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 }
 153
 154 //
 155 // wxDisclosureButton implementation
 156 //
 157
 158 @interface wxDisclosureNSButton : NSButton
 159 {
 160
 161     BOOL isOpen;
 162 }
 163
 164 - (void) updateImage;
 165
 166 - (void) toggle;
 167
 168 + (NSImage *)rotateImage: (NSImage *)image;
 169
 170 @end
 171
 172 static const char * disc_triangle_xpm[] = {
 173 "10 9 4 1",
 174 "   c None",
 175 ".  c #737373",
 176 "+  c #989898",
 177 "-  c #c6c6c6",
 178 " .-       ",
 179 " ..+-     ",
 180 " ....+    ",
 181 " ......-  ",
 182 " .......- ",
 183 " ......-  ",
 184 " ....+    ",
 185 " ..+-     ",
 186 " .-       ",
 187 };
 188
 189 @implementation wxDisclosureNSButton
 190
 191 + (void)initialize
 192 {
 193     static BOOL initialized = NO;
 194     if (!initialized)
 195     {
 196         initialized = YES;
 197         wxOSXCocoaClassAddWXMethods( self );
 198     }
 199 }
 200
 201 - (id) initWithFrame:(NSRect) frame
 202 {
 203     self = [super initWithFrame:frame];
 204     [self setBezelStyle:NSSmallSquareBezelStyle];
 205     isOpen = NO;
 206     [self setImagePosition:NSImageLeft];
 207     [self updateImage];
 208     return self;
 209 }
 210
 211 - (int) intValue
 212 {
 213     return isOpen ? 1 : 0;
 214 }
 215
 216 - (void) setIntValue: (int) v
 217 {
 218     isOpen = ( v != 0 );
 219     [self updateImage];
 220 }
 221
 222 - (void) toggle
 223 {
 224     isOpen = !isOpen;
 225     [self updateImage];
 226 }
 227
 228 wxCFRef<NSImage*> downArray ;
 229
 230 - (void) updateImage
 231 {
 232     static wxBitmap trianglebm(disc_triangle_xpm);
 233     if ( downArray.get() == NULL )
 234     {
 235         downArray.reset( [wxDisclosureNSButton rotateImage:trianglebm.GetNSImage()] );
 236     }
 237
 238     if ( isOpen )
 239         [self setImage:(NSImage*)downArray.get()];
 240     else
 241         [self setImage:trianglebm.GetNSImage()];
 242 }
 243
 244 + (NSImage *)rotateImage: (NSImage *)image
 245 {
 246     NSSize imageSize = [image size];
 247     NSSize newImageSize = NSMakeSize(imageSize.height, imageSize.width);
 248     NSImage* newImage = [[NSImage alloc] initWithSize: newImageSize];
 249
 250     [newImage lockFocus];
 251
 252     NSAffineTransform* tm = [NSAffineTransform transform];
 253     [tm translateXBy:newImageSize.width/2 yBy:newImageSize.height/2];
 254     [tm rotateByDegrees:-90];
 255     [tm translateXBy:-newImageSize.width/2 yBy:-newImageSize.height/2];
 256     [tm concat];
 257
 258
 259     [image drawInRect:NSMakeRect(0,0,newImageSize.width, newImageSize.height)
 260         fromRect:NSZeroRect operation:NSCompositeCopy fraction:1.0];
 261
 262     [newImage unlockFocus];
 263     return newImage;
 264 }
 265
 266 @end
 267
 268 class wxDisclosureTriangleCocoaImpl : public wxWidgetCocoaImpl
 269 {
 270 public :
 271     wxDisclosureTriangleCocoaImpl(wxWindowMac* peer , WXWidget w) :
 272         wxWidgetCocoaImpl(peer, w)
 273     {
 274     }
 275
 276     ~wxDisclosureTriangleCocoaImpl()
 277     {
 278     }
 279
 280     virtual void controlAction(WXWidget slf, void* _cmd, void *sender)
 281     {
 282         wxDisclosureNSButton* db = (wxDisclosureNSButton*)m_osxView;
 283         [db toggle];
 284         wxWidgetCocoaImpl::controlAction(slf, _cmd, sender );
 285     }
 286 };
 287
 288 wxWidgetImplType* wxWidgetImpl::CreateDisclosureTriangle( wxWindowMac* wxpeer,
 289                                     wxWindowMac* WXUNUSED(parent),
 290                                     wxWindowID WXUNUSED(id),
 291                                     const wxString& label,
 292                                     const wxPoint& pos,
 293                                     const wxSize& size,
 294                                     long WXUNUSED(style),
 295                                     long WXUNUSED(extraStyle))
 296 {
 297     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
 298     wxDisclosureNSButton* v = [[wxDisclosureNSButton alloc] initWithFrame:r];
 299     [v setTitle:wxCFStringRef( label).AsNSString()];
 300     wxDisclosureTriangleCocoaImpl* c = new wxDisclosureTriangleCocoaImpl( wxpeer, v );
 301     return c;
 302 }