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Display a tab bar item as sunken when appropriate

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When the mouse pointer is pressed on the tab bar, moved out of the tab
bar, and moved back in, it would be more appropriate to behave like
other programs by displaying the item as sunken.

* src/xdisp.c (note_tab_bar_highlight): Display item as sunken if the
mouse pointer returns to the tab bar down.
This commit is contained in:
Po Lu 2021-10-20 15:55:10 +08:00 • committed by Juri Linkov
parent 29fdc65860
commit 8358da9c4c
1 changed files with 7 additions and 2 deletions
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9
src/xdisp.c
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@ -13861,12 +13861,17 @@ note_tab_bar_highlight (struct frame *f, int x, int y)
bool mouse_down_p = false;
#ifndef HAVE_NS
/* Mouse is down, but on different tab-bar item? */
/* Mouse is down, but on different tab-bar item? Or alternatively,
the mouse might've been pressed somewhere we don't know about,
and then have moved onto the tab bar. In this case,
last_tab_bar_item is -1, so we DTRT and behave like other
programs by displaying the item as sunken. */
Display_Info *dpyinfo = FRAME_DISPLAY_INFO (f);
mouse_down_p = (gui_mouse_grabbed (dpyinfo)
&& f == dpyinfo->last_mouse_frame);
if (mouse_down_p && f->last_tab_bar_item != prop_idx)
if (mouse_down_p && f->last_tab_bar_item != prop_idx
&& f->last_tab_bar_item != -1)
return;
#endif
draw = mouse_down_p ? DRAW_IMAGE_SUNKEN : DRAW_IMAGE_RAISED;