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Fixed life cycle events on iOS when using main callbacks

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This commit is contained in:
Sam Lantinga
2024-07-23 22:33:43 -07:00
parent 45fc548562
commit fff783de6c
3 changed files with 27 additions and 15 deletions
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4
src/main/ios/SDL_sysmain_callbacks.m
View File

@@ -26,6 +26,9 @@
#import <UIKit/UIKit.h>
#include "../../video/uikit/SDL_uikitevents.h" // For SDL_UpdateLifecycleObserver()
@interface SDLIosMainCallbacksDisplayLink : NSObject
@property(nonatomic, retain) CADisplayLink *displayLink;
- (void)appIteration:(CADisplayLink *)sender;
@@ -53,6 +56,7 @@ static SDLIosMainCallbacksDisplayLink *globalDisplayLink;
self.displayLink = nil;
globalDisplayLink = nil;
SDL_QuitMainCallbacks();
SDL_UpdateLifecycleObserver();
exit((rc < 0) ? 1 : 0);
}
}

2
src/video/uikit/SDL_uikitevents.h
View File

@@ -25,6 +25,8 @@
#include "../SDL_sysvideo.h"
extern void SDL_UpdateLifecycleObserver(void);
extern Uint64 UIKit_GetEventTimestamp(NSTimeInterval nsTimestamp);
extern void UIKit_PumpEvents(SDL_VideoDevice *_this);

36
src/video/uikit/SDL_uikitevents.m
View File

@@ -23,6 +23,7 @@
#ifdef SDL_VIDEO_DRIVER_UIKIT
#include "../../events/SDL_events_c.h"
#include "../../main/SDL_main_callbacks.h"
#include "SDL_uikitevents.h"
#include "SDL_uikitopengles.h"
@@ -46,10 +47,10 @@ static BOOL UIKit_EventPumpEnabled = YES;
@implementation SDL_LifecycleObserver
- (void)eventPumpChanged
- (void)update
{
NSNotificationCenter *notificationCenter = NSNotificationCenter.defaultCenter;
if (UIKit_EventPumpEnabled && !self.isObservingNotifications) {
if ((UIKit_EventPumpEnabled || SDL_HasMainCallbacks()) && !self.isObservingNotifications) {
self.isObservingNotifications = YES;
[notificationCenter addObserver:self selector:@selector(applicationDidBecomeActive) name:UIApplicationDidBecomeActiveNotification object:nil];
[notificationCenter addObserver:self selector:@selector(applicationWillResignActive) name:UIApplicationWillResignActiveNotification object:nil];
@@ -63,7 +64,7 @@ static BOOL UIKit_EventPumpEnabled = YES;
name:UIApplicationDidChangeStatusBarOrientationNotification
object:nil];
#endif
} else if (!UIKit_EventPumpEnabled && self.isObservingNotifications) {
} else if (!UIKit_EventPumpEnabled && !SDL_HasMainCallbacks() && self.isObservingNotifications) {
self.isObservingNotifications = NO;
[notificationCenter removeObserver:self];
}
@@ -108,6 +109,23 @@ static BOOL UIKit_EventPumpEnabled = YES;
@end
void SDL_UpdateLifecycleObserver(void)
{
static SDL_LifecycleObserver *lifecycleObserver;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
lifecycleObserver = [SDL_LifecycleObserver new];
});
[lifecycleObserver update];
}
void SDL_SetiOSEventPump(SDL_bool enabled)
{
UIKit_EventPumpEnabled = enabled;
SDL_UpdateLifecycleObserver();
}
Uint64 UIKit_GetEventTimestamp(NSTimeInterval nsTimestamp)
{
static Uint64 timestamp_offset;
@@ -126,18 +144,6 @@ Uint64 UIKit_GetEventTimestamp(NSTimeInterval nsTimestamp)
return timestamp;
}
void SDL_SetiOSEventPump(SDL_bool enabled)
{
UIKit_EventPumpEnabled = enabled;
static SDL_LifecycleObserver *lifecycleObserver;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
lifecycleObserver = [SDL_LifecycleObserver new];
});
[lifecycleObserver eventPumpChanged];
}
void UIKit_PumpEvents(SDL_VideoDevice *_this)
{
if (!UIKit_EventPumpEnabled) {