src/mac/carbon/combobox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        combobox.cpp
   3 // Purpose:     wxComboBox class
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "combobox.h"
  14 #endif
  15
  16 #include "wx/combobox.h"
  17 #include "wx/menu.h"
  18 #include "wx/mac/uma.h"
  19
  20 #if !USE_SHARED_LIBRARY
  21 IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
  22 #endif
  23
  24 // right now we don't support editable comboboxes
  25
  26 static int nextPopUpMenuId = 1000 ;
  27 MenuHandle NewUniqueMenu()
  28 {
  29   MenuHandle handle = NewMenu( nextPopUpMenuId , "\pMenu" ) ;
  30   nextPopUpMenuId++ ;
  31   return handle ;
  32 }
  33
  34 bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
  35            const wxString& value,
  36            const wxPoint& pos,
  37            const wxSize& size,
  38                    int n, const wxString choices[],
  39                    long style,
  40            const wxValidator& validator,
  41            const wxString& name)
  42 {
  43     m_noStrings = n;
  44
  45                 Rect bounds ;
  46                 Str255 title ;
  47
  48                 MacPreControlCreate( parent , id ,  "" , pos , size ,style, validator , name , &bounds , title ) ;
  49
  50                 m_macControl = ::NewControl( parent->MacGetRootWindow() , &bounds , title , false , 0 , -12345 , 0,
  51                 kControlPopupButtonProc , (long) this ) ;
  52
  53                 m_macPopUpMenuHandle =  NewUniqueMenu() ;
  54                 SetControlData( m_macControl , kControlNoPart , kControlPopupButtonMenuHandleTag , sizeof( MenuHandle ) , (char*) &m_macPopUpMenuHandle) ;
  55                 for ( int i = 0 ; i < n ; i++ )
  56                 {
  57                         Str255 label;
  58                         wxMenuItem::MacBuildMenuString( label , NULL , NULL , choices[i] ,false);
  59                         AppendMenu( m_macPopUpMenuHandle , label ) ;
  60                 }
  61                 SetControlMinimum( m_macControl , 0 ) ;
  62                 SetControlMaximum( m_macControl , m_noStrings) ;
  63                 SetControlValue( m_macControl , 1 ) ;
  64
  65                 MacPostControlCreate() ;
  66
  67         return TRUE;
  68 }
  69
  70 wxString wxComboBox::GetValue() const
  71 {
  72     return GetStringSelection() ;
  73 }
  74
  75 void wxComboBox::SetValue(const wxString& value)
  76 {
  77     SetStringSelection( value ) ;
  78 }
  79
  80 // Clipboard operations
  81 void wxComboBox::Copy()
  82 {
  83     // TODO
  84 }
  85
  86 void wxComboBox::Cut()
  87 {
  88     // TODO
  89 }
  90
  91 void wxComboBox::Paste()
  92 {
  93     // TODO
  94 }
  95
  96 void wxComboBox::SetEditable(bool editable)
  97 {
  98     // TODO
  99 }
 100
 101 void wxComboBox::SetInsertionPoint(long pos)
 102 {
 103     // TODO
 104 }
 105
 106 void wxComboBox::SetInsertionPointEnd()
 107 {
 108     // TODO
 109 }
 110
 111 long wxComboBox::GetInsertionPoint() const
 112 {
 113     // TODO
 114     return 0;
 115 }
 116
 117 long wxComboBox::GetLastPosition() const
 118 {
 119     // TODO
 120     return 0;
 121 }
 122
 123 void wxComboBox::Replace(long from, long to, const wxString& value)
 124 {
 125     // TODO
 126 }
 127
 128 void wxComboBox::Remove(long from, long to)
 129 {
 130     // TODO
 131 }
 132
 133 void wxComboBox::SetSelection(long from, long to)
 134 {
 135     // TODO
 136 }
 137
 138 void wxComboBox::Append(const wxString& item)
 139 {
 140         Str255 label;
 141         wxMenuItem::MacBuildMenuString( label , NULL , NULL , item ,false);
 142         AppendMenu( m_macPopUpMenuHandle , label ) ;
 143     m_noStrings ++;
 144         SetControlMaximum( m_macControl , m_noStrings) ;
 145 }
 146
 147 void wxComboBox::Delete(int n)
 148 {
 149         wxASSERT( n < m_noStrings ) ;
 150     ::DeleteMenuItem( m_macPopUpMenuHandle , n + 1) ;
 151     m_noStrings --;
 152         SetControlMaximum( m_macControl , m_noStrings) ;
 153 }
 154
 155 void wxComboBox::Clear()
 156 {
 157     for ( int i = 0 ; i < m_noStrings ; i++ )
 158     {
 159         ::DeleteMenuItem( m_macPopUpMenuHandle , 1 ) ;
 160         }
 161     m_noStrings = 0;
 162         SetControlMaximum( m_macControl , m_noStrings) ;
 163 }
 164
 165 int wxComboBox::GetSelection() const
 166 {
 167     return GetControlValue( m_macControl ) -1 ;
 168 }
 169
 170 void wxComboBox::SetSelection(int n)
 171 {
 172     SetControlValue( m_macControl , n + 1 ) ;
 173 }
 174
 175 int wxComboBox::FindString(const wxString& s) const
 176 {
 177     for( int i = 0 ; i < m_noStrings ; i++ )
 178     {
 179         if ( GetString( i ) == s )
 180                 return i ;
 181     }
 182     return -1;
 183 }
 184
 185 wxString wxComboBox::GetString(int n) const
 186 {
 187     Str255 p_text ;
 188     char   c_text[255];
 189     ::GetMenuItemText( m_macPopUpMenuHandle , n+1 , p_text ) ;
 190 #if TARGET_CARBON
 191     p2cstrcpy( c_text, p_text ) ;
 192 #else
 193         p2cstr( p_text ) ;
 194     strcpy( c_text, (char *) p_text ) ;
 195 #endif
 196     return wxString( c_text );
 197 }
 198
 199 wxString wxComboBox::GetStringSelection() const
 200 {
 201     int sel = GetSelection ();
 202     if (sel > -1)
 203         return wxString(this->GetString (sel));
 204     else
 205         return wxString("");
 206 }
 207
 208 bool wxComboBox::SetStringSelection(const wxString& sel)
 209 {
 210     int s = FindString (sel);
 211     if (s > -1)
 212         {
 213             SetSelection (s);
 214             return TRUE;
 215         }
 216     else
 217         return FALSE;
 218 }
 219
 220 void wxComboBox::MacHandleControlClick( ControlHandle control , SInt16 controlpart )
 221 {
 222     wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, m_windowId );
 223         event.SetInt(GetSelection());
 224     event.SetEventObject(this);
 225     event.SetString(GetStringSelection());
 226     ProcessCommand(event);
 227 }
 228