path: root/qtruby/rubylib/qtruby/lib/Qt/qtruby.rb

=begin
/***************************************************************************
                          qtruby.rb  -  description
                             -------------------
    begin                : Fri Jul 4 2003
    copyright            : (C) 2003 by Richard Dale
    email                : Richard_Dale@tipitina.demon.co.uk
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
=end

module Qt
	module DebugLevel
		Off, Minimal, High, Extensive = 0, 1, 2, 3
	end

	module QtDebugChannel 
		QTDB_NONE = 0x00
		QTDB_AMBIGUOUS = 0x01
		QTDB_METHOD_MISSING = 0x02
		QTDB_CALLS = 0x04
		QTDB_GC = 0x08
		QTDB_VIRTUAL = 0x10
		QTDB_VERBOSE = 0x20
		QTDB_ALL = QTDB_VERBOSE | QTDB_VIRTUAL | QTDB_GC | QTDB_CALLS | QTDB_METHOD_MISSING | QTDB_AMBIGUOUS
	end

	@@debug_level = DebugLevel::Off
	def Qt.debug_level=(level)
		@@debug_level = level
		Internal::setDebug Qt::QtDebugChannel::QTDB_ALL if level >= DebugLevel::Extensive
	end

	def Qt.debug_level
		@@debug_level
	end
		
	class Base
		def self.signals(*signal_list)
			meta = Qt::Meta[self.name] || Qt::MetaInfo.new(self)
			meta.add_signals(signal_list)
			meta.changed = true
		end
	
		def self.slots(*slot_list)
			meta = Qt::Meta[self.name] || Qt::MetaInfo.new(self)
			meta.add_slots(slot_list)
			meta.changed = true
		end

		def **(a)
			return Qt::**(self, a)
		end
		def +(a)
			return Qt::+(self, a)
		end
		def ~(a)
			return Qt::~(self, a)
		end
		def -@()
			return Qt::-(self)
		end
		def -(a)
			return Qt::-(self, a)
		end
		def *(a)
			return Qt::*(self, a)
		end
		def /(a)
			return Qt::/(self, a)
		end
		def %(a)
			return Qt::%(self, a)
		end
		def >>(a)
			return Qt::>>(self, a)
		end
		def <<(a)
			return Qt::<<(self, a)
		end
		def &(a)
			return Qt::&(self, a)
		end
		def ^(a)
			return Qt::^(self, a)
		end
		def |(a)
			return Qt::|(self, a)
		end

#		Module has '<', '<=', '>' and '>=' operator instance methods, so pretend they
#		don't exist by calling method_missing() explicitely
		def <(a)
			begin
				Qt::method_missing(:<, self, a)
			rescue
				super(a)
			end
		end

		def <=(a)
			begin
				Qt::method_missing(:<=, self, a)
			rescue
				super(a)
			end
		end

		def >(a)
			begin
				Qt::method_missing(:>, self, a)
			rescue
				super(a)
			end
		end

		def >=(a)
			begin
				Qt::method_missing(:>=, self, a)
			rescue
				super(a)
			end
		end

#		Object has a '==' operator instance method, so pretend it
#		don't exist by calling method_missing() explicitely
		def ==(a)
			begin
				Qt::method_missing(:==, self, a)
			rescue
				super(a)
			end
		end

		def methods(regular=true)
			if !regular
				return singleton_methods
			end
	
			qt_methods(super, 0x0)
		end
	
		def protected_methods
			# From smoke.h, Smoke::mf_protected 0x80
			qt_methods(super, 0x80)
		end
	
		def public_methods
			methods
		end
	
		def singleton_methods
			# From smoke.h, Smoke::mf_static 0x01
			qt_methods(super, 0x01)
		end
	
		private
		def qt_methods(meths, flags)
			ids = []
			# These methods are all defined in Qt::Base, even if they aren't supported by a particular
			# subclass, so remove them to avoid confusion
			meths -= ["%", "&", "*", "**", "+", "-", "-@", "/", "<", "<<", "<=", ">", ">=", ">>", "|", "~", "^"]
			classid = Qt::Internal::idInstance(self)
			Qt::Internal::getAllParents(classid, ids)
			ids << classid
			ids.each { |c| Qt::Internal::findAllMethodNames(meths, c, flags) }
			return meths.uniq
		end
	end # Qt::Base
	
	# Delete the underlying C++ instance after exec returns
	# Otherwise, rb_gc_call_finalizer_at_exit() can delete
	# stuff that Qt::Application still needs for its cleanup.
	class Application < Qt::Base
		def exec
			method_missing(:exec)
			self.dispose
			Qt::Internal.application_terminated = true
		end

		def exit(*args)
			method_missing(:exit, *args)
		end

		def type(*args)
			method_missing(:type, *args)
		end
	end

	class BoxLayout < Qt::Base
		include Enumerable

		def each
			it = iterator()
			while it.current
				yield it.current
				it += 1
			end
		end
	end

	class Buffer < Qt::Base
		def open(*args)
			method_missing(:open, *args)
		end
	end

	class ButtonGroup < Qt::Base
		def id(*args)
			method_missing(:id, *args)
		end
	end	

	class ByteArray < Qt::Base
		def to_s
			return data()
		end
		
		def length
			return size()
		end

		def data=(data)
			setRawData(data)
		end
	end

	class CheckListItem < Qt::Base
		def type(*args)
			method_missing(:type, *args)
		end
	end

	class ChildEvent < Qt::Base 
		def type(*args)
			method_missing(:type, *args)
		end
	end

	class ClassInfo < Qt::Base
		def name(*args)
			method_missing(:name, *args)
		end
	end

	class CloseEvent < Qt::Base 
		def type(*args)
			method_missing(:type, *args)
		end
	end
	
	class Color < Qt::Base
		def inspect
			str = super
			str.sub(/>$/, " %s>" % name)
		end
		
