first working pass at menu scrolling
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@ -9,7 +9,7 @@ import musicpd
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from math import floor
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class SoundslabDisplay:
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def __init__(self, player_client):
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def __init__(self, player_client, input_handler):
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self.screen_size = 240, 240
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self.spi_speed_mhz = 80
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self.st7789 = ST7789(
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@ -30,12 +30,13 @@ class SoundslabDisplay:
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# the connection to mpd passed in
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self.player_client = player_client
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# the connection to the input handler passed in
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self.input_handler = input_handler
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# track battery voltage over time so we can figure out if we're charging the battery or not
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self.previous_voltage = 0.0
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# track currently playing song's art path to eliminate unnecessary reloads of the same image file
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self.current_art_path = None
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# start with menus hidden
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self.show_menu = False
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def _displayOff(self):
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self.st7789.set_backlight(0) # turn off the backlight
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@ -70,13 +71,14 @@ class SoundslabDisplay:
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return (voltage, capacity)
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def updateMenu(self, menu_data=None):
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def updateMenu(self):
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menu_data = self.input_handler.getMenuOptions()
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# always start with a transparent menu overlay image
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bg_color = (200, 0, 0, 255)
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fg_color = (0, 0, 0, 255)
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im_menu_overlay = Image.new("RGBA", self.screen_size, (0, 0, 0, 0))
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menu_overlay = ImageDraw.Draw(im_menu_overlay)
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if self.show_menu and menu_data is not None:
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if self.input_handler.state == self.input_handler.MENU and menu_data is not None:
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# we have a menu to display
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#
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# menu_data is structured as a dict describing the menu to be displayed:
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@ -108,11 +110,11 @@ class SoundslabDisplay:
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font = ImageFont.truetype(font='/usr/share/fonts/truetype/hack/Hack-Bold.ttf', size=15)
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for idx, row in enumerate(menu_data["rows"], start=0):
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if menu_data["selected"] == idx:
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if idx == 1:
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menu_overlay.rectangle([(21, offset_from_top),(self.screen_size[0] - 21, offset_from_top + 40)], fg_color) # highlight background for selected menu item
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output_size = menu_overlay.textsize(row) # get the size of the text to draw so we can center it in our rectangle for this row
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menu_overlay.text(((self.screen_size[0] / 2) - floor(output_size[0] / 2) - 14, offset_from_top + (20 - floor(output_size[1]) + 1)), row, font=font, fill=bg_color if menu_data["selected"] == idx else fg_color) # draw output text in appropriate color
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menu_overlay.text(((self.screen_size[0] / 2) - floor(output_size[0] / 2) - 14, offset_from_top + (20 - floor(output_size[1]) + 1)), row, font=font, fill=bg_color if idx == 1 else fg_color) # draw output text in appropriate color
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offset_from_top += 40
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# finally, set the current_menu image
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@ -12,7 +12,14 @@ class SoundslabInputHandler:
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self.player_client.connect()
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# initialize connection to display
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self.display = SoundslabDisplay(self.player_client)
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self.display = SoundslabDisplay(self.player_client, self)
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# set up some states and an initial state
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(self.NOWPLAYING, self.MENU, self.LOCKED) = [1, 2, 3]
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self.state = self.NOWPLAYING
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self.current_menu_level = 1
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self.current_menu_position = 0
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self.current_menu_items = []
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# The buttons on Pirate Audio are connected to pins 5, 6, 16 and 24
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# Boards prior to 23 January 2020 used 5, 6, 16 and 20
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@ -48,9 +55,53 @@ class SoundslabInputHandler:
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for pin in self.BUTTONS:
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GPIO.add_event_detect(pin, GPIO.FALLING, self.handle_button, bouncetime=150)
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# menu handler
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def getMenuOptions(self):
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if self.current_menu_level == 1:
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menu = {
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"options": [
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"Toggle repeat",
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"Toggle shuffle",
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"View queue >",
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"Browse playlists >",
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"Browse artists >",
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"Browse genres >",
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"Browse decades >",
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"Browse albums >",
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"Browse songs >",
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"Shuffle all songs",
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"Shuffle all albums",
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"Settings >",
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"Power off",
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"About"
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]
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}
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if self.current_menu_position == 0:
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rows = ["", menu["options"][self.current_menu_position], menu["options"][self.current_menu_position + 1]]
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elif self.current_menu_position == len(menu["options"]) - 1:
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rows = [menu["options"][self.current_menu_position - 1], menu["options"][self.current_menu_position], ""]
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else:
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# one before current, current, and one after current
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rows = [ menu["options"][self.current_menu_position - 1], menu["options"][self.current_menu_position], menu["options"][self.current_menu_position + 1] ]
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self.current_menu_items = menu["options"]
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return {
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"has_previous": False if self.current_menu_position == 0 else True,
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"has_next": False if self.current_menu_position == len(menu["options"]) else True,
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"selected": self.current_menu_position,
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"rows": rows
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}
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else:
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return None
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def handle_menu_option_select(self):
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pass
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# some button handlers
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def NE(self):
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# play/pause toggle
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# this is ALWAYS play/pause toggle
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status = self.player_client.status()
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if status['state'] == "play":
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print("pausing")
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@ -63,7 +114,7 @@ class SoundslabInputHandler:
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player_client.play()
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def SW(self):
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# previous track
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# this is ALWAYS previous track
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status = player_client.status()
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if float(status['elapsed']) > 5.0:
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# restart track
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@ -75,31 +126,59 @@ class SoundslabInputHandler:
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self.player_client.previous()
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def NW(self):
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# open menu
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# this is ALWAYS toggle menu
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print("toggling menu")
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if self.display.show_menu is True:
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self.display.show_menu = False
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if self.state != self.MENU:
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self.last_state = self.state
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self.state = self.MENU
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else:
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self.display.show_menu = True
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self.state = self.last_state
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self.current_menu_level = 1
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self.current_menu_position = 0
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self.current_menu_items = []
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def SE(self):
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# next track
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# this is ALWAYS next track
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print("next track")
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self.player_client.next()
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def UP(self):
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# check current state
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if self.state == self.NOWPLAYING:
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# volume up 10%
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print("vol up")
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status = self.player_client.status()
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if int(status['volume']) < 100:
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self.player_client.setvol(int(status['volume']) + 10)
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elif self.state == self.MENU:
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# move up
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print("up one menu item")
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if self.current_menu_position != 0:
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self.current_menu_position -= 1
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else:
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print("cannot go up from here!")
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else:
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# no op when screen is locked
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pass
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def DN(self):
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# check current state
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if self.state == self.NOWPLAYING:
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# volume down 10%
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print("vol down")
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status = self.player_client.status()
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if int(status['volume']) > 0:
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self.player_client.setvol(int(status['volume']) - 10)
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elif self.state == self.MENU:
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# move down
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print("down one menu item")
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if self.current_menu_position < len(self.current_menu_items) - 1:
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self.current_menu_position += 1;
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else:
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print("cannot go down from here!")
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else:
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# no op when screen is locked
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pass
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def LF(self):
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# seek back 10s
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@ -129,15 +208,7 @@ class SoundslabInputHandler:
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input_handler = SoundslabInputHandler()
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while True:
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if input_handler.display.show_menu is True:
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# test menu
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input_handler.display.updateMenu({
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"has_previous": False,
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"has_next": True,
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"selected": 0,
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"rows": ["Turn repeat on", "Turn shuffle on", "View queue >"]
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})
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else:
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input_handler.display.updateMenu()
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# test album art
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input_handler.display.updateAlbumArt()
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