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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.*;
import java.util.ArrayList;
class ApplicationWindow extends QMainWindow
{
private QPrinter printer;
private QWorkspace ws;
/* Keep a copy of ws.windowList(), so that the MDIWindow
widgets in it won't get garbage collected */
private ArrayList windows;
private QToolBar fileTools;
private QPopupMenu windowsMenu;
private String fileOpenText = "Click this button to open a <em>new file</em>. <br><br>"
+ "You can also select the <b>Open command</b> from the File menu.";
private String fileSaveText = "Click this button to save the file you are "
+ "editing. You will be prompted for a file name.\n\n"
+ "You can also select the Save command from the File menu.\n\n"
+ "Note that implementing this function is left as an exercise for the reader.";
private String filePrintText = "Click this button to print the file you "
+ "are editing.\n\n"
+ "You can also select the Print command from the File menu.";
/* XPM */
static String filesave[] = {
" 14 14 4 1",
". c #040404",
"# c #808304",
"a c #bfc2bf",
"b c None",
"..............",
".#.aaaaaaaa.a.",
".#.aaaaaaaa...",
".#.aaaaaaaa.#.",
".#.aaaaaaaa.#.",
".#.aaaaaaaa.#.",
".#.aaaaaaaa.#.",
".##........##.",
".############.",
".##.........#.",
".##......aa.#.",
".##......aa.#.",
".##......aa.#.",
"b............."
};
/* XPM */
static String fileopen[] = {
" 16 13 5 1",
". c #040404",
"# c #808304",
"a c None",
"b c #f3f704",
"c c #f3f7f3",
"aaaaaaaaa...aaaa",
"aaaaaaaa.aaa.a.a",
"aaaaaaaaaaaaa..a",
"a...aaaaaaaa...a",
".bcb.......aaaaa",
".cbcbcbcbc.aaaaa",
".bcbcbcbcb.aaaaa",
".cbcb...........",
".bcb.#########.a",
".cb.#########.aa",
".b.#########.aaa",
"..#########.aaaa",
"...........aaaaa"
};
/* XPM */
static String fileprint[] = {
" 16 14 6 1",
". c #000000",
"# c #848284",
"a c #c6c3c6",
"b c #ffff00",
"c c #ffffff",
"d c None",
"ddddd.........dd",
"dddd.cccccccc.dd",
"dddd.c.....c.ddd",
"ddd.cccccccc.ddd",
"ddd.c.....c....d",
"dd.cccccccc.a.a.",
"d..........a.a..",
".aaaaaaaaaa.a.a.",
".............aa.",
".aaaaaa###aa.a.d",
".aaaaaabbbaa...d",
".............a.d",
"d.aaaaaaaaa.a.dd",
"dd...........ddd"
};
ApplicationWindow()
{
super( null, "example application main window", WDestructiveClose );
int id;
QPixmap openIcon, saveIcon;
fileTools = new QToolBar( this, "file operations" );
addToolBar( fileTools, tr( "File Operations" ), DockTop, true );
openIcon = new QPixmap( fileopen );
QToolButton fileOpen
= new QToolButton( new QIconSet(openIcon), "Open File", "",
this, SLOT("load()"), fileTools, "open file" );
saveIcon = new QPixmap( filesave );
QToolButton fileSave
= new QToolButton( new QIconSet(saveIcon), "Save File", "",
this, SLOT("save()"), fileTools, "save file" );
printer = new QPrinter();
QPixmap printIcon;
printIcon = new QPixmap( fileprint );
QToolButton filePrint
= new QToolButton( new QIconSet(printIcon), "Print File", "",
this, SLOT("print()"), fileTools, "print file" );
QWhatsThis.add( filePrint, filePrintText );
QWhatsThis.whatsThisButton( fileTools );
QWhatsThis.add( fileOpen, fileOpenText );
QWhatsThis.add( fileSave, fileSaveText );
QPopupMenu file = new QPopupMenu( this );
menuBar().insertItem( "&File", file );
file.insertItem( "&New", this, SLOT("newDoc()"), new QKeySequence(CTRL+Key_N) );
id = file.insertItem( new QIconSet(openIcon), "&Open...",
this, SLOT("load()"), new QKeySequence(CTRL+Key_O) );
file.setWhatsThis( id, fileOpenText );
