# -*- coding: iso-8859-1 -*-
# -----------------------------------------------------------------------
# Use PyLCD to display menus and players
# -----------------------------------------------------------------------
# $Id: lcd.py 11180 2008-11-18 18:28:41Z duncan $
# -----------------------------------------------------------------------
# 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
#
# -----------------------------------------------------------------------

"""
Plug-in to display menus and players on a LCD display

To activate, put the following line in local_conf.py::

    plugin.activate('lcd')

Todo:
    1. Use Threads. PyLCD is too blocking!
    2. Have Movie Player, TV Player and Image viewer to use LCD
    3. Better (and more) LCD screens.
"""

from menu import MenuItem
import copy
import time
import plugin
from event import *
import config
import util
from util.tv_util import get_chan_displayname

try:
    import pylcd
except:
    _debug_(String(_('ERROR')+': '+_('You need pylcd to run "lcd" plugin.')), 2)


# Configuration: (Should move to freevo_conf.py?)
sep_str = ' | ' # use as separator between two strings. Like: 'Length: 123<sep_str>Plot: ...'
sep_str_mscroll = '   ' # if string > width of lcd add this

def rjust(s, n):
    _debug_('rjust(s, n)', 2)
    return s[: n].rjust(n)

# menu_info: information to be shown when in menu
# Structure:
#
# menu_info = {
#     <TYPE> : [(<ATTRIBUTE>, <FORMAT_STRING>), ...],
#    }
# <ATTRIBUTE> is some valid attribute to item.getattr()
menu_info = {
    'main' : [],
    'audio' : [
        ('length', _('Length') + ': %s'),
        ('artist', _('Artist') + ': %s'),
        ('album', _('Album')   + ': %s'),
        ('year', _('Year')     + ': %s'),
    ],
    'audiocd' : [
        ('len(tracks)', _('Tracks') + ': %s'),
        ('artist', _('Artist') + ': %s'),
        ('album', _('Album')   + ': %s'),
        ('year', _('Year')     + ': %s'),
    ],
    'video' : [
        ('length', _('Length') + ': %s'),
        ('geometry', _('Resolution') + ': %s'),
        ('aspect', _('Aspect') + ': %s'),
        ('tagline', _('Tagline') + ': %s'),
        ('plot', _('Plot')       + ': %s'),
    ],
    'dir' : [
        ('plot', _('Plot') + ': %s'),
        ('tagline', _('Tagline') + ': %s'),
    ],
    'image' : [
        ('geometry', _('Geometry') + ': %s'),
        ('date', _('Date') + ': %s'),
        ('description', _('Description') + ': %s'),
    ],
    'playlist' : [
        ('len(playlist)', _('%s items')),
    ],
    'mame' : [
        ('description', _('Description') + ': %s'),
    ],
    'unknow' : []
}
# menu_strinfo: will be passed to time.strinfo() and added to the end of info (after menu_info)
menu_strinfo = {
    'main' : '%H:%M - %a, %d-%b', # I like time in main menu
    'audio' : None,
    'audiocd' : None,
    'video' : None,
    'image' : None,
    'dir' : None,
    'playlist' : None,
    'mame' : None,
    'unknow' : None
    }


