 ? 1 : Prenum; #define CHECK_CMDWIN \ do { \ @@ -236,8 +248,8 @@ newwindow: break; // cursor to preview window - case 'P': - wp = NULL; + case 'P': { + win_T *wp = NULL; FOR_ALL_WINDOWS_IN_TAB(wp2, curtab) { if (wp2->w_p_pvw) { wp = wp2; @@ -250,6 +262,7 @@ newwindow: win_goto(wp); } break; + } // close all but current window case Ctrl_O: @@ -269,13 +282,13 @@ newwindow: if (ONE_WINDOW && Prenum != 1) { // just one window beep_flush(); } else { + win_T *wp; if (Prenum) { // go to specified window for (wp = firstwin; --Prenum > 0;) { if (wp->w_next == NULL) { break; - } else { - wp = wp->w_next; } + wp = wp->w_next; } } else { if (nchar == 'W') { // go to previous window @@ -346,7 +359,7 @@ newwindow: // First create a new tab with the window, then go back to // the old tab and close the window there. - wp = curwin; + win_T *wp = curwin; if (win_new_tabpage((int)Prenum, NULL) == OK && valid_tabpage(oldtab)) { newtab = curtab; @@ -417,10 +430,12 @@ newwindow: | ((nchar == 'H' || nchar == 'K') ? WSP_TOP : WSP_BOT)); break; - // make all windows the same height - case '=': - win_equal(NULL, false, 'b'); + // make all windows the same width and/or height + case '=': { + int mod = cmdmod.cmod_split & (WSP_VERT | WSP_HOR); + win_equal(NULL, false, mod == WSP_VERT ? 'v' : mod == WSP_HOR ? 'h' : 'b'); break; + } // increase current window height case '+': @@ -479,16 +494,18 @@ newwindow: // Execute the command right here, required when // "wincmd ]" was used in a function. do_nv_ident(Ctrl_RSB, NUL); + postponed_split = 0; break; // edit file name under cursor in a new window case 'f': case 'F': - case Ctrl_F: + case Ctrl_F: { wingotofile: CHECK_CMDWIN; - ptr = (char *)grab_file_name(Prenum1, &lnum); + linenr_T lnum = -1; + char *ptr = (char *)grab_file_name(Prenum1, &lnum); if (ptr != NULL) { tabpage_T *oldtab = curtab; win_T *oldwin = curwin; @@ -508,6 +525,7 @@ wingotofile: xfree(ptr); } break; + } // Go to the first occurrence of the identifier under cursor along path in a // new window -- webb @@ -516,8 +534,10 @@ wingotofile: type = FIND_ANY; FALLTHROUGH; case 'd': // Go to definition, using 'define' - case Ctrl_D: + case Ctrl_D: { CHECK_CMDWIN; + size_t len; + char *ptr; if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0) { break; } @@ -525,11 +545,12 @@ wingotofile: // 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, Prenum == 0, + find_pattern_in_path(ptr, 0, len, true, Prenum == 0, type, Prenum1, ACTION_SPLIT, 1, MAXLNUM); xfree(ptr); curwin->w_set_curswant = true; break; + } // Quickfix window only: view the result under the cursor in a new split. case K_KENTER: @@ -552,6 +573,7 @@ wingotofile: no_mapping--; allow_keys--; (void)add_to_showcmd(xchar); + switch (xchar) { case '}': xchar = Ctrl_RSB; @@ -573,6 +595,7 @@ wingotofile: // Execute the command right here, required when // "wincmd g}" was used in a function. do_nv_ident('g', xchar); + postponed_split = 0; break; case 'f': // CTRL-W gf: "gf" in a new tab page @@ -580,6 +603,7 @@ wingotofile: cmdmod.cmod_tab = tabpage_index(curtab) + 1; nchar = xchar; goto wingotofile; + case 't': // CTRL-W gt: go to next tab page goto_tabpage((int)Prenum); break; @@ -624,7 +648,7 @@ wingotofile: static void cmd_with_count(char *cmd, char *bufp, size_t bufsize, int64_t Prenum) { - size_t len = STRLCPY(bufp, cmd, bufsize); + size_t len = xstrlcpy(bufp, cmd, bufsize); if (Prenum > 0 && len < bufsize) { vim_snprintf(bufp + len, bufsize - len, "%" PRId64, Prenum); @@ -635,11 +659,13 @@ void win_set_buf(Window window, Buffer buffer, bool noautocmd, Error *err) { win_T *win = find_window_by_handle(window, err); buf_T *buf = find_buffer_by_handle(buffer, err); - tabpage_T *tab = win_find_tabpage(win); if (!win || !buf) { return; } + + tabpage_T *tab = win_find_tabpage(win); + if (noautocmd) { block_autocmds(); } @@ -735,7 +761,7 @@ void win_set_minimal_style(win_T *wp) } // TODO(bfredl): this could use a highlight namespace directly, - // and avoid pecularities around window options + // and avoid peculiarities around window options char_u *old = (char_u *)wp->w_p_winhl; wp->w_p_winhl = ((*old == NUL) ? xstrdup("EndOfBuffer:") @@ -744,7 +770,7 @@ void win_set_minimal_style(win_T *wp) parse_winhl_opt(wp); // signcolumn: use 'auto' - if (wp->w_p_scl[0] != 'a' || STRLEN(wp->w_p_scl) >= 8) { + if (wp->w_p_scl[0] != 'a' || strlen(wp->w_p_scl) >= 8) { free_string_option(wp->w_p_scl); wp->w_p_scl = xstrdup("auto"); } @@ -760,6 +786,12 @@ void win_set_minimal_style(win_T *wp) free_string_option(wp->w_p_cc); wp->w_p_cc = xstrdup(""); } + + // statuscolumn: cleared + if (wp->w_p_stc != NULL && *wp->w_p_stc != NUL) { + free_string_option(wp->w_p_stc); + wp->w_p_stc = xstrdup(""); + } } void win_config_float(win_T *wp, FloatConfig fconfig) @@ -772,13 +804,22 @@ void win_config_float(win_T *wp, FloatConfig fconfig) fconfig.row += curwin->w_wrow; fconfig.col += curwin->w_wcol; fconfig.window = curwin->handle; + } else if (fconfig.relative == kFloatRelativeMouse) { + int row = mouse_row, col = mouse_col, grid = mouse_grid; + win_T *mouse_win = mouse_find_win(&grid, &row, &col); + if (mouse_win != NULL) { + fconfig.relative = kFloatRelativeWindow; + fconfig.row += row; + fconfig.col += col; + fconfig.window = mouse_win->handle; + } } bool change_external = fconfig.external != wp->w_float_config.external; bool change_border = (fconfig.border != wp->w_float_config.border || memcmp(fconfig.border_hl_ids, wp->w_float_config.border_hl_ids, - sizeof fconfig.border_hl_ids)); + sizeof fconfig.border_hl_ids) != 0); wp->w_float_config = fconfig; @@ -819,16 +860,16 @@ void win_config_float(win_T *wp, FloatConfig fconfig) grid_adjust(&grid, &row_off, &col_off); row += row_off; col += col_off; + if (wp->w_float_config.bufpos.lnum >= 0) { + pos_T pos = { wp->w_float_config.bufpos.lnum + 1, + wp->w_float_config.bufpos.col, 0 }; + int trow, tcol, tcolc, tcole; + textpos2screenpos(parent, &pos, &trow, &tcol, &tcolc, &tcole, true); + row += trow - 1; + col += tcol - 1; + } } api_clear_error(&dummy); - if (wp->w_float_config.bufpos.lnum >= 0) { - pos_T pos = { wp->w_float_config.bufpos.lnum + 1, - wp->w_float_config.bufpos.col, 0 }; - int trow, tcol, tcolc, tcole; - textpos2screenpos(wp, &pos, &trow, &tcol, &tcolc, &tcole, true); - row += trow - 1; - col += tcol - 1; - } wp->w_winrow = row; wp->w_wincol = col; } else { @@ -864,13 +905,13 @@ int win_fdccol_count(win_T *wp) const int fdccol = fdc[4] == ':' ? fdc[5] - '0' : 1; int needed_fdccols = getDeepestNesting(wp); return MIN(fdccol, needed_fdccols); - } else { - return fdc[0] - '0'; } + return fdc[0] - '0'; } -void ui_ext_win_position(win_T *wp) +void ui_ext_win_position(win_T *wp, bool validate) { + wp->w_pos_changed = false; if (!wp->w_floating) { ui_call_win_pos(wp->w_grid_alloc.handle, wp->handle, wp->w_winrow, wp->w_wincol, wp->w_width, wp->w_height); @@ -908,6 +949,11 @@ void ui_ext_win_position(win_T *wp) grid->handle, row, col, c.focusable, wp->w_grid_alloc.zindex); } else { + bool valid = (wp->w_redr_type == 0); + if (!valid && !validate) { + wp->w_pos_changed = true; + return; + } // TODO(bfredl): ideally, compositor should work like any multigrid UI // and use standard win_pos events. bool east = c.anchor & kFloatAnchorEast; @@ -921,7 +967,6 @@ void ui_ext_win_position(win_T *wp) comp_col = MAX(MIN(comp_col, Columns - wp->w_width_outer), 0); wp->w_winrow = comp_row; wp->w_wincol = comp_col; - bool valid = (wp->w_redr_type == 0); ui_comp_put_grid(&wp->w_grid_alloc, comp_row, comp_col, wp->w_height_outer, wp->w_width_outer, valid, false); ui_check_cursor_grid(wp->w_grid_alloc.handle); @@ -968,21 +1013,19 @@ static int check_split_disallowed(void) return OK; } -/* - * split the current window, implements CTRL-W s and :split - * - * "size" is the height or width for the new window, 0 to use half of current - * height or width. - * - * "flags": - * WSP_ROOM: require enough room for new window - * WSP_VERT: vertical split. - * WSP_TOP: open window at the top-left of the screen (help window). - * WSP_BOT: open window at the bottom-right of the screen (quickfix window). - * WSP_HELP: creating the help window, keep layout snapshot - * - * return FAIL for failure, OK otherwise - */ +// split the current window, implements CTRL-W s and :split +// +// "size" is the height or width for the new window, 0 to use half of current +// height or width. +// +// "flags": +// WSP_ROOM: require enough room for new window +// WSP_VERT: vertical split. +// WSP_TOP: open window at the top-left of the screen (help window). +// WSP_BOT: open window at the bottom-right of the screen (quickfix window). +// WSP_HELP: creating the help window, keep layout snapshot +// +// return FAIL for failure, OK otherwise int win_split(int size, int flags) { if (check_split_disallowed() == FAIL) { @@ -1012,35 +1055,20 @@ int win_split(int size, int flags) return win_split_ins(size, flags, NULL, 0); } -/* - * When "new_wp" is NULL: split the current window in two. - * When "new_wp" is not NULL: insert this window at the far - * top/left/right/bottom. - * return FAIL for failure, OK otherwise - */ +// When "new_wp" is NULL: split the current window in two. +// When "new_wp" is not NULL: insert this window at the far +// top/left/right/bottom. +// return FAIL for failure, OK otherwise int win_split_ins(int size, int flags, win_T *new_wp, int dir) { win_T *wp = new_wp; - win_T *oldwin; - int new_size = size; - int i; - int need_status = 0; - bool do_equal = false; - int needed; - int available; - int oldwin_height = 0; - int layout; - frame_T *frp, *curfrp, *frp2, *prevfrp; - int before; - int minheight; - int wmh1; - bool did_set_fraction = false; - // aucmd_win should always remain floating - if (new_wp != NULL && new_wp == aucmd_win) { + // aucmd_win[] should always remain floating + if (new_wp != NULL && is_aucmd_win(new_wp)) { return FAIL; } + win_T *oldwin; if (flags & WSP_TOP) { oldwin = firstwin; } else if (flags & WSP_BOT || curwin->w_floating) { @@ -1050,6 +1078,8 @@ int win_split_ins(int size, int flags, win_T *new_wp, int dir) oldwin = curwin; } + int need_status = 0; + int new_size = size; bool new_in_layout = (new_wp == NULL || new_wp->w_floating); // add a status line when p_ls == 1 and splitting the first window @@ -1061,32 +1091,33 @@ int win_split_ins(int size, int flags, win_T *new_wp, int dir) need_status = STATUS_HEIGHT; } - if (flags & WSP_VERT) { - int wmw1; - int minwidth; - - layout = FR_ROW; + bool do_equal = false; + int oldwin_height = 0; + const int layout = flags & WSP_VERT ? FR_ROW : FR_COL; + bool did_set_fraction = false; - /* - * Check if we are able to split the current window and compute its - * width. - */ + if (flags & WSP_VERT) { + // Check if we are able to split the current window and compute its + // width. // Current window requires at least 1 space. - wmw1 = (p_wmw == 0 ? 1 : (int)p_wmw); - needed = wmw1 + 1; + int wmw1 = (p_wmw == 0 ? 1 : (int)p_wmw); + int needed = wmw1 + 1; if (flags & WSP_ROOM) { needed += (int)p_wiw - wmw1; } + int minwidth; + int available; if (flags & (WSP_BOT | WSP_TOP)) { minwidth = frame_minwidth(topframe, NOWIN); available = topframe->fr_width; needed += minwidth; } else if (p_ea) { minwidth = frame_minwidth(oldwin->w_frame, NOWIN); - prevfrp = oldwin->w_frame; - for (frp = oldwin->w_frame->fr_parent; frp != NULL; + frame_T *prevfrp = oldwin->w_frame; + for (frame_T *frp = oldwin->w_frame->fr_parent; frp != NULL; frp = frp->fr_parent) { if (frp->fr_layout == FR_ROW) { + frame_T *frp2; FOR_ALL_FRAMES(frp2, frp->fr_child) { if (frp2 != prevfrp) { minwidth += frame_minwidth(frp2, NOWIN); @@ -1132,7 +1163,7 @@ int win_split_ins(int size, int flags, win_T *new_wp, int dir) // is wider than one of the split windows. if (!do_equal && p_ea && size == 0 && *p_ead != 'v' && oldwin->w_frame->fr_parent != NULL) { - frp = oldwin->w_frame->fr_parent->fr_child; + frame_T *frp = oldwin->w_frame->fr_parent->fr_child; while (frp != NULL) { if (frp->fr_win != oldwin && frp->fr_win != NULL && (frp->fr_win->w_width > new_size @@ -1145,27 +1176,28 @@ int win_split_ins(int size, int flags, win_T *new_wp, int dir) } } } else { - layout = FR_COL; - // Check if we are able to split the current window and compute its height. // Current window requires at least 1 space plus space for the window bar. - wmh1 = MAX((int)p_wmh, 1) + oldwin->w_winbar_height; - needed = wmh1 + STATUS_HEIGHT; + int wmh1 = MAX((int)p_wmh, 1) + oldwin->w_winbar_height; + int needed = wmh1 + STATUS_HEIGHT; if (flags & WSP_ROOM) { needed += (int)p_wh - wmh1 + oldwin->w_winbar_height; } if (p_ch < 1) { needed += 1; // Adjust for cmdheight=0. } + int minheight; + int available; if (flags & (WSP_BOT | WSP_TOP)) { minheight = frame_minheight(topframe, NOWIN) + need_status; available = topframe->fr_height; needed += minheight; } else if (p_ea) { minheight = frame_minheight(oldwin->w_frame, NOWIN) + need_status; - prevfrp = oldwin->w_frame; - for (frp = oldwin->w_frame->fr_parent; frp != NULL; frp = frp->fr_parent) { + frame_T *prevfrp = oldwin->w_frame; + for (frame_T *frp = oldwin->w_frame->fr_parent; frp != NULL; frp = frp->fr_parent) { if (frp->fr_layout == FR_COL) { + frame_T *frp2; FOR_ALL_FRAMES(frp2, frp->fr_child) { if (frp2 != prevfrp) { minheight += frame_minheight(frp2, NOWIN); @@ -1228,7 +1260,7 @@ int win_split_ins(int size, int flags, win_T *new_wp, int dir) if (!do_equal && p_ea && size == 0 && *p_ead != 'h' && oldwin->w_frame->fr_parent != NULL) { - frp = oldwin->w_frame->fr_parent->fr_child; + frame_T *frp = oldwin->w_frame->fr_parent->fr_child; while (frp != NULL) { if (frp->fr_win != oldwin && frp->fr_win != NULL && (frp->fr_win->w_height > new_size @@ -1241,9 +1273,7 @@ int win_split_ins(int size, int flags, win_T *new_wp, int dir) } } - /* - * allocate new window structure and link it in the window list - */ + // allocate new window structure and link it in the window list if ((flags & WSP_TOP) == 0 && ((flags & WSP_BOT) || (flags & WSP_BELOW) @@ -1280,9 +1310,10 @@ int win_split_ins(int size, int flags, win_T *new_wp, int dir) CLEAR_FIELD(wp->w_border_adj); } - /* - * Reorganise the tree of frames to insert the new window. - */ + int before; + frame_T *curfrp; + + // Reorganise the tree of frames to insert the new window. if (flags & (WSP_TOP | WSP_BOT)) { if ((topframe->fr_layout == FR_COL && (flags & WSP_VERT) == 0) || (topframe->fr_layout == FR_ROW && (flags & WSP_VERT) != 0)) { @@ -1310,7 +1341,7 @@ int win_split_ins(int size, int flags, win_T *new_wp, int dir) } if (curfrp->fr_parent == NULL || curfrp->fr_parent->fr_layout != layout) { // Need to create a new frame in the tree to make a branch. - frp = xcalloc(1, sizeof(frame_T)); + frame_T *frp = xcalloc(1, sizeof(frame_T)); *frp = *curfrp; curfrp->fr_layout = (char)layout; frp->fr_parent = curfrp; @@ -1328,6 +1359,7 @@ int win_split_ins(int size, int flags, win_T *new_wp, int dir) } } + frame_T *frp; if (new_wp == NULL) { frp = wp->w_frame; } else { @@ -1487,13 +1519,15 @@ int win_split_ins(int size, int flags, win_T *new_wp, int dir) msg_col = 0; // put position back at start of line } - /* - * equalize the window sizes. - */ + // equalize the window sizes. if (do_equal || dir != 0) { win_equal(wp, true, (flags & WSP_VERT) ? (dir == 'v' ? 'b' : 'h') : (dir == 'h' ? 