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Widgets::TextField(3pm) User Contributed Perl Documentation Widgets::TextField(3pm)
NAME
Curses::Widgets::TextField - Text Field Widgets
MODULE VERSION
$Id: TextField.pm,v 1.103 2002/11/04 00:35:44 corliss Exp corliss $
SYNOPSIS
use Curses::Widgets::TextField;
$tf = Curses::Widgets::TextField->new({
CAPTION => 'Name',
CAPTIONCOL => 'yellow',
COLUMNS => 10,
MAXLENGTH => 255,
MASK => undef,
VALUE => '',
INPUTFUNC => &scankey,
FOREGROUND => undef,
BACKGROUND => 'black',
BORDER => 1,
BORDERCOL => 'red',
FOCUSSWITCH => "
",
CURSORPOS => 0,
TEXTSTART => 0,
PASSWORD => 0,
X => 1,
Y => 1,
READONLY => 0,
});
$tf->draw($mwh, 1);
See the Curses::Widgets pod for other methods.
REQUIREMENTS
Curses
Curses::Widgets
DESCRIPTION
Curses::Widgets::TextField provides simplified OO access to Curses-based single line text fields. Each object maintains its own state
information.
METHODS
new (inherited from Curses::Widgets)
$tf = Curses::Widgets::TextField->new({
CAPTION => 'Name',
CAPTIONCOL => 'yellow',
COLUMNS => 10,
MAXLENGTH => 255,
MASK => undef,
VALUE => '',
INPUTFUNC => &scankey,
FOREGROUND => undef,
BACKGROUND => 'black',
BORDER => 1,
BORDERCOL => 'red',
FOCUSSWITCH => "
",
CURSORPOS => 0,
TEXTSTART => 0,
PASSWORD => 0,
X => 1,
Y => 1,
READONLY => 0,
});
The new method instantiates a new TextField object. The only mandatory key/value pairs in the configuration hash are X and Y. All others
have the following defaults:
Key Default Description
============================================================
CAPTION undef Caption superimposed on border
CAPTIONCOL undef Foreground colour for caption text
COLUMNS 10 Number of columns displayed
MAXLENGTH 255 Maximum string length allowed
MASK undef Not yet implemented
VALUE '' Current field text
INPUTFUNC &scankey Function to use to scan for keystrokes
FOREGROUND undef Default foreground colour
BACKGROUND undef Default background colour
BORDER 1 Display a border around the field
BORDERCOL undef Foreground colour for border
FOCUSSWITCH "
" Characters which signify end of input
CURSORPOS 0 Starting position of the cursor
TEXTSTART 0 Position in string to start displaying
PASSWORD 0 Subsitutes '*' instead of characters
READONLY 0 Prevents alteration to content
The CAPTION is only valid when the BORDER is enabled. If the border is disabled, the field will be underlined, provided the terminal sup-
ports it.
If MAXLENGTH is undefined, no limit will be placed on the string length.
If BORDER is true, the widget will be enlarged to three columns and two more columns to make room for the border.
draw
$tf->draw($mwh, 1);
The draw method renders the text field in its current state. This requires a valid handle to a curses window in which it will render
itself. The optional second argument, if true, will cause the field's text cursor to be rendered as well.
HISTORY
1999/12/29 -- Original text field widget in functional model
2001/07/05 -- First incarnation in OO architecture
AUTHOR
/COPYRIGHT
(c) 2001 Arthur Corliss (corliss@digitalmages.com)
perl v5.8.8 2006-09-14 Widgets::TextField(3pm)