<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/examples/helpviewer/helpviewer.doc:4 --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Simple HTML Help Browser</title> <style type="text/css"><!-- fn { margin-left: 1cm; text-indent: -1cm; } a:link { color: #004faf; text-decoration: none } a:visited { color: #672967; text-decoration: none } body { background: #ffffff; color: black; } --></style> </head> <body> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr bgcolor="#E5E5E5"> <td valign=center> <a href="index.html"> <font color="#004faf">Home</font></a> | <a href="classes.html"> <font color="#004faf">All Classes</font></a> | <a href="mainclasses.html"> <font color="#004faf">Main Classes</font></a> | <a href="annotated.html"> <font color="#004faf">Annotated</font></a> | <a href="groups.html"> <font color="#004faf">Grouped Classes</font></a> | <a href="functions.html"> <font color="#004faf">Functions</font></a> </td> <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>Simple HTML Help Browser</h1> <p> This example implements a simple HTML help browser using TQt's richtext capabilities. <p> <hr> <p> Header file: <p> <pre>/**************************************************************************** ** $Id: qt/helpwindow.h 3.3.8 edited Jan 11 14:37 $ ** ** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. ** ** This file is part of an example program for TQt. This example ** program may be used, distributed and modified without limitation. ** *****************************************************************************/ #ifndef HELPWINDOW_H #define HELPWINDOW_H #include <<a href="qmainwindow-h.html">ntqmainwindow.h</a>> #include <<a href="qtextbrowser-h.html">ntqtextbrowser.h</a>> #include <<a href="qstringlist-h.html">ntqstringlist.h</a>> #include <<a href="qmap-h.html">ntqmap.h</a>> #include <<a href="qdir-h.html">ntqdir.h</a>> class TQComboBox; class TQPopupMenu; class HelpWindow : public <a href="ntqmainwindow.html">TQMainWindow</a> { <a href="metaobjects.html#TQ_OBJECT">TQ_OBJECT</a> public: HelpWindow( const <a href="ntqstring.html">TQString</a>& home_, const <a href="ntqstring.html">TQString</a>& path, TQWidget* parent = 0, const char *name=0 ); ~HelpWindow(); private slots: void setBackwardAvailable( bool ); void setForwardAvailable( bool ); void sourceChanged( const <a href="ntqstring.html">TQString</a>& ); void about(); void aboutTQt(); void openFile(); void newWindow(); void print(); void pathSelected( const <a href="ntqstring.html">TQString</a> & ); void histChosen( int ); void bookmChosen( int ); void addBookmark(); private: void readHistory(); void readBookmarks(); <a href="ntqtextbrowser.html">TQTextBrowser</a>* browser; <a href="ntqcombobox.html">TQComboBox</a> *pathCombo; int backwardId, forwardId; <a href="ntqstringlist.html">TQStringList</a> history, bookmarks; <a href="ntqmap.html">TQMap</a><int, TQString> mHistory, mBookmarks; <a href="ntqpopupmenu.html">TQPopupMenu</a> *hist, *bookm; }; #endif </pre> <p> <hr> <p> Implementation: <p> <pre>/**************************************************************************** ** $Id: qt/helpwindow.cpp 3.3.8 edited Jan 11 14:37 $ ** ** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. ** ** This file is part of an example program for TQt. This example ** program may be used, distributed and modified without