Move iOS and macOS implementations into new apple module (#3756)
Move iOS and macOS implementations to a shared folder called `apple`, to allow us to reduce the code-duplication between these platforms in the future. The folder structure is now: - `src/platform_impl/apple/` - `appkit/` - `uikit/` - `example_shared_file.rs` - `mod.rs` * Add preliminary support for tvOS, watchOS and visionOS * Reduce duplication in Cargo.toml when specifying dependencies
This commit is contained in:
parent
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commit
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28 changed files with 52 additions and 59 deletions
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@ -1,515 +0,0 @@
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#![allow(clippy::unnecessary_cast)]
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use std::cell::{Cell, RefCell};
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use objc2::rc::Retained;
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use objc2::runtime::{NSObjectProtocol, ProtocolObject};
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use objc2::{declare_class, msg_send, msg_send_id, mutability, sel, ClassType, DeclaredClass};
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use objc2_foundation::{CGFloat, CGPoint, CGRect, MainThreadMarker, NSObject, NSSet};
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use objc2_ui_kit::{
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UICoordinateSpace, UIEvent, UIForceTouchCapability, UIGestureRecognizer,
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UIGestureRecognizerDelegate, UIGestureRecognizerState, UIPanGestureRecognizer,
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UIPinchGestureRecognizer, UIResponder, UIRotationGestureRecognizer, UITapGestureRecognizer,
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UITouch, UITouchPhase, UITouchType, UITraitEnvironment, UIView,
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};
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use super::app_state::{self, EventWrapper};
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use super::window::WinitUIWindow;
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use crate::dpi::PhysicalPosition;
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use crate::event::{Event, Force, Touch, TouchPhase, WindowEvent};
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use crate::platform_impl::platform::DEVICE_ID;
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use crate::window::{WindowAttributes, WindowId as RootWindowId};
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pub struct WinitViewState {
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pinch_gesture_recognizer: RefCell<Option<Retained<UIPinchGestureRecognizer>>>,
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doubletap_gesture_recognizer: RefCell<Option<Retained<UITapGestureRecognizer>>>,
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rotation_gesture_recognizer: RefCell<Option<Retained<UIRotationGestureRecognizer>>>,
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pan_gesture_recognizer: RefCell<Option<Retained<UIPanGestureRecognizer>>>,
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// for iOS delta references the start of the Gesture
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rotation_last_delta: Cell<CGFloat>,
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pinch_last_delta: Cell<CGFloat>,
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pan_last_delta: Cell<CGPoint>,
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}
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declare_class!(
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pub(crate) struct WinitView;
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unsafe impl ClassType for WinitView {
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#[inherits(UIResponder, NSObject)]
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type Super = UIView;
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type Mutability = mutability::MainThreadOnly;
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const NAME: &'static str = "WinitUIView";
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}
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impl DeclaredClass for WinitView {
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type Ivars = WinitViewState;
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}
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unsafe impl WinitView {
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#[method(drawRect:)]
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fn draw_rect(&self, rect: CGRect) {
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let mtm = MainThreadMarker::new().unwrap();
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let window = self.window().unwrap();
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app_state::handle_nonuser_event(
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mtm,
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EventWrapper::StaticEvent(Event::WindowEvent {
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window_id: RootWindowId(window.id()),
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event: WindowEvent::RedrawRequested,
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}),
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);
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let _: () = unsafe { msg_send![super(self), drawRect: rect] };
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}
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#[method(layoutSubviews)]
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fn layout_subviews(&self) {
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let mtm = MainThreadMarker::new().unwrap();
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let _: () = unsafe { msg_send![super(self), layoutSubviews] };
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let window = self.window().unwrap();
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let window_bounds = window.bounds();
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let screen = window.screen();
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let screen_space = screen.coordinateSpace();
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let screen_frame = self.convertRect_toCoordinateSpace(window_bounds, &screen_space);
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let scale_factor = screen.scale();
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let size = crate::dpi::LogicalSize {
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width: screen_frame.size.width as f64,
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height: screen_frame.size.height as f64,
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}
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.to_physical(scale_factor as f64);
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// If the app is started in landscape, the view frame and window bounds can be mismatched.
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// The view frame will be in portrait and the window bounds in landscape. So apply the
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// window bounds to the view frame to make it consistent.
