/
popupmnu.c
1450 lines (1314 loc) · 34 KB
/
popupmnu.c
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/* vi:set ts=8 sts=4 sw=4 noet:
*
* VIM - Vi IMproved by Bram Moolenaar
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
* See README.txt for an overview of the Vim source code.
*/
/*
* popupmnu.c: Popup menu (PUM)
*/
#include "vim.h"
#if defined(FEAT_INS_EXPAND) || defined(PROTO)
static pumitem_T *pum_array = NULL; /* items of displayed pum */
static int pum_size; /* nr of items in "pum_array" */
static int pum_selected; /* index of selected item or -1 */
static int pum_first = 0; /* index of top item */
static int call_update_screen = FALSE;
static int pum_height; /* nr of displayed pum items */
static int pum_width; /* width of displayed pum items */
static int pum_base_width; /* width of pum items base */
static int pum_kind_width; /* width of pum items kind column */
static int pum_extra_width; /* width of extra stuff */
static int pum_scrollbar; /* TRUE when scrollbar present */
static int pum_row; /* top row of pum */
static int pum_col; /* left column of pum */
static win_T *pum_window = NULL;
static int pum_win_row;
static int pum_win_height;
static int pum_win_col;
static int pum_win_wcol;
static int pum_win_width;
static int pum_do_redraw = FALSE; // do redraw anyway
static int pum_skip_redraw = FALSE; // skip redraw
static int pum_set_selected(int n, int repeat);
#define PUM_DEF_HEIGHT 10
static void
pum_compute_size(void)
{
int i;
int w;
/* Compute the width of the widest match and the widest extra. */
pum_base_width = 0;
pum_kind_width = 0;
pum_extra_width = 0;
for (i = 0; i < pum_size; ++i)
{
w = vim_strsize(pum_array[i].pum_text);
if (pum_base_width < w)
pum_base_width = w;
if (pum_array[i].pum_kind != NULL)
{
w = vim_strsize(pum_array[i].pum_kind) + 1;
if (pum_kind_width < w)
pum_kind_width = w;
}
if (pum_array[i].pum_extra != NULL)
{
w = vim_strsize(pum_array[i].pum_extra) + 1;
if (pum_extra_width < w)
pum_extra_width = w;
}
}
}
/*
* Show the popup menu with items "array[size]".
* "array" must remain valid until pum_undisplay() is called!
* When possible the leftmost character is aligned with cursor column.
* The menu appears above the screen line "row" or at "row" + "height" - 1.
*/
void
pum_display(
pumitem_T *array,
int size,
int selected) /* index of initially selected item, none if
out of range */
{
int def_width;
int max_width;
int context_lines;
int cursor_col;
int above_row;
int below_row;
int redo_count = 0;
#if defined(FEAT_QUICKFIX)
win_T *pvwin;
#endif
do
{
def_width = p_pw;
above_row = 0;
below_row = cmdline_row;
/* Pretend the pum is already there to avoid that must_redraw is set
* when 'cuc' is on. */
pum_array = (pumitem_T *)1;
validate_cursor_col();
pum_array = NULL;
// Remember the essential parts of the window position and size, so we
// can decide when to reposition the popup menu.
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_wcol = curwin->w_wcol;
pum_win_width = curwin->w_width;
#if defined(FEAT_QUICKFIX)
FOR_ALL_WINDOWS(pvwin)
if (pvwin->w_p_pvw)
break;
if (pvwin != NULL)
{
if (W_WINROW(pvwin) < W_WINROW(curwin))
above_row = W_WINROW(pvwin) + pvwin->w_height;
else if (W_WINROW(pvwin) > W_WINROW(curwin) + curwin->w_height)
below_row = W_WINROW(pvwin);
}
#endif
/*
* Figure out the size and position of the pum.