limitation. ** *****************************************************************************/ #include "helpwindow.h" #include <<a href="qstatusbar-h.html">ntqstatusbar.h</a>> #include <<a href="qpixmap-h.html">ntqpixmap.h</a>> #include <<a href="qpopupmenu-h.html">ntqpopupmenu.h</a>> #include <<a href="qmenubar-h.html">ntqmenubar.h</a>> #include <<a href="qtoolbar-h.html">ntqtoolbar.h</a>> #include <<a href="qtoolbutton-h.html">ntqtoolbutton.h</a>> #include <<a href="qiconset-h.html">ntqiconset.h</a>> #include <<a href="qfile-h.html">ntqfile.h</a>> #include <<a href="qtextstream-h.html">ntqtextstream.h</a>> #include <<a href="qstylesheet-h.html">ntqstylesheet.h</a>> #include <<a href="qmessagebox-h.html">ntqmessagebox.h</a>> #include <<a href="qfiledialog-h.html">ntqfiledialog.h</a>> #include <<a href="qapplication-h.html">ntqapplication.h</a>> #include <<a href="qcombobox-h.html">ntqcombobox.h</a>> #include <<a href="qevent-h.html">ntqevent.h</a>> #include <<a href="qlineedit-h.html">ntqlineedit.h</a>> #include <<a href="qobjectlist-h.html">ntqobjectlist.h</a>> #include <<a href="qfileinfo-h.html">ntqfileinfo.h</a>> #include <<a href="qfile-h.html">ntqfile.h</a>> #include <<a href="qdatastream-h.html">ntqdatastream.h</a>> #include <<a href="qprinter-h.html">ntqprinter.h</a>> #include <<a href="qsimplerichtext-h.html">ntqsimplerichtext.h</a>> #include <<a href="qpainter-h.html">ntqpainter.h</a>> #include <<a href="qpaintdevicemetrics-h.html">ntqpaintdevicemetrics.h</a>> #include <ctype.h> <a name="f350"></a>HelpWindow::HelpWindow( const <a href="ntqstring.html">TQString</a>& home_, const <a href="ntqstring.html">TQString</a>& _path, <a href="ntqwidget.html">TQWidget</a>* parent, const char *name ) : <a href="ntqmainwindow.html">TQMainWindow</a>( parent, name, WDestructiveClose ), pathCombo( 0 ) { readHistory(); readBookmarks(); browser = new <a href="ntqtextbrowser.html">TQTextBrowser</a>( this ); <a name="x1030"></a> browser-><a href="ntqtextedit.html#mimeSourceFactory">mimeSourceFactory</a>()->setFilePath( _path ); browser-><a href="ntqframe.html#setFrameStyle">setFrameStyle</a>( TQFrame::Panel | TQFrame::Sunken ); <a name="x1027"></a> <a href="ntqobject.html#connect">connect</a>( browser, SIGNAL( <a href="ntqtextbrowser.html#sourceChanged">sourceChanged</a>(const <a href="ntqstring.html">TQString</a>& ) ), this, SLOT( sourceChanged( const <a href="ntqstring.html">TQString</a>&) ) ); <a href="ntqmainwindow.html#setCentralWidget">setCentralWidget</a>( browser ); if ( !home_.<a href="ntqstring.html#isEmpty">isEmpty</a>() ) <a name="x1025"></a> browser-><a href="ntqtextbrowser.html#setSource">setSource</a>( home_ ); <a name="x1023"></a> <a href="ntqobject.html#connect">connect</a>( browser, SIGNAL( <a href="ntqtextbrowser.html#highlighted">highlighted</a>( const <a href="ntqstring.html">TQString</a>&) ), <a href="ntqmainwindow.html#statusBar">statusBar</a>(), SLOT( message( const <a href="ntqstring.html">TQString</a>&)) ); <a href="ntqwidget.html#resize">resize</a>( 640,700 ); <a href="ntqpopupmenu.html">TQPopupMenu</a>* file = new <a href="ntqpopupmenu.html">TQPopupMenu</a>( this ); file-><a href="ntqmenudata.html#insertItem">insertItem</a>( <a href="ntqobject.html#tr">tr</a>("&New Window"), this, SLOT( newWindow() ), CTRL+Key_N ); file-><a href="ntqmenudata.html#insertItem">insertItem</a>( <a