'b' : 'v')); + } else if (*p_spk != 'c' && !is_aucmd_win(wp)) { + win_fix_scroll(false); } + int i; + // Don't change the window height/width to 'winheight' / 'winwidth' if a // size was given. if (flags & WSP_VERT) { @@ -1525,17 +1559,13 @@ int win_split_ins(int size, int flags, win_T *new_wp, int dir) return OK; } -/* - * Initialize window "newp" from window "oldp". - * Used when splitting a window and when creating a new tab page. - * The windows will both edit the same buffer. - * WSP_NEWLOC may be specified in flags to prevent the location list from - * being copied. - */ +// Initialize window "newp" from window "oldp". +// Used when splitting a window and when creating a new tab page. +// The windows will both edit the same buffer. +// WSP_NEWLOC may be specified in flags to prevent the location list from +// being copied. static void win_init(win_T *newp, win_T *oldp, int flags) { - int i; - newp->w_buffer = oldp->w_buffer; newp->w_s = &(oldp->w_buffer->b_s); oldp->w_buffer->b_nwindows++; @@ -1565,8 +1595,14 @@ static void win_init(win_T *newp, win_T *oldp, int flags) newp->w_prevdir = (oldp->w_prevdir == NULL) ? NULL : xstrdup(oldp->w_prevdir); + if (*p_spk != 'c') { + newp->w_botline = oldp->w_botline; + newp->w_prev_height = oldp->w_height; + newp->w_prev_winrow = oldp->w_winrow; + } + // copy tagstack and folds - for (i = 0; i < oldp->w_tagstacklen; i++) { + for (int i = 0; i < oldp->w_tagstacklen; i++) { taggy_T *tag = &newp->w_tagstack[i]; *tag = oldp->w_tagstack[i]; if (tag->tagname != NULL) { @@ -1589,10 +1625,8 @@ static void win_init(win_T *newp, win_T *oldp, int flags) newp->w_winbar_height = oldp->w_winbar_height; } -/* - * Initialize window "newp" from window "old". - * Only the essential things are copied. - */ +// Initialize window "newp" from window "old". +// Only the essential things are copied. static void win_init_some(win_T *newp, win_T *oldp) { // Use the same argument list. @@ -1627,11 +1661,20 @@ bool win_valid_floating(const win_T *win) /// @param win window to check bool win_valid(const win_T *win) FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT { + return tabpage_win_valid(curtab, win); +} + +/// Check if "win" is a pointer to an existing window in tabpage "tp". +/// +/// @param win window to check +static bool tabpage_win_valid(const tabpage_T *tp, const win_T *win) + FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT +{ if (win == NULL) { return false; } - FOR_ALL_WINDOWS_IN_TAB(wp, curtab) { + FOR_ALL_WINDOWS_IN_TAB(wp, tp) { if (wp == win) { return true; } @@ -1669,9 +1712,7 @@ bool win_valid_any_tab(win_T *win) FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT return false; } -/* - * Return the number of windows. - */ +// Return the number of windows. int win_count(void) { int count = 0; @@ -1692,7 +1733,6 @@ int win_count(void) int make_windows(int count, bool vertical) { int maxcount; - int todo; if (vertical) { // Each window needs at least 'winminwidth' lines and a separator column. @@ -1722,6 +1762,8 @@ int make_windows(int count, bool vertical) // when putting the buffers in the windows. block_autocmds(); + int todo; + // todo is number of windows left to create for (todo = count - 1; todo > 0; todo--) { if (vertical) { @@ -1744,17 +1786,9 @@ int make_windows(int count, bool vertical) return count - todo; } -/* - * Exchange current and next window - */ +// Exchange current and next window static void win_exchange(long Prenum) { - frame_T *frp; - frame_T *frp2; - win_T *wp; - win_T *wp2; - int temp; - if (curwin->w_floating) { emsg(e_floatexchange); return; @@ -1766,9 +1800,9 @@ static void win_exchange(long Prenum) return; } - /* - * find window to exchange with - */ + frame_T *frp; + + // find window to exchange with if (Prenum) { frp = curwin->w_frame->fr_parent->fr_child; while (frp != NULL && --Prenum > 0) { @@ -1785,18 +1819,16 @@ static void win_exchange(long Prenum) if (frp == NULL || frp->fr_win == NULL || frp->fr_win == curwin) { return; } - wp = frp->fr_win; - - /* - * 1. remove curwin from the list. Remember after which window it was in wp2 - * 2. insert curwin before wp in the list - * if wp != wp2 - * 3. remove wp from the list - * 4. insert wp after wp2 - * 5. exchange the status line height, winbar height, hsep height and vsep width. - */ - wp2 = curwin->w_prev; - frp2 = curwin->w_frame->fr_prev; + win_T *wp = frp->fr_win; + + // 1. remove curwin from the list. Remember after which window it was in wp2 + // 2. insert curwin before wp in the list + // if wp != wp2 + // 3. remove wp from the list + // 4. insert wp after wp2 + // 5. exchange the status line height, winbar height, hsep height and vsep width. + win_T *wp2 = curwin->w_prev; + frame_T *frp2 = curwin->w_frame->fr_prev; if (wp->w_prev != curwin) { win_remove(curwin, NULL); frame_remove(curwin->w_frame); @@ -1813,7 +1845,7 @@ static void win_exchange(long Prenum) frame_append(frp2, wp->w_frame); } } - temp = curwin->w_status_height; + int temp = curwin->w_status_height; curwin->w_status_height = wp->w_status_height; wp->w_status_height = temp; temp = curwin->w_vsep_width; @@ -1845,11 +1877,6 @@ static void win_exchange(long Prenum) // if upwards false the first window becomes the second one static void win_rotate(bool upwards, int count) { - win_T *wp1; - win_T *wp2; - frame_T *frp; - int n; - if (curwin->w_floating) { emsg(e_floatexchange); return; @@ -1862,6 +1889,7 @@ static void win_rotate(bool upwards, int count) } // Check if all frames in this row/col have one window. + frame_T *frp; FOR_ALL_FRAMES(frp, curwin->w_frame->fr_parent->fr_child) { if (frp->fr_win == NULL) { emsg(_("E443: Cannot rotate when another window is split")); @@ -1869,6 +1897,9 @@ static void win_rotate(bool upwards, int count) } } + win_T *wp1; + win_T *wp2; + while (count--) { if (upwards) { // first window becomes last window // remove first window/frame from the list @@ -1901,7 +1932,7 @@ static void win_rotate(bool upwards, int count) } // exchange status height, winbar height, hsep height and vsep width of old and new last window - n = wp2->w_status_height; + int n = wp2->w_status_height; wp2->w_status_height = wp1->w_status_height; wp1->w_status_height = n; n = wp2->w_hsep_height; @@ -1925,9 +1956,7 @@ static void win_rotate(bool upwards, int count) redraw_all_later(UPD_NOT_VALID); } -/* - * Move the current window to the very top/bottom/left/right of the screen. - */ +// Move the current window to the very top/bottom/left/right of the screen. static void win_totop(int size, int flags) { int dir = 0; @@ -1937,7 +1966,7 @@ static void win_totop(int size, int flags) beep_flush(); return; } - if (curwin == aucmd_win) { + if (is_aucmd_win(curwin)) { return; } if (check_split_disallowed() == FAIL) { @@ -1971,14 +2000,10 @@ static void win_totop(int size, int flags) } } -/* - * Move window "win1" to below/right of "win2" and make "win1" the current - * window. Only works within the same frame! - */ +// Move window "win1" to below/right of "win2" and make "win1" the current +// window. Only works within the same frame! void win_move_after(win_T *win1, win_T *win2) { - int height; - // check if the arguments are reasonable if (win1 == win2) { return; @@ -1994,7 +2019,7 @@ void win_move_after(win_T *win1, win_T *win2) // may need to move the status line, window bar, horizontal or vertical separator of the last // window if (win1 == lastwin) { - height = win1->w_prev->w_status_height; + int height = win1->w_prev->w_status_height; win1->w_prev->w_status_height = win1->w_status_height; win1->w_status_height = height; @@ -2011,7 +2036,7 @@ void win_move_after(win_T *win1, win_T *win2) win1->w_frame->fr_width += 1; } } else if (win2 == lastwin) { - height = win1->w_status_height; + int height = win1->w_status_height; win1->w_status_height = win2->w_status_height; win2->w_status_height = height; @@ -2074,7 +2099,7 @@ static int get_maximum_wincount(frame_T *fr, int height) } /// Make all windows the same height. -///'next_curwin' will soon be the current window, make sure it has enough rows. +/// 'next_curwin' will soon be the current window, make sure it has enough rows. /// /// @param next_curwin pointer to current window to be or NULL /// @param current do only frame with current window @@ -2087,6 +2112,9 @@ void win_equal(win_T *next_curwin, bool current, int dir) win_equal_rec(next_curwin == NULL ? curwin : next_curwin, current, topframe, dir, 0, tabline_height(), Columns, topframe->fr_height); + if (*p_spk != 'c' && !is_aucmd_win(next_curwin)) { + win_fix_scroll(true); + } } /// Set a frame to a new position and height, spreading the available room @@ -2105,15 +2133,11 @@ void win_equal(win_T *next_curwin, bool current, int dir) static void win_equal_rec(win_T *next_curwin, bool current, frame_T *topfr, int dir, int col, int row, int width, int height) { - int n, m; int extra_sep = 0; - int wincount, totwincount = 0; - frame_T *fr; + int totwincount = 0; int next_curwin_size = 0; int room = 0; - int new_size; int has_next_curwin = 0; - bool hnc; if (topfr->fr_layout == FR_LEAF) { // Set the width/height of this frame. @@ -2134,7 +2158,7 @@ static void win_equal_rec(win_T *next_curwin, bool current, frame_T *topfr, int if (dir != 'v') { // equalize frame widths // Compute the maximum number of windows horizontally in this // frame. - n = frame_minwidth(topfr, NOWIN); + int n = frame_minwidth(topfr, NOWIN); // add one for the rightmost window, it doesn't have a separator if (col + width == Columns) { extra_sep = 1; @@ -2144,18 +2168,17 @@ static void win_equal_rec(win_T *next_curwin, bool current, frame_T *topfr, int totwincount = (n + extra_sep) / ((int)p_wmw + 1); has_next_curwin = frame_has_win(topfr, next_curwin); - /* - * Compute width for "next_curwin" window and room available for - * other windows. - * "m" is the minimal width when counting p_wiw for "next_curwin". - */ - m = frame_minwidth(topfr, next_curwin); + // Compute width for "next_curwin" window and room available for + // other windows. + // "m" is the minimal width when counting p_wiw for "next_curwin". + int m = frame_minwidth(topfr, next_curwin); room = width - m; if (room < 0) { next_curwin_size = (int)p_wiw + room; room = 0; } else { next_curwin_size = -1; + frame_T *fr; FOR_ALL_FRAMES(fr, topfr->fr_child) { if (!frame_fixed_width(fr)) { continue; @@ -2163,7 +2186,7 @@ static void win_equal_rec(win_T *next_curwin, bool current, frame_T *topfr, int // If 'winfixwidth' set keep the window width if possible. // Watch out for this window being the next_curwin. n = frame_minwidth(fr, NOWIN); - new_size = fr->fr_width; + int new_size = fr->fr_width; if (frame_has_win(fr, next_curwin)) { room += (int)p_wiw - (int)p_wmw; next_curwin_size = 0; @@ -2204,8 +2227,10 @@ static void win_equal_rec(win_T *next_curwin, bool current, frame_T *topfr, int } } + frame_T *fr; FOR_ALL_FRAMES(fr, topfr->fr_child) { - wincount = 1; + int wincount = 1; + int new_size; if (fr->fr_next == NULL) { // last frame gets all that remains (avoid roundoff error) new_size = width; @@ -2216,14 +2241,10 @@ static void win_equal_rec(win_T *next_curwin, bool current, frame_T *topfr, int wincount = 0; // doesn't count as a sizeable window } else { // Compute the maximum number of windows horiz. in "fr". - n = frame_minwidth(fr, NOWIN); + int n = frame_minwidth(fr, NOWIN); wincount = (n + (fr->fr_next == NULL ? extra_sep : 0)) / ((int)p_wmw + 1); - m = frame_minwidth(fr, next_curwin); - if (has_next_curwin) { - hnc = frame_has_win(fr, next_curwin); - } else { - hnc = false; - } + int m = frame_minwidth(fr, next_curwin); + bool hnc = has_next_curwin && frame_has_win(fr, next_curwin); if (hnc) { // don't count next_curwin wincount--; } @@ -2260,9 +2281,9 @@ static void win_equal_rec(win_T *next_curwin, bool current, frame_T *topfr, int if (dir != 'h') { // equalize frame heights // Compute maximum number of windows vertically in this frame. - n = frame_minheight(topfr, NOWIN); + int n = frame_minheight(topfr, NOWIN); // add one for the bottom window if it doesn't have a statusline or separator - if (row + height == cmdline_row && p_ls == 0) { + if (row + height >= cmdline_row && p_ls == 0) { extra_sep = STATUS_HEIGHT; } else if (global_stl_height() > 0) { extra_sep = 1; @@ -2272,12 +2293,10 @@ static void win_equal_rec(win_T *next_curwin, bool current, frame_T *topfr, int totwincount = get_maximum_wincount(topfr, n + extra_sep); has_next_curwin = frame_has_win(topfr, next_curwin); - /* - * Compute height for "next_curwin" window and room available for - * other windows. - * "m" is the minimal height when counting p_wh for "next_curwin". - */ - m = frame_minheight(topfr, next_curwin); + // Compute height for "next_curwin" window and room available for + // other windows. + // "m" is the minimal height when counting p_wh for "next_curwin". + int m = frame_minheight(topfr, next_curwin); room = height - m; if (room < 0) { // The room is less than 'winheight', use all space for the @@ -2286,6 +2305,7 @@ static void win_equal_rec(win_T *next_curwin, bool current, frame_T *topfr, int room = 0; } else { next_curwin_size = -1; + frame_T *fr; FOR_ALL_FRAMES(fr, topfr->fr_child) { if (!frame_fixed_height(fr)) { continue; @@ -2293,7 +2313,7 @@ static void win_equal_rec(win_T *next_curwin, bool current, frame_T *topfr, int // If 'winfixheight' set keep the window height if possible. // Watch out for this window being the next_curwin. n = frame_minheight(fr, NOWIN); - new_size = fr->fr_height; + int new_size = fr->fr_height; if (frame_has_win(fr, next_curwin)) { room += (int)p_wh - (int)p_wmh; next_curwin_size = 0; @@ -2334,8 +2354,10 @@ static void win_equal_rec(win_T *next_curwin, bool current, frame_T *topfr, int } } + frame_T *fr; FOR_ALL_FRAMES(fr, topfr->fr_child) { - wincount = 1; + int new_size; + int wincount = 1; if (fr->fr_next == NULL) { // last frame gets all that remains (avoid roundoff error) new_size = height; @@ -2346,14 +2368,10 @@ static void win_equal_rec(win_T *next_curwin, bool current, frame_T *topfr, int wincount = 0; // doesn't count as a sizeable window } else { // Compute the maximum number of windows vert. in "fr". - n = frame_minheight(fr, NOWIN); + int n = frame_minheight(fr, NOWIN); wincount = get_maximum_wincount(fr, (n + (fr->fr_next == NULL ? extra_sep : 0))); - m = frame_minheight(fr, next_curwin); - if (has_next_curwin) { - hnc = frame_has_win(fr, next_curwin); - } else { - hnc = false; - } + int m = frame_minheight(fr, next_curwin); + bool hnc = has_next_curwin && frame_has_win(fr, next_curwin); if (hnc) { // don't count next_curwin wincount--; } @@ -2463,14 +2481,11 @@ void curwin_init(void) /// @param keep_curwin don't close `curwin` void close_windows(buf_T *buf, bool keep_curwin) { - tabpage_T *tp, *nexttp; - int h = tabline_height(); - RedrawingDisabled++; // Start from lastwin to close floating windows with the same buffer first. // When the autocommand window is involved win_close() may need to print an error message. - for (win_T *wp = lastwin; wp != NULL && (lastwin == aucmd_win || !one_window(wp));) { + for (win_T *wp = lastwin; wp != NULL && (is_aucmd_win(lastwin) || !one_window(wp));) { if (wp->w_buffer == buf && (!keep_curwin || wp != curwin) && !(wp->w_closing || wp->w_buffer->b_locked > 0)) { if (win_close(wp, false, false) == FAIL) { @@ -2485,11 +2500,14 @@ void close_windows(buf_T *buf, bool keep_curwin) } } + tabpage_T *nexttp; + // Also check windows in other tab pages. - for (tp = first_tabpage; tp != NULL; tp = nexttp) { + for (tabpage_T *tp = first_tabpage; tp != NULL; tp = nexttp) { nexttp = tp->tp_next; if (tp != curtab) { - FOR_ALL_WINDOWS_IN_TAB(wp, tp) { + // Start from tp_lastwin to close floating windows with the same buffer first. + for (win_T *wp = tp->tp_lastwin; wp != NULL; wp = wp->w_prev) { if (wp->w_buffer == buf && !