Method mouseOver

src/Battlescape/MiniMapView.cpp:279–369

* Handles moving over the minimap. * Will change the camera center when the mouse is moved in mouse-moving mode. * @param action Pointer to an action. * @param state State that the action handlers belong to. */

 * @param state State that the action handlers belong to.
 */
void MiniMapView::mouseOver(Action *action, State *state)
{
	InteractiveSurface::mouseOver(action, state);

	if (_isMouseScrolling && action->getDetails()->type == SDL_MOUSEMOTION)
	{
		// The following is the workaround for a rare problem where sometimes
		// the mouse-release event is missed for any reason.
		// However if the SDL is also missed the release event, then it is to no avail :(
		// (checking: is the dragScroll-mouse-button still pressed?)
		if (0==(SDL_GetMouseState(0,0)&SDL_BUTTON(Options::battleDragScrollButton))) { // so we missed again the mouse-release :(
			// Check if we have to revoke the scrolling, because it was too short in time, so it was a click
			if ((!_mouseMovedOverThreshold) && (SDL_GetTicks() - _mouseScrollingStartTime <= (Options::dragScrollTimeTolerance)))
			{
					_camera->centerOnPosition(_posBeforeMouseScrolling);
					_redraw = true;
			}
			_isMouseScrolled = _isMouseScrolling = false;
			stopScrolling(action);
			return;
		}

		_isMouseScrolled = true;

		// Set the mouse cursor back
		SDL_EventState(SDL_MOUSEMOTION, SDL_IGNORE);
		SDL_WarpMouse(_xBeforeMouseScrolling, _yBeforeMouseScrolling);
		SDL_EventState(SDL_MOUSEMOTION, SDL_ENABLE);

		// Check the threshold
		_totalMouseMoveX += action->getDetails()->motion.xrel;
		_totalMouseMoveY += action->getDetails()->motion.yrel;
		if (!_mouseMovedOverThreshold)
			_mouseMovedOverThreshold = ((std::abs(_totalMouseMoveX) > Options::dragScrollPixelTolerance) || (std::abs(_totalMouseMoveY) > Options::dragScrollPixelTolerance));

		// Calculate the move
		int newX, newY;
		int scrollX, scrollY;

		if (Options::battleDragScrollInvert)
		{
			scrollX = action->getDetails()->motion.xrel;
			scrollY = action->getDetails()->motion.yrel;
		}
		else
		{
			scrollX = -action->getDetails()->motion.xrel;
			scrollY = -action->getDetails()->motion.yrel;
		}
		_mouseScrollX += scrollX;
		_mouseScrollY += scrollY;
		newX = _posBeforeMouseScrolling.x + _mouseScrollX / action->getXScale() / 4;
		newY = _posBeforeMouseScrolling.y + _mouseScrollY / action->getYScale() / 4;

		// Keep the limits...
		if (newX < -1 || _camera->getMapSizeX() < newX)
		{
			_mouseScrollX -= scrollX;