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neovim/src/nvim/popupmenu.c
zeertzjq 25bc41847e vim-patch:9.1.1649: attrs allocation and fuzzy growarray could leak (#35383) 
Problem:  attrs allocation and fuzzy growarray could leak on early
          returns
Solution: Ensure proper cleanup of allocated memory on exit paths
          (glepnir)

closes: vim/vim#18038

c7c10f8c11

Co-authored-by: glepnir <glephunter@gmail.com>
2025-08-19 08:45:15 +08:00

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/// @file popupmenu.c
///
/// Popup menu (PUM)
#include <assert.h>
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include "nvim/api/buffer.h"
#include "nvim/api/private/defs.h"
#include "nvim/api/private/helpers.h"
#include "nvim/ascii_defs.h"
#include "nvim/autocmd.h"
#include "nvim/buffer.h"
#include "nvim/buffer_defs.h"
#include "nvim/charset.h"
#include "nvim/cmdexpand.h"
#include "nvim/drawscreen.h"
#include "nvim/errors.h"
#include "nvim/eval/typval.h"
#include "nvim/ex_cmds.h"
#include "nvim/ex_cmds_defs.h"
#include "nvim/fuzzy.h"
#include "nvim/garray.h"
#include "nvim/garray_defs.h"
#include "nvim/getchar.h"
#include "nvim/gettext_defs.h"
#include "nvim/globals.h"
#include "nvim/grid.h"
#include "nvim/highlight.h"
#include "nvim/highlight_defs.h"
#include "nvim/insexpand.h"
#include "nvim/keycodes.h"
#include "nvim/mbyte.h"
#include "nvim/memory.h"
#include "nvim/memory_defs.h"
#include "nvim/menu.h"
#include "nvim/message.h"
#include "nvim/move.h"
#include "nvim/option.h"
#include "nvim/option_defs.h"
#include "nvim/option_vars.h"
#include "nvim/plines.h"
#include "nvim/popupmenu.h"
#include "nvim/pos_defs.h"
#include "nvim/state_defs.h"
#include "nvim/strings.h"
#include "nvim/types_defs.h"
#include "nvim/ui.h"
#include "nvim/ui_compositor.h"
#include "nvim/ui_defs.h"
#include "nvim/vim_defs.h"
#include "nvim/window.h"
#include "nvim/winfloat.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 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; // one when scrollbar present, else zero
static bool pum_rl; // true when popupmenu is drawn 'rightleft'
static int pum_anchor_grid; // grid where position is defined
static int pum_row; // top row of pum
static int pum_col; // left column of pum, right column if 'rightleft'
static int pum_win_row_offset; // The row offset needed to convert to window relative coordinates
static int pum_win_col_offset; // The column offset needed to convert to window relative coordinates
static int pum_left_col; // left column of pum, before padding or scrollbar
static int pum_right_col; // right column of pum, after padding or scrollbar
static bool pum_above; // pum is drawn above cursor line
static bool pum_is_visible = false;
static bool pum_is_drawn = false;
static bool pum_external = false;
static bool pum_invalid = false; // the screen was just cleared
#include "popupmenu.c.generated.h"
#define PUM_DEF_HEIGHT 10
static void pum_compute_size(void)
{
// Compute the width of the widest match and the widest extra.
pum_base_width = 0;
pum_kind_width = 0;
pum_extra_width = 0;
for (int i = 0; i < pum_size; i++) {
if (pum_array[i].pum_text != NULL) {
int w = vim_strsize(pum_array[i].pum_text);
if (pum_base_width < w) {
pum_base_width = w;
}
}
if (pum_array[i].pum_kind != NULL) {
int 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) {
int 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.
///
/// @param array
/// @param size
/// @param selected index of initially selected item, none if out of range
/// @param array_changed if true, array contains different items since last call
/// if false, a new item is selected, but the array
/// is the same
/// @param cmd_startcol only for cmdline mode: column of completed match
void pum_display(pumitem_T *array, int size, int selected, bool array_changed, int cmd_startcol)
{
int context_lines;
int redo_count = 0;
int pum_win_row;
int cursor_col;
if (!pum_is_visible) {
// To keep the code simple, we only allow changing the
// draw mode when the popup menu is not being displayed
pum_external = ui_has(kUIPopupmenu)
|| ((State & MODE_CMDLINE) && ui_has(kUIWildmenu));
}
pum_rl = (State & MODE_CMDLINE) == 0 && curwin->w_p_rl;
do {
// Mark the pum as visible already here,
// to avoid that must_redraw is set when 'cursorcolumn' is on.