(wp->w_closing || wp->w_buffer->b_locked > 0)) { win_close_othertab(wp, false, tp); @@ -2504,11 +2522,6 @@ void close_windows(buf_T *buf, bool keep_curwin) } RedrawingDisabled--; - - redraw_tabline = true; - if (h != tabline_height()) { - win_new_screen_rows(); - } } /// Check that the specified window is the last one. @@ -2521,14 +2534,14 @@ bool last_window(win_T *win) FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT return one_window(win) && first_tabpage->tp_next == NULL; } -/// Check that current tab page contains no more then one window other than `aucmd_win`. -/// @param counted_float counted even if floating, but not if it is `aucmd_win` +/// Check if current tab page contains no more than one window other than `aucmd_win[]`. +/// @param counted_float counted even if floating, but not if it is `aucmd_win[]` bool one_window(win_T *counted_float) FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT { bool seen_one = false; FOR_ALL_WINDOWS_IN_TAB(wp, curtab) { - if (wp != aucmd_win && (!wp->w_floating || wp == counted_float)) { + if (!is_aucmd_win(wp) && (!wp->w_floating || wp == counted_float)) { if (seen_one) { return false; } @@ -2558,7 +2571,7 @@ bool last_nonfloat(win_T *wp) FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT /// @return true if all floating windows can be closed static bool can_close_floating_windows(void) { - assert(lastwin != aucmd_win); + assert(!is_aucmd_win(lastwin)); for (win_T *wp = lastwin; wp->w_floating; wp = wp->w_prev) { buf_T *buf = wp->w_buffer; int need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1); @@ -2592,30 +2605,22 @@ static bool close_last_window_tabpage(win_T *win, bool free_buf, tabpage_T *prev free_buf = false; } - /* - * Closing the last window in a tab page. First go to another tab - * page and then close the window and the tab page. This avoids that - * curwin and curtab are invalid while we are freeing memory, they may - * be used in GUI events. - * Don't trigger autocommands yet, they may use wrong values, so do - * that below. - */ + // Closing the last window in a tab page. First go to another tab + // page and then close the window and the tab page. This avoids that + // curwin and curtab are invalid while we are freeing memory, they may + // be used in GUI events. + // Don't trigger autocommands yet, they may use wrong values, so do + // that below. goto_tabpage_tp(alt_tabpage(), false, true); - redraw_tabline = true; // save index for tabclosed event char_u prev_idx[NUMBUFLEN]; - sprintf((char *)prev_idx, "%i", tabpage_index(prev_curtab)); + snprintf((char *)prev_idx, NUMBUFLEN, "%i", tabpage_index(prev_curtab)); // Safety check: Autocommands may have closed the window when jumping // to the other tab page. if (valid_tabpage(prev_curtab) && prev_curtab->tp_firstwin == win) { - int h = tabline_height(); - win_close_othertab(win, free_buf, prev_curtab); - if (h != tabline_height()) { - win_new_screen_rows(); - } } entering_window(curwin); @@ -2671,11 +2676,6 @@ static void win_close_buffer(win_T *win, bool free_buf, bool abort_if_last) // Returns FAIL when the window was not closed. int win_close(win_T *win, bool free_buf, bool force) { - win_T *wp; - bool other_buffer = false; - bool close_curwin = false; - int dir; - bool help_window = false; tabpage_T *prev_curtab = curtab; frame_T *win_frame = win->w_floating ? NULL : win->w_frame->fr_parent; const bool had_diffmode = win->w_p_diff; @@ -2689,12 +2689,12 @@ int win_close(win_T *win, bool free_buf, bool force) || (win->w_buffer != NULL && win->w_buffer->b_locked > 0)) { return FAIL; // window is already being closed } - if (win == aucmd_win) { + if (is_aucmd_win(win)) { emsg(_(e_autocmd_close)); return FAIL; } if (lastwin->w_floating && one_window(win)) { - if (lastwin == aucmd_win) { + if (is_aucmd_win(lastwin)) { emsg(_("E814: Cannot close window, only autocmd window would remain")); return FAIL; } @@ -2720,6 +2720,8 @@ int win_close(win_T *win, bool free_buf, bool force) return FAIL; } + bool help_window = false; + // When closing the help window, try restoring a snapshot after closing // the window. Otherwise clear the snapshot, it's now invalid. if (bt_help(win->w_buffer)) { @@ -2728,6 +2730,9 @@ int win_close(win_T *win, bool free_buf, bool force) clear_snapshot(curtab, SNAP_HELP_IDX); } + win_T *wp; + bool other_buffer = false; + if (win == curwin) { leaving_window(curwin); @@ -2743,10 +2748,8 @@ int win_close(win_T *win, bool free_buf, bool force) } } - /* - * Be careful: If autocommands delete the window or cause this window - * to be the last one left, return now. - */ + // Be careful: If autocommands delete the window or cause this window + // to be the last one left, return now. if (wp->w_buffer != curbuf) { reset_VIsual_and_resel(); // stop Visual mode @@ -2776,27 +2779,6 @@ int win_close(win_T *win, bool free_buf, bool force) } } - bool was_floating = win->w_floating; - if (ui_has(kUIMultigrid)) { - ui_call_win_close(win->w_grid_alloc.handle); - } - - if (win->w_floating) { - ui_comp_remove_grid(&win->w_grid_alloc); - if (win->w_float_config.external) { - for (tabpage_T *tp = first_tabpage; tp != NULL; tp = tp->tp_next) { - if (tp == curtab) { - continue; - } - if (tp->tp_curwin == win) { - // NB: an autocmd can still abort the closing of this window, - // bur carring out this change anyway shouldn't be a catastrophe. - tp->tp_curwin = tp->tp_firstwin; - } - } - } - } - // Fire WinClosed just before starting to free window-related resources. do_autocmd_winclosed(win); // autocmd may have freed the window already. @@ -2821,7 +2803,10 @@ int win_close(win_T *win, bool free_buf, bool force) if (curtab != prev_curtab && win_valid_any_tab(win) && win->w_buffer == NULL) { // Need to close the window anyway, since the buffer is NULL. + // Don't trigger autocmds with a NULL buffer. + block_autocmds(); win_close_othertab(win, false, prev_curtab); + unblock_autocmds(); return FAIL; } @@ -2839,8 +2824,31 @@ int win_close(win_T *win, bool free_buf, bool force) // let terminal buffers know that this window dimensions may be ignored win->w_closing = true; + bool was_floating = win->w_floating; + if (ui_has(kUIMultigrid)) { + ui_call_win_close(win->w_grid_alloc.handle); + } + + if (win->w_floating) { + ui_comp_remove_grid(&win->w_grid_alloc); + assert(first_tabpage != NULL); // suppress clang "Dereference of NULL pointer" + if (win->w_float_config.external) { + for (tabpage_T *tp = first_tabpage; tp != NULL; tp = tp->tp_next) { + if (tp == curtab) { + continue; + } + if (tp->tp_curwin == win) { + // NB: an autocmd can still abort the closing of this window, + // bur carring out this change anyway shouldn't be a catastrophe. + tp->tp_curwin = tp->tp_firstwin; + } + } + } + } + // Free the memory used for the window and get the window that received // the screen space. + int dir; wp = win_free_mem(win, &dir, NULL); if (help_window) { @@ -2852,16 +2860,16 @@ int win_close(win_T *win, bool free_buf, bool force) } } + bool close_curwin = false; + // Make sure curwin isn't invalid. It can cause severe trouble when // printing an error message. For win_equal() curbuf needs to be valid // too. if (win == curwin) { curwin = wp; if (wp->w_p_pvw || bt_quickfix(wp->w_buffer)) { - /* - * If the cursor goes to the preview or the quickfix window, try - * finding another window to go to. - */ + // If the cursor goes to the preview or the quickfix window, try + // finding another window to go to. for (;;) { if (wp->w_next == NULL) { wp = firstwin; @@ -2886,12 +2894,20 @@ int win_close(win_T *win, bool free_buf, bool force) } if (!was_floating) { + // If last window has a status line now and we don't want one, + // remove the status line. Do this before win_equal(), because + // it may change the height of a window. + last_status(false); + if (!curwin->w_floating && p_ea && (*p_ead == 'b' || *p_ead == dir)) { // If the frame of the closed window contains the new current window, // only resize that frame. Otherwise resize all windows. win_equal(curwin, curwin->w_frame->fr_parent == win_frame, dir); } else { (void)win_comp_pos(); + if (*p_spk != 'c') { + win_fix_scroll(false); + } } } @@ -2906,12 +2922,6 @@ int win_close(win_T *win, bool free_buf, bool force) split_disallowed--; - /* - * If last window has a status line now and we don't want one, - * remove the status line. - */ - last_status(false); - // After closing the help window, try restoring the window layout from // before it was opened. if (help_window) { @@ -2935,7 +2945,10 @@ int win_close(win_T *win, bool free_buf, bool force) } curwin->w_pos_changed = true; - redraw_all_later(UPD_NOT_VALID); + if (!was_floating) { + // TODO(bfredl): how about no? + redraw_all_later(UPD_NOT_VALID); + } return OK; } @@ -2953,19 +2966,13 @@ static void do_autocmd_winclosed(win_T *win) recursive = false; } -/* - * Close window "win" in tab page "tp", which is not the current tab page. - * This may be the last window in that tab page and result in closing the tab, - * thus "tp" may become invalid! - * Caller must check if buffer is hidden and whether the tabline needs to be - * updated. - */ +// Close window "win" in tab page "tp", which is not the current tab page. +// This may be the last window in that tab page and result in closing the tab, +// thus "tp" may become invalid! +// Caller must check if buffer is hidden and whether the tabline needs to be +// updated. void win_close_othertab(win_T *win, int free_buf, tabpage_T *tp) { - int dir; - tabpage_T *ptp = NULL; - bool free_tp = false; - // Get here with win->w_buffer == NULL when win_close() detects the tab page // changed. if (win->w_closing @@ -2985,6 +2992,8 @@ void win_close_othertab(win_T *win, int free_buf, tabpage_T *tp) close_buffer(win, win->w_buffer, free_buf ? DOBUF_UNLOAD : 0, false, true); } + tabpage_T *ptp = NULL; + // Careful: Autocommands may have closed the tab page or made it the // current tab page. for (ptp = first_tabpage; ptp != NULL && ptp != tp; ptp = ptp->tp_next) {} @@ -3013,6 +3022,8 @@ void win_close_othertab(win_T *win, int free_buf, tabpage_T *tp) } } + bool free_tp = false; + // When closing the last window in a tab page remove the tab page. if (tp->tp_firstwin == tp->tp_lastwin) { char prev_idx[NUMBUFLEN]; @@ -3020,6 +3031,8 @@ void win_close_othertab(win_T *win, int free_buf, tabpage_T *tp) vim_snprintf(prev_idx, NUMBUFLEN, "%i", tabpage_index(tp)); } + int h = tabline_height(); + if (tp == first_tabpage) { first_tabpage = tp->tp_next; } else { @@ -3034,6 +3047,10 @@ void win_close_othertab(win_T *win, int free_buf, tabpage_T *tp) ptp->tp_next = tp->tp_next; } free_tp = true; + redraw_tabline = true; + if (h != tabline_height()) { + win_new_screen_rows(); + } if (has_event(EVENT_TABCLOSED)) { apply_autocmds(EVENT_TABCLOSED, prev_idx, prev_idx, false, win->w_buffer); @@ -3041,6 +3058,7 @@ void win_close_othertab(win_T *win, int free_buf, tabpage_T *tp) } // Free the memory used for the window. + int dir; win_free_mem(win, &dir, tp); if (free_tp) { @@ -3056,32 +3074,36 @@ void win_close_othertab(win_T *win, int free_buf, tabpage_T *tp) /// @return a pointer to the window that got the freed up space. static win_T *win_free_mem(win_T *win, int *dirp, tabpage_T *tp) { - frame_T *frp; win_T *wp; + tabpage_T *win_tp = tp == NULL ? curtab : tp; if (!win->w_floating) { // Remove the window and its frame from the tree of frames. - frp = win->w_frame; + frame_T *frp = win->w_frame; wp = winframe_remove(win, dirp, tp); xfree(frp); } else { *dirp = 'h'; // Dummy value. - if (win_valid(prevwin) && prevwin != win) { - wp = prevwin; + if (tp == NULL) { + if (win_valid(prevwin) && prevwin != win) { + wp = prevwin; + } else { + wp = firstwin; + } } else { - wp = firstwin; + if (tabpage_win_valid(tp, tp->tp_prevwin) && tp->tp_prevwin != win) { + wp = tp->tp_prevwin; + } else { + wp = tp->tp_firstwin; + } } } win_free(win, tp); - // When deleting the current window of another tab page select a new - // current window. - if (tp != NULL && win == tp->tp_curwin) { - if (win_valid(tp->tp_prevwin) && tp->tp_prevwin != win) { - tp->tp_curwin = tp->tp_prevwin; - } else { - tp->tp_curwin = tp->tp_firstwin; - } + // When deleting the current window in the tab, select a new current + // window. + if (win == win_tp->tp_curwin) { + win_tp->tp_curwin = wp; } return wp; @@ -3090,8 +3112,6 @@ static win_T *win_free_mem(win_T *win, int *dirp, tabpage_T *tp) #if defined(EXITFREE) void win_free_all(void) { - int dummy; - // avoid an error for switching tabpage with the cmdline window open cmdwin_type = 0; @@ -3102,18 +3122,27 @@ void win_free_all(void) while (lastwin != NULL && lastwin->w_floating) { win_T *wp = lastwin; win_remove(lastwin, NULL); + int dummy; (void)win_free_mem(wp, &dummy, NULL); - if (wp == aucmd_win) { - aucmd_win = NULL; + for (int i = 0; i < AUCMD_WIN_COUNT; i++) { + if (aucmd_win[i].auc_win == wp) { + aucmd_win[i].auc_win = NULL; + } } } - if (aucmd_win != NULL) { - (void)win_free_mem(aucmd_win, &dummy, NULL); - aucmd_win = NULL; + for (int i = 0; i < AUCMD_WIN_COUNT; i++) { + if (aucmd_win[i].auc_win != NULL) { + int dummy; + (void)win_free_mem(aucmd_win[i].auc_win, &dummy, NULL); + aucmd_win[i].auc_win = NULL; + } } + kv_destroy(aucmd_win_vec); + while (firstwin != NULL) { + int dummy; (void)win_free_mem(firstwin, &dummy, NULL); } @@ -3132,22 +3161,16 @@ void win_free_all(void) /// @return a pointer to the window that got the freed up space. win_T *winframe_remove(win_T *win, int *dirp, tabpage_T *tp) { - frame_T *frp, *frp2, *frp3; - frame_T *frp_close = win->w_frame; - win_T *wp; - - /* - * If there is only one window there is nothing to remove. - */ + // If there is only one window there is nothing to remove. if (tp == NULL ? ONE_WINDOW : tp->tp_firstwin == tp->tp_lastwin) { return NULL; } - /* - * Remove the window from its frame. - */ - frp2 = win_altframe(win, tp); - wp = frame2win(frp2); + frame_T *frp_close = win->w_frame; + + // Remove the window from its frame. + frame_T *frp2 = win_altframe(win, tp); + win_T *wp = frame2win(frp2); // Remove this frame from the list of frames. frame_remove(frp_close); @@ -3157,8 +3180,8 @@ win_T *winframe_remove(win_T *win, int *dirp, tabpage_T *tp) // (as close to the closed frame as possible) to distribute the height // to. if (frp2->fr_win != NULL && frp2->fr_win->w_p_wfh) { - frp = frp_close->fr_prev; - frp3 = frp_close->fr_next; + frame_T *frp = frp_close->fr_prev; + frame_T *frp3 = frp_close->fr_next; while (frp != NULL || frp3 != NULL) { if (frp != NULL) { if (!frame_fixed_height(frp)) { @@ -3186,8 +3209,8 @@ win_T *winframe_remove(win_T *win, int *dirp, tabpage_T *tp) // (as close to the closed frame as possible) to distribute the width // to. if (frp2->fr_win != NULL && frp2->fr_win->w_p_wfw) { - frp = frp_close->fr_prev; - frp3 = frp_close->fr_next; + frame_T *frp = frp_close->fr_prev; + frame_T *frp3 = frp_close->fr_next; while (frp != NULL || frp3 != NULL) { if (frp != NULL) { if (!frame_fixed_width(frp)) { @@ -3226,6 +3249,7 @@ win_T *winframe_remove(win_T *win, int *dirp, tabpage_T *tp) // and remove it. frp2->fr_parent->fr_layout = frp2->fr_layout; frp2->fr_parent->fr_child = frp2->fr_child; + frame_T *frp; FOR_ALL_FRAMES(frp, frp2->fr_child) { frp->fr_parent = frp2->fr_parent; } @@ -3251,6 +3275,7 @@ win_T *winframe_remove(win_T *win, int *dirp, tabpage_T *tp) if (frp->fr_prev != NULL) { frp->fr_prev->fr_next = frp->fr_child; } + frame_T *frp3; for (frp3 = frp->fr_child;; frp3 = frp3->fr_next) { frp3->fr_parent = frp2; if (frp3->fr_next == NULL) { @@ -3283,13 +3308,11 @@ win_T *winframe_remove(win_T *win, int *dirp, tabpage_T *tp) /// is left over after "win" is closed. static frame_T *win_altframe(win_T *win, tabpage_T *tp) { - frame_T *frp; - if (tp == NULL ? ONE_WINDOW : tp->tp_firstwin == tp->tp_lastwin) { return alt_tabpage()->tp_curwin->w_frame; } - frp = win->w_frame; + frame_T *frp = win->w_frame; if (frp->fr_prev == NULL) { return frp->fr_next; @@ -3332,26 +3355,21 @@ static frame_T *win_altframe(win_T *win, tabpage_T *tp) return target_fr; } -/* - * Return the tabpage that will be used if the current one is closed. - */ +// Return the tabpage that will be used if the current one is closed. static tabpage_T *alt_tabpage(void) { - tabpage_T *tp; - // Use the next tab page if possible. if (curtab->tp_next != NULL) { return curtab->tp_next; } // Find the last but one tab page. + tabpage_T *tp; for (tp = first_tabpage; tp->tp_next != curtab; tp = tp->tp_next) {} return tp; } -/* - * Find the left-upper window in frame "frp". - */ +// Find the left-upper window in frame "frp". win_T *frame2win(frame_T *frp) { while (frp->fr_win == NULL) { @@ -3384,8 +3402,7 @@ static bool frame_has_win(const frame_T *frp, const win_T *wp) static bool is_bottom_win(win_T *wp) FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_NONNULL_ALL { - frame_T *frp; - for (frp = wp->w_frame; frp->fr_parent != NULL; frp = frp->fr_parent) { + for (frame_T *frp = wp->w_frame; frp->fr_parent != NULL; frp = frp->fr_parent) { if (frp->fr_parent->fr_layout == FR_COL && frp->fr_next != NULL) { return false; } @@ -3401,19 +3418,15 @@ static bool is_bottom_win(win_T *wp) void frame_new_height(frame_T *topfrp, int height, bool topfirst, bool wfh) FUNC_ATTR_NONNULL_ALL { - frame_T *frp; - int extra_lines; - int h; - win_T *wp; - if (topfrp->fr_win != NULL) { // Simple case: just one window. - wp = topfrp->fr_win; + win_T *wp = topfrp->fr_win; if (is_bottom_win(wp)) { wp->w_hsep_height = 0; } win_new_height(wp, height - wp->w_hsep_height - wp->w_status_height); } else if (topfrp->fr_layout == FR_ROW) { + frame_T *frp; do { // All frames in this row get the same new height. FOR_ALL_FRAMES(frp, topfrp->fr_child) { @@ -3429,7 +3442,7 @@ void frame_new_height(frame_T *topfrp, int height, bool topfirst, bool wfh) // Complicated case: Resize a column of frames. Resize the bottom // frame first, frames above that when needed. - frp = topfrp->fr_child; + frame_T *frp = topfrp->fr_child; if (wfh) { // Advance past frames with one window with 'wfh' set. while (frame_fixed_height(frp)) { @@ -3452,11 +3465,11 @@ void frame_new_height(frame_T *topfrp, int height, bool topfirst, bool wfh) } } - extra_lines = height - topfrp->fr_height; + int extra_lines = height - topfrp->fr_height; if (extra_lines < 0) { // reduce height of contained frames, bottom or top frame first while (frp != NULL) { - h = frame_minheight(frp, NULL); + int h = frame_minheight(frp, NULL); if (frp->fr_height + extra_lines < h) { extra_lines += frp->fr_height - h; frame_new_height(frp, h, topfirst, wfh); @@ -3555,16 +3568,12 @@ static bool frame_fixed_width(frame_T *frp) return true; } -/* - * Add a status line to windows at the bottom of "frp". - * Note: Does not check if there is room! - */ +// Add a status line to windows at the bottom of "frp". +// Note: Does not check if there is room! static void frame_add_statusline(frame_T *frp) { - win_T *wp; - if (frp->fr_layout == FR_LEAF) { - wp = frp->fr_win; + win_T *wp = frp->fr_win; if (wp->w_status_height == 0) { if (wp->w_height - STATUS_HEIGHT >= 0) { // don't make it negative wp->w_height -= STATUS_HEIGHT; @@ -3592,15 +3601,11 @@ static void frame_add_statusline(frame_T *frp) /// may cause the width not to be set. static void frame_new_width(frame_T *topfrp, int width, bool leftfirst, bool wfw) { - frame_T *frp; - int extra_cols; - int w; - win_T *wp; - if (topfrp->fr_layout == FR_LEAF) { // Simple case: just one window. - wp = topfrp->fr_win; + win_T *wp = topfrp->fr_win; // Find out if there are any windows right of this one. + frame_T *frp; for (frp = topfrp; frp->fr_parent != NULL; frp = frp->fr_parent) { if (frp->fr_parent->fr_layout == FR_ROW && frp->fr_next != NULL) { break; @@ -3611,6 +3616,7 @@ static void frame_new_width(frame_T *topfrp, int width, bool leftfirst, bool wfw } win_new_width(wp, width - wp->w_vsep_width); } else if (topfrp->fr_layout == FR_COL) { + frame_T *frp; do { // All frames in this column get the same new width. FOR_ALL_FRAMES(frp, topfrp->fr_child) { @@ -3626,7 +3632,7 @@ static void frame_new_width(frame_T *topfrp, int width, bool leftfirst, bool wfw // Complicated case: Resize a row of frames. Resize the rightmost // frame first, frames left of it when needed. - frp = topfrp->fr_child; + frame_T *frp = topfrp->fr_child; if (wfw) { // Advance past frames with one window with 'wfw' set. while (frame_fixed_width(frp)) { @@ -3649,11 +3655,11 @@ static void frame_new_width(frame_T *topfrp, int width, bool leftfirst, bool wfw } } - extra_cols = width - topfrp->fr_width; + int extra_cols = width - topfrp->fr_width; if (extra_cols < 0) { // reduce frame width, rightmost frame first while (frp != NULL) { - w = frame_minwidth(frp, NULL); + int w = frame_minwidth(frp, NULL); if (frp->fr_width + extra_cols < w) { extra_cols += frp->fr_width - w; frame_new_width(frp, w, leftfirst, wfw); @@ -3689,10 +3695,8 @@ static void frame_new_width(frame_T *topfrp, int width, bool leftfirst, bool wfw static void frame_add_vsep(const frame_T *frp) FUNC_ATTR_NONNULL_ARG(1) { - win_T *wp; - if (frp->fr_layout == FR_LEAF) { - wp = frp->fr_win; + win_T *wp = frp->fr_win; if (wp->w_vsep_width == 0) { if (wp->w_width > 0) { // don't make it negative wp->w_width--; @@ -3720,10 +3724,8 @@ static void frame_add_vsep(const frame_T *frp) static void frame_add_hsep(const frame_T *frp) FUNC_ATTR_NONNULL_ARG(1) { - win_T *wp; - if (frp->fr_layout == FR_LEAF) { - wp = frp->fr_win; + win_T *wp = frp->fr_win; if (wp->w_hsep_height == 0) { if (wp->w_height > 0) { // don't make it negative wp->w_height++; @@ -3746,17 +3748,13 @@ static void frame_add_hsep(const frame_T *frp) } } -/* - * Set frame width from the window it contains. - */ +// Set frame width from the window it contains. static void frame_fix_width(win_T *wp) { wp->w_frame->fr_width = wp->w_width + wp->w_vsep_width; } -/* - * Set frame height from the window it contains. - */ +// Set frame height from the window it contains. static void frame_fix_height(win_T *wp) FUNC_ATTR_NONNULL_ALL { @@ -3768,9 +3766,7 @@ static void frame_fix_height(win_T *wp) /// When "next_curwin" is NOWIN, don't use at least one line for the current window. static int frame_minheight(frame_T *topfrp, win_T *next_curwin) { - frame_T *frp; int m; - int n; if (topfrp->fr_win != NULL) { // Combined height of window bar and separator column or status line. @@ -3791,8 +3787,9 @@ static int frame_minheight(frame_T *topfrp, win_T *next_curwin) } else if (topfrp->fr_layout == FR_ROW) { // get the minimal height from each frame in this row m = 0; + frame_T *frp; FOR_ALL_FRAMES(frp, topfrp->fr_child) { - n = frame_minheight(frp, next_curwin); + int n = frame_minheight(frp, next_curwin); if (n > m) { m = n; } @@ -3800,6 +3797,7 @@ static int frame_minheight(frame_T *topfrp, win_T *next_curwin) } else { // Add up the minimal heights for all frames in this column. m = 0; + frame_T *frp; FOR_ALL_FRAMES(frp, topfrp->fr_child) { m += frame_minheight(frp, next_curwin); } @@ -3816,8 +3814,7 @@ static int frame_minheight(frame_T *topfrp, win_T *next_curwin) /// @param next_curwin use p_wh and p_wiw for next_curwin static int frame_minwidth(frame_T *topfrp, win_T *next_curwin) { - frame_T *frp; - int m, n; + int m; if (topfrp->fr_win != NULL) { if (topfrp->fr_win == next_curwin) { @@ -3833,8 +3830,9 @@ static int frame_minwidth(frame_T *topfrp, win_T *next_curwin) } else if (topfrp->fr_layout == FR_COL) { // get the minimal width from each frame in this column m = 0; + frame_T *frp; FOR_ALL_FRAMES(frp, topfrp->fr_child) { - n = frame_minwidth(frp, next_curwin); + int n = frame_minwidth(frp, next_curwin); if (n > m) { m = n; } @@ -3842,6 +3840,7 @@ static int frame_minwidth(frame_T *topfrp, win_T *next_curwin) } else { // Add up the minimal widths for all frames in this row. m = 0; + frame_T *frp; FOR_ALL_FRAMES(frp, topfrp->fr_child) { m += frame_minwidth(frp, next_curwin); } @@ -3859,10 +3858,6 @@ static int frame_minwidth(frame_T *topfrp, win_T *next_curwin) /// @param forceit always hide all other windows void close_others(int message, int forceit) { - win_T *wp; - win_T *nextwp; - int r; - if (curwin->w_floating) { if (message && !autocmd_busy) { emsg(e_floatonly); @@ -3879,14 +3874,15 @@ void close_others(int message, int forceit) } // Be very careful here: autocommands may change the window layout. - for (wp = firstwin; win_valid(wp); wp = nextwp) { + win_T *nextwp; + for (win_T *wp = firstwin; win_valid(wp); wp = nextwp) { nextwp = wp->w_next; if (wp == curwin) { // don't close current window continue; } // Check if it's allowed to abandon this window - r = can_abandon(wp->w_buffer, forceit); + int r = can_abandon(wp->w_buffer, forceit); if (!win_valid(wp)) { // autocommands messed wp up nextwp = firstwin; continue; @@ -3911,48 +3907,59 @@ void close_others(int message, int forceit) } } -/* - * Allocate the first window and put an empty buffer in it. - * Called from main(). - * - * Return FAIL when something goes wrong. - */ -int win_alloc_first(void) +/// Store the relevant window pointers for tab page "tp". To be used before +/// use_tabpage(). +void unuse_tabpage(tabpage_T *tp) +{ + tp->tp_topframe = topframe; + tp->tp_firstwin = firstwin; + tp->tp_lastwin = lastwin; + tp->tp_curwin = curwin; +} + +/// Set the relevant pointers to use tab page "tp". May want to call +/// unuse_tabpage() first. +void use_tabpage(tabpage_T *tp) +{ + curtab = tp; + topframe = curtab->tp_topframe; + firstwin = curtab->tp_firstwin; + lastwin = curtab->tp_lastwin; + curwin = curtab->tp_curwin; +} + +// Allocate the first window and put an empty buffer in it. +// Only called from main(). +void win_alloc_first(void) { if (win_alloc_firstwin(NULL) == FAIL) { - return FAIL; + // allocating first buffer before any autocmds should not fail. + abort(); } first_tabpage = alloc_tabpage(); - first_tabpage->tp_topframe = topframe; curtab = first_tabpage; - curtab->tp_firstwin = firstwin; - curtab->tp_lastwin = lastwin; - curtab->tp_curwin = curwin; - - return OK; + unuse_tabpage(first_tabpage); } -// Init `aucmd_win`. This can only be done after the first window +// Init `aucmd_win[idx]`. This can only be done after the first window // is fully initialized, thus it can't be in win_alloc_first(). -void win_alloc_aucmd_win(void) +void win_alloc_aucmd_win(int idx) { Error err = ERROR_INIT; FloatConfig fconfig = FLOAT_CONFIG_INIT; fconfig.width = Columns; fconfig.height = 5; fconfig.focusable = false; - aucmd_win = win_new_float(NULL, true, fconfig, &err); - aucmd_win->w_buffer->b_nwindows--; - RESET_BINDING(aucmd_win); + aucmd_win[idx].auc_win = win_new_float(NULL, true, fconfig, &err); + aucmd_win[idx].auc_win->w_buffer->b_nwindows--; + RESET_BINDING(aucmd_win[idx].auc_win); } -/* - * Allocate the first window or the first window in a new tab page. - * When "oldwin" is NULL create an empty buffer for it. - * When "oldwin" is not NULL copy info from it to the new window. - * Return FAIL when something goes wrong (out of memory). - */ +// Allocate the first window or the first window in a new tab page. +// When "oldwin" is NULL create an empty buffer for it. +// When "oldwin" is not NULL copy info from it to the new window. +// Return FAIL when something goes wrong (out of memory). static int win_alloc_firstwin(win_T *oldwin) { curwin = win_alloc(NULL, false); @@ -3984,9 +3991,7 @@ static int win_alloc_firstwin(win_T *oldwin) return OK; } -/* - * Create a frame for window "wp". - */ +// Create a frame for window "wp". static void new_frame(win_T *wp) { frame_T *frp = xcalloc(1, sizeof(frame_T)); @@ -3996,12 +4001,11 @@ static void new_frame(win_T *wp) frp->fr_win = wp; } -/* - * Initialize the window and frame size to the maximum. - */ +// Initialize the window and frame size to the maximum. void win_init_size(void) { firstwin->w_height = (int)ROWS_AVAIL; + firstwin->w_prev_height = (int)ROWS_AVAIL; firstwin->w_height_inner = firstwin->w_height - firstwin->w_winbar_height; firstwin->w_height_outer = firstwin->w_height; firstwin->w_winrow_off = firstwin->w_winbar_height; @@ -4012,9 +4016,7 @@ void win_init_size(void) topframe->fr_width = Columns; } -/* - * Allocate a new tabpage_T and init the values. - */ +// Allocate a new tabpage_T and init the values. static tabpage_T *alloc_tabpage(void) { static int last_tp_handle = 0; @@ -4033,11 +4035,9 @@ static tabpage_T *alloc_tabpage(void) void free_tabpage(tabpage_T *tp) { - int idx; - pmap_del(handle_T)(&tabpage_handles, tp->handle); diff_clear(tp); - for (idx = 0; idx < SNAP_COUNT; idx++) { + for (int idx = 0; idx < SNAP_COUNT; idx++) { clear_snapshot(tp, idx); } vars_clear(&tp->tp_vars->dv_hashtab); // free all t: variables @@ -4064,15 +4064,13 @@ void free_tabpage(tabpage_T *tp) int win_new_tabpage(int after, char_u *filename) { tabpage_T *old_curtab = curtab; - tabpage_T *newtp; - int n; if (cmdwin_type != 0) { emsg(_(e_cmdwin)); return FAIL; } - newtp = alloc_tabpage(); + tabpage_T *newtp = alloc_tabpage(); // Remember the current windows in this Tab page. if (leave_tabpage(curbuf, true) == FAIL) { @@ -4097,7 +4095,7 @@ int win_new_tabpage(int after, char_u *filename) if (after > 0) { // Put new tab page before tab page "after". - n = 2; + int n = 2; for (tp = first_tabpage; tp->tp_next != NULL && n < after; tp = tp->tp_next) { n++; @@ -4110,6 +4108,7 @@ int win_new_tabpage(int after, char_u *filename) win_init_size(); firstwin->w_winrow = tabline_height(); + firstwin->w_prev_winrow = firstwin->w_winrow; win_comp_scroll(curwin); newtp->tp_topframe = topframe; @@ -4136,11 +4135,9 @@ int win_new_tabpage(int after, char_u *filename) return FAIL; } -/* - * Open a new tab page if ":tab cmd" was used. It will edit the same buffer, - * like with ":split". - * Returns OK if a new tab page was created, FAIL otherwise. - */ +// Open a new tab page if ":tab cmd" was used. It will edit the same buffer, +// like with ":split". +// Returns OK if a new tab page was created, FAIL otherwise. int may_open_tabpage(void) { int n = (cmdmod.cmod_tab == 0) ? postponed_split_tab : cmdmod.cmod_tab; @@ -4153,26 +4150,22 @@ int may_open_tabpage(void) return FAIL; } -/* - * Create up to "maxcount" tabpages with empty windows. - * Returns the number of resulting tab pages. - */ +// Create up to "maxcount" tabpages with empty windows. +// Returns the number of resulting tab pages. int make_tabpages(int maxcount) { int count = maxcount; - int todo; // Limit to 'tabpagemax' tabs. if (count > p_tpm) { count = (int)p_tpm; } - /* - * Don't execute autocommands while creating the tab pages. Must do that - * when putting the buffers in the windows. - */ + // Don't execute autocommands while creating the tab pages. Must do that + // when putting the buffers in the windows. block_autocmds(); + int todo; for (todo = count - 1; todo > 0; todo--) { if (win_new_tabpage(0, NULL) == FAIL) { break; @@ -4237,9 +4230,7 @@ void close_tabpage(tabpage_T *tab) free_tabpage(tab); } -/* - * Find tab page "n" (first one is 1). Returns NULL when not found. - */ +// Find tab page "n" (first one is 1). Returns NULL when not found. tabpage_T *find_tabpage(int n) { tabpage_T *tp; @@ -4251,10 +4242,8 @@ tabpage_T *find_tabpage(int n) return tp; } -/* - * Get index of tab page "tp". First one has index 1. - * When not found returns number of tab pages plus one. - */ +// Get index of tab page "tp". First one has index 1. +// When not found returns number of tab pages plus one. int tabpage_index(tabpage_T *ftp) { int i = 1; @@ -4296,12 +4285,16 @@ static int leave_tabpage(buf_T *new_curbuf, bool trigger_leave_autocmds) return FAIL; } } + + reset_dragwin(); tp->tp_curwin = curwin; tp->tp_prevwin = prevwin; tp->tp_firstwin = firstwin; tp->tp_lastwin = lastwin; tp->tp_old_Rows_avail = ROWS_AVAIL; - tp->tp_old_Columns = Columns; + if (tp->tp_old_Columns != -1) { + tp->tp_old_Columns = Columns; + } firstwin = NULL; lastwin = NULL; return OK; @@ -4319,10 +4312,7 @@ static void enter_tabpage(tabpage_T *tp, buf_T *old_curbuf, bool trigger_enter_a win_T *next_prevwin = tp->tp_prevwin; tabpage_T *old_curtab = curtab; - curtab = tp; - firstwin = tp->tp_firstwin; - lastwin = tp->tp_lastwin; - topframe = tp->tp_topframe; + use_tabpage(tp); if (old_curtab != curtab) { tabpage_check_windows(old_curtab); @@ -4354,17 +4344,26 @@ static void enter_tabpage(tabpage_T *tp, buf_T *old_curbuf, bool trigger_enter_a // When cmdheight is changed in a tab page with '<C-w>-', cmdline_row is // changed but p_ch and tp_ch_used are not changed. Thus we also need to // check cmdline_row. - if ((row < cmdline_row) && (cmdline_row <= Rows - p_ch)) { + if (row < cmdline_row && cmdline_row <= Rows - p_ch) { clear_cmdline = true; } + // If there was a click in a window, it won't be usable for a following + // drag. + reset_dragwin(); + // The tabpage line may have appeared or disappeared, may need to resize the frames for that. // When the Vim window was resized or ROWS_AVAIL changed need to update frame sizes too. if (curtab->tp_old_Rows_avail != ROWS_AVAIL || (old_off != firstwin->w_winrow)) { win_new_screen_rows(); } - if (curtab->tp_old_Columns != Columns && starting == 0) { - win_new_screen_cols(); // update window widths + if (curtab->tp_old_Columns != Columns) { + if (starting == 0) { + win_new_screen_cols(); // update window widths + curtab->tp_old_Columns = Columns; + } else { + curtab->tp_old_Columns = -1; // update window widths later + } } lastused_tabpage = old_curtab; @@ -4410,16 +4409,10 @@ static void tabpage_check_windows(tabpage_T *old_curtab) } } -/* - * Go to tab page "n". For ":tab N" and "Ngt". - * When "n" is 9999 go to the last tab page. - */ +// Go to tab page "n". For ":tab N" and "Ngt". +// When "n" is 9999 go to the last tab page. void goto_tabpage(int n) { - tabpage_T *tp = NULL; // shut up compiler - tabpage_T *ttp; - int i; - if (text_locked()) { // Not allowed when editing