mirror of https://github.com/vim/vim.git
1490 lines
35 KiB
C
1490 lines
35 KiB
C
/* vi:set ts=8 sts=4 sw=4 noet:
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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 copying and usage conditions.
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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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/*
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* popupmenu.c: Popup menu (PUM)
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*/
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#include "vim.h"
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static pumitem_T *pum_array = NULL; /* items of displayed pum */
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static int pum_size; /* nr of items in "pum_array" */
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static int pum_selected; /* index of selected item or -1 */
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static int pum_first = 0; /* index of top item */
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static int call_update_screen = FALSE;
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static int pum_height; /* nr of displayed pum items */
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static int pum_width; /* width of displayed pum items */
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static int pum_base_width; /* width of pum items base */
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static int pum_kind_width; /* width of pum items kind column */
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static int pum_extra_width; /* width of extra stuff */
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static int pum_scrollbar; /* TRUE when scrollbar present */
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static int pum_row; /* top row of pum */
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static int pum_col; /* left column of pum */
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static win_T *pum_window = NULL;
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static int pum_win_row;
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static int pum_win_height;
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static int pum_win_col;
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static int pum_win_wcol;
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static int pum_win_width;
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static int pum_do_redraw = FALSE; // do redraw anyway
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static int pum_skip_redraw = FALSE; // skip redraw
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static int pum_set_selected(int n, int repeat);
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#define PUM_DEF_HEIGHT 10
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static void
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pum_compute_size(void)
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{
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int i;
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int w;
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/* Compute the width of the widest match and the widest extra. */
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pum_base_width = 0;
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pum_kind_width = 0;
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pum_extra_width = 0;
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for (i = 0; i < pum_size; ++i)
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{
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w = vim_strsize(pum_array[i].pum_text);
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if (pum_base_width < w)
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pum_base_width = w;
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if (pum_array[i].pum_kind != NULL)
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{
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w = vim_strsize(pum_array[i].pum_kind) + 1;
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if (pum_kind_width < w)
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pum_kind_width = w;
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}
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if (pum_array[i].pum_extra != NULL)
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{
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w = vim_strsize(pum_array[i].pum_extra) + 1;
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if (pum_extra_width < w)
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pum_extra_width = w;
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}
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}
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}
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/*
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* Show the popup menu with items "array[size]".
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* "array" must remain valid until pum_undisplay() is called!
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* When possible the leftmost character is aligned with cursor column.
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* The menu appears above the screen line "row" or at "row" + "height" - 1.
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*/
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void
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pum_display(
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pumitem_T *array,
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int size,
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int selected) /* index of initially selected item, none if
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out of range */
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{
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int def_width;
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int max_width;
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int context_lines;
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int cursor_col;
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int above_row;
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int below_row;
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int redo_count = 0;
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#if defined(FEAT_QUICKFIX)
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win_T *pvwin;
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#endif
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do
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{
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def_width = p_pw;
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above_row = 0;
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below_row = cmdline_row;
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/* Pretend the pum is already there to avoid that must_redraw is set
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* when 'cuc' is on. */
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pum_array = (pumitem_T *)1;
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validate_cursor_col();
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pum_array = NULL;
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// Remember the essential parts of the window position and size, so we
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// can decide when to reposition the popup menu.
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pum_window = curwin;
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pum_win_row = curwin->w_wrow + W_WINROW(curwin);
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pum_win_height = curwin->w_height;
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pum_win_col = curwin->w_wincol;
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pum_win_wcol = curwin->w_wcol;
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pum_win_width = curwin->w_width;
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#if defined(FEAT_QUICKFIX)
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FOR_ALL_WINDOWS(pvwin)
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if (pvwin->w_p_pvw)
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break;
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if (pvwin != NULL)
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{
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if (W_WINROW(pvwin) < W_WINROW(curwin))
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above_row = W_WINROW(pvwin) + pvwin->w_height;
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else if (W_WINROW(pvwin) > W_WINROW(curwin) + curwin->w_height)
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below_row = W_WINROW(pvwin);
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}
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#endif
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/*
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* Figure out the size and position of the pum.
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*/
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if (size < PUM_DEF_HEIGHT)
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pum_height = size;
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else
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pum_height = PUM_DEF_HEIGHT;
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if (p_ph > 0 && pum_height > p_ph)
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pum_height = p_ph;
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/* Put the pum below "pum_win_row" if possible. If there are few lines
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* decide on where there is more room. */
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if (pum_win_row + 2 >= below_row - pum_height
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&& pum_win_row - above_row > (below_row - above_row) / 2)
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{
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/* pum above "pum_win_row" */
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/* Leave two lines of context if possible */
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if (curwin->w_wrow - curwin->w_cline_row >= 2)
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context_lines = 2;
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else
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context_lines = curwin->w_wrow - curwin->w_cline_row;
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if (pum_win_row >= size + context_lines)
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{
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pum_row = pum_win_row - size - context_lines;
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pum_height = size;
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}
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else
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{
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pum_row = 0;
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pum_height = pum_win_row - context_lines;
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}
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if (p_ph > 0 && pum_height > p_ph)
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{
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pum_row += pum_height - p_ph;
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pum_height = p_ph;
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}
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}
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else
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{
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/* pum below "pum_win_row" */
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/* Leave two lines of context if possible */
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if (curwin->w_cline_row
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+ curwin->w_cline_height - curwin->w_wrow >= 3)
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context_lines = 3;
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else
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context_lines = curwin->w_cline_row
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+ curwin->w_cline_height - curwin->w_wrow;
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pum_row = pum_win_row + context_lines;
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if (size > below_row - pum_row)
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pum_height = below_row - pum_row;
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else
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pum_height = size;
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if (p_ph > 0 && pum_height > p_ph)
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pum_height = p_ph;
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}
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/* don't display when we only have room for one line */
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if (pum_height < 1 || (pum_height == 1 && size > 1))
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return;
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#if defined(FEAT_QUICKFIX)
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// If there is a preview window above avoid drawing over it.
