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systray: avoid dwm crashing when removing the monitor where the systray is running (fix ref. #70)

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bakkeby 2020-11-06 19:46:42 +01:00
parent 558849940b
commit a947f8d667
1 changed files with 11 additions and 2 deletions
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13
dwm.c
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@ -1133,8 +1133,10 @@ cleanupmon(Monitor *mon)
XDestroyWindow(dpy, bar->win);
}
mon->bar = bar->next;
#if BAR_SYSTRAY_PATCH
if (systray && bar == systray->bar)
systray->bar = NULL;
#endif // BAR_SYSTRAY_PATCH
free(bar);
}
free(mon);
@ -1645,7 +1647,9 @@ drawbarwin(Bar *bar)
int r, w, total_drawn = 0;
int rx, lx, rw, lw; // bar size, split between left and right if a center module is added
const BarRule *br;
#if BAR_SYSTRAY_PATCH
Monitor *lastmon;
#endif // BAR_SYSTRAY_PATCH
if (bar->borderpx) {
XSetForeground(drw->dpy, drw->gc, scheme[bar->borderscheme][ColBorder].pixel);
@ -1659,7 +1663,9 @@ drawbarwin(Bar *bar)
rw = lw = bar->bw - 2 * bar->borderpx;
rx = lx = bar->borderpx;
#if BAR_SYSTRAY_PATCH
for (lastmon = mons; lastmon && lastmon->next; lastmon = lastmon->next);
#endif // BAR_SYSTRAY_PATCH
drw_setscheme(drw, scheme[SchemeNorm]);
drw_rect(drw, lx, bar->borderpx, lw, bar->bh - 2 * bar->borderpx, 1, 1);
@ -1667,8 +1673,11 @@ drawbarwin(Bar *bar)
br = &barrules[r];
if (br->bar != bar->idx || !br->widthfunc || (br->monitor == 'A' && bar->mon != selmon))
continue;
if (br->monitor != 'A' && br->monitor != -1 && br->monitor != bar->mon->index &&
(br->drawfunc != draw_systray || (lastmon->index >= br->monitor && bar->mon->index == 0))) // hack: draw systray on first monitor if the designated one is not available
if (br->monitor != 'A' && br->monitor != -1 && br->monitor != bar->mon->index
#if BAR_SYSTRAY_PATCH
&& (br->drawfunc != draw_systray || (lastmon->index >= br->monitor && bar->mon->index == 0)) // hack: draw systray on first monitor if the designated one is not available
#endif // BAR_SYSTRAY_PATCH
)
continue;
drw_setscheme(drw, scheme[SchemeNorm]);
warg.w = (br->alignment < BAR_ALIGN_RIGHT_LEFT ? lw : rw);