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ui/app: (iOS) resize window when the software keyboard is shown

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Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2019-08-20 14:33:19 +02:00
parent 46ecbb86d2
commit e6a68db4c0
1 changed files with 53 additions and 14 deletions
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ui/app/os_ios.m
+53 -14
View File
@@ -9,14 +9,14 @@
#include "os_ios.h"
#include "framework_ios.h"
@interface GioViewController : UIViewController
@property UIScreen *screen;
@end
@interface GioView: UIView <UIKeyInput>
- (void)setAnimating:(BOOL)anim;
@end
@interface GioViewController : UIViewController
@property(weak) UIScreen *screen;
@end
static void redraw(CFTypeRef viewRef, BOOL sync) {
UIView *v = (__bridge UIView *)viewRef;
CGFloat scale = v.layer.contentsScale;
@@ -48,15 +48,18 @@ static void redraw(CFTypeRef viewRef, BOOL sync) {
}
- (void)applicationDidEnterBackground:(UIApplication *)application {
if (self.window.rootViewController.view != nil) {
onStop((__bridge CFTypeRef)self.window.rootViewController.view);
GioViewController *vc = (GioViewController *)self.window.rootViewController;
UIView *drawView = vc.view.subviews[0];
if (drawView != nil) {
onStop((__bridge CFTypeRef)drawView);
}
}
- (void)applicationWillEnterForeground:(UIApplication *)application {
GioViewController *c = (GioViewController*)self.window.rootViewController;
if (c.view != nil) {
CFTypeRef viewRef = (__bridge CFTypeRef)c.view;
UIView *drawView = c.view.subviews[0];
if (drawView != nil) {
CFTypeRef viewRef = (__bridge CFTypeRef)drawView;
redraw(viewRef, YES);
}
}
@@ -73,24 +76,60 @@ static void redraw(CFTypeRef viewRef, BOOL sync) {
@end
@implementation GioViewController
CGFloat _keyboardHeight;
- (void)loadView {
CGRect zeroFrame = CGRectMake(0, 0, 0, 0);
self.view = [[GioView alloc] initWithFrame:zeroFrame];
self.view = [[UIView alloc] initWithFrame:zeroFrame];
UIView *drawView = [[GioView alloc] initWithFrame:zeroFrame];
[self.view addSubview: drawView];
#ifndef TARGET_OS_TV
self.view.multipleTouchEnabled = YES;
drawView.multipleTouchEnabled = YES;
#endif
self.view.contentScaleFactor = self.screen.nativeScale;
onCreate((__bridge CFTypeRef)self.view);
drawView.contentScaleFactor = self.screen.nativeScale;
drawView.preservesSuperviewLayoutMargins = YES;
drawView.layoutMargins = UIEdgeInsetsMake(0, 0, 0, 0);
onCreate((__bridge CFTypeRef)drawView);
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(keyboardWillChange:)
name:UIKeyboardWillShowNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(keyboardWillChange:)
name:UIKeyboardWillChangeFrameNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(keyboardWillHide:)
name:UIKeyboardWillHideNotification
object:nil];
}
- (void)viewDidDisappear:(BOOL)animated {
[super viewDidDisappear:animated];
CFTypeRef viewRef = (__bridge CFTypeRef)self.view;
CFTypeRef viewRef = (__bridge CFTypeRef)self.view.subviews[0];
onDestroy(viewRef);
}
- (void)viewDidLayoutSubviews {
redraw((__bridge CFTypeRef)self.view, YES);
[super viewDidLayoutSubviews];
UIView *view = self.view.subviews[0];
CGRect frame = self.view.bounds;
// Adjust view bounds to make room for the keyboard.
frame.size.height -= _keyboardHeight;
view.frame = frame;
redraw((__bridge CFTypeRef)view, YES);
}
- (void)keyboardWillChange:(NSNotification *)note {
NSDictionary *userInfo = note.userInfo;
CGRect f = [userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue];
_keyboardHeight = f.size.height;
[self.view setNeedsLayout];
}
- (void)keyboardWillHide:(NSNotification *)note {
_keyboardHeight = 0.0;
[self.view setNeedsLayout];
}
@end