Don't allow cart click while that cart is playing.

app/config.py

@@ -16,6 +16,7 @@ class Config(object):
     COLOUR_BITRATE_OK = "#dcedc8"
     COLOUR_CART_ERROR = "#dc3545"
     COLOUR_CART_PLAYING = "#248f24"
+    COLOUR_CART_PROGRESSBAR = "#000000"
     COLOUR_CART_READY = "#ffc107"
     COLOUR_CART_UNCONFIGURED = "#f2f2f2"
     COLOUR_CURRENT_HEADER = "#d4edda"

app/musicmuster.py

@@ -7,10 +7,11 @@ import sys
 import threading
 
 from datetime import datetime, timedelta
+from time import sleep
 from typing import List, Optional
 
 from PyQt5.QtCore import QDate, QEvent, Qt, QSize, QTime, QTimer
-from PyQt5.QtGui import QColor, QPalette, QFont
+from PyQt5.QtGui import QColor, QFont, QPalette, QResizeEvent
 from PyQt5.QtWidgets import (
     QApplication,
     QDialog,
@@ -22,6 +23,7 @@ from PyQt5.QtWidgets import (
     QMainWindow,
     QMessageBox,
     QPushButton,
+    QProgressBar,
 )
 
 from dbconfig import engine, Session
@@ -57,6 +59,10 @@ class CartButton(QPushButton):
         super().__init__(parent)
         self.parent = parent
         self.cart_id = cart.id
+        if cart.path and cart.enabled and not cart.duration:
+            tags = helpers.get_tags(cart.path)
+            cart.duration = tags['duration']
+        self.duration = cart.duration
         self.path = cart.path
         self.player = None
         self.is_playing = False
@@ -68,6 +74,17 @@ class CartButton(QPushButton):
         self.setFont(font)
         self.setObjectName("cart_" + str(cart.cart_number))
 
+        self.pgb = QProgressBar(self, textVisible=False)
+        self.pgb.setVisible(False)
+        palette = self.pgb.palette()
+        palette.setColor(QPalette.Highlight,
+                         QColor(Config.COLOUR_CART_PROGRESSBAR))
+        self.pgb.setPalette(palette)
+        self.pgb.setGeometry(0, 0, self.width(), 10)
+        self.pgb.setMinimum(0)
+        self.pgb.setMaximum(1)
+        self.pgb.setValue(0)
+
     def __repr__(self) -> str:
         return (
             f"<CartButton(cart_id={self.cart_id} "
@@ -84,6 +101,11 @@ class CartButton(QPushButton):
 
         return super().event(event)
 
+    def resizeEvent(self, event: QResizeEvent) -> None:
+        """Resize progess bar when button size changes"""
+
+        self.pgb.setGeometry(0, 0, self.width(), 10)
+
 
 class TrackData:
     def __init__(self, track):
@@ -144,6 +166,7 @@ class Window(QMainWindow, Ui_MainWindow):
         """Configure button with cart data"""
 
         btn.setEnabled(False)
+        btn.pgb.setVisible(False)
         if cart.path:
             if helpers.file_is_readable(cart.path):
                 colour = Config.COLOUR_CART_READY
@@ -152,6 +175,7 @@ class Window(QMainWindow, Ui_MainWindow):
                 btn.player.audio_set_volume(Config.VOLUME_VLC_DEFAULT)
                 if cart.enabled:
                     btn.setEnabled(True)
+                    btn.pgb.setVisible(True)
             else:
                 colour = Config.COLOUR_CART_ERROR
         else:
@@ -164,13 +188,20 @@ class Window(QMainWindow, Ui_MainWindow):
         """Handle cart click"""
 
         btn = self.sender()
+
         if helpers.file_is_readable(btn.path):
+            # Don't allow clicks while we're playing
+            btn.setEnabled(False)
             btn.player.play()
             btn.is_playing = True
             colour = Config.COLOUR_CART_PLAYING
+            thread = threading.Thread(target=self.cart_progressbar,
+                                      args=(btn,))
+            thread.start()
         else:
             colour = Config.COLOUR_CART_ERROR
         btn.setStyleSheet("background-color: " + colour + ";\n")
+        btn.pgb.minimum = 0
 
     def cart_edit(self, btn: CartButton, event: QEvent):
         """Handle context menu for cart button"""
@@ -223,6 +254,16 @@ class Window(QMainWindow, Ui_MainWindow):
                 # Configure button
                 self.cart_configure(cart, btn)
 
+    def cart_progressbar(self, btn: CartButton) -> None:
+        """Manage progress bar"""
+
+        ms = 0
+        btn.pgb.setMaximum(btn.duration)
+        while ms <= btn.duration:
+            btn.pgb.setValue(ms)
+            ms += 100
+            sleep(0.1)
+
     def cart_tick(self) -> None:
         """Cart clock actions"""
 
@@ -234,11 +275,13 @@ class Window(QMainWindow, Ui_MainWindow):
                 if not btn.player.is_playing():
                     # Cart has finished playing
                     btn.is_playing = False
+                    btn.setEnabled(True)
                     # Setting to position 0 doesn't seem to work
                     btn.player = self.music.VLC.media_player_new(btn.path)
                     btn.player.audio_set_volume(Config.VOLUME_VLC_DEFAULT)
                     colour = Config.COLOUR_CART_READY
                     btn.setStyleSheet("background-color: " + colour + ";\n")
+                    btn.pgb.setValue(0)
 
     def clear_selection(self) -> None:
         """ Clear selected row"""
@@ -1111,7 +1154,8 @@ class Window(QMainWindow, Ui_MainWindow):
         """
         Carry out clock tick actions.
 
-        The Time of Day clock is updated every tick (500ms).
+        The Time of Day clock and any cart progress bars are updated
+        every tick (500ms).
 
         All other timers are updated every second. As the timer displays
         have a one-second resolution, updating every 500ms can result in
@@ -1120,6 +1164,7 @@ class Window(QMainWindow, Ui_MainWindow):
 
         Actions required:
         - Update TOD clock
+        - Call cart_tick
         - If track is playing:
             update track clocks time and colours
         - Else:

app/playlists.py

@@ -823,7 +823,6 @@ class PlaylistTab(QTableWidget):
     def scroll_current_to_top(self) -> None:
         """Scroll currently-playing row to top"""
 
-        log.debug("KAE: playlists.scroll_current_to_top()")
         current_row = self._get_current_track_row()
         log.debug(f"KAE: playlists.scroll_current_to_top(), {current_row=}")
         self._scroll_to_top(current_row)
@@ -831,7 +830,6 @@ class PlaylistTab(QTableWidget):
     def scroll_next_to_top(self) -> None:
         """Scroll nextly-playing row to top"""
 
-        log.debug("KAE: playlists.scroll_next_to_top()")
         next_row = self._get_next_track_row()
         log.debug(f"KAE: playlists.scroll_next_to_top(), {next_row=}")
         self._scroll_to_top(next_row)