mirror of
https://github.com/vim/vim
synced 2025-03-15 22:37:52 +01:00
4950 lines
113 KiB
C
4950 lines
113 KiB
C
/* vi:set ts=8 sts=4 sw=4:
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*
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* VIM - Vi IMproved by Bram Moolenaar
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*
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* Do ":help uganda" in Vim to read a list of people who contributed.
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* Do ":help credits" in Vim to see a list of people who contributed.
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* See README.txt for an overview of the Vim source code.
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*/
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#include "vim.h"
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#ifdef HAVE_FCNTL_H
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# include <fcntl.h> /* for chdir() */
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#endif
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static int path_is_url __ARGS((char_u *p));
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#if defined(FEAT_WINDOWS) || defined(PROTO)
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static int win_split_ins __ARGS((int size, int flags, win_T *newwin, int dir));
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static int win_comp_pos __ARGS((void));
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static void frame_comp_pos __ARGS((frame_T *topfrp, int *row, int *col));
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static void frame_setheight __ARGS((frame_T *curfrp, int height));
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#ifdef FEAT_VERTSPLIT
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static void frame_setwidth __ARGS((frame_T *curfrp, int width));
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#endif
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static void win_exchange __ARGS((long));
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static void win_rotate __ARGS((int, int));
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static void win_totop __ARGS((int size, int flags));
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static void win_equal_rec __ARGS((win_T *next_curwin, int current, frame_T *topfr, int dir, int col, int row, int width, int height));
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static win_T *winframe_remove __ARGS((win_T *win, int *dirp));
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static frame_T *win_altframe __ARGS((win_T *win));
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static win_T *frame2win __ARGS((frame_T *frp));
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static int frame_has_win __ARGS((frame_T *frp, win_T *wp));
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static void frame_new_height __ARGS((frame_T *topfrp, int height, int topfirst, int wfh));
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static int frame_fixed_height __ARGS((frame_T *frp));
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#ifdef FEAT_VERTSPLIT
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static void frame_add_statusline __ARGS((frame_T *frp));
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static void frame_new_width __ARGS((frame_T *topfrp, int width, int leftfirst));
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static void frame_add_vsep __ARGS((frame_T *frp));
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static int frame_minwidth __ARGS((frame_T *topfrp, win_T *next_curwin));
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static void frame_fix_width __ARGS((win_T *wp));
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#endif
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static void frame_fix_height __ARGS((win_T *wp));
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static int frame_minheight __ARGS((frame_T *topfrp, win_T *next_curwin));
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static void win_enter_ext __ARGS((win_T *wp, int undo_sync, int no_curwin));
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static void win_free __ARGS((win_T *wp));
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static void win_append __ARGS((win_T *, win_T *));
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static void win_remove __ARGS((win_T *));
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static void frame_append __ARGS((frame_T *after, frame_T *frp));
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static void frame_insert __ARGS((frame_T *before, frame_T *frp));
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static void frame_remove __ARGS((frame_T *frp));
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#ifdef FEAT_VERTSPLIT
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static void win_new_width __ARGS((win_T *wp, int width));
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static int win_minheight __ARGS((win_T *wp));
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static void win_goto_ver __ARGS((int up, long count));
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static void win_goto_hor __ARGS((int left, long count));
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#endif
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static void frame_add_height __ARGS((frame_T *frp, int n));
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static void last_status_rec __ARGS((frame_T *fr, int statusline));
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static void make_snapshot __ARGS((void));
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static void make_snapshot_rec __ARGS((frame_T *fr, frame_T **frp));
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static void clear_snapshot __ARGS((void));
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static void clear_snapshot_rec __ARGS((frame_T *fr));
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static void restore_snapshot __ARGS((int close_curwin));
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static int check_snapshot_rec __ARGS((frame_T *sn, frame_T *fr));
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static win_T *restore_snapshot_rec __ARGS((frame_T *sn, frame_T *fr));
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#endif /* FEAT_WINDOWS */
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static win_T *win_alloc __ARGS((win_T *after));
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static void win_new_height __ARGS((win_T *, int));
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#define URL_SLASH 1 /* path_is_url() has found "://" */
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#define URL_BACKSLASH 2 /* path_is_url() has found ":\\" */
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#define NOWIN (win_T *)-1 /* non-exisiting window */
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#if defined(FEAT_WINDOWS) || defined(PROTO)
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/*
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* all CTRL-W window commands are handled here, called from normal_cmd().
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*/
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void
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do_window(nchar, Prenum, xchar)
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int nchar;
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long Prenum;
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int xchar; /* extra char from ":wincmd gx" or NUL */
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{
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long Prenum1;
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win_T *wp;
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#if defined(FEAT_SEARCHPATH) || defined(FEAT_FIND_ID)
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char_u *ptr;
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#endif
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#ifdef FEAT_FIND_ID
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int type = FIND_DEFINE;
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int len;
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#endif
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char_u cbuf[40];
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if (Prenum == 0)
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Prenum1 = 1;
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else
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Prenum1 = Prenum;
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#ifdef FEAT_CMDWIN
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# define CHECK_CMDWIN if (cmdwin_type != 0) { EMSG(_(e_cmdwin)); break; }
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#else
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# define CHECK_CMDWIN
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#endif
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switch (nchar)
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{
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/* split current window in two parts, horizontally */
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case 'S':
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case Ctrl_S:
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case 's':
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CHECK_CMDWIN
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#ifdef FEAT_VISUAL
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reset_VIsual_and_resel(); /* stop Visual mode */
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#endif
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#ifdef FEAT_GUI
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need_mouse_correct = TRUE;
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#endif
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win_split((int)Prenum, 0);
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break;
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#ifdef FEAT_VERTSPLIT
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/* split current window in two parts, vertically */
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case Ctrl_V:
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case 'v':
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CHECK_CMDWIN
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#ifdef FEAT_VISUAL
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reset_VIsual_and_resel(); /* stop Visual mode */
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#endif
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#ifdef FEAT_GUI
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need_mouse_correct = TRUE;
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#endif
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win_split((int)Prenum, WSP_VERT);
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break;
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#endif
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/* split current window and edit alternate file */
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case Ctrl_HAT:
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case '^':
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CHECK_CMDWIN
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#ifdef FEAT_VISUAL
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reset_VIsual_and_resel(); /* stop Visual mode */
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#endif
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STRCPY(cbuf, "split #");
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if (Prenum)
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sprintf((char *)cbuf + 7, "%ld", Prenum);
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do_cmdline_cmd(cbuf);
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break;
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/* open new window */
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case Ctrl_N:
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case 'n':
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CHECK_CMDWIN
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#ifdef FEAT_VISUAL
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reset_VIsual_and_resel(); /* stop Visual mode */
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#endif
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if (Prenum)
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sprintf((char *)cbuf, "%ld", Prenum); /* window height */
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else
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cbuf[0] = NUL;
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STRCAT(cbuf, "new");
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do_cmdline_cmd(cbuf);
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break;
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/* quit current window */
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case Ctrl_Q:
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case 'q':
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#ifdef FEAT_VISUAL
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reset_VIsual_and_resel(); /* stop Visual mode */
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#endif
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do_cmdline_cmd((char_u *)"quit");
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break;
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/* close current window */
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case Ctrl_C:
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case 'c':
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#ifdef FEAT_VISUAL
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reset_VIsual_and_resel(); /* stop Visual mode */
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#endif
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do_cmdline_cmd((char_u *)"close");
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break;
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#if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
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/* close preview window */
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case Ctrl_Z:
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case 'z':
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CHECK_CMDWIN
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#ifdef FEAT_VISUAL
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reset_VIsual_and_resel(); /* stop Visual mode */
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#endif
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do_cmdline_cmd((char_u *)"pclose");
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break;
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/* cursor to preview window */
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case 'P':
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for (wp = firstwin; wp != NULL; wp = wp->w_next)
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if (wp->w_p_pvw)
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break;
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if (wp == NULL)
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EMSG(_("E441: There is no preview window"));
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else
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win_goto(wp);
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break;
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#endif
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/* close all but current window */
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case Ctrl_O:
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case 'o':
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CHECK_CMDWIN
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#ifdef FEAT_VISUAL
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reset_VIsual_and_resel(); /* stop Visual mode */
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#endif
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do_cmdline_cmd((char_u *)"only");
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break;
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/* cursor to next window with wrap around */
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case Ctrl_W:
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case 'w':
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/* cursor to previous window with wrap around */
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case 'W':
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CHECK_CMDWIN
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if (lastwin == firstwin && Prenum != 1) /* just one window */
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beep_flush();
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else
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{
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if (Prenum) /* go to specified window */
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{
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for (wp = firstwin; --Prenum > 0; )
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{
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if (wp->w_next == NULL)
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break;
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else
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wp = wp->w_next;
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}
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}
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else
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{
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if (nchar == 'W') /* go to previous window */
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{
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wp = curwin->w_prev;
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if (wp == NULL)
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wp = lastwin; /* wrap around */
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}
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else /* go to next window */
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{
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wp = curwin->w_next;
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if (wp == NULL)
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wp = firstwin; /* wrap around */
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}
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}
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win_goto(wp);
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}
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break;
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/* cursor to window below */
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case 'j':
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case K_DOWN:
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case Ctrl_J:
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CHECK_CMDWIN
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#ifdef FEAT_VERTSPLIT
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win_goto_ver(FALSE, Prenum1);
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#else
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for (wp = curwin; wp->w_next != NULL && Prenum1-- > 0;
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wp = wp->w_next)
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;
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win_goto(wp);
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#endif
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break;
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/* cursor to window above */
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case 'k':
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case K_UP:
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case Ctrl_K:
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CHECK_CMDWIN
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#ifdef FEAT_VERTSPLIT
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win_goto_ver(TRUE, Prenum1);
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#else
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for (wp = curwin; wp->w_prev != NULL && Prenum1-- > 0;
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wp = wp->w_prev)
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;
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win_goto(wp);
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#endif
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break;
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#ifdef FEAT_VERTSPLIT
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/* cursor to left window */
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case 'h':
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case K_LEFT:
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case Ctrl_H:
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case K_BS:
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CHECK_CMDWIN
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win_goto_hor(TRUE, Prenum1);
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break;
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/* cursor to right window */
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case 'l':
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case K_RIGHT:
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case Ctrl_L:
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CHECK_CMDWIN
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win_goto_hor(FALSE, Prenum1);
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break;
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#endif
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/* cursor to top-left window */
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case 't':
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case Ctrl_T:
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win_goto(firstwin);
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break;
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/* cursor to bottom-right window */
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case 'b':
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case Ctrl_B:
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win_goto(lastwin);
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break;
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/* cursor to last accessed (previous) window */
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case 'p':
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case Ctrl_P:
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if (prevwin == NULL)
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beep_flush();
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else
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win_goto(prevwin);
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break;
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/* exchange current and next window */
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case 'x':
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case Ctrl_X:
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CHECK_CMDWIN
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win_exchange(Prenum);
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break;
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/* rotate windows downwards */
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case Ctrl_R:
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case 'r':
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CHECK_CMDWIN
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#ifdef FEAT_VISUAL
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reset_VIsual_and_resel(); /* stop Visual mode */
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#endif
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win_rotate(FALSE, (int)Prenum1); /* downwards */
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break;
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/* rotate windows upwards */
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case 'R':
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CHECK_CMDWIN
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#ifdef FEAT_VISUAL
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reset_VIsual_and_resel(); /* stop Visual mode */
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#endif
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win_rotate(TRUE, (int)Prenum1); /* upwards */
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break;
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/* move window to the very top/bottom/left/right */
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case 'K':
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case 'J':
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#ifdef FEAT_VERTSPLIT
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case 'H':
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case 'L':
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#endif
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CHECK_CMDWIN
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win_totop((int)Prenum,
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((nchar == 'H' || nchar == 'L') ? WSP_VERT : 0)
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| ((nchar == 'H' || nchar == 'K') ? WSP_TOP : WSP_BOT));
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break;
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/* make all windows the same height */
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case '=':
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#ifdef FEAT_GUI
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need_mouse_correct = TRUE;
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#endif
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win_equal(NULL, FALSE, 'b');
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break;
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/* increase current window height */
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case '+':
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#ifdef FEAT_GUI
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need_mouse_correct = TRUE;
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#endif
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win_setheight(curwin->w_height + (int)Prenum1);
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break;
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/* decrease current window height */
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case '-':
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#ifdef FEAT_GUI
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need_mouse_correct = TRUE;
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#endif
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win_setheight(curwin->w_height - (int)Prenum1);
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break;
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/* set current window height */
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case Ctrl__:
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case '_':
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#ifdef FEAT_GUI
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need_mouse_correct = TRUE;
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#endif
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win_setheight(Prenum ? (int)Prenum : 9999);
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break;
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#ifdef FEAT_VERTSPLIT
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/* increase current window width */
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case '>':
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#ifdef FEAT_GUI
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need_mouse_correct = TRUE;
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#endif
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win_setwidth(curwin->w_width + (int)Prenum1);
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break;
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/* decrease current window width */
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case '<':
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#ifdef FEAT_GUI
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need_mouse_correct = TRUE;
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#endif
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win_setwidth(curwin->w_width - (int)Prenum1);
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break;
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/* set current window width */
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case '|':
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#ifdef FEAT_GUI
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need_mouse_correct = TRUE;
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#endif
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win_setwidth(Prenum != 0 ? (int)Prenum : 9999);
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break;
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#endif
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/* jump to tag and split window if tag exists (in preview window) */
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#if defined(FEAT_QUICKFIX)
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case '}':
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CHECK_CMDWIN
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if (Prenum)
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g_do_tagpreview = Prenum;
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else
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g_do_tagpreview = p_pvh;
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/*FALLTHROUGH*/
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#endif
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case ']':
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case Ctrl_RSB:
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CHECK_CMDWIN
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#ifdef FEAT_VISUAL
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reset_VIsual_and_resel(); /* stop Visual mode */
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#endif
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if (Prenum)
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postponed_split = Prenum;
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else
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postponed_split = -1;
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/* Execute the command right here, required when
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* "wincmd ]" was used in a function. */
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do_nv_ident(Ctrl_RSB, NUL);
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break;
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#ifdef FEAT_SEARCHPATH
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/* edit file name under cursor in a new window */
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case 'f':
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case Ctrl_F:
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CHECK_CMDWIN
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#ifdef FEAT_VISUAL
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reset_VIsual_and_resel(); /* stop Visual mode */
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#endif
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ptr = file_name_at_cursor(FNAME_MESS|FNAME_HYP|FNAME_EXP,
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Prenum1);
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if (ptr != NULL)
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{
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#ifdef FEAT_GUI
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need_mouse_correct = TRUE;
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#endif
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setpcmark();
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if (win_split(0, 0) == OK)
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{
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# ifdef FEAT_SCROLLBIND
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curwin->w_p_scb = FALSE;
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# endif
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(void)do_ecmd(0, ptr, NULL, NULL, ECMD_LASTL,
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ECMD_HIDE);
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}
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vim_free(ptr);
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}
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break;
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#endif
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#ifdef FEAT_FIND_ID
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/* Go to the first occurence of the identifier under cursor along path in a
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* new window -- webb
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*/
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case 'i': /* Go to any match */
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case Ctrl_I:
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type = FIND_ANY;
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/* FALLTHROUGH */
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case 'd': /* Go to definition, using 'define' */
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case Ctrl_D:
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CHECK_CMDWIN
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if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0)
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break;
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find_pattern_in_path(ptr, 0, len, TRUE,
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Prenum == 0 ? TRUE : FALSE, type,
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Prenum1, ACTION_SPLIT, (linenr_T)1, (linenr_T)MAXLNUM);
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curwin->w_set_curswant = TRUE;
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break;
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#endif
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/* CTRL-W g extended commands */
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case 'g':
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case Ctrl_G:
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CHECK_CMDWIN
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#ifdef USE_ON_FLY_SCROLL
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dont_scroll = TRUE; /* disallow scrolling here */
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#endif
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++no_mapping;
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++allow_keys; /* no mapping for xchar, but allow key codes */
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if (xchar == NUL)
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xchar = safe_vgetc();
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#ifdef FEAT_LANGMAP
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LANGMAP_ADJUST(xchar, TRUE);
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#endif
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--no_mapping;
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--allow_keys;
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#ifdef FEAT_CMDL_INFO
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(void)add_to_showcmd(xchar);
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#endif
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switch (xchar)
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{
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#if defined(FEAT_QUICKFIX)
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case '}':
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xchar = Ctrl_RSB;
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if (Prenum)
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g_do_tagpreview = Prenum;
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else
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g_do_tagpreview = p_pvh;
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/*FALLTHROUGH*/
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#endif
|
|
case ']':
|
|
case Ctrl_RSB:
|
|
#ifdef FEAT_VISUAL
|
|
reset_VIsual_and_resel(); /* stop Visual mode */
|
|
#endif
|
|
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;
|
|
|
|
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(size, flags)
|
|
int size;
|
|
int flags;
|
|
{
|
|
/* 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();
|
|
else
|
|
clear_snapshot();
|
|
|
|
return win_split_ins(size, flags, NULL, 0);
|
|
}
|
|
|
|
/*
|
|
* When "newwin" is NULL: split a window in two.
