Add a scoreboard with a timer

main.py

 import sys
 from PyQt5 import QtWidgets as qtw
-from PyQt5 import QtCore as qtc
-from PyQt5 import QtGui as qtg
-from detector import Detector
+from team import TeamWindow
+from scoreboard import ScoreWindow
 
 
-class AlignDelegate(qtw.QStyledItemDelegate):
-    def initStyleOption(self, option, index):
-        super(AlignDelegate, self).initStyleOption(option, index)
-        option.displayAlignment = qtc.Qt.AlignCenter
+class MainWindow(qtw.QWidget):
+    def __init__(self):
+        super().__init__()
+        self.stacked_layout = qtw.QStackedLayout()
 
+        self.team_window = TeamWindow()
+        self.scoreboard_window = ScoreWindow()
 
-class MainWindow(qtw.QMainWindow):
-    NAME, TAG = range(2)
+        self.stacked_layout.addWidget(self.team_window)
+        self.stacked_layout.addWidget(self.scoreboard_window)
 
-    def __init__(self, *args, **kargs):
-        super().__init__(*args, **kargs)
+        self.team_window.start_button.clicked.connect(self.start_activity)
 
-        self.detector = Detector()
-        self.tag_ids = {}
-
-        self.setWindowTitle("Liste des équipes")
-        widget = qtw.QWidget(self)
-        self.setCentralWidget(widget)
-        self.status_bar = qtw.QStatusBar()
-        self.setStatusBar(self.status_bar)
-
-        self.table_view = qtw.QTableView()
-        self.table_view.setEditTriggers(qtw.QAbstractItemView.NoEditTriggers)
-        self.table_view.horizontalHeader().setSectionResizeMode(qtw.QHeaderView.Stretch)
-        self.table_view.verticalHeader().setVisible(False)
-
-        # Align text to the center
-        delegate = AlignDelegate(self.table_view)
-        self.table_view.setItemDelegate(delegate)
-
-        self.tree_model = qtg.QStandardItemModel(0, 2, self.table_view)
-        self.tree_model.setHeaderData(self.NAME, qtc.Qt.Horizontal, "Nom")
-        self.tree_model.setHeaderData(self.TAG, qtc.Qt.Horizontal, "Tag")
-        self.table_view.setModel(self.tree_model)
-
-        self.name_input = qtw.QLineEdit()
-        self.tag_label = qtw.QLabel("")
-        self.add_button = qtw.QPushButton("Ajouter")
-        self.edit_button = qtw.QPushButton("Modifier")
-        self.delete_button = qtw.QPushButton("Supprimer")
-        self.scan_button = qtw.QPushButton("Scanner le tag")
-        self.activity_box = qtw.QComboBox()
-        self.time_edit = qtw.QTimeEdit()
-        self.start_button = qtw.QPushButton("Démarrer l'activité")
-
-        hlayout1 = qtw.QHBoxLayout()
-        hlayout1.addWidget(qtw.QLabel("Nom de l'équipe :"))
-        hlayout1.addWidget(self.name_input)
-
-        hlayout2 = qtw.QHBoxLayout()
-        hlayout2.addWidget(qtw.QLabel("Tag ID :"))
-        hlayout2.addWidget(self.tag_label)
-
-        hlayout3 = qtw.QHBoxLayout()
-        hlayout3.addLayout(hlayout2)
-        hlayout3.addWidget(self.scan_button)
-
-        hlayout4 = qtw.QHBoxLayout()
-        hlayout4.addWidget(self.add_button)
-        hlayout4.addWidget(self.edit_button)
-        hlayout4.addWidget(self.delete_button)
-
-        vlayout1 = qtw.QVBoxLayout()
-        vlayout1.addWidget(self.table_view)
-        vlayout1.addLayout(hlayout1)
-        vlayout1.addLayout(hlayout3)
-        vlayout1.addLayout(hlayout4)
-
-        vertical_spacer = qtw.QSpacerItem(20, 40, qtw.QSizePolicy.Minimum, qtw.QSizePolicy.Expanding)
