src/cocoa/NSSlider.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/cocoa/NSSlider.mm
   3 // Purpose:     wxCocoaNSSlider class
   4 // Author:      Mark Oxenham
   5 // Modified by: David Elliott
   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/NSSlider.h"
  19
  20 #import <Foundation/NSNotification.h>
  21 #import <Foundation/NSString.h>
  22 #import <AppKit/NSEvent.h>
  23 #include "wx/cocoa/objc/NSSlider.h"
  24
  25 WX_IMPLEMENT_OBJC_INTERFACE_HASHMAP(NSSlider)
  26
  27 // ============================================================================
  28 // @class wxNSSliderTarget
  29 // ============================================================================
  30 @interface wxNSSliderTarget : NSObject
  31 {
  32 }
  33
  34 - (void)wxNSSliderUpArrowKeyDown: (id)sender;
  35 - (void)wxNSSliderDownArrowKeyDown: (id)sender;
  36 - (void)wxNSSliderLeftArrowKeyDown: (id)sender;
  37 - (void)wxNSSliderRightArrowKeyDown: (id)sender;
  38 - (void)wxNSSliderPageUpKeyDown: (id)sender;
  39 - (void)wxNSSliderPageDownKeyDown: (id)sender;
  40 - (void)wxNSSliderMoveUp: (id)sender;
  41 - (void)wxNSSliderMoveDown: (id)sender;
  42 - (void)wxNSSliderMoveLeft: (id)sender;
  43 - (void)wxNSSliderMoveRight: (id)sender;
  44 - (void)wxNSSliderPageUp: (id)sender;
  45 - (void)wxNSSliderPageDown: (id)sender;
  46 @end // wxNSSliderTarget
  47
  48 @implementation wxNSSliderTarget : NSObject
  49
  50 - (void)wxNSSliderUpArrowKeyDown: (id)sender
  51 {
  52     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
  53     wxCHECK_RET(slider,wxT("wxNSSliderUpArrowKeyDown received without associated wx object"));
  54     slider->Cocoa_wxNSSliderUpArrowKeyDown();
  55 }
  56
  57 - (void)wxNSSliderDownArrowKeyDown: (id)sender
  58 {
  59     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
  60     wxCHECK_RET(slider,wxT("wxNSSliderDownArrowKeyDown received without associated wx object"));
  61     slider->Cocoa_wxNSSliderDownArrowKeyDown();
  62 }
  63
  64 - (void)wxNSSliderLeftArrowKeyDown: (id)sender
  65 {
  66     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
  67     wxCHECK_RET(slider,wxT("wxNSSliderLeftArrowKeyDown received without associated wx object"));
  68     slider->Cocoa_wxNSSliderLeftArrowKeyDown();
  69 }
  70
  71 - (void)wxNSSliderRightArrowKeyDown: (id)sender
  72 {
  73     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
  74     wxCHECK_RET(slider,wxT("wxNSSliderRightArrowKeyDown received without associated wx object"));
  75     slider->Cocoa_wxNSSliderRightArrowKeyDown();
  76 }
  77
  78 - (void)wxNSSliderPageUpKeyDown: (id)sender
  79 {
  80     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
  81     wxCHECK_RET(slider,wxT("wxNSSliderPageUpKeyDown received without associated wx object"));
  82     slider->Cocoa_wxNSSliderPageUpKeyDown();
  83 }
  84
  85 - (void)wxNSSliderPageDownKeyDown: (id)sender
  86 {
  87     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
  88     wxCHECK_RET(slider,wxT("wxNSSliderPageDownKeyDown received without associated wx object"));
  89     slider->Cocoa_wxNSSliderPageDownKeyDown();
  90 }
  91
  92 - (void)wxNSSliderMoveUp: (id)sender
  93 {
  94     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
  95     wxCHECK_RET(slider,wxT("wxNSSliderMoveUp received without associated wx object"));
  96     slider->Cocoa_wxNSSliderMoveUp();
  97 }
  98
  99 - (void)wxNSSliderMoveDown: (id)sender
 100 {
 101     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
 102     wxCHECK_RET(slider,wxT("wxNSSliderMoveDown received without associated wx object"));
 103     slider->Cocoa_wxNSSliderMoveDown();
 104 }
 105
 106 - (void)wxNSSliderMoveLeft: (id)sender
 107 {
 108     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
 109     wxCHECK_RET(slider,wxT("wxNSSliderMoveLeft received without associated wx object"));
 110     slider->Cocoa_wxNSSliderMoveLeft();
 111 }
 112
 113 - (void)wxNSSliderMoveRight: (id)sender
 114 {
 115     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
 116     wxCHECK_RET(slider,wxT("wxNSSliderMoveRight received without associated wx object"));
 117     slider->Cocoa_wxNSSliderMoveRight();
 118 }
 119
 120 - (void)wxNSSliderPageUp: (id)sender
 121 {
 122     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
 123     wxCHECK_RET(slider,wxT("wxNSSliderPageUp received without associated wx object"));
 124     slider->Cocoa_wxNSSliderPageUp();
 125 }
 126
 127 - (void)wxNSSliderPageDown: (id)sender
 128 {
 129     wxCocoaNSSlider *slider = wxCocoaNSSlider::GetFromCocoa(sender);
 130     wxCHECK_RET(slider,wxT("wxNSSliderPageDown received without associated wx object"));
 131     slider->Cocoa_wxNSSliderPageDown();
 132 }
 133
 134 @end // implementation wxNSSliderTarget
 135