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let view_frame = self.frame();
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if view_frame != window_bounds {
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self.setFrame(window_bounds);
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}
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app_state::handle_nonuser_event(
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mtm,
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EventWrapper::StaticEvent(Event::WindowEvent {
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window_id: RootWindowId(window.id()),
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event: WindowEvent::Resized(size),
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}),
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);
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}
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#[method(setContentScaleFactor:)]
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fn set_content_scale_factor(&self, untrusted_scale_factor: CGFloat) {
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let mtm = MainThreadMarker::new().unwrap();
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let _: () =
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unsafe { msg_send![super(self), setContentScaleFactor: untrusted_scale_factor] };
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// `window` is null when `setContentScaleFactor` is invoked prior to `[UIWindow
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// makeKeyAndVisible]` at window creation time (either manually or internally by
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// UIKit when the `UIView` is first created), in which case we send no events here
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let window = match self.window() {
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Some(window) => window,
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None => return,
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};
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// `setContentScaleFactor` may be called with a value of 0, which means "reset the
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// content scale factor to a device-specific default value", so we can't use the
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// parameter here. We can query the actual factor using the getter
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let scale_factor = self.contentScaleFactor();
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assert!(
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!scale_factor.is_nan()
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&& scale_factor.is_finite()
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&& scale_factor.is_sign_positive()
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&& scale_factor > 0.0,
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"invalid scale_factor set on UIView",
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);
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let scale_factor = scale_factor as f64;
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let bounds = self.bounds();
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let screen = window.screen();
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let screen_space = screen.coordinateSpace();
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let screen_frame = self.convertRect_toCoordinateSpace(bounds, &screen_space);
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let size = crate::dpi::LogicalSize {
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width: screen_frame.size.width as f64,
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height: screen_frame.size.height as f64,
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};
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let window_id = RootWindowId(window.id());
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app_state::handle_nonuser_events(
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mtm,
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std::iter::once(EventWrapper::ScaleFactorChanged(
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app_state::ScaleFactorChanged {
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window,
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scale_factor,
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suggested_size: size.to_physical(scale_factor),
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},
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))
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.chain(std::iter::once(EventWrapper::StaticEvent(
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Event::WindowEvent {
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window_id,
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event: WindowEvent::Resized(size.to_physical(scale_factor)),
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},
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))),
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);
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}
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#[method(touchesBegan:withEvent:)]
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fn touches_began(&self, touches: &NSSet<UITouch>, _event: Option<&UIEvent>) {
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self.handle_touches(touches)
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}
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#[method(touchesMoved:withEvent:)]
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fn touches_moved(&self, touches: &NSSet<UITouch>, _event: Option<&UIEvent>) {
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self.handle_touches(touches)
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}
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#[method(touchesEnded:withEvent:)]
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fn touches_ended(&self, touches: &NSSet<UITouch>, _event: Option<&UIEvent>) {
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self.handle_touches(touches)
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}
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#[method(touchesCancelled:withEvent:)]
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fn touches_cancelled(&self, touches: &NSSet<UITouch>, _event: Option<&UIEvent>) {
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self.handle_touches(touches)
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}
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#[method(pinchGesture:)]
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fn pinch_gesture(&self, recognizer: &UIPinchGestureRecognizer) {
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let window = self.window().unwrap();
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let (phase, delta) = match recognizer.state() {
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UIGestureRecognizerState::Began => {
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self.ivars().pinch_last_delta.set(recognizer.scale());
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(TouchPhase::Started, 0.0)
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}