# layouts: dict of layouts (screens and widgets)
# Structure:
#
# layouts = {
#     <#_OF_LINES_IN_DISPLAY> : {
#         <#_OF_CHARS_IN_LINES> : {
#             <SCREEN_NAME> :
#                 <WIDGET_NAME> : (<WIDGET_TYPE>, <WIDGET_PARAMETERS>, <PARAMETERS_VALUES>),
#                 <MORE_WIDGETS>...
#         },
#         <MORE_SCREENS>...
#     }
# }
# Note:
#    <PARAMETERS_VALUES>: will be used like this:
#       <WIDGET_PARAMETERS> % eval(<PARAMETERS_VALUES>)
#    There should be at least these screens:
#       welcome: will be the shown during the startup
#          menu: will be used in menu mode
#        player: will be used in player mode
#            tv: will be used in tv mode
# Values should match the ones supported by LCDd (man LCDd)
layouts = {
    4 : { # 4 lines display
        40 : { # 40 chars per line
            'welcome'        : {
                'title'      : ('title', 'Freevo', None),
                'calendar'   : ('scroller', '1 2 %d 2 m 3 "' + _('Today is %s.') + '%s"',
                    '(self.width, time.strftime("%A, %d-%B"), self.get_sepstrmscroll(time.strftime("%A, %d-%B")))'),
                'clock'      : ('string', '%d 3 "%s"',
                    '((self.width - len(time.strftime("%T"))) / 2 + 1, time.strftime("%T"))')
            },
            'menu'           : {
                'title_l'    : ('string', '1 1 "' + rjust(_('Menu'), 4) + ': "', None),
                'item_l'     : ('string', '1 2 "' + rjust(_('Item'), 4) + ': "', None),
                'type_l'     : ('string', '1 3 "' + rjust(_('Type'), 4) + ': "', None),
                'info_l'     : ('string', '1 4 "' + rjust(_('Information'), 4) + ': "', None),
                'title_v'    : ('scroller', '7 1 %d 1 m 3 "%s%s"',
                    '(self.width, menu.heading, self.get_sepstrmscroll(menu.heading))'),
                'item_v'     : ('scroller', '7 2 %d 2 m 3 "%s%s"',
                    '(self.width, title, self.get_sepstrmscroll(title))'),
                'type_v'     : ('scroller', '7 3 %d 3 m 3 "%s%s"',
                    '(self.width, typeinfo, self.get_sepstrmscroll(typeinfo))'),
                'info_v'     : ('scroller', '7 4 %d 1 m 3 "%s%s"', '(self.width, info, self.get_sepstrmscroll(info))')
            },
            'audio_player'   : {
                'music_l'    : ('string', '1 1 "' + rjust(_('Music'), 5) + ': "', None),
                'album_l'    : ('string', '1 2 "' + rjust(_('Album'), 5) + ': "', None),
                'artist_l'   : ('string', '1 3 "' + rjust(_('Artist'), 5) + ': "', None),
                'music_v'    : ('scroller', '9 1 %d 1 m 3 "%s%s"',
                    '(self.width, title, self.get_sepstrmscroll(title))'),
                'album_v'    : ('scroller', '9 2 %d 2 m 3 "%s%s"',
                    '(self.width, player.getattr("album"), self.get_sepstrmscroll(player.getattr("album")))'),
                'artist_v'   : ('scroller', '9 3 %d 3 m 3 "%s%s"',
                    '(self.width, player.getattr("artist"), self.get_sepstrmscroll(player.getattr("artist")))'),
                'time_v1'    : ('string', '2 4 "%2d:%02d"', '(int(player.length / 60), int(player.length % 60))'),
                'time_v2'    : ('string', '8 4 "%2d:%02d"', '(int(player.elapsed / 60), int(player.elapsed % 60))'),
                'time_v3'    : ('string', '14 4 "(%2d%%)"', '(int(player.elapsed * 100 / player.length))'),
                'timebar1_v' : ('string', '21 4 "["', None),
                'timebar2_v' : ('string', '40 4 "]"', None),
                'timebar3_v' : ('hbar', '22 4 "%d"', '(int(player.elapsed * 90 / player.length))'),
                'animation_v': ('string', '1 4 "%s"',
                    'self.animation_audioplayer_chars[player.elapsed % len(self.animation_audioplayer_chars)]')
            },
            'video_player'   : {
                'video_l'    : ('string', '2 1 "' + rjust(_('Video'), 5) + ': "', None),
                'tag_l'      : ('string', '2 2 "' + rjust(_('Tagline'), 5) + ': "', None),
                'genre_l'    : ('string', '1 3 "' + rjust(_('Genre'), 5) + ': "', None),
                'video_v'    : ('scroller', '9 1 %d 1 m 3 "%s%s"',
                    '(self.width, title, self.get_sepstrmscroll(title))'),
                'tag_v'      : ('scroller', '9 2 %d 2 m 3 "%s%s"',
                    '(self.width, player.getattr("tagline"), self.get_sepstrmscroll(player.getattr("tagline")))'),
                'genre_v'    : ('scroller', '9 3 %d 3 m 3 "%s%s"',
                    '(self.width, player.getattr("genre"), self.get_sepstrmscroll(player.getattr("genre")))'),
                'time_v1'    : ('string', '2 4 "%s/"', '(length)'),
                'time_v2'    : ('string', '10 4 "%s"', '(elapsed)'),
                'time_v3'    : ('string', '18 4 "(%2d%%)"', '(int(percentage * 100))'),
                'timebar1_v' : ('string', '26 4 "["', None),
                'timebar2_v' : ('string', '40 4 "]"', None),
                'timebar3_v' : ('hbar', '27 4 "%d"', '(int(percentage * 70))'),
                'animation_v': ('string', '1 4 "%s"', 'self.animation_audioplayer_chars[' +
                    ' player.elapsed % len(self.animation_audioplayer_chars)]')
            },
            'tv'             : {
                'chan_l'     : ('string', '1 1 "' + rjust(_('Channel'), 4) + ': "', None),
                'prog_l'     : ('string', '1 2 "' + rjust(_('Program'), 4) + ': "', None),
                'time_l'     : ('string', '1 3 "' + rjust(_('Time'), 4) + ': "', None),
                'desc_l'     : ('string', '1 4 "' + rjust(_('Description'), 4) + ': "', None),
                'chan_v'     : ('scroller', '7 1 %d 1 m 3 "%s%s"',
                    '(self.width, get_chan_displayname(tv.channel_id), '+
                    'self.get_sepstrmscroll(get_chan_displayname(tv.channel_id)))'),
                'prog_v'     : ('scroller', '7 2 %d 2 m 3 "%s%s"',
                    '(self.width, tv.title, self.get_sepstrmscroll(tv.title))'),
                'time_v'     : ('scroller', '7 3 %d 3 m 3 "%s-%s%s"',
                    '(self.width, tv.start, tv.stop, self.get_sepstrmscroll(tv.start+"-"+tv.stop))'),
                'desc_v'     : ('scroller', '7 4 %d 4 m 3 "%s%s"',
                    '(self.width, tv.desc, self.get_sepstrmscroll(tv.desc))')
            }
        }, # 40 chars per line

