Fix thread-safety of set_maximized and set_title on macOS (#922)

This commit is contained in:
Aleksi Juvani 2019-06-18 09:34:27 +03:00 committed by Hal Gentz
parent 403dcc02f4
commit c35fdc8d61
2 changed files with 135 additions and 49 deletions

View file

@ -217,12 +217,19 @@ pub struct SharedState {
pub resizable: bool,
pub fullscreen: Option<RootMonitorHandle>,
pub maximized: bool,
standard_frame: Option<NSRect>,
pub standard_frame: Option<NSRect>,
is_simple_fullscreen: bool,
pub saved_style: Option<NSWindowStyleMask>,
save_presentation_opts: Option<NSApplicationPresentationOptions>,
}
impl SharedState {
pub fn saved_standard_frame(&self) -> NSRect {
self.standard_frame
.unwrap_or_else(|| NSRect::new(NSPoint::new(50.0, 50.0), NSSize::new(800.0, 600.0)))
}
}
impl From<WindowAttributes> for SharedState {
fn from(attribs: WindowAttributes) -> Self {
SharedState {
@ -378,8 +385,7 @@ impl UnownedWindow {
pub fn set_title(&self, title: &str) {
unsafe {
let title = IdRef::new(NSString::alloc(nil).init_str(title));
self.ns_window.setTitle_(*title);
util::set_title_async(*self.ns_window, title.to_string());
}
}
@ -570,13 +576,6 @@ impl UnownedWindow {
}
}
fn saved_standard_frame(shared_state: &mut SharedState) -> NSRect {
shared_state.standard_frame.unwrap_or_else(|| NSRect::new(
NSPoint::new(50.0, 50.0),
NSSize::new(800.0, 600.0),
))
}
pub(crate) fn restore_state_from_fullscreen(&self) {
let maximized = {
trace!("Locked shared state in `restore_state_from_fullscreen`");
@ -596,42 +595,17 @@ impl UnownedWindow {
#[inline]
pub fn set_maximized(&self, maximized: bool) {
let is_zoomed = self.is_zoomed();
if is_zoomed == maximized { return };
trace!("Locked shared state in `set_maximized`");
let mut shared_state_lock = self.shared_state.lock().unwrap();
// Save the standard frame sized if it is not zoomed
if !is_zoomed {
unsafe {
shared_state_lock.standard_frame = Some(NSWindow::frame(*self.ns_window));
}
}
shared_state_lock.maximized = maximized;
let curr_mask = unsafe { self.ns_window.styleMask() };
if shared_state_lock.fullscreen.is_some() {
// Handle it in window_did_exit_fullscreen
if is_zoomed == maximized {
return;
} else if curr_mask.contains(NSWindowStyleMask::NSResizableWindowMask) {
// Just use the native zoom if resizable
unsafe { self.ns_window.zoom_(nil) };
} else {
// if it's not resizable, we set the frame directly
unsafe {
let new_rect = if maximized {
let screen = NSScreen::mainScreen(nil);
NSScreen::visibleFrame(screen)
} else {
Self::saved_standard_frame(&mut *shared_state_lock)
};
// This probably isn't thread-safe!
self.ns_window.setFrame_display_(new_rect, 0);
}
};
unsafe {
util::set_maximized_async(
*self.ns_window,
is_zoomed,
maximized,
Arc::downgrade(&self.shared_state),
);
}
trace!("Unlocked shared state in `set_maximized`");
}
#[inline]
@ -847,7 +821,7 @@ impl WindowExtMacOS for UnownedWindow {
app.setPresentationOptions_(presentation_opts);
}
let frame = Self::saved_standard_frame(&mut *shared_state_lock);
let frame = shared_state_lock.saved_standard_frame();
NSWindow::setFrame_display_(*self.ns_window, frame, YES);
NSWindow::setMovable_(*self.ns_window, YES);