C++ CamWndPtr::jumpToObject方法代码示例

// Handles the mouseDown event, basically determines which action should be performed (select or manipulate)
void RadiantWindowObserver::onMouseDown(const WindowVector& position, GdkEventButton* ev)
{
	// Retrieve the according ObserverEvent for the GdkEventButton
	ui::ObserverEvent observerEvent = GlobalEventManager().MouseEvents().getObserverEvent(ev);

	// Check if the user wants to copy/paste a texture
	if (observerEvent == ui::obsCopyTexture || observerEvent == ui::obsPasteTextureProjected ||
		observerEvent == ui::obsPasteTextureNatural || observerEvent == ui::obsPasteTextureCoordinates ||
		observerEvent == ui::obsPasteTextureToBrush || observerEvent == ui::obsJumpToObject)
	{
		// Get the mouse position
		DeviceVector devicePosition(device_constrained(window_to_normalised_device(position, _width, _height)));

		// Check the target object
		render::View scissored(*_selectObserver._view);
		ConstructSelectionTest(scissored, Rectangle::ConstructFromPoint(devicePosition, _selectObserver._epsilon));
		SelectionVolume volume(scissored);

		// Do we have a camera view (fill() == true)?
		if (_selectObserver._view->fill())
		{
			if (observerEvent == ui::obsJumpToObject) {
				CamWndPtr cam = GlobalCamera().getActiveCamWnd();
				if (cam != NULL) {
					cam->jumpToObject(volume);
				}
			}
			// If the apply texture modifier is held
			else if (observerEvent == ui::obsPasteTextureProjected) {
				// Paste the shader projected (TRUE), but not to an entire brush (FALSE)
				selection::algorithm::pasteShader(volume, true, false);
			}
			// If the copy texture modifier is held
			else if (observerEvent == ui::obsCopyTexture) {
				// Set the source texturable from the given test
				GlobalShaderClipboard().setSource(volume);
			}
			else if (observerEvent == ui::obsPasteTextureNatural) {
				// Paste the shader naturally (FALSE), but not to an entire brush (FALSE)
				selection::algorithm::pasteShader(volume, false, false);
			}
			else if (observerEvent == ui::obsPasteTextureCoordinates) {
				// Clone the texture coordinates from the patch in the clipboard
				selection::algorithm::pasteTextureCoords(volume);
			}
			else if (observerEvent == ui::obsPasteTextureToBrush) {
				// Paste the shader projected (TRUE), and to the entire brush (TRUE)
				selection::algorithm::pasteShader(volume, true, true);
			}
		}
	}

	// Have any of the "selection" events occurred?
	// greebo: This could be an "else if (observerEvent != obsNothing)" as well,
	// but perhaps there will be more events in the future that aren't selection events.
	if (observerEvent == ui::obsManipulate || observerEvent == ui::obsSelect ||
		observerEvent == ui::obsToggle || observerEvent == ui::obsToggleFace ||
		observerEvent == ui::obsToggleGroupPart ||
		observerEvent == ui::obsReplace || observerEvent == ui::obsReplaceFace)
	{
		_mouseDown = true;

		// Determine the current mouse position
		DeviceVector devicePosition(window_to_normalised_device(position, _width, _height));

		if (observerEvent ==  ui::obsManipulate && _manipulateObserver.mouseDown(devicePosition)) {
			// This is a manipulation operation, register the callbacks
			// Note: the mouseDown call in the if clause returned already true,
			// so a manipulator could be successfully selected
			_mouseMotionCallback = boost::bind(&ManipulateObserver::mouseMoved, &_manipulateObserver, _1);
			_mouseUpCallback = boost::bind(&ManipulateObserver::mouseUp, &_manipulateObserver, _1);

			_listenForCancelEvents = true;
		}
		else {
			// Call the mouseDown method of the selector class, this covers all of the other events
			_selectObserver.mouseDown(devicePosition);

			_mouseMotionCallback = boost::bind(&SelectObserver::mouseMoved, &_selectObserver, _1);
			_mouseUpCallback = boost::bind(&SelectObserver::mouseUp, &_selectObserver, _1);

			// greebo: the according actions (toggle face, replace, etc.) are handled in the mouseUp methods.
		}
	}
}