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if (pvwin != NULL && pum_row < above_row && pum_height > above_row)
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{
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pum_row = above_row;
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pum_height = pum_win_row - above_row;
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}
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#endif
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pum_array = array;
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pum_size = size;
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pum_compute_size();
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max_width = pum_base_width;
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/* Calculate column */
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#ifdef FEAT_RIGHTLEFT
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if (curwin->w_p_rl)
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cursor_col = curwin->w_wincol + curwin->w_width
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- curwin->w_wcol - 1;
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else
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#endif
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cursor_col = curwin->w_wincol + curwin->w_wcol;
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/* if there are more items than room we need a scrollbar */
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if (pum_height < size)
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{
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pum_scrollbar = 1;
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++max_width;
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}
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else
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pum_scrollbar = 0;
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if (def_width < max_width)
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def_width = max_width;
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if (((cursor_col < Columns - p_pw
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|| cursor_col < Columns - max_width)
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#ifdef FEAT_RIGHTLEFT
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&& !curwin->w_p_rl)
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|| (curwin->w_p_rl
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&& (cursor_col > p_pw || cursor_col > max_width)
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#endif
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))
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{
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/* align pum with "cursor_col" */
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pum_col = cursor_col;
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/* start with the maximum space available */
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#ifdef FEAT_RIGHTLEFT
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if (curwin->w_p_rl)
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pum_width = pum_col - pum_scrollbar + 1;
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else
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#endif
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pum_width = Columns - pum_col - pum_scrollbar;
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if (pum_width > max_width + pum_kind_width + pum_extra_width + 1
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&& pum_width > p_pw)
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{
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/* the width is more than needed for the items, make it
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* narrower */
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pum_width = max_width + pum_kind_width + pum_extra_width + 1;
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if (pum_width < p_pw)
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pum_width = p_pw;
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}
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else if (((cursor_col > p_pw || cursor_col > max_width)
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#ifdef FEAT_RIGHTLEFT
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&& !curwin->w_p_rl)
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|| (curwin->w_p_rl && (cursor_col < Columns - p_pw
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|| cursor_col < Columns - max_width)
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#endif
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))
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{
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/* align pum edge with "cursor_col" */
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#ifdef FEAT_RIGHTLEFT
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if (curwin->w_p_rl
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&& W_ENDCOL(curwin) < max_width + pum_scrollbar + 1)
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{
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pum_col = cursor_col + max_width + pum_scrollbar + 1;
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if (pum_col >= Columns)
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pum_col = Columns - 1;
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}
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else if (!curwin->w_p_rl)
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#endif
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{
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if (curwin->w_wincol > Columns - max_width - pum_scrollbar
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&& max_width <= p_pw)
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{
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/* use full width to end of the screen */
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pum_col = Columns - max_width - pum_scrollbar;
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if (pum_col < 0)
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pum_col = 0;
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}
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}
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#ifdef FEAT_RIGHTLEFT
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if (curwin->w_p_rl)
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pum_width = pum_col - pum_scrollbar + 1;
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else
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#endif
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pum_width = Columns - pum_col - pum_scrollbar;
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if (pum_width < p_pw)
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{
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pum_width = p_pw;
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#ifdef FEAT_RIGHTLEFT
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if (curwin->w_p_rl)
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{
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if (pum_width > pum_col)
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pum_width = pum_col;
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}
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else
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#endif
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{
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if (pum_width >= Columns - pum_col)
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pum_width = Columns - pum_col - 1;
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}
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}
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else if (pum_width > max_width + pum_kind_width
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+ pum_extra_width + 1
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&& pum_width > p_pw)
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{
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pum_width = max_width + pum_kind_width
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+ pum_extra_width + 1;
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if (pum_width < p_pw)
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pum_width = p_pw;
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}
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}
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}
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else if (Columns < def_width)
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{
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/* not enough room, will use what we have */
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#ifdef FEAT_RIGHTLEFT
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if (curwin->w_p_rl)
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pum_col = Columns - 1;
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else
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#endif
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pum_col = 0;
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pum_width = Columns - 1;
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}
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else
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{
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if (max_width > p_pw)
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max_width = p_pw; /* truncate */
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#ifdef FEAT_RIGHTLEFT
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if (curwin->w_p_rl)
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pum_col = max_width - 1;
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else
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#endif
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pum_col = Columns - max_width;
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pum_width = max_width - pum_scrollbar;
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}
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/* Set selected item and redraw. If the window size changed need to
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* redo the positioning. Limit this to two times, when there is not
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* much room the window size will keep changing. */
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} while (pum_set_selected(selected, redo_count) && ++redo_count <= 2);
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}
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/*
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* Set a flag that when pum_redraw() is called it first calls update_screen().
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* This will avoid clearing and redrawing the popup menu, prevent flicker.
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*/
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void
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pum_call_update_screen()
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{
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call_update_screen = TRUE;
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// Update the cursor position to be able to compute the popup menu
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// position. The cursor line length may have changed because of the
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// inserted completion.
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curwin->w_valid &= ~(VALID_CROW|VALID_CHEIGHT);
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validate_cursor();
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}
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/*
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* Return TRUE if we are going to redraw the popup menu and the screen position
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* "row"/"col" is under the popup menu.
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*/
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int
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pum_under_menu(int row, int col)
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{
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return pum_skip_redraw
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&& row >= pum_row
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&& row < pum_row + pum_height
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&& col >= pum_col - 1
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&& col < pum_col + pum_width;
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}
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/*
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* Redraw the popup menu, using "pum_first" and "pum_selected".
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*/
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void
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pum_redraw(void)
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{
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int row = pum_row;
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int col;
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int attr_norm = highlight_attr[HLF_PNI];
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int attr_select = highlight_attr[HLF_PSI];
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int attr_scroll = highlight_attr[HLF_PSB];
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int attr_thumb = highlight_attr[HLF_PST];
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int attr;
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int i;
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int idx;
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char_u *s;
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char_u *p = NULL;
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int totwidth, width, w;
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int thumb_pos = 0;
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int thumb_height = 1;
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int round;
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int n;
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if (call_update_screen)
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{
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call_update_screen = FALSE;
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pum_skip_redraw = TRUE; // do not redraw in pum_may_redraw().
