From da51dc9cf202772f60bd2da975dbef257bd9237c Mon Sep 17 00:00:00 2001 From: Eliseo Martínez Date: Mon, 12 May 2014 02:25:17 +0200 Subject: Introduce nvim namespace: Move files. Move files from src/ to src/nvim/. - src/nvim/ becomes the new root dir for nvim executable sources. - src/libnvim/ is planned to become root dir of the neovim library. --- src/window.c | 5394 ---------------------------------------------------------- 1 file changed, 5394 deletions(-) delete mode 100644 src/window.c (limited to 'src/window.c') diff --git a/src/window.c b/src/window.c deleted file mode 100644 index 27582184d7..0000000000 --- a/src/window.c +++ /dev/null @@ -1,5394 +0,0 @@ -/* - * VIM - Vi IMproved by Bram Moolenaar - * - * Do ":help uganda" in Vim to read a list of people who contributed. - * Do ":help credits" in Vim to see a list of people who contributed. - * See README.txt for an overview of the Vim source code. - */ - -#include "vim.h" -#include "window.h" -#include "buffer.h" -#include "charset.h" -#include "diff.h" -#include "edit.h" -#include "eval.h" -#include "ex_cmds.h" -#include "ex_cmds2.h" -#include "ex_docmd.h" -#include "ex_eval.h" -#include "ex_getln.h" -#include "farsi.h" -#include "fileio.h" -#include "fold.h" -#include "getchar.h" -#include "hashtab.h" -#include "main.h" -#include "mark.h" -#include "memline.h" -#include "memory.h" -#include "message.h" -#include "misc1.h" -#include "misc2.h" -#include "file_search.h" -#include "garray.h" -#include "move.h" -#include "normal.h" -#include "option.h" -#include "os_unix.h" -#include "path.h" -#include "quickfix.h" -#include "regexp.h" -#include "screen.h" -#include "search.h" -#include "syntax.h" -#include "term.h" -#include "undo.h" -#include "os/os.h" - -static void win_init(win_T *newp, win_T *oldp, int flags); -static void win_init_some(win_T *newp, win_T *oldp); -static void frame_comp_pos(frame_T *topfrp, int *row, int *col); -static void frame_setheight(frame_T *curfrp, int height); -static void frame_setwidth(frame_T *curfrp, int width); -static void win_exchange(long); -static void win_rotate(int, int); -static void win_totop(int size, int flags); -static void win_equal_rec(win_T *next_curwin, int current, frame_T *topfr, - int dir, int col, int row, int width, - int height); -static int last_window(void); -static int close_last_window_tabpage(win_T *win, int free_buf, - tabpage_T *prev_curtab); -static win_T *win_free_mem(win_T *win, int *dirp, tabpage_T *tp); -static frame_T *win_altframe(win_T *win, tabpage_T *tp); -static tabpage_T *alt_tabpage(void); -static win_T *frame2win(frame_T *frp); -static int frame_has_win(frame_T *frp, win_T *wp); -static void frame_new_height(frame_T *topfrp, int height, int topfirst, - int wfh); -static int frame_fixed_height(frame_T *frp); -static int frame_fixed_width(frame_T *frp); -static void frame_add_statusline(frame_T *frp); -static void frame_new_width(frame_T *topfrp, int width, int leftfirst, - int wfw); -static void frame_add_vsep(frame_T *frp); -static int frame_minwidth(frame_T *topfrp, win_T *next_curwin); -static void frame_fix_width(win_T *wp); -static int win_alloc_firstwin(win_T *oldwin); -static void new_frame(win_T *wp); -static tabpage_T *alloc_tabpage(void); -static int leave_tabpage(buf_T *new_curbuf, int trigger_leave_autocmds); -static void enter_tabpage(tabpage_T *tp, buf_T *old_curbuf, - int trigger_enter_autocmds, - int trigger_leave_autocmds); -static void frame_fix_height(win_T *wp); -static int frame_minheight(frame_T *topfrp, win_T *next_curwin); -static void win_enter_ext(win_T *wp, int undo_sync, int no_curwin, - int trigger_enter_autocmds, - int trigger_leave_autocmds); -static void win_free(win_T *wp, tabpage_T *tp); -static void frame_append(frame_T *after, frame_T *frp); -static void frame_insert(frame_T *before, frame_T *frp); -static void frame_remove(frame_T *frp); -static void win_goto_ver(int up, long count); -static void win_goto_hor(int left, long count); -static void frame_add_height(frame_T *frp, int n); -static void last_status_rec(frame_T *fr, int statusline); - -static void make_snapshot_rec(frame_T *fr, frame_T **frp); -static void clear_snapshot(tabpage_T *tp, int idx); -static void clear_snapshot_rec(frame_T *fr); -static int check_snapshot_rec(frame_T *sn, frame_T *fr); -static win_T *restore_snapshot_rec(frame_T *sn, frame_T *fr); - -static int frame_check_height(frame_T *topfrp, int height); -static int frame_check_width(frame_T *topfrp, int width); - - -static win_T *win_alloc(win_T *after, int hidden); -static void set_fraction(win_T *wp); - -#define NOWIN (win_T *)-1 /* non-existing window */ - -# define ROWS_AVAIL (Rows - p_ch - tabline_height()) - - -static char *m_onlyone = N_("Already only one window"); - -/* - * all CTRL-W window commands are handled here, called from normal_cmd(). - */ -void -do_window ( - int nchar, - long Prenum, - int xchar /* extra char from ":wincmd gx" or NUL */ -) -{ - long Prenum1; - win_T *wp; - char_u *ptr; - linenr_T lnum = -1; - int type = FIND_DEFINE; - int len; - char_u cbuf[40]; - - if (Prenum == 0) - Prenum1 = 1; - else - Prenum1 = Prenum; - -# define CHECK_CMDWIN if (cmdwin_type != 0) { EMSG(_(e_cmdwin)); break; } - - switch (nchar) { - /* split current window in two parts, horizontally */ - case 'S': - case Ctrl_S: - case 's': - CHECK_CMDWIN reset_VIsual_and_resel(); /* stop Visual mode */ - /* When splitting the quickfix window open a new buffer in it, - * don't replicate the quickfix buffer. */ - if (bt_quickfix(curbuf)) - goto newwindow; - win_split((int)Prenum, 0); - break; - - /* split current window in two parts, vertically */ - case Ctrl_V: - case 'v': - CHECK_CMDWIN reset_VIsual_and_resel(); /* stop Visual mode */ - /* When splitting the quickfix window open a new buffer in it, - * don't replicate the quickfix buffer. */ - if (bt_quickfix(curbuf)) - goto newwindow; - win_split((int)Prenum, WSP_VERT); - break; - - /* split current window and edit alternate file */ - case Ctrl_HAT: - case '^': - CHECK_CMDWIN reset_VIsual_and_resel(); /* stop Visual mode */ - STRCPY(cbuf, "split #"); - if (Prenum) - vim_snprintf((char *)cbuf + 7, sizeof(cbuf) - 7, - "%" PRId64, (int64_t)Prenum); - do_cmdline_cmd(cbuf); - break; - - /* open new window */ - case Ctrl_N: - case 'n': - CHECK_CMDWIN reset_VIsual_and_resel(); /* stop Visual mode */ -newwindow: - if (Prenum) - /* window height */ - vim_snprintf((char *)cbuf, sizeof(cbuf) - 5, "%" PRId64, (int64_t)Prenum); - else - cbuf[0] = NUL; - if (nchar == 'v' || nchar == Ctrl_V) - STRCAT(cbuf, "v"); - STRCAT(cbuf, "new"); - do_cmdline_cmd(cbuf); - break; - - /* quit current window */ - case Ctrl_Q: - case 'q': - reset_VIsual_and_resel(); /* stop Visual mode */ - do_cmdline_cmd((char_u *)"quit"); - break; - - /* close current window */ - case Ctrl_C: - case 'c': - reset_VIsual_and_resel(); /* stop Visual mode */ - do_cmdline_cmd((char_u *)"close"); - break; - - /* close preview window */ - case Ctrl_Z: - case 'z': - CHECK_CMDWIN reset_VIsual_and_resel(); /* stop Visual mode */ - do_cmdline_cmd((char_u *)"pclose"); - break; - - /* cursor to preview window */ - case 'P': - for (wp = firstwin; wp != NULL; wp = wp->w_next) - if (wp->w_p_pvw) - break; - if (wp == NULL) - EMSG(_("E441: There is no preview window")); - else - win_goto(wp); - break; - - /* close all but current window */ - case Ctrl_O: - case 'o': - CHECK_CMDWIN reset_VIsual_and_resel(); /* stop Visual mode */ - do_cmdline_cmd((char_u *)"only"); - break; - - /* cursor to next window with wrap around */ - case Ctrl_W: - case 'w': - /* cursor to previous window with wrap around */ - case 'W': - CHECK_CMDWIN - if (firstwin == lastwin && Prenum != 1) /* just one window */ - beep_flush(); - else { - if (Prenum) { /* go to specified window */ - for (wp = firstwin; --Prenum > 0; ) { - if (wp->w_next == NULL) - break; - else - wp = wp->w_next; - } - } else { - if (nchar == 'W') { /* go to previous window */ - wp = curwin->w_prev; - if (wp == NULL) - wp = lastwin; /* wrap around */ - } else { /* go to next window */ - wp = curwin->w_next; - if (wp == NULL) - wp = firstwin; /* wrap around */ - } - } - win_goto(wp); - } - break; - - /* cursor to window below */ - case 'j': - case K_DOWN: - case Ctrl_J: - CHECK_CMDWIN win_goto_ver(FALSE, Prenum1); - break; - - /* cursor to window above */ - case 'k': - case K_UP: - case Ctrl_K: - CHECK_CMDWIN win_goto_ver(TRUE, Prenum1); - break; - - /* cursor to left window */ - case 'h': - case K_LEFT: - case Ctrl_H: - case K_BS: - CHECK_CMDWIN win_goto_hor(TRUE, Prenum1); - break; - - /* cursor to right window */ - case 'l': - case K_RIGHT: - case Ctrl_L: - CHECK_CMDWIN win_goto_hor(FALSE, Prenum1); - break; - - /* move window to new tab page */ - case 'T': - if (one_window()) - MSG(_(m_onlyone)); - else { - tabpage_T *oldtab = curtab; - tabpage_T *newtab; - - /* First create a new tab with the window, then go back to - * the old tab and close the window there. */ - wp = curwin; - if (win_new_tabpage((int)Prenum) == OK - && valid_tabpage(oldtab)) { - newtab = curtab; - goto_tabpage_tp(oldtab, TRUE, TRUE); - if (curwin == wp) - win_close(curwin, FALSE); - if (valid_tabpage(newtab)) - goto_tabpage_tp(newtab, TRUE, TRUE); - } - } - break; - - /* cursor to top-left window */ - case 't': - case Ctrl_T: - win_goto(firstwin); - break; - - /* cursor to bottom-right window */ - case 'b': - case Ctrl_B: - win_goto(lastwin); - break; - - /* cursor to last accessed (previous) window */ - case 'p': - case Ctrl_P: - if (prevwin == NULL) - beep_flush(); - else - win_goto(prevwin); - break; - - /* exchange current and next window */ - case 'x': - case Ctrl_X: - CHECK_CMDWIN win_exchange(Prenum); - break; - - /* rotate windows downwards */ - case Ctrl_R: - case 'r': - CHECK_CMDWIN reset_VIsual_and_resel(); /* stop Visual mode */ - win_rotate(FALSE, (int)Prenum1); /* downwards */ - break; - - /* rotate windows upwards */ - case 'R': - CHECK_CMDWIN reset_VIsual_and_resel(); /* stop Visual mode */ - win_rotate(TRUE, (int)Prenum1); /* upwards */ - break; - - /* move window to the very top/bottom/left/right */ - case 'K': - case 'J': - case 'H': - case 'L': - CHECK_CMDWIN win_totop((int)Prenum, - ((nchar == 'H' || nchar == 'L') ? WSP_VERT : 0) - | ((nchar == 'H' || nchar == 'K') ? WSP_TOP : WSP_BOT)); - break; - - /* make all windows the same height */ - case '=': - win_equal(NULL, FALSE, 'b'); - break; - - /* increase current window height */ - case '+': - win_setheight(curwin->w_height + (int)Prenum1); - break; - - /* decrease current window height */ - case '-': - win_setheight(curwin->w_height - (int)Prenum1); - break; - - /* set current window height */ - case Ctrl__: - case '_': - win_setheight(Prenum ? (int)Prenum : 9999); - break; - - /* increase current window width */ - case '>': - win_setwidth(curwin->w_width + (int)Prenum1); - break; - - /* decrease current window width */ - case '<': - win_setwidth(curwin->w_width - (int)Prenum1); - break; - - /* set current window width */ - case '|': - win_setwidth(Prenum != 0 ? (int)Prenum : 9999); - break; - - /* jump to tag and split window if tag exists (in preview window) */ - case '}': - CHECK_CMDWIN - if (Prenum) - g_do_tagpreview = Prenum; - else - g_do_tagpreview = p_pvh; - /*FALLTHROUGH*/ - case ']': - case Ctrl_RSB: - CHECK_CMDWIN reset_VIsual_and_resel(); /* stop Visual mode */ - if (Prenum) - postponed_split = Prenum; - else - postponed_split = -1; - - /* Execute the command right here, required when - * "wincmd ]" was used in a function. */ - do_nv_ident(Ctrl_RSB, NUL); - break; - - /* edit file name under cursor in a new window */ - case 'f': - case 'F': - case Ctrl_F: -wingotofile: - CHECK_CMDWIN - - ptr = grab_file_name(Prenum1, &lnum); - if (ptr != NULL) { - setpcmark(); - if (win_split(0, 0) == OK) { - RESET_BINDING(curwin); - (void)do_ecmd(0, ptr, NULL, NULL, ECMD_LASTL, - ECMD_HIDE, NULL); - if (nchar == 'F' && lnum >= 0) { - curwin->w_cursor.lnum = lnum; - check_cursor_lnum(); - beginline(BL_SOL | BL_FIX); - } - } - free(ptr); - } - break; - - /* Go to the first occurrence of the identifier under cursor along path in a - * new window -- webb - */ - case 'i': /* Go to any match */ - case Ctrl_I: - type = FIND_ANY; - /* FALLTHROUGH */ - case 'd': /* Go to definition, using 'define' */ - case Ctrl_D: - CHECK_CMDWIN - if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0) - break; - find_pattern_in_path(ptr, 0, len, TRUE, - Prenum == 0 ? TRUE : FALSE, type, - Prenum1, ACTION_SPLIT, (linenr_T)1, (linenr_T)MAXLNUM); - curwin->w_set_curswant = TRUE; - break; - - case K_KENTER: - case CAR: - /* - * In a quickfix window a jumps to the error under the - * cursor in a new window. - */ - if (bt_quickfix(curbuf)) { - sprintf((char *)cbuf, "split +%" PRId64 "%s", - (int64_t)curwin->w_cursor.lnum, - (curwin->w_llist_ref == NULL) ? "cc" : "ll"); - do_cmdline_cmd(cbuf); - } - break; - - - /* CTRL-W g extended commands */ - case 'g': - case Ctrl_G: - CHECK_CMDWIN -#ifdef USE_ON_FLY_SCROLL - dont_scroll = TRUE; /* disallow scrolling here */ -#endif - ++ no_mapping; - ++allow_keys; /* no mapping for xchar, but allow key codes */ - if (xchar == NUL) - xchar = plain_vgetc(); - LANGMAP_ADJUST(xchar, TRUE); - --no_mapping; - --allow_keys; - (void)add_to_showcmd(xchar); - switch (xchar) { - case '}': - xchar = Ctrl_RSB; - if (Prenum) - g_do_tagpreview = Prenum; - else - g_do_tagpreview = p_pvh; - /*FALLTHROUGH*/ - case ']': - case Ctrl_RSB: - reset_VIsual_and_resel(); /* stop Visual mode */ - if (Prenum) - postponed_split = Prenum; - else - postponed_split = -1; - - /* Execute the command right here, required when - * "wincmd g}" was used in a function. */ - do_nv_ident('g', xchar); - break; - - case 'f': /* CTRL-W gf: "gf" in a new tab page */ - case 'F': /* CTRL-W gF: "gF" in a new tab page */ - cmdmod.tab = tabpage_index(curtab) + 1; - nchar = xchar; - goto wingotofile; - default: - beep_flush(); - break; - } - break; - - default: beep_flush(); - break; - } -} - -/* - * 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 shell (help window). - * WSP_BOT: open window at the bottom-right of the shell (quickfix window). - * WSP_HELP: creating the help window, keep layout snapshot - * - * return FAIL for failure, OK otherwise - */ -int win_split(int size, int flags) -{ - /* When the ":tab" modifier was used open a new tab page instead. */ - if (may_open_tabpage() == OK) - return OK; - - /* Add flags from ":vertical", ":topleft" and ":botright". */ - flags |= cmdmod.split; - if ((flags & WSP_TOP) && (flags & WSP_BOT)) { - EMSG(_("E442: Can't split topleft and botright at the same time")); - return FAIL; - } - - /* When creating the help window make a snapshot of the window layout. - * Otherwise clear the snapshot, it's now invalid. */ - if (flags & WSP_HELP) - make_snapshot(SNAP_HELP_IDX); - else - clear_snapshot(curtab, SNAP_HELP_IDX); - - 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 - */ -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; - int do_equal = FALSE; - int needed; - int available; - int oldwin_height = 0; - int layout; - frame_T *frp, *curfrp; - int before; - - if (flags & WSP_TOP) - oldwin = firstwin; - else if (flags & WSP_BOT) - oldwin = lastwin; - else - oldwin = curwin; - - /* add a status line when p_ls == 1 and splitting the first window */ - if (lastwin == firstwin && p_ls == 1 && oldwin->w_status_height == 0) { - if (oldwin->w_height <= p_wmh && new_wp == NULL) { - EMSG(_(e_noroom)); - return FAIL; - } - need_status = STATUS_HEIGHT; - } - - - if (flags & WSP_VERT) { - layout = FR_ROW; - - /* - * Check if we are able to split the current window and compute its - * width. - */ - needed = p_wmw + 1; - if (flags & WSP_ROOM) - needed += p_wiw - p_wmw; - if (p_ea || (flags & (WSP_BOT | WSP_TOP))) { - available = topframe->fr_width; - needed += frame_minwidth(topframe, NULL); - } else - available = oldwin->w_width; - if (available < needed && new_wp == NULL) { - EMSG(_(e_noroom)); - return FAIL; - } - if (new_size == 0) - new_size = oldwin->w_width / 2; - if (new_size > oldwin->w_width - p_wmw - 1) - new_size = oldwin->w_width - p_wmw - 1; - if (new_size < p_wmw) - new_size = p_wmw; - - /* if it doesn't fit in the current window, need win_equal() */ - if (oldwin->w_width - new_size - 1 < p_wmw) - do_equal = TRUE; - - /* We don't like to take lines for the new window from a - * 'winfixwidth' window. Take them from a window to the left or right - * instead, if possible. */ - if (oldwin->w_p_wfw) - win_setwidth_win(oldwin->w_width + new_size, oldwin); - - /* Only make all windows the same width if one of them (except oldwin) - * 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; - while (frp != NULL) { - if (frp->fr_win != oldwin && frp->fr_win != NULL - && (frp->fr_win->w_width > new_size - || frp->fr_win->w_width > oldwin->w_width - - new_size - STATUS_HEIGHT)) { - do_equal = TRUE; - break; - } - frp = frp->fr_next; - } - } - } else { - layout = FR_COL; - - /* - * Check if we are able to split the current window and compute its - * height. - */ - needed = p_wmh + STATUS_HEIGHT + need_status; - if (flags & WSP_ROOM) - needed += p_wh - p_wmh; - if (p_ea || (flags & (WSP_BOT | WSP_TOP))) { - available = topframe->fr_height; - needed += frame_minheight(topframe, NULL); - } else { - available = oldwin->w_height; - needed += p_wmh; - } - if (available < needed && new_wp == NULL) { - EMSG(_(e_noroom)); - return FAIL; - } - oldwin_height = oldwin->w_height; - if (need_status) { - oldwin->w_status_height = STATUS_HEIGHT; - oldwin_height -= STATUS_HEIGHT; - } - if (new_size == 0) - new_size = oldwin_height / 2; - - if (new_size > oldwin_height - p_wmh - STATUS_HEIGHT) - new_size = oldwin_height - p_wmh - STATUS_HEIGHT; - if (new_size < p_wmh) - new_size = p_wmh; - - /* if it doesn't fit in the current window, need win_equal() */ - if (oldwin_height - new_size - STATUS_HEIGHT < p_wmh) - do_equal = TRUE; - - /* We don't like to take lines for the new window from a - * 'winfixheight' window. Take them from a window above or below - * instead, if possible. */ - if (oldwin->w_p_wfh) { - win_setheight_win(oldwin->w_height + new_size + STATUS_HEIGHT, - oldwin); - oldwin_height = oldwin->w_height; - if (need_status) - oldwin_height -= STATUS_HEIGHT; - } - - /* Only make all windows the same height if one of them (except oldwin) - * is higher than one of the split windows. */ - if (!do_equal && p_ea && size == 0 - && *p_ead != 'h' - && oldwin->w_frame->fr_parent != NULL) { - 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 - || frp->fr_win->w_height > oldwin_height - new_size - - STATUS_HEIGHT)) { - do_equal = TRUE; - break; - } - frp = frp->fr_next; - } - } - } - - /* - * allocate new window structure and link it in the window list - */ - if ((flags & WSP_TOP) == 0 - && ((flags & WSP_BOT) - || (flags & WSP_BELOW) - || (!