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-rw-r--r--examples/dclock/dclock.cpp97
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diff --git a/examples/dclock/dclock.cpp b/examples/dclock/dclock.cpp
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+/****************************************************************************
+**
+** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
+**
+** This file is part of an example program for TQt. This example
+** program may be used, distributed and modified without limitation.
+**
+*****************************************************************************/
+
+#include "dclock.h"
+#include <qdatetime.h>
+
+
+//
+// Constructs a DigitalClock widget with a parent and a name.
+//
+
+DigitalClock::DigitalClock( TQWidget *parent, const char *name )
+ : TQLCDNumber( parent, name )
+{
+ showingColon = FALSE;
+ setFrameStyle( TQFrame::Panel | TQFrame::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.
+//
+
+void DigitalClock::timerEvent( TQTimerEvent *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.
+//
+
+void DigitalClock::mousePressEvent( TQMouseEvent *e )
+{
+ if ( e->button() == TQMouseEvent::LeftButton ) // left button pressed
+ showDate();
+}
+
+
+//
+// Shows the current date in the internal lcd widget.
+// Fires a timer to stop showing the date.
+//
+
+void DigitalClock::showDate()
+{
+ if ( showDateTimer != -1 ) // already showing date
+ return;
+ TQDate date = TQDate::currentDate();
+ TQString s;
+ s.sprintf( "%2d %2d", date.month(), date.day() );
+ display( s ); // sets the LCD number/text
+ showDateTimer = startTimer( 2000 ); // keep this state for 2 secs
+}
+
+//
+// Stops showing the date.
+//
+
+void DigitalClock::stopDate()
+{
+ killTimer( showDateTimer );
+ showDateTimer = -1;
+ showTime();
+}
+
+//
+// Shows the current time in the internal lcd widget.
+//
+
+void DigitalClock::showTime()
+{
+ showingColon = !showingColon; // toggle/blink colon
+ TQString s = TQTime::currentTime().toString().left(5);
+ if ( !showingColon )
+ s[2] = ' ';
+ if ( s[0] == '0' )
+ s[0] = ' ';
+ display( s ); // set LCD number/text
+}