|
|
* When "newwin" is not NULL: insert this window at the far
|
|
* top/left/right/bottom.
|
|
* return FAIL for failure, OK otherwise
|
|
*/
|
|
static int
|
|
win_split_ins(size, flags, newwin, dir)
|
|
int size;
|
|
int flags;
|
|
win_T *newwin;
|
|
int dir;
|
|
{
|
|
win_T *wp = newwin;
|
|
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 && newwin == NULL)
|
|
{
|
|
EMSG(_(e_noroom));
|
|
return FAIL;
|
|
}
|
|
need_status = STATUS_HEIGHT;
|
|
}
|
|
|
|
#ifdef FEAT_VERTSPLIT
|
|
if (flags & WSP_VERT)
|
|
{
|
|
layout = FR_ROW;
|
|
do_equal = (p_ea && new_size == 0 && *p_ead != 'v');
|
|
|
|
/*
|
|
* 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 && newwin == 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;
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
layout = FR_COL;
|
|
do_equal = (p_ea && new_size == 0
|
|
#ifdef FEAT_VERTSPLIT
|
|
&& *p_ead != 'h'
|
|
#endif
|
|
);
|
|
|
|
/*
|
|
* 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 && newwin == 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;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* 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)
|
|
&& (
|
|
#ifdef FEAT_VERTSPLIT
|
|
(flags & WSP_VERT) ? p_spr :
|
|
#endif
|
|
p_sb))))
|
|
{
|
|
/* new window below/right of current one */
|
|
if (newwin == NULL)
|
|
wp = win_alloc(oldwin);
|
|
else
|
|
win_append(oldwin, wp);
|
|
}
|
|
else
|
|
{
|
|
if (newwin == NULL)
|
|
wp = win_alloc(oldwin->w_prev);
|
|
else
|
|
win_append(oldwin->w_prev, wp);
|
|
}
|
|
|
|
if (newwin == NULL)
|
|
{
|
|
if (wp == NULL)
|
|
return FAIL;
|
|
|
|
/*
|
|
* make the contents of the new window the same as the current one
|
|
*/
|
|
wp->w_buffer = curbuf;
|
|
curbuf->b_nwindows++;
|
|
wp->w_cursor = curwin->w_cursor;
|
|
wp->w_valid = 0;
|
|
wp->w_curswant = curwin->w_curswant;
|
|
wp->w_set_curswant = curwin->w_set_curswant;
|
|
wp->w_topline = curwin->w_topline;
|
|
#ifdef FEAT_DIFF
|
|
wp->w_topfill = curwin->w_topfill;
|
|
#endif
|
|
wp->w_leftcol = curwin->w_leftcol;
|
|
wp->w_pcmark = curwin->w_pcmark;
|
|
wp->w_prev_pcmark = curwin->w_prev_pcmark;
|
|
wp->w_alt_fnum = curwin->w_alt_fnum;
|
|
wp->w_fraction = curwin->w_fraction;
|
|
wp->w_prev_fraction_row = curwin->w_prev_fraction_row;
|
|
#ifdef FEAT_JUMPLIST
|
|
copy_jumplist(curwin, wp);
|
|
#endif
|
|
if (curwin->w_localdir != NULL)
|
|
wp->w_localdir = vim_strsave(curwin->w_localdir);
|
|
|
|
/* Use the same argument list. */
|
|
wp->w_alist = curwin->w_alist;
|
|
++wp->w_alist->al_refcount;
|
|
wp->w_arg_idx = curwin->w_arg_idx;
|
|
|
|
/*
|
|
* copy tagstack and options from existing window
|
|
*/
|
|
for (i = 0; i < curwin->w_tagstacklen; i++)
|
|
{
|
|
wp->w_tagstack[i] = curwin->w_tagstack[i];
|
|
if (wp->w_tagstack[i].tagname != NULL)
|
|
wp->w_tagstack[i].tagname =
|
|
vim_strsave(wp->w_tagstack[i].tagname);
|
|
}
|
|
wp->w_tagstackidx = curwin->w_tagstackidx;
|
|
wp->w_tagstacklen = curwin->w_tagstacklen;
|
|
win_copy_options(curwin, wp);
|
|
#ifdef FEAT_FOLDING
|
|
copyFoldingState(curwin, wp);
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Reorganise the tree of frames to insert the new window.
|
|
*/
|
|
if (flags & (WSP_TOP | WSP_BOT))
|
|
{
|
|
#ifdef FEAT_VERTSPLIT
|
|
if ((topframe->fr_layout == FR_COL && (flags & WSP_VERT) == 0)
|
|
|| (topframe->fr_layout == FR_ROW && (flags & WSP_VERT) != 0))
|
|
#else
|
|
if (topframe->fr_layout == FR_COL)
|
|
#endif
|
|
{
|
|
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
|
|
#ifdef FEAT_VERTSPLIT
|
|
if (flags & WSP_VERT)
|
|
before = !p_spr;
|
|
else
|
|
#endif
|
|
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 = (frame_T *)alloc_clear((unsigned)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 (newwin == NULL)
|
|
{
|
|
/* Create a frame for the new window. */
|
|
frp = (frame_T *)alloc_clear((unsigned)sizeof(frame_T));
|
|
frp->fr_layout = FR_LEAF;
|
|
frp->fr_win = wp;
|
|
wp->w_frame = frp;
|
|
}
|
|
else
|
|
frp = newwin->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);
|
|
|
|
#ifdef FEAT_VERTSPLIT
|
|
if (flags & WSP_VERT)
|
|
{
|
|
wp->w_p_scr = curwin->w_p_scr;
|
|
if (need_status)
|
|
{
|
|
--oldwin->w_height;
|
|
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 = 0;
|
|
wp->w_height = 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;
|
|
wp->w_height = 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 */
|
|
wp->w_width = 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);
|
|
}
|
|
else
|
|
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
|
|
#endif
|
|
{
|
|
/* width and column of new window is same as current window */
|
|
#ifdef FEAT_VERTSPLIT
|
|
if (flags & (WSP_TOP | WSP_BOT))
|
|
{
|
|
wp->w_wincol = 0;
|
|
wp->w_width = Columns;
|
|
wp->w_vsep_width = 0;
|
|
}
|
|
else
|
|
{
|
|
wp->w_wincol = oldwin->w_wincol;
|
|
wp->w_width = oldwin->w_width;
|
|
wp->w_vsep_width = oldwin->w_vsep_width;
|
|
}
|
|
frp->fr_width = curfrp->fr_width;
|
|
#endif
|
|
|
|
/* "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;
|
|
}
|
|
#ifdef FEAT_VERTSPLIT
|
|
if (flags & WSP_BOT)
|
|
frame_add_statusline(curfrp);
|
|
#endif
|
|
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 */
|
|
}
|
|
|
|
/*
|
|
* make the new window the current window and redraw
|
|
*/
|
|
if (do_equal || dir != 0)
|
|
win_equal(wp, TRUE,
|
|
#ifdef FEAT_VERTSPLIT
|
|
(flags & WSP_VERT) ? (dir == 'v' ? 'b' : 'h')
|
|
: dir == 'h' ? 'b' :
|
|
#endif
|
|
'v');
|
|
|
|
/* Don't change the window height/width to 'winheight' / 'winwidth' if a
|
|
* size was given. */
|
|
#ifdef FEAT_VERTSPLIT
|
|
if (flags & WSP_VERT)
|
|
{
|
|
i = p_wiw;
|
|
if (size != 0)
|
|
p_wiw = size;
|
|
|
|
# ifdef FEAT_GUI
|
|
/* When 'guioptions' includes 'L' or 'R' may have to add scrollbars. */
|
|
if (gui.in_use)
|
|
gui_init_which_components(NULL);
|
|
# endif
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
i = p_wh;
|
|
if (size != 0)
|
|
p_wh = size;
|
|
}
|
|
win_enter(wp, FALSE);
|
|
#ifdef FEAT_VERTSPLIT
|
|
if (flags & WSP_VERT)
|
|
p_wiw = i;
|
|
else
|
|
#endif
|
|
p_wh = i;
|
|
|
|
return OK;
|
|
}
|
|
|
|
#endif /* FEAT_WINDOWS */
|
|
|
|
#ifdef FEAT_VERTSPLIT
|
|
/*
|
|
* Return minimal height for window "wp" and windows east of it.
|
|
* Takes into account the eastbound windws can be split, each of them
|
|
* requireing p_wmh lines. Doesn't count status lines.
|
|
*/
|
|
static int
|
|
win_minheight(wp)
|
|
win_T *wp;
|
|
{
|
|
int minheight = p_wmh;
|
|
int n;
|
|
win_T *wp1, *wp2;
|
|
|
|
wp1 = wp;
|
|
for (;;)
|
|
{
|
|
wp1 = wp1->w_next;
|
|
if (wp1 == NULL)
|
|
break;
|
|
n = p_wmh;
|
|
wp2 = wp1;
|
|
for (;;)
|
|
{
|
|
wp2 = wp2->w_next;
|
|
if (wp2 == NULL)
|
|
break;
|
|
n += win_minheight(wp2);
|
|
}
|
|
if (n > minheight)
|
|
minheight = n;
|
|
}
|
|
return minheight;
|
|
}
|
|
|
|
#endif
|
|
|
|
#if defined(FEAT_WINDOWS) || defined(PROTO)
|
|
/*
|
|
* Check if "win" is a pointer to an existing window.
|
|
*/
|
|
int
|
|
win_valid(win)
|
|
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()
|
|
{
|
|
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).
|
|
*/
|
|
/*ARGSUSED*/
|
|
int
|
|
make_windows(count, vertical)
|
|
int count;
|
|
int vertical; /* split windows vertically if TRUE */
|
|
{
|
|
int maxcount;
|
|
int todo;
|
|
|
|
#ifdef FEAT_VERTSPLIT
|
|
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
|
|
#endif
|
|
{
|
|
/* 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);
|
|
|
|
#ifdef FEAT_AUTOCMD
|
|
/*
|
|
* Don't execute autocommands while creating the windows. Must do that
|
|
* when putting the buffers in the windows.
|
|
*/
|
|
++autocmd_block;
|
|
#endif
|
|
|
|
/* todo is number of windows left to create */
|
|
for (todo = count - 1; todo > 0; --todo)
|
|
#ifdef FEAT_VERTSPLIT
|
|
if (vertical)
|
|
{
|
|
if (win_split(curwin->w_width - (curwin->w_width - todo)
|
|
/ (todo + 1) - 1, WSP_VERT | WSP_ABOVE) == FAIL)
|
|
break;
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
if (win_split(curwin->w_height - (curwin->w_height - todo
|
|
* STATUS_HEIGHT) / (todo + 1)
|
|
- STATUS_HEIGHT, WSP_ABOVE) == FAIL)
|
|
break;
|
|
}
|
|
|
|
#ifdef FEAT_AUTOCMD
|
|
--autocmd_block;
|
|
#endif
|
|
|
|
/* return actual number of windows */
|
|
return (count - todo);
|
|
}
|
|
|
|
/*
|
|
* Exchange current and next window
|
|
*/
|
|
static void
|
|
win_exchange(Prenum)
|
|
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;
|
|
}
|
|
|
|
#ifdef FEAT_GUI
|
|
need_mouse_correct = TRUE;
|
|
#endif
|
|
|
|
/*
|
|
* 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);
|
|
frame_remove(curwin->w_frame);
|
|
win_append(wp->w_prev, curwin);
|
|
frame_insert(frp, curwin->w_frame);
|
|
}
|
|
if (wp != wp2)
|
|
{
|
|
win_remove(wp);
|
|
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;
|
|
#ifdef FEAT_VERTSPLIT
|
|
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);
|
|
}
|
|
#endif
|
|
|
|
(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(upwards, count)
|
|
int upwards;
|
|
int count;
|
|
{
|
|
win_T *wp1;
|
|
win_T *wp2;
|
|
frame_T *frp;
|
|
int n;
|
|
|
|
if (firstwin == lastwin) /* nothing to do */
|
|
{
|
|
beep_flush();
|
|
return;
|
|
}
|
|
|
|
#ifdef FEAT_GUI
|
|
need_mouse_correct = TRUE;
|
|
#endif
|
|
|
|
#ifdef FEAT_VERTSPLIT
|
|
/* 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;
|
|
}
|
|
#endif
|
|
|
|
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);
|
|
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);
|
|
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);
|
|
#ifdef FEAT_VERTSPLIT
|
|
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);
|
|
#endif
|
|
|
|
/* 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(size, flags)
|
|
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);
|
|
win_remove(curwin);
|
|
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');
|
|
}
|
|
|
|
#if defined(FEAT_GUI) && defined(FEAT_VERTSPLIT)
|
|
/* When 'guioptions' includes 'L' or 'R' may have to remove or add
|
|
* scrollbars. Have to update them anyway. */
|
|
if (gui.in_use)
|
|
{
|
|
out_flush();
|
|
gui_init_which_components(NULL);
|
|
gui_update_scrollbars(TRUE);
|
|
}
|
|
need_mouse_correct = TRUE;
|
|
#endif
|
|
|
|
}
|
|
|
|
/*
|
|
* Move window "win1" to below/right of "win2" and make "win1" the current
|
|
* window. Only works within the same frame!
|
|
*/
|
|
void
|
|
win_move_after(win1, win2)
|
|
win_T *win1, *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;
|
|
#ifdef FEAT_VERTSPLIT
|
|
win1->w_prev->w_vsep_width = 0;
|
|
win1->w_vsep_width = 1;
|
|
#endif
|
|
}
|
|
else if (win2 == lastwin)
|
|
{
|
|
height = win1->w_status_height;
|
|
win1->w_status_height = win2->w_status_height;
|
|
win2->w_status_height = height;
|
|
#ifdef FEAT_VERTSPLIT
|
|
win2->w_vsep_width = 1;
|
|
win1->w_vsep_width = 0;
|
|
#endif
|
|
}
|
|
win_remove(win1);
|
|
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(next_curwin, current, dir)
|
|
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)
|
|
#ifdef FEAT_VERTSPLIT
|
|
dir = *p_ead;
|
|
#else
|
|
dir = 'b';
|
|
#endif
|
|
win_equal_rec(next_curwin == NULL ? curwin : next_curwin, current,
|
|
topframe, dir, 0, 0, (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(next_curwin, current, topfr, dir, col, row, width, height)
|
|
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
|
|
#ifdef FEAT_VERTSPLIT
|
|
|| topfr->fr_width != width || topfr->fr_win->w_wincol != col
|
|
#endif
|
|
)
|
|
{
|
|
topfr->fr_win->w_winrow = row;
|
|
frame_new_height(topfr, height, FALSE, FALSE);
|
|
#ifdef FEAT_VERTSPLIT
|
|
topfr->fr_win->w_wincol = col;
|
|
frame_new_width(topfr, width, FALSE);
|
|
#endif
|
|
redraw_all_later(CLEAR);
|
|
}
|
|
}
|
|
#ifdef FEAT_VERTSPLIT
|
|
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);
|
|
|
|
/* Compute room available for windows other than "next_curwin" */
|
|
m = frame_minwidth(topfr, next_curwin);
|
|
room = width - m;
|
|
if (room < 0)
|
|
{
|
|
next_curwin_size = p_wiw + room;
|
|
room = 0;
|
|
}
|
|
else if (n == m) /* doesn't contain curwin */
|
|
next_curwin_size = 0;
|
|
else
|
|
{
|
|
next_curwin_size = (room + p_wiw + (totwincount - 1) * p_wmw
|
|
+ (totwincount - 1)) / totwincount;
|
|
if (next_curwin_size > p_wiw)
|
|
room -= next_curwin_size - p_wiw;
|
|
else
|
|
next_curwin_size = p_wiw;
|
|
}
|
|
if (n != m)
|
|
--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
|
|
{
|
|
/* 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 (n != m) /* don't count next_curwin */
|
|
--wincount;
|
|
new_size = (wincount * room + ((unsigned)totwincount >> 1))
|
|
/ totwincount;
|
|
if (n != m) /* add next_curwin size */
|
|
{
|
|
next_curwin_size -= p_wiw - (m - n);
|
|
new_size += next_curwin_size;
|
|
}
|
|
}
|
|
|
|
/* Skip frame that is full height 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 + n, height);
|
|
col += new_size + n;
|
|
width -= new_size + n;
|
|
if (n != m) /* contains curwin */
|
|
room -= new_size - next_curwin_size;
|
|
else
|
|
room -= new_size;
|
|
totwincount -= wincount;
|
|
}
|
|
}
|
|
#endif
|
|
else /* topfr->fr_layout == FR_COL */
|
|
{
|
|
#ifdef FEAT_VERTSPLIT
|
|
topfr->fr_width = width;
|
|
#endif
|
|
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)
|
|
{
|
|
next_curwin_size = (room + p_wh + totwincount * 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 + ((unsigned)totwincount >> 1))
|
|
/ 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)
|
|
buf_T *buf;
|
|
{
|
|
win_T *win;
|
|
|
|
++RedrawingDisabled;
|
|
for (win = firstwin; win != NULL && lastwin != firstwin; )
|
|
{
|
|
if (win->w_buffer == buf)
|
|
{
|
|
win_close(win, FALSE);
|
|
win = firstwin; /* go back to the start */
|
|
}
|
|
else
|
|
win = win->w_next;
|
|
}
|
|
--RedrawingDisabled;
|
|
}
|
|
|
|
/*
|
|
* close window "win"
|
|
* If "free_buf" is TRUE related buffer may be unloaded.