        20 : { # 20 chars per line
            'welcome'        : {
                'title'      : ('title', 'Freevo', None),
                'calendar'   : ('scroller', '1 2 %d 2 m 3 "' + _('Today is %s.') + '%s"',
                '(self.width, time.strftime("%A, %d-%B"), self.get_sepstrmscroll(time.strftime("%A, %d-%B")))'),
                'clock'      : ('string', '%d 3 "%s"',
                '((self.width - len(time.strftime("%T"))) / 2 + 1, time.strftime("%T"))')
            },
            'menu'           : {
                'title_v'    : ('scroller', '1 1 %d 1 m 3 "%s%s"',
                    '(self.width, menu.heading, self.get_sepstrmscroll(menu.heading))'),
                'item_v'     : ('scroller', '1 2 %d 2 m 3 "%s%s"',
                    '(self.width, title, self.get_sepstrmscroll(title))'),
                'type_v'     : ('scroller', '1 3 %d 3 m 3 "%s%s"',
                    '(self.width, typeinfo, self.get_sepstrmscroll(typeinfo))'),
                'info_v'     : ('scroller', '1 4 %d 1 m 3 "%s%s"',
                    '(self.width, info, self.get_sepstrmscroll(info))')
            },
            'audio_player'   : {
                'music_v'    : ('scroller', '1 1 %d 1 m 3 "%s%s"',
                    '(self.width, title, self.get_sepstrmscroll(title))'),
                'album_v'    : ('scroller', '1 2 %d 2 m 3 "%s%s"',
                    '(self.width, player.getattr("album"), self.get_sepstrmscroll(player.getattr("album")))'),
                'artist_v'   : ('scroller', '1 3 %d 3 m 3 "%s%s"',
                    '(self.width, player.getattr("artist"), self.get_sepstrmscroll(player.getattr("artist")))'),
                'time_v1'    : ('string', '2 4 "% 2d:%02d/"', '(int(player.length / 60), int(player.length % 60))'),
                'time_v2'    : ('string', '8 4 "% 2d:%02d"', '(int(player.elapsed / 60), int(player.elapsed % 60))'),
                'time_v3'    : ('string', '14 4 "(%2d%%)"', '(int(player.elapsed * 100 / player.length))'),
                'animation_v': ('string', '1 4 "%s"',
                     'self.animation_audioplayer_chars[player.elapsed % len(self.animation_audioplayer_chars)]')
               #'animation_v': ('hbar', '1 4 "%d"', '(int(player.elapsed *90 / player.length))')
            },
            'video_player'   : {
                'video_v'    : ('scroller', '1 1 %d 1 m 3 "%s%s"',
                    '(self.width, title, self.get_sepstrmscroll(title))'),
                'tag_v'      : ('scroller', '1 2 %d 2 m 3 "%s%s"',
                    '(self.width, player.getattr("tagline"), self.get_sepstrmscroll(player.getattr("tagline")))'),
                'genre_v'    : ('scroller', '1 3 %d 3 m 3 "%s%s"',
                    '(self.width, player.getattr("genre"), self.get_sepstrmscroll(player.getattr("genre")))'),
                'time_v1'    : ('string', '3 4 "%s /"', '(length)'),
                'time_v2'    : ('string', '12 4 "%s"', '(elapsed)'),
                'animation_v': ('string', '1 4 "%s"',
                    'self.animation_audioplayer_chars[player.elapsed % len(self.animation_audioplayer_chars)]')
            },
            'tv'             : {
                'chan_v'     : ('scroller', '1 1 %d 1 m 3 "%s%s"',
                    '(self.width, get_chan_displayname(tv.channel_id), '+\
                    'self.get_sepstrmscroll(get_chan_displayname(tv.channel_id)))'),
                'prog_v'     : ('scroller', '1 2 %d 2 m 3 "%s%s"',
                    '(self.width, tv.title, self.get_sepstrmscroll(tv.title))'),
                'time_v'     : ('scroller', '1 3 %d 3 m 3 "%s-%s%s"',
                    '(self.width, tv.start, tv.stop, self.get_sepstrmscroll(tv.start+"-"+tv.stop))'),
                'desc_v'     : ('scroller', '1 4 %d 4 m 3 "%s%s"',
                    '(self.width, tv.desc, self.get_sepstrmscroll(tv.desc))')
            }
        }, # 20 chars per line

