Public Member Functions
void	doRedoUpdates ()

void	doUndoUpdates ()

	MoveNodeStruct (KisImageSP _image, KisNodeSP _node, KisNodeSP _parent, KisNodeSP _above)

bool	tryMerge (const MoveNodeStruct &rhs)

Public Attributes
KisImageSP	image

KisNodeSP	newAbove

KisNodeSP	newParent

KisNodeSP	node

KisNodeSP	oldAbove

KisNodeSP	oldParent

bool	suppressNewParentRefresh

bool	suppressOldParentRefresh

Detailed Description

A special structure that stores information about a node that was moved. The purpose of the object is twofold:

1) When the reordering stroke is already started than the
   parent and sibling nodes may be not consistent anymore. So
   we store it separately.

2) This objects allows merging (compressing) multiple moves of
   a layer into a single action. This behavior is implemented
   in tryMerge() method.

Definition at line 40 of file kis_node_juggler_compressed.cpp.

Constructor & Destructor Documentation

◆ MoveNodeStruct()

MoveNodeStruct::MoveNodeStruct	(	KisImageSP	_image,
		KisNodeSP	_node,
		KisNodeSP	_parent,
		KisNodeSP	_above )

inline

Definition at line 41 of file kis_node_juggler_compressed.cpp.

        : image(_image),
          node(_node),
          newParent(_parent),
          newAbove(_above),
          oldParent(_node->parent()),
          oldAbove(_node->prevSibling()),
          suppressNewParentRefresh(false),
          suppressOldParentRefresh(false)
    {
    }

Member Function Documentation

◆ doRedoUpdates()

void MoveNodeStruct::doRedoUpdates ( )

inline

Definition at line 74 of file kis_node_juggler_compressed.cpp.

                         {
        if (oldParent && !suppressOldParentRefresh) {
            image->refreshGraphAsync(oldParent, KisProjectionUpdateFlag::NoFilthy);
        }
 
        if (newParent && oldParent != newParent) {
            node->setDirty(image->bounds());
        }
    }

References KisImage::bounds(), image, newParent, node, NoFilthy, oldParent, KisImage::refreshGraphAsync(), KisNode::setDirty(), and suppressOldParentRefresh.

◆ doUndoUpdates()

void MoveNodeStruct::doUndoUpdates ( )

inline

Definition at line 84 of file kis_node_juggler_compressed.cpp.

                         {
        if (newParent && !suppressNewParentRefresh) {
            image->refreshGraphAsync(newParent, KisProjectionUpdateFlag::NoFilthy);
        }
 
        if (oldParent && oldParent != newParent) {
            node->setDirty(image->bounds());
        }
    }

References KisImage::bounds(), image, newParent, node, NoFilthy, oldParent, KisImage::refreshGraphAsync(), KisNode::setDirty(), and suppressNewParentRefresh.

◆ tryMerge()

bool MoveNodeStruct::tryMerge ( const MoveNodeStruct & rhs )

inline

Definition at line 53 of file kis_node_juggler_compressed.cpp.

                                             {
        if (rhs.node != node) return false;
 
        bool result = true;
 
        if (newParent == rhs.oldParent) {
            // 'rhs' is newer
            newParent = rhs.newParent;
            newAbove = rhs.newAbove;
        } else if (oldParent == rhs.newParent) {
            // 'this' is newer
            oldParent = rhs.oldParent;
            oldAbove = rhs.oldAbove;
        } else {
            warnKrita << "MoveNodeStruct: Trying to merge unsequential moves!";
            result = false;
        }
 
        return result;
    }