|
|
*
|
|
* called by :quit, :close, :xit, :wq and findtag()
|
|
*/
|
|
void
|
|
win_close(win, free_buf)
|
|
win_T *win;
|
|
int free_buf;
|
|
{
|
|
win_T *wp;
|
|
#ifdef FEAT_AUTOCMD
|
|
int other_buffer = FALSE;
|
|
#endif
|
|
int close_curwin = FALSE;
|
|
frame_T *frp;
|
|
int dir;
|
|
int help_window = FALSE;
|
|
|
|
if (lastwin == firstwin)
|
|
{
|
|
EMSG(_("E444: Cannot close last window"));
|
|
return;
|
|
}
|
|
|
|
/* 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->b_help)
|
|
help_window = TRUE;
|
|
else
|
|
clear_snapshot();
|
|
|
|
#ifdef FEAT_AUTOCMD
|
|
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));
|
|
|
|
/*
|
|
* Be careful: If autocommands delete the window, return now.
|
|
*/
|
|
if (wp->w_buffer != curbuf)
|
|
{
|
|
other_buffer = TRUE;
|
|
apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf);
|
|
if (!win_valid(win) || firstwin == lastwin)
|
|
return;
|
|
}
|
|
apply_autocmds(EVENT_WINLEAVE, NULL, NULL, FALSE, curbuf);
|
|
if (!win_valid(win) || firstwin == lastwin)
|
|
return;
|
|
# ifdef FEAT_EVAL
|
|
/* autocmds may abort script processing */
|
|
if (aborting())
|
|
return;
|
|
# endif
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Close the link to the buffer.
|
|
*/
|
|
close_buffer(win, win->w_buffer, free_buf ? DOBUF_UNLOAD : 0);
|
|
/* Autocommands may have closed the window already, or closed the only
|
|
* other window. */
|
|
if (!win_valid(win) || firstwin == lastwin)
|
|
return;
|
|
|
|
/* reduce the reference count to the argument list. */
|
|
alist_unlink(win->w_alist);
|
|
|
|
/* remove the window and its frame from the tree of frames. */
|
|
frp = win->w_frame;
|
|
wp = winframe_remove(win, &dir);
|
|
vim_free(frp);
|
|
win_free(win);
|
|
|
|
/* 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;
|
|
#ifdef FEAT_QUICKFIX
|
|
if (wp->w_p_pvw || bt_quickfix(wp->w_buffer))
|
|
{
|
|
/*
|
|
* 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;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
curbuf = curwin->w_buffer;
|
|
close_curwin = TRUE;
|
|
}
|
|
if (p_ea)
|
|
win_equal(curwin, TRUE,
|
|
#ifdef FEAT_VERTSPLIT
|
|
dir
|
|
#else
|
|
0
|
|
#endif
|
|
);
|
|
else
|
|
win_comp_pos();
|
|
if (close_curwin)
|
|
{
|
|
win_enter_ext(wp, FALSE, TRUE);
|
|
#ifdef FEAT_AUTOCMD
|
|
if (other_buffer)
|
|
/* careful: after this wp and win may be invalid! */
|
|
apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf);
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* 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(close_curwin);
|
|
|
|
#if defined(FEAT_GUI) && defined(FEAT_VERTSPLIT)
|
|
/* When 'guioptions' includes 'L' or 'R' may have to remove scrollbars. */
|
|
if (gui.in_use && !win_hasvertsplit())
|
|
gui_init_which_components(NULL);
|
|
#endif
|
|
|
|
redraw_all_later(NOT_VALID);
|
|
}
|
|
|
|
/*
|
|
* Remove a window and its frame from the tree of frames.
|
|
* Returns a pointer to the window that got the freed up space.
|
|
*/
|
|
/*ARGSUSED*/
|
|
static win_T *
|
|
winframe_remove(win, dirp)
|
|
win_T *win;
|
|
int *dirp; /* set to 'v' or 'h' for direction if 'ea' */
|
|
{
|
|
frame_T *frp, *frp2, *frp3;
|
|
frame_T *frp_close = win->w_frame;
|
|
win_T *wp;
|
|
int old_height = 0;
|
|
|
|
/*
|
|
* Remove the window from its frame.
|
|
*/
|
|
frp2 = win_altframe(win);
|
|
wp = frame2win(frp2);
|
|
|
|
/* Remove this frame from the list of frames. */
|
|
frame_remove(frp_close);
|
|
|
|
#ifdef FEAT_VERTSPLIT
|
|
if (frp_close->fr_parent->fr_layout == FR_COL)
|
|
{
|
|
#endif
|
|
/* When 'winfixheight' is set, remember its old size and restore
|
|
* it later (it's a simplistic solution...). Don't do this if the
|
|
* window will occupy the full height of the screen. */
|
|
if (frp2->fr_win != NULL
|
|
&& (frp2->fr_next != NULL || frp2->fr_prev != NULL)
|
|
&& frp2->fr_win->w_p_wfh)
|
|
old_height = frp2->fr_win->w_height;
|
|
frame_new_height(frp2, frp2->fr_height + frp_close->fr_height,
|
|
frp2 == frp_close->fr_next ? TRUE : FALSE, FALSE);
|
|
if (old_height != 0)
|
|
win_setheight_win(old_height, frp2->fr_win);
|
|
#ifdef FEAT_VERTSPLIT
|
|
*dirp = 'v';
|
|
}
|
|
else
|
|
{
|
|
frame_new_width(frp2, frp2->fr_width + frp_close->fr_width,
|
|
frp2 == frp_close->fr_next ? TRUE : FALSE);
|
|
*dirp = 'h';
|
|
}
|
|
#endif
|
|
|
|
/* If rows/columns go to a window below/right its positions need to be
|
|
* updated. Can only be done after the sizes have been updated. */
|
|
if (frp2 == frp_close->fr_next)
|
|
{
|
|
int row = win->w_winrow;
|
|
int col = W_WINCOL(win);
|
|
|
|
frame_comp_pos(frp2, &row, &col);
|
|
}
|
|
|
|
if (frp2->fr_next == NULL && frp2->fr_prev == NULL)
|
|
{
|
|
/* There is no other frame in this list, move its info to the parent
|
|
* and remove it. */
|
|
frp2->fr_parent->fr_layout = frp2->fr_layout;
|
|
frp2->fr_parent->fr_child = frp2->fr_child;
|
|
for (frp = frp2->fr_child; frp != NULL; frp = frp->fr_next)
|
|
frp->fr_parent = frp2->fr_parent;
|
|
frp2->fr_parent->fr_win = frp2->fr_win;
|
|
if (frp2->fr_win != NULL)
|
|
frp2->fr_win->w_frame = frp2->fr_parent;
|
|
frp = frp2->fr_parent;
|
|
vim_free(frp2);
|
|
|
|
frp2 = frp->fr_parent;
|
|
if (frp2 != NULL && frp2->fr_layout == frp->fr_layout)
|
|
{
|
|
/* The frame above the parent has the same layout, have to merge
|
|
* the frames into this list. */
|
|
if (frp2->fr_child == frp)
|
|
frp2->fr_child = frp->fr_child;
|
|
frp->fr_child->fr_prev = frp->fr_prev;
|
|
if (frp->fr_prev != NULL)
|
|
frp->fr_prev->fr_next = frp->fr_child;
|
|
for (frp3 = frp->fr_child; ; frp3 = frp3->fr_next)
|
|
{
|
|
frp3->fr_parent = frp2;
|
|
if (frp3->fr_next == NULL)
|
|
{
|
|
frp3->fr_next = frp->fr_next;
|
|
if (frp->fr_next != NULL)
|
|
frp->fr_next->fr_prev = frp3;
|
|
break;
|
|
}
|
|
}
|
|
vim_free(frp);
|
|
}
|
|
}
|
|
|
|
return wp;
|
|
}
|
|
|
|
/*
|
|
* Find out which frame is going to get the freed up space when "win" is
|
|
* closed.
|
|
* if 'splitbelow'/'splitleft' the space goes to the window above/left.
|
|
* if 'nosplitbelow'/'nosplitleft' the space goes to the window below/right.
|
|
* This makes opening a window and closing it immediately keep the same window
|
|
* layout.
|
|
*/
|
|
static frame_T *
|
|
win_altframe(win)
|
|
win_T *win;
|
|
{
|
|
frame_T *frp;
|
|
int b;
|
|
|
|
frp = win->w_frame;
|
|
#ifdef FEAT_VERTSPLIT
|
|
if (frp->fr_parent->fr_layout == FR_ROW)
|
|
b = p_spr;
|
|
else
|
|
#endif
|
|
b = p_sb;
|
|
if ((!b && frp->fr_next != NULL) || frp->fr_prev == NULL)
|
|
return frp->fr_next;
|
|
return frp->fr_prev;
|
|
}
|
|
|
|
/*
|
|
* Find the left-upper window in frame "frp".
|
|
*/
|
|
static win_T *
|
|
frame2win(frp)
|
|
frame_T *frp;
|
|
{
|
|
while (frp->fr_win == NULL)
|
|
frp = frp->fr_child;
|
|
return frp->fr_win;
|
|
}
|
|
|
|
/*
|
|
* Return TRUE if frame "frp" contains window "wp".
|
|
*/
|
|
static int
|
|
frame_has_win(frp, wp)
|
|
frame_T *frp;
|
|
win_T *wp;
|
|
{
|
|
frame_T *p;
|
|
|
|
if (frp->fr_layout == FR_LEAF)
|
|
return frp->fr_win == wp;
|
|
|
|
for (p = frp->fr_child; p != NULL; p = p->fr_next)
|
|
if (frame_has_win(p, wp))
|
|
return TRUE;
|
|
return FALSE;
|
|
}
|
|
|
|
/*
|
|
* Set a new height for a frame. Recursively sets the height for contained
|
|
* frames and windows. Caller must take care of positions.
|
|
*/
|
|
static void
|
|
frame_new_height(topfrp, height, topfirst, wfh)
|
|
frame_T *topfrp;
|
|
int height;
|
|
int topfirst; /* resize topmost contained frame first */
|
|
int wfh; /* obey 'winfixheight' when there is a choice;
|
|
may cause the height not to be set */
|
|
{
|
|
frame_T *frp;
|
|
int extra_lines;
|
|
int h;
|
|
|
|
if (topfrp->fr_win != NULL)
|
|
{
|
|
/* Simple case: just one window. */
|
|
win_new_height(topfrp->fr_win,
|
|
height - topfrp->fr_win->w_status_height);
|
|
}
|
|
#ifdef FEAT_VERTSPLIT
|
|
else if (topfrp->fr_layout == FR_ROW)
|
|
{
|
|
do
|
|
{
|
|
/* All frames in this row get the same new height. */
|
|
for (frp = topfrp->fr_child; frp != NULL; frp = frp->fr_next)
|
|
{
|
|
frame_new_height(frp, height, topfirst, wfh);
|
|
if (frp->fr_height > height)
|
|
{
|
|
/* Could not fit the windows, make the whole row higher. */
|
|
height = frp->fr_height;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
while (frp != NULL);
|
|
}
|
|
#endif
|
|
else
|
|
{
|
|
/* Complicated case: Resize a column of frames. Resize the bottom
|
|
* frame first, frames above that when needed. */
|
|
|
|
frp = topfrp->fr_child;
|
|
if (wfh)
|
|
/* Advance past frames with one window with 'wfh' set. */
|
|
while (frame_fixed_height(frp))
|
|
{
|
|
frp = frp->fr_next;
|
|
if (frp == NULL)
|
|
return; /* no frame without 'wfh', give up */
|
|
}
|
|
if (!topfirst)
|
|
{
|
|
/* Find the bottom frame of this column */
|
|
while (frp->fr_next != NULL)
|
|
frp = frp->fr_next;
|
|
if (wfh)
|
|
/* Advance back for frames with one window with 'wfh' set. */
|
|
while (frame_fixed_height(frp))
|
|
frp = frp->fr_prev;
|
|
}
|
|
|
|
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);
|
|
if (frp->fr_height + extra_lines < h)
|
|
{
|
|
extra_lines += frp->fr_height - h;
|
|
frame_new_height(frp, h, topfirst, wfh);
|
|
}
|
|
else
|
|
{
|
|
frame_new_height(frp, frp->fr_height + extra_lines,
|
|
topfirst, wfh);
|
|
break;
|
|
}
|
|
if (topfirst)
|
|
{
|
|
do
|
|
frp = frp->fr_next;
|
|
while (wfh && frp != NULL && frame_fixed_height(frp));
|
|
}
|
|
else
|
|
{
|
|
do
|
|
frp = frp->fr_prev;
|
|
while (wfh && frp != NULL && frame_fixed_height(frp));
|
|
}
|
|
/* Increase "height" if we could not reduce enough frames. */
|
|
if (frp == NULL)
|
|
height -= extra_lines;
|
|
}
|
|
}
|
|
else if (extra_lines > 0)
|
|
{
|
|
/* increase height of bottom or top frame */
|
|
frame_new_height(frp, frp->fr_height + extra_lines, topfirst, wfh);
|
|
}
|
|
}
|
|
topfrp->fr_height = height;
|
|
}
|
|
|
|
/*
|
|
* Return TRUE if height of frame "frp" should not be changed because of
|
|
* the 'winfixheight' option.
|
|
*/
|
|
static int
|
|
frame_fixed_height(frp)
|
|
frame_T *frp;
|
|
{
|
|
/* frame with one window: fixed height if 'winfixheight' set. */
|
|
if (frp->fr_win != NULL)
|
|
return frp->fr_win->w_p_wfh;
|
|
|
|
if (frp->fr_layout == FR_ROW)
|
|
{
|
|
/* The frame is fixed height if one of the frames in the row is fixed
|
|
* height. */
|
|
for (frp = frp->fr_child; frp != NULL; frp = frp->fr_next)
|
|
if (frame_fixed_height(frp))
|
|
return TRUE;
|
|
return FALSE;
|
|
}
|
|
|
|
/* frp->fr_layout == FR_COL: The frame is fixed height if all of the
|
|
* frames in the row are fixed height. */
|
|
for (frp = frp->fr_child; frp != NULL; frp = frp->fr_next)
|
|
if (!frame_fixed_height(frp))
|
|
return FALSE;
|
|
return TRUE;
|
|
}
|
|
|
|
#ifdef FEAT_VERTSPLIT
|
|
/*
|
|
* Add a status line to windows at the bottom of "frp".
|
|
* Note: Does not check if there is room!
