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   m_parent->AddChild( this );
  69
  70   (m_parent->m_insertCallback)( m_parent, this );
  71
  72   PostCreation();
  73
  74   gtk_widget_realize( GTK_BUTTON( m_widget )->child );
  75
  76   SetLabel( label );
  77
  78   SetBackgroundColour( parent->GetBackgroundColour() );
  79   SetForegroundColour( parent->GetForegroundColour() );
  80
  81   Show( TRUE );
  82
  83   return TRUE;
  84 }
  85
  86 void wxCheckBox::SetValue( bool state )
  87 {
  88   wxCHECK_RET( m_widget != NULL, "invalid checkbox" );
  89
  90   if (state)
  91     gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widget), GTK_STATE_ACTIVE );
  92   else
  93     gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widget), GTK_STATE_NORMAL );
  94 }
  95
  96 bool wxCheckBox::GetValue() const
  97 {
  98   wxCHECK_MSG( m_widget != NULL, FALSE, "invalid checkbox" );
  99
 100   return GTK_TOGGLE_BUTTON(m_widget)->active;
 101 }
 102
 103 void wxCheckBox::SetLabel( const wxString& label )
 104 {
 105   wxCHECK_RET( m_widget != NULL, "invalid checkbox" );
 106
 107   wxControl::SetLabel( label );
 108
 109   gtk_label_set( GTK_LABEL( GTK_BUTTON(m_widget)->child ), GetLabel() );
 110 }
 111
 112 void wxCheckBox::Enable( bool enable )
 113 {
 114   wxCHECK_RET( m_widget != NULL, "invalid checkbox" );
 115
 116   wxControl::Enable( enable );
 117
 118   gtk_widget_set_sensitive( GTK_BUTTON(m_widget)->child, enable );
 119 }
 120
 121 void wxCheckBox::ApplyWidgetStyle()
 122 {
 123   SetWidgetStyle();
 124   gtk_widget_set_style( m_widget, m_widgetStyle );
 125   gtk_widget_set_style( GTK_BUTTON(m_widget)->child, m_widgetStyle );
 126 }
 127
 128