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########################################################################
# amsncore.tcl :: core aMSN API
#
# In this file we put some functions that is aMSN core functionality.
# This means it is not about the GUI as these should become pluggable,
# not about the protocol (protocol/p2p/webcam/...), not about extra
# widgets or functionality (should be in utils as a package) or about
# the contacts database.
# Code in here shouldn't depend on anything of the used GUI or protocol
# implementation. All functions should be some kind of API that can be
# used througout aMSN and functionality to glue together several (plugg
# able) gui/protocol implementations. The functions here kind of extend
# tcl/tk in it's capabilities or make our code work on different tcl/tk
# versions without us having to worry about it.
#
# Messing with this file is messing with the best (tm). Keep it read-
# able and clear! You are warned :).
#
# This file needs: Tk
#
#########################################################################
# The following functions were taken from TIP 268 http://www.tcl.tk/cgi-bin/tct/tip/268.html
# Their purpose is to compare version numbers while taking into account the alpha/beta versions.
proc version_intList {version} {
# Convert a version number to an equivalent list of integers
# Raise error for invalid version number
if {$version eq {} || [string match *-* $version]} {
# Reject literal negative numbers
return -code error "invalid version number: \"$version\""
}
# Note only lowercase "a" and "b" accepted and only one
if {[llength [split $version ab]] > 2} {
return -code error "invalid version number: \"$version\""
}
set converted [string map {a .-2. b .-1.} $version]
set list {}
foreach element [split $converted .] {
if {[scan $element %d%s i trash] != 1} {
# Require decimal formatted numbers with no suffix
return -code error "invalid version number: \"$version\""
}
if {[catch {incr i 0}] || $i < -2 } {
# Verify each component is integer >= -2
return -code error "invalid version number: \"$version\""
}
lappend list $i
}
return $list
}
proc version_compare {l1 l2} {
# Compare lists of integers
foreach i1 $l1 i2 $l2 {
if {$i1 eq {}} {set i1 0}
if {$i2 eq {}} {set i2 0}
if {$i1 < $i2} {return -1}
if {$i1 > $i2} {return 1}
}
return 0
}
proc version_vcompare {v1 v2} {
version_compare [version_intList $v1] [version_intList $v2]
}
################################################
# The events system, used to communicate #
# between different components (UI / protocol #
# ... ) #
################################################
namespace eval ::Event {
variable eventsArray
# sends to all interested listeners the event that occured
# eventName: name of the event that happened
# caller: the object that fires the event, set to all to
# notify all listeners for all events with that name
proc fireEvent { eventName caller args } {
variable eventsArray
#status_log "Event --$eventName-- fired with caller -$caller-- and args : $args"
#fire events registered for both the current caller and 'all'
foreach call [list $caller "all"] {
#first check there were some events registered to caller or it will fail
if { [array names eventsArray "$eventName,$call"] == "$eventName,$call" } {
foreach listener [set eventsArray($eventName,$call)] {
eval $listener [linsert $args 0 $eventName]
}
}
}
}
# registers a listener for an event
# the listener has to have a method the same as the eventName
# eventName: name of the event to listen to
# caller: the object that fires the event, set to all to
# register for all events with that name
# listener: the object that wants to receive the events
proc registerEvent { eventName caller listener } {
variable eventsArray
lappend eventsArray($eventName,$caller) $listener
}
proc unregisterEvent { eventName caller listener } {
variable eventsArray
set idx [lsearch [lindex [array get eventsArray "$eventName,$caller"] 1] $listener]
if { $idx != -1 } {
set eventsArray($eventName,$caller) [lreplace $eventsArray($eventName,$caller) $idx $idx]
} else {
status_log "ERROR: tried to unregister an unexistant event: $eventName,$caller" white
}
}
}
################################################
# Functions to know which platform we're on #
################################################
#Test for Aqua GUI
proc OnMac {} {
if {![catch {tk windowingsystem} wsystem] && $wsystem == "aqua"} {
return 1
} else {
return 0
}
}
#Test for Darwin OS
#Will return 1 for X11 on Mac, OnMac returns 0 in that case
proc OnDarwin {} {
global tcl_platform
if { $tcl_platform(os) == "Darwin" } {
return 1
} else {
return 0
}
}
#Test for Windows
proc OnWin {} {
global tcl_platform
if { $tcl_platform(platform) == "windows" } {
return 1
} else {
return 0
}
}
#Test for Windows Vista or Windows 7
proc OnWinVista {} {
global tcl_platform
if { [OnWin] && $tcl_platform(os) == "Windows NT" && ($tcl_platform(osVersion) == "6.0" || $tcl_platform(osVersion) == "6.1")} {
return 1
} else {
return 0
}
}
proc OnWin7 {} {
global tcl_platform
if { [OnWin] && $tcl_platform(os) == "Windows NT" && $tcl_platform(osVersion) == "6.1" } {
