Improve widget part caching

[libs/gltk.git] / source / dropdown.cpp

diff --git a/source/dropdown.cpp b/source/dropdown.cpp
index ee8ec55b7d1e8d46874e42deb82c947fa4d02ca4..ddf5c9268500479655796caecf9bad0a1ec71e20 100644 (file)
--- a/source/dropdown.cpp
+++ b/source/dropdown.cpp
@@ -63,16 +63,19 @@ void Dropdown::autosize()
        rebuild();
 }
 
-void Dropdown::rebuild_special(const Part &part, CachedPart &cache)
+void Dropdown::set_selected_index(int index)
+{
+       list.set_selected_index(index);
+       if(index<0)
+               text.set(string());
+}
+
+void Dropdown::rebuild_special(const Part &part)
 {
        if(part.get_name()=="text")
-       {
-               int sel = list.get_selected_index();
-               if(sel>=0)
-                       Text(*style, list.get_data().get_string(sel)).build(part, geom, cache);
-               else
-                       cache.texture = 0;
-       }
+               text.build(part, geom, part_cache);
+       else
+               Widget::rebuild_special(part);
 }
 
 void Dropdown::render_special(const Part &part, GL::Renderer &renderer) const
@@ -108,6 +111,7 @@ void Dropdown::on_geometry_change()
 
 void Dropdown::on_style_change()
 {
+       text.set_style(style);
        resize_list();
 }
 
@@ -156,6 +160,8 @@ void Dropdown::list_item_selected(unsigned index)
                signal_ungrab_pointer.emit();
        }
 
+       text.set(list.get_data().get_string(index));
+
        signal_item_selected.emit(index);
        rebuild();
 }