// Created: 2007/08/10
// RCS-ID: $Id$
// Copyright: (c) 2007 Software 2000 Ltd. All rights reserved.
-// Licence: wxWidgets licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include "wx/wxprec.h"
WX_IMPLEMENT_OBJC_INTERFACE_HASHMAP(NSSlider)
-// ============================================================================
-// @class wxNSSliderTarget
-// ============================================================================
-@interface wxNSSliderTarget : NSObject
+class wxCocoaNSSliderLastSelectorChanger
{
-}
-
-- (void)wxNSSliderUpArrowKeyDown: (id)sender;
-- (void)wxNSSliderDownArrowKeyDown: (id)sender;
-- (void)wxNSSliderLeftArrowKeyDown: (id)sender;
-- (void)wxNSSliderRightArrowKeyDown: (id)sender;
-- (void)wxNSSliderPageUpKeyDown: (id)sender;
-- (void)wxNSSliderPageDownKeyDown: (id)sender;
-- (void)wxNSSliderMoveUp: (id)sender;
-- (void)wxNSSliderMoveDown: (id)sender;
-- (void)wxNSSliderMoveLeft: (id)sender;
-- (void)wxNSSliderMoveRight: (id)sender;
-- (void)wxNSSliderPageUp: (id)sender;
-- (void)wxNSSliderPageDown: (id)sender;
-@end // wxNSSliderTarget
-
-@implementation wxNSSliderTarget : NSObject
-
-- (void)wxNSSliderUpArrowKeyDown: (id)sender
-{
- wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
- wxCHECK_RET(slider,wxT("wxNSSliderUpArrowKeyDown received without associated wx object"));
- slider->Cocoa_wxNSSliderUpArrowKeyDown();
-}
-
-- (void)wxNSSliderDownArrowKeyDown: (id)sender
-{
- wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
- wxCHECK_RET(slider,wxT("wxNSSliderDownArrowKeyDown received without associated wx object"));
- slider->Cocoa_wxNSSliderDownArrowKeyDown();
-}
-
-- (void)wxNSSliderLeftArrowKeyDown: (id)sender
-{
- wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
- wxCHECK_RET(slider,wxT("wxNSSliderLeftArrowKeyDown received without associated wx object"));
- slider->Cocoa_wxNSSliderLeftArrowKeyDown();
-}
-
-- (void)wxNSSliderRightArrowKeyDown: (id)sender
-{
- wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
- wxCHECK_RET(slider,wxT("wxNSSliderRightArrowKeyDown received without associated wx object"));
- slider->Cocoa_wxNSSliderRightArrowKeyDown();
-}
-
-- (void)wxNSSliderPageUpKeyDown: (id)sender
-{
- wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
- wxCHECK_RET(slider,wxT("wxNSSliderPageUpKeyDown received without associated wx object"));
- slider->Cocoa_wxNSSliderPageUpKeyDown();
-}
-
-- (void)wxNSSliderPageDownKeyDown: (id)sender
-{
- wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
- wxCHECK_RET(slider,wxT("wxNSSliderPageDownKeyDown received without associated wx object"));
- slider->Cocoa_wxNSSliderPageDownKeyDown();
-}
-
-- (void)wxNSSliderMoveUp: (id)sender
-{
- wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
- wxCHECK_RET(slider,wxT("wxNSSliderMoveUp received without associated wx object"));
- slider->Cocoa_wxNSSliderMoveUp();
-}
-
-- (void)wxNSSliderMoveDown: (id)sender
-{
- wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
- wxCHECK_RET(slider,wxT("wxNSSliderMoveDown received without associated wx object"));
- slider->Cocoa_wxNSSliderMoveDown();
-}
-
-- (void)wxNSSliderMoveLeft: (id)sender
-{
- wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
- wxCHECK_RET(slider,wxT("wxNSSliderMoveLeft received without associated wx object"));
- slider->Cocoa_wxNSSliderMoveLeft();
-}
-
-- (void)wxNSSliderMoveRight: (id)sender
-{
- wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
- wxCHECK_RET(slider,wxT("wxNSSliderMoveRight received without associated wx object"));
- slider->Cocoa_wxNSSliderMoveRight();
-}
-
-- (void)wxNSSliderPageUp: (id)sender
-{
- wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
- wxCHECK_RET(slider,wxT("wxNSSliderPageUp received without associated wx object"));
- slider->Cocoa_wxNSSliderPageUp();
-}
-
-- (void)wxNSSliderPageDown: (id)sender
-{
- wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
- wxCHECK_RET(slider,wxT("wxNSSliderPageDown received without associated wx object"));
- slider->Cocoa_wxNSSliderPageDown();
-}
-
-@end // implementation wxNSSliderTarget
+public:
+ wxCocoaNSSliderLastSelectorChanger(SEL newSelector)
+ {
+ m_savedResponderSelector = wxCocoaNSSlider::sm_lastResponderSelector;
