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module Fox
class FXApp
alias addInputOrig addInput # :nodoc:
#
# Add a file descriptor _fileDesc_ to be watched for activity as determined
# by _mode_, where _mode_ is a bitwise OR (+INPUT_READ+, +INPUT_WRITE+, +INPUT_EXCEPT+).
# A message of type +SEL_IO_READ+, +SEL_IO_WRITE+, or +SEL_IO_EXCEPT+ will be sent
# to the target when the specified activity is detected on the file descriptor.
#
# There are several forms for #addInput; the original form (from FOX)
# takes four arguments:
#
# anApp.addInput(fileDesc, mode, anObject, aMessageId)
#
# A second form takes three arguments:
#
# anApp.addInput(fileDesc, mode, aMethod)
#
# For this form, _aMethod_ should have the standard argument list
# for a FOX message handler. That is, the method should take three
# arguments, for the message _sender_ (an FXObject), the message _selector_,
# and the message _data_ (if any).
#
# The last form of #addInput takes a block:
#
# anApp.addInput(fileDesc, mode) { |sender, sel, data|
# ... handle the I/O event ...
# }
#
def addInput(fd, mode, *args, &block)
params = {}
params = args.pop if args.last.is_a? Hash
tgt, sel = nil, 0
if args.length > 0
if args[0].respond_to? :call
tgt = FXPseudoTarget.new
tgt.pconnect(SEL_IO_READ, args[0], params)
tgt.pconnect(SEL_IO_WRITE, args[0], params)
tgt.pconnect(SEL_IO_EXCEPT, args[0], params)
else # it's some other kind of object
tgt = args[0]
sel = args[1]
end
else
tgt = FXPseudoTarget.new
tgt.pconnect(SEL_IO_READ, block, params)
tgt.pconnect(SEL_IO_WRITE, block, params)
tgt.pconnect(SEL_IO_EXCEPT, block, params)
end
addInputOrig(fd, mode, tgt, sel)
end
end # class FXApp
end # module Fox
Version data entries
30 entries across 30 versions & 2 rubygems