src/cocoa/listbox.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        cocoa/listbox.mm
   3 // Purpose:     wxListBox
   4 // Author:      David Elliott
   5 // Modified by:
   6 // Created:     2003/03/18
   7 // RCS-ID:      $Id:
   8 // Copyright:   (c) 2003 David Elliott
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13 #ifndef WX_PRECOMP
  14     #include "wx/log.h"
  15     #include "wx/app.h"
  16     #include "wx/listbox.h"
  17 #endif //WX_PRECOMP
  18
  19 #include "wx/cocoa/string.h"
  20 #include "wx/cocoa/NSTableDataSource.h"
  21
  22 #import <Foundation/NSArray.h>
  23 #import <Foundation/NSEnumerator.h>
  24 #import <AppKit/NSTableView.h>
  25 #import <AppKit/NSTableColumn.h>
  26
  27 IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl)
  28 BEGIN_EVENT_TABLE(wxListBox, wxListBoxBase)
  29 END_EVENT_TABLE()
  30 WX_IMPLEMENT_COCOA_OWNER(wxListBox,NSTableView,NSControl,NSView)
  31
  32 bool wxListBox::Create(wxWindow *parent, wxWindowID winid,
  33             const wxPoint& pos,
  34             const wxSize& size,
  35             int n, const wxString choices[],
  36             long style,
  37             const wxValidator& validator,
  38             const wxString& name)
  39 {
  40     if(!CreateControl(parent,winid,pos,size,style,validator,name))
  41         return false;
  42
  43     // Provide the data
  44     m_cocoaItems = [[NSMutableArray arrayWithCapacity:n] retain];
  45     for(int i=0; i < n; i++)
  46     {
  47         [m_cocoaItems addObject: wxNSStringWithWxString(choices[i])];
  48     }
  49     // Remove everything
  50     m_clientData.Clear();
  51     // Initialize n elements to NULL
  52     m_clientData.SetCount(n,NULL);
  53
  54     SetNSTableView([[NSTableView alloc] initWithFrame: MakeDefaultNSRect(size)]);
  55     [m_cocoaNSView release];
  56     [GetNSTableView() setHeaderView: nil];
  57
  58     // Set up the data source
  59     m_cocoaDataSource = [[wxCocoaNSTableDataSource alloc] init];
  60     [GetNSTableView() setDataSource:m_cocoaDataSource];
  61
  62     // Add the single column
  63     NSTableColumn *tableColumn = [[NSTableColumn alloc] initWithIdentifier:nil];
  64     [GetNSTableView() addTableColumn: tableColumn];
  65     [tableColumn release];
  66
  67     [GetNSTableView() sizeToFit];
  68     // Finish
  69     if(m_parent)
  70         m_parent->CocoaAddChild(this);
  71     // NSTableView does WEIRD things with sizes.  Wrapping it in an
  72     // NSScrollView seems to be the only reasonable solution.
  73     CocoaCreateNSScrollView();
  74     SetInitialFrameRect(pos,size);
  75
  76     return true;
  77 }
  78
  79 wxListBox::~wxListBox()
  80 {
  81     [GetNSTableView() setDataSource: nil];
  82     [m_cocoaDataSource release];
  83     [m_cocoaItems release];
  84     DisassociateNSTableView(GetNSTableView());
  85 }
  86
  87 int wxListBox::CocoaDataSource_numberOfRows()
  88 {
  89     return [m_cocoaItems count];
  90 }
  91
  92 struct objc_object* wxListBox::CocoaDataSource_objectForTableColumn(
  93         WX_NSTableColumn tableColumn, int rowIndex)
  94 {
  95     return [m_cocoaItems objectAtIndex:rowIndex];
  96 }
  97
  98 // pure virtuals from wxListBoxBase
  99 bool wxListBox::IsSelected(int n) const
 100 {
 101     return [GetNSTableView() isRowSelected: n];
 102 }
 103
 104 void wxListBox::SetSelection(int n, bool select)
 105 {
 106     if(select)
 107         [GetNSTableView() selectRow: n byExtendingSelection:NO];
 108     else
 109         [GetNSTableView() deselectRow: n];
 110 }
 111
 112 int wxListBox::GetSelections(wxArrayInt& aSelections) const
 113 {
 114     aSelections.Clear();
 115     NSEnumerator *enumerator = [GetNSTableView() selectedRowEnumerator];
 116     while(NSNumber *num = [enumerator nextObject])
 117     {
 118         aSelections.Add([num intValue]);
 119     }
 120     return [GetNSTableView() numberOfSelectedRows];
 121 }
 122
 123 void wxListBox::DoInsertItems(const wxArrayString& items, int pos)
 124 {
 125     for(int i=int(items.GetCount())-1; i >= 0; i--)
 126     {
 127         [m_cocoaItems insertObject: wxNSStringWithWxString(items[i])
 128             atIndex: pos];
 129         m_clientData.Insert(NULL,pos);
 130     }
 131     [GetNSTableView() reloadData];
 132 }
 133
 134 void wxListBox::DoSetItems(const wxArrayString& items, void **clientData)
 135 {
 136     // Remove everything
 137     [m_cocoaItems removeAllObjects];
 138     m_clientData.Clear();
 139     // Provide the data
 140     for(size_t i=0; i < items.GetCount(); i++)
 141     {
 142         [m_cocoaItems addObject: wxNSStringWithWxString(items[i])];
 143         m_clientData.Add(clientData[i]);
 144     }
 145     [GetNSTableView() reloadData];
 146 }
 147
 148 void wxListBox::DoSetFirstItem(int n)
 149 {
 150 }
 151
 152
 153 // pure virtuals from wxItemContainer
 154     // deleting items
 155 void wxListBox::Clear()
 156 {
 157 }
 158
 159 void wxListBox::Delete(int n)
 160 {
 161 }
 162
 163     // accessing strings
 164 int wxListBox::GetCount() const
 165 {
 166     return 0;
 167 }
 168
 169 wxString wxListBox::GetString(int n) const
 170 {
 171     return wxEmptyString;
 172 }
 173
 174 void wxListBox::SetString(int n, const wxString& s)
 175 {
 176 }
 177
 178 int wxListBox::FindString(const wxString& s) const
 179 {
 180     return 0;
 181 }
 182
 183     // selection
 184 void wxListBox::Select(int n)
 185 {
 186 }
 187
 188 int wxListBox::GetSelection() const
 189 {
 190     return 0;
 191 }
 192
 193 int wxListBox::DoAppend(const wxString& item)
 194 {
 195     return 0;
 196 }
 197
 198 void wxListBox::DoSetItemClientData(int n, void* clientData)
 199 {
 200 }
 201
 202 void* wxListBox::DoGetItemClientData(int n) const
 203 {
 204     return NULL;
 205 }
 206
 207 void wxListBox::DoSetItemClientObject(int n, wxClientData* clientData)
 208 {
 209 }
 210
 211 wxClientData* wxListBox::DoGetItemClientObject(int n) const
 212 {
 213     return NULL;
 214 }
 215