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# This is a part of LinuxCNC
# Copyright 2006-2009 Jeff Epler <jepler@unpythonic.net>
#
# 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
namespace eval linuxcnc {
variable HOME @EMC2_HOME@
variable BIN_DIR @EMC2_BIN_DIR@
variable TCL_DIR @EMC2_TCL_DIR@
variable TCL_LIB_DIR @EMC2_TCL_LIB_DIR@
variable TCL_BIN_DIR @EMC2_TCL_DIR@/bin
variable TCL_SCRIPT_DIR @EMC2_TCL_DIR@/scripts
variable HELP_DIR @EMC2_HELP_DIR@
variable RTLIB_DIR @EMC2_RTLIB_DIR@
variable CONFIG_PATH {@LINUXCNC_CONFIG_PATH@}
variable NCFILES_DIR @EMC2_NCFILES_DIR@
variable LANG_DIR @EMC2_LANG_DIR@
variable IMAGEDIR @EMC2_IMAGE_DIR@
variable REALTIME @REALTIME@
variable SIMULATOR @SIMULATOR@
variable CONFIG_DIR {}
foreach _dir [split {@LINUXCNC_CONFIG_PATH@} :] {
lappend CONFIG_DIR [file normalize $_dir]
}
unset _dir
variable USER_CONFIG_DIR [lindex $CONFIG_DIR 0]
variable _langinit 1
}
if {[string first $::linuxcnc::BIN_DIR: $env(PATH)] != 0} {
set env(PATH) $::linuxcnc::BIN_DIR:$env(PATH)
}
proc linuxcnc::image_search i {
set paths "$linuxcnc::IMAGEDIR $linuxcnc::HOME $linuxcnc::HOME/etc/linuxcnc /etc/linuxcnc ."
foreach f $paths {
if [file exists $f/$i] {
return [image create photo -file $f/$i]
}
if [file exists $f/$i.gif] {
return [image create photo -file $f/$i.gif]
}
}
error "image $i is not available"
}
load [file join [file dirname [info script]] linuxcnc[info sharedlibextension]]
# Arrange to load hal.so when the 'hal' command is requested
proc hal {args} {
load $::linuxcnc::TCL_LIB_DIR/hal.so
eval hal $args
}
# Internationalisation (i18n)
# in order to use i18n, all the strings will be called [msgcat::mc "string-foo"]
# instead of "string-foo".
# Thus msgcat searches for a translation of the string, and in case one isn't
# found, the original string is used.
# In order to properly use locale's the env variable LANG is queried.
# If LANG is defined, then the folder src/po is searched for files
# called *.msg, (e.g. en_US.msg).
package require msgcat
if {$linuxcnc::_langinit && [info exists env(LANG)]} {
msgcat::mclocale $env(LANG)
msgcat::mcload $linuxcnc::LANG_DIR
set linuxcnc::_langinit 0
}
proc linuxcnc::standard_font_size {} {
if {[info exists ::linuxcnc::standard_font_size]} { return $::linuxcnc::standard_font_size }
set res1 [catch {exec gconftool -g /desktop/gnome/font_rendering/dpi} gnome_dpi]
set res2 [catch {exec xlsfonts -fn -adobe-helvetica-medium-r-normal--*-*-*-*-p-*-iso10646-1} fonts]
if {$res1 == 0 && $res2 == 0} {
set pixels [expr {$gnome_dpi / 8.}]
set min_diff [expr .2*$pixels]
set best_size [expr {int($pixels)}]
foreach f $fonts {
regexp -- {-.*?-.*?-.*?-.*?-.*?-.*?-(.*?)-.*} $f _ sz
set diff [expr {abs($pixels - $sz)}]
if {$diff < $min_diff} {
set min_diff $diff
set best_size $sz
}
}
return -$best_size
set ::linuxcnc::standard_font_size -$best_size
} else {
set ::linuxcnc::standard_font_size 12
}
}
proc linuxcnc::standard_font_family {} {
if {[lsearch [font names] TkDefaultFont] != -1} {
return [font configure TkDefaultFont -family]
}
return Helvetica
}
proc linuxcnc::standard_font {} {
if {[lsearch [font names] TkDefaultFont] != -1} { return TkDefaultFont }
list [standard_font_family] [standard_font_size]
}
proc linuxcnc::standard_fixed_font_family {} {
if {[lsearch [font names] TkFixedFont] != -1} {
return [font configure TkFixedFont -family]
}
return Courier
}
proc linuxcnc::standard_fixed_font {} {
if {[lsearch [font names] TkFixedFont] != -1} { return TkFixedFont }
set sz [standard_font_size]
if {$sz < 0 && $sz >= -12 && [lsearch [font families] fixed] != -1} {
return fixed
}
list [standard_fixed_font_family] [standard_font_size]
}
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