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update_screen(0);
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pum_skip_redraw = FALSE;
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}
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// never display more than we have
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if (pum_first > pum_size - pum_height)
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pum_first = pum_size - pum_height;
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if (pum_scrollbar)
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{
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thumb_height = pum_height * pum_height / pum_size;
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if (thumb_height == 0)
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thumb_height = 1;
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thumb_pos = (pum_first * (pum_height - thumb_height)
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+ (pum_size - pum_height) / 2)
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/ (pum_size - pum_height);
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}
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#ifdef FEAT_TEXT_PROP
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// The popup menu is drawn over popup menus with zindex under
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// POPUPMENU_ZINDEX.
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screen_zindex = POPUPMENU_ZINDEX;
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#endif
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for (i = 0; i < pum_height; ++i)
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{
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idx = i + pum_first;
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attr = (idx == pum_selected) ? attr_select : attr_norm;
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/* prepend a space if there is room */
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#ifdef FEAT_RIGHTLEFT
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if (curwin->w_p_rl)
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{
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if (pum_col < curwin->w_wincol + curwin->w_width - 1)
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screen_putchar(' ', row, pum_col + 1, attr);
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}
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else
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#endif
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if (pum_col > 0)
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screen_putchar(' ', row, pum_col - 1, attr);
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/* Display each entry, use two spaces for a Tab.
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* Do this 3 times: For the main text, kind and extra info */
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col = pum_col;
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totwidth = 0;
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for (round = 1; round <= 3; ++round)
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{
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width = 0;
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s = NULL;
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switch (round)
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{
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case 1: p = pum_array[idx].pum_text; break;
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case 2: p = pum_array[idx].pum_kind; break;
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case 3: p = pum_array[idx].pum_extra; break;
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}
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if (p != NULL)
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for ( ; ; MB_PTR_ADV(p))
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{
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if (s == NULL)
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s = p;
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w = ptr2cells(p);
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if (*p == NUL || *p == TAB || totwidth + w > pum_width)
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{
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/* Display the text that fits or comes before a Tab.
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* First convert it to printable characters. */
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char_u *st;
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int saved = *p;
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if (saved != NUL)
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*p = NUL;
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st = transstr(s);
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if (saved != NUL)
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*p = saved;
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#ifdef FEAT_RIGHTLEFT
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if (curwin->w_p_rl)
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{
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if (st != NULL)
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{
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char_u *rt = reverse_text(st);
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if (rt != NULL)
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{
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char_u *rt_start = rt;
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int size;
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size = vim_strsize(rt);
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if (size > pum_width)
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{
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do
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{
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size -= has_mbyte
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? (*mb_ptr2cells)(rt) : 1;
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MB_PTR_ADV(rt);
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} while (size > pum_width);
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if (size < pum_width)
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{
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/* Most left character requires
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* 2-cells but only 1 cell is
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* available on screen. Put a
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* '<' on the left of the pum
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* item */
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*(--rt) = '<';
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size++;
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}
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}
|
|
screen_puts_len(rt, (int)STRLEN(rt),
|
|
row, col - size + 1, attr);
|
|
vim_free(rt_start);
|
|
}
|
|
vim_free(st);
|
|
}
|
|
col -= width;
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
if (st != NULL)
|
|
{
|
|
screen_puts_len(st, (int)STRLEN(st), row, col,
|
|
attr);
|
|
vim_free(st);
|
|
}
|
|
col += width;
|
|
}
|
|
|
|
if (*p != TAB)
|
|
break;
|
|
|
|
/* Display two spaces for a Tab. */
|
|
#ifdef FEAT_RIGHTLEFT
|
|
if (curwin->w_p_rl)
|
|
{
|
|
screen_puts_len((char_u *)" ", 2, row, col - 1,
|
|
attr);
|
|
col -= 2;
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
screen_puts_len((char_u *)" ", 2, row, col, attr);
|
|
col += 2;
|
|
}
|
|
totwidth += 2;
|
|
s = NULL; /* start text at next char */
|
|
width = 0;
|
|
}
|
|
else
|
|
width += w;
|
|
}
|
|
|
|
if (round > 1)
|
|
n = pum_kind_width + 1;
|
|
else
|
|
n = 1;
|
|
|
|
/* Stop when there is nothing more to display. */
|
|
if (round == 3
|
|
|| (round == 2 && pum_array[idx].pum_extra == NULL)
|
|
|| (round == 1 && pum_array[idx].pum_kind == NULL
|
|
&& pum_array[idx].pum_extra == NULL)
|
|
|| pum_base_width + n >= pum_width)
|
|
break;
|
|
#ifdef FEAT_RIGHTLEFT
|
|
if (curwin->w_p_rl)
|
|
{
|
|
screen_fill(row, row + 1, pum_col - pum_base_width - n + 1,
|
|
col + 1, ' ', ' ', attr);
|
|
col = pum_col - pum_base_width - n + 1;
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
screen_fill(row, row + 1, col, pum_col + pum_base_width + n,
|
|
' ', ' ', attr);
|
|
col = pum_col + pum_base_width + n;
|
|
}
|
|
totwidth = pum_base_width + n;
|
|
}
|
|
|
|
#ifdef FEAT_RIGHTLEFT
|
|
if (curwin->w_p_rl)
|
|
screen_fill(row, row + 1, pum_col - pum_width + 1, col + 1, ' ',
|
|
' ', attr);
|
|
else
|
|
#endif
|
|
screen_fill(row, row + 1, col, pum_col + pum_width, ' ', ' ',
|
|
attr);
|
|
if (pum_scrollbar > 0)
|
|
{
|
|
#ifdef FEAT_RIGHTLEFT
|
|
if (curwin->w_p_rl)
|
|
screen_putchar(' ', row, pum_col - pum_width,
|
|
i >= thumb_pos && i < thumb_pos + thumb_height
|
|
? attr_thumb : attr_scroll);
|
|
else
|
|
#endif
|
|
screen_putchar(' ', row, pum_col + pum_width,
|
|
i >= thumb_pos && i < thumb_pos + thumb_height
|
|
? attr_thumb : attr_scroll);
|
|
}
|
|
|
|
++row;
|
|
}
|
|
|
|
#ifdef FEAT_TEXT_PROP
|
|
screen_zindex = 0;
|
|
#endif
|
|
}
|
|
|
|
#if defined(FEAT_TEXT_PROP) && defined(FEAT_QUICKFIX)
|
|
static void
|
|
pum_position_info_popup(void)
|
|
{
|
|
int col = pum_col + pum_width + 1;
|
|
int row = pum_row;
|
|
int botpos = POPPOS_BOTLEFT;
|
|
|
|
curwin->w_popup_pos = POPPOS_TOPLEFT;
|
|
if (Columns - col < 20 && Columns - col < pum_col)
|
|
{
|
|
col = pum_col - 1;
|
|
curwin->w_popup_pos = POPPOS_TOPRIGHT;
|
|
botpos = POPPOS_BOTRIGHT;
|
|
curwin->w_maxwidth = pum_col - 1;
|
|
}
|
|
else
|
|
curwin->w_maxwidth = Columns - col + 1;
|
|
curwin->w_maxwidth -= popup_extra_width(curwin);
|
|
|
|
row -= popup_top_extra(curwin);
|
|
if (curwin->w_popup_flags & POPF_INFO_MENU)
|
|
{
|
|
if (pum_row < pum_win_row)
|
|
{
|
|
// menu above cursor line, align with bottom
|
|
row += pum_height;
|
|
curwin->w_popup_pos = botpos;
|
|
}
|
|
else
|
|
// menu below cursor line, align with top
|
|
row += 1;
|
|
}
|
|
else
|
|
// align with the selected item
|
|
row += pum_selected - pum_first + 1;
|
|
|
|
popup_set_wantpos_rowcol(curwin, row, col);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Set the index of the currently selected item. The menu will scroll when
|
|
* necessary. When "n" is out of range don't scroll.
