class Player(object): # common bits of __init__(...) def __init__( self, show_id, showlist, root, canvas, show_params, track_params, pp_dir, pp_home, pp_profile, end_callback, command_callback, ): # create debugging log object self.mon = Monitor() self.mon.trace(self, "") # instantiate arguments self.show_id = show_id self.showlist = showlist self.root = root self.canvas = canvas["canvas-obj"] self.show_canvas_x1 = canvas["show-canvas-x1"] self.show_canvas_y1 = canvas["show-canvas-y1"] self.show_canvas_x2 = canvas["show-canvas-x2"] self.show_canvas_y2 = canvas["show-canvas-y2"] self.show_canvas_width = canvas["show-canvas-width"] self.show_canvas_height = canvas["show-canvas-height"] self.show_canvas_centre_x = canvas["show-canvas-centre-x"] self.show_canvas_centre_y = canvas["show-canvas-centre-y"] self.show_params = show_params self.track_params = track_params self.pp_dir = pp_dir self.pp_home = pp_home self.pp_profile = pp_profile self.end_callback = end_callback self.command_callback = command_callback # get background image from profile. self.background_file = "" if self.track_params["background-image"] != "": self.background_file = self.track_params["background-image"] # get background colour from profile. if self.track_params["background-colour"] != "": self.background_colour = self.track_params["background-colour"] else: self.background_colour = self.show_params["background-colour"] # get animation instructions from profile self.animate_begin_text = self.track_params["animate-begin"] self.animate_end_text = self.track_params["animate-end"] # create an instance of showmanager so we can control concurrent shows # self.show_manager=ShowManager(self.show_id,self.showlist,self.show_params,self.root,self.canvas,self.pp_dir,self.pp_profile,self.pp_home) # open the plugin Manager self.pim = PluginManager( self.show_id, self.root, self.canvas, self.show_params, self.track_params, self.pp_dir, self.pp_home, self.pp_profile, ) # create an instance of Animate so we can send animation commands self.animate = Animate() # initialise state and signals self.background_obj = None self.show_text_obj = None self.track_text_obj = None self.hint_obj = None self.background = None self.freeze_at_end_required = "no" # overriden by videoplayer self.tick_timer = None self.terminate_signal = False self.play_state = "" def pre_load(self): # Control other shows at beginning self.show_control(self.track_params["show-control-begin"]) pass # common bits of show(....) def pre_show(self): self.mon.trace(self, "") # show_x_content moved to just before ready_callback to improve flicker. self.show_x_content() # and whatecer the plugin has created self.pim.show_plugin() # ready callback hides and closes players from previous track, also displays show background if self.ready_callback is not None: self.ready_callback(self.enable_show_background) # create animation events reason, message = self.animate.animate(self.animate_begin_text, id(self)) if reason == "error": self.mon.err(self, message) self.play_state = "show-failed" if self.finished_callback is not None: self.finished_callback("error", message) else: # return to start playing the track. self.mon.log(self, ">show track received from show Id: " + str(self.show_id)) return # to keep landscape happy def ready_callback(self, enable_show_background): self.mon.fatal(self, "ready callback not overridden") self.end("error", "ready callback not overridden") def finished_callback(self, reason, message): self.mon.fatal(self, "finished callback not overridden") self.end("error", "finished callback not overridden") def closed_callback(self, reason, message): self.mon.fatal(self, "closed callback not overridden") self.end("error", "closed callback not overridden") # Control shows so pass the show control commands back to PiPresents via the command callback def show_control(self, show_control_text): lines = show_control_text.split("\n") for line in lines: if line.strip() == "": continue # print 'show control command: ',line self.command_callback(line, self.show_params["show-ref"]) # ***************** # hide content and end animation, show control etc. # called by ready calback and end # ***************** def hide(self): self.mon.trace(self, "") # abort the timer if self.tick_timer is not None: self.canvas.after_cancel(self.tick_timer) self.tick_timer = None self.hide_x_content() # stop the plugin if self.track_params["plugin"] != "": self.pim.stop_plugin() # Control concurrent shows at end self.show_control(self.track_params["show-control-end"]) # clear events list for this track if self.track_params["animate-clear"] == "yes": self.animate.clear_events_list(id(self)) # create animation events for ending reason, message = self.animate.animate(self.animate_end_text, id(self)) if reason == "error": self.play_state = "show-failed" if self.finished_callback is not None: self.finished_callback("error", message) else: return def terminate(self): self.mon.trace(self, "") self.terminate_signal = True if self.play_state == "showing": # call the derived class's stop method self.stop() else: self.end("killed", "terminate with no track or show open") # must be overriden by derived class def stop(self): self.mon.fatal(self, "stop not overidden by derived class") self.play_state = "show-failed" if self.finished_callback is not None: self.finished_callback("error", "stop not overidden by derived class") def get_play_state(self): return self.play_state # ***************** # ending the player # ***************** def end(self, reason, message): self.mon.trace(self, "") # stop the plugin if self.terminate_signal is True: reason = "killed" self.terminate_signal = False self.hide() self.end_callback(reason, message) self = None # ***************** # displaying common things # ***************** def load_plugin(self): # load the plugin if required if self.track_params["plugin"] != "": reason, message, self.track = self.pim.load_plugin(self.track, self.track_params["plugin"]) return reason, message def draw_plugin(self): # load the plugin if required if self.track_params["plugin"] != "": self.pim.draw_plugin() return def load_x_content(self, enable_menu): self.mon.trace(self, "") self.background_obj = None self.background = None self.track_text_obj = None self.show_text_obj = None self.hint_obj = None self.track_obj = None # background image if self.background_file != "": background_img_file = self.complete_path(self.background_file) if not os.path.exists(background_img_file): return "error", "Track background file not found " + background_img_file else: pil_background_img = Image.open(background_img_file) # print 'pil_background_img ',pil_background_img image_width, image_height = pil_background_img.size window_width = self.show_canvas_width window_height = self.show_canvas_height if image_width != window_width or image_height != window_height: pil_background_img = pil_background_img.resize((window_width, window_height)) self.background = ImageTk.PhotoImage(pil_background_img) del pil_background_img self.background_obj = self.canvas.create_image( self.show_canvas_x1, self.show_canvas_y1, image=self.background, anchor=NW ) # print '\nloaded background_obj: ',self.background_obj # load the track content. Dummy function below is overridden in players status, message = self.load_track_content() if status == "error": return "error", message # load show text if enabled if self.show_params["show-text"] != "" and self.track_params["display-show-text"] == "yes": self.show_text_obj = self.canvas.create_text( int(self.show_params["show-text-x"]) + self.show_canvas_x1, int(self.show_params["show-text-y"]) + self.show_canvas_y1, anchor=NW, text=self.show_params["show-text"], fill=self.show_params["show-text-colour"], font=self.show_params["show-text-font"], ) # load track text if enabled if self.track_params["track-text"] != "": self.track_text_obj = self.canvas.create_text( int(self.track_params["track-text-x"]) + self.show_canvas_x1, int(self.track_params["track-text-y"]) + self.show_canvas_y1, anchor=NW, text=self.track_params["track-text"], fill=self.track_params["track-text-colour"], font=self.track_params["track-text-font"], ) # load instructions if enabled if enable_menu is True: self.hint_obj = self.canvas.create_text( int(self.show_params["hint-x"]) + self.show_canvas_x1, int(self.show_params["hint-y"]) + self.show_canvas_y1, text=self.show_params["hint-text"], fill=self.show_params["hint-colour"], font=self.show_params["hint-font"], anchor=NW, ) self.display_show_canvas_rectangle() self.pim.draw_plugin() self.canvas.tag_raise("pp-click-area") self.canvas.itemconfig(self.background_obj, state="hidden") self.canvas.itemconfig(self.show_text_obj, state="hidden") self.canvas.itemconfig(self.track_text_obj, state="hidden") self.canvas.itemconfig(self.hint_obj, state="hidden") self.canvas.update_idletasks() return "normal", "x-content loaded" # display the rectangle that is the show canvas def display_show_canvas_rectangle(self): # coords=[self.show_canvas_x1,self.show_canvas_y1,self.show_canvas_x2-1,self.show_canvas_y2-1] # self.canvas.create_rectangle(coords, # outline='yellow', # fill='') pass # dummy functions to manipulate the track content, overidden in some players, # message text in messageplayer # image in imageplayer # menu stuff in menuplayer def load_track_content(self): return "normal", "player has no track content to load" def show_track_content(self): pass def hide_track_content(self): pass def show_x_content(self): self.mon.trace(self, "") # background colour if self.background_colour != "": self.canvas.config(bg=self.background_colour) # print 'showing background_obj: ', self.background_obj # reveal background image and text self.canvas.itemconfig(self.background_obj, state="normal") self.show_track_content() self.canvas.itemconfig(self.show_text_obj, state="normal") self.canvas.itemconfig(self.track_text_obj, state="normal") self.canvas.itemconfig(self.hint_obj, state="normal") # self.canvas.update_idletasks( ) # decide whether the show background should be enabled. # print 'DISPLAY SHOW BG',self.track_params['display-show-background'],self.background_obj if self.background_obj is None and self.track_params["display-show-background"] == "yes": self.enable_show_background = True else: self.enable_show_background = False # print 'ENABLE SB',self.enable_show_background def hide_x_content(self): self.mon.trace(self, "") self.hide_track_content() self.canvas.itemconfig(self.background_obj, state="hidden") self.canvas.itemconfig(self.show_text_obj, state="hidden") self.canvas.itemconfig(self.track_text_obj, state="hidden") self.canvas.itemconfig(self.hint_obj, state="hidden") # self.canvas.update_idletasks( ) self.canvas.delete(self.background_obj) self.canvas.delete(self.show_text_obj) self.canvas.delete(self.track_text_obj) self.canvas.delete(self.hint_obj) self.background = None # self.canvas.update_idletasks( ) # **************** # utilities # ***************** def get_links(self): return self.track_params["links"] # produce an absolute path from the relative one in track paramters def complete_path(self, track_file): # complete path of the filename of the selected entry if track_file[0] == "+": track_file = self.pp_home + track_file[1:] # self.mon.log(self,"Background image is "+ track_file) return track_file # get a text string from resources.cfg def resource(self, section, item): value = self.rr.get(section, item) return value # False if not found
class Player(object): # common bits of __init__(...) def __init__(self, show_id, showlist, root, canvas, show_params, track_params, pp_dir, pp_home, pp_profile, end_callback, command_callback): # create debugging log object self.mon = Monitor() self.mon.trace(self, '') # instantiate arguments self.show_id = show_id self.showlist = showlist self.root = root self.canvas = canvas['canvas-obj'] self.show_canvas_x1 = canvas['show-canvas-x1'] self.show_canvas_y1 = canvas['show-canvas-y1'] self.show_canvas_x2 = canvas['show-canvas-x2'] self.show_canvas_y2 = canvas['show-canvas-y2'] self.show_canvas_width = canvas['show-canvas-width'] self.show_canvas_height = canvas['show-canvas-height'] self.show_canvas_centre_x = canvas['show-canvas-centre-x'] self.show_canvas_centre_y = canvas['show-canvas-centre-y'] self.show_params = show_params self.track_params = track_params self.pp_dir = pp_dir self.pp_home = pp_home self.pp_profile = pp_profile self.end_callback = end_callback self.command_callback = command_callback # get background image from profile. self.background_file = '' if self.track_params['background-image'] != '': self.background_file = self.track_params['background-image'] # get background colour from profile. if self.track_params['background-colour'] != '': self.background_colour = self.track_params['background-colour'] else: self.background_colour = self.show_params['background-colour'] # get animation instructions from profile self.animate_begin_text = self.track_params['animate-begin'] self.animate_end_text = self.track_params['animate-end'] # create an instance of showmanager so we can control concurrent shows # self.show_manager=ShowManager(self.show_id,self.showlist,self.show_params,self.root,self.canvas,self.pp_dir,self.pp_profile,self.pp_home) # open the plugin Manager self.pim = PluginManager(self.show_id, self.root, self.canvas, self.show_params, self.track_params, self.pp_dir, self.pp_home, self.pp_profile) # create an instance of Animate so we can send animation commands self.animate = Animate() # initialise state and signals self.background_obj = None self.show_text_obj = None self.track_text_obj = None self.hint_obj = None self.background = None self.freeze_at_end_required = 'no' # overriden by videoplayer self.tick_timer = None self.terminate_signal = False self.play_state = '' def pre_load(self): # Control other shows at beginning self.show_control(self.track_params['show-control-begin']) pass # common bits of show(....) def pre_show(self): self.mon.trace(self, '') # show_x_content moved to just before ready_callback to improve flicker. self.show_x_content() # and whatecer the plugin has created self.pim.show_plugin() #ready callback hides and closes players from previous