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: button.cpp 54845 2008-07-30 14:52:41Z SC $
   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     #include "wx/panel.h"
  18     #include "wx/toplevel.h"
  19     #include "wx/dcclient.h"
  20 #endif
  21
  22 #include "wx/stockitem.h"
  23
  24 #include "wx/osx/private.h"
  25
  26 wxSize wxButton::DoGetBestSize() const
  27 {
  28     if ( GetId() == wxID_HELP )
  29         return wxSize( 23 , 23 ) ;
  30
  31     wxSize sz = GetDefaultSize() ;
  32
  33     switch (GetWindowVariant())
  34     {
  35         case wxWINDOW_VARIANT_NORMAL:
  36         case wxWINDOW_VARIANT_LARGE:
  37             sz.y = 23 ;
  38             break;
  39
  40         case wxWINDOW_VARIANT_SMALL:
  41             sz.y = 17 ;
  42             break;
  43
  44         case wxWINDOW_VARIANT_MINI:
  45             sz.y = 15 ;
  46             break;
  47
  48         default:
  49             break;
  50     }
  51
  52     wxRect r ;
  53
  54     m_peer->GetBestRect(&r);
  55
  56     if ( r.GetWidth() == 0 && r.GetHeight() == 0 )
  57     {
  58     }
  59     sz.x = r.GetWidth();
  60     sz.y = r.GetHeight();
  61
  62     int wBtn = 96;
  63
  64     if ((wBtn > sz.x) || ( GetWindowStyle() & wxBU_EXACTFIT))
  65         sz.x = wBtn;
  66
  67 #if wxOSX_USE_CARBON
  68     Rect    bestsize = { 0 , 0 , 0 , 0 } ;
  69     m_peer->GetBestRect( &bestsize ) ;
  70
  71     int wBtn;
  72     if ( EmptyRect( &bestsize ) || ( GetWindowStyle() & wxBU_EXACTFIT) )
  73     {
  74         Point bounds;
  75
  76         ControlFontStyleRec controlFont;
  77         OSStatus err = m_peer->GetData<ControlFontStyleRec>( kControlEntireControl, kControlFontStyleTag, &controlFont );
  78         verify_noerr( err );
  79
  80         wxCFStringRef str( m_label,  GetFont().GetEncoding() );
  81
  82 #if wxOSX_USE_ATSU_TEXT
  83         SInt16 baseline;
  84         if ( m_font.MacGetThemeFontID() != kThemeCurrentPortFont )
  85         {
  86             err = GetThemeTextDimensions(
  87                 (!m_label.empty() ? (CFStringRef)str : CFSTR(" ")),
  88                 m_font.MacGetThemeFontID(), kThemeStateActive, false, &bounds, &baseline );
  89             verify_noerr( err );
  90         }
  91         else
  92 #endif
  93         {
  94             wxClientDC dc(const_cast<wxButton*>(this));
  95             wxCoord width, height ;
  96             dc.GetTextExtent( m_label , &width, &height);
  97             bounds.h = width;
  98             bounds.v = height;
  99         }
 100
 101         wBtn = bounds.h + sz.y;
 102     }
 103     else
 104     {
 105         wBtn = bestsize.right - bestsize.left ;
 106         // non 'normal' window variants don't return the correct height
 107         // sz.y = bestsize.bottom - bestsize.top ;
 108     }
 109     if ((wBtn > sz.x) || ( GetWindowStyle() & wxBU_EXACTFIT))
 110         sz.x = wBtn;
 111 #endif
 112
 113     return sz ;
 114 }
 115
 116 wxSize wxButton::GetDefaultSize()
 117 {
 118     int wBtn = 70 ;
 119     int hBtn = 20 ;
 120
 121     return wxSize(wBtn, hBtn);
 122 }
 123
 124 @implementation wxNSButton
 125
 126 + (void)initialize
 127 {
 128     static BOOL initialized = NO;
 129     if (!initialized)
 130     {
 131         initialized = YES;
 132         wxOSXCocoaClassAddWXMethods( self );
 133     }
 134 }
 135
 136 - (int) intValue
 137 {
 138     switch ( [self state] )
 139     {
 140         case NSOnState:
 141             return 1;
 142         case NSMixedState:
 143             return 2;
 144         default:
 145             return 0;
 146     }
 147 }
 148
 149 - (void) setIntValue: (int) v
 150 {
 151     switch( v )
