Class: Fzeet::BasicWindow

Inherits:
Handle
  • Object
show all
Includes:
WindowMethods
Defined in:
lib/fzeet/windows/user/Window/Common.rb

Constant Summary collapse

Prefix = 
{
	xstyle: [:ws_ex_],
	style: [:ws_, :ds_],
	message: [:wm_],
	notification: []
}
WindowProc = 
FFI::Function.new(:long, [:pointer, :uint, :uint, :long], convention: :stdcall) { |hwnd, uMsg, wParam, lParam|
	begin
		if uMsg == Windows::WM_NCCREATE
			@@instances[hwnd.to_i] = ObjectSpace._id2ref(
				Windows::CREATESTRUCT.new(FFI::Pointer.new(lParam))[:lpCreateParams].to_i
			)

			@@instances[hwnd.to_i].instance_variable_set(:@handle, hwnd)
		end

		result = @@instances[hwnd.to_i].windowProc(hwnd, uMsg, wParam, lParam) if @@instances[hwnd.to_i]
	rescue
		answer = Fzeet.message %Q{#{$!}\n\n#{$!.backtrace.join("\n")}}, buttons: [:abort, :retry, :ignore], icon: :error

		Application.quit if answer.abort?
	ensure
		if uMsg == Windows::WM_NCDESTROY
			@@instances[hwnd.to_i].dialog = false

			@@instances.delete(hwnd.to_i)
		end
	end

	result || Windows.DefWindowProc(hwnd, uMsg, wParam, lParam)
}
FrameProc = 
FFI::Function.new(:long, [:pointer, :uint, :uint, :long], convention: :stdcall) { |hwnd, uMsg, wParam, lParam|
	begin
		if uMsg == Windows::WM_NCCREATE
			@@instances[hwnd.to_i] = ObjectSpace._id2ref(
				Windows::CREATESTRUCT.new(FFI::Pointer.new(lParam))[:lpCreateParams].to_i
			)

			@@instances[hwnd.to_i].instance_variable_set(:@handle, hwnd)
		end

		if uMsg == Windows::WM_CREATE
			@@instances[hwnd.to_i].menu = Menu.new.
				append(:popup, '&Windows', PopupMenu.new.
					append(:string, 'Tile &Horizontal', :tileHorz).
					append(:string, 'Tile &Vertical', :tileVert).
					append(:string, '&Cascade', :cascade).
					append(:string, 'Arrange &Icons', :arrangeIcons)
				)

			ccs = Windows::CLIENTCREATESTRUCT.new

			ccs[:hWindowMenu] = @@instances[hwnd.to_i].menu.submenus[0].handle
			ccs[:idFirstChild] = 50000

			hwndClient = Windows.DetonateLastError(FFI::Pointer::NULL, :CreateWindowEx,
				0, 'MDIClient', nil, Fzeet.flags([:child, :clipsiblings, :clipchildren, :visible], :ws_),
				0, 0, 0, 0,
				hwnd, nil, Windows.GetModuleHandle(nil), ccs
			)

			@@instances[hwnd.to_i].instance_variable_set(:@client, Handle.wrap(hwndClient, WindowMethods))

			@@instances[hwnd.to_i].
				on(:command, :tileHorz) { Windows.TileWindows(hwndClient, Windows::MDITILE_HORIZONTAL, nil, 0, nil) }.
				on(:command, :tileVert) { Windows.TileWindows(hwndClient, Windows::MDITILE_VERTICAL, nil, 0, nil) }.
				on(:command, :cascade) { Windows.CascadeWindows(hwndClient, Windows::MDITILE_ZORDER, nil, 0, nil) }.
				on(:command, :arrangeIcons) { Windows.ArrangeIconicWindows(hwndClient) }.

				on(:initmenupopup) { |args|
					[:tileHorz, :tileVert, :cascade, :arrangeIcons].each { |command|
						@@instances[hwnd.to_i].menu[command].enabled = !Windows.GetWindow(hwndClient, Windows::GW_CHILD).null?
					}
				}
		end

		result = @@instances[hwnd.to_i].windowProc(hwnd, uMsg, wParam, lParam) if @@instances[hwnd.to_i]
	rescue
		answer = Fzeet.message %Q{#{$!}\n\n#{$!.backtrace.join("\n")}}, buttons: [:abort, :retry, :ignore], icon: :error

		Application.quit if answer.abort?
	ensure
		if uMsg == Windows::WM_NCDESTROY
			@@instances[hwnd.to_i].dialog = false