href="ntqobject.html#tr">tr</a>("&Open File"), this, SLOT( openFile() ), CTRL+Key_O ); file-><a href="ntqmenudata.html#insertItem">insertItem</a>( <a href="ntqobject.html#tr">tr</a>("&Print"), this, SLOT( print() ), CTRL+Key_P ); file-><a href="ntqmenudata.html#insertSeparator">insertSeparator</a>(); file-><a href="ntqmenudata.html#insertItem">insertItem</a>( <a href="ntqobject.html#tr">tr</a>("&Close"), this, SLOT( <a href="ntqwidget.html#close">close</a>() ), CTRL+Key_Q ); <a name="x980"></a> file-><a href="ntqmenudata.html#insertItem">insertItem</a>( <a href="ntqobject.html#tr">tr</a>("E&xit"), tqApp, SLOT( <a href="ntqapplication.html#closeAllWindows">closeAllWindows</a>() ), CTRL+Key_X ); // The same three icons are used twice each. <a href="ntqiconset.html">TQIconSet</a> icon_back( TQPixmap("back.xpm") ); <a href="ntqiconset.html">TQIconSet</a> icon_forward( TQPixmap("forward.xpm") ); <a href="ntqiconset.html">TQIconSet</a> icon_home( TQPixmap("home.xpm") ); <a href="ntqpopupmenu.html">TQPopupMenu</a>* go = new <a href="ntqpopupmenu.html">TQPopupMenu</a>( this ); backwardId = go-><a href="ntqmenudata.html#insertItem">insertItem</a>( icon_back, <a name="x1019"></a> <a href="ntqobject.html#tr">tr</a>("&Backward"), browser, SLOT( <a href="ntqtextbrowser.html#backward">backward</a>() ), CTRL+Key_Left ); forwardId = go-><a href="ntqmenudata.html#insertItem">insertItem</a>( icon_forward, <a name="x1021"></a> <a href="ntqobject.html#tr">tr</a>("&Forward"), browser, SLOT( <a href="ntqtextbrowser.html#forward">forward</a>() ), CTRL+Key_Right ); <a name="x1024"></a> go-><a href="ntqmenudata.html#insertItem">insertItem</a>( icon_home, tr("&Home"), browser, SLOT( <a href="ntqtextbrowser.html#home">home</a>() ) ); <a href="ntqpopupmenu.html">TQPopupMenu</a>* help = new <a href="ntqpopupmenu.html">TQPopupMenu</a>( this ); help-><a href="ntqmenudata.html#insertItem">insertItem</a>( <a href="ntqobject.html#tr">tr</a>("&About"), this, SLOT( about() ) ); help-><a href="ntqmenudata.html#insertItem">insertItem</a>( <a href="ntqobject.html#tr">tr</a>("About &TQt"), this, SLOT( aboutTQt() ) ); hist = new <a href="ntqpopupmenu.html">TQPopupMenu</a>( this ); TQStringList::Iterator it = history.begin(); for ( ; it != history.end(); ++it ) mHistory[ hist-><a href="ntqmenudata.html#insertItem">insertItem</a>( *it ) ] = *it; <a name="x1004"></a> <a href="ntqobject.html#connect">connect</a>( hist, SIGNAL( <a href="ntqpopupmenu.html#activated">activated</a>( int ) ), this, SLOT( histChosen( int ) ) ); bookm = new <a href="ntqpopupmenu.html">TQPopupMenu</a>( this ); bookm-><a href="ntqmenudata.html#insertItem">insertItem</a>( <a href="ntqobject.html#tr">tr</a>( "Add Bookmark" ), this, SLOT( addBookmark() ) ); bookm-><a href="ntqmenudata.html#insertSeparator">insertSeparator</a>(); TQStringList::Iterator it2 = bookmarks.begin(); for ( ; it2 != bookmarks.end(); ++it2 ) mBookmarks[ bookm-><a href="ntqmenudata.html#insertItem">insertItem</a>( *it2 ) ] = *it2; <a href="ntqobject.html#connect">connect</a>( bookm, SIGNAL( <a href="ntqpopupmenu.html#activated">activated</a>( int ) ), this, SLOT( bookmChosen( int ) ) ); <a href="ntqmainwindow.html#menuBar">menuBar</a>()->insertItem( <a href="ntqobject.html#tr">tr</a>("&File"), file ); <a href="ntqmainwindow.html#menuBar">menuBar</a>()->insertItem( <a href="ntqobject.html#tr">tr</a>("&Go"), go ); <a href="ntqmainwindow.html#menuBar">menuBar</a>()->insertItem( <a href="ntqobject.html#tr">tr</a>( "History" ), hist ); <a href="ntqmainwindow.html#menuBar">menuBar</a>()->insertItem( <a href="ntqobject.html#tr">tr</a>( "Bookmarks" ), bookm ); <a href="ntqmainwindow.html#menuBar">menuBar</a>()->insertSeparator(); <a href="ntqmainwindow.html#menuBar">menuBar</a>()->insertItem( <a href="ntqobject.html#tr">tr</a>("&Help"), help ); <a href="ntqmainwindow.html#menuBar">menuBar</a>()->setItemEnabled( forwardId, FALSE); <a href="ntqmainwindow.html#menuBar">menuBar</a>()->setItemEnabled( backwardId, FALSE); <a name="x1020"></a> <a href="ntqobject.html#connect">connect</a>( browser, SIGNAL( <a href="ntqtextbrowser.html#backwardAvailable">backwardAvailable</a>( bool ) ), this, SLOT( setBackwardAvailable( bool ) ) ); <a name="x1022"></a> <a href="ntqobject.html#connect">connect</a>( browser, SIGNAL( <a href="ntqtextbrowser.html#forwardAvailable">forwardAvailable</a>( bool ) ), this, SLOT( setForwardAvailable( bool ) ) ); <a href="ntqtoolbar.html">TQToolBar</a>* toolbar = new <a href="ntqtoolbar.html">TQToolBar</a>( this ); <a href="ntqmainwindow.html#addToolBar">addToolBar</a>( toolbar, "Toolbar"); <a href="ntqtoolbutton.html">TQToolButton</a>* button; button = new <a href="ntqtoolbutton.html">TQToolButton</a>( icon_back, tr("Backward"), "", browser, SLOT(<a href="ntqtextbrowser.html#backward">backward</a>()), toolbar ); <a name="x1035"></a> <a href="ntqobject.html#connect">connect</a>( browser, SIGNAL( <a href="ntqtextbrowser.html#backwardAvailable">backwardAvailable</a>(bool) ), button, SLOT( <a href="ntqwidget.html#setEnabled">setEnabled</a>(bool) ) ); button-><a href="ntqwidget.html#setEnabled">setEnabled</a>( FALSE ); button = new <a href="ntqtoolbutton.html">TQToolButton</a>( icon_forward, tr("Forward"), "", browser, SLOT(<a href="ntqtextbrowser.html#forward">forward</a>()), toolbar ); <a href="ntqobject.html#connect">connect</a>( browser, SIGNAL( <a href="ntqtextbrowser.html#forwardAvailable">forwardAvailable</a>(bool) ), button, SLOT( <a href="ntqwidget.html#setEnabled">setEnabled</a>(bool) ) ); button-><a href="ntqwidget.html#setEnabled">setEnabled</a>( FALSE ); button = new <a href="ntqtoolbutton.html">TQToolButton</a>( icon_home, tr("Home"), "", browser, SLOT(<a href="ntqtextbrowser.html#home">home</a>()), toolbar ); <a name="x1033"></a> toolbar-><a href="ntqtoolbar.html#addSeparator">addSeparator</a>(); pathCombo = new <a href="ntqcombobox.html">TQComboBox</a>( TRUE, toolbar ); <a name="x981"></a> <a href="ntqobject.html#connect">connect</a>( pathCombo, SIGNAL( <a href="ntqcombobox.html#activated">activated</a>( const <a href="ntqstring.html">TQString</a> & ) ), this, SLOT( pathSelected( const <a href="ntqstring.html">TQString</a> & ) ) ); <a name="x1034"></a> toolbar-><a href="ntqtoolbar.html#setStretchableWidget">setStretchableWidget</a>( pathCombo ); <a href="ntqmainwindow.html#setRightJustification">setRightJustification</a>( TRUE ); <a href="ntqmainwindow.html#setDockEnabled">setDockEnabled</a>( DockLeft, FALSE ); <a href="ntqmainwindow.html#setDockEnabled">setDockEnabled</a>( DockRight, FALSE ); <a name="x983"></a> pathCombo-><a href="ntqcombobox.html#insertItem">insertItem</a>( home_ ); browser-><a href="ntqwidget.html#setFocus">setFocus</a>(); } void <a