|
|
* This may be repeated when the preview window is used:
|
|
* "repeat" == 0: open preview window normally
|
|
* "repeat" == 1: open preview window but don't set the size
|
|
* "repeat" == 2: don't open preview window
|
|
* Returns TRUE when the window was resized and the location of the popup menu
|
|
* must be recomputed.
|
|
*/
|
|
static int
|
|
pum_set_selected(int n, int repeat UNUSED)
|
|
{
|
|
int resized = FALSE;
|
|
int context = pum_height / 2;
|
|
#ifdef FEAT_QUICKFIX
|
|
int prev_selected = pum_selected;
|
|
#endif
|
|
#ifdef FEAT_TEXT_PROP
|
|
int has_info = FALSE;
|
|
#endif
|
|
|
|
pum_selected = n;
|
|
|
|
if (pum_selected >= 0 && pum_selected < pum_size)
|
|
{
|
|
if (pum_first > pum_selected - 4)
|
|
{
|
|
/* scroll down; when we did a jump it's probably a PageUp then
|
|
* scroll a whole page */
|
|
if (pum_first > pum_selected - 2)
|
|
{
|
|
pum_first -= pum_height - 2;
|
|
if (pum_first < 0)
|
|
pum_first = 0;
|
|
else if (pum_first > pum_selected)
|
|
pum_first = pum_selected;
|
|
}
|
|
else
|
|
pum_first = pum_selected;
|
|
}
|
|
else if (pum_first < pum_selected - pum_height + 5)
|
|
{
|
|
/* scroll up; when we did a jump it's probably a PageDown then
|
|
* scroll a whole page */
|
|
if (pum_first < pum_selected - pum_height + 1 + 2)
|
|
{
|
|
pum_first += pum_height - 2;
|
|
if (pum_first < pum_selected - pum_height + 1)
|
|
pum_first = pum_selected - pum_height + 1;
|
|
}
|
|
else
|
|
pum_first = pum_selected - pum_height + 1;
|
|
}
|
|
|
|
/* Give a few lines of context when possible. */
|
|
if (context > 3)
|
|
context = 3;
|
|
if (pum_height > 2)
|
|
{
|
|
if (pum_first > pum_selected - context)
|
|
{
|
|
/* scroll down */
|
|
pum_first = pum_selected - context;
|
|
if (pum_first < 0)
|
|
pum_first = 0;
|
|
}
|
|
else if (pum_first < pum_selected + context - pum_height + 1)
|
|
{
|
|
/* scroll up */
|
|
pum_first = pum_selected + context - pum_height + 1;
|
|
}
|
|
}
|
|
// adjust for the number of lines displayed
|
|
if (pum_first > pum_size - pum_height)
|
|
pum_first = pum_size - pum_height;
|
|
|
|
#if defined(FEAT_QUICKFIX)
|
|
/*
|
|
* Show extra info in the preview window if there is something and
|
|
* 'completeopt' contains "preview" or "popup".
|
|
* Skip this when tried twice already.
|
|
* Skip this also when there is not much room.
|
|
* NOTE: Be very careful not to sync undo!
|
|
*/
|
|
if (pum_array[pum_selected].pum_info != NULL
|
|
&& Rows > 10
|
|
&& repeat <= 1
|
|
&& vim_strchr(p_cot, 'p') != NULL)
|
|
{
|
|
win_T *curwin_save = curwin;
|
|
tabpage_T *curtab_save = curtab;
|
|
int res = OK;
|
|
# ifdef FEAT_TEXT_PROP
|
|
int use_popup = strstr((char *)p_cot, "popup") != NULL;
|
|
# else
|
|
# define use_popup 0
|
|
# endif
|
|
# ifdef FEAT_TEXT_PROP
|
|
has_info = TRUE;
|
|
# endif
|
|
// Open a preview window. 3 lines by default. Prefer
|
|
// 'previewheight' if set and smaller.
|
|
g_do_tagpreview = 3;
|
|
if (p_pvh > 0 && p_pvh < g_do_tagpreview)
|
|
g_do_tagpreview = p_pvh;
|
|
++RedrawingDisabled;
|
|
// Prevent undo sync here, if an autocommand syncs undo weird
|
|
// things can happen to the undo tree.
|
|
++no_u_sync;
|
|
resized = prepare_tagpreview(FALSE, FALSE, use_popup);
|
|
--no_u_sync;
|
|
--RedrawingDisabled;
|
|
g_do_tagpreview = 0;
|
|
|
|
if (curwin->w_p_pvw
|
|
# ifdef FEAT_TEXT_PROP
|
|
|| (curwin->w_popup_flags & POPF_INFO)
|
|
# endif
|
|
)
|
|
{
|
|
if (!resized
|
|
&& curbuf->b_nwindows == 1
|
|
&& curbuf->b_fname == NULL
|
|
&& bt_nofile(curbuf)
|
|
&& curbuf->b_p_bh[0] == 'w')
|
|
{
|
|
// Already a "wipeout" buffer, make it empty.
