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98 lines
2.4 KiB
98 lines
2.4 KiB
13 years ago
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/****************************************************************************
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of an example program for TQt. This example
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** program may be used, distributed and modified without limitation.
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**
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*****************************************************************************/
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#include "dclock.h"
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#include <qdatetime.h>
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//
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// Constructs a DigitalClock widget with a parent and a name.
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//
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DigitalClock::DigitalClock( TQWidget *parent, const char *name )
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: TQLCDNumber( parent, name )
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{
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showingColon = FALSE;
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setFrameStyle( TQFrame::Panel | TQFrame::Raised );
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setLineWidth( 2 ); // set frame line width
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showTime(); // display the current time
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normalTimer = startTimer( 500 ); // 1/2 second timer events
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showDateTimer = -1; // not showing date
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}
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//
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// Handles timer events for the digital clock widget.
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// There are two different timers; one timer for updating the clock
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// and another one for switching back from date mode to time mode.
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//
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void DigitalClock::timerEvent( TQTimerEvent *e )
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{
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if ( e->timerId() == showDateTimer ) // stop showing date
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stopDate();
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else { // normal timer
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if ( showDateTimer == -1 ) // not showing date
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showTime();
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}
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}
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//
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// Enters date mode when the left mouse button is pressed.
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//
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void DigitalClock::mousePressEvent( TQMouseEvent *e )
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{
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if ( e->button() == TQMouseEvent::LeftButton ) // left button pressed
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showDate();
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}
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//
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// Shows the current date in the internal lcd widget.
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// Fires a timer to stop showing the date.
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//
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void DigitalClock::showDate()
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{
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if ( showDateTimer != -1 ) // already showing date
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return;
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TQDate date = TQDate::currentDate();
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TQString s;
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s.sprintf( "%2d %2d", date.month(), date.day() );
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display( s ); // sets the LCD number/text
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showDateTimer = startTimer( 2000 ); // keep this state for 2 secs
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}
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//
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// Stops showing the date.
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//
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void DigitalClock::stopDate()
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{
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killTimer( showDateTimer );
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showDateTimer = -1;
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showTime();
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}
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//
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// Shows the current time in the internal lcd widget.
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//
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void DigitalClock::showTime()
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{
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showingColon = !showingColon; // toggle/blink colon
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TQString s = TQTime::currentTime().toString().left(5);
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if ( !showingColon )
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s[2] = ' ';
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if ( s[0] == '0' )
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s[0] = ' ';
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display( s ); // set LCD number/text
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}
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