mirror of
https://git.sr.ht/~eliasnaur/gio
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app/internal/wm: rename confusing app/internal/window
Package wm (for "window manager") is a better fit for the package, and distinguishes it from the low-level package windows for the Windows API. Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
@@ -0,0 +1,340 @@
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// SPDX-License-Identifier: Unlicense OR MIT
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// +build darwin,ios
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@import UIKit;
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#include <stdint.h>
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#include "_cgo_export.h"
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#include "framework_ios.h"
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@interface GioView: UIView <UIKeyInput>
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@end
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@implementation GioViewController
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CGFloat _keyboardHeight;
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- (void)loadView {
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gio_runMain();
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CGRect zeroFrame = CGRectMake(0, 0, 0, 0);
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self.view = [[UIView alloc] initWithFrame:zeroFrame];
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self.view.layoutMargins = UIEdgeInsetsMake(0, 0, 0, 0);
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UIView *drawView = [[GioView alloc] initWithFrame:zeroFrame];
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[self.view addSubview: drawView];
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#ifndef TARGET_OS_TV
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drawView.multipleTouchEnabled = YES;
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#endif
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drawView.preservesSuperviewLayoutMargins = YES;
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drawView.layoutMargins = UIEdgeInsetsMake(0, 0, 0, 0);
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onCreate((__bridge CFTypeRef)drawView);
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(keyboardWillChange:)
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name:UIKeyboardWillShowNotification
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object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(keyboardWillChange:)
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name:UIKeyboardWillChangeFrameNotification
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object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(keyboardWillHide:)
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name:UIKeyboardWillHideNotification
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object:nil];
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[[NSNotificationCenter defaultCenter] addObserver: self
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selector: @selector(applicationDidEnterBackground:)
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name: UIApplicationDidEnterBackgroundNotification
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object: nil];
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[[NSNotificationCenter defaultCenter] addObserver: self
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selector: @selector(applicationWillEnterForeground:)
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name: UIApplicationWillEnterForegroundNotification
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object: nil];
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}
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- (void)applicationWillEnterForeground:(UIApplication *)application {
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UIView *drawView = self.view.subviews[0];
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if (drawView != nil) {
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gio_onDraw((__bridge CFTypeRef)drawView);
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}
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}
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- (void)applicationDidEnterBackground:(UIApplication *)application {
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UIView *drawView = self.view.subviews[0];
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if (drawView != nil) {
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onStop((__bridge CFTypeRef)drawView);
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}
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}
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- (void)viewDidDisappear:(BOOL)animated {
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[super viewDidDisappear:animated];
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CFTypeRef viewRef = (__bridge CFTypeRef)self.view.subviews[0];
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onDestroy(viewRef);
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}
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- (void)viewDidLayoutSubviews {
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[super viewDidLayoutSubviews];
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UIView *view = self.view.subviews[0];
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CGRect frame = self.view.bounds;
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// Adjust view bounds to make room for the keyboard.
