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136 lines
3.1 KiB
136 lines
3.1 KiB
/***************************************************************************
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* $Id$
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**
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* Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
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**
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* This file is part of an example program for Qt. This example
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* program may be used, distributed and modified without limitation.
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**
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****************************************************************************/
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import org.kde.qt.*;
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class MDIWindow extends TQMainWindow
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{
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private TQMultiLineEdit medit;
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private TQMovie mmovie;
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private String filename = "";
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MDIWindow( TQWidget parent, String name, int wflags )
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{
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super( parent, name, wflags );
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mmovie = null;
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medit = new TQMultiLineEdit( this );
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setFocusProxy( medit );
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setCentralWidget( medit );
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}
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void load( String fn )
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{
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filename = fn;
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TQFile f = new TQFile( filename );
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if ( !f.open( TQIODevice.IO_ReadOnly ) )
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return;
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if(fn.indexOf(".gif") != -1) {
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TQWidget tmp=new TQWidget(this);
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setFocusProxy(tmp);
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setCentralWidget(tmp);
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medit.hide();
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TQMovie qm=new TQMovie(fn);
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// qm.setDisplayWidget(tmp);
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tmp.setBackgroundMode(TQWidget.NoBackground);
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tmp.show();
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mmovie=qm;
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} else {
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mmovie = null;
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TQTextStream t = new TQTextStream(f);
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String s = t.read();
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medit.setText( s );
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f.close();
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}
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setCaption( filename );
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emit("message", "Loaded document " + filename, 2000 );
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}
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void save()
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{
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if ( filename.equals("") ) {
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saveAs();
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return;
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}
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String text = medit.text();
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TQFile f = new TQFile( filename );
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if ( !f.open( TQIODevice.IO_WriteOnly ) ) {
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emit("message", "Could not write to " + filename,
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2000 );
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return;
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}
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TQTextStream t = new TQTextStream( f );
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t.writeRawBytes( text, text.length() );
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f.close();
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setCaption( filename );
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emit("message", "File " + filename + " saved", 2000 );
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}
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void saveAs()
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{
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String fn = TQFileDialog.getSaveFileName( filename, "", this );
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if ( !fn.equals("") ) {
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filename = fn;
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save();
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} else {
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emit("message", "Saving aborted", 2000 );
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}
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}
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void print( TQPrinter printer)
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{
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int Margin = 10;
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int pageNo = 1;
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if ( printer.setup(this) ) { // printer dialog
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emit("message", "Printing...", 0 );
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TQPainter p = new TQPainter();
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if ( !p.begin( printer ) )
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return; // paint on printer
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p.setFont( medit.font() );
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int yPos = 0; // y position for each line
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TQFontMetrics fm = p.fontMetrics();
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TQPaintDeviceMetrics metrics = new TQPaintDeviceMetrics( printer ); // need width/height
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// of printer surface
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for( int i = 0 ; i < medit.numLines() ; i++ ) {
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if ( Margin + yPos > metrics.height() - Margin ) {
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String msg = "Printing (page ";
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msg += (++pageNo);
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msg += ")...";
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emit("message", msg, 0 );
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printer.newPage(); // no more room on this page
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yPos = 0; // back to top of page
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}
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p.drawText( Margin, Margin + yPos,
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metrics.width(), fm.lineSpacing(),
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ExpandTabs | DontClip,
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medit.textLine( i ) );
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yPos = yPos + fm.lineSpacing();
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}
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p.end(); // send job to printer
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emit("message", "Printing completed", 2000 );
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} else {
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emit("message", "Printing aborted", 2000 );
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}
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}
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}
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