*/
if (size < PUM_DEF_HEIGHT)
pum_height = size;
else
pum_height = PUM_DEF_HEIGHT;
if (p_ph > 0 && pum_height > p_ph)
pum_height = p_ph;
/* Put the pum below "pum_win_row" if possible. If there are few lines
* decide on where there is more room. */
if (pum_win_row + 2 >= below_row - pum_height
&& pum_win_row - above_row > (below_row - above_row) / 2)
{
/* pum above "pum_win_row" */
/* Leave two lines of context if possible */
if (curwin->w_wrow - curwin->w_cline_row >= 2)
context_lines = 2;
else
context_lines = curwin->w_wrow - curwin->w_cline_row;
if (pum_win_row >= size + context_lines)
{
pum_row = pum_win_row - size - context_lines;
pum_height = size;
}
else
{
pum_row = 0;
pum_height = pum_win_row - context_lines;
}
if (p_ph > 0 && pum_height > p_ph)
{
pum_row += pum_height - p_ph;
pum_height = p_ph;
}
}
else
{
/* pum below "pum_win_row" */
/* Leave two lines of context if possible */
if (curwin->w_cline_row
+ curwin->w_cline_height - curwin->w_wrow >= 3)
context_lines = 3;
else
context_lines = curwin->w_cline_row
+ curwin->w_cline_height - curwin->w_wrow;
pum_row = pum_win_row + context_lines;
if (size > below_row - pum_row)
pum_height = below_row - pum_row;
else
pum_height = size;
if (p_ph > 0 && pum_height > p_ph)
pum_height = p_ph;
}
/* don't display when we only have room for one line */
if (pum_height < 1 || (pum_height == 1 && size > 1))
return;
#if defined(FEAT_QUICKFIX)
// If there is a preview window above avoid drawing over it.
if (pvwin != NULL && pum_row < above_row && pum_height > above_row)
{
pum_row = above_row;
pum_height = pum_win_row - above_row;
}
#endif
pum_array = array;
pum_size = size;
pum_compute_size();
max_width = pum_base_width;
/* Calculate column */
#ifdef FEAT_RIGHTLEFT
if (curwin->w_p_rl)
cursor_col = curwin->w_wincol + curwin->w_width
- curwin->w_wcol - 1;
else
#endif
cursor_col = curwin->w_wincol + curwin->w_wcol;
/* if there are more items than room we need a scrollbar */
if (pum_height < size)
{
pum_scrollbar = 1;
++max_width;
}
else
pum_scrollbar = 0;
if (def_width < max_width)
def_width = max_width;
if (((cursor_col < Columns - p_pw
|| cursor_col < Columns - max_width)
#ifdef FEAT_RIGHTLEFT
&& !curwin->w_p_rl)
|| (curwin->w_p_rl
&& (cursor_col > p_pw || cursor_col > max_width)
#endif
))
{
/* align pum with "cursor_col" */
pum_col = cursor_col;
/* start with the maximum space available */
#ifdef FEAT_RIGHTLEFT
if (curwin->w_p_rl)
pum_width = pum_col - pum_scrollbar + 1;
else
#endif
pum_width = Columns - pum_col - pum_scrollbar;
if (pum_width > max_width + pum_kind_width + pum_extra_width + 1
&& pum_width > p_pw)
{
/* the width is more than needed for the items, make it
* narrower */
pum_width = max_width + pum_kind_width + pum_extra_width + 1;
if (pum_width < p_pw)
pum_width = p_pw;
}
else if (((cursor_col > p_pw || cursor_col > max_width)
#ifdef FEAT_RIGHTLEFT
&& !curwin->w_p_rl)
|| (curwin->w_p_rl && (cursor_col < Columns - p_pw
|| cursor_col < Columns - max_width)
#endif
))
{
