src/gtk/radiobut.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        radiobut.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10
  11 #ifdef __GNUG__
  12 #pragma implementation "radiobut.h"
  13 #endif
  14
  15 #include "wx/radiobut.h"
  16
  17 //-----------------------------------------------------------------------------
  18 // data
  19 //-----------------------------------------------------------------------------
  20
  21 extern bool g_blockEventsOnDrag;
  22
  23 //-----------------------------------------------------------------------------
  24 // wxRadioButton
  25 //-----------------------------------------------------------------------------
  26
  27 IMPLEMENT_DYNAMIC_CLASS(wxRadioButton,wxControl)
  28
  29 static void gtk_radiobutton_clicked_callback( GtkWidget *WXUNUSED(widget), wxRadioButton *rb )
  30 {
  31   if (!rb->HasVMT()) return;
  32   if (g_blockEventsOnDrag) return;
  33
  34   wxCommandEvent event( wxEVT_COMMAND_RADIOBUTTON_SELECTED, rb->GetId());
  35   event.SetInt( rb->GetValue() );
  36   event.SetEventObject( rb );
  37   rb->GetEventHandler()->ProcessEvent( event );
  38 }
  39
  40 bool wxRadioButton::Create( wxWindow *parent, wxWindowID id, const wxString& label,
  41   const wxPoint& pos,  const wxSize& size, long style,
  42   const wxValidator& validator, const wxString& name )
  43 {
  44   m_needParent = TRUE;
  45
  46   wxSize newSize = size;
  47
  48   PreCreation( parent, id, pos, newSize, style, name );
  49
  50   SetValidator( validator );
  51
  52   m_widget = gtk_radio_button_new_with_label( (GSList *) NULL, label );
  53
  54   SetLabel(label);
  55
  56   if (newSize.x == -1) newSize.x = 22+gdk_string_measure( m_widget->style->font, label );
  57   if (newSize.y == -1) newSize.y = 26;
  58   SetSize( newSize.x, newSize.y );
  59
  60   gtk_signal_connect( GTK_OBJECT(m_widget), "clicked",
  61     GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
  62
  63   PostCreation();
  64
  65   Show( TRUE );
  66
  67   return TRUE;
  68 }
  69
  70 void wxRadioButton::SetLabel( const wxString& label )
  71 {
  72   wxCHECK_RET( m_widget != NULL, "invalid radiobutton" );
  73
  74   wxControl::SetLabel( label );
  75   GtkButton *bin = GTK_BUTTON( m_widget );
  76   GtkLabel *g_label = GTK_LABEL( bin->child );
  77   gtk_label_set( g_label, GetLabel() );
  78 }
  79
  80 void wxRadioButton::SetValue( bool val )
  81 {
  82   wxCHECK_RET( m_widget != NULL, "invalid radiobutton" );
  83
  84   gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widget), val );
  85 }
  86
  87 bool wxRadioButton::GetValue(void) const
  88 {
  89   wxCHECK_MSG( m_widget != NULL, FALSE, "invalid radiobutton" );
  90
  91   return GTK_TOGGLE_BUTTON(m_widget)->active;
  92 }
  93
  94 void wxRadioButton::Enable( bool enable )
  95 {
  96   wxCHECK_RET( m_widget != NULL, "invalid radiobutton" );
  97
  98   wxControl::Enable( enable );
  99
 100   gtk_widget_set_sensitive( GTK_BUTTON(m_widget)->child, enable );
 101 }
 102
 103 void wxRadioButton::SetFont( const wxFont &font )
 104 {
 105   wxCHECK_RET( m_widget != NULL, "invalid radiobutton" );
 106
 107   wxControl::SetFont( font );
 108
 109   gtk_widget_set_style( GTK_BUTTON(m_widget)->child, m_widgetStyle );
 110 }
 111
 112 void wxRadioButton::SetBackgroundColour( const wxColour &colour )
 113 {
 114   wxCHECK_RET( m_widget != NULL, "invalid radiobutton" );
 115
 116   wxControl::SetBackgroundColour( colour );
 117
 118   if (!m_backgroundColour.Ok()) return;
 119
 120   gtk_widget_set_style( m_widget, m_widgetStyle );
 121 }
 122