NAME

TK::GraphMan - A scrolling Windows Task Manager style grid/graph chart

SYNOPSIS

        use Tk;
        use Tk::GraphMan;
        my $main = new MainWindow();
        my $grid1 = $main->GraphMan( -interval => 250 )->pack();
        $grid1->Tk::GraphMan::start();
        #do something to generate numeric data for graphing to the chart...
        $grid1->Tk::GraphMan::data(100); #add an integer to the graph's timeline, in scalar context
        # or ...        
        $grid1->Tk::GraphMan::data_array(35,36,37,38,39,40,38,36,33); #add an integer to the graph's timeline, in array context
        $main->MainLoop();
        

REQUIRES

Perl5.x, Tk, Exporter

DESCRIPTION

A scrolling Windows Task Manager style grid/graph chart. This is a Tk::Canvas widget that has the look and feel of the Windows Task Manager grid/graph chart.

WIDGET-SPECIFIC OPTIONS

        -bgcolor
        Specify the background color of the chart.  (Default is 'black')
        
        -grid_color
        Specify the vertical and horizontal grid line colors of the chart.  (Default is '#008040')
        
        -data_color
        Color of the data being displayed plotted on the chart.  (Default is 'green')
        
        -interval(milliseconds)
        This options determines how frequently to scroll the chart.
        
        -height
        Sets the height of the chart, in pixels.  (Default is 100)      
        
        -width
        Sets the width of the chart, in pixels.  (Default is 230)
        
        -data_title
        Name of the data being displayed.  This is only used when the -showvalues option is set to 'on'.  (Default is 'Data')
        
        -text_color
        Sets the text color of the -data_title option.  This is only used when the -showvalues option is set to 'on'.  (Default is 'white')
        
        -showvalues('on'|'off')
        This option toggles printing of the current value (value on the far right of the chart) on and off.  (Default is 'off')
        
        -centerline('on'|'off')
        This option toggles a line to be drawn horizontally in the center of the graph.  (Default is 'off')
        
        -centerline_color
        Sets the color of the centerline.        This is only used when the -centerline option is set to 'on'.  (Default is '#ff0000')

METHODS

start()

        Begin scrolling the chart.  The chart scrolls to the left, just like the Windows Task Manager chart.
        

stop()

        Stop scrolling the chart.

data($data)

        Plot a number stored in $data scalar on the chart.  Value will be added to the right-side of the chart.
        

data_array(@data)

        Plot a list of numbers stored in @data array on the chart.  Values will be added to the right-side of the chart.
        

AUTHOR

Brett Carroll, <brettwcarroll@hotmail.com>