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grab_cursor and hide_cursor (#571)

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* Windows: Use new cursor state API

* X11: Use new cursor state API

* macOS: Use new cursor state API

* Android+iOS: Stubbed new cursor state API

* Emscripten: Use new cursor state API

* Prevent multiple inc/dec of display count on Windows

* Fixed missing imports (no idea where those went)

* Remove NoneCursor

* Improved documentation

* Fix Emscripten build

* Windows: Re-grab before and after fullscreen
This commit is contained in:
Francesca Frangipane 2018-06-18 12:32:18 -04:00 • committed by GitHub
parent 042f5fe4b3
commit fb7528c239
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GPG key ID: 4AEE18F83AFDEB23
15 changed files with 326 additions and 313 deletions
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2
examples/cursor.rs
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@ -8,7 +8,7 @@ fn main() {
let window = winit::WindowBuilder::new().build(&events_loop).unwrap();
window.set_title("A fantastic window!");
let cursors = [MouseCursor::Default, MouseCursor::Crosshair, MouseCursor::Hand, MouseCursor::Arrow, MouseCursor::Move, MouseCursor::Text, MouseCursor::Wait, MouseCursor::Help, MouseCursor::Progress, MouseCursor::NotAllowed, MouseCursor::ContextMenu, MouseCursor::NoneCursor, MouseCursor::Cell, MouseCursor::VerticalText, MouseCursor::Alias, MouseCursor::Copy, MouseCursor::NoDrop, MouseCursor::Grab, MouseCursor::Grabbing, MouseCursor::AllScroll, MouseCursor::ZoomIn, MouseCursor::ZoomOut, MouseCursor::EResize, MouseCursor::NResize, MouseCursor::NeResize, MouseCursor::NwResize, MouseCursor::SResize, MouseCursor::SeResize, MouseCursor::SwResize, MouseCursor::WResize, MouseCursor::EwResize, MouseCursor::NsResize, MouseCursor::NeswResize, MouseCursor::NwseResize, MouseCursor::ColResize, MouseCursor::RowResize];
let cursors = [MouseCursor::Default, MouseCursor::Crosshair, MouseCursor::Hand, MouseCursor::Arrow, MouseCursor::Move, MouseCursor::Text, MouseCursor::Wait, MouseCursor::Help, MouseCursor::Progress, MouseCursor::NotAllowed, MouseCursor::ContextMenu, MouseCursor::Cell, MouseCursor::VerticalText, MouseCursor::Alias, MouseCursor::Copy, MouseCursor::NoDrop, MouseCursor::Grab, MouseCursor::Grabbing, MouseCursor::AllScroll, MouseCursor::ZoomIn, MouseCursor::ZoomOut, MouseCursor::EResize, MouseCursor::NResize, MouseCursor::NeResize, MouseCursor::NwResize, MouseCursor::SResize, MouseCursor::SeResize, MouseCursor::SwResize, MouseCursor::WResize, MouseCursor::EwResize, MouseCursor::NsResize, MouseCursor::NeswResize, MouseCursor::NwseResize, MouseCursor::ColResize, MouseCursor::RowResize];
let mut cursor_idx = 0;
events_loop.run_forever(|event| {

38
examples/cursor_grab.rs Normal file
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@ -0,0 +1,38 @@
extern crate winit;
fn main() {
let mut events_loop = winit::EventsLoop::new();
let window = winit::WindowBuilder::new()
.with_title("Super Cursor Grab'n'Hide Simulator 9000")
.build(&events_loop)
.unwrap();
events_loop.run_forever(|event| {
if let winit::Event::WindowEvent { event, .. } = event {
use winit::WindowEvent::*;
match event {
CloseRequested => return winit::ControlFlow::Break,
KeyboardInput {
input: winit::KeyboardInput {
state: winit::ElementState::Released,
virtual_keycode: Some(key),
modifiers,
..
},
..
} => {
use winit::VirtualKeyCode::*;
match key {
Escape => return winit::ControlFlow::Break,
G => window.grab_cursor(!modifiers.shift).unwrap(),
H => window.hide_cursor(!modifiers.shift),
_ => (),
}
}
_ => (),
}
}
winit::ControlFlow::Continue
});
}

45
examples/grabbing.rs
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@ -1,45 +0,0 @@
extern crate winit;
use winit::{ControlFlow, WindowEvent, ElementState, KeyboardInput};
fn main() {
let mut events_loop = winit::EventsLoop::new();
let window = winit::WindowBuilder::new().build(&events_loop).unwrap();
window.set_title("winit - Cursor grabbing test");
let mut grabbed = false;
events_loop.run_forever(|event| {
println!("{:?}", event);
match event {
winit::Event::WindowEvent { event, .. } => {
match event {
WindowEvent::KeyboardInput { input: KeyboardInput { state: ElementState::Pressed, .. }, .. } => {
if grabbed {
grabbed = false;
window.set_cursor_state(winit::CursorState::Normal)
.ok().expect("could not ungrab mouse cursor");
} else {
grabbed = true;
window.set_cursor_state(winit::CursorState::Grab)
.ok().expect("could not grab mouse cursor");
}
},
WindowEvent::CloseRequested => return ControlFlow::Break,
a @ WindowEvent::CursorMoved { .. } => {
println!("{:?}", a);
},
_ => (),
}
}
_ => {}
}
ControlFlow::Continue
});
}