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Man Pages


Manual Reference Pages  -  TK::SPLASHSCREEN (3)

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NAME

Tk::Splashscreen - display a Splashscreen during program initialization.

CONTENTS

SYNOPSIS



 $splash = $parent->Splashscreen(-opt => val, ... );



DESCRIPTION

For programs that require large load times, it’s a common practice to display a Splashscreen that occupies the user’s attention. This Toplevel mega widget provides all the display, destroy and timing events. All you do it create the Splashscreen mega widget, populate it as you see fit, then invoke Splash() to display it and Destroy() to tear it down.

Important note: be sure to sprinkle update() calls throughout your initialization code so that any Splashscreen events are handled. Remember, the screen may be animated, or the user may be simply moving the Splashscreen about.

OPTIONS

The following option/value pairs are supported:
<B>-millisecondsB> The minimum number of milliseconds the Splashscreen should remain on the screen. Default is 0, which means that the Splashscreen is destroyed as soon as Destroy() is called. Otherwise, Destroy() waits for the specified time interval to elapse before destroying the Splashscreen.

METHODS

CW$splash->Splash([milliseconds]);

If <B>millisecondsB> is specified, it’s the minimum number of milliseconds the Splashscreen should remain on the screen. This value takes precedence over that specified on the Splashscreen constructor call.

CW$splash->Destroy([milliseconds]);

If <B>millisecondsB> is specified, it’s the minimum number of milliseconds the Splashscreen should remain on the screen. This value takes precedence over that specified on the Splash() call, which takes precedence over that specified during Splashscreen construction.

BINDINGS

    <ButtonPress-3>

Notifies the Splashscreen to set a mark for an impending move.

    <ButtonRelease-3>

Moves the Splashscreen from the mark to the cursor’s current position.

ADVERTISED WIDGETS

Component subwidgets can be accessed via the <B>SubwidgetB> method. This mega widget has no advertised subwidgets. Instead, treat the widget reference as a Toplevel and populate it as desired.

EXAMPLE



 $splash = $mw->Splashscreen;

 ... populate the Splashscreen toplevel as desired ...

 $splash->Splash(4000);

 ... program initialization ...

 $splash->Destroy;



AUTHOR

Stephen.O.Lidie@Lehigh.EDU

Copyright (C) 2001 - 2002, Steve Lidie. All rights reserved.

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

KEYWORDS

Splashscreen, Toplevel
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Tk1.0 SPLASHSCREEN (3) 2002-09-15

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