1 files changed, 115 insertions, 0 deletions
diff --git a/qtjava/javalib/examples/dclock/DigitalClock.java b/qtjava/javalib/examples/dclock/DigitalClock.java
new file mode 100644
index 00000000..6bc1d87f
--- /dev/null
+++ b/qtjava/javalib/examples/dclock/DigitalClock.java
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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.Date;
+import java.text.*;
+
+class DigitalClock extends QLCDNumber		// digital clock widget
+{
+
+private boolean	showingColon;
+private int		normalTimer;
+private int		showDateTimer;
+
+
+
+
+DigitalClock( )
+{
+	this(null, null);
+}
+
+//
+// Constructs a DigitalClock widget with a parent and a name.
+//
+DigitalClock( QWidget parent )
+{
+	this(parent, null);
+}
+
+DigitalClock( QWidget parent, String name )
+{
+    super( parent, name );
+    showingColon = false;
+    setFrameStyle( QFrame.Panel | QFrame.Raised );
+    setLineWidth( 2 );				// set frame line width
+    showTime();					// display the current time
+    normalTimer = startTimer( 500 );		// 1/2 second timer events
+    showDateTimer = -1;				// not showing date
+}
+
+
+//
+// Handles timer events for the digital clock widget.
+// There are two different timers; one timer for updating the clock
+// and another one for switching back from date mode to time mode.
+//
+
+protected void timerEvent( QTimerEvent e )
+{
+    if ( e.timerId() == showDateTimer )	// stop showing date
+	stopDate();
+    else {					// normal timer
+	if ( showDateTimer == -1 )		// not showing date
+	    showTime();
+    }
+}
+
+//
+// Enters date mode when the left mouse button is pressed.
+//
+
+protected void mousePressEvent( QMouseEvent e )
+{
+	if ( e.button() == QMouseEvent.LeftButton )		// left button pressed
+	showDate();
+}
+
+
+//
+// Shows the current date in the internal lcd widget.
+// Fires a timer to stop showing the date.
+//
+
+void showDate()
+{
+	if ( showDateTimer != -1 )			// already showing date
+	return;
+	// Java always prints at least two digits for the year
+	DateFormat dateFormat = new SimpleDateFormat( "yy d" );
+    String s = dateFormat.format(new Date());
+    display( s );				// sets the LCD number/text
+    showDateTimer = startTimer( 2000 );		// keep this state for 2 secs
+}
+
+//
+// Stops showing the date.
+//
+
+void stopDate()
+{
+    killTimer( showDateTimer );
+    showDateTimer = -1;
+    showTime();
+}
+
+//
+// Shows the current time in the internal lcd widget.
+//
+
+void showTime()
+{
+    showingColon = !showingColon;		// toggle/blink colon
+	DateFormat timeFormat = new SimpleDateFormat( (showingColon ? "HH:mm": "HH mm") );
+    String s = timeFormat.format(new Date());
+    display( s );				// set LCD number/text
+}
+}