You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
136 lines
3.1 KiB
136 lines
3.1 KiB
15 years ago
|
/***************************************************************************
|
||
|
|
* $Id$
|
||
|
|
**
|
||
|
|
* 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 );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|