pum_is_visible = true;
pum_is_drawn = true;
validate_cursor_col(curwin);
int above_row = 0;
int below_row = MAX(cmdline_row, curwin->w_winrow + curwin->w_view_height);
if (State & MODE_CMDLINE) {
below_row = cmdline_row;
}
win_T *target_win = (State & MODE_CMDLINE) ? cmdline_win : curwin;
pum_win_row_offset = 0;
pum_win_col_offset = 0;
// wildoptions=pum
if (State & MODE_CMDLINE) {
pum_win_row = cmdline_win ? cmdline_win->w_wrow : ui_has(kUICmdline) ? 0 : cmdline_row;
cursor_col = (cmdline_win ? cmdline_win->w_config._cmdline_offset : 0) + cmd_startcol;
cursor_col %= cmdline_win ? cmdline_win->w_view_width : Columns;
pum_anchor_grid = ui_has(kUICmdline) ? -1 : DEFAULT_GRID_HANDLE;
} else {
// anchor position: the start of the completed word
pum_win_row = curwin->w_wrow;
if (pum_rl) {
cursor_col = curwin->w_view_width - curwin->w_wcol - 1;
} else {
cursor_col = curwin->w_wcol;
}
}
if (target_win != NULL) {
// ext_popupmenu should always anchor to the default grid when multigrid is disabled
pum_anchor_grid = target_win->w_grid.target->handle;
pum_win_row += target_win->w_grid.row_offset;
cursor_col += target_win->w_grid.col_offset;
if (target_win->w_grid.target != &default_grid) {
pum_win_row += target_win->w_winrow;
cursor_col += target_win->w_wincol;
if (!ui_has(kUIMultigrid)) {
pum_anchor_grid = DEFAULT_GRID_HANDLE;
} else {
pum_win_row_offset = target_win->w_winrow;
pum_win_col_offset = target_win->w_wincol;
}
}
}
if (pum_external) {
if (array_changed) {
Arena arena = ARENA_EMPTY;
Array arr = arena_array(&arena, (size_t)size);
for (int i = 0; i < size; i++) {
Array item = arena_array(&arena, 4);
ADD_C(item, CSTR_AS_OBJ(array[i].pum_text));
ADD_C(item, CSTR_AS_OBJ(array[i].pum_kind));
ADD_C(item, CSTR_AS_OBJ(array[i].pum_extra));
ADD_C(item, CSTR_AS_OBJ(array[i].pum_info));
ADD_C(arr, ARRAY_OBJ(item));
}
ui_call_popupmenu_show(arr, selected, pum_win_row - pum_win_row_offset,
cursor_col - pum_win_col_offset,
pum_anchor_grid);
arena_mem_free(arena_finish(&arena));
} else {
ui_call_popupmenu_select(selected);
return;
}
}
int def_width = (int)p_pw;
if (p_pmw > 0 && def_width > p_pmw) {
def_width = (int)p_pmw;
}
win_T *pvwin = NULL;
FOR_ALL_WINDOWS_IN_TAB(wp, curtab) {
if (wp->w_p_pvw) {
pvwin = wp;
break;
}
}
if (pvwin != NULL) {
if (pvwin->w_winrow < curwin->w_winrow) {
above_row = pvwin->w_winrow + pvwin->w_height;
} else if (pvwin->w_winrow > curwin->w_winrow + curwin->w_height) {
below_row = pvwin->w_winrow;
}
}
int min_row = 0;
int min_col = 0;
int max_col = MAX(Columns, target_win ? (target_win->w_wincol + target_win->w_view_width) : 0);
int win_start_col = target_win ? target_win->w_wincol : 0;
int win_end_col = target_win ? W_ENDCOL(target_win) : 0;
// Figure out the size and position of the pum.
pum_height = MIN(size, PUM_DEF_HEIGHT);
if (p_ph > 0 && pum_height > p_ph) {
pum_height = (int)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"
pum_above = true;
if ((State & MODE_CMDLINE) && target_win == NULL) {
// For cmdline pum, no need for context lines unless target_win is set
context_lines = 0;
} else {
// Leave two lines of context if possible
context_lines = MIN(2, target_win->w_wrow - target_win->w_cline_row);
}
if (pum_win_row - min_row >= size + context_lines) {
pum_row = pum_win_row - size - context_lines;
pum_height = size;
} else {
pum_row = min_row;
pum_height = pum_win_row - min_row - context_lines;
}
if (p_ph > 0 && pum_height > p_ph) {
pum_row += pum_height - (int)p_ph;
pum_height = (int)p_ph;
}
} else {
// pum below "pum_win_row"
pum_above = false;
if ((State & MODE_CMDLINE) && target_win == NULL) {
// for cmdline pum, no need for context lines unless target_win is set
context_lines = 0;
} else {
// Leave three lines of context if possible
validate_cheight(target_win);
int cline_visible_offset = target_win->w_cline_row +
target_win->w_cline_height - target_win->w_wrow;
context_lines = MIN(3, cline_visible_offset);
}
pum_row = pum_win_row + context_lines;
pum_height = MIN(below_row - pum_row, size);
if (p_ph > 0 && pum_height > p_ph) {
pum_height = (int)p_ph;
}
}
// don't display when we only have room for one line
if (pum_height < 1 || (pum_height == 1 && size > 1)) {
return;
}
// 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;
}
pum_array = array;
// Set "pum_size" before returning so that pum_set_event_info() gets the correct size.