|
|
*/
|
|
static void
|
|
frame_add_statusline(frp)
|
|
frame_T *frp;
|
|
{
|
|
win_T *wp;
|
|
|
|
if (frp->fr_layout == FR_LEAF)
|
|
{
|
|
wp = frp->fr_win;
|
|
if (wp->w_status_height == 0)
|
|
{
|
|
if (wp->w_height > 0) /* don't make it negative */
|
|
--wp->w_height;
|
|
wp->w_status_height = STATUS_HEIGHT;
|
|
}
|
|
}
|
|
else if (frp->fr_layout == FR_ROW)
|
|
{
|
|
/* Handle all the frames in the row. */
|
|
for (frp = frp->fr_child; frp != NULL; frp = frp->fr_next)
|
|
frame_add_statusline(frp);
|
|
}
|
|
else /* frp->fr_layout == FR_COL */
|
|
{
|
|
/* Only need to handle the last frame in the column. */
|
|
for (frp = frp->fr_child; frp->fr_next != NULL; frp = frp->fr_next)
|
|
;
|
|
frame_add_statusline(frp);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Set width of a frame. Handles recursively going through contained frames.
|
|
* May remove separator line for windows at the right side (for win_close()).
|
|
*/
|
|
static void
|
|
frame_new_width(topfrp, width, leftfirst)
|
|
frame_T *topfrp;
|
|
int width;
|
|
int leftfirst; /* resize leftmost contained frame first */
|
|
{
|
|
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;
|
|
/* Find out if there are any windows right of this one. */
|
|
for (frp = topfrp; frp->fr_parent != NULL; frp = frp->fr_parent)
|
|
if (frp->fr_parent->fr_layout == FR_ROW && frp->fr_next != NULL)
|
|
break;
|
|
if (frp->fr_parent == NULL)
|
|
wp->w_vsep_width = 0;
|
|
win_new_width(wp, width - wp->w_vsep_width);
|
|
}
|
|
else if (topfrp->fr_layout == FR_COL)
|
|
{
|
|
/* All frames in this column get the same new width. */
|
|
for (frp = topfrp->fr_child; frp != NULL; frp = frp->fr_next)
|
|
frame_new_width(frp, width, leftfirst);
|
|
}
|
|
else /* fr_layout == FR_ROW */
|
|
{
|
|
/* Complicated case: Resize a row of frames. Resize the rightmost
|
|
* frame first, frames left of it when needed. */
|
|
|
|
/* Find the rightmost frame of this row */
|
|
frp = topfrp->fr_child;
|
|
if (!leftfirst)
|
|
while (frp->fr_next != NULL)
|
|
frp = frp->fr_next;
|
|
|
|
extra_cols = width - topfrp->fr_width;
|
|
if (extra_cols < 0)
|
|
{
|
|
/* reduce frame width, rightmost frame first */
|
|
while (frp != NULL)
|
|
{
|
|
w = frame_minwidth(frp, NULL);
|
|
if (frp->fr_width + extra_cols < w)
|
|
{
|
|
extra_cols += frp->fr_width - w;
|
|
frame_new_width(frp, w, leftfirst);
|
|
}
|
|
else
|
|
{
|
|
frame_new_width(frp, frp->fr_width + extra_cols, leftfirst);
|
|
break;
|
|
}
|
|
if (leftfirst)
|
|
frp = frp->fr_next;
|
|
else
|
|
frp = frp->fr_prev;
|
|
}
|
|
}
|
|
else if (extra_cols > 0)
|
|
{
|
|
/* increase width of rightmost frame */
|
|
frame_new_width(frp, frp->fr_width + extra_cols, leftfirst);
|
|
}
|
|
}
|
|
topfrp->fr_width = width;
|
|
}
|
|
|
|
/*
|
|
* Add the vertical separator to windows at the right side of "frp".
|
|
* Note: Does not check if there is room!
|
|
*/
|
|
static void
|
|
frame_add_vsep(frp)
|
|
frame_T *frp;
|
|
{
|
|
win_T *wp;
|
|
|
|
if (frp->fr_layout == FR_LEAF)
|
|
{
|
|
wp = frp->fr_win;
|
|
if (wp->w_vsep_width == 0)
|
|
{
|
|
if (wp->w_width > 0) /* don't make it negative */
|
|
--wp->w_width;
|
|
wp->w_vsep_width = 1;
|
|
}
|
|
}
|
|
else if (frp->fr_layout == FR_COL)
|
|
{
|
|
/* Handle all the frames in the column. */
|
|
for (frp = frp->fr_child; frp != NULL; frp = frp->fr_next)
|
|
frame_add_vsep(frp);
|
|
}
|
|
else /* frp->fr_layout == FR_ROW */
|
|
{
|
|
/* Only need to handle the last frame in the row. */
|
|
frp = frp->fr_child;
|
|
while (frp->fr_next != NULL)
|
|
frp = frp->fr_next;
|
|
frame_add_vsep(frp);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Set frame width from the window it contains.
|
|
*/
|
|
static void
|
|
frame_fix_width(wp)
|
|
win_T *wp;
|
|
{
|
|
wp->w_frame->fr_width = wp->w_width + wp->w_vsep_width;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Set frame height from the window it contains.
|
|
*/
|
|
static void
|
|
frame_fix_height(wp)
|
|
win_T *wp;
|
|
{
|
|
wp->w_frame->fr_height = wp->w_height + wp->w_status_height;
|
|
}
|
|
|
|
/*
|
|
* Compute the minimal height for frame "topfrp".
|
|
* Uses the 'winminheight' option.
|
|
* When "next_curwin" isn't NULL, use p_wh for this window.
|
|
* When "next_curwin" is NOWIN, don't use at least one line for the current
|
|
* window.
|
|
*/
|
|
static int
|
|
frame_minheight(topfrp, next_curwin)
|
|
frame_T *topfrp;
|
|
win_T *next_curwin;
|
|
{
|
|
frame_T *frp;
|
|
int m;
|
|
#ifdef FEAT_VERTSPLIT
|
|
int n;
|
|
#endif
|
|
|
|
if (topfrp->fr_win != NULL)
|
|
{
|
|
if (topfrp->fr_win == next_curwin)
|
|
m = p_wh + topfrp->fr_win->w_status_height;
|
|
else
|
|
{
|
|
/* window: minimal height of the window plus status line */
|
|
m = p_wmh + topfrp->fr_win->w_status_height;
|
|
/* Current window is minimal one line high */
|
|
if (p_wmh == 0 && topfrp->fr_win == curwin && next_curwin == NULL)
|
|
++m;
|
|
}
|
|
}
|
|
#ifdef FEAT_VERTSPLIT
|
|
else if (topfrp->fr_layout == FR_ROW)
|
|
{
|
|
/* get the minimal height from each frame in this row */
|
|
m = 0;
|
|
for (frp = topfrp->fr_child; frp != NULL; frp = frp->fr_next)
|
|
{
|
|
n = frame_minheight(frp, next_curwin);
|
|
if (n > m)
|
|
m = n;
|
|
}
|
|
}
|
|
#endif
|
|
else
|
|
{
|
|
/* Add up the minimal heights for all frames in this column. */
|
|
m = 0;
|
|
for (frp = topfrp->fr_child; frp != NULL; frp = frp->fr_next)
|
|
m += frame_minheight(frp, next_curwin);
|
|
}
|
|
|
|
return m;
|
|
}
|
|
|
|
#ifdef FEAT_VERTSPLIT
|
|
/*
|
|
* Compute the minimal width for frame "topfrp".
|
|
* When "next_curwin" isn't NULL, use p_wiw for this window.
|
|
* When "next_curwin" is NOWIN, don't use at least one column for the current
|
|
* window.
|
|
*/
|
|
static int
|
|
frame_minwidth(topfrp, next_curwin)
|
|
frame_T *topfrp;
|
|
win_T *next_curwin; /* use p_wh and p_wiw for next_curwin */
|
|
{
|
|
frame_T *frp;
|
|
int m, n;
|
|
|
|
if (topfrp->fr_win != NULL)
|
|
{
|
|
if (topfrp->fr_win == next_curwin)
|
|
m = p_wiw + topfrp->fr_win->w_vsep_width;
|
|
else
|
|
{
|
|
/* window: minimal width of the window plus separator column */
|
|
m = p_wmw + topfrp->fr_win->w_vsep_width;
|
|
/* Current window is minimal one column wide */
|
|
if (p_wmw == 0 && topfrp->fr_win == curwin && next_curwin == NULL)
|
|
++m;
|
|
}
|
|
}
|
|
else if (topfrp->fr_layout == FR_COL)
|
|
{
|
|
/* get the minimal width from each frame in this column */
|
|
m = 0;
|
|
for (frp = topfrp->fr_child; frp != NULL; frp = frp->fr_next)
|
|
{
|
|
n = frame_minwidth(frp, next_curwin);
|
|
if (n > m)
|
|
m = n;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Add up the minimal widths for all frames in this row. */
|
|
m = 0;
|
|
for (frp = topfrp->fr_child; frp != NULL; frp = frp->fr_next)
|
|
m += frame_minwidth(frp, next_curwin);
|
|
}
|
|
|
|
return m;
|
|
}
|
|
#endif
|
|
|
|
|
|
/*
|
|
* Try to close all windows except current one.
|
|
* Buffers in the other windows become hidden if 'hidden' is set, or '!' is
|
|
* used and the buffer was modified.
|
|
*
|
|
* Used by ":bdel" and ":only".
|
|
*/
|
|
void
|
|
close_others(message, forceit)
|
|
int message;
|
|
int forceit; /* always hide all other windows */
|
|
{
|
|
win_T *wp;
|
|
win_T *nextwp;
|
|
int r;
|
|
|
|
if (lastwin == firstwin)
|
|
{
|
|
if (message
|
|
#ifdef FEAT_AUTOCMD
|
|
&& !autocmd_busy
|
|
#endif
|
|
)
|
|
MSG(_("Already only one window"));
|
|
return;
|
|
}
|
|
|
|
/* Be very careful here: autocommands may change the window layout. */
|
|
for (wp = firstwin; win_valid(wp); wp = nextwp)
|
|
{
|
|
nextwp = wp->w_next;
|
|
if (wp != curwin) /* don't close current window */
|
|
{
|
|
|
|
/* Check if it's allowed to abandon this window */
|
|
r = can_abandon(wp->w_buffer, forceit);
|
|
#ifdef FEAT_AUTOCMD
|
|
if (!win_valid(wp)) /* autocommands messed wp up */
|
|
{
|
|
nextwp = firstwin;
|
|
continue;
|
|
}
|
|
#endif
|
|
if (!r)
|
|
{
|
|
#if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
|
|
if (message && (p_confirm || cmdmod.confirm) && p_write)
|
|
{
|
|
dialog_changed(wp->w_buffer, FALSE);
|
|
# ifdef FEAT_AUTOCMD
|
|
if (!win_valid(wp)) /* autocommands messed wp up */
|
|
{
|
|
nextwp = firstwin;
|
|
continue;
|
|
}
|
|
# endif
|
|
}
|
|
if (bufIsChanged(wp->w_buffer))
|
|
#endif
|
|
continue;
|
|
}
|
|
win_close(wp, !P_HID(wp->w_buffer) && !bufIsChanged(wp->w_buffer));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If current window has a status line and we don't want one,
|
|
* remove the status line.
|
|
*/
|
|
if (lastwin != firstwin)
|
|
EMSG(_("E445: Other window contains changes"));
|
|
}
|
|
|
|
#endif /* FEAT_WINDOWS */
|
|
|
|
/*
|
|
* init the cursor in the window
|
|
*
|
|
* called when a new file is being edited
|
|
*/
|
|
void
|
|
win_init(wp)
|
|
win_T *wp;
|
|
{
|
|
redraw_win_later(wp, NOT_VALID);
|
|
wp->w_lines_valid = 0;
|
|
wp->w_cursor.lnum = 1;
|
|
wp->w_curswant = wp->w_cursor.col = 0;
|
|
#ifdef FEAT_VIRTUALEDIT
|
|
wp->w_cursor.coladd = 0;
|
|
#endif
|
|
wp->w_pcmark.lnum = 1; /* pcmark not cleared but set to line 1 */
|
|
wp->w_pcmark.col = 0;
|
|
wp->w_prev_pcmark.lnum = 0;
|
|
wp->w_prev_pcmark.col = 0;
|
|
wp->w_topline = 1;
|
|
#ifdef FEAT_DIFF
|
|
wp->w_topfill = 0;
|
|
#endif
|
|
wp->w_botline = 2;
|
|
#ifdef FEAT_FKMAP
|
|
if (curwin->w_p_rl)
|
|
wp->w_farsi = W_CONV + W_R_L;
|
|
else
|
|
wp->w_farsi = W_CONV;
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Allocate the first window and put an empty buffer in it.
|
|
* Called from main().
|
|
* When this fails we can't do anything: exit.
|
|
*/
|
|
void
|
|
win_alloc_first()
|
|
{
|
|
curwin = win_alloc(NULL);
|
|
curbuf = buflist_new(NULL, NULL, 1L, BLN_LISTED);
|
|
if (curwin == NULL || curbuf == NULL)
|
|
mch_exit(0);
|
|
curwin->w_buffer = curbuf;
|
|
curbuf->b_nwindows = 1; /* there is one window */
|
|
#ifdef FEAT_WINDOWS
|
|
curwin->w_alist = &global_alist;
|
|
#endif
|
|
win_init(curwin); /* init current window */
|
|
|
|
topframe = (frame_T *)alloc_clear((unsigned)sizeof(frame_T));
|
|
if (topframe == NULL)
|
|
mch_exit(0);
|
|
topframe->fr_layout = FR_LEAF;
|
|
#ifdef FEAT_VERTSPLIT
|
|
topframe->fr_width = Columns;
|
|
#endif
|
|
topframe->fr_height = Rows - p_ch;
|
|
topframe->fr_win = curwin;
|
|
curwin->w_frame = topframe;
|
|
}
|
|
|
|
#if defined(FEAT_WINDOWS) || defined(PROTO)
|
|
|
|
/*
|
|
* 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(wp)
|
|
win_T *wp;
|
|
{
|
|
#ifdef FEAT_CMDWIN
|
|
if (cmdwin_type != 0)
|
|
{
|
|
beep_flush();
|
|
return;
|
|
}
|
|
#endif
|
|
#ifdef FEAT_VISUAL
|
|
if (wp->w_buffer != curbuf)
|
|
reset_VIsual_and_resel();
|
|
else if (VIsual_active)
|
|
wp->w_cursor = curwin->w_cursor;
|
|
#endif
|
|
|
|
#ifdef FEAT_GUI
|
|
need_mouse_correct = TRUE;
|
|
#endif
|
|
win_enter(wp, TRUE);
|
|
}
|
|
|
|
#if defined(FEAT_PERL) || defined(PROTO)
|
|
/*
|
|
* Find window number "winnr" (counting top to bottom).
|
|
*/
|
|
win_T *
|
|
win_find_nr(winnr)
|
|
int winnr;
|
|
{
|
|
win_T *wp;
|
|
|
|
# ifdef FEAT_WINDOWS
|
|
for (wp = firstwin; wp != NULL; wp = wp->w_next)
|
|
if (--winnr == 0)
|
|
break;
|
|
return wp;
|
|
# else
|
|
return curwin;
|
|
# endif
|
|
}
|
|
#endif
|
|
|
|
#ifdef FEAT_VERTSPLIT
|
|
/*
|
|
* Move to window above or below "count" times.
|
|
*/
|
|
static void
|
|
win_goto_ver(up, count)
|
|
int up; /* TRUE to go to win above */
|
|
long count;
|
|
{
|
|
frame_T *fr;
|
|
frame_T *nfr;
|
|
frame_T *foundfr;
|
|
|
|
foundfr = curwin->w_frame;
|
|
while (count--)
|
|
{
|
|
/*
|
|
* First go upwards in the tree of frames until we find a upwards or
|
|
* downwards neighbor.
|
|
*/
|
|
fr = foundfr;
|
|
for (;;)
|
|
{
|
|
if (fr == topframe)
|
|
goto end;
|
|
if (up)
|
|
nfr = fr->fr_prev;
|
|
else
|
|
nfr = fr->fr_next;
|
|
if (fr->fr_parent->fr_layout == FR_COL && nfr != NULL)
|
|
break;
|
|
fr = fr->fr_parent;
|
|
}
|
|
|
|
/*
|
|
* Now go downwards to find the bottom or top frame in it.