id = file.insertItem( new QIconSet(saveIcon), "&Save",
this, SLOT("save()"), new QKeySequence(CTRL+Key_S) );
file.setWhatsThis( id, fileSaveText );
id = file.insertItem( "Save &As...", this, SLOT("saveAs()") );
file.setWhatsThis( id, fileSaveText );
file.insertSeparator();
id = file.insertItem( new QIconSet(printIcon), "&Print...",
this, SLOT("print()"), new QKeySequence(CTRL+Key_P) );
file.setWhatsThis( id, filePrintText );
file.insertSeparator();
file.insertItem( "&Close", this, SLOT("closeWindow()"), new QKeySequence(CTRL+Key_W) );
file.insertItem( "&Quit", qApp(), SLOT(" closeAllWindows()"), new QKeySequence(CTRL+Key_Q) );
windowsMenu = new QPopupMenu( this );
windowsMenu.setCheckable( true );
connect( windowsMenu, SIGNAL(" aboutToShow()"),
this, SLOT(" windowsMenuAboutToShow()") );
menuBar().insertItem( "&Windows", windowsMenu );
menuBar().insertSeparator();
QPopupMenu help = new QPopupMenu( this );
menuBar().insertItem( "&Help", help );
help.insertItem( "&About", this, SLOT("about()"), new QKeySequence(Key_F1));
help.insertItem( "About &Qt", this, SLOT("aboutQt()"));
help.insertSeparator();
help.insertItem( "What's &This", this, SLOT("whatsThis()"), new QKeySequence(SHIFT+Key_F1));
QVBox vb = new QVBox( this );
vb.setFrameStyle( QFrame.StyledPanel | QFrame.Sunken );
ws = new QWorkspace( vb );
ws.setScrollBarsEnabled( true );
setCentralWidget( vb );
statusBar().message( "Ready", 2000 );
}
MDIWindow newDoc()
{
MDIWindow w = new MDIWindow( ws, null, WDestructiveClose );
connect( w, SIGNAL("message(String,int)"), statusBar(), SLOT("message(String,int)") );
w.setCaption("unnamed document");
w.setIcon( new QPixmap("document.xpm") );
// show the very first window in maximized mode
windows = ws.windowList();
if ( windows.size() == 0 )
w.showMaximized();
else
w.show();
return w;
}
void load()
{
String fn = QFileDialog.getOpenFileName( "", "", this );
if ( !fn.equals("") ) {
MDIWindow w = newDoc();
w.load( fn );
} else {
statusBar().message( "Loading aborted", 2000 );
}
}
void save()
{
MDIWindow m = (MDIWindow)ws.activeWindow();
if ( m != null )
m.save();
}
void saveAs()
{
MDIWindow m = (MDIWindow)ws.activeWindow();
if ( m != null )
m.saveAs();
}
void print()
{
MDIWindow m = (MDIWindow)ws.activeWindow();
if ( m != null)
m.print( printer );
}
void closeWindow()
{
MDIWindow m = (MDIWindow)ws.activeWindow();
if ( m != null )
m.close();
}
void about()
{
QMessageBox.about( this, "Qt Application Example",
"This example demonstrates simple use of\n "
+ "Qt's Multiple Document Interface (MDI).");
}
void aboutQt()
{
QMessageBox.aboutQt( this, "Qt Application Example" );
}
void windowsMenuAboutToShow()
{
windowsMenu.clear();
int cascadeId = windowsMenu.insertItem("&Cascade", ws, SLOT("cascade()") );
int tileId = windowsMenu.insertItem("&Tile", ws, SLOT("tile()") );
windows = ws.windowList();
if ( windows.size() == 0 ) {
windowsMenu.setItemEnabled( cascadeId, false );
windowsMenu.setItemEnabled( tileId, false );
}
windowsMenu.insertSeparator();
for ( int i = 0; i < windows.size(); ++i ) {
int id = windowsMenu.insertItem(((QWidget) windows.get(i)).caption(),
this, SLOT(" windowsMenuActivated( int )") );
windowsMenu.setItemParameter( id, i );
windowsMenu.setItemChecked( id, ws.activeWindow() == windows.get(i) );
}
}
void windowsMenuActivated( int id )
{
windows = ws.windowList();
QWidget w = (QWidget) windows.get( id );
if ( w != null )
w.showNormal();
w.setFocus();
}
}
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