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158 lines
4.0 KiB
158 lines
4.0 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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#include <iostream>
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#include <tqpainter.h>
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#include <tdeapplication.h>
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#include <kdebug.h>
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#include <basicelement.h>
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#include <formulacursor.h>
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#include <formulaelement.h>
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#include <kformulacontainer.h>
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#include <kformuladocument.h>
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#include "kformulawidget.h"
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KFormulaWidget::KFormulaWidget(KFormula::Container* doc,
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TQWidget* parent, const char* name, WFlags f)
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: TQWidget(parent, name, f | WRepaintNoErase | WResizeNoErase),
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formulaView(doc)
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{
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connect(doc, TQT_SIGNAL(formulaChanged(int, int)),
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this, TQT_SLOT(slotFormulaChanged(int, int)));
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connect(&formulaView, TQT_SIGNAL(cursorChanged(bool, bool)),
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this, TQT_SLOT(slotCursorChanged(bool, bool)));
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setFocusPolicy(TQ_StrongFocus);
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setBackgroundMode(NoBackground/*TQWidget::PaletteBase*/);
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TQRect rect = doc->boundingRect();
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slotFormulaChanged(rect.width(), rect.height());
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}
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KFormulaWidget::~KFormulaWidget()
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{
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}
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TQPoint KFormulaWidget::getCursorPoint() const
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{
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return formulaView.getCursorPoint();
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}
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void KFormulaWidget::setReadOnly(bool ro)
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{
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formulaView.setReadOnly(ro);
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}
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void KFormulaWidget::paintEvent(TQPaintEvent* event)
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{
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// Always repaint the buffer. This is not so much more work
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// than it seems to be as each cursor movement requires a repaint.
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TQPainter p( &buffer );
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//p.translate( -fr.x(), -fr.y() );
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formulaView.draw( p, event->rect(), colorGroup() );
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TQPainter painter;
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painter.begin(this);
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painter.drawPixmap( event->rect().x(), event->rect().y(),
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buffer, event->rect().x(), event->rect().y(), event->rect().width(), event->rect().height() );
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painter.end();
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}
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void KFormulaWidget::keyPressEvent(TQKeyEvent* event)
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{
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formulaView.keyPressEvent(event);
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}
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void KFormulaWidget::focusInEvent(TQFocusEvent* event)
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{
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formulaView.focusInEvent(event);
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}
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void KFormulaWidget::focusOutEvent(TQFocusEvent* event)
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{
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formulaView.focusOutEvent(event);
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}
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void KFormulaWidget::mousePressEvent(TQMouseEvent* event)
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{
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formulaView.mousePressEvent(event);
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}
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void KFormulaWidget::mouseReleaseEvent(TQMouseEvent* event)
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{
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formulaView.mouseReleaseEvent(event);
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}
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void KFormulaWidget::mouseDoubleClickEvent(TQMouseEvent* event)
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{
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formulaView.mouseDoubleClickEvent(event);
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}
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void KFormulaWidget::mouseMoveEvent(TQMouseEvent* event)
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{
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formulaView.mouseMoveEvent(event);
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}
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void KFormulaWidget::slotFormulaChanged(int width, int height)
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{
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// Magic numbers just to see the cursor.
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resize(width + 5, height + 5);
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buffer.resize(width + 5, height + 5);
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update();
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//kdDebug( 40000 ) << "KFormulaWidget::slotFormulaChanged" << endl;
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}
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/**
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* The document we show.
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*/
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KFormula::Container* KFormulaWidget::getDocument()
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{
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return formulaView.getDocument();
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}
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/**
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* Our cursor.
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*/
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KFormula::FormulaCursor* KFormulaWidget::getCursor()
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{
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return formulaView.getCursor();
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}
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void KFormulaWidget::slotSelectAll()
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{
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formulaView.slotSelectAll();
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}
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void KFormulaWidget::slotCursorChanged(bool visible, bool selecting)
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{
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emit cursorChanged(visible, selecting);
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update();
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}
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#include "kformulawidget.moc"
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