track, also displays show background if self.ready_callback is not None: self.ready_callback(self.enable_show_background) # create animation events reason, message = self.animate.animate(self.animate_begin_text, id(self)) if reason == 'error': self.mon.err(self, message) self.play_state = 'show-failed' if self.finished_callback is not None: self.finished_callback('error', message) else: # return to start playing the track. self.mon.log( self, ">show track received from show Id: " + str(self.show_id)) return # to keep landscape happy def ready_callback(self, enable_show_background): self.mon.fatal(self, 'ready callback not overridden') self.end('error', 'ready callback not overridden') def finished_callback(self, reason, message): self.mon.fatal(self, 'finished callback not overridden') self.end('error', 'finished callback not overridden') def closed_callback(self, reason, message): self.mon.fatal(self, 'closed callback not overridden') self.end('error', 'closed callback not overridden') # Control shows so pass the show control commands back to PiPresents via the command callback def show_control(self, show_control_text): lines = show_control_text.split('\n') for line in lines: if line.strip() == "": continue # print 'show control command: ',line self.command_callback(line, source='track', show=self.show_params['show-ref']) # ***************** # hide content and end animation, show control etc. # called by ready calback and end # ***************** def hide(self): self.mon.trace(self, '') # abort the timer if self.tick_timer is not None: self.canvas.after_cancel(self.tick_timer) self.tick_timer = None self.hide_x_content() # stop the plugin if self.track_params['plugin'] != '': self.pim.stop_plugin() # Control concurrent shows at end self.show_control(self.track_params['show-control-end']) # clear events list for this track if self.track_params['animate-clear'] == 'yes': self.animate.clear_events_list(id(self)) # create animation events for ending reason, message = self.animate.animate(self.animate_end_text, id(self)) if reason == 'error': self.play_state = 'show-failed' if self.finished_callback is not None: self.finished_callback('error', message) else: return def terminate(self): self.mon.trace(self, '') self.terminate_signal = True if self.play_state == 'showing': # call the derived class's stop method self.stop() else: self.end('killed', 'terminate with no track or show open') # must be overriden by derived class def stop(self): self.mon.fatal(self, 'stop not overidden by derived class') self.play_state = 'show-failed' if self.finished_callback is not None: self.finished_callback('error', 'stop not overidden by derived class') def get_play_state(self): return self.play_state # ***************** # ending the player # ***************** def end(self, reason, message): self.mon.trace(self, '') # stop the plugin if self.terminate_signal is True: reason = 'killed' self.terminate_signal = False self.hide() self.end_callback(reason, message) self = None # ***************** # displaying common things # ***************** def load_plugin(self): # load the plugin if required if self.track_params['plugin'] != '': reason, message, self.track = self.pim.load_plugin( self.track, self.track_params['plugin']) return reason, message def draw_plugin(self): # load the plugin if required if self.track_params['plugin'] != '': self.pim.draw_plugin() return def load_x_content(self, enable_menu): self.mon.trace(self, '') self.background_obj = None self.background = None self.track_text_obj = None self.show_text_obj = None self.hint_obj = None self.track_obj = None # background image if self.background_file != '': background_img_file = self.complete_path(self.background_file) if not os.path.exists(background_img_file): return 'error', "Track background file not found " + background_img_file else: pil_background_img = Image.open(background_img_file) # print 'pil_background_img ',pil_background_img image_width, image_height = pil_background_img.size window_width = self.show_canvas_width window_height = self.show_canvas_height if image_width != window_width or image_height != window_height: pil_background_img = pil_background_img.resize( (window_width, window_height)) self.background = ImageTk.PhotoImage(pil_background_img) del pil_background_img self.background_obj = self.canvas.create_image( self.show_canvas_x1, self.show_canvas_y1, image=self.background, anchor=NW) # print '\nloaded background_obj: ',self.background_obj # load the track content. Dummy function below is overridden in players status, message = self.load_track_content() if status == 'error': return 'error', message # load show text if enabled if self.show_params['show-text'] != '' and self.track_params[ 'display-show-text'] == 'yes': x, y, anchor, justify = calculate_text_position( self.show_params['show-text-x'], self.show_params['show-text-y'], self.show_canvas_x1, self.show_canvas_y1, self.show_canvas_centre_x, self.show_canvas_centre_y, self.show_canvas_x2, self.show_canvas_y2, self.show_params['show-text-justify']) self.show_text_obj = self.canvas.create_text( x, y, anchor=anchor, justify=justify, text=self.show_params['show-text'], fill=self.show_params['show-text-colour'], font=self.show_params['show-text-font']) # load track text if enabled if self.track_params['track-text'] != '': x, y, anchor, justify = calculate_text_position( self.track_params['track-text-x'], self.track_params['track-text-y'], self.show_canvas_x1, self.show_canvas_y1, self.show_canvas_centre_x, self.show_canvas_centre_y, self.show_canvas_x2, self.show_canvas_y2, self.track_params['track-text-justify']) self.track_text_obj = self.canvas.create_text( x, y, anchor=anchor, justify=justify, text=self.track_params['track-text'], fill=self.track_params['track-text-colour'], font=self.track_params['track-text-font']) # load instructions if enabled if enable_menu is True: x, y, anchor, justify = calculate_text_position( self.show_params['hint-x'], self.show_params['hint-y'], self.show_canvas_x1, self.show_canvas_y1, self.show_canvas_centre_x, self.show_canvas_centre_y, self.show_canvas_x2, self.show_canvas_y2, self.show_params['hint-justify']) self.hint_obj = self.canvas.create_text( x, y, justify=justify, text=self.show_params['hint-text'], fill=self.show_params['hint-colour'], font=self.show_params['hint-font'], anchor=anchor) self.display_show_canvas_rectangle() self.pim.draw_plugin() self.canvas.tag_raise('pp-click-area') self.canvas.itemconfig(self.background_obj, state='hidden') self.canvas.itemconfig(self.show_text_obj, state='hidden') self.canvas.itemconfig(self.track_text_obj, state='hidden') self.canvas.itemconfig(self.hint_obj, state='hidden') self.canvas.update_idletasks() return 'normal', 'x-content loaded' # display the rectangle that is the show canvas def display_show_canvas_rectangle(self): # coords=[self.show_canvas_x1,self.show_canvas_y1,self.show_canvas_x2-1,self.show_canvas_y2-1] # self.canvas.create_rectangle(coords, # outline='yellow', # fill='') pass # dummy functions to manipulate the track content, overidden in some players, # message text