/* align pum edge with "cursor_col" */
#ifdef FEAT_RIGHTLEFT
if (curwin->w_p_rl
&& W_ENDCOL(curwin) < max_width + pum_scrollbar + 1)
{
pum_col = cursor_col + max_width + pum_scrollbar + 1;
if (pum_col >= Columns)
pum_col = Columns - 1;
}
else if (!curwin->w_p_rl)
#endif
{
if (curwin->w_wincol > Columns - max_width - pum_scrollbar
&& max_width <= p_pw)
{
/* use full width to end of the screen */
pum_col = Columns - max_width - pum_scrollbar;
if (pum_col < 0)
pum_col = 0;
}
}
#ifdef FEAT_RIGHTLEFT
if (curwin->w_p_rl)
pum_width = pum_col - pum_scrollbar + 1;
else
#endif
pum_width = Columns - pum_col - pum_scrollbar;
if (pum_width < p_pw)
{
pum_width = p_pw;
#ifdef FEAT_RIGHTLEFT
if (curwin->w_p_rl)
{
if (pum_width > pum_col)
pum_width = pum_col;
}
else
#endif
{
if (pum_width >= Columns - pum_col)
pum_width = Columns - pum_col - 1;
}
}
else if (pum_width > max_width + pum_kind_width
+ pum_extra_width + 1
&& pum_width > p_pw)
{
pum_width = max_width + pum_kind_width
+ pum_extra_width + 1;
if (pum_width < p_pw)
pum_width = p_pw;
}
}
}
else if (Columns < def_width)
{
/* not enough room, will use what we have */
#ifdef FEAT_RIGHTLEFT
if (curwin->w_p_rl)
pum_col = Columns - 1;
else
#endif
pum_col = 0;
pum_width = Columns - 1;
}
else
{
if (max_width > p_pw)
max_width = p_pw; /* truncate */
#ifdef FEAT_RIGHTLEFT
if (curwin->w_p_rl)
pum_col = max_width - 1;
else
#endif
pum_col = Columns - max_width;
pum_width = max_width - pum_scrollbar;
}
/* Set selected item and redraw. If the window size changed need to
* redo the positioning. Limit this to two times, when there is not
* much room the window size will keep changing. */
} while (pum_set_selected(selected, redo_count) && ++redo_count <= 2);
}
/*
* Set a flag that when pum_redraw() is called it first calls update_screen().
* This will avoid clearing and redrawing the popup menu, prevent flicker.
*/
void
pum_call_update_screen()
{
call_update_screen = TRUE;
// Update the cursor position to be able to compute the popup menu
// position. The cursor line length may have changed because of the
// inserted completion.
curwin->w_valid &= ~(VALID_CROW|VALID_CHEIGHT);
validate_cursor();
}
/*
* Return TRUE if we are going to redraw the popup menu and the screen position
* "row"/"col" is under the popup menu.
*/
int
pum_under_menu(int row, int col)
{
return pum_skip_redraw
&& row >= pum_row
&& row < pum_row + pum_height
&& col >= pum_col - 1
&& col < pum_col + pum_width;
}
/*
* Redraw the popup menu, using "pum_first" and "pum_selected".
*/
void
pum_redraw(void)
{
int row = pum_row;
int col;
int attr_norm = highlight_attr[HLF_PNI];
int attr_select = highlight_attr[HLF_PSI];
int attr_scroll = highlight_attr[HLF_PSB];
int attr_thumb = highlight_attr[HLF_PST];
int attr;
int i;
int idx;
char_u *s;
char_u *p = NULL;
int totwidth, width, w;
int thumb_pos = 0;
int thumb_height = 1;
int round;
int n;
if (call_update_screen)
{
call_update_screen = FALSE;
pum_skip_redraw = TRUE; // do not redraw in pum_may_redraw().
