src/gtk/checkbox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        checkbox.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Created:     01/02/97
   6 // Id:
   7 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "checkbox.h"
  14 #endif
  15
  16 #include "wx/checkbox.h"
  17
  18 //-----------------------------------------------------------------------------
  19 // data
  20 //-----------------------------------------------------------------------------
  21
  22 extern bool   g_blockEventsOnDrag;
  23
  24 //-----------------------------------------------------------------------------
  25 // wxCheckBox
  26 //-----------------------------------------------------------------------------
  27
  28 static void gtk_checkbox_clicked_callback( GtkWidget *WXUNUSED(widget), wxCheckBox *cb )
  29 {
  30   if (!cb->HasVMT()) return;
  31   if (g_blockEventsOnDrag) return;
  32
  33   wxCommandEvent event(wxEVT_COMMAND_CHECKBOX_CLICKED, cb->GetId());
  34   event.SetInt( cb->GetValue() );
  35   event.SetEventObject(cb);
  36   cb->GetEventHandler()->ProcessEvent(event);
  37 }
  38
  39 //-----------------------------------------------------------------------------
  40
  41 IMPLEMENT_DYNAMIC_CLASS(wxCheckBox,wxControl)
  42
  43 wxCheckBox::wxCheckBox(void)
  44 {
  45 }
  46
  47 bool wxCheckBox::Create(  wxWindow *parent, wxWindowID id, const wxString &label,
  48       const wxPoint &pos, const wxSize &size,
  49       long style, const wxValidator& validator, const wxString &name )
  50 {
  51   m_needParent = TRUE;
  52
  53   PreCreation( parent, id, pos, size, style, name );
  54
  55   SetValidator( validator );
  56
  57   SetLabel( label );
  58
  59   m_widget = gtk_check_button_new_with_label( m_label );
  60
  61   wxSize newSize = size;
  62   if (newSize.x == -1) newSize.x = 25+gdk_string_measure( m_widget->style->font, label );
  63   if (newSize.y == -1) newSize.y = 26;
  64   SetSize( newSize.x, newSize.y );
  65
  66   gtk_signal_connect( GTK_OBJECT(m_widget), "clicked",
  67     GTK_SIGNAL_FUNC(gtk_checkbox_clicked_callback), (gpointer*)this );
  68
  69   PostCreation();
  70
  71   Show( TRUE );
  72
  73   return TRUE;
  74 }
  75
  76 void wxCheckBox::SetValue( bool state )
  77 {
  78   if (state)
  79     gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widget), GTK_STATE_ACTIVE );
  80   else
  81     gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widget), GTK_STATE_NORMAL );
  82 }
  83
  84 bool wxCheckBox::GetValue(void) const
  85 {
  86   GtkToggleButton *tb = GTK_TOGGLE_BUTTON(m_widget);
  87   return tb->active;
  88 }
  89