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frame.size.height -= _keyboardHeight;
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view.frame = frame;
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gio_onDraw((__bridge CFTypeRef)view);
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}
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- (void)didReceiveMemoryWarning {
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onLowMemory();
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[super didReceiveMemoryWarning];
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}
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- (void)keyboardWillChange:(NSNotification *)note {
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NSDictionary *userInfo = note.userInfo;
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CGRect f = [userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue];
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_keyboardHeight = f.size.height;
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[self.view setNeedsLayout];
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}
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- (void)keyboardWillHide:(NSNotification *)note {
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_keyboardHeight = 0.0;
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[self.view setNeedsLayout];
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}
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@end
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static void handleTouches(int last, UIView *view, NSSet<UITouch *> *touches, UIEvent *event) {
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CGFloat scale = view.contentScaleFactor;
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NSUInteger i = 0;
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NSUInteger n = [touches count];
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CFTypeRef viewRef = (__bridge CFTypeRef)view;
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for (UITouch *touch in touches) {
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CFTypeRef touchRef = (__bridge CFTypeRef)touch;
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i++;
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NSArray<UITouch *> *coalescedTouches = [event coalescedTouchesForTouch:touch];
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NSUInteger j = 0;
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NSUInteger m = [coalescedTouches count];
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for (UITouch *coalescedTouch in [event coalescedTouchesForTouch:touch]) {
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CGPoint loc = [coalescedTouch locationInView:view];
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j++;
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int lastTouch = last && i == n && j == m;
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onTouch(lastTouch, viewRef, touchRef, touch.phase, loc.x*scale, loc.y*scale, [coalescedTouch timestamp]);
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}
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}
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}
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@implementation GioView
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NSArray<UIKeyCommand *> *_keyCommands;
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+ (void)onFrameCallback:(CADisplayLink *)link {
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gio_onFrameCallback((__bridge CFTypeRef)link);
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}
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- (void)willMoveToWindow:(UIWindow *)newWindow {
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if (self.window != nil) {
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[[NSNotificationCenter defaultCenter] removeObserver:self
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name:UIWindowDidBecomeKeyNotification
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object:self.window];
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[[NSNotificationCenter defaultCenter] removeObserver:self
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name:UIWindowDidResignKeyNotification
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object:self.window];
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}
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self.contentScaleFactor = newWindow.screen.nativeScale;
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(onWindowDidBecomeKey:)
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name:UIWindowDidBecomeKeyNotification
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object:newWindow];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(onWindowDidResignKey:)
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name:UIWindowDidResignKeyNotification
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object:newWindow];
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}
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- (void)onWindowDidBecomeKey:(NSNotification *)note {
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if (self.isFirstResponder) {
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onFocus((__bridge CFTypeRef)self, YES);
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}
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}
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- (void)onWindowDidResignKey:(NSNotification *)note {
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if (self.isFirstResponder) {
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onFocus((__bridge CFTypeRef)self, NO);
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}
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}
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- (void)dealloc {
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}
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- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
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handleTouches(0, self, touches, event);
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}
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- (void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
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handleTouches(0, self, touches, event);
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}
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- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
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handleTouches(1, self, touches, event);
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}
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- (void)touchesCancelled:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
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handleTouches(1, self, touches, event);
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}
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- (void)insertText:(NSString *)text {
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onText((__bridge CFTypeRef)self, (char *)text.UTF8String);
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}
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- (BOOL)canBecomeFirstResponder {
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return YES;
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}
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- (BOOL)hasText {
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return YES;
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}
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- (void)deleteBackward {
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onDeleteBackward((__bridge CFTypeRef)self);
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}
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- (void)onUpArrow {
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onUpArrow((__bridge CFTypeRef)self);
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}
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- (void)onDownArrow {
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onDownArrow((__bridge CFTypeRef)self);
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}
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- (void)onLeftArrow {
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onLeftArrow((__bridge CFTypeRef)self);
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}
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- (void)onRightArrow {
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onRightArrow((__bridge CFTypeRef)self);
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}
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- (NSArray<UIKeyCommand *> *)keyCommands {
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if (_keyCommands == nil) {
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_keyCommands = @[
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[UIKeyCommand keyCommandWithInput:UIKeyInputUpArrow
