563 lines
21 KiB
Tcl
563 lines
21 KiB
Tcl
#
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# itclHullCmds.tcl
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# ----------------------------------------------------------------------
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# Invoked automatically upon startup to customize the interpreter
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# for [incr Tcl] when one of setupcomponent or createhull is called.
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# ----------------------------------------------------------------------
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# AUTHOR: Arnulf P. Wiedemann
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#
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# ----------------------------------------------------------------------
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# Copyright (c) 2008 Arnulf P. Wiedemann
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# ======================================================================
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# See the file "license.terms" for information on usage and
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# redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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package require Tk 8.6
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namespace eval ::itcl::internal::commands {
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# ======================= widgetDeleted ===========================
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proc widgetDeleted {oldName newName op} {
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# The widget is beeing deleted, so we have to delete the object
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# which had the widget as itcl_hull too!
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# We have to get the real name from for example
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# ::itcl::internal::widgets::hull1.lw
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# we need only .lw here
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#puts stderr "widgetDeleted!$oldName!$newName!$op!"
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set cmdName [namespace tail $oldName]
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set flds [split $cmdName {.}]
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set cmdName .[join [lrange $flds 1 end] {.}]
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#puts stderr "DELWIDGET![namespace current]!$cmdName![::info command $cmdName]!"
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rename $cmdName {}
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}
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}
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namespace eval ::itcl::builtin {
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# ======================= createhull ===========================
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# the hull widget is a tk widget which is the (mega) widget handled behind the itcl
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# extendedclass/itcl widget.
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# It is created be renaming the itcl class object to a temporary name <itcl object name>_
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# creating the widget with the
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# appropriate options and the installing that as the "hull" widget (the container)
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# All the options in args and the options delegated to component itcl_hull are used
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# Then a unique name (hull_widget_name) in the itcl namespace is created for widget:
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# ::itcl::internal::widgets::hull<unique number><namespace tail path>
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# and widget is renamed to that name
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# Finally the <itcl object name>_ is renamed to the original <itcl object name> again
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# Component itcl_hull is created if not existent
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# itcl_hull is set to the hull_widget_name and the <itcl object name>
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# is returned to the caller
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# ==============================================================
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proc createhull {widget_type path args} {
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variable hullCount
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upvar this this
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upvar win win
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#puts stderr "il-1![::info level -1]!$this!"
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#puts stderr "createhull!$widget_type!$path!$args!$this![::info command $this]!"
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#puts stderr "ns1![uplevel 1 namespace current]!"
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#puts stderr "ns2![uplevel 2 namespace current]!"
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#puts stderr "ns3![uplevel 3 namespace current]!"
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#puts stderr "level-1![::info level -1]!"
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#puts stderr "level-2![::info level -2]!"
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# set my_this [namespace tail $this]
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set my_this $this
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set tmp $my_this
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#puts stderr "II![::info command $this]![::info command $tmp]!"
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#puts stderr "rename1!rename $my_this ${tmp}_!"
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rename ::$my_this ${tmp}_
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set options [list]
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foreach {option_name value} $args {
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switch -glob -- $option_name {
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-class {
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lappend options $option_name [namespace tail $value]
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}
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-* {
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lappend options $option_name $value
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}
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default {
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return -code error "bad option name\"$option_name\" options must start with a \"-\""
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}
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}
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}
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set my_win [namespace tail $path]
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set cmd [list $widget_type $my_win]
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#puts stderr "my_win!$my_win!cmd!$cmd!$path!"
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if {[llength $options] > 0} {
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lappend cmd {*}$options
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}
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set widget [uplevel 1 $cmd]
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#puts stderr "widget!$widget!"
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trace add command $widget delete ::itcl::internal::commands::widgetDeleted
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set opts [uplevel 1 info delegated options]
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foreach entry $opts {
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foreach {optName compName} $entry break
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if {$compName eq "itcl_hull"} {
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set optInfos [uplevel 1 info delegated option $optName]
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set realOptName [lindex $optInfos 4]
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# strip off the "-" at the beginning
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set myOptName [string range $realOptName 1 end]
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set my_opt_val [option get $my_win $myOptName *]
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if {$my_opt_val ne ""} {
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$my_win configure -$myOptName $my_opt_val
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}
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}
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}
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set idx 1
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while {1} {
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set widgetName ::itcl::internal::widgets::hull${idx}$my_win
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#puts stderr "widgetName!$widgetName!"