		def pretty_print(pp)
			str = to_s
			pp.text str.sub(/>$/, " %s>" % name)
		end

		def name(*args)
			method_missing(:name, *args)
		end
	end
	
	class Connection < Qt::Base
		def inspect
			str = super
			str.sub(/>$/, " memberName=%s, memberType=%s, object=%s>" %
				[memberName.inspect, memberType == 1 ? "SLOT" : "SIGNAL", object.inspect] )
		end
		
		def pretty_print(pp)
			str = to_s
			pp.text str.sub(/>$/, "\n memberName=%s,\n memberType=%s,\n object=%s>" %
				[memberName.inspect, memberType == 1 ? "SLOT" : "SIGNAL", object.inspect] )
		end
	end

	class ContextMenuEvent < Qt::Base 
		def type(*args)
			method_missing(:type, *args)
		end
	end
	
	class Cursor < Qt::Base
		def inspect
			str = super
			str.sub(/>$/, " shape=%d>" % shape)
		end
		
		def pretty_print(pp)
			str = to_s
			pp.text str.sub(/>$/, " shape=%d>" % shape)
		end
	end
 
	class CustomEvent < Qt::Base 
		def type(*args)
			method_missing(:type, *args)
		end
	end

	class Date < Qt::Base
		def inspect
			str = super
			str.sub(/>$/, " %s>" % toString)
		end
		
		def pretty_print(pp)
			str = to_s
			pp.text str.sub(/>$/, " %s>" % toString)
		end
	end
	
	class DateTime < Qt::Base
		def inspect
			str = super
			str.sub(/>$/, " %s>" % toString)
		end
		
		def pretty_print(pp)
			str = to_s
			pp.text str.sub(/>$/, " %s>" % toString)
		end
	end

	class Dialog < Qt::Base
		def exec(*args)
			method_missing(:exec, *args)
		end
	end

	class DomAttr < Qt::Base
		def name(*args)
			method_missing(:name, *args)
		end
	end

	class DomDocumentType < Qt::Base
		def name(*args)
			method_missing(:name, *args)
		end
	end

	class DragLeaveEvent < Qt::Base 
		def type(*args)
			method_missing(:type, *args)
		end
	end

	class DropEvent < Qt::Base
		def format(*args)
			method_missing(:format, *args)
		end

		def type(*args)
			method_missing(:type, *args)
		end
	end

	class EucJpCodec < Qt::Base
		def name(*args)
			method_missing(:name, *args)
		end
	end

	class EucKrCodec < Qt::Base
		def name(*args)
			method_missing(:name, *args)
		end
	end

	class Event < Qt::Base
		def type(*args)
			method_missing(:type, *args)
		end
	end

	class EventLoop < Qt::Base
		def exec(*args)
			method_missing(:exec, *args)
		end

		def exit(*args)
			method_missing(:exit, *args)
		end
	end

	class File < Qt::Base
		def name(*args)
			method_missing(:name, *args)
		end

		def open(*args)
			method_missing(:open, *args)
		end
	end
 
	class FocusEvent < Qt::Base 
		def type(*args)
			method_missing(:type, *args)
		end
	end
	
	class Font < Qt::Base
		def inspect
			str = super
			str.sub(/>$/, " family=%s, pointSize=%d, weight=%d, italic=%s, bold=%s, underline=%s, strikeOut=%s>" % 
			[family.inspect, pointSize, weight, italic, bold, underline, strikeOut])
		end
		
		def pretty_print(pp)
			str = to_s
			pp.text str.sub(/>$/, "\n family=%s,\n pointSize=%d,\n weight=%d,\n italic=%s,\n bold=%s,\n underline=%s,\n strikeOut=%s>" % 
			[family.inspect, pointSize, weight, italic, bold, underline, strikeOut])
		end
	end

	class Ftp < Qt::Base
		def abort(*args)
			method_missing(:abort, *args)
		end
	end

	class GLContext < Qt::Base
		def format(*args)
			method_missing(:format, *args)
		end
	end

	class GLWidget < Qt::Base
		def format(*args)
			method_missing(:format, *args)
		end
	end

	class Gb18030Codec < Qt::Base
		def name(*args)
			method_missing(:name, *args)
		end
	end

	class Gb2312Codec < Qt::Base
		def name(*args)
			method_missing(:name, *args)
		end
	end

	class GbkCodec < Qt::Base
		def name(*args)
			method_missing(:name, *args)
		end
	end

	class GridLayout < Qt::Base
		include Enumerable

		def each
			it = iterator()
			while it.current
				yield it.current
				it += 1
			end
		end
	end

	class HBoxLayout < Qt::Base
		include Enumerable

		def each
			it = iterator()
			while it.current
				yield it.current
				it += 1
			end
		end
	end

	class HebrewCodec < Qt::Base
		def name(*args)
			method_missing(:name, *args)
		end
	end
 
	class HideEvent < Qt::Base 
		def type(*args)
			method_missing(:type, *args)
		end
	end

	class Http < Qt::Base
		def abort(*args)
			method_missing(:abort, *args)
		end
	end

	class HttpRequestHeader < Qt::Base
		def method(*args)
			method_missing(:method, *args)
		end
	end

	class IconDrag < Qt::Base
		def format(*args)
			method_missing(:format, *args)
		end

		def type(*args)
			method_missing(:type, *args)
		end
	end

	class Image < Qt::Base
		def load(*args)
			method_missing(:load, *args)
		end
	end

	class ImageDecoder < Qt::Base
		def format(*args)
			method_missing(:format, *args)
		end
	end

	class ImageDrag < Qt::Base
		def format(*args)
			method_missing(:format, *args)
		end
	end

	class ImageIO < Qt::Base
		def format(*args)
			method_missing(:format, *args)
		end
	end
 
	class IMEvent < Qt::Base 
		def type(*args)
			method_missing(:type, *args)
		end
	end

	class JisCodec < Qt::Base
		def name(*args)
			method_missing(:name, *args)
		end
	end
 
