You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
429 lines
11 KiB
429 lines
11 KiB
# -*- mode: TCL; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*-
|
|
#
|
|
# $Id: Primitiv.tcl,v 1.7 2004/03/28 02:44:57 hobbs Exp $
|
|
#
|
|
# Primitiv.tcl --
|
|
#
|
|
# This is the primitive widget. It is just a frame with proper
|
|
# inheritance wrapping. All new Tix widgets will be derived from
|
|
# this widget
|
|
#
|
|
# 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.
|
|
#
|
|
|
|
|
|
# No superclass, so the superclass switch is not used
|
|
#
|
|
#
|
|
tixWidgetClass tixPrimitive {
|
|
-virtual true
|
|
-superclass {}
|
|
-classname TixPrimitive
|
|
-method {
|
|
cget configure subwidget subwidgets
|
|
}
|
|
-flag {
|
|
-background -borderwidth -cursor
|
|
-height -highlightbackground -highlightcolor -highlightthickness
|
|
-options -relief -takefocus -width -bd -bg
|
|
}
|
|
-static {
|
|
-options
|
|
}
|
|
-configspec {
|
|
{-background background Background #d9d9d9}
|
|
{-borderwidth borderWidth BorderWidth 0}
|
|
{-cursor cursor Cursor ""}
|
|
{-height height Height 0}
|
|
{-highlightbackground highlightBackground HighlightBackground #c3c3c3}
|
|
{-highlightcolor highlightColor HighlightColor black}
|
|
{-highlightthickness highlightThickness HighlightThickness 0}
|
|
{-options options Options ""}
|
|
{-relief relief Relief flat}
|
|
{-takefocus takeFocus TakeFocus 0 tixVerifyBoolean}
|
|
{-width width Width 0}
|
|
}
|
|
-alias {
|
|
{-bd -borderwidth}
|
|
{-bg -background}
|
|
}
|
|
}
|
|
|
|
#----------------------------------------------------------------------
|
|
# ClassInitialization:
|
|
#----------------------------------------------------------------------
|
|
|
|
# not used
|
|
# Implemented in C
|
|
#
|
|
# Override: never
|
|
proc tixPrimitive:Constructor {w args} {
|
|
|
|
upvar #0 $w data
|
|
upvar #0 $data(className) classRec
|
|
|
|
# Set up some minimal items in the class record.
|
|
#
|
|
set data(w:root) $w
|
|
set data(rootCmd) $w:root
|
|
|
|
# We need to create the root widget in order to parse the options
|
|
# database
|
|
tixCallMethod $w CreateRootWidget
|
|
|
|
# Parse the default options from the options database
|
|
#
|
|
tixPrimitive:ParseDefaultOptions $w
|
|
|
|
# Parse the options supplied by the user
|
|
#
|
|
tixPrimitive:ParseUserOptions $w $args
|
|
|
|
# Rename the widget command so that it can be use to access
|
|
# the methods of this class
|
|
|
|
tixPrimitive:MkWidgetCmd $w
|
|
|
|
# Inistalize the Widget Record
|
|
#
|
|
tixCallMethod $w InitWidgetRec
|
|
|
|
# Construct the compound widget
|
|
#
|
|
tixCallMethod $w ConstructWidget
|
|
|
|
# Do the bindings
|
|
#
|
|
tixCallMethod $w SetBindings
|
|
|
|
# Call the configuration methods for all "force call" options
|
|
#
|
|
foreach option $classRec(forceCall) {
|
|
tixInt_ChangeOptions $w $option $data($option)