the command line. text_locked_msg(); @@ -4434,6 +4427,8 @@ void goto_tabpage(int n) return; } + tabpage_T *tp = NULL; // shut up compiler + if (n == 0) { // No count, go to next tab page, wrap around end. if (curtab->tp_next == NULL) { @@ -4444,8 +4439,8 @@ void goto_tabpage(int n) } else if (n < 0) { // "gT": go to previous tab page, wrap around end. "N gT" repeats // this N times. - ttp = curtab; - for (i = n; i < 0; i++) { + tabpage_T *ttp = curtab; + for (int i = n; i < 0; i++) { for (tp = first_tabpage; tp->tp_next != ttp && tp->tp_next != NULL; tp = tp->tp_next) {} ttp = tp; @@ -4479,6 +4474,7 @@ void goto_tabpage_tp(tabpage_T *tp, bool trigger_enter_autocmds, bool trigger_le // Don't repeat a message in another tab page. set_keep_msg(NULL, 0); + skip_win_fix_scroll = true; if (tp != curtab && leave_tabpage(tp->tp_curwin->w_buffer, trigger_leave_autocmds) == OK) { if (valid_tabpage(tp)) { @@ -4489,6 +4485,7 @@ void goto_tabpage_tp(tabpage_T *tp, bool trigger_enter_autocmds, bool trigger_le trigger_leave_autocmds); } } + skip_win_fix_scroll = false; } /// Go to the last accessed tab page, if there is one. @@ -4502,10 +4499,8 @@ bool goto_tabpage_lastused(void) return false; } -/* - * Enter window "wp" in tab page "tp". - * Also updates the GUI tab. - */ +// Enter window "wp" in tab page "tp". +// Also updates the GUI tab. void goto_tabpage_win(tabpage_T *tp, win_T *wp) { goto_tabpage_tp(tp, true, true); @@ -4517,16 +4512,15 @@ void goto_tabpage_win(tabpage_T *tp, win_T *wp) // Move the current tab page to after tab page "nr". void tabpage_move(int nr) { - int n = 1; - tabpage_T *tp; - tabpage_T *tp_dst; - assert(curtab != NULL); if (first_tabpage->tp_next == NULL) { return; } + int n = 1; + tabpage_T *tp; + for (tp = first_tabpage; tp->tp_next != NULL && n < nr; tp = tp->tp_next) { n++; } @@ -4536,7 +4530,7 @@ void tabpage_move(int nr) return; } - tp_dst = tp; + tabpage_T *tp_dst = tp; // Remove the current tab page from the list of tab pages. if (curtab == first_tabpage) { @@ -4568,13 +4562,11 @@ void tabpage_move(int nr) redraw_tabline = true; } -/* - * Go to another window. - * When jumping to another buffer, stop Visual mode. Do this before - * changing windows so we can yank the selection into the '*' register. - * When jumping to another window on the same buffer, adjust its cursor - * position to keep the same Visual area. - */ +// Go to another window. +// When jumping to another buffer, stop Visual mode. Do this before +// changing windows so we can yank the selection into the '*' register. +// When jumping to another window on the same buffer, adjust its cursor +// position to keep the same Visual area. void win_goto(win_T *wp) { win_T *owp = curwin; @@ -4601,9 +4593,7 @@ void win_goto(win_T *wp) } } -/* - * Find the tabpage for window "win". - */ +// Find the tabpage for window "win". tabpage_T *win_find_tabpage(win_T *win) { FOR_ALL_TAB_WINDOWS(tp, wp) { @@ -4625,22 +4615,17 @@ tabpage_T *win_find_tabpage(win_T *win) /// @return found window win_T *win_vert_neighbor(tabpage_T *tp, win_T *wp, bool up, long count) { - frame_T *fr; - frame_T *nfr; - frame_T *foundfr; - - foundfr = wp->w_frame; + frame_T *foundfr = wp->w_frame; if (wp->w_floating) { return win_valid(prevwin) && !prevwin->w_floating ? prevwin : firstwin; } while (count--) { - /* - * First go upwards in the tree of frames until we find an upwards or - * downwards neighbor. - */ - fr = foundfr; + frame_T *nfr; + // First go upwards in the tree of frames until we find an upwards or + // downwards neighbor. + frame_T *fr = foundfr; for (;;) { if (fr == tp->tp_topframe) { goto end; @@ -4656,9 +4641,7 @@ win_T *win_vert_neighbor(tabpage_T *tp, win_T *wp, bool up, long count) fr = fr->fr_parent; } - /* - * Now go downwards to find the bottom or top frame in it. - */ + // Now go downwards to find the bottom or top frame in it. for (;;) { if (nfr->fr_layout == FR_LEAF) { foundfr = nfr; @@ -4708,22 +4691,17 @@ static void win_goto_ver(bool up, long count) /// @return found window win_T *win_horz_neighbor(tabpage_T *tp, win_T *wp, bool left, long count) { - frame_T *fr; - frame_T *nfr; - frame_T *foundfr; - - foundfr = wp->w_frame; + frame_T *foundfr = wp->w_frame; if (wp->w_floating) { return win_valid(prevwin) && !prevwin->w_floating ? prevwin : firstwin; } while (count--) { - /* - * First go upwards in the tree of frames until we find a left or - * right neighbor. - */ - fr = foundfr; + frame_T *nfr; + // First go upwards in the tree of frames until we find a left or + // right neighbor. + frame_T *fr = foundfr; for (;;) { if (fr == tp->tp_topframe) { goto end; @@ -4739,9 +4717,7 @@ win_T *win_horz_neighbor(tabpage_T *tp, win_T *wp, bool left, long count) fr = fr->fr_parent; } - /* - * Now go downwards to find the leftmost or rightmost frame in it. - */ + // Now go downwards to find the leftmost or rightmost frame in it. for (;;) { if (nfr->fr_layout == FR_LEAF) { foundfr = nfr; @@ -4833,7 +4809,9 @@ static void win_enter_ext(win_T *const wp, const int flags) // Might need to scroll the old window before switching, e.g., when the // cursor was moved. - update_topline(curwin); + if (*p_spk == 'c') { + update_topline(curwin); + } // may have to copy the buffer options when 'cpo' contains 'S' if (wp->w_buffer != curbuf) { @@ -4850,7 +4828,11 @@ static void win_enter_ext(win_T *const wp, const int flags) if (!virtual_active()) { curwin->w_cursor.coladd = 0; } - changed_line_abv_curs(); // assume cursor position needs updating + if (*p_spk == 'c') { + changed_line_abv_curs(); // assume cursor position needs updating + } else { + win_fix_cursor(true); + } fix_current_dir(); @@ -4912,7 +4894,7 @@ void fix_current_dir(void) // New directory is either the local directory of the window, tab or NULL. char *new_dir = curwin->w_localdir ? curwin->w_localdir : curtab->tp_localdir; char cwd[MAXPATHL]; - if (os_dirname((char_u *)cwd, MAXPATHL) != OK) { + if (os_dirname(cwd, MAXPATHL) != OK) { cwd[0] = NUL; } @@ -4962,12 +4944,11 @@ win_T *buf_jump_open_win(buf_T *buf) if (curwin->w_buffer == buf) { win_enter(curwin, false); return curwin; - } else { - FOR_ALL_WINDOWS_IN_TAB(wp, curtab) { - if (wp->w_buffer == buf) { - win_enter(wp, false); - return wp; - } + } + FOR_ALL_WINDOWS_IN_TAB(wp, curtab) { + if (wp->w_buffer == buf) { + win_enter(wp, false); + return wp; } } @@ -4975,7 +4956,7 @@ win_T *buf_jump_open_win(buf_T *buf) } /// Jump to the first open window in any tab page that contains buffer "buf", -/// if one exists. +/// if one exists. First search in the windows present in the current tab page. /// @return the found window, or NULL. win_T *buf_jump_open_tab(buf_T *buf) { @@ -5034,9 +5015,7 @@ static win_T *win_alloc(win_T *after, bool hidden) // initialized yet. gui_create_scrollbar() may trigger a FocusGained // event. block_autocmds(); - /* - * link the window in the window list - */ + // link the window in the window list if (!hidden) { win_append(after, new_wp); } @@ -5066,8 +5045,7 @@ static win_T *win_alloc(win_T *after, bool hidden) foldInitWin(new_wp); unblock_autocmds(); - new_wp->w_match_head = NULL; - new_wp->w_next_match_id = 4; + new_wp->w_next_match_id = 1000; // up to 1000 can be picked by the user return new_wp; } @@ -5086,9 +5064,6 @@ void free_wininfo(wininfo_T *wip, buf_T *bp) /// @param tp tab page "win" is in, NULL for current static void win_free(win_T *wp, tabpage_T *tp) { - int i; - wininfo_T *wip; - pmap_del(handle_T)(&window_handles, wp->handle); clearFolding(wp); @@ -5120,7 +5095,7 @@ static void win_free(win_T *wp, tabpage_T *tp) xfree(wp->w_lines); - for (i = 0; i < wp->w_tagstacklen; i++) { + for (int i = 0; i < wp->w_tagstacklen; i++) { xfree(wp->w_tagstack[i].tagname); xfree(wp->w_tagstack[i].user_data); } @@ -5128,16 +5103,19 @@ static void win_free(win_T *wp, tabpage_T *tp) xfree(wp->w_localdir); xfree(wp->w_prevdir); - stl_clear_click_defs(wp->w_status_click_defs, (long)wp->w_status_click_defs_size); + stl_clear_click_defs(wp->w_status_click_defs, wp->w_status_click_defs_size); xfree(wp->w_status_click_defs); - stl_clear_click_defs(wp->w_winbar_click_defs, (long)wp->w_winbar_click_defs_size); + stl_clear_click_defs(wp->w_winbar_click_defs, wp->w_winbar_click_defs_size); xfree(wp->w_winbar_click_defs); + stl_clear_click_defs(wp->w_statuscol_click_defs, wp->w_statuscol_click_defs_size); + xfree(wp->w_statuscol_click_defs); + // Remove the window from the b_wininfo lists, it may happen that the // freed memory is re-used for another window. FOR_ALL_BUFFERS(buf) { - for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) { + for (wininfo_T *wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) { if (wip->wi_win == wp) { wininfo_T *wip2; @@ -5165,6 +5143,9 @@ static void win_free(win_T *wp, tabpage_T *tp) } } + // free the border title text + clear_virttext(&wp->w_float_config.title_chunks); + clear_matches(wp); free_jumplist(wp); @@ -5175,7 +5156,7 @@ static void win_free(win_T *wp, tabpage_T *tp) win_free_grid(wp, false); - if (wp != aucmd_win) { + if (win_valid_any_tab(wp)) { win_remove(wp, tp); } if (autocmd_busy) { @@ -5200,18 +5181,11 @@ void win_free_grid(win_T *wp, bool reinit) } } -/* - * Append window "wp" in the window list after window "after". - */ +// Append window "wp" in the window list after window "after". void win_append(win_T *after, win_T *wp) { - win_T *before; - - if (after == NULL) { // after NULL is in front of the first - before = firstwin; - } else { - before = after->w_next; - } + // after NULL is in front of the first + win_T *before = after == NULL ? firstwin : after->w_next; wp->w_next = before; wp->w_prev = after; @@ -5248,9 +5222,7 @@ void win_remove(win_T *wp, tabpage_T *tp) } } -/* - * Append frame "frp" in a frame list after frame "after". - */ +// Append frame "frp" in a frame list after frame "after". static void frame_append(frame_T *after, frame_T *frp) { frp->fr_next = after->fr_next; @@ -5261,9 +5233,7 @@ static void frame_append(frame_T *after, frame_T *frp) frp->fr_prev = after; } -/* - * Insert frame "frp" in a frame list before frame "before". - */ +// Insert frame "frp" in a frame list before frame "before". static void frame_insert(frame_T *before, frame_T *frp) { frp->fr_next = before; @@ -5276,9 +5246,7 @@ static void frame_insert(frame_T *before, frame_T *frp) } } -/* - * Remove a frame from a frame list. - */ +// Remove a frame from a frame list. static void frame_remove(frame_T *frp) { if (frp->fr_prev != NULL) { @@ -5299,7 +5267,7 @@ void win_new_screensize(void) if (old_Rows != Rows) { // If 'window' uses the whole screen, keep it using that. // Don't change it when set with "-w size" on the command line. - if (p_window == old_Rows - 1 || (old_Rows == 0 && p_window == 0)) { + if (p_window == old_Rows - 1 || (old_Rows == 0 && !option_was_set("window"))) { p_window = Rows - 1; } old_Rows = Rows; @@ -5335,6 +5303,10 @@ void win_new_screen_rows(void) win_reconfig_floats(); // The size of floats might change compute_cmdrow(); curtab->tp_ch_used = p_ch; + + if (*p_spk != 'c' && !skip_win_fix_scroll) { + win_fix_scroll(true); + } } /// Called from win_new_screensize() after Columns changed. @@ -5355,42 +5327,290 @@ void win_new_screen_cols(void) win_reconfig_floats(); // The size of floats might change } -/// Trigger WinScrolled for "curwin" if needed. -void may_trigger_winscrolled(void) +/// Make a snapshot of all the window scroll positions and sizes of the current +/// tab page. +void snapshot_windows_scroll_size(void) { - static bool recursive = false; + FOR_ALL_WINDOWS_IN_TAB(wp, curtab) { + wp->w_last_topline = wp->w_topline; + wp->w_last_topfill = wp->w_topfill; + wp->w_last_leftcol = wp->w_leftcol; + wp->w_last_skipcol = wp->w_skipcol; + wp->w_last_width = wp->w_width; + wp->w_last_height = wp->w_height; + } +} - if (recursive || !has_event(EVENT_WINSCROLLED)) { - return; +static bool did_initial_scroll_size_snapshot = false; + +void may_make_initial_scroll_size_snapshot(void) +{ + if (!did_initial_scroll_size_snapshot) { + did_initial_scroll_size_snapshot = true; + snapshot_windows_scroll_size(); } +} - win_T *wp = curwin; - if (wp->w_last_topline != wp->w_topline - || wp->w_last_leftcol != wp->w_leftcol - || wp->w_last_skipcol != wp->w_skipcol - || wp->w_last_width != wp->w_width - || wp->w_last_height != wp->w_height) { - char winid[NUMBUFLEN]; - vim_snprintf(winid, sizeof(winid), "%d", wp->handle); +/// Create a dictionary with information about size and scroll changes in a +/// window. +/// Returns the dictionary with refcount set to one. +/// Returns NULL on internal error. +static dict_T *make_win_info_dict(int width, int height, int topline, int topfill, int leftcol, + int skipcol) +{ + dict_T *const d = tv_dict_alloc(); + d->dv_refcount = 1; + + // not actually looping, for breaking out on error + while (1) { + typval_T tv = { + .v_lock = VAR_UNLOCKED, + .v_type = VAR_NUMBER, + }; + + tv.vval.v_number = width; + if (tv_dict_add_tv(d, S_LEN("width"), &tv) == FAIL) { + break; + } + tv.vval.v_number = height; + if (tv_dict_add_tv(d, S_LEN("height"), &tv) == FAIL) { + break; + } + tv.vval.v_number = topline; + if (tv_dict_add_tv(d, S_LEN("topline"), &tv) == FAIL) { + break; + } + tv.vval.v_number = topfill; + if (tv_dict_add_tv(d, S_LEN("topfill"), &tv) == FAIL) { + break; + } + tv.vval.v_number = leftcol; + if (tv_dict_add_tv(d, S_LEN("leftcol"), &tv) == FAIL) { + break; + } + tv.vval.v_number = skipcol; + if (tv_dict_add_tv(d, S_LEN("skipcol"), &tv) == FAIL) { + break; + } + return d; + } + tv_dict_unref(d); + return NULL; +} - recursive = true; - apply_autocmds(EVENT_WINSCROLLED, winid, winid, false, wp->w_buffer); - recursive = false; +/// Return values of check_window_scroll_resize(): +enum { + CWSR_SCROLLED = 1, ///< at least one window scrolled + CWSR_RESIZED = 2, ///< at least one window size changed +}; + +/// This function is used for three purposes: +/// 1. Goes over all windows in the current tab page and returns: +/// 0 no scrolling and no size changes found +/// CWSR_SCROLLED at least one window scrolled +/// CWSR_RESIZED at least one window changed size +/// CWSR_SCROLLED + CWSR_RESIZED both +/// "size_count" is set to the nr of windows with size changes. +/// "first_scroll_win" is set to the first window with any relevant changes. +/// "first_size_win" is set to the first window with size changes. +/// +/// 2. When the first three arguments are NULL and "winlist" is not NULL, +/// "winlist" is set to the list of window IDs with size changes. +/// +/// 3. When the first three arguments are NULL and "v_event" is not NULL, +/// information about changed windows is added to "v_event". +static int check_window_scroll_resize(int *size_count, win_T **first_scroll_win, + win_T **first_size_win, list_T *winlist, dict_T *v_event) +{ + int result = 0; + // int listidx = 0; + int tot_width = 0; + int tot_height = 0; + int tot_topline = 0; + int tot_topfill = 0; + int tot_leftcol = 0; + int tot_skipcol = 0; - // an autocmd may close the window, "wp" may be invalid now - if (win_valid_any_tab(wp)) { + FOR_ALL_WINDOWS_IN_TAB(wp, curtab) { + // Skip floating windows that do not have a snapshot (usually because they are newly-created), + // as unlike split windows, creating floating windows do not cause other windows to resize. + if (wp->w_floating && wp->w_last_topline == 0) { wp->w_last_topline = wp->w_topline; + wp->w_last_topfill = wp->w_topfill; wp->w_last_leftcol = wp->w_leftcol; wp->w_last_skipcol = wp->w_skipcol; wp->w_last_width = wp->w_width; wp->w_last_height = wp->w_height; + continue; + } + + const bool size_changed = wp->w_last_width != wp->w_width + || wp->w_last_height != wp->w_height; + if (size_changed) { + result |= CWSR_RESIZED; + if (winlist != NULL) { + // Add this window to the list of changed windows. + typval_T tv = { + .v_lock = VAR_UNLOCKED, + .v_type = VAR_NUMBER, + .vval.v_number = wp->handle, + }; + // tv_list_set_item(winlist, listidx++, &tv); + tv_list_append_owned_tv(winlist, tv); + } else if (size_count != NULL) { + assert(first_size_win != NULL && first_scroll_win != NULL); + (*size_count)++; + if (*first_size_win == NULL) { + *first_size_win = wp; + } + // For WinScrolled the first window with a size change is used + // even when it didn't scroll. + if (*first_scroll_win == NULL) { + *first_scroll_win = wp; + } + } + } + + const bool scroll_changed = wp->w_last_topline != wp->w_topline + || wp->w_last_topfill != wp->w_topfill + || wp->w_last_leftcol != wp->w_leftcol + || wp->w_last_skipcol != wp->w_skipcol; + if (scroll_changed) { + result |= CWSR_SCROLLED; + if (first_scroll_win != NULL && *first_scroll_win == NULL) { + *first_scroll_win = wp; + } + } + + if ((size_changed || scroll_changed) && v_event != NULL) { + // Add info about this window to the v:event dictionary. + int width = wp->w_width - wp->w_last_width; + int height = wp->w_height - wp->w_last_height; + int topline = wp->w_topline - wp->w_last_topline; + int topfill = wp->w_topfill - wp->w_last_topfill; + int leftcol = wp->w_leftcol - wp->w_last_leftcol; + int skipcol = wp->w_skipcol - wp->w_last_skipcol; + dict_T *d = make_win_info_dict(width, height, topline, + topfill, leftcol, skipcol); + if (d == NULL) { + break; + } + char winid[NUMBUFLEN]; + int key_len = vim_snprintf(winid, sizeof(winid), "%d", wp->handle); + if (tv_dict_add_dict(v_event, winid, (size_t)key_len, d) == FAIL) { + tv_dict_unref(d); + break; + } + d->dv_refcount--; + + tot_width += abs(width); + tot_height += abs(height); + tot_topline += abs(topline); + tot_topfill += abs(topfill); + tot_leftcol += abs(leftcol); + tot_skipcol += abs(skipcol); + } + } + + if (v_event != NULL) { + dict_T *alldict = make_win_info_dict(tot_width, tot_height, tot_topline, + tot_topfill, tot_leftcol, tot_skipcol); + if (alldict != NULL) { + if (tv_dict_add_dict(v_event, S_LEN("all"), alldict) == FAIL) { + tv_dict_unref(alldict); + } else { + alldict->dv_refcount--; + } + } + } + + return result; +} + +/// Trigger WinScrolled and/or WinResized if any window in the current tab page +/// scrolled or changed size. +void may_trigger_win_scrolled_resized(void) +{ + static bool recursive = false; + const bool do_resize = has_event(EVENT_WINRESIZED); + const bool do_scroll = has_event(EVENT_WINSCROLLED); + + if (recursive + || !