src/osx/cocoa/button.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/cocoa/button.mm
   3 // Purpose:     wxButton
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #include "wx/button.h"
  15
  16 #ifndef WX_PRECOMP
  17 #endif
  18
  19 #include "wx/osx/private.h"
  20
  21 #if wxUSE_MARKUP
  22     #include "wx/osx/cocoa/private/markuptoattr.h"
  23 #endif // wxUSE_MARKUP
  24
  25
  26 @implementation wxNSButton
  27
  28 + (void)initialize
  29 {
  30     static BOOL initialized = NO;
  31     if (!initialized)
  32     {
  33         initialized = YES;
  34         wxOSXCocoaClassAddWXMethods( self );
  35     }
  36 }
  37
  38 - (int) intValue
  39 {
  40     switch ( [self state] )
  41     {
  42         case NSOnState:
  43             return 1;
  44         case NSMixedState:
  45             return 2;
  46         default:
  47             return 0;
  48     }
  49 }
  50
  51 - (void) setIntValue: (int) v
  52 {
  53     switch( v )
  54     {
  55         case 2:
  56             [self setState:NSMixedState];
  57             break;
  58         case 1:
  59             [self setState:NSOnState];
  60             break;
  61         default :
  62             [self setState:NSOffState];
  63             break;
  64     }
  65 }
  66
  67 - (void) setTrackingTag: (NSTrackingRectTag)tag
  68 {
  69     rectTag = tag;
  70 }
  71
  72 - (NSTrackingRectTag) trackingTag
  73 {
  74     return rectTag;
  75 }
  76
  77 @end
  78
  79 @interface NSView(PossibleSizeMethods)
  80 - (NSControlSize)controlSize;
  81 @end
  82
  83 namespace
  84 {
  85
  86 class wxButtonCocoaImpl : public wxWidgetCocoaImpl, public wxButtonImpl
  87 {
  88 public:
  89     wxButtonCocoaImpl(wxWindowMac *wxpeer, wxNSButton *v)
  90         : wxWidgetCocoaImpl(wxpeer, v)
  91     {
  92         SetNeedsFrame(false);
  93     }
  94
  95     virtual void SetBitmap(const wxBitmap& bitmap)
  96     {
  97         // switch bezel style for plain pushbuttons
  98         if ( bitmap.IsOk() && [GetNSButton() bezelStyle] == NSRoundedBezelStyle )
  99             [GetNSButton() setBezelStyle:NSRegularSquareBezelStyle ];
 100
 101         wxWidgetCocoaImpl::SetBitmap(bitmap);
 102     }
 103
 104 #if wxUSE_MARKUP
 105     virtual void SetLabelMarkup(const wxString& markup)
 106     {
 107         wxMarkupToAttrString toAttr(GetWXPeer(), markup);
 108         NSMutableAttributedString *attrString = toAttr.GetNSAttributedString();
 109
 110         // Button text is always centered.
