/****************************************************************************** $Id: qt/textedit.cpp   3.3.4   edited May 27 2003 $**** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.**** This file is part of an example program for Qt.  This example** program may be used, distributed and modified without limitation.*******************************************************************************/#include "textedit.h"#include <qtextedit.h>#include <qaction.h>#include <qmenubar.h>#include <qpopupmenu.h>#include <qtoolbar.h>#include <qtabwidget.h>#include <qapplication.h>#include <qfontdatabase.h>#include <qcombobox.h>#include <qlineedit.h>#include <qfileinfo.h>#include <qfile.h>#include <qfiledialog.h>#include <qprinter.h>#include <qpaintdevicemetrics.h>#include <qsimplerichtext.h>#include <qcolordialog.h>#include <qpainter.h>TextEdit::TextEdit( QWidget *parent, const char *name )    : QMainWindow( parent, name, 0 ){    setupFileActions();    setupEditActions();    setupTextActions();    tabWidget = new QTabWidget( this );    connect( tabWidget, SIGNAL( currentChanged( QWidget * ) ),	     this, SLOT( editorChanged( QWidget * ) ) );    setCentralWidget( tabWidget );}void TextEdit::setupFileActions(){    QToolBar *tb = new QToolBar( this );    QPopupMenu *menu = new QPopupMenu( this );    menuBar()->insertItem( tr( "&File" ), menu );    QAction *a;    a = new QAction( tr( "New" ), QPixmap( "textdrawing/filenew.png" ), tr( "&New..." ), CTRL + Key_N, this, "fileNew" );    connect( a, SIGNAL( activated() ), this, SLOT( fileNew() ) );    a->addTo( tb );    a->addTo( menu );    a = new QAction( tr( "Open" ), QPixmap( "textdrawing/fileopen.png" ), tr( "&Open..." ), CTRL + Key_O, this, "fileOpen" );    connect( a, SIGNAL( activated() ), this, SLOT( fileOpen() ) );    a->addTo( tb );    a->addTo( menu );    menu->insertSeparator();    a = new QAction( tr( "Save" ), QPixmap( "textdrawing/filesave.png" ), tr( "&Save..." ), CTRL + Key_S, this, "fileSave" );    connect( a, SIGNAL( activated() ), this, SLOT( fileSave() ) );    a->addTo( tb );    a->addTo( menu );    a = new QAction( tr( "Save As" ), QPixmap(), tr( "Save &As..." ), 0, this, "fileSaveAs" );    connect( a, SIGNAL( activated() ), this, SLOT( fileSaveAs() ) );    a->addTo( menu );    menu->insertSeparator();    a = new QAction( tr( "Print" ), QPixmap( "textdrawing/print.png" ), tr( "&Print..." ), CTRL + Key_P, this, "filePrint" );    connect( a, SIGNAL( activated() ), this, SLOT( filePrint() ) );    a->addTo( tb );    a->addTo( menu );    a = new QAction( tr( "Close" ), QPixmap(), tr( "&Close" ), 0, this, "fileClose" );    connect( a, SIGNAL( activated() ), this, SLOT( fileClose() ) );    a->addTo( menu );}void TextEdit::setupEditActions(){    QToolBar *tb = new QToolBar( this );    QPopupMenu *menu = new QPopupMenu( this );    menuBar()->insertItem( tr( "&Edit" ), menu );    QAction *a;    a = new QAction( tr( "Undo" ), QPixmap( "textdrawing/undo.png" ), tr( "&Undo" ), CTRL + Key_Z, this, "editUndo" );    connect( a, SIGNAL( activated() ), this, SLOT( editUndo() ) );    a->addTo( tb );    a->addTo( menu );    a = new QAction( tr( "Redo" ), QPixmap( "textdrawing/redo.png" ), tr( "&Redo" ), CTRL + Key_Y, this, "editRedo" );    connect( a, SIGNAL( activated() ), this, SLOT( editRedo() ) );    a->addTo( tb );    a->addTo( menu );    menu->insertSeparator();    a = new QAction( tr( "Cut" ), QPixmap( "textdrawing/editcut.png" ), tr( "&Cut" ), CTRL + Key_X, this, "editCut" );    connect( a, SIGNAL( activated() ), this, SLOT( editCut() ) );    a->addTo( tb );    a->addTo( menu );    a = new QAction( tr( "Copy" ), QPixmap( "textdrawing/editcopy.png" ), tr( "C&opy" ), CTRL + Key_C, this, "editCopy" );    connect( a, SIGNAL( activated() ), this, SLOT( editCopy() ) );    a->addTo( tb );    a->addTo( menu );    a = new QAction( tr( "Paste" ), QPixmap( "textdrawing/editpaste.png" ), tr( "&Paste" ), CTRL + Key_V, this, "editPaste" );    connect( a, SIGNAL( activated() ), this, SLOT( editPaste() ) );    a->addTo( tb );    a->addTo( menu );}void TextEdit::setupTextActions(){    QToolBar *tb = new QToolBar( this );    QPopupMenu *menu = new QPopupMenu( this );    menuBar()->insertItem( tr( "For&mat" ), menu );    comboStyle = new QComboBox( FALSE, tb );    comboStyle->insertItem( tr("Standard") );    comboStyle->insertItem( tr("Bullet List (Disc)") );    comboStyle->insertItem( tr("Bullet List (Circle)") );    comboStyle->insertItem( tr("Bullet List (Square)") );    comboStyle->insertItem( tr("Ordered List (Decimal)") );    comboStyle->insertItem( tr("Ordered List (Alpha lower)") );    comboStyle->insertItem( tr("Ordered List (Alpha upper)") );    connect( comboStyle, SIGNAL( activated( int ) ),	     this, SLOT( textStyle( int ) ) );    comboFont = new QComboBox( TRUE, tb );    QFontDatabase db;    comboFont->insertStringList( db.families() );    connect( comboFont, SIGNAL( activated( const QString & ) ),	     this, SLOT( textFamily( const QString & ) ) );    comboFont->lineEdit()->setText( QApplication::font().family() );    comboSize = new QComboBox( TRUE, tb );    QValueList<int> sizes = db.standardSizes();    QValueList<int>::Iterator it = sizes.begin();    for ( ; it != sizes.end(); ++it )	comboSize->insertItem( QString::number( *it ) );    connect( comboSize, SIGNAL( activated( const QString & ) ),	     this, SLOT( textSize( const QString & ) ) );    comboSize->lineEdit()->setText( QString::number( QApplication::font().pointSize() ) );    actionTextBold = new QAction( tr( "Bold" ), QPixmap( "textdrawing/textbold.png" ), tr( "&Bold" ), CTRL + Key_B, this, "textBold" );    connect( actionTextBold, SIGNAL( activated() ), this, SLOT( textBold() ) );    actionTextBold->addTo( tb );    actionTextBold->addTo( menu );    actionTextBold->setToggleAction( TRUE );    actionTextItalic = new QAction( tr( "Italic" ), QPixmap( "textdrawing/textitalic.png" ), tr( "&Italic" ), CTRL + Key_I, this, "textItalic" );    connect( actionTextItalic, SIGNAL( activated() ), this, SLOT( textItalic() ) );    actionTextItalic->addTo( tb );    actionTextItalic->addTo( menu );    actionTextItalic->setToggleAction( TRUE );    actionTextUnderline = new QAction( tr( "Underline" ), QPixmap( "textdrawing/textunderline.png" ), tr( "&Underline" ), CTRL + Key_U, this, "textUnderline" );    connect( actionTextUnderline, SIGNAL( activated() ), this, SLOT( textUnderline() ) );    actionTextUnderline->addTo( tb );    actionTextUnderline->addTo( menu );    actionTextUnderline->setToggleAction( TRUE );    menu->insertSeparator();    QActionGroup *grp = new QActionGroup( this );    grp->setExclusive( TRUE );    connect( grp, SIGNAL( selected( QAction* ) ), this, SLOT( textAlign( QAction* ) ) );    actionAlignLeft = new QAction( tr( "Left" ), QPixmap( "textdrawing/textleft.png" ), tr( "&Left" ), CTRL + Key_L, grp, "textLeft" );    actionAlignLeft->addTo( tb );    actionAlignLeft->addTo( menu );    actionAlignLeft->setToggleAction( TRUE );    actionAlignCenter = new QAction( tr( "Center" ), QPixmap( "textdrawing/textcenter.png" ), tr( "C&enter" ), CTRL + Key_M, grp, "textCenter" );    actionAlignCenter->addTo( tb );    actionAlignCenter->addTo( menu );    actionAlignCenter->setToggleAction( TRUE );    actionAlignRight = new QAction( tr( "Right" ), QPixmap( "textdrawing/textright.png" ), tr( "&Right" ), CTRL + Key_R, grp, "textRight" );    actionAlignRight->addTo( tb );    actionAlignRight->addTo( menu );    actionAlignRight->setToggleAction( TRUE );    actionAlignJustify = new QAction( tr( "Justify" ), QPixmap( "textdrawing/textjustify.png" ), tr( "&Justify" ), CTRL + Key_J, grp, "textjustify" );    actionAlignJustify->addTo( tb );    actionAlignJustify->addTo( menu );    actionAlignJustify->setToggleAction( TRUE );    menu->insertSeparator();    QPixmap pix( 16, 16 );    pix.fill( black );    actionTextColor = new QAction( tr( "Color" ), pix, tr( "&Color..." ), 0, this, "textColor" );    connect( actionTextColor, SIGNAL( activated() ), this, SLOT( textColor() ) );    actionTextColor->addTo( tb );    actionTextColor->addTo( menu );}void TextEdit::load( const QString &f ){    if ( !QFile::exists( f ) )	return;    QTextEdit *edit = new QTextEdit( tabWidget );    doConnections( edit );    tabWidget->addTab( edit, QFileInfo( f ).fileName() );    QFile fl( f );    fl.open( IO_ReadOnly );    QByteArray array = fl.readAll();    array.resize( array.size() +1 );    array[ (int)array.size() - 1 ] = '\0';    QString text = ( f.find( "bidi.txt" ) != -1 ? QString::fromUtf8( array.data() ) : QString::fromLatin1( array.data() ) );    edit->setText( text );    edit->viewport()->setFocus();    edit->setTextFormat( Qt::RichText );}QTextEdit *TextEdit::currentEditor() const{    if ( tabWidget->currentPage() &&	 tabWidget->currentPage()->inherits( "QTextEdit" ) )	return (QTextEdit*)tabWidget->currentPage();    return 0;}void TextEdit::doConnections( QTextEdit *e ){    connect( e, SIGNAL( currentFontChanged( const QFont & ) ),	     this, SLOT( fontChanged( const QFont & ) ) );    connect( e, SIGNAL( currentColorChanged( const QColor & ) ),	     this, SLOT( colorChanged( const QColor & ) ) );    connect( e, SIGNAL( currentAlignmentChanged( int ) ),	     this, SLOT( alignmentChanged( int ) ) );}void TextEdit::fileNew(){    QTextEdit *edit = new QTextEdit( tabWidget );    doConnections( edit );    tabWidget->addTab( edit, tr( "noname" ) );    tabWidget->showPage( edit );    edit->viewport()->setFocus();}void TextEdit::fileOpen(){    QString fn = QFileDialog::getOpenFileName( QString::null, tr( "HTML-Files (*.htm *.html);;All Files (*)" ), this );    if ( !fn.isEmpty() )	load( fn );