			@@instances.delete(hwnd.to_i)
		end
	end

	hwndClient = @@instances[hwnd.to_i] && @@instances[hwnd.to_i].client && @@instances[hwnd.to_i].client.handle

	result || Windows.DefFrameProc(hwnd, hwndClient, uMsg, wParam, lParam)
}
MDIChildProc = 
FFI::Function.new(:long, [:pointer, :uint, :uint, :long], convention: :stdcall) { |hwnd, uMsg, wParam, lParam|
	begin
		if uMsg == Windows::WM_NCCREATE
			@@instances[hwnd.to_i] = ObjectSpace._id2ref(
				Windows::MDICREATESTRUCT.new(
					Windows::CREATESTRUCT.new(FFI::Pointer.new(lParam))[:lpCreateParams]
				)[:lParam]
			)

			@@instances[hwnd.to_i].instance_variable_set(:@handle, hwnd)
		end

		result = @@instances[hwnd.to_i].windowProc(hwnd, uMsg, wParam, lParam) if @@instances[hwnd.to_i]
	rescue
		answer = Fzeet.message %Q{#{$!}\n\n#{$!.backtrace.join("\n")}}, buttons: [:abort, :retry, :ignore], icon: :error

		Application.quit if answer.abort?
	ensure
		if uMsg == Windows::WM_NCDESTROY
			@@instances[hwnd.to_i].dialog = false

			@@instances.delete(hwnd.to_i)
		end
	end

	result || Windows.DefMDIChildProc(hwnd, uMsg, wParam, lParam)
}
DialogProc = 
FFI::Function.new(:int, [:pointer, :uint, :uint, :long], convention: :stdcall) { |hwnd, uMsg, wParam, lParam|
	begin
		if uMsg == Windows::WM_INITDIALOG
			@@instances[hwnd.to_i] = ObjectSpace._id2ref(lParam)

			@@instances[hwnd.to_i].instance_variable_set(:@handle, hwnd)
		end

		result = @@instances[hwnd.to_i].windowProc(hwnd, uMsg, wParam, lParam) if @@instances[hwnd.to_i]
	rescue
		answer = Fzeet.message %Q{#{$!}\n\n#{$!.backtrace.join("\n")}}, buttons: [:abort, :retry, :ignore], icon: :error

		Application.quit if answer.abort?
	ensure
		if uMsg == Windows::WM_NCDESTROY
			@@instances[hwnd.to_i].dialog = false

			@@instances.delete(hwnd.to_i)
		end
	end

	(result.nil?) ? 0 : 1
}
WindowClass = 
Fzeet::WindowClass.new(nil, 'Fzeet.BasicWindow')

Constants included from WindowMethods

WindowMethods::EnumChildProc

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from WindowMethods

#[], #capture=, #capture?, #dialog=, #dialog?, #dlgmsg?, #drawMenuBar, #eachChild, #enabled=, #enabled?, #focus=, #focus?, #invalidate, #location, #location=, #long, #menu, #menu=, #message, #paint, #position, #position=, #postmsg, #question, #rect, #reframe, #sendmsg, #show, #size, #size=, #style, #style?, #text, #text=, #textlen, #topmost=, #topmost?, #update, #visible=, #visible?, #xstyle, #xstyle?

Methods included from Toggle

#toggle

Constructor Details

#initialize(opts = {}) {|_self, _opts| ... } ⇒ BasicWindow

Returns a new instance of BasicWindow.

Yields:

  • (_self, _opts)

Yield Parameters:



737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
 
# File 'lib/fzeet/windows/user/Window/Common.rb', line 737

def initialize(opts = {})
	_opts = {
		xstyle: [],
		caption: Application.name,
		style: [],
		x: Windows::CW_USEDEFAULT,
		y: Windows::CW_USEDEFAULT,
		width: Windows::CW_USEDEFAULT,
		height: Windows::CW_USEDEFAULT,
		parent: nil,
		menu: nil,
		position: [],
		anchor: nil
	}
	badopts = opts.keys - _opts.keys; raise "Bad option(s): #{badopts.join(', ')}." unless badopts.empty?
	_opts.merge!(opts)

	yield self, _opts if block_given?

	_opts[:xstyle] = Fzeet.flags(_opts[:xstyle], *self.class::Prefix[:xstyle])
	_opts[:caption] = _opts[:caption].to_s
	_opts[:style] = Fzeet.flags(_opts[:style], *self.class::Prefix[:style])
	_opts[:x], _opts[:y], _opts[:width], _opts[:height] = _opts[:position] unless _opts[:position].empty?

