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# -*- mode: TCL; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*-
#
# $Id: HListDD.tcl,v 1.3 2001/12/09 05:04:02 idiscovery Exp $
#
# HListDD.tcl --
#
# !!! PRE-ALPHA CODE, NOT USED, DON'T USE !!!
#
# This file implements drag+drop for HList.
#
# 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.
#
#
# events
#
#
proc tixHListSingle:DragTimer {w ent} {
case [tixHListSingle:GetState $w] {
{1} {
# fire up
}
}
}
#----------------------------------------------------------------------
#
# Drag + Drop Bindings
#
#----------------------------------------------------------------------
#----------------------------------------#
# Sending Actions #
#----------------------------------------#
#----------------------------------------------------------------------
# tixHListSingle:Send:WaitDrag --
#
# Sender wait for dragging action
#----------------------------------------------------------------------
proc tixHListSingle:Send:WaitDrag {w x y} {
global tixPriv
set ent [tixHListSingle:GetNearest $w $y]
if {$ent != ""} {
$w anchor set $ent
$w select clear
$w select set $ent
set tixPriv(dd,$w:moved) 0
set tixPriv(dd,$w:entry) $ent
# set browsecmd [$w cget -browsecmd]
# if {$browsecmd != "" && $ent != ""} {
# eval $browsecmd $ent
# }
}
}
proc tixHListSingle:Send:StartDrag {w x y} {
global tixPriv
set dd [tixGetDragDropContext $w]
if {![info exists tixPriv(dd,$w:entry)]} {
return
}
if {$tixPriv(dd,$w:entry) == ""} {
return
}
if {$tixPriv(dd,$w:moved) == 0} {
$w dragsite set $tixPriv(dd,$w:entry)
set tixPriv(dd,$w:moved) 1
$dd config -source $w -command [list tixHListSingle:Send:Cmd $w]
$dd startdrag $X $Y
} else {
$dd drag $X $Y
}
}
proc tixHListSingle:Send:DoneDrag {w x y} {
global tixPriv
global moved
if {![info exists tixPriv(dd,$w:entry)]} {
return
}
if {$tixPriv(dd,$w:entry) == ""} {
return
}
if {$tixPriv(dd,$w:moved) == 1} {
set dd [tixGetDragDropContext $w]
$dd drop $X $Y
}
$w dragsite clear
catch {unset tixPriv(dd,$w:moved)}
catch {unset tixPriv(dd,$w:entry)}
}
proc tixHListSingle:Send:Cmd {w option args} {
set dragCmd [$w cget -dragcmd]
if {$dragCmd != ""} {
return [eval $dragCmd $option $args]
}
# Perform the default action
#
case "$option" {
who {
return $w
}
types {
return {data text}
}
get {
global tixPriv
if {[lindex $args 0] == "text"} {
if {$tixPriv(dd,$w:entry) != ""} {
return [$w entrycget $tixPriv(dd,$w:entry) -text]
}
}
if {[lindex $args 0] == "data"} {
if {$tixPriv(dd,$w:entry) != ""} {
return [$w entrycget $tixPriv(dd,$w:entry) -data]
}
}
}
}
}
#----------------------------------------#
# Receiving Actions #
#----------------------------------------#
proc tixHListSingle:Rec:DragOver {w sender x y} {
if {[$w cget -selectmode] != "dragdrop"} {
return
}
set ent [tixHListSingle:GetNearest $w $y]
if {$ent != ""} {
$w dropsite set $ent
} else {
$w dropsite clear
}
}
proc tixHListSingle:Rec:DragIn {w sender x y} {
if {[$w cget -selectmode] != "dragdrop"} {
return
}
set ent [tixHListSingle:GetNearest $w $y]
if {$ent != ""} {
$w dropsite set $ent
} else {
$w dropsite clear
}
}
proc tixHListSingle:Rec:DragOut {w sender x y} {
if {[$w cget -selectmode] != "dragdrop"} {
return
}
$w dropsite clear
}
proc tixHListSingle:Rec:Drop {w sender x y} {
if {[$w cget -selectmode] != "dragdrop"} {
return
}
$w dropsite clear
set ent [tixHListSingle:GetNearest $w $y]
if {$ent != ""} {
$w anchor set $ent
$w select clear
$w select set $ent
}
set dropCmd [$w cget -dropcmd]
if {$dropCmd != ""} {
eval $dropCmd $sender $x $y
return
}
# set browsecmd [$w cget -browsecmd]
# if {$browsecmd != "" && $ent != ""} {
# eval $browsecmd [list $ent]
# }
}
tixDropBind TixHListSingle <In> "tixHListSingle:Rec:DragIn %W %S %x %y"
tixDropBind TixHListSingle <Over> "tixHListSingle:Rec:DragOver %W %S %x %y"
tixDropBind TixHListSingle <Out> "tixHListSingle:Rec:DragOut %W %S %x %y"
tixDropBind TixHListSingle <Drop> "tixHListSingle:Rec:Drop %W %S %x %y"