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