You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
317 lines
11 KiB
317 lines
11 KiB
/***************************************************************************
|
|
kafkahtmlpart.h
|
|
-------------------
|
|
|
|
copyright : (C) 2001 - The Kafka Team
|
|
(C) 2003, 2004 - Nicolas Deschildre
|
|
email : kde-kafka@master.kde.org && 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 KAFKAHTMLPART_H
|
|
#define KAFKAHTMLPART_H
|
|
|
|
#include <kurl.h>
|
|
#include <tdehtml_part.h>
|
|
#include <tdehtml_events.h>
|
|
#include <tdeparts/event.h>
|
|
|
|
#include <tqstringlist.h>
|
|
#include <tqptrlist.h>
|
|
#include <tqdockwindow.h>
|
|
#include <tqevent.h>
|
|
|
|
#include <dom/dom_node.h>
|
|
#include <dom/dom_element.h>
|
|
|
|
class DOMString;
|
|
class KafkaWidgetPrivate;
|
|
class KafkaDocument;
|
|
class NodeModifsSet;
|
|
class TQPopupMenu;
|
|
|
|
/*
|
|
* It is the main central widget which get the cursor focus and takes care of "simple" edition
|
|
* such as typing text.
|
|
*/
|
|
|
|
class KafkaWidget : public TDEHTMLPart
|
|
{
|
|
TQ_OBJECT
|
|
|
|
public:
|
|
KafkaWidget(TQWidget *parent, TQWidget *widgetParent, KafkaDocument *part,
|
|
const char *name = 0);
|
|
~KafkaWidget();
|
|
|
|
/**
|
|
* Category: Standard Functions
|
|
* Called by KafkaPart to create a new document
|
|
*/
|
|
void newDocument();
|
|
|
|
/**
|
|
* Returns the current Node (which has the focus) and its offset.
|
|
* @param currentNode The Node which has the cursor focus.
|
|
* @param offset The offset of the cursor in _currentNode.
|
|
*/
|
|
void getCurrentNode(DOM::Node ¤tNode, long &offset);
|
|
|
|
/**
|
|
* Set the focus.
|
|
* @param node The DOM::Node which will get the focus.
|
|
* @param offset The offset of the cursor if node is a DOM::Node::TEXT_NODE
|
|
*/
|
|
void setCurrentNode(DOM::Node node, int offset);
|
|
|
|
/**
|
|
* Convenience function to set the current node.
|
|
* @param node The Quanta node which will get the focus.
|
|
* @param offset The offset of the cursor if node tag is of type Tag::Text.
|
|
*/
|
|
void setCurrentNode(Node* cursorNode, int cursorOffset);
|
|
|
|
/**
|
|
* Get the next DOM::Node after _node.
|
|
* @param _node The DOM::Node the search starts from.
|
|
* @param goUp A needed boolean for several consecutive call to
|
|
* this function. Setting it to false by default, or to true if we don't want to go through
|
|
* the childs of _node.
|
|
* @param skipParentNodes Specifies if we should skip the parent Node when going up :
|
|
* this implies that Nodes will not be returned two times.
|
|
* @param dontBlock Specifies if the search should or not be blocked by BlockingTags.
|
|
* @param _endNode Specifies at which DOM::Node the search should end. It is useful
|
|
* when setting skipParentNodes to true.
|
|
* @return Returns the next Node :)
|
|
*/
|
|
DOM::Node getNextNode(DOM::Node _node, bool &goUp, bool skipParentNodes = false,
|
|
bool dontBlock = false, DOM::Node _endNode = DOM::Node());
|
|
|
|
/**
|
|
* The same that above, but this function search the previous DOM::Node.
|
|
*/
|
|
DOM::Node getPrevNode(DOM::Node _node, bool &goUp, bool skipParentNodes = false,
|
|
bool dontBlock = false, DOM::Node _endNode = DOM::Node());
|
|
|
|
/**
|
|
* Set the TagActions checked/unchecked in context.
|
|
* This is called when the cursor position changes.
|
|
* @param domNode
|
|
* @param offset
|
|
*/
|
|
void updateToggableTagActions(/*const DOM::Node &domNode, long offset*/) const;
|
|
|
|
|
|
/** --------------- DOM::Node modifications -------------------------- */
|
|
|
|
/**
|
|
* It will move DOM::Nodes from startNode to endNode as children of newParent. It does NOT check
|
|
* if the move is valid, so it may crash. Please check before with kafkaCommon::parentSupports().