-
-        vlayout2 = qtw.QVBoxLayout()
-        vlayout2.addWidget(qtw.QLabel("Choix de l'activité :"))
-        vlayout2.addWidget(self.activity_box)
-        vlayout2.addItem(vertical_spacer)
-        vlayout2.addWidget(qtw.QLabel("Choix du temps :"))
-        vlayout2.addWidget(self.time_edit)
-        vlayout2.addItem(vertical_spacer)
-        vlayout2.addWidget(self.start_button)
-        vlayout2.addStretch()
-
-        hlayout5 = qtw.QHBoxLayout()
-        hlayout5.addLayout(vlayout1)
-
-        # Add a vertical line
-        vline = qtw.QFrame()
-        vline.setFrameShape(qtw.QFrame.VLine)
-        vline.setMinimumWidth(10)
-        vline.setFrameShadow(qtw.QFrame.Sunken)
-        vline.setLineWidth(3)
-        hlayout5.addWidget(vline)
-
-        hlayout5.addLayout(vlayout2)
-        widget.setLayout(hlayout5)
-
-        self.scan_button.clicked.connect(self.detect_tag)
-        self.add_button.clicked.connect(self.add_team)
-        self.edit_button.clicked.connect(self.edit_team)
-        self.delete_button.clicked.connect(self.delete_team)
-
-        self.show()
-
-    def detect_tag(self):
-        tag_id = self.detector.detect_from_cam()
-        if tag_id:
-            self.tag_label.setText(str(tag_id))
-
-    def add_team(self):
-        if self.tag_label.text():
-            tag_id = int(self.tag_label.text())
-            name = self.name_input.text()
-            if self.is_valid(name, tag_id):
-                self.tree_model.insertRow(0)
-                self.tree_model.setData(self.tree_model.index(0, self.NAME), name)
-                self.tree_model.setData(self.tree_model.index(0, self.TAG), tag_id)
-                self.tag_label.setText("")
-                self.name_input.setText("")
-                self.tag_ids[name] = tag_id
-
-    def edit_team(self):
-        selected = self.table_view.selectedIndexes()
-        if selected:
-            item = selected[0]
-            name = self.tree_model.data(self.tree_model.index(item.row(), self.NAME))
-            tag_id = self.tree_model.data(self.tree_model.index(item.row(), self.TAG))
-            self.tag_label.setText(str(tag_id))
-            self.name_input.setText(name)
-            self.tree_model.takeRow(item.row())
-            del self.tag_ids[name]
-
-    def delete_team(self):
-        selected = self.table_view.selectedIndexes()
-        if selected:
-            item = selected[0]
-            name = self.tree_model.data(self.tree_model.index(item.row(), self.NAME))
-            self.tree_model.takeRow(item.row())
-            del self.tag_ids[name]
-
-    def is_valid(self, new_name, new_tag_id):
-        """
-        Check that the name and the id are valid and not already used
-        """
-        for name, tag_id in self.tag_ids.items():
-            if name == new_name:
-                self.status_bar.showMessage("Une équipe avec ce nom existe déjà.", 5000)
-                return False
-            elif tag_id == new_tag_id:
-                self.status_bar.showMessage("Une équipe avec ce tag existe déjà.", 5000)
-                return False
-        return True
+    def start_activity(self):
+        self.scoreboard_window.timer_start()
+        self.stacked_layout.setCurrentIndex(1)
 
 
 if __name__ == '__main__':