pum_size = size;
if (pum_external) {
return;
}
pum_compute_size();
int max_width = pum_base_width;
if (p_pmw > 0 && max_width > p_pmw) {
max_width = (int)p_pmw;
}
// 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 < max_col - p_pw
|| cursor_col < max_col - max_width) && !pum_rl)
|| (pum_rl && (cursor_col - min_col > p_pw
|| cursor_col - min_col > max_width))) {
// align pum with "cursor_col"
pum_col = cursor_col;
// start with the maximum space available
if (pum_rl) {
pum_width = pum_col - min_col - pum_scrollbar + 1;
} else {
assert(max_col - pum_col - pum_scrollbar >= 0);
pum_width = max_col - pum_col - pum_scrollbar;
}
int content_width = max_width + pum_kind_width + pum_extra_width + 1;
if (pum_width > content_width && pum_width > p_pw) {
// Reduce width to fit item
pum_width = MAX(content_width, (int)p_pw);
if (p_pmw > 0 && pum_width > p_pmw) {
pum_width = (int)p_pmw;
}
} else if (((cursor_col - min_col > p_pw
|| cursor_col - min_col > max_width) && !pum_rl)
|| (pum_rl && (cursor_col < max_col - p_pw
|| cursor_col < max_col - max_width))) {
// align pum edge with "cursor_col"
if (pum_rl && win_end_col < max_width + pum_scrollbar + 1) {
pum_col = cursor_col + max_width + pum_scrollbar + 1;
if (pum_col >= max_col) {
pum_col = max_col - 1;
}
} else if (!pum_rl) {
int right_edge_col = max_col - max_width - pum_scrollbar;
if (win_start_col > right_edge_col && max_width <= p_pw) {
// use full width to end of the screen
pum_col = MAX(min_col, right_edge_col);
}
}
if (pum_rl) {
pum_width = pum_col - min_col - pum_scrollbar + 1;
} else {
pum_width = max_col - pum_col - pum_scrollbar;
}
if (pum_width < p_pw) {
pum_width = (int)p_pw;
if (p_pmw > 0 && pum_width > p_pmw) {
pum_width = (int)p_pmw;
}
if (pum_rl) {
if (pum_width > pum_col - min_col) {
pum_width = pum_col - min_col;
}
} else {
if (pum_width >= max_col - pum_col) {
pum_width = max_col - pum_col - 1;
}
}
} else if (pum_width > content_width && pum_width > p_pw) {
pum_width = MAX(content_width, (int)p_pw);
if (p_pmw > 0 && pum_width > p_pmw) {
pum_width = (int)p_pmw;
}
} else if (p_pmw > 0 && pum_width > p_pmw) {
pum_width = (int)p_pmw;
}
}
} else if (max_col - min_col < def_width) {
// not enough room, will use what we have
if (pum_rl) {
pum_col = max_col - 1;
} else {
pum_col = min_col;
}
pum_width = max_col - min_col - 1;
if (p_pmw > 0 && pum_width > p_pmw) {
pum_width = (int)p_pmw;
}
} else {
if (max_width > p_pw) {
// truncate
max_width = (int)p_pw;
}
if (p_pmw > 0 && max_width > p_pmw) {
max_width = (int)p_pmw;
}
if (pum_rl) {
pum_col = min_col + max_width - 1;
} else {
pum_col = max_col - 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_grid.zindex = (State & MODE_CMDLINE) ? kZIndexCmdlinePopupMenu : kZIndexPopupMenu;
pum_redraw();
}
/// Computes attributes of text on the popup menu.
/// Returns attributes for every cell, or NULL if all attributes are the same.
static int *pum_compute_text_attrs(char *text, hlf_T hlf, int user_hlattr)
{
if (*text == NUL || (hlf != HLF_PSI && hlf != HLF_PNI)
|| (win_hl_attr(curwin, HLF_PMSI) == win_hl_attr(curwin, HLF_PSI)
&& win_hl_attr(curwin, HLF_PMNI) == win_hl_attr(curwin, HLF_PNI))) {
return NULL;
}
char *leader = (State & MODE_CMDLINE) ? cmdline_compl_pattern()
: ins_compl_leader();
if (leader == NULL || *leader == NUL) {
return NULL;
}
int *attrs = xmalloc(sizeof(int) * (size_t)vim_strsize(text));
bool in_fuzzy = (State & MODE_CMDLINE) ? cmdline_compl_is_fuzzy()
: (get_cot_flags() & kOptCotFlagFuzzy) != 0;
size_t leader_len = strlen(leader);
garray_T *ga = NULL;
int matched_len = -1;
if (in_fuzzy) {
ga = fuzzy_match_str_with_pos(text, leader);
if (!ga) {
xfree(attrs);
return NULL;
}
}
const char *ptr = text;
int cell_idx = 0;
uint32_t char_pos = 0;
bool is_select = hlf == HLF_PSI;
while (*ptr != NUL) {
int new_attr = win_hl_attr(curwin, (int)hlf);
if (ga != NULL) {
// Handle fuzzy matching
for (int i = 0; i < ga->ga_len; i++) {
if (char_pos == ((uint32_t *)ga->ga_data)[i]) {
new_attr = win_hl_attr(curwin, is_select ? HLF_PMSI : HLF_PMNI);
new_attr = hl_combine_attr(win_hl_attr(curwin, HLF_PMNI), new_attr);
new_attr = hl_combine_attr(win_hl_attr(curwin, (int)hlf), new_attr);
break;
}
}
} else {
if (matched_len < 0 && mb_strnicmp(ptr, leader, leader_len) == 0) {
matched_len = (int)leader_len;
}
if (matched_len > 0) {
new_attr = win_hl_attr(curwin, is_select ? HLF_PMSI : HLF_PMNI);
new_attr = hl_combine_attr(win_hl_attr(curwin, HLF_PMNI), new_attr);
new_attr = hl_combine_attr(win_hl_attr(curwin, (int)hlf), new_attr);
matched_len--;
}
}
new_attr = hl_combine_attr(win_hl_attr(curwin, HLF_PNI), new_attr);
if (user_hlattr > 0) {
new_attr = hl_combine_attr(new_attr, user_hlattr);
}
int char_cells = utf_ptr2cells(ptr);
for (int i = 0; i < char_cells; i++) {
attrs[cell_idx + i] = new_attr;
}
cell_idx += char_cells;
MB_PTR_ADV(ptr);
char_pos++;
}
if (ga != NULL) {
ga_clear(ga);
xfree(ga);
}
return attrs;
}
/// Displays text on the popup menu with specific attributes.