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UIGestureRecognizerState::Changed => {
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let last_scale: f64 = self.ivars().pinch_last_delta.replace(recognizer.scale());
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(TouchPhase::Moved, recognizer.scale() - last_scale)
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}
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UIGestureRecognizerState::Ended => {
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let last_scale: f64 = self.ivars().pinch_last_delta.replace(0.0);
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(TouchPhase::Moved, recognizer.scale() - last_scale)
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}
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UIGestureRecognizerState::Cancelled | UIGestureRecognizerState::Failed => {
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self.ivars().rotation_last_delta.set(0.0);
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// Pass -delta so that action is reversed
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(TouchPhase::Cancelled, -recognizer.scale())
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}
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state => panic!("unexpected recognizer state: {:?}", state),
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};
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let gesture_event = EventWrapper::StaticEvent(Event::WindowEvent {
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window_id: RootWindowId(window.id()),
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event: WindowEvent::PinchGesture {
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device_id: DEVICE_ID,
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delta: delta as f64,
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phase,
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},
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});
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let mtm = MainThreadMarker::new().unwrap();
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app_state::handle_nonuser_event(mtm, gesture_event);
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}
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#[method(doubleTapGesture:)]
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fn double_tap_gesture(&self, recognizer: &UITapGestureRecognizer) {
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let window = self.window().unwrap();
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if recognizer.state() == UIGestureRecognizerState::Ended {
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let gesture_event = EventWrapper::StaticEvent(Event::WindowEvent {
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window_id: RootWindowId(window.id()),
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event: WindowEvent::DoubleTapGesture {
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device_id: DEVICE_ID,
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},
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});
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let mtm = MainThreadMarker::new().unwrap();
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app_state::handle_nonuser_event(mtm, gesture_event);
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}
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}
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#[method(rotationGesture:)]
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fn rotation_gesture(&self, recognizer: &UIRotationGestureRecognizer) {
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let window = self.window().unwrap();
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let (phase, delta) = match recognizer.state() {
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UIGestureRecognizerState::Began => {
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self.ivars().rotation_last_delta.set(0.0);
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(TouchPhase::Started, 0.0)
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}
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UIGestureRecognizerState::Changed => {
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let last_rotation = self.ivars().rotation_last_delta.replace(recognizer.rotation());
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(TouchPhase::Moved, recognizer.rotation() - last_rotation)
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}
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UIGestureRecognizerState::Ended => {
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let last_rotation = self.ivars().rotation_last_delta.replace(0.0);
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(TouchPhase::Ended, recognizer.rotation() - last_rotation)
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}
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UIGestureRecognizerState::Cancelled | UIGestureRecognizerState::Failed => {
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self.ivars().rotation_last_delta.set(0.0);
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// Pass -delta so that action is reversed
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(TouchPhase::Cancelled, -recognizer.rotation())
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}
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state => panic!("unexpected recognizer state: {:?}", state),
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};
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// Make delta negative to match macos, convert to degrees
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let gesture_event = EventWrapper::StaticEvent(Event::WindowEvent {
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window_id: RootWindowId(window.id()),
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event: WindowEvent::RotationGesture {
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device_id: DEVICE_ID,
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delta: -delta.to_degrees() as _,
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phase,
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},
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});
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let mtm = MainThreadMarker::new().unwrap();
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app_state::handle_nonuser_event(mtm, gesture_event);
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}
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#[method(panGesture:)]
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fn pan_gesture(&self, recognizer: &UIPanGestureRecognizer) {
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let window = self.window().unwrap();
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let translation = recognizer.translationInView(Some(self));
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let (phase, dx, dy) = match recognizer.state() {
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UIGestureRecognizerState::Began => {
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self.ivars().pan_last_delta.set(translation);
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(TouchPhase::Started, 0.0, 0.0)
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}