scoreboard.py

+import sys
+from PyQt5 import QtWidgets as qtw
+from PyQt5 import QtCore as qtc
+from PyQt5 import QtGui as qtg
+
+DURATION = 30
+
+
+class ScoreWindow(qtw.QMainWindow):
+    def __init__(self):
+        super().__init__()
+
+        self.setWindowTitle("Scores")
+        widget = qtw.QWidget(self)
+        self.setCentralWidget(widget)
+
+        self.list_widget = qtw.QListWidget()
+        self.timer_label = qtw.QLabel()
+        self.timer_label.setFont(qtg.QFont("Arial", 80, qtg.QFont.Bold))
+
+        self.timer = qtc.QTimer(self)
+        self.time_left = DURATION
+
+        vlayout = qtw.QVBoxLayout()
+        vlayout.addWidget(self.timer_label, alignment=qtc.Qt.AlignCenter)
+        vlayout.addWidget(self.list_widget)
+        widget.setLayout(vlayout)
+
+    def timer_start(self):
+        self.time_left = DURATION
+        self.timer.timeout.connect(self.timer_timeout)
+        self.timer.start(1000)
+
+        self.update_gui()
+
+    def timer_timeout(self):
+        self.time_left -= 1
+        if self.time_left == 0:
+            self.time_left = DURATION
+        self.update_gui()
+
+    def update_gui(self):
+        self.timer_label.setText(str(self.time_left))
+
+
+if __name__ == '__main__':
+    app = qtw.QApplication(sys.argv)
+    w = ScoreWindow()
+    sys.exit(app.exec_())