in messageplayer # image in imageplayer # menu stuff in menuplayer def load_track_content(self): return 'normal', 'player has no track content to load' def show_track_content(self): pass def hide_track_content(self): pass def show_x_content(self): self.mon.trace(self, '') # background colour if self.background_colour != '': self.canvas.config(bg=self.background_colour) # print 'showing background_obj: ', self.background_obj # reveal background image and text self.canvas.itemconfig(self.background_obj, state='normal') self.show_track_content() self.canvas.itemconfig(self.show_text_obj, state='normal') self.canvas.itemconfig(self.track_text_obj, state='normal') self.canvas.itemconfig(self.hint_obj, state='normal') # self.canvas.update_idletasks( ) # decide whether the show background should be enabled. # print 'DISPLAY SHOW BG',self.track_params['display-show-background'],self.background_obj if self.background_obj is None and self.track_params[ 'display-show-background'] == 'yes': self.enable_show_background = True else: self.enable_show_background = False # print 'ENABLE SB',self.enable_show_background def hide_x_content(self): self.mon.trace(self, '') self.hide_track_content() self.canvas.itemconfig(self.background_obj, state='hidden') self.canvas.itemconfig(self.show_text_obj, state='hidden') self.canvas.itemconfig(self.track_text_obj, state='hidden') self.canvas.itemconfig(self.hint_obj, state='hidden') # self.canvas.update_idletasks( ) self.canvas.delete(self.background_obj) self.canvas.delete(self.show_text_obj) self.canvas.delete(self.track_text_obj) self.canvas.delete(self.hint_obj) self.background = None # self.canvas.update_idletasks( ) # **************** # utilities # ***************** def get_links(self): return self.track_params['links'] # produce an absolute path from the relative one in track paramters def complete_path(self, track_file): # complete path of the filename of the selected entry if track_file[0] == "+": track_file = self.pp_home + track_file[1:] elif track_file[0] == "@": track_file = self.pp_profile + track_file[1:] return track_file # get a text string from resources.cfg def resource(self, section, item): value = self.rr.get(section, item) return value # False if not found
class ShowManager(object): """ ShowManager manages PiPresents' concurrent shows. It does not manage sub-shows or child-shows but has a bit of common code to initilise them concurrent shows are always top level (level 0) shows: They can be opened/closed by the start show(open only) or by 'open/close myshow' in the Show Control field of players, by time of day sceduler or by OSC Two shows with the same show reference cannot be run concurrently as there is no way to reference an individual instance. However a workaround is to make the secong instance a subshow of a mediashow with a different reference. """ # Declare class variables shows = [] canvas = None #canvas for all shows shutdown_required = False SHOW_TEMPLATE = ['', None] SHOW_REF = 0 # show-reference - name of the show as in editor SHOW_OBJ = 1 # the python object showlist = [] # Initialise class variables, first time through only in pipresents.py def init(self, canvas, all_shows_ended_callback, command_callback, showlist): ShowManager.all_shows_ended_callback = all_shows_ended_callback ShowManager.shows = [] ShowManager.shutdown_required = False ShowManager.canvas = canvas ShowManager.command_callback = command_callback ShowManager.showlist = showlist # ************************************** # functions to manipulate show register # ************************************** def register_shows(self): for show in ShowManager.showlist.shows(): if show['show-ref'] != 'start': reason, message = self.register_show(show['show-ref']) if reason == 'error': return reason, message return 'normal', 'shows regiistered' def register_show(self, ref): registered = self.show_registered(ref) if registered == -1: ShowManager.shows.append(copy.deepcopy(ShowManager.SHOW_TEMPLATE)) index = len(ShowManager.shows) - 1 ShowManager.shows[index][ShowManager.SHOW_REF] = ref ShowManager.shows[index][ShowManager.SHOW_OBJ] = None self.mon.trace( self, ' - register show: show_ref = ' + ref + ' index = ' + str(index)) return 'normal', 'show registered' else: # self.mon.err(self, ' more than one show in showlist with show-ref: ' + ref ) return 'error', ' more than one show in showlist with show-ref: ' + ref # is the show registered? # can be used to return the index to the show def show_registered(self, show_ref): index = 0 for show in ShowManager.shows: if show[ShowManager.SHOW_REF] == show_ref: return index index += 1 return -1 # needs calling program to check that the show is not already running def set_running(self, index, show_obj): ShowManager.shows[index][ShowManager.SHOW_OBJ] = show_obj self.mon.trace( self, 'show_ref= ' + ShowManager.shows[index][ShowManager.SHOW_REF] + ' show_id= ' + str(index)) # is the show running? def show_running(self, index): if ShowManager.shows[index][ShowManager.SHOW_OBJ] is not None: return ShowManager.shows[index][ShowManager.SHOW_OBJ] else: return None def set_exited(self, index): ShowManager.shows[index][ShowManager.SHOW_OBJ] = None self.mon.trace( self, 'show_ref= ' + ShowManager.shows[index][ShowManager.SHOW_REF] + ' show_id= ' + str(index)) # are all shows exited? def all_shows_exited(self): all_exited = True for show in ShowManager.shows: if show[ShowManager.SHOW_OBJ] is not None: all_exited = False return all_exited # fromat for printing def pretty_shows(self): shows = '\n' for show in ShowManager.shows: shows += show[ShowManager.SHOW_REF] + '\n' return shows # ********************************* # show control # ********************************* # show manager can be initialised by a player, shower or by pipresents.py # if by pipresents.py then show_id=-1 def __init__(self, show_id, showlist, show_params, root, canvas, pp_dir, pp_profile, pp_home): self.show_id = show_id self.showlist = showlist self.show_params = show_params self.root = root self.show_canvas = canvas self.pp_dir = pp_dir self.pp_profile = pp_profile self.pp_home = pp_home if not 'plugin' in self.show_params: self.show_params['plugin'] = '' self.pim = PluginManager(self.show_id, self.root, self.show_canvas, self.show_params, None, self.pp_dir, self.pp_home, self.pp_profile) self.mon = Monitor() def control_a_show(self, show_ref, show_command): if show_command == 'open': return self.start_show(show_ref) elif show_command == 'close': return self.exit_show(show_ref) else: return 'error', 'command not recognised ' + show_command def exit_all_shows(self): for show in ShowManager.shows: self.exit_show(show[ShowManager.SHOW_REF]) self.pim.stop_plugin() return 'normal', 'exited all shows' # kick off the exit sequence of a show by calling the shows exit method. # it will result in all the shows in a stack being closed and end_play_show being called def exit_show(self, show_ref): index = self.show_registered(show_ref) self.mon.log(self, "Exiting show " + show_ref + ' show index:' + str(index)) show_obj = self.show_running(index) if show_obj is not None: