src/cocoa/NSSlider.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/cocoa/NSSlider.mm
   3 // Purpose:     wxCocoaNSSlider class
   4 // Author:      Mark Oxenham
   5 // Modified by:
   6 // Created:     2007/08/10
   7 // RCS-ID:      $Id: $
   8 // Copyright:   (c) 2007 Software 2000 Ltd. All rights reserved.
   9 // Licence:     wxWidgets licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #ifndef WX_PRECOMP
  15     #include "wx/log.h"
  16 #endif // WX_PRECOMP
  17
  18 #include "wx/cocoa/ObjcPose.h"
  19 #include "wx/cocoa/NSSlider.h"
  20
  21 #import <Foundation/NSNotification.h>
  22 #import <Foundation/NSString.h>
  23 #import <AppKit/NSEvent.h>
  24 #import <AppKit/NSSlider.h>
  25
  26 WX_IMPLEMENT_OBJC_INTERFACE_HASHMAP(NSSlider)
  27
  28 // ============================================================================
  29 // @class wxNSSliderTarget
  30 // ============================================================================
  31 @interface wxNSSliderTarget : NSObject
  32 {
  33 }
  34
  35 - (void)wxNSSliderUpArrowKeyDown: (id)sender;
  36 - (void)wxNSSliderDownArrowKeyDown: (id)sender;
  37 - (void)wxNSSliderLeftArrowKeyDown: (id)sender;
  38 - (void)wxNSSliderRightArrowKeyDown: (id)sender;
  39 - (void)wxNSSliderPageUpKeyDown: (id)sender;
  40 - (void)wxNSSliderPageDownKeyDown: (id)sender;
  41 - (void)wxNSSliderMoveUp: (id)sender;
  42 - (void)wxNSSliderMoveDown: (id)sender;
  43 - (void)wxNSSliderMoveLeft: (id)sender;
  44 - (void)wxNSSliderMoveRight: (id)sender;
  45 - (void)wxNSSliderPageUp: (id)sender;
  46 - (void)wxNSSliderPageDown: (id)sender;
  47 @end // wxNSSliderTarget
  48
  49 @implementation wxNSSliderTarget : NSObject
  50
  51 - (void)wxNSSliderUpArrowKeyDown: (id)sender
  52 {
  53     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
  54     wxCHECK_RET(slider,wxT("wxNSSliderUpArrowKeyDown received without associated wx object"));
  55     slider->Cocoa_wxNSSliderUpArrowKeyDown();
  56 }
  57
  58 - (void)wxNSSliderDownArrowKeyDown: (id)sender
  59 {
  60     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
  61     wxCHECK_RET(slider,wxT("wxNSSliderDownArrowKeyDown received without associated wx object"));
  62     slider->Cocoa_wxNSSliderDownArrowKeyDown();
  63 }
  64
  65 - (void)wxNSSliderLeftArrowKeyDown: (id)sender
  66 {
  67     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
  68     wxCHECK_RET(slider,wxT("wxNSSliderLeftArrowKeyDown received without associated wx object"));
  69     slider->Cocoa_wxNSSliderLeftArrowKeyDown();
  70 }
  71
  72 - (void)wxNSSliderRightArrowKeyDown: (id)sender
  73 {
  74     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
  75     wxCHECK_RET(slider,wxT("wxNSSliderRightArrowKeyDown received without associated wx object"));
  76     slider->Cocoa_wxNSSliderRightArrowKeyDown();
  77 }
  78
  79 - (void)wxNSSliderPageUpKeyDown: (id)sender
  80 {
  81     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
  82     wxCHECK_RET(slider,wxT("wxNSSliderPageUpKeyDown received without associated wx object"));
  83     slider->Cocoa_wxNSSliderPageUpKeyDown();
  84 }
  85
  86 - (void)wxNSSliderPageDownKeyDown: (id)sender
  87 {
  88     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
  89     wxCHECK_RET(slider,wxT("wxNSSliderPageDownKeyDown received without associated wx object"));
  90     slider->Cocoa_wxNSSliderPageDownKeyDown();
  91 }
  92
  93 - (void)wxNSSliderMoveUp: (id)sender
  94 {
  95     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
  96     wxCHECK_RET(slider,wxT("wxNSSliderMoveUp received without associated wx object"));
  97     slider->Cocoa_wxNSSliderMoveUp();
  98 }
  99
 100 - (void)wxNSSliderMoveDown: (id)sender
 101 {
 102     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
 103     wxCHECK_RET(slider,wxT("wxNSSliderMoveDown received without associated wx object"));
 104     slider->Cocoa_wxNSSliderMoveDown();
 105 }
 106
 107 - (void)wxNSSliderMoveLeft: (id)sender
 108 {
 109     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
 110     wxCHECK_RET(slider,wxT("wxNSSliderMoveLeft received without associated wx object"));
 111     slider->Cocoa_wxNSSliderMoveLeft();
 112 }
 113
 114 - (void)wxNSSliderMoveRight: (id)sender
 115 {
 116     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
