from PyQt4 import QtGui, QtCore
from PyKDE4 import kdeui
from clMonty import monty
from clPlugin import *
from misc import *
import format

class pluginShortcuts(Plugin):
	keys=None
	col=None
	actionPrefix=None
	def __init__(self, winMain):
		Plugin.__init__(self, winMain, 'Shortcuts')

	def _load(self):
		winMain=self.getWinMain()
		# Note people wanting to implement global shortcuts in KDE4 (and sniffing through
		# this code): one needs to have a KApplication running, else shortcuts will fail
		self.col=kdeui.KActionCollection(None)
		self.col.addAssociatedWidget(winMain)
		self.keys=[
				['toggleplay', QtCore.Qt.META+QtCore.Qt.Key_Home, self.togglePlay],
				['volumeup', QtCore.Qt.META+QtCore.Qt.Key_PageDown, lambda b: monty.setVolume(monty.getVolume()-5)],
				['volumedown', QtCore.Qt.META+QtCore.Qt.Key_PageUp, lambda b: monty.setVolume(monty.getVolume()+5)],
				['playnext', QtCore.Qt.META+QtCore.Qt.Key_Right, monty.next],
				['playprevious', QtCore.Qt.META+QtCore.Qt.Key_Left, monty.previous],
				['showosd', QtCore.Qt.META+QtCore.Qt.Key_O, self.showOSD],
				['togglewin', QtCore.Qt.META+QtCore.Qt.Key_P, self.toggleWinMain],
		]
		# Note: don't use any non-alphanumerics in the prefix, as else it won't work
		self.actionPrefix="shortcuts"
		
		for entry in self.keys:
			name=entry[0]
			key=entry[1]
			callback=entry[2]
			
			self.debug("%s - %s"%(name, QtGui.QKeySequence(key).toString()))
			
			action=kdeui.KAction(winMain)	# winMain needed
			action.setText(name)
			action.setObjectName(name)
			action.setGlobalShortcut(kdeui.KShortcut(key))
			QtCore.QObject.connect(action, QtCore.SIGNAL('triggered(bool)'), callback)
			self.col.addAction("%s%s"%(self.actionPrefix, action.objectName()), action)
	def _unload(self):
		actions=self.col.actions()
		for action in actions:
			try:
				if action.objectName()[0:len(self.actionPrefix)]==self.actionPrefix:
					self.debug("removing %s"%(action.objectName()))
					self.col.removeAction(action)
			except Exception, e:
				self.important(str(e))
			
	def getInfo(self):
		return "Shortcuts for mpd."

	def showOSD(self, b):
		plugins.getPlugin('notify').onSongChange(None)

	def togglePlay(self, btns=None, mods=None):
		if monty.isPlaying():
			monty.pause()
		else:
			monty.resume()
		
	def toggleWinMain(self, b):
		w=self.getWinMain()
		if w.isVisible():
			w.setVisible(False)
		else:
			w.setVisible(True)
	
	def _getSettings(self):
		txt=QtGui.QTextEdit()
		txt.setReadOnly(True)
		txt.insertPlainText("Keybindings (read-only)\n")
		for entry in self.keys:
			name=entry[0]
			key=entry[1]
			
			txt.insertPlainText("%s\t%s\n"%(name, QtGui.QKeySequence(key).toString()))
		return [
			['', 'Keybindings', 'Current keybindings', txt],
			]