streamline best size calculation for buttons and made wxBU_EXACTFIT work as intended
[wxWidgets.git] / 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 }