name="f351"></a>HelpWindow::setBackwardAvailable( bool b) { <a href="ntqmainwindow.html#menuBar">menuBar</a>()->setItemEnabled( backwardId, b); } void <a name="f352"></a>HelpWindow::setForwardAvailable( bool b) { <a href="ntqmainwindow.html#menuBar">menuBar</a>()->setItemEnabled( forwardId, b); } void <a name="f353"></a>HelpWindow::sourceChanged( const <a href="ntqstring.html">TQString</a>& url ) { <a name="x1029"></a> if ( browser-><a href="ntqtextedit.html#documentTitle">documentTitle</a>().isNull() ) <a href="ntqwidget.html#setCaption">setCaption</a>( "TQt Example - Helpviewer - " + url ); else <a href="ntqwidget.html#setCaption">setCaption</a>( "TQt Example - Helpviewer - " + browser-><a href="ntqtextedit.html#documentTitle">documentTitle</a>() ) ; if ( !url.<a href="ntqstring.html#isEmpty">isEmpty</a>() && pathCombo ) { bool exists = FALSE; int i; <a name="x982"></a> for ( i = 0; i < pathCombo-><a href="ntqcombobox.html#count">count</a>(); ++i ) { <a name="x985"></a> if ( pathCombo-><a href="ntqcombobox.html#text">text</a>( i ) == url ) { exists = TRUE; break; } } if ( !exists ) { pathCombo-><a href="ntqcombobox.html#insertItem">insertItem</a>( url, 0 ); <a name="x984"></a> pathCombo-><a href="ntqcombobox.html#setCurrentItem">setCurrentItem</a>( 0 ); mHistory[ hist-><a href="ntqmenudata.html#insertItem">insertItem</a>( url ) ] = url; } else pathCombo-><a href="ntqcombobox.html#setCurrentItem">setCurrentItem</a>( i ); } } HelpWindow::~HelpWindow() { history = mHistory.values(); <a name="x986"></a> <a href="ntqfile.html">TQFile</a> f( TQDir::<a href="ntqdir.html#currentDirPath">currentDirPath</a>() + "/.history" ); <a name="x989"></a> f.<a href="ntqfile.html#open">open</a>( <a href="ntqfile.html#open">IO_WriteOnly</a> ); <a href="ntqdatastream.html">TQDataStream</a> s( &f ); s << history; <a name="x987"></a> f.<a href="ntqfile.html#close">close</a>(); bookmarks = mBookmarks.values(); <a href="ntqfile.html">TQFile</a> f2( TQDir::<a href="ntqdir.html#currentDirPath">currentDirPath</a>() + "/.bookmarks" ); f2.<a href="ntqfile.html#open">open</a>( IO_WriteOnly ); <a href="ntqdatastream.html">TQDataStream</a> s2( &f2 ); s2 << bookmarks; f2.<a href="ntqfile.html#close">close</a>(); } void <a name="f354"></a>HelpWindow::about() { <a name="x994"></a> TQMessageBox::<a href="ntqmessagebox.html#about">about</a>( this, "HelpViewer Example", "<p>This example implements a simple HTML help viewer " "using TQt's rich text capabilities</p>" "<p>It's just about 400 lines of C++ code, so don't expect too much :-)</p>" ); } void <a name="f355"></a>HelpWindow::aboutTQt() { <a name="x995"></a> TQMessageBox::<a href="ntqmessagebox.html#aboutTQt">aboutTQt</a>( this, "TQBrowser" ); } void <a name="f356"></a>HelpWindow::openFile() { #ifndef QT_NO_FILEDIALOG <a href="ntqstring.html">TQString</a> fn = TQFileDialog::<a href="ntqfiledialog.html#getOpenFileName">getOpenFileName</a>( <a href="ntqstring.html#TQString-null">TQString::null</a>, TQString::null, this ); if ( !fn.<a href="ntqstring.html#isEmpty">isEmpty</a>() ) browser-><a href="ntqtextbrowser.html#setSource">setSource</a>( fn ); #endif } void <a name="f357"></a>HelpWindow::newWindow() { <a name="x1026"></a> ( new HelpWindow(browser-><a href="ntqtextbrowser.html#source">source</a>(), "qbrowser") )->show(); } void <a name="f358"></a>HelpWindow::print() { #ifndef QT_NO_PRINTER <a href="ntqprinter.html">TQPrinter</a> printer( TQPrinter::HighResolution ); <a name="x1006"></a> printer.<a href="ntqprinter.html#setFullPage">setFullPage</a>(TRUE); <a name="x1007"></a> if ( printer.<a href="ntqprinter.html#setup">setup</a>( this ) ) { <a href="ntqpainter.html">TQPainter</a> p( &printer ); <a name="x1002"></a> if( !p.<a href="ntqpainter.html#isActive">isActive</a>() ) // starting printing failed return; <a name="x999"></a> <a href="ntqpaintdevicemetrics.html">TQPaintDeviceMetrics</a> metrics(p.<a href="ntqpainter.html#device">device</a>()); <a name="x997"></a> int dpiy = metrics.<a href="ntqpaintdevicemetrics.html#logicalDpiY">logicalDpiY</a>(); int margin = (int) ( (2/2.54)*dpiy ); // 2 cm margins <a name="x998"></a><a name="x996"></a> <a href="ntqrect.html">TQRect</a> view( margin, margin, metrics.<a href="ntqpaintdevicemetrics.html#width">width</a>() - 2*margin, metrics.<a href="ntqpaintdevicemetrics.html#height">height</a>() - 2*margin ); <a name="x1032"></a> <a href="ntqsimplerichtext.html">TQSimpleRichText</a> richText( browser-><a href="ntqtextedit.html#text">text</a>(), TQFont(), <a name="x1028"></a> browser-><a href="ntqtextedit.html#context">context</a>(), <a name="x1031"></a> browser-><a href="ntqtextedit.html#styleSheet">styleSheet</a>(), browser-><a href="ntqtextedit.html#mimeSourceFactory">mimeSourceFactory</a>(), view.<a href="ntqrect.html#height">height</a>() ); <a name="x1016"></a> richText.<a href="ntqsimplerichtext.html#setWidth">setWidth</a>( &p, view.<a href="ntqrect.html#width">width</a>() ); int page = 1; do { <a name="x1014"></a> richText.<a href="ntqsimplerichtext.html#draw">draw</a>( &p, margin, margin, view, colorGroup() ); <a name="x1010"></a> view.<a href="ntqrect.html#moveBy">moveBy</a>( 0, view.<a href="ntqrect.html#height">height</a>() ); p.<a href="ntqpainter.html#translate">translate</a>( 0 , -view.<a href="ntqrect.html#height">height</a>() ); <a name="x1018"></a><a name="x1001"></a> p.<a href="ntqpainter.html#drawText">drawText</a>( view.<a href="ntqrect.html#right">right</a>() - p.<a href="ntqpainter.html#fontMetrics">fontMetrics</a>().width( TQString::<a href="ntqstring.html#number">number</a>(page) ), <a name="x1008"></a> view.<a href="ntqrect.html#bottom">bottom</a>() + p.<a href="ntqpainter.html#fontMetrics">fontMetrics</a>().ascent() + 5, TQString::number(page) ); <a name="x1015"></a> if ( view.<a href="ntqrect.html#top">top</a>() - margin >= richText.<a href="ntqsimplerichtext.html#height">height</a>() ) break; <a name="x1005"></a> printer.<a href="ntqprinter.html#newPage">newPage</a>(); page++; } while (TRUE); } #endif } void <a name="f359"></a>HelpWindow::pathSelected( const <a href="ntqstring.html">TQString</a> &_path ) { browser-><a href="ntqtextbrowser.html#setSource">setSource</a>( _path ); if ( mHistory.values().contains(_path) ) mHistory[ hist-><a href="ntqmenudata.html#insertItem">insertItem</a>( _path ) ] = _path; } void <a name="f360"></a>HelpWindow::readHistory() { <a name="x988"></a> if ( TQFile::<a href="ntqfile.html#exists">exists</a>( TQDir::<a href="ntqdir.html#currentDirPath">currentDirPath</a>() + "/.history" ) ) { <a href="ntqfile.html">TQFile</a> f( TQDir::<a href="ntqdir.html#currentDirPath">currentDirPath</a>() + "/.history" ); f.<a href="ntqfile.html#open">open</a>( <a href="ntqfile.html#open">IO_ReadOnly</a> ); <a href="ntqdatastream.html">TQDataStream</a> s( &f ); s >> history; f.