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 wxCheckBox::wxCheckBox( wxWindow *parent, wxWindowID id, const wxString &label,
  48       const wxPoint &pos, const wxSize &size,
  49       long style, const wxString &name )
  50 {
  51   Create( parent, id, label, pos, size, style, name );
  52 };
  53
  54 bool wxCheckBox::Create(  wxWindow *parent, wxWindowID id, const wxString &label,
  55       const wxPoint &pos, const wxSize &size,
  56       long style, const wxString &name )
  57 {
  58   m_needParent = TRUE;
  59
  60   PreCreation( parent, id, pos, size, style, name );
  61
  62   m_widget = gtk_check_button_new_with_label( label );
  63
  64   wxSize newSize = size;
  65   if (newSize.x == -1) newSize.x = 25+gdk_string_measure( m_widget->style->font, label );
  66   if (newSize.y == -1) newSize.y = 26;
  67   SetSize( newSize.x, newSize.y );
  68
  69   gtk_signal_connect( GTK_OBJECT(m_widget), "clicked",
  70     GTK_SIGNAL_FUNC(gtk_checkbox_clicked_callback), (gpointer*)this );
  71
  72   PostCreation();
  73
  74   Show( TRUE );
  75
  76   return TRUE;
  77 };
  78
  79 void wxCheckBox::SetValue( bool state )
  80 {
  81   if (state)
  82     gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widget), GTK_STATE_ACTIVE );
  83   else
  84     gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widget), GTK_STATE_NORMAL );
  85 };
  86
  87 bool wxCheckBox::GetValue(void) const
  88 {
  89   GtkToggleButton *tb = GTK_TOGGLE_BUTTON(m_widget);
  90   return tb->active;
  91 };
  92