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Diffstat (limited to 'kformula/kformula_view.cpp')
| -rw-r--r-- | kformula/kformula_view.cpp | 284 |
1 files changed, 284 insertions, 0 deletions
diff --git a/kformula/kformula_view.cpp b/kformula/kformula_view.cpp new file mode 100644 index 000000000..2d93ce5d8 --- /dev/null +++ b/kformula/kformula_view.cpp @@ -0,0 +1,284 @@ +/* This file is part of the KDE project + Copyright (C) 2001 Andrea Rizzi <rizzi@kde.org> + Ulrich Kuettler <ulrich.kuettler@mailbox.tu-dresden.de> + + 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. + + 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., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. +*/ + +class KPrinter; + +#include <tqpainter.h> +#include <tqpopupmenu.h> +#include <tqtextedit.h> +#include <tqtimer.h> + +#include <tdeaction.h> +#include <kdebug.h> +#include <kiconloader.h> +#include <tdelocale.h> +#include <kstdaction.h> +#include <ktip.h> +//#include <tdeglobal.h> + +#include <kformulacontainer.h> +#include <kformuladocument.h> + +#include "formulastring.h" +#include "fsparser.h" +#include "kfconfig.h" +#include "kformula_doc.h" +#include "kformula_factory.h" +#include "kformula_view.h" +#include "kformula_view_iface.h" +#include "kformulawidget.h" + + +bool KFormulaPartView::first_window = true; + +KFormulaPartView::KFormulaPartView(KFormulaDoc* _doc, TQWidget* _parent, const char* _name) + : KoView( _doc, _parent, _name ), m_pDoc(_doc) +{ + setInstance(KFormulaFactory::global()); + if ( !_doc->isReadWrite() ) + setXMLFile("kformula_readonly.rc"); + else + setXMLFile("kformula.rc"); + + m_dcop = 0; + dcopObject(); // build it + + scrollview = new TQScrollView(this, "scrollview"); + formulaWidget = new KFormulaWidget(_doc->getFormula(), scrollview->viewport(), "formulaWidget"); + scrollview->addChild(formulaWidget); + + scrollview->viewport()->setFocusProxy( scrollview ); + scrollview->viewport()->setFocusPolicy( TQ_WheelFocus ); + scrollview->setFocusPolicy( TQ_NoFocus ); + formulaWidget->setFocus(); + + // Nice parts start in read only mode. + formulaWidget->setReadOnly(true); + + KFormula::Container* formula = m_pDoc->getFormula(); + KFormula::Document* document = m_pDoc->getDocument(); + + // copy&paste + cutAction = KStdAction::cut(document->wrapper(), TQT_SLOT(cut()), actionCollection()); + copyAction = KStdAction::copy(document->wrapper(), TQT_SLOT(copy()), actionCollection()); + pasteAction = KStdAction::paste(document->wrapper(), TQT_SLOT(paste()), actionCollection()); + cutAction->setEnabled(false); + copyAction->setEnabled(false); + + // tip of the day + KStdAction::tipOfDay( TQT_TQOBJECT(this), TQT_SLOT( slotShowTip() ), actionCollection() ); + + // elements + addBracketAction = document->wrapper()->getAddBracketAction(); + addFractionAction = document->wrapper()->getAddFractionAction(); + addRootAction = document->wrapper()->getAddRootAction(); + addSumAction = document->wrapper()->getAddSumAction(); + addProductAction = document->wrapper()->getAddProductAction(); + addIntegralAction = document->wrapper()->getAddIntegralAction(); + addMatrixAction = document->wrapper()->getAddMatrixAction(); + addUpperLeftAction = document->wrapper()->getAddUpperLeftAction(); + addLowerLeftAction = document->wrapper()->getAddLowerLeftAction(); + addUpperRightAction = document->wrapper()->getAddUpperRightAction(); + addLowerRightAction = document->wrapper()->getAddLowerRightAction(); + addGenericUpperAction = document->wrapper()->getAddGenericUpperAction(); + addGenericLowerAction = document->wrapper()->getAddGenericLowerAction(); + removeEnclosingAction = document->wrapper()->getRemoveEnclosingAction(); + + (void) KStdAction::selectAll(TQT_TQOBJECT(formulaWidget), TQT_SLOT(slotSelectAll()), actionCollection()); + + //------------------------ Settings menu + KStdAction::preferences( TQT_TQOBJECT(this), TQT_SLOT(configure()), actionCollection(), "configure" ); + + // font stuff +// TDEFontAction* actionElement_Text_Font = new TDEFontAction(i18n( "Font Family" ),0, +// actionCollection(),"textfont"); +// connect( actionElement_Text_Font, TQT_SIGNAL( activated( const TQString& ) ), TQT_TQOBJECT(this), TQT_SLOT( fontSelected( const TQString& ) ) ); + + TDEFontSizeAction* actionTextSize = new TDEFontSizeAction(i18n( "Size" ),0, + actionCollection(),"formula_textsize"); + actionTextSize->setFontSize( m_pDoc->getFormula()->fontSize() ); + + connect( actionTextSize, TQT_SIGNAL( fontSizeChanged( int ) ), TQT_TQOBJECT(this), TQT_SLOT( sizeSelected( int ) ) ); + connect( formula, TQT_SIGNAL( baseSizeChanged( int ) ), actionTextSize, TQT_SLOT( setFontSize( int ) ) ); + +// TDEToggleAction* actionElement_Text_Bold = new TDEToggleAction(i18n( "Bold" ), +// "bold", +// 