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Remember what finger was used for left button down and only send mouse events for that finger.

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This commit is contained in:
Sam Lantinga
2012-10-21 22:38:09 -07:00
parent 73c7d679a0
commit 2138d30098
2 changed files with 30 additions and 42 deletions
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8
src/video/uikit/SDL_uikitview.h
View File

@@ -22,8 +22,9 @@
#import <UIKit/UIKit.h>
#import "SDL_uikitviewcontroller.h"
#include "SDL_touch.h"
#define IPHONE_TOUCH_EFFICIENT_DANGEROUS
#define FIXED_MULTITOUCH
#ifndef IPHONE_TOUCH_EFFICIENT_DANGEROUS
#define MAX_SIMULTANEOUS_TOUCHES 5
@@ -35,12 +36,11 @@
@interface SDL_uikitview : UIView {
#endif
#ifdef FIXED_MULTITOUCH
long touchId;
SDL_TouchID touchId;
SDL_FingerID leftFingerDown;
#ifndef IPHONE_TOUCH_EFFICIENT_DANGEROUS
UITouch *finger[MAX_SIMULTANEOUS_TOUCHES];
#endif
#endif
#if SDL_IPHONE_KEYBOARD
UITextField *textField;

64
src/video/uikit/SDL_uikitview.m
View File

@@ -50,7 +50,6 @@
[self initializeKeyboard];
#endif
#ifdef FIXED_MULTITOUCH
self.multipleTouchEnabled = YES;
SDL_Touch touch;
@@ -69,9 +68,7 @@
touch.pressure_max = 1;
touch.native_pressureres = touch.pressure_max - touch.pressure_min;
touchId = SDL_AddTouch(&touch, "IPHONE SCREEN");
#endif
return self;
@@ -102,25 +99,25 @@
NSEnumerator *enumerator = [touches objectEnumerator];
UITouch *touch = (UITouch*)[enumerator nextObject];
if (touch) {
CGPoint locationInView = [self touchLocation:touch shouldNormalize:NO];
while (touch) {
if (!leftFingerDown) {
CGPoint locationInView = [self touchLocation:touch shouldNormalize:NO];
/* send moved event */
SDL_SendMouseMotion(NULL, 0, locationInView.x, locationInView.y);
/* send moved event */
SDL_SendMouseMotion(NULL, 0, locationInView.x, locationInView.y);
/* send mouse down event */
SDL_SendMouseButton(NULL, SDL_PRESSED, SDL_BUTTON_LEFT);
}
/* send mouse down event */
SDL_SendMouseButton(NULL, SDL_PRESSED, SDL_BUTTON_LEFT);
leftFingerDown = (SDL_FingerID)touch;
}
#ifdef FIXED_MULTITOUCH
while(touch) {
CGPoint locationInView = [self touchLocation:touch shouldNormalize:YES];
#ifdef IPHONE_TOUCH_EFFICIENT_DANGEROUS
//FIXME: TODO: Using touch as the fingerId is potentially dangerous
//It is also much more efficient than storing the UITouch pointer
//and comparing it to the incoming event.
SDL_SendFingerDown(touchId, (long)touch,
// FIXME: TODO: Using touch as the fingerId is potentially dangerous
// It is also much more efficient than storing the UITouch pointer
// and comparing it to the incoming event.
SDL_SendFingerDown(touchId, (SDL_FingerID)touch,
SDL_TRUE, locationInView.x, locationInView.y,
1);
#else
@@ -135,10 +132,8 @@
}
}
#endif
touch = (UITouch*)[enumerator nextObject];
}
#endif
}
- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
@@ -146,15 +141,14 @@
NSEnumerator *enumerator = [touches objectEnumerator];
UITouch *touch = (UITouch*)[enumerator nextObject];
if (touch) {
/* send mouse up */
SDL_SendMouseButton(NULL, SDL_RELEASED, SDL_BUTTON_LEFT);
}
#ifdef FIXED_MULTITOUCH
while(touch) {
CGPoint locationInView = [self touchLocation:touch shouldNormalize:YES];
if ((SDL_FingerID)touch == leftFingerDown) {
/* send mouse up */
SDL_SendMouseButton(NULL, SDL_RELEASED, SDL_BUTTON_LEFT);
leftFingerDown = 0;
}
CGPoint locationInView = [self touchLocation:touch shouldNormalize:YES];
#ifdef IPHONE_TOUCH_EFFICIENT_DANGEROUS
SDL_SendFingerDown(touchId, (long)touch,
SDL_FALSE, locationInView.x, locationInView.y,
@@ -171,10 +165,8 @@
}
}
#endif
touch = (UITouch*)[enumerator nextObject];
}
#endif
}
- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event
@@ -192,17 +184,15 @@
NSEnumerator *enumerator = [touches objectEnumerator];
UITouch *touch = (UITouch*)[enumerator nextObject];
if (touch) {
CGPoint locationInView = [self touchLocation:touch shouldNormalize:NO];
while (touch) {
if ((SDL_FingerID)touch == leftFingerDown) {
CGPoint locationInView = [self touchLocation:touch shouldNormalize:NO];
/* send moved event */
SDL_SendMouseMotion(NULL, 0, locationInView.x, locationInView.y);
}
/* send moved event */
SDL_SendMouseMotion(NULL, 0, locationInView.x, locationInView.y);
}
#ifdef FIXED_MULTITOUCH
while(touch) {
CGPoint locationInView = [self touchLocation:touch shouldNormalize:YES];
#ifdef IPHONE_TOUCH_EFFICIENT_DANGEROUS
SDL_SendTouchMotion(touchId, (long)touch,
SDL_FALSE, locationInView.x, locationInView.y,
@@ -218,10 +208,8 @@
}
}
#endif
touch = (UITouch*)[enumerator nextObject];
}
#endif
}
/*