return 1
} else {
return 0
}
}
#Test for BSD
proc OnBSD {} {
global tcl_platform
if { $tcl_platform(os) == "OpenBSD" ||
$tcl_platform(os) == "FreeBSD" ||
$tcl_platform(os) == "NetBSD"} {
return 1
} else {
return 0
}
}
#Test for Linux
proc OnLinux {} {
global tcl_platform
if { $tcl_platform(os) == "Linux" } {
return 1
} elseif { $tcl_platform(os) == "SunOS" } {
# Really not correct at all, but closer than BSD.
return 1
} else {
return 0
}
}
#Test for Unix platform (Linux/Mac/*BSD/etc.)
proc OnUnix {} {
global tcl_platform
if { $tcl_platform(platform) == "unix" } {
return 1
} else {
return 0
}
}
#Test for X11 windowing system
proc OnX11 {} {
if { ![catch {tk windowingsystem} wsystem] && $wsystem == "x11" } {
return 1
} else {
return 0
}
}
#Test for Maemo (770/N800/N810)
proc OnMaemo {} {
global tcl_platform
if { [string first "arm" $tcl_platform(machine)] == 0 } {
return 1
} else {
return 0
}
}
proc GetPlatformModifier {} {
if {[OnMac]} {
return "Command"
} else {
return "Control"
}
}
if { [OnX11] && [info commands ::tk::wm] == "" && [info commands wm] == "wm" } {
rename wm ::tk::wm
proc ::wm {option window args} {
if {$option == "state"} {
if {[llength $args] == 0} {
set state [::tk::wm state $window]
if {$state == "normal"} {
if {[::tk::wm attributes $window -zoomed]} {
return "zoomed"
}
}
return $state
} elseif {[llength $args] == 1} {
set state [lindex $args 0]
if {$state == "normal"} {
::tk::wm attributes $window -zoomed 0
::tk::wm state $window normal
} elseif {$state == "zoomed"} {
::tk::wm state $window normal
::tk::wm attributes $window -zoomed 1
} else {
if {[catch {::tk::wm state $window $state} err]} {
if {[string first $err "bad argument"] == 0} {
error "bad argument \"$state\": must be normal, iconic, withdrawn or zoomed"
} else {
return -code error $err
}
}
}
} else {
error "wrong # args: should be \"wm state window ?state?\""
}
} else {
eval [linsert $args 0 ::tk::wm $option $window]
}
}
}
################################################
# 'Missing' image commands #
################################################
proc ImageExists {img} {
return [expr {![catch {image type $img}]}]
}
#Use this function to get a not-in-use temporary image name
proc TmpImgName {} {
set idx 0
while {[ImageExists tmp$idx]} {
incr idx
}
return tmp$idx
}
################################################
# Other added/update commands for tcl/tk #
################################################
if { [info commands ::tk::grab] == "" && [info commands grab] == "grab" } {
rename grab ::tk::grab
proc grab { args } {
if {[llength $args] == 1} {
set command "set"
set window [lindex $args 0]
set global 0
} elseif {[llength $args] == 2} {
set command [lindex $args 0]
set window [lindex $args 1]
set global 0
if {$command == "-global" } {
set command "set"
set global 1
}
} elseif {[llength $args] == 3} {
set command [lindex $args 0]
set window [lindex $args 2]
set global 1
if {$command == "set" &&
[lindex $args 2] == "-global" } {
set global 1
}
} else {
set command "unknown"
}
if {$command != "set" } {
eval [linsert $args 0 ::tk::grab]
} else {
set retries 5
while { $retries > 0 } {
catch {focus -force $window}
if {$global} {
if {![catch {::tk::grab set -global $window} ret] } {
return $ret
}
} else {
if {![catch {::tk::grab set $window} ret] } {
return $ret
}
}
after 100
incr retries -1
}
}
}
}
# Find out what has the focus and assing it to $w, then after $w is
# destroyed, focus the original.
#
# Arguments:
# w - Window to focus
proc my_focus { w } {
set oldFocus [focus]
set oldGrab [grab current $w]
if {[string compare $oldGrab ""]} {
set grabStatus [grab status $oldGrab]
}
grab $w
raise $w
focus $w
# Wait for the user to respond, then restore the focus and
# return the index of the selected button. Restore the focus
# before deleting the window, since otherwise the window manager
# may take the focus away so we can't redirect it. Finally,
# restore any grab that was in effect.
bind $w <Destroy> "catch {focus $oldFocus; grab $oldGrab}"
}
#ShowTransient ?{wintransient}
#The function try to know if the operating system is Mac OS X or not. If no, enable window in transient. Else,
#don't change nothing.