 152     {
 153         case 2:
 154             [self setState:NSMixedState];
 155             break;
 156         case 1:
 157             [self setState:NSOnState];
 158             break;
 159         default :
 160             [self setState:NSOffState];
 161             break;
 162     }
 163 }
 164
 165 @end
 166
 167
 168 wxWidgetImplType* wxWidgetImpl::CreateButton( wxWindowMac* wxpeer,
 169                                     wxWindowMac* WXUNUSED(parent),
 170                                     wxWindowID id,
 171                                     const wxString& WXUNUSED(label),
 172                                     const wxPoint& pos,
 173                                     const wxSize& size,
 174                                     long WXUNUSED(style),
 175                                     long WXUNUSED(extraStyle))
 176 {
 177     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
 178     wxNSButton* v = [[wxNSButton alloc] initWithFrame:r];
 179
 180     if ( id == wxID_HELP )
 181     {
 182         [v setBezelStyle:NSHelpButtonBezelStyle];
 183     }
 184     else
 185     {
 186         [v setBezelStyle:NSRoundedBezelStyle];
 187     }
 188
 189     [v setButtonType:NSMomentaryPushInButton];
 190     wxWidgetCocoaImpl* c = new wxWidgetCocoaImpl( wxpeer, v );
 191     return c;
 192 /*
 193     OSStatus err;
 194     Rect bounds = wxMacGetBoundsForControl( wxpeer , pos , size ) ;
 195     wxMacControl* peer = new wxMacControl(wxpeer) ;
 196     if ( id == wxID_HELP )
 197     {
 198         ControlButtonContentInfo info ;
 199         info.contentType = kControlContentIconRef ;
 200         GetIconRef(kOnSystemDisk, kSystemIconsCreator, kHelpIcon, &info.u.iconRef);
 201         err = CreateRoundButtonControl(
 202             MAC_WXHWND(parent->MacGetTopLevelWindowRef()),
 203             &bounds, kControlRoundButtonNormalSize,
 204             &info, peer->GetControlRefAddr() );
 205     }
 206     else if ( label.Find('\n' ) == wxNOT_FOUND && label.Find('\r' ) == wxNOT_FOUND)
 207     {
 208         // Button height is static in Mac, can't be changed, so we need to force it here
 209         int maxHeight;
 210         switch (wxpeer->GetWindowVariant() )
 211         {
 212             case wxWINDOW_VARIANT_NORMAL:
 213             case wxWINDOW_VARIANT_LARGE:
 214                 maxHeight = 20 ;
 215                 break;
 216             case wxWINDOW_VARIANT_SMALL:
 217                 maxHeight = 17;
 218             case wxWINDOW_VARIANT_MINI:
 219                 maxHeight = 15;
 220             default:
 221                 break;
 222         }
 223         bounds.bottom = bounds.top + maxHeight ;
 224         wxpeer->SetMaxSize( wxSize( wxpeer->GetMaxWidth() , maxHeight ));
 225         err = CreatePushButtonControl(
 226             MAC_WXHWND(parent->MacGetTopLevelWindowRef()),
 227             &bounds, CFSTR(""), peer->GetControlRefAddr() );
 228     }
 229     else
 230     {
 231         ControlButtonContentInfo info ;
 232         info.contentType = kControlNoContent ;
 233         err = CreateBevelButtonControl(
 234             MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds, CFSTR(""),
 235             kControlBevelButtonLargeBevel, kControlBehaviorPushbutton,
 236             &info, 0, 0, 0, peer->GetControlRefAddr() );
 237     }
 238     verify_noerr( err );
 239     return peer;
 240     */
 241 }
 242
 243 void wxWidgetCocoaImpl::SetDefaultButton( bool isDefault )
 244 {
 245     if ( isDefault && [m_osxView isKindOfClass:[NSButton class]] )
 246         // NOTE: setKeyEquivalent: nil will trigger an assert
 247         // instead do not call in that case.
