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/* This file is part of the KDE project Copyright (C) 1997 Martin Jones (mjones@kde.org) (C) 1998 Waldo Bastian (bastian@kde.org) (C) 1998, 1999 Torben Weis (weis@kde.org) (C) 1999 Lars Knoll (knoll@kde.org) (C) 1999 Antti Koivisto (koivisto@kde.org) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef KHTML_H #define KHTML_H // qt includes and classes #include <qscrollview.h> template<class C> class QList; class QPainter; namespace DOM { class HTMLDocumentImpl; class ElementImpl; class HTMLElementImpl; class HTMLTitleElementImpl; class HTMLGenericFormElementImpl; class Range; class NodeImpl; class CSSProperty; }; namespace khtml { class RenderObject; class RenderRoot; class RenderStyle; void applyRule(RenderStyle *style, DOM::CSSProperty *prop, DOM::ElementImpl *e); }; class KHTMLPart; class KHTMLViewPrivate; /** * Render and display HTML in a @ref QScrollView. * * Suitable for use as an application's main view. **/ class KHTMLView : public QScrollView { Q_OBJECT friend class DOM::HTMLDocumentImpl; friend class DOM::HTMLElementImpl; friend class DOM::HTMLTitleElementImpl; friend class KHTMLPart; friend class khtml::RenderRoot; friend class DOM::HTMLGenericFormElementImpl; friend void khtml::applyRule(khtml::RenderStyle *style, DOM::CSSProperty *prop, DOM::ElementImpl *e); public: /** * Construct a @ref KHTMLView. */ KHTMLView( KHTMLPart *part, QWidget *parent, const char *name=0 ); virtual ~KHTMLView(); /** * Retrieve a pointer to the @ref KHTMLPart that is * rendering the page. **/ KHTMLPart *part() const { return m_part; } int frameWidth() const { return _width; } /** * Move the view towards the next link and * draw a cursor around it **/ bool gotoNextLink(); /** * Move the view towards the next link and * draw a cursor around it **/ bool gotoPrevLink(); /** * visualize that the item under the cursor * has been pressed (true) or released(false) */ void toggleActLink(bool); /** * Set a margin in x direction. */ void setMarginWidth(int x) { _marginWidth = x; } /** * Retrieve the margin width. * * A return value of -1 means the default value will be used. */ int marginWidth() const { return _marginWidth; } /* * Set a margin in y direction. */ void setMarginHeight(int y) { _marginHeight = y; } /* * Retrieve the margin height. * * A return value of -1 means the default value will be used. */ int marginHeight() { return _marginHeight; } /* * Set vertical scrollbar mode. Reimplemented for internal reasons. */ virtual void setVScrollBarMode ( ScrollBarMode mode ); /* * Set horizontal scrollbar mode. Reimplemented for internal reasons. */ virtual void setHScrollBarMode ( ScrollBarMode mode ); /** * Print the HTML document. **/ void print(); void layout(bool force = false); static const QList<KHTMLView> *viewList() { return lstViews; } private: void setLinkCursor(DOM::HTMLElementImpl *); signals: void cleared(); protected: void clear(); void paintElement( khtml::RenderObject *o, int x, int y ); virtual void resizeEvent ( QResizeEvent * event ); virtual bool focusNextPrevChild( bool next ); virtual void drawContents ( QPainter * p, int clipx, int clipy, int clipw, int cliph ); virtual void viewportMousePressEvent( QMouseEvent * ); /** * This function emits the @ref doubleClick() signal when the user * double clicks a <a href=...> tag. */ virtual void viewportMouseDoubleClickEvent( QMouseEvent * ); /** * This function is called when the user moves the mouse. */ virtual void viewportMouseMoveEvent(QMouseEvent *); /** * this function is called when the user releases a mouse button. */ virtual void viewportMouseReleaseEvent(QMouseEvent *); void keyPressEvent( QKeyEvent *_ke ); void keyReleaseEvent( QKeyEvent *_ke ); /** * Scroll the view */ void doAutoScroll(); private: /** * move the view towards the currently selected node * and paint the cursor */ bool gotoLink(); /** * move the view towards a given element. * Note: currently this works only if the node is an anchor */ bool gotoLink(DOM::HTMLElementImpl *); /** * move the view towards the next node * or the last node from this one. */ bool gotoLink(bool); void useSlowRepaints(); void init(); DOM::NodeImpl *nodeUnderMouse() const; void restoreScrollBar(); // ------------------------------------- member variables ------------------------------------ private: /** * List of all open browsers. */ static QList<KHTMLView> *lstViews; int _width; int _height; int _marginWidth; int _marginHeight; KHTMLPart *m_part; KHTMLViewPrivate *d; }; #endif
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