 111         NSMutableParagraphStyle *
 112             paragraphStyle = [[NSMutableParagraphStyle alloc] init];
 113         [paragraphStyle setAlignment: NSCenterTextAlignment];
 114         [attrString addAttribute:NSParagraphStyleAttributeName
 115                     value:paragraphStyle
 116                     range:NSMakeRange(0, [attrString length])];
 117         [paragraphStyle release];
 118
 119         [GetNSButton() setAttributedTitle:attrString];
 120     }
 121 #endif // wxUSE_MARKUP
 122
 123     void SetPressedBitmap( const wxBitmap& bitmap )
 124     {
 125         NSButton* button = GetNSButton();
 126         [button setAlternateImage: bitmap.GetNSImage()];
 127         [button setButtonType:NSMomentaryChangeButton];
 128     }
 129
 130     void GetLayoutInset(int &left , int &top , int &right, int &bottom) const
 131     {
 132         left = top = right = bottom = 0;
 133         NSControlSize size = NSRegularControlSize;
 134         if ( [m_osxView respondsToSelector:@selector(controlSize)] )
 135             size = [m_osxView controlSize];
 136         else if ([m_osxView respondsToSelector:@selector(cell)])
 137         {
 138             id cell = [(id)m_osxView cell];
 139             if ([cell respondsToSelector:@selector(controlSize)])
 140                 size = [cell controlSize];
 141         }
 142
 143         if ( [GetNSButton() bezelStyle] == NSRoundedBezelStyle )
 144         {
 145             switch( size )
 146             {
 147                 case NSRegularControlSize:
 148                     left = right = 6;
 149                     top = 4;
 150                     bottom = 8;
 151                     break;
 152                 case NSSmallControlSize:
 153                     left = right = 5;
 154                     top = 4;
 155                     bottom = 7;
 156                     break;
 157                 case NSMiniControlSize:
 158                     left = right = 1;
 159                     top = 0;
 160                     bottom = 2;
 161                     break;
 162             }
 163         }
 164     }
 165
 166
 167 private:
 168     NSButton *GetNSButton() const
 169     {
 170         wxASSERT( [m_osxView isKindOfClass:[NSButton class]] );
 171
 172         return static_cast<NSButton *>(m_osxView);
 173     }
 174 };
 175
 176 } // anonymous namespace
 177
 178 extern "C" void SetBezelStyleFromBorderFlags(NSButton *v, long style);
 179
 180 // set bezel style depending on the wxBORDER_XXX flags specified by the style
 181 void SetBezelStyleFromBorderFlags(NSButton *v, long style)
 182 {
 183     if ( style & wxBORDER_NONE )
 184     {
 185         [v setBezelStyle:NSShadowlessSquareBezelStyle];
 186         [v setBordered:NO];
 187     }
 188     else // we do have a border
 189     {
 190         // see trac #11128 for a thorough discussion
 191         if ( (style & wxBORDER_MASK) == wxBORDER_RAISED )
 192             [v setBezelStyle:NSRegularSquareBezelStyle];
 193         else if ( (style & wxBORDER_MASK) == wxBORDER_SUNKEN )
 194             [v setBezelStyle:NSSmallSquareBezelStyle];
 195         else if ( (style & wxBORDER_MASK) == wxBORDER_SIMPLE )
 196             [v setBezelStyle:NSShadowlessSquareBezelStyle];
 197         else
 198             [v setBezelStyle:NSRegularSquareBezelStyle];
 199     }
 200 }
 201
 202
 203 wxWidgetImplType* wxWidgetImpl::CreateButton( wxWindowMac* wxpeer,
 204                                     wxWindowMac* WXUNUSED(parent),
 205                                     wxWindowID id,
 206                                     const wxString& label,
 207                                     const wxPoint& pos,
 208                                     const wxSize& size,
 209                                     long style,
 210                                     long WXUNUSED(extraStyle))
 211 {
 212     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
 213     wxNSButton* v = [[wxNSButton alloc] initWithFrame:r];
 214
 215     // We can't display a custom label inside a button with help bezel style so
 216     // we only use it if we are using the default label. wxButton itself checks
 217     // if the label is just "Help" in which case it discards it and passes us
 218     // an empty string.