|
|
while (!BUFEMPTY())
|
|
ml_delete((linenr_T)1, FALSE);
|
|
}
|
|
else
|
|
{
|
|
// Don't want to sync undo in the current buffer.
|
|
++no_u_sync;
|
|
res = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 0, NULL);
|
|
--no_u_sync;
|
|
if (res == OK)
|
|
{
|
|
// Edit a new, empty buffer. Set options for a "wipeout"
|
|
// buffer.
|
|
set_option_value((char_u *)"swf", 0L, NULL, OPT_LOCAL);
|
|
set_option_value((char_u *)"bt", 0L,
|
|
(char_u *)"nofile", OPT_LOCAL);
|
|
set_option_value((char_u *)"bh", 0L,
|
|
(char_u *)"wipe", OPT_LOCAL);
|
|
set_option_value((char_u *)"diff", 0L,
|
|
NULL, OPT_LOCAL);
|
|
}
|
|
}
|
|
if (res == OK)
|
|
{
|
|
char_u *p, *e;
|
|
linenr_T lnum = 0;
|
|
|
|
for (p = pum_array[pum_selected].pum_info; *p != NUL; )
|
|
{
|
|
e = vim_strchr(p, '\n');
|
|
if (e == NULL)
|
|
{
|
|
ml_append(lnum++, p, 0, FALSE);
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
*e = NUL;
|
|
ml_append(lnum++, p, (int)(e - p + 1), FALSE);
|
|
*e = '\n';
|
|
p = e + 1;
|
|
}
|
|
}
|
|
// delete the empty last line
|
|
ml_delete(curbuf->b_ml.ml_line_count, FALSE);
|
|
|
|
/* Increase the height of the preview window to show the
|
|
* text, but no more than 'previewheight' lines. */
|
|
if (repeat == 0 && !use_popup)
|
|
{
|
|
if (lnum > p_pvh)
|
|
lnum = p_pvh;
|
|
if (curwin->w_height < lnum)
|
|
{
|
|
win_setheight((int)lnum);
|
|
resized = TRUE;
|
|
}
|
|
}
|
|
|
|
curbuf->b_changed = 0;
|
|
curbuf->b_p_ma = FALSE;
|
|
if (pum_selected != prev_selected)
|
|
{
|
|
# ifdef FEAT_TEXT_PROP
|
|
curwin->w_firstline = 1;
|
|
# endif
|
|
curwin->w_topline = 1;
|
|
}
|
|
else if (curwin->w_topline > curbuf->b_ml.ml_line_count)
|
|
curwin->w_topline = curbuf->b_ml.ml_line_count;
|
|
curwin->w_cursor.lnum = curwin->w_topline;
|
|
curwin->w_cursor.col = 0;
|
|
# ifdef FEAT_TEXT_PROP
|
|
if (use_popup)
|
|
{
|
|
pum_position_info_popup();
|
|
if (win_valid(curwin_save))
|
|
redraw_win_later(curwin_save, SOME_VALID);
|
|
}
|
|
# endif
|
|
if ((curwin != curwin_save && win_valid(curwin_save))
|
|
|| (curtab != curtab_save
|
|
&& valid_tabpage(curtab_save)))
|
|
{
|
|
if (curtab != curtab_save && valid_tabpage(curtab_save))
|
|
goto_tabpage_tp(curtab_save, FALSE, FALSE);
|
|
|
|
/* When the first completion is done and the preview
|
|
* window is not resized, skip the preview window's
|
|
* status line redrawing. */
|
|
if (ins_compl_active() && !resized)
|
|
curwin->w_redr_status = FALSE;
|
|
|
|
/* Return cursor to where we were */
|
|
validate_cursor();
|
|
redraw_later(SOME_VALID);
|
|
|
|
/* When the preview window was resized we need to
|
|
* update the view on the buffer. Only go back to
|
|
* the window when needed, otherwise it will always be
|
|
* redraw. */
|
|
if (resized && win_valid(curwin_save))
|
|
{
|
|
++no_u_sync;
|
|
win_enter(curwin_save, TRUE);
|
|
--no_u_sync;
|
|
update_topline();
|
|
}
|
|
|
|
/* Update the screen before drawing the popup menu.
|
|
* Enable updating the status lines. */
|
|
pum_do_redraw = TRUE;
|
|
update_screen(0);
|
|
pum_do_redraw = FALSE;
|
|
|
|
if (!resized && win_valid(curwin_save))
|
|
{
|
|
++no_u_sync;
|
|
win_enter(curwin_save, TRUE);
|
|
--no_u_sync;
|
|
}
|
|
|
|
/* May need to update the screen again when there are
|
|
* autocommands involved. */
|
|
pum_do_redraw = TRUE;
|
|
update_screen(0);
|
|
pum_do_redraw = FALSE;
|
|
call_update_screen = FALSE;
|
|
}
|
|
}
|
|
}
|
|
# if defined(FEAT_TEXT_PROP) && defined(FEAT_QUICKFIX)
|
|
if (WIN_IS_POPUP(curwin))
|
|
// can't keep focus in a popup window
|
|
win_enter(firstwin, TRUE);
|
|
# endif
|
|
}
|
|
#endif
|
|
}
|
|
#if defined(FEAT_TEXT_PROP) && defined(FEAT_QUICKFIX)
|
|
if (!has_info)
|
|
// hide any popup info window
|
|
popup_hide_info();
|
|
#endif
|
|
|
|
if (!resized)
|
|
pum_redraw();
|
|
|
|
return resized;
|
|
}
|
|
|
|
/*
|
|
* Undisplay the popup menu (later).
|
|
*/
|
|
void
|
|
pum_undisplay(void)
|
|
{
|
|
pum_array = NULL;
|
|
redraw_all_later(NOT_VALID);
|
|
redraw_tabline = TRUE;
|
|
status_redraw_all();
|
|
#if defined(FEAT_TEXT_PROP) && defined(FEAT_QUICKFIX)
|
|
// hide any popup info window
|
|
popup_hide_info();
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Clear the popup menu. Currently only resets the offset to the first
|
|
* displayed item.