	class KeyEvent < Qt::Base 
		def type(*args)
			method_missing(:type, *args)
		end
	end
	
	class LCDNumber < Qt::Base
		def display(item)
			method_missing(:display, item)
		end
	end

	class Layout < Qt::Base
		def freeze(*args)
			method_missing(:freeze, *args)
		end
	end

	class LayoutIterator < Qt::Base
		def +(a)
			for i in 1..a
				send("operator++".to_sym)
			end
            return self
		end
	end

	class Library < Qt::Base
		def load(*args)
			method_missing(:load, *args)
		end
	end

	class ListView < Qt::Base
		include Enumerable

		def each
			it = Qt::ListViewItemIterator.new(self)
			while it.current
				yield it.current
				it += 1
			end
		end

		def sort(*args)
			method_missing(:sort, *args)
		end
	end

	class ListViewItem < Qt::Base
		include Enumerable

		def each
			it = Qt::ListViewItemIterator.new(self)
			while it.current
				yield it.current
				it += 1
			end
		end

		def sort(*args)
			method_missing(:sort, *args)
		end

		def inspect
			str = super
			str.sub!(/>$/, "")
			for i in 0..(listView.columns - 1)
				str << " text%d=%s," % [i, self.text(i)]
			end
			str.sub!(/,?$/, ">")
		end
		
		def pretty_print(pp)
			str = to_s
			str.sub!(/>$/, "")
			for i in 0..(listView.columns - 1)
				str << " text%d=%s," % [i, self.text(i)]
			end
			str.sub!(/,?$/, ">")
			pp.text str
		end
	end

	class Locale < Qt::Base
		def name(*args)
			method_missing(:name, *args)
		end
		def system(*args)
			method_missing(:system, *args)
		end
	end

	class MenuItem < Qt::Base
		def id(*args)
			method_missing(:id, *args)
		end
	end

	class MetaData < Qt::Base
		def method(*args)
			method_missing(:method, *args)
		end

		def name(*args)
			method_missing(:name, *args)
		end
	end

	class MetaEnum < Qt::Base
		def name(*args)
			method_missing(:name, *args)
		end
	end

	class MetaProperty < Qt::Base
		def id(*args)
			method_missing(:id, *args)
		end

		def name(*args)
			method_missing(:name, *args)
		end

		def type(*args)
			method_missing(:type, *args)
		end
	end
 
	class MouseEvent < Qt::Base 
		def type(*args)
			method_missing(:type, *args)
		end
	end

	class MoveEvent < Qt::Base 
		def type(*args)
			method_missing(:type, *args)
		end
	end
 
	class Object < Qt::Base
		def name(*args)
			method_missing(:name, *args)
		end
	end
 
	class PaintEvent < Qt::Base 
		def type(*args)
			method_missing(:type, *args)
		end
	end

	class Picture < Qt::Base
		def load(*args)
			method_missing(:load, *args)
		end
	end

	class Pixmap < Qt::Base
		def load(*args)
			method_missing(:load, *args)
		end
	end

	class Point < Qt::Base
		def inspect
			str = super
			str.sub(/>$/, " x=%d, y=%d>" % [x, y])
		end
		
		def pretty_print(pp)
			str = to_s
			pp.text str.sub(/>$/, "\n x=%d,\n y=%d>" % [x, y])
		end
	end

	class PolygonScanner < Qt::Base
		def scan(*args)
			method_missing(:scan, *args)
		end
	end

	class PopupMenu < Qt::Base
		def exec(*args)
			method_missing(:exec, *args)
		end
	end

	class Printer < Qt::Base
		def abort(*args)
			method_missing(:abort, *args)
		end
	end

	class MetaObject < Qt::Base
		def inspect
			str = super
			str.sub!(/>$/, "")
			str << " className=%s," % className
			str << " propertyNames=Array (%d element(s))," % numProperties unless numProperties == 0
			str << " signalNames=Array (%d element(s))," % numSignals unless numSignals == 0
			str << " slotNames=Array (%d element(s))," % numSlots unless numSlots == 0
			str << " superClass=%s," % superClass.inspect unless superClass == nil
			str.chop!
			str << ">"
		end
		
		def pretty_print(pp)
			str = to_s
			str.sub!(/>$/, "")
			str << "\n className=%s," % className
			str << "\n propertyNames=Array (%d element(s))," % numProperties unless numProperties == 0
			str << "\n signalNames=Array (%d element(s))," % numSignals unless numSignals == 0
			str << "\n slotNames=Array (%d element(s))," % numSlots unless numSlots == 0
			str << "\n superClass=%s," % superClass.inspect unless superClass == nil
			str.chop!
			str << ">"
			pp.text str
		end
	end
	
	class Rect < Qt::Base
		def inspect
			str = super
			str.sub(/>$/, " left=%d, right=%d, top=%d, bottom=%d>" % [left, right, top, bottom])
		end
		
		def pretty_print(pp)
			str = to_s
			pp.text str.sub(/>$/, "\n left=%d,\n right=%d,\n top=%d,\n bottom=%d>" % [left, right, top, bottom])
		end
	end

	class ResizeEvent < Qt::Base 
		def type(*args)
			method_missing(:type, *args)
		end
	end

	class ShowEvent < Qt::Base 
		def type(*args)
			method_missing(:type, *args)
		end
	end
	
	class Size < Qt::Base
		def inspect
			str = super
			str.sub(/>$/, " width=%d, height=%d>" % [width, height])
		end
		
		def pretty_print(pp)
			str = to_s
			pp.text str.sub(/>$/, "\n width=%d,\n height=%d>" % [width, height])
		end
	end
	
	class SizePolicy < Qt::Base
		def inspect
			str = super
			str.sub(/>$/, " horData=%d, verData=%d>" % [horData, verData])
		end
		
		def pretty_print(pp)
			str = to_s
			pp.text str.sub(/>$/, "\n horData=%d,\n verData=%d>" % [horData, verData])
		end
	end

