#appModules/teamtalk4classic.py
#A part of NonVisual Desktop Access (NVDA)
# Copyright (C) 2010-2012 NV Access Limited
#This file is covered by the GNU General Public License.
#See the file COPYING for more details.

import controlTypes
import appModuleHandler
from NVDAObjects.behaviors import ProgressBar
from NVDAObjects.window import edit
import ui

class AppModule(appModuleHandler.AppModule):
	lastLength=0

	def event_NVDAObject_init(self,obj):
		# The richedit control displaying incoming chat does not return correct _isWindowUnicode flag.
		if obj.windowClassName=="RichEdit20A":
			obj._isWindowUnicode=False
		if obj.windowControlID == 1002:
			obj.name = 'Output Volume'
		elif obj.windowControlID == 1342:
			obj.name = 'Input Volume'
		elif obj.windowControlID == 1001 and obj.role == controlTypes.ROLE_SLIDER:
			obj.name = 'Microphone Activation Level'

	def chooseNVDAObjectOverlayClasses(self, obj, clsList):
		# There is a VU meter progress bar in the main window which we don't want to get anounced as all the other progress bars.
		if obj.windowClassName=="msctls_progress32" and obj.name==u'VU':
			try:
				clsList.remove(ProgressBar)
			except ValueError:
				pass
		if obj.windowControlID == 1204 and obj.windowClassName == 'RichEdit20W':
			clsList.insert(0, ChatText)

class ChatText(edit.Edit):
	def event_valueChange(self):
		text=self.windowText
		new_text = text[self.appModule.lastLength:]
		if new_text == "": #no new text was added this time
			return
		ui.message(new_text)
		self.appModule.lastLength =len(text)