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Dmitry Karasik

NAME

Prima::Markup - Allow markup in Prima Widgets

SYNOPSIS

    use Prima qw(Application Buttons Drawable::Markup);
    Prima::Button->new(
        ...
        text   => Prima::Drawable::Markup->new(text => "B<Bold> bU<u>tton"),
        hotKey => 'u',
    );

DESCRIPTION

Prima::Markup adds the ability to recognize POD-like markup to Prima widgets. Supported markup sequences are B (bold text), I (italic text), U (underlined text), F (change font), S (change font size), C (change foreground color), Q (change background color), M (move pointer), W (disable wrapping), and P (picture).

The F sequence is used as follows: F<n|text>, where n is a 0-based index into the fontPalette.

The S sequence is used as follows: S<n|text>, where n is the number of points relative to the current font size. The font size may optionally be preceded by + or -.

The C and Q sequences are used as follows: C<c|text>, where c is either: a color in any form accepted by Prima, including the cl constants (Black Blue Green Cyan Red Magenta Brown LightGray DarkGray LightBlue LightGreen LightCyan LightRed LightMagenta Yellow White Gray). Or, a 0-based index into the colorPalette. Also, default can be used to set the color that the canvas originaly had. For Q a special value off can be used to turn off background color and set it as transparent.

The M command has three paramaters, comma-separated: X, Y, and flags. X and Y are coordinates how much to move the current pointer. By default X and are in pixels, and do not extend block width. flags is a set of characters, where each is:

    m - set units to font height
    p - set units to points
    x - also extend the block width

The text inside W sequence will not be wrapped during text_wrap calls.

The P sequence is used as follows:P<n>, where n is a 0-based index into the picturePalette.

The methods text_out and get_text_width are affected by Prima::Markup. text_out will write formatted text to the canvas, and get_text_width will return the width of the formatted text. NOTE: These methods do not save state between calls, so your markup cannot span lines (since each line is drawn or measured with a separate call).

PROPERTIES

The following properties are used:

colorPalette([@colorPalette])

Gets or sets the color palette to be used for C sequences within this widget. Each element of the array should be a cl:: constant.

fontPalette([@fontPalette])

Gets or sets the font palette to be used for F sequences within this widget. Each element of the array should be a hashref suitable for setting a font.

picturePalette([@picturePalette])

Gets or sets the picture palette to be used for P sequences within this widget. Each element of the array should be a Prima::Image descendant.

bidi BOOLEAN = 1

If 0, bidirection text processing if off. If 1, set to 1 iff Prima::Bidi is loaded and enabled.

SEE ALSO

Prima::Drawable::TextBlock

COPYRIGHT

Copyright 2003 Teo Sankaro

You may redistribute and/or modify this module under the same terms as Perl itself. (Although a credit would be nice.)

AUTHOR

This module based on work by Teo Sankaro, <teo_sankaro@hotmail.com>.