 117     wxCHECK_RET(slider,wxT("wxNSSliderMoveRight received without associated wx object"));
 118     slider->Cocoa_wxNSSliderMoveRight();
 119 }
 120
 121 - (void)wxNSSliderPageUp: (id)sender
 122 {
 123     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
 124     wxCHECK_RET(slider,wxT("wxNSSliderPageUp received without associated wx object"));
 125     slider->Cocoa_wxNSSliderPageUp();
 126 }
 127
 128 - (void)wxNSSliderPageDown: (id)sender
 129 {
 130     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
 131     wxCHECK_RET(slider,wxT("wxNSSliderPageDown received without associated wx object"));
 132     slider->Cocoa_wxNSSliderPageDown();
 133 }
 134
 135 @end // implementation wxNSSliderTarget
 136
 137 // ============================================================================
 138 // @class wxPoserNSSlider
 139 // ============================================================================
 140
 141 @interface wxPoserNSSlider : NSSlider
 142 @end
 143
 144 WX_IMPLEMENT_POSER(wxPoserNSSlider);
 145 @implementation wxPoserNSSlider : NSSlider
 146
 147 - (void)keyDown:(NSEvent *)theEvent
 148 {
 149     SEL originalAction = [self action];
 150     SEL newAction = originalAction;
 151     NSString *theEventCharacters = [theEvent charactersIgnoringModifiers];
 152
 153     if ([theEventCharacters length] == 1)
 154     {
 155         switch ([theEventCharacters characterAtIndex:0])
 156         {
 157             case NSUpArrowFunctionKey:      newAction = @selector(wxNSSliderUpArrowKeyDown:);       break;
 158             case NSDownArrowFunctionKey:    newAction = @selector(wxNSSliderDownArrowKeyDown:);     break;
 159             case NSLeftArrowFunctionKey:    newAction = @selector(wxNSSliderLeftArrowKeyDown:);     break;
 160             case NSRightArrowFunctionKey:   newAction = @selector(wxNSSliderRightArrowKeyDown:);    break;
 161             case NSPageUpFunctionKey:       newAction = @selector(wxNSSliderPageUpKeyDown:);        break;
 162             case NSPageDownFunctionKey:     newAction = @selector(wxNSSliderPageDownKeyDown:);      break;
 163             default:                                                                                break;
 164         }
 165     }
 166
 167     [self setAction:newAction];
 168     [super keyDown:theEvent];
 169     [self setAction:originalAction];
 170 }
 171
 172 - (void)moveUp:(id)sender
 173 {
 174     SEL originalAction = [self action];
 175
 176     [self setAction:@selector(wxNSSliderMoveUp:)];
 177     [super moveUp:sender];
 178     [self setAction:originalAction];
 179 }
 180
 181 - (void)moveDown:(id)sender
 182 {
 183     SEL originalAction = [self action];
 184
 185     [self setAction:@selector(wxNSSliderMoveDown:)];
 186     [super moveDown:sender];
 187     [self setAction:originalAction];
 188 }
 189
 190 - (void)moveLeft:(id)sender
 191 {
 192     SEL originalAction = [self action];
 193
 194     [self setAction:@selector(wxNSSliderMoveLeft:)];
 195     [super moveLeft:sender];
 196     [self setAction:originalAction];
 197 }
 198
 199 - (void)moveRight:(id)sender
 200 {
 201     SEL originalAction = [self action];
 202
 203     [self setAction:@selector(wxNSSliderMoveRight:)];
 204     [super moveRight:sender];
 205     [self setAction:originalAction];
 206 }
 207
 208 - (void)pageUp:(id)sender
 209 {
 210     SEL originalAction = [self action];
 211
 212     [self setAction:@selector(wxNSSliderPageUp:)];
 213     [super pageUp:sender];
 214     [self setAction:originalAction];
 215 }
 216
 217 - (void)pageDown:(id)sender
 218 {
 219     SEL originalAction = [self action];
 220
 221     [self setAction:@selector(wxNSSliderPageDown:)];
 222     [super pageDown:sender];
 223     [self setAction:originalAction];
 224 }
 225
 226 @end
 227
 228 // ============================================================================
 229 // @class wxPoserNSSliderCell
 230 // ============================================================================
 231
 232 #define kwxNSSliderStartTracking    @"wxNSSliderStartTracking"
 233 #define kwxNSSliderContinueTracking @"wxNSSliderContinueTracking"
 234 #define kwxNSSliderStopTracking     @"wxNSSliderStopTracking"
 235
 236 @interface wxPoserNSSliderCell : NSSliderCell
 237 @end
 238
 239 WX_IMPLEMENT_POSER(wxPoserNSSliderCell);
