+// "size_request" from m_toolbar
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static void
+size_request(GtkWidget*, GtkRequisition* req, wxToolBar* win)
+{
+ const wxSize margins = win->GetMargins();
+ req->width += margins.x;
+ req->height += 2 * margins.y;
+}
+}
+
+//-----------------------------------------------------------------------------
+// "expose_event" from GtkImage inside m_item
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static gboolean
+image_expose_event(GtkWidget* widget, GdkEventExpose*, wxToolBarTool* tool)
+{
+ const wxBitmap& bitmap = tool->GetDisabledBitmap();
+ if (tool->IsEnabled() || !bitmap.IsOk())
+ return false;
+
+ // draw disabled bitmap ourselves, GtkImage has no way to specify it
+ const GtkAllocation& alloc = widget->allocation;
+ gdk_draw_pixbuf(
+ widget->window, widget->style->black_gc, bitmap.GetPixbuf(),
+ 0, 0,
+ alloc.x + (alloc.width - widget->requisition.width) / 2,
+ alloc.y + (alloc.height - widget->requisition.height) / 2,
+ -1, -1, GDK_RGB_DITHER_NORMAL, 0, 0);
+ return true;
+}
+}
+
+//-----------------------------------------------------------------------------
+// "toggled" from dropdown menu button
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static void arrow_toggled(GtkToggleButton* button, wxToolBarTool* tool)
+{
+ if (gtk_toggle_button_get_active(button))
+ {
+ tool->ShowDropdown(button);
+ gtk_toggle_button_set_active(button, false);
+ }
+}
+}
+
+//-----------------------------------------------------------------------------
+// "button_press_event" from dropdown menu button