|
|
* @param newParent The new parent of the DOM::Nodes.
|
|
* @param startNode The first node to move.
|
|
* @param endNode Starting from endNode, the last sibling to move.
|
|
* @param refNode The reference DOM::Node.
|
|
* @bool before If set to true, the DOM::nodes will be moved at the left of refNode,
|
|
* otherwise they will be happenend at the right of refNode.
|
|
*/
|
|
void moveDomNodes(DOM::Node newParent, DOM::Node startNode, DOM::Node endNode,
|
|
DOM::Node refNode, bool before);
|
|
|
|
public slots:
|
|
|
|
/**
|
|
* Category: HTML Editing Functions
|
|
* Adds text into a DOM::Node of type DOM::Node::TEXT_NODE
|
|
* @param node The node where text should be added
|
|
* @param text The text to be added
|
|
* @param position Specifies the position where to add text
|
|
*/
|
|
void insertText(DOM::Node node, const TQString &text, int position);
|
|
|
|
/**
|
|
* Category: HTML Editing Functions
|
|
* Adds text into the current DOM::Node
|
|
* @param text The text to add
|
|
* @param position Specifies the position where to add text, if it's -1
|
|
* the text will be appended after the last position
|
|
*/
|
|
void insertText(const TQString &text, int position);
|
|
|
|
/**
|
|
* Puts all the child Text DOM::Node into a "normal" form where only
|
|
* structure (e.g., elements, comments, processing instructions, CDATA
|
|
* sections, and entity references) separates Text nodes, i.e., there are
|
|
* neither adjacent Text nodes nor empty Text nodes.
|
|
* Should be used instead of DOM::Node::normalize().
|
|
* @param _node This node is the parent node of the childs normalized
|
|
*/
|
|
void normalize(DOM::Node _node);
|
|
|
|
/**
|
|
* Set the cursor after having loaded the DOM tree from scratch.
|
|
* Look for the first available location for the cursor.
|
|
*/
|
|
void putCursorAtFirstAvailableLocation();
|
|
|
|
/**
|
|
* Reload the TagAttributesTree if necessary;
|
|
* @param domNode The current DOM::Node.
|
|
* @param offset The current cursor offset.
|
|
*/
|
|
void slotNewCursorPos(const DOM::Node &domNode, long offset);
|
|
|
|
/**
|
|
* Called to set the cursor Position with a TQTimer::singleShot() after calling
|
|
* document->updateRendering()
|
|
*/
|
|
void slotDelayedSetCaretPosition();
|
|
|
|
signals:
|
|
/**
|
|
* Category: HTML Editing Signal
|
|
* Is emitted whenever the DOM tree has changed
|
|
* Not yet implemented
|
|
*/
|
|
void domChanged();
|
|
|
|
/**
|
|
* Category: HTML Editing Signal
|
|
* Is emitted whenever a dom Node is inserted to the tree.
|
|
* @param node is the node created.
|
|
* @param insertChilds Specifies if we should insert the _node's childs
|
|
* @param modifs The changes made are logged into modifs.
|
|
*/
|
|
void domNodeInserted(DOM::Node node, bool insertChilds, NodeModifsSet *modifs);
|
|
|
|
/**
|
|
* Category: HTML Editing Signal
|
|
* Is emitted whenever a DOM node has its properties modified.
|
|
* @param node is the node modified.
|
|
* @param modifs The changes made are logged into modifs.
|
|
*/
|
|
void domNodeModified(DOM::Node node, NodeModifsSet *modifs);
|
|
|
|
/**
|
|
* Category: HTML Editing Signal
|
|
* Is emitted whenever a DOM node is about to be removed from the tree.
|
|
* @param node is the node to be deleted.
|
|
* @param deleteChilds Specifies if we should delete the child nodes of _node.
|
|
* @param modifs The changes made are logged into modifs.
|
|
*/
|
|
void domNodeIsAboutToBeRemoved(DOM::Node node, bool deleteChilds, NodeModifsSet *modifs);
|
|
|
|
/**
|
|
* Is emitted whenever a DOM::Node is about to be moved in the tree.
|
|
* @param node The DOM::Node which will be moved.
