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Make 'current_monitor' return 'Option<MonitorHandle>'

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On certain platforms window couldn't be on any monitor
resulting in failures of 'current_monitor' function.

Such issue was happening on Wayland, since the window
isn't on any monitor, unless the user has drawn something into it.

Returning 'Option<MonitorHandle>' will give an ability to
handle such situations gracefully by properly indicating that
there's no current monitor.

Fixes #793.
This commit is contained in:
Kirill Chibisov 2020-09-07 20:09:24 +03:00 • committed by GitHub
parent e2cf2a5754
commit cac627ed05
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GPG key ID: 4AEE18F83AFDEB23
12 changed files with 65 additions and 29 deletions
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4
examples/window_debug.rs
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@ -70,7 +70,7 @@ fn main() {
size.width * size.height
}
let monitor = window.current_monitor();
let monitor = window.current_monitor().unwrap();
if let Some(mode) = monitor
.video_modes()
.max_by(|a, b| area(a.size()).cmp(&area(b.size())))
@ -84,7 +84,7 @@ fn main() {
if window.fullscreen().is_some() {
window.set_fullscreen(None);
} else {
let monitor = window.current_monitor();
let monitor = window.current_monitor().unwrap();
window.set_fullscreen(Some(Fullscreen::Borderless(monitor)));
}
}