|
|
*/
|
|
for (;;)
|
|
{
|
|
if (nfr->fr_layout == FR_LEAF)
|
|
{
|
|
foundfr = nfr;
|
|
break;
|
|
}
|
|
fr = nfr->fr_child;
|
|
if (nfr->fr_layout == FR_ROW)
|
|
{
|
|
/* Find the frame at the cursor row. */
|
|
while (fr->fr_next != NULL
|
|
&& frame2win(fr)->w_wincol + fr->fr_width
|
|
<= curwin->w_wincol + curwin->w_wcol)
|
|
fr = fr->fr_next;
|
|
}
|
|
if (nfr->fr_layout == FR_COL && up)
|
|
while (fr->fr_next != NULL)
|
|
fr = fr->fr_next;
|
|
nfr = fr;
|
|
}
|
|
}
|
|
end:
|
|
if (foundfr != NULL)
|
|
win_goto(foundfr->fr_win);
|
|
}
|
|
|
|
/*
|
|
* Move to left or right window.
|
|
*/
|
|
static void
|
|
win_goto_hor(left, count)
|
|
int left; /* TRUE to go to left win */
|
|
long count;
|
|
{
|
|
frame_T *fr;
|
|
frame_T *nfr;
|
|
frame_T *foundfr;
|
|
|
|
foundfr = curwin->w_frame;
|
|
while (count--)
|
|
{
|
|
/*
|
|
* First go upwards in the tree of frames until we find a left or
|
|
* right neighbor.
|
|
*/
|
|
fr = foundfr;
|
|
for (;;)
|
|
{
|
|
if (fr == topframe)
|
|
goto end;
|
|
if (left)
|
|
nfr = fr->fr_prev;
|
|
else
|
|
nfr = fr->fr_next;
|
|
if (fr->fr_parent->fr_layout == FR_ROW && nfr != NULL)
|
|
break;
|
|
fr = fr->fr_parent;
|
|
}
|
|
|
|
/*
|
|
* Now go downwards to find the leftmost or rightmost frame in it.
|
|
*/
|
|
for (;;)
|
|
{
|
|
if (nfr->fr_layout == FR_LEAF)
|
|
{
|
|
foundfr = nfr;
|
|
break;
|
|
}
|
|
fr = nfr->fr_child;
|
|
if (nfr->fr_layout == FR_COL)
|
|
{
|
|
/* Find the frame at the cursor row. */
|
|
while (fr->fr_next != NULL
|
|
&& frame2win(fr)->w_winrow + fr->fr_height
|
|
<= curwin->w_winrow + curwin->w_wrow)
|
|
fr = fr->fr_next;
|
|
}
|
|
if (nfr->fr_layout == FR_ROW && left)
|
|
while (fr->fr_next != NULL)
|
|
fr = fr->fr_next;
|
|
nfr = fr;
|
|
}
|
|
}
|
|
end:
|
|
if (foundfr != NULL)
|
|
win_goto(foundfr->fr_win);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Make window "wp" the current window.
|
|
*/
|
|
void
|
|
win_enter(wp, undo_sync)
|
|
win_T *wp;
|
|
int undo_sync;
|
|
{
|
|
win_enter_ext(wp, undo_sync, FALSE);
|
|
}
|
|
|
|
/*
|
|
* Make window wp the current window.
|
|
* Can be called with "curwin_invalid" TRUE, which means that curwin has just
|
|
* been closed and isn't valid.
|
|
*/
|
|
static void
|
|
win_enter_ext(wp, undo_sync, curwin_invalid)
|
|
win_T *wp;
|
|
int undo_sync;
|
|
int curwin_invalid;
|
|
{
|
|
#ifdef FEAT_AUTOCMD
|
|
int other_buffer = FALSE;
|
|
#endif
|
|
|
|
if (wp == curwin && !curwin_invalid) /* nothing to do */
|
|
return;
|
|
|
|
#ifdef FEAT_AUTOCMD
|
|
if (!curwin_invalid)
|
|
{
|
|
/*
|
|
* Be careful: If autocommands delete the window, return now.
|
|
*/
|
|
if (wp->w_buffer != curbuf)
|
|
{
|
|
apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf);
|
|
other_buffer = TRUE;
|
|
if (!win_valid(wp))
|
|
return;
|
|
}
|
|
apply_autocmds(EVENT_WINLEAVE, NULL, NULL, FALSE, curbuf);
|
|
if (!win_valid(wp))
|
|
return;
|
|
# ifdef FEAT_EVAL
|
|
/* autocmds may abort script processing */
|
|
if (aborting())
|
|
return;
|
|
# endif
|
|
}
|
|
#endif
|
|
|
|
/* sync undo before leaving the current buffer */
|
|
if (undo_sync && curbuf != wp->w_buffer)
|
|
u_sync();
|
|
/* may have to copy the buffer options when 'cpo' contains 'S' */
|
|
if (wp->w_buffer != curbuf)
|
|
buf_copy_options(wp->w_buffer, BCO_ENTER | BCO_NOHELP);
|
|
if (!curwin_invalid)
|
|
{
|
|
prevwin = curwin; /* remember for CTRL-W p */
|
|
curwin->w_redr_status = TRUE;
|
|
}
|
|
curwin = wp;
|
|
curbuf = wp->w_buffer;
|
|
check_cursor();
|
|
#ifdef FEAT_VIRTUALEDIT
|
|
if (!virtual_active())
|
|
curwin->w_cursor.coladd = 0;
|
|
#endif
|
|
changed_line_abv_curs(); /* assume cursor position needs updating */
|
|
|
|
if (curwin->w_localdir != NULL)
|
|
{
|
|
/* Window has a local directory: Save current directory as global
|
|
* directory (unless that was done already) and change to the local
|
|
* directory. */
|
|
if (globaldir == NULL)
|
|
{
|
|
char_u cwd[MAXPATHL];
|
|
|
|
if (mch_dirname(cwd, MAXPATHL) == OK)
|
|
globaldir = vim_strsave(cwd);
|
|
}
|
|
mch_chdir((char *)curwin->w_localdir);
|
|
shorten_fnames(TRUE);
|
|
}
|
|
else if (globaldir != NULL)
|
|
{
|
|
/* Window doesn't have a local directory and we are not in the global
|
|
* directory: Change to the global directory. */
|
|
mch_chdir((char *)globaldir);
|
|
vim_free(globaldir);
|
|
globaldir = NULL;
|
|
shorten_fnames(TRUE);
|
|
}
|
|
|
|
#ifdef FEAT_AUTOCMD
|
|
apply_autocmds(EVENT_WINENTER, NULL, NULL, FALSE, curbuf);
|
|
if (other_buffer)
|
|
apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf);
|
|
#endif
|
|
|
|
#ifdef FEAT_TITLE
|
|
maketitle();
|
|
#endif
|
|
curwin->w_redr_status = TRUE;
|
|
if (restart_edit)
|
|
redraw_later(VALID); /* causes status line redraw */
|
|
|
|
/* set window height to desired minimal value */
|
|
if (curwin->w_height < p_wh && !curwin->w_p_wfh)
|
|
win_setheight((int)p_wh);
|
|
else if (curwin->w_height == 0)
|
|
win_setheight(1);
|
|
|
|
#ifdef FEAT_VERTSPLIT
|
|
/* set window width to desired minimal value */
|
|
if (curwin->w_width < p_wiw)
|
|
win_setwidth((int)p_wiw);
|
|
#endif
|
|
|
|
#ifdef FEAT_MOUSE
|
|
setmouse(); /* in case jumped to/from help buffer */
|
|
#endif
|
|
|
|
#if defined(FEAT_NETBEANS_INTG) || defined(FEAT_SUN_WORKSHOP)
|
|
/* Change directories when the acd option is set on and after
|
|
* switching windows. */
|
|
if (p_acd && curbuf->b_ffname != NULL
|
|
&& vim_chdirfile(curbuf->b_ffname) == OK)
|
|
shorten_fnames(TRUE);
|
|
#endif
|
|
}
|
|
|
|
#endif /* FEAT_WINDOWS */
|
|
|
|
#if defined(FEAT_WINDOWS) || defined(FEAT_SIGNS) || defined(PROTO)
|
|
/*
|
|
* Jump to the first open window that contains buffer buf if one exists
|
|
* TODO: Alternatively jump to last open window? Dependent from 'splitbelow'?
|
|
* Returns pointer to window if it exists, otherwise NULL.
|
|
*/
|
|
win_T *
|
|
buf_jump_open_win(buf)
|
|
buf_T *buf;
|
|
{
|
|
# ifdef FEAT_WINDOWS
|
|
win_T *wp;
|
|
|
|
for (wp = firstwin; wp; wp = wp->w_next)
|
|
if (wp->w_buffer == buf)
|
|
break;
|
|
if (wp != NULL)
|
|
win_enter(wp, FALSE);
|
|
return wp;
|
|
# else
|
|
if (curwin->w_buffer == buf)
|
|
return curwin;
|
|
return NULL;
|
|
# endif
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* allocate a window structure and link it in the window list
|
|
*/
|
|
/*ARGSUSED*/
|
|
static win_T *
|
|
win_alloc(after)
|
|
win_T *after;
|
|
{
|
|
win_T *newwin;
|
|
|
|
/*
|
|
* allocate window structure and linesizes arrays
|
|
*/
|
|
newwin = (win_T *)alloc_clear((unsigned)sizeof(win_T));
|
|
if (newwin != NULL && win_alloc_lines(newwin) == FAIL)
|
|
{
|
|
vim_free(newwin);
|
|
newwin = NULL;
|
|
}
|
|
|
|
if (newwin != NULL)
|
|
{
|
|
/*
|
|
* link the window in the window list
|
|
*/
|
|
#ifdef FEAT_WINDOWS
|
|
win_append(after, newwin);
|
|
#endif
|
|
#ifdef FEAT_VERTSPLIT
|
|
newwin->w_wincol = 0;
|
|
newwin->w_width = Columns;
|
|
#endif
|
|
|
|
/* position the display and the cursor at the top of the file. */
|
|
newwin->w_topline = 1;
|
|
#ifdef FEAT_DIFF
|
|
newwin->w_topfill = 0;
|
|
#endif
|
|
newwin->w_botline = 2;
|
|
newwin->w_cursor.lnum = 1;
|
|
#ifdef FEAT_SCROLLBIND
|
|
newwin->w_scbind_pos = 1;
|
|
#endif
|
|
|
|
/* We won't calculate w_fraction until resizing the window */
|
|
newwin->w_fraction = 0;
|
|
newwin->w_prev_fraction_row = -1;
|
|
|
|
#ifdef FEAT_GUI
|
|
if (gui.in_use)
|
|
{
|
|
out_flush();
|
|
gui_create_scrollbar(&newwin->w_scrollbars[SBAR_LEFT],
|
|
SBAR_LEFT, newwin);
|
|
gui_create_scrollbar(&newwin->w_scrollbars[SBAR_RIGHT],
|
|
SBAR_RIGHT, newwin);
|
|
}
|
|
#endif
|
|
#ifdef FEAT_EVAL
|
|
var_init(&newwin->w_vars); /* init internal variables */
|
|
#endif
|
|
#ifdef FEAT_FOLDING
|
|
foldInitWin(newwin);
|
|
#endif
|
|
}
|
|
return newwin;
|
|
}
|
|
|
|
#if defined(FEAT_WINDOWS) || defined(PROTO)
|
|
|
|
/*
|
|
* remove window 'wp' from the window list and free the structure
|
|
*/
|
|
static void
|
|
win_free(wp)
|
|
win_T *wp;
|
|
{
|
|
int i;
|
|
|
|
#ifdef FEAT_MZSCHEME
|
|
mzscheme_window_free(wp);
|
|
#endif
|
|
|
|
#ifdef FEAT_PERL
|
|
perl_win_free(wp);
|
|
#endif
|
|
|
|
#ifdef FEAT_PYTHON
|
|
python_window_free(wp);
|
|
#endif
|
|
|
|
#ifdef FEAT_TCL
|
|
tcl_window_free(wp);
|
|
#endif
|
|
|
|
#ifdef FEAT_RUBY
|
|
ruby_window_free(wp);
|
|
#endif
|
|
|
|
clear_winopt(&wp->w_onebuf_opt);
|
|
clear_winopt(&wp->w_allbuf_opt);
|
|
|
|
#ifdef FEAT_EVAL
|
|
var_clear(&wp->w_vars); /* free all internal variables */
|
|
#endif
|
|
|
|
if (prevwin == wp)
|
|
prevwin = NULL;
|
|
win_free_lsize(wp);
|
|
|
|
for (i = 0; i < wp->w_tagstacklen; ++i)
|
|
vim_free(wp->w_tagstack[i].tagname);
|
|
|
|
vim_free(wp->w_localdir);
|
|
#ifdef FEAT_SEARCH_EXTRA
|
|
vim_free(wp->w_match.regprog);
|
|
#endif
|
|
#ifdef FEAT_JUMPLIST
|
|
free_jumplist(wp);
|
|
#endif
|
|
|
|
#ifdef FEAT_GUI
|
|
if (gui.in_use)
|
|
{
|
|
out_flush();
|
|
gui_mch_destroy_scrollbar(&wp->w_scrollbars[SBAR_LEFT]);
|
|
gui_mch_destroy_scrollbar(&wp->w_scrollbars[SBAR_RIGHT]);
|
|
}
|
|
#endif /* FEAT_GUI */
|
|
|
|
win_remove(wp);
|
|
vim_free(wp);
|
|
}
|
|
|
|
/*
|
|
* Append window "wp" in the window list after window "after".
|
|
*/
|
|
static void
|
|
win_append(after, wp)
|
|
win_T *after, *wp;
|
|
{
|
|
win_T *before;
|
|
|
|
if (after == NULL) /* after NULL is in front of the first */
|
|
before = firstwin;
|
|
else
|
|
before = after->w_next;
|
|
|
|
wp->w_next = before;
|
|
wp->w_prev = after;
|
|
if (after == NULL)
|
|
firstwin = wp;
|
|
else
|
|
after->w_next = wp;
|
|
if (before == NULL)
|
|
lastwin = wp;
|
|
else
|
|
before->w_prev = wp;
|
|
}
|
|
|
|
/*
|
|
* Remove a window from the window list.
|
|
*/
|
|
static void
|
|
win_remove(wp)
|
|
win_T *wp;
|
|
{
|
|
if (wp->w_prev != NULL)
|
|
wp->w_prev->w_next = wp->w_next;
|
|
else
|
|
firstwin = wp->w_next;
|
|
if (wp->w_next != NULL)
|
|
wp->w_next->w_prev = wp->w_prev;
|
|
else
|
|
lastwin = wp->w_prev;
|
|
}
|
|
|
|
/*
|
|
* Append frame "frp" in a frame list after frame "after".
|
|
*/
|
|
static void
|
|
frame_append(after, frp)
|
|
frame_T *after, *frp;
|
|
{
|
|
frp->fr_next = after->fr_next;
|
|
after->fr_next = frp;
|
|
if (frp->fr_next != NULL)
|
|
frp->fr_next->fr_prev = frp;
|
|
frp->fr_prev = after;
|
|
}
|
|
|
|
/*
|
|
* Insert frame "frp" in a frame list before frame "before".
|
|
*/
|
|
static void
|
|
frame_insert(before, frp)
|
|
frame_T *before, *frp;
|
|
{
|
|
frp->fr_next = before;
|
|
frp->fr_prev = before->fr_prev;
|
|
before->fr_prev = frp;
|
|
if (frp->fr_prev != NULL)
|
|
frp->fr_prev->fr_next = frp;
|
|
else
|
|
frp->fr_parent->fr_child = frp;
|
|
}
|
|
|
|
/*
|
|
* Remove a frame from a frame list.
|
|
*/
|
|
static void
|
|
frame_remove(frp)
|
|
frame_T *frp;
|
|
{
|
|
if (frp->fr_prev != NULL)
|
|
frp->fr_prev->fr_next = frp->fr_next;
|
|
else
|
|
frp->fr_parent->fr_child = frp->fr_next;
|
|
if (frp->fr_next != NULL)
|
|
frp->fr_next->fr_prev = frp->fr_prev;
|
|
}
|
|
|
|
#endif /* FEAT_WINDOWS */
|
|
|
|
/*
|
|
* Allocate w_lines[] for window "wp".
|
|
* Return FAIL for failure, OK for success.
|
|
*/
|
|
int
|
|
win_alloc_lines(wp)
|
|
win_T *wp;
|
|
{
|
|
wp->w_lines_valid = 0;
|
|
wp->w_lines = (wline_T *)alloc((unsigned)(Rows * sizeof(wline_T)));
|
|
if (wp->w_lines == NULL)
|
|
return FAIL;
|
|
return OK;
|
|
}
|
|
|
|
/*
|
|
* free lsize arrays for a window
|
|
*/
|
|
void
|
|
win_free_lsize(wp)
|
|
win_T *wp;
|
|
{
|
|
vim_free(wp->w_lines);
|
|
wp->w_lines = NULL;
|
|
}
|
|
|
|
/*
|
|
* Called from win_new_shellsize() after Rows changed.