(flags & WSP_ABOVE) - && ( - (flags & WSP_VERT) ? p_spr : - p_sb)))) { - /* new window below/right of current one */ - if (new_wp == NULL) - wp = win_alloc(oldwin, FALSE); - else - win_append(oldwin, wp); - } else { - if (new_wp == NULL) - wp = win_alloc(oldwin->w_prev, FALSE); - else - win_append(oldwin->w_prev, wp); - } - - if (new_wp == NULL) { - if (wp == NULL) - return FAIL; - - new_frame(wp); - - /* make the contents of the new window the same as the current one */ - win_init(wp, curwin, flags); - } - - /* - * 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)) { - curfrp = topframe->fr_child; - if (flags & WSP_BOT) - while (curfrp->fr_next != NULL) - curfrp = curfrp->fr_next; - } else - curfrp = topframe; - before = (flags & WSP_TOP); - } else { - curfrp = oldwin->w_frame; - if (flags & WSP_BELOW) - before = FALSE; - else if (flags & WSP_ABOVE) - before = TRUE; - else if (flags & WSP_VERT) - before = !p_spr; - else - before = !p_sb; - } - 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)); - *frp = *curfrp; - curfrp->fr_layout = layout; - frp->fr_parent = curfrp; - frp->fr_next = NULL; - frp->fr_prev = NULL; - curfrp->fr_child = frp; - curfrp->fr_win = NULL; - curfrp = frp; - if (frp->fr_win != NULL) - oldwin->w_frame = frp; - else - for (frp = frp->fr_child; frp != NULL; frp = frp->fr_next) - frp->fr_parent = curfrp; - } - - if (new_wp == NULL) - frp = wp->w_frame; - else - frp = new_wp->w_frame; - frp->fr_parent = curfrp->fr_parent; - - /* Insert the new frame at the right place in the frame list. */ - if (before) - frame_insert(curfrp, frp); - else - frame_append(curfrp, frp); - - /* Set w_fraction now so that the cursor keeps the same relative - * vertical position. */ - if (oldwin->w_height > 0) - set_fraction(oldwin); - wp->w_fraction = oldwin->w_fraction; - - if (flags & WSP_VERT) { - wp->w_p_scr = curwin->w_p_scr; - - if (need_status) { - win_new_height(oldwin, oldwin->w_height - 1); - oldwin->w_status_height = need_status; - } - if (flags & (WSP_TOP | WSP_BOT)) { - /* set height and row of new window to full height */ - wp->w_winrow = tabline_height(); - win_new_height(wp, curfrp->fr_height - (p_ls > 0)); - wp->w_status_height = (p_ls > 0); - } else { - /* height and row of new window is same as current window */ - wp->w_winrow = oldwin->w_winrow; - win_new_height(wp, oldwin->w_height); - wp->w_status_height = oldwin->w_status_height; - } - frp->fr_height = curfrp->fr_height; - - /* "new_size" of the current window goes to the new window, use - * one column for the vertical separator */ - win_new_width(wp, new_size); - if (before) - wp->w_vsep_width = 1; - else { - wp->w_vsep_width = oldwin->w_vsep_width; - oldwin->w_vsep_width = 1; - } - if (flags & (WSP_TOP | WSP_BOT)) { - if (flags & WSP_BOT) - frame_add_vsep(curfrp); - /* Set width of neighbor frame */ - frame_new_width(curfrp, curfrp->fr_width - - (new_size + ((flags & WSP_TOP) != 0)), flags & WSP_TOP, - FALSE); - } else - win_new_width(oldwin, oldwin->w_width - (new_size + 1)); - if (before) { /* new window left of current one */ - wp->w_wincol = oldwin->w_wincol; - oldwin->w_wincol += new_size + 1; - } else /* new window right of current one */ - wp->w_wincol = oldwin->w_wincol + oldwin->w_width + 1; - frame_fix_width(oldwin); - frame_fix_width(wp); - } else { - /* width and column of new window is same as current window */ - if (flags & (WSP_TOP | WSP_BOT)) { - wp->w_wincol = 0; - win_new_width(wp, Columns); - wp->w_vsep_width = 0; - } else { - wp->w_wincol = oldwin->w_wincol; - win_new_width(wp, oldwin->w_width); - wp->w_vsep_width = oldwin->w_vsep_width; - } - frp->fr_width = curfrp->fr_width; - - /* "new_size" of the current window goes to the new window, use - * one row for the status line */ - win_new_height(wp, new_size); - if (flags & (WSP_TOP | WSP_BOT)) - frame_new_height(curfrp, curfrp->fr_height - - (new_size + STATUS_HEIGHT), flags & WSP_TOP, FALSE); - else - win_new_height(oldwin, oldwin_height - (new_size + STATUS_HEIGHT)); - if (before) { /* new window above current one */ - wp->w_winrow = oldwin->w_winrow; - wp->w_status_height = STATUS_HEIGHT; - oldwin->w_winrow += wp->w_height + STATUS_HEIGHT; - } else { /* new window below current one */ - wp->w_winrow = oldwin->w_winrow + oldwin->w_height + STATUS_HEIGHT; - wp->w_status_height = oldwin->w_status_height; - oldwin->w_status_height = STATUS_HEIGHT; - } - if (flags & WSP_BOT) - frame_add_statusline(curfrp); - frame_fix_height(wp); - frame_fix_height(oldwin); - } - - if (flags & (WSP_TOP | WSP_BOT)) - (void)win_comp_pos(); - - /* - * Both windows need redrawing - */ - redraw_win_later(wp, NOT_VALID); - wp->w_redr_status = TRUE; - redraw_win_later(oldwin, NOT_VALID); - oldwin->w_redr_status = TRUE; - - if (need_status) { - msg_row = Rows - 1; - msg_col = sc_col; - msg_clr_eos_force(); /* Old command/ruler may still be there */ - comp_col(); - msg_row = Rows - 1; - msg_col = 0; /* put position back at start of line */ - } - - /* - * equalize the window sizes. - */ - if (do_equal || dir != 0) - win_equal(wp, TRUE, - (flags & WSP_VERT) ? (dir == 'v' ? 'b' : 'h') - : dir == 'h' ? 'b' : - 'v'); - - /* Don't change the window height/width to 'winheight' / 'winwidth' if a - * size was given. */ - if (flags & WSP_VERT) { - i = p_wiw; - if (size != 0) - p_wiw = size; - - } else { - i = p_wh; - if (size != 0) - p_wh = size; - } - - /* - * make the new window the current window - */ - win_enter(wp, FALSE); - if (flags & WSP_VERT) - p_wiw = i; - else - p_wh = i; - - 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. - */ -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++; - newp->w_cursor = oldp->w_cursor; - newp->w_valid = 0; - newp->w_curswant = oldp->w_curswant; - newp->w_set_curswant = oldp->w_set_curswant; - newp->w_topline = oldp->w_topline; - newp->w_topfill = oldp->w_topfill; - newp->w_leftcol = oldp->w_leftcol; - newp->w_pcmark = oldp->w_pcmark; - newp->w_prev_pcmark = oldp->w_prev_pcmark; - newp->w_alt_fnum = oldp->w_alt_fnum; - newp->w_wrow = oldp->w_wrow; - newp->w_fraction = oldp->w_fraction; - newp->w_prev_fraction_row = oldp->w_prev_fraction_row; - copy_jumplist(oldp, newp); - if (flags & WSP_NEWLOC) { - /* Don't copy the location list. */ - newp->w_llist = NULL; - newp->w_llist_ref = NULL; - } else - copy_loclist(oldp, newp); - newp->w_localdir = (oldp->w_localdir == NULL) - ? NULL : vim_strsave(oldp->w_localdir); - - /* copy tagstack and folds */ - for (i = 0; i < oldp->w_tagstacklen; i++) { - newp->w_tagstack[i] = oldp->w_tagstack[i]; - if (newp->w_tagstack[i].tagname != NULL) - newp->w_tagstack[i].tagname = - vim_strsave(newp->w_tagstack[i].tagname); - } - newp->w_tagstackidx = oldp->w_tagstackidx; - newp->w_tagstacklen = oldp->w_tagstacklen; - copyFoldingState(oldp, newp); - - win_init_some(newp, oldp); - - check_colorcolumn(newp); -} - -/* - * 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. */ - newp->w_alist = oldp->w_alist; - ++newp->w_alist->al_refcount; - newp->w_arg_idx = oldp->w_arg_idx; - - /* copy options from existing window */ - win_copy_options(oldp, newp); -} - - -/* - * Check if "win" is a pointer to an existing window. - */ -int win_valid(win_T *win) -{ - win_T *wp; - - if (win == NULL) - return FALSE; - for (wp = firstwin; wp != NULL; wp = wp->w_next) - if (wp == win) - return TRUE; - return FALSE; -} - -/* - * Return the number of windows. - */ -int win_count(void) -{ - win_T *wp; - int count = 0; - - for (wp = firstwin; wp != NULL; wp = wp->w_next) - ++count; - return count; -} - -/* - * Make "count" windows on the screen. - * Return actual number of windows on the screen. - * Must be called when there is just one window, filling the whole screen - * (excluding the command line). - */ -int -make_windows ( - int count, - int vertical /* split windows vertically if TRUE */ -) -{ - int maxcount; - int todo; - - if (vertical) { - /* Each windows needs at least 'winminwidth' lines and a separator - * column. */ - maxcount = (curwin->w_width + curwin->w_vsep_width - - (p_wiw - p_wmw)) / (p_wmw + 1); - } else { - /* Each window needs at least 'winminheight' lines and a status line. */ - maxcount = (curwin->w_height + curwin->w_status_height - - (p_wh - p_wmh)) / (p_wmh + STATUS_HEIGHT); - } - - if (maxcount < 2) - maxcount = 2; - if (count > maxcount) - count = maxcount; - - /* - * add status line now, otherwise first window will be too big - */ - if (count > 1) - last_status(TRUE); - - /* - * Don't execute autocommands while creating the windows. Must do that - * when putting the buffers in the windows. - */ - block_autocmds(); - - /* todo is number of windows left to create */ - for (todo = count - 1; todo > 0; --todo) - if (vertical) { - if (win_split(curwin->w_width - (curwin->w_width - todo) - / (todo + 1) - 1, WSP_VERT | WSP_ABOVE) == FAIL) - break; - } else { - if (win_split(curwin->w_height - (curwin->w_height - todo - * STATUS_HEIGHT) / (todo + 1) - - STATUS_HEIGHT, WSP_ABOVE) == FAIL) - break; - } - - unblock_autocmds(); - - /* return actual number of windows */ - return count - todo; -} - -/* - * 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 (lastwin == firstwin) { /* just one window */ - beep_flush(); - return; - } - - - /* - * find window to exchange with - */ - if (Prenum) { - frp = curwin->w_frame->fr_parent->fr_child; - while (frp != NULL && --Prenum > 0) - frp = frp->fr_next; - } else if (curwin->w_frame->fr_next != NULL) /* Swap with next */ - frp = curwin->w_frame->fr_next; - else /* Swap last window in row/col with previous */ - frp = curwin->w_frame->fr_prev; - - /* We can only exchange a window with another window, not with a frame - * containing windows. */ - 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 and vsep width. - */ - wp2 = curwin->w_prev; - frp2 = curwin->w_frame->fr_prev; - if (wp->w_prev != curwin) { - win_remove(curwin, NULL); - frame_remove(curwin->w_frame); - win_append(wp->w_prev, curwin); - frame_insert(frp, curwin->w_frame); - } - if (wp != wp2) { - win_remove(wp, NULL); - frame_remove(wp->w_frame); - win_append(wp2, wp); - if (frp2 == NULL) - frame_insert(wp->w_frame->fr_parent->fr_child, wp->w_frame); - else - frame_append(frp2, wp->w_frame); - } - temp = curwin->w_status_height; - curwin->w_status_height = wp->w_status_height; - wp->w_status_height = temp; - temp = curwin->w_vsep_width; - curwin->w_vsep_width = wp->w_vsep_width; - wp->w_vsep_width = temp; - - /* If the windows are not in the same frame, exchange the sizes to avoid - * messing up the window layout. Otherwise fix the frame sizes. */ - if (curwin->w_frame->fr_parent != wp->w_frame->fr_parent) { - temp = curwin->w_height; - curwin->w_height = wp->w_height; - wp->w_height = temp; - temp = curwin->w_width; - curwin->w_width = wp->w_width; - wp->w_width = temp; - } else { - frame_fix_height(curwin); - frame_fix_height(wp); - frame_fix_width(curwin); - frame_fix_width(wp); - } - - (void)win_comp_pos(); /* recompute window positions */ - - win_enter(wp, TRUE); - redraw_later(CLEAR); -} - -/* - * rotate windows: if upwards TRUE the second window becomes the first one - * if upwards FALSE the first window becomes the second one - */ -static void win_rotate(int upwards, int count) -{ - win_T *wp1; - win_T *wp2; - frame_T *frp; - int n; - - if (firstwin == lastwin) { /* nothing to do */ - beep_flush(); - return; - } - - - /* Check if all frames in this row/col have one window. */ - for (frp = curwin->w_frame->fr_parent->fr_child; frp != NULL; - frp = frp->fr_next) - if (frp->fr_win == NULL) { - EMSG(_("E443: Cannot rotate when another window is split")); - return; - } - - while (count--) { - if (upwards) { /* first window becomes last window */ - /* remove first window/frame from the list */ - frp = curwin->w_frame->fr_parent->fr_child; - wp1 = frp->fr_win; - win_remove(wp1, NULL); - frame_remove(frp); - - /* find last frame and append removed window/frame after it */ - for (; frp->fr_next != NULL; frp = frp->fr_next) - ; - win_append(frp->fr_win, wp1); - frame_append(frp, wp1->w_frame); - - wp2 = frp->fr_win; /* previously last window */ - } else { /* last window becomes first window */ - /* find last window/frame in the list and remove it */ - for (frp = curwin->w_frame; frp->fr_next != NULL; - frp = frp->fr_next) - ; - wp1 = frp->fr_win; - wp2 = wp1->w_prev; /* will become last window */ - win_remove(wp1, NULL); - frame_remove(frp); - - /* append the removed window/frame before the first in the list */ - win_append(frp->fr_parent->fr_child->fr_win->w_prev, wp1); - frame_insert(frp->fr_parent->fr_child, frp); - } - - /* exchange status height and vsep width of old and new last window */ - n = wp2->w_status_height; - wp2->w_status_height = wp1->w_status_height; - wp1->w_status_height = n; - frame_fix_height(wp1); - frame_fix_height(wp2); - n = wp2->w_vsep_width; - wp2->w_vsep_width = wp1->w_vsep_width; - wp1->w_vsep_width = n; - frame_fix_width(wp1); - frame_fix_width(wp2); - - /* recompute w_winrow and w_wincol for all windows */ - (void)win_comp_pos(); - } - - redraw_later(CLEAR); -} - -/* - * Move the current window to the very top/bottom/left/right of the screen. - */ -static void win_totop(int size, int flags) -{ - int dir; - int height = curwin->w_height; - - if (lastwin == firstwin) { - beep_flush(); - return; - } - - /* Remove the window and frame from the tree of frames. */ - (void)winframe_remove(curwin, &dir, NULL); - win_remove(curwin, NULL); - last_status(FALSE); /* may need to remove last status line */ - (void)win_comp_pos(); /* recompute window positions */ - - /* Split a window on the desired side and put the window there. */ - (void)win_split_ins(size, flags, curwin, dir); - if (!