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UIGestureRecognizerState::Changed => {
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let last_pan: CGPoint = self.ivars().pan_last_delta.replace(translation);
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let dx = translation.x - last_pan.x;
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let dy = translation.y - last_pan.y;
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(TouchPhase::Moved, dx, dy)
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}
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UIGestureRecognizerState::Ended => {
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let last_pan: CGPoint = self.ivars().pan_last_delta.replace(CGPoint{x:0.0, y:0.0});
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let dx = translation.x - last_pan.x;
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let dy = translation.y - last_pan.y;
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(TouchPhase::Ended, dx, dy)
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}
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UIGestureRecognizerState::Cancelled | UIGestureRecognizerState::Failed => {
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let last_pan: CGPoint = self.ivars().pan_last_delta.replace(CGPoint{x:0.0, y:0.0});
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// Pass -delta so that action is reversed
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(TouchPhase::Cancelled, -last_pan.x, -last_pan.y)
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}
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state => panic!("unexpected recognizer state: {:?}", state),
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};
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let gesture_event = EventWrapper::StaticEvent(Event::WindowEvent {
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window_id: RootWindowId(window.id()),
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event: WindowEvent::PanGesture {
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device_id: DEVICE_ID,
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delta: PhysicalPosition::new(dx as _, dy as _),
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phase,
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},
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});
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let mtm = MainThreadMarker::new().unwrap();
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app_state::handle_nonuser_event(mtm, gesture_event);
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}
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}
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unsafe impl NSObjectProtocol for WinitView {}
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unsafe impl UIGestureRecognizerDelegate for WinitView {
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#[method(gestureRecognizer:shouldRecognizeSimultaneouslyWithGestureRecognizer:)]
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fn should_recognize_simultaneously(&self, _gesture_recognizer: &UIGestureRecognizer, _other_gesture_recognizer: &UIGestureRecognizer) -> bool {
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true
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}
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}
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);
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impl WinitView {
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pub(crate) fn new(
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mtm: MainThreadMarker,
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window_attributes: &WindowAttributes,
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frame: CGRect,
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) -> Retained<Self> {
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let this = mtm.alloc().set_ivars(WinitViewState {
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pinch_gesture_recognizer: RefCell::new(None),
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doubletap_gesture_recognizer: RefCell::new(None),
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rotation_gesture_recognizer: RefCell::new(None),
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pan_gesture_recognizer: RefCell::new(None),
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rotation_last_delta: Cell::new(0.0),
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pinch_last_delta: Cell::new(0.0),
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pan_last_delta: Cell::new(CGPoint { x: 0.0, y: 0.0 }),
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});
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let this: Retained<Self> = unsafe { msg_send_id![super(this), initWithFrame: frame] };
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this.setMultipleTouchEnabled(true);
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if let Some(scale_factor) = window_attributes.platform_specific.scale_factor {
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this.setContentScaleFactor(scale_factor as _);
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}
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this
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}
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fn window(&self) -> Option<Retained<WinitUIWindow>> {
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// SAFETY: `WinitView`s are always installed in a `WinitUIWindow`
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(**self).window().map(|window| unsafe { Retained::cast(window) })
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}
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pub(crate) fn recognize_pinch_gesture(&self, should_recognize: bool) {
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let mtm = MainThreadMarker::from(self);
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if should_recognize {
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if self.ivars().pinch_gesture_recognizer.borrow().is_none() {
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let pinch = unsafe {
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UIPinchGestureRecognizer::initWithTarget_action(
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mtm.alloc(),
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Some(self),
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Some(sel!(pinchGesture:)),
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)
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};
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pinch.setDelegate(Some(ProtocolObject::from_ref(self)));
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self.addGestureRecognizer(&pinch);
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self.ivars().pinch_gesture_recognizer.replace(Some(pinch));
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}
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} else if let Some(recognizer) = self.ivars().pinch_gesture_recognizer.take() {
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self.removeGestureRecognizer(&recognizer);
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}
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}
