List::List():
- data(new BasicListData<string>),
- own_data(true)
+ List(*new BasicListData<string>)
{
- init();
+ own_data = true;
}
List::List(ListData &d):
data(&d),
- own_data(false)
-{
- init();
-}
-
-void List::init()
+ observer(new DataObserver(*this))
{
input_type = INPUT_NAVIGATION;
- item_factory = 0;
- view_mode = LIST;
- sel_index = -1;
- focus_index = -1;
- first_row = 0;
- max_scroll = 0;
- view_rows = 5;
- view_columns = 5;
- items_part = 0;
- ignore_slider_change = false;
- dragging = false;
- drag_start_x = 0;
- drag_start_y = 0;
-
- observer = new DataObserver(*this);
-
add(slider);
slider.set_step(1);
slider.signal_value_changed.connect(sigc::mem_fun(this, &List::slider_value_changed));
own_data = false;
observer = new DataObserver(*this);
- for(vector<Item *>::iterator i=items.begin(); i!=items.end(); ++i)
- delete *i;
+ for(Item *i: items)
+ delete i;
items.clear();
unsigned n_items = data->size();
for(unsigned i=0; i<n_items; ++i)
List::Item *List::create_item(unsigned index)
{
- Item *item = 0;
+ Item *item = nullptr;
if(item_factory)
item = item_factory->create_item(index);
else
{
sel_index = -1;
focus_index = -1;
- set_input_focus(0);
+ set_input_focus(nullptr);
signal_selection_cleared.emit();
}
else
void List::on_style_change()
{
- items_part = (style ? style->get_part("items") : 0);
+ items_part = (style ? style->find_part("items") : nullptr);
}
void List::move_focus(Navigation nav, bool select)
{
list.sel_index = -1;
list.focus_index = -1;
- for(vector<Item *>::iterator i=list.items.begin(); i!=list.items.end(); ++i)
- delete *i;
+ for(Item *i: list.items)
+ delete i;
list.items.clear();
list.items_changed();
{
delete list.items[i];
// Avoid stale pointer while create_item is executing
- list.items[i] = 0;
+ list.items[i] = nullptr;
list.items[i] = list.create_item(i);
list.items_changed();
}
if(part.get_name()=="children")
{
const Sides &margin = part.get_margin();
- for(list<Child *>::const_iterator i=children.begin(); i!=children.end(); ++i)
+ for(const Child *c: children)
{
Geometry cgeom;
- (*i)->widget->autosize(cgeom);
+ c->widget->autosize(cgeom);
ageom.w = max(ageom.w, cgeom.x+cgeom.w+margin.right);
ageom.h = max(ageom.h, cgeom.y+cgeom.h+margin.top);
}
{
if(part.get_name()=="children")
{
- for(list<Child *>::const_iterator i=children.begin(); i!=children.end(); ++i)
- (*i)->widget->render(renderer);
+ for(const Child *c: children)
+ c->widget->render(renderer);
}
}
Widget *child = children.front()->widget;
child->autosize();
- if(const Part *part = style->get_part("children"))
+ if(const Part *part = style->find_part("children"))
{
const Sides &margin = part->get_margin();
child->set_position(margin.left, margin.bottom);
widths.resize(children.size(), 0);
unsigned n = 0;
- for(list<Child *>::const_iterator i=children.begin(); i!=children.end(); ++i, ++n)
+ for(const Child *c: children)
{
Geometry cgeom;
- (*i)->widget->autosize(cgeom);
+ c->widget->autosize(cgeom);
// TODO invent a better way to specify spacings
widths[n] = max(widths[n], cgeom.w+8);
+ ++n;
}
}
if(!style)
return;
- const Part *part = style->get_part("children");
+ const Part *part = style->find_part("children");
if(!part)
return;
const Sides &margin = part->get_margin();
int x = margin.left;
unsigned n = 0;
- for(list<Child *>::const_iterator i=children.begin(); i!=children.end(); ++i, ++n)
+ for(const Child *c: children)
{
- (*i)->widget->set_position(x, margin.bottom);
- x += widths[n];
+ c->widget->set_position(x, margin.bottom);
+ x += widths[n++];
}
}
if(!style)
return;
- for(std::list<Child *>::const_iterator i=children.begin(); i!=children.end(); ++i)
- (*i)->widget->autosize();
+ for(const Child *c: children)
+ c->widget->autosize();
vector<unsigned> widths;
List *list = static_cast<List *>(parent);
- for(vector<Item *>::const_iterator i=list->items.begin(); i!=list->items.end(); ++i)
- if(*i!=this)
- if(MultiColumnItem *mci = dynamic_cast<MultiColumnItem *>(*i))
+ for(Item *i: list->items)
+ if(i!=this)
+ if(MultiColumnItem *mci = dynamic_cast<MultiColumnItem *>(i))
mci->check_widths(widths);
vector<unsigned> self_widths(widths);
if(update_all)
{
- for(vector<Item *>::const_iterator i=list->items.begin(); i!=list->items.end(); ++i)
- if(MultiColumnItem *mci = dynamic_cast<MultiColumnItem *>(*i))
+ for(Item *i: list->items)
+ if(MultiColumnItem *mci = dynamic_cast<MultiColumnItem *>(i))
mci->set_widths(self_widths);
}