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modifierFlags:0
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action:@selector(onUpArrow)],
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[UIKeyCommand keyCommandWithInput:UIKeyInputDownArrow
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modifierFlags:0
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action:@selector(onDownArrow)],
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[UIKeyCommand keyCommandWithInput:UIKeyInputLeftArrow
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modifierFlags:0
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action:@selector(onLeftArrow)],
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[UIKeyCommand keyCommandWithInput:UIKeyInputRightArrow
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modifierFlags:0
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action:@selector(onRightArrow)]
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];
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}
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return _keyCommands;
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}
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@end
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void gio_writeClipboard(unichar *chars, NSUInteger length) {
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@autoreleasepool {
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NSString *s = [NSString string];
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if (length > 0) {
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s = [NSString stringWithCharacters:chars length:length];
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}
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UIPasteboard *p = UIPasteboard.generalPasteboard;
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p.string = s;
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}
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}
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CFTypeRef gio_readClipboard(void) {
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@autoreleasepool {
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UIPasteboard *p = UIPasteboard.generalPasteboard;
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return (__bridge_retained CFTypeRef)p.string;
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}
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}
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void gio_showTextInput(CFTypeRef viewRef) {
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UIView *view = (__bridge UIView *)viewRef;
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[view becomeFirstResponder];
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}
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void gio_hideTextInput(CFTypeRef viewRef) {
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UIView *view = (__bridge UIView *)viewRef;
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[view resignFirstResponder];
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}
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void gio_addLayerToView(CFTypeRef viewRef, CFTypeRef layerRef) {
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UIView *view = (__bridge UIView *)viewRef;
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CALayer *layer = (__bridge CALayer *)layerRef;
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[view.layer addSublayer:layer];
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}
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void gio_updateView(CFTypeRef viewRef, CFTypeRef layerRef) {
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UIView *view = (__bridge UIView *)viewRef;
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CAEAGLLayer *layer = (__bridge CAEAGLLayer *)layerRef;
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layer.contentsScale = view.contentScaleFactor;
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layer.bounds = view.bounds;
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}
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void gio_removeLayer(CFTypeRef layerRef) {
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CALayer *layer = (__bridge CALayer *)layerRef;
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[layer removeFromSuperlayer];
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}
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struct drawParams gio_viewDrawParams(CFTypeRef viewRef) {
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UIView *v = (__bridge UIView *)viewRef;
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struct drawParams params;
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CGFloat scale = v.layer.contentsScale;
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// Use 163 as the standard ppi on iOS.
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params.dpi = 163*scale;
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params.sdpi = params.dpi;
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UIEdgeInsets insets = v.layoutMargins;
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if (@available(iOS 11.0, tvOS 11.0, *)) {
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UIFontMetrics *metrics = [UIFontMetrics defaultMetrics];
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params.sdpi = [metrics scaledValueForValue:params.sdpi];
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insets = v.safeAreaInsets;
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}
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params.width = v.bounds.size.width*scale;
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params.height = v.bounds.size.height*scale;
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params.top = insets.top*scale;
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params.right = insets.right*scale;
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params.bottom = insets.bottom*scale;
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params.left = insets.left*scale;
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return params;
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}
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CFTypeRef gio_createDisplayLink(void) {
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CADisplayLink *dl = [CADisplayLink displayLinkWithTarget:[GioView class] selector:@selector(onFrameCallback:)];
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dl.paused = YES;
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NSRunLoop *runLoop = [NSRunLoop mainRunLoop];
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[dl addToRunLoop:runLoop forMode:[runLoop currentMode]];
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return (__bridge_retained CFTypeRef)dl;
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}
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int gio_startDisplayLink(CFTypeRef dlref) {
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CADisplayLink *dl = (__bridge CADisplayLink *)dlref;
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dl.paused = NO;
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return 0;
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}
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int gio_stopDisplayLink(CFTypeRef dlref) {
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CADisplayLink *dl = (__bridge CADisplayLink *)dlref;
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dl.paused = YES;
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return 0;
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}
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void gio_releaseDisplayLink(CFTypeRef dlref) {
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CADisplayLink *dl = (__bridge CADisplayLink *)dlref;
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[dl invalidate];
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CFRelease(dlref);
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}
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void gio_setDisplayLinkDisplay(CFTypeRef dl, uint64_t did) {
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// Nothing to do on iOS.
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}
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void gio_hideCursor() {
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// Not supported.
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}
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void gio_showCursor() {
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// Not supported.
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}
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void gio_setCursor(NSUInteger curID) {
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// Not supported.
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}
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