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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 ExampleWidget extends QWidget
{
ExampleWidget( )
{
this(null, null);
}
ExampleWidget( QWidget parent, String name )
{
super( parent, name );
// Make the top-level layout; a vertical box to contain all widgets
// and sub-layouts.
QBoxLayout topLayout = new QVBoxLayout( this, 5 );
// Create a menubar...
QMenuBar menubar = new QMenuBar( this );
menubar.setSeparator( QMenuBar.InWindowsStyle );
QPopupMenu popup;
popup = new QPopupMenu( this );
popup.insertItem( "&Quit", qApp(), SLOT("quit()") );
menubar.insertItem( "&File", popup );
// ...and tell the layout about it.
topLayout.setMenuBar( menubar );
// Make an hbox that will hold a row of buttons.
QBoxLayout buttons = new QHBoxLayout( topLayout );
int i;
for ( i = 1; i <= 4; i++ ) {
QPushButton but = new QPushButton( this );
String s = "Button " + i;
but.setText( s );
// Set horizontal stretch factor to 10 to let the buttons
// stretch horizontally. The buttons will not stretch
// vertically, since bigWidget below will take up vertical
// stretch.
buttons.addWidget( but, 10 );
// (Actually, the result would have been the same with a
// stretch factor of 0; if no items in a layout have non-zero
// stretch, the space is divided equally between members.)
}
// Make another hbox that will hold a left-justified row of buttons.
QBoxLayout buttons2 = new QHBoxLayout( topLayout );
QPushButton but = new QPushButton( "Button five", this );
buttons2.addWidget( but );
but = new QPushButton( "Button 6", this );
buttons2.addWidget( but );
// Fill up the rest of the hbox with stretchable space, so that
// the buttons get their minimum width and are pushed to the left.
buttons2.addStretch( 10 );
// Make a big widget that will grab all space in the middle.
QMultiLineEdit bigWidget = new QMultiLineEdit( this );
bigWidget.setText( "This widget will get all the remaining space" );
bigWidget.setFrameStyle( QFrame.Panel | QFrame.Plain );
// Set vertical stretch factor to 10 to let the bigWidget stretch
// vertically. It will stretch horizontally because there are no
// widgets beside it to take up horizontal stretch.
// topLayout.addWidget( bigWidget, 10 );
topLayout.addWidget( bigWidget );
// Make a grid that will hold a vertical table of QLabel/QLineEdit
// pairs next to a large QMultiLineEdit.
// Don't use hard-coded row/column numbers in QGridLayout, you'll
// regret it when you have to change the layout.
int numRows = 3;
int labelCol = 0;
int linedCol = 1;
int multiCol = 2;
// Let the grid-layout have a spacing of 10 pixels between
// widgets, overriding the default from topLayout.
QGridLayout grid = new QGridLayout( topLayout, 0, 0, 10 );
int row;
for ( row = 0; row < numRows; row++ ) {
QLineEdit ed = new QLineEdit( this );
// The line edit goes in the second column
grid.addWidget( ed, row, linedCol );
// Make a label that is a buddy of the line edit
String s= "Line &" + (row+1);
QLabel label = new QLabel( ed, s, this );
// The label goes in the first column.
grid.addWidget( label, row, labelCol );
}
// The multiline edit will cover the entire vertical range of the
// grid (rows 0 to numRows) and stay in column 2.
QMultiLineEdit med = new QMultiLineEdit( this );
grid.addMultiCellWidget( med, 0, -1, multiCol, multiCol );
// The labels will take the space they need. Let the remaining
// horizontal space be shared so that the multiline edit gets
// twice as much as the line edit.
grid.setColStretch( linedCol, 10 );
grid.setColStretch( multiCol, 20 );
// Add a widget at the bottom.
QLabel sb = new QLabel( this );
sb.setText( "Let's pretend this is a status bar" );
sb.setFrameStyle( QFrame.Panel | QFrame.Sunken );
// This widget will use all horizontal space, and have a fixed height.
// we should have made a subclass and implemented sizePolicy there...
sb.setFixedHeight( sb.sizeHint().height() );
sb.setAlignment( AlignVCenter | AlignLeft );
topLayout.addWidget( sb );
topLayout.activate();
}
public static void main( String[] args )
{
QApplication a = new QApplication( args );
ExampleWidget f = new ExampleWidget();
a.setMainWidget(f);
f.setCaption("Qt Example - Caption");
f.show();
a.exec();
return;
}
static {
qtjava.initialize();
}
}
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