class Vizkit::ConnectorSlot

# File lib/vizkit/connector_objects.rb, line 120
def initialize(widget,signature,options = Hash.new)
    super()
    @supports_options = false
    @widget = widget
    @method_info = if @widget.respond_to? :method_info
                       @widget.method_info
                   else
                       TypelibQtAdapter.new(@widget).method_info
                   end
    populate_specs(signature)
end

# File lib/vizkit/connector_objects.rb, line 234
def argument_types
    spec(true)
    types = @specs.collect each do |spec|
        spec.argument_types
    end
    types.flatten if types.size == 1
end

# File lib/vizkit/connector_objects.rb, line 219
def argument_types=(*value)
    raise ArgumentError,"no siganture has the given arguments #{value}" unless argument_types?(*value)
    specs.delete_if do |spec|
        if spec.argument_types.size != value.size
            true
        else
            spec.argument_types.each_with_index do |type,index|
                break if value[index] != type
            end or break true
            false
        end
    end
    self
end

# File lib/vizkit/connector_objects.rb, line 205
def argument_types?(*value)
    value.flatten!
    !!@specs.find do |spec|
        if spec.argument_types.size != value.size
            next
        else
            spec.argument_types.each_with_index do |type,index|
                break if value[index] != type
            end or next
            true
        end
    end
end

# File lib/vizkit/connector_objects.rb, line 190
def arity=(value)
    spec(true)
    raise ArgumentError,"no siganture has an airty of #{value}" unless arity?(value)
    specs.delete_if do |spec|
        spec.argument_types.size != value
    end
    self
end

# File lib/vizkit/connector_objects.rb, line 199
def arity?(value)
    !!@specs.find do |spec|
        spec.argument_types.size == value
    end
end

# File lib/vizkit/connector_objects.rb, line 156
def find_method_specs(signature,type=nil)
    signature = normalize_signature signature
    name = method_name(signature)
    specs = if @method_info.has_key? signature
                @method_info[signature]
            elsif @method_info.has_key? name
                @method_info[name].find_all {|method| method.signature == signature}
            else
                []
            end
    if !specs.empty?
        if type
            specs.find_all{|s| s.type == type}
        else
            specs
        end
    else
        if @widget.respond_to?(name.to_sym) && (!type || type == Qt::MetaMethod::Slot)
            arguments = Array.new([@widget.method(name).arity,0].max,:ruby)
            [TypelibQtAdapter::MethodInfo.new(name,name,:ruby,arguments,Qt::MetaMethod::Slot)]
        else
            []
        end
    end
end

# File lib/vizkit/connector_objects.rb, line 137
def method_name(signature)
    name = normalize_signature(signature)
    name =~ /(.*)\(.*\)/
        if $1
            $1
        else
            signature
        end
end

# File lib/vizkit/connector_objects.rb, line 246
def name
    spec(true)
    @specs.first.name
end

# File lib/vizkit/connector_objects.rb, line 251
def normalize_qt_args(*args)
    args.map do |arg|
        if arg.is_a? Symbol
            arg.to_s
        else
            arg
        end
    end
end

# File lib/vizkit/connector_objects.rb, line 147
def normalize_signature(signature)
    name = Qt::MetaObject.normalizedSignature(signature).to_s
    name =~ /.* (.*)$/     #remove return type
        name = $1 || name
    name =~ /(.*)const$/  #remove const
        $1 || name
end

# File lib/vizkit/connector_objects.rb, line 132
def populate_specs(signature)
    @specs = find_method_specs(signature,Qt::MetaMethod::Slot)
    raise ArgumentError,"#{signature} is not a valid slot signature for widget #{@widget}" if @specs.empty?
end

# File lib/vizkit/connector_objects.rb, line 270
def read(options,*args,&block)
    args = normalize_qt_args *args
    write(options,*args,&block)
end

# File lib/vizkit/connector_objects.rb, line 184
def spec(first = false)
    raise "there is no spec" if @specs.empty?
    raise "there are more than one spec" if @specs.size > 1 if !first
    @specs.first
end

# File lib/vizkit/connector_objects.rb, line 242
def specs
    @specs
end

# File lib/vizkit/connector_objects.rb, line 261
def write(options,*args,&block)
    args = normalize_qt_args *args
    s = spec(false)
    result = @widget.send(s.name,*args)
    block.call(result) if block
    result
end