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#==============================================================================
# Contains Wcb procedures for listbox widgets.
#
# Copyright (c) 1999-2010 Csaba Nemethi (E-mail: csaba.nemethi@t-online.de)
#==============================================================================
#
# Private procedure
# =================
#
#------------------------------------------------------------------------------
# wcb::listboxWidgetCmd
#
# Processes the Tcl command corresponding to a listbox widget w with
# registered callbacks. In this procedure, the execution of the commands
# activate, selection set, and selection clear is preceded by calls to the
# corresponding before-callbacks and followed by calls to the corresponding
# after-callbacks, in the global scope.
#------------------------------------------------------------------------------
proc wcb::listboxWidgetCmd {w argList} {
set orig [list ::_$w]
set argCount [llength $argList]
if {$argCount == 0} {
# Let Tk report the error
return [uplevel 2 $orig $argList]
}
set option [lindex $argList 0]
set opLen [string length $option]
set opArgs [lrange $argList 1 end]
if {[string first $option "activate"] == 0} {
if {$argCount == 2} {
return [wcb::processCmd $w activate activate $opArgs]
} else {
# Let Tk report the error
return [uplevel 2 $orig $argList]
}
} elseif {[string first $option "selection"] == 0 && $opLen >= 3} {
set selOption [lindex $opArgs 0]
if {[string first $selOption "set"] == 0} {
if {$argCount == 3 || $argCount == 4} {
set selOpArgs [lrange $opArgs 1 end]
return [wcb::processCmd $w selset "selection set" \
$selOpArgs]
} else {
# Let Tk report the error
return [uplevel 2 $orig $argList]
}
} elseif {[string first $selOption "clear"] == 0} {
if {$argCount == 3 || $argCount == 4} {
set selOpArgs [lrange $opArgs 1 end]
return [wcb::processCmd $w selclear "selection clear" \
$selOpArgs]
} else {
# Let Tk report the error
return [uplevel 2 $orig $argList]
}
} else {
return [uplevel 2 $orig $argList]
}
} else {
return [uplevel 2 $orig $argList]
}
}
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