	class SjisCodec < Qt::Base
		def name(*args)
			method_missing(:name, *args)
		end
	end

	class Socket < Qt::Base
		def open(*args)
			method_missing(:open, *args)
		end
	end

	class SocketDevice < Qt::Base
		def open(*args)
			method_missing(:open, *args)
		end

		def type(*args)
			method_missing(:type, *args)
		end
	end

	class SocketNotifier < Qt::Base
		def type(*args)
			method_missing(:type, *args)
		end
	end

	class SqlCursor < Qt::Base
		def exec(*args)
			method_missing(:exec, *args)
		end

		def name(*args)
			method_missing(:name, *args)
		end

		def select(*args)
			method_missing(:select, *args)
		end
	end

	class SqlDatabase < Qt::Base
		def exec(*args)
			method_missing(:exec, *args)
		end
		def open(*args)
			method_missing(:open, *args)
		end
	end

	class SqlDriver < Qt::Base
		def open(*args)
			method_missing(:open, *args)
		end
	end

	class SqlError < Qt::Base
		def type(*args)
			method_missing(:type, *args)
		end
	end

	class SqlField < Qt::Base
		def name(*args)
			method_missing(:name, *args)
		end

		def type(*args)
			method_missing(:type, *args)
		end
	end

	class SqlFieldInfo < Qt::Base
		def name(*args)
			method_missing(:name, *args)
		end

		def type(*args)
			method_missing(:type, *args)
		end
	end

	class SqlIndex < Qt::Base
		def name(*args)
			method_missing(:name, *args)
		end
	end

	class SqlQuery < Qt::Base
		def exec(*args)
			method_missing(:exec, *args)
		end
	end

	class SqlSelectCursor < Qt::Base
		def exec(*args)
			method_missing(:exec, *args)
		end

		def name(*args)
			method_missing(:name, *args)
		end

		def select(*args)
			method_missing(:select, *args)
		end
	end

	class StoredDrag < Qt::Base
		def format(*args)
			method_missing(:format, *args)
		end
	end

	class StyleSheetItem < Qt::Base
		def name(*args)
			method_missing(:name, *args)
		end
	end

	class TextDrag < Qt::Base
		def format(*args)
			method_missing(:format, *args)
		end
	end

	class TabletEvent < Qt::Base 
		def type(*args)
			method_missing(:type, *args)
		end
	end
	
	class Time < Qt::Base
		def inspect
			str = super
			str.sub(/>$/, " %s>" % toString)
		end
		
		def pretty_print(pp)
			str = to_s
			pp.text str.sub(/>$/, " %s>" % toString)
		end
	end
	
	class TimeEdit < Qt::Base
		def display
			method_missing(:display)
		end
	end
 
	class TimerEvent < Qt::Base 
		def type(*args)
			method_missing(:type, *args)
		end
	end

	class Translator < Qt::Base
		def load(*args)
			method_missing(:load, *args)
		end
	end

	class TranslatorMessage < Qt::Base
		def hash(*args)
			method_missing(:hash, *args)
		end
	end

	class TsciiCodec < Qt::Base
		def name(*args)
			method_missing(:name, *args)
		end
	end

	class UrlInfo < Qt::Base
		def name(*args)
			method_missing(:name, *args)
		end
	end

	class Utf16Codec < Qt::Base
		def name(*args)
			method_missing(:name, *args)
		end
	end

	class Utf8Codec < Qt::Base
		def name(*args)
			method_missing(:name, *args)
		end
	end

	class Variant < Qt::Base
		String = 3
		Date = 26
		Time = 27
		DateTime = 28

		def initialize(*args)
			# In C++, the boolean constructor needs an ugly dummy int argument,
			# so special case that here to avoid needing it in Ruby
			if args[0] == true || args[0] == false
				super(args[0], 0)
			else
				super
			end
		end

		def to_a
			return toStringList()
		end

		def to_f
			return toDouble()
		end

		def to_i
			return toInt()
		end

		def to_int
			return toInt()
		end

		def to_ruby
			case type()
			when Qt::Variant::Bitmap
				return toBitmap
			when Qt::Variant::Bool
				return toBool
			when Qt::Variant::Brush
				return toBrush
			when Qt::Variant::ByteArray
				return toByteArray
			when Qt::Variant::Color
				return toColor
			when Qt::Variant::ColorGroup
				return toColorGroup
			when Qt::Variant::CString
				return toCString
			when Qt::Variant::Cursor
				return toCursor
			when Qt::Variant::Date
				return toDate
			when Qt::Variant::DateTime
				return toDateTime
			when Qt::Variant::Double
				return toDouble
			when Qt::Variant::Font
				return toFont
			when Qt::Variant::IconSet
				return toIconSet
			when Qt::Variant::Image
				return toImage
			when Qt::Variant::Int
				return toInt
			when Qt::Variant::KeySequence
				return toKeySequence
			when Qt::Variant::List
				return toList
			when Qt::Variant::LongLong
				return toLongLong
			when Qt::Variant::Map
				return toMap
			when Qt::Variant::Palette
				return toPalette
			when Qt::Variant::Pen
				return toPen
			when Qt::Variant::Pixmap
				return toPixmap
			when Qt::Variant::Point
				return toPoint
			when Qt::Variant::PointArray
				return toPointArray
			when Qt::Variant::Rect
				return toRect
			when Qt::Variant::Region
				return toRegion
			when Qt::Variant::Size
				return toSize
			when Qt::Variant::SizePolicy
				return toSizePolicy
			when Qt::Variant::String
				return toString
			when Qt::Variant::StringList
				return toStringList
			when Qt::Variant::Time
				return toTime
			when Qt::Variant::UInt
				return toUint
			when Qt::Variant::ULongLong
				return toULongLong
			end
		end

		def inspect
			str = super
			str.sub(/>$/, " typeName=%s>" % typeName)
		end
		
		def pretty_print(pp)
			str = to_s
			pp.text str.sub(/>$/, " typeName=%s>" % typeName)
		end

		def load(*args)
			method_missing(:load, *args)
		end

		def type(*args)
			method_missing(:type, *args)
		end
	end

	class VBoxLayout < Qt::Base
		include Enumerable

		def each
			it = iterator()
			while it.current
				yield it.current
				it += 1
			end
		end
	end
	
	class WhatsThis < Qt::Base
		def WhatsThis.display(*k)
			method_missing(:display, *k)
		end
	end

	class WheelEvent < Qt::Base 
		def type(*args)
			method_missing(:type, *args)
		end
	end

	class Widget < Qt::Base
		def raise(*args)
			method_missing(:raise, *args)
		end
	end

	class WidgetStack < Qt::Base
		def id(*args)
			method_missing(:id, *args)
		end
	end

	class XmlAttributes < Qt::Base
		def type(*args)
			method_missing(:type, *args)
		end
	end
	