show_obj.exit() return 'normal', 'exited a concurrent show' def start_show(self, show_ref): index = self.show_registered(show_ref) if index < 0: return 'error', "Show not found in showlist: " + show_ref show_index = self.showlist.index_of_show(show_ref) show = self.showlist.show(show_index) reason, message, show_canvas = self.compute_show_canvas(show) if reason == 'error': return reason, message #print 'STARTING TOP LEVEL SHOW',show_canvas self.mon.log( self, 'Starting Show: ' + show_ref + ' from: ' + self.show_params['show-ref']) if self.show_running(index): self.mon.warn( self, "show already running so ignoring command: " + show_ref) return 'normal', 'this concurrent show already running' show_obj = self.init_show(index, show, show_canvas) if show_obj is None: return 'error', "unknown show type in start concurrent show - " + show[ 'type'] else: self.set_running(index, show_obj) # params - end_callback, show_ready_callback, parent_kickback_signal, level show_obj.play(self._end_play_show, None, False, 0, []) if not self.pim.is_running: self.pim.load_plugin(None, self.show_params['plugin']) self.pim.draw_plugin() self.pim.show_plugin() return 'normal', 'concurrent show started' # used by shows to create subshows or child shows def init_subshow(self, show_id, show, show_canvas): return self.init_show(show_id, show, show_canvas) def _end_play_show(self, index, reason, message): show_ref_to_exit = ShowManager.shows[index][ShowManager.SHOW_REF] show_to_exit = ShowManager.shows[index][ShowManager.SHOW_OBJ] self.mon.log( self, 'Exited from show: ' + show_ref_to_exit + ' ' + str(index)) self.mon.log(self, 'Exited with Reason = ' + reason) self.mon.trace( self, ' Show is: ' + show_ref_to_exit + ' show index ' + str(index)) # closes the video/audio from last track then closes the track # print 'show to exit ',show_to_exit, show_to_exit.current_player,show_to_exit.previous_player self.set_exited(index) if self.all_shows_exited() is True: ShowManager.all_shows_ended_callback(reason, message) return reason, message # common function to initilaise the show by type def init_show( self, show_id, selected_show, show_canvas, ): if selected_show['type'] == "mediashow": return MediaShow(show_id, selected_show, self.root, show_canvas, self.showlist, self.pp_dir, self.pp_home, self.pp_profile, ShowManager.command_callback) elif selected_show['type'] == "liveshow": return LiveShow(show_id, selected_show, self.root, show_canvas, self.showlist, self.pp_dir, self.pp_home, self.pp_profile, ShowManager.command_callback) elif selected_show['type'] == "radiobuttonshow": return RadioButtonShow(show_id, selected_show, self.root, show_canvas, self.showlist, self.pp_dir, self.pp_home, self.pp_profile, ShowManager.command_callback) elif selected_show['type'] == "hyperlinkshow": return HyperlinkShow(show_id, selected_show, self.root, show_canvas, self.showlist, self.pp_dir, self.pp_home, self.pp_profile, ShowManager.command_callback) elif selected_show['type'] == "menu": return MenuShow(show_id, selected_show, self.root, show_canvas, self.showlist, self.pp_dir, self.pp_home, self.pp_profile, ShowManager.command_callback) elif selected_show['type'] == "artmediashow": return ArtMediaShow(show_id, selected_show, self.root, show_canvas, self.showlist, self.pp_dir, self.pp_home, self.pp_profile, ShowManager.command_callback) elif selected_show['type'] == "artliveshow": return ArtLiveShow(show_id, selected_show, self.root, show_canvas, self.showlist, self.pp_dir, self.pp_home, self.pp_profile, ShowManager.command_callback) else: return None def compute_show_canvas(self, show_params): canvas = {} canvas['canvas-obj'] = ShowManager.canvas status, message, self.show_canvas_x1, self.show_canvas_y1, self.show_canvas_x2, self.show_canvas_y2 = self.parse_show_canvas( show_params['show-canvas']) if status == 'error': # self.mon.err(self,'show canvas error: ' + message + ' in ' + show_params['show-canvas']) return 'error', 'show canvas error: ' + message + ' in ' + show_params[ 'show-canvas'], canvas else: self.show_canvas_width = self.show_canvas_x2 - self.show_canvas_x1 self.show_canvas_height = self.show_canvas_y2 - self.show_canvas_y1 self.show_canvas_centre_x = self.show_canvas_width / 2 self.show_canvas_centre_y = self.show_canvas_height / 2 canvas['show-canvas-x1'] = self.show_canvas_x1 canvas['show-canvas-y1'] = self.show_canvas_y1 canvas['show-canvas-x2'] = self.show_canvas_x2 canvas['show-canvas-y2'] = self.show_canvas_y2 canvas['show-canvas-width'] = self.show_canvas_width canvas['show-canvas-height'] = self.show_canvas_height canvas['show-canvas-centre-x'] = self.show_canvas_centre_x canvas['show-canvas-centre-y'] = self.show_canvas_centre_y return 'normal', '', canvas def parse_show_canvas(self, text): fields = text.split() # blank so show canvas is the whole screen if len(fields) < 1: return 'normal', '', 0, 0, int(self.canvas['width']), int( self.canvas['height']) elif len(fields) == 4: # window is specified if not (fields[0].isdigit() and fields[1].isdigit() and fields[2].isdigit() and fields[3].isdigit()): return 'error', 'coordinates are not positive integers', 0, 0, 0, 0 return 'normal', '', int(fields[0]), int(fields[1]), int( fields[2]), int(fields[3]) else: # error return 'error', 'illegal Show canvas dimensions ' + text, 0, 0, 0, 0
class Player(object): # common bits of __init__(...) def __init__(self, show_id, showlist, root, canvas, show_params, track_params, pp_dir, pp_home, pp_profile, end_callback, command_callback): # create debugging log object self.mon=Monitor() self.mon.trace(self,'') # instantiate arguments self.show_id=show_id self.showlist=showlist self.root=root self.canvas=canvas['canvas-obj'] self.show_canvas_x1 = canvas['show-canvas-x1'] self.show_canvas_y1 = canvas['show-canvas-y1'] self.show_canvas_x2 = canvas['show-canvas-x2'] self.show_canvas_y2 = canvas['show-canvas-y2'] self.show_canvas_width = canvas['show-canvas-width'] self.show_canvas_height= canvas['show-canvas-height'] self.show_canvas_centre_x= canvas['show-canvas-centre-x'] self.show_canvas_centre_y= canvas['show-canvas-centre-y'] self.show_params=show_params self.track_params=track_params self.pp_dir=pp_dir self.pp_home=pp_home self.pp_profile=pp_profile self.end_callback=end_callback self.command_callback=command_callback # get background image from profile. self.background_file='' if self.track_params['background-image'] != '': self.background_file= self.track_params['background-image'] # get background colour from profile. if self.track_params['background-colour'] != '': self.background_colour= self.track_params['background-colour'] else: self.background_colour= self.show_params['background-colour'] # get animation instructions from profile self.animate_begin_text=self.track_params['animate-begin'] self.animate_end_text=self.track_params['animate-end'] # create an instance of showmanager so we can control concurrent shows # self.show_manager=ShowManager(self.show_id,self.showlist,self.show_params,self.root,self.canvas,self.pp_dir,self.pp_profile,self.pp_home) # open the plugin Manager