src/gtk/checkbox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        checkbox.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 "checkbox.h"
  13 #endif
  14
  15 #include "wx/checkbox.h"
  16
  17 //-----------------------------------------------------------------------------
  18 // data
  19 //-----------------------------------------------------------------------------
  20
  21 extern bool   g_blockEventsOnDrag;
  22
  23 //-----------------------------------------------------------------------------
  24 // "clicked"
  25 //-----------------------------------------------------------------------------
  26
  27 static void gtk_checkbox_clicked_callback( GtkWidget *WXUNUSED(widget), wxCheckBox *cb )
  28 {
  29   if (!cb->HasVMT()) return;
  30   if (g_blockEventsOnDrag) return;
  31
  32   wxCommandEvent event(wxEVT_COMMAND_CHECKBOX_CLICKED, cb->GetId());
  33   event.SetInt( cb->GetValue() );
  34   event.SetEventObject(cb);
  35   cb->GetEventHandler()->ProcessEvent(event);
  36 }
  37
  38 //-----------------------------------------------------------------------------
  39 // wxCheckBox
  40 //-----------------------------------------------------------------------------
  41
  42 IMPLEMENT_DYNAMIC_CLASS(wxCheckBox,wxControl)
  43
  44 wxCheckBox::wxCheckBox(void)
  45 {
  46 }
  47
  48 bool wxCheckBox::Create(  wxWindow *parent, wxWindowID id, const wxString &label,
  49       const wxPoint &pos, const wxSize &size,
  50       long style, const wxValidator& validator, const wxString &name )
  51 {
  52   m_needParent = TRUE;
  53
  54   PreCreation( parent, id, pos, size, style, name );
  55
  56   SetValidator( validator );
  57
  58   m_widget = gtk_check_button_new_with_label( m_label );
  59
  60   wxSize newSize = size;
  61   if (newSize.x == -1) newSize.x = 25+gdk_string_measure( m_widget->style->font, label );
  62   if (newSize.y == -1) newSize.y = 26;
  63   SetSize( newSize.x, newSize.y );
  64
  65   gtk_signal_connect( GTK_OBJECT(m_widget), "clicked",
  66     GTK_SIGNAL_FUNC(gtk_checkbox_clicked_callback), (gpointer*)this );
  67
  68   PostCreation();
  69
  70   SetLabel( label );
  71
  72   Show( TRUE );
  73
  74   return TRUE;
  75 }
  76
  77 void wxCheckBox::SetValue( bool state )
  78 {
  79   if (state)
  80     gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widget), GTK_STATE_ACTIVE );
  81   else
  82     gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widget), GTK_STATE_NORMAL );
  83 }
  84
  85 bool wxCheckBox::GetValue() const
  86 {
  87   GtkToggleButton *tb = GTK_TOGGLE_BUTTON(m_widget);
  88   return tb->active;
  89 }
  90
  91 void wxCheckBox::SetLabel( const wxString& label )
  92 {
  93   wxControl::SetLabel( label );
  94   GtkButton *bin = GTK_BUTTON( m_widget );
  95   GtkLabel *g_label = GTK_LABEL( bin->child );
  96   gtk_label_set( g_label, GetLabel() );
  97 }
  98
  99 void wxCheckBox::Enable( bool enable )
 100 {
 101   wxControl::Enable( enable );
 102   GtkButton *bin = GTK_BUTTON( m_widget );
 103   GtkWidget *label = bin->child;
 104   gtk_widget_set_sensitive( label, enable );
 105 }
 106
 107 void wxCheckBox::SetFont( const wxFont &font )
 108 {
 109   if (((wxFont*)&font)->Ok())
 110     m_font = font;
 111   else
 112     m_font = *wxSWISS_FONT;
 113
 114   GtkButton *bin = GTK_BUTTON( m_widget );
 115   GtkWidget *label = bin->child;
 116
 117   GtkStyle *style = (GtkStyle*) NULL;
 118   if (!m_hasOwnStyle)
 119   {
 120     m_hasOwnStyle = TRUE;
 121     style = gtk_style_copy( gtk_widget_get_style( label ) );
 122   }
 123   else
 124   {
 125     style = gtk_widget_get_style( label );
 126   }
 127
 128   gdk_font_unref( style->font );
 129   style->font = gdk_font_ref( m_font.GetInternalFont( 1.0 ) );
 130
 131   gtk_widget_set_style( label, style );
 132 }