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     m_noStrings = n;
  33
  34                 Rect bounds ;
  35                 Str255 title ;
  36
  37                 MacPreControlCreate( parent , id ,  "" , pos , size ,style, validator , name , &bounds , title ) ;
  38
  39                 m_macControl = UMANewControl( parent->GetMacRootWindow() , &bounds , title , true , 0 , -12345 , 0,
  40                 kControlPopupButtonProc , (long) this ) ;
  41
  42                 m_macPopUpMenuHandle =  NewMenu( 1 , "\pPopUp Menu" ) ;
  43                 SetControlData( m_macControl , kControlNoPart , kControlPopupButtonMenuHandleTag , sizeof( MenuHandle ) , (char*) &m_macPopUpMenuHandle) ;
  44                 for ( int i = 0 ; i < n ; i++ )
  45                 {
  46                         appendmenu( m_macPopUpMenuHandle , choices[i] ) ;
  47                 }
  48                 SetControlMinimum( m_macControl , 0 ) ;
  49                 SetControlMaximum( m_macControl , m_noStrings) ;
  50                 SetControlValue( m_macControl , 1 ) ;
  51
  52                 MacPostControlCreate() ;
  53
  54         return TRUE;
  55 }
  56
  57 void wxChoice::Append(const wxString& item)
  58 {
  59         appendmenu( m_macPopUpMenuHandle , item ) ;
  60     m_noStrings ++;
  61         SetControlMaximum( m_macControl , m_noStrings) ;
  62 }
  63
  64 void wxChoice::Delete(int n)
  65 {
  66         wxASSERT( n < m_noStrings ) ;
  67     ::DeleteMenuItem( m_macPopUpMenuHandle , n + 1) ;
  68     m_noStrings --;
  69         SetControlMaximum( m_macControl , m_noStrings) ;
  70 }
  71
  72 void wxChoice::Clear()
  73 {
  74     for ( int i = 0 ; i < m_noStrings ; i++ )
  75     {
  76         ::DeleteMenuItem( m_macPopUpMenuHandle , 1 ) ;
  77         }
  78     m_noStrings = 0;
  79         SetControlMaximum( m_macControl , m_noStrings) ;
  80 }
  81
  82 int wxChoice::GetSelection() const
  83 {
  84     return GetControlValue( m_macControl ) -1 ;
  85 }
  86
  87 void wxChoice::MacHandleControlClick( ControlHandle control , SInt16 controlpart )
  88 {
  89     wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, m_windowId );
  90         event.SetInt(GetSelection());
  91     event.SetEventObject(this);
  92     event.SetString(GetStringSelection());
  93     ProcessCommand(event);
  94 }
  95
  96
  97 void wxChoice::SetSelection(int n)
  98 {
  99     SetControlValue( m_macControl , n + 1 ) ;
 100 }
 101
 102 int wxChoice::FindString(const wxString& s) const
 103 {
 104     for( int i = 0 ; i < m_noStrings ; i++ )
 105     {
 106         if ( GetString( i ) == s )
 107                 return i ;
 108     }
 109     return -1;
 110 }
 111
 112 wxString wxChoice::GetString(int n) const
 113 {
 114         Str255 text ;
 115     ::GetMenuItemText( m_macPopUpMenuHandle , n+1 , text ) ;
 116     p2cstr( text ) ;
 117     return wxString( text );
 118 }
 119
 120 void wxChoice::SetSize(int x, int y, int width, int height, int sizeFlags)
 121 {
 122   wxControl::SetSize( x,y,width,height,sizeFlags ) ;
 123 }
 124
 125 wxString wxChoice::GetStringSelection () const
 126 {
 127     int sel = GetSelection ();
 128     if (sel > -1)
 129         return wxString(this->GetString (sel));
 130     else
 131         return wxString("");
 132 }
 133
 134 bool wxChoice::SetStringSelection (const wxString& s)
 135 {
 136     int sel = FindString (s);
 137     if (sel > -1)
 138         {
 139             SetSelection (sel);
 140             return TRUE;
 141         }
 142     else
 143         return FALSE;
 144 }
 145
 146 void wxChoice::Command(wxCommandEvent & event)
 147 {
 148     SetSelection (event.GetInt());
 149     ProcessCommand (event);
 150 }
 151