|
|
*/
|
|
void
|
|
pum_clear(void)
|
|
{
|
|
pum_first = 0;
|
|
}
|
|
|
|
/*
|
|
* Return TRUE if the popup menu is displayed.
|
|
* Overruled when "pum_do_redraw" is set, used to redraw the status lines.
|
|
*/
|
|
int
|
|
pum_visible(void)
|
|
{
|
|
return !pum_do_redraw && pum_array != NULL;
|
|
}
|
|
|
|
/*
|
|
* Reposition the popup menu to adjust for window layout changes.
|
|
*/
|
|
void
|
|
pum_may_redraw(void)
|
|
{
|
|
pumitem_T *array = pum_array;
|
|
int len = pum_size;
|
|
int selected = pum_selected;
|
|
|
|
if (!pum_visible() || pum_skip_redraw)
|
|
return; // nothing to do
|
|
|
|
if (pum_window != curwin
|
|
|| (pum_win_row == curwin->w_wrow + W_WINROW(curwin)
|
|
&& pum_win_height == curwin->w_height
|
|
&& pum_win_col == curwin->w_wincol
|
|
&& pum_win_width == curwin->w_width))
|
|
{
|
|
// window position didn't change, redraw in the same position
|
|
pum_redraw();
|
|
}
|
|
else
|
|
{
|
|
int wcol = curwin->w_wcol;
|
|
|
|
// Window layout changed, recompute the position.
|
|
// Use the remembered w_wcol value, the cursor may have moved when a
|
|
// completion was inserted, but we want the menu in the same position.
|
|
pum_undisplay();
|
|
curwin->w_wcol = pum_win_wcol;
|
|
curwin->w_valid |= VALID_WCOL;
|
|
pum_display(array, len, selected);
|
|
curwin->w_wcol = wcol;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Return the height of the popup menu, the number of entries visible.
|
|
* Only valid when pum_visible() returns TRUE!
|
|
*/
|
|
int
|
|
pum_get_height(void)
|
|
{
|
|
return pum_height;
|
|
}
|
|
|
|
#if defined(FEAT_EVAL) || defined(PROTO)
|
|
/*
|
|
* Add size information about the pum to "dict".
|
|
*/
|
|
void
|
|
pum_set_event_info(dict_T *dict)
|
|
{
|
|
if (!pum_visible())
|
|
return;
|
|
dict_add_number(dict, "height", pum_height);
|
|
dict_add_number(dict, "width", pum_width);
|
|
dict_add_number(dict, "row", pum_row);
|
|
dict_add_number(dict, "col", pum_col);
|
|
dict_add_number(dict, "size", pum_size);
|
|
dict_add_special(dict, "scrollbar", pum_scrollbar ? VVAL_TRUE : VVAL_FALSE);
|
|
}
|
|
#endif
|
|
|
|
#if defined(FEAT_BEVAL_TERM) || defined(FEAT_TERM_POPUP_MENU) || defined(PROTO)
|
|
static void
|
|
pum_position_at_mouse(int min_width)
|
|
{
|
|
if (Rows - mouse_row > pum_size)
|
|
{
|
|
/* Enough space below the mouse row. */
|
|
pum_row = mouse_row + 1;
|
|
if (pum_height > Rows - pum_row)
|
|
pum_height = Rows - pum_row;
|
|
}
|
|
else
|
|
{
|
|
/* Show above the mouse row, reduce height if it does not fit. */
|
|
pum_row = mouse_row - pum_size;
|
|
if (pum_row < 0)
|
|
{
|
|
pum_height += pum_row;
|
|
pum_row = 0;
|
|
}
|
|
}
|
|
if (Columns - mouse_col >= pum_base_width
|
|
|| Columns - mouse_col > min_width)
|
|
/* Enough space to show at mouse column. */
|
|
pum_col = mouse_col;
|
|
else
|
|
/* Not enough space, right align with window. */
|
|
pum_col = Columns - (pum_base_width > min_width
|
|
? min_width : pum_base_width);
|
|
|
|
pum_width = Columns - pum_col;
|
|
if (pum_width > pum_base_width + 1)
|
|
pum_width = pum_base_width + 1;
|
|
|
|
// Do not redraw at cursor position.
|
|
pum_window = NULL;
|
|
}
|
|
|
|
#endif
|
|
|
|
#if defined(FEAT_BEVAL_TERM) || defined(PROTO)
|
|
static pumitem_T *balloon_array = NULL;
|
|
static int balloon_arraysize;
|
|
|
|
# define BALLOON_MIN_WIDTH 50
|
|
# define BALLOON_MIN_HEIGHT 10
|
|
|
|
typedef struct {
|
|
char_u *start;
|
|
int bytelen;
|
|
int cells;
|
|
int indent;
|
|
} balpart_T;
|
|
|
|
/*
|
|
* Split a string into parts to display in the balloon.
|
|
* Aimed at output from gdb. Attempts to split at white space, preserve quoted
|
|
* strings and make a struct look good.
|
|
* Resulting array is stored in "array" and returns the size of the array.
