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:     wxWidgets licence
  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/autorelease.h"
  21 #include "wx/cocoa/NSTableDataSource.h"
  22
  23 #import <Foundation/NSArray.h>
  24 #import <Foundation/NSEnumerator.h>
  25 #import <AppKit/NSTableView.h>
  26 #import <AppKit/NSTableColumn.h>
  27
  28 IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl)
  29 BEGIN_EVENT_TABLE(wxListBox, wxListBoxBase)
  30 END_EVENT_TABLE()
  31 WX_IMPLEMENT_COCOA_OWNER(wxListBox,NSTableView,NSControl,NSView)
  32
  33 bool wxListBox::Create(wxWindow *parent, wxWindowID winid,
  34             const wxPoint& pos,
  35             const wxSize& size,
  36             const wxArrayString& choices,
  37             long style,
  38             const wxValidator& validator,
  39             const wxString& name)
  40 {
  41     wxCArrayString chs(choices);
  42
  43     return Create(parent, winid, pos, size, chs.GetCount(), chs.GetStrings(),
  44                   style, validator, name);
  45 }
  46
  47 bool wxListBox::Create(wxWindow *parent, wxWindowID winid,
  48             const wxPoint& pos,
  49             const wxSize& size,
  50             int n, const wxString choices[],
  51             long style,
  52             const wxValidator& validator,
  53             const wxString& name)
  54 {
  55     wxAutoNSAutoreleasePool pool;
  56     if(!CreateControl(parent,winid,pos,size,style,validator,name))
  57         return false;
  58
  59     // Provide the data
  60     m_cocoaItems = [[NSMutableArray arrayWithCapacity:n] retain];
  61     for(int i=0; i < n; i++)
  62     {
  63         [m_cocoaItems addObject: wxNSStringWithWxString(choices[i])];
  64     }
  65     // Remove everything
  66     m_itemClientData.Clear();
  67     // Initialize n elements to NULL
  68     m_itemClientData.SetCount(n,NULL);
  69
  70     SetNSTableView([[NSTableView alloc] initWithFrame: MakeDefaultNSRect(size)]);
  71     [m_cocoaNSView release];
  72     [GetNSTableView() setHeaderView: nil];
  73
  74     // Set up the data source
  75     m_cocoaDataSource = [[wxCocoaNSTableDataSource alloc] init];
  76     [GetNSTableView() setDataSource:m_cocoaDataSource];
  77
  78     // Add the single column
  79     NSTableColumn *tableColumn = [[NSTableColumn alloc] initWithIdentifier:nil];
  80     [GetNSTableView() addTableColumn: tableColumn];
  81     [tableColumn release];
  82
  83     [GetNSTableView() sizeToFit];
  84     // Finish
  85     if(m_parent)
  86         m_parent->CocoaAddChild(this);
  87     // NSTableView does WEIRD things with sizes.  Wrapping it in an
  88     // NSScrollView seems to be the only reasonable solution.
  89     CocoaCreateNSScrollView();
  90     SetInitialFrameRect(pos,size);
  91
  92     return true;
  93 }
  94
  95 wxListBox::~wxListBox()
  96 {
  97     [GetNSTableView() setDataSource: nil];
  98     [m_cocoaDataSource release];
  99     [m_cocoaItems release];
 100     DisassociateNSTableView(GetNSTableView());
 101 }
 102
 103 int wxListBox::CocoaDataSource_numberOfRows()
 104 {
 105     return [m_cocoaItems count];
 106 }
 107
 108 struct objc_object* wxListBox::CocoaDataSource_objectForTableColumn(
 109         WX_NSTableColumn tableColumn, int rowIndex)
 110 {
 111     return [m_cocoaItems objectAtIndex:rowIndex];
 112 }
 113
 114 // pure virtuals from wxListBoxBase
 115 bool wxListBox::IsSelected(int n) const
 116 {
 117     return [GetNSTableView() isRowSelected: n];
 118 }
 119
 120 void wxListBox::SetSelection(int n, bool select)
 121 {
 122     if(select)
 123         [GetNSTableView() selectRow: n byExtendingSelection:NO];
 124     else
 125         [GetNSTableView() deselectRow: n];
 126 }
 127
 128 int wxListBox::GetSelections(wxArrayInt& aSelections) const
 129 {
 130     aSelections.Clear();
 131     NSEnumerator *enumerator = [GetNSTableView() selectedRowEnumerator];
 132     while(NSNumber *num = [enumerator nextObject])
 133     {
 134         aSelections.Add([num intValue]);
 135     }
 136     return [GetNSTableView() numberOfSelectedRows];
 137 }
 138
 139 void wxListBox::DoInsertItems(const wxArrayString& items, int pos)
 140 {
 141     for(int i=int(items.GetCount())-1; i >= 0; i--)
 142     {
 143         [m_cocoaItems insertObject: wxNSStringWithWxString(items[i])
 144             atIndex: pos];
 145         m_itemClientData.Insert(NULL,pos);
 146     }
 147     [GetNSTableView() reloadData];
 148 }
 149
 150 void wxListBox::DoSetItems(const wxArrayString& items, void **clientData)
 151 {
 152     // Remove everything
 153     [m_cocoaItems removeAllObjects];
 154     m_itemClientData.Clear();
 155     // Provide the data
 156     for(size_t i=0; i < items.GetCount(); i++)
 157     {
 158         [m_cocoaItems addObject: wxNSStringWithWxString(items[i])];
 159         m_itemClientData.Add(clientData[i]);
 160     }
 161     [GetNSTableView() reloadData];
 162 }
 163
 164 void wxListBox::DoSetFirstItem(int n)
 165 {
 166 }
 167
 168
 169 // pure virtuals from wxItemContainer
 170     // deleting items
 171 void wxListBox::Clear()
 172 {
 173 }
 174
 175 void wxListBox::Delete(int n)
 176 {
 177 }
 178
 179     // accessing strings
 180 int wxListBox::GetCount() const
 181 {
 182     return 0;
 183 }
 184
 185 wxString wxListBox::GetString(int n) const
 186 {
 187     return wxEmptyString;
 188 }
 189
 190 void wxListBox::SetString(int n, const wxString& s)
 191 {
 192 }
 193
 194 int wxListBox::FindString(const wxString& s) const
 195 {
 196     return 0;
 197 }
 198
 199     // selection
 200 void wxListBox::Select(int n)
 201 {
 202 }
 203
 204 int wxListBox::GetSelection() const
 205 {
 206     return 0;
 207 }
 208
 209 int wxListBox::DoAppend(const wxString& item)
 210 {
 211     return 0;
 212 }
 213
 214 void wxListBox::DoSetItemClientData(int n, void* clientData)
 215 {
 216 }
 217
 218 void* wxListBox::DoGetItemClientData(int n) const
 219 {
 220     return NULL;
 221 }
 222
 223 void wxListBox::DoSetItemClientObject(int n, wxClientData* clientData)
 224 {
 225 }
 226
 227 wxClientData* wxListBox::DoGetItemClientObject(int n) const
 228 {
 229     return NULL;
 230 }
 231