 219     if ( id == wxID_HELP && label.empty() )
 220     {
 221         [v setBezelStyle:NSHelpButtonBezelStyle];
 222     }
 223     else
 224     {
 225         if ( style & wxBORDER_NONE )
 226         {
 227             [v setBezelStyle:NSShadowlessSquareBezelStyle];
 228             [v setBordered:NO];
 229         }
 230         else
 231         {
 232             // the following styles only exist for certain sizes, so avoid them for
 233             // multi-line
 234             if ( label.Find('\n' ) == wxNOT_FOUND && label.Find('\r' ) == wxNOT_FOUND)
 235             {
 236                 if ( (style & wxBORDER_MASK) == wxBORDER_RAISED )
 237                     [v setBezelStyle:NSRoundedBezelStyle];
 238                 else if ( (style & wxBORDER_MASK) == wxBORDER_SUNKEN )
 239                     [v setBezelStyle:NSTexturedRoundedBezelStyle];
 240                 else if ( (style & wxBORDER_MASK) == wxBORDER_SIMPLE )
 241                     [v setBezelStyle:NSShadowlessSquareBezelStyle];
 242                 else
 243                     [v setBezelStyle:NSRoundedBezelStyle];
 244             }
 245             else
 246             {
 247                 if ( (style & wxBORDER_MASK) == wxBORDER_RAISED )
 248                     [v setBezelStyle:NSRegularSquareBezelStyle];
 249                 else if ( (style & wxBORDER_MASK) == wxBORDER_SUNKEN )
 250                     [v setBezelStyle:NSSmallSquareBezelStyle];
 251                 else if ( (style & wxBORDER_MASK) == wxBORDER_SIMPLE )
 252                     [v setBezelStyle:NSShadowlessSquareBezelStyle];
 253                 else
 254                     [v setBezelStyle:NSRegularSquareBezelStyle];
 255             }
 256
 257         }
 258     }
 259
 260     [v setButtonType:NSMomentaryPushInButton];
 261     return new wxButtonCocoaImpl( wxpeer, v );
 262 }
 263
 264 void wxWidgetCocoaImpl::SetDefaultButton( bool isDefault )
 265 {
 266     if ( [m_osxView isKindOfClass:[NSButton class]] )
 267     {
 268         if ( isDefault )
 269             [(NSButton*)m_osxView setKeyEquivalent: @"\r" ];
 270         else
 271             [(NSButton*)m_osxView setKeyEquivalent: @"" ];
 272     }
 273 }
 274
 275 void wxWidgetCocoaImpl::PerformClick()
 276 {
 277     if ([m_osxView isKindOfClass:[NSControl class]])
 278         [(NSControl*)m_osxView performClick:nil];
 279 }
 280
 281 #if wxUSE_BMPBUTTON
 282
 283 wxWidgetImplType* wxWidgetImpl::CreateBitmapButton( wxWindowMac* wxpeer,
 284                                                    wxWindowMac* WXUNUSED(parent),
 285                                                    wxWindowID WXUNUSED(id),
 286                                                    const wxBitmap& bitmap,
 287                                                    const wxPoint& pos,
 288                                                    const wxSize& size,
 289                                                    long style,
 290                                                    long WXUNUSED(extraStyle))
 291 {
 292     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
 293     wxNSButton* v = [[wxNSButton alloc] initWithFrame:r];
 294
 295     SetBezelStyleFromBorderFlags(v, style);
 296
 297     if (bitmap.IsOk())
 298         [v setImage:bitmap.GetNSImage() ];
 299
 300     [v setButtonType:NSMomentaryPushInButton];
 301     wxWidgetCocoaImpl* c = new wxButtonCocoaImpl( wxpeer, v );
 302     return c;
 303 }
 304
 305 #endif // wxUSE_BMPBUTTON
 306
 307 //
 308 // wxDisclosureButton implementation
 309 //
 310
 311 @interface wxDisclosureNSButton : NSButton
 312 {
 313
 314     BOOL isOpen;
 315 }
 316
 317 - (void) updateImage;
 318
 319 - (void) toggle;
 320
 321 + (NSImage *)rotateImage: (NSImage *)image;
 322
 323 @end
 324
 325 static const char * disc_triangle_xpm[] = {