|
|
*/
|
|
int
|
|
split_message(char_u *mesg, pumitem_T **array)
|
|
{
|
|
garray_T ga;
|
|
char_u *p;
|
|
balpart_T *item;
|
|
int quoted = FALSE;
|
|
int height;
|
|
int line;
|
|
int item_idx;
|
|
int indent = 0;
|
|
int max_cells = 0;
|
|
int max_height = Rows / 2 - 2;
|
|
int long_item_count = 0;
|
|
int split_long_items = FALSE;
|
|
|
|
ga_init2(&ga, sizeof(balpart_T), 20);
|
|
p = mesg;
|
|
|
|
while (*p != NUL)
|
|
{
|
|
if (ga_grow(&ga, 1) == FAIL)
|
|
goto failed;
|
|
item = ((balpart_T *)ga.ga_data) + ga.ga_len;
|
|
item->start = p;
|
|
item->indent = indent;
|
|
item->cells = indent * 2;
|
|
++ga.ga_len;
|
|
while (*p != NUL)
|
|
{
|
|
if (*p == '"')
|
|
quoted = !quoted;
|
|
else if (*p == '\\' && p[1] != NUL)
|
|
++p;
|
|
else if (!quoted)
|
|
{
|
|
if ((*p == ',' && p[1] == ' ') || *p == '{' || *p == '}')
|
|
{
|
|
/* Looks like a good point to break. */
|
|
if (*p == '{')
|
|
++indent;
|
|
else if (*p == '}' && indent > 0)
|
|
--indent;
|
|
++item->cells;
|
|
p = skipwhite(p + 1);
|
|
break;
|
|
}
|
|
}
|
|
item->cells += ptr2cells(p);
|
|
p += MB_PTR2LEN(p);
|
|
}
|
|
item->bytelen = p - item->start;
|
|
if (item->cells > max_cells)
|
|
max_cells = item->cells;
|
|
long_item_count += (item->cells - 1) / BALLOON_MIN_WIDTH;
|
|
}
|
|
|
|
height = 2 + ga.ga_len;
|
|
|
|
/* If there are long items and the height is below the limit: split lines */
|
|
if (long_item_count > 0 && height + long_item_count <= max_height)
|
|
{
|
|
split_long_items = TRUE;
|
|
height += long_item_count;
|
|
}
|
|
|
|
/* Limit to half the window height, it has to fit above or below the mouse
|
|
* position. */
|
|
if (height > max_height)
|
|
height = max_height;
|
|
*array = ALLOC_CLEAR_MULT(pumitem_T, height);
|
|
if (*array == NULL)
|
|
goto failed;
|
|
|
|
/* Add an empty line above and below, looks better. */
|
|
(*array)->pum_text = vim_strsave((char_u *)"");
|
|
(*array + height - 1)->pum_text = vim_strsave((char_u *)"");
|
|
|
|
for (line = 1, item_idx = 0; line < height - 1; ++item_idx)
|
|
{
|
|
int skip;
|
|
int thislen;
|
|
int copylen;
|
|
int ind;
|
|
int cells;
|
|
|
|
item = ((balpart_T *)ga.ga_data) + item_idx;
|
|
for (skip = 0; skip < item->bytelen; skip += thislen)
|
|
{
|
|
if (split_long_items && item->cells >= BALLOON_MIN_WIDTH)
|
|
{
|
|
cells = item->indent * 2;
|
|
for (p = item->start + skip; p < item->start + item->bytelen;
|
|
p += MB_PTR2LEN(p))
|
|
if ((cells += ptr2cells(p)) > BALLOON_MIN_WIDTH)
|
|
break;
|
|
thislen = p - (item->start + skip);
|
|
}
|
|
else
|
|
thislen = item->bytelen;
|
|
|
|
// put indent at the start
|
|
p = alloc(thislen + item->indent * 2 + 1);
|
|
if (p == NULL)
|
|
{
|
|
for (line = 0; line <= height - 1; ++line)
|
|
vim_free((*array)[line].pum_text);
|
|
vim_free(*array);
|
|
goto failed;
|
|
}
|
|
for (ind = 0; ind < item->indent * 2; ++ind)
|
|
p[ind] = ' ';
|
|
|
|
// exclude spaces at the end of the string
|
|
for (copylen = thislen; copylen > 0; --copylen)
|
|
if (item->start[skip + copylen - 1] != ' ')
|
|
break;
|
|
|
|
vim_strncpy(p + ind, item->start + skip, copylen);
|
|
(*array)[line].pum_text = p;
|
|
item->indent = 0; /* wrapped line has no indent */
|
|
++line;
|
|
}
|
|
}
|
|
ga_clear(&ga);
|
|
return height;
|
|
|
|
failed:
|
|
ga_clear(&ga);
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
ui_remove_balloon(void)
|
|
{
|
|
if (balloon_array != NULL)
|
|
{
|
|
pum_undisplay();
|
|
while (balloon_arraysize > 0)
|
|
vim_free(balloon_array[--balloon_arraysize].pum_text);
|
|
VIM_CLEAR(balloon_array);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Terminal version of a balloon, uses the popup menu code.
|
|
*/
|
|
void
|
|
ui_post_balloon(char_u *mesg, list_T *list)
|
|
{
|
|
ui_remove_balloon();
|
|
|
|
if (mesg == NULL && list == NULL)
|
|
{
|
|
pum_undisplay();
|
|
return;
|
|
}
|
|
if (list != NULL)
|
|
{
|
|
listitem_T *li;
|
|
int idx;
|
|
|
|
balloon_arraysize = list->lv_len;
|
|
balloon_array = ALLOC_CLEAR_MULT(pumitem_T, list->lv_len);
|
|
if (balloon_array == NULL)
|
|
return;
|
|
for (idx = 0, li = list->lv_first; li != NULL; li = li->li_next, ++idx)
|
|
{
|
|
char_u *text = tv_get_string_chk(&li->li_tv);
|
|
|
|
balloon_array[idx].pum_text = vim_strsave(
|
|
text == NULL ? (char_u *)"" : text);
|
|
}
|
|
}
|
|
else
|
|
balloon_arraysize = split_message(mesg, &balloon_array);
|
|
|
|
if (balloon_arraysize > 0)
|
|
{
|
|
pum_array = balloon_array;
|
|
pum_size = balloon_arraysize;
|
|
pum_compute_size();
|
|
pum_scrollbar = 0;
|
|
pum_height = balloon_arraysize;
|
|
|
|
pum_position_at_mouse(BALLOON_MIN_WIDTH);
|
|
pum_selected = -1;
|
|
pum_first = 0;
|
|
pum_redraw();
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Called when the mouse moved, may remove any displayed balloon.
|
|
*/
|
|
void
|
|
ui_may_remove_balloon(void)
|
|
{
|
|
// For now: remove the balloon whenever the mouse moves to another screen
|
|
// cell.
|
|
ui_remove_balloon();
|
|
}
|
|
#endif
|
|
|
|
#if defined(FEAT_TERM_POPUP_MENU) || defined(PROTO)
|
|
/*
|
|
* Select the pum entry at the mouse position.
