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Avoid clip flickering when docking an appicon

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In handleIconMove, when moving an appicon near the clip, all clips were
systematically shown each time the mouse moved, causing some flickering
(perhaps only perceptible on a low-end machine?). This patch introduces
a showed_all_clips boolean to expand clips only once.
This commit is contained in:
Daniel Déchelotte
2013-04-12 01:42:28 +02:00
committed by Carlos R. Mafra
parent dfe7e255b2
commit be95172c95
1 changed files with 7 additions and 2 deletions
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9
src/dock.c
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@@ -3429,6 +3429,7 @@ static Bool handleIconMove(WDock *dock, WAppIcon *aicon, XEvent *event)
Bool docked;
int superfluous = wPreferences.superfluous; /* we catch it to avoid problems */
int omnipresent = aicon->omnipresent; /* this must be cached!!! */
Bool showed_all_clips = False;
Bool hasMoved = False;
if (wPreferences.flags.noupdates)
@@ -3489,13 +3490,17 @@ static Bool handleIconMove(WDock *dock, WAppIcon *aicon, XEvent *event)
}
}
if (omnipresent) {
if (omnipresent && !showed_all_clips) {
int i;
for (i = 0; i < scr->workspace_count; i++) {
if (i == scr->current_workspace)
continue;
wDockShowIcons(scr->workspaces[i]->clip);
/* Note: if dock is collapsed (for instance,
because it auto-collapses), its icons
still won't show up */
}
showed_all_clips = True; /* To prevent flickering */
}
x = ev.xmotion.x_root - ofs_x;
@@ -3605,7 +3610,7 @@ static Bool handleIconMove(WDock *dock, WAppIcon *aicon, XEvent *event)
XFreePixmap(dpy, ghost);
XSetWindowBackground(dpy, scr->dock_shadow, scr->white_pixel);
}
if (omnipresent) {
if (showed_all_clips) {
int i;
for (i = 0; i < scr->workspace_count; i++) {
if (i == scr->current_workspace)