Allow panning to the bottom of the screen when the keyboard appears

This commit is contained in:
Cameron Gutman
2020-11-02 18:41:38 -06:00
parent 3ad4d857e8
commit a483c6ea41

View File

@@ -33,6 +33,7 @@
StreamView *_streamView;
UIScrollView *_scrollView;
BOOL _userIsInteracting;
CGSize _keyboardSize;
#if !TARGET_OS_TV
UIScreenEdgePanGestureRecognizer *_exitSwipeRecognizer;
@@ -108,6 +109,8 @@
#else
_exitSwipeRecognizer = [[UIScreenEdgePanGestureRecognizer alloc] initWithTarget:self action:@selector(edgeSwiped)];
_exitSwipeRecognizer.edges = UIRectEdgeLeft;
_exitSwipeRecognizer.delaysTouchesBegan = NO;
_exitSwipeRecognizer.delaysTouchesEnded = NO;
[self.view addGestureRecognizer:_exitSwipeRecognizer];
#endif
@@ -146,6 +149,16 @@
selector: @selector(applicationDidEnterBackground:)
name: UIApplicationDidEnterBackgroundNotification
object: nil];
[[NSNotificationCenter defaultCenter] addObserver: self
selector: @selector(keyboardWillShow:)
name: UIKeyboardWillShowNotification
object: nil];
[[NSNotificationCenter defaultCenter] addObserver: self
selector: @selector(keyboardWillHide:)
name: UIKeyboardWillHideNotification
object: nil];
// Only enable scroll and zoom in absolute touch mode
if (_settings.absoluteTouchMode) {
@@ -190,6 +203,28 @@
}
}
- (void)keyboardWillShow:(NSNotification *)notification {
_keyboardSize = [[[notification userInfo] objectForKey:UIKeyboardFrameBeginUserInfoKey] CGRectValue].size;
[UIView animateWithDuration:0.3 animations:^{
CGRect frame = self->_scrollView.frame;
frame.size.height -= self->_keyboardSize.height;
self->_scrollView.frame = frame;
}];
}
-(void)keyboardWillHide:(NSNotification *)notification {
// NOTE: UIKeyboardFrameEndUserInfoKey returns a different keyboard size
// than UIKeyboardFrameBeginUserInfoKey, so it's unsuitable for use here
// to undo the changes made by keyboardWillShow.
[UIView animateWithDuration:0.3 animations:^{
CGRect frame = self->_scrollView.frame;
frame.size.height += self->_keyboardSize.height;
self->_scrollView.frame = frame;
}];
}
- (void)updateStatsOverlay {
NSString* overlayText = [self->_streamMan getStatsOverlayText];