self.pim=PluginManager(self.show_id,self.root,self.canvas,self.show_params,self.track_params,self.pp_dir,self.pp_home,self.pp_profile) # create an instance of Animate so we can send animation commands self.animate = Animate() # initialise state and signals self.background_obj=None self.show_text_obj=None self.track_text_obj=None self.hint_obj=None self.background=None self.freeze_at_end_required='no' # overriden by videoplayer self.tick_timer=None self.terminate_signal=False self.play_state='' def pre_load(self): pass # common bits of show(....) def pre_show(self): self.mon.trace(self,'') # show_x_content moved to just before ready_callback to improve flicker. self.show_x_content() #ready callback hides and closes players from previous track, also displays show background if self.ready_callback is not None: self.ready_callback(self.enable_show_background) # Control other shows and do counters and osc at beginning self.show_control(self.track_params['show-control-begin']) # and show whatever the plugin has created self.show_plugin() # create animation events reason,message=self.animate.animate(self.animate_begin_text,id(self)) if reason == 'error': self.mon.err(self,message) self.play_state='show-failed' if self.finished_callback is not None: self.finished_callback('error',message) else: # return to start playing the track. self.mon.log(self,">show track received from show Id: "+ str(self.show_id)) return # to keep landscape happy def ready_callback(self,enable_show_background): self.mon.fatal(self,'ready callback not overridden') self.end('error','ready callback not overridden') def finished_callback(self,reason,message): self.mon.fatal(self,'finished callback not overridden') self.end('error','finished callback not overridden') def closed_callback(self,reason,message): self.mon.fatal(self,'closed callback not overridden') self.end('error','closed callback not overridden') # Control shows so pass the show control commands back to PiPresents via the command callback def show_control(self,show_control_text): lines = show_control_text.split('\n') for line in lines: if line.strip() == "": continue # print 'show control command: ',line self.command_callback(line, source='track',show=self.show_params['show-ref']) # ***************** # hide content and end animation, show control etc. # called by ready calback and end # ***************** def hide(self): self.mon.trace(self,'') # abort the timer if self.tick_timer is not None: self.canvas.after_cancel(self.tick_timer) self.tick_timer=None self.hide_x_content() # stop the plugin self.hide_plugin() # Control concurrent shows at end self.show_control(self.track_params['show-control-end']) # clear events list for this track if self.track_params['animate-clear'] == 'yes': self.animate.clear_events_list(id(self)) # create animation events for ending # !!!!! TEMPORARY FIX reason,message=self.animate.animate(self.animate_end_text,id(self)) if reason == 'error': self.mon.err(self,message) # self.play_state='show-failed' # if self.finished_callback is not None: # self.finished_callback('error',message) else: return def terminate(self): self.mon.trace(self,'') self.terminate_signal=True if self.play_state == 'showing': # call the derived class's stop method self.stop() else: self.end('killed','terminate with no track or show open') # must be overriden by derived class def stop(self): self.mon.fatal(self,'stop not overidden by derived class') self.play_state='show-failed' if self.finished_callback is not None: self.finished_callback('error','stop not overidden by derived class') def get_play_state(self): return self.play_state # ***************** # ending the player # ***************** def end(self,reason,message): self.mon.trace(self,'') # stop the plugin if self.terminate_signal is True: reason='killed' self.terminate_signal=False self.hide() self.end_callback(reason,message) self=None # ***************** # displaying common things # ***************** def load_plugin(self): # called in load before load_x_content modify the track here if self.track_params['plugin'] != '': reason,message,self.track = self.pim.load_plugin(self.track,self.track_params['plugin']) return reason,message def show_plugin(self): # called at show time, write to the track here if you need it after show_control_begin (counters) if self.track_params['plugin'] != '': self.pim.show_plugin() def hide_plugin(self): # called at the end of the track if self.track_params['plugin'] != '': self.pim.stop_plugin() def load_x_content(self,enable_menu): self.mon.trace(self,'') self.background_obj=None self.background=None self.track_text_obj=None self.show_text_obj=None self.hint_obj=None self.track_obj=None # background image if self.background_file != '': background_img_file = self.complete_path(self.background_file) if not os.path.exists(background_img_file): return 'error',"Track background file not found "+ background_img_file else: try: pil_background_img=Image.open(background_img_file) except: pil_background_img=None self.background=None self.background_obj=None return 'error','Track background, not a recognised image format '+ background_img_file # print 'pil_background_img ',pil_background_img image_width,image_height=pil_background_img.size window_width=self.show_canvas_width window_height=self.show_canvas_height if image_width != window_width or image_height != window_height: pil_background_img=pil_background_img.resize((window_width, window_height)) self.background = ImageTk.PhotoImage(pil_background_img) del pil_background_img self.background_obj = self.canvas.create_image(self.show_canvas_x1, self.show_canvas_y1, image=self.background, anchor=NW) # print '\nloaded background_obj: ',self.background_obj # load the track content. Dummy function below is overridden in players status,message=self.load_track_content() if status == 'error': return 'error',message # load show text if enabled if self.show_params['show-text'] != '' and self.track_params['display-show-text'] == 'yes': x,y,anchor,justify=calculate_text_position(self.show_params['show-text-x'],self.show_params['show-text-y'], self.show_canvas_x1,self.show_canvas_y1, self.show_canvas_centre_x,self.show_canvas_centre_y, self.show_canvas_x2,self.show_canvas_y2,self.show_params['show-text-justify']) self.show_text_obj=self.canvas.create_text(x,y, anchor=anchor, justify=justify, text=self.show_params['show-text'], fill=self.show_params['show-text-colour'], font=self.show_params['show-text-font']) # load track text if enabled if self.track_params['track-text-x'] =='': track_text_x= self.show_params['track-text-x'] else: track_text_x= self.track_params['track-text-x'] if self.track_params['track-text-y'] =='': track_text_y= self.show_params['track-text-y'] else: track_text_y= self.track_params['track-text-y'] if self.track_params['track-text-justify'] =='': track_text_justify= self.show_params['track-text-justify'] else: track_text_justify= self.track_params['track-text-justify'] if self.track_params['track-text-font'] =='': track_text_font= self.show_params['track-text-font'] else: track_text_font= self.track_params['track-text-font'] if