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[wxWidgets.git] / src / gtk / radiobut.cpp
diff --git a/src/gtk/radiobut.cpp b/src/gtk/radiobut.cpp
index efab7e9d5cb955c5a971202c09371ca75d851b7d..2dbfb916ee2d60bbb815a01973a8c81bc51b990f 100644 (file)
--- a/src/gtk/radiobut.cpp
+++ b/src/gtk/radiobut.cpp
@@ -1,145 +1,188 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////
-// Name:        radiobut.cpp
+// Name:        src/gtk/radiobut.cpp
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
-// Licence:    wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
 
-#ifdef __GNUG__
-#pragma implementation "radiobut.h"
-#endif
+#if wxUSE_RADIOBTN
 
 #include "wx/radiobut.h"
 
 
 #include "wx/radiobut.h"
 
+#include <gtk/gtk.h>
+#include "wx/gtk/private.h"
+#include "wx/gtk/private/gtk2-compat.h"
+
 //-----------------------------------------------------------------------------
 // data
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 // data
 //-----------------------------------------------------------------------------
 
-extern bool g_blockEventsOnDrag;
+extern bool           g_blockEventsOnDrag;
 
 //-----------------------------------------------------------------------------
 // "clicked"
 //-----------------------------------------------------------------------------
 
 
 //-----------------------------------------------------------------------------
 // "clicked"
 //-----------------------------------------------------------------------------
 
-static 
-void gtk_radiobutton_clicked_callback( GtkWidget *WXUNUSED(widget), wxRadioButton *rb )
+extern "C" {
+static
+void gtk_radiobutton_clicked_callback( GtkToggleButton *button, wxRadioButton *rb )
 {
 {
-    if (!rb->HasVMT()) return;
-  
-    if (rb->m_blockFirstEvent)
-    {
-        rb->m_blockFirstEvent = FALSE;
-        return;
-    } 
-  
     if (g_blockEventsOnDrag) return;
     if (g_blockEventsOnDrag) return;
-  
-    wxCommandEvent event( wxEVT_COMMAND_RADIOBUTTON_SELECTED, rb->GetId());
+
+    if (!gtk_toggle_button_get_active(button)) return;
+
+    wxCommandEvent event( wxEVT_RADIOBUTTON, rb->GetId());
     event.SetInt( rb->GetValue() );
     event.SetEventObject( rb );
     event.SetInt( rb->GetValue() );
     event.SetEventObject( rb );
-    rb->GetEventHandler()->ProcessEvent( event );
+    rb->HandleWindowEvent( event );
+}
 }
 
 //-----------------------------------------------------------------------------
 // wxRadioButton
 //-----------------------------------------------------------------------------
 
 }
 
 //-----------------------------------------------------------------------------
 // wxRadioButton
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxRadioButton,wxControl)
-  
-bool wxRadioButton::Create( wxWindow *parent, wxWindowID id, const wxString& label,
-  const wxPoint& pos,  const wxSize& size, long style,
-  const wxValidator& validator, const wxString& name )
+bool wxRadioButton::Create( wxWindow *parent,
+                            wxWindowID id,
+                            const wxString& label,
+                            const wxPoint& pos,
+                            const wxSize& size,
+                            long style,
+                            const wxValidator& validator,
+                            const wxString& name )
 {
 {
-    m_acceptsFocus = TRUE;
-    m_needParent = TRUE;
-
-    wxSize newSize = size;
-
-    PreCreation( parent, id, pos, newSize, style, name );
-  
-    SetValidator( validator );
-
-    m_widget = gtk_radio_button_new_with_label( (GSList *) NULL, label );
-      
-    m_theOtherRadioButtton = 
-       gtk_radio_button_new_with_label(
-         gtk_radio_button_group( GTK_RADIO_BUTTON(m_widget) ),
-         "button2" );
-  
-    SetLabel(label);
+    if (!PreCreation( parent, pos, size ) ||
+        !CreateBase( parent, id, pos, size, style, validator, name ))
+    {
+        wxFAIL_MSG( wxT("wxRadioButton creation failed") );
+        return false;
+    }
+
+    // Check if this radio button should be put into an existing group. This
+    // shouldn't be done if it's given a style to explicitly start a new group
+    // or if it's not meant to be a part of a group at all.
+    GSList* radioButtonGroup = NULL;
+    if (!HasFlag(wxRB_GROUP) && !HasFlag(wxRB_SINGLE))
+    {
+        // search backward for last group start
+        wxWindowList::compatibility_iterator node = parent->GetChildren().GetLast();
+        for (; node; node = node->GetPrevious())
+        {
+            wxWindow *child = node->GetData();
+
+            // We stop at the first previous radio button in any case as it
+            // wouldn't make sense to put this button in a group with another
+            // one if there is a radio button that is not part of the same
+            // group between them.
+            if (wxIsKindOf(child, wxRadioButton))
+            {
+                // Any preceding radio button can be used to get its group, not
+                // necessarily one with wxRB_GROUP style, but exclude
+                // wxRB_SINGLE ones as their group should never be shared.
+                if (!child->HasFlag(wxRB_SINGLE))
+                {
+                    radioButtonGroup = gtk_radio_button_get_group(
+                        GTK_RADIO_BUTTON(child->m_widget));
+                }
+
+                break;
+            }
+        }
+    }
+
+    m_widget = gtk_radio_button_new_with_label( radioButtonGroup, wxGTK_CONV( label ) );
+    g_object_ref(m_widget);
 
