IOSView.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#ifndef SWIFT_IMPORT
#include "CoreTypes.h"
#include "Delegates/Delegate.h"
#include "IOS/IOSInputInterface.h"
#endif
 
#import <UIKit/UIKit.h>
 
#import <Metal/Metal.h>
#import <QuartzCore/CAMetalLayer.h>
 
#if WITH_ACCESSIBILITY
#include "GenericPlatform/Accessibility/GenericAccessibleInterfaces.h"
#endif
 
#ifndef SWIFT_IMPORT
struct FKeyboardConfig
{
    UIKeyboardType KeyboardType;
    UITextAutocorrectionType AutocorrectionType;
    UITextAutocapitalizationType AutocapitalizationType;
    BOOL bSecureTextEntry;
    
    inline FKeyboardConfig() :
        KeyboardType(UIKeyboardTypeDefault),
        AutocorrectionType(UITextAutocorrectionTypeNo),
        AutocapitalizationType(UITextAutocapitalizationTypeNone),
        bSecureTextEntry(NO) {}
};
 
namespace MTL
{
    class Device;
}
#endif
 
#ifndef SWIFT_IMPORT
APPLICATIONCORE_API
#endif
@interface FIOSView : UIView  <UIKeyInput, UITextInput>
{
@public
    // are we initialized?
    bool bIsInitialized;
 
//@private
    // keeps track of the number of active touches
    // used to bring up the three finger touch debug console after 3 active touches are registered
    int NumActiveTouches;
 
    // track the touches by pointer (which will stay the same for a given finger down) - note we don't deref the pointers in this array
    UITouch* AllTouches[10];
    float PreviousForces[10];
    bool HasMoved[10];
 
    // global metal device
#ifndef SWIFT_IMPORT
    MTL::Device* MetalDevice;
#endif
    id<CAMetalDrawable> PanicDrawable;
    // Might be null if caching is disabled.
    CAMetalLayer* CachedMetalLayer;
 
    
    // whether or not to use the new style virtual keyboard that sends events to the engine instead of using an alert
    bool bIsUsingIntegratedKeyboard;
    bool bSendEscapeOnClose;
 
    // caches for the TextInput
    NSString* CachedMarkedText;
    
    UIKeyboardType KeyboardType;
    UITextAutocorrectionType AutocorrectionType;
    UITextAutocapitalizationType AutocapitalizationType;
    BOOL bSecureTextEntry;
    
    volatile int KeyboardShowCount;
 
#if !PLATFORM_TVOS
    UIInterfaceOrientationMask SupportedInterfaceOrientations;
    // the orientation for the current frame we are displaying, or 0 if none is available
    UIInterfaceOrientationMask LastFrameInterfaceOrientationMask;
#endif
}
 
#if WITH_ACCESSIBILITY
-(void)SetAccessibilityWindow:(AccessibleWidgetId)WindowId;
#endif
 
@property (nonatomic) uint SwapCount;
@property (assign, nonatomic) CGSize ViewSize;
 
-(bool)CreateFramebuffer;
-(void)DestroyFramebuffer;
-(void)UpdateRenderWidth:(unsigned int)Width andHeight:(unsigned int)Height;
-(void)CalculateContentScaleFactor:(int)ScreenWidth ScreenHeight:(int)ScreenHeight;
-(void)forceLayoutSubviews;
 
- (void)SwapBuffers;
 
// Return a drawable object (ie a back buffer texture) for the RHI to render to
- (id<CAMetalDrawable>)MakeDrawable;
 
#ifndef SWIFT_IMPORT
-(void)InitKeyboard;
-(void)ActivateKeyboard:(bool)bInSendEscapeOnClose;
-(void)ActivateKeyboard:(bool)bInSendEscapeOnClose keyboardConfig:(FKeyboardConfig)KeyboardConfig;
-(void)DeactivateKeyboard;
-(bool)ShouldUseIntegratedKeyboard;
 
// callable from outside to fake locations
-(void)HandleTouchAtLoc:(CGPoint)Loc PrevLoc:(CGPoint)PrevLoc TouchIndex:(int)TouchIndex Force:(float)Force Type:(TouchType)Type TouchesArray:(TArray<TouchInput>&)TouchesArray;
#endif
 
#if BUILD_EMBEDDED_APP
// startup UE before we have a view - so that we don't need block on Metal device creation, which can take .5-1.5 seconds!
+(void)StartupEmbeddedUnreal;
#endif
 
@end
 
 
#if PLATFORM_TVOS
#import <GameController/GameController.h>
// if TVOS doesn't use the GCEventViewController, it will background the app when the user presses Menu/Pause
@interface IOSViewController : GCEventViewController
#else
@interface IOSViewController : UIViewController
#endif
{
}
 
#if !PLATFORM_TVOS && !PLATFORM_VISIONOS
-(void)notifyPresentAfterRotateOrientationMask : (UIInterfaceOrientationMask)NewOrientationMask withSizeX : (unsigned int)SizeX withSizeY : (unsigned int)SizeY;
 
- (UIInterfaceOrientationMask)supportedInterfaceOrientations_Internal;
- (UIInterfaceOrientationMask)supportedInterfaceOrientations;
#endif
 
@end