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< font color = "#004faf" > All Classes< / font > < / a >
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< 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 = "tqmainwindow-h.html" > tqmainwindow.h< / a > >
#include < < a href = "tqtextbrowser-h.html" > tqtextbrowser.h< / a > >
#include < < a href = "tqstringlist-h.html" > tqstringlist.h< / a > >
#include < < a href = "tqmap-h.html" > tqmap.h< / a > >
#include < < a href = "tqdir-h.html" > tqdir.h< / a > >
class TQComboBox;
class TQPopupMenu;
class HelpWindow : public < a href = "tqmainwindow.html" > TQMainWindow< / a >
{
< a href = "metaobjects.html#TQ_OBJECT" > TQ_OBJECT< / a >
public:
HelpWindow( const < a href = "tqstring.html" > TQString< / a > & home_, const < a href = "tqstring.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 = "tqstring.html" > TQString< / a > & );
void about();
void aboutTQt();
void openFile();
void newWindow();
void print();
void pathSelected( const < a href = "tqstring.html" > TQString< / a > & );
void histChosen( int );
void bookmChosen( int );
void addBookmark();
private:
void readHistory();
void readBookmarks();
< a href = "tqtextbrowser.html" > TQTextBrowser< / a > * browser;
< a href = "ntqcombobox.html" > TQComboBox< / a > *pathCombo;
int backwardId, forwardId;
< a href = "tqstringlist.html" > TQStringList< / a > history, bookmarks;
< a href = "tqmap.html" > TQMap< / a > < int, TQString> mHistory, mBookmarks;
< a href = "tqpopupmenu.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 = "tqstatusbar-h.html" > tqstatusbar.h< / a > >
#include < < a href = "tqpixmap-h.html" > tqpixmap.h< / a > >
#include < < a href = "tqpopupmenu-h.html" > tqpopupmenu.h< / a > >
#include < < a href = "tqmenubar-h.html" > tqmenubar.h< / a > >
#include < < a href = "tqtoolbar-h.html" > tqtoolbar.h< / a > >
#include < < a href = "tqtoolbutton-h.html" > tqtoolbutton.h< / a > >
#include < < a href = "tqiconset-h.html" > tqiconset.h< / a > >
#include < < a href = "tqfile-h.html" > tqfile.h< / a > >
#include < < a href = "tqtextstream-h.html" > tqtextstream.h< / a > >
#include < < a href = "tqstylesheet-h.html" > tqstylesheet.h< / a > >
#include < < a href = "qmessagebox-h.html" > ntqmessagebox.h< / a > >
#include < < a href = "tqfiledialog-h.html" > tqfiledialog.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 = "tqobjectlist-h.html" > tqobjectlist.h< / a > >
#include < < a href = "tqfileinfo-h.html" > tqfileinfo.h< / a > >
#include < < a href = "tqfile-h.html" > tqfile.h< / a > >
#include < < a href = "tqdatastream-h.html" > tqdatastream.h< / a > >
#include < < a href = "tqprinter-h.html" > tqprinter.h< / a > >
#include < < a href = "tqsimplerichtext-h.html" > tqsimplerichtext.h< / a > >
#include < < a href = "tqpainter-h.html" > tqpainter.h< / a > >
#include < < a href = "tqpaintdevicemetrics-h.html" > tqpaintdevicemetrics.h< / a > >
#include < ctype.h>
< a name = "f350" > < / a > HelpWindow::HelpWindow( const < a href = "tqstring.html" > TQString< / a > & home_, const < a href = "tqstring.html" > TQString< / a > & _path,
< a href = "tqwidget.html" > TQWidget< / a > * parent, const char *name )
: < a href = "tqmainwindow.html" > TQMainWindow< / a > ( parent, name, WDestructiveClose ),
pathCombo( 0 )
{
readHistory();
readBookmarks();
browser = new < a href = "tqtextbrowser.html" > TQTextBrowser< / a > ( this );
< a name = "x1030" > < / a > browser-> < a href = "tqtextedit.html#mimeSourceFactory" > mimeSourceFactory< / a > ()-> setFilePath( _path );
