Method removeLastPointFromSelectedPath

src/tools/draw_path_tool.cpp:787–838

}

bool DrawPathTool::removeLastPointFromSelectedPath()
{
	if (editingInProgress() || map()->getNumSelectedObjects() != 1)
	{
		return false;
	}
	
	Object* object = map()->getFirstSelectedObject();
	if (object->getType() != Object::Path)
	{
		return false;
	}
	
	PathObject* path = object->asPath();
	if (path->parts().size() != 1)
	{
		return false;
	}
	
	int points_on_path = 0;
	auto num_coords = path->getCoordinateCount();
	for (MapCoordVector::size_type i = 0; i < num_coords && points_on_path < 3; ++i)
	{
		++points_on_path;
		if (path->getCoordinate(i).isCurveStart())
		{
			i += 2; // Skip the control points.
		}
	}
	
	if (points_on_path < 3)
	{
		// Too few points after deleting the last: delete the whole object.
		map()->deleteSelectedObjects();
		return true;
	}
	
	auto undo_step = new ReplaceObjectsUndoStep(map());
	auto undo_duplicate = object->duplicate();
	undo_duplicate->setMap(map());
	undo_step->addObject(object, undo_duplicate);
	map()->push(undo_step);
	updateDirtyRect();
	
	path->parts().front().setClosed(false);
	path->deleteCoordinate(num_coords - 1, false);
	
	path->update();
	map()->setObjectsDirty();
	map()->emitSelectionEdited();
	return true;
}

void DrawPathTool::closeDrawing()
{