static void pum_grid_puts_with_attrs(int col, int cells, const char *text, int textlen,
const int *attrs)
{
const int col_start = col;
const char *ptr = text;
// Render text with proper attributes
while (*ptr != NUL && (textlen < 0 || ptr < text + textlen)) {
int char_len = utfc_ptr2len(ptr);
int attr = attrs[pum_rl ? (col_start + cells - col - 1) : (col - col_start)];
grid_line_puts(col, ptr, char_len, attr);
col += utf_ptr2cells(ptr);
ptr += char_len;
}
}
static inline void pum_align_order(int *order)
{
bool is_default = cia_flags == 0;
order[0] = is_default ? CPT_ABBR : cia_flags / 100;
order[1] = is_default ? CPT_KIND : (cia_flags / 10) % 10;
order[2] = is_default ? CPT_MENU : cia_flags % 10;
}
static inline char *pum_get_item(int index, int type)
{
switch (type) {
case CPT_ABBR:
return pum_array[index].pum_text;
case CPT_KIND:
return pum_array[index].pum_kind;
case CPT_MENU:
return pum_array[index].pum_extra;
}
return NULL;
}
static inline int pum_user_attr_combine(int idx, int type, int attr)
{
int user_attr[] = {
pum_array[idx].pum_user_abbr_hlattr,
pum_array[idx].pum_user_kind_hlattr,
};
return user_attr[type] > 0 ? hl_combine_attr(attr, user_attr[type]) : attr;
}
/// Redraw the popup menu, using "pum_first" and "pum_selected".
void pum_redraw(void)
{
int row = 0;
int attr_scroll = win_hl_attr(curwin, HLF_PSB);
int attr_thumb = win_hl_attr(curwin, HLF_PST);
char *p = NULL;
int thumb_pos = 0;
int thumb_height = 1;
int n;
const schar_T fcs_trunc = pum_rl ? curwin->w_p_fcs_chars.truncrl
: curwin->w_p_fcs_chars.trunc;
// "word" "kind" "extra text"
const hlf_T hlfsNorm[3] = { HLF_PNI, HLF_PNK, HLF_PNX };
const hlf_T hlfsSel[3] = { HLF_PSI, HLF_PSK, HLF_PSX };
int grid_width = pum_width;
int col_off = 0;
bool extra_space = false;
if (pum_rl) {
col_off = pum_width - 1;
assert(!(State & MODE_CMDLINE));
int win_end_col = W_ENDCOL(curwin);
if (pum_col < win_end_col - 1) {
grid_width += 1;
extra_space = true;
}
} else {
int min_col = 0;
if (pum_col > min_col) {
grid_width += 1;
col_off = 1;
extra_space = true;
}
}
if (pum_scrollbar > 0) {
grid_width++;
if (pum_rl) {
col_off++;
}
}
grid_assign_handle(&pum_grid);
pum_left_col = pum_col - col_off;
pum_right_col = pum_left_col + grid_width;
bool moved = ui_comp_put_grid(&pum_grid, pum_row, pum_left_col,
pum_height, grid_width, false, true);
bool invalid_grid = moved || pum_invalid;
pum_invalid = false;
must_redraw_pum = false;
if (!pum_grid.chars || pum_grid.rows != pum_height || pum_grid.cols != grid_width) {
grid_alloc(&pum_grid, pum_height, grid_width, !invalid_grid, false);
ui_call_grid_resize(pum_grid.handle, pum_grid.cols, pum_grid.rows);
} else if (invalid_grid) {
grid_invalidate(&pum_grid);
}
if (ui_has(kUIMultigrid)) {
const char *anchor = pum_above ? "SW" : "NW";
int row_off = pum_above ? -pum_height : 0;
ui_call_win_float_pos(pum_grid.handle, -1, cstr_as_string(anchor), pum_anchor_grid,
pum_row - row_off - pum_win_row_offset, pum_left_col - pum_win_col_offset,
false, pum_grid.zindex, (int)pum_grid.comp_index, pum_grid.comp_row,
pum_grid.comp_col);
}
int scroll_range = pum_size - pum_height;
// Never display more than we have
pum_first = MIN(pum_first, scroll_range);
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) + scroll_range / 2) / scroll_range;
}
for (int i = 0; i < pum_height; i++) {
int idx = i + pum_first;
const bool selected = idx == pum_selected;
const hlf_T *const hlfs = selected ? hlfsSel : hlfsNorm;
const int trunc_attr = win_hl_attr(curwin, selected ? HLF_PSI : HLF_PNI);
hlf_T hlf = hlfs[0]; // start with "word" highlight
int attr = win_hl_attr(curwin, (int)hlf);
attr = hl_combine_attr(win_hl_attr(curwin, HLF_PNI), attr);
screengrid_line_start(&pum_grid, row, 0);
// prepend a space if there is room
if (extra_space) {
if (pum_rl) {
grid_line_puts(col_off + 1, " ", 1, attr);
} else {
grid_line_puts(col_off - 1, " ", 1, attr);
}
}
// Display each entry, use two spaces for a Tab.
// Do this 3 times and order from p_cia
int grid_col = col_off;
int totwidth = 0;
bool need_fcs_trunc = false;
int order[3];
int items_width_array[3] = { pum_base_width, pum_kind_width, pum_extra_width };
pum_align_order(order);
int basic_width = items_width_array[order[0]]; // first item width
bool last_isabbr = order[2] == CPT_ABBR;
int orig_attr = -1;
for (int j = 0; j < 3; j++) {
int item_type = order[j];
hlf = hlfs[item_type];
attr = win_hl_attr(curwin, (int)hlf);
attr = hl_combine_attr(win_hl_attr(curwin, HLF_PNI), attr);
orig_attr = attr;
if (item_type < 2) { // try combine attr with user custom
attr = pum_user_attr_combine(idx, item_type, attr);
}
int width = 0;
char *s = NULL;
p = pum_get_item(idx, item_type);
const bool next_isempty = j + 1 < 3 && pum_get_item(idx, order[j + 1]) == NULL;
if (p != NULL) {
for (;; MB_PTR_ADV(p)) {
if (s == NULL) {
s = p;
}
int w = ptr2cells(p);
if (*p != NUL && *p != TAB && totwidth + w <= pum_width) {
width += w;
continue;
}
// Display the text that fits or comes before a Tab.
