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Code Issues

(svn r25666) -Feature [FS#4760]: [OSX] Pinch gesture support for zooming. (Based on patch by leecbaker)

release/1.4
michi_cc 2013-08-05 20:36:17 +00:00
parent 8003da77aa
commit 8b476de3bf
2 changed files with 48 additions and 0 deletions
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8
src/os/macosx/osx_stdafx.h
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@ -108,6 +108,14 @@ typedef unsigned int NSUInteger;
#endif /* __LP64__ */
#endif /* NSInteger */
#ifndef CGFLOAT_DEFINED
#if __LP64__
typedef double CGFloat;
#else
typedef float CGFloat;
#endif /* __LP64__ */
#endif /* CGFLOAT_DEFINED */
/* OS X SDK versions >= 10.5 have a non-const iconv. */
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
# define HAVE_NON_CONST_ICONV

40
src/video/cocoa/event.mm
View File

@ -58,11 +58,28 @@ enum RightMouseButtonEmulationState {
static unsigned int _current_mods;
static bool _tab_is_down;
static bool _emulating_right_button;
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
static float _current_magnification;
#endif
#ifdef _DEBUG
static uint32 _tEvent;
#endif
/* Support for touch gestures is only available starting with the
* 10.6 SDK, even if it says that support starts in fact with 10.5.2.
* Replicate the needed stuff for older SDKs. */
#if MAC_OS_X_VERSION_MAX_ALLOWED == MAC_OS_X_VERSION_10_5
static const NSUInteger NSEventTypeMagnify = 30;
static const NSUInteger NSEventTypeEndGesture = 20;
@interface NSEvent ()
/* This message is valid for events of type NSEventTypeMagnify, on 10.5.2 or later */
- (CGFloat)magnification WEAK_IMPORT_ATTRIBUTE;
@end
#endif
static uint32 GetTick()
{
struct timeval tim;
@ -542,6 +559,29 @@ static bool QZ_PollEvent()
_cursor.v_wheel -= (int)([ event deltaY ] * 5 * _settings_client.gui.scrollwheel_multiplier);
break;
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
case NSEventTypeMagnify:
/* Pinch open or close gesture. */
_current_magnification += [ event magnification ] * 5.0f;
while (_current_magnification >= 1.0f) {
_current_magnification -= 1.0f;
_cursor.wheel++;
HandleMouseEvents();
}
while (_current_magnification <= -1.0f) {
_current_magnification += 1.0f;
_cursor.wheel--;
HandleMouseEvents();
}
break;
case NSEventTypeEndGesture:
/* Gesture ended. */
_current_magnification = 0.0f;
break;
#endif
case NSCursorUpdate:
case NSMouseEntered:
case NSMouseExited: