table of contents
Tickit::Widget::Button(3pm) | User Contributed Perl Documentation | Tickit::Widget::Button(3pm) |
NAME¶
"Tickit::Widget::Button" - a widget displaying a clickable button
SYNOPSIS¶
use Tickit; use Tickit::Widget::Button; my $button = Tickit::Widget::Button->new( label => "Click Me!", on_click => sub { my ( $self ) = @_; # Do something! }, ); Tickit->new( root => $button )->run;
DESCRIPTION¶
This class provides a widget which displays a clickable area with a label. When the area is clicked, a callback is invoked.
STYLE¶
The default style pen is used as the widget pen. The following style keys are used:
- linetype => STRING
- What kind of border to draw around the button; one of
none single double thick
- marker_left => STRING
- A two-character string to place just before the button label
- marker_right => STRING
- A two-character string to place just after the button label
The following style tags are used:
- :active
- Set when the mouse is being held over the button, before it is released
The following style actions are used:
- click
- The main action to activate the "on_click" handler.
CONSTRUCTOR¶
new¶
$button = Tickit::Widget::Button->new( %args );
Constructs a new "Tickit::Widget::Button" object.
Takes the following named arguments:
- label => STR
- Text to display in the button area
- on_click => CODE
- Optional. Callback function to invoke when the button is clicked.
ACCESSORS¶
label¶
$label = $button->label;
set_label¶
$button->set_label( $label );
Return or set the text to display in the button area.
on_click¶
$on_click = $button->on_click;
set_on_click¶
$button->set_on_click( $on_click );
Return or set the CODE reference to be called when the button area is clicked.
$on_click->( $button );
click¶
$button->click;
Behave as if the button has been clicked; running its "on_click" handler. This is provided for convenience of activating its handler programmatically via other parts of code.
align¶
set_align¶
valign¶
set_valign¶
$align = $button->align; $button->set_align( $align ); $valign = $button->valign; $button->set_valign( $valign );
Accessors for the horizontal and vertical alignment of the label text within the button area. See also Tickit::WidgetRole::Alignable.
AUTHOR¶
Paul Evans <leonerd@leonerd.org.uk>
2024-09-16 | perl v5.38.2 |