namespace Msp {
namespace GLtk {
-Dropdown::Dropdown():
- dropped(false)
+Dropdown::Dropdown()
{
- add(list);
- list.signal_item_selected.connect(sigc::mem_fun(this, &Dropdown::list_item_selected));
- list.signal_autosize_changed.connect(sigc::mem_fun(this, &Dropdown::list_autosize_changed));
+ init();
}
-void Dropdown::autosize()
+Dropdown::Dropdown(ListData &d):
+ list(d)
{
- if(!style)
- return;
-
- Widget::autosize();
- geom.w = max(geom.w, list.get_geometry().w);
-
- if(const Part *text_part = style->get_part("text"))
- {
- const Sides &margin = text_part->get_margin();
- const GL::Font *font = style->get_font();
- float font_size = style->get_font_size();
- unsigned line_height = static_cast<unsigned>((font->get_ascent()-font->get_descent())*font_size);
- geom.h = max(geom.h, line_height+margin.top+margin.bottom);
- }
+ init();
}
-void Dropdown::append(const string &item)
+void Dropdown::init()
{
- list.append(item);
-}
+ dropped = false;
-void Dropdown::insert(unsigned i, const string &v)
-{
- list.insert(i, v);
+ add(list);
+ list.set_view_all();
+ list.signal_item_selected.connect(sigc::mem_fun(this, &Dropdown::list_item_selected));
+ list.signal_autosize_changed.connect(sigc::mem_fun(this, &Dropdown::list_autosize_changed));
}
-void Dropdown::remove(unsigned i)
+void Dropdown::autosize_special(const Part &part, Geometry &ageom)
{
- list.remove(i);
-}
+ if(part.get_name()=="list")
+ {
+ list.autosize();
+ ageom.w = max(ageom.w, list.get_geometry().w);
+ }
+ else if(part.get_name()=="text")
+ {
+ const Sides &margin = part.get_margin();
+ const GL::Font &font = style->get_font();
+ float font_size = style->get_font_size();
-void Dropdown::clear()
-{
- list.clear();
-}
+ unsigned max_w = 0;
+ const ListData &data = list.get_data();
+ for(unsigned i=0; i<data.size(); ++i)
+ {
+ unsigned w = static_cast<unsigned>(font.get_string_width(data.get_string(i))*font_size);
+ max_w = max(max_w, w);
+ }
+ ageom.w = max(ageom.w, max_w+margin.left+margin.right);
-unsigned Dropdown::get_n_items() const
-{
- return list.get_n_items();
-}
+ unsigned line_height = static_cast<unsigned>((font.get_ascent()-font.get_descent())*font_size);
+ ageom.h = max(ageom.h, line_height+margin.top+margin.bottom);
+ }
-void Dropdown::set_selected_index(int i)
-{
- list.set_selected_index(i);
+ rebuild();
}
-const string &Dropdown::get_selected() const
+void Dropdown::set_selected_index(int index)
{
- return list.get_selected();
+ list.set_selected_index(index);
+ if(index<0)
+ text.set(string());
}
-int Dropdown::get_selected_index() const
+void Dropdown::rebuild_special(const Part &part)
{
- return list.get_selected_index();
+ if(part.get_name()=="text")
+ text.build(part, geom, part_cache);
+ else
+ Widget::rebuild_special(part);
}
-void Dropdown::render_special(const Part &part) const
+void Dropdown::render_special(const Part &part, GL::Renderer &renderer) const
{
- if(part.get_name()=="text")
- {
- if(list.get_selected_index()>=0)
- Text(*style, list.get_selected()).render(part, geom);
- }
- else if(part.get_name()=="list" && dropped)
- list.render();
+ if(part.get_name()=="list" && dropped)
+ list.render(renderer);
}
void Dropdown::button_press(int x, int y, unsigned btn)
if(!click_focus)
{
dropped = false;
- state &= ~ACTIVE;
+ clear_state(ACTIVE);
signal_ungrab_pointer.emit();
}
}
else if(btn==1)
{
dropped = true;
- state |= ACTIVE;
+ set_state(ACTIVE);
signal_grab_pointer.emit();
}
}
void Dropdown::on_style_change()
{
+ text.set_style(style);
resize_list();
}
void Dropdown::resize_list()
{
- list.autosize_all();
+ list.autosize();
Geometry lgeom = list.get_geometry();
lgeom.x = 0;
lgeom.y = -lgeom.h;
list.set_geometry(lgeom);
}
-void Dropdown::list_item_selected(unsigned index, const std::string &item)
+void Dropdown::list_item_selected(unsigned index)
{
if(dropped)
{
dropped = false;
- state &= ~ACTIVE;
+ clear_state(ACTIVE);
signal_ungrab_pointer.emit();
}
- signal_item_selected.emit(index, item);
+ text.set(list.get_data().get_string(index));
+
+ signal_item_selected.emit(index);
+ rebuild();
}
Dropdown::Loader::Loader(Dropdown &d):
- Widget::Loader(d)
+ DataFile::DerivedObjectLoader<Dropdown, Widget::Loader>(d)
{
add("item", &Loader::item);
}
-void Dropdown::Loader::item(const string &str)
+void Dropdown::Loader::item(const string &v)
{
- dynamic_cast<Dropdown &>(obj).append(str);
+ dynamic_cast<BasicListData<string> &>(obj.list.get_data()).append(v);
}
} // namespace GLtk