 136 // ============================================================================
 137 // @class WXNSSlider
 138 // ============================================================================
 139
 140
 141 @implementation WXNSSlider : NSSlider
 142
 143 // Override to ensure that WXNSSlider gets created with a WXNSSliderCell
 144 + (Class)cellClass
 145 {
 146     return [WX_GET_OBJC_CLASS(WXNSSliderCell) class];
 147 }
 148
 149 - (void)keyDown:(NSEvent *)theEvent
 150 {
 151     SEL originalAction = [self action];
 152     SEL newAction = originalAction;
 153     NSString *theEventCharacters = [theEvent charactersIgnoringModifiers];
 154
 155     if ([theEventCharacters length] == 1)
 156     {
 157         switch ([theEventCharacters characterAtIndex:0])
 158         {
 159             case NSUpArrowFunctionKey:      newAction = @selector(wxNSSliderUpArrowKeyDown:);       break;
 160             case NSDownArrowFunctionKey:    newAction = @selector(wxNSSliderDownArrowKeyDown:);     break;
 161             case NSLeftArrowFunctionKey:    newAction = @selector(wxNSSliderLeftArrowKeyDown:);     break;
 162             case NSRightArrowFunctionKey:   newAction = @selector(wxNSSliderRightArrowKeyDown:);    break;
 163             case NSPageUpFunctionKey:       newAction = @selector(wxNSSliderPageUpKeyDown:);        break;
 164             case NSPageDownFunctionKey:     newAction = @selector(wxNSSliderPageDownKeyDown:);      break;
 165             default:                                                                                break;
 166         }
 167     }
 168
 169     [self setAction:newAction];
 170     [super keyDown:theEvent];
 171     [self setAction:originalAction];
 172 }
 173
 174 - (void)moveUp:(id)sender
 175 {
 176     SEL originalAction = [self action];
 177
 178     [self setAction:@selector(wxNSSliderMoveUp:)];
 179     [super moveUp:sender];
 180     [self setAction:originalAction];
 181 }
 182
 183 - (void)moveDown:(id)sender
 184 {
 185     SEL originalAction = [self action];
 186
 187     [self setAction:@selector(wxNSSliderMoveDown:)];
 188     [super moveDown:sender];
 189     [self setAction:originalAction];
 190 }
 191
 192 - (void)moveLeft:(id)sender
 193 {
 194     SEL originalAction = [self action];
 195
 196     [self setAction:@selector(wxNSSliderMoveLeft:)];
 197     [super moveLeft:sender];
 198     [self setAction:originalAction];
 199 }
 200
 201 - (void)moveRight:(id)sender
 202 {
 203     SEL originalAction = [self action];
 204
 205     [self setAction:@selector(wxNSSliderMoveRight:)];
 206     [super moveRight:sender];
 207     [self setAction:originalAction];
 208 }
 209
 210 - (void)pageUp:(id)sender
 211 {
 212     SEL originalAction = [self action];
 213
 214     [self setAction:@selector(wxNSSliderPageUp:)];
 215     [super pageUp:sender];
 216     [self setAction:originalAction];
 217 }
 218
 219 - (void)pageDown:(id)sender
 220 {
 221     SEL originalAction = [self action];
 222
 223     [self setAction:@selector(wxNSSliderPageDown:)];
 224     [super pageDown:sender];
 225     [self setAction:originalAction];
 226 }
 227
 228 @end
 229 WX_IMPLEMENT_GET_OBJC_CLASS(WXNSSlider,NSSlider)
 230
 231 // ============================================================================
 232 // @class WXNSSliderCell
 233 // ============================================================================
 234
 235 #define kwxNSSliderStartTracking    @"wxNSSliderStartTracking"
 236 #define kwxNSSliderContinueTracking @"wxNSSliderContinueTracking"
 237 #define kwxNSSliderStopTracking     @"wxNSSliderStopTracking"
 238
 239 @implementation WXNSSliderCell : NSSliderCell
 240 - (BOOL)startTrackingAt:(NSPoint)startPoint inView:(NSView *)controlView
 241 {
 242     BOOL result = [super startTrackingAt:startPoint inView:controlView];
 243     [[NSNotificationCenter defaultCenter] postNotificationName:kwxNSSliderStartTracking object:controlView];
 244     return result;
 245 }
 246
 247 - (BOOL)continueTracking:(NSPoint)lastPoint at:(NSPoint)currentPoint inView:(NSView *)controlView
 248 {
 249     BOOL result = [super continueTracking:lastPoint at:currentPoint inView:controlView];
 250     [[NSNotificationCenter defaultCenter] postNotificationName:kwxNSSliderContinueTracking object:controlView];
 251     return result;
 252 }
 253
 254 - (void)stopTracking:(NSPoint)lastPoint at:(NSPoint)stopPoint inView:(NSView *)controlView mouseIsUp:(BOOL)flag
 255 {
 256     [super stopTracking:lastPoint at:stopPoint inView:controlView mouseIsUp:flag];
 257     [[NSNotificationCenter defaultCenter] postNotificationName:kwxNSSliderStopTracking object:controlView];
 258 }
 259 @end
 260 WX_IMPLEMENT_GET_OBJC_CLASS(WXNSSliderCell,NSSliderCell)
 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 }