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# Global preference class implementation for Insight.
# Copyright (C) 1997, 1998, 1999, 2002, 2003, 2004, 2008 Red Hat
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License (GPL) 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.
# ----------------------------------------------------------------------
# Implements Global preferences dialog
#
# ----------------------------------------------------------------------
# ------------------------------------------------------------------
# METHOD: _init - set up the tracing labels info
# ------------------------------------------------------------------
itcl::body GlobalPref::_init {} {
if {$inited} {
return
}
set inited 1
array set tracing_labels {
0 "Tracing features disabled"
1 "Tracing features enabled"
max_len 0
}
foreach elem [array names tracing_labels] {
set len [string length $tracing_labels($elem)]
set tracing_labels(max_len) \
[expr $len > $tracing_labels(max_len) ? $len : $tracing_labels(max_len) ]
}
}
# ------------------------------------------------------------------
# METHOD: init_var - initialize preference variables
# ------------------------------------------------------------------
itcl::body GlobalPref::_init_var {} {
set vlist {gdb/ImageDir gdb/console/wrap gdb/mode gdb/use_icons gdb/compat gdb/use_color_schemes}
foreach var $vlist {
set _saved($var) [pref get $var]
set _new($var) $_saved($var)
}
}
# ------------------------------------------------------------------
# METHOD: constructor - create the Global Preferences object
# ------------------------------------------------------------------
itcl::body GlobalPref::constructor {args} {
window_name "Global Preferences"
_init
_init_var
_build_win
eval itk_initialize $args
}
# ------------------------------------------------------------------
# METHOD: destructor - destroy the Global Preferences object
# ------------------------------------------------------------------
itcl::body GlobalPref::destructor {} {
foreach thunk $_fonts {
font delete test-$thunk-font
}
}
# ------------------------------------------------------------------
# METHOD: _build_win - build the dialog
# ------------------------------------------------------------------
itcl::body GlobalPref::_build_win {} {
global gdbtk_platform GDBTK_LIBRARY
debug
frame $itk_interior.f
frame $itk_interior.x
set frame $itk_interior.f
# Icons
frame $frame.icons
label $frame.icons.lab -text "Icons "
combobox::combobox $frame.icons.cb -editable 0 -maxheight 10\
-command [code $this _change_icons] -bg $::Colors(textbg)
# get list of icon directories
set curdir [pwd]
set _icondirlist ""
cd $GDBTK_LIBRARY
foreach foo [glob -- *] {
if {[file isdirectory $foo] && [file exists [file join $foo "icons.txt"]]} {
lappend _icondirlist $foo
}
}
set width 14
# load combobox
foreach dir $_icondirlist {
if {![string compare $dir $_saved(gdb/ImageDir)]} {
set cdir 1
} else {
set cdir 0
}
set foo [file join $dir "icons.txt"]
if {[catch {::open $foo r} fid]} {
# failed
dbug E "couldn't open $foo:$fid"
if {$cdir} {$frame.icons.cb entryset "unknown icons"}
$frame.icons.cb list insert end "unknown icons"
} else {
if {[gets $fid txt] >= 0} {
if {$cdir} {$frame.icons.cb entryset $txt}
if {[string length $txt] > $width} {set width [string length $txt]}
$frame.icons.cb list insert end $txt
} else {
if {$cdir} {$frame.icons.cb entryset "unknown icons"}
$frame.icons.cb list insert end "unknown icons"
}
close $fid
}
}
$frame.icons.cb configure -width $width
cd $curdir
# searching for fixed font families take a long time
# therefore, we cache the font names. The font cache
# can be saved in the init file. A way should be provided
# to rescan the font list, without deleting the entry from the
# init file.
set font_cache [pref get gdb/font_cache]
# get list of fonts, removing some that typically
# are not useful or cause tk problems
set fam [lremove [font families] "open look glyph"]
set fam [lremove $fam "open look cursor"]
set fam [lremove $fam "song ti"]
set fam [lremove $fam "clearlyu"]
set fam [lremove $fam "clearlyu alternate glyphs"]
set fam [lremove $fam "clearlyu arabic extra"]
set fam [lremove $fam "clearlyu ligature"]
set fam [lremove $fam "clearlyu pua"]
set fam [lremove $fam "fangsong ti"]
set fam [lremove $fam "newspaper"]
set fam [lremove $fam "palatino linotype"]
set fam [lsort $fam]
if {$font_cache == ""} {
if {$gdbtk_platform(platform) == "unix"} {
toplevel .c
wm title .c "Scanning for fonts"
message .c.m -width 3i -text "Scanning system for fonts\n\nPlease wait..." \
-relief flat -padx 30 -pady 30 \
-bg [pref get gdb/global_prefs/message_bg] \
-fg [pref get gdb/global_prefs/message_fg]
::update
pack .c.m
focus .c
::raise .c
::update
}
foreach fn $fam {
if {[font metrics [list $fn] -fixed] == 1} {
lappend font_cache $fn
}
}
pref set gdb/font_cache $font_cache
if {[winfo exists .c]} { destroy .c }
}
Labelledframe $frame.d -text "Fonts"
set f [$frame.d get_frame]
_make_font_item $f fixed "Fixed Font:" $font_cache
if {$gdbtk_platform(platform) != "windows"} {
# Cannot change the windows menu font ourselves
_make_font_item $f menu "Menu Font:" $fam
}
_make_font_item $f default "Default Font:" $fam
_make_font_item $f status "Status Bar Font:" $fam
iwidgets::Labeledframe $frame.misc -labelpos nw -labeltext "Misc"
set f [$frame.misc childsite]
# This is the tracing preference
set tracing_cb [pref get gdb/mode]
if { ![info exists tracing_labels($tracing_cb)]} {
dbug E "Got unknown mode value: $tracing_cb"
set tracing_labels($tracing_cb) "Unknown gdb mode..."
