Class: FXIrb

Inherits:
FXText
  • Object
show all
Includes:
Responder, Singleton
Defined in:
lib/fxirb.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(p, tgt, sel, opts) ⇒ FXIrb

Returns a new instance of FXIrb.



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# File 'lib/fxirb.rb', line 122

def initialize(p, tgt, sel, opts)
	@parent = p
	FXMAPFUNC(SEL_KEYRELEASE, 0, "onKeyRelease")
	FXMAPFUNC(SEL_KEYPRESS, 0, "onKeyPress")
	FXMAPFUNC(SEL_LEFTBUTTONPRESS,0,"onLeftBtnPress")
	FXMAPFUNC(SEL_MIDDLEBUTTONPRESS,0,"onMiddleBtnPress")
	FXMAPFUNC(SEL_LEFTBUTTONRELEASE,0,"onLeftBtnRelease")

	super
	setFont(FXFont.new(FXApp.instance, "lucida console", 9))
end

Instance Attribute Details

#input ⇒ Object (readonly)

Returns the value of attribute input.



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# File 'lib/fxirb.rb', line 108

def input
  @input
end

Class Method Details

.init(p, tgt, sel, opts) ⇒ Object 



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# File 'lib/fxirb.rb', line 110

def FXIrb.init(p, tgt, sel, opts)
	unless @__instance__
		Thread.critical = true
		begin
			@__instance__ ||= new(p, tgt, sel, opts)
		ensure
			Thread.critical = false
		end
	end
	return @__instance__
end

Instance Method Details

#create ⇒ Object 



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# File 'lib/fxirb.rb', line 134

def create
	super
	restart
end

#emptyline? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fxirb.rb', line 262

def emptyline?
	getline == ""
end

#getline ⇒ Object 



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# File 'lib/fxirb.rb', line 252

def getline
	extractText(@anchor, getLength-@anchor)
end

#gets ⇒ Object 



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# File 'lib/fxirb.rb', line 317

def gets
	@anchor = getLength
	if !@inputAdded
		Thread.stop
	end
	@inputAdded = false
	return @input[0].gets
end

#indented? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fxirb.rb', line 266

def indented?
	extractText(@anchor-2, 2) == "  "
end

#newLineEntered ⇒ Object 



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# File 'lib/fxirb.rb', line 290

def newLineEntered
	processCommandLine(extractText(@anchor, getLength-@anchor))
end

#onKeyPress(sender, sel, event) ⇒ Object 



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# File 'lib/fxirb.rb', line 169

def onKeyPress(sender,sel,event)
	case event.code
	when Fox::KEY_Return, Fox::KEY_KP_Enter
		setCursorPos(getLength)
		super
	when Fox::KEY_Up,Fox::KEY_KP_Up
		str = @im.prevCmd.chop
		if str != ""
			removeText(@anchor, getLength-@anchor)
			write(str)
		end
	when Fox::KEY_Down,Fox::KEY_KP_Down
		str = @im.nextCmd.chop
		if str != ""
			removeText(@anchor, getLength-@anchor)
			write(str)
		end
	when Fox::KEY_Left,Fox::KEY_KP_Left
		if getCursorPos > @anchor
			super
		end
	when Fox::KEY_Delete,Fox::KEY_KP_Delete,Fox::KEY_BackSpace
		if getCursorPos > @anchor
			super
		end
	when Fox::KEY_Home, Fox::KEY_KP_Home
		setCursorPos(@anchor)
	when Fox::KEY_End, Fox::KEY_KP_End
		setCursorPos(getLength)
	when Fox::KEY_Page_Up, Fox::KEY_KP_Page_Up,
		Fox::KEY_Page_Down, Fox::KEY_KP_Page_Down
	when Fox::KEY_bracketright
		#auto-dedent if the } or ] is on a line by itself
		if (emptyline? or (getline == "en")) and indented?
			str = getline
			@anchor -= 2
			rmline
			appendText(str)
			setCursorPos(getLength)
		end
		super
	when Fox::KEY_u
		if (event.state & CONTROLMASK) != 0 
			str = extractText(getCursorPos, getLength - getCursorPos)
			rmline
			appendText(str)
			setCursorPos(@anchor)
		end
		super
	when Fox::KEY_k
		if (event.state & CONTROLMASK) != 0
			str = extractText(@anchor, getCursorPos-@anchor)
			rmline
			appendText(str)
			setCursorPos(getLength)
		end
		super
	when Fox::KEY_d
		if (event.state & CONTROLMASK) != 0
			restart
=begin
			#Ctrl - D
		  rmline
			appendText(exit)
			sendCommand("exit")
			newLineEntered
=end
		else
			# test for 'end' so we can dedent
			if (getline == "en") and indented?
				str = getline
				@anchor -= 2
				rmline
				appendText(str)
				setCursorPos(getLength)
			end
		end
		super
	else
		super
	end
end

#onKeyRelease(sender, sel, event) ⇒ Object 



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# File 'lib/fxirb.rb', line 161

def onKeyRelease(sender, sel, event)
	case event.code
	when Fox::KEY_Return, Fox::KEY_KP_Enter
		newLineEntered
	end
	return 1
end

#onLeftBtnPress(sender, sel, event) ⇒ Object 



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# File 'lib/fxirb.rb', line 270

def onLeftBtnPress(sender,sel,event)
	@store_anchor = @anchor
	setFocus
	super
end

#onLeftBtnRelease(sender, sel, event) ⇒ Object 



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# File 'lib/fxirb.rb', line 276

def onLeftBtnRelease(sender,sel,event)
	super
	@anchor = @store_anchor
	setCursorPos(@anchor)
	setCursorPos(getLength)
end

#onMiddleBtnPress(sender, sel, event) ⇒ Object 



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# File 'lib/fxirb.rb', line 283

def onMiddleBtnPress(sender,sel,event)
	pos=getPosAt(event.win_x,event.win_y)
	if pos >= @anchor
		super
	end
end

#processCommandLine(cmd) ⇒ Object 



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# File 'lib/fxirb.rb', line 294

def processCommandLine(cmd)
	#write("[#{cmd}]")
	@input[1].puts cmd
	@inputAdded = true
	@irb.run
end

#restart ⇒ Object 



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# File 'lib/fxirb.rb', line 139

def restart
	setFocus
	setText("")
	# IRB initialization
	@inputAdded = false
	@input = IO.pipe
	$DEFAULT_OUTPUT = self

	@im = FXIRBInputMethod.new
	if @irb
		@irb.kill
		@irb = Thread.new {
			IRB.restart(@im)
		}
	else
		@irb = Thread.new {
			IRB.start_in_fxirb(@im)
		}
	end
end

#rmline ⇒ Object 



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# File 'lib/fxirb.rb', line 256

def rmline
	str = getline
	removeText(@anchor, getLength-@anchor)
	str
end

#sendCommand(cmd) ⇒ Object 



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# File 'lib/fxirb.rb', line 301

def sendCommand(cmd)
	setCursorPos(getLength)
	makePositionVisible(getLength) unless isPosVisible(getLength)
	cmd += "\n"
	appendText(cmd)
	processCommandLine(cmd)
end

#write(obj) ⇒ Object 



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# File 'lib/fxirb.rb', line 309

def write(obj)
	str = obj.to_s
	appendText(str)
	setCursorPos(getLength)
	makePositionVisible(getLength) unless isPosVisible(getLength)
	return str.length
end