browser-> < a href = "ntqframe.html#setFrameStyle" > setFrameStyle< / a > ( TQFrame::Panel | TQFrame::Sunken );
< a name = "x1027" > < / a > < a href = "tqobject.html#connect" > connect< / a > ( browser, TQ_SIGNAL( < a href = "tqtextbrowser.html#sourceChanged" > sourceChanged< / a > (const < a href = "tqstring.html" > TQString< / a > & ) ),
this, TQ_SLOT( sourceChanged( const < a href = "tqstring.html" > TQString< / a > & ) ) );
< a href = "tqmainwindow.html#setCentralWidget" > setCentralWidget< / a > ( browser );
if ( !home_.< a href = "tqstring.html#isEmpty" > isEmpty< / a > () )
< a name = "x1025" > < / a > browser-> < a href = "tqtextbrowser.html#setSource" > setSource< / a > ( home_ );
< a name = "x1023" > < / a > < a href = "tqobject.html#connect" > connect< / a > ( browser, TQ_SIGNAL( < a href = "tqtextbrowser.html#highlighted" > highlighted< / a > ( const < a href = "tqstring.html" > TQString< / a > & ) ),
< a href = "tqmainwindow.html#statusBar" > statusBar< / a > (), TQ_SLOT( message( const < a href = "tqstring.html" > TQString< / a > & )) );
< a href = "tqwidget.html#resize" > resize< / a > ( 640,700 );
< a href = "tqpopupmenu.html" > TQPopupMenu< / a > * file = new < a href = "tqpopupmenu.html" > TQPopupMenu< / a > ( this );
file-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( < a href = "tqobject.html#tr" > tr< / a > ("& New Window"), this, TQ_SLOT( newWindow() ), CTRL+Key_N );
file-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( < a href = "tqobject.html#tr" > tr< / a > ("& Open File"), this, TQ_SLOT( openFile() ), CTRL+Key_O );
file-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( < a href = "tqobject.html#tr" > tr< / a > ("& Print"), this, TQ_SLOT( print() ), CTRL+Key_P );
file-> < a href = "tqmenudata.html#insertSeparator" > insertSeparator< / a > ();
file-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( < a href = "tqobject.html#tr" > tr< / a > ("& Close"), this, TQ_SLOT( < a href = "tqwidget.html#close" > close< / a > () ), CTRL+Key_Q );
< a name = "x980" > < / a > file-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( < a href = "tqobject.html#tr" > tr< / a > ("E& xit"), tqApp, TQ_SLOT( < a href = "ntqapplication.html#closeAllWindows" > closeAllWindows< / a > () ), CTRL+Key_X );
// The same three icons are used twice each.
< a href = "tqiconset.html" > TQIconSet< / a > icon_back( TQPixmap("back.xpm") );
< a href = "tqiconset.html" > TQIconSet< / a > icon_forward( TQPixmap("forward.xpm") );
< a href = "tqiconset.html" > TQIconSet< / a > icon_home( TQPixmap("home.xpm") );
< a href = "tqpopupmenu.html" > TQPopupMenu< / a > * go = new < a href = "tqpopupmenu.html" > TQPopupMenu< / a > ( this );
backwardId = go-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( icon_back,
< a name = "x1019" > < / a > < a href = "tqobject.html#tr" > tr< / a > ("& Backward"), browser, TQ_SLOT( < a href = "tqtextbrowser.html#backward" > backward< / a > () ),
CTRL+Key_Left );
forwardId = go-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( icon_forward,
< a name = "x1021" > < / a > < a href = "tqobject.html#tr" > tr< / a > ("& Forward"), browser, TQ_SLOT( < a href = "tqtextbrowser.html#forward" > forward< / a > () ),
CTRL+Key_Right );
< a name = "x1024" > < / a > go-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( icon_home, tr("& Home"), browser, TQ_SLOT( < a href = "tqtextbrowser.html#home" > home< / a > () ) );
< a href = "tqpopupmenu.html" > TQPopupMenu< / a > * help = new < a href = "tqpopupmenu.html" > TQPopupMenu< / a > ( this );