team.py

+import sys
+from PyQt5 import QtWidgets as qtw
+from PyQt5 import QtCore as qtc
+from PyQt5 import QtGui as qtg
+from detector import Detector
+
+
+class AlignDelegate(qtw.QStyledItemDelegate):
+    def initStyleOption(self, option, index):
+        super(AlignDelegate, self).initStyleOption(option, index)
+        option.displayAlignment = qtc.Qt.AlignCenter
+
+
+class TeamWindow(qtw.QMainWindow):
+    NAME, TAG = range(2)
+
+    def __init__(self, *args, **kargs):
+        super().__init__(*args, **kargs)
+
+        self.detector = Detector()
+        self.tag_ids = {}
+
+        self.setWindowTitle("Liste des équipes")
+        widget = qtw.QWidget(self)
+        self.setCentralWidget(widget)
+        self.status_bar = qtw.QStatusBar()
+        self.setStatusBar(self.status_bar)
+
+        self.table_view = qtw.QTableView()
+        self.table_view.setEditTriggers(qtw.QAbstractItemView.NoEditTriggers)
+        self.table_view.horizontalHeader().setSectionResizeMode(qtw.QHeaderView.Stretch)
+        self.table_view.verticalHeader().setVisible(False)
+
+        # Align text to the center
+        delegate = AlignDelegate(self.table_view)
+        self.table_view.setItemDelegate(delegate)
+
+        self.tree_model = qtg.QStandardItemModel(0, 2, self.table_view)
+        self.tree_model.setHeaderData(self.NAME, qtc.Qt.Horizontal, "Nom")
+        self.tree_model.setHeaderData(self.TAG, qtc.Qt.Horizontal, "Tag")
+        self.table_view.setModel(self.tree_model)
+
+        self.name_input = qtw.QLineEdit()
+        self.tag_label = qtw.QLabel("")
+        self.add_button = qtw.QPushButton("Ajouter")
+        self.edit_button = qtw.QPushButton("Modifier")
+        self.delete_button = qtw.QPushButton("Supprimer")
+        self.scan_button = qtw.QPushButton("Scanner le tag")
+        self.activity_box = qtw.QComboBox()
+        self.time_edit = qtw.QTimeEdit()
+        self.start_button = qtw.QPushButton("Démarrer l'activité")
+
+        hlayout1 = qtw.QHBoxLayout()
+        hlayout1.addWidget(qtw.QLabel("Nom de l'équipe :"))
+        hlayout1.addWidget(self.name_input)
+
+        hlayout2 = qtw.QHBoxLayout()
+        hlayout2.addWidget(qtw.QLabel("Tag ID :"))
+        hlayout2.addWidget(self.tag_label)
+
+        hlayout3 = qtw.QHBoxLayout()
+        hlayout3.addLayout(hlayout2)
+        hlayout3.addWidget(self.scan_button)
+
+        hlayout4 = qtw.QHBoxLayout()
+        hlayout4.addWidget(self.add_button)
+        hlayout4.addWidget(self.edit_button)
+        hlayout4.addWidget(self.delete_button)
+
+        vlayout1 = qtw.QVBoxLayout()
+        vlayout1.addWidget(self.table_view)
+        vlayout1.addLayout(hlayout1)
+        vlayout1.addLayout(hlayout3)
+        vlayout1.addLayout(hlayout4)
+
+        vertical_spacer = qtw.QSpacerItem(20, 40, qtw.QSizePolicy.Minimum, qtw.QSizePolicy.Expanding)
+
+        vlayout2 = qtw.QVBoxLayout()
+        vlayout2.addWidget(qtw.QLabel("Choix de l'activité :"))
+        vlayout2.addWidget(self.activity_box)
+        vlayout2.addItem(vertical_spacer)
+        vlayout2.addWidget(qtw.QLabel("Choix du temps :"))
+        vlayout2.addWidget(self.time_edit)
+        vlayout2.addItem(vertical_spacer)
+        vlayout2.addWidget(self.start_button)
+        vlayout2.addStretch()
+
+        hlayout5 = qtw.QHBoxLayout()
+        hlayout5.addLayout(vlayout1)
+
+        # Add a vertical line
+        vline = qtw.QFrame()
+        vline.setFrameShape(qtw.QFrame.VLine)
+        vline.setMinimumWidth(10)
+        vline.setFrameShadow(qtw.QFrame.Sunken)
+        vline.setLineWidth(3)
+        hlayout5.addWidget(vline)
+
+        hlayout5.addLayout(vlayout2)
+        widget.setLayout(hlayout5)
+
+        self.scan_button.clicked.connect(self.detect_tag)
+        self.add_button.clicked.connect(self.add_team)
+        self.edit_button.clicked.connect(self.edit_team)
+        self.delete_button.clicked.connect(self.delete_team)
+
+    def detect_tag(self):
+        tag_id = self.detector.detect_from_cam()
+        if tag_id:
+            self.tag_label.setText(str(tag_id))
+
+    def add_team(self):
+        if self.tag_label.text():
+            tag_id = int(self.tag_label.text())
+            name = self.name_input.text()
+            if self.is_valid(name, tag_id):
+                self.tree_model.insertRow(0)
+                self.tree_model.setData(self.tree_model.index(0, self.NAME), name)
+                self.tree_model.setData(self.tree_model.index(0, self.TAG), tag_id)
+                self.tag_label.setText("")
+                self.name_input.setText("")
+                self.tag_ids[name] = tag_id
+
+    def edit_team(self):
+        selected = self.table_view.selectedIndexes()
+        if selected:
+            item = selected[0]
+            name = self.tree_model.data(self.tree_model.index(item.row(), self.NAME))
+            tag_id = self.tree_model.data(self.tree_model.index(item.row(), self.TAG))
+            self.tag_label.setText(str(tag_id))
+            self.name_input.setText(name)
+            self.tree_model.takeRow(item.row())
+            del self.tag_ids[name]
+
+    def delete_team(self):
+        selected = self.table_view.selectedIndexes()
+        if selected:
+            item = selected[0]
+            name = self.tree_model.data(self.tree_model.index(item.row(), self.NAME))
+            self.tree_model.takeRow(item.row())
+            del self.tag_ids[name]
+
+    def is_valid(self, new_name, new_tag_id):
+        """
+        Check that the name and the id are valid and not already used
+        """
+        for name, tag_id in self.tag_ids.items():
+            if name == new_name:
+                self.status_bar.showMessage("Une équipe avec ce nom existe déjà.", 5000)
+                return False
+            elif tag_id == new_tag_id:
+                self.status_bar.showMessage("Une équipe avec ce tag existe déjà.", 5000)
+                return False
+        return True
+
+
+if __name__ == '__main__':
+    app = qtw.QApplication(sys.argv)
+    w = TeamWindow()
+    sys.exit(app.exec_())