// First convert it to printable characters.
char saved = *p;
if (saved != NUL) {
*p = NUL;
}
char *st = transstr(s, true);
if (saved != NUL) {
*p = saved;
}
int *attrs = NULL;
if (item_type == CPT_ABBR) {
attrs = pum_compute_text_attrs(st, hlf,
pum_array[idx].pum_user_abbr_hlattr);
}
if (pum_rl) {
char *rt = reverse_text(st);
char *rt_start = rt;
int cells = (int)mb_string2cells(rt);
int pad = next_isempty ? 0 : 2;
if (pum_width == p_pmw && pum_width - totwidth < cells + pad) {
need_fcs_trunc = true;
}
// only draw the text that fits
if (grid_col - cells < col_off - pum_width) {
do {
cells -= utf_ptr2cells(rt);
MB_PTR_ADV(rt);
} while (grid_col - cells < col_off - pum_width);
if (grid_col - cells > col_off - 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) = '<';
cells++;
}
}
if (attrs == NULL) {
grid_line_puts(grid_col - cells + 1, rt, -1, attr);
} else {
pum_grid_puts_with_attrs(grid_col - cells + 1, cells, rt, -1, attrs);
}
xfree(rt_start);
xfree(st);
grid_col -= width;
} else {
int cells = (int)mb_string2cells(st);
int pad = next_isempty ? 0 : 2;
if (pum_width == p_pmw && pum_width - totwidth < cells + pad) {
need_fcs_trunc = true;
}
if (attrs == NULL) {
grid_line_puts(grid_col, st, -1, attr);
} else {
pum_grid_puts_with_attrs(grid_col, cells, st, -1, attrs);
}
xfree(st);
grid_col += width;
}
if (attrs != NULL) {
XFREE_CLEAR(attrs);
}
if (*p != TAB) {
break;
}
// Display two spaces for a Tab.
if (pum_rl) {
grid_line_puts(grid_col - 1, " ", 2, attr);
grid_col -= 2;
} else {
grid_line_puts(grid_col, " ", 2, attr);
grid_col += 2;
}
totwidth += 2;
s = NULL; // start text at next char
width = 0;
}
}
if (j > 0) {
n = items_width_array[order[1]] + (last_isabbr ? 0 : 1);
} else {
n = order[j] == CPT_ABBR ? 1 : 0;
}
// Stop when there is nothing more to display.
if ((j == 2)
|| (next_isempty && (j == 1 || (j == 0 && pum_get_item(idx, order[j + 2]) == NULL)))
|| (basic_width + n >= pum_width)) {
break;
}
if (pum_rl) {
grid_line_fill(col_off - basic_width - n + 1, grid_col + 1,
schar_from_ascii(' '), orig_attr);
grid_col = col_off - basic_width - n;
} else {
grid_line_fill(grid_col, col_off + basic_width + n,
schar_from_ascii(' '), orig_attr);
grid_col = col_off + basic_width + n;
}
totwidth = basic_width + n;
}
if (pum_rl) {
const int lcol = col_off - pum_width + 1;
grid_line_fill(lcol, grid_col + 1, schar_from_ascii(' '), orig_attr);
if (need_fcs_trunc) {
linebuf_char[lcol] = fcs_trunc != NUL ? fcs_trunc : schar_from_ascii('<');
linebuf_attr[lcol] = trunc_attr;
if (pum_width > 1 && linebuf_char[lcol + 1] == NUL) {
linebuf_char[lcol + 1] = schar_from_ascii(' ');
}
}
} else {
const int rcol = col_off + pum_width;
grid_line_fill(grid_col, rcol, schar_from_ascii(' '), orig_attr);
if (need_fcs_trunc) {
if (pum_width > 1 && linebuf_char[rcol - 1] == NUL) {
linebuf_char[rcol - 2] = schar_from_ascii(' ');
}
linebuf_char[rcol - 1] = fcs_trunc != NUL ? fcs_trunc : schar_from_ascii('>');
linebuf_attr[rcol - 1] = trunc_attr;
}
}
if (pum_scrollbar > 0) {
if (pum_rl) {
grid_line_puts(col_off - pum_width, " ", 1,
i >= thumb_pos && i < thumb_pos + thumb_height ? attr_thumb : attr_scroll);
} else {
grid_line_puts(col_off + pum_width, " ", 1,
i >= thumb_pos && i < thumb_pos + thumb_height ? attr_thumb : attr_scroll);
}
}
grid_line_flush();
row++;
}
}
/// Set the informational text in the preview buffer when the completion
/// item does not include a dedicated preview or popup window.
///
/// @param[in] buf Buffer where the text will be set.
/// @param[in] info Informational text to display in the preview buffer.
/// @param[in] lnum Where to start the text. Incremented for each added line.
