cgal/Qt_widget/src/CGAL_Qt3/Qt_help_window.cpp

248 lines
6.6 KiB
C++

// Copyright (c) 2002-2004 INRIA Sophia-Antipolis (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 3 of the License,
// or (at your option) any later version.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
//
//
// Author(s) : Radu Ursu
#include <CGAL/basic.h>
#include <CGAL/IO/Qt_help_window.h>
/* XPM */
/* Drawn by Mark Donohoe for the K Desktop Environment */
/* See http://www.kde.org */
static const char*backb[]={
"16 16 5 1",
"# c #000000",
"a c #ffffff",
"c c #808080",
"b c #c0c0c0",
". c None",
"................",
".......#........",
"......##........",
".....#a#........",
"....#aa########.",
"...#aabaaaaaaa#.",
"..#aabbbbbbbbb#.",
"...#abbbbbbbbb#.",
"...c#ab########.",
"....c#a#ccccccc.",
".....c##c.......",
"......c#c.......",
".......cc.......",
"........c.......",
"................",
"......................"};
/* XPM */
/* Drawn by Mark Donohoe for the K Desktop Environment */
/* See http://www.kde.org */
static const char*forwardb[]={
"16 16 5 1",
"# c #000000",
"a c #ffffff",
"c c #808080",
"b c #c0c0c0",
". c None",
"................",
"................",
".........#......",
".........##.....",
".........#a#....",
"..########aa#...",
"..#aaaaaaabaa#..",
"..#bbbbbbbbbaa#.",
"..#bbbbbbbbba#..",
"..########ba#c..",
"..ccccccc#a#c...",
"........c##c....",
"........c#c.....",
"........cc......",
"........c.......",
"................",
"................"};
/* XPM */
/* Drawn by Mark Donohoe for the K Desktop Environment */
/* See http://www.kde.org */
static const char*homeb[]={
"16 16 4 1",
"# c #000000",
"a c #ffffff",
"b c #c0c0c0",
". c None",
"........... ....",
" ....##.......",
"..#...####......",
"..#..#aabb#.....",
"..#.#aaaabb#....",
"..##aaaaaabb#...",
"..#aaaaaaaabb#..",
".#aaaaaaaaabbb#.",
"###aaaaaaaabb###",
"..#aaaaaaaabb#..",
"..#aaa###aabb#..",
"..#aaa#.#aabb#..",
"..#aaa#.#aabb#..",
"..#aaa#.#aabb#..",
"..#aaa#.#aabb#..",
"..#####.######..",
"................"};
namespace CGAL{
Qt_help_window::Qt_help_window( const QString& home_, const QString& _path,
QWidget* parent, const char *name )
: QMainWindow( parent, name, WDestructiveClose ),
pathCombo( 0 )
{
readHistory();
browser = new QTextBrowser( this );
browser->mimeSourceFactory()->setFilePath( _path );
// browser->setFrameStyle( QFrame::Panel | QFrame::Sunken );
setCentralWidget( browser );
if ( !home_.isEmpty() )
browser->setSource( home_ );
connect( browser, SIGNAL( highlighted( const QString&) ),
statusBar(), SLOT( message( const QString&)) );
// The same three icons are used twice each.
QIconSet icon_back( QPixmap((const char**)backb) );
QIconSet icon_forward( QPixmap((const char**)forwardb) );
QIconSet icon_home( QPixmap((const char**)homeb) );
QPopupMenu* file = new QPopupMenu( this );
file->insertItem( "&Print", this, SLOT( print() ), CTRL+Key_P );
file->insertSeparator();
file->insertItem( "&Close", this, SLOT( close() ), CTRL+Key_Q );
QPopupMenu* go = new QPopupMenu( this );
backwardId = go->insertItem( icon_back,
"&Backward", browser, SLOT( backward() ),
CTRL+Key_Left );
forwardId = go->insertItem( icon_forward,
"&Forward", browser, SLOT( forward() ),
CTRL+Key_Right );
go->insertItem( icon_home, "&Home", browser, SLOT( home() ) );
menuBar()->insertItem("&File", file);
menuBar()->insertItem("&Go", go);
QToolBar* toolbar = new QToolBar( "Toolbar", this, this);
QToolButton* button;
button = new QToolButton( icon_back, "Backward", "",
browser, SLOT(backward()), toolbar );
connect( browser, SIGNAL( backwardAvailable(bool) ),
button, SLOT( setEnabled(bool) ) );
button->setEnabled( FALSE );
button = new QToolButton( icon_forward, "Forward", "",
browser, SLOT(forward()), toolbar );
connect( browser, SIGNAL( forwardAvailable(bool) ),
button, SLOT(setEnabled(bool) ) );
button->setEnabled( FALSE );
button = new QToolButton( icon_home, "Home", "", browser,
SLOT(home()), toolbar );
toolbar->addSeparator();
pathCombo = new QComboBox( TRUE, toolbar );
connect( pathCombo, SIGNAL( activated( const QString & ) ),
this, SLOT( pathSelected( const QString & ) ) );
toolbar->setStretchableWidget( pathCombo );
setRightJustification( TRUE );
pathCombo->insertItem( home_ );
}
Qt_help_window::~Qt_help_window(){}
void Qt_help_window::setBackwardAvailable( bool b)
{
menuBar()->setItemEnabled( backwardId, b);
}
void Qt_help_window::setForwardAvailable( bool b)
{
menuBar()->setItemEnabled( forwardId, b);
}
void Qt_help_window::print()
{
#ifndef QT_NO_PRINTER
QPrinter printer;
printer.setFullPage(TRUE);
if ( printer.setup( this ) ) {
QPainter p( &printer );
QPaintDeviceMetrics metrics(p.device());
int dpix = metrics.logicalDpiX();
int dpiy = metrics.logicalDpiY();
const int margin = 72; // pt
QRect body(margin*dpix/72, margin*dpiy/72,
metrics.width()-margin*dpix/72*2,
metrics.height()-margin*dpiy/72*2 );
QSimpleRichText richText( browser->text(), QFont(), browser->context(), browser->styleSheet(),
browser->mimeSourceFactory(), body.height() );
richText.setWidth( &p, body.width() );
QRect view( body );
int page = 1;
do {
richText.draw( &p, body.left(), body.top(), view, colorGroup() );
view.moveBy( 0, body.height() );
p.translate( 0 , -body.height() );
p.drawText( view.right() - p.fontMetrics().width( QString::number(page) ),
view.bottom() + p.fontMetrics().ascent() + 5, QString::number(page) );
if ( view.top() >= richText.height() )
break;
printer.newPage();
page++;
} while (TRUE);
}
#endif
}
void Qt_help_window::pathSelected( const QString &_path )
{
browser->setSource( _path );
}
void Qt_help_window::histChosen( int i )
{
if ( mHistory.contains( i ) )
browser->setSource( mHistory[ i ] );
}
void Qt_help_window::readHistory()
{
if ( QFile::exists( QDir::currentDirPath() + "/.history" ) ) {
QFile f( QDir::currentDirPath() + "/.history" );
f.open( IO_ReadOnly );
QDataStream s( &f );
s >> history;
f.close();
while ( history.count() > 20 )
history.remove( history.begin() );
}
}
} //end CGAL namespace
#include "Qt_help_window.moc"