|
|
}
|
|
}
|
|
|
|
|
|
# Create only the root widget. We need the root widget to query the option
|
|
# database.
|
|
#
|
|
# Override: seldom. (unless you want to use a toplevel as root widget)
|
|
# Chain : never.
|
|
|
|
proc tixPrimitive:CreateRootWidget {w args} {
|
|
upvar #0 $w data
|
|
upvar #0 $data(className) classRec
|
|
|
|
frame $w -class $data(ClassName)
|
|
}
|
|
|
|
proc tixPrimitive:ParseDefaultOptions {w} {
|
|
upvar #0 $w data
|
|
upvar #0 $data(className) classRec
|
|
|
|
# SET UP THE INSTANCE RECORD ACCORDING TO DEFAULT VALUES IN
|
|
# THE OPTIONS DATABASE
|
|
#
|
|
foreach option $classRec(options) {
|
|
set spec [tixInt_GetOptionSpec $data(className) $option]
|
|
|
|
if {[lindex $spec 0] eq "="} {
|
|
continue
|
|
}
|
|
|
|
set o_name [lindex $spec 1]
|
|
set o_class [lindex $spec 2]
|
|
set o_default [lindex $spec 3]
|
|
|
|
if {![catch {option get $w $o_name $o_class} db_default]} {
|
|
if {$db_default ne ""} {
|
|
set data($option) $db_default
|
|
} else {
|
|
set data($option) $o_default
|
|
}
|
|
} else {
|
|
set data($option) $o_default
|
|
}
|
|
}
|
|
}
|
|
|
|
proc tixPrimitive:ParseUserOptions {w arglist} {
|
|
upvar #0 $w data
|
|
upvar #0 $data(className) classRec
|
|
|
|
# SET UP THE INSTANCE RECORD ACCORDING TO COMMAND ARGUMENTS FROM
|
|
# THE USER OF THE TIX LIBRARY (i.e. Application programmer:)
|
|
#
|
|
foreach {option arg} $arglist {
|
|
if {[lsearch $classRec(options) $option] != "-1"} {
|
|
set spec [tixInt_GetOptionSpec $data(className) $option]
|
|
|
|
if {[lindex $spec 0] ne "="} {
|
|
set data($option) $arg
|
|
} else {
|
|
set realOption [lindex $spec 1]
|
|
set data($realOption) $arg
|
|
}
|
|
} else {
|
|
error "unknown option $option. Should be: [tixInt_ListOptions $w]"
|
|
}
|
|
}
|
|
}
|
|
|
|
#----------------------------------------------------------------------
|
|
# Initialize the widget record
|
|
#
|
|
#
|
|
# Override: always
|
|
# Chain : always, before
|
|
proc tixPrimitive:InitWidgetRec {w} {
|
|
# default: do nothing
|
|
}
|
|
|
|
#----------------------------------------------------------------------
|
|
# SetBindings
|
|
#
|
|
#
|
|
# Override: sometimes
|
|
# Chain : sometimes, before
|
|
#
|
|
bind TixDestroyHandler <Destroy> {
|
|
[tixGetMethod %W [set %W(className)] Destructor] %W
|
|
}
|
|
|
|
proc tixPrimitive:SetBindings {w} {
|
|
upvar #0 $w data
|
|
|
|
if {[winfo toplevel $w] eq $w} {
|
|
bindtags $w [concat TixDestroyHandler [bindtags $w]]
|
|
} else {
|
|
bind $data(w:root) <Destroy> \
|
|
"[tixGetMethod $w $data(className) Destructor] $w"
|
|
}
|
|
}
|
|
|
|
#----------------------------------------------------------------------
|
|
# PrivateMethod: ConstructWidget
|
|
#
|
|
# Construct and set up the compound widget
|
|
#
|
|
# Override: sometimes
|
|
# Chain : sometimes, before
|
|
#
|
|
proc tixPrimitive:ConstructWidget {w} {
|
|
upvar #0 $w data
|
|
|
|
$data(rootCmd) config \
|
|
-background $data(-background) \
|
|
-borderwidth $data(-borderwidth) \
|
|
-cursor $data(-cursor) \
|
|
-relief $data(-relief)
|
|
|
|
if {$data(-width) != 0} {
|
|
$data(rootCmd) config -width $data(-width)
|
|
}
|
|
if {$data(-height) != 0} {
|
|
$data(rootCmd) config -height $data(-height)
|
|
}
|
|
|
|
set rootname *[string range $w 1 end]
|
|
|
|
foreach {spec value} $data(-options) {
|
|
option add $rootname*$spec $value 100
|
|
}
|
|
}
|
|
|
|
#----------------------------------------------------------------------
|
|
# PrivateMethod: MkWidgetCmd
|
|
#
|
|
# Construct and set up the compound widget
|
|
#
|
|
# Override: sometimes
|
|
# Chain : sometimes, before
|
|
#
|
|
proc tixPrimitive:MkWidgetCmd {w} {
|
|
upvar #0 $w data
|
|
|
|
rename $w $data(rootCmd)
