# -*- coding: iso-8859-1 -*- # ----------------------------------------------------------------------- # lcd2.py - use PyLCD to display menus and players on a display # ----------------------------------------------------------------------- # # Notes: # To activate, put the following line in local_conf.py: # plugin.activate('lcd2') # ----------------------------------------------------------------------- # Freevo - A Home Theater PC framework # Copyright (C) 2002 Krister Lagerstrom, et al. # Please see the file freevo/Docs/CREDITS for a complete list of authors. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of MER- # CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General # Public License for more details. # # You should have received a copy of the GNU General Public License along # with this program; if not, write to the Free Software Foundation, Inc., # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # ----------------------------------------------------------------------- import config import plugin from event import * from menu import MenuItem from time import strftime try: import pylcd except: print String(_("ERROR")+": "+_("You need pylcd to run \"lcd2x16\" plugin.")) class LcdFrame(): def __init__(self, lcd, name, col, start, end): """ Class to provide LCD-frames with priorities and timers. """ self.lcd = lcd self.name = name self.width = end-start+1 self.text = "" self.prio = 0 self.timer = 0 lcd.widget_add('s','f_'+name,'frame') lcd.widget_set('s','f_'+name,'%d %d %d %d %d 1 h 0' % (start, col, end, col, self.width)) lcd.widget_add('s','w_'+name,'string -in f_'+name) def draw(self, text, prio=0, timer=0): if (prio >= self.prio) or (self.timer == 0): self.prio = prio self.timer = timer if (text != self.text): self.lcd.widget_set('s','w_'+self.name,'1 1 "%s"' % text.encode('latin1')) self.text = text def draw_right(self, text, prio=0, timer=0): spaces = self.width-len(text) self.draw((' '*spaces)+text, prio, timer) def timertick(self): if self.timer > 0: self.timer -= 1 class PluginInterface( plugin.DaemonPlugin ): """ This plugin is a customized version of lcd.py, which fits not well for 2x16 lcds. Requirements: * lcdproc: installed and LCDd running. (http://lcdproc.sourceforge.net/) * pylcd: installed (http://www.schwarzvogel.de/software-pylcd.shtml) To activate this plugin, just put the following line at the end of your local_conf.py file: | plugin.activate('lcd2x16') """ __author__ = 'Andreas Dick' __author_email__ = 'andudi@gmx.ch' __maintainer__ = __author__ __maintainer_email__ = __author_email__ __version__ = '$Revision: xxxx $' def __init__( self ): """ Init the lcd screen and this plugin """ plugin.DaemonPlugin.__init__( self ) self.poll_interval = 20 # timer resolution is 200ms self.poll_menu_only = 0 # lcd even if player is on self.event_listener = 1 # listening to events self.menu_pos = (0, 1) # to detect menu position changes # use pylcd to connect to LCDd try: self.lcd = pylcd.client() self.lcd.connect() self.lcd.screen_add('s') self.lcd.screen_set('s', "-priority foreground -heartbeat off") except: log.error( String(_( "LCD plugin will not load! Maybe you don't have LCDd (lcdproc daemon) running?" )) ) return # prepare the lcd frames for different types info_width = 7 width = self.lcd.d_width height = self.lcd.d_height # menu, title and player lines (could be configured in local_conf.py?) self.lcd_head = LcdFrame(self.lcd, 'head', col=1, start=1, end=(width-info_width-1)) self.lcd_info = LcdFrame(self.lcd, 'info', col=1, start=(width-info_width+1), end=width) self.lcd_menu_sel = LcdFrame(self.lcd, 'msel', col=2, start=1, end=width) if height == 2: self.lcd_menu_add = [] # no additional menue lines self.lcd_title = self.lcd_menu_sel # use bottom line, share with menu selection self.lcd_player = self.lcd_menu_sel # use bottom line, share with menu selecton elif height == 3: self.lcd_menu_add = [LcdFrame(self.lcd, 'madd0', col=3, start=1, end=width)] self.lcd_title = self.lcd_menu_sel # use middle line for titles, share with menu selection self.lcd_player = self.lcd_menu_add[0] # use last line for player info elif height == 4: self.lcd_menu_add = [LcdFrame(self.lcd, 'madd0', col=3, start=1, end=width), LcdFrame(self.lcd, 'madd1', col=4, start=1, end=width)] self.lcd_title = self.lcd_menu_add[0] # use third line for titles, share with additional menu line self.lcd_player = self.lcd_menu_add[1] # use last line for player, share with additional menu line else: log.error( String(_( "LCD not supported yet!" )) ) # updating menu head self.lcd_head.draw("Freevo") # register this pluing plugin.register(self, "lcd2") def menu_clear(self): """ clear the lcd menu lines when starting player """ if self.menu_pos != (0, 0): self.lcd_menu_sel.draw('') for lcd_menu_add in self.lcd_menu_add: lcd_menu_add.draw('') self.menu_pos = (0, 0) def draw(self, (type, object), osd): """ called from plugin.py at redraw """ if type == 'menu': # prepare menu header, try to find out types in menustack # (this could be improved with more general infos in the player items) level = len(object.menustack)-1 if level == 0: head = 'Freevo' elif object.menustack[0].selected.arg[0] == 'audio': if level == 1: head = 'Musik' elif object.menustack[1].selected.info.disc: head = 'Audio-CD' elif object.menustack[1].selected.name.split()[0] == 'USB': head = 'USB' elif object.menustack[1].selected.type == 'dir': head = 'MP3' elif object.menustack[1].selected.type == 'webradio': head = 'Radio' elif object.menustack[0].selected.arg[0] == 'image': if level == 1: head = 'Images' elif object.menustack[1].selected.info.disc: head = 'Foto-CD' elif object.menustack[1].selected.name.split()[0] == 'USB': head = 'USB' elif object.menustack[1].selected.type == 'dir': head = 'Fotos' elif object.menustack[0].selected.arg[0] == 'video': # not yet well supported if level == 1: head = 'Videos' elif object.menustack[1].selected.info.disc: head = 'DVD/VCD' elif object.menustack[1].selected.name.split()[0] == 'USB': head = 'USB' elif object.menustack[1].selected.type == 'dir': head = 'Videos' # update menu header try: self.lcd_head.draw(head) except: self.lcd_head.draw('NONE') # prepare index position and update selected menu item items = len(object.menu_items) if items: selection = object.menustack[-1].selected index = object.menustack[-1].choices.index(selection) + 1 self.lcd_menu_sel.draw(selection.name) else: index = 0 self.lcd_menu_sel.draw('Zurück') # update info frames with menu position if (level, index) != self.menu_pos: self.menu_pos = (level, index) info = "%d/%d" % (index, items) self.lcd_info.draw_right(info, 5, 8) # update additional menu lines for lcd_menu_add in self.lcd_menu_add: try: line = object.menustack[-1].choices[index].name except: line = '' lcd_menu_add.draw(line) index += 1 elif type == 'player': # clear menu lines before playing self.menu_clear() player = object if player.type == 'audio': # prepare player infos title = player.name trackno = player.getattr('trackno') time = player.elapsed length = player.length if length: # audio like MP3 and CD-ROM if (self.lcd_title == self.lcd_player): # if lines are shared if (time < 3) or ((time % 10) < 2): self.lcd_title.draw("%s %s" % (trackno, title)) else: self.lcd_player.draw_right("%d:%02d/%d:%02d" % (time//60, time%60, length//60, length%60)) else: self.lcd_title.draw("%s %s" % (trackno, title)) self.lcd_player.draw_right("%d:%02d/%d:%02d" % (time//60, time%60, length//60, length%60)) else: # audio streams like Radio if time > 0: self.lcd_title.draw(title) else: self.lcd_title.draw('...') # elif player.type == 'video': # not yet! def poll(self): """ plugin polling, period is 200ms """ # update info timer and the clock at a low prio self.lcd_info.timertick() self.lcd_info.draw_right(strftime("%H:%M"), 1, 5) def eventhandler( self, event, menuw=None ): """ called from plugin.py if an event occure -> to be done: define events in event.py """ # show player infos while playing if (event == PLAY_START) and (event.arg.type == 'video'): self.menu_clear() self.lcd_head.draw("DVD/SVCD") # show volume in info area, grab it afer MIXER message from the OSD message if event == 'MIXER_VOLUME_INFO': self.lcd_info.draw("VOL%3s%%" % event.arg, 5, 12) elif event == MIXER_MUTE: self.lcd_info.draw("MUTED", 5, 12) # show image view, play, pause and duration elif event == 'IMAGE_VIEW_INFO': self.menu_clear() if (self.lcd_title == self.lcd_player): self.lcd_title.draw("%s/%s %s" % event.arg) else: self.lcd_title.draw(event.arg[2]) self.lcd_player.draw_right("%s/%s" % (event.arg[0], event.arg[1])) elif event == 'IMAGE_PLAY_INFO': self.lcd_info.draw("TIME%2ss" % event.arg, 5, 12) elif event == 'IMAGE_PAUSE_INFO': self.lcd_info.draw("PAUSE", 5, 12) # show LIRC status in the info area (lirc button that changes the meaning of the iMON button) elif event.arg == "LIRC_MODE_VOLUME": self.lcd_info.draw("VOLUME", 5, 12) elif event.arg == "LIRC_MODE_MENU": self.lcd_info.draw("MENU", 5, 12) return 0