proc ShowTransient {win {parent "."}} {
if { ![OnMac] } {
wm transient $win $parent
}
}
# taken from ::tk::TextSetCursor
# Move the insertion cursor to a given position in a text. Also
# clears the selection, if there is one in the text, and makes sure
# that the insertion cursor is visible. Also, don't let the insertion
# cursor appear on the dummy last line of the text.
#
# Arguments:
# w - The text window.
# pos - The desired new position for the cursor in the window.
proc my_TextSetCursor {w pos} {
if {[$w compare $pos == end]} {
set pos {end - 1 chars}
}
$w mark set insert $pos
$w tag remove sel 1.0 end
$w see insert
#removed incase not supported for tk8.3
#if {[$w cget -autoseparators]} {$w edit separator}
}
# taken from ::tk::TextKeySelect
# This procedure is invoked when stroking out selections using the
# keyboard. It moves the cursor to a new position, then extends
# the selection to that position.
#
# Arguments:
# w - The text window.
# new - A new position for the insertion cursor (the cursor hasn't
# actually been moved to this position yet).
if { [version_vcompare [info patchlevel] 8.4.13] == -1} {
proc ::tk::TextKeySelect {w new} {
if {[string equal [$w tag nextrange sel 1.0 end] ""]} {
if {[$w compare $new < insert]} {
$w tag add sel $new insert
} else {
$w tag add sel insert $new
}
$w mark set anchor insert
} else {
if {[$w compare $new < anchor]} {
set first $new
set last anchor
} else {
set first anchor
set last $new
}
$w tag remove sel 1.0 $first
$w tag add sel $first $last
$w tag remove sel $last end
}
$w mark set insert $new
$w see insert
update idletasks
}
}
#///////////////////////////////////////////////////////////////////////////////
# highlight_selected_tags (text, tags)
# This proc will go through the text widget 'text' add an extra tag to any characters that are
# selected and have a certain tag. This is used to highlight coloured text.
# (Use in conjunction with the <<Selection>> event)
# Arguments:
# - text => Is the path to the text widget
# - tags => an even length list containing pairs of tags and their associated extra tags
proc highlight_selected_tags { text tags } {
#first remove all that were previously set
foreach { tag tagadd } $tags {
$text tag remove $tagadd 1.0 end
}
#add highlight tags for selected text
if { [scan [$text tag ranges sel] "%s %s" selstart selend] == 2 } {
foreach { tag tagadd } $tags {
set cur $selstart
#add for chars at the start of the selection
while { ( [lsearch [$text tag names $cur] $tag] != -1 ) && ( $cur != $selend )} {
$text tag add $tagadd $cur
set cur [$text index $cur+1chars]
}
while { [scan [$text tag nextrange $tag $cur $selend] "%s %s" st en] == 2 } {
if { $en > $selend } {
set en $selend
}
$text tag add $tagadd $st $en
set cur $en
}
}
}
}
################################################
# Commands for playing sounds #
################################################
proc play_sound {sound {absolute_path 0} {force_play 0}} {
#If absolute_path == 1 it means we don't have to get the sound
#from the skin, but just use it as an absolute path to the sound file
#I suppose that, when you have a custom state with No Sounds on, you dont want to hear voice clips, right?
