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:



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# File 'lib/fzeet/windows/user/Window/Common.rb', line 718

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.



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# File 'lib/fzeet/windows/user/Window/Common.rb', line 793

def client
  @client
end

#parent ⇒ Object (readonly)

Returns the value of attribute parent.



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# File 'lib/fzeet/windows/user/Window/Common.rb', line 793

def parent
  @parent
end

#ribbon ⇒ Object (readonly)

Returns the value of attribute ribbon.



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# File 'lib/fzeet/windows/user/Window/Common.rb', line 793

def ribbon
  @ribbon
end

Class Method Details

.[](name, opts = {}) ⇒ Object 



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# File 'lib/fzeet/windows/user/Window/Common.rb', line 667

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

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



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# File 'lib/fzeet/windows/user/Window/Common.rb', line 673

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 



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# File 'lib/fzeet/windows/user/Window/Common.rb', line 795

def dispose; Windows.DestroyWindow(@handle) end

#on(*args, &block) ⇒ Object 



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# File 'lib/fzeet/windows/user/Window/Common.rb', line 869

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 



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# File 'lib/fzeet/windows/user/Window/Common.rb', line 851

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 



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# File 'lib/fzeet/windows/user/Window/Common.rb', line 845

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

	self
end

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



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# File 'lib/fzeet/windows/user/Window/Common.rb', line 860

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 



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# File 'lib/fzeet/windows/user/Window/Common.rb', line 891

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 



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# File 'lib/fzeet/windows/user/Window/Common.rb', line 797

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