+#include <msp/core/raii.h>
#include <msp/debug/demangle.h>
#include <msp/gl/matrix.h>
#include <msp/gl/meshbuilder.h>
first = 0;
max_scroll = 0;
view_size = 5;
+ ignore_slider_change = false;
observer = new DataObserver(*this);
void List::items_changed()
{
- check_view_range();
signal_autosize_changed.emit();
- reposition_items();
+ rebuild();
}
List::Item *List::create_item(unsigned index)
{
- Item *item = 0;
+ Item *item = 0;
if(item_factory)
item = item_factory->create_item(index);
else
item = new BasicItem(data->get_string(index));
+ if(static_cast<int>(index)==sel_index)
+ item->set_active(true);
add(*item);
- item->signal_autosize_changed.connect(sigc::mem_fun(this, &List::item_autosize_changed));
+ item->autosize();
+ item->signal_autosize_changed.connect(sigc::bind(sigc::mem_fun(this, &List::item_autosize_changed), item));
return item;
}
{
if(part.get_name()=="slider")
reposition_child(slider, part);
+ else if(part.get_name()=="items")
+ {
+ SetFlag flag(ignore_slider_change);
+ check_view_range();
+
+ const Sides &margin = part.get_margin();
+ unsigned w = geom.w-min(geom.w, margin.left+margin.right);
+ unsigned y = geom.h-min(geom.h, margin.top);
+ for(unsigned i=0; i<items.size(); ++i)
+ {
+ if(i<first || !y)
+ items[i]->set_visible(false);
+ else
+ {
+ Geometry igeom = items[i]->get_geometry();
+ if(igeom.h+margin.bottom<=y)
+ {
+ items[i]->set_visible(true);
+ y -= igeom.h;
+ igeom.x = margin.left;
+ igeom.y = y;
+ igeom.w = w;
+ items[i]->set_geometry(igeom);
+ }
+ else
+ {
+ items[i]->set_visible(false);
+ y = 0;
+ }
+ }
+ }
+ }
+
Widget::rebuild_special(part);
}
}
}
-void List::on_geometry_change()
-{
- reposition_items();
-
- check_view_range();
-}
-
-void List::on_style_change()
-{
- if(!style)
- return;
-
- reposition_items();
-
- check_view_range();
-}
-
-void List::item_autosize_changed()
+void List::item_autosize_changed(Item *item)
{
+ item->autosize();
signal_autosize_changed.emit();
- reposition_items();
-}
-
-void List::reposition_items()
-{
- if(!style)
- return;
-
- if(const Part *items_part = style->get_part("items"))
- {
- const Sides &margin = items_part->get_margin();
- unsigned w = geom.w-min(geom.w, margin.left+margin.right);
- unsigned y = geom.h-min(geom.h, margin.top);
- for(unsigned i=0; i<items.size(); ++i)
- {
- if(i<first || !y)
- items[i]->set_visible(false);
- else
- {
- Geometry igeom;
- items[i]->autosize(igeom);
- if(igeom.h+margin.bottom<=y)
- {
- items[i]->set_visible(true);
- y -= igeom.h;
- igeom.x = margin.left;
- igeom.y = y;
- igeom.w = w;
- items[i]->set_geometry(igeom);
- }
- else
- {
- items[i]->set_visible(false);
- y = 0;
- }
- }
- }
- }
+ rebuild();
}
void List::check_view_range()
void List::slider_value_changed(double value)
{
- if(max_scroll>0)
+ if(max_scroll>0 && !ignore_slider_change)
{
first = max_scroll-static_cast<unsigned>(value);
- reposition_items();
+ rebuild();
}
}
void List::DataObserver::refresh_item(unsigned i)
{
delete list.items[i];
+ // Avoid stale pointer while create_item is executing
+ list.items[i] = 0;
list.items[i] = list.create_item(i);
list.items_changed();
}
if(MultiColumnItem *mci = dynamic_cast<MultiColumnItem *>(*i))
mci->set_widths(self_widths);
}
- else
- set_widths(self_widths);
+
+ set_widths(self_widths);
}