self.track_params['track-text-colour'] =='': track_text_colour= self.show_params['track-text-colour'] else: track_text_colour= self.track_params['track-text-colour'] if self.track_params['track-text'] != '': x,y,anchor,justify=calculate_text_position(track_text_x,track_text_y, self.show_canvas_x1,self.show_canvas_y1, self.show_canvas_centre_x,self.show_canvas_centre_y, self.show_canvas_x2,self.show_canvas_y2,track_text_justify) self.track_text_obj=self.canvas.create_text(x,y, anchor=anchor, justify=justify, text=self.track_params['track-text'], fill=track_text_colour, font=track_text_font) # load instructions if enabled if enable_menu is True: x,y,anchor,justify=calculate_text_position(self.show_params['hint-x'],self.show_params['hint-y'], self.show_canvas_x1,self.show_canvas_y1, self.show_canvas_centre_x,self.show_canvas_centre_y, self.show_canvas_x2,self.show_canvas_y2,self.show_params['hint-justify']) self.hint_obj=self.canvas.create_text(x,y, justify=justify, text=self.show_params['hint-text'], fill=self.show_params['hint-colour'], font=self.show_params['hint-font'], anchor=anchor) self.display_show_canvas_rectangle() self.canvas.tag_raise('pp-click-area') self.canvas.itemconfig(self.background_obj,state='hidden') self.canvas.itemconfig(self.show_text_obj,state='hidden') self.canvas.itemconfig(self.track_text_obj,state='hidden') self.canvas.itemconfig(self.hint_obj,state='hidden') self.canvas.update_idletasks( ) return 'normal','x-content loaded' # display the rectangle that is the show canvas def display_show_canvas_rectangle(self): # coords=[self.show_canvas_x1,self.show_canvas_y1,self.show_canvas_x2-1,self.show_canvas_y2-1] # self.canvas.create_rectangle(coords, # outline='yellow', # fill='') pass # dummy functions to manipulate the track content, overidden in some players, # message text in messageplayer # image in imageplayer # menu stuff in menuplayer def load_track_content(self): return 'normal','player has no track content to load' def show_track_content(self): pass def hide_track_content(self): pass def show_x_content(self): self.mon.trace(self,'') # background colour if self.background_colour != '': self.canvas.config(bg=self.background_colour) # print 'showing background_obj: ', self.background_obj # reveal background image and text self.canvas.itemconfig(self.background_obj,state='normal') self.show_track_content() self.canvas.itemconfig(self.show_text_obj,state='normal') self.canvas.itemconfig(self.track_text_obj,state='normal') self.canvas.itemconfig(self.hint_obj,state='normal') # self.canvas.update_idletasks( ) # decide whether the show background should be enabled. # print 'DISPLAY SHOW BG',self.track_params['display-show-background'],self.background_obj if self.background_obj is None and self.track_params['display-show-background']=='yes': self.enable_show_background=True else: self.enable_show_background=False # print 'ENABLE SB',self.enable_show_background def hide_x_content(self): self.mon.trace(self,'') self.hide_track_content() self.canvas.itemconfig(self.background_obj,state='hidden') self.canvas.itemconfig(self.show_text_obj,state='hidden') self.canvas.itemconfig(self.track_text_obj,state='hidden') self.canvas.itemconfig(self.hint_obj,state='hidden') # self.canvas.update_idletasks( ) self.canvas.delete(self.background_obj) self.canvas.delete(self.show_text_obj) self.canvas.delete(self.track_text_obj) self.canvas.delete(self.hint_obj) self.background=None # self.canvas.update_idletasks( ) # **************** # utilities # ***************** def get_links(self): return self.track_params['links'] # produce an absolute path from the relative one in track paramters def complete_path(self,track_file): # complete path of the filename of the selected entry if track_file[0] == "+": track_file=self.pp_home+track_file[1:] elif track_file[0] == "@": track_file=self.pp_profile+track_file[1:] return track_file # get a text string from resources.cfg def resource(self,section,item): value=self.rr.get(section,item) return value # False if not found
class ShowManager(object): """ ShowManager manages PiPresents' concurrent shows. It does not manage sub-shows or child-shows but has a bit of common code to initilise them concurrent shows are always top level (level 0) shows: They can be opened/closed by the start show(open only) or by 'open/close myshow' in the Show Control field of players, by time of day sceduler or by OSC Two shows with the same show reference cannot be run concurrently as there is no way to reference an individual instance. However a workaround is to make the secong instance a subshow of a mediashow with a different reference. """ # Declare class variables shows = [] canvas = None # canvas for all shows shutdown_required = False SHOW_TEMPLATE = ["", None] SHOW_REF = 0 # show-reference - name of the show as in editor SHOW_OBJ = 1 # the python object showlist = [] # Initialise class variables, first time through only in pipresents.py def init(self, canvas, all_shows_ended_callback, command_callback, showlist): ShowManager.all_shows_ended_callback = all_shows_ended_callback ShowManager.shows = [] ShowManager.shutdown_required = False ShowManager.canvas = canvas ShowManager.command_callback = command_callback ShowManager.showlist = showlist # ************************************** # functions to manipulate show register # ************************************** def register_shows(self): for show in ShowManager.showlist.shows(): if show["show-ref"] != "start": reason, message = self.register_show(show["show-ref"]) if reason == "error": return reason, message return "normal", "shows regiistered" def register_show(self, ref): registered = self.show_registered(ref) if registered == -1: ShowManager.shows.append(copy.deepcopy(ShowManager.SHOW_TEMPLATE)) index = len(ShowManager.shows) - 1 ShowManager.shows[index][ShowManager.SHOW_REF] = ref ShowManager.shows[index][ShowManager.SHOW_OBJ] = None self.mon.trace(self, " - register show: show_ref = " + ref + " index = " + str(index)) return "normal", "show registered" else: # self.mon.err(self, ' more than one show in showlist with show-ref: ' + ref ) return "error", " more than one show in showlist with show-ref: " + ref # is the show registered? # can be used to return the index to the show def show_registered(self, show_ref): index = 0 for show in ShowManager.shows: if show[ShowManager.SHOW_REF] == show_ref: return index index += 1 return -1 # needs calling program to check that the show is not already running def set_running(self, index, show_obj): ShowManager.shows[index][ShowManager.SHOW_OBJ] = show_obj self.mon.trace(self, "show_ref= " + ShowManager.shows[index][ShowManager.SHOW_REF] + " show_id= " + str(index)) # is the show running? def show_running(self, index): if ShowManager.shows[index][ShowManager.SHOW_OBJ] is not None: return ShowManager.shows[index][ShowManager.SHOW_OBJ] else: return None def set_exited(self, index): ShowManager.shows[index][ShowManager.SHOW_OBJ] = None self.mon.trace(self, "show_ref= " + ShowManager.shows[index][ShowManager.SHOW_REF] + " show_id= " + str(index)) # are all shows