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# Servicons.tcl --
#
# This file is part of The Coccinella application.
# It implements handling and parsing of service (disco) icons.
# Icons are specified as in
# http://www.xmpp.org/registrar/disco-categories.html
# where elements like <identity category='client' type='web'/>
# are mapped to a lookup key client/web and so on.
#
# Copyright (c) 2005-2008 Mats Bengtsson
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# $Id: Servicons.tcl,v 1.21 2008-06-09 09:51:00 matben Exp $
# @@@ TODO: Make servicon sets configurable. See Rosticons.
package require Icondef
package provide Servicons 1.0
namespace eval ::Servicons {
# Other init hooks depend on us!
::hooks::register initHook ::Servicons::ThemeInitHook 20
::hooks::register themeChangedHook ::Servicons::ThemeChangedHook
# 'imagesD' contains all available mappings from 'category' and 'type'
# to images, even if they aren't used.
variable imagesD [dict create]
# 'tmpImagesD' is for temporary storage only (preferences) and maps
# from 'themeName', 'category', and 'type' to images.
variable tmpImagesD [dict create]
variable stateD [dict create]
variable alias
array set alias {
services/jabber server/im
pubsub/generic pubsub/service
search/text directory/user
}
}
proc ::Servicons::ThemeInitHook {} {
global jprefs
variable priv
variable stateD
# @@@ TODO
set jprefs(disco,themeName) ""
set names [::Theme::GetAllWithFilter service]
}
# Idea for custom themes different from major theme selection:
# 1) Must have image auto naming or name them ourself.
# 2) Search icons as:
# set paths [list [::Theme::GetPath $jprefs(disco,themeName)] \
# [::Theme::GetPresentSearchPaths]
# set image [::Theme::MakeIconFromPaths $spec $name $paths]
# 3) Naming can be as: ::service::$pec
# 4) When switching theme then just delete all ::service::* images.
# 5) As an elternative just let 'imagesD' be a cache for image names
# created for a specific theme and then delete them when switched to
# a new theme. Or have some image copy mechanism from new to old.
proc ::Servicons::ThemeGet {key} {
variable imagesD
variable priv
variable alias
set key [string map [array get alias] $key]
lassign [split $key /] category type
# This is a fast lookup mechanism.
if {[dict exists $imagesD $category $type]} {
return [dict get $imagesD $category $type]
}
# gadu-gadu shall map to gadugadu but only for image lookup.
set mtype [string map {"-" ""} $type]
if {$category eq "gateway"} {
set spec icons/16x16/protocol-$mtype
} else {
set spec icons/16x16/service-$category-$mtype
}
set image [::Theme::FindIcon $spec]
if {$image ne ""} {
dict set imagesD $category $type $image
}
return $image
}
proc ::Servicons::ThemeGetFromTypeList {typeL} {
set len [llength $typeL]
if {$len == 0} {
return
} elseif {$len == 1} {
return [ThemeGet [lindex $typeL 0]]
} else {
# Do a priority lookup.
foreach cat {server gateway} {
set service [lsearch -glob -inline $typeL $cat/*]
if {$service ne ""} {
return [ThemeGet $service]
}
}
foreach type $typeL {
set image [ThemeGet $type]
if {$image ne ""} {
return $image
}
}
}
return
}
proc ::Servicons::ThemeChangedHook {} {
variable imagesD
# We must clear out our cached info since that is outdated.
# NB: We never delete any iamges.
unset imagesD
set imagesD [dict create]
}
#-------------------------------------------------------------------------------
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