(do_scroll || do_resize) + || !did_initial_scroll_size_snapshot) { + return; + } + + int size_count = 0; + win_T *first_scroll_win = NULL, *first_size_win = NULL; + int cwsr = check_window_scroll_resize(&size_count, + &first_scroll_win, &first_size_win, + NULL, NULL); + int trigger_resize = do_resize && size_count > 0; + int trigger_scroll = do_scroll && cwsr != 0; + if (!trigger_resize && !trigger_scroll) { + return; // no relevant changes + } + + list_T *windows_list = NULL; + if (trigger_resize) { + // Create the list for v:event.windows before making the snapshot. + // windows_list = tv_list_alloc_with_items(size_count); + windows_list = tv_list_alloc(size_count); + (void)check_window_scroll_resize(NULL, NULL, NULL, windows_list, NULL); + } + + dict_T *scroll_dict = NULL; + if (trigger_scroll) { + // Create the dict with entries for v:event before making the snapshot. + scroll_dict = tv_dict_alloc(); + scroll_dict->dv_refcount = 1; + (void)check_window_scroll_resize(NULL, NULL, NULL, NULL, scroll_dict); + } + + // WinScrolled/WinResized are triggered only once, even when multiple + // windows scrolled or changed size. Store the current values before + // triggering the event, if a scroll or resize happens as a side effect + // then WinScrolled/WinResized is triggered for that later. + snapshot_windows_scroll_size(); + + recursive = true; + + // If both are to be triggered do WinResized first. + if (trigger_resize) { + save_v_event_T save_v_event; + dict_T *v_event = get_v_event(&save_v_event); + + if (tv_dict_add_list(v_event, S_LEN("windows"), windows_list) == OK) { + tv_dict_set_keys_readonly(v_event); + + char winid[NUMBUFLEN]; + vim_snprintf(winid, sizeof(winid), "%d", first_size_win->handle); + apply_autocmds(EVENT_WINRESIZED, winid, winid, false, first_size_win->w_buffer); } + restore_v_event(v_event, &save_v_event); } + + if (trigger_scroll) { + save_v_event_T save_v_event; + dict_T *v_event = get_v_event(&save_v_event); + + // Move the entries from scroll_dict to v_event. + tv_dict_extend(v_event, scroll_dict, "move"); + tv_dict_set_keys_readonly(v_event); + tv_dict_unref(scroll_dict); + + char winid[NUMBUFLEN]; + vim_snprintf(winid, sizeof(winid), "%d", first_scroll_win->handle); + apply_autocmds(EVENT_WINSCROLLED, winid, winid, false, first_scroll_win->w_buffer); + + restore_v_event(v_event, &save_v_event); + } + + recursive = false; } -/* - * Save the size of all windows in "gap". - */ +// Save the size of all windows in "gap". void win_size_save(garray_T *gap) { ga_init(gap, (int)sizeof(int), 1); @@ -5457,20 +5677,13 @@ void win_reconfig_floats(void) } } -/* - * Update the position of the windows in frame "topfrp", using the width and - * height of the frames. - * "*row" and "*col" are the top-left position of the frame. They are updated - * to the bottom-right position plus one. - */ +// Update the position of the windows in frame "topfrp", using the width and +// height of the frames. +// "*row" and "*col" are the top-left position of the frame. They are updated +// to the bottom-right position plus one. static void frame_comp_pos(frame_T *topfrp, int *row, int *col) { - win_T *wp; - frame_T *frp; - int startcol; - int startrow; - - wp = topfrp->fr_win; + win_T *wp = topfrp->fr_win; if (wp != NULL) { if (wp->w_winrow != *row || wp->w_wincol != *col) { @@ -5485,8 +5698,9 @@ static void frame_comp_pos(frame_T *topfrp, int *row, int *col) *row += h > topfrp->fr_height ? topfrp->fr_height : h; *col += wp->w_width + wp->w_vsep_width; } else { - startrow = *row; - startcol = *col; + int startrow = *row; + int startcol = *col; + frame_T *frp; FOR_ALL_FRAMES(frp, topfrp->fr_child) { if (topfrp->fr_layout == FR_ROW) { *row = startrow; // all frames are at the same row @@ -5498,19 +5712,15 @@ static void frame_comp_pos(frame_T *topfrp, int *row, int *col) } } -/* - * Set current window height and take care of repositioning other windows to - * fit around it. - */ +// Set current window height and take care of repositioning other windows to +// fit around it. void win_setheight(int height) { win_setheight_win(height, curwin); } -/* - * Set the window height of window "win" and take care of repositioning other - * windows to fit around it. - */ +// Set the window height of window "win" and take care of repositioning other +// windows to fit around it. void win_setheight_win(int height, win_T *win) { // Always keep current window at least one line high, even when 'winminheight' is zero. @@ -5520,7 +5730,7 @@ void win_setheight_win(int height, win_T *win) if (win->w_floating) { win->w_float_config.height = height; win_config_float(win, win->w_float_config); - redraw_later(win, UPD_NOT_VALID); + redraw_later(win, UPD_VALID); } else { frame_setheight(win->w_frame, height + win->w_hsep_height + win->w_status_height); @@ -5540,34 +5750,29 @@ void win_setheight_win(int height, win_T *win) curtab->tp_ch_used = p_ch; msg_row = row; msg_col = 0; + + if (*p_spk != 'c') { + win_fix_scroll(true); + } + redraw_all_later(UPD_NOT_VALID); redraw_cmdline = true; } } -/* - * Set the height of a frame to "height" and take care that all frames and - * windows inside it are resized. Also resize frames on the left and right if - * the are in the same FR_ROW frame. - * - * Strategy: - * If the frame is part of a FR_COL frame, try fitting the frame in that - * frame. If that doesn't work (the FR_COL frame is too small), recursively - * go to containing frames to resize them and make room. - * If the frame is part of a FR_ROW frame, all frames must be resized as well. - * Check for the minimal height of the FR_ROW frame. - * At the top level we can also use change the command line height. - */ +// Set the height of a frame to "height" and take care that all frames and +// windows inside it are resized. Also resize frames on the left and right if +// the are in the same FR_ROW frame. +// +// Strategy: +// If the frame is part of a FR_COL frame, try fitting the frame in that +// frame. If that doesn't work (the FR_COL frame is too small), recursively +// go to containing frames to resize them and make room. +// If the frame is part of a FR_ROW frame, all frames must be resized as well. +// Check for the minimal height of the FR_ROW frame. +// At the top level we can also use change the command line height. static void frame_setheight(frame_T *curfrp, int height) { - int room; // total number of lines available - int take; // number of lines taken from other windows - int room_cmdline; // lines available from cmdline - int run; - frame_T *frp; - int h; - int room_reserved; - // If the height already is the desired value, nothing to do. if (curfrp->fr_height == height) { return; @@ -5575,11 +5780,15 @@ static void frame_setheight(frame_T *curfrp, int height) if (curfrp->fr_parent == NULL) { // topframe: can only change the command line height + // Avoid doing so with external messages. + if (ui_has(kUIMessages)) { + return; + } if (height > ROWS_AVAIL) { // If height is greater than the available space, try to create space for // the frame by reducing 'cmdheight' if possible, while making sure - // `cmdheight` doesn't go below 1. - height = (int)MIN((p_ch > 0 ? ROWS_AVAIL + (p_ch - 1) : ROWS_AVAIL), height); + // `cmdheight` doesn't go below 1 if it wasn't set to 0 explicitly. + height = (int)MIN(ROWS_AVAIL + p_ch - !p_ch_was_zero, height); } if (height > 0) { frame_new_height(curfrp, height, false, false); @@ -5587,25 +5796,27 @@ static void frame_setheight(frame_T *curfrp, int height) } else if (curfrp->fr_parent->fr_layout == FR_ROW) { // Row of frames: Also need to resize frames left and right of this // one. First check for the minimal height of these. - h = frame_minheight(curfrp->fr_parent, NULL); + int h = frame_minheight(curfrp->fr_parent, NULL); if (height < h) { height = h; } frame_setheight(curfrp->fr_parent, height); } else { - /* - * Column of frames: try to change only frames in this column. - */ - /* - * Do this twice: - * 1: compute room available, if it's not enough try resizing the - * containing frame. - * 2: compute the room available and adjust the height to it. - * Try not to reduce the height of a window with 'winfixheight' set. - */ - for (run = 1; run <= 2; run++) { + // Column of frames: try to change only frames in this column. + + int room; // total number of lines available + int room_cmdline; // lines available from cmdline + int room_reserved; + + // Do this twice: + // 1: compute room available, if it's not enough try resizing the + // containing frame. + // 2: compute the room available and adjust the height to it. + // Try not to reduce the height of a window with 'winfixheight' set. + for (int run = 1; run <= 2; run++) { room = 0; room_reserved = 0; + frame_T *frp; FOR_ALL_FRAMES(frp, curfrp->fr_parent->fr_child) { if (frp != curfrp && frp->fr_win != NULL @@ -5637,14 +5848,12 @@ static void frame_setheight(frame_T *curfrp, int height) } frame_setheight(curfrp->fr_parent, height + frame_minheight(curfrp->fr_parent, NOWIN) - (int)p_wmh - 1); - //NOTREACHED + // NOTREACHED } - /* - * Compute the number of lines we will take from others frames (can be - * negative!). - */ - take = height - curfrp->fr_height; + // Compute the number of lines we will take from others frames (can be + // negative!). + int take = height - curfrp->fr_height; // If there is not enough room, also reduce the height of a window // with 'winfixheight' set. @@ -5666,24 +5875,19 @@ static void frame_setheight(frame_T *curfrp, int height) topframe->fr_height += room_cmdline; } - /* - * set the current frame to the new height - */ + // set the current frame to the new height frame_new_height(curfrp, height, false, false); - /* - * First take lines from the frames after the current frame. If - * that is not enough, takes lines from frames above the current - * frame. - */ - for (run = 0; run < 2; run++) { - if (run == 0) { - frp = curfrp->fr_next; // 1st run: start with next window - } else { - frp = curfrp->fr_prev; // 2nd run: start with prev window - } + // First take lines from the frames after the current frame. If + // that is not enough, takes lines from frames above the current + // frame. + for (int run = 0; run < 2; run++) { + // 1st run: start with next window + // 2nd run: start with prev window + frame_T *frp = run == 0 ? curfrp->fr_next : curfrp->fr_prev; + while (frp != NULL && take != 0) { - h = frame_minheight(frp, NULL); + int h = frame_minheight(frp, NULL); if (room_reserved > 0 && frp->fr_win != NULL && frp->fr_win->w_p_wfh) { @@ -5716,10 +5920,8 @@ static void frame_setheight(frame_T *curfrp, int height) } } -/* - * Set current window width and take care of repositioning other windows to - * fit around it. - */ +// Set current window width and take care of repositioning other windows to +// fit around it. void win_setwidth(int width) { win_setwidth_win(width, curwin); @@ -5752,22 +5954,13 @@ void win_setwidth_win(int width, win_T *wp) } } -/* - * Set the width of a frame to "width" and take care that all frames and - * windows inside it are resized. Also resize frames above and below if the - * are in the same FR_ROW frame. - * - * Strategy is similar to frame_setheight(). - */ +// Set the width of a frame to "width" and take care that all frames and +// windows inside it are resized. Also resize frames above and below if the +// are in the same FR_ROW frame. +// +// Strategy is similar to frame_setheight(). static void frame_setwidth(frame_T *curfrp, int width) { - int room; // total number of lines available - int take; // number of lines taken from other windows - int run; - frame_T *frp; - int w; - int room_reserved; - // If the width already is the desired value, nothing to do. if (curfrp->fr_width == width) { return; @@ -5781,23 +5974,25 @@ static void frame_setwidth(frame_T *curfrp, int width) if (curfrp->fr_parent->fr_layout == FR_COL) { // Column of frames: Also need to resize frames above and below of // this one. First check for the minimal width of these. - w = frame_minwidth(curfrp->fr_parent, NULL); + int w = frame_minwidth(curfrp->fr_parent, NULL); if (width < w) { width = w; } frame_setwidth(curfrp->fr_parent, width); } else { - /* - * Row of frames: try to change only frames in this row. - * - * Do this twice: - * 1: compute room available, if it's not enough try resizing the - * containing frame. - * 2: compute the room available and adjust the width to it. - */ - for (run = 1; run <= 2; run++) { + // Row of frames: try to change only frames in this row. + // + // Do this twice: + // 1: compute room available, if it's not enough try resizing the + // containing frame. + // 2: compute the room available and adjust the width to it. + + int room; // total number of lines available + int room_reserved; + for (int run = 1; run <= 2; run++) { room = 0; room_reserved = 0; + frame_T *frp; FOR_ALL_FRAMES(frp, curfrp->fr_parent->fr_child) { if (frp != curfrp && frp->fr_win != NULL @@ -5821,11 +6016,9 @@ static void frame_setwidth(frame_T *curfrp, int width) + frame_minwidth(curfrp->fr_parent, NOWIN) - (int)p_wmw - 1); } - /* - * Compute the number of lines we will take from others frames (can be - * negative!). - */ - take = width - curfrp->fr_width; + // Compute the number of lines we will take from others frames (can be + // negative!). + int take = width - curfrp->fr_width; // If there is not enough room, also reduce the width of a window // with 'winfixwidth' set. @@ -5838,24 +6031,19 @@ static void frame_setwidth(frame_T *curfrp, int width) room_reserved = 0; } - /* - * set the current frame to the new width - */ + // set the current frame to the new width frame_new_width(curfrp, width, false, false); - /* - * First take lines from the frames right of the current frame. If - * that is not enough, takes lines from frames left of the current - * frame. - */ - for (run = 0; run < 2; run++) { - if (run == 0) { - frp = curfrp->fr_next; // 1st run: start with next window - } else { - frp = curfrp->fr_prev; // 2nd run: start with prev window - } + // First take lines from the frames right of the current frame. If + // that is not enough, takes lines from frames left of the current + // frame. + for (int run = 0; run < 