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Use an "always active" tracking area to detect mouseMoved events

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This ensures that we can still receive mouse moved events (e.g. for
setting the cursor style) for panels that float above other windows
even if the application isn't active.
This commit is contained in:
Antonio Scandurra 2022-09-15 15:44:54 +02:00
parent 147268157c
commit 462e5852c2
1 changed files with 21 additions and 9 deletions
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30
crates/gpui/src/platform/mac/window.rs
View file

@ -57,11 +57,21 @@ static mut WINDOW_CLASS: *const Class = ptr::null();
static mut PANEL_CLASS: *const Class = ptr::null();
static mut VIEW_CLASS: *const Class = ptr::null();
#[allow(non_upper_case_globals)]
const NSWindowStyleMaskNonactivatingPanel: NSWindowStyleMask =
unsafe { NSWindowStyleMask::from_bits_unchecked(1 << 7) };
#[allow(non_upper_case_globals)]
const NSNormalWindowLevel: NSInteger = 0;
#[allow(non_upper_case_globals)]
const NSPopUpWindowLevel: NSInteger = 101;
#[allow(non_upper_case_globals)]
const NSTrackingMouseMoved: NSUInteger = 0x02;
#[allow(non_upper_case_globals)]
const NSTrackingActiveAlways: NSUInteger = 0x80;
#[allow(non_upper_case_globals)]
const NSTrackingInVisibleRect: NSUInteger = 0x200;
#[allow(non_upper_case_globals)]
const NSWindowAnimationBehaviorUtilityWindow: NSInteger = 4;
#[repr(C)]
#[derive(Copy, Clone, Debug)]
@ -362,10 +372,6 @@ impl Window {
let native_window: id = match options.kind {
WindowKind::Normal => msg_send![WINDOW_CLASS, alloc],
WindowKind::PopUp => {
#[allow(non_upper_case_globals)]
const NSWindowStyleMaskNonactivatingPanel: NSWindowStyleMask =
unsafe { NSWindowStyleMask::from_bits_unchecked(1 << 7) };
style_mask |= NSWindowStyleMaskNonactivatingPanel;
msg_send![PANEL_CLASS, alloc]
}
@ -452,7 +458,16 @@ impl Window {
native_window.setTitlebarAppearsTransparent_(YES);
}
native_window.setAcceptsMouseMovedEvents_(YES);
let tracking_area: id = msg_send![class!(NSTrackingArea), alloc];
let rect = NSRect::new(NSPoint::new(0., 0.), NSSize::new(0., 0.));
let _: () = msg_send![
tracking_area,
initWithRect: rect
options: NSTrackingMouseMoved | NSTrackingActiveAlways | NSTrackingInVisibleRect
owner: native_view
userInfo: nil
];
let _: () = msg_send![native_view, addTrackingArea: tracking_area];
native_view.setAutoresizingMask_(NSViewWidthSizable | NSViewHeightSizable);
native_view.setWantsBestResolutionOpenGLSurface_(YES);
@ -478,9 +493,6 @@ impl Window {
match options.kind {
WindowKind::Normal => native_window.setLevel_(NSNormalWindowLevel),
WindowKind::PopUp => {
#[allow(non_upper_case_globals)]
const NSWindowAnimationBehaviorUtilityWindow: NSInteger = 4;
native_window.setLevel_(NSPopUpWindowLevel);
let _: () = msg_send![
native_window,