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- # HListDD.tcl --
- #
- # !!! PRE-ALPHA CODE, NOT USED, DON'T USE !!!
- #
- # This file implements drag+drop for HList.
- #
- # Copyright (c) 1996, Expert Interface Technologies
- #
- # 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 "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"
-