+ wxCocoaNSSlider::sm_lastResponderSelector = newSelector;
+ }
+ ~wxCocoaNSSliderLastSelectorChanger()
+ {
+ wxCocoaNSSlider::sm_lastResponderSelector = m_savedResponderSelector;
+ }
+private:
+ SEL m_savedResponderSelector;
+// Don't allow any default or copy construction
+ wxCocoaNSSliderLastSelectorChanger();
+ wxCocoaNSSliderLastSelectorChanger(const wxCocoaNSSliderLastSelectorChanger&);
+ void operator=(const wxCocoaNSSliderLastSelectorChanger&);
+};
// ============================================================================
// @class WXNSSlider
// ============================================================================
-
@implementation WXNSSlider : NSSlider
// Override to ensure that WXNSSlider gets created with a WXNSSliderCell
return [WX_GET_OBJC_CLASS(WXNSSliderCell) class];
}
+// The following methods are all NSResponder methods which NSSlider responds
+// to in order to change its state and send the action message. We override
+// them simply to record which one was called. This allows code listening
+// only for the action message to determine what caused the action.
+// Note that this is perfectly fine being a global because Cocoa processes
+// events synchronously and only in the main thread.
+
- (void)keyDown:(NSEvent *)theEvent
{
- SEL originalAction = [self action];
- SEL newAction = originalAction;
- NSString *theEventCharacters = [theEvent charactersIgnoringModifiers];
-
- if ([theEventCharacters length] == 1)
- {
- switch ([theEventCharacters characterAtIndex:0])
- {
- case NSUpArrowFunctionKey: newAction = @selector(wxNSSliderUpArrowKeyDown:); break;
- case NSDownArrowFunctionKey: newAction = @selector(wxNSSliderDownArrowKeyDown:); break;
- case NSLeftArrowFunctionKey: newAction = @selector(wxNSSliderLeftArrowKeyDown:); break;
- case NSRightArrowFunctionKey: newAction = @selector(wxNSSliderRightArrowKeyDown:); break;
- case NSPageUpFunctionKey: newAction = @selector(wxNSSliderPageUpKeyDown:); break;
- case NSPageDownFunctionKey: newAction = @selector(wxNSSliderPageDownKeyDown:); break;
- default: break;
- }
- }
-
- [self setAction:newAction];
+ wxCocoaNSSliderLastSelectorChanger savedSelector(_cmd);
[super keyDown:theEvent];
- [self setAction:originalAction];
}
- (void)moveUp:(id)sender
{
- SEL originalAction = [self action];
-
- [self setAction:@selector(wxNSSliderMoveUp:)];
+ wxCocoaNSSliderLastSelectorChanger savedSelector(_cmd);
[super moveUp:sender];
- [self setAction:originalAction];
}
- (void)moveDown:(id)sender
{
- SEL originalAction = [self action];
-
- [self setAction:@selector(wxNSSliderMoveDown:)];
+ wxCocoaNSSliderLastSelectorChanger savedSelector(_cmd);
[super moveDown:sender];
- [self setAction:originalAction];
}
- (void)moveLeft:(id)sender
{
- SEL originalAction = [self action];
-
- [self setAction:@selector(wxNSSliderMoveLeft:)];
+ wxCocoaNSSliderLastSelectorChanger savedSelector(_cmd);
[super moveLeft:sender];
- [self setAction:originalAction];
}
- (void)moveRight:(id)sender
{
- SEL originalAction = [self action];
-
- [self setAction:@selector(wxNSSliderMoveRight:)];
+ wxCocoaNSSliderLastSelectorChanger savedSelector(_cmd);
[super moveRight:sender];
- [self setAction:originalAction];
}
- (void)pageUp:(id)sender
{
- SEL originalAction = [self action];
-
- [self setAction:@selector(wxNSSliderPageUp:)];
+ wxCocoaNSSliderLastSelectorChanger savedSelector(_cmd);
[super pageUp:sender];
- [self setAction:originalAction];
}
- (void)pageDown:(id)sender
{
- SEL originalAction = [self action];
-
- [self setAction:@selector(wxNSSliderPageDown:)];
+ wxCocoaNSSliderLastSelectorChanger savedSelector(_cmd);
[super pageDown:sender];
- [self setAction:originalAction];
}
@end
// @class WXNSSliderCell
// ============================================================================
-#define kwxNSSliderStartTracking @"wxNSSliderStartTracking"
-#define kwxNSSliderContinueTracking @"wxNSSliderContinueTracking"
-#define kwxNSSliderStopTracking @"wxNSSliderStopTracking"
-
@implementation WXNSSliderCell : NSSliderCell
- (BOOL)startTrackingAt:(NSPoint)startPoint inView:(NSView *)controlView
{
BOOL result = [super startTrackingAt:startPoint inView:controlView];