 
-    m_blockFirstEvent = FALSE;
-    
-    if (newSize.x == -1) newSize.x = 22+gdk_string_measure( m_widget->style->font, label );
-    if (newSize.y == -1) newSize.y = 26;
-    SetSize( newSize.x, newSize.y );
+    SetLabel(label);
 
 
-    gtk_signal_connect( GTK_OBJECT(m_widget), "clicked", 
-      GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
-       
-    m_parent->AddChild( this );
+    g_signal_connect_after (m_widget, "clicked",
+                            G_CALLBACK (gtk_radiobutton_clicked_callback), this);
 
 
-    (m_parent->m_insertCallback)( m_parent, this );
-  
-    PostCreation();
+    m_parent->DoAddChild( this );
 
 
-    SetBackgroundColour( parent->GetBackgroundColour() );
-    SetForegroundColour( parent->GetForegroundColour() );
-  
-    Show( TRUE );
+    PostCreation(size);
 
 
-    return TRUE;
+    return true;
 }
 
 void wxRadioButton::SetLabel( const wxString& label )
 {
 }
 
 void wxRadioButton::SetLabel( const wxString& label )
 {
-    wxCHECK_RET( m_widget != NULL, "invalid radiobutton" );
-  
-    wxControl::SetLabel( label );
-    GtkButton *bin = GTK_BUTTON( m_widget );
-    GtkLabel *g_label = GTK_LABEL( bin->child );
-    gtk_label_set( g_label, GetLabel() );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid radiobutton") );
+
+    // save the original label
+    wxControlBase::SetLabel(label);
+
+    GTKSetLabelForLabel(GTK_LABEL(gtk_bin_get_child(GTK_BIN(m_widget))), label);
 }
 
 void wxRadioButton::SetValue( bool val )
 {
 }
 
 void wxRadioButton::SetValue( bool val )
 {
-    wxCHECK_RET( m_widget != NULL, "invalid radiobutton" );
-  
-    if ( val == GetValue() )
+    wxCHECK_RET( m_widget != NULL, wxT("invalid radiobutton") );
+
+    if (val == GetValue())
         return;
 
         return;
 
-    m_blockFirstEvent = TRUE;
-  
+    g_signal_handlers_block_by_func(
+        m_widget, (void*)gtk_radiobutton_clicked_callback, this);
+
     if (val)
     if (val)
-        gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widget), TRUE );
+    {
+        gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON(m_widget), TRUE );
+    }
     else
     else
-        gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_theOtherRadioButtton), TRUE );
+    {
+        // should give an assert
+        // RL - No it shouldn't.  A wxGenericValidator might try to set it
+        //      as FALSE.  Failing silently is probably TRTTD here.
+    }
+
+    g_signal_handlers_unblock_by_func(
+        m_widget, (void*)gtk_radiobutton_clicked_callback, this);
+}
+
+bool wxRadioButton::GetValue() const
+{
+    wxCHECK_MSG( m_widget != NULL, false, wxT("invalid radiobutton") );
+
+    return gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(m_widget)) != 0;
 }
 
 }
 
-bool wxRadioButton::GetValue(void) const
+bool wxRadioButton::Enable( bool enable )
 {
 {
-    wxCHECK_MSG( m_widget != NULL, FALSE, "invalid radiobutton" );
-  
-    return GTK_TOGGLE_BUTTON(m_widget)->active;
+    if (!base_type::Enable(enable))
+        return false;
+
+    gtk_widget_set_sensitive(gtk_bin_get_child(GTK_BIN(m_widget)), enable);
+
+    if (enable)
+        GTKFixSensitivity();
+
+    return true;
 }
 
 }
 
-void wxRadioButton::Enable( bool enable )
+void wxRadioButton::DoApplyWidgetStyle(GtkRcStyle *style)
 {
 {
-    wxCHECK_RET( m_widget != NULL, "invalid radiobutton" );
-  
-    wxControl::Enable( enable );
-  
-    gtk_widget_set_sensitive( GTK_BUTTON(m_widget)->child, enable );
+    GTKApplyStyle(m_widget, style);
+    GTKApplyStyle(gtk_bin_get_child(GTK_BIN(m_widget)), style);
 }
 
 }
 
-void wxRadioButton::ApplyWidgetStyle()
+GdkWindow *
+wxRadioButton::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
 {
 {
-    SetWidgetStyle();
-    gtk_widget_set_style( m_widget, m_widgetStyle );
-    gtk_widget_set_style( GTK_BUTTON(m_widget)->child, m_widgetStyle );
+    return gtk_button_get_event_window(GTK_BUTTON(m_widget));
+}
+
+// static
+wxVisualAttributes
+wxRadioButton::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
+{
+    return GetDefaultAttributesFromGTKWidget(gtk_radio_button_new_with_label(NULL, ""));
 }
 
 
 }
 
 
+#endif
wxWidgets (Impactor)