Method OnClick

src/network/network_content_gui.cpp:786–869

	}

	void OnClick([[maybe_unused]] Point pt, WidgetID widget, [[maybe_unused]] int click_count) override
	{
		if (widget >= WID_NCL_TEXTFILE && widget < WID_NCL_TEXTFILE + TFT_CONTENT_END) {
			if (this->selected == nullptr || this->selected->state != ContentInfo::State::AlreadyHere) return;

			ShowContentTextfileWindow(this, (TextfileType)(widget - WID_NCL_TEXTFILE), this->selected);
			return;
		}

		switch (widget) {
			case WID_NCL_MATRIX: {
				auto it = this->vscroll->GetScrolledItemFromWidget(this->content, pt.y, this, WID_NCL_MATRIX);
				if (it == this->content.end()) return; // click out of bounds

				const NWidgetBase *checkbox = this->GetWidget<NWidgetBase>(WID_NCL_CHECKBOX);
				if (click_count > 1 || IsInsideBS(pt.x, checkbox->pos_x, checkbox->current_x)) {
					_network_content_client.ToggleSelectedState(**it);
					this->content.ForceResort();
					this->content.ForceRebuild();
				} else {
					this->selected = *it;
					this->list_pos = it - this->content.begin();
				}

				if (this->filter_data.types.Any()) {
					this->content.ForceRebuild();
				}

				this->InvalidateData();
				break;
			}

			case WID_NCL_CHECKBOX:
			case WID_NCL_TYPE:
			case WID_NCL_NAME:
				if (this->content.SortType() == widget - WID_NCL_CHECKBOX) {
					this->content.ToggleSortOrder();
					if (!this->content.empty()) this->list_pos = (int)this->content.size() - this->list_pos - 1;
				} else {
					this->content.SetSortType(widget - WID_NCL_CHECKBOX);
					this->content.ForceResort();
					this->SortContentList();
				}
				this->ScrollToSelected();
				this->InvalidateData();
				break;

			case WID_NCL_SELECT_ALL:
				_network_content_client.SelectAll();
				this->InvalidateData();
				break;

			case WID_NCL_SELECT_UPDATE:
				_network_content_client.SelectUpgrade();
				this->InvalidateData();
				break;

			case WID_NCL_UNSELECT: