Perl/Tk Pocket Reference

17. Fonts 91

$master->gridSize;

Returns size of grid (in columns, then rows) for

$master.

$master->gridSlaves(?-row => row??, -column => column?);

With no options, a list of all slaves in

$master is returned.

Otherwise, returns a list of slaves in specified row and/or

column.

Grid Relative Placement

– Increases columnspan of slave to the left.

x Leave an empty column.

^ Extends the rowspan of slave above.

17. Fonts

$widget->fontActual(fontDesc ?, -option?);

Returns actual value for -option used by fontDesc on

$widget’s display. If -option is not given, the complete

option/actual value list is returned.

$widget->fontConfigure(fontname ?, -option ?, value??);

Queries/sets font options for application-created font

fontname.

$widget->fontCreate(?fontname ?, -option, value??);

Creates new application font fontname with given font

options.

$widget->fontDelete(fontname ?, fontname?);

Deletes given application-created fonts.

$widget->fontFamilies;

Returns list of known font families defined on

$widget’s

display.

$widget->fontMeasure(fontDesc, text);

Returns width in pixels used by text when rendered in

fontDesc on

$widget’s display.

92 Perl/Tk Pocket Reference

$widget->fontMetrics(fontDesc ?, metric?);

Queries font metrics of fontDesc on

$widget’s display

where metric may be one of

-ascent, -descent,

-linespace, or -fixed. If