|
|
*/
|
|
void
|
|
shell_new_rows()
|
|
{
|
|
int h = (int)(Rows - p_ch);
|
|
|
|
if (firstwin == NULL) /* not initialized yet */
|
|
return;
|
|
#ifdef FEAT_WINDOWS
|
|
if (h < frame_minheight(topframe, NULL))
|
|
h = frame_minheight(topframe, NULL);
|
|
/* First try setting the heights of windows without 'winfixheight'. If
|
|
* that doesn't result in the right height, forget about that option. */
|
|
frame_new_height(topframe, h, FALSE, TRUE);
|
|
if (topframe->fr_height != h)
|
|
frame_new_height(topframe, h, FALSE, FALSE);
|
|
|
|
(void)win_comp_pos(); /* recompute w_winrow and w_wincol */
|
|
#else
|
|
if (h < 1)
|
|
h = 1;
|
|
win_new_height(firstwin, h);
|
|
#endif
|
|
compute_cmdrow();
|
|
#if 0
|
|
/* Disabled: don't want making the screen smaller make a window larger. */
|
|
if (p_ea)
|
|
win_equal(curwin, FALSE, 'v');
|
|
#endif
|
|
}
|
|
|
|
#if defined(FEAT_VERTSPLIT) || defined(PROTO)
|
|
/*
|
|
* Called from win_new_shellsize() after Columns changed.
|
|
*/
|
|
void
|
|
shell_new_columns()
|
|
{
|
|
if (firstwin == NULL) /* not initialized yet */
|
|
return;
|
|
frame_new_width(topframe, (int)Columns, FALSE);
|
|
(void)win_comp_pos(); /* recompute w_winrow and w_wincol */
|
|
#if 0
|
|
/* Disabled: don't want making the screen smaller make a window larger. */
|
|
if (p_ea)
|
|
win_equal(curwin, FALSE, 'h');
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
#if defined(FEAT_CMDWIN) || defined(PROTO)
|
|
/*
|
|
* Save the size of all windows in "gap".
|
|
*/
|
|
void
|
|
win_size_save(gap)
|
|
garray_T *gap;
|
|
|
|
{
|
|
win_T *wp;
|
|
|
|
ga_init2(gap, (int)sizeof(int), 1);
|
|
if (ga_grow(gap, win_count() * 2) == OK)
|
|
for (wp = firstwin; wp != NULL; wp = wp->w_next)
|
|
{
|
|
((int *)gap->ga_data)[gap->ga_len++] =
|
|
wp->w_width + wp->w_vsep_width;
|
|
((int *)gap->ga_data)[gap->ga_len++] = wp->w_height;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Restore window sizes, but only if the number of windows is still the same.
|
|
* Does not free the growarray.
|
|
*/
|
|
void
|
|
win_size_restore(gap)
|
|
garray_T *gap;
|
|
{
|
|
win_T *wp;
|
|
int i;
|
|
|
|
if (win_count() * 2 == gap->ga_len)
|
|
{
|
|
i = 0;
|
|
for (wp = firstwin; wp != NULL; wp = wp->w_next)
|
|
{
|
|
frame_setwidth(wp->w_frame, ((int *)gap->ga_data)[i++]);
|
|
win_setheight_win(((int *)gap->ga_data)[i++], wp);
|
|
}
|
|
/* recompute the window positions */
|
|
(void)win_comp_pos();
|
|
}
|
|
}
|
|
#endif /* FEAT_CMDWIN */
|
|
|
|
#if defined(FEAT_WINDOWS) || defined(PROTO)
|
|
/*
|
|
* Update the position for all windows, using the width and height of the
|
|
* frames.
|
|
* Returns the row just after the last window.
|
|
*/
|
|
static int
|
|
win_comp_pos()
|
|
{
|
|
int row = 0;
|
|
int col = 0;
|
|
|
|
frame_comp_pos(topframe, &row, &col);
|
|
return row;
|
|
}
|
|
|
|
/*
|
|
* 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(topfrp, row, col)
|
|
frame_T *topfrp;
|
|
int *row;
|
|
int *col;
|
|
{
|
|
win_T *wp;
|
|
frame_T *frp;
|
|
#ifdef FEAT_VERTSPLIT
|
|
int startcol;
|
|
int startrow;
|
|
#endif
|
|
|
|
wp = topfrp->fr_win;
|
|
if (wp != NULL)
|
|
{
|
|
if (wp->w_winrow != *row
|
|
#ifdef FEAT_VERTSPLIT
|
|
|| wp->w_wincol != *col
|
|
#endif
|
|
)
|
|
{
|
|
/* position changed, redraw */
|
|
wp->w_winrow = *row;
|
|
#ifdef FEAT_VERTSPLIT
|
|
wp->w_wincol = *col;
|
|
#endif
|
|
redraw_win_later(wp, NOT_VALID);
|
|
wp->w_redr_status = TRUE;
|
|
}
|
|
*row += wp->w_height + wp->w_status_height;
|
|
#ifdef FEAT_VERTSPLIT
|
|
*col += wp->w_width + wp->w_vsep_width;
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
#ifdef FEAT_VERTSPLIT
|
|
startrow = *row;
|
|
startcol = *col;
|
|
#endif
|
|
for (frp = topfrp->fr_child; frp != NULL; frp = frp->fr_next)
|
|
{
|
|
#ifdef FEAT_VERTSPLIT
|
|
if (topfrp->fr_layout == FR_ROW)
|
|
*row = startrow; /* all frames are at the same row */
|
|
else
|
|
*col = startcol; /* all frames are at the same col */
|
|
#endif
|
|
frame_comp_pos(frp, row, col);
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif /* FEAT_WINDOWS */
|
|
|
|
/*
|
|
* Set current window height and take care of repositioning other windows to
|
|
* fit around it.
|
|
*/
|
|
void
|
|
win_setheight(height)
|
|
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.
|
|
*/
|
|
void
|
|
win_setheight_win(height, win)
|
|
int height;
|
|
win_T *win;
|
|
{
|
|
int row;
|
|
|
|
if (win == curwin)
|
|
{
|
|
/* Always keep current window at least one line high, even when
|
|
* 'winminheight' is zero. */
|
|
#ifdef FEAT_WINDOWS
|
|
if (height < p_wmh)
|
|
height = p_wmh;
|
|
#endif
|
|
if (height == 0)
|
|
height = 1;
|
|
}
|
|
|
|
#ifdef FEAT_WINDOWS
|
|
frame_setheight(win->w_frame, height + win->w_status_height);
|
|
|
|
/* recompute the window positions */
|
|
row = win_comp_pos();
|
|
#else
|
|
if (height > topframe->fr_height)
|
|
height = topframe->fr_height;
|
|
win->w_height = height;
|
|
row = height;
|
|
#endif
|
|
|
|
/*
|
|
* If there is extra space created between the last window and the command
|
|
* line, clear it.
|
|
*/
|
|
if (full_screen && msg_scrolled == 0 && row < cmdline_row)
|
|
screen_fill(row, cmdline_row, 0, (int)Columns, ' ', ' ', 0);
|
|
cmdline_row = row;
|
|
msg_row = row;
|
|
msg_col = 0;
|
|
|
|
redraw_all_later(NOT_VALID);
|
|
}
|
|
|
|
#if defined(FEAT_WINDOWS) || defined(PROTO)
|
|
|
|
/*
|
|
* 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(curfrp, height)
|
|
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;
|
|
|
|
if (curfrp->fr_parent == NULL)
|
|
{
|
|
/* topframe: can only change the command line */
|
|
if (height > Rows - p_ch)
|
|
height = Rows - p_ch;
|
|
if (height > 0)
|
|
frame_new_height(curfrp, height, FALSE, FALSE);
|
|
}
|
|
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);
|
|
if (height < h)
|
|
height = h;
|
|
frame_setheight(curfrp->fr_parent, height);
|
|
}
|
|
else
|
|
{
|
|
/*
|
|
* Column of frames: try to change only frames in this column.
|
|
*/
|
|
#ifdef FEAT_VERTSPLIT
|
|
/*
|
|
* 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)
|
|
#else
|
|
for (;;)
|
|
#endif
|
|
{
|
|
room = 0;
|
|
room_reserved = 0;
|
|
for (frp = curfrp->fr_parent->fr_child; frp != NULL;
|
|
frp = frp->fr_next)
|
|
{
|
|
if (frp != curfrp
|
|
&& frp->fr_win != NULL
|
|
&& frp->fr_win->w_p_wfh)
|
|
room_reserved += frp->fr_height;
|
|
room += frp->fr_height;
|
|
if (frp != curfrp)
|
|
room -= frame_minheight(frp, NULL);
|
|
}
|
|
#ifdef FEAT_VERTSPLIT
|
|
if (curfrp->fr_width != Columns)
|
|
room_cmdline = 0;
|
|
else
|
|
#endif
|
|
{
|
|
room_cmdline = Rows - p_ch - (lastwin->w_winrow
|
|
+ lastwin->w_height + lastwin->w_status_height);
|
|
if (room_cmdline < 0)
|
|
room_cmdline = 0;
|
|
}
|
|
|
|
if (height <= room + room_cmdline)
|
|
break;
|
|
#ifdef FEAT_VERTSPLIT
|
|
if (run == 2 || curfrp->fr_width == Columns)
|
|
#endif
|
|
{
|
|
if (height > room + room_cmdline)
|
|
height = room + room_cmdline;
|
|
break;
|
|
}
|
|
#ifdef FEAT_VERTSPLIT
|
|
frame_setheight(curfrp->fr_parent, height
|
|
+ frame_minheight(curfrp->fr_parent, NOWIN) - (int)p_wmh - 1);
|
|
#endif
|
|
/*NOTREACHED*/
|
|
}
|
|
|
|
/*
|
|
* Compute the number of lines we will take from others frames (can be
|
|
* negative!).
|
|
*/
|
|
take = height - curfrp->fr_height;
|
|
|
|
/* If there is not enough room, also reduce the height of a window
|
|
* with 'winfixheight' set. */
|
|
if (height > room + room_cmdline - room_reserved)
|
|
room_reserved = room + room_cmdline - height;
|
|
/* If there is only a 'winfixheight' window and making the
|
|
* window smaller, need to make the other window taller. */
|
|
if (take < 0 && room - curfrp->fr_height < room_reserved)
|
|
room_reserved = 0;
|
|
|
|
if (take > 0 && room_cmdline > 0)
|
|
{
|
|
/* use lines from cmdline first */
|
|
if (take < room_cmdline)
|
|
room_cmdline = take;
|
|
take -= room_cmdline;
|
|
topframe->fr_height += room_cmdline;
|
|
}
|
|
|
|
/*
|
|
* 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 */
|
|
while (frp != NULL && take != 0)
|
|
{
|
|
h = frame_minheight(frp, NULL);
|
|
if (room_reserved > 0
|
|
&& frp->fr_win != NULL
|
|
&& frp->fr_win->w_p_wfh)
|
|
{
|
|
if (room_reserved >= frp->fr_height)
|
|
room_reserved -= frp->fr_height;
|
|
else
|
|
{
|
|
if (frp->fr_height - room_reserved > take)
|
|
room_reserved = frp->fr_height - take;
|
|
take -= frp->fr_height - room_reserved;
|
|
frame_new_height(frp, room_reserved, FALSE, FALSE);
|
|
room_reserved = 0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (frp->fr_height - take < h)
|
|
{
|
|
take -= frp->fr_height - h;
|
|
frame_new_height(frp, h, FALSE, FALSE);
|
|
}
|
|
else
|
|
{
|
|
frame_new_height(frp, frp->fr_height - take,
|
|
FALSE, FALSE);
|
|
take = 0;
|
|
}
|
|
}
|
|
if (run == 0)
|
|
frp = frp->fr_next;
|
|
else
|
|
frp = frp->fr_prev;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#if defined(FEAT_VERTSPLIT) || defined(PROTO)
|
|
/*
|
|
* Set current window width and take care of repositioning other windows to
|
|
* fit around it.
|
|
*/
|
|
void
|
|
win_setwidth(width)
|
|
int width;
|
|
{
|
|
win_setwidth_win(width, curwin);
|
|
}
|
|
|
|
void
|
|
win_setwidth_win(width, wp)
|
|
int width;
|
|
win_T *wp;
|
|
{
|
|
/* Always keep current window at least one column wide, even when
|
|
* 'winminwidth' is zero. */
|
|
if (wp == curwin)
|
|
{
|
|
if (width < p_wmw)
|
|
width = p_wmw;
|
|
if (width == 0)
|
|
width = 1;
|
|
}
|
|
|
|
frame_setwidth(wp->w_frame, width + wp->w_vsep_width);
|
|
|
|
/* recompute the window positions */
|
|
(void)win_comp_pos();
|
|
|
|
redraw_all_later(NOT_VALID);
|
|
}
|
|
|
|
/*
|
|
* 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(curfrp, width)
|
|
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;
|
|
|
|
/* If the width already is the desired value, nothing to do. */
|
|
if (curfrp->fr_width == width)
|
|
return;
|
|
|
|
if (curfrp->fr_parent == NULL)
|
|
/* topframe: can't change width */
|
|
return;
|
|
|
|
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);
|
|
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)
|
|
{
|
|
room = 0;
|
|
for (frp = curfrp->fr_parent->fr_child; frp != NULL;
|
|
frp = frp->fr_next)
|
|
{
|
|
room += frp->fr_width;
|
|
if (frp != curfrp)
|
|
room -= frame_minwidth(frp, NULL);
|
|
}
|
|
|
|
if (width <= room)
|
|
break;
|
|
if (run == 2 || curfrp->fr_height >= Rows - p_ch)
|
|
{
|
|
if (width > room)
|
|
width = room;
|
|
break;
|
|
}
|
|
frame_setwidth(curfrp->fr_parent, 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;
|
|
|
|
/*
|
|
* set the current frame to the new width
|
|
*/
|
|
frame_new_width(curfrp, width, 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 */
|
|
while (frp != NULL && take != 0)
|
|
{
|
|
w = frame_minwidth(frp, NULL);
|
|
if (frp->fr_width - take < w)
|
|
{
|
|
take -= frp->fr_width - w;
|
|
frame_new_width(frp, w, FALSE);
|
|
}
|
|
else
|
|
{
|
|
frame_new_width(frp, frp->fr_width - take, FALSE);
|
|
take = 0;
|
|
}
|
|
if (run == 0)
|
|
frp = frp->fr_next;
|
|
else
|
|
frp = frp->fr_prev;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif /* FEAT_VERTSPLIT */
|
|
|
|
/*
|
|
* Check 'winminheight' for a valid value.
|
|
*/
|
|
void
|
|
win_setminheight()
|
|
{
|
|
int room;
|
|
int first = TRUE;
|
|
win_T *wp;
|
|
|
|
/* loop until there is a 'winminheight' that is possible */
|
|
while (p_wmh > 0)
|
|
{
|
|
/* TODO: handle vertical splits */
|
|
room = -p_wh;
|
|
for (wp = firstwin; wp != NULL; wp = wp->w_next)
|
|
room += wp->w_height - p_wmh;
|
|
if (room >= 0)
|
|
break;
|
|
--p_wmh;
|
|
if (first)
|
|
{
|
|
EMSG(_(e_noroom));
|
|
first = FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef FEAT_MOUSE
|
|
|
|
/*
|
|
* Status line of dragwin is dragged "offset" lines down (negative is up).
