src/mac/carbon/choice.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        choice.cpp
   3 // Purpose:     wxChoice
   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 "choice.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/choice.h"
  18 #include "wx/mac/uma.h"
  19
  20 #if !USE_SHARED_LIBRARY
  21 IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl)
  22 #endif
  23
  24 bool wxChoice::Create(wxWindow *parent, wxWindowID id,
  25            const wxPoint& pos,
  26            const wxSize& size,
  27                                 int n, const wxString choices[],
  28                                 long style,
  29            const wxValidator& validator,
  30            const wxString& name)
  31 {
  32
  33                 Rect bounds ;
  34                 Str255 title ;
  35
  36                 MacPreControlCreate( parent , id ,  "" , pos , size ,style, validator , name , &bounds , title ) ;
  37
  38                 m_macControl = UMANewControl( parent->GetMacRootWindow() , &bounds , title , true , 0 , -12345 , 0 ,
  39                 kControlPopupButtonProc + kControlPopupFixedWidthVariant , (long) this ) ;
  40
  41                 m_macPopUpMenuHandle =  NewMenu( 1 , "\pPopUp Menu" ) ;
  42                 SetControlData( m_macControl , kControlNoPart , kControlPopupButtonMenuHandleTag , sizeof( MenuHandle ) , (char*) &m_macPopUpMenuHandle) ;
  43                 for ( int i = 0 ; i < n ; i++ )
  44                 {
  45                         Str255 label;
  46                         wxMenuItem::MacBuildMenuString( label , NULL , NULL , choices[i] ,false);
  47                         AppendMenu( m_macPopUpMenuHandle , label ) ;
  48                         m_strings.Add( choices[i] ) ;
  49                 }
  50                 SetControlMinimum( m_macControl , 0 ) ;
  51                 SetControlMaximum( m_macControl , Number()) ;
  52                 if ( n > 0 )
  53                         SetControlValue( m_macControl , 1 ) ;
  54
  55                 MacPostControlCreate() ;
  56
  57         return TRUE;
  58 }
  59
  60 void wxChoice::Append(const wxString& item)
  61 {
  62         Str255 label;
  63         wxMenuItem::MacBuildMenuString( label , NULL , NULL , item ,false);
  64         AppendMenu( m_macPopUpMenuHandle , label ) ;
  65         m_strings.Add( item ) ;
  66         SetControlMaximum( m_macControl , Number()) ;
  67 }
  68
  69 void wxChoice::Delete(int n)
  70 {
  71     ::DeleteMenuItem( m_macPopUpMenuHandle , n + 1) ;
  72     m_strings.Remove( n ) ;
  73         SetControlMaximum( m_macControl , Number()) ;
  74 }
  75
  76 void wxChoice::Clear()
  77 {
  78     for ( int i = 0 ; i < Number() ; i++ )
  79     {
  80         ::DeleteMenuItem( m_macPopUpMenuHandle , 1 ) ;
  81         }
  82     m_strings.Clear() ;
  83         SetControlMaximum( m_macControl , Number()) ;
  84 }
  85
  86 int wxChoice::GetSelection() const
  87 {
  88     return GetControlValue( m_macControl ) -1 ;
  89 }
  90
  91 void wxChoice::MacHandleControlClick( ControlHandle control , SInt16 controlpart )
  92 {
  93     wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, m_windowId );
  94         event.SetInt(GetSelection());
  95     event.SetEventObject(this);
  96     event.SetString(GetStringSelection());
  97     ProcessCommand(event);
  98 }
  99
 100
 101 void wxChoice::SetSelection(int n)
 102 {
 103     SetControlValue( m_macControl , n + 1 ) ;
 104 }
 105
 106 int wxChoice::FindString(const wxString& s) const
 107 {
 108     for( int i = 0 ; i < Number() ; i++ )
 109     {
 110         if ( GetString( i ) == s )
 111                 return i ;
 112     }
 113     return -1;
 114 }
 115
 116 wxString wxChoice::GetString(int n) const
 117 {
 118         return m_strings[n] ;
 119 }
 120
 121 void wxChoice::SetSize(int x, int y, int width, int height, int sizeFlags)
 122 {
 123   wxControl::SetSize( x,y,width,height,sizeFlags ) ;
 124 }
 125
 126 wxString wxChoice::GetStringSelection () const
 127 {
 128     int sel = GetSelection ();
 129     if (sel > -1)
 130         return wxString(this->GetString (sel));
 131     else
 132         return wxString("");
 133 }
 134
 135 bool wxChoice::SetStringSelection (const wxString& s)
 136 {
 137     int sel = FindString (s);
 138     if (sel > -1)
 139         {
 140             SetSelection (sel);
 141             return TRUE;
 142         }
 143     else
 144         return FALSE;
 145 }
 146
 147 void wxChoice::Command(wxCommandEvent & event)
 148 {
 149     SetSelection (event.GetInt());
 150     ProcessCommand (event);
 151 }
 152