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Auto merge of #20374 - paulrouget:hittest, r=glennw

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Fix mouse click

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PR #20071 broke mouse click on hidpi screens.

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- [ ] These changes fix #__ (github issue number if applicable).

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This commit is contained in:
bors-servo 2018-03-21 05:46:09 -04:00 • committed by GitHub
commit 1594d0b54c
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1 changed files with 9 additions and 12 deletions
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21
ports/servo/glutin_app/window.rs
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@ -181,14 +181,14 @@ pub struct Window {
inner_size: Cell<TypedSize2D<u32, DeviceIndependentPixel>>,
mouse_down_button: Cell<Option<winit::MouseButton>>,
mouse_down_point: Cell<TypedPoint2D<i32, DeviceIndependentPixel>>,
mouse_down_point: Cell<TypedPoint2D<i32, DevicePixel>>,
event_queue: RefCell<Vec<WindowEvent>>,
/// id of the top level browsing context. It is unique as tabs
/// are not supported yet. None until created.
browser_id: Cell<Option<BrowserId>>,
mouse_pos: Cell<TypedPoint2D<i32, DeviceIndependentPixel>>,
mouse_pos: Cell<TypedPoint2D<i32, DevicePixel>>,
key_modifiers: Cell<GlutinKeyModifiers>,
current_url: RefCell<Option<ServoUrl>>,
@ -515,37 +515,34 @@ impl Window {
}
}
let pos = self.mouse_pos.get().to_f32() * self.hidpi_factor();
let event = WindowEvent::Scroll(scroll_location, pos.to_i32(), phase);
let event = WindowEvent::Scroll(scroll_location, self.mouse_pos.get(), phase);
self.event_queue.borrow_mut().push(event);
}
/// Helper function to handle a click
fn handle_mouse(&self, button: winit::MouseButton,
action: winit::ElementState,
coords: TypedPoint2D<i32, DeviceIndependentPixel>) {
coords: TypedPoint2D<i32, DevicePixel>) {
use script_traits::MouseButton;
// FIXME(tkuehn): max pixel dist should be based on pixel density
let max_pixel_dist = 10f64;
let scaled_coords = coords.to_f32() * self.hidpi_factor();
let max_pixel_dist = 10.0 * self.hidpi_factor().get();
let event = match action {
ElementState::Pressed => {
self.mouse_down_point.set(coords);
self.mouse_down_button.set(Some(button));
MouseWindowEvent::MouseDown(MouseButton::Left, scaled_coords)
MouseWindowEvent::MouseDown(MouseButton::Left, coords.to_f32())
}
ElementState::Released => {
let mouse_up_event = MouseWindowEvent::MouseUp(MouseButton::Left, scaled_coords);
let mouse_up_event = MouseWindowEvent::MouseUp(MouseButton::Left, coords.to_f32());
match self.mouse_down_button.get() {
None => mouse_up_event,
Some(but) if button == but => {
let pixel_dist = self.mouse_down_point.get() - coords;
let pixel_dist = ((pixel_dist.x * pixel_dist.x +
pixel_dist.y * pixel_dist.y) as f64).sqrt();
pixel_dist.y * pixel_dist.y) as f32).sqrt();
if pixel_dist < max_pixel_dist {
self.event_queue.borrow_mut().push(WindowEvent::MouseWindowEventClass(mouse_up_event));
MouseWindowEvent::Click(MouseButton::Left, scaled_coords)
MouseWindowEvent::Click(MouseButton::Left, coords.to_f32())
} else {
mouse_up_event
}