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# -*- mode: TCL; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*-
#
# $Id: ChkList.tcl,v 1.6 2004/03/28 02:44:57 hobbs Exp $
#
# ChkList.tcl --
#
# This file implements the TixCheckList widget.
#
# Copyright (c) 1993-1999 Ioi Kim Lam.
# Copyright (c) 2000-2001 Tix Project Group.
# Copyright (c) 2004 ActiveState
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
tixWidgetClass tixCheckList {
-classname TixCheckList
-superclass tixTree
-method {
getselection getstatus setstatus
}
-flag {
-radio
}
-configspec {
{-radio radio Radio false tixVerifyBoolean}
{-ignoreinvoke ignoreInvoke IgnoreInvoke true tixVerifyBoolean}
}
-static {
-radio
}
-default {
{.scrollbar auto}
{.doubleClick false}
{*Scrollbar.takeFocus 0}
{*borderWidth 1}
{*hlist.background #c3c3c3}
{*hlist.drawBranch 1}
{*hlist.height 10}
{*hlist.highlightBackground #d9d9d9}
{*hlist.indicator 1}
{*hlist.indent 20}
{*hlist.itemType imagetext}
{*hlist.padX 3}
{*hlist.padY 0}
{*hlist.relief sunken}
{*hlist.takeFocus 1}
{*hlist.wideSelection 0}
{*hlist.width 20}
}
}
proc tixCheckList:InitWidgetRec {w} {
upvar #0 $w data
tixChainMethod $w InitWidgetRec
if {$data(-radio)} {
set data(selected) ""
}
}
#----------------------------------------------------------------------
#
# Widget commands
#
#----------------------------------------------------------------------
# Helper function for getselection
#
proc tixCheckList:GetSel {w var ent mode} {
upvar #0 $w data
upvar $var img
set ents ""
catch {
if {[$data(w:hlist) entrycget $ent -bitmap] eq $img($mode)} {
lappend ents $ent
}
}
foreach child [$data(w:hlist) info children $ent] {
set ents [concat $ents [tixCheckList:GetSel $w img $child $mode]]
}
return $ents
}
# Mode can be on, off, default
#
proc tixCheckList:getselection {w {mode on}} {
upvar #0 $w data
set img(on) [tix getbitmap ck_on]
set img(off) [tix getbitmap ck_off]
set img(default) [tix getbitmap ck_def]
set ents ""
foreach child [$data(w:hlist) info children] {
set ents [concat $ents [tixCheckList:GetSel $w img $child $mode]]
}
return $ents
}
proc tixCheckList:getstatus {w ent} {
upvar #0 $w data
if {[$data(w:hlist) entrycget $ent -itemtype] eq "imagetext"} {
set img(on) [tix getbitmap ck_on]
set img(off) [tix getbitmap ck_off]
set img(default) [tix getbitmap ck_def]
set bitmap [$data(w:hlist) entrycget $ent -bitmap]
if {$bitmap eq $img(on)} {
set status on
}
if {$bitmap eq $img(off)} {
set status off
}
if {$bitmap eq $img(default)} {
set status default
}
}
if {[info exists status]} {
return $status
} else {
return "none"
}
}
proc tixCheckList:setstatus {w ent {mode on}} {
upvar #0 $w data
if {$data(-radio)} {
set status [tixCheckList:getstatus $w $ent]
if {$status eq $mode} {
return
}
if {$mode eq "on"} {
if {$data(selected) != ""} {
tixCheckList:Select $w $data(selected) off
}
set data(selected) $ent
tixCheckList:Select $w $ent $mode
} elseif {$mode eq "off"} {
if {$data(selected) eq $ent} {
return
}
tixCheckList:Select $w $ent $mode
} else {
tixCheckList:Select $w $ent $mode
}
} else {
tixCheckList:Select $w $ent $mode
}
}
proc tixCheckList:Select {w ent mode} {
upvar #0 $w data
if {[$data(w:hlist) entrycget $ent -itemtype] eq "imagetext"} {
set img(on) ck_on
set img(off) ck_off
set img(default) ck_def
if [catch {
set bitmap [tix getbitmap $img($mode)]
$data(w:hlist) entryconfig $ent -bitmap $bitmap
}] {
# must be the "none" mode
#
catch {
$data(w:hlist) entryconfig $ent -bitmap ""
}
}
}
return $mode
}
proc tixCheckList:HandleCheck {w ent} {
upvar #0 $w data
if {[$data(w:hlist) entrycget $ent -itemtype] eq "imagetext"} {
set img(on) [tix getbitmap ck_on]
set img(off) [tix getbitmap ck_off]
set img(default) [tix getbitmap ck_def]
set curMode [tixCheckList:getstatus $w $ent]
case $curMode {
on {
tixCheckList:setstatus $w $ent off
}
off {
tixCheckList:setstatus $w $ent on
}
none {
return
}
default {
tixCheckList:setstatus $w $ent on
}
}
}
}
proc tixCheckList:Command {w B} {
upvar #0 $w data
upvar $B bind
set ent [tixEvent flag V]
tixCheckList:HandleCheck $w $ent
tixChainMethod $w Command $B
}
proc tixCheckList:BrowseCmd {w B} {
upvar #0 $w data
upvar $B bind
set ent [tixEvent flag V]
case [tixEvent type] {
{<ButtonPress-1> <space>} {
tixCheckList:HandleCheck $w $ent
}
}
tixChainMethod $w BrowseCmd $B
}
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