Prima::Widget Prima::Widget is a window management class.
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Prima::Widget Tags

widget Perl module window window management Prima Prima widget

Prima::Widget Description

Prima::Widget is a window management class. Prima::Widget is a window management class.SYNOPSIS # create a widget my $widget = Prima::Widget-> new( size => , color => cl::Green, visible => 0, onPaint => sub { my ($self,$canvas) = @_; $canvas-> clear; $canvas-> text_out( "Hello world!", 10, 10); }, ); # manipulate the widget $widget-> origin( 10, 10); $widget-> show;Prima::Widget is a descendant of Prima::Component, a class, especially crafted to reflect and govern properties of a system-dependent window, such as its position, hierarchy, outlook etc. Prima::Widget is mapped into the screen space as a rectangular area, with distinct boundaries, pointer and sometimes cursor, and a user-selectable input focus.USAGEPrima::Widget class and its descendants are used widely throughout the toolkit, and, indeed provide almost all its user interaction and input-output. The notification system, explained in Prima::Object, is employed in Prima::Widget heavily, providing the programmer with unified access to the system-generated events, that occur when the user moves windows, clicks the mouse, types the keyboard, etc. Descendants of Prima::Widget use the internal, the direct method of overriding the notifications, whereas end programs tend to use the toolkit widgets equipped with anonymous subroutines ( see Prima::Object for the details).The class functionality is much more extensive comparing to the other built-in classes, and therefore the explanations are grouped in several topics. Requirements: · Perl

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