/usr/share/tcltk/tcl8.5/Tix8.4.3/DragDrop.tcl is in tix 8.4.3-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 | # -*- mode: TCL; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*-
#
# $Id: DragDrop.tcl,v 1.4 2001/12/09 05:04:02 idiscovery Exp $
#
# DragDrop.tcl ---
#
# Implements drag+drop for Tix widgets.
#
# Copyright (c) 1993-1999 Ioi Kim Lam.
# Copyright (c) 2000-2001 Tix Project Group.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
tixClass tixDragDropContext {
-superclass {}
-classname TixDragDropContext
-method {
cget configure drag drop set startdrag
}
-flag {
-command -source
}
-configspec {
{-command ""}
{-source ""}
}
}
proc tixDragDropContext:Constructor {w} {
upvar #0 $w data
}
#----------------------------------------------------------------------
# Private methods
#
#----------------------------------------------------------------------
proc tixDragDropContext:CallCommand {w target command X Y} {
upvar #0 $w data
set x [expr $X-[winfo rootx $target]]
set y [expr $Y-[winfo rooty $target]]
regsub %x $command $x command
regsub %y $command $y command
regsub %X $command $X command
regsub %Y $command $Y command
regsub %W $command $target command
regsub %S $command [list $data(-command)] command
eval $command
}
proc tixDragDropContext:Send {w target event X Y} {
upvar #0 $w data
global tixDrop
foreach tag [tixDropBindTags $target] {
if {[info exists tixDrop($tag,$event)]} {
tixDragDropContext:CallCommand $w $target \
$tixDrop($tag,$event) $X $Y
}
}
}
#----------------------------------------------------------------------
# set --
#
# Set the "small data" of the type supported by the source widget
#----------------------------------------------------------------------
proc tixDragDropContext:set {w type data} {
}
#----------------------------------------------------------------------
# startdrag --
#
# Start the dragging action
#----------------------------------------------------------------------
proc tixDragDropContext:startdrag {w x y} {
upvar #0 $w data
set data(oldTarget) ""
$data(-source) config -cursor "[tix getbitmap drop] black"
tixDragDropContext:drag $w $x $y
}
#----------------------------------------------------------------------
# drag --
#
# Continue the dragging action
#----------------------------------------------------------------------
proc tixDragDropContext:drag {w X Y} {
upvar #0 $w data
global tixDrop
set target [winfo containing -displayof $w $X $Y]
if {$target != $data(oldTarget)} {
if {$data(oldTarget) != ""} {
tixDragDropContext:Send $w $data(oldTarget) <Out> $X $Y
}
if {$target != ""} {
tixDragDropContext:Send $w $target <In> $X $Y
}
set data(oldTarget) $target
}
if {$target != ""} {
tixDragDropContext:Send $w $target <Over> $X $Y
}
}
proc tixDragDropContext:drop {w X Y} {
upvar #0 $w data
global tixDrop
set target [winfo containing -displayof $w $X $Y]
if {$target != ""} {
tixDragDropContext:Send $w $target <Drop> $X $Y
}
if {$data(-source) != ""} {
$data(-source) config -cursor ""
}
set data(-source) ""
}
#----------------------------------------------------------------------
# Public Procedures -- This is NOT a member of the tixDragDropContext
# class!
#
# parameters :
# $w: who wants to start dragging? (currently ignored)
#----------------------------------------------------------------------
proc tixGetDragDropContext {w} {
global tixDD
if {[info exists tixDD]} {
return tixDD
}
return [tixDragDropContext tixDD]
}
proc tixDropBind {w event command} {
global tixDrop
set tixDrop($w) 1
set tixDrop($w,$event) $command
}
proc tixDropBindTags {w args} {
global tixDropTags
if {$args == ""} {
if {[info exists tixDropTags($w)]} {
return $tixDropTags($w)
} else {
return [list [winfo class $w] $w]
}
} else {
set tixDropTags($w) $args
}
}
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