	@messages ||= {}
	@commands ||= {}
	@notifies ||= {}

	@processed = [0, 0]

	@handle = Windows.CreateWindowEx(
		_opts[:xstyle],  self.class::WindowClass.name, _opts[:caption], _opts[:style],
		_opts[:x], _opts[:y], _opts[:width], _opts[:height],
		_opts[:parent] && _opts[:parent].handle, nil, Windows.GetModuleHandle(nil), FFI::Pointer.new(object_id)
	)

	if @handle.null?
		raise "CreateWindowEx failed (last error #{Windows.GetLastError()})." unless [
			[Windows::WM_NCCREATE, 0], [Windows::WM_CREATE, -1],
			[Windows::WM_DESTROY, 0], [Windows::WM_NCDESTROY, 0]
		].include?(@processed)
	else
		@parent = _opts[:parent]
		self.menu = _opts[:menu] if _opts[:menu]

		on(:destroy) {
			menu.rdetach if self.menu

			eachChild(&:dispose)
		}

		case _opts[:anchor]
		when :ltr
			@parent.on(:size) { |args|
				self.position = @parent.rect.tap { |r| r[:bottom] = _opts[:height] }.to_a

				args[:result] = nil if @parent.class == MDIChild
			}
		when :lrb
			@parent.on(:size) { |args|
				self.position = @parent.rect.tap { |r| r[:top] = r[:bottom] - _opts[:height]; r[:bottom] = _opts[:height] }.to_a

				args[:result] = nil if @parent.class == MDIChild
			}
		when :ltrb
			@parent.on(:size) { |args|
				self.position = @parent.rect.to_a

				args[:result] = nil if @parent.class == MDIChild
			}
		else raise ArgumentError, "Bad anchor spec: #{_opts[:anchor]}."
		end if _opts[:anchor] && @parent
	end
end

Instance Attribute Details

#client ⇒ Object (readonly)

Returns the value of attribute client.



812
813
814
 
# File 'lib/fzeet/windows/user/Window/Common.rb', line 812

def client
  @client
end

#parent ⇒ Object (readonly)

Returns the value of attribute parent.



812
813
814
 
# File 'lib/fzeet/windows/user/Window/Common.rb', line 812

def parent
  @parent
end

#ribbon ⇒ Object (readonly)

Returns the value of attribute ribbon.



812
813
814
 
# File 'lib/fzeet/windows/user/Window/Common.rb', line 812

def ribbon
  @ribbon
end

Class Method Details

.[](name, opts = {}) ⇒ Object 



686
687
688
689
690
 
# File 'lib/fzeet/windows/user/Window/Common.rb', line 686

def self.[](name, opts = {})
	Class.new(self) {
		const_set(:WindowClass, Fzeet::WindowClass.new(self::WindowClass, name, opts))
	}
end

.crackMessage(hwnd, uMsg, wParam, lParam) ⇒ Object 



692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
 
# File 'lib/fzeet/windows/user/Window/Common.rb', line 692

def self.crackMessage(hwnd, uMsg, wParam, lParam)
	window = @@instances[hwnd.to_i]

	args = {
		hwnd: hwnd,
		uMsg: uMsg,
		wParam: wParam,
		lParam: lParam,
		result: (window.kind_of?(Dialog)) ? 1 : 0,
		window: window,
		sender: window
	}

	case uMsg
	when Windows::WM_CREATE
		args[:cs] = Windows::CREATESTRUCT.new(FFI::Pointer.new(lParam))
	when Windows::WM_NCCREATE
		args[:result] = 1
		args[:cs] = Windows::CREATESTRUCT.new(FFI::Pointer.new(lParam))
	when Windows::WM_COMMAND
		args[:command], args[:notification], args[:hctl] = Windows.LOWORD(wParam), Windows.HIWORD(wParam), FFI::Pointer.new(lParam)
		args[:sender] = @@instances[args[:hctl].to_i] unless args[:hctl].null?
	when Windows::WM_NOTIFY
		args[:nmh] = Windows::NMHDR.new(FFI::Pointer.new(lParam))
		args[:command], args[:notification], args[:hctl] = args[:nmh][:idFrom], args[:nmh][:code], args[:nmh][:hwndFrom]
		(args[:sender] = @@instances[args[:hctl].to_i]).class.crackNotification(args)
	when \
		Windows::WM_MOUSEMOVE,
		Windows::WM_LBUTTONDOWN, Windows::WM_LBUTTONUP, Windows::WM_LBUTTONDBLCLK,
		Windows::WM_RBUTTONDOWN, Windows::WM_RBUTTONUP, Windows::WM_RBUTTONDBLCLK,
		Windows::WM_MBUTTONDOWN, Windows::WM_MBUTTONUP, Windows::WM_MBUTTONDBLCLK,
		Windows::WM_CONTEXTMENU

		args[:x], args[:y] = Windows.GET_X_LPARAM(lParam), Windows.GET_Y_LPARAM(lParam)

		if uMsg == Windows::WM_CONTEXTMENU && args[:x] == -1
			Windows.DetonateLastError(0, :GetCursorPos, pt = Point.new)