        16 : { # 16 chars per line
            'welcome'        : {
                'title'      : ('title', 'Freevo', None),
                'calendar'   : ('scroller', '1 2 %d 2 m 3 "' + _('Today is %s.') + '%s"',
                    '(self.width, time.strftime("%A, %d-%B"), self.get_sepstrmscroll(time.strftime("%A, %d-%B")))'),
                'clock'      : ('string', '%d 3 "%s"',
                    '((self.width - len(time.strftime("%T"))) / 2 + 1, time.strftime("%T"))')
            },
            'menu'           : {
                'title_v'    : ('scroller', '1 1 %d 1 m 3 "%s%s"',
                    '(self.width, menu.heading, self.get_sepstrmscroll(menu.heading))'),
                'item_v'     : ('scroller', '1 2 %d 2 m 3 "%s%s"',
                    '(self.width, title, self.get_sepstrmscroll(title))'),
                'type_v'     : ('scroller', '1 3 %d 3 m 3 "%s%s"',
                    '(self.width, typeinfo, self.get_sepstrmscroll(typeinfo))'),
                'info_v'     : ('scroller', '1 4 %d 1 m 3 "%s%s"', '(self.width, info, self.get_sepstrmscroll(info))')
            },
            'audio_player'   : {
                'music_v'    : ('scroller', '1 1 %d 1 m 3 "%s%s"',
                    '(self.width, title, self.get_sepstrmscroll(title))'),
                'album_v'    : ('scroller', '1 2 %d 2 m 3 "%s%s"',
                    '(self.width, player.getattr("album"), self.get_sepstrmscroll(player.getattr("album")))'),
                'artist_v'   : ('scroller', '1 3 %d 3 m 3 "%s%s"',
                    '(self.width, player.getattr("artist"), self.get_sepstrmscroll(player.getattr("artist")))'),
                'time_v1'    : ('string', '2 4 "% 2d:%02d/"', '(int(player.length / 60), int(player.length % 60))'),
                'time_v2'    : ('string', '8 4 "% 2d:%02d"', '(int(player.elapsed / 60), int(player.elapsed % 60))'),
                'time_v3'    : ('string', '14 4 "(%2d%%)"', '(int(player.elapsed * 100 / player.length))'),
                'animation_v': ('string', '1 4 "%s"',
                    'self.animation_audioplayer_chars[player.elapsed % len(self.animation_audioplayer_chars)]')
            },
            'video_player'   : {
                'video_v'    : ('scroller', '1 1 %d 1 m 3 "%s%s"',
                    '(self.width, title, self.get_sepstrmscroll(title))'),
                'time_v1'    : ('string', '9 2 "%s"', '(length)'),
                'time_v2'    : ('string', '1 2 "%s"', '(elapsed.rjust(7))'),
                'time_v3'    : ('hbar', '1 3 "%d"', '((float(player.elapsed) / float(get_lengthsecs(length))) * 80)'),
                'clock'      : ('string', '3 4 "%s"', ' time.strftime("%I:%M  %b-%d") '),
                'animation_v': ('string', '1 4 "%s"',
                    'self.animation_audioplayer_chars[player.elapsed % len(self.animation_audioplayer_chars)]')
            },
            'tv'             : {
                'chan_v'     : ('scroller', '1 1 %d 1 m 3 "%s%s"',
                    '(self.width, get_chan_displayname(tv.channel_id), '+
                    'self.get_sepstrmscroll(get_chan_displayname(tv.channel_id)))'),
                'prog_v'     : ('scroller', '1 2 %d 2 m 3 "%s%s"',
                    '(self.width, tv.title, self.get_sepstrmscroll(tv.title))'),
                'time_v'     : ('scroller', '1 3 %d 3 m 3 "%s-%s%s"',
                    '(self.width, tv.start, tv.stop, self.get_sepstrmscroll(tv.start+"-"+tv.stop))'),
                'desc_v'     : ('scroller', '1 4 %d 4 m 3 "%s%s"',
                    '(self.width, tv.desc, self.get_sepstrmscroll(tv.desc))')
            }
        } # 16 chars per line
    }, # 4 lines display