|
|
* @param newParent The new parent of domNode.
|
|
* @param before domNode will be placed before before.
|
|
* @param modifs The changes made are logged into modifs.
|
|
*/
|
|
void domNodeIsAboutToBeMoved(DOM::Node node, DOM::Node newParent, DOM::Node before, NodeModifsSet *modifs);
|
|
|
|
/**
|
|
* Category: HTML Editing Signal
|
|
* Is emitted whenever the cursor position change in one DOM::Node.
|
|
* @param node The DOM::Node which contains the cursor.
|
|
* @param _offset The new cursorOffset.
|
|
*/
|
|
void domNodeNewCursorPos(DOM::Node node, int offset);
|
|
|
|
/**
|
|
* Category: Widget Signal
|
|
* Is emitted whenever the KafkaWidget widget get or lost the focus
|
|
* @param focus True if it has got the focus, false otherwise.
|
|
*/
|
|
void hasFocus(bool focus);
|
|
|
|
protected:
|
|
bool eventFilter(TQObject *object, TQEvent *event);
|
|
|
|
virtual void tdehtmlMouseMoveEvent(tdehtml::MouseMoveEvent *event);
|
|
virtual void tdehtmlMousePressEvent(tdehtml::MousePressEvent *event);
|
|
virtual void tdehtmlMouseReleaseEvent(tdehtml::MouseReleaseEvent *event);
|
|
virtual void tdehtmlDrawContentsEvent(tdehtml::DrawContentsEvent *event);
|
|
|
|
private slots:
|
|
|
|
void slotContextMenuRequested(const TQString& url, const TQPoint& point);
|
|
|
|
private:
|
|
#if 0
|
|
/**
|
|
* NOT IMPLEMENTED.
|
|
* Internal function used by keyBackspace(), keyDelete() to delete Nodes.
|
|
* @param startNode The DOM::Node location of the point where we start deleting Nodes.
|
|
* @param offset The offset location of the point where we start deleting Nodes. They can be
|
|
* updated.
|
|
* @param backspace Specifies if it should delete Nodes backward (backspace keystroke)
|
|
* or torwards (delete backspace).
|
|
*/
|
|
void keyDeleteNodes(DOM::Node &startNode, long &offset, bool backspace);
|
|
#endif
|
|
|
|
/**
|
|
* Delete one character/DOM::Node left to the cursor.
|
|
*/
|
|
void keyBackspace();
|
|
|
|
/**
|
|
* Delete one character/DOM::Node right to the cursor.
|
|
*/
|
|
void keyDelete();
|
|
|
|
/**
|
|
* Break the current line.
|
|
* @param specialPressed If a special touch is pressed e.g. ctrl, we try to insert a BR,
|
|
* otherwise we try to insert a P.
|
|
*/
|
|
void keyReturn(bool specialPressed);
|
|
|
|
/**
|
|
* Postprocess the cursor position, i.e. when the cursor is between two
|
|
* DOM::Nodes, it set the cursor in the right node to make edition as
|
|
* in a word processor.
|
|
*/
|
|
void postprocessCursorPosition();
|
|
/**
|
|
* Make the cursor visible whenever it is going :-)
|
|
* @param xMargin The minimum margin in the X axis between the cursor
|
|
* and the edge of the widget.
|
|
* @param yMargin The minimim margin in the Y axis between the cursor
|
|
* and the edge of the widget.
|
|
*/
|
|
void makeCursorVisible(int xMargin = 50, int yMargin = 50);
|
|
|
|
/**
|
|
* Removes the selection and places the cursor in the right place.
|
|
*/
|
|
void removeSelection();
|
|
|
|
void applyQueuedToggableTagActions();
|
|
|
|
private:
|
|
/**
|
|
* When some changes are made, store the changes made in m_modifs.
|
|
* It will be created when a key is pressed, and will be submitted to
|
|
* the undoRedo system after the changes have been made.
|
|
*/
|
|
NodeModifsSet *m_modifs;
|
|
|
|
DOM::Node m_currentNode;
|
|
KafkaWidgetPrivate *d;
|
|
KafkaDocument *w;
|
|
friend class KafkaWidgetPrivate;
|
|
|
|
TQPopupMenu* m_contextPopupMenu;
|
|
};
|
|
|
|
#endif
|