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-rw-r--r--qtjava/javalib/examples/dclock/DigitalClock.java115
-rw-r--r--qtjava/javalib/examples/dclock/Main.java30
-rw-r--r--qtjava/javalib/examples/dclock/README5
3 files changed, 150 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
@@ -0,0 +1,115 @@
+/***************************************************************************
+* $Id$
+**
+* 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
+}
+}
diff --git a/qtjava/javalib/examples/dclock/Main.java b/qtjava/javalib/examples/dclock/Main.java
new file mode 100644
index 00000000..1aeb174e
--- /dev/null
+++ b/qtjava/javalib/examples/dclock/Main.java
@@ -0,0 +1,30 @@
+/***************************************************************************
+* $Id$
+**
+* 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.*;
+
+public class Main {
+
+
+public static void main( String[] args )
+{
+ QApplication a = new QApplication( args );
+ DigitalClock clock = new DigitalClock();
+ clock.resize( 170, 80 );
+ a.setMainWidget( clock );
+ clock.setCaption("Qt Example - Digital Clock");
+ clock.show();
+ a.exec();
+ return;
+}
+
+static {
+ qtjava.initialize();
+}
+}
diff --git a/qtjava/javalib/examples/dclock/README b/qtjava/javalib/examples/dclock/README
new file mode 100644
index 00000000..dfa58402
--- /dev/null
+++ b/qtjava/javalib/examples/dclock/README
@@ -0,0 +1,5 @@
+The dclock program displays a digital LCD clock and can switch
+between time and date.
+
+See also the aclock sample that displays an analog clock.
+