Commit eda74fda965aded26c6f965541b55929e7a73012
2016-12-18T13:05:14
tvOS: Expose remote swipe gestures as arrow key presses (thanks oviano!)
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diff --git a/src/video/uikit/SDL_uikitview.m b/src/video/uikit/SDL_uikitview.m
index c7d9f51..278a1b3 100644
--- a/src/video/uikit/SDL_uikitview.m
+++ b/src/video/uikit/SDL_uikitview.m
@@ -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 */