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/***************************************************************************
cursor.h
-------------------
copyright : (C) 2004 - Nicolas Deschildre
email : ndeschildre@kdewebdev.org
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef CURSORS_H
#define CURSORS_H
/**
* This represents a Node selection : StartNode and StartOffset, endNode and endOffset.
* IT can also only hold the cursor. If so, cursorNodeEndSel() will be empty.
* TODO: selection support
*/
class NodeSelection
{
public:
NodeSelection(Node* node = 0L, int offset = 0){m_cursorNode = node; m_cursorOffset = offset;}
~NodeSelection(){}
/**
* @return Return the Node when the selection start (and where the cursor is if
* m_cursorAtSelectionStart).
*/
Node* cursorNode(){return m_cursorNode;}
void setCursorNode(Node* node){m_cursorNode = node;}
/**
* @return Returns the offset of the cursor where the selection begin (and where the cursor is if
* m_cursorAtSelectionStart)
*/
int cursorOffset(){return m_cursorOffset;}
void setCursorOffset(int offset){m_cursorOffset = offset;}
private:
Node* m_cursorNode, *m_cursorNodeEndSel;
int m_cursorOffset, m_cursorOffsetEndSel;
bool m_cursorAtSelectionStart;
};
/**
* This represents a Node selection : startNode and startOffset, endNode and endOffset.
* The difference with NodeSelection is that it don't store the Node address of startNode
* and endNode, but it store the Node position of the Node tree e.g. it is the first child
* of the second child of the rootNode...
* It can also only hold the cursor. If so, cursorNodeEndSel() will be empty.
*/
class NodeSelectionInd
{
public:
NodeSelectionInd();
NodeSelectionInd(Node* cursor_node, int cursor_offset);
NodeSelectionInd(Node* start_node, int start_offset, Node* end_node, int end_offset);
~NodeSelectionInd();
/**
* Compare nodeselection to the current instance.
*/
bool operator==(const NodeSelectionInd & nodeSelection);
void operator=(const NodeSelectionInd & nodeSelection);
/**
* Take the current VPL cursor selection coordinates, if not speficied otherwise, translate
* them into Node cursor coordinates and store them.
*/
void fillWithVPLCursorSelection();
bool hasSelection() const;
/**---------------------------------- GET/SET --------------------------------------------*/
/**
* @return Returns the location of the Node where the selection begin (and where the cursor is if
* m_cursorAtSelectionStart).
*/
QValueList<int>& cursorNode() {return m_cursorNode;}
/**
* @param cursorNode Set the location of the Node where the selection begin (and where the cursor is if
* m_cursorAtSelectionStart)
*/
void setCursorNode(QValueList<int> cursorNode) {m_cursorNode = cursorNode;}
/**
* @return Returns the offset of the cursor where the selection begin (and where the cursor is if
* m_cursorAtSelectionStart)
*/
int cursorOffset() {return m_cursorOffset;}
/**
* @param cursorOffset Set the offset of the cursor where the selection begin (and where the cursor is if
* m_cursorAtSelectionStart)
*/
void setCursorOffset(int cursorOffset) {m_cursorOffset = cursorOffset;}
/**
* @return Returns true if the cursor is at the beginning of the selection. Otherwise, it is
* at the end of the selection.
*/
bool cursorAtSelectionStart() {return m_cursorAtSelectionStart;}
/**
* @param cursorAtSelectionStart Set if the cursor is at the beginning of the selection.
*/
void setCursorAtSelectionStart(bool cursorAtSelectionStart) {m_cursorAtSelectionStart = cursorAtSelectionStart;}
/**
* @return Returns the location of the end selection Node where the
* selection ends.
* Empty if this instance only carry the cursor coordinates.
*/
QValueList<int>& cursorNodeEndSel() {return m_cursorNodeEndSel;}
/**
* @param cursorNodeEndSel Set the location of the end selection Node where the
* selection ends.
*/
void setCursorNodeEndSel(QValueList<int> cursorNodeEndSel)
{m_cursorNodeEndSel = cursorNodeEndSel;}
/**
* @return Returns the offset of the cursor in the Node of the end of the selection.
*/
int cursorOffsetEndSel() {return m_cursorOffsetEndSel;}
/**
* @param cursorOffsetEndSel Set the offset of the cursor in the Node of the end of the selection
*/
void setCursorOffsetEndSel(int cursorOffsetEndSel)
{m_cursorOffsetEndSel = cursorOffsetEndSel;}
private:
QValueList<int> m_cursorNode, m_cursorNodeEndSel;
int m_cursorOffset, m_cursorOffsetEndSel;
bool m_cursorAtSelectionStart;
};
#endif
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