.\" -*- mode: troff; coding: utf-8 -*- .\" Automatically generated by Pod::Man 5.01 (Pod::Simple 3.43) .\" .\" Standard preamble: .\" ======================================================================== .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" \*(C` and \*(C' are quotes in nroff, nothing in troff, for use with C<>. .ie n \{\ . ds C` "" . ds C' "" 'br\} .el\{\ . ds C` . ds C' 'br\} .\" .\" Escape single quotes in literal strings from groff's Unicode transform. .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" .\" If the F register is >0, we'll generate index entries on stderr for .\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index .\" entries marked with X<> in POD. Of course, you'll have to process the .\" output yourself in some meaningful fashion. .\" .\" Avoid warning from groff about undefined register 'F'. .de IX .. .nr rF 0 .if \n(.g .if rF .nr rF 1 .if (\n(rF:(\n(.g==0)) \{\ . if \nF \{\ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . if !\nF==2 \{\ . nr % 0 . nr F 2 . \} . \} .\} .rr rF .\" ======================================================================== .\" .IX Title "TriD::ButtonControl 3pm" .TH TriD::ButtonControl 3pm 2024-02-05 "perl v5.38.2" "User Contributed Perl Documentation" .\" For nroff, turn off justification. Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH NAME PDL::Graphics::TriD::ButtonControl \- default event handler subroutines .SH FUNCTIONS .IX Header "FUNCTIONS" .SS \fBnew()\fP .IX Subsection "new()" Bless an oject into the class ButtonControl, expects the associated Window object to be supplied as an argument. .PP The ButtonControl class is a base class which all TriD event controllers should inherit from. By itself it does not do much. It defines ButtonPress and ButtonRelease functions which are expected by the Event loop. .SS mouse_moved .IX Subsection "mouse_moved" A do-nothing function to prevent errors if not defined in a subclass .SS ButtonRelease .IX Subsection "ButtonRelease" A do nothing function to prevent errors if not defined in a subclass .SS ButtonPress .IX Subsection "ButtonPress" Activates the viewport the mouse is inside when pressed .SS set_wh .IX Subsection "set_wh" Define the width and Height of the window for button control