	# Provides a mutable numeric class for passing to methods with
	# C++ 'int*' or 'int&' arg types
	class Integer
		attr_accessor :value
		def initialize(n=0) @value = n end
		
		def +(n) 
			return Integer.new(@value + n.to_i) 
		end
		def -(n) 
			return Integer.new(@value - n.to_i)
		end
		def *(n) 
			return Integer.new(@value * n.to_i)
		end
		def /(n) 
			return Integer.new(@value / n.to_i)
		end
		def %(n) 
			return Integer.new(@value % n.to_i)
		end
		def **(n) 
			return Integer.new(@value ** n.to_i)
		end
		
		def |(n) 
			return Integer.new(@value | n.to_i)
		end
		def &(n) 
			return Integer.new(@value & n.to_i)
		end
		def ^(n) 
			return Integer.new(@value ^ n.to_i)
		end
		def <<(n) 
			return Integer.new(@value << n.to_i)
		end
		def >>(n) 
			return Integer.new(@value >> n.to_i)
		end
		
		def >(n) 
			return @value > n.to_i
		end
		def >=(n) 
			return @value >= n.to_i
		end
		def <(n) 
			return @value < n.to_i
		end
		def <=(n) 
			return @value <= n.to_i
		end

		def <=>(n)
			if @value < n
				return -1
			elsif @value > n
				return 1
			else
				return 0
			end
		end
		
		def to_f() return @value.to_f end
		def to_i() return @value.to_i end
		def to_s() return @value.to_s end
		
		def coerce(n)
			[n, @value]
		end
	end
	
	# If a C++ enum was converted to an ordinary ruby Integer, the
	# name of the type is lost. The enum type name is needed for overloaded
	# method resolution when two methods differ only by an enum type.
	class Enum < Qt::Integer
		attr_accessor :type
		def initialize(n, type)
			super(n) 
			@value = n 
			@type = type
		end
		
		def |(n) 
			return Enum.new(@value | n.to_i, @type)
		end
		def &(n) 
			return Enum.new(@value & n.to_i, @type)
		end
		def ^(n) 
			return Enum.new(@value ^ n.to_i, @type)
		end
		def <(n) 
			return @value < n.to_i
		end
		def <=(n) 
			return @value <= n.to_i
		end
		def >(n) 
			return @value > n.to_i
		end
		def >=(n) 
			return @value >= n.to_i
		end
		def <<(n) 
			return Enum.new(@value << n.to_i, @type)
		end
		def >>(n) 
			return Enum.new(@value >> n.to_i, @type)
		end
		
		def ==(n) return @value == n.to_i end
		def to_i() return @value end
		
		def inspect
			to_s
		end

		def pretty_print(pp)
			pp.text "#<%s:0x%8.8x @type=%s, @value=%d>" % [self.class.name, object_id, type, value]
		end
	end
	
	# Provides a mutable boolean class for passing to methods with
	# C++ 'bool*' or 'bool&' arg types
	class Boolean
		attr_accessor :value
		def initialize(b=false) @value = b end
		def nil? 
			return !@value 
		end
	end

	class SignalBlockInvocation < Qt::Object
		def initialize(parent, block, args)
			super(parent)
			self.class.slots "invoke(#{args})"
			@block = block
		end

		def invoke(*args)
			@block.call(*args)
		end
	end

	class BlockInvocation < Qt::Object
		def initialize(target, block, args)
			super(target)
			self.class.slots "invoke(#{args})"
			@target = target
			@block = block
		end

		def invoke(*args)
			@target.instance_exec(*args, &@block)
		end
	end
	
	module Internal
		@@classes   = {}
		@@cpp_names = {}
		@@idclass   = []

		def Internal.normalize_classname(classname)
			if classname =~ /^Qext/
				now = classname.sub(/^Qext(?=[A-Z])/,'Qext::')
			elsif classname =~ /^Q/
				now = classname.sub(/^Q(?=[A-Z])/,'Qt::')
			elsif classname =~ /^(KConfigSkeleton|KWin)::/
				now = classname.sub(/^K?(?=[A-Z])/,'KDE::')
			elsif classname !~ /::/
				now = classname.sub(/^K?(?=[A-Z])/,'KDE::')
			else
				now = classname
			end
			# puts "normalize_classname = was::#{classname}, now::#{now}"
			now
		end

		def Internal.init_class(c)
			classname = Qt::Internal::normalize_classname(c)
			classId = Qt::Internal.idClass(c)
			insert_pclassid(classname, classId)
			@@idclass[classId] = classname
			@@cpp_names[classname] = c
			klass = isQObject(classId) ? create_qobject_class(classname) \
                                                   : create_qt_class(classname)
			@@classes[classname] = klass unless klass.nil?
		end