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if {[string length [::info command $widgetName]] == 0} {
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break
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}
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incr idx
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}
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#puts stderr "rename2!rename $widget $widgetName!"
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set dorename 0
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rename $widget $widgetName
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#puts stderr "rename3!rename ${tmp}_ $tmp![::info command ${tmp}_]!my_this!$my_this!"
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rename ${tmp}_ ::$tmp
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set exists [uplevel 1 ::info exists itcl_hull]
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if {!$exists} {
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# that does not yet work, beacause of problems with resolving
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::itcl::addcomponent $my_this itcl_hull
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}
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upvar itcl_hull itcl_hull
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::itcl::setcomponent $my_this itcl_hull $widgetName
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#puts stderr "IC![::info command $my_win]!"
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set exists [uplevel 1 ::info exists itcl_interior]
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if {!$exists} {
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# that does not yet work, beacause of problems with resolving
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::itcl::addcomponent $this itcl_interior
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}
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upvar itcl_interior itcl_interior
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set itcl_interior $my_win
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#puts stderr "hull end!win!$win!itcl_hull!$itcl_hull!itcl_interior!$itcl_interior!"
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return $my_win
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}
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# ======================= addToItclOptions ===========================
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proc addToItclOptions {my_class my_win myOptions argsDict} {
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upvar win win
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upvar itcl_hull itcl_hull
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set opt_lst [list configure]
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foreach opt [lsort $myOptions] {
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#puts stderr "IOPT!$opt!$my_class!$my_win![::itcl::is class $my_class]!"
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set isClass [::itcl::is class $my_class]
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set found 0
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if {$isClass} {
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if {[catch {
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set resource [namespace eval $my_class info option $opt -resource]
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set class [namespace eval $my_class info option $opt -class]
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set default_val [uplevel 2 info option $opt -default]
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set found 1
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} msg]} {
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# puts stderr "MSG!$opt!$my_class!$msg!"
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}
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} else {
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set tmp_win [uplevel #0 $my_class .___xx]
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set my_info [$tmp_win configure $opt]
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set resource [lindex $my_info 1]
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set class [lindex $my_info 2]
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set default_val [lindex $my_info 3]
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uplevel #0 destroy $tmp_win
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set found 1
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}
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if {$found} {
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if {[catch {
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set val [uplevel #0 ::option get $win $resource $class]
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} msg]} {
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set val ""
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}
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if {[::dict exists $argsDict $opt]} {
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# we have an explicitly set option
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set val [::dict get $argsDict $opt]
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} else {
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if {[string length $val] == 0} {
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set val $default_val
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}
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}
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set ::itcl::internal::variables::${my_win}::itcl_options($opt) $val
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set ::itcl::internal::variables::${my_win}::__itcl_option_infos($opt) [list $resource $class $default_val]
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#puts stderr "OPT1!$opt!$val!"
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# uplevel 1 [list set itcl_options($opt) [list $val]]
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if {[catch {uplevel 1 $win configure $opt [list $val]} msg]} {
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#puts stderr "addToItclOptions ERR!$msg!$my_class!$win!configure!$opt!$val!"
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}
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}
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}
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}
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# ======================= setupcomponent ===========================
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proc setupcomponent {comp using widget_type path args} {
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upvar this this
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upvar win win
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upvar itcl_hull itcl_hull
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#puts stderr "setupcomponent!$comp!$widget_type!$path!$args!$this!$win!$itcl_hull!"
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#puts stderr "CONT![uplevel 1 info context]!"
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#puts stderr "ns1![uplevel 1 namespace current]!"
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#puts stderr "ns2![uplevel 2 namespace current]!"
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#puts stderr "ns3![uplevel 3 namespace current]!"
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set my_comp_object [lindex [uplevel 1 info context] 1]
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if {[::info exists ::itcl::internal::component_objects($my_comp_object)]} {
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set my_comp_object [set ::itcl::internal::component_objects($my_comp_object)]
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} else {
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set ::itcl::internal::component_objects($path) $my_comp_object
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}
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set options [list]
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foreach {option_name value} $args {
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switch -glob -- $option_name {
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-* {
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lappend options $option_name $value
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}
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default {
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return -code error "bad option name\"$option_name\" options must start with a \"-\""
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}
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}
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}
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if {[llength $args]} {
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set argsDict [dict create {*}$args]
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} else {
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set argsDict [dict create]
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}
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set cmd [list $widget_type $path]
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if {[llength $options] > 0} {
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lappend cmd {*}$options
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}
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#puts stderr "cmd0![::info command $widget_type]!$path![::info command $path]!"
