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api/ui: win_viewport event for visible range and cursor position in window

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This commit is contained in:
Björn Linse
2020-01-23 18:05:04 +01:00
parent 4139678f97
commit 1fe0b329fe
11 changed files with 305 additions and 21 deletions
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21
src/nvim/window.c
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@@ -773,6 +773,21 @@ static void ui_ext_win_position(win_T *wp)
}
void ui_ext_win_viewport(win_T *wp)
{
if ((wp == curwin || ui_has(kUIMultigrid)) && wp->w_viewport_invalid) {
int botline = wp->w_botline;
if (botline == wp->w_buffer->b_ml.ml_line_count+1
&& wp->w_empty_rows == 0) {
// TODO(bfredl): The might be more cases to consider, like how does this
// interact with incomplete final line? Diff filler lines?
botline = wp->w_buffer->b_ml.ml_line_count;
}
ui_call_win_viewport(wp->w_grid.handle, wp->handle, wp->w_topline-1,
botline, wp->w_cursor.lnum-1, wp->w_cursor.col);
wp->w_viewport_invalid = false;
}
}
static bool parse_float_anchor(String anchor, FloatAnchor *out)
{
@@ -4688,6 +4703,7 @@ static win_T *win_alloc(win_T *after, int hidden)
new_wp->w_scbind_pos = 1;
new_wp->w_floating = 0;
new_wp->w_float_config = FLOAT_CONFIG_INIT;
new_wp->w_viewport_invalid = true;
// use global option for global-local options
new_wp->w_p_so = -1;
@@ -6992,7 +7008,7 @@ void get_framelayout(const frame_T *fr, list_T *l, bool outer)
}
}
void win_ui_flush_positions(void)
void win_ui_flush(void)
{
FOR_ALL_TAB_WINDOWS(tp, wp) {
if (wp->w_pos_changed && wp->w_grid.chars != NULL) {
@@ -7003,6 +7019,9 @@ void win_ui_flush_positions(void)
}
wp->w_pos_changed = false;
}
if (tp == curtab) {
ui_ext_win_viewport(wp);
}
}
}