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pub(crate) fn recognize_pan_gesture(
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&self,
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should_recognize: bool,
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minimum_number_of_touches: u8,
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maximum_number_of_touches: u8,
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) {
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let mtm = MainThreadMarker::from(self);
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if should_recognize {
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if self.ivars().pan_gesture_recognizer.borrow().is_none() {
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let pan = unsafe {
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UIPanGestureRecognizer::initWithTarget_action(
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mtm.alloc(),
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Some(self),
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Some(sel!(panGesture:)),
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)
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};
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pan.setDelegate(Some(ProtocolObject::from_ref(self)));
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pan.setMinimumNumberOfTouches(minimum_number_of_touches as _);
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pan.setMaximumNumberOfTouches(maximum_number_of_touches as _);
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self.addGestureRecognizer(&pan);
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self.ivars().pan_gesture_recognizer.replace(Some(pan));
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}
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} else if let Some(recognizer) = self.ivars().pan_gesture_recognizer.take() {
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self.removeGestureRecognizer(&recognizer);
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}
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}
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pub(crate) fn recognize_doubletap_gesture(&self, should_recognize: bool) {
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let mtm = MainThreadMarker::from(self);
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if should_recognize {
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if self.ivars().doubletap_gesture_recognizer.borrow().is_none() {
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let tap = unsafe {
|
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UITapGestureRecognizer::initWithTarget_action(
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mtm.alloc(),
|
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Some(self),
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Some(sel!(doubleTapGesture:)),
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)
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};
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tap.setDelegate(Some(ProtocolObject::from_ref(self)));
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tap.setNumberOfTapsRequired(2);
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tap.setNumberOfTouchesRequired(1);
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self.addGestureRecognizer(&tap);
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self.ivars().doubletap_gesture_recognizer.replace(Some(tap));
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}
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} else if let Some(recognizer) = self.ivars().doubletap_gesture_recognizer.take() {
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self.removeGestureRecognizer(&recognizer);
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}
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}
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|
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pub(crate) fn recognize_rotation_gesture(&self, should_recognize: bool) {
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let mtm = MainThreadMarker::from(self);
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if should_recognize {
|
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if self.ivars().rotation_gesture_recognizer.borrow().is_none() {
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let rotation = unsafe {
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||||
UIRotationGestureRecognizer::initWithTarget_action(
|
||||
mtm.alloc(),
|
||||
Some(self),
|
||||
Some(sel!(rotationGesture:)),
|
||||
)
|
||||
};
|
||||
rotation.setDelegate(Some(ProtocolObject::from_ref(self)));
|
||||
self.addGestureRecognizer(&rotation);
|
||||
self.ivars().rotation_gesture_recognizer.replace(Some(rotation));
|
||||
}
|
||||
} else if let Some(recognizer) = self.ivars().rotation_gesture_recognizer.take() {
|
||||
self.removeGestureRecognizer(&recognizer);
|
||||
}
|
||||
}
|
||||
|
||||
fn handle_touches(&self, touches: &NSSet<UITouch>) {
|
||||
let window = self.window().unwrap();
|
||||
let mut touch_events = Vec::new();
|
||||
let os_supports_force = app_state::os_capabilities().force_touch;
|
||||
for touch in touches {
|
||||
let logical_location = touch.locationInView(None);
|
||||
let touch_type = touch.r#type();
|
||||
let force = if os_supports_force {
|
||||
let trait_collection = self.traitCollection();
|
||||
let touch_capability = trait_collection.forceTouchCapability();
|
||||
// Both the OS _and_ the device need to be checked for force touch support.
|
||||
if touch_capability == UIForceTouchCapability::Available
|
||||
|| touch_type == UITouchType::Pencil
|
||||
{
|
||||
let force = touch.force();
|
||||
let max_possible_force = touch.maximumPossibleForce();
|
||||
let altitude_angle: Option<f64> = if touch_type == UITouchType::Pencil {
|
||||
let angle = touch.altitudeAngle();
|
||||
Some(angle as _)
|
||||
} else {
|
||||
None
|
||||
};
|
||||
Some(Force::Calibrated {
|
||||
force: force as _,
|
||||
max_possible_force: max_possible_force as _,
|
||||
altitude_angle,
|
||||
})
|
||||
} else {
|
||||
None
|
||||
}
|
||||
} else {
|
||||
None
|
||||
};
|
||||
let touch_id = touch as *const UITouch as u64;
|
||||
let phase = touch.phase();
|
||||
let phase = match phase {
|
||||
UITouchPhase::Began => TouchPhase::Started,
|
||||
UITouchPhase::Moved => TouchPhase::Moved,
|
||||
// 2 is UITouchPhase::Stationary and is not expected here
|
||||
UITouchPhase::Ended => TouchPhase::Ended,
|
||||
UITouchPhase::Cancelled => TouchPhase::Cancelled,
|
||||
_ => panic!("unexpected touch phase: {phase:?}"),
|
||||
};
|
||||
|
||||
let physical_location = {
|
||||
let scale_factor = self.contentScaleFactor();
|
||||
PhysicalPosition::from_logical::<(f64, f64), f64>(
|
||||
(logical_location.x as _, logical_location.y as _),
|
||||
scale_factor as f64,
|
||||
)
|
||||
};
|
||||
touch_events.push(EventWrapper::StaticEvent(Event::WindowEvent {
|
||||
window_id: RootWindowId(window.id()),
|
||||
event: WindowEvent::Touch(Touch {
|
||||
device_id: DEVICE_ID,
|
||||
id: touch_id,
|
||||
location: physical_location,
|
||||
force,
|
||||
phase,
|
||||
}),
|
||||
}));
|
||||
}
|
||||
let mtm = MainThreadMarker::new().unwrap();
|
||||
app_state::handle_nonuser_events(mtm, touch_events);
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue