/////////////////////////////////////////////////////////////////////////////
-// Name: checkbox.cpp
+// Name: src/gtk/checkbox.cpp
// Purpose:
// Author: Robert Roebling
-// Created: 01/02/97
-// Id:
-// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence: wxWindows licence
+// Id: $Id$
+// Copyright: (c) 1998 Robert Roebling
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
-#ifdef __GNUG__
-#pragma implementation "checkbox.h"
-#endif
+#if wxUSE_CHECKBOX
#include "wx/checkbox.h"
+#include <gtk/gtk.h>
+
//-----------------------------------------------------------------------------
-// wxCheckBox
+// data
+//-----------------------------------------------------------------------------
+
+extern bool g_blockEventsOnDrag;
+
+//-----------------------------------------------------------------------------
+// "clicked"
//-----------------------------------------------------------------------------
-void gtk_checkbox_clicked_callback( GtkWidget *WXUNUSED(widget), gpointer data )
+extern "C" {
+static void gtk_checkbox_toggled_callback(GtkWidget *widget, wxCheckBox *cb)
{
- wxCheckBox *cb = (wxCheckBox*)data;
- wxCommandEvent event(wxEVT_COMMAND_CHECKBOX_CLICKED, cb->GetId());
- event.SetInt( cb->GetValue() );
- event.SetEventObject(cb);
- cb->ProcessEvent(event);
-};
+ if (!cb->m_hasVMT) return;
+
+ if (g_blockEventsOnDrag) return;
+
+ if (cb->m_blockEvent) return;
+
+ // Transitions for 3state checkbox must be done manually, GTK's checkbox
+ // is 2state with additional "undetermined state" flag which isn't
+ // changed automatically:
+ if (cb->Is3State())
+ {
+ GtkToggleButton *toggle = GTK_TOGGLE_BUTTON(widget);
+
+ if (cb->Is3rdStateAllowedForUser())
+ {
+ // The 3 states cycle like this when clicked:
+ // checked -> undetermined -> unchecked -> checked -> ...
+ bool active = gtk_toggle_button_get_active(toggle);
+ bool inconsistent = gtk_toggle_button_get_inconsistent(toggle);
+
+ cb->m_blockEvent = true;
+
+ if (!active && !inconsistent)
+ {
+ // checked -> undetermined
+ gtk_toggle_button_set_active(toggle, true);
+ gtk_toggle_button_set_inconsistent(toggle, true);
+ }
+ else if (!active && inconsistent)
+ {
+ // undetermined -> unchecked
+ gtk_toggle_button_set_inconsistent(toggle, false);
+ }
+ else if (active && !inconsistent)
+ {
+ // unchecked -> checked
+ // nothing to do
+ }
+ else
+ {
+ wxFAIL_MSG(_T("3state wxCheckBox in unexpected state!"));
+ }
+ cb->m_blockEvent = false;
+ }
+ else
+ {
+ // user's action unsets undetermined state:
+ gtk_toggle_button_set_inconsistent(toggle, false);
+ }
+ }
+
+ wxCommandEvent event(wxEVT_COMMAND_CHECKBOX_CLICKED, cb->GetId());
+ event.SetInt(cb->Get3StateValue());
+ event.SetEventObject(cb);
+ cb->HandleWindowEvent(event);
+}
+}
+
+//-----------------------------------------------------------------------------
+// wxCheckBox
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxCheckBox,wxControl)
-wxCheckBox::wxCheckBox(void)
+wxCheckBox::wxCheckBox()
+{
+}
+
+bool wxCheckBox::Create(wxWindow *parent,
+ wxWindowID id,
+ const wxString &label,
+ const wxPoint &pos,
+ const wxSize &size,
+ long style,
+ const wxValidator& validator,
+ const wxString &name )
+{
+ m_blockEvent = false;
+
+ if (!PreCreation( parent, pos, size ) ||
+ !CreateBase( parent, id, pos, size, style, validator, name ))
+ {
+ wxFAIL_MSG( wxT("wxCheckBox creation failed") );
+ return false;
+ }
+
+ wxASSERT_MSG( (style & wxCHK_ALLOW_3RD_STATE_FOR_USER) == 0 ||
+ (style & wxCHK_3STATE) != 0,
+ wxT("Using wxCHK_ALLOW_3RD_STATE_FOR_USER")
+ wxT(" style flag for a 2-state checkbox is useless") );
+
+ if ( style & wxALIGN_RIGHT )
+ {
+ // VZ: as I don't know a way to create a right aligned checkbox with
+ // GTK we will create a checkbox without label and a label at the
+ // left of it
+ m_widgetCheckbox = gtk_check_button_new();
+
+ m_widgetLabel = gtk_label_new("");
+ gtk_misc_set_alignment(GTK_MISC(m_widgetLabel), 0.0, 0.5);
+
+ m_widget = gtk_hbox_new(FALSE, 0);
+ gtk_box_pack_start(GTK_BOX(m_widget), m_widgetLabel, FALSE, FALSE, 3);
+ gtk_box_pack_start(GTK_BOX(m_widget), m_widgetCheckbox, FALSE, FALSE, 3);
+
+ gtk_widget_show( m_widgetLabel );
+ gtk_widget_show( m_widgetCheckbox );
+ }
+ else
+ {
+ m_widgetCheckbox = gtk_check_button_new_with_label("");
+ m_widgetLabel = GTK_BIN(m_widgetCheckbox)->child;
+ m_widget = m_widgetCheckbox;
+ }
+ SetLabel( label );
+
+ g_signal_connect (m_widgetCheckbox, "toggled",
+ G_CALLBACK (gtk_checkbox_toggled_callback), this);
+
+ m_parent->DoAddChild( this );
+
+ PostCreation(size);
+
+ return true;
+}
+
+void wxCheckBox::SetValue( bool state )
+{
+ wxCHECK_RET( m_widgetCheckbox != NULL, wxT("invalid checkbox") );
+
+ if (state == GetValue())
+ return;
+
+ m_blockEvent = true;
+
+ gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON(m_widgetCheckbox), state );
+
+ m_blockEvent = false;
+}
+
+bool wxCheckBox::GetValue() const
+{
+ wxCHECK_MSG( m_widgetCheckbox != NULL, false, wxT("invalid checkbox") );
+
+ return gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(m_widgetCheckbox));
+}
+
+void wxCheckBox::DoSet3StateValue(wxCheckBoxState state)
{
-};
+ SetValue(state != wxCHK_UNCHECKED);
+ gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON(m_widgetCheckbox),
+ state == wxCHK_UNDETERMINED);
+}
-wxCheckBox::wxCheckBox( wxWindow *parent, wxWindowID id, const wxString &label,
- const wxPoint &pos, const wxSize &size,
- const long style, const wxString &name )
+wxCheckBoxState wxCheckBox::DoGet3StateValue() const
{
- Create( parent, id, label, pos, size, style, name );
-};
+ if (gtk_toggle_button_get_inconsistent(GTK_TOGGLE_BUTTON(m_widgetCheckbox)))
+ {
+ return wxCHK_UNDETERMINED;
+ }
+ else
+ {
+ return GetValue() ? wxCHK_CHECKED : wxCHK_UNCHECKED;
+ }
+}
-bool wxCheckBox::Create( wxWindow *parent, wxWindowID id, const wxString &label,
- const wxPoint &pos, const wxSize &size,
- const long style, const wxString &name )
+void wxCheckBox::SetLabel( const wxString& label )
{
- m_needParent = TRUE;
-
- PreCreation( parent, id, pos, size, style, name );
-
- m_widget = gtk_check_button_new_with_label( label );
-
- wxSize newSize = size;
- if (newSize.x == -1) newSize.x = 25+gdk_string_measure( m_widget->style->font, label );
- if (newSize.y == -1) newSize.y = 26;
- SetSize( newSize.x, newSize.y );
-
- gtk_signal_connect( GTK_OBJECT(m_widget), "clicked",
- GTK_SIGNAL_FUNC(gtk_checkbox_clicked_callback), (gpointer*)this );
-
- PostCreation();
-
- Show( TRUE );
-
- return TRUE;
-};
-
-void wxCheckBox::SetValue( const bool state )
+ wxCHECK_RET( m_widgetLabel != NULL, wxT("invalid checkbox") );
+
+ // save the label inside m_label in case user calls GetLabel() later
+ wxControl::SetLabel(label);
+
+ GTKSetLabelForLabel(GTK_LABEL(m_widgetLabel), label);
+}
+
+bool wxCheckBox::Enable( bool enable )
{
- if (state)
- gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widget), GTK_STATE_ACTIVE );
- else
- gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widget), GTK_STATE_NORMAL );
-};
+ if ( !wxControl::Enable( enable ) )
+ return false;
-bool wxCheckBox::GetValue(void) const
+ gtk_widget_set_sensitive( m_widgetLabel, enable );
+
+ return true;
+}
+
+void wxCheckBox::DoApplyWidgetStyle(GtkRcStyle *style)
{
- GtkToggleButton *tb = GTK_TOGGLE_BUTTON(m_widget);
- return tb->active;
-};
+ gtk_widget_modify_style(m_widgetCheckbox, style);
+ gtk_widget_modify_style(m_widgetLabel, style);
+}
+GdkWindow *wxCheckBox::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
+{
+ return GTK_BUTTON(m_widgetCheckbox)->event_window;
+}
+
+wxSize wxCheckBox::DoGetBestSize() const
+{
+ return wxControl::DoGetBestSize();
+}
+
+// static
+wxVisualAttributes
+wxCheckBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
+{
+ return GetDefaultAttributesFromGTKWidget(gtk_check_button_new);
+}
+
+#endif
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