update_screen(0);
pum_skip_redraw = FALSE;
}
// never display more than we have
if (pum_first > pum_size - pum_height)
pum_first = pum_size - pum_height;
if (pum_scrollbar)
{
thumb_height = pum_height * pum_height / pum_size;
if (thumb_height == 0)
thumb_height = 1;
thumb_pos = (pum_first * (pum_height - thumb_height)
+ (pum_size - pum_height) / 2)
/ (pum_size - pum_height);
}
#ifdef FEAT_TEXT_PROP
// The popup menu is drawn over popup menus with zindex under
// POPUPMENU_ZINDEX.
screen_zindex = POPUPMENU_ZINDEX;
#endif
for (i = 0; i < pum_height; ++i)
{
idx = i + pum_first;
attr = (idx == pum_selected) ? attr_select : attr_norm;
/* prepend a space if there is room */
#ifdef FEAT_RIGHTLEFT
if (curwin->w_p_rl)
{
if (pum_col < curwin->w_wincol + curwin->w_width - 1)
screen_putchar(' ', row, pum_col + 1, attr);
}
else
#endif
if (pum_col > 0)
screen_putchar(' ', row, pum_col - 1, attr);
/* Display each entry, use two spaces for a Tab.
* Do this 3 times: For the main text, kind and extra info */
col = pum_col;
totwidth = 0;
for (round = 1; round <= 3; ++round)
{
width = 0;
s = NULL;
switch (round)
{
case 1: p = pum_array[idx].pum_text; break;
case 2: p = pum_array[idx].pum_kind; break;
case 3: p = pum_array[idx].pum_extra; break;
}
if (p != NULL)
for ( ; ; MB_PTR_ADV(p))
{
if (s == NULL)
s = p;
w = ptr2cells(p);
if (*p == NUL || *p == TAB || totwidth + w > pum_width)
{
/* Display the text that fits or comes before a Tab.
* First convert it to printable characters. */
char_u *st;
int saved = *p;
if (saved != NUL)
*p = NUL;
st = transstr(s);
if (saved != NUL)
*p = saved;
#ifdef FEAT_RIGHTLEFT
if (curwin->w_p_rl)
{
if (st != NULL)
{
char_u *rt = reverse_text(st);
if (rt != NULL)
{
char_u *rt_start = rt;
int size;
size = vim_strsize(rt);
if (size > pum_width)
{
do
{
size -= has_mbyte
? (*mb_ptr2cells)(rt) : 1;
MB_PTR_ADV(rt);
} while (size > pum_width);
if (size < pum_width)
{
/* Most left character requires
* 2-cells but only 1 cell is
* available on screen. Put a
* '<' on the left of the pum
* item */
*(--rt) = '<';
size++;
}
}
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
}
/*
* 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)
{
int resized = FALSE;
int context = pum_height / 2;
#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
has_info = TRUE;
// 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
)
{
# ifdef FEAT_TEXT_PROP
if (use_popup)
{
int col = pum_col + pum_width + 1;
if (Columns - col < 20 && Columns - col < pum_col)
{
col = pum_col - 1;
curwin->w_popup_pos = POPPOS_TOPRIGHT;
curwin->w_maxwidth = pum_col - 1;
}
else
curwin->w_maxwidth = Columns - col + 1;
curwin->w_maxwidth -= popup_extra_width(curwin);
popup_set_wantpos_rowcol(curwin,
pum_row + pum_selected - pum_first, col);
}
# 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;
curwin->w_cursor.lnum = 1;
curwin->w_cursor.col = 0;
if (use_popup && win_valid(curwin_save))
redraw_win_later(curwin_save, SOME_VALID);
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;
}
}
}
# ifdef FEAT_TEXT_PROP
if (WIN_IS_POPUP(curwin))
// can't keep focus in a popup window
win_enter(firstwin, TRUE);
# endif
}
#endif
}
# ifdef FEAT_TEXT_PROP
if (!has_info)
// close any popup info window
popup_close_preview(TRUE);
# 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();
#ifdef FEAT_TEXT_PROP
// close any popup info window
popup_close_preview(TRUE);
#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;
}
/*
* 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);