 240 @implementation wxPoserNSSliderCell : NSSliderCell
 241 - (BOOL)startTrackingAt:(NSPoint)startPoint inView:(NSView *)controlView
 242 {
 243     BOOL result = [super startTrackingAt:startPoint inView:controlView];
 244     [[NSNotificationCenter defaultCenter] postNotificationName:kwxNSSliderStartTracking object:controlView];
 245     return result;
 246 }
 247
 248 - (BOOL)continueTracking:(NSPoint)lastPoint at:(NSPoint)currentPoint inView:(NSView *)controlView
 249 {
 250     BOOL result = [super continueTracking:lastPoint at:currentPoint inView:controlView];
 251     [[NSNotificationCenter defaultCenter] postNotificationName:kwxNSSliderContinueTracking object:controlView];
 252     return result;
 253 }
 254
 255 - (void)stopTracking:(NSPoint)lastPoint at:(NSPoint)stopPoint inView:(NSView *)controlView mouseIsUp:(BOOL)flag
 256 {
 257     [super stopTracking:lastPoint at:stopPoint inView:controlView mouseIsUp:flag];
 258     [[NSNotificationCenter defaultCenter] postNotificationName:kwxNSSliderStopTracking object:controlView];
 259 }
 260 @end
 261
 262 // ============================================================================
 263 // @class wxNSSliderNotificationObserver
 264 // ============================================================================
 265 @interface wxNSSliderNotificationObserver : NSObject
 266 {
 267 }
 268
 269 struct objc_object *wxCocoaNSSlider::sm_cocoaObserver = [[wxNSSliderNotificationObserver alloc] init];
 270
 271 - (void)startTracking: (NSNotification *)notification;
 272 - (void)continueTracking: (NSNotification *)notification;
 273 - (void)stopTracking: (NSNotification *)notification;
 274 @end // interface wxNSSliderNotificationObserver
 275
 276 @implementation wxNSSliderNotificationObserver : NSObject
 277
 278 - (void)startTracking: (NSNotification *)notification;
 279 {
 280     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa([notification object]);
 281     wxCHECK_RET(slider,wxT("startTracking received but no wxSlider exists"));
 282     slider->CocoaNotification_startTracking(notification);
 283 }
 284
 285 - (void)continueTracking: (NSNotification *)notification;
 286 {
 287     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa([notification object]);
 288     wxCHECK_RET(slider,wxT("continueTracking received but no wxSlider exists"));
 289     slider->CocoaNotification_continueTracking(notification);
 290 }
 291
 292 - (void)stopTracking: (NSNotification *)notification;
 293 {
 294     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa([notification object]);
 295     wxCHECK_RET(slider,wxT("stopTracking received but no wxSlider exists"));
 296     slider->CocoaNotification_stopTracking(notification);
 297 }
 298
 299 @end // implementation wxNSSliderNotificationObserver
 300
 301 // ============================================================================
 302 // class wxCocoaNSSlider
 303 // ============================================================================
 304 const wxObjcAutoRefFromAlloc<struct objc_object*> wxCocoaNSSlider::sm_cocoaTarget = [[wxNSSliderTarget alloc] init];
 305
 306
 307 void wxCocoaNSSlider::AssociateNSSlider(WX_NSSlider cocoaNSSlider)
 308 {
 309     if(cocoaNSSlider)
 310     {
 311         sm_cocoaHash.insert(wxCocoaNSSliderHash::value_type(cocoaNSSlider,this));
 312         [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(startTracking:) name:kwxNSSliderStartTracking object:cocoaNSSlider];
 313         [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(continueTracking:) name:kwxNSSliderContinueTracking object:cocoaNSSlider];
 314         [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(stopTracking:) name:kwxNSSliderStopTracking object:cocoaNSSlider];
 315         [cocoaNSSlider setTarget:sm_cocoaTarget];
 316     }
 317 }
 318
 319 void wxCocoaNSSlider::DisassociateNSSlider(WX_NSSlider cocoaNSSlider)
 320 {
 321     if(cocoaNSSlider)
 322     {
 323         sm_cocoaHash.erase(cocoaNSSlider);
 324         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:kwxNSSliderStartTracking object:cocoaNSSlider];
 325         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:kwxNSSliderContinueTracking object:cocoaNSSlider];
 326         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:kwxNSSliderStopTracking object:cocoaNSSlider];
 327     }
 328 }