src/cocoa/radiobox.mm

   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 #include "wx/cocoa/objc/NSView.h"
  28 #import <AppKit/NSButton.h>
  29 #import <AppKit/NSBox.h>
  30 #import <AppKit/NSMatrix.h>
  31
  32 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
  33 BEGIN_EVENT_TABLE(wxRadioBox, wxControl)
  34 END_EVENT_TABLE()
  35 // WX_IMPLEMENT_COCOA_OWNER(wxRadioBox,NSTextField,NSControl,NSView)
  36
  37 bool wxRadioBox::Create(wxWindow *parent, wxWindowID winid,
  38             const wxString& title,
  39             const wxPoint& pos,
  40             const wxSize& size,
  41             const wxArrayString& choices,
  42             int majorDim,
  43             long style, const wxValidator& validator,
  44             const wxString& name)
  45 {
  46     wxCArrayString chs(choices);
  47
  48     return Create(parent, winid, title, pos, size, chs.GetCount(),
  49                   chs.GetStrings(), majorDim, style, validator, name);
  50 }
  51
  52 bool wxRadioBox::Create(wxWindow *parent, wxWindowID winid,
  53             const wxString& title,
  54             const wxPoint& pos,
  55             const wxSize& size,
  56             int n, const wxString choices[],
  57             int majorDim,
  58             long style, const wxValidator& validator,
  59             const wxString& name)
  60 {
  61     // We autorelease heavily so we want our own pool
  62     wxAutoNSAutoreleasePool pool;
  63
  64     if(!CreateControl(parent,winid,pos,size,style,validator,name))
  65         return false;
  66
  67     majorDim = majorDim == 0 ? n : majorDim;
  68     // TODO: Don't forget to call SetMajorDim
  69     // We can't yet as we can't implement GetCount() until after
  70     // we make the NSMatrix.
  71     int minorDim = (n + majorDim - 1) / majorDim;
  72
  73
  74     // Create a prototype cell for use with the NSMatrix build
  75     NSCell *currCell = [[NSButtonCell alloc] initTextCell:@""];
  76     [(NSButtonCell*)currCell setButtonType:NSRadioButton];
  77
  78     // Build up an array of all cells plus any extra empty cells
  79     NSMutableArray *allCells = [NSMutableArray arrayWithCapacity:n];
  80     for(int i=0; i<n; ++i)
  81     {
  82         [currCell setTitle: wxNSStringWithWxString(choices[i])];
  83         [allCells addObject: currCell];
  84         [currCell release];
  85         // NOTE: We can still safely message currCell as the array has retained it.
  86         currCell = [currCell copy];
  87     }
  88     [currCell release];
  89
  90     // NOTE: Although an image cell with no image is documented to return NSZeroSize from
  91     // the cellSize method, the documentation is WRONG.  It will actually return a huge size
  92     // (thousands) which makes every cell in the matrix that big. Not good.
  93     // Be safe and initialize a text cell with an empty string.  That always works.
  94     currCell = [[NSCell alloc] initTextCell:@""];
  95     for(int i=n; i < majorDim * minorDim; ++i)
  96     {
  97         [allCells addObject: currCell];
  98         // NOTE: Use the same instance.. this should work and save some heap allocations.
  99         // It will, however, make the selection rather indeterminate if the user clicks
 100         // on the empty space.
 101 #if 0
 102         [currCell release];
 103         currCell = [currCell copy];
 104 #endif
 105     }
 106     [currCell release];
 107     currCell = NULL;
 108
 109     // Although the documentation on addColumnWithCells:/addRowWithCells: explicitly
 110     // states that it will determine the initial dimension upon the first call if
 111     // the initial size is 0x0 it LIES.  It will fail an assertion in the code
 112     // if you use the simpler initWithFrame: initializer.
 113     // Therefore, we specify the major dimension and leave the minor dimension as 0
 114     // so that we can add the rows/columns without failing the assertion.
 115     NSMatrix* radioBox = [[NSMatrix alloc]
 116                 initWithFrame:NSZeroRect
 117                 mode:NSRadioModeMatrix
 118                 cellClass:nil
 119                 numberOfRows:style&wxRA_SPECIFY_COLS?0:majorDim
 120                 numberOfColumns:style&wxRA_SPECIFY_COLS?majorDim:0
 121         ];
 122
 123     SEL addMajorWithCellsSelector;
 124     // If column count is the major dimension then we add by row
 125     if( style & wxRA_SPECIFY_COLS )
 126         addMajorWithCellsSelector = @selector(addRowWithCells:);
 127     // If row count is the major dimension then we add by column
 128     else
 129         addMajorWithCellsSelector = @selector(addColumnWithCells:);
 130
 131     for(int i=0; i<minorDim; ++i)
 132     {
 133         [radioBox
 134             performSelector:addMajorWithCellsSelector
 135             withObject:[allCells subarrayWithRange:NSMakeRange(i*majorDim, majorDim)]];
 136     }
 137
 138     //make and set up an NSBox (TODO: Just derive from wxStaticBox)
 139     SetNSView([[NSBox alloc] initWithFrame:MakeDefaultNSRect(size)]);
 140     [m_cocoaNSView release];
 141
 142     // Replace the box's content view with the NSMatrix we just created
 143     [GetNSBox() setContentView:radioBox];
 144     [radioBox release]; // The NSBox retains it for us.
 145
 146     [GetNSBox() setTitle:wxNSStringWithWxString(title)];
 147 //    [GetNSBox() setBorderType:NSLineBorder]; // why??
 148
 149     SetMajorDim(majorDim, style);
 150
 151     if(m_parent)
 152         m_parent->CocoaAddChild(this);
 153
 154     // Do the sizer dance
 155     [GetNSBox() sizeToFit];
 156     SetInitialFrameRect(pos, size);
 157
 158     return true;
 159 }
 160
 161 wxRadioBox::~wxRadioBox()
 162 {
 163 }
 164
 165 WX_NSMatrix wxRadioBox::GetNSMatrix() const
 166 {
 167     return (NSMatrix*)[(NSBox*)m_cocoaNSView contentView];
 168 }
 169
 170     // selection
 171 void wxRadioBox::SetSelection(int n)
 172 {
 173 }
 174
 175 int wxRadioBox::GetSelection() const
 176 {
 177     return 0;
 178 }
 179
 180     // string access
 181 unsigned int wxRadioBox::GetCount() const
 182 {
 183     NSMatrix *radioBox = GetNSMatrix();
 184     NSInteger rowCount, columnCount;
 185     [radioBox getNumberOfRows:&rowCount columns:&columnCount];
 186
 187     // FIXME: This is wrong if padding cells were made
 188     return rowCount * columnCount;
 189 }
 190
 191 wxString wxRadioBox::GetString(unsigned int n) const
 192 {
 193     return wxEmptyString;
 194 }
 195
 196 void wxRadioBox::SetString(unsigned int n, const wxString& label)
 197 {
 198 }
 199
 200     // change the individual radio button state
 201 bool wxRadioBox::Enable(unsigned int n, bool enable)
 202 {
 203     // TODO
 204     return false;
 205 }
 206
 207 bool wxRadioBox::Show(unsigned int n, bool show)
 208 {
 209     // TODO
 210     return false;
 211 }
 212
 213 wxSize wxRadioBox::DoGetBestSize() const
 214 {
 215     // The NSBox responds to sizeToFit by sending sizeToFit to its contentView
 216     // which is the NSMatrix and does the right thing.
 217     return wxControl::DoGetBestSize();
 218 }
 219
 220 #endif