		def Internal.debug_level
			Qt.debug_level
		end

		def Internal.checkarg(argtype, typename)
			puts "      #{typename} (#{argtype})" if debug_level >= DebugLevel::High
			if argtype == 'i'
				if typename =~ /^int&?$|^signed int&?$|^signed$|^Q_INT32&?$/
					return 1
				elsif typename =~ /^(?:short|ushort|unsigned short int|uchar|uint|long|ulong|unsigned long int|unsigned|float|double|Q_UINT32|Q_UINT16|Q_INT16)$/
					return 0
				else 
					t = typename.sub(/^const\s+/, '')
					t.sub!(/[&*]$/, '')
					if isEnum(t)
						return 0
					end
				end
			elsif argtype == 'n'
				if typename =~ /^double$/
					return 2
				elsif typename =~ /^float$/
					return 1
				elsif typename =~ /^int&?$/
					return 0
				elsif typename =~ /^(?:short|ushort|uint|long|ulong|signed|unsigned|float|double)$/
					return 0
				else 
					t = typename.sub(/^const\s+/, '')
					t.sub!(/[&*]$/, '')
					if isEnum(t)
						return 0
					end
				end
			elsif argtype == 'B'
				if typename =~ /^(?:bool)[*&]?$/
					return 0
				end
			elsif argtype == 's'
				if typename =~ /^(const )?((QChar)[*&]?)$/
					return 1
				elsif typename =~ /^(?:u?char\*|const u?char\*|(?:const )?(Q(C?)String)[*&]?)$/
					qstring = !$1.nil?
					c = ("C" == $2)
					return c ? 2 : (qstring ? 3 : 0)
				end
			elsif argtype == 'a'
				# FIXME: shouldn't be hardcoded. Installed handlers should tell what ruby type they expect.
				if typename =~ /^(?:
						const\ QCOORD\*|
						(?:const\ )?
						(?:
						    QStringList[\*&]?|
						    QValueList<int>[\*&]?|
						    QRgb\*|
						    char\*\*
						)
					        )$/x
					return 0
				end
			elsif argtype == 'u'
				# Give nil matched against string types a higher score than anything else
				if typename =~ /^(?:u?char\*|const u?char\*|(?:const )?((Q(C?)String))[*&]?)$/
					return 1
				# Numerics will give a runtime conversion error, so they fail the match
				elsif typename =~ /^(?:short|ushort|uint|long|ulong|signed|unsigned|int)$/
					return -99
				else
					return 0
				end
			elsif argtype == 'U'
				if typename =~ /QStringList/
					return 1
				else
					return 0
				end
			else
				t = typename.sub(/^const\s+/, '')
				t.sub!(/[&*]$/, '')
				if argtype == t
					return 1
				elsif classIsa(argtype, t)
					return 0
				elsif isEnum(argtype) and 
						(t =~ /int|Q_INT32|uint|Q_UINT32|long|ulong/ or isEnum(t))
					return 0
				end
			end
			return -99
		end

		def Internal.find_class(classname)
			# puts @@classes.keys.sort.join "\n"
			@@classes[classname]
		end
		
		# Runs the initializer as far as allocating the Qt C++ instance.
		# Then use a throw to jump back to here with the C++ instance 
		# wrapped in a new ruby variable of type T_DATA
		def Internal.try_initialize(instance, *args)
			initializer = instance.method(:initialize)
			catch "newqt" do
				initializer.call(*args)
			end
		end
		
        # If a block was passed to the constructor, then
		# run that now. Either run the context of the new instance
		# if no args were passed to the block. Or otherwise,
		# run the block in the context of the arg.
		def Internal.run_initializer_block(instance, block)
			if block.arity == -1
				instance.instance_eval(&block)
			elsif block.arity == 1
				block.call(instance)
			else
				raise ArgumentError, "Wrong number of arguments to block(#{block.arity} for 1)"
			end
		end

		def Internal.do_method_missing(package, method, klass, this, *args)
			if klass.class == Module
				classname = klass.name
			else
				classname = @@cpp_names[klass.name]
				if classname.nil?
					if klass != Object and klass != Qt
						return do_method_missing(package, method, klass.superclass, this, *args)
					else
						return nil
					end
				end
			end
			
			if method == "new"
				method = classname.dup 
				method.gsub!(/^(KParts|KIO|KNS|DOM|Kontact|Kate|KTextEditor|KConfigSkeleton::ItemEnum|KConfigSkeleton|KWin)::/,"")
			end
			method = "operator" + method.sub("@","") if method !~ /[a-zA-Z]+/
			# Change foobar= to setFoobar()					
			method = 'set' + method[0,1].upcase + method[1,method.length].sub("=", "") if method =~ /.*[^-+%\/|=]=$/

			methods = []
			methods << method.dup
			args.each do |arg|
				if arg.nil?
					# For each nil arg encountered, triple the number of munged method
					# templates, in order to cover all possible types that can match nil
					temp = []
					methods.collect! do |meth| 
						temp << meth + '?' 
						temp << meth + '#'
						meth << '$'
					end
					methods.concat(temp)
				elsif isObject(arg)
					methods.collect! { |meth| meth << '#' }
				elsif arg.kind_of? Array or arg.kind_of? Hash
					methods.collect! { |meth| meth << '?' }
				else
					methods.collect! { |meth| meth << '$' }
				end
			end
			
			methodIds = []
			methods.collect { |meth| methodIds.concat( findMethod(classname, meth) ) }
			
			if method =~ /_/ && methodIds.length == 0
				# If the method name contains underscores, convert to camel case
				# form and try again
				method.gsub!(/(.)_(.)/) {$1 + $2.upcase}
				return do_method_missing(package, method, klass, this, *args)
			end

			if debug_level >= DebugLevel::High
				puts "classname    == #{classname}"
				puts ":: method == #{method}"
				puts "-> methodIds == #{methodIds.inspect}"
				puts "candidate list:"
				prototypes = dumpCandidates(methodIds).split("\n")
				line_len = (prototypes.collect { |p| p.length }).max
				prototypes.zip(methodIds) { 
					|prototype,id| puts "#{prototype.ljust line_len}  (#{id})" 
				}
			end
			
			chosen = nil
			if methodIds.length > 0
				best_match = -1
				methodIds.each do
					|id|
					puts "matching => #{id}" if debug_level >= DebugLevel::High
					current_match = 0
					(0...args.length).each do
						|i|
						current_match += checkarg( getVALUEtype(args[i]), getTypeNameOfArg(id, i) )
					end
					
