71 lines
2.1 KiB
Tcl
71 lines
2.1 KiB
Tcl
#==============================================================================
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# Contains Wcb procedures for listbox widgets.
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#
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# Copyright (c) 1999-2005 Csaba Nemethi (E-mail: csaba.nemethi@t-online.de)
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#==============================================================================
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#
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# Private procedure
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# =================
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#
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#------------------------------------------------------------------------------
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# wcb::listboxWidgetCmd
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#
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# Processes the Tcl command corresponding to a listbox widget w with
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# registered callbacks. In this procedure, the execution of the commands
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# activate, selection set, and selection clear is preceded by calls to the
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# corresponding before-callbacks and followed by calls to the corresponding
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# after-callbacks, in the global scope.
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#------------------------------------------------------------------------------
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proc wcb::listboxWidgetCmd {w argList} {
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set orig [list ::_$w]
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set argCount [llength $argList]
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if {$argCount == 0} {
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# Let Tk report the error
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return [uplevel 2 $orig $argList]
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}
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set option [lindex $argList 0]
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set opLen [string length $option]
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set opArgs [lrange $argList 1 end]
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if {[string first $option "activate"] == 0} {
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if {$argCount == 2} {
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return [wcb::processCmd $w activate activate $opArgs]
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} else {
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# Let Tk report the error
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return [uplevel 2 $orig $argList]
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}
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} elseif {[string first $option "selection"] == 0 && $opLen >= 3} {
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set selOption [lindex $opArgs 0]
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if {[string first $selOption "set"] == 0} {
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if {$argCount == 3 || $argCount == 4} {
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set selOpArgs [lrange $opArgs 1 end]
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return [wcb::processCmd $w selset "selection set" \
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$selOpArgs]
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} else {
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# Let Tk report the error
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return [uplevel 2 $orig $argList]
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}
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} elseif {[string first $selOption "clear"] == 0} {
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if {$argCount == 3 || $argCount == 4} {
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set selOpArgs [lrange $opArgs 1 end]
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return [wcb::processCmd $w selclear "selection clear" \
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$selOpArgs]
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} else {
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# Let Tk report the error
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return [uplevel 2 $orig $argList]
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}
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} else {
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return [uplevel 2 $orig $argList]
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}
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} else {
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return [uplevel 2 $orig $argList]
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}
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}
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