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Merge pull request #736 from matclab/734-BadAtom-composited-test

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No compositor if no _NET_WM_CM_Si atom
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Nikos Tsipinakis 2020-07-12 21:12:00 +02:00 committed by GitHub
commit b040fca067
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1 changed files with 5 additions and 1 deletions
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6
src/x11/x.c
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@ -146,7 +146,11 @@ static bool x_win_composited(struct window_x11 *win)
sprintf(astr, "_NET_WM_CM_S%i", win->cur_screen);
cm_sel = XInternAtom(xctx.dpy, astr, true);
return XGetSelectionOwner(xctx.dpy, cm_sel) != None;
if (cm_sel == None) {
return false;
} else {
return XGetSelectionOwner(xctx.dpy, cm_sel) != None;
}
}
void x_display_surface(cairo_surface_t *srf, struct window_x11 *win, const struct dimensions *dim)