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X11: Fix panic when no monitors are available (#1158)

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* X11: Fix panic when no monitors are available

* Set dummy monitor's dimensions to `(1, 1)`

* X11: Avoid panicking when there are no monitors in Window::new
This commit is contained in:
Murarth 2019-09-23 11:45:29 -07:00 • committed by Osspial
parent c0a7900341
commit 472eddcc1b
4 changed files with 38 additions and 11 deletions
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6
src/platform_impl/linux/x11/event_processor.rs
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@ -389,7 +389,11 @@ impl<T: 'static> EventProcessor<T> {
let window_rect = util::AaRect::new(new_outer_position, new_inner_size);
monitor = wt.xconn.get_monitor_for_window(Some(window_rect));
let new_hidpi_factor = monitor.hidpi_factor;
shared_state_lock.last_monitor = Some(monitor.clone());
// Avoid caching an invalid dummy monitor handle
if monitor.id != 0 {
shared_state_lock.last_monitor = Some(monitor.clone());
}
new_hidpi_factor
};
if last_hidpi_factor != new_hidpi_factor {