					# Note that if current_match > best_match, then chosen must be nil
					if current_match > best_match
						best_match = current_match
						chosen = id
					# Multiple matches are an error; the equality test below _cannot_ be commented out.
					# If ambiguous matches occur the problem must be fixed be adjusting the relative
					# ranking of the arg types involved in checkarg().
					elsif current_match == best_match
						chosen = nil
					end
					puts "match => #{id} score: #{current_match}" if debug_level >= DebugLevel::High
				end
					
				puts "Resolved to id: #{chosen}" if !chosen.nil? && debug_level >= DebugLevel::High
			end

			if debug_level >= DebugLevel::Minimal && chosen.nil? && method !~ /^operator/
				id = find_pclassid(normalize_classname(klass.name))
				hash = findAllMethods(id)
				constructor_names = nil
				if method == classname
					puts "No matching constructor found, possibles:\n"
					constructor_names = hash.keys.grep(/^#{classname}/)
				else
					puts "Possible prototypes:"
					constructor_names = hash.keys
				end
				method_ids = hash.values_at(*constructor_names).flatten
				puts dumpCandidates(method_ids)
			end

			puts "setCurrentMethod(#{chosen})" if debug_level >= DebugLevel::High
			setCurrentMethod(chosen) if chosen
			return nil
		end

		def Internal.init_all_classes()
			Qt::Internal::getClassList().each do |c|
				if c == "Qt"
					# Don't change Qt to Qt::t, just leave as is
					@@cpp_names["Qt"] = c
				elsif c != "QInternal"
					Qt::Internal::init_class(c)
				end
			end

			@@classes['Qt::Integer'] = Qt::Integer
			@@classes['Qt::Boolean'] = Qt::Boolean
			@@classes['Qt::Enum'] = Qt::Enum
		end
		
		def Internal.get_qinteger(num)
			return num.value
		end
		
		def Internal.set_qinteger(num, val)
			return num.value = val
		end
		
		def Internal.create_qenum(num, type)
			return Qt::Enum.new(num, type)
		end
		
		def Internal.get_qenum_type(e)
			return e.type
		end
		
		def Internal.get_qboolean(b)
			return b.value
		end
		
		def Internal.set_qboolean(b, val)
			return b.value = val
		end

		def Internal.getAllParents(class_id, res)
			getIsa(class_id).each do |s|
				c = idClass(s)
				res << c
				getAllParents(c, res)
			end
		end
	
		def Internal.getSignalNames(klass)
			meta = Meta[klass.name] || MetaInfo.new(klass)
			signal_names = []
			meta.get_signals.each do |signal|
				signal_names.push signal.name
			end
			return signal_names 
		end
	
		def Internal.signalInfo(qobject, signal_name)
			signals = Meta[qobject.class.name].get_signals
			signals.each_with_index do |signal, i|
				if signal.name == signal_name
					return [signal.full_name, i]
				end
			end
		end
	
		def Internal.signalAt(qobject, index)
			klass = qobject.class
			begin
				meta = Meta[klass.name]
				klass = klass.superclass
			end while meta.nil? and klass != Object
			meta.get_signals[index].full_name
		end
	
		def Internal.slotAt(qobject, index)
			klass = qobject.class
			begin
				meta = Meta[klass.name]
				klass = klass.superclass
			end while meta.nil? and klass != Object
			meta.get_slots[index].full_name
		end
	
		def Internal.getMocArguments(member)
			argStr = member.sub(/.*\(/, '').sub(/\)$/, '')
			args = argStr.scan(/([^,]*<[^>]+>)|([^,]+)/)
			mocargs = allocateMocArguments(args.length)
			args.each_with_index do |arg, i|
				arg = arg.to_s
				a = arg.sub(/^const\s+/, '')
				a = (a =~ /^(bool|int|double|char\*|QString)&?$/) ? $1 : 'ptr'
				valid = setMocType(mocargs, i, arg, a)
			end
			result = []
			result << args.length << mocargs
			result
		end
	
		def Internal.makeMetaData(data)
			return nil if data.nil?
			tbl = []
			data.each do |entry|
				name = entry.name
				argStr = entry.arg_types
				params = []
				args = argStr.scan(/[^,]+/)
				args.each do |arg|
					name = '' # umm.. is this the aim?, well. it works. soo... ;-)
					param = make_QUParameter(name, arg, 0, 1)
									params << param
				end
				method = make_QUMethod(name, params)
				tbl << make_QMetaData(entry.full_name, method)
			end
			make_QMetaData_tbl(tbl)
		end
		
		def Internal.getMetaObject(qobject)
			klass = qobject.class
			begin
				meta = Meta[klass.name]
				klass = klass.superclass
			end while meta.nil? and klass != Object

			return nil if meta.nil?
	
			if meta.metaobject.nil? or meta.changed
				slots 			= meta.get_slots
				slotTable       = makeMetaData(slots)
				signals 		= meta.get_signals
				signalTable     = makeMetaData(signals)
				meta.metaobject = make_metaObject(qobject.class.name, 
												qobject.staticMetaObject(),
												slotTable, 
												slots.length,
												signalTable, 
												signals.length)
				addSignalMethods(qobject.class, getSignalNames(qobject.class))
				meta.changed = false
			end
			
			meta.metaobject
		end

		def Internal.connect(src, signal, target, block)
			signature = (signal =~ /\((.*)\)/) ? $1 : ""
			return Qt::Object.connect(	src,
										signal,
										Qt::BlockInvocation.new(target, block, signature),
										SLOT("invoke(#{signature})") )
		end

		def Internal.signal_connect(src, signal, block)
			signature = (signal =~ /\((.*)\)/) ? $1 : ""
			return Qt::Object.connect(	src,
										signal,
										Qt::SignalBlockInvocation.new(src, block, signature),
										SLOT("invoke(#{signature})") )
		end
	end # Qt::Internal

