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 - (void) setTrackingTag: (NSTrackingRectTag)tag
  86 {
  87     rectTag = tag;
  88 }
  89
  90 - (NSTrackingRectTag) trackingTag
  91 {
  92     return rectTag;
  93 }
  94
  95 @end
  96
  97 namespace
  98 {
  99
 100 class wxButtonCocoaImpl : public wxWidgetCocoaImpl
 101 {
 102 public:
 103     wxButtonCocoaImpl(wxWindowMac *wxpeer, wxNSButton *v)
 104         : wxWidgetCocoaImpl(wxpeer, v)
 105     {
 106     }
 107
 108     virtual void SetBitmap(const wxBitmap& bitmap)
 109     {
 110         [GetNSButton() setBezelStyle:bitmap.IsOk() ? NSRegularSquareBezelStyle
 111                                                    : NSRoundedBezelStyle];
 112
 113         wxWidgetCocoaImpl::SetBitmap(bitmap);
 114     }
 115
 116 private:
 117     NSButton *GetNSButton() const
 118     {
 119         wxASSERT( [m_osxView isKindOfClass:[NSButton class]] );
 120
 121         return static_cast<NSButton *>(m_osxView);
 122     }
 123 };
 124
 125 } // anonymous namespace
 126
 127 wxWidgetImplType* wxWidgetImpl::CreateButton( wxWindowMac* wxpeer,
 128                                     wxWindowMac* WXUNUSED(parent),
 129                                     wxWindowID id,
 130                                     const wxString& WXUNUSED(label),
 131                                     const wxPoint& pos,
 132                                     const wxSize& size,
 133                                     long WXUNUSED(style),
 134                                     long WXUNUSED(extraStyle))
 135 {
 136     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
 137     wxNSButton* v = [[wxNSButton alloc] initWithFrame:r];
 138
 139     if ( id == wxID_HELP )
 140     {
 141         [v setBezelStyle:NSHelpButtonBezelStyle];
 142     }
 143     else
 144     {
 145         [v setBezelStyle:NSRoundedBezelStyle];
 146     }
 147
 148     [v setButtonType:NSMomentaryPushInButton];
 149     return new wxButtonCocoaImpl( wxpeer, v );
 150 }
 151
 152 void wxWidgetCocoaImpl::SetDefaultButton( bool isDefault )
 153 {
 154     if ( isDefault && [m_osxView isKindOfClass:[NSButton class]] )
 155         // NOTE: setKeyEquivalent: nil will trigger an assert
 156         // instead do not call in that case.
 157         [(NSButton*)m_osxView setKeyEquivalent: @"\r" ];
 158 }
 159
 160 void wxWidgetCocoaImpl::PerformClick()
 161 {
 162     if ([m_osxView isKindOfClass:[NSControl class]])
 163         [(NSControl*)m_osxView performClick:nil];
 164 }
 165
 166 //
 167 // wxDisclosureButton implementation
 168 //
 169
 170 @interface wxDisclosureNSButton : NSButton
 171 {
 172
 173     BOOL isOpen;
 174 }
 175
 176 - (void) updateImage;
 177
 178 - (void) toggle;
 179
 180 + (NSImage *)rotateImage: (NSImage *)image;
 181
 182 @end
 183
 184 static const char * disc_triangle_xpm[] = {
 185 "10 9 4 1",
 186 "   c None",
 187 ".  c #737373",
 188 "+  c #989898",
 189 "-  c #c6c6c6",
 190 " .-       ",
 191 " ..+-     ",
 192 " ....+    ",
 193 " ......-  ",
 194 " .......- ",
 195 " ......-  ",
 196 " ....+    ",
 197 " ..+-     ",
 198 " .-       ",
 199 };
 200
 201 @implementation wxDisclosureNSButton
 202
 203 + (void)initialize
 204 {
 205     static BOOL initialized = NO;
 206     if (!initialized)
 207     {
 208         initialized = YES;