2; run++) { + // 1st run: start with next window + // 2nd run: start with prev window + frame_T *frp = run == 0 ? curfrp->fr_next : curfrp->fr_prev; + while (frp != NULL && take != 0) { - w = frame_minwidth(frp, NULL); + int w = frame_minwidth(frp, NULL); if (room_reserved > 0 && frp->fr_win != NULL && frp->fr_win->w_p_wfw) { @@ -5931,22 +6119,14 @@ void win_setminwidth(void) /// Status line of dragwin is dragged "offset" lines down (negative is up). void win_drag_status_line(win_T *dragwin, int offset) { - frame_T *curfr; - frame_T *fr; - int room; - int row; - bool up; // if true, drag status line up, otherwise down - int n; - static bool p_ch_was_zero = false; + frame_T *fr = dragwin->w_frame; - // If the user explicitly set 'cmdheight' to zero, then allow for dragging - // the status line making it zero again. - if (p_ch == 0) { - p_ch_was_zero = true; + // Avoid changing command line height with external messages. + if (fr->fr_next == NULL && ui_has(kUIMessages)) { + return; } - fr = dragwin->w_frame; - curfr = fr; + frame_T *curfr = fr; if (fr != topframe) { // more than one window fr = fr->fr_parent; // When the parent frame is not a column of frames, its parent should @@ -5971,8 +6151,10 @@ void win_drag_status_line(win_T *dragwin, int offset) } } - if (offset < 0) { // drag up - up = true; + int room; + const bool up = offset < 0; // if true, drag status line up, otherwise down + + if (up) { // drag up offset = -offset; // sum up the room of the current frame and above it if (fr == curfr) { @@ -5989,7 +6171,6 @@ void win_drag_status_line(win_T *dragwin, int offset) } fr = curfr->fr_next; // put fr at frame that grows } else { // drag down - up = false; // Only dragging the last status line can reduce p_ch. room = Rows - cmdline_row; if (curfr->fr_next != NULL) { @@ -6014,10 +6195,8 @@ void win_drag_status_line(win_T *dragwin, int offset) return; } - /* - * Grow frame fr by "offset" lines. - * Doesn't happen when dragging the last status line up. - */ + // Grow frame fr by "offset" lines. + // Doesn't happen when dragging the last status line up. if (fr != NULL) { frame_new_height(fr, fr->fr_height + offset, up, false); } @@ -6027,11 +6206,9 @@ void win_drag_status_line(win_T *dragwin, int offset) } else { fr = curfr->fr_next; // next frame gets smaller } - /* - * Now make the other frames smaller. - */ + // Now make the other frames smaller. while (fr != NULL && offset > 0) { - n = frame_minheight(fr, NULL); + int n = frame_minheight(fr, NULL); if (fr->fr_height - offset <= n) { offset -= fr->fr_height - n; frame_new_height(fr, n, !up, false); @@ -6045,7 +6222,7 @@ void win_drag_status_line(win_T *dragwin, int offset) fr = fr->fr_next; } } - row = win_comp_pos(); + int row = win_comp_pos(); grid_fill(&default_grid, row, cmdline_row, 0, Columns, ' ', ' ', 0); if (msg_grid.chars) { clear_cmdline = true; @@ -6053,26 +6230,23 @@ void win_drag_status_line(win_T *dragwin, int offset) cmdline_row = row; p_ch = MAX(Rows - cmdline_row, p_ch_was_zero ? 0 : 1); curtab->tp_ch_used = p_ch; + + if (*p_spk != 'c') { + win_fix_scroll(true); + } + redraw_all_later(UPD_SOME_VALID); showmode(); } -/* - * Separator line of dragwin is dragged "offset" lines right (negative is left). - */ +// Separator line of dragwin is dragged "offset" lines right (negative is left). void win_drag_vsep_line(win_T *dragwin, int offset) { - frame_T *curfr; - frame_T *fr; - int room; - bool left; // if true, drag separator line left, otherwise right - int n; - - fr = dragwin->w_frame; + frame_T *fr = dragwin->w_frame; if (fr == topframe) { // only one window (cannot happen?) return; } - curfr = fr; + frame_T *curfr = fr; fr = fr->fr_parent; // When the parent frame is not a row of frames, its parent should be. if (fr->fr_layout != FR_ROW) { @@ -6097,8 +6271,10 @@ void win_drag_vsep_line(win_T *dragwin, int offset) } } - if (offset < 0) { // drag left - left = true; + int room; + const bool left = offset < 0; // if true, drag separator line left, otherwise right + + if (left) { // drag left offset = -offset; // sum up the room of the current frame and left of it room = 0; @@ -6110,7 +6286,6 @@ void win_drag_vsep_line(win_T *dragwin, int offset) } fr = curfr->fr_next; // put fr at frame that grows } else { // drag right - left = false; // sum up the room of frames right of the current one room = 0; FOR_ALL_FRAMES(fr, curfr->fr_next) { @@ -6145,7 +6320,7 @@ void win_drag_vsep_line(win_T *dragwin, int offset) fr = curfr->fr_next; // next frame gets smaller } while (fr != NULL && offset > 0) { - n = frame_minwidth(fr, NULL); + int n = frame_minwidth(fr, NULL); if (fr->fr_width - offset <= n) { offset -= fr->fr_width - n; frame_new_width(fr, n, !left, false); @@ -6177,6 +6352,98 @@ void set_fraction(win_T *wp) } } +/// Handle scroll position for 'splitkeep'. Replaces scroll_to_fraction() +/// call from win_set_inner_size(). Instead we iterate over all windows in a +/// tabpage and calculate the new scroll position. +/// TODO(luukvbaal): Ensure this also works with wrapped lines. +/// Requires topline to be able to be set to a bufferline with some +/// offset(row-wise scrolling/smoothscroll). +void win_fix_scroll(int resize) +{ + linenr_T lnum; + + skip_update_topline = true; + FOR_ALL_WINDOWS_IN_TAB(wp, curtab) { + // Skip when window height has not changed or when floating. + if (!wp->w_floating && wp->w_height != wp->w_prev_height) { + // If window has moved update botline to keep the same screenlines. + if (*p_spk == 's' && wp->w_winrow != wp->w_prev_winrow + && wp->w_botline - 1 <= wp->w_buffer->b_ml.ml_line_count) { + lnum = wp->w_cursor.lnum; + int diff = (wp->w_winrow - wp->w_prev_winrow) + + (wp->w_height - wp->w_prev_height); + wp->w_cursor.lnum = wp->w_botline - 1; + // Add difference in height and row to botline. + if (diff > 0) { + cursor_down_inner(wp, diff); + } else { + cursor_up_inner(wp, -diff); + } + // Bring the new cursor position to the bottom of the screen. + wp->w_fraction = FRACTION_MULT; + scroll_to_fraction(wp, wp->w_prev_height); + wp->w_cursor.lnum = lnum; + } else if (wp == curwin) { + wp->w_valid &= ~VALID_CROW; + } + invalidate_botline_win(wp); + validate_botline(wp); + } + wp->w_prev_height = wp->w_height; + wp->w_prev_winrow = wp->w_winrow; + } + skip_update_topline = false; + // Ensure cursor is valid when not in normal mode or when resized. + if (!(get_real_state() & (MODE_NORMAL|MODE_CMDLINE|MODE_TERMINAL))) { + win_fix_cursor(false); + } else if (resize) { + win_fix_cursor(true); + } +} + +/// Make sure the cursor position is valid for 'splitkeep'. +/// If it is not, put the cursor position in the jumplist and move it. +/// If we are not in normal mode, scroll to make valid instead. +static void win_fix_cursor(int normal) +{ + win_T *wp = curwin; + long so = get_scrolloff_value(wp); + linenr_T nlnum = 0; + linenr_T lnum = wp->w_cursor.lnum; + + if (wp->w_buffer->b_ml.ml_line_count < wp->w_height + || skip_win_fix_cursor) { + return; + } + + // Determine valid cursor range. + so = MIN(wp->w_height_inner / 2, so); + wp->w_cursor.lnum = wp->w_topline; + linenr_T top = cursor_down_inner(wp, so); + wp->w_cursor.lnum = wp->w_botline - 1; + linenr_T bot = cursor_up_inner(wp, so); + wp->w_cursor.lnum = lnum; + // Check if cursor position is above or below valid cursor range. + if (lnum > bot && (wp->w_botline - wp->w_buffer->b_ml.ml_line_count) != 1) { + nlnum = bot; + } else if (lnum < top && wp->w_topline != 1) { + nlnum = (so == wp->w_height / 2) ? bot : top; + } + + if (nlnum) { // Cursor is invalid for current scroll position. + if (normal) { + // Save to jumplist and set cursor to avoid scrolling. + setmark('\''); + wp->w_cursor.lnum = nlnum; + } else { + // Scroll instead when not in normal mode. + wp->w_fraction = (nlnum == bot) ? FRACTION_MULT : 0; + scroll_to_fraction(wp, wp->w_prev_height); + validate_botline(curwin); + } + } +} + // Set the height of a window. // "height" excludes any window toolbar. // This takes care of the things inside the window, not what happens to the @@ -6199,8 +6466,6 @@ void win_new_height(win_T *wp, int height) void scroll_to_fraction(win_T *wp, int prev_height) { - linenr_T lnum; - int sline, line_size; int height = wp->w_height_inner; // Don't change w_topline in any of these cases: @@ -6212,17 +6477,15 @@ void scroll_to_fraction(win_T *wp, int prev_height) && (!wp->w_p_scb || wp == curwin) && (height < wp->w_buffer->b_ml.ml_line_count || wp->w_topline > 1)) { - /* - * Find a value for w_topline that shows the cursor at the same - * relative position in the window as before (more or less). - */ - lnum = wp->w_cursor.lnum; + // Find a value for w_topline that shows the cursor at the same + // relative position in the window as before (more or less). + linenr_T lnum = wp->w_cursor.lnum; if (lnum < 1) { // can happen when starting up lnum = 1; } wp->w_wrow = (int)((long)wp->w_fraction * (long)height - 1L) / FRACTION_MULT; - line_size = plines_win_col(wp, lnum, (long)(wp->w_cursor.col)) - 1; - sline = wp->w_wrow - line_size; + int line_size = plines_win_col(wp, lnum, (long)(wp->w_cursor.col)) - 1; + int sline = wp->w_wrow - line_size; if (sline >= 0) { // Make sure the whole cursor line is visible, if possible. @@ -6235,11 +6498,9 @@ void scroll_to_fraction(win_T *wp, int prev_height) } if (sline < 0) { - /* - * Cursor line would go off top of screen if w_wrow was this high. - * Make cursor line the first line in the window. If not enough - * room use w_skipcol; - */ + // Cursor line would go off top of screen if w_wrow was this high. + // Make cursor line the first line in the window. If not enough + // room use w_skipcol; wp->w_wrow = line_size; if (wp->w_wrow >= wp->w_height_inner && (wp->w_width_inner - win_col_off(wp)) > 0) { @@ -6271,10 +6532,8 @@ void scroll_to_fraction(win_T *wp, int prev_height) } if (sline < 0) { - /* - * Line we want at top would go off top of screen. Use next - * line instead. - */ + // Line we want at top would go off top of screen. Use next + // line instead. (void)hasFoldingWin(wp, lnum, NULL, &lnum, true, NULL); lnum++; wp->w_wrow -= line_size + sline; @@ -6297,9 +6556,7 @@ void scroll_to_fraction(win_T *wp, int prev_height) wp->w_prev_fraction_row = wp->w_wrow; } - win_comp_scroll(wp); redraw_later(wp, UPD_SOME_VALID); - wp->w_redr_status = true; invalidate_botline_win(wp); } @@ -6318,7 +6575,7 @@ void win_set_inner_size(win_T *wp, bool valid_cursor) if (height != prev_height) { if (height > 0 && valid_cursor) { - if (wp == curwin) { + if (wp == curwin && *p_spk == 'c') { // w_wrow needs to be valid. When setting 'laststatus' this may // call win_new_height() recursively. validate_cursor(); @@ -6332,14 +6589,14 @@ void win_set_inner_size(win_T *wp, bool valid_cursor) } wp->w_skipcol = 0; wp->w_height_inner = height; + win_comp_scroll(wp); // There is no point in adjusting the scroll position when exiting. Some // values might be invalid. - // Skip scroll_to_fraction() when 'cmdheight' was set to one from zero. - if (!exiting && !made_cmdheight_nonzero && valid_cursor) { + if (valid_cursor && !exiting && *p_spk == 'c') { scroll_to_fraction(wp, prev_height); } - redraw_later(wp, UPD_NOT_VALID); // UPD_SOME_VALID?? + redraw_later(wp, UPD_SOME_VALID); } if (width != wp->w_width_inner) { @@ -6349,8 +6606,10 @@ void win_set_inner_size(win_T *wp, bool valid_cursor) changed_line_abv_curs_win(wp); invalidate_botline_win(wp); if (wp == curwin) { + skip_update_topline = (*p_spk != 'c'); update_topline(wp); curs_columns(wp, true); // validate w_wrow + skip_update_topline = false; } } redraw_later(wp, UPD_NOT_VALID); @@ -6364,6 +6623,7 @@ void win_set_inner_size(win_T *wp, bool valid_cursor) wp->w_width_outer = (wp->w_width_inner + win_border_width(wp)); wp->w_winrow_off = wp->w_border_adj[0] + wp->w_winbar_height; wp->w_wincol_off = wp->w_border_adj[3]; + wp->w_redr_status = true; } static int win_border_height(win_T *wp) @@ -6380,17 +6640,15 @@ static int win_border_width(win_T *wp) void win_new_width(win_T *wp, int width) { wp->w_width = width; - win_set_inner_size(wp, true); - - wp->w_redr_status = true; wp->w_pos_changed = true; + win_set_inner_size(wp, true); } void win_comp_scroll(win_T *wp) { const long old_w_p_scr = wp->w_p_scr; - wp->w_p_scr = wp->w_height / 2; + wp->w_p_scr = wp->w_height_inner / 2; if (wp->w_p_scr == 0) { wp->w_p_scr = 1; } @@ -6401,13 +6659,9 @@ void win_comp_scroll(win_T *wp) } } -/* - * command_height: called whenever p_ch has been changed - */ +/// command_height: called whenever p_ch has been changed. void command_height(void) { - int h; - frame_T *frp; int old_p_ch = (int)curtab->tp_ch_used; // Use the value of p_ch that we remembered. This is needed for when the @@ -6415,11 +6669,8 @@ void command_height(void) // p_ch was changed in another tab page. curtab->tp_ch_used = p_ch; - // If the space for the command line is already more than 'cmdheight' there - // is nothing to do (window size must have decreased). - if (p_ch > old_p_ch && cmdline_row <= Rows - p_ch) { - return; - } + // Update cmdline_row to what it should be: just below the last window. + cmdline_row = topframe->fr_height + tabline_height() + global_stl_height(); // If cmdline_row is smaller than what it is supposed to be for 'cmdheight' // then set old_p_ch to what it would be, so that the windows get resized @@ -6429,7 +6680,7 @@ void command_height(void) } // Find bottom frame with width of screen. - frp = lastwin_nofloating()->w_frame; + frame_T *frp = lastwin_nofloating()->w_frame; while (frp->fr_width != Columns && frp->fr_parent != NULL) { frp = frp->fr_parent; } @@ -6452,7 +6703,7 @@ void command_height(void) cmdline_row = Rows - (int)p_ch; break; } - h = frp->fr_height - frame_minheight(frp, NULL); + int h = frp->fr_height - frame_minheight(frp, NULL); if (h > p_ch - old_p_ch) { h = (int)p_ch - old_p_ch; } @@ -6486,10 +6737,8 @@ void command_height(void) } } -/* - * Resize frame "frp" to be "n" lines higher (negative for less high). - * Also resize the frames it is contained in. - */ +// Resize frame "frp" to be "n" lines higher (negative for less high). +// Also resize the frames it is contained in. static void frame_add_height(frame_T *frp, int n) { frame_new_height(frp, frp->fr_height + n, false, false); @@ -6502,11 +6751,9 @@ static void frame_add_height(frame_T *frp, int n) } } -/* - * Get the file name at the cursor. - * If Visual mode is active, use the selected text if it's in one line. - * Returns the name in allocated memory, NULL for failure. - */ +// Get the file name at the cursor. +// If Visual mode is active, use the selected text if it's in one line. +// Returns the name in allocated memory, NULL for failure. char_u *grab_file_name(long count, linenr_T *file_lnum) { int options = FNAME_MESS | FNAME_EXP | FNAME_REL | FNAME_UNESC; @@ -6522,27 +6769,25 @@ char_u *grab_file_name(long count, linenr_T *file_lnum) *file_lnum = (linenr_T)getdigits_long(&p, false, 0); } - return find_file_name_in_path((char_u *)ptr, len, options, count, (char_u *)curbuf->b_ffname); + return (char_u *)find_file_name_in_path(ptr, len, options, count, curbuf->b_ffname); } return file_name_at_cursor(options | FNAME_HYP, count, file_lnum); } -/* - * Return the file name under or after the cursor. - * - * The 'path' option is searched if the file name is not absolute. - * The string returned has been alloc'ed and should be freed by the caller. - * NULL is returned if the file name or file is not found. - * - * options: - * FNAME_MESS give error messages - * FNAME_EXP expand to path - * FNAME_HYP check for hypertext link - * FNAME_INCL apply "includeexpr" - */ +// Return the file name under or after the cursor. +// +// The 'path' option is searched if the file name is not absolute. +// The string returned has been alloc'ed and should be freed by the caller. +// NULL is returned if the file name or file is not found. +// +// options: +// FNAME_MESS give error messages +// FNAME_EXP expand to path +// FNAME_HYP check for hypertext link +// FNAME_INCL apply "includeexpr" char_u *file_name_at_cursor(int options, long count, linenr_T *file_lnum) { - return file_name_in_line(get_cursor_line_ptr(), + return file_name_in_line((char_u *)get_cursor_line_ptr(), curwin->w_cursor.col, options, count, (char_u *)curbuf->b_ffname, file_lnum); } @@ -6554,16 +6799,9 @@ char_u *file_name_at_cursor(int options, long count, linenr_T *file_lnum) char_u *file_name_in_line(char_u *line, int col, int options, long count, char_u *rel_fname, linenr_T *file_lnum) { - char *ptr; - size_t len; - bool in_type = true; - bool is_url = false; - - /* - * search forward for what could be the start of a file name - */ - ptr = (char *)line + col; - while (*ptr != NUL && !vim_isfilec(*ptr)) { + // search forward for what could be the start of a file name + char *ptr = (char *)line + col; + while (*ptr != NUL && !vim_isfilec((uint8_t)(*ptr))) { MB_PTR_ADV(ptr); } if (*ptr == NUL) { // nothing found @@ -6573,26 +6811,27 @@ char_u *file_name_in_line(char_u *line, int col, int options, long count, char_u return NULL; } - /* - * Search backward for first char of the file name. - * Go one char back to ":" before "//" even when ':' is not in 'isfname'. - */ + size_t len; + bool in_type = true; + bool is_url = false; + + // Search backward for first char of the file name. + // Go one char back to ":" before "//" even when ':' is not in 'isfname'. while ((char_u *)ptr > line) { - if ((len = (size_t)(utf_head_off(line, (char_u *)ptr - 1))) > 0) { + if ((len = (size_t)(utf_head_off((char *)line, ptr - 1))) > 0) { ptr -= len + 1; - } else if (vim_isfilec(ptr[-1]) || ((options & FNAME_HYP) && path_is_url(ptr - 1))) { + } else if (vim_isfilec((uint8_t)ptr[-1]) + || ((options & FNAME_HYP) && path_is_url(ptr - 1))) { ptr--; } else { break; } } - /* - * Search forward for the last char of the file name. - * Also allow ":/" when ':' is not in 'isfname'. - */ + // Search forward for the last char of the file name. + // Also allow ":/" when ':' is not in 'isfname'. len = 0; - while (vim_isfilec(ptr[len]) || (ptr[len] == '\\' && ptr[len + 1] == ' ') + while (vim_isfilec((uint8_t)ptr[len]) || (ptr[len] == '\\' && ptr[len + 1] == ' ') || ((options & FNAME_HYP) && path_is_url(ptr + len)) || (is_url && vim_strchr(":?