help-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( < a href = "tqobject.html#tr" > tr< / a > ("& About"), this, TQ_SLOT( about() ) );
help-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( < a href = "tqobject.html#tr" > tr< / a > ("About & TQt"), this, TQ_SLOT( aboutTQt() ) );
hist = new < a href = "tqpopupmenu.html" > TQPopupMenu< / a > ( this );
TQStringList::Iterator it = history.begin();
for ( ; it != history.end(); ++it )
mHistory[ hist-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( *it ) ] = *it;
< a name = "x1004" > < / a > < a href = "tqobject.html#connect" > connect< / a > ( hist, TQ_SIGNAL( < a href = "tqpopupmenu.html#activated" > activated< / a > ( int ) ),
this, TQ_SLOT( histChosen( int ) ) );
bookm = new < a href = "tqpopupmenu.html" > TQPopupMenu< / a > ( this );
bookm-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( < a href = "tqobject.html#tr" > tr< / a > ( "Add Bookmark" ), this, TQ_SLOT( addBookmark() ) );
bookm-> < a href = "tqmenudata.html#insertSeparator" > insertSeparator< / a > ();
TQStringList::Iterator it2 = bookmarks.begin();
for ( ; it2 != bookmarks.end(); ++it2 )
mBookmarks[ bookm-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( *it2 ) ] = *it2;
< a href = "tqobject.html#connect" > connect< / a > ( bookm, TQ_SIGNAL( < a href = "tqpopupmenu.html#activated" > activated< / a > ( int ) ),
this, TQ_SLOT( bookmChosen( int ) ) );
< a href = "tqmainwindow.html#menuBar" > menuBar< / a > ()-> insertItem( < a href = "tqobject.html#tr" > tr< / a > ("& File"), file );
< a href = "tqmainwindow.html#menuBar" > menuBar< / a > ()-> insertItem( < a href = "tqobject.html#tr" > tr< / a > ("& Go"), go );
< a href = "tqmainwindow.html#menuBar" > menuBar< / a > ()-> insertItem( < a href = "tqobject.html#tr" > tr< / a > ( "History" ), hist );
< a href = "tqmainwindow.html#menuBar" > menuBar< / a > ()-> insertItem( < a href = "tqobject.html#tr" > tr< / a > ( "Bookmarks" ), bookm );
< a href = "tqmainwindow.html#menuBar" > menuBar< / a > ()-> insertSeparator();
< a href = "tqmainwindow.html#menuBar" > menuBar< / a > ()-> insertItem( < a href = "tqobject.html#tr" > tr< / a > ("& Help"), help );
< a href = "tqmainwindow.html#menuBar" > menuBar< / a > ()-> setItemEnabled( forwardId, FALSE);
< a href = "tqmainwindow.html#menuBar" > menuBar< / a > ()-> setItemEnabled( backwardId, FALSE);
< a name = "x1020" > < / a > < a href = "tqobject.html#connect" > connect< / a > ( browser, TQ_SIGNAL( < a href = "tqtextbrowser.html#backwardAvailable" > backwardAvailable< / a > ( bool ) ),
this, TQ_SLOT( setBackwardAvailable( bool ) ) );
< a name = "x1022" > < / a > < a href = "tqobject.html#connect" > connect< / a > ( browser, TQ_SIGNAL( < a href = "tqtextbrowser.html#forwardAvailable" > forwardAvailable< / a > ( bool ) ),
this, TQ_SLOT( setForwardAvailable( bool ) ) );
< a href = "tqtoolbar.html" > TQToolBar< / a > * toolbar = new < a href = "tqtoolbar.html" > TQToolBar< / a > ( this );
< a href = "tqmainwindow.html#addToolBar" > addToolBar< / a > ( toolbar, "Toolbar");
< a href = "tqtoolbutton.html" > TQToolButton< / a > * button;
button = new < a href = "tqtoolbutton.html" > TQToolButton< / a > ( icon_back, tr("Backward"), "", browser, TQ_SLOT(< a href = "tqtextbrowser.html#backward" > backward< / a > ()), toolbar );
< a name = "x1035" > < / a > < a href = "tqobject.html#connect" > connect< / a > ( browser, TQ_SIGNAL( < a href = "tqtextbrowser.html#backwardAvailable" > backwardAvailable< / a > (bool) ), button, TQ_SLOT( < a href = "tqwidget.html#setEnabled" > setEnabled< / a > (bool) ) );
