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////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2018 Laurent Gomila (laurent@sfml-dev.org)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Window/iOS/SFView.hpp>
#include <SFML/Window/iOS/SFAppDelegate.hpp>
#include <SFML/System/Utf.hpp>
#include <QuartzCore/CAEAGLLayer.h>
#include <cstring>
@interface SFView()
@property (nonatomic) NSMutableArray* touches;
@end
@implementation SFView
@synthesize context;
////////////////////////////////////////////////////////////
-(BOOL)canBecomeFirstResponder
{
return true;
}
////////////////////////////////////////////////////////////
- (BOOL)hasText
{
return true;
}
////////////////////////////////////////////////////////////
- (void)deleteBackward
{
[[SFAppDelegate getInstance] notifyCharacter:'\b'];
}
////////////////////////////////////////////////////////////
- (void)insertText:(NSString*)text
{
// Convert the NSString to UTF-8
const char* utf8 = [text UTF8String];
// Then convert to UTF-32 and notify the application delegate of each new character
const char* end = utf8 + std::strlen(utf8);
while (utf8 < end)
{
sf::Uint32 character;
utf8 = sf::Utf8::decode(utf8, end, character);
[[SFAppDelegate getInstance] notifyCharacter:character];
}
}
////////////////////////////////////////////////////////////
- (void)touchesBegan:(NSSet*)touches withEvent:(UIEvent*)event
{
for (UITouch* touch in touches)
{
// find an empty slot for the new touch
NSUInteger index = [self.touches indexOfObject:[NSNull null]];
if (index != NSNotFound)
{
[self.touches replaceObjectAtIndex:index withObject:touch];
}
else
{
[self.touches addObject:touch];
index = [self.touches count] - 1;
}
// get the touch position
CGPoint point = [touch locationInView:self];
sf::Vector2i position(static_cast<int>(point.x), static_cast<int>(point.y));
// notify the application delegate
[[SFAppDelegate getInstance] notifyTouchBegin:index atPosition:position];
}
}
////////////////////////////////////////////////////////////
- (void)touchesMoved:(NSSet*)touches withEvent:(UIEvent*)event
{
for (UITouch* touch in touches)
{
// find the touch
NSUInteger index = [self.touches indexOfObject:touch];
if (index != NSNotFound)
{
// get the touch position
CGPoint point = [touch locationInView:self];
sf::Vector2i position(static_cast<int>(point.x), static_cast<int>(point.y));
// notify the application delegate
[[SFAppDelegate getInstance] notifyTouchMove:index atPosition:position];
}
}
}
////////////////////////////////////////////////////////////
- (void)touchesEnded:(NSSet*)touches withEvent:(UIEvent*)event
{
for (UITouch* touch in touches)
{
// find the touch
NSUInteger index = [self.touches indexOfObject:touch];
if (index != NSNotFound)
{
// get the touch position
CGPoint point = [touch locationInView:self];
sf::Vector2i position(static_cast<int>(point.x), static_cast<int>(point.y));
// notify the application delegate
[[SFAppDelegate getInstance] notifyTouchEnd:index atPosition:position];
// remove the touch
[self.touches replaceObjectAtIndex:index withObject:[NSNull null]];
}
}
}
////////////////////////////////////////////////////////////
- (void)touchesCancelled:(NSSet*)touches withEvent:(UIEvent*)event
{
// Treat touch cancel events the same way as touch end
[self touchesEnded:touches withEvent:event];
}
////////////////////////////////////////////////////////////
- (void)layoutSubviews
{
// update the attached context's buffers
if (self.context)
self.context->recreateRenderBuffers(self);
}
////////////////////////////////////////////////////////////
+ (Class)layerClass
{
return [CAEAGLLayer class];
}
////////////////////////////////////////////////////////////
- (id)initWithFrame:(CGRect)frame andContentScaleFactor:(CGFloat)factor
{
self = [super initWithFrame:frame];
self.contentScaleFactor = factor;
if (self)
{
self.context = NULL;
self.touches = [NSMutableArray array];
// Configure the EAGL layer
CAEAGLLayer* eaglLayer = (CAEAGLLayer*)self.layer;
eaglLayer.opaque = YES;
eaglLayer.drawableProperties = [NSDictionary dictionaryWithObjectsAndKeys:
[NSNumber numberWithBool:FALSE], kEAGLDrawablePropertyRetainedBacking,
kEAGLColorFormatRGBA8, kEAGLDrawablePropertyColorFormat,
nil];
// Enable user interactions on the view (multi-touch events)
self.userInteractionEnabled = true;
self.multipleTouchEnabled = true;
}
return self;
}
////////////////////////////////////////////////////////////
- (UITextAutocorrectionType) autocorrectionType
{
return UITextAutocorrectionTypeNo;
}
@end
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