(flags & WSP_VERT)) { - win_setheight(height); - if (p_ea) - win_equal(curwin, TRUE, 'v'); - } - -} - -/* - * 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; - - /* check if there is something to do */ - if (win2->w_next != win1) { - /* may need move the status line/vertical separator of the last window - * */ - if (win1 == lastwin) { - height = win1->w_prev->w_status_height; - win1->w_prev->w_status_height = win1->w_status_height; - win1->w_status_height = height; - if (win1->w_prev->w_vsep_width == 1) { - /* Remove the vertical separator from the last-but-one window, - * add it to the last window. Adjust the frame widths. */ - win1->w_prev->w_vsep_width = 0; - win1->w_prev->w_frame->fr_width -= 1; - win1->w_vsep_width = 1; - win1->w_frame->fr_width += 1; - } - } else if (win2 == lastwin) { - height = win1->w_status_height; - win1->w_status_height = win2->w_status_height; - win2->w_status_height = height; - if (win1->w_vsep_width == 1) { - /* Remove the vertical separator from win1, add it to the last - * window, win2. Adjust the frame widths. */ - win2->w_vsep_width = 1; - win2->w_frame->fr_width += 1; - win1->w_vsep_width = 0; - win1->w_frame->fr_width -= 1; - } - } - win_remove(win1, NULL); - frame_remove(win1->w_frame); - win_append(win2, win1); - frame_append(win2->w_frame, win1->w_frame); - - (void)win_comp_pos(); /* recompute w_winrow for all windows */ - redraw_later(NOT_VALID); - } - win_enter(win1, FALSE); -} - -/* - * Make all windows the same height. - * 'next_curwin' will soon be the current window, make sure it has enough - * rows. - */ -void -win_equal ( - win_T *next_curwin, /* pointer to current window to be or NULL */ - int current, /* do only frame with current window */ - int dir /* 'v' for vertically, 'h' for horizontally, - 'b' for both, 0 for using p_ead */ -) -{ - if (dir == 0) - dir = *p_ead; - win_equal_rec(next_curwin == NULL ? curwin : next_curwin, current, - topframe, dir, 0, tabline_height(), - (int)Columns, topframe->fr_height); -} - -/* - * Set a frame to a new position and height, spreading the available room - * equally over contained frames. - * The window "next_curwin" (if not NULL) should at least get the size from - * 'winheight' and 'winwidth' if possible. - */ -static void -win_equal_rec ( - win_T *next_curwin, /* pointer to current window to be or NULL */ - int current, /* do only frame with current window */ - frame_T *topfr, /* frame to set size off */ - int dir, /* 'v', 'h' or 'b', see win_equal() */ - int col, /* horizontal position for frame */ - int row, /* vertical position for frame */ - int width, /* new width of frame */ - int height /* new height of frame */ -) -{ - int n, m; - int extra_sep = 0; - int wincount, totwincount = 0; - frame_T *fr; - int next_curwin_size = 0; - int room = 0; - int new_size; - int has_next_curwin = 0; - int hnc; - - if (topfr->fr_layout == FR_LEAF) { - /* Set the width/height of this frame. - * Redraw when size or position changes */ - if (topfr->fr_height != height || topfr->fr_win->w_winrow != row - || topfr->fr_width != width || topfr->fr_win->w_wincol != col - ) { - topfr->fr_win->w_winrow = row; - frame_new_height(topfr, height, FALSE, FALSE); - topfr->fr_win->w_wincol = col; - frame_new_width(topfr, width, FALSE, FALSE); - redraw_all_later(CLEAR); - } - } else if (topfr->fr_layout == FR_ROW) { - topfr->fr_width = width; - topfr->fr_height = height; - - if (dir != 'v') { /* equalize frame widths */ - /* Compute the maximum number of windows horizontally in this - * frame. */ - n = frame_minwidth(topfr, NOWIN); - /* add one for the rightmost window, it doesn't have a separator */ - if (col + width == Columns) - extra_sep = 1; - else - extra_sep = 0; - totwincount = (n + extra_sep) / (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); - room = width - m; - if (room < 0) { - next_curwin_size = p_wiw + room; - room = 0; - } else { - next_curwin_size = -1; - for (fr = topfr->fr_child; fr != NULL; fr = fr->fr_next) { - /* If 'winfixwidth' set keep the window width if - * possible. - * Watch out for this window being the next_curwin. */ - if (frame_fixed_width(fr)) { - n = frame_minwidth(fr, NOWIN); - new_size = fr->fr_width; - if (frame_has_win(fr, next_curwin)) { - room += p_wiw - p_wmw; - next_curwin_size = 0; - if (new_size < p_wiw) - new_size = p_wiw; - } else - /* These windows don't use up room. */ - totwincount -= (n + (fr->fr_next == NULL - ? extra_sep : 0)) / (p_wmw + 1); - room -= new_size - n; - if (room < 0) { - new_size += room; - room = 0; - } - fr->fr_newwidth = new_size; - } - } - if (next_curwin_size == -1) { - if (!has_next_curwin) - next_curwin_size = 0; - else if (totwincount > 1 - && (room + (totwincount - 2)) - / (totwincount - 1) > p_wiw) { - /* Can make all windows wider than 'winwidth', spread - * the room equally. */ - next_curwin_size = (room + p_wiw - + (totwincount - 1) * p_wmw - + (totwincount - 1)) / totwincount; - room -= next_curwin_size - p_wiw; - } else - next_curwin_size = p_wiw; - } - } - - if (has_next_curwin) - --totwincount; /* don't count curwin */ - } - - for (fr = topfr->fr_child; fr != NULL; fr = fr->fr_next) { - n = m = 0; - wincount = 1; - if (fr->fr_next == NULL) - /* last frame gets all that remains (avoid roundoff error) */ - new_size = width; - else if (dir == 'v') - new_size = fr->fr_width; - else if (frame_fixed_width(fr)) { - new_size = fr->fr_newwidth; - wincount = 0; /* doesn't count as a sizeable window */ - } else { - /* Compute the maximum number of windows horiz. in "fr". */ - n = frame_minwidth(fr, NOWIN); - wincount = (n + (fr->fr_next == NULL ? extra_sep : 0)) - / (p_wmw + 1); - m = frame_minwidth(fr, next_curwin); - if (has_next_curwin) - hnc = frame_has_win(fr, next_curwin); - else - hnc = FALSE; - if (hnc) /* don't count next_curwin */ - --wincount; - if (totwincount == 0) - new_size = room; - else - new_size = (wincount * room + (totwincount / 2)) / totwincount; - if (hnc) { /* add next_curwin size */ - next_curwin_size -= p_wiw - (m - n); - new_size += next_curwin_size; - room -= new_size - next_curwin_size; - } else - room -= new_size; - new_size += n; - } - - /* Skip frame that is full width when splitting or closing a - * window, unless equalizing all frames. */ - if (!current || dir != 'v' || topfr->fr_parent != NULL - || (new_size != fr->fr_width) - || frame_has_win(fr, next_curwin)) - win_equal_rec(next_curwin, current, fr, dir, col, row, - new_size, height); - col += new_size; - width -= new_size; - totwincount -= wincount; - } - } else { /* topfr->fr_layout == FR_COL */ - topfr->fr_width = width; - topfr->fr_height = height; - - if (dir != 'h') { /* equalize frame heights */ - /* Compute maximum number of windows vertically in this frame. */ - n = frame_minheight(topfr, NOWIN); - /* add one for the bottom window if it doesn't have a statusline */ - if (row + height == cmdline_row && p_ls == 0) - extra_sep = 1; - else - extra_sep = 0; - totwincount = (n + extra_sep) / (p_wmh + 1); - 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); - room = height - m; - if (room < 0) { - /* The room is less then 'winheight', use all space for the - * current window. */ - next_curwin_size = p_wh + room; - room = 0; - } else { - next_curwin_size = -1; - for (fr = topfr->fr_child; fr != NULL; fr = fr->fr_next) { - /* If 'winfixheight' set keep the window height if - * possible. - * Watch out for this window being the next_curwin. */ - if (frame_fixed_height(fr)) { - n = frame_minheight(fr, NOWIN); - new_size = fr->fr_height; - if (frame_has_win(fr, next_curwin)) { - room += p_wh - p_wmh; - next_curwin_size = 0; - if (new_size < p_wh) - new_size = p_wh; - } else - /* These windows don't use up room. */ - totwincount -= (n + (fr->fr_next == NULL - ? extra_sep : 0)) / (p_wmh + 1); - room -= new_size - n; - if (room < 0) { - new_size += room; - room = 0; - } - fr->fr_newheight = new_size; - } - } - if (next_curwin_size == -1) { - if (!has_next_curwin) - next_curwin_size = 0; - else if (totwincount > 1 - && (room + (totwincount - 2)) - / (totwincount - 1) > p_wh) { - /* can make all windows higher than 'winheight', - * spread the room equally. */ - next_curwin_size = (room + p_wh - + (totwincount - 1) * p_wmh - + (totwincount - 1)) / totwincount; - room -= next_curwin_size - p_wh; - } else - next_curwin_size = p_wh; - } - } - - if (has_next_curwin) - --totwincount; /* don't count curwin */ - } - - for (fr = topfr->fr_child; fr != NULL; fr = fr->fr_next) { - n = m = 0; - wincount = 1; - if (fr->fr_next == NULL) - /* last frame gets all that remains (avoid roundoff error) */ - new_size = height; - else if (dir == 'h') - new_size = fr->fr_height; - else if (frame_fixed_height(fr)) { - new_size = fr->fr_newheight; - wincount = 0; /* doesn't count as a sizeable window */ - } else { - /* Compute the maximum number of windows vert. in "fr". */ - n = frame_minheight(fr, NOWIN); - wincount = (n + (fr->fr_next == NULL ? extra_sep : 0)) - / (p_wmh + 1); - m = frame_minheight(fr, next_curwin); - if (has_next_curwin) - hnc = frame_has_win(fr, next_curwin); - else - hnc = FALSE; - if (hnc) /* don't count next_curwin */ - --wincount; - if (totwincount == 0) - new_size = room; - else - new_size = (wincount * room + (totwincount / 2)) / totwincount; - if (hnc) { /* add next_curwin size */ - next_curwin_size -= p_wh - (m - n); - new_size += next_curwin_size; - room -= new_size - next_curwin_size; - } else - room -= new_size; - new_size += n; - } - /* Skip frame that is full width when splitting or closing a - * window, unless equalizing all frames. */ - if (!current || dir != 'h' || topfr->fr_parent != NULL - || (new_size != fr->fr_height) - || frame_has_win(fr, next_curwin)) - win_equal_rec(next_curwin, current, fr, dir, col, row, - width, new_size); - row += new_size; - height -= new_size; - totwincount -= wincount; - } - } -} - -/* - * close all windows for buffer 'buf' - */ -void -close_windows ( - buf_T *buf, - int keep_curwin /* don't close "curwin" */ -) -{ - win_T *wp; - tabpage_T *tp, *nexttp; - int h = tabline_height(); - - ++RedrawingDisabled; - - for (wp = firstwin; wp != NULL && lastwin != firstwin; ) { - if (wp->w_buffer == buf && (!keep_curwin || wp != curwin) - && !(wp->w_closing || wp->w_buffer->b_closing) - ) { - win_close(wp, FALSE); - - /* Start all over, autocommands may change the window layout. */ - wp = firstwin; - } else - wp = wp->w_next; - } - - /* Also check windows in other tab pages. */ - for (tp = first_tabpage; tp != NULL; tp = nexttp) { - nexttp = tp->tp_next; - if (tp != curtab) - for (wp = tp->tp_firstwin; wp != NULL; wp = wp->w_next) - if (wp->w_buffer == buf - && !(wp->w_closing || wp->w_buffer->b_closing) - ) { - win_close_othertab(wp, FALSE, tp); - - /* Start all over, the tab page may be closed and - * autocommands may change the window layout. */ - nexttp = first_tabpage; - break; - } - } - - --RedrawingDisabled; - - redraw_tabline = TRUE; - if (h != tabline_height()) - shell_new_rows(); -} - -/* - * Return TRUE if the current window is the only window that exists (ignoring - * "aucmd_win"). - * Returns FALSE if there is a window, possibly in another tab page. - */ -static int last_window(void) -{ - return one_window() && first_tabpage->tp_next == NULL; -} - -/* - * Return TRUE if there is only one window other than "aucmd_win" in the - * current tab page. - */ -int one_window(void) -{ - win_T *wp; - int seen_one = FALSE; - - FOR_ALL_WINDOWS(wp) - { - if (wp != aucmd_win) { - if (seen_one) - return FALSE; - seen_one = TRUE; - } - } - return TRUE; -} - -/* - * Close the possibly last window in a tab page. - * Returns TRUE when the window was closed already. - */ -static int close_last_window_tabpage(win_T *win, int free_buf, tabpage_T *prev_curtab) -{ - if (firstwin == lastwin) { - buf_T *old_curbuf = curbuf; - - /* - * 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; - - /* 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()) - shell_new_rows(); - } - /* Since goto_tabpage_tp above did not trigger *Enter autocommands, do - * that now. */ - apply_autocmds(EVENT_WINENTER, NULL, NULL, FALSE, curbuf); - apply_autocmds(EVENT_TABENTER, NULL, NULL, FALSE, curbuf); - if (old_curbuf != curbuf) - apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); - return TRUE; - } - return FALSE; -} - -/* - * Close window "win". Only works for the current tab page. - * If "free_buf" is TRUE related buffer may be unloaded. - * - * Called by :quit, :close, :xit, :wq and findtag(). - * Returns FAIL when the window was not closed. - */ -int win_close(win_T *win, int free_buf) -{ - win_T *wp; - int other_buffer = FALSE; - int close_curwin = FALSE; - int dir; - int help_window = FALSE; - tabpage_T *prev_curtab = curtab; - - if (last_window()) { - EMSG(_("E444: Cannot close last window")); - return FAIL; - } - - if (win->w_closing || (win->w_buffer != NULL && win->w_buffer->b_closing)) - return FAIL; /* window is already being closed */ - if (win == aucmd_win) { - EMSG(_("E813: Cannot close autocmd window")); - return FAIL; - } - if ((firstwin == aucmd_win || lastwin == aucmd_win) && one_window()) { - EMSG(_("E814: Cannot close window, only autocmd window would remain")); - return FAIL; - } - - /* When closing the last window in a tab page first go to another tab page - * and then close the window and the tab page to avoid that curwin and - * curtab are invalid while we are freeing memory. */ - if (close_last_window_tabpage(win, free_buf, prev_curtab)) - return FAIL; - - /* When closing the help window, try