button-> < a href = "tqwidget.html#setEnabled" > setEnabled< / a > ( FALSE );
button = new < a href = "tqtoolbutton.html" > TQToolButton< / a > ( icon_forward, tr("Forward"), "", browser, TQ_SLOT(< a href = "tqtextbrowser.html#forward" > forward< / a > ()), toolbar );
< a href = "tqobject.html#connect" > connect< / a > ( browser, TQ_SIGNAL( < a href = "tqtextbrowser.html#forwardAvailable" > forwardAvailable< / a > (bool) ), button, TQ_SLOT( < a href = "tqwidget.html#setEnabled" > setEnabled< / a > (bool) ) );
button-> < a href = "tqwidget.html#setEnabled" > setEnabled< / a > ( FALSE );
button = new < a href = "tqtoolbutton.html" > TQToolButton< / a > ( icon_home, tr("Home"), "", browser, TQ_SLOT(< a href = "tqtextbrowser.html#home" > home< / a > ()), toolbar );
< a name = "x1033" > < / a > toolbar-> < a href = "tqtoolbar.html#addSeparator" > addSeparator< / a > ();
pathCombo = new < a href = "ntqcombobox.html" > TQComboBox< / a > ( TRUE, toolbar );
< a name = "x981" > < / a > < a href = "tqobject.html#connect" > connect< / a > ( pathCombo, TQ_SIGNAL( < a href = "ntqcombobox.html#activated" > activated< / a > ( const < a href = "tqstring.html" > TQString< / a > & ) ),
this, TQ_SLOT( pathSelected( const < a href = "tqstring.html" > TQString< / a > & ) ) );
< a name = "x1034" > < / a > toolbar-> < a href = "tqtoolbar.html#setStretchableWidget" > setStretchableWidget< / a > ( pathCombo );
< a href = "tqmainwindow.html#setRightJustification" > setRightJustification< / a > ( TRUE );
< a href = "tqmainwindow.html#setDockEnabled" > setDockEnabled< / a > ( DockLeft, FALSE );
< a href = "tqmainwindow.html#setDockEnabled" > setDockEnabled< / a > ( DockRight, FALSE );
< a name = "x983" > < / a > pathCombo-> < a href = "ntqcombobox.html#insertItem" > insertItem< / a > ( home_ );
browser-> < a href = "tqwidget.html#setFocus" > setFocus< / a > ();
}
void < a name = "f351" > < / a > HelpWindow::setBackwardAvailable( bool b)
{
< a href = "tqmainwindow.html#menuBar" > menuBar< / a > ()-> setItemEnabled( backwardId, b);
}
void < a name = "f352" > < / a > HelpWindow::setForwardAvailable( bool b)
{
< a href = "tqmainwindow.html#menuBar" > menuBar< / a > ()-> setItemEnabled( forwardId, b);
}
void < a name = "f353" > < / a > HelpWindow::sourceChanged( const < a href = "tqstring.html" > TQString< / a > & url )
{
< a name = "x1029" > < / a > if ( browser-> < a href = "tqtextedit.html#documentTitle" > documentTitle< / a > ().isNull() )
< a href = "tqwidget.html#setCaption" > setCaption< / a > ( "TQt Example - Helpviewer - " + url );
else
< a href = "tqwidget.html#setCaption" > setCaption< / a > ( "TQt Example - Helpviewer - " + browser-> < a href = "tqtextedit.html#documentTitle" > documentTitle< / a > () ) ;
if ( !url.< a href = "tqstring.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 = "tqmenudata.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 = "tqfile.html" > TQFile< / a > f( TQDir::< a href = "tqdir.html#currentDirPath" > currentDirPath< / a > () + "/.history" );
< a name = "x989" > < / a > f.< a href = "tqfile.html#open" > open< / a > ( < a href = "tqfile.html#open" > IO_WriteOnly< / a > );
< a href = "tqdatastream.html" > TQDataStream< / a > s( & f );
s < < history;
< a name = "x987" > < / a > f.< a href = "tqfile.html#close" > close< / a > ();
bookmarks = mBookmarks.values();
< a href = "tqfile.html" > TQFile< / a > f2( TQDir::< a href = "tqdir.html#currentDirPath" > currentDirPath< / a > () + "/.bookmarks" );
f2.< a href = "tqfile.html#open" > open< / a > ( IO_WriteOnly );
< a href = "tqdatastream.html" > TQDataStream< / a > s2( & f2 );
s2 < < bookmarks;
f2.< a href = "tqfile.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 TQT_NO_FILEDIALOG
< a href = "tqstring.html" > TQString< / a > fn = TQFileDialog::< a href = "tqfiledialog.html#getOpenFileName" > getOpenFileName< / a > ( < a href = "tqstring.html#TQString-null" > TQString::null< / a > , TQString::null, this );
if ( !fn.< a href = "tqstring.html#isEmpty" > isEmpty< / a > () )
browser-> < a href = "tqtextbrowser.html#setSource" > setSource< / a > ( fn );
#endif
}
void < a name = "f357" > < / a > HelpWindow::newWindow()
{
< a name = "x1026" > < / a > ( new HelpWindow(browser-> < a href = "tqtextbrowser.html#source" > source< / a > (), "qbrowser") )-> show();
}
void < a name = "f358" > < / a > HelpWindow::print()
{
#ifndef TQT_NO_PRINTER
< a href = "tqprinter.html" > TQPrinter< / a > printer( TQPrinter::HighResolution );
< a name = "x1006" > < / a > printer.< a href = "tqprinter.html#setFullPage" > setFullPage< / a > (TRUE);
< a name = "x1007" > < / a > if ( printer.< a href = "tqprinter.html#setup" > setup< / a > ( this ) ) {
< a href = "tqpainter.html" > TQPainter< / a > p( & printer );
< a name = "x1002" > < / a > if( !p.< a href = "tqpainter.html#isActive" > isActive< / a > () ) // starting printing failed
return;
< a name = "x999" > < / a > < a href = "tqpaintdevicemetrics.html" > TQPaintDeviceMetrics< / a > metrics(p.< a href = "tqpainter.html#device" > device< / a > ());
< a name = "x997" > < / a > int dpiy = metrics.< a href = "tqpaintdevicemetrics.html#logicalDpiY" > logicalDpiY< / a > ();
int margin = (int) ( (2/2.54)*dpiy ); // 2 cm margins
< a name = "x998" > < / a > < a name = "x996" > < / a > < a href = "tqrect.html" > TQRect< / a > view( margin, margin, metrics.< a href = "tqpaintdevicemetrics.html#width" > width< / a > () - 2*margin, metrics.< a href = "tqpaintdevicemetrics.html#height" > height< / a > () - 2*margin );
< a name = "x1032" > < / a > < a href = "tqsimplerichtext.html" > TQSimpleRichText< / a > richText( browser-> < a href = "tqtextedit.html#text" > text< / a > (),
TQFont(),
< a name = "x1028" > < / a > browser-> < a href = "tqtextedit.html#context" > context< / a > (),
< a name = "x1031" > < / a > browser-> < a href = "tqtextedit.html#styleSheet" > styleSheet< / a > (),
browser-> < a href = "tqtextedit.html#mimeSourceFactory" > mimeSourceFactory< / a > (),
view.< a href = "tqrect.html#height" > height< / a > () );
< a name = "x1016" > < / a > richText.< a href = "tqsimplerichtext.html#setWidth" > setWidth< / a > ( & p, view.< a href = "tqrect.html#width" > width< / a > () );
int page = 1;
do {
< a name = "x1014" > < / a > richText.< a href = "tqsimplerichtext.html#draw" > draw< / a > ( & p, margin, margin, view, colorGroup() );
< a name = "x1010" > < / a > view.< a href = "tqrect.html#moveBy" > moveBy< / a > ( 0, view.< a href = "tqrect.html#height" > height< / a > () );
p.< a href = "tqpainter.html#translate" > translate< / a > ( 0 , -view.< a href = "tqrect.html#height" > height< / a > () );
< a name = "x1018" > < / a > < a name = "x1001" > < / a > p.< a href = "tqpainter.html#drawText" > drawText< / a > ( view.< a href = "tqrect.html#right" > right< / a > () - p.< a href = "tqpainter.html#fontMetrics" > fontMetrics< / a > ().width( TQString::< a href = "tqstring.html#number" > number< / a > (page) ),