|
|
*/
|
|
void
|
|
win_drag_status_line(dragwin, offset)
|
|
win_T *dragwin;
|
|
int offset;
|
|
{
|
|
frame_T *curfr;
|
|
frame_T *fr;
|
|
int room;
|
|
int row;
|
|
int up; /* if TRUE, drag status line up, otherwise down */
|
|
int n;
|
|
|
|
fr = dragwin->w_frame;
|
|
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
|
|
* be. */
|
|
if (fr->fr_layout != FR_COL)
|
|
{
|
|
curfr = fr;
|
|
if (fr != topframe) /* only a row of windows, may drag statusline */
|
|
fr = fr->fr_parent;
|
|
}
|
|
}
|
|
|
|
/* If this is the last frame in a column, may want to resize the parent
|
|
* frame instead (go two up to skip a row of frames). */
|
|
while (curfr != topframe && curfr->fr_next == NULL)
|
|
{
|
|
if (fr != topframe)
|
|
fr = fr->fr_parent;
|
|
curfr = fr;
|
|
if (fr != topframe)
|
|
fr = fr->fr_parent;
|
|
}
|
|
|
|
if (offset < 0) /* drag up */
|
|
{
|
|
up = TRUE;
|
|
offset = -offset;
|
|
/* sum up the room of the current frame and above it */
|
|
if (fr == curfr)
|
|
{
|
|
/* only one window */
|
|
room = fr->fr_height - frame_minheight(fr, NULL);
|
|
}
|
|
else
|
|
{
|
|
room = 0;
|
|
for (fr = fr->fr_child; ; fr = fr->fr_next)
|
|
{
|
|
room += fr->fr_height - frame_minheight(fr, NULL);
|
|
if (fr == curfr)
|
|
break;
|
|
}
|
|
}
|
|
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)
|
|
room -= 1;
|
|
else
|
|
room -= p_ch;
|
|
if (room < 0)
|
|
room = 0;
|
|
/* sum up the room of frames below of the current one */
|
|
for (fr = curfr->fr_next; fr != NULL; fr = fr->fr_next)
|
|
room += fr->fr_height - frame_minheight(fr, NULL);
|
|
fr = curfr; /* put fr at window that grows */
|
|
}
|
|
|
|
if (room < offset) /* Not enough room */
|
|
offset = room; /* Move as far as we can */
|
|
if (offset <= 0)
|
|
return;
|
|
|
|
/*
|
|
* 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);
|
|
|
|
if (up)
|
|
fr = curfr; /* current frame gets smaller */
|
|
else
|
|
fr = curfr->fr_next; /* next frame gets smaller */
|
|
|
|
/*
|
|
* Now make the other frames smaller.
|
|
*/
|
|
while (fr != NULL && offset > 0)
|
|
{
|
|
n = frame_minheight(fr, NULL);
|
|
if (fr->fr_height - offset <= n)
|
|
{
|
|
offset -= fr->fr_height - n;
|
|
frame_new_height(fr, n, !up, FALSE);
|
|
}
|
|
else
|
|
{
|
|
frame_new_height(fr, fr->fr_height - offset, !up, FALSE);
|
|
break;
|
|
}
|
|
if (up)
|
|
fr = fr->fr_prev;
|
|
else
|
|
fr = fr->fr_next;
|
|
}
|
|
row = win_comp_pos();
|
|
screen_fill(row, cmdline_row, 0, (int)Columns, ' ', ' ', 0);
|
|
cmdline_row = row;
|
|
p_ch = Rows - cmdline_row;
|
|
if (p_ch < 1)
|
|
p_ch = 1;
|
|
redraw_all_later(NOT_VALID);
|
|
showmode();
|
|
}
|
|
|
|
#ifdef FEAT_VERTSPLIT
|
|
/*
|
|
* Separator line of dragwin is dragged "offset" lines right (negative is left).
|
|
*/
|
|
void
|
|
win_drag_vsep_line(dragwin, offset)
|
|
win_T *dragwin;
|
|
int offset;
|
|
{
|
|
frame_T *curfr;
|
|
frame_T *fr;
|
|
int room;
|
|
int left; /* if TRUE, drag separator line left, otherwise right */
|
|
int n;
|
|
|
|
fr = dragwin->w_frame;
|
|
if (fr == topframe) /* only one window (cannot happe?) */
|
|
return;
|
|
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)
|
|
{
|
|
if (fr == topframe) /* only a column of windows (cannot happen?) */
|
|
return;
|
|
curfr = fr;
|
|
fr = fr->fr_parent;
|
|
}
|
|
|
|
/* If this is the last frame in a row, may want to resize a parent
|
|
* frame instead. */
|
|
while (curfr->fr_next == NULL)
|
|
{
|
|
if (fr == topframe)
|
|
break;
|
|
curfr = fr;
|
|
fr = fr->fr_parent;
|
|
if (fr != topframe)
|
|
{
|
|
curfr = fr;
|
|
fr = fr->fr_parent;
|
|
}
|
|
}
|
|
|
|
if (offset < 0) /* drag left */
|
|
{
|
|
left = TRUE;
|
|
offset = -offset;
|
|
/* sum up the room of the current frame and left of it */
|
|
room = 0;
|
|
for (fr = fr->fr_child; ; fr = fr->fr_next)
|
|
{
|
|
room += fr->fr_width - frame_minwidth(fr, NULL);
|
|
if (fr == curfr)
|
|
break;
|
|
}
|
|
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 (fr = curfr->fr_next; fr != NULL; fr = fr->fr_next)
|
|
room += fr->fr_width - frame_minwidth(fr, NULL);
|
|
fr = curfr; /* put fr at window that grows */
|
|
}
|
|
|
|
if (room < offset) /* Not enough room */
|
|
offset = room; /* Move as far as we can */
|
|
if (offset <= 0) /* No room at all, quit. */
|
|
return;
|
|
|
|
/* grow frame fr by offset lines */
|
|
frame_new_width(fr, fr->fr_width + offset, left);
|
|
|
|
/* shrink other frames: current and at the left or at the right */
|
|
if (left)
|
|
fr = curfr; /* current frame gets smaller */
|
|
else
|
|
fr = curfr->fr_next; /* next frame gets smaller */
|
|
|
|
while (fr != NULL && offset > 0)
|
|
{
|
|
n = frame_minwidth(fr, NULL);
|
|
if (fr->fr_width - offset <= n)
|
|
{
|
|
offset -= fr->fr_width - n;
|
|
frame_new_width(fr, n, !left);
|
|
}
|
|
else
|
|
{
|
|
frame_new_width(fr, fr->fr_width - offset, !left);
|
|
break;
|
|
}
|
|
if (left)
|
|
fr = fr->fr_prev;
|
|
else
|
|
fr = fr->fr_next;
|
|
}
|
|
(void)win_comp_pos();
|
|
redraw_all_later(NOT_VALID);
|
|
}
|
|
#endif /* FEAT_VERTSPLIT */
|
|
#endif /* FEAT_MOUSE */
|
|
|
|
#endif /* FEAT_WINDOWS */
|
|
|
|
/*
|
|
* Set the height of a window.
|
|
* This takes care of the things inside the window, not what happens to the
|
|
* window position, the frame or to other windows.
|
|
*/
|
|
static void
|
|
win_new_height(wp, height)
|
|
win_T *wp;
|
|
int height;
|
|
{
|
|
linenr_T lnum;
|
|
int sline, line_size;
|
|
#define FRACTION_MULT 16384L
|
|
|
|
/* Don't want a negative height. Happens when splitting a tiny window.
|
|
* Will equalize heights soon to fix it. */
|
|
if (height < 0)
|
|
height = 0;
|
|
|
|
if (wp->w_wrow != wp->w_prev_fraction_row && wp->w_height > 0)
|
|
wp->w_fraction = ((long)wp->w_wrow * FRACTION_MULT
|
|
+ FRACTION_MULT / 2) / (long)wp->w_height;
|
|
|
|
wp->w_height = height;
|
|
wp->w_skipcol = 0;
|
|
|
|
/* Don't change w_topline when height is zero. Don't set w_topline when
|
|
* 'scrollbind' is set and this isn't the current window. */
|
|
if (height > 0
|
|
#ifdef FEAT_SCROLLBIND
|
|
&& (!wp->w_p_scb || wp == curwin)
|
|
#endif
|
|
)
|
|
{
|
|
lnum = wp->w_cursor.lnum;
|
|
if (lnum < 1) /* can happen when starting up */
|
|
lnum = 1;
|
|
wp->w_wrow = ((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;
|
|
if (sline < 0)
|
|
{
|
|
/*
|
|
* Cursor line would go off top of screen if w_wrow was this high.
|
|
*/
|
|
wp->w_wrow = line_size;
|
|
}
|
|
else
|
|
{
|
|
while (sline > 0 && lnum > 1)
|
|
{
|
|
#ifdef FEAT_FOLDING
|
|
hasFoldingWin(wp, lnum, &lnum, NULL, TRUE, NULL);
|
|
if (lnum == 1)
|
|
{
|
|
/* first line in buffer is folded */
|
|
line_size = 1;
|
|
--sline;
|
|
break;
|
|
}
|
|
#endif
|
|
--lnum;
|
|
#ifdef FEAT_DIFF
|
|
if (lnum == wp->w_topline)
|
|
line_size = plines_win_nofill(wp, lnum, TRUE)
|
|
+ wp->w_topfill;
|
|
else
|
|
#endif
|
|
line_size = plines_win(wp, lnum, TRUE);
|
|
sline -= line_size;
|
|
}
|
|
if (sline < 0)
|
|
{
|
|
/*
|
|
* Line we want at top would go off top of screen. Use next
|
|
* line instead.
|
|
*/
|
|
#ifdef FEAT_FOLDING
|
|
hasFoldingWin(wp, lnum, NULL, &lnum, TRUE, NULL);
|
|
#endif
|
|
lnum++;
|
|
wp->w_wrow -= line_size + sline;
|
|
}
|
|
else if (sline > 0)
|
|
{
|
|
/* First line of file reached, use that as topline. */
|
|
lnum = 1;
|
|
wp->w_wrow -= sline;
|
|
}
|
|
}
|
|
set_topline(wp, lnum);
|
|
}
|
|
|
|
if (wp == curwin)
|
|
{
|
|
if (p_so)
|
|
update_topline();
|
|
curs_columns(FALSE); /* validate w_wrow */
|
|
}
|
|
wp->w_prev_fraction_row = wp->w_wrow;
|
|
|
|
win_comp_scroll(wp);
|
|
redraw_win_later(wp, NOT_VALID);
|
|
#ifdef FEAT_WINDOWS
|
|
wp->w_redr_status = TRUE;
|
|
#endif
|
|
invalidate_botline_win(wp);
|
|
}
|
|
|
|
#ifdef FEAT_VERTSPLIT
|
|
/*
|
|
* Set the width of a window.
|
|
*/
|
|
static void
|
|
win_new_width(wp, width)
|
|
win_T *wp;
|
|
int width;
|
|
{
|
|
wp->w_width = width;
|
|
wp->w_lines_valid = 0;
|
|
changed_line_abv_curs_win(wp);
|
|
invalidate_botline_win(wp);
|
|
if (wp == curwin)
|
|
{
|
|
update_topline();
|
|
curs_columns(TRUE); /* validate w_wrow */
|
|
}
|
|
redraw_win_later(wp, NOT_VALID);
|
|
wp->w_redr_status = TRUE;
|
|
}
|
|
#endif
|
|
|
|
void
|
|
win_comp_scroll(wp)
|
|
win_T *wp;
|
|
{
|
|
wp->w_p_scr = ((unsigned)wp->w_height >> 1);
|
|
if (wp->w_p_scr == 0)
|
|
wp->w_p_scr = 1;
|
|
}
|
|
|
|
/*
|
|
* command_height: called whenever p_ch has been changed
|
|
*/
|
|
void
|
|
command_height(old_p_ch)
|
|
long old_p_ch;
|
|
{
|
|
#ifdef FEAT_WINDOWS
|
|
int h;
|
|
frame_T *frp;
|
|
|
|
/* Find bottom frame with width of screen. */
|
|
frp = lastwin->w_frame;
|
|
# ifdef FEAT_VERTSPLIT
|
|
while (frp->fr_width != Columns && frp->fr_parent != NULL)
|
|
frp = frp->fr_parent;
|
|
# endif
|
|
|
|
/* Avoid changing the height of a window with 'winfixheight' set. */
|
|
while (frp->fr_prev != NULL && frp->fr_layout == FR_LEAF
|
|
&& frp->fr_win->w_p_wfh)
|
|
frp = frp->fr_prev;
|
|
|
|
if (starting != NO_SCREEN)
|
|
{
|
|
cmdline_row = Rows - p_ch;
|
|
|
|
if (p_ch > old_p_ch) /* p_ch got bigger */
|
|
{
|
|
while (p_ch > old_p_ch)
|
|
{
|
|
if (frp == NULL)
|
|
{
|
|
EMSG(_(e_noroom));
|
|
p_ch = old_p_ch;
|
|
cmdline_row = Rows - p_ch;
|
|
break;
|
|
}
|
|
h = frp->fr_height - frame_minheight(frp, NULL);
|
|
if (h > p_ch - old_p_ch)
|
|
h = p_ch - old_p_ch;
|
|
old_p_ch += h;
|
|
frame_add_height(frp, -h);
|
|
frp = frp->fr_prev;
|
|
}
|
|
|
|
/* Recompute window positions. */
|
|
(void)win_comp_pos();
|
|
|
|
/* clear the lines added to cmdline */
|
|
if (full_screen)
|
|
screen_fill((int)(cmdline_row), (int)Rows, 0,
|
|
(int)Columns, ' ', ' ', 0);
|
|
msg_row = cmdline_row;
|
|
redraw_cmdline = TRUE;
|
|
return;
|
|
}
|
|
|
|
if (msg_row < cmdline_row)
|
|
msg_row = cmdline_row;
|
|
redraw_cmdline = TRUE;
|
|
}
|
|
frame_add_height(frp, (int)(old_p_ch - p_ch));
|
|
|
|
/* Recompute window positions. */
|
|
if (frp != lastwin->w_frame)
|
|
(void)win_comp_pos();
|
|
#else
|
|
win_setheight((int)(firstwin->w_height + old_p_ch - p_ch));
|
|
cmdline_row = Rows - p_ch;
|
|
#endif
|
|
}
|
|
|
|
#if defined(FEAT_WINDOWS) || defined(PROTO)
|
|
/*
|
|
* 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(frp, n)
|
|
frame_T *frp;
|
|
int n;
|
|
{
|
|
frame_new_height(frp, frp->fr_height + n, FALSE, FALSE);
|
|
for (;;)
|
|
{
|
|
frp = frp->fr_parent;
|
|
if (frp == NULL)
|
|
break;
|
|
frp->fr_height += n;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Add or remove a status line for the bottom window(s), according to the
|
|
* value of 'laststatus'.
|
|
*/
|
|
void
|
|
last_status(morewin)
|
|
int morewin; /* pretend there are two or more windows */
|
|
{
|
|
/* Don't make a difference between horizontal or vertical split. */
|
|
last_status_rec(topframe, (p_ls == 2
|
|
|| (p_ls == 1 && (morewin || lastwin != firstwin))));
|
|
}
|
|
|
|
static void
|
|
last_status_rec(fr, statusline)
|
|
frame_T *fr;
|
|
int statusline;
|
|
{
|
|
frame_T *fp;
|
|
win_T *wp;
|
|
|
|
if (fr->fr_layout == FR_LEAF)
|
|
{
|
|
wp = fr->fr_win;
|
|
if (wp->w_status_height != 0 && !statusline)
|
|
{
|
|
/* remove status line */
|
|
win_new_height(wp, wp->w_height + 1);
|
|
wp->w_status_height = 0;
|
|
comp_col();
|
|
}
|
|
else if (wp->w_status_height == 0 && statusline)
|
|
{
|
|
/* Find a frame to take a line from. */
|
|
fp = fr;
|
|
while (fp->fr_height <= frame_minheight(fp, NULL))
|
|
{
|
|
if (fp == topframe)
|
|
{
|
|
EMSG(_(e_noroom));
|
|
return;
|
|
}
|
|
/* In a column of frames: go to frame above. If already at
|
|
* the top or in a row of frames: go to parent. */
|
|
if (fp->fr_parent->fr_layout == FR_COL && fp->fr_prev != NULL)
|
|
fp = fp->fr_prev;
|
|
else
|
|
fp = fp->fr_parent;
|
|
}
|
|
wp->w_status_height = 1;
|
|
if (fp != fr)
|
|
{
|
|
frame_new_height(fp, fp->fr_height - 1, FALSE, FALSE);
|
|
frame_fix_height(wp);
|
|
(void)win_comp_pos();
|
|
}
|
|
else
|
|
win_new_height(wp, wp->w_height - 1);
|
|
comp_col();
|
|
redraw_all_later(NOT_VALID);
|
|
}
|
|
}
|
|
#ifdef FEAT_VERTSPLIT
|
|
else if (fr->fr_layout == FR_ROW)
|
|
{
|
|
/* vertically split windows, set status line for each one */
|
|
for (fp = fr->fr_child; fp != NULL; fp = fp->fr_next)
|
|
last_status_rec(fp, statusline);
|
|
}
|
|
#endif
|
|
else
|
|
{
|
|
/* horizontally split window, set status line for last one */
|
|
for (fp = fr->fr_child; fp->fr_next != NULL; fp = fp->fr_next)
|
|
;
|
|
last_status_rec(fp, statusline);
|
|
}
|
|
}
|
|
|
|
#endif /* FEAT_WINDOWS */
|
|
|
|
#if defined(FEAT_SEARCHPATH) || defined(PROTO)
|
|
/*
|
|
* 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(options, count)
|
|
int options;
|
|
long count;
|
|
{
|
|
return file_name_in_line(ml_get_curline(),
|
|
curwin->w_cursor.col, options, count, curbuf->b_ffname);
|
|
}
|
|
|
|
/*
|
|
* Return the name of the file under or after ptr[col].
