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121 lines
2.9 KiB
121 lines
2.9 KiB
/* This file is part of the KDE project
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Copyright (C) 2001 Andrea Rizzi <rizzi@kde.org>
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Ulrich Kuettler <ulrich.kuettler@mailbox.tu-dresden.de>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef KFORMULAWIDGET_H
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#define KFORMULAWIDGET_H
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#include <tqdom.h>
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#include <tqpixmap.h>
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#include <tqpoint.h>
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#include <tqwidget.h>
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#include "kformuladefs.h"
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#include "kformulaview.h"
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KFORMULA_NAMESPACE_BEGIN
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class BasicElement;
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class FormulaCursor;
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class FormulaElement;
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class Container;
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KFORMULA_NAMESPACE_END
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using namespace KFormula;
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/**
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* The view. A widget that shows the formula. There are methods
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* to move the cursor around. To edit the formula use the document.
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*/
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class KFormulaWidget : public TQWidget {
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Q_OBJECT
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public:
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KFormulaWidget(Container*, TQWidget* parent=0, const char* name=0, WFlags f=0);
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~KFormulaWidget();
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/**
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* @returns the point inside the formula widget where the cursor is.
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*/
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TQPoint getCursorPoint() const;
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/**
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* Puts the widget in read only mode.
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*/
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void setReadOnly(bool ro);
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public slots:
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void slotSelectAll();
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signals:
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/**
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* Is emitted every time the cursor might have changed.
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*/
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void cursorChanged(bool visible, bool selecting);
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protected slots:
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/**
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* The formula has changed and needs to be redrawn.
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*/
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void slotFormulaChanged(int width, int height);
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void slotCursorChanged(bool visible, bool selecting);
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protected:
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virtual void mousePressEvent(TQMouseEvent* event);
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virtual void mouseReleaseEvent(TQMouseEvent* event);
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virtual void mouseDoubleClickEvent(TQMouseEvent* event);
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virtual void mouseMoveEvent(TQMouseEvent* event);
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virtual void wheelEvent(TQWheelEvent* event);
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virtual void paintEvent(TQPaintEvent* event);
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virtual void keyPressEvent(TQKeyEvent* event);
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virtual void focusInEvent(TQFocusEvent* event);
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virtual void focusOutEvent(TQFocusEvent* event);
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/**
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* The document we show.
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*/
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Container* getDocument();
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/**
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* Our cursor.
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*/
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FormulaCursor* getCursor();
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private:
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/**
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* This widget is a wrapper around the actual view.
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*/
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View formulaView;
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TQPixmap buffer;
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};
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#endif // KFORMULAWIDGET_H
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