<a href="ntqfile.html#close">close</a>(); while ( history.count() > 20 ) history.remove( history.begin() ); } } void <a name="f361"></a>HelpWindow::readBookmarks() { if ( TQFile::<a href="ntqfile.html#exists">exists</a>( TQDir::<a href="ntqdir.html#currentDirPath">currentDirPath</a>() + "/.bookmarks" ) ) { <a href="ntqfile.html">TQFile</a> f( TQDir::<a href="ntqdir.html#currentDirPath">currentDirPath</a>() + "/.bookmarks" ); f.<a href="ntqfile.html#open">open</a>( IO_ReadOnly ); <a href="ntqdatastream.html">TQDataStream</a> s( &f ); s >> bookmarks; f.<a href="ntqfile.html#close">close</a>(); } } void <a name="f362"></a>HelpWindow::histChosen( int i ) { if ( mHistory.contains( i ) ) browser-><a href="ntqtextbrowser.html#setSource">setSource</a>( mHistory[ i ] ); } void <a name="f363"></a>HelpWindow::bookmChosen( int i ) { if ( mBookmarks.contains( i ) ) browser-><a href="ntqtextbrowser.html#setSource">setSource</a>( mBookmarks[ i ] ); } void <a name="f364"></a>HelpWindow::addBookmark() { mBookmarks[ bookm-><a href="ntqmenudata.html#insertItem">insertItem</a>( <a href="ntqwidget.html#caption">caption</a>() ) ] = browser-><a href="ntqtextedit.html#context">context</a>(); } </pre> <p> <hr> <p> Main: <p> <pre>/**************************************************************************** ** $Id: qt/main.cpp 3.3.8 edited Jan 11 14:37 $ ** ** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. ** ** This file is part of an example program for TQt. This example ** program may be used, distributed and modified without limitation. ** *****************************************************************************/ #include "helpwindow.h" #include <<a href="qapplication-h.html">ntqapplication.h</a>> #include <<a href="qdir-h.html">ntqdir.h</a>> #include <stdlib.h> int main( int argc, char ** argv ) { <a name="x1041"></a> TQApplication::<a href="ntqapplication.html#setColorSpec">setColorSpec</a>( TQApplication::ManyColor ); <a href="ntqapplication.html">TQApplication</a> a(argc, argv); <a href="ntqstring.html">TQString</a> home; if (argc > 1) { home = argv[1]; } else { // Use a hard coded path. It is only an example. home = TQDir( "../../doc/html/index.html" ).absPath(); } HelpWindow *help = new HelpWindow(home, ".", 0, "help viewer"); help-><a href="ntqwidget.html#setCaption">setCaption</a>("TQt Example - Helpviewer"); <a name="x1037"></a> if ( TQApplication::<a href="ntqapplication.html#desktop">desktop</a>()->width() > 400 && TQApplication::<a href="ntqapplication.html#desktop">desktop</a>()->height() > 500 ) help-><a href="ntqwidget.html#show">show</a>(); else <a name="x1045"></a> help-><a href="ntqwidget.html#showMaximized">showMaximized</a>(); <a name="x1039"></a> TQObject::<a href="ntqobject.html#connect">connect</a>( &a, SIGNAL(<a href="ntqapplication.html#lastWindowClosed">lastWindowClosed</a>()), &a, SLOT(<a href="ntqapplication.html#quit">quit</a>()) ); return a.<a href="ntqapplication.html#exec">exec</a>(); } </pre> <p>See also <a href="examples.html">Examples</a>. <!-- eof --> <p><address><hr><div align=center> <table width=100% cellspacing=0 border=0><tr> <td>Copyright © 2007 <a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> <td align=right><div align=right>TQt 3.3.8</div> </table></div></address></body> </html>