|
|
*/
|
|
static void
|
|
pum_select_mouse_pos(void)
|
|
{
|
|
int idx = mouse_row - pum_row;
|
|
|
|
if (idx < 0 || idx >= pum_size)
|
|
pum_selected = -1;
|
|
else if (*pum_array[idx].pum_text != NUL)
|
|
pum_selected = idx;
|
|
}
|
|
|
|
/*
|
|
* Execute the currently selected popup menu item.
|
|
*/
|
|
static void
|
|
pum_execute_menu(vimmenu_T *menu, int mode)
|
|
{
|
|
vimmenu_T *mp;
|
|
int idx = 0;
|
|
exarg_T ea;
|
|
|
|
for (mp = menu->children; mp != NULL; mp = mp->next)
|
|
if ((mp->modes & mp->enabled & mode) && idx++ == pum_selected)
|
|
{
|
|
vim_memset(&ea, 0, sizeof(ea));
|
|
execute_menu(&ea, mp, -1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Open the terminal version of the popup menu and don't return until it is
|
|
* closed.
|
|
*/
|
|
void
|
|
pum_show_popupmenu(vimmenu_T *menu)
|
|
{
|
|
vimmenu_T *mp;
|
|
int idx = 0;
|
|
pumitem_T *array;
|
|
# ifdef FEAT_BEVAL_TERM
|
|
int save_bevalterm = p_bevalterm;
|
|
# endif
|
|
int mode;
|
|
|
|
pum_undisplay();
|
|
pum_size = 0;
|
|
mode = get_menu_mode_flag();
|
|
|
|
for (mp = menu->children; mp != NULL; mp = mp->next)
|
|
if (menu_is_separator(mp->dname)
|
|
|| (mp->modes & mp->enabled & mode))
|
|
++pum_size;
|
|
|
|
// When there are only Terminal mode menus, using "popup Edit" results in
|
|
// pum_size being zero.
|
|
if (pum_size <= 0)
|
|
{
|
|
emsg(e_menuothermode);
|
|
return;
|
|
}
|
|
|
|
array = ALLOC_CLEAR_MULT(pumitem_T, pum_size);
|
|
if (array == NULL)
|
|
return;
|
|
|
|
for (mp = menu->children; mp != NULL; mp = mp->next)
|
|
if (menu_is_separator(mp->dname))
|
|
array[idx++].pum_text = (char_u *)"";
|
|
else if (mp->modes & mp->enabled & mode)
|
|
array[idx++].pum_text = mp->dname;
|
|
|
|
pum_array = array;
|
|
pum_compute_size();
|
|
pum_scrollbar = 0;
|
|
pum_height = pum_size;
|
|
pum_position_at_mouse(20);
|
|
|
|
pum_selected = -1;
|
|
pum_first = 0;
|
|
# ifdef FEAT_BEVAL_TERM
|
|
p_bevalterm = TRUE; /* track mouse movement */
|
|
mch_setmouse(TRUE);
|
|
# endif
|
|
|
|
for (;;)
|
|
{
|
|
int c;
|
|
|
|
pum_redraw();
|
|
setcursor_mayforce(TRUE);
|
|
out_flush();
|
|
|
|
c = vgetc();
|
|
|
|
// Bail out when typing Esc, CTRL-C or some callback closed the popup
|
|
// menu.
|
|
if (c == ESC || c == Ctrl_C || pum_array == NULL)
|
|
break;
|
|
else if (c == CAR || c == NL)
|
|
{
|
|
/* enter: select current item, if any, and close */
|
|
pum_execute_menu(menu, mode);
|
|
break;
|
|
}
|
|
else if (c == 'k' || c == K_UP || c == K_MOUSEUP)
|
|
{
|
|
/* cursor up: select previous item */
|
|
while (pum_selected > 0)
|
|
{
|
|
--pum_selected;
|
|
if (*array[pum_selected].pum_text != NUL)
|
|
break;
|
|
}
|
|
}
|
|
else if (c == 'j' || c == K_DOWN || c == K_MOUSEDOWN)
|
|
{
|
|
/* cursor down: select next item */
|
|
while (pum_selected < pum_size - 1)
|
|
{
|
|
++pum_selected;
|
|
if (*array[pum_selected].pum_text != NUL)
|
|
break;
|
|
}
|
|
}
|
|
else if (c == K_RIGHTMOUSE)
|
|
{
|
|
/* Right mouse down: reposition the menu. */
|
|
vungetc(c);
|
|
break;
|
|
}
|
|
else if (c == K_LEFTDRAG || c == K_RIGHTDRAG || c == K_MOUSEMOVE)
|
|
{
|
|
/* mouse moved: select item in the mouse row */
|
|
pum_select_mouse_pos();
|
|
}
|
|
else if (c == K_LEFTMOUSE || c == K_LEFTMOUSE_NM || c == K_RIGHTRELEASE)
|
|
{
|
|
/* left mouse click: select clicked item, if any, and close;
|
|
* right mouse release: select clicked item, close if any */
|
|
pum_select_mouse_pos();
|
|
if (pum_selected >= 0)
|
|
{
|
|
pum_execute_menu(menu, mode);
|
|
break;
|
|
}
|
|
if (c == K_LEFTMOUSE || c == K_LEFTMOUSE_NM)
|
|
break;
|
|
}
|
|
}
|
|
|
|
vim_free(array);
|
|
pum_undisplay();
|
|
# ifdef FEAT_BEVAL_TERM
|
|
p_bevalterm = save_bevalterm;
|
|
mch_setmouse(TRUE);
|
|
# endif
|
|
}
|
|
|
|
void
|
|
pum_make_popup(char_u *path_name, int use_mouse_pos)
|
|
{
|
|
vimmenu_T *menu;
|
|
|
|
if (!use_mouse_pos)
|
|
{
|
|
/* Hack: set mouse position at the cursor so that the menu pops up
|
|
* around there. */
|
|
mouse_row = curwin->w_winrow + curwin->w_wrow;
|
|
mouse_col = curwin->w_wincol + curwin->w_wcol;
|
|
}
|
|
|
|
menu = gui_find_menu(path_name);
|
|
if (menu != NULL)
|
|
pum_show_popupmenu(menu);
|
|
}
|
|
#endif
|