 248         [(NSButton*)m_osxView setKeyEquivalent: @"\r" ];
 249 }
 250
 251 void wxWidgetCocoaImpl::PerformClick()
 252 {
 253 }
 254
 255 //
 256 // wxDisclosureButton implementation
 257 //
 258
 259 @interface wxDisclosureNSButton : NSButton
 260 {
 261
 262     BOOL isOpen;
 263 }
 264
 265 - (void) updateImage;
 266
 267 - (void) toggle;
 268
 269 + (NSImage *)rotateImage: (NSImage *)image;
 270
 271 @end
 272
 273 @implementation wxDisclosureNSButton
 274
 275 + (void)initialize
 276 {
 277     static BOOL initialized = NO;
 278     if (!initialized)
 279     {
 280         initialized = YES;
 281         wxOSXCocoaClassAddWXMethods( self );
 282     }
 283 }
 284
 285 - (id) initWithFrame:(NSRect) frame
 286 {
 287     self = [super initWithFrame:frame];
 288     [self setBezelStyle:NSSmallSquareBezelStyle];
 289     isOpen = NO;
 290     [self setImagePosition:NSImageLeft];
 291     [self updateImage];
 292     return self;
 293 }
 294
 295 - (int) intValue
 296 {
 297     return isOpen ? 1 : 0;
 298 }
 299
 300 - (void) setIntValue: (int) v
 301 {
 302     isOpen = ( v != 0 );
 303     [self updateImage];
 304 }
 305
 306 - (void) toggle
 307 {
 308     isOpen = !isOpen;
 309     [self updateImage];
 310 }
 311
 312 wxCFRef<NSImage*> downArray ;
 313
 314 - (void) updateImage
 315 {
 316     if ( downArray.get() == NULL )
 317     {
 318         downArray.reset( [wxDisclosureNSButton rotateImage:[NSImage imageNamed:NSImageNameRightFacingTriangleTemplate]] );
 319     }
 320
 321     if ( isOpen )
 322         [self setImage:(NSImage*)downArray.get()];
 323     else
 324         [self setImage:[NSImage imageNamed:NSImageNameRightFacingTriangleTemplate]];
 325 }
 326
 327 + (NSImage *)rotateImage: (NSImage *)image
 328 {
 329     NSSize imageSize = [image size];
 330     NSSize newImageSize = NSMakeSize(imageSize.height, imageSize.width);
 331     NSImage* newImage = [[NSImage alloc] initWithSize: newImageSize];
 332
 333     [newImage lockFocus];
 334
 335     NSAffineTransform* tm = [NSAffineTransform transform];
 336     [tm translateXBy:newImageSize.width/2 yBy:newImageSize.height/2];
 337     [tm rotateByDegrees:-90];
 338     [tm translateXBy:-newImageSize.width/2 yBy:-newImageSize.height/2];
 339     [tm concat];
 340
 341
 342     [image drawInRect:NSMakeRect(0,0,newImageSize.width, newImageSize.height)
 343         fromRect:NSZeroRect operation:NSCompositeCopy fraction:1.0];
 344
 345     [newImage unlockFocus];
 346     return newImage;
 347 }
 348
 349 @end
 350
 351 class wxDisclosureTriangleCocoaImpl : public wxWidgetCocoaImpl
 352 {
 353 public :
 354     wxDisclosureTriangleCocoaImpl(wxWindowMac* peer , WXWidget w) :
 355         wxWidgetCocoaImpl(peer, w)
 356     {
 357     }
 358
 359     ~wxDisclosureTriangleCocoaImpl()
 360     {
 361     }
 362
 363     virtual void controlAction(WXWidget slf, void* _cmd, void *sender)
 364     {
 365         wxDisclosureNSButton* db = (wxDisclosureNSButton*)m_osxView;
 366         [db toggle];
 367         wxWidgetCocoaImpl::controlAction(slf, _cmd, sender );
 368     }
 369 };
 370
 371 wxWidgetImplType* wxWidgetImpl::CreateDisclosureTriangle( wxWindowMac* wxpeer,
 372                                     wxWindowMac* WXUNUSED(parent),
 373                                     wxWindowID WXUNUSED(id),
 374                                     const wxString& label,
 375                                     const wxPoint& pos,
 376                                     const wxSize& size,
 377                                     long WXUNUSED(style),
 378                                     long WXUNUSED(extraStyle))
 379 {
 380     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
 381     wxDisclosureNSButton* v = [[wxDisclosureNSButton alloc] initWithFrame:r];
 382     [v setTitle:wxCFStringRef( label).AsNSString()];
 383     wxDisclosureTriangleCocoaImpl* c = new wxDisclosureTriangleCocoaImpl( wxpeer, v );
 384     return c;
 385 }