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popupmenu.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.
*/
/*
* popupmenu.c: Popup menu (PUM)
*/
#include "vim.h"
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;
// Some parts are not updated when a popup menu is visible. Setting this flag
// makes pum_visible() return FALSE even when there is a popup menu.
static int pum_pretend_not_visible = FALSE;
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)
{
if (pum_array[i].pum_text != NULL)
{
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
#ifdef FEAT_RIGHTLEFT
int right_left = State == MODE_CMDLINE ? FALSE : curwin->w_p_rl;
#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;
if (State == MODE_CMDLINE)
// cmdline completion popup menu
pum_win_row = cmdline_row;
else
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"
if (State == MODE_CMDLINE)
// for cmdline pum, no need for context lines
context_lines = 0;
else
{
// 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"
if (State == MODE_CMDLINE)
// for cmdline pum, no need for context lines
context_lines = 0;
else
{
// Leave two lines of context if possible
validate_cheight();
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
if (State == MODE_CMDLINE)
// cmdline completion popup menu
cursor_col = cmdline_compl_startcol();
else
{
// w_wcol includes virtual text "above"
int wcol = curwin->w_wcol % curwin->w_width;
#ifdef FEAT_RIGHTLEFT
if (right_left)
cursor_col = curwin->w_wincol + curwin->w_width - wcol - 1;
else
#endif
cursor_col = curwin->w_wincol + 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
&& !right_left)
|| (right_left && (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 (right_left)
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
&& !right_left)
|| (right_left && (cursor_col < Columns - p_pw
|| cursor_col < Columns - max_width)
#endif
))
{
// align pum edge with "cursor_col"
#ifdef FEAT_RIGHTLEFT
if (right_left
&& 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 (!right_left)
#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 (right_left)
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 (right_left)
{
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 (right_left)
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 (right_left)
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);
pum_redraw();
}
/*
* 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(void)
{
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, int only_redrawing)
{
return (!only_redrawing || pum_will_redraw)
&& row >= pum_row
&& row < pum_row + pum_height
&& col >= pum_col - 1
&& col < pum_col + pum_width + pum_scrollbar;
}
/*
* Redraw the popup menu, using "pum_first" and "pum_selected".
*/
void
pum_redraw(void)
{
int row = pum_row;
int col;
int attr_scroll = highlight_attr[HLF_PSB];
int attr_thumb = highlight_attr[HLF_PST];
int attr;
int *attrs; // array used for highlights
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;
int attrsNorm[3];
int attrsSel[3];
// "word"
attrsNorm[0] = highlight_attr[HLF_PNI];
attrsSel[0] = highlight_attr[HLF_PSI];
// "kind"
attrsNorm[1] = highlight_attr[HLF_PNK];
attrsSel[1] = highlight_attr[HLF_PSK];
// "extra text"
attrsNorm[2] = highlight_attr[HLF_PNX];
attrsSel[2] = highlight_attr[HLF_PSX];
if (call_update_screen)
{
call_update_screen = FALSE;
// Do not redraw in pum_may_redraw() and don't draw in the area where
// the popup menu will be.
pum_will_redraw = TRUE;
update_screen(0);
pum_will_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_PROP_POPUP
// 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;
attrs = (idx == pum_selected) ? attrsSel : attrsNorm;
attr = attrs[0]; // start with "word" highlight
// 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:
// 0 - main text
// 1 - kind
// 2 - extra info
col = pum_col;
totwidth = 0;
for (round = 0; round < 3; ++round)
{
attr = attrs[round];
width = 0;
s = NULL;
switch (round)
{
case 0: p = pum_array[idx].pum_text; break;
case 1: p = pum_array[idx].pum_kind; break;
case 2: 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)
{
int size = (int)STRLEN(st);
int cells = (*mb_string2cells)(st, size);
// only draw the text that fits
while (size > 0
&& col + cells > pum_width + pum_col)
{
--size;
if (has_mbyte)
{
size -= (*mb_head_off)(st, st + size);
cells -= (*mb_ptr2cells)(st + size);
}
else
--cells;
}
screen_puts_len(st, size, 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 > 0)
n = pum_kind_width + 1;
else
n = 1;
// Stop when there is nothing more to display.
if (round == 2
|| (round == 1 && pum_array[idx].pum_extra == NULL)
|| (round == 0 && 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_PROP_POPUP
screen_zindex = 0;
#endif
}
#if (defined(FEAT_PROP_POPUP) && defined(FEAT_QUICKFIX)) || defined(PROTO)
/*
* Position the info popup relative to the popup menu item.
