sravan/dwm-flexipatch
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systray: avoid dwm crashing when removing the monitor where the systray is running (hotplugging issues)

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bakkeby
2020-11-05 12:08:18 +01:00
parent 7bfcd388f6
commit f662f6e749
1 changed files with 9 additions and 3 deletions
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12
dwm.c
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@@ -1133,6 +1133,8 @@ cleanupmon(Monitor *mon)
XDestroyWindow(dpy, bar->win); XDestroyWindow(dpy, bar->win);
} }
mon->bar = bar->next; mon->bar = bar->next;
if (systray && bar == systray->bar)
systray->bar = NULL;
free(bar); free(bar);
} }
free(mon); free(mon);
@@ -1265,7 +1267,7 @@ configurenotify(XEvent *e)
sw = ev->width; sw = ev->width;
sh = ev->height; sh = ev->height;
if (updategeom() || dirty) { if (updategeom() || dirty) {
drw_resize(drw, sw, bh); drw_resize(drw, sw, sh);
updatebars(); updatebars();
for (m = mons; m; m = m->next) { for (m = mons; m; m = m->next) {
#if !FAKEFULLSCREEN_PATCH #if !FAKEFULLSCREEN_PATCH
@@ -1638,11 +1640,12 @@ drawbars(void)
void void
drawbarwin(Bar *bar) drawbarwin(Bar *bar)
{ {
if (!bar->win || bar->external) if (!bar || !bar->win || bar->external)
return; return;
int r, w, total_drawn = 0; int r, w, total_drawn = 0;
int rx, lx, rw, lw; // bar size, split between left and right if a center module is added int rx, lx, rw, lw; // bar size, split between left and right if a center module is added
const BarRule *br; const BarRule *br;
Monitor *lastmon;
if (bar->borderpx) { if (bar->borderpx) {
XSetForeground(drw->dpy, drw->gc, scheme[bar->borderscheme][ColBorder].pixel); XSetForeground(drw->dpy, drw->gc, scheme[bar->borderscheme][ColBorder].pixel);
@@ -1656,13 +1659,16 @@ drawbarwin(Bar *bar)
rw = lw = bar->bw - 2 * bar->borderpx; rw = lw = bar->bw - 2 * bar->borderpx;
rx = lx = bar->borderpx; rx = lx = bar->borderpx;
for (lastmon = mons; lastmon && lastmon->next; lastmon = lastmon->next);
drw_setscheme(drw, scheme[SchemeNorm]); drw_setscheme(drw, scheme[SchemeNorm]);
drw_rect(drw, lx, bar->borderpx, lw, bar->bh - 2 * bar->borderpx, 1, 1); drw_rect(drw, lx, bar->borderpx, lw, bar->bh - 2 * bar->borderpx, 1, 1);
for (r = 0; r < LENGTH(barrules); r++) { for (r = 0; r < LENGTH(barrules); r++) {
br = &barrules[r]; br = &barrules[r];
if (br->bar != bar->idx || !br->widthfunc || (br->monitor == 'A' && bar->mon != selmon)) if (br->bar != bar->idx || !br->widthfunc || (br->monitor == 'A' && bar->mon != selmon))
continue; continue;
if (br->monitor != 'A' && br->monitor != -1 && br->monitor != bar->mon->index) 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
continue; continue;
drw_setscheme(drw, scheme[SchemeNorm]); drw_setscheme(drw, scheme[SchemeNorm]);
warg.w = (br->alignment < BAR_ALIGN_RIGHT_LEFT ? lw : rw); warg.w = (br->alignment < BAR_ALIGN_RIGHT_LEFT ? lw : rw);