- [[NSNotificationCenter defaultCenter] postNotificationName:kwxNSSliderStartTracking object:controlView];
+
+ wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(controlView);
+ if(slider)
+ slider->CocoaNotification_startTracking(NULL);
+
return result;
}
- (BOOL)continueTracking:(NSPoint)lastPoint at:(NSPoint)currentPoint inView:(NSView *)controlView
{
BOOL result = [super continueTracking:lastPoint at:currentPoint inView:controlView];
- [[NSNotificationCenter defaultCenter] postNotificationName:kwxNSSliderContinueTracking object:controlView];
+
+ wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(controlView);
+ if(slider)
+ slider->CocoaNotification_continueTracking(NULL);
+
return result;
}
- (void)stopTracking:(NSPoint)lastPoint at:(NSPoint)stopPoint inView:(NSView *)controlView mouseIsUp:(BOOL)flag
{
[super stopTracking:lastPoint at:stopPoint inView:controlView mouseIsUp:flag];
- [[NSNotificationCenter defaultCenter] postNotificationName:kwxNSSliderStopTracking object:controlView];
+
+ wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(controlView);
+ if(slider)
+ slider->CocoaNotification_stopTracking(NULL);
}
@end
WX_IMPLEMENT_GET_OBJC_CLASS(WXNSSliderCell,NSSliderCell)
-// ============================================================================
-// @class wxNSSliderNotificationObserver
-// ============================================================================
-@interface wxNSSliderNotificationObserver : NSObject
-{
-}
-
-struct objc_object *wxCocoaNSSlider::sm_cocoaObserver = [[wxNSSliderNotificationObserver alloc] init];
-
-- (void)startTracking: (NSNotification *)notification;
-- (void)continueTracking: (NSNotification *)notification;
-- (void)stopTracking: (NSNotification *)notification;
-@end // interface wxNSSliderNotificationObserver
-
-@implementation wxNSSliderNotificationObserver : NSObject
-
-- (void)startTracking: (NSNotification *)notification;
-{
- wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa([notification object]);
- wxCHECK_RET(slider,wxT("startTracking received but no wxSlider exists"));
- slider->CocoaNotification_startTracking(notification);
-}
-
-- (void)continueTracking: (NSNotification *)notification;
-{
- wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa([notification object]);
- wxCHECK_RET(slider,wxT("continueTracking received but no wxSlider exists"));
- slider->CocoaNotification_continueTracking(notification);
-}
-
-- (void)stopTracking: (NSNotification *)notification;
-{
- wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa([notification object]);
- wxCHECK_RET(slider,wxT("stopTracking received but no wxSlider exists"));
- slider->CocoaNotification_stopTracking(notification);
-}
-
-@end // implementation wxNSSliderNotificationObserver
-
// ============================================================================
// class wxCocoaNSSlider
// ============================================================================
-const wxObjcAutoRefFromAlloc<struct objc_object*> wxCocoaNSSlider::sm_cocoaTarget = [[wxNSSliderTarget alloc] init];
+SEL wxCocoaNSSlider::sm_lastResponderSelector;
void wxCocoaNSSlider::AssociateNSSlider(WX_NSSlider cocoaNSSlider)
{
if(cocoaNSSlider)
{
sm_cocoaHash.insert(wxCocoaNSSliderHash::value_type(cocoaNSSlider,this));
- [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(startTracking:) name:kwxNSSliderStartTracking object:cocoaNSSlider];
- [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(continueTracking:) name:kwxNSSliderContinueTracking object:cocoaNSSlider];
- [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(stopTracking:) name:kwxNSSliderStopTracking object:cocoaNSSlider];
- [cocoaNSSlider setTarget:sm_cocoaTarget];
}
}
if(cocoaNSSlider)
{
sm_cocoaHash.erase(cocoaNSSlider);
- [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:kwxNSSliderStartTracking object:cocoaNSSlider];
- [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:kwxNSSliderContinueTracking object:cocoaNSSlider];
- [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:kwxNSSliderStopTracking object:cocoaNSSlider];
}
}
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