*/
void
pum_position_info_popup(win_T *wp)
{
int col = pum_col + pum_width + pum_scrollbar + 1;
int row = pum_row;
int botpos = POPPOS_BOTLEFT;
int used_maxwidth_opt = FALSE;
wp->w_popup_pos = POPPOS_TOPLEFT;
if (Columns - col < 20 && Columns - col < pum_col)
{
col = pum_col - 1;
wp->w_popup_pos = POPPOS_TOPRIGHT;
botpos = POPPOS_BOTRIGHT;
wp->w_maxwidth = pum_col - 1;
}
else
wp->w_maxwidth = Columns - col + 1;
wp->w_maxwidth -= popup_extra_width(wp);
if (wp->w_maxwidth_opt > 0 && wp->w_maxwidth > wp->w_maxwidth_opt)
{
// option value overrules computed value
wp->w_maxwidth = wp->w_maxwidth_opt;
used_maxwidth_opt = TRUE;
}
row -= popup_top_extra(wp);
if (wp->w_popup_flags & POPF_INFO_MENU)
{
if (pum_row < pum_win_row)
{
// menu above cursor line, align with bottom
row += pum_height;
wp->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;
wp->w_popup_flags &= ~POPF_HIDDEN;
if (wp->w_maxwidth < 10 && !used_maxwidth_opt)
// The popup is not going to fit or will overlap with the cursor
// position, hide the popup.
wp->w_popup_flags |= POPF_HIDDEN;
else
popup_set_wantpos_rowcol(wp, 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
#if defined(FEAT_PROP_POPUP) && defined(FEAT_QUICKFIX)
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" or "popuphidden".
* 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_PROP_POPUP
use_popup_T use_popup;
# else
# define use_popup USEPOPUP_NONE
# endif
# ifdef FEAT_PROP_POPUP
has_info = TRUE;
if (strstr((char *)p_cot, "popuphidden") != NULL)
use_popup = USEPOPUP_HIDDEN;
else if (strstr((char *)p_cot, "popup") != NULL)
use_popup = USEPOPUP_NORMAL;
else
use_popup = USEPOPUP_NONE;
if (use_popup != USEPOPUP_NONE)
// don't use WinEnter or WinLeave autocommands for the info
// popup
block_autocmds();
# endif
// Open a preview window and set "curwin" to it.
// 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_PROP_POPUP
|| (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);
}
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_give_err((char_u *)"swf",
0L, NULL, OPT_LOCAL);
set_option_value_give_err((char_u *)"bl",
0L, NULL, OPT_LOCAL);
set_option_value_give_err((char_u *)"bt",
0L, (char_u *)"nofile", OPT_LOCAL);
set_option_value_give_err((char_u *)"bh",
0L, (char_u *)"wipe", OPT_LOCAL);
set_option_value_give_err((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);
// Increase the height of the preview window to show the
// text, but no more than 'previewheight' lines.
if (repeat == 0 && use_popup == USEPOPUP_NONE)
{
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_PROP_POPUP
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_PROP_POPUP
if (use_popup != USEPOPUP_NONE)
{
pum_position_info_popup(curwin);
if (win_valid(curwin_save))
redraw_win_later(curwin_save, UPD_SOME_VALID);
}
# endif
if ((curwin != curwin_save && win_valid(curwin_save))
|| (curtab != curtab_save
&& valid_tabpage(curtab_save)))
{
int save_redr_status;
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(UPD_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
// redrawn.
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_pretend_not_visible = TRUE;