exited? def all_shows_exited(self): all_exited = True for show in ShowManager.shows: if show[ShowManager.SHOW_OBJ] is not None: all_exited = False return all_exited # fromat for printing def pretty_shows(self): shows = "\n" for show in ShowManager.shows: shows += show[ShowManager.SHOW_REF] + "\n" return shows # ********************************* # show control # ********************************* # show manager can be initialised by a player, shower or by pipresents.py # if by pipresents.py then show_id=-1 def __init__(self, show_id, showlist, show_params, root, canvas, pp_dir, pp_profile, pp_home): self.show_id = show_id self.showlist = showlist self.show_params = show_params self.root = root self.show_canvas = canvas self.pp_dir = pp_dir self.pp_profile = pp_profile self.pp_home = pp_home if not "plugin" in self.show_params: self.show_params["plugin"] = "" self.pim = PluginManager( self.show_id, self.root, self.show_canvas, self.show_params, None, self.pp_dir, self.pp_home, self.pp_profile, ) self.mon = Monitor() def control_a_show(self, show_ref, show_command): if show_command == "open": return self.start_show(show_ref) elif show_command == "close": return self.exit_show(show_ref) else: return "error", "command not recognised " + show_command def exit_all_shows(self): for show in ShowManager.shows: self.exit_show(show[ShowManager.SHOW_REF]) self.pim.stop_plugin() return "normal", "exited all shows" # kick off the exit sequence of a show by calling the shows exit method. # it will result in all the shows in a stack being closed and end_play_show being called def exit_show(self, show_ref): index = self.show_registered(show_ref) self.mon.log(self, "Exiting show " + show_ref + " show index:" + str(index)) show_obj = self.show_running(index) if show_obj is not None: show_obj.exit() return "normal", "exited a concurrent show" def start_show(self, show_ref): index = self.show_registered(show_ref) if index < 0: return "error", "Show not found in showlist: " + show_ref show_index = self.showlist.index_of_show(show_ref) show = self.showlist.show(show_index) reason, message, show_canvas = self.compute_show_canvas(show) if reason == "error": return reason, message # print 'STARTING TOP LEVEL SHOW',show_canvas self.mon.log(self, "Starting Show: " + show_ref + " from: " + self.show_params["show-ref"]) if self.show_running(index): self.mon.warn(self, "show already running so ignoring command: " + show_ref) return "normal", "this concurrent show already running" show_obj = self.init_show(index, show, show_canvas) if show_obj is None: return "error", "unknown show type in start concurrent show - " + show["type"] else: self.set_running(index, show_obj) # params - end_callback, show_ready_callback, parent_kickback_signal, level show_obj.play(self._end_play_show, None, False, 0, []) if not self.pim.is_running: self.pim.load_plugin(None, self.show_params["plugin"]) self.pim.draw_plugin() self.pim.show_plugin() return "normal", "concurrent show started" # used by shows to create subshows or child shows def init_subshow(self, show_id, show, show_canvas): return self.init_show(show_id, show, show_canvas) def _end_play_show(self, index, reason, message): show_ref_to_exit = ShowManager.shows[index][ShowManager.SHOW_REF] show_to_exit = ShowManager.shows[index][ShowManager.SHOW_OBJ] self.mon.log(self, "Exited from show: " + show_ref_to_exit + " " + str(index)) self.mon.log(self, "Exited with Reason = " + reason) self.mon.trace(self, " Show is: " + show_ref_to_exit + " show index " + str(index)) # closes the video/audio from last track then closes the track # print 'show to exit ',show_to_exit, show_to_exit.current_player,show_to_exit.previous_player self.set_exited(index) if self.all_shows_exited() is True: ShowManager.all_shows_ended_callback(reason, message) return reason, message # common function to initilaise the show by type def init_show(self, show_id, selected_show, show_canvas): if selected_show["type"] == "mediashow": return MediaShow( show_id, selected_show, self.root, show_canvas, self.showlist, self.pp_dir, self.pp_home, self.pp_profile, ShowManager.command_callback, ) elif selected_show["type"] == "liveshow": return LiveShow( show_id, selected_show, self.root, show_canvas, self.showlist, self.pp_dir, self.pp_home, self.pp_profile, ShowManager.command_callback, ) elif selected_show["type"] == "radiobuttonshow": return RadioButtonShow( show_id, selected_show, self.root, show_canvas, self.showlist, self.pp_dir, self.pp_home, self.pp_profile, ShowManager.command_callback, ) elif selected_show["type"] == "hyperlinkshow": return HyperlinkShow( show_id, selected_show, self.root, show_canvas, self.showlist, self.pp_dir, self.pp_home, self.pp_profile, ShowManager.command_callback, ) elif selected_show["type"] == "menu": return MenuShow( show_id, selected_show, self.root, show_canvas, self.showlist, self.pp_dir, self.pp_home, self.pp_profile, ShowManager.command_callback, ) elif selected_show["type"] == "artmediashow": return ArtMediaShow( show_id, selected_show, self.root, show_canvas, self.showlist, self.pp_dir, self.pp_home, self.pp_profile, ShowManager.command_callback, ) elif selected_show["type"] == "artliveshow": return ArtLiveShow( show_id, selected_show, self.root, show_canvas, self.showlist, self.pp_dir, self.pp_home, self.pp_profile, ShowManager.command_callback, ) else: return None def compute_show_canvas(self, show_params): canvas = {} canvas["canvas-obj"] = ShowManager.canvas status, message, self.show_canvas_x1, self.show_canvas_y1, self.show_canvas_x2, self.show_canvas_y2 = self.parse_show_canvas( show_params["show-canvas"] ) if status == "error": # self.mon.err(self,'show canvas error: ' + message + ' in ' + show_params['show-canvas']) return "error", "show canvas error: " + message + " in " + show_params["show-canvas"], canvas else: self.show_canvas_width = self.show_canvas_x2 - self.show_canvas_x1 self.show_canvas_height = self.show_canvas_y2 - self.show_canvas_y1 self.show_canvas_centre_x = self.show_canvas_width / 2 self.show_canvas_centre_y = self.show_canvas_height / 2 canvas["show-canvas-x1"] = self.show_canvas_x1 canvas["show-canvas-y1"] = self.show_canvas_y1 canvas["show-canvas-x2"] = self.show_canvas_x2 canvas["show-canvas-y2"] = self.show_canvas_y2 canvas["show-canvas-width"] = self.show_canvas_width canvas["show-canvas-height"] = self.show_canvas_height canvas["show-canvas-centre-x"] = self.show_canvas_centre_x canvas["show-canvas-centre-y"] = self.show_canvas_centre_y return "normal", "", canvas def parse_show_canvas(self, text): fields = text.split() # blank so show canvas is the whole screen if len(fields) < 1: return "normal", "", 0, 0, int(self.canvas["width"]), int(self.canvas["height"]) elif len(fields) == 4: # window is specified if not (fields[0].isdigit() and fields[1].isdigit() and fields[2].isdigit() and fields[3].isdigit()): return "error", "coordinates are not positive integers", 0, 0, 0, 0 return "normal", "", int(fields[0]), int(fields[1]), int(fields[2]), int(fields[3]) else: # error return "error", "illegal Show canvas dimensions " + text, 0, 0, 0, 0