/// @param[out] max_width Maximum width of the displayed text.
static void pum_preview_set_text(buf_T *buf, char *info, linenr_T *lnum, int *max_width)
{
Error err = ERROR_INIT;
Arena arena = ARENA_EMPTY;
Array replacement = ARRAY_DICT_INIT;
buf->b_p_ma = true;
// Iterate through the string line by line by temporarily replacing newlines with NUL
for (char *curr = info, *next; curr; curr = next ? next + 1 : NULL) {
if ((next = strchr(curr, '\n'))) {
*next = NUL; // Temporarily replace the newline with a string terminator
}
// Only skip if this is an empty line AND it's the last line
if (*curr == '\0' && !next) {
break;
}
*max_width = MAX(*max_width, (int)mb_string2cells(curr));
ADD(replacement, STRING_OBJ(cstr_to_string(curr)));
(*lnum)++;
if (next) {
*next = '\n';
}
}
int original_textlock = textlock;
if (textlock > 0) {
textlock = 0;
}
nvim_buf_set_lines(0, buf->handle, 0, -1, false, replacement, &arena, &err);
textlock = original_textlock;
if (ERROR_SET(&err)) {
emsg(err.msg);
api_clear_error(&err);
}
arena_mem_free(arena_finish(&arena));
api_free_array(replacement);
buf->b_p_ma = false;
}
/// adjust floating info preview window position
static void pum_adjust_info_position(win_T *wp, int width)
{
int col = pum_col + pum_width + pum_scrollbar + 1;
// TODO(glepnir): support config align border by using completepopup
// align menu
int right_extra = Columns - col;
int left_extra = pum_col - 2;
if (right_extra > width) { // place in right
wp->w_config.width = width;
wp->w_config.col = col - 1;
} else if (left_extra > width) { // place in left
wp->w_config.width = width;
wp->w_config.col = pum_col - wp->w_config.width - 1;
} else { // either width is enough just use the biggest one.
const bool place_in_right = right_extra > left_extra;
wp->w_config.width = place_in_right ? right_extra : left_extra;
wp->w_config.col = place_in_right ? col - 1 : pum_col - wp->w_config.width - 1;
}
// when pum_above is SW otherwise is NW
wp->w_config.anchor = pum_above ? kFloatAnchorSouth : 0;
linenr_T count = wp->w_buffer->b_ml.ml_line_count;
wp->w_view_width = wp->w_config.width;
wp->w_config.height = plines_m_win(wp, wp->w_topline, count, Rows);
wp->w_config.row = pum_above ? pum_row + wp->w_config.height : pum_row;
wp->w_config.hide = false;
win_config_float(wp, wp->w_config);
}
/// Used for nvim__complete_set
///
/// @param selected the selected compl item.
/// @param info Info string.
/// @return a win_T pointer.
win_T *pum_set_info(int selected, char *info)
{
if (!pum_is_visible || !compl_match_curr_select(selected)) {
return NULL;
}
block_autocmds();
RedrawingDisabled++;
no_u_sync++;
win_T *wp = win_float_find_preview();
if (wp == NULL) {
wp = win_float_create(false, true);
if (!wp) {
return NULL;
}
wp->w_topline = 1;
wp->w_p_wfb = true;
}
linenr_T lnum = 0;
int max_info_width = 0;
pum_preview_set_text(wp->w_buffer, info, &lnum, &max_info_width);
no_u_sync--;
RedrawingDisabled--;
redraw_later(wp, UPD_NOT_VALID);
pum_adjust_info_position(wp, max_info_width);
unblock_autocmds();
return wp;
}
/// 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
///
/// @param n
/// @param repeat
///
/// @returns true when the window was resized and the location of the popup
/// menu must be recomputed.
static bool pum_set_selected(int n, int repeat)
{
bool resized = false;
int context = pum_height / 2;
int prev_selected = pum_selected;
pum_selected = n;
int scroll_offset = pum_selected - pum_height;
unsigned cur_cot_flags = get_cot_flags();
bool use_float = (cur_cot_flags & kOptCotFlagPopup) != 0;
// Close the floating preview window if 'selected' is -1, indicating a return to the original
// state. It is also closed when the selected item has no corresponding info item.
if (use_float && (pum_selected < 0 || pum_array[pum_selected].pum_info == NULL)) {
win_T *wp = win_float_find_preview();
if (wp) {
wp->w_config.hide = true;
win_config_float(wp, wp->w_config);
}
}
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 < scroll_offset + 5) {
// scroll up; when we did a jump it's probably a PageDown then
// scroll a whole page
if (pum_first < scroll_offset + 3) {
pum_first = MAX(pum_first + pum_height - 2, scroll_offset + 1);
} else {
pum_first = scroll_offset + 1;
}
}
// Give a few lines of context when possible.
context = MIN(context, 3);
if (pum_height > 2) {
if (pum_first > pum_selected - context) {
pum_first = MAX(pum_selected - context, 0); // scroll down
} else if (pum_first < pum_selected + context - pum_height + 1) {
pum_first = pum_selected + context - pum_height + 1; // up
}
}
// adjust for the number of lines displayed
pum_first = MIN(pum_first, pum_size - pum_height);
// Show extra info in the preview window if there is something and
// 'completeopt' contains "preview".
// Skip this when tried twice already.
// Skip this also when there is not much room.
// Skip this for command-window when 'completeopt' contains "preview".
// NOTE: Be very careful not to sync undo!
if ((pum_array[pum_selected].pum_info != NULL)
&& (Rows > 10)
&& (repeat <= 1)
&& (cur_cot_flags & (kOptCotFlagPreview | kOptCotFlagPopup))
&& !((cur_cot_flags & kOptCotFlagPreview) && cmdwin_type != 0)) {
win_T *curwin_save = curwin;
tabpage_T *curtab_save = curtab;
if (use_float) {
block_autocmds();
}
// 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 = (int)p_pvh;
}
RedrawingDisabled++;
// Prevent undo sync here, if an autocommand syncs undo weird
// things can happen to the undo tree.
no_u_sync++;
if (!use_float) {
resized = prepare_tagpreview(false);
} else {
win_T *wp = win_float_find_preview();
if (wp) {
win_enter(wp, false);
} else {
wp = win_float_create(true, true);
if (wp) {
resized = true;
}
}
}
no_u_sync--;
RedrawingDisabled--;
g_do_tagpreview = 0;
if (curwin->w_p_pvw || curwin->w_float_is_info) {
int res = OK;
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.