< a name = "x1008" > < / a > view.< a href = "tqrect.html#bottom" > bottom< / a > () + p.< a href = "tqpainter.html#fontMetrics" > fontMetrics< / a > ().ascent() + 5, TQString::number(page) );
< a name = "x1015" > < / a > if ( view.< a href = "tqrect.html#top" > top< / a > () - margin > = richText.< a href = "tqsimplerichtext.html#height" > height< / a > () )
break;
< a name = "x1005" > < / a > printer.< a href = "tqprinter.html#newPage" > newPage< / a > ();
page++;
} while (TRUE);
}
#endif
}
void < a name = "f359" > < / a > HelpWindow::pathSelected( const < a href = "tqstring.html" > TQString< / a > & _path )
{
browser-> < a href = "tqtextbrowser.html#setSource" > setSource< / a > ( _path );
if ( mHistory.values().contains(_path) )
mHistory[ hist-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( _path ) ] = _path;
}
void < a name = "f360" > < / a > HelpWindow::readHistory()
{
< a name = "x988" > < / a > if ( TQFile::< a href = "tqfile.html#exists" > exists< / a > ( TQDir::< a href = "tqdir.html#currentDirPath" > currentDirPath< / a > () + "/.history" ) ) {
< a href = "tqfile.html" > TQFile< / a > f( TQDir::< a href = "tqdir.html#currentDirPath" > currentDirPath< / a > () + "/.history" );
f.< a href = "tqfile.html#open" > open< / a > ( < a href = "tqfile.html#open" > IO_ReadOnly< / a > );
< a href = "tqdatastream.html" > TQDataStream< / a > s( & f );
s > > history;
f.< a href = "tqfile.html#close" > close< / a > ();
while ( history.count() > 20 )
history.remove( history.begin() );
}
}
void < a name = "f361" > < / a > HelpWindow::readBookmarks()
{
if ( TQFile::< a href = "tqfile.html#exists" > exists< / a > ( TQDir::< a href = "tqdir.html#currentDirPath" > currentDirPath< / a > () + "/.bookmarks" ) ) {
< a href = "tqfile.html" > TQFile< / a > f( TQDir::< a href = "tqdir.html#currentDirPath" > currentDirPath< / a > () + "/.bookmarks" );
f.< a href = "tqfile.html#open" > open< / a > ( IO_ReadOnly );
< a href = "tqdatastream.html" > TQDataStream< / a > s( & f );
s > > bookmarks;
f.< a href = "tqfile.html#close" > close< / a > ();
}
}
void < a name = "f362" > < / a > HelpWindow::histChosen( int i )
{
if ( mHistory.contains( i ) )
browser-> < a href = "tqtextbrowser.html#setSource" > setSource< / a > ( mHistory[ i ] );
}
void < a name = "f363" > < / a > HelpWindow::bookmChosen( int i )
{
if ( mBookmarks.contains( i ) )
browser-> < a href = "tqtextbrowser.html#setSource" > setSource< / a > ( mBookmarks[ i ] );
}
void < a name = "f364" > < / a > HelpWindow::addBookmark()
{
mBookmarks[ bookm-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( < a href = "tqwidget.html#caption" > caption< / a > () ) ] = browser-> < a href = "tqtextedit.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 = "tqdir-h.html" > tqdir.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 = "tqstring.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 = "tqwidget.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 = "tqwidget.html#show" > show< / a > ();
else
< a name = "x1045" > < / a > help-> < a href = "tqwidget.html#showMaximized" > showMaximized< / a > ();
< a name = "x1039" > < / a > TQObject::< a href = "tqobject.html#connect" > connect< / a > ( & a, TQ_SIGNAL(< a href = "ntqapplication.html#lastWindowClosed" > lastWindowClosed< / a > ()),
& a, TQ_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 > .
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< 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 >
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