    2 : { # 2 lines display
        40 : { # 40 chars per line
            'welcome': {
                'title'      : ('title', '1 1 Freevo', None)
            },
            'menu'           : {
                'title_l'    : ('string', '1 1 "' + rjust(_('Menu'), 4) + ': "', None),
                'item_l'     : ('string', '1 2 "' + rjust(_('Item'), 4) + ': "', None),
                'title_v'    : ('scroller', '7 1 %d 1 m 3 "%s%s"',
                    '(self.width, menu.heading, self.get_sepstrmscroll(menu.heading))'),
                'item_v'     : ('scroller', '7 2 %d 2 m 3 "%s%s"',
                    '(self.width, title, self.get_sepstrmscroll(title))')
            },
            'audio_player'   : {
                'music_l'    : ('string', '1 1 "' + rjust(_('Music'), 5) + ': "', None),
                'music_v'    : ('scroller', '8 1 %d 1 m 3 "%s%s"',
                    '(self.width, title, self.get_sepstrmscroll(title))'),
                'time_v1'    : ('string', '2 2 "% 2d:%02d/"', '(int(player.length / 60), int(player.length % 60))'),
                'time_v2'    : ('string', '8 2 "% 2d:%02d"', '(int(player.elapsed / 60), int(player.elapsed % 60))'),
                'time_v3'    : ('string', '14 2 "(%2d%%)"', '(int(player.elapsed * 100 / player.length))'),
                'timebar1_v' : ('string', '21 2 "["', None),
                'timebar2_v' : ('string', '40 2 "]"', None),
                'timebar3_v' : ('hbar', '22 2 "%d"', '(int(player.elapsed * 90 / player.length))'),
                'animation_v': ('string', '1 2 "%s"',
                    'self.animation_audioplayer_chars[player.elapsed % len(self.animation_audioplayer_chars)]')
            },
            'video_player'   : {
                'video_l'    : ('string', '2 1 "' + rjust(_('Video'), 5) + ': "', None),
                'video_v'    : ('scroller', '9 1 %d 1 m 3 "%s%s"',
                    '(self.width, title, self.get_sepstrmscroll(title))'),
                'time_v1'    : ('string', '2 2 "%s/"', '(length)'),
                'time_v2'    : ('string', '10 2 "%s"', '(elapsed)'),
                'time_v3'    : ('string', '18 2 "(%2d%%)"', '(int(percentage * 100))'),
                'timebar1_v' : ('string', '26 2 "["', None),
                'timebar2_v' : ('string', '40 2 "]"', None),
                'timebar3_v' : ('hbar', '27 2 "%d"', '(int(percentage * 70))'),
                'animation_v': ('string', '1 2 "%s"',
                    'self.animation_audioplayer_chars[player.elapsed % len(self.animation_audioplayer_chars)]')
            },
            'tv': {
                'chan_l'     : ('string', '1 1 "' + rjust(_('Channel'), 4) + ': "', None),
                'prog_l'     : ('string', '1 2 "' + rjust(_('Program'), 4) + ': "', None),
                'chan_v'     : ('scroller', '7 1 %d 1 m 3 "%s%s"',
                    '(self.width, get_chan_displayname(tv.channel_id), '+
                    'self.get_sepstrmscroll(get_chan_displayname(tv.channel_id)))'),
                'prog_v'     : ('scroller', '7 2 %d 2 m 3 "%s%s"',
                    '(self.width, tv.title, self.get_sepstrmscroll(tv.title))'),
                'time_v'     : ('scroller', '%d 1 %d 3 m 3 "[%s-%s%s]"',
                    '(self.width - 13, 13, tv.start, tv.stop, self.get_sepstrmscroll(tv.start+"-"+tv.stop))'),
            }
        },

        20 : { # 20 chars per line
            'welcome'        : {
                'title'      : ('title', '1 1 Freevo', None)
            },
            'menu'           : {
                'title_v'    : ('scroller', '1 1 %d 1 m 3 "%s%s"',
                    '(self.width, menu.heading, self.get_sepstrmscroll(menu.heading))'),
                'item_v'     : ('scroller', '1 2 %d 2 m 3 "%s%s"',
                    '(self.width, title, self.get_sepstrmscroll(title))')
            },
            'audio_player'   : {
                'music_v'    : ('scroller', '1 1 %d 1 m 3 "%s%s"',
                    '(self.width, title, self.get_sepstrmscroll(title))'),
                'time_v1'    : ('string', '2 2 "% 2d:%02d/"', '(int(player.length / 60), int(player.length % 60))'),
                'time_v2'    : ('string', '8 2 "% 2d:%02d"', '(int(player.elapsed / 60), int(player.elapsed % 60))'),
                'time_v3'    : ('string', '14 2 "(%2d%%)"', '(int(player.elapsed * 100 / player.length))'),
                'animation_v': ('string', '1 2 "%s"',
                    'self.animation_audioplayer_chars[player.elapsed % len(self.animation_audioplayer_chars)]')
            },
            'video_player'   : {
                'video_v'    : ('scroller', '1 1 %d 1 m 3 "%s%s"',
                    '(self.width, title, self.get_sepstrmscroll(title))'),
                'time_v1'    : ('string', '3 2 "%s /"', '(length)'),
                'time_v2'    : ('string', '12 2 "%s"', '(elapsed)'),
                'animation_v': ('string', '1 2 "%s"',
                    'self.animation_audioplayer_chars[player.elapsed % len(self.animation_audioplayer_chars)]')
            },
            'tv': {
                'chan_v'     : ('scroller', '1 1 %d 1 m 3 "%s%s"',
                    '(self.width, get_chan_displayname(tv.channel_id), '+
                    'self.get_sepstrmscroll(get_chan_displayname(tv.channel_id)))'),
                'prog_v'     : ('scroller', '1 2 %d 2 m 3 "%s%s"',
                    '(self.width, tv.title, self.get_sepstrmscroll(tv.title))')
            }
        },

