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macOS: add WindowEvent::PointerButton::is_macos_activation_click

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Apps need per-click decisions to follow the macOS convention of accepting
first mouse for low-risk actions (selection, scrolling) but rejecting it
for buttons and destructive actions. Motivated by slint-ui/slint#10451.

Always return `true` from `acceptsFirstMouse:`, and tag the resulting
`PointerButton` events with `is_macos_activation_click: true` (on both
the activating left press and its matching release) so the app can
short-circuit the whole gesture with a single check:

    WindowEvent::PointerButton { is_macos_activation_click: true, .. } => return,

Replaces an earlier callback-based design (`accepts_first_mouse` on
`ApplicationHandlerExtMacOS`) that mapped more closely to AppKit but
didn't fit winit's event-driven model and required re-entrancy handling.

Also removes `WindowAttributesMacOS::with_accepts_first_mouse`, which is
now redundant — apps that want to reject activation clicks check the
flag on the per-event instead.
This commit is contained in:
Till Adam
2026-06-18 22:39:35 +02:00
committed by Simon Hausmann
parent 92b643c3f1
commit 6a8a334426
15 changed files with 95 additions and 21 deletions
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2
winit-android/src/event_loop.rs
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@@ -383,6 +383,7 @@ impl EventLoop {
android_activity::input::ToolType::Mouse => continue,
_ => event::ButtonSource::Unknown(0),
},
is_macos_activation_click: false,
};
app.window_event(&self.window_target, GLOBAL_WINDOW, event);
},
@@ -426,6 +427,7 @@ impl EventLoop {
android_activity::input::ToolType::Mouse => continue,
_ => event::ButtonSource::Unknown(0),
},
is_macos_activation_click: false,
};
app.window_event(&self.window_target, GLOBAL_WINDOW, event);
}