Put progress bars on playing cart buttons.

app/musicmuster.py

@@ -10,7 +10,7 @@ from datetime import datetime, timedelta
 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 +22,7 @@ from PyQt5.QtWidgets import (
     QMainWindow,
     QMessageBox,
     QPushButton,
+    QProgressBar,
 )
 
 from dbconfig import engine, Session
@@ -57,6 +58,7 @@ class CartButton(QPushButton):
         super().__init__(parent)
         self.parent = parent
         self.cart_id = cart.id
+        self.duration = cart.duration
         self.path = cart.path
         self.player = None
         self.is_playing = False
@@ -68,6 +70,13 @@ class CartButton(QPushButton):
         self.setFont(font)
         self.setObjectName("cart_" + str(cart.cart_number))
 
+        self.pgb = QProgressBar(self, textVisible=False)
+        self.pgb.setVisible(False)
+        self.pgb.setGeometry(0, 0, self.width(), 10)
+        self.pgb.setMinimum(0)
+        self.pgb.setMaximum(100)
+        self.pgb.setValue(0)
+
     def __repr__(self) -> str:
         return (
             f"<CartButton(cart_id={self.cart_id} "
@@ -84,6 +93,11 @@ 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 +158,7 @@ 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 +167,7 @@ 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:
@@ -171,6 +187,8 @@ class Window(QMainWindow, Ui_MainWindow):
         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"""
@@ -196,6 +214,7 @@ class Window(QMainWindow, Ui_MainWindow):
                     cart.duration = tags['duration']
 
                 cart.enabled = dlg.ui.chkEnabled.isChecked()
+                cart.pgb.setVisible(cart.enabled)
                 cart.name = name
                 cart.path = path
 
@@ -231,7 +250,11 @@ class Window(QMainWindow, Ui_MainWindow):
             if not btn:
                 continue
             if btn.is_playing:
-                if not btn.player.is_playing():
+                if btn.player.is_playing():
+                    # Update progress bar
+                    position = btn.player.get_position()
+                    btn.pgb.setValue(int(position * 100))
+                else:
                     # Cart has finished playing
                     btn.is_playing = False
                     # Setting to position 0 doesn't seem to work
@@ -239,6 +262,7 @@ class Window(QMainWindow, Ui_MainWindow):
                     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 +1135,8 @@ 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 +1145,7 @@ class Window(QMainWindow, Ui_MainWindow):
 
         Actions required:
         - Update TOD clock
+        - Call cart_tick
         - If track is playing:
             update track clocks time and colours
         - Else: