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/***************************************************************************
* $Id$
**
* 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.
**
****************************************************************************/
import org.kde.qt.*;
class MDIWindow extends QMainWindow
{
private QMultiLineEdit medit;
private QMovie mmovie;
private String filename = "";
MDIWindow( QWidget parent, String name, int wflags )
{
super( parent, name, wflags );
mmovie = null;
medit = new QMultiLineEdit( this );
setFocusProxy( medit );
setCentralWidget( medit );
}
void load( String fn )
{
filename = fn;
QFile f = new QFile( filename );
if ( !f.open( QIODevice.IO_ReadOnly ) )
return;
if(fn.indexOf(".gif") != -1) {
QWidget tmp=new QWidget(this);
setFocusProxy(tmp);
setCentralWidget(tmp);
medit.hide();
QMovie qm=new QMovie(fn);
// qm.setDisplayWidget(tmp);
tmp.setBackgroundMode(QWidget.NoBackground);
tmp.show();
mmovie=qm;
} else {
mmovie = null;
QTextStream t = new QTextStream(f);
String s = t.read();
medit.setText( s );
f.close();
}
setCaption( filename );
emit("message", "Loaded document " + filename, 2000 );
}
void save()
{
if ( filename.equals("") ) {
saveAs();
return;
}
String text = medit.text();
QFile f = new QFile( filename );
if ( !f.open( QIODevice.IO_WriteOnly ) ) {
emit("message", "Could not write to " + filename,
2000 );
return;
}
QTextStream t = new QTextStream( f );
t.writeRawBytes( text, text.length() );
f.close();
setCaption( filename );
emit("message", "File " + filename + " saved", 2000 );
}
void saveAs()
{
String fn = QFileDialog.getSaveFileName( filename, "", this );
if ( !fn.equals("") ) {
filename = fn;
save();
} else {
emit("message", "Saving aborted", 2000 );
}
}
void print( QPrinter printer)
{
int Margin = 10;
int pageNo = 1;
if ( printer.setup(this) ) { // printer dialog
emit("message", "Printing...", 0 );
QPainter p = new QPainter();
if ( !p.begin( printer ) )
return; // paint on printer
p.setFont( medit.font() );
int yPos = 0; // y position for each line
QFontMetrics fm = p.fontMetrics();
QPaintDeviceMetrics metrics = new QPaintDeviceMetrics( printer ); // need width/height
// of printer surface
for( int i = 0 ; i < medit.numLines() ; i++ ) {
if ( Margin + yPos > metrics.height() - Margin ) {
String msg = "Printing (page ";
msg += (++pageNo);
msg += ")...";
emit("message", msg, 0 );
printer.newPage(); // no more room on this page
yPos = 0; // back to top of page
}
p.drawText( Margin, Margin + yPos,
metrics.width(), fm.lineSpacing(),
ExpandTabs | DontClip,
medit.textLine( i ) );
yPos = yPos + fm.lineSpacing();
}
p.end(); // send job to printer
emit("message", "Printing completed", 2000 );
} else {
emit("message", "Printing aborted", 2000 );
}
}
}
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