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285 lines
10 KiB
285 lines
10 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.
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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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class KPrinter;
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#include <tqpainter.h>
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#include <tqpopupmenu.h>
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#include <tqtextedit.h>
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#include <tqtimer.h>
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#include <tdeaction.h>
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#include <kdebug.h>
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#include <kiconloader.h>
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#include <tdelocale.h>
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#include <kstdaction.h>
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#include <ktip.h>
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//#include <tdeglobal.h>
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#include <kformulacontainer.h>
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#include <kformuladocument.h>
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#include "formulastring.h"
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#include "fsparser.h"
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#include "kfconfig.h"
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#include "kformula_doc.h"
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#include "kformula_factory.h"
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#include "kformula_view.h"
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#include "kformula_view_iface.h"
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#include "kformulawidget.h"
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bool KFormulaPartView::first_window = true;
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KFormulaPartView::KFormulaPartView(KFormulaDoc* _doc, TQWidget* _parent, const char* _name)
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: KoView( _doc, _parent, _name ), m_pDoc(_doc)
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{
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setInstance(KFormulaFactory::global());
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if ( !_doc->isReadWrite() )
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setXMLFile("kformula_readonly.rc");
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else
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setXMLFile("kformula.rc");
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m_dcop = 0;
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dcopObject(); // build it
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scrollview = new TQScrollView(this, "scrollview");
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formulaWidget = new KFormulaWidget(_doc->getFormula(), scrollview->viewport(), "formulaWidget");
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scrollview->addChild(formulaWidget);
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scrollview->viewport()->setFocusProxy( scrollview );
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scrollview->viewport()->setFocusPolicy( TQ_WheelFocus );
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scrollview->setFocusPolicy( TQ_NoFocus );
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formulaWidget->setFocus();
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// Nice parts start in read only mode.
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formulaWidget->setReadOnly(true);
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KFormula::Container* formula = m_pDoc->getFormula();
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KFormula::Document* document = m_pDoc->getDocument();
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// copy&paste
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cutAction = KStdAction::cut(document->wrapper(), TQT_SLOT(cut()), actionCollection());
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copyAction = KStdAction::copy(document->wrapper(), TQT_SLOT(copy()), actionCollection());
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pasteAction = KStdAction::paste(document->wrapper(), TQT_SLOT(paste()), actionCollection());
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cutAction->setEnabled(false);
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copyAction->setEnabled(false);
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// tip of the day
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KStdAction::tipOfDay( TQT_TQOBJECT(this), TQT_SLOT( slotShowTip() ), actionCollection() );
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// elements
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addBracketAction = document->wrapper()->getAddBracketAction();
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addFractionAction = document->wrapper()->getAddFractionAction();
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addRootAction = document->wrapper()->getAddRootAction();
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addSumAction = document->wrapper()->getAddSumAction();
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addProductAction = document->wrapper()->getAddProductAction();
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addIntegralAction = document->wrapper()->getAddIntegralAction();
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addMatrixAction = document->wrapper()->getAddMatrixAction();
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addUpperLeftAction = document->wrapper()->getAddUpperLeftAction();
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addLowerLeftAction = document->wrapper()->getAddLowerLeftAction();
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addUpperRightAction = document->wrapper()->getAddUpperRightAction();
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addLowerRightAction = document->wrapper()->getAddLowerRightAction();
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addGenericUpperAction = document->wrapper()->getAddGenericUpperAction();
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addGenericLowerAction = document->wrapper()->getAddGenericLowerAction();
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removeEnclosingAction = document->wrapper()->getRemoveEnclosingAction();
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(void) KStdAction::selectAll(TQT_TQOBJECT(formulaWidget), TQT_SLOT(slotSelectAll()), actionCollection());
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//------------------------ Settings menu
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KStdAction::preferences( TQT_TQOBJECT(this), TQT_SLOT(configure()), actionCollection(), "configure" );
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// font stuff
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// TDEFontAction* actionElement_Text_Font = new TDEFontAction(i18n( "Font Family" ),0,
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// actionCollection(),"textfont");
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// connect( actionElement_Text_Font, TQT_SIGNAL( activated( const TQString& ) ), TQT_TQOBJECT(this), TQT_SLOT( fontSelected( const TQString& ) ) );
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TDEFontSizeAction* actionTextSize = new TDEFontSizeAction(i18n( "Size" ),0,
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actionCollection(),"formula_textsize");
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actionTextSize->setFontSize( m_pDoc->getFormula()->fontSize() );
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connect( actionTextSize, TQT_SIGNAL( fontSizeChanged( int ) ), TQT_TQOBJECT(this), TQT_SLOT( sizeSelected( int ) ) );
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connect( formula, TQT_SIGNAL( baseSizeChanged( int ) ), actionTextSize, TQT_SLOT( setFontSize( int ) ) );
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// TDEToggleAction* actionElement_Text_Bold = new TDEToggleAction(i18n( "Bold" ),
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// "bold",
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// 0,
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// actionCollection(),"textbold");
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// connect( actionElement_Text_Bold, TQT_SIGNAL( toggled( bool ) ), TQT_TQOBJECT(this), TQT_SLOT( bold( bool ) ) );
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// TDEToggleAction* actionElement_Text_Italic = new TDEToggleAction(i18n( "Italic" ),
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// "italic",
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// 0,
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// actionCollection(),"textitalic");
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// connect( actionElement_Text_Italic, TQT_SIGNAL( toggled( bool ) ), TQT_TQOBJECT(this), TQT_SLOT( italic( bool ) ) );
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// TDEToggleAction* actionElement_Text_Under = new TDEToggleAction(i18n( "Underlined" ),
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// "underl",
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// 0,
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// actionCollection(),"textunder");
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// connect(actionElement_Text_Under, TQT_SIGNAL( toggled( bool ) ), TQT_TQOBJECT(this), TQT_SLOT( underline( bool ) ) );
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formulaStringAction = new TDEAction( i18n( "Edit Formula String..." ),