 326 "10 9 4 1",
 327 "   c None",
 328 ".  c #737373",
 329 "+  c #989898",
 330 "-  c #c6c6c6",
 331 " .-       ",
 332 " ..+-     ",
 333 " ....+    ",
 334 " ......-  ",
 335 " .......- ",
 336 " ......-  ",
 337 " ....+    ",
 338 " ..+-     ",
 339 " .-       ",
 340 };
 341
 342 @implementation wxDisclosureNSButton
 343
 344 + (void)initialize
 345 {
 346     static BOOL initialized = NO;
 347     if (!initialized)
 348     {
 349         initialized = YES;
 350         wxOSXCocoaClassAddWXMethods( self );
 351     }
 352 }
 353
 354 - (id) initWithFrame:(NSRect) frame
 355 {
 356     self = [super initWithFrame:frame];
 357     isOpen = NO;
 358     [self setImagePosition:NSImageLeft];
 359     [self updateImage];
 360     return self;
 361 }
 362
 363 - (int) intValue
 364 {
 365     return isOpen ? 1 : 0;
 366 }
 367
 368 - (void) setIntValue: (int) v
 369 {
 370     isOpen = ( v != 0 );
 371     [self updateImage];
 372 }
 373
 374 - (void) toggle
 375 {
 376     isOpen = !isOpen;
 377     [self updateImage];
 378 }
 379
 380 wxCFRef<NSImage*> downArray ;
 381
 382 - (void) updateImage
 383 {
 384     static wxBitmap trianglebm(disc_triangle_xpm);
 385     if ( downArray.get() == NULL )
 386     {
 387         downArray.reset( [[wxDisclosureNSButton rotateImage:trianglebm.GetNSImage()] retain] );
 388     }
 389
 390     if ( isOpen )
 391         [self setImage:(NSImage*)downArray.get()];
 392     else
 393         [self setImage:trianglebm.GetNSImage()];
 394 }
 395
 396 + (NSImage *)rotateImage: (NSImage *)image
 397 {
 398     NSSize imageSize = [image size];
 399     NSSize newImageSize = NSMakeSize(imageSize.height, imageSize.width);
 400     NSImage* newImage = [[NSImage alloc] initWithSize: newImageSize];
 401
 402     [newImage lockFocus];
 403
 404     NSAffineTransform* tm = [NSAffineTransform transform];
 405     [tm translateXBy:newImageSize.width/2 yBy:newImageSize.height/2];
 406     [tm rotateByDegrees:-90];
 407     [tm translateXBy:-newImageSize.width/2 yBy:-newImageSize.height/2];
 408     [tm concat];
 409
 410
 411     [image drawInRect:NSMakeRect(0,0,newImageSize.width, newImageSize.height)
 412         fromRect:NSZeroRect operation:NSCompositeCopy fraction:1.0];
 413
 414     [newImage unlockFocus];
 415     return [newImage autorelease];
 416 }
 417
 418 @end
 419
 420 class wxDisclosureTriangleCocoaImpl : public wxWidgetCocoaImpl
 421 {
 422 public :
 423     wxDisclosureTriangleCocoaImpl(wxWindowMac* peer , WXWidget w) :
 424         wxWidgetCocoaImpl(peer, w)
 425     {
 426     }
 427
 428     ~wxDisclosureTriangleCocoaImpl()
 429     {
 430     }
 431
 432     virtual void controlAction(WXWidget slf, void* _cmd, void *sender)
 433     {
 434         wxDisclosureNSButton* db = (wxDisclosureNSButton*)m_osxView;
 435         [db toggle];
 436         wxWidgetCocoaImpl::controlAction(slf, _cmd, sender );
 437     }
 438 };
 439
 440 wxWidgetImplType* wxWidgetImpl::CreateDisclosureTriangle( wxWindowMac* wxpeer,
 441                                     wxWindowMac* WXUNUSED(parent),
 442                                     wxWindowID WXUNUSED(winid),
 443                                     const wxString& label,
 444                                     const wxPoint& pos,
 445                                     const wxSize& size,
 446                                     long style,
 447                                     long WXUNUSED(extraStyle))
 448 {
 449     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
 450     wxDisclosureNSButton* v = [[wxDisclosureNSButton alloc] initWithFrame:r];
 451     if ( !label.empty() )
 452         [v setTitle:wxCFStringRef(label).AsNSString()];
 453
 454     SetBezelStyleFromBorderFlags(v, style);
 455
 456     return new wxDisclosureTriangleCocoaImpl( wxpeer, v );
 457 }