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 #endif
  18
  19 #include "wx/osx/private.h"
  20
  21 wxSize wxButton::DoGetBestSize() const
  22 {
  23     if ( GetId() == wxID_HELP )
  24         return wxSize( 23 , 23 ) ;
  25
  26     wxRect r ;
  27     m_peer->GetBestRect(&r);
  28
  29     wxSize sz = r.GetSize();
  30
  31     const int wBtnStd = GetDefaultSize().x;
  32
  33     if ( (sz.x < wBtnStd) && !HasFlag(wxBU_EXACTFIT) )
  34         sz.x = wBtnStd;
  35
  36     return sz ;
  37 }
  38
  39 wxSize wxButton::GetDefaultSize()
  40 {
  41     return wxSize(84, 23);
  42 }
  43
  44 @implementation wxNSButton
  45
  46 + (void)initialize
  47 {
  48     static BOOL initialized = NO;
  49     if (!initialized)
  50     {
  51         initialized = YES;
  52         wxOSXCocoaClassAddWXMethods( self );
  53     }
  54 }
  55
  56 - (int) intValue
  57 {
  58     switch ( [self state] )
  59     {
  60         case NSOnState:
  61             return 1;
  62         case NSMixedState:
  63             return 2;
  64         default:
  65             return 0;
  66     }
  67 }
  68
  69 - (void) setIntValue: (int) v
  70 {
  71     switch( v )
  72     {
  73         case 2:
  74             [self setState:NSMixedState];
  75             break;
  76         case 1:
  77             [self setState:NSOnState];
  78             break;
  79         default :
  80             [self setState:NSOffState];
  81             break;
  82     }
  83 }
  84
  85 @end
  86
  87 namespace
  88 {
  89
  90 class wxButtonCocoaImpl : public wxWidgetCocoaImpl
  91 {
  92 public:
  93     wxButtonCocoaImpl(wxWindowMac *wxpeer, wxNSButton *v)
  94         : wxWidgetCocoaImpl(wxpeer, v)
  95     {
  96     }
  97
  98     virtual void SetBitmap(const wxBitmap& bitmap)
  99     {
 100         [GetNSButton() setBezelStyle:bitmap.IsOk() ? NSRegularSquareBezelStyle
 101                                                    : NSRoundedBezelStyle];
 102
 103         wxWidgetCocoaImpl::SetBitmap(bitmap);
 104     }
 105
 106 private:
 107     NSButton *GetNSButton() const
 108     {
 109         wxASSERT( [m_osxView isKindOfClass:[NSButton class]] );
 110
 111         return static_cast<NSButton *>(m_osxView);
 112     }
 113 };
 114
 115 } // anonymous namespace
 116
 117 wxWidgetImplType* wxWidgetImpl::CreateButton( wxWindowMac* wxpeer,
 118                                     wxWindowMac* WXUNUSED(parent),
 119                                     wxWindowID id,
 120                                     const wxString& WXUNUSED(label),
 121                                     const wxPoint& pos,
 122                                     const wxSize& size,
 123                                     long WXUNUSED(style),
 124                                     long WXUNUSED(extraStyle))
 125 {
 126     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
 127     wxNSButton* v = [[wxNSButton alloc] initWithFrame:r];
 128
 129     if ( id == wxID_HELP )
 130     {
 131         [v setBezelStyle:NSHelpButtonBezelStyle];
 132     }
 133     else
 134     {
 135         [v setBezelStyle:NSRoundedBezelStyle];
 136     }
 137
 138     [v setButtonType:NSMomentaryPushInButton];
 139     return new wxButtonCocoaImpl( wxpeer, v );
 140 }
 141
 142 void wxWidgetCocoaImpl::SetDefaultButton( bool isDefault )
 143 {
 144     if ( isDefault && [m_osxView isKindOfClass:[NSButton class]] )
 145         // NOTE: setKeyEquivalent: nil will trigger an assert
 146         // instead do not call in that case.
 147         [(NSButton*)m_osxView setKeyEquivalent: @"\r" ];
 148 }
 149
 150 void wxWidgetCocoaImpl::PerformClick()
 151 {
 152     if ([m_osxView isKindOfClass:[NSControl class]])
 153         [(NSControl*)m_osxView performClick:nil];
 154 }
 155
 156 //
 157 // wxDisclosureButton implementation
 158 //
 159
 160 @interface wxDisclosureNSButton : NSButton
 161 {
 162
 163     BOOL isOpen;
 164 }
 165
 166 - (void) updateImage;
 167
 168 - (void) toggle;
 169
 170 + (NSImage *)rotateImage: (NSImage *)image;
 171
 172 @end
 173
 174 static const char * disc_triangle_xpm[] = {
 175 "10 9 4 1",
 176 "   c None",
 177 ".  c #737373",
 178 "+  c #989898",
 179 "-  c #c6c6c6",
 180 " .-       ",
 181 " ..+-     ",
 182 " ....+    ",
 183 " ......-  ",
 184 " .......- ",
 185 " ......-  ",
 186 " ....+    ",
 187 " ..+-     ",
 188 " .-       ",
 189 };
 190
 191 @implementation wxDisclosureNSButton
 192
 193 + (void)initialize
 194 {
 195     static BOOL initialized = NO;
 196     if (!initialized)
 197     {
 198         initialized = YES;
 199         wxOSXCocoaClassAddWXMethods( self );
 200     }
 201 }
 202
 203 - (id) initWithFrame:(NSRect) frame
 204 {
 205     self = [super initWithFrame:frame];
 206     [self setBezelStyle:NSSmallSquareBezelStyle];
 207     isOpen = NO;
 208     [self setImagePosition:NSImageLeft];
 209     [self updateImage];
 210     return self;
 211 }
 212
 213 - (int) intValue
 214 {
 215     return isOpen ? 1 : 0;
 216 }
 217
 218 - (void) setIntValue: (int) v
 219 {
 220     isOpen = ( v != 0 );
 221     [self updateImage];
 222 }
 223
 224 - (void) toggle
 225 {
 226     isOpen = !isOpen;
 227     [self updateImage];
 228 }
 229
 230 wxCFRef<NSImage*> downArray ;
 231
 232 - (void) updateImage
 233 {
 234     static wxBitmap trianglebm(disc_triangle_xpm);
 235     if ( downArray.get() == NULL )
 236     {
 237         downArray.reset( [wxDisclosureNSButton rotateImage:trianglebm.GetNSImage()] );
 238     }
 239
 240     if ( isOpen )
 241         [self setImage:(NSImage*)downArray.get()];
 242     else
 243         [self setImage:trianglebm.GetNSImage()];
 244 }
 245
 246 + (NSImage *)rotateImage: (NSImage *)image
 247 {
 248     NSSize imageSize = [image size];
 249     NSSize newImageSize = NSMakeSize(imageSize.height, imageSize.width);
 250     NSImage* newImage = [[NSImage alloc] initWithSize: newImageSize];
 251
 252     [newImage lockFocus];
 253
 254     NSAffineTransform* tm = [NSAffineTransform transform];
 255     [tm translateXBy:newImageSize.width/2 yBy:newImageSize.height/2];
 256     [tm rotateByDegrees:-90];
 257     [tm translateXBy:-newImageSize.width/2 yBy:-newImageSize.height/2];
 258     [tm concat];
 259
 260
 261     [image drawInRect:NSMakeRect(0,0,newImageSize.width, newImageSize.height)
 262         fromRect:NSZeroRect operation:NSCompositeCopy fraction:1.0];
 263
 264     [newImage unlockFocus];
 265     return newImage;
 266 }
 267
 268 @end
 269
 270 class wxDisclosureTriangleCocoaImpl : public wxWidgetCocoaImpl
 271 {
 272 public :
 273     wxDisclosureTriangleCocoaImpl(wxWindowMac* peer , WXWidget w) :
 274         wxWidgetCocoaImpl(peer, w)
 275     {
 276     }
 277
 278     ~wxDisclosureTriangleCocoaImpl()
 279     {
 280     }
 281
 282     virtual void controlAction(WXWidget slf, void* _cmd, void *sender)
 283     {
 284         wxDisclosureNSButton* db = (wxDisclosureNSButton*)m_osxView;
 285         [db toggle];
 286         wxWidgetCocoaImpl::controlAction(slf, _cmd, sender );
 287     }
 288 };
 289
 290 wxWidgetImplType* wxWidgetImpl::CreateDisclosureTriangle( wxWindowMac* wxpeer,
 291                                     wxWindowMac* WXUNUSED(parent),
 292                                     wxWindowID WXUNUSED(id),
 293                                     const wxString& label,
 294                                     const wxPoint& pos,
 295                                     const wxSize& size,
 296                                     long WXUNUSED(style),
 297                                     long WXUNUSED(extraStyle))
 298 {
 299     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
 300     wxDisclosureNSButton* v = [[wxDisclosureNSButton alloc] initWithFrame:r];
 301     [v setTitle:wxCFStringRef( label).AsNSString()];
 302     wxDisclosureTriangleCocoaImpl* c = new wxDisclosureTriangleCocoaImpl( wxpeer, v );
 303     return c;
 304 }