restoring a snapshot after closing - * the window. Otherwise clear the snapshot, it's now invalid. */ - if (win->w_buffer != NULL && win->w_buffer->b_help) - help_window = TRUE; - else - clear_snapshot(curtab, SNAP_HELP_IDX); - - if (win == curwin) { - /* - * Guess which window is going to be the new current window. - * This may change because of the autocommands (sigh). - */ - wp = frame2win(win_altframe(win, NULL)); - - /* - * Be careful: If autocommands delete the window or cause this window - * to be the last one left, return now. - */ - if (wp->w_buffer != curbuf) { - other_buffer = TRUE; - win->w_closing = TRUE; - apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf); - if (!win_valid(win)) - return FAIL; - win->w_closing = FALSE; - if (last_window()) - return FAIL; - } - win->w_closing = TRUE; - apply_autocmds(EVENT_WINLEAVE, NULL, NULL, FALSE, curbuf); - if (!win_valid(win)) - return FAIL; - win->w_closing = FALSE; - if (last_window()) - return FAIL; - /* autocmds may abort script processing */ - if (aborting()) - return FAIL; - } - - - /* Free independent synblock before the buffer is freed. */ - if (win->w_buffer != NULL) - reset_synblock(win); - - /* - * Close the link to the buffer. - */ - if (win->w_buffer != NULL) { - win->w_closing = TRUE; - close_buffer(win, win->w_buffer, free_buf ? DOBUF_UNLOAD : 0, TRUE); - if (win_valid(win)) - win->w_closing = FALSE; - } - - if (only_one_window() && win_valid(win) && win->w_buffer == NULL - && (last_window() || curtab != prev_curtab - || close_last_window_tabpage(win, free_buf, prev_curtab))) { - /* Autocommands have close all windows, quit now. Restore - * curwin->w_buffer, otherwise writing viminfo may fail. */ - if (curwin->w_buffer == NULL) - curwin->w_buffer = curbuf; - getout(0); - } - /* Autocommands may have closed the window already, or closed the only - * other window or moved to another tab page. */ - else if (!win_valid(win) || last_window() || curtab != prev_curtab - || close_last_window_tabpage(win, free_buf, prev_curtab)) - return FAIL; - - /* Free the memory used for the window and get the window that received - * the screen space. */ - wp = win_free_mem(win, &dir, NULL); - - /* 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. - */ - for (;; ) { - if (wp->w_next == NULL) - wp = firstwin; - else - wp = wp->w_next; - if (wp == curwin) - break; - if (!wp->w_p_pvw && !bt_quickfix(wp->w_buffer)) { - curwin = wp; - break; - } - } - } - curbuf = curwin->w_buffer; - close_curwin = TRUE; - } - if (p_ea - && (*p_ead == 'b' || *p_ead == dir) - ) - win_equal(curwin, TRUE, - dir - ); - else - win_comp_pos(); - if (close_curwin) { - win_enter_ext(wp, FALSE, TRUE, TRUE, TRUE); - if (other_buffer) - /* careful: after this wp and win may be invalid! */ - apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); - } - - /* - * 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) - restore_snapshot(SNAP_HELP_IDX, close_curwin); - - - redraw_all_later(NOT_VALID); - return OK; -} - -/* - * 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) -{ - win_T *wp; - int dir; - tabpage_T *ptp = NULL; - int free_tp = FALSE; - - if (win->w_closing || win->w_buffer->b_closing) - return; /* window is already being closed */ - - /* Close the link to the buffer. */ - close_buffer(win, win->w_buffer, free_buf ? DOBUF_UNLOAD : 0, FALSE); - - /* 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) - ; - if (ptp == NULL || tp == curtab) - return; - - /* Autocommands may have closed the window already. */ - for (wp = tp->tp_firstwin; wp != NULL && wp != win; wp = wp->w_next) - ; - if (wp == NULL) - return; - - /* When closing the last window in a tab page remove the tab page. */ - if (tp == NULL ? firstwin == lastwin : tp->tp_firstwin == tp->tp_lastwin) { - if (tp == first_tabpage) - first_tabpage = tp->tp_next; - else { - for (ptp = first_tabpage; ptp != NULL && ptp->tp_next != tp; - ptp = ptp->tp_next) - ; - if (ptp == NULL) { - EMSG2(_(e_intern2), "win_close_othertab()"); - return; - } - ptp->tp_next = tp->tp_next; - } - free_tp = TRUE; - } - - /* Free the memory used for the window. */ - win_free_mem(win, &dir, tp); - - if (free_tp) - free_tabpage(tp); -} - -/* - * Free the memory used for a window. - * Returns a pointer to the window that got the freed up space. - */ -static win_T * -win_free_mem ( - win_T *win, - int *dirp, /* set to 'v' or 'h' for direction if 'ea' */ - tabpage_T *tp /* tab page "win" is in, NULL for current */ -) -{ - frame_T *frp; - win_T *wp; - - /* Remove the window and its frame from the tree of frames. */ - frp = win->w_frame; - wp = winframe_remove(win, dirp, tp); - free(frp); - 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) - tp->tp_curwin = wp; - - return wp; -} - -#if defined(EXITFREE) || defined(PROTO) -void win_free_all(void) -{ - int dummy; - - while (first_tabpage->tp_next != NULL) - tabpage_close(TRUE); - - if (aucmd_win != NULL) { - (void)win_free_mem(aucmd_win, &dummy, NULL); - aucmd_win = NULL; - } - - while (firstwin != NULL) - (void)win_free_mem(firstwin, &dummy, NULL); -} - -#endif - -/* - * Remove a window and its frame from the tree of frames. - * Returns a pointer to the window that got the freed up space. - */ -win_T * -winframe_remove ( - win_T *win, - int *dirp, /* set to 'v' or 'h' for direction if 'ea' */ - tabpage_T *tp /* tab page "win" is in, NULL for current */ -) -{ - 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 (tp == NULL ? firstwin == lastwin : tp->tp_firstwin == tp->tp_lastwin) - return NULL; - - /* - * Remove the window from its frame. - */ - frp2 = win_altframe(win, tp); - wp = frame2win(frp2); - - /* Remove this frame from the list of frames. */ - frame_remove(frp_close); - - if (frp_close->fr_parent->fr_layout == FR_COL) { - /* When 'winfixheight' is set, try to find another frame in the column - * (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; - while (frp != NULL || frp3 != NULL) { - if (frp != NULL) { - if (frp->fr_win != NULL && !frp->fr_win->w_p_wfh) { - frp2 = frp; - wp = frp->fr_win; - break; - } - frp = frp->fr_prev; - } - if (frp3 != NULL) { - if (frp3->fr_win != NULL && !frp3->fr_win->w_p_wfh) { - frp2 = frp3; - wp = frp3->fr_win; - break; - } - frp3 = frp3->fr_next; - } - } - } - frame_new_height(frp2, frp2->fr_height + frp_close->fr_height, - frp2 == frp_close->fr_next ? TRUE : FALSE, FALSE); - *dirp = 'v'; - } else { - /* When 'winfixwidth' is set, try to find another frame in the column - * (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; - while (frp != NULL || frp3 != NULL) { - if (frp