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