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#puts stderr "cmd1!$cmd!"
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# set my_comp [uplevel 3 $cmd]
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set my_comp [uplevel #0 $cmd]
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#puts stderr 111![::info command $path]!
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::itcl::setcomponent $this $comp $my_comp
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set opts [uplevel 1 info delegated options]
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foreach entry $opts {
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foreach {optName compName} $entry break
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if {$compName eq $my_comp} {
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set optInfos [uplevel 1 info delegated option $optName]
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set realOptName [lindex $optInfos 4]
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# strip off the "-" at the beginning
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set myOptName [string range $realOptName 1 end]
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set my_opt_val [option get $my_win $myOptName *]
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if {$my_opt_val ne ""} {
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$my_comp configure -$myOptName $my_opt_val
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}
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}
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}
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set my_class $widget_type
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set my_parent_class [uplevel 1 namespace current]
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if {[catch {
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set myOptions [namespace eval $my_class {info classoptions}]
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} msg]} {
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set myOptions [list]
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}
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foreach entry [$path configure] {
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foreach {opt dummy1 dummy2 dummy3} $entry break
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lappend myOptions $opt
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}
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#puts stderr "OPTS!$myOptions!"
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addToItclOptions $widget_type $my_comp_object $myOptions $argsDict
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#puts stderr END!$path![::info command $path]!
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}
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proc itcl_initoptions {args} {
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puts stderr "ITCL_INITOPT!$args!"
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}
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# ======================= initoptions ===========================
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proc initoptions {args} {
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upvar win win
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upvar itcl_hull itcl_hull
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upvar itcl_option_components itcl_option_components
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#puts stderr "INITOPT!!$win!"
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if {[llength $args]} {
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set argsDict [dict create {*}$args]
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} else {
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set argsDict [dict create]
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}
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set my_class [uplevel 1 namespace current]
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set myOptions [namespace eval $my_class {info classoptions}]
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if {[dict exists $::itcl::internal::dicts::classComponents $my_class]} {
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set class_info_dict [dict get $::itcl::internal::dicts::classComponents $my_class]
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# set myOptions [lsort -unique [namespace eval $my_class {info options}]]
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foreach comp [uplevel 1 info components] {
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if {[dict exists $class_info_dict $comp -keptoptions]} {
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foreach my_opt [dict get $class_info_dict $comp -keptoptions] {
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if {[lsearch $myOptions $my_opt] < 0} {
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#puts stderr "KEOPT!$my_opt!"
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lappend myOptions $my_opt
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}
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}
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}
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}
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} else {
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set class_info_dict [list]
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}
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#puts stderr "OPTS!$win!$my_class![join [lsort $myOptions]] \n]!"
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set opt_lst [list configure]
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set my_win $win
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foreach opt [lsort $myOptions] {
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set found 0
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if {[catch {
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set resource [uplevel 1 info option $opt -resource]
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set class [uplevel 1 info option $opt -class]
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set default_val [uplevel 1 info option $opt -default]
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set found 1
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} msg]} {
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# puts stderr "MSG!$opt!$msg!"
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}
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#puts stderr "OPT!$opt!$found!"
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if {$found} {
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if {[catch {
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set val [uplevel #0 ::option get $my_win $resource $class]
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} msg]} {
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set val ""
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}
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if {[::dict exists $argsDict $opt]} {
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# we have an explicitly set option
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set val [::dict get $argsDict $opt]
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} else {
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if {[string length $val] == 0} {
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set val $default_val
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}
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}
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set ::itcl::internal::variables::${win}::itcl_options($opt) $val
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set ::itcl::internal::variables::${win}::__itcl_option_infos($opt) [list $resource $class $default_val]
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#puts stderr "OPT1!$opt!$val!"
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# uplevel 1 [list set itcl_options($opt) [list $val]]
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if {[catch {uplevel 1 $my_win configure $opt [list $val]} msg]} {
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puts stderr "initoptions ERR!$msg!$my_class!$my_win!configure!$opt!$val!"
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}
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}
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foreach comp [dict keys $class_info_dict] {
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#puts stderr "OPT1!$opt!$comp![dict get $class_info_dict $comp]!"
