scrollpane::scrollpane(CVideo &video) : scrollarea(video), border_(5)
{
content_pos_.x = 0;
content_pos_.y = 0;
update_content_size();
set_scroll_rate(40);
}
void scrollpane::remove_widget(widget* w)
{
widget_map::iterator itor = std::find_if(content_.begin(), content_.end(), widget_finder(w));
if (itor != content_.end())
content_.erase(itor);
update_content_size();
}
void scrollpane::add_widget(widget* w, int x, int y, int z_order)
{
if (w == NULL)
return;
widget_map::iterator itor = std::find_if(content_.begin(), content_.end(), widget_finder(w));
if (itor != content_.end())
return;
scrollpane_widget spw(w, x, y, z_order);
w->set_clip_rect(client_area());
content_.insert(std::pair<int, scrollpane_widget>(z_order, spw));
position_widget(spw);
// Recalculates the whole content size
update_content_size();
}
void listbox::remove_row(const unsigned row, unsigned count)
{
assert(generator_);
if(row >= get_item_count()) {
return;
}
if(!count || count + row > get_item_count()) {
count = get_item_count() - row;
}
int height_reduced = 0;
int width_reduced = 0;
// TODO: Fix this for horizontal listboxes
// Note the we have to use content_grid_ and cannot use "_list_grid" which is what generator_ uses.
int row_pos_y = is_horizontal_ ? -1 : generator_->item(row).get_y() - content_grid_->get_y();
int row_pos_x = is_horizontal_ ? -1 : 0;
for(; count; --count) {
if(generator_->item(row).get_visible() != visibility::invisible) {
if(is_horizontal_) {
width_reduced += generator_->item(row).get_width();
} else {
height_reduced += generator_->item(row).get_height();
}
}
generator_->delete_item(row);
}
if((height_reduced != 0 || width_reduced != 0) && get_item_count() != 0) {
resize_content(-width_reduced, -height_reduced, row_pos_x, row_pos_y);
} else {
update_content_size();
}
}
void scrollpane::clear()
{
content_.clear();
update_content_size();
}
void listbox::clear()
{
generator_->clear();
update_content_size();
}