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0,
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TQT_TQOBJECT(this), TQT_SLOT( formulaString() ),
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actionCollection(), "formula_formulastring" );
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// notify on cursor change
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connect(formulaWidget, TQT_SIGNAL(cursorChanged(bool, bool)),
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TQT_TQOBJECT(this), TQT_SLOT(cursorChanged(bool, bool)));
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connect( formula, TQT_SIGNAL( statusMsg( const TQString& ) ),
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TQT_TQOBJECT(this), TQT_SLOT( slotActionStatusText( const TQString& ) ) );
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if ( !_doc->isEmbedded() && first_window ) {
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TQTimer::singleShot( 200, TQT_TQOBJECT(this), TQT_SLOT(slotShowTipOnStart()) );
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first_window = false;
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}
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}
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KFormulaPartView::~KFormulaPartView()
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{
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delete m_dcop;
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}
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DCOPObject* KFormulaPartView::dcopObject()
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{
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if ( !m_dcop )
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m_dcop = new KformulaViewIface( this );
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return m_dcop;
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}
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void KFormulaPartView::focusInEvent(TQFocusEvent*)
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{
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formulaWidget->setFocus();
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}
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void KFormulaPartView::updateReadWrite(bool readwrite)
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{
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formulaWidget->setReadOnly(!readwrite);
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setEnabled(readwrite);
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}
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void KFormulaPartView::slotShowTipOnStart() {
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KTipDialog::showTip( this );
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}
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void KFormulaPartView::slotShowTip() {
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KTipDialog::showTip( this, TQString(), true );
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}
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void KFormulaPartView::setEnabled(bool enabled)
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{
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addBracketAction->setEnabled(enabled);
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addFractionAction->setEnabled(enabled);
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addRootAction->setEnabled(enabled);
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addSumAction->setEnabled(enabled);
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addIntegralAction->setEnabled(enabled);
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addMatrixAction->setEnabled(enabled);
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addUpperLeftAction->setEnabled(enabled);
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addLowerLeftAction->setEnabled(enabled);
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addUpperRightAction->setEnabled(enabled);
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addLowerRightAction->setEnabled(enabled);
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addGenericUpperAction->setEnabled(enabled);
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addGenericLowerAction->setEnabled(enabled);
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removeEnclosingAction->setEnabled(enabled);
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}
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void KFormulaPartView::resizeEvent( TQResizeEvent * )
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{
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scrollview->setGeometry(0, 0, width(), height());
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}
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void KFormulaPartView::setupPrinter(KPrinter&)
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{
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}
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void KFormulaPartView::print(KPrinter& printer)
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{
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m_pDoc->getFormula()->print(printer);
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}
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const KFormula::View* KFormulaPartView::formulaView() const { return formulaWidget->view(); }
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KFormula::View* KFormulaPartView::formulaView() { return formulaWidget->view(); }
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void KFormulaPartView::cursorChanged(bool visible, bool selecting)
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{
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cutAction->setEnabled(visible && selecting);
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copyAction->setEnabled(visible && selecting);
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removeEnclosingAction->setEnabled(!selecting);
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if (visible) {
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int x = formulaWidget->getCursorPoint().x();
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int y = formulaWidget->getCursorPoint().y();
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scrollview->ensureVisible(x, y);
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}
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KFormula::Document* doc = document()->getDocument();
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doc->wrapper()->getFormatBoldAction()->setEnabled( selecting );
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doc->wrapper()->getFormatItalicAction()->setEnabled( selecting );
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doc->wrapper()->getFontFamilyAction()->setEnabled( selecting );
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if ( !selecting ) {
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doc->wrapper()->getFormatBoldAction()->setChecked( false );
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doc->wrapper()->getFormatItalicAction()->setChecked( false );
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doc->wrapper()->getFontFamilyAction()->setCurrentItem( 0 );
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}
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}
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void KFormulaPartView::formulaString()
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{
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FormulaString dia( this );
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dia.textWidget->setText( document()->getFormula()->formulaString() );
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if ( dia.exec() ) {
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// How lovely.
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}
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}
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void KFormulaPartView::sizeSelected( int size )
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{
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document()->getFormula()->setFontSize( size );
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formulaWidget->setFocus();
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}
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TQStringList KFormulaPartView::readFormulaString( TQString text )
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{
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FormulaStringParser parser( document()->getDocument()->getSymbolTable(), text );
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TQDomDocument formula = parser.parse();
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TQStringList errorList = parser.errorList();
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//if ( errorList.count() == 0 ) {
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formulaView()->slotSelectAll();
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document()->getFormula()->paste( formula, i18n( "Read Formula String" ) );
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//}
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return errorList;
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}
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void KFormulaPartView::configure()
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{
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KFConfig configDia( this );
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configDia.exec();
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}
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#include "kformula_view.moc"
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