+ m_needParent = TRUE;
+ m_acceptsFocus = TRUE;
+
+ if (!PreCreation( parent, pos, size ) ||
+ !CreateBase( parent, id, pos, size, style, validator, name ))
+ {
+ wxFAIL_MSG( wxT("wxButton creation failed") );
+ return FALSE;
+ }
+
+#ifdef __WXGTK20__
+ m_widget = gtk_button_new_with_mnemonic("");
+#else
+ m_widget = gtk_button_new_with_label("");
+#endif
+
+ float x_alignment = 0.5;
+ if (HasFlag(wxBU_LEFT))
+ x_alignment = 0.0;
+ else if (HasFlag(wxBU_RIGHT))
+ x_alignment = 1.0;
+
+ float y_alignment = 0.5;
+ if (HasFlag(wxBU_TOP))
+ y_alignment = 0.0;
+ else if (HasFlag(wxBU_BOTTOM))
+ y_alignment = 1.0;
+
+#ifdef __WXGTK24__
+ if (!gtk_check_version(2,4,0))
+ {
+ gtk_button_set_alignment(GTK_BUTTON(m_widget), x_alignment, y_alignment);
+ }
+ else
+#endif
+ {
+ if (GTK_IS_MISC(BUTTON_CHILD(m_widget)))
+ gtk_misc_set_alignment (GTK_MISC (BUTTON_CHILD (m_widget)),
+ x_alignment, y_alignment);
+ }
+
+ SetLabel(label);
+
+ if (style & wxNO_BORDER)
+ gtk_button_set_relief( GTK_BUTTON(m_widget), GTK_RELIEF_NONE );
+
+ gtk_signal_connect_after( GTK_OBJECT(m_widget), "clicked",
+ GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this );
+
+ gtk_signal_connect_after( GTK_OBJECT(m_widget), "style_set",
+ GTK_SIGNAL_FUNC(gtk_button_style_set_callback), (gpointer*) this );
+
+ m_parent->DoAddChild( this );
+
+ PostCreation(size);
+
+ return true;
+}
+
+
+void wxButton::SetDefault()
+{
+ wxWindow *parent = GetParent();
+ wxCHECK_RET( parent, _T("button without parent?") );
+
+ parent->SetDefaultItem(this);
+
+ GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT );
+ gtk_widget_grab_default( m_widget );
+
+ // resize for default border
+ gtk_button_style_set_callback( m_widget, NULL, this );
+}
+
+/* static */
+wxSize wxButtonBase::GetDefaultSize()
+{
+#ifdef __WXGTK20__
+ static wxSize size = wxDefaultSize;
+ if (size == wxDefaultSize)
+ {
+ // NB: Default size of buttons should be same as size of stock
+ // buttons as used in most GTK+ apps. Unfortunately it's a little
+ // tricky to obtain this size: stock button's size may be smaller
+ // than size of button in GtkButtonBox and vice versa,
+ // GtkButtonBox's minimal button size may be smaller than stock
+ // button's size. We have to retrieve both values and combine them.
+
+ GtkWidget *wnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+ GtkWidget *box = gtk_hbutton_box_new();
+ GtkWidget *btn = gtk_button_new_from_stock(GTK_STOCK_CANCEL);
+ gtk_container_add(GTK_CONTAINER(box), btn);
+ gtk_container_add(GTK_CONTAINER(wnd), box);
+ GtkRequisition req;
+ gtk_widget_size_request(btn, &req);
+
+ gint minwidth, minheight;
+ gtk_widget_style_get(box,
+ "child-min-width", &minwidth,
+ "child-min-height", &minheight,
+ NULL);
+
+ size.x = wxMax(minwidth, req.width);
+ size.y = wxMax(minheight, req.height);
+
+ gtk_widget_destroy(wnd);
+ }
+ return size;
+#else
+ return wxSize(80,26);
+#endif
+}
+
+void wxButton::SetLabel( const wxString &lbl )
+{
+ wxCHECK_RET( m_widget != NULL, wxT("invalid button") );