void tlistbox::set_row_shown(const std::vector<bool>& shown)
{
assert(generator_);
assert(shown.size() == get_item_count());
twindow *window = get_window();
assert(window);
const int selected_row = get_selected_row();
bool resize_needed;
{
twindow::tinvalidate_layout_blocker invalidate_layout_blocker(*window);
for(size_t i = 0; i < shown.size(); ++i) {
generator_->set_item_shown(i, shown[i]);
}
generator_->place(generator_->get_origin()
, generator_->calculate_best_size());
resize_needed = !content_resize_request();
}
if(resize_needed) {
window->invalidate_layout();
} else {
content_grid_->set_visible_area(content_visible_area());
set_dirty();
}
if(selected_row != get_selected_row() && callback_value_changed_) {
callback_value_changed_(this);
}
}
void tlistbox::handle_key_right_arrow(SDLMod modifier, bool& handled)
{
assert(generator_);
generator_->handle_key_right_arrow(modifier, handled);
// Inherited.
if(handled) {
// When scrolling make sure the new items is visible but leave the
// vertical scrollbar position.
const SDL_Rect& visible = content_visible_area();
SDL_Rect rect = generator_->item(
generator_->get_selected_item()).get_rect();
rect.y = visible.y;
rect.h = visible.h;
show_content_rect(rect);
if(callback_value_changed_) {
callback_value_changed_(this);
}
} else {
tscrollbar_container::handle_key_left_arrow(modifier, handled);
}
}
void tlistbox::set_row_shown(const unsigned row, const bool shown)
{
assert(generator_);
twindow *window = get_window();
assert(window);
const int selected_row = get_selected_row();
bool resize_needed;
{
twindow::tinvalidate_layout_blocker invalidate_layout_blocker(*window);
generator_->set_item_shown(row, shown);
generator_->place(generator_->get_origin()
, generator_->calculate_best_size());
resize_needed = !content_resize_request();
}
if(resize_needed) {
window->invalidate_layout();
} else {
content_grid_->set_visible_area(content_visible_area());
set_dirty();
}
if(selected_row != get_selected_row() && callback_value_changed_) {
callback_value_changed_(this);
}
}
void tlistbox::handle_key_down_arrow(SDLMod modifier, bool& handled)
{
assert(generator_);
generator_->handle_key_down_arrow(modifier, handled);
if(handled) {
// When scrolling make sure the new items is visible but leave the
// horizontal scrollbar position.
const SDL_Rect& visible = content_visible_area();
SDL_Rect rect = generator_->item(generator_->get_selected_item())
.get_rectangle();
rect.x = visible.x;
rect.w = visible.w;
show_content_rect(rect);
if(callback_value_changed_) {
callback_value_changed_(*this);
}
} else {
// Inherited.
tscrollbar_container::handle_key_up_arrow(modifier, handled);
}
}
void tslider::child_callback_positioner_moved()
{
sound::play_UI_sound(settings::sound_slider_adjust);
if (callback_value_changed_) {
callback_value_changed_(this, minimum_value_ + get_item_position() * get_step_size());
}
}
void tlistbox::list_item_clicked(twidget& caller)
{
assert(generator_);
/** @todo Hack to capture the keyboard focus. */
get_window()->keyboard_capture(this);
for(size_t i = 0; i < generator_->get_item_count(); ++i) {
if(generator_->item(i).has_widget(caller)) {
generator_->toggle_item(i);
if(callback_value_changed_) {
callback_value_changed_(*this);
}
return;
}
}
assert(false);
}
void tlistbox::set_row_shown(const boost::dynamic_bitset<>& shown)
{
assert(generator_);
assert(shown.size() == get_item_count());
if (generator_->get_items_shown() == shown)
{
LOG_GUI_G << LOG_HEADER << " returning early" << std::endl;
return;
}
twindow* window = get_window();
assert(window);
const int selected_row = get_selected_row();
bool resize_needed;
{
twindow::tinvalidate_layout_blocker invalidate_layout_blocker(*window);
for(size_t i = 0; i < shown.size(); ++i) {
generator_->set_item_shown(i, shown[i]);
}
tpoint best_size = generator_->calculate_best_size();
generator_->place(generator_->get_origin(), { std::max(best_size.x, content_visible_area().w), best_size.y });
resize_needed = !content_resize_request();
}
if(resize_needed) {
window->invalidate_layout();
} else {
content_grid_->set_visible_rectangle(content_visible_area());
set_is_dirty(true);
}
if(selected_row != get_selected_row() && callback_value_changed_) {
callback_value_changed_(*this);
}
}