buf_clear();
} 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(kOptSwapfile, BOOLEAN_OPTVAL(false), OPT_LOCAL);
set_option_value_give_err(kOptBuflisted, BOOLEAN_OPTVAL(false), OPT_LOCAL);
set_option_value_give_err(kOptBuftype, STATIC_CSTR_AS_OPTVAL("nofile"), OPT_LOCAL);
set_option_value_give_err(kOptBufhidden, STATIC_CSTR_AS_OPTVAL("wipe"), OPT_LOCAL);
set_option_value_give_err(kOptDiff, BOOLEAN_OPTVAL(false), OPT_LOCAL);
}
}
if (res == OK) {
linenr_T lnum = 0;
int max_info_width = 0;
pum_preview_set_text(curbuf, pum_array[pum_selected].pum_info, &lnum, &max_info_width);
// Increase the height of the preview window to show the
// text, but no more than 'previewheight' lines.
if (repeat == 0 && !use_float) {
lnum = MIN(lnum, (linenr_T)p_pvh);
if (curwin->w_height < lnum) {
win_setheight((int)lnum);
resized = true;
}
}
curbuf->b_changed = false;
curbuf->b_p_ma = false;
if (pum_selected != prev_selected) {
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 = 1;
curwin->w_cursor.col = 0;
if (use_float) {
// adjust floating window by actually height and max info text width
pum_adjust_info_position(curwin, max_info_width);
}
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(curwin);
redraw_later(curwin, 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(curwin);
}
// Update the screen before drawing the popup menu.
// Enable updating the status lines.
// TODO(bfredl): can simplify, get rid of the flag munging?
// or at least eliminate extra redraw before win_enter()?
pum_is_visible = false;
update_screen();
pum_is_visible = true;
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_is_visible = false;
update_screen();
pum_is_visible = true;
}
}
}
if (use_float) {
unblock_autocmds();
}
}
}
return resized;
}
/// Undisplay the popup menu (later).
void pum_undisplay(bool immediate)
{
pum_is_visible = false;
pum_array = NULL;
must_redraw_pum = false;
if (immediate) {
pum_check_clear();
}
}
void pum_check_clear(void)
{
if (!pum_is_visible && pum_is_drawn) {
if (pum_external) {
ui_call_popupmenu_hide();
} else {
ui_comp_remove_grid(&pum_grid);
if (ui_has(kUIMultigrid)) {
ui_call_win_close(pum_grid.handle);
ui_call_grid_destroy(pum_grid.handle);
}
// TODO(bfredl): consider keeping float grids allocated.
grid_free(&pum_grid);
}
pum_is_drawn = false;
pum_external = false;
win_T *wp = win_float_find_preview();
if (wp != NULL) {
win_close(wp, false, false);
}
}
}
/// 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.
bool pum_visible(void)
{
return pum_is_visible;
}
/// @return true if the popup menu is displayed and drawn on the grid.
bool pum_drawn(void)
{
return pum_visible() && !pum_external;
}
/// Screen was cleared, need to redraw next time
void pum_invalidate(void)
{
pum_invalid = true;
}
void pum_recompose(void)
{
ui_comp_compose_grid(&pum_grid);
}
void pum_ext_select_item(int item, bool insert, bool finish)
{
if (!pum_visible() || item < -1 || item >= pum_size) {
return;
}
pum_want.active = true;
pum_want.item = item;
pum_want.insert = insert;
pum_want.finish = finish;
}
/// Gets the height of the menu.
///
/// @return the height of the popup menu, the number of entries visible.
/// Only valid when pum_visible() returns true!
int pum_get_height(void)
{
if (pum_external) {
int ui_pum_height = ui_pum_get_height();
if (ui_pum_height) {
return ui_pum_height;
}
}
return pum_height;
}
/// Add size information about the pum to "dict".
void pum_set_event_info(dict_T *dict)
{
if (!pum_visible()) {
return;
}
double w, h, r, c;
if (!ui_pum_get_pos(&w, &h, &r, &c)) {
w = (double)pum_width;
h = (double)pum_height;
r = (double)pum_row;
c = (double)pum_col;
}
tv_dict_add_float(dict, S_LEN("height"), h);
tv_dict_add_float(dict, S_LEN("width"), w);
tv_dict_add_float(dict, S_LEN("row"), r);
tv_dict_add_float(dict, S_LEN("col"), c);
tv_dict_add_nr(dict, S_LEN("size"), pum_size);
tv_dict_add_bool(dict, S_LEN("scrollbar"),
pum_scrollbar ? kBoolVarTrue : kBoolVarFalse);
}
static void pum_position_at_mouse(int min_width)
{
int min_row = 0;
int min_col = 0;
int max_row = Rows;
int max_col = Columns;
int grid = mouse_grid;
int row = mouse_row;
int col = mouse_col;
pum_win_row_offset = 0;
pum_win_col_offset = 0;
if (grid > 1) {
win_T *wp = get_win_by_grid_handle(grid);
if (wp != NULL) {
row += wp->w_winrow;
col += wp->w_wincol;
pum_win_row_offset = wp->w_winrow;
pum_win_col_offset = wp->w_wincol;
if (wp->w_view_height > 0 || wp->w_view_width > 0) {
// When the user has requested a different grid size, let the popupmenu extend to the size
// of it.