}
checkbutton $f.tracing -variable [scope _new(gdb/mode)] \
-text $tracing_labels($tracing_cb) \
-command [code $this _toggle_tracing $f.tracing] \
-width $tracing_labels(max_len) -anchor w
# use_icons
if {$gdbtk_platform(platform) == "unix"} {
checkbutton $f.use_icons \
-text "Use builtin image as icon." -variable [scope _new(gdb/use_icons)]
}
# console wrap
checkbutton $f.consolewrap -text "Wrap text in console window" \
-variable [scope _new(gdb/console/wrap)]
# colored backgrounds
checkbutton $f.use_cs -text "Enable Color Schemes" \
-variable [scope _new(gdb/use_color_schemes)]
grid $f.tracing -sticky w -padx 5 -pady 5
if {$gdbtk_platform(platform) == "unix"} {
grid $f.use_icons -sticky w -padx 5 -pady 5
}
grid $f.consolewrap -sticky w -padx 5 -pady 5
grid $f.use_cs -sticky w -padx 5 -pady 5
if {$gdbtk_platform(platform) == "unix"} {
# Compatibility frame
iwidgets::Labeledframe $frame.compat -labelpos nw -labeltext "OS Compatibility"
set fc [$frame.compat childsite]
radiobutton $fc.0 -text "GNOME" -value "GNOME" -variable [scope _new(gdb/compat)]
radiobutton $fc.1 -text "KDE" -value "KDE" -variable [scope _new(gdb/compat)]
radiobutton $fc.2 -text "default" -value "default" -variable [scope _new(gdb/compat)]
grid $fc.0 -sticky w -padx 5 -pady 5
grid $fc.1 -sticky w -padx 5 -pady 5
grid $fc.2 -sticky w -padx 5 -pady 5
grid [label $fc.warn -text "Restart required for all\nchanges to take effect"] -sticky w
}
# pack it all
pack $frame.icons.lab $frame.icons.cb -side left
grid $frame.icons x -sticky w -pady 10
grid $frame.d -columnspan 2 -sticky w
if {$gdbtk_platform(platform) == "unix"} {
grid $frame.compat $frame.misc -sticky we
} else {
grid $frame.misc x -sticky we
}
# make buttons
button $itk_interior.x.ok -text OK -underline 0 -width 7 -command [code $this _ok]
button $itk_interior.x.apply -text Apply -width 7 -underline 0 -command [code $this _apply]
button $itk_interior.x.cancel -text Cancel -width 7 -underline 0 -command [code $this _cancel]
pack $itk_interior.x.ok $itk_interior.x.apply $itk_interior.x.cancel -side left
standard_button_box $itk_interior.x
pack $itk_interior.x -fill x -padx 5 -pady 5 -side bottom
pack $itk_interior.f -fill both -expand yes -padx 5 -pady 5
bind $itk_interior.x.ok <Return> \
"$itk_interior.x.ok flash; $itk_interior.x.ok invoke"
focus $itk_interior.x.ok
# We don't want the window flashing around as we change the fonts...
::update idletasks
_resize_font_item_height
pack propagate $itk_interior.f 0
}
# ------------------------------------------------------------------
# PRIVATE METHOD: _make_font_item
# ------------------------------------------------------------------
itcl::body GlobalPref::_make_font_item {f name label font_list} {
# create ComboBox with font name
lappend _fonts $name
set _original($name,family) [font actual global/$name -family]
set _original($name,size) [font actual global/$name -size]
font create test-$name-font -family $_original($name,family) \
-size $_original($name,size)
label $f.${name}x -text $label
combobox::combobox $f.${name}n -editable 0 -value $_original($name,family) \
-command [code $this _change_font $name] -bg $::Colors(textbg)
foreach a $font_list {
$f.${name}n list insert end $a
}
itk_component add $name-size {
iwidgets::spinint $f.${name}s -labeltext "Size:" -range {6 18} -step 1 \
-fixed 2 -width 2 -textvariable [scope _size($name)] -wrap 0 \
-increment [code $this _change_size up $name] \
-decrement [code $this _change_size down $name] \
-textbackground $::Colors(textbg)
} {}
label $f.${name}l -text ABCDEFabcdef0123456789 -font test-$name-font
set _size($name) $_original($name,size)
grid $f.${name}x $f.${name}n $f.${name}s $f.${name}l -sticky we -padx 5 -pady 5
grid columnconfigure $f 3 -weight 1
}
# ------------------------------------------------------------------
# PRIVATE METHOD: _resize_font_item_height
# ------------------------------------------------------------------
itcl::body GlobalPref::_resize_font_item_height {} {
foreach font $_fonts {
set master [$itk_interior.f.d get_frame]
set row [gridCGet $master.${font}l -row]
grid rowconfigure $master $row -minsize [lindex [grid bbox $master 0 $row 3 $row ] 3]
}
}
# ------------------------------------------------------------------
# PRIVATE METHOD: _change_icons
# ------------------------------------------------------------------
itcl::body GlobalPref::_change_icons {w args} {
set index [$w curselection]
if {$index != ""} {
set _new(gdb/ImageDir) [lindex $_icondirlist $index]
