From d796c9dd933ab96ec83b9a634feedd5d32e1ba3f Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Tue, 8 Nov 2011 12:31:36 -0600 Subject: Test conversion to TQt3 from Qt3 8c6fc1f8e35fd264dd01c582ca5e7549b32ab731 --- doc/html/dclock-example.html | 221 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 221 insertions(+) create mode 100644 doc/html/dclock-example.html (limited to 'doc/html/dclock-example.html') diff --git a/doc/html/dclock-example.html b/doc/html/dclock-example.html new file mode 100644 index 000000000..332a7e767 --- /dev/null +++ b/doc/html/dclock-example.html @@ -0,0 +1,221 @@ + + + + + +Digital Clock + + + + + + + +

Digital Clock

+ + +

+This example displays a digital LCD clock that can switch between time +and date. +

Header file: +

/****************************************************************************
+** $Id: qt/dclock.h   3.3.8   edited Jan 11 14:37 $
+**
+** Copyright (C) 1992-2007 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.
+**
+*****************************************************************************/
+
+#ifndef DCLOCK_H
+#define DCLOCK_H
+
+#include <qlcdnumber.h>
+
+
+class DigitalClock : public TQLCDNumber          // digital clock widget
+{
+    Q_OBJECT
+public:
+    DigitalClock( TQWidget *parent=0, const char *name=0 );
+
+protected:                                      // event handlers
+    void        timerEvent( TQTimerEvent * );
+    void        mousePressEvent( TQMouseEvent * );
+
+private slots:                                  // internal slots
+    void        stopDate();
+    void        showTime();
+
+private:                                        // internal data
+    void        showDate();
+
+    bool        showingColon;
+    int         normalTimer;
+    int         showDateTimer;
+};
+
+
+#endif // DCLOCK_H
+

+ +

Implementation: +

/****************************************************************************
+** $Id: qt/dclock.cpp   3.3.8   edited Jan 11 14:37 $
+**
+** Copyright (C) 1992-2007 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
+}
+

+ +

Main: +

/****************************************************************************
+** $Id: qt/main.cpp   3.3.8   edited Jan 11 14:37 $
+**
+** Copyright (C) 1992-2007 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 <qapplication.h>
+
+
+int main( int argc, char **argv )
+{
+    TQApplication a( argc, argv );
+    DigitalClock *clock = new DigitalClock;
+    clock->resize( 170, 80 );
+    a.setMainWidget( clock );
+    clock->setCaption("TQt Example - Digital Clock");
+    clock->show();
+    return a.exec();
+}
+

+ +