max_row = MAX(Rows - wp->w_winrow, wp->w_winrow + wp->w_view_height);
max_col = MAX(Columns - wp->w_wincol, wp->w_wincol + wp->w_view_width);
}
}
}
if (pum_grid.handle != 0 && grid == pum_grid.handle) {
// Repositioning the menu by right-clicking on itself
row += pum_row;
col += pum_left_col;
} else {
pum_anchor_grid = grid;
}
if (max_row - row > pum_size || max_row - row > row - min_row) {
// Enough space below the mouse row,
// or there is more space below the mouse row than above.
pum_above = false;
pum_row = row + 1;
if (pum_height > max_row - pum_row) {
pum_height = max_row - pum_row;
}
} else {
// Show above the mouse row, reduce height if it does not fit.
pum_above = true;
pum_row = row - pum_size;
if (pum_row < min_row) {
pum_height += pum_row - min_row;
pum_row = min_row;
}
}
if (pum_rl) {
if (col - min_col + 1 >= pum_base_width
|| col - min_col + 1 > min_width) {
// Enough space to show at mouse column.
pum_col = col;
} else {
// Not enough space, left align with window.
pum_col = min_col + MIN(pum_base_width, min_width) - 1;
}
pum_width = pum_col - min_col + 1;
} else {
if (max_col - col >= pum_base_width
|| max_col - col > min_width) {
// Enough space to show at mouse column.
pum_col = col;
} else {
// Not enough space, right align with window.
pum_col = max_col - MIN(pum_base_width, min_width);
}
pum_width = max_col - pum_col;
}
pum_width = MIN(pum_width, pum_base_width + 1);
}
/// Select the pum entry at the mouse position.
static void pum_select_mouse_pos(void)
{
if (mouse_grid == pum_grid.handle) {
pum_selected = mouse_row;
return;
} else if (mouse_grid != pum_anchor_grid
|| mouse_col < pum_left_col - pum_win_col_offset
|| mouse_col >= pum_right_col - pum_win_col_offset) {
pum_selected = -1;
return;
}
int idx = mouse_row - (pum_row - pum_win_row_offset);
if (idx < 0 || idx >= pum_height) {
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)
{
int idx = 0;
exarg_T ea;
for (vimmenu_T *mp = menu->children; mp != NULL; mp = mp->next) {
if ((mp->modes & mp->enabled & mode) && idx++ == pum_selected) {
CLEAR_FIELD(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)
{
pum_undisplay(true);
pum_size = 0;
int mode = get_menu_mode_flag();
for (vimmenu_T *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_menu_only_exists_in_another_mode));
return;
}
int idx = 0;
pumitem_T *array = (pumitem_T *)xcalloc((size_t)pum_size, sizeof(pumitem_T));
for (vimmenu_T *mp = menu->children; mp != NULL; mp = mp->next) {
char *s = NULL;
// Make a copy of the text, the menu may be redefined in a callback.
if (menu_is_separator(mp->dname)) {
s = "";
} else if (mp->modes & mp->enabled & mode) {
s = mp->dname;
}
if (s != NULL) {
s = xstrdup(s);
array[idx++].pum_text = s;
}
}
pum_array = array;
pum_compute_size();
pum_scrollbar = 0;
pum_height = pum_size;
pum_rl = curwin->w_p_rl;
pum_position_at_mouse(20);
pum_selected = -1;
pum_first = 0;
if (!p_mousemev) {
// Pretend 'mousemoveevent' is set.
ui_call_option_set(STATIC_CSTR_AS_STRING("mousemoveevent"), BOOLEAN_OBJ(true));
}
while (true) {
pum_is_visible = true;
pum_is_drawn = true;
pum_grid.zindex = kZIndexCmdlinePopupMenu; // show above cmdline area #23275
pum_redraw();
setcursor_mayforce(curwin, true);
int c = vgetc();
// Bail out when typing Esc, CTRL-C or some callback or <expr> mapping
// 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;
}
}
}
for (idx = 0; idx < pum_size; idx++) {
xfree(array[idx].pum_text);
}
xfree(array);
pum_undisplay(true);
if (!p_mousemev) {
ui_call_option_set(STATIC_CSTR_AS_STRING("mousemoveevent"), BOOLEAN_OBJ(false));
}
}
void pum_make_popup(const char *path_name, int use_mouse_pos)
{
if (!use_mouse_pos) {
// Hack: set mouse position at the cursor so that the menu pops up
// around there.
mouse_row = curwin->w_grid.row_offset + curwin->w_wrow;
mouse_col = curwin->w_grid.col_offset
+ (curwin->w_p_rl ? curwin->w_view_width - curwin->w_wcol - 1
: curwin->w_wcol);
if (ui_has(kUIMultigrid)) {
mouse_grid = curwin->w_grid.target->handle;
} else if (curwin->w_grid.target != &default_grid) {
mouse_grid = 0;
mouse_row += curwin->w_winrow;
mouse_col += curwin->w_wincol;
}
}
vimmenu_T *menu = menu_find(path_name);
if (menu != NULL) {
pum_show_popupmenu(menu);
}
}
void pum_ui_flush(void)
{
if (ui_has(kUIMultigrid) && pum_is_drawn && !pum_external && pum_grid.handle != 0
&& pum_grid.pending_comp_index_update) {
const char *anchor = pum_above ? "SW" : "NW";
int row_off = pum_above ? -pum_height : 0;
ui_call_win_float_pos(pum_grid.handle, -1, cstr_as_string(anchor), pum_anchor_grid,
pum_row - row_off - pum_win_row_offset, pum_left_col - pum_win_col_offset,
false, pum_grid.zindex, (int)pum_grid.comp_index, pum_grid.comp_row,
pum_grid.comp_col);
pum_grid.pending_comp_index_update = false;
}
}
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