}
}
# ------------------------------------------------------------------
# NAME: private method GlobalPref::_change_font
# DESCRIPTION: Change the given font's family
#
# ARGUMENTS:
# font - the font whose family is to be
# changed
# stupid - the comobox widget which changed
# implementation - the new value of the combobox
# RETURNS: Nothing
#
# NOTES: The combobox has a really non-standard callback
# mechanism: it always adds two args to the callback.
# ------------------------------------------------------------------
itcl::body GlobalPref::_change_font {font stupid implementation} {
font configure test-$font-font -family $implementation
}
# ------------------------------------------------------------------
# NAME: private method GlobalPref::_change_size
# DESCRIPTION: Change the given font's size
#
# ARGUMENTS:
# direction - the direction of the change (up/down)
# font - the font that is changing
# RETURNS: Nothing
#
# NOTES: See comments for purpose of "direction". Sigh.
# ------------------------------------------------------------------
itcl::body GlobalPref::_change_size {direction font} {
# Almost as stupid as the comobox, the iwidgets::spinint class
# will not treat its -increment and -decrement commands
# as command callbacks. Instead it OVERRIDES all behavior.
# Thus, we need to call the stupid spinint's callback.
$itk_component($font-size) $direction
font configure test-$font-font -size $_size($font)
}
itcl::body GlobalPref::_toggle_tracing {win} {
debug
$win configure -text $tracing_labels($_new(gdb/mode))
}
# ------------------------------------------------------------------
# METHOD: _ok - called to accept settings and close dialog
# ------------------------------------------------------------------
itcl::body GlobalPref::_ok {} {
_apply 1
}
# ------------------------------------------------------------------
# METHOD: _apply - apply current settings to the screen
# ------------------------------------------------------------------
itcl::body GlobalPref::_apply {{deleteMe 0}} {
debug
set changed_something 0
# If you are not destroying the window, then make sure to
# propagate the geometry info from the font frame, so that changing
# the fonts IN the window don't cause some of the buttons to
# get obscured...
if {!$deleteMe} {
pack propagate $itk_interior.f 1
}
foreach thunk $_fonts {
set font [font configure test-$thunk-font]
if {[pref get global/font/$thunk] != $font} {
pref set global/font/$thunk $font
}
}
foreach var [array names _new] {
if {$_new($var) != [pref get $var]} {
debug "$var = $_new($var)"
if {$var == "gdb/mode"} {
if {!$_new(gdb/mode)} { pref set gdb/B1_behavior 1 }
} elseif {$var == "gdb/ImageDir"} {
set ::gdb_ImageDir [file join $::GDBTK_LIBRARY $_new($var)]
}
pref set $var $_new($var)
set changed_something 1
}
}
if {$changed_something} {
if {$deleteMe} { unpost }
ManagedWin::restart
return
}
if {$deleteMe} {
unpost
} else {
after idle "
update idletasks
[code $this _resize_font_item_height]
pack propagate $itk_interior.f 0
"
}
}
# ------------------------------------------------------------------
# METHOD: _cancel - forget current settings -- reset to original
# state and close preferences
# ------------------------------------------------------------------
itcl::body GlobalPref::_cancel {} {
debug
set changed_something 0
# Reset fonts if different
foreach thunk $_fonts {
set family [font configure global/$thunk -family]
set size [font configure global/$thunk -size]
if {$_original($thunk,family) != $family || $_original($thunk,size) != $size} {
pref set global/font/$thunk \
[list -family $_original($thunk,family) -size $_original($thunk,size)]
set changed_something 1
}
}
foreach var [array names _saved] {
if {$_saved($var) != [pref get $var]} {
debug "$var = $_saved($var)"
if {$var == "gdb/mode"} {
if {!$_saved(gdb/mode)} { pref set gdb/B1_behavior 1 }
} elseif {$var == "gdb/ImageDir"} {
set ::gdb_ImageDir [file join $::GDBTK_LIBRARY $_saved($var)]
}
pref set $var $_saved($var)
set changed_something 1
}
}
if {$changed_something} {
ManagedWin::restart
}
unpost
}
# ------------------------------------------------------------------
# METHOD: cancel - override modal dialog cancel method.
# The cancel method is actually called when
# the window is closed. Name needs fixed.
# ------------------------------------------------------------------
itcl::body GlobalPref::cancel {} {
# when the window is closed, we want the preferences selected to
# be applied.
_apply 1
}