			args[:keyboard], args[:x], args[:y] = true, pt[:x], pt[:y]
		end
	end

	args
end

Instance Method Details

#dispose ⇒ Object 



814
 
# File 'lib/fzeet/windows/user/Window/Common.rb', line 814

def dispose; Windows.DestroyWindow(@handle) end

#on(*args, &block) ⇒ Object 



888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
 
# File 'lib/fzeet/windows/user/Window/Common.rb', line 888

def on(*args, &block)
	args[0] =~ /^draw$/ and
		return onMessage(:paint) { |_args| paint { |dc| dc.select(*args[1..-1]) {
			case block.arity
			when 0; block.call
			when 1; block.call(dc)
			else block.call(dc, _args)
			end
		}}}

	case args.length
	when 1; onMessage(*args, &block)
	when 2, 3
		case Fzeet.constant(args.shift, :wm_)
		when Windows::WM_COMMAND; onCommand(*args, &block)
		when Windows::WM_NOTIFY; onNotify(*args, &block)
		else raise ArgumentError
		end
	else raise ArgumentError
	end
end

#onCommand(cmd, notification = :all, &block) ⇒ Object 



870
871
872
873
874
875
876
877
 
# File 'lib/fzeet/windows/user/Window/Common.rb', line 870

def onCommand(cmd, notification = :all, &block)
	notification = Fzeet.constant(notification, *self[cmd].class::Prefix[:notification]) unless
		notification.kind_of?(Integer) || notification == :all

	(((@commands ||= {})[Command[cmd]] ||= {})[notification] ||= []) << block

	self
end

#onMessage(msg, &block) ⇒ Object 



864
865
866
867
868
 
# File 'lib/fzeet/windows/user/Window/Common.rb', line 864

def onMessage(msg, &block)
	((@messages ||= {})[Fzeet.constant(msg, :wm_)] ||= []) << block

	self
end

#onNotify(cmd, notification = :all, &block) ⇒ Object 



879
880
881
882
883
884
885
886
 
# File 'lib/fzeet/windows/user/Window/Common.rb', line 879

def onNotify(cmd, notification = :all, &block)
	notification = Fzeet.constant(notification, *self[cmd].class::Prefix[:notification]) unless
		notification.kind_of?(Integer) || notification == :all

	(((@notifies ||= {})[Command[cmd]] ||= {})[notification] ||= []) << block

	self
end

#stubNotImplementedCommands ⇒ Object 



910
911
912
913
914
915
916
917
918
 
# File 'lib/fzeet/windows/user/Window/Common.rb', line 910

def stubNotImplementedCommands
	Command.instance_variable_get(:@ids).each { |command, id|
		next if @commands.find { |_id, handlers| _id == id }

		on(:command, id) { message "Not Implemented (#{command})", icon: :warning }
	}

	self
end

#windowProc(hwnd, uMsg, wParam, lParam) ⇒ Object 



816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
 
# File 'lib/fzeet/windows/user/Window/Common.rb', line 816

def windowProc(hwnd, uMsg, wParam, lParam)
	args, result = nil, nil

	if (handlers = @messages[uMsg])
		args ||= self.class.crackMessage(hwnd, uMsg, wParam, lParam)

		handlers.each { |handler|
			(handler.arity == 0) ? handler.call : handler.call(args)

			result = args[:result]; @processed[0], @processed[1] = uMsg, result
		}
	end

	if uMsg == Windows::WM_COMMAND && (handlers = @commands[Windows.LOWORD(wParam)])
		args ||= self.class.crackMessage(hwnd, uMsg, wParam, lParam)

		handlers[:all].each { |handler|
			(handler.arity == 0) ? handler.call : handler.call(args)

			result = args[:result]; @processed[0], @processed[1] = uMsg, result
		} if handlers[:all]

		handlers[Windows.HIWORD(wParam)].each { |handler|
			(handler.arity == 0) ? handler.call : handler.call(args)

			result = args[:result]; @processed[0], @processed[1] = uMsg, result
		} if handlers[Windows.HIWORD(wParam)]
	end

	if uMsg == Windows::WM_NOTIFY && (handlers = @notifies[(nmh = Windows::NMHDR.new(FFI::Pointer.new(lParam)))[:idFrom]])
		args ||= self.class.crackMessage(hwnd, uMsg, wParam, lParam)

		handlers[:all].each { |handler|
			(handler.arity == 0) ? handler.call : handler.call(args)

			result = args[:result]; @processed[0], @processed[1] = uMsg, result
		} if handlers[:all]

		handlers[nmh[:code]].each { |handler|
			(handler.arity == 0) ? handler.call : handler.call(args)

			result = args[:result]; @processed[0], @processed[1] = uMsg, result
		} if handlers[nmh[:code]]
	end

	result
end