show a short symbol when a unhandled key is pressed

this fixes bug #293

4 files changed, 51 insertions, 5 deletions

diff --git a/lib/python/Screens/InfoBar.py b/lib/python/Screens/InfoBar.py
index a15c7ac1..5b061245 100644
--- a/lib/python/Screens/InfoBar.py
+++ b/lib/python/Screens/InfoBar.py
@@ -12,7 +12,7 @@ profile("LOAD:InfoBarGenerics")
 from Screens.InfoBarGenerics import InfoBarShowHide, \
 	InfoBarNumberZap, InfoBarChannelSelection, InfoBarMenu, InfoBarRdsDecoder, \
 	InfoBarEPG, InfoBarSeek, InfoBarInstantRecord, \
-	InfoBarAudioSelection, InfoBarAdditionalInfo, InfoBarNotifications, InfoBarDish, \
+	InfoBarAudioSelection, InfoBarAdditionalInfo, InfoBarNotifications, InfoBarDish, InfoBarUnhandledKey, \
 	InfoBarSubserviceSelection, InfoBarShowMovies, InfoBarTimeshift,  \
 	InfoBarServiceNotifications, InfoBarPVRState, InfoBarCueSheetSupport, InfoBarSimpleEventView, \
 	InfoBarSummarySupport, InfoBarMoviePlayerSummarySupport, InfoBarTimeshiftState, InfoBarTeletextPlugin, InfoBarExtensions, \
@@ -29,7 +29,7 @@ from Screens.HelpMenu import HelpableScreen
 class InfoBar(InfoBarBase, InfoBarShowHide,
 	InfoBarNumberZap, InfoBarChannelSelection, InfoBarMenu, InfoBarEPG, InfoBarRdsDecoder,
 	InfoBarInstantRecord, InfoBarAudioSelection, 
-	HelpableScreen, InfoBarAdditionalInfo, InfoBarNotifications, InfoBarDish,
+	HelpableScreen, InfoBarAdditionalInfo, InfoBarNotifications, InfoBarDish, InfoBarUnhandledKey,
 	InfoBarSubserviceSelection, InfoBarTimeshift, InfoBarSeek,
 	InfoBarSummarySupport, InfoBarTimeshiftState, InfoBarTeletextPlugin, InfoBarExtensions,
 	InfoBarPiP, InfoBarPlugins, InfoBarSubtitleSupport, InfoBarServiceErrorPopupSupport, InfoBarJobman,
@@ -52,7 +52,7 @@ class InfoBar(InfoBarBase, InfoBarShowHide,
 		for x in HelpableScreen, \
 				InfoBarBase, InfoBarShowHide, \
 				InfoBarNumberZap, InfoBarChannelSelection, InfoBarMenu, InfoBarEPG, InfoBarRdsDecoder, \
-				InfoBarInstantRecord, InfoBarAudioSelection, \
+				InfoBarInstantRecord, InfoBarAudioSelection, InfoBarUnhandledKey, \
 				InfoBarAdditionalInfo, InfoBarNotifications, InfoBarDish, InfoBarSubserviceSelection, \
 				InfoBarTimeshift, InfoBarSeek, InfoBarSummarySupport, InfoBarTimeshiftState, \
 				InfoBarTeletextPlugin, InfoBarExtensions, InfoBarPiP, InfoBarSubtitleSupport, InfoBarJobman, \
diff --git a/lib/python/Screens/InfoBarGenerics.py b/lib/python/Screens/InfoBarGenerics.py
index a3e56a40..c8aa00cb 100644
--- a/lib/python/Screens/InfoBarGenerics.py
+++ b/lib/python/Screens/InfoBarGenerics.py
@@ -26,13 +26,14 @@ from Screens.PictureInPicture import PictureInPicture
 from Screens.SubtitleDisplay import SubtitleDisplay
 from Screens.RdsDisplay import RdsInfoDisplay, RassInteractive
 from Screens.TimeDateInput import TimeDateInput
+from Screens.UnhandledKey import UnhandledKey
 from ServiceReference import ServiceReference
 
 from Tools import Notifications
 from Tools.Directories import fileExists
 
 from enigma import eTimer, eServiceCenter, eDVBServicePMTHandler, iServiceInformation, \
-	iPlayableService, eServiceReference, eEPGCache
+	iPlayableService, eServiceReference, eEPGCache, eActionMap
 
 from time import time, localtime, strftime
 from os import stat as os_stat
@@ -47,6 +48,44 @@ class InfoBarDish:
 	def __init__(self):
 		self.dishDialog = self.session.instantiateDialog(Dish)
 
+class InfoBarUnhandledKey:
+	def __init__(self):
+		self.unhandledKeyDialog = self.session.instantiateDialog(UnhandledKey)
+		self.hideTimer = eTimer()
+		self.hideTimer.callback.append(self.unhandledKeyDialog.hide)
+		self.checkUnusedTimer = eTimer()
+		self.checkUnusedTimer.callback.append(self.checkUnused)
+		self.onLayoutFinish.append(self.unhandledKeyDialog.hide)
+		eActionMap.getInstance().bindAction('', -0x7FFFFFFF, self.actionA) #highest prio
+		eActionMap.getInstance().bindAction('', 0x7FFFFFFF, self.actionB) #lowest prio
+		self.key = -1;
+		self.flags = 0;
+		self.uflags = 0;
+
+	#this function is called on every keypress!
+	def actionA(self, key, flag):
+		if flag != 4:
+			if self.key != key:
+				if self.checkUnusedTimer.isActive():
+					self.checkUnusedTimer.stop()
+					self.checkUnused()
+				self.key = key
+				self.flags = self.uflags = 0
+			self.flags |= (1<<flag)
+			if flag == 1: # break
+				self.checkUnusedTimer.start(0, True)
+		return 0
+
+	#this function is only called when no other action has handled this key
+	def actionB(self, key, flag):
+		if flag != 4:
+			self.uflags |= (1<<flag)
+
+	def checkUnused(self):
+		if self.flags == self.uflags:
+			self.unhandledKeyDialog.show()
+			self.hideTimer.start(2000, True)
+
 class InfoBarShowHide:
 	""" InfoBar show/hide control, accepts toggleShow and hide actions, might start
 	fancy animations. """
diff --git a/lib/python/Screens/Makefile.am b/lib/python/Screens/Makefile.am
index 585983c2..5457bf64 100755
--- a/lib/python/Screens/Makefile.am
+++ b/lib/python/Screens/Makefile.am
@@ -14,5 +14,5 @@ install_PYTHON = \
 	SubtitleDisplay.py SubservicesQuickzap.py ParentalControlSetup.py NumericalTextInputHelpDialog.py \
 	SleepTimerEdit.py Ipkg.py RdsDisplay.py Globals.py DefaultWizard.py \
 	SessionGlobals.py LocationBox.py WizardLanguage.py TaskView.py Rc.py VirtualKeyBoard.py \
-	TextBox.py FactoryReset.py RecordPaths.py
+	TextBox.py FactoryReset.py RecordPaths.py UnhandledKey.py
 
diff --git a/lib/python/Screens/UnhandledKey.py b/lib/python/Screens/UnhandledKey.py
new file mode 100644
index 00000000..63bfed5b
--- /dev/null
+++ b/lib/python/Screens/UnhandledKey.py
@@ -0,0 +1,7 @@
+from Screen import Screen
+from Components.Pixmap import Pixmap
+
+class UnhandledKey(Screen):
+	def __init__(self, session):
+		Screen.__init__(self, session)
+		self["UnhandledKeyPixmap"] = Pixmap()