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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/cocoa/radiobox.mm
3 // Purpose: wxRadioBox
4 // Author: David Elliott
5 // Modified by:
6 // Created: 2003/02/15
7 // RCS-ID: $Id$
8 // Copyright: (c) 2003 David Elliott
9 // (c) 2007 Software 2000 Ltd.
10 // Licence: wxWidgets licence
11 /////////////////////////////////////////////////////////////////////////////
12
13 #include "wx/wxprec.h"
14
15 #if wxUSE_RADIOBOX
16
17 #include "wx/radiobox.h"
18
19 #ifndef WX_PRECOMP
20 #include "wx/app.h"
21 #include "wx/arrstr.h"
22 #endif //WX_PRECOMP
23
24 #include "wx/cocoa/string.h"
25 #include "wx/cocoa/autorelease.h"
26
27 #import <Foundation/NSArray.h>
28 #include "wx/cocoa/objc/NSView.h"
29 #import <AppKit/NSButton.h>
30 #import <AppKit/NSBox.h>
31 #import <AppKit/NSMatrix.h>
32
33 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
34 BEGIN_EVENT_TABLE(wxRadioBox, wxControl)
35 END_EVENT_TABLE()
36
37 void wxRadioBox::AssociateNSBox(WX_NSBox cocoaObjcClass)
38 {
39 NSMatrix *radioBox = [(WX_NSBox)cocoaObjcClass contentView];
40 // Associate the NSMatrix (the NSBox's contentView) with the wxCocoaNSControl MI base class.
41 AssociateNSControl(radioBox);
42 // Set the target/action.. we don't really need to unset these
43 [radioBox setTarget:wxCocoaNSControl::sm_cocoaTarget];
44 [radioBox setAction:@selector(wxNSControlAction:)];
45 }
46
47 void wxRadioBox::DisassociateNSBox(WX_NSBox cocoaObjcClass)
48 {
49 DisassociateNSControl([(WX_NSBox)cocoaObjcClass contentView]);
50 }
51
52 WX_IMPLEMENT_COCOA_OWNER(wxRadioBox,NSBox,NSView,NSView)
53
54 bool wxRadioBox::Create(wxWindow *parent, wxWindowID winid,
55 const wxString& title,
56 const wxPoint& pos,
57 const wxSize& size,
58 const wxArrayString& choices,
59 int majorDim,
60 long style, const wxValidator& validator,
61 const wxString& name)
62 {
63 wxCArrayString chs(choices);
64
65 return Create(parent, winid, title, pos, size, chs.GetCount(),
66 chs.GetStrings(), majorDim, style, validator, name);
67 }
68
69 bool wxRadioBox::Create(wxWindow *parent, wxWindowID winid,
70 const wxString& title,
71 const wxPoint& pos,
72 const wxSize& size,
73 int n, const wxString choices[],
74 int majorDim,
75 long style, const wxValidator& validator,
76 const wxString& name)
77 {
78 // We autorelease heavily so we want our own pool
79 wxAutoNSAutoreleasePool pool;
80
81 if(!CreateControl(parent,winid,pos,size,style,validator,name))
82 return false;
83
84 majorDim = majorDim == 0 ? n : majorDim;
85 // TODO: Don't forget to call SetMajorDim
86 // We can't yet as we can't implement GetCount() until after
87 // we make the NSMatrix.
88 int minorDim = (n + majorDim - 1) / majorDim;
89
90
91 // Create a prototype cell for use with the NSMatrix build
92 NSCell *currCell = [[NSButtonCell alloc] initTextCell:@""];
93 [(NSButtonCell*)currCell setButtonType:NSRadioButton];
94
95 // Build up an array of all cells plus any extra empty cells
96 NSMutableArray *allCells = [NSMutableArray arrayWithCapacity:n];
97 for(int i=0; i<n; ++i)
98 {
99 CocoaSetLabelForObject(choices[i], currCell);
100 [allCells addObject: currCell];
101 [currCell release];
102 // NOTE: We can still safely message currCell as the array has retained it.
103 currCell = [currCell copy];
104 }
105 [currCell release];
106
107 // NOTE: Although an image cell with no image is documented to return NSZeroSize from
108 // the cellSize method, the documentation is WRONG. It will actually return a huge size
109 // (thousands) which makes every cell in the matrix that big. Not good.
110 // Be safe and initialize a text cell with an empty string. That always works.
111 currCell = [[NSCell alloc] initTextCell:@""];
112 [currCell setEnabled:NO]; // Don't allow user to select this cell
113 for(int i=n; i < majorDim * minorDim; ++i)
114 {
115 [allCells addObject: currCell];
116 // NOTE: Use the same instance.. this should work and save some heap allocations.
117 #if 0
118 [currCell release];
119 currCell = [currCell copy];
120 #endif
121 }
122 [currCell release];
123 currCell = NULL;
124
125 // Although the documentation on addColumnWithCells:/addRowWithCells: explicitly
126 // states that it will determine the initial dimension upon the first call if
127 // the initial size is 0x0 it LIES. It will fail an assertion in the code
128 // if you use the simpler initWithFrame: initializer.
129 // Therefore, we specify the major dimension and leave the minor dimension as 0
130 // so that we can add the rows/columns without failing the assertion.
