src/osx/cocoa/combobox.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/cocoa/combobox.mm
   3 // Purpose:     wxChoice
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id: combobox.mm 54129 2008-06-11 19:30:52Z SC $
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_COMBOBOX
  15
  16 #include "wx/combobox.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/menu.h"
  20     #include "wx/dcclient.h"
  21 #endif
  22
  23 #include "wx/osx/cocoa/private/textimpl.h"
  24
  25 // work in progress
  26
  27 @interface wxNSComboBox : NSComboBox
  28 {
  29 }
  30
  31 @end
  32
  33 @implementation wxNSComboBox
  34
  35 + (void)initialize
  36 {
  37     static BOOL initialized = NO;
  38     if (!initialized)
  39     {
  40         initialized = YES;
  41         wxOSXCocoaClassAddWXMethods( self );
  42     }
  43 }
  44
  45 - (void)controlTextDidChange:(NSNotification *)aNotification
  46 {
  47     wxUnusedVar(aNotification);
  48     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
  49     if ( impl )
  50     {
  51         wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
  52         if ( wxpeer ) {
  53             wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, wxpeer->GetId());
  54             event.SetEventObject( wxpeer );
  55             event.SetString( static_cast<wxComboBox*>(wxpeer)->GetValue() );
  56             wxpeer->HandleWindowEvent( event );
  57         }
  58     }
  59 }
  60
  61 - (void)comboBoxSelectionDidChange:(NSNotification *)notification
  62 {
  63     wxUnusedVar(notification);
  64     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
  65     if ( impl )
  66     {
  67         wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
  68         if ( wxpeer ) {
  69             wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, wxpeer->GetId());
  70             event.SetEventObject( wxpeer );
  71             event.SetInt( static_cast<wxComboBox*>(wxpeer)->GetSelection() );
  72             // For some reason, wxComboBox::GetValue will not return the newly selected item
  73             // while we're inside this callback, so use AddPendingEvent to make sure
  74             // GetValue() returns the right value.
  75             wxpeer->GetEventHandler()->AddPendingEvent( event );
  76         }
  77     }
  78 }
  79 @end
  80
  81 wxNSComboBoxControl::wxNSComboBoxControl( wxWindow *wxPeer, WXWidget w ) : wxNSTextFieldControl(wxPeer, w)
  82 {
  83     m_comboBox = (NSComboBox*)w;
  84 }
  85
  86 wxNSComboBoxControl::~wxNSComboBoxControl()
  87 {
  88 }
  89
  90 int wxNSComboBoxControl::GetSelectedItem() const
  91 {
  92     return [m_comboBox indexOfSelectedItem];
  93 }
  94
  95 void wxNSComboBoxControl::SetSelectedItem(int item)
  96 {
  97     wxASSERT_MSG(item >= 0 && item < [m_comboBox numberOfItems], "Inavlid item index.");
  98     [m_comboBox selectItemAtIndex: item];
  99 }
 100
 101 int wxNSComboBoxControl::GetNumberOfItems() const
 102 {
 103     return [m_comboBox numberOfItems];
 104 }
 105
 106 void wxNSComboBoxControl::InsertItem(int pos, const wxString& item)
 107 {
 108     [m_comboBox insertItemWithObjectValue:wxCFStringRef( item , m_wxPeer->GetFont().GetEncoding() ).AsNSString() atIndex:pos];
 109 }
 110
 111 void wxNSComboBoxControl::RemoveItem(int pos)
 112 {
 113     [m_comboBox removeItemAtIndex:pos];
 114 }
 115
 116 void wxNSComboBoxControl::Clear()
 117 {
 118     [m_comboBox removeAllItems];
 119 }
 120
 121 wxString wxNSComboBoxControl::GetStringAtIndex(int pos) const
 122 {
 123     return wxCFStringRef::AsString([m_comboBox itemObjectValueAtIndex:pos], m_wxPeer->GetFont().GetEncoding());
 124 }
 125
 126 int wxNSComboBoxControl::FindString(const wxString& text) const
 127 {
 128     int result = [m_comboBox indexOfItemWithObjectValue:wxCFStringRef( text , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
 129     if (result == NSNotFound)
 130         result = wxNOT_FOUND;
 131     return result;
 132 }
 133
 134 wxWidgetImplType* wxWidgetImpl::CreateComboBox( wxWindowMac* wxpeer,
 135                                     wxWindowMac* WXUNUSED(parent),
 136                                     wxWindowID WXUNUSED(id),
 137                                     wxMenu* menu,
 138                                     const wxPoint& pos,
 139                                     const wxSize& size,
 140                                     long WXUNUSED(style),
 141                                     long WXUNUSED(extraStyle))
 142 {
 143     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
 144     wxNSComboBox* v = [[wxNSComboBox alloc] initWithFrame:r];
 145     wxNSComboBoxControl* c = new wxNSComboBoxControl( wxpeer, v );
 146     return c;
 147 }
 148
 149 #endif // wxUSE_COMBOBOX