|
|
* Otherwise like file_name_at_cursor().
|
|
*/
|
|
char_u *
|
|
file_name_in_line(line, col, options, count, rel_fname)
|
|
char_u *line;
|
|
int col;
|
|
int options;
|
|
long count;
|
|
char_u *rel_fname; /* file we are searching relative to */
|
|
{
|
|
char_u *ptr;
|
|
int len;
|
|
|
|
/*
|
|
* search forward for what could be the start of a file name
|
|
*/
|
|
ptr = line + col;
|
|
while (*ptr != NUL && !vim_isfilec(*ptr))
|
|
++ptr;
|
|
if (*ptr == NUL) /* nothing found */
|
|
{
|
|
if (options & FNAME_MESS)
|
|
EMSG(_("E446: No file name under cursor"));
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* Search backward for first char of the file name.
|
|
* Go one char back to ":" before "//" even when ':' is not in 'isfname'.
|
|
*/
|
|
while (ptr > line)
|
|
{
|
|
#ifdef FEAT_MBYTE
|
|
if (has_mbyte && (len = (*mb_head_off)(line, ptr - 1)) > 0)
|
|
ptr -= len + 1;
|
|
else
|
|
#endif
|
|
if (vim_isfilec(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'.
|
|
*/
|
|
len = 0;
|
|
while (vim_isfilec(ptr[len])
|
|
|| ((options & FNAME_HYP) && path_is_url(ptr + len)))
|
|
#ifdef FEAT_MBYTE
|
|
if (has_mbyte)
|
|
len += (*mb_ptr2len_check)(ptr + len);
|
|
else
|
|
#endif
|
|
++len;
|
|
|
|
/*
|
|
* If there is trailing punctuation, remove it.
|
|
* But don't remove "..", could be a directory name.
|
|
*/
|
|
if (len > 2 && vim_strchr((char_u *)".,:;!", ptr[len - 1]) != NULL
|
|
&& ptr[len - 2] != '.')
|
|
--len;
|
|
|
|
return find_file_name_in_path(ptr, len, options, count, rel_fname);
|
|
}
|
|
|
|
# if defined(FEAT_FIND_ID) && defined(FEAT_EVAL)
|
|
static char_u *eval_includeexpr __ARGS((char_u *ptr, int len));
|
|
|
|
static char_u *
|
|
eval_includeexpr(ptr, len)
|
|
char_u *ptr;
|
|
int len;
|
|
{
|
|
char_u *res;
|
|
|
|
set_vim_var_string(VV_FNAME, ptr, len);
|
|
res = eval_to_string_safe(curbuf->b_p_inex, NULL);
|
|
set_vim_var_string(VV_FNAME, NULL, 0);
|
|
return res;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Return the name of the file ptr[len] in 'path'.
|
|
* Otherwise like file_name_at_cursor().
|
|
*/
|
|
char_u *
|
|
find_file_name_in_path(ptr, len, options, count, rel_fname)
|
|
char_u *ptr;
|
|
int len;
|
|
int options;
|
|
long count;
|
|
char_u *rel_fname; /* file we are searching relative to */
|
|
{
|
|
char_u *file_name;
|
|
int c;
|
|
# if defined(FEAT_FIND_ID) && defined(FEAT_EVAL)
|
|
char_u *tofree = NULL;
|
|
|
|
if ((options & FNAME_INCL) && *curbuf->b_p_inex != NUL)
|
|
{
|
|
tofree = eval_includeexpr(ptr, len);
|
|
if (tofree != NULL)
|
|
{
|
|
ptr = tofree;
|
|
len = (int)STRLEN(ptr);
|
|
}
|
|
}
|
|
# endif
|
|
|
|
if (options & FNAME_EXP)
|
|
{
|
|
file_name = find_file_in_path(ptr, len, options & ~FNAME_MESS,
|
|
TRUE, rel_fname);
|
|
|
|
# if defined(FEAT_FIND_ID) && defined(FEAT_EVAL)
|
|
/*
|
|
* If the file could not be found in a normal way, try applying
|
|
* 'includeexpr' (unless done already).
|
|
*/
|
|
if (file_name == NULL
|
|
&& !(options & FNAME_INCL) && *curbuf->b_p_inex != NUL)
|
|
{
|
|
tofree = eval_includeexpr(ptr, len);
|
|
if (tofree != NULL)
|
|
{
|
|
ptr = tofree;
|
|
len = (int)STRLEN(ptr);
|
|
file_name = find_file_in_path(ptr, len, options & ~FNAME_MESS,
|
|
TRUE, rel_fname);
|
|
}
|
|
}
|
|
# endif
|
|
if (file_name == NULL && (options & FNAME_MESS))
|
|
{
|
|
c = ptr[len];
|
|
ptr[len] = NUL;
|
|
EMSG2(_("E447: Can't find file \"%s\" in path"), ptr);
|
|
ptr[len] = c;
|
|
}
|
|
|
|
/* Repeat finding the file "count" times. This matters when it
|
|
* appears several times in the path. */
|
|
while (file_name != NULL && --count > 0)
|
|
{
|
|
vim_free(file_name);
|
|
file_name = find_file_in_path(ptr, len, options, FALSE, rel_fname);
|
|
}
|
|
}
|
|
else
|
|
file_name = vim_strnsave(ptr, len);
|
|
|
|
# if defined(FEAT_FIND_ID) && defined(FEAT_EVAL)
|
|
vim_free(tofree);
|
|
# endif
|
|
|
|
return file_name;
|
|
}
|
|
#endif /* FEAT_SEARCHPATH */
|
|
|
|
/*
|
|
* Check if the "://" of a URL is at the pointer, return URL_SLASH.
|
|
* Also check for ":\\", which MS Internet Explorer accepts, return
|
|
* URL_BACKSLASH.
|
|
*/
|
|
static int
|
|
path_is_url(p)
|
|
char_u *p;
|
|
{
|
|
if (STRNCMP(p, "://", (size_t)3) == 0)
|
|
return URL_SLASH;
|
|
else if (STRNCMP(p, ":\\\\", (size_t)3) == 0)
|
|
return URL_BACKSLASH;
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Check if "fname" starts with "name://". Return URL_SLASH if it does.
|
|
* Return URL_BACKSLASH for "name:\\".
|
|
* Return zero otherwise.
|
|
*/
|
|
int
|
|
path_with_url(fname)
|
|
char_u *fname;
|
|
{
|
|
char_u *p;
|
|
|
|
for (p = fname; isalpha(*p); ++p)
|
|
;
|
|
return path_is_url(p);
|
|
}
|
|
|
|
/*
|
|
* Return TRUE if "name" is a full (absolute) path name or URL.
|
|
*/
|
|
int
|
|
vim_isAbsName(name)
|
|
char_u *name;
|
|
{
|
|
return (path_with_url(name) != 0 || mch_isFullName(name));
|
|
}
|
|
|
|
/*
|
|
* Get absolute file name into buffer 'buf' of length 'len' bytes.
|
|
*
|
|
* return FAIL for failure, OK otherwise
|
|
*/
|
|
int
|
|
vim_FullName(fname, buf, len, force)
|
|
char_u *fname, *buf;
|
|
int len;
|
|
int force;
|
|
{
|
|
int retval = OK;
|
|
int url;
|
|
|
|
*buf = NUL;
|
|
if (fname == NULL)
|
|
return FAIL;
|
|
|
|
url = path_with_url(fname);
|
|
if (!url)
|
|
retval = mch_FullName(fname, buf, len, force);
|
|
if (url || retval == FAIL)
|
|
{
|
|
/* something failed; use the file name (truncate when too long) */
|
|
STRNCPY(buf, fname, len);
|
|
buf[len - 1] = NUL;
|
|
}
|
|
#if defined(MACOS_CLASSIC) || defined(OS2) || defined(MSDOS) || defined(MSWIN)
|
|
slash_adjust(buf);
|
|
#endif
|
|
return retval;
|
|
}
|
|
|
|
/*
|
|
* Return the minimal number of rows that is needed on the screen to display
|
|
* the current number of windows.
|
|
*/
|
|
int
|
|
min_rows()
|
|
{
|
|
int total;
|
|
|
|
if (firstwin == NULL) /* not initialized yet */
|
|
return MIN_LINES;
|
|
|
|
total = 1; /* count the room for the command line */
|
|
#ifdef FEAT_WINDOWS
|
|
total += frame_minheight(topframe, NULL);
|
|
#else
|
|
total += 1; /* at least one window should have a line! */
|
|
#endif
|
|
return total;
|
|
}
|
|
|
|
/*
|
|
* Return TRUE if there is only one window, not counting a help or preview
|
|
* window, unless it is the current window.
|
|
*/
|
|
int
|
|
only_one_window()
|
|
{
|
|
#ifdef FEAT_WINDOWS
|
|
int count = 0;
|
|
win_T *wp;
|
|
|
|
for (wp = firstwin; wp != NULL; wp = wp->w_next)
|
|
if (!(wp->w_buffer->b_help
|
|
# ifdef FEAT_QUICKFIX
|
|
|| wp->w_p_pvw
|
|
# endif
|
|
) || wp == curwin)
|
|
++count;
|
|
return (count <= 1);
|
|
#else
|
|
return TRUE;
|
|
#endif
|
|
}
|
|
|
|
#if defined(FEAT_WINDOWS) || defined(FEAT_AUTOCMD) || defined(PROTO)
|
|
/*
|
|
* Correct the cursor line number in other windows. Used after changing the
|
|
* current buffer, and before applying autocommands.
|
|
* When "do_curwin" is TRUE, also check current window.
|
|
*/
|
|
void
|
|
check_lnums(do_curwin)
|
|
int do_curwin;
|
|
{
|
|
win_T *wp;
|
|
|
|
#ifdef FEAT_WINDOWS
|
|
for (wp = firstwin; wp != NULL; wp = wp->w_next)
|
|
if ((do_curwin || wp != curwin) && wp->w_buffer == curbuf)
|
|
#else
|
|
wp = curwin;
|
|
if (do_curwin)
|
|
#endif
|
|
{
|
|
if (wp->w_cursor.lnum > curbuf->b_ml.ml_line_count)
|
|
wp->w_cursor.lnum = curbuf->b_ml.ml_line_count;
|
|
if (wp->w_topline > curbuf->b_ml.ml_line_count)
|
|
wp->w_topline = curbuf->b_ml.ml_line_count;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if defined(FEAT_WINDOWS) || defined(PROTO)
|
|
|
|
/*
|
|
* 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)
|
|
*/
|
|
static frame_T *snapshot = NULL;
|
|
|
|
/*
|
|
* Create a snapshot of the current frame sizes.
|
|
*/
|
|
static void
|
|
make_snapshot()
|
|
{
|
|
clear_snapshot();
|
|
make_snapshot_rec(topframe, &snapshot);
|
|
}
|
|
|
|
static void
|
|
make_snapshot_rec(fr, frp)
|
|
frame_T *fr;
|
|
frame_T **frp;
|
|
{
|
|
*frp = (frame_T *)alloc_clear((unsigned)sizeof(frame_T));
|
|
if (*frp == NULL)
|
|
return;
|
|
(*frp)->fr_layout = fr->fr_layout;
|
|
# ifdef FEAT_VERTSPLIT
|
|
(*frp)->fr_width = fr->fr_width;
|
|
# endif
|
|
(*frp)->fr_height = fr->fr_height;
|
|
if (fr->fr_next != NULL)
|
|
make_snapshot_rec(fr->fr_next, &((*frp)->fr_next));
|
|
if (fr->fr_child != NULL)
|
|
make_snapshot_rec(fr->fr_child, &((*frp)->fr_child));
|
|
if (fr->fr_layout == FR_LEAF && fr->fr_win == curwin)
|
|
(*frp)->fr_win = curwin;
|
|
}
|
|
|
|
/*
|
|
* Remove any existing snapshot.
|
|
*/
|
|
static void
|
|
clear_snapshot()
|
|
{
|
|
clear_snapshot_rec(snapshot);
|
|
snapshot = NULL;
|
|
}
|
|
|
|
static void
|
|
clear_snapshot_rec(fr)
|
|
frame_T *fr;
|
|
{
|
|
if (fr != NULL)
|
|
{
|
|
clear_snapshot_rec(fr->fr_next);
|
|
clear_snapshot_rec(fr->fr_child);
|
|
vim_free(fr);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Restore a previously created snapshot, if there is any.
|
|
* This is only done if the screen size didn't change and the window layout is
|
|
* still the same.
|
|
*/
|
|
static void
|
|
restore_snapshot(close_curwin)
|
|
int close_curwin; /* closing current window */
|
|
{
|
|
win_T *wp;
|
|
|
|
if (snapshot != NULL
|
|
# ifdef FEAT_VERTSPLIT
|
|
&& snapshot->fr_width == topframe->fr_width
|
|
# endif
|
|
&& snapshot->fr_height == topframe->fr_height
|
|
&& check_snapshot_rec(snapshot, topframe) == OK)
|
|
{
|
|
wp = restore_snapshot_rec(snapshot, topframe);
|
|
win_comp_pos();
|
|
if (wp != NULL && close_curwin)
|
|
win_goto(wp);
|
|
redraw_all_later(CLEAR);
|
|
}
|
|
clear_snapshot();
|
|
}
|
|
|
|
/*
|
|
* Check if frames "sn" and "fr" have the same layout, same following frames
|
|
* and same children.
|
|
*/
|
|
static int
|
|
check_snapshot_rec(sn, fr)
|
|
frame_T *sn;
|
|
frame_T *fr;
|
|
{
|
|
if (sn->fr_layout != fr->fr_layout
|
|
|| (sn->fr_next == NULL) != (fr->fr_next == NULL)
|
|
|| (sn->fr_child == NULL) != (fr->fr_child == NULL)
|
|
|| (sn->fr_next != NULL
|
|
&& check_snapshot_rec(sn->fr_next, fr->fr_next) == FAIL)
|
|
|| (sn->fr_child != NULL
|
|
&& check_snapshot_rec(sn->fr_child, fr->fr_child) == FAIL))
|
|
return FAIL;
|
|
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.
|
|
*/
|
|
static win_T *
|
|
restore_snapshot_rec(sn, fr)
|
|
frame_T *sn;
|
|
frame_T *fr;
|
|
{
|
|
win_T *wp = NULL;
|
|
win_T *wp2;
|
|
|
|
fr->fr_height = sn->fr_height;
|
|
# ifdef FEAT_VERTSPLIT
|
|
fr->fr_width = sn->fr_width;
|
|
# endif
|
|
if (fr->fr_layout == FR_LEAF)
|
|
{
|
|
frame_new_height(fr, fr->fr_height, FALSE, FALSE);
|
|
# ifdef FEAT_VERTSPLIT
|
|
frame_new_width(fr, fr->fr_width, FALSE);
|
|
# endif
|
|
wp = sn->fr_win;
|
|
}
|
|
if (sn->fr_next != NULL)
|
|
{
|
|
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);
|
|
if (wp2 != NULL)
|
|
wp = wp2;
|
|
}
|
|
return wp;
|
|
}
|
|
|
|
#endif
|
|
|
|
#if (defined(FEAT_GUI) && defined(FEAT_VERTSPLIT)) || defined(PROTO)
|
|
/*
|
|
* Return TRUE if there is any vertically split window.
|
|
*/
|
|
int
|
|
win_hasvertsplit()
|
|
{
|
|
frame_T *fr;
|
|
|
|
if (topframe->fr_layout == FR_ROW)
|
|
return TRUE;
|
|
|
|
if (topframe->fr_layout == FR_COL)
|
|
for (fr = topframe->fr_child; fr != NULL; fr = fr->fr_next)
|
|
if (fr->fr_layout == FR_ROW)
|
|
return TRUE;
|
|
|
|
return FALSE;
|
|
}
|
|
#endif
|