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Merge pull request #405 from tomaka/win32-wheel

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[Breaking change] Fix mouse wheel value on win32 and return a f64 instead of i32 in the MouseWheel event
This commit is contained in:
tomaka 2015-05-06 16:56:24 +02:00
parent 2d97e0380f d9f0d92584
commit 119bd6393f
4 changed files with 9 additions and 6 deletions
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2
src/api/cocoa/mod.rs
View file

@ -275,7 +275,7 @@ impl<'a> Iterator for PollEventsIterator<'a> {
self.window.delegate.state.pending_events.lock().unwrap().extend(events.into_iter());
event
},
NSScrollWheel => { Some(MouseWheel(event.scrollingDeltaY() as i32)) },
NSScrollWheel => { Some(MouseWheel(event.scrollingDeltaX() as f64, event.scrollingDeltaY() as f64)) },
_ => { None },
};

3
src/api/win32/callback.rs
View file

@ -114,8 +114,9 @@ pub unsafe extern "system" fn callback(window: winapi::HWND, msg: winapi::UINT,
let value = (wparam >> 16) as i16;
let value = value as i32;
let value = value as f64 / winapi::WHEEL_DELTA as f64;
send_event(window, MouseWheel(value));
send_event(window, MouseWheel(0.0, value));
0
},

4
src/api/x11/mod.rs
View file

@ -241,11 +241,11 @@ impl<'a> Iterator for PollEventsIterator<'a> {
ffi::Button2 => Some(Middle),
ffi::Button3 => Some(Right),
ffi::Button4 => {
self.window.pending_events.lock().unwrap().push_back(MouseWheel(1));
self.window.pending_events.lock().unwrap().push_back(MouseWheel(0.0, 1.0));
None
}
ffi::Button5 => {
self.window.pending_events.lock().unwrap().push_back(MouseWheel(-1));
self.window.pending_events.lock().unwrap().push_back(MouseWheel(0.0, -1.0));
None
}
_ => None

6
src/events.rs
View file

@ -25,9 +25,11 @@ pub enum Event {
/// The parameter are the (x,y) coords in pixels relative to the top-left corner of the window.
MouseMoved((i32, i32)),
/// Returns the horizontal and vertical mouse scrolling.
///
/// A positive value indicates that the wheel was rotated forward, away from the user;
/// a negative value indicates that the wheel was rotated backward, toward the user.
MouseWheel(i32),
/// a negative value indicates that the wheel was rotated backward, toward the user.
MouseWheel(f64, f64),
/// An event from the mouse has been received.
MouseInput(ElementState, MouseButton),