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if {[dict exists $class_info_dict $comp -keptoptions]} {
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if {[lsearch [dict get $class_info_dict $comp -keptoptions] $opt] >= 0} {
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if {$found == 0} {
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# we use the option value of the first component for setting
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# the option, as the components are traversed in the dict
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# depending on the ordering of the component creation!!
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set my_info [uplevel 1 \[set $comp\] configure $opt]
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set resource [lindex $my_info 1]
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set class [lindex $my_info 2]
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set default_val [lindex $my_info 3]
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set found 2
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set val [uplevel #0 ::option get $my_win $resource $class]
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if {[::dict exists $argsDict $opt]} {
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# we have an explicitly set option
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set val [::dict get $argsDict $opt]
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} else {
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if {[string length $val] == 0} {
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set val $default_val
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}
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}
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#puts stderr "OPT2!$opt!$val!"
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set ::itcl::internal::variables::${win}::itcl_options($opt) $val
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set ::itcl::internal::variables::${win}::__itcl_option_infos($opt) [list $resource $class $default_val]
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# uplevel 1 [list set itcl_options($opt) [list $val]]
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}
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if {[catch {uplevel 1 \[set $comp\] configure $opt [list $val]} msg]} {
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puts stderr "initoptions ERR2!$msg!$my_class!$comp!configure!$opt!$val!"
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}
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if {![uplevel 1 info exists itcl_option_components($opt)]} {
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set itcl_option_components($opt) [list]
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}
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if {[lsearch [set itcl_option_components($opt)] $comp] < 0} {
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if {![catch {
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set optval [uplevel 1 [list set itcl_options($opt)]]
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} msg3]} {
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uplevel 1 \[set $comp\] configure $opt $optval
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}
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lappend itcl_option_components($opt) $comp
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}
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}
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}
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}
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}
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# uplevel 1 $opt_lst
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}
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# ======================= setoptions ===========================
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proc setoptions {args} {
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#puts stderr "setOPT!!$args!"
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if {[llength $args]} {
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set argsDict [dict create {*}$args]
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} else {
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set argsDict [dict create]
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}
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set my_class [uplevel 1 namespace current]
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set myOptions [namespace eval $my_class {info options}]
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#puts stderr "OPTS!$win!$my_class![join [lsort $myOptions]] \n]!"
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set opt_lst [list configure]
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foreach opt [lsort $myOptions] {
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set found 0
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if {[catch {
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set resource [uplevel 1 info option $opt -resource]
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set class [uplevel 1 info option $opt -class]
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set default_val [uplevel 1 info option $opt -default]
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set found 1
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} msg]} {
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# puts stderr "MSG!$opt!$msg!"
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}
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#puts stderr "OPT!$opt!$found!"
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if {$found} {
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set val ""
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if {[::dict exists $argsDict $opt]} {
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# we have an explicitly set option
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set val [::dict get $argsDict $opt]
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} else {
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if {[string length $val] == 0} {
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set val $default_val
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}
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}
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set myObj [uplevel 1 set this]
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#puts stderr "myObj!$myObj!"
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set ::itcl::internal::variables::${myObj}::itcl_options($opt) $val
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set ::itcl::internal::variables::${myObj}::__itcl_option_infos($opt) [list $resource $class $default_val]
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#puts stderr "OPT1!$opt!$val!"
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uplevel 1 [list set itcl_options($opt) [list $val]]
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# if {[catch {uplevel 1 $myObj configure $opt [list $val]} msg]} {
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#puts stderr "initoptions ERR!$msg!$my_class!$my_win!configure!$opt!$val!"
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# }
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}
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}
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# uplevel 1 $opt_lst
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}
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# ========================= keepcomponentoption ======================
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# Invoked by Tcl during evaluating constructor whenever
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# the "keepcomponentoption" command is invoked to list the options
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# to be kept when an ::itcl::extendedclass component has been setup
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# for an object.
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#
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# It checks, for all arguments, if the opt is an option of that class
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# and of that component. If that is the case it adds the component name
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# to the list of components for that option.
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# The variable is the object variable: itcl_option_components($opt)
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#
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# Handles the following syntax:
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#
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# keepcomponentoption <componentName> <optionName> ?<optionName> ...?
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#
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# ======================================================================
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proc keepcomponentoption {args} {
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upvar win win
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upvar itcl_hull itcl_hull
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|
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set usage "wrong # args, should be: keepcomponentoption componentName optionName ?optionName ...?"