131 NSMatrix* radioBox = [[NSMatrix alloc]
132 initWithFrame:NSZeroRect
133 mode:NSRadioModeMatrix
134 cellClass:nil
135 numberOfRows:style&wxRA_SPECIFY_COLS?0:majorDim
136 numberOfColumns:style&wxRA_SPECIFY_COLS?majorDim:0
137 ];
138
139 SEL addMajorWithCellsSelector;
140 // If column count is the major dimension then we add by row
141 if( style & wxRA_SPECIFY_COLS )
142 addMajorWithCellsSelector = @selector(addRowWithCells:);
143 // If row count is the major dimension then we add by column
144 else
145 addMajorWithCellsSelector = @selector(addColumnWithCells:);
146
147 for(int i=0; i<minorDim; ++i)
148 {
149 [radioBox
150 performSelector:addMajorWithCellsSelector
151 withObject:[allCells subarrayWithRange:NSMakeRange(i*majorDim, majorDim)]];
152 }
153
154 NSBox *theBox = [[NSBox alloc] initWithFrame:MakeDefaultNSRect(size)];
155
156 // Replace the box's content view with the NSMatrix we just created
157 // IMPORTANT: This must be done before calling SetNSBox.
158 [theBox setContentView:radioBox];
159 [radioBox release]; // The NSBox retains it for us.
160
161 SetNSBox(theBox);
162 [theBox release];
163
164
165 CocoaSetLabelForObject(title, GetNSBox());
166 // [GetNSBox() setBorderType:NSLineBorder]; // why??
167
168 SetMajorDim(majorDim, style);
169
170 // Set the selection to the first item if we have any items.
171 // This is for parity with other wx ports which do the same thing.
172 if(n > 0)
173 SetSelection(0);
174
175 if(m_parent)
176 m_parent->CocoaAddChild(this);
177
178 // Do the sizer dance
179 [GetNSBox() sizeToFit];
180 SetInitialFrameRect(pos, size);
181
182 return true;
183 }
184
185 wxRadioBox::~wxRadioBox()
186 {
187 DisassociateNSBox(GetNSBox());
188 }
189
190 WX_NSMatrix wxRadioBox::GetNSMatrix() const
191 {
192 return (NSMatrix*)[(NSBox*)m_cocoaNSView contentView];
193 }
194
195 // selection
196 void wxRadioBox::SetSelection(int n)
197 {
198 int r = GetRowForIndex(n);
199 int c = GetColumnForIndex(n);
200 [GetNSMatrix() selectCellAtRow:r column:c];
201 }
202
203 int wxRadioBox::GetSelection() const
204 {
205 NSMatrix *radioBox = GetNSMatrix();
206 NSInteger r = [radioBox selectedRow];
207 NSInteger c = [radioBox selectedColumn];
208 if(m_windowStyle & wxRA_SPECIFY_COLS)
209 return r * GetMajorDim() + c;
210 else
211 return c * GetMajorDim() + r;
212 }
213
214 // string access
215 unsigned int wxRadioBox::GetCount() const
216 {
217 NSMatrix *radioBox = GetNSMatrix();
218 NSInteger rowCount, columnCount;
219 [radioBox getNumberOfRows:&rowCount columns:&columnCount];
220
221 // FIXME: This is wrong if padding cells were made
222 return rowCount * columnCount;
223 }
224
225 wxString wxRadioBox::GetString(unsigned int n) const
226 {
227 int r = GetRowForIndex(n);
228 int c = GetColumnForIndex(n);
229 // FIXME: Cocoa stores the mnemonic-stripped title.
230 return wxStringWithNSString([[GetNSMatrix() cellAtRow:r column:c] title]);
231 }
232
233 void wxRadioBox::SetString(unsigned int n, const wxString& label)
234 {
235 int r = GetRowForIndex(n);
236 int c = GetColumnForIndex(n);
237 CocoaSetLabelForObject(label, [GetNSMatrix() cellAtRow:r column:c]);
238 }
239
240 // change the individual radio button state
241 bool wxRadioBox::Enable(unsigned int n, bool enable)
242 {
243 int r = GetRowForIndex(n);
244 int c = GetColumnForIndex(n);
245 NSCell *cell = [GetNSMatrix() cellAtRow:r column:c];
246 if(cell == nil)
247 return false;
248 bool wasEnabled = [cell isEnabled];
249 [cell setEnabled:enable];
250 return (wasEnabled && !enable) || (!wasEnabled && enable);
251 }
252
253 bool wxRadioBox::Show(unsigned int n, bool show)
254 {
255 // TODO
256 // NOTE: Cocoa has no visible state for cells so we'd need to replace the
257 // cell with a dummy one to hide it or alternatively subclass NSButtonCell
258 // and add the behavior.
259 return false;
260 }
261
262 wxSize wxRadioBox::DoGetBestSize() const
263 {
264 // The NSBox responds to sizeToFit by sending sizeToFit to its contentView
265 // which is the NSMatrix and does the right thing.
266 return wxControl::DoGetBestSize();
267 }
268
269 void wxRadioBox::CocoaTarget_action(void)
270 {
271 wxCommandEvent event(wxEVT_COMMAND_RADIOBOX_SELECTED, GetId());
272 InitCommandEvent(event);
273 event.SetInt(GetSelection()); // i.e. SetSelection.
274 Command(event);
275 }
276
277 #endif