/****************************************************************************
** $Id: helpwindow.h,v 1.3 1999/06/17 22:02:28 ettrich Exp $
**
** Copyright (C) 1992-1999 Troll Tech 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.
**
*****************************************************************************/
#ifndef HELPWINDOW_H
#define HELPWINDOW_H
#include <qtextbrowser.h>
#include <qmainwindow.h>
class HelpWindow : public QMainWindow
{
Q_OBJECT
public:
HelpWindow( const QString& home_, const QString& path, QWidget* parent = 0, const char *name=0 );
~HelpWindow();
void setupSlideshow( const QString& file);
private slots:
void setBackwardAvailable( bool );
void setForwardAvailable( bool );
void textChanged();
void about();
void aboutQt();
void openFile();
void newWindow();
private:
QTextBrowser* browser;
int backwardId, forwardId;
};
#endif
/****************************************************************************
** $Id: helpwindow.cpp,v 1.9 1999/06/18 01:12:08 ettrich Exp $
**
** Copyright (C) 1992-1999 Troll Tech 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 "helpwindow.h"
#include <qstatusbar.h>
#include <qpixmap.h>
#include <qpopupmenu.h>
#include <qmenubar.h>
#include <qtoolbar.h>
#include <qtoolbutton.h>
#include <qiconset.h>
#include <qfile.h>
#include <qtextstream.h>
#include <qstylesheet.h>
#include <qmessagebox.h>
#include <qfiledialog.h>
#include <qapplication.h>
HelpWindow::HelpWindow( const QString& home_, const QString& path, QWidget* parent, const char *name )
: QMainWindow( parent, name, WDestructiveClose )
{
browser = new QTextBrowser( this );
browser->mimeSourceFactory()->setFilePath( path );
browser->setFrameStyle( QFrame::Panel | QFrame::Sunken );
connect( browser, SIGNAL( textChanged() ),
this, SLOT( textChanged() ) );
setCentralWidget( browser );
if ( !home_.isEmpty() )
browser->setSource( home_ );
connect( browser, SIGNAL( highlighted( const QString&) ),
statusBar(), SLOT( message( const QString&)) );
resize( 640,700 );
QPopupMenu* file = new QPopupMenu( this );
file->insertItem( tr("&New Window"), this, SLOT( newWindow() ), ALT | Key_N );
file->insertItem( tr("&Open File"), this, SLOT( openFile() ), ALT | Key_O );
file->insertSeparator();
file->insertItem( tr("&Close"), this, SLOT( close() ), ALT | Key_Q );
file->insertItem( tr("E&xit"), qApp, SLOT( closeAllWindows() ), ALT | Key_X );
QPopupMenu* go = new QPopupMenu( this );
backwardId = go->insertItem( QPixmap("back.xpm"),
tr("&Backward"), browser, SLOT( backward() ),
ALT | Key_Left );
forwardId = go->insertItem( QPixmap("forward.xpm"),
tr("&Forward"), browser, SLOT( forward() ),
ALT | Key_Right );
go->insertItem( QPixmap("home.xpm"), tr("&Home"), browser, SLOT( home() ) );
QPopupMenu* help = new QPopupMenu( this );
help->insertItem( tr("&About ..."), this, SLOT( about() ) );
help->insertItem( tr("About &Qt ..."), this, SLOT( aboutQt() ) );
menuBar()->insertItem( tr("&File"), file );
menuBar()->insertItem( tr("&Go"), go );
menuBar()->insertSeparator();
menuBar()->insertItem( tr("&Help"), help );
menuBar()->setItemEnabled( forwardId, FALSE);
menuBar()->setItemEnabled( backwardId, FALSE);
connect( browser, SIGNAL( backwardAvailable( bool ) ),
this, SLOT( setBackwardAvailable( bool ) ) );
connect( browser, SIGNAL( forwardAvailable( bool ) ),
this, SLOT( setForwardAvailable( bool ) ) );
QToolBar* toolbar = new QToolBar( this );
addToolBar( toolbar, "Toolbar");
QToolButton* button;
button = new QToolButton( QPixmap("back.xpm"), tr("Backward"), "", browser, SLOT(backward()), toolbar );
connect( browser, SIGNAL( backwardAvailable(bool) ), button, SLOT( setEnabled(bool) ) );
button->setEnabled( FALSE );
button = new QToolButton( QPixmap("forward.xpm"), tr("Forward"), "", browser, SLOT(forward()), toolbar );
connect( browser, SIGNAL( forwardAvailable(bool) ), button, SLOT( setEnabled(bool) ) );
button->setEnabled( FALSE );
button = new QToolButton( QPixmap("home.xpm"), tr("Home"), "", browser, SLOT(home()), toolbar );
browser->setFocus();
}
void HelpWindow::setBackwardAvailable( bool b)
{
menuBar()->setItemEnabled( backwardId, b);
}
void HelpWindow::setForwardAvailable( bool b)
{
menuBar()->setItemEnabled( forwardId, b);
}
void HelpWindow::textChanged()
{
if ( browser->documentTitle().isNull() )
setCaption( browser->context() );
else
setCaption( browser->documentTitle() ) ;
}
HelpWindow::~HelpWindow()
{
}
void HelpWindow::about()
{
QMessageBox::about( this, "QBrowser Example",
"<p>This example implements a simple HTML browser "
"using Qt's rich text capabilities</p>"
"<p>It's just about 100 lines of C++ code, so don't expect too much :-)</p>"
);
}
void HelpWindow::aboutQt()
{
QMessageBox::aboutQt( this, "QBrowser" );
}
void HelpWindow::openFile()
{
QString fn = QFileDialog::getOpenFileName( QString::null, QString::null, this );
if ( !fn.isEmpty() )
browser->setSource( fn );
}
void HelpWindow::newWindow()
{
( new HelpWindow(browser->source(), "qbrowser") )->show();
}
/****************************************************************************
** $Id: main.cpp,v 1.7 1999/06/17 22:46:58 warwick Exp $
**
** Copyright (C) 1992-1999 Troll Tech 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 <qapplication.h>
#include <qwindowsstyle.h>
#include <qstylesheet.h>
#include "helpwindow.h"
#include <stdlib.h>
int main( int argc, char ** argv )
{
QApplication::setColorSpec( QApplication::ManyColor );
QApplication a(argc, argv);
QStyleSheetItem* style;
// Modify the application-wide default style sheet to handle
// some extra HTML gracefully.
//
// Ignore any bodytext in <head>...</head>:
style = new QStyleSheetItem( QStyleSheet::defaultSheet(), "head" );
style->setDisplayMode(QStyleSheetItem::DisplayNone);
//
// Not in default style sheet, just fake it:
style = new QStyleSheetItem( QStyleSheet::defaultSheet(), "dl" );
style->setDisplayMode(QStyleSheetItem::DisplayBlock);
style = new QStyleSheetItem( QStyleSheet::defaultSheet(), "dt" );
style->setDisplayMode(QStyleSheetItem::DisplayBlock);
style->setContexts("dl");
//
// Many HTML files omit the </p> or </li>, so we add this for efficiency:
QStyleSheet::defaultSheet()->item("p")->setSelfNesting( FALSE );
QStyleSheet::defaultSheet()->item("li")->setSelfNesting( FALSE );
QString home;
if (argc > 1)
home = argv[1];
else
home = QString(getenv("QTDIR")) + "/doc/index.html";
( new HelpWindow(home, ".", 0, "qbrowser") )->show();
QObject::connect( &a, SIGNAL(lastWindowClosed()),
&a, SLOT(quit()) );
return a.exec();
}
| Copyright © 1999 Troll Tech | Trademarks | Qt version 2.00
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