WIP V3: use signals to open wikipedia/songfacts pages

Also open wikipedia page on selecting next track

app/classes.py

@@ -83,8 +83,10 @@ class MusicMusterSignals(QObject):
     add_track_to_playlist_signal = pyqtSignal(int, int, int, str)
     enable_escape_signal = pyqtSignal(bool)
     next_track_changed_signal = pyqtSignal()
-    span_cells_signal = pyqtSignal(int, int, int, int)
+    search_songfacts_signal = pyqtSignal(str)
+    search_wikipedia_signal = pyqtSignal(str)
     show_warning_signal = pyqtSignal(str, str)
+    span_cells_signal = pyqtSignal(int, int, int, int)
     status_message_signal = pyqtSignal(str, int)
 
     def __post_init__(self):

app/infotabs.py

@@ -8,6 +8,7 @@ from PyQt6.QtWebEngineWidgets import QWebEngineView
 from PyQt6.QtWidgets import QTabWidget
 from config import Config
 
+from classes import MusicMusterSignals
 
 class InfoTabs(QTabWidget):
     """
@@ -17,7 +18,9 @@ class InfoTabs(QTabWidget):
     def __init__(self, parent=None) -> None:
         super().__init__(parent)
 
-        # Dictionary to record when tabs were last updated (so we can
+        self.signals = MusicMusterSignals()
+        self.signals.search_songfacts_signal.connect(self.open_in_songfacts)
+        self.signals.search_wikipedia_signal.connect(self.open_in_wikipedia)
         # re-use the oldest one later)
         self.last_update: Dict[QWebEngineView, datetime] = {}
         self.tabtitles: Dict[int, str] = {}

app/musicmuster.py

@@ -848,13 +848,7 @@ class Window(QMainWindow, Ui_MainWindow):
         if track_info is None:
             return
 
-        # Populate infotab in a thread as it's slow
-        QTimer.singleShot(
-            0,
-            lambda: self.tabInfolist.open_in_songfacts(
-                track_info.title
-            ),
-        )
+        self.signals.search_songfacts_signal.emit(track_info.title)
 
     def lookup_row_in_wikipedia(self) -> None:
         """
@@ -869,13 +863,7 @@ class Window(QMainWindow, Ui_MainWindow):
         if track_info is None:
             return
 
-        # Populate infotab in a thread as it's slow
-        QTimer.singleShot(
-            0,
-            lambda: self.tabInfolist.open_in_wikipedia(
-                track_info.title
-            ),
-        )
+        self.signals.search_wikipedia_signal.emit(track_info.title)
 
     def move_playlist_rows(
         self, session: scoped_session, playlistrows: Sequence[PlaylistRows]

app/playlistmodel.py

@@ -940,6 +940,7 @@ class PlaylistModel(QAbstractTableModel):
                     return
                 track_sequence.next.set_plr(session, plr)
                 self.signals.next_track_changed_signal.emit()
+                self.signals.search_wikipedia_signal.emit(self.playlist_rows[row_number].title)
                 self.invalidate_row(row_number)
         self.update_track_times()