&=", ptr[len]) != NULL)) { // After type:// we also include :, ?, & and = as valid characters, so that @@ -6613,28 +6852,25 @@ char_u *file_name_in_line(char_u *line, int col, int options, long count, char_u len += (size_t)(utfc_ptr2len(ptr + len)); } - /* - * If there is trailing punctuation, remove it. - * But don't remove "..", could be a directory name. - */ + // If there is trailing punctuation, remove it. + // But don't remove "..", could be a directory name. if (len > 2 && vim_strchr(".,:;!", ptr[len - 1]) != NULL && ptr[len - 2] != '.') { len--; } if (file_lnum != NULL) { - char *p; const char *line_english = " line "; const char *line_transl = _(line_msg); // Get the number after the file name and a separator character. // Also accept " line 999" with and without the same translation as // used in last_set_msg(). - p = ptr + len; - if (STRNCMP(p, line_english, STRLEN(line_english)) == 0) { - p += STRLEN(line_english); - } else if (STRNCMP(p, line_transl, STRLEN(line_transl)) == 0) { - p += STRLEN(line_transl); + char *p = ptr + len; + if (strncmp(p, line_english, strlen(line_english)) == 0) { + p += strlen(line_english); + } else if (strncmp(p, line_transl, strlen(line_transl)) == 0) { + p += strlen(line_transl); } else { p = skipwhite(p); } @@ -6649,7 +6885,7 @@ char_u *file_name_in_line(char_u *line, int col, int options, long count, char_u } } - return find_file_name_in_path((char_u *)ptr, len, options, count, rel_fname); + return (char_u *)find_file_name_in_path(ptr, len, options, count, (char *)rel_fname); } /// Add or remove a status line from window(s), according to the @@ -6674,7 +6910,7 @@ static void win_remove_status_line(win_T *wp, bool add_hsep) } comp_col(); - stl_clear_click_defs(wp->w_status_click_defs, (long)wp->w_status_click_defs_size); + stl_clear_click_defs(wp->w_status_click_defs, wp->w_status_click_defs_size); xfree(wp->w_status_click_defs); wp->w_status_click_defs_size = 0; wp->w_status_click_defs = NULL; @@ -6733,23 +6969,19 @@ static bool resize_frame_for_winbar(frame_T *fr) if (fp == NULL || fp == fr) { emsg(_(e_noroom)); return false; - } else { - frame_new_height(fp, fp->fr_height - 1, false, false); - win_new_height(wp, wp->w_height + 1); - frame_fix_height(wp); - (void)win_comp_pos(); } + frame_new_height(fp, fp->fr_height - 1, false, false); + win_new_height(wp, wp->w_height + 1); + frame_fix_height(wp); + (void)win_comp_pos(); return true; } static void last_status_rec(frame_T *fr, bool statusline, bool is_stl_global) { - frame_T *fp; - win_T *wp; - if (fr->fr_layout == FR_LEAF) { - wp = fr->fr_win; + win_T *wp = fr->fr_win; bool is_last = is_bottom_win(wp); if (is_last) { @@ -6763,6 +6995,10 @@ static void last_status_rec(frame_T *fr, bool statusline, bool is_stl_global) } comp_col(); } + // Set prev_height when difference is due to 'laststatus'. + if (abs(wp->w_height - wp->w_prev_height) == 1) { + wp->w_prev_height = wp->w_height; + } } else if (wp->w_status_height != 0 && is_stl_global) { // If statusline is global and the window has a statusline, replace it with a horizontal // separator @@ -6773,9 +7009,9 @@ static void last_status_rec(frame_T *fr, bool statusline, bool is_stl_global) wp->w_hsep_height = 0; comp_col(); } - redraw_all_later(UPD_SOME_VALID); } else { // For a column or row frame, recursively call this function for all child frames + frame_T *fp; FOR_ALL_FRAMES(fp, fr->fr_child) { last_status_rec(fp, statusline, is_stl_global); } @@ -6806,11 +7042,10 @@ int set_winbar_win(win_T *wp, bool make_room, bool valid_cursor) } wp->w_winbar_height = winbar_height; win_set_inner_size(wp, valid_cursor); - wp->w_redr_status = wp->w_redr_status || winbar_height; if (winbar_height == 0) { // When removing winbar, deallocate the w_winbar_click_defs array - stl_clear_click_defs(wp->w_winbar_click_defs, (long)wp->w_winbar_click_defs_size); + stl_clear_click_defs(wp->w_winbar_click_defs, wp->w_winbar_click_defs_size); xfree(wp->w_winbar_click_defs); wp->w_winbar_click_defs_size = 0; wp->w_winbar_click_defs = NULL; @@ -6896,7 +7131,7 @@ bool only_one_window(void) FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT FOR_ALL_WINDOWS_IN_TAB(wp, curtab) { if (wp->w_buffer != NULL && (!((bt_help(wp->w_buffer) && !bt_help(curbuf)) || wp->w_floating - || wp->w_p_pvw) || wp == curwin) && wp != aucmd_win) { + || wp->w_p_pvw) || wp == curwin) && !is_aucmd_win(wp)) { count++; } } @@ -6970,21 +7205,17 @@ void reset_lnums(void) } } -/* - * A snapshot of the window sizes, to restore them after closing the help - * window. - * Only these fields are used: - * fr_layout - * fr_width - * fr_height - * fr_next - * fr_child - * fr_win (only valid for the old curwin, NULL otherwise) - */ +// A snapshot of the window sizes, to restore them after closing the help +// window. +// Only these fields are used: +// fr_layout +// fr_width +// fr_height +// fr_next +// fr_child +// fr_win (only valid for the old curwin, NULL otherwise) -/* - * Create a snapshot of the current frame sizes. - */ +// Create a snapshot of the current frame sizes. void make_snapshot(int idx) { clear_snapshot(curtab, idx); @@ -7008,9 +7239,7 @@ static void make_snapshot_rec(frame_T *fr, frame_T **frp) } } -/* - * Remove any existing snapshot. - */ +// Remove any existing snapshot. static void clear_snapshot(tabpage_T *tp, int idx) { clear_snapshot_rec(tp->tp_snapshot[idx]); @@ -7062,13 +7291,11 @@ static win_T *get_snapshot_curwin(int idx) /// @param close_curwin closing current window void restore_snapshot(int idx, int close_curwin) { - win_T *wp; - if (curtab->tp_snapshot[idx] != NULL && curtab->tp_snapshot[idx]->fr_width == topframe->fr_width && curtab->tp_snapshot[idx]->fr_height == topframe->fr_height && check_snapshot_rec(curtab->tp_snapshot[idx], topframe) == OK) { - wp = restore_snapshot_rec(curtab->tp_snapshot[idx], topframe); + win_T *wp = restore_snapshot_rec(curtab->tp_snapshot[idx], topframe); (void)win_comp_pos(); if (wp != NULL && close_curwin) { win_goto(wp); @@ -7095,15 +7322,12 @@ static int check_snapshot_rec(frame_T *sn, frame_T *fr) return OK; } -/* - * Copy the size of snapshot frame "sn" to frame "fr". Do the same for all - * following frames and children. - * Returns a pointer to the old current window, or NULL. - */ +// Copy the size of snapshot frame "sn" to frame "fr". Do the same for all +// following frames and children. +// Returns a pointer to the old current window, or NULL. static win_T *restore_snapshot_rec(frame_T *sn, frame_T *fr) { win_T *wp = NULL; - win_T *wp2; fr->fr_height = sn->fr_height; fr->fr_width = sn->fr_width; @@ -7113,13 +7337,13 @@ static win_T *restore_snapshot_rec(frame_T *sn, frame_T *fr) wp = sn->fr_win; } if (sn->fr_next != NULL) { - wp2 = restore_snapshot_rec(sn->fr_next, fr->fr_next); + win_T *wp2 = restore_snapshot_rec(sn->fr_next, fr->fr_next); if (wp2 != NULL) { wp = wp2; } } if (sn->fr_child != NULL) { - wp2 = restore_snapshot_rec(sn->fr_child, fr->fr_child); + win_T *wp2 = restore_snapshot_rec(sn->fr_child, fr->fr_child); if (wp2 != NULL) { wp = wp2; } @@ -7127,114 +7351,6 @@ static win_T *restore_snapshot_rec(frame_T *sn, frame_T *fr) return wp; } -/// Set "win" to be the curwin and "tp" to be the current tab page. -/// restore_win() MUST be called to undo, also when FAIL is returned. -/// No autocommands will be executed until restore_win() is called. -/// -/// @param no_display if true the display won't be affected, no redraw is -/// triggered, another tabpage access is limited. -/// -/// @return FAIL if switching to "win" failed. -int switch_win(switchwin_T *switchwin, win_T *win, tabpage_T *tp, bool no_display) -{ - block_autocmds(); - return switch_win_noblock(switchwin, win, tp, no_display); -} - -// As switch_win() but without blocking autocommands. -int switch_win_noblock(switchwin_T *switchwin, win_T *win, tabpage_T *tp, bool no_display) -{ - CLEAR_POINTER(switchwin); - switchwin->sw_curwin = curwin; - if (win == curwin) { - switchwin->sw_same_win = true; - } else { - // Disable Visual selection, because redrawing may fail. - switchwin->sw_visual_active = VIsual_active; - VIsual_active = false; - } - - if (tp != NULL) { - switchwin->sw_curtab = curtab; - if (no_display) { - curtab->tp_firstwin = firstwin; - curtab->tp_lastwin = lastwin; - curtab = tp; - firstwin = curtab->tp_firstwin; - lastwin = curtab->tp_lastwin; - } else { - goto_tabpage_tp(tp, false, false); - } - } - if (!win_valid(win)) { - return FAIL; - } - curwin = win; - curbuf = curwin->w_buffer; - return OK; -} - -// Restore current tabpage and window saved by switch_win(), if still valid. -// When "no_display" is true the display won't be affected, no redraw is -// triggered. -void restore_win(switchwin_T *switchwin, bool no_display) -{ - restore_win_noblock(switchwin, no_display); - unblock_autocmds(); -} - -// As restore_win() but without unblocking autocommands. -void restore_win_noblock(switchwin_T *switchwin, bool no_display) -{ - if (switchwin->sw_curtab != NULL && valid_tabpage(switchwin->sw_curtab)) { - if (no_display) { - curtab->tp_firstwin = firstwin; - curtab->tp_lastwin = lastwin; - curtab = switchwin->sw_curtab; - firstwin = curtab->tp_firstwin; - lastwin = curtab->tp_lastwin; - } else { - goto_tabpage_tp(switchwin->sw_curtab, false, false); - } - } - - if (!switchwin->sw_same_win) { - VIsual_active = switchwin->sw_visual_active; - } - - if (win_valid(switchwin->sw_curwin)) { - curwin = switchwin->sw_curwin; - curbuf = curwin->w_buffer; - } -} - -/// Make "buf" the current buffer. -/// -/// restore_buffer() MUST be called to undo. -/// No autocommands will be executed. Use aucmd_prepbuf() if there are any. -void switch_buffer(bufref_T *save_curbuf, buf_T *buf) -{ - block_autocmds(); - set_bufref(save_curbuf, curbuf); - curbuf->b_nwindows--; - curbuf = buf; - curwin->w_buffer = buf; - curbuf->b_nwindows++; -} - -/// Restore the current buffer after using switch_buffer(). -void restore_buffer(bufref_T *save_curbuf) -{ - unblock_autocmds(); - // Check for valid buffer, just in case. - if (bufref_valid(save_curbuf)) { - curbuf->b_nwindows--; - curwin->w_buffer = save_curbuf->br_buf; - curbuf = save_curbuf->br_buf; - curbuf->b_nwindows++; - } -} - /// Check that "topfrp" and its children are at the right height. /// /// @param topfrp top frame pointer @@ -7288,17 +7404,14 @@ static int int_cmp(const void *a, const void *b) /// @return error message, NULL if it's OK. char *check_colorcolumn(win_T *wp) { - char *s; - int col; - unsigned int count = 0; - int color_cols[256]; - int j = 0; - if (wp->w_buffer == NULL) { return NULL; // buffer was closed } - for (s = wp->w_p_cc; *s != NUL && count < 255;) { + unsigned int count = 0; + int color_cols[256]; + for (char *s = wp->w_p_cc; *s != NUL && count < 255;) { + int col; if (*s == '-' || *s == '+') { // -N and +N: add to 'textwidth' col = (*s == '-') ? -1 : 1; @@ -7347,6 +7460,7 @@ skip: // win_line() qsort(color_cols, count, sizeof(int), int_cmp); + int j = 0; for (unsigned int i = 0; i < count; i++) { // skip duplicates if (j == 0 || wp->w_p_cc_cols[j - 1] != color_cols[i]) { @@ -7359,43 +7473,6 @@ skip: return NULL; // no error } -int win_getid(typval_T *argvars) -{ - if (argvars[0].v_type == VAR_UNKNOWN) { - return curwin->handle; - } - int winnr = (int)tv_get_number(&argvars[0]); - win_T *wp; - if (winnr > 0) { - if (argvars[1].v_type == VAR_UNKNOWN) { - wp = firstwin; - } else { - tabpage_T *tp = NULL; - int tabnr = (int)tv_get_number(&argvars[1]); - FOR_ALL_TABS(tp2) { - if (--tabnr == 0) { - tp = tp2; - break; - } - } - if (tp == NULL) { - return -1; - } - if (tp == curtab) { - wp = firstwin; - } else { - wp = tp->tp_firstwin; - } - } - for (; wp != NULL; wp = wp->w_next) { - if (--winnr == 0) { - return wp->handle; - } - } - } - return 0; -} - void win_get_tabwin(handle_T id, int *tabnr, int *winnr) { *tabnr = 0; @@ -7416,109 +7493,16 @@ void win_get_tabwin(handle_T id, int *tabnr, int *winnr) } } -void win_id2tabwin(typval_T *const argvars, typval_T *const rettv) -{ - int winnr = 1; - int tabnr = 1; - handle_T id = (handle_T)tv_get_number(&argvars[0]); - - win_get_tabwin(id, &tabnr, &winnr); - - list_T *const list = tv_list_alloc_ret(rettv, 2); - tv_list_append_number(list, tabnr); - tv_list_append_number(list, winnr); -} - -win_T *win_id2wp(int id) -{ - return win_id2wp_tp(id, NULL); -} - -// Return the window and tab pointer of window "id". -win_T *win_id2wp_tp(int id, tabpage_T **tpp) -{ - FOR_ALL_TAB_WINDOWS(tp, wp) { - if (wp->handle == id) { - if (tpp != NULL) { - *tpp = tp; - } - return wp; - } - } - - return NULL; -} - -int win_id2win(typval_T *argvars) -{ - int nr = 1; - int id = (int)tv_get_number(&argvars[0]); - - FOR_ALL_WINDOWS_IN_TAB(wp, curtab) { - if (wp->handle == id) { - return nr; - } - nr++; - } - return 0; -} - -void win_findbuf(typval_T *argvars, list_T *list) -{ - int bufnr = (int)tv_get_number(&argvars[0]); - - FOR_ALL_TAB_WINDOWS(tp, wp) { - if (wp->w_buffer->b_fnum == bufnr) { - tv_list_append_number(list, wp->handle); - } - } -} - -// Get the layout of the given tab page for winlayout(). -void get_framelayout(const frame_T *fr, list_T *l, bool outer) -{ - list_T *fr_list; - - if (fr == NULL) { - return; - } - - if (outer) { - // outermost call from f_winlayout() - fr_list = l; - } else { - fr_list = tv_list_alloc(2); - tv_list_append_list(l, fr_list); - } - - if (fr->fr_layout == FR_LEAF) { - if (fr->fr_win != NULL) { - tv_list_append_string(fr_list, "leaf", -1); - tv_list_append_number(fr_list, fr->fr_win->handle); - } - } else { - tv_list_append_string(fr_list, fr->fr_layout == FR_ROW ? "row" : "col", -1); - - list_T *const win_list = tv_list_alloc(kListLenUnknown); - tv_list_append_list(fr_list, win_list); - const frame_T *child = fr->fr_child; - while (child != NULL) { - get_framelayout(child, win_list, false); - child = child->fr_next; - } - } -} - -void win_ui_flush(void) +void win_ui_flush(bool validate) { FOR_ALL_TAB_WINDOWS(tp, wp) { if (wp->w_pos_changed && wp->w_grid_alloc.chars != NULL) { if (tp == curtab) { - ui_ext_win_position(wp); + ui_ext_win_position(wp, validate); } else { ui_call_win_hide(wp->w_grid_alloc.handle); + wp->w_pos_changed = false; } - wp->w_pos_changed = false; } if (tp == curtab) { ui_ext_win_viewport(wp); |