        16 : { # 16 chars per line
            'welcome'        : {
                'title'      : ('title', '1 1 Freevo', None)
            },
            'menu'           : {
                'title_v'    : ('scroller', '1 1 %d 1 m 8 "%s%s"',
                    '(self.width, menu.heading, self.get_sepstrmscroll(menu.heading))'),
                'item_v'     : ('scroller', '1 2 %d 2 m 8 "%s%s"',
                    '(self.width, title, self.get_sepstrmscroll(title))')
            },
            'audio_player'   : {
                'music_v'    : ('scroller', '1 1 %d 1 m 8 "%s%s"',
                    '(self.width, title, self.get_sepstrmscroll(title))'),
                'time_v1'    : ('string', '2 2 "% 2d:%02d/"', '(int(player.length / 60), int(player.length % 60))'),
                'time_v2'    : ('string', '8 2 "% 2d:%02d"', '(int(player.elapsed / 60), int(player.elapsed % 60))'),
                'animation_v': ('string', '1 2 "%s"',
                    'self.animation_audioplayer_chars[player.elapsed % len(self.animation_audioplayer_chars)]')
            },
            'video_player'   : {
                'video_v'    : ('scroller', '1 1 %d 1 m 8 "%s%s"',
                    '(self.width, title, self.get_sepstrmscroll(title))'),
                'time_v2'    : ('string', '2 2 "%s"', '(elapsed)'),
                'time_v3'    : ('string', '11 2 "(%2d%%)"', '(int(percentage * 100))'),
                'animation_v': ('string', '1 2 "%s"',
                    'self.animation_audioplayer_chars[player.elapsed % len(self.animation_audioplayer_chars)]')
            },
            'tv'             : {
                'chan_v'     : ('scroller', '1 1 %d 1 m 8 "%s%s"',
                    '(self.width, get_chan_displayname(tv.channel_id), '+
                    'self.get_sepstrmscroll(get_chan_displayname(tv.channel_id)))'),
                'prog_v'     : ('scroller', '1 2 %d 2 m 8 "%s%s"',
                    '(self.width, tv.title, self.get_sepstrmscroll(tv.title))')
            }
        }, # 2 lines, 16 chars per line

        100 : { # No scroller
            'welcome'        : {
                'title'      : ('title', '1 1 Freevo', None)
            },
            'menu'           : {
                'title_v'    : ('string', '1 1 "%s%s"', '(menu.heading, self.get_sepstrmscroll(menu.heading))'),
                'item_v'     : ('string', '1 2 "%s"', '(title)')
            },
            'audio_player'   : {
                'music_v'    : ('string', '1 1 "%s"', '(title)'),
                'time_v1'    : ('string', '2 2 "% 2d:%02d/"', '(int(player.length / 60), int(player.length % 60))'),
                'time_v2'    : ('string', '8 2 "% 2d:%02d"', '(int(player.elapsed / 60), int(player.elapsed % 60))'),
                'animation_v': ('string', '1 2 "%s"',
                    'self.animation_audioplayer_chars[player.elapsed % len(self.animation_audioplayer_chars)]')
            },
            'video_player'   : {
                'video_v'    : ('string', '1 1 "%s"', '(title)'),
                'time_v2'    : ('string', '2 2 "%s"', '(elapsed)'),
                'time_v3'    : ('string', '11 2 "(%2d%%)"', '(int(percentage * 100))'),
                'animation_v': ('string', '1 2 "%s"',
                    'self.animation_audioplayer_chars[player.elapsed % len(self.animation_audioplayer_chars)]')
            },
            'tv'             : {
                'chan_v'     : ('string', '1 1 "%s"', '(get_chan_displayname(tv.channel_id))'),
                'prog_v'     : ('string', '1 2 "%s"', '(tv.title)')
            }
        }, # No scroller
    } # 2 lines display
} # layouts

# poll_widgets: widgets that should be refreshed during the pool
# Structure:
#
# poll_widgets = {
#     <#_OF_LINES_IN_DISPLAY> : {
#         <#_OF_COLUMNS_IN_DISPLAY> : {
#             <SCREEN_NAME> : (<WIDGET_NAME>, ...)
#         },
#         ...,
#     }
# }
poll_widgets = {
    4 : {
        40 : { 'welcome' : ['clock'] },
        20 : { 'welcome' : ['clock'] },
    },
}


def get_lengthsecs(slen):
    _debug_('get_lengthsecs(slen=%r)' % (slen,), 2)
    splen = slen.rsplit(':')
    m = 1
    ts = 0
    for e in reversed(splen):
        ts = ts + (int(e) * m)
        m = m * 60
    return ts


def get_info(item, list):
    _debug_('get_info(item=%r, list=%r)' % (item, list), 2)
    info = ''

    for l in list:

        v = item.getattr(l[0])
        if v:
            if info:
                info += sep_str
            info += l[1] % v

    return info


class PluginInterface(plugin.DaemonPlugin):
    """
    Display context info in LCD using lcdproc daemon.

    Requires: lcdproc installed and LCDd running. U{http://lcdproc.sourceforge.net/}
    Requires: pylcd installed U{http://www.schwarzvogel.de/software-pylcd.shtml}

    Also, your LCD dimensions must be supported. Right now it support: 4x20,
    4x40, 2x16, 2x20, 2x40. If you have one with different dimension, it will
    try to fit a smaller one, if none was find, then it will be disabled.