	Meta = {}
	
	# An entry for each signal or slot
	# Example 
	#  foobar(QString,bool)
	#  :name is 'foobar'
	#  :full_name is 'foobar(QString,bool)'
	#  :arg_types is 'QString,bool'
	QObjectMember = Struct.new :name, :full_name, :arg_types

	class MetaInfo
		attr_accessor :signals, :slots, :metaobject, :mocargs, :changed
		def initialize(klass)
			Meta[klass.name] = self
			@klass = klass
			@metaobject = nil
			@signals = []
			@slots = []
			@changed = false
			Internal.addMetaObjectMethods(klass)
		end
		
		def add_signals(signal_list)
			signal_list.each do |signal|
				if signal.kind_of? Symbol
					signal = signal.to_s + "()"
				end
				signal = Qt::Object.normalizeSignalSlot(signal)
				if signal =~ /([^\s]*)\((.*)\)/
					@signals.push QObjectMember.new($1, signal, $2)
				else
					qWarning( "#{@klass.name}: Invalid signal format: '#{signal}'" )
				end
			end
		end
		
		# Return a list of signals, including inherited ones
		def get_signals
			all_signals = []
			current = @klass
			while current != Qt::Base
				meta = Meta[current.name]
				if !meta.nil?
					all_signals.concat meta.signals
				end
				current = current.superclass
			end
			return all_signals
		end
		
		def add_slots(slot_list)
			slot_list.each do |slot|
				if slot.kind_of? Symbol
					slot = slot.to_s + "()"
				end
				slot = Qt::Object.normalizeSignalSlot(slot)
				if slot =~ /([^\s]*)\((.*)\)/
					@slots.push QObjectMember.new($1, slot, $2)
				else
					qWarning( "#{@klass.name}: Invalid slot format: '#{slot}'" )
				end
			end
		end
		
		# Return a list of slots, including inherited ones
		def get_slots
			all_slots = []
			current = @klass
			while current != Qt::Base
				meta = Meta[current.name]
				if !meta.nil?
					all_slots.concat meta.slots
				end
				current = current.superclass
			end
			return all_slots
		end
	end # Qt::MetaInfo

	IO_Direct     = 0x0100
	IO_Sequential = 0x0200
	IO_Combined   = 0x0300
	IO_TypeMask   = 0x0f00
	IO_Raw        = 0x0040
	IO_Async      = 0x0080
	IO_ReadOnly   = 0x0001
	IO_WriteOnly  = 0x0002
	IO_ReadWrite  = 0x0003
	IO_Append     = 0x0004
	IO_Truncate   = 0x0008
	IO_Translate  = 0x0010
	IO_ModeMask   = 0x00ff
	IO_Open       = 0x1000
	IO_StateMask  = 0xf000
	IO_Ok              = 0
	IO_ReadError       = 1
	IO_WriteError      = 2
	IO_FatalError      = 3
	IO_ResourceError   = 4       
	IO_OpenError       = 5
	IO_ConnectError    = 5
	IO_AbortError      = 6
	IO_TimeOutError    = 7
	IO_UnspecifiedError= 8
		
end # Qt

class Object
	def SIGNAL(signal)
		if signal.kind_of? Symbol
			return "2" + signal.to_s + "()"
		else
			return "2" + signal
		end
	end

	def SLOT(slot)
		if slot.kind_of? Symbol
			return "1" + slot.to_s + "()"
		else
			return "1" + slot
		end
	end

	def emit(signal)
		return signal
	end

	# See the discussion here: http://eigenclass.org/hiki.rb?instance_exec
	# about implementations of the ruby 1.9 method instance_exec(). This
	# version is the one from Rails. It isn't thread safe, but that doesn't
	# matter for the intended use in invoking blocks as Qt slots.
	def instance_exec(*arguments, &block)
		block.bind(self)[*arguments]
	end
end

class Proc 
	# Part of the Rails Object#instance_exec implementation
	def bind(object)
		block, time = self, Time.now
		(class << object; self end).class_eval do
			method_name = "__bind_#{time.to_i}_#{time.usec}"
			define_method(method_name, &block)
			method = instance_method(method_name)
			remove_method(method_name)
			method
		end.bind(object)
	end
end

class Module
	alias_method :_constants, :constants
	alias_method :_instance_methods, :instance_methods
	alias_method :_protected_instance_methods, :protected_instance_methods
	alias_method :_public_instance_methods, :public_instance_methods

	private :_constants, :_instance_methods
	private :_protected_instance_methods, :_public_instance_methods

	def constants
		qt_methods(_constants, 0x10, true)
	end

	def instance_methods(inc_super=true)
		qt_methods(_instance_methods(inc_super), 0x0, inc_super)
	end

	def protected_instance_methods(inc_super=true)
		qt_methods(_protected_instance_methods(inc_super), 0x80, inc_super)
	end

	def public_instance_methods(inc_super=true)
		qt_methods(_public_instance_methods(inc_super), 0x0, inc_super)
	end

	private
	def qt_methods(meths, flags, inc_super=true)
		if !self.kind_of? Class
			return meths
		end

		klass = self
		classid = 0
		loop do
			classid = Qt::Internal::find_pclassid(klass.name)
			break if classid > 0
			
			klass = klass.superclass
			if klass.nil?
				return meths
			end
		end

		# These methods are all defined in Qt::Base, even if they aren't supported by a particular
		# subclass, so remove them to avoid confusion
		meths -= ["%", "&", "*", "**", "+", "-", "-@", "/", "<", "<<", "<=", ">", ">=", ">>", "|", "~", "^"]
		ids = []
		if inc_super
			Qt::Internal::getAllParents(classid, ids)
		end
		ids << classid
		ids.each { |c| Qt::Internal::findAllMethodNames(meths, c, flags) }
		return meths.uniq
	end
end