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 IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl)
  21
  22 bool wxChoice::Create(wxWindow *parent, wxWindowID id,
  23            const wxPoint& pos,
  24            const wxSize& size,
  25                                 int n, const wxString choices[],
  26                                 long style,
  27            const wxValidator& validator,
  28            const wxString& name)
  29 {
  30     m_noStrings = n;
  31
  32                 Rect bounds ;
  33                 Str255 title ;
  34
  35                 MacPreControlCreate( parent , id ,  "" , pos , size ,style, validator , name , &bounds , title ) ;
  36
  37                 m_macControl = UMANewControl( parent->GetMacRootWindow() , &bounds , title , true , 0 , -12345 , 0 ,
  38                 kControlPopupButtonProc + kControlPopupFixedWidthVariant , (long) this ) ;
  39
  40                 m_macPopUpMenuHandle =  NewMenu( 1 , "\pPopUp Menu" ) ;
  41                 SetControlData( m_macControl , kControlNoPart , kControlPopupButtonMenuHandleTag , sizeof( MenuHandle ) , (char*) &m_macPopUpMenuHandle) ;
  42                 for ( int i = 0 ; i < n ; i++ )
  43                 {
  44                         appendmenu( m_macPopUpMenuHandle , choices[i] ) ;
  45                 }
  46                 SetControlMinimum( m_macControl , 0 ) ;
  47                 SetControlMaximum( m_macControl , m_noStrings) ;
  48                 SetControlValue( m_macControl , 1 ) ;
  49
  50                 MacPostControlCreate() ;
  51
  52         return TRUE;
  53 }
  54
  55 void wxChoice::Append(const wxString& item)
  56 {
  57         appendmenu( m_macPopUpMenuHandle , item ) ;
  58     m_noStrings ++;
  59         SetControlMaximum( m_macControl , m_noStrings) ;
  60 }
  61
  62 void wxChoice::Delete(int n)
  63 {
  64         wxASSERT( n < m_noStrings ) ;
  65     ::DeleteMenuItem( m_macPopUpMenuHandle , n + 1) ;
  66     m_noStrings --;
  67         SetControlMaximum( m_macControl , m_noStrings) ;
  68 }
  69
  70 void wxChoice::Clear()
  71 {
  72     for ( int i = 0 ; i < m_noStrings ; i++ )
  73     {
  74         ::DeleteMenuItem( m_macPopUpMenuHandle , 1 ) ;
  75         }
  76     m_noStrings = 0;
  77         SetControlMaximum( m_macControl , m_noStrings) ;
  78 }
  79
  80 int wxChoice::GetSelection() const
  81 {
  82     return GetControlValue( m_macControl ) -1 ;
  83 }
  84
  85 void wxChoice::MacHandleControlClick( ControlHandle control , SInt16 controlpart )
  86 {
  87     wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, m_windowId );
  88         event.SetInt(GetSelection());
  89     event.SetEventObject(this);
  90     event.SetString(GetStringSelection());
  91     ProcessCommand(event);
  92 }
  93
  94
  95 void wxChoice::SetSelection(int n)
  96 {
  97     SetControlValue( m_macControl , n + 1 ) ;
  98 }
  99
 100 int wxChoice::FindString(const wxString& s) const
 101 {
 102     for( int i = 0 ; i < m_noStrings ; i++ )
 103     {
 104         if ( GetString( i ) == s )
 105                 return i ;
 106     }
 107     return -1;
 108 }
 109
 110 wxString wxChoice::GetString(int n) const
 111 {
 112         Str255 text ;
 113     ::GetMenuItemText( m_macPopUpMenuHandle , n+1 , text ) ;
 114     p2cstr( text ) ;
 115     return wxString( text );
 116 }
 117
 118 void wxChoice::SetSize(int x, int y, int width, int height, int sizeFlags)
 119 {
 120   wxControl::SetSize( x,y,width,height,sizeFlags ) ;
 121 }
 122
 123 wxString wxChoice::GetStringSelection () const
 124 {
 125     int sel = GetSelection ();
 126     if (sel > -1)
 127         return wxString(this->GetString (sel));
 128     else
 129         return wxString("");
 130 }
 131
 132 bool wxChoice::SetStringSelection (const wxString& s)
 133 {
 134     int sel = FindString (s);
 135     if (sel > -1)
 136         {
 137             SetSelection (sel);
 138             return TRUE;
 139         }
 140     else
 141         return FALSE;
 142 }
 143
 144 void wxChoice::Command(wxCommandEvent & event)
 145 {
 146     SetSelection (event.GetInt());
 147     ProcessCommand (event);
 148 }
 149