global automessage
if { [info exists automessage] && $automessage != -1 && [lindex $automessage 6] == 1} { return }
if { [::config::getKey sound] == 1 || $force_play == 1} {
#Activate snack on Mac OS X (remove that during 0.94 CVS)
if { [OnMac] } {
if { $absolute_path == 1 } {
play_Sound_Mac $sound
} else {
play_Sound_Mac [::skin::GetSkinFile sounds $sound]
}
} elseif { [::config::getKey usesnack] } {
snack_play_sound [::skin::loadSound $sound $absolute_path]
} else {
if { $absolute_path == 1 } {
play_sound_other $sound
} else {
play_sound_other [::skin::GetSkinFile sounds $sound]
}
}
}
}
proc snack_play_sound {snd {loop 0}} {
if { $loop == 1 } {
#When 2 sounds play at the same time callback doesnt get deleted unless both are stopped so requires a catch
catch { $snd play -command [list snack_play_sound $snd 1] } { }
} else {
#This catch will avoid some errors is waveout is being used
catch { $snd play }
}
}
proc play_sound_other {sound} {
if { [string first "\$sound" [::config::getKey soundcommand]] == -1 } {
::config::setKey soundcommand "[::config::getKey soundcommand] \$sound"
}
set soundcommand [::config::getKey soundcommand]
#Quote everything, or "eval" will fail
set soundcommand [string map { "\\" "\\\\" "\[" "\\\[" "\$" "\\\$" "\[" "\\\[" } $soundcommand]
set soundcommand [string map { "\\" "\\\\" "\[" "\\\[" "\$" "\\\$" "\[" "\\\[" } $soundcommand]
#Unquote the $sound variable so it's replaced
set soundcommand [string map { "\\\\\\\$sound" "\${sound}" } $soundcommand]
catch {eval exec $soundcommand &} res
}
#Play sound in a loop
proc play_loop { sound_file {id ""} } {
global looping_sound
#Prepare the sound command for variable substitution
set command [::config::getKey soundcommand]
set command [string map {"\[" "\\\[" "\\" "\\\\" "\$" "\\\$" "\(" "\\\(" } $command]
#Now, let's unquote the variables we want to replace
set command "|[string map {"\\\$sound" "\${sound_file}" } $command]"
set command [subst -nocommands $command]
#Launch command, connecting stdout to a pipe
set pipe [open $command r]
if { ![info exists ::loop_id] } {
set ::loop_id 0
}
#Get a new ID
if { $id == "" } {
set id [incr ::loop_id]
}
set looping_sound($id) $pipe
fileevent $pipe readable [list play_finished $pipe $sound_file $id]
return $id
}
proc cancel_loop { id {retry 1}} {
global looping_sound
if { ![info exists looping_sound($id)] } {
if {$retry } {
after 3000 [list cancel_loop $id 0]
}
} else {
unset looping_sound($id)
}
}
proc play_finished {pipe sound id} {
global looping_sound
if { [eof $pipe] } {
fileevent $pipe readable {}
catch {close $pipe}
if { [info exist looping_sound($id)] } {
#after 1000 [list play_loop $sound $id]
after 1000 [list replay_loop $sound $id]
}
} else {
gets $pipe
}
}
proc replay_loop {sound id} {
global looping_sound
if { ![info exist looping_sound($id)] } {
return
}
play_loop $sound $id
}
#play_Sound_Mac Play sounds on Mac OS X with the extension "QuickTimeTcl"
proc play_Sound_Mac {sound} {
set sound_name [file tail $sound]
#Find the name of the sound without .wav or .mp3, etc
set sound_small [string first "." "$sound_name"]
incr sound_small -1
set sound_small_name [string range $sound_name 0 $sound_small]
#Necessary for Mac OS 10.2 compatibility
#Find the path of the sound, begin with skins/.. or /..
#/ = The sound has a real path, skin in Application Support (.amsn) or anywhere on hard disk
#s = skins, the sound is inside aMSN Folder
set sound_start [string range $sound 0 0]
#Destroy previous song if he already play
destroy .fake.$sound_small_name
#Find the path of aMSN folder
set pwd "[pwd]"
#Create the sound in QuickTime TCL to play the sound
if {$sound_start == "/"} {
catch {movie .fake.$sound_small_name -file $sound -controller 0}
} else {
#This way we create real path for skins inside aMSN application
catch {movie .fake.$sound_small_name -file $pwd/$sound -controller 0}
}
#Play the sound
catch {.fake.$sound_small_name play}
return
}
namespace eval ::Version {
variable amsn_revision 0
variable date "01/01/1970 00:00:00"
variable last_file ""
variable last_author ""
proc setSubversionId { idstring } {
variable amsn_revision
variable date
variable last_file
variable last_author
#Be careful with this line : the line break should be changed carefully if it needs
set pattern {\$Id: (.*) ([[:digit:]]*) ([[:digit:]]{4})-([[:digit:]]{2})-([[:digit:]]{2})\
([[:digit:]]{2}):([[:digit:]]{2}):([[:digit:]]{2})Z (.*) \$}
if { [regexp $pattern $idstring match file rev year month day hour minute second author] } {
if { $amsn_revision < $rev } {
set amsn_revision $rev
set date "$month/$day/$year $hour:$minute:$second"
set last_author $author
set last_file $file
}
}
}
}
::Version::setSubversionId {$Id: amsncore.tcl 12284 2011-01-25 03:30:39Z kakaroto $}
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