0, +// actionCollection(),"textbold"); +// connect( actionElement_Text_Bold, TQT_SIGNAL( toggled( bool ) ), TQT_TQOBJECT(this), TQT_SLOT( bold( bool ) ) ); + +// TDEToggleAction* actionElement_Text_Italic = new TDEToggleAction(i18n( "Italic" ), +// "italic", +// 0, +// actionCollection(),"textitalic"); +// connect( actionElement_Text_Italic, TQT_SIGNAL( toggled( bool ) ), TQT_TQOBJECT(this), TQT_SLOT( italic( bool ) ) ); + +// TDEToggleAction* actionElement_Text_Under = new TDEToggleAction(i18n( "Underlined" ), +// "underl", +// 0, +// actionCollection(),"textunder"); +// connect(actionElement_Text_Under, TQT_SIGNAL( toggled( bool ) ), TQT_TQOBJECT(this), TQT_SLOT( underline( bool ) ) ); + + + formulaStringAction = new TDEAction( i18n( "Edit Formula String..." ), + 0, + TQT_TQOBJECT(this), TQT_SLOT( formulaString() ), + actionCollection(), "formula_formulastring" ); + // notify on cursor change + connect(formulaWidget, TQT_SIGNAL(cursorChanged(bool, bool)), + TQT_TQOBJECT(this), TQT_SLOT(cursorChanged(bool, bool))); + + connect( formula, TQT_SIGNAL( statusMsg( const TQString& ) ), + TQT_TQOBJECT(this), TQT_SLOT( slotActionStatusText( const TQString& ) ) ); + + if ( !_doc->isEmbedded() && first_window ) { + TQTimer::singleShot( 200, TQT_TQOBJECT(this), TQT_SLOT(slotShowTipOnStart()) ); + first_window = false; + } +} + + +KFormulaPartView::~KFormulaPartView() +{ + delete m_dcop; +} + +DCOPObject* KFormulaPartView::dcopObject() +{ + if ( !m_dcop ) + m_dcop = new KformulaViewIface( this ); + + return m_dcop; +} + + +void KFormulaPartView::focusInEvent(TQFocusEvent*) +{ + formulaWidget->setFocus(); +} + +void KFormulaPartView::updateReadWrite(bool readwrite) +{ + formulaWidget->setReadOnly(!readwrite); + setEnabled(readwrite); +} + +void KFormulaPartView::slotShowTipOnStart() { + KTipDialog::showTip( this ); +} + +void KFormulaPartView::slotShowTip() { + KTipDialog::showTip( this, TQString(), true ); +} + + +void KFormulaPartView::setEnabled(bool enabled) +{ + addBracketAction->setEnabled(enabled); + addFractionAction->setEnabled(enabled); + addRootAction->setEnabled(enabled); + addSumAction->setEnabled(enabled); + addIntegralAction->setEnabled(enabled); + addMatrixAction->setEnabled(enabled); + addUpperLeftAction->setEnabled(enabled); + addLowerLeftAction->setEnabled(enabled); + addUpperRightAction->setEnabled(enabled); + addLowerRightAction->setEnabled(enabled); + addGenericUpperAction->setEnabled(enabled); + addGenericLowerAction->setEnabled(enabled); + removeEnclosingAction->setEnabled(enabled); +} + +void KFormulaPartView::resizeEvent( TQResizeEvent * ) +{ + scrollview->setGeometry(0, 0, width(), height()); +} + + +void KFormulaPartView::setupPrinter(KPrinter&) +{ +} + +void KFormulaPartView::print(KPrinter& printer) +{ + m_pDoc->getFormula()->print(printer); +} + +const KFormula::View* KFormulaPartView::formulaView() const { return formulaWidget->view(); } +KFormula::View* KFormulaPartView::formulaView() { return formulaWidget->view(); } + +void KFormulaPartView::cursorChanged(bool visible, bool selecting) +{ + cutAction->setEnabled(visible && selecting); + copyAction->setEnabled(visible && selecting); + + removeEnclosingAction->setEnabled(!selecting); + + if (visible) { + int x = formulaWidget->getCursorPoint().x(); + int y = formulaWidget->getCursorPoint().y(); + scrollview->ensureVisible(x, y); + } + + KFormula::Document* doc = document()->getDocument(); + doc->wrapper()->getFormatBoldAction()->setEnabled( selecting ); + doc->wrapper()->getFormatItalicAction()->setEnabled( selecting ); + doc->wrapper()->getFontFamilyAction()->setEnabled( selecting ); + if ( !selecting ) { + doc->wrapper()->getFormatBoldAction()->setChecked( false ); + doc->wrapper()->getFormatItalicAction()->setChecked( false ); + doc->wrapper()->getFontFamilyAction()->setCurrentItem( 0 ); + } +} + +void KFormulaPartView::formulaString() +{ + FormulaString dia( this ); + dia.textWidget->setText( document()->getFormula()->formulaString() ); + if ( dia.exec() ) { + // How lovely. + } +} + +void KFormulaPartView::sizeSelected( int size ) +{ + document()->getFormula()->setFontSize( size ); + formulaWidget->setFocus(); +} + +TQStringList KFormulaPartView::readFormulaString( TQString text ) +{ + FormulaStringParser parser( document()->getDocument()->getSymbolTable(), text ); + TQDomDocument formula = parser.parse(); + TQStringList errorList = parser.errorList(); + //if ( errorList.count() == 0 ) { + formulaView()->slotSelectAll(); + document()->getFormula()->paste( formula, i18n( "Read Formula String" ) ); + //} + return errorList; +} + +void KFormulaPartView::configure() +{ + KFConfig configDia( this ); + configDia.exec(); +} + +#include "kformula_view.moc" |