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 // "clicked"
  25 //-----------------------------------------------------------------------------
  26
  27 static
  28 void gtk_radiobutton_clicked_callback( GtkWidget *WXUNUSED(widget), wxRadioButton *rb )
  29 {
  30   if (!rb->HasVMT()) return;
  31
  32   if (rb->m_blockFirstEvent)
  33   {
  34     rb->m_blockFirstEvent = FALSE;
  35     return;
  36   }
  37
  38   if (g_blockEventsOnDrag) return;
  39
  40   wxCommandEvent event( wxEVT_COMMAND_RADIOBUTTON_SELECTED, rb->GetId());
  41   event.SetInt( rb->GetValue() );
  42   event.SetEventObject( rb );
  43   rb->GetEventHandler()->ProcessEvent( event );
  44 }
  45
  46 //-----------------------------------------------------------------------------
  47 // wxRadioButton
  48 //-----------------------------------------------------------------------------
  49
  50 IMPLEMENT_DYNAMIC_CLASS(wxRadioButton,wxControl)
  51
  52 bool wxRadioButton::Create( wxWindow *parent, wxWindowID id, const wxString& label,
  53   const wxPoint& pos,  const wxSize& size, long style,
  54   const wxValidator& validator, const wxString& name )
  55 {
  56   m_needParent = TRUE;
  57
  58   wxSize newSize = size;
  59
  60   PreCreation( parent, id, pos, newSize, style, name );
  61
  62   SetValidator( validator );
  63
  64   m_widget = gtk_radio_button_new_with_label( (GSList *) NULL, label );
  65
  66   SetLabel(label);
  67
  68   m_blockFirstEvent = FALSE;
  69
  70   if (newSize.x == -1) newSize.x = 22+gdk_string_measure( m_widget->style->font, label );
  71   if (newSize.y == -1) newSize.y = 26;
  72   SetSize( newSize.x, newSize.y );
  73
  74   gtk_signal_connect( GTK_OBJECT(m_widget), "clicked",
  75     GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
  76
  77   m_parent->AddChild( this );
  78
  79   (m_parent->m_insertCallback)( m_parent, this );
  80
  81   PostCreation();
  82
  83   SetBackgroundColour( parent->GetBackgroundColour() );
  84   SetForegroundColour( parent->GetForegroundColour() );
  85
  86   Show( TRUE );
  87
  88   return TRUE;
  89 }
  90
  91 void wxRadioButton::SetLabel( const wxString& label )
  92 {
  93   wxCHECK_RET( m_widget != NULL, "invalid radiobutton" );
  94
  95   wxControl::SetLabel( label );
  96   GtkButton *bin = GTK_BUTTON( m_widget );
  97   GtkLabel *g_label = GTK_LABEL( bin->child );
  98   gtk_label_set( g_label, GetLabel() );
  99 }
 100
 101 void wxRadioButton::SetValue( bool val )
 102 {
 103   wxCHECK_RET( m_widget != NULL, "invalid radiobutton" );
 104
 105   gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widget), val );
 106
 107   m_blockFirstEvent = TRUE;
 108 }
 109
 110 bool wxRadioButton::GetValue(void) const
 111 {
 112   wxCHECK_MSG( m_widget != NULL, FALSE, "invalid radiobutton" );
 113
 114   return GTK_TOGGLE_BUTTON(m_widget)->active;
 115 }
 116
 117 void wxRadioButton::Enable( bool enable )
 118 {
 119   wxCHECK_RET( m_widget != NULL, "invalid radiobutton" );
 120
 121   wxControl::Enable( enable );
 122
 123   gtk_widget_set_sensitive( GTK_BUTTON(m_widget)->child, enable );
 124 }
 125
 126 void wxRadioButton::ApplyWidgetStyle()
 127 {
 128   SetWidgetStyle();
 129   gtk_widget_set_style( m_widget, m_widgetStyle );
 130   gtk_widget_set_style( GTK_BUTTON(m_widget)->child, m_widgetStyle );
 131 }
 132
 133