|
|
tixInt_MkInstanceCmd $w
|
|
}
|
|
|
|
|
|
#----------------------------------------------------------------------
|
|
# ConfigOptions:
|
|
#----------------------------------------------------------------------
|
|
|
|
#----------------------------------------------------------------------
|
|
# ConfigMethod: config
|
|
#
|
|
# Configure one option.
|
|
#
|
|
# Override: always
|
|
# Chain : automatic.
|
|
#
|
|
# Note the hack of [winfo width] in this procedure
|
|
#
|
|
# The hack is necessary because of the bad interaction between TK's geometry
|
|
# manager (the packer) and the frame widget. The packer determines the size
|
|
# of the root widget of the ComboBox (a frame widget) according to the
|
|
# requirement of the slaves inside the frame widget, NOT the -width
|
|
# option of the frame widget.
|
|
#
|
|
# However, everytime the frame widget is
|
|
# configured, it sends a geometry request to the packer according to its
|
|
# -width and -height options and the packer will temporarily resize
|
|
# the frame widget according to the requested size! The packer then realizes
|
|
# something is wrong and revert to the size determined by the slaves. This
|
|
# cause a flash on the screen.
|
|
#
|
|
foreach opt {-height -width -background -borderwidth -cursor
|
|
-highlightbackground -highlightcolor -relief -takefocus -bd -bg} {
|
|
|
|
set tixPrimOpt($opt) 1
|
|
}
|
|
|
|
proc tixPrimitive:config {w option value} {
|
|
global tixPrimOpt
|
|
upvar #0 $w data
|
|
|
|
if {[info exists tixPrimOpt($option)]} {
|
|
$data(rootCmd) config $option $value
|
|
}
|
|
}
|
|
|
|
#----------------------------------------------------------------------
|
|
# PublicMethods:
|
|
#----------------------------------------------------------------------
|
|
|
|
#----------------------------------------------------------------------
|
|
# This method is used to implement the "subwidgets" widget command.
|
|
# Will be re-written in C. It can't be used as a public method because
|
|
# of the lame substring comparison routines used in tixClass.c
|
|
#
|
|
#
|
|
proc tixPrimitive:subwidgets {w type args} {
|
|
upvar #0 $w data
|
|
|
|
case $type {
|
|
-class {
|
|
set name [lindex $args 0]
|
|
set args [lrange $args 1 end]
|
|
# access subwidgets of a particular class
|
|
#
|
|
# note: if $name=="Frame", will *not return the root widget as well
|
|
#
|
|
set sub ""
|
|
foreach des [tixDescendants $w] {
|
|
if {[winfo class $des] eq $name} {
|
|
lappend sub $des
|
|
}
|
|
}
|
|
|
|
# Note: if the there is no subwidget of this class, does not
|
|
# cause any error.
|
|
#
|
|
if {$args eq ""} {
|
|
return $sub
|
|
} else {
|
|
foreach des $sub {
|
|
eval [linsert $args 0 $des]
|
|
}
|
|
return ""
|
|
}
|
|
}
|
|
-group {
|
|
set name [lindex $args 0]
|
|
set args [lrange $args 1 end]
|
|
# access subwidgets of a particular group
|
|
#
|
|
if {[info exists data(g:$name)]} {
|
|
if {$args eq ""} {
|
|
set ret ""
|
|
foreach item $data(g:$name) {
|
|
lappend ret $w.$item
|
|
}
|
|
return $ret
|
|
} else {
|
|
foreach item $data(g:$name) {
|
|
eval [linsert $args 0 $w.$item]
|
|
}
|
|
return ""
|
|
}
|
|
} else {
|
|
error "no such subwidget group $name"
|
|
}
|
|
}
|
|
-all {
|
|
set sub [tixDescendants $w]
|
|
|
|
if {$args eq ""} {
|
|
return $sub
|
|
} else {
|
|
foreach des $sub {
|
|
eval [linsert $args 0 $des]
|
|
}
|
|
return ""
|
|
}
|
|
}
|
|
default {
|
|
error "unknown flag $type, should be -all, -class or -group"
|
|
}
|
|
}
|
|
}
|
|
|
|
#----------------------------------------------------------------------
|
|
# PublicMethod: subwidget
|
|
#
|
|
# Access a subwidget withe a particular name
|
|
#
|
|
# Override: never
|
|
# Chain : never
|
|
#
|
|
# This is implemented in native C code in tixClass.c
|
|
#
|
|
proc tixPrimitive:subwidget {w name args} {
|
|
upvar #0 $w data
|
|
|
|
if {[info exists data(w:$name)]} {
|
|
if {$args eq ""} {
|
|
return $data(w:$name)
|
|
} else {
|
|
return [eval [linsert $args 0 $data(w:$name)]]
|
|
}
|
|
} else {
|
|
error "no such subwidget $name"
|
|
}
|
|
}
|
|
|
|
|
|
#----------------------------------------------------------------------
|
|
# PrivateMethods:
|
|
#----------------------------------------------------------------------
|
|
|
|
# delete the widget record and remove the command
|
|
#
|
|
proc tixPrimitive:Destructor {w} {
|
|
upvar #0 $w data
|
|
|
|
if {![info exists data(w:root)]} {
|
|
return
|
|
}
|
|
|
|
if {[llength [info commands $w]]} {
|
|
# remove the command
|
|
rename $w ""
|
|
}
|
|
|
|
if {[llength [info commands $data(rootCmd)]]} {
|
|
# remove the command of the root widget
|
|
rename $data(rootCmd) ""
|
|
}
|
|
|
|
# delete the widget record
|
|
catch {unset data}
|
|
}
|