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|
|
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#puts stderr "KEEP!$args![uplevel 1 namespace current]!"
|
|
if {[llength $args] < 2} {
|
|
puts stderr $usage
|
|
return -code error
|
|
}
|
|
set my_hull [uplevel 1 set itcl_hull]
|
|
set my_class [uplevel 1 namespace current]
|
|
set comp [lindex $args 0]
|
|
set args [lrange $args 1 end]
|
|
set class_info_dict [dict get $::itcl::internal::dicts::classComponents $my_class]
|
|
if {![dict exists $class_info_dict $comp]} {
|
|
puts stderr "keepcomponentoption cannot find component \"$comp\""
|
|
return -code error
|
|
}
|
|
set class_comp_dict [dict get $class_info_dict $comp]
|
|
if {![dict exists $class_comp_dict -keptoptions]} {
|
|
dict set class_comp_dict -keptoptions [list]
|
|
}
|
|
foreach opt $args {
|
|
#puts stderr "KEEP!$opt!"
|
|
if {[string range $opt 0 0] ne "-"} {
|
|
puts stderr "keepcomponentoption: option must begin with a \"-\"!"
|
|
return -code error
|
|
}
|
|
if {[lsearch [dict get $class_comp_dict -keptoptions] $opt] < 0} {
|
|
dict lappend class_comp_dict -keptoptions $opt
|
|
}
|
|
}
|
|
if {![info exists ::itcl::internal::component_objects([lindex [uplevel 1 info context] 1])]} {
|
|
set comp_object $::itcl::internal::component_objects([lindex [uplevel 1 info context] 1])
|
|
} else {
|
|
set comp_object "unknown_comp_obj_$comp!"
|
|
}
|
|
dict set class_info_dict $comp $class_comp_dict
|
|
dict set ::itcl::internal::dicts::classComponents $my_class $class_info_dict
|
|
puts stderr "CLDI!$class_comp_dict!"
|
|
addToItclOptions $my_class $comp_object $args [list]
|
|
}
|
|
|
|
proc ignorecomponentoption {args} {
|
|
puts stderr "IGNORE_COMPONENT_OPTION!$args!"
|
|
}
|
|
|
|
proc renamecomponentoption {args} {
|
|
puts stderr "rename_COMPONENT_OPTION!$args!"
|
|
}
|
|
|
|
proc addoptioncomponent {args} {
|
|
puts stderr "ADD_OPTION_COMPONENT!$args!"
|
|
}
|
|
|
|
proc ignoreoptioncomponent {args} {
|
|
puts stderr "IGNORE_OPTION_COMPONENT!$args!"
|
|
}
|
|
|
|
proc renameoptioncomponent {args} {
|
|
puts stderr "RENAME_OPTION_COMPONENT!$args!"
|
|
}
|
|
|
|
proc getEclassOptions {args} {
|
|
upvar win win
|
|
|
|
#puts stderr "getEclassOptions!$args!$win![uplevel 1 namespace current]!"
|
|
#parray ::itcl::internal::variables::${win}::itcl_options
|
|
set result [list]
|
|
foreach opt [array names ::itcl::internal::variables::${win}::itcl_options] {
|
|
if {[catch {
|
|
foreach {res cls def} [set ::itcl::internal::variables::${win}::__itcl_option_infos($opt)] break
|
|
lappend result [list $opt $res $cls $def [set ::itcl::internal::variables::${win}::itcl_options($opt)]]
|
|
} msg]} {
|
|
}
|
|
}
|
|
return $result
|
|
}
|
|
|
|
proc eclassConfigure {args} {
|
|
upvar win win
|
|
|
|
#puts stderr "+++ eclassConfigure!$args!"
|
|
if {[llength $args] > 1} {
|
|
foreach {opt val} $args break
|
|
if {[::info exists ::itcl::internal::variables::${win}::itcl_options($opt)]} {
|
|
set ::itcl::internal::variables::${win}::itcl_options($opt) $val
|
|
return
|
|
}
|
|
} else {
|
|
foreach {opt} $args break
|
|
if {[::info exists ::itcl::internal::variables::${win}::itcl_options($opt)]} {
|
|
#puts stderr "OP![set ::itcl::internal::variables::${win}::itcl_options($opt)]!"
|
|
foreach {res cls def} [set ::itcl::internal::variables::${win}::__itcl_option_infos($opt)] break
|
|
return [list $opt $res $cls $def [set ::itcl::internal::variables::${win}::itcl_options($opt)]]
|
|
}
|
|
}
|
|
return -code error
|
|
}
|
|
|
|
}
|