Method OnClick

src/terraform_gui.cpp:571–637

	}

	void OnClick([[maybe_unused]] Point pt, WidgetID widget, [[maybe_unused]] int click_count) override
	{
		if (widget < WID_ETT_BUTTONS_START) return;

		switch (widget) {
			case WID_ETT_DEMOLISH: // Demolish aka dynamite button
				HandlePlacePushButton(this, WID_ETT_DEMOLISH, ANIMCURSOR_DEMOLISH, HT_RECT | HT_DIAGONAL);
				this->last_user_action = widget;
				break;

			case WID_ETT_LOWER_LAND: // Lower land button
				HandlePlacePushButton(this, WID_ETT_LOWER_LAND, ANIMCURSOR_LOWERLAND, HT_POINT);
				this->last_user_action = widget;
				break;

			case WID_ETT_RAISE_LAND: // Raise land button
				HandlePlacePushButton(this, WID_ETT_RAISE_LAND, ANIMCURSOR_RAISELAND, HT_POINT);
				this->last_user_action = widget;
				break;

			case WID_ETT_LEVEL_LAND: // Level land button
				HandlePlacePushButton(this, WID_ETT_LEVEL_LAND, SPR_CURSOR_LEVEL_LAND, HT_POINT | HT_DIAGONAL);
				this->last_user_action = widget;
				break;

			case WID_ETT_PLACE_ROCKS: // Place rocks button
				HandlePlacePushButton(this, WID_ETT_PLACE_ROCKS, SPR_CURSOR_ROCKY_AREA, HT_RECT);
				this->last_user_action = widget;
				break;

			case WID_ETT_PLACE_DESERT: // Place desert button (in tropical climate)
				HandlePlacePushButton(this, WID_ETT_PLACE_DESERT, SPR_CURSOR_DESERT, HT_RECT);
				this->last_user_action = widget;
				break;

			case WID_ETT_PLACE_OBJECT: // Place transmitter button
				ShowBuildObjectPicker();
				break;

			case WID_ETT_INCREASE_SIZE:
			case WID_ETT_DECREASE_SIZE: { // Increase/Decrease terraform size
				int size = (widget == WID_ETT_INCREASE_SIZE) ? 1 : -1;
				this->HandleButtonClick(widget);
				size += _terraform_size;

				if (!IsInsideMM(size, 1, 8 + 1)) return;
				_terraform_size = size;

				this->SetDirty();
				break;
			}

			case WID_ETT_NEW_SCENARIO: // gen random land
				this->HandleButtonClick(widget);
				ShowCreateScenario();
				break;

			case WID_ETT_RESET_LANDSCAPE: // Reset landscape