 209         wxOSXCocoaClassAddWXMethods( self );
 210     }
 211 }
 212
 213 - (id) initWithFrame:(NSRect) frame
 214 {
 215     self = [super initWithFrame:frame];
 216     [self setBezelStyle:NSSmallSquareBezelStyle];
 217     isOpen = NO;
 218     [self setImagePosition:NSImageLeft];
 219     [self updateImage];
 220     return self;
 221 }
 222
 223 - (int) intValue
 224 {
 225     return isOpen ? 1 : 0;
 226 }
 227
 228 - (void) setIntValue: (int) v
 229 {
 230     isOpen = ( v != 0 );
 231     [self updateImage];
 232 }
 233
 234 - (void) toggle
 235 {
 236     isOpen = !isOpen;
 237     [self updateImage];
 238 }
 239
 240 wxCFRef<NSImage*> downArray ;
 241
 242 - (void) updateImage
 243 {
 244     static wxBitmap trianglebm(disc_triangle_xpm);
 245     if ( downArray.get() == NULL )
 246     {
 247         downArray.reset( [wxDisclosureNSButton rotateImage:trianglebm.GetNSImage()] );
 248     }
 249
 250     if ( isOpen )
 251         [self setImage:(NSImage*)downArray.get()];
 252     else
 253         [self setImage:trianglebm.GetNSImage()];
 254 }
 255
 256 + (NSImage *)rotateImage: (NSImage *)image
 257 {
 258     NSSize imageSize = [image size];
 259     NSSize newImageSize = NSMakeSize(imageSize.height, imageSize.width);
 260     NSImage* newImage = [[NSImage alloc] initWithSize: newImageSize];
 261
 262     [newImage lockFocus];
 263
 264     NSAffineTransform* tm = [NSAffineTransform transform];
 265     [tm translateXBy:newImageSize.width/2 yBy:newImageSize.height/2];
 266     [tm rotateByDegrees:-90];
 267     [tm translateXBy:-newImageSize.width/2 yBy:-newImageSize.height/2];
 268     [tm concat];
 269
 270
 271     [image drawInRect:NSMakeRect(0,0,newImageSize.width, newImageSize.height)
 272         fromRect:NSZeroRect operation:NSCompositeCopy fraction:1.0];
 273
 274     [newImage unlockFocus];
 275     return newImage;
 276 }
 277
 278 @end
 279
 280 class wxDisclosureTriangleCocoaImpl : public wxWidgetCocoaImpl
 281 {
 282 public :
 283     wxDisclosureTriangleCocoaImpl(wxWindowMac* peer , WXWidget w) :
 284         wxWidgetCocoaImpl(peer, w)
 285     {
 286     }
 287
 288     ~wxDisclosureTriangleCocoaImpl()
 289     {
 290     }
 291
 292     virtual void controlAction(WXWidget slf, void* _cmd, void *sender)
 293     {
 294         wxDisclosureNSButton* db = (wxDisclosureNSButton*)m_osxView;
 295         [db toggle];
 296         wxWidgetCocoaImpl::controlAction(slf, _cmd, sender );
 297     }
 298 };
 299
 300 wxWidgetImplType* wxWidgetImpl::CreateDisclosureTriangle( wxWindowMac* wxpeer,
 301                                     wxWindowMac* WXUNUSED(parent),
 302                                     wxWindowID WXUNUSED(id),
 303                                     const wxString& label,
 304                                     const wxPoint& pos,
 305                                     const wxSize& size,
 306                                     long WXUNUSED(style),
 307                                     long WXUNUSED(extraStyle))
 308 {
 309     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
 310     wxDisclosureNSButton* v = [[wxDisclosureNSButton alloc] initWithFrame:r];
 311     [v setTitle:wxCFStringRef( label).AsNSString()];
 312     wxDisclosureTriangleCocoaImpl* c = new wxDisclosureTriangleCocoaImpl( wxpeer, v );
 313     return c;
 314 }