/**Update mouse cursor at (item) position

@note this method was added in version 1.2*/

void updateCursor( const QPointF& itemPos );

/**Finds out the appropriate cursor for the current mouse position in the widget (e.g. move in the middle, resize at border)*/

Qt::CursorShape cursorForPosition( const QPointF& itemCoordPos );

/**Finds out which mouse move action to choose depending on the cursor position inside the widget*/

QgsComposerItem::MouseMoveAction mouseMoveActionForPosition( const QPointF& itemCoordPos );

/**Changes the rectangle of an item depending on current mouse action (resize or move)

@param currentPosition current position of mouse cursor

@param mouseMoveStartPos cursor position at the start of the current mouse action

@param originalItem Item position at the start of the mouse action

@param dx x-Change of mouse cursor

@param dy y-Change of mouse cursor

@param changeItem Item to change size (can be the same as originalItem or a differen one)

*/

void changeItemRectangle( const QPointF& currentPosition, const QPointF& mouseMoveStartPos, const QGraphicsRectItem* originalItem, double dx, double dy, QGraphicsRectItem* changeItem );

/**Snaps item position to align with other items (left / middle / right or top / middle / bottom

@param item current item

@param alignX x-coordinate of align or -1 if not aligned to x

@param alignY y-coordinate of align or -1 if not aligned to y

@param dx item shift in x direction

@param dy item shift in y direction

@return new upper left point after the align*/

QPointF alignItem( const QgsComposerItem* item, double& alignX, double& alignY, double dx = 0, double dy = 0 );

/**Snaps position to align with the boundaries of other items

@param pos position to snap

@param excludeItem item to exclude

@param alignX snapped x coordinate or -1 if not snapped

@param alignY snapped y coordinate or -1 if not snapped

@return snapped position or original position if no snap*/

QPointF alignPos( const QPointF& pos, const QgsComposerItem* excludeItem, double& alignX, double& alignY );