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tvOS: Expose remote swipe gestures as arrow key presses (thanks oviano!)

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This commit is contained in:
Alex Szpakowski 2016-12-18 13:05:14 -04:00
parent 787a54c84b
commit eda74fda96
1 changed files with 48 additions and 0 deletions
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48
src/video/uikit/SDL_uikitview.m
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@ -42,6 +42,25 @@
- (instancetype)initWithFrame:(CGRect)frame
{
if ((self = [super initWithFrame:frame])) {
/* Apple TV Remote touchpad swipe gestures. */
#if TARGET_OS_TV
UISwipeGestureRecognizer *swipeUp = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeGesture:)];
swipeUp.direction = UISwipeGestureRecognizerDirectionUp;
[self addGestureRecognizer:swipeUp];
UISwipeGestureRecognizer *swipeDown = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeGesture:)];
swipeDown.direction = UISwipeGestureRecognizerDirectionDown;
[self addGestureRecognizer:swipeDown];
UISwipeGestureRecognizer *swipeLeft = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeGesture:)];
swipeLeft.direction = UISwipeGestureRecognizerDirectionLeft;
[self addGestureRecognizer:swipeLeft];
UISwipeGestureRecognizer *swipeRight = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeGesture:)];
swipeRight.direction = UISwipeGestureRecognizerDirectionRight;
[self addGestureRecognizer:swipeRight];
#endif
self.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
self.autoresizesSubviews = YES;
@ -264,6 +283,35 @@
}
#endif /* TARGET_OS_TV || defined(__IPHONE_9_1) */
#if TARGET_OS_TV
-(void)swipeGesture:(UISwipeGestureRecognizer *)gesture
{
/* Swipe gestures don't trigger begin states. */
if (gesture.state == UIGestureRecognizerStateEnded) {
/* Send arrow key presses for now, as we don't have an external API
* which better maps to swipe gestures. */
switch (gesture.direction) {
case UISwipeGestureRecognizerDirectionUp:
SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_UP);
SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_UP);
break;
case UISwipeGestureRecognizerDirectionDown:
SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_DOWN);
SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_DOWN);
break;
case UISwipeGestureRecognizerDirectionLeft:
SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_LEFT);
SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_LEFT);
break;
case UISwipeGestureRecognizerDirectionRight:
SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_RIGHT);
SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_RIGHT);
break;
}
}
}
#endif /* TARGET_OS_TV */
@end
#endif /* SDL_VIDEO_DRIVER_UIKIT */