Method OnClick

src/vehicle_gui.cpp:1234–1274

	}

	void OnClick([[maybe_unused]] Point pt, WidgetID widget, [[maybe_unused]] int click_count) override
	{
		switch (widget) {
			case WID_VR_VEHICLE_PANEL_DISPLAY: { // Vehicle image.
				if (this->order != INVALID_VEH_ORDER_ID) break;
				NWidgetBase *nwi = this->GetWidget<NWidgetBase>(WID_VR_VEHICLE_PANEL_DISPLAY);
				this->click_x = GetClickPosition(pt.x - nwi->pos_x);
				this->SetSelectedVehicles(pt.x - nwi->pos_x);
				this->SetWidgetDirty(WID_VR_VEHICLE_PANEL_DISPLAY);
				if (!_ctrl_pressed) {
					SetObjectToPlaceWnd(SPR_CURSOR_MOUSE, PAL_NONE, HT_DRAG, this);
				} else {
					/* The vehicle selection has changed. */
					this->InvalidateData(2);
				}
				break;
			}

			case WID_VR_MATRIX: { // listbox
				this->SetSelection(this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_VR_MATRIX));
				this->SetWidgetDisabledState(WID_VR_REFIT, this->selected_refit == nullptr);
				this->InvalidateData(1);

				if (click_count == 1) break;
				[[fallthrough]];
			}

			case WID_VR_REFIT: // refit button
				if (this->selected_refit != nullptr) {
					const Vehicle *v = Vehicle::Get(this->window_number);

					if (this->order == INVALID_VEH_ORDER_ID) {
						bool delete_window = this->selected_vehicle == v->index && this->num_vehicles == UINT8_MAX;
						if (Command<CMD_REFIT_VEHICLE>::Post(GetCmdRefitVehMsg(v), v->tile, this->selected_vehicle, this->selected_refit->cargo, this->selected_refit->subtype, false, false, this->num_vehicles) && delete_window) this->Close();
					} else {
						if (Command<CMD_ORDER_REFIT>::Post(v->tile, v->index, this->order, this->selected_refit->cargo)) this->Close();
					}
				}
				break;
		}
	}

	void OnMouseDrag(Point pt, WidgetID widget) override
	{