    To support a new dimension is just a matter of creating 'screens' to
    that dimension, which is really easy, since a 'screen' is just a set of
    python dicts telling how to display information on the LCD. You can try it
    yourself, just take a look in src/plugins/lcd.py, the variable is
    'layouts'. If you add support for your dimensions, please send a patch to
    the list freevo-devel@lists.sourceforge.net, or if you weren't able, just
    ask for it there.

    To activate this plugin, just put the following line at the end of your
    local_conf.py file:

    | plugin.activate('lcd')
    """
    __author__           = 'Gustavo Sverzut Barbieri'
    __author_email__     = 'barbieri@gmail.com'
    __maintainer__       = __author__
    __maintainer_email__ = __author_email__
    __version__          = '$Revision: 11180 $'

    def __init__(self, height=None, width=None):
        """
        init the lcd
        """
        _debug_('PluginInterface.__init__(height=%r, width=%r)' % (height, width), 2)
        plugin.DaemonPlugin.__init__(self)
        try:
            self.lcd = pylcd.client()
            cm = self.lcd.connect()
        except:
            self.disable = 1
            self.reason = 'LCD plugin will not load! Maybe you don"t have LCDd (lcdproc daemon) running?'
            return

        if config.DEBUG > 0:
            _debug_('Connecting to LCD: %s' % cm, 2)
            _debug_('Info as known by the LCD module:', 2)
            self.lcd.getinfo()
            _debug_('', 2)

        self.poll_interval = 10
        self.poll_menu_only = 0
        self.disable = 0
        self.height = height or self.lcd.d_height
        self.width  = width or self.lcd.d_width
        self.playitem = None
        self.generate_screens()
        if self.disable:
            return
        else:
            self.event_listener = 1
        self.version = self.lcd.s_version
        if self.version.startswith('0.5'):
            self.prio_map = { 'high': 'foreground', 'normal': 'background', 'low': 'info' }
        elif self.version.startswith('0.4'):
            self.prio_map = { 'high': '64', 'normal': '128', 'low': '192' }

        # Animaton-Sequence used in audio playback
        # Some displays (like the CrytstalFontz) do display the \ as a /
        if self.version.startswith('0.5'):
            self.animation_audioplayer_chars = ['-', '\\', '|', '/']
        elif self.version.startswith('0.4'):
            self.animation_audioplayer_chars = ['-', '\\', '|', '/']
        else:
            self.disable = 1
            self.reason = 'Unsupported LCDd version: %s' % (self.version,)
            return

        plugin.register(self, 'lcd')

        # Show welcome screen:
        for w in self.screens['welcome']:
            type, param, val = self.screens['welcome'][w]
            if val: param = param % eval(val)

            try:
                self.lcd.widget_set('welcome', w, param.encode('latin1'))
            except UnicodeError:
                self.lcd.widget_set('welcome', w, param)

        self.lcd.screen_set('welcome', '-priority %s -duration 2 -heartbeat off' % (self.prio_map['low']))
        self.last_screen = 'welcome'
        self.lsv = { } # will hold last screen value (lsv)


    def close(self):
        """
        to be called before the plugin exists.
        It terminates the connection with the server
        """
        _debug_('close()', 2)
        #self.lcd.send('bye')


    def draw(self, (type, object), osd):
        """
        'Draw' the information on the LCD display.
        """
        _debug_('draw(type=%r, object=%r, osd=%r)' % (type, object, osd), 2)
        if self.disable: return

        # Check if audio is detached
        # When in detached mode, do not draw the player screen
        if type == 'player':
            if plugin.getbyname('audio.detachbar'):
                if plugin.getbyname('audio.detachbar').state != 1: #BAR_HIDE
                    return

        if type == 'player':
            sname = '%s_%s' % (object.type, type)
        else:
            sname = type

        if not self.screens.has_key(sname):
            sname = 'menu'

        if sname != self.last_screen:
            # recreate screen
            # This is used to handle cases where the previous screen was dirty
            # ie: played music with info and now play music without, the previous
            #     info will still be there
            self.lcd.screen_del(sname)
            self.generate_screen(sname)
            self.lsv = { } # reset last changed values

        if type == 'menu':
            menu  = object.menustack[-1]
            title = menu.selected.name
            if isinstance(menu.selected, MenuItem):
                title = _(title)
            typeinfo = menu.selected.type
            info = ''

            if menu.selected.getattr('type'):
                typeinfo = menu.selected.getattr('type')

            # get info:
            if menu.selected.type and menu_info.has_key(menu.selected.type):
                info = get_info(menu.selected, menu_info[menu.selected.type])
                if menu_strinfo.has_key(menu.selected.type) and menu_strinfo[menu.selected.type]:
                    if info:
                        info += sep_str
                    info += time.strftime(menu_strinfo[menu.selected.type])

            # specific things related with item type
            if menu.selected.type == 'audio':
                title = String(menu.selected.getattr('title'))
                if not title:
                    title = String(menu.selected.getattr('name'))
                if menu.selected.getattr('trackno'):
                    title = '%s - %s' % (String(menu.selected.getattr('trackno')), title)

        elif type == 'player':
            player = object
            title  = player.getattr('title')
            if not title:
                title = String(player.getattr('name'))

            if player.type == 'audio':
                if player.getattr('trackno'):
                    title = '%s - %s' % (String(player.getattr('trackno')), title)

            elif player.type == 'video':
                length = player.getattr('length')
                elapsed = player.elapsed
                if elapsed / 3600:
                    elapsed ='%d:%02d:%02d' % (elapsed / 3600, (elapsed % 3600) / 60,
                                                elapsed % 60)
                else:
                    elapsed = '%d:%02d' % (elapsed / 60, elapsed % 60)
                try:
                    percentage = float(player.elapsed / player.length)
                except:
                    percentage = None

        elif type == 'tv':
            tv = copy.copy(object.selected)

            if tv.start == 0:
                tv.start = ' 0:00'
                tv.stop  = '23:59' # could also be: '????'
            else:
                tv.start = time.localtime(tv.start)
                tv.stop  = time.localtime(tv.stop)

                tv.start = '% 2d:%02d' % (tv.start[3], tv.start[4])
                tv.stop  = '% 2d:%02d' % (tv.stop[3], tv.stop[4])


        s = self.screens[sname]
        for w in s:
            t, param, val = s[w]
            try:
                if val: param = param % eval(val)
            except:
                param = None

            k = '%s %s' % (sname, w)
            try:
                if String(self.lsv[k]) == String(param):
                    continue # nothing changed in this widget
            except KeyError:
                pass

            self.lsv[k] = param
            if param:
                try:
                    self.lcd.widget_set(sname, w, param.encode('latin1'))
                except UnicodeError:
                    self.lcd.widget_set(sname, w, param)

        if self.last_screen != sname:
            self.lcd.screen_set(self.last_screen, '-priority %s' % (self.prio_map['normal']))
            self.lcd.screen_set(sname, '-priority %s' % (self.prio_map['high']))
            self.last_screen = sname


    def poll(self):
        #_debug_('poll()', 2)
        if self.disable: return

        if self.playitem:
            self.draw(('player', self.playitem), None)

        try:
            screens = poll_widgets[self.lines][self.columns]
        except:
            return

        for s in screens:
            widgets = screens[s]

            for w in widgets:
                type, param, val = self.screens[s][w]

                if val: param = param % eval(val)
                try:
                    self.lcd.widget_set(s, w, param.encode('latin1'))
                except UnicodeError:
                    self.lcd.widget_set(s, w, param)


    def generate_screens(self):
        _debug_('generate_screens()', 2)
        screens = None
        l = self.height
        c = self.width
        # Find a screen with 'l' lines
        while not screens:
            try:
                screens = layouts[l]
            except KeyError:
                _debug_('Could not find screens for %d lines LCD!' % (l), DWARNING)
                l -= 1
                if l < 1:
                    _debug_('No screens found for this LCD (%dx%d)!' % (self.height, self.width), DERROR)
                    self.disable = 1
                    return
        # find a display with 'l' line and 'c' columns
        while not screens:
            try:
                screens = layouts[l][c]
            except KeyError:
                _debug_('Could not find screens for %d lines and %d columns LCD!' % (l, c), DWARNING)
                c -= 1
                if c < 1:
                    _debug_('No screens found for this LCD (%dx%d)!' % (self.height, self.width), DERROR)
                    self.disable = 1
                    return

        self.lines = l
        self.columns = c
        try:
            self.screens = screens = layouts[l][c]
        except KeyError:
            _debug_('Could not find screens for %d lines and %d columns LCD!' % \
                (self.height, self.width), DWARNING)
            _debug_('No screens found for this LCD (%dx%d)!' % (self.height, self.width), DERROR)
            self.disable = 1
            return

        for s in screens:
            self.generate_screen(s)


    def generate_screen(self, s):
        _debug_('generate_screen(s=%r)' % (s,), 2)
        if not self.screens.has_key(s):
            s = 'menu'
        self.lcd.screen_add(s)
        widgets = self.screens[s]
        self.lcd.screen_set(s, '-heartbeat off')

        for w in widgets:
            type, param, val = self.screens[s][w]
            _debug_('widget_add(s=%r, w=%r, type=%r)' % (s, w, type), 2)
            self.lcd.widget_add(s, w, type)


    def eventhandler(self, event, menuw=None):
        _debug_('eventhandler(event=%r, menuw=%r)' % (event.name, menuw), 2)
        if event == PLAY_START:
            self.playitem = event.arg
        elif event == PLAY_END or event == STOP:
            self.playitem = None
        return 0


    def get_sepstrmscroll(self, mscrolldata):
        """
        used for marquee scroller; returns seperator if info is wider then lcd
        """
        #_debug_('get_sepstrmscroll(mscrolldata=%r)' % (mscrolldata,), 2)
        if len(mscrolldata) > self.width:
            return sep_str_mscroll
        return ''
