Clean up editing

No need to disable (and re-enable) play controls.

Fixes #191

app/musicmuster.py

@@ -1222,12 +1222,6 @@ class Window(QMainWindow, Ui_MainWindow):
         self.txtSearch.setText("")
         self.txtSearch.setHidden(True)
 
-    def search_playlist_return(self) -> None:
-        """Initiate search when return pressed"""
-
-        self.active_tab().set_search(self.txtSearch.text())
-        self.enable_play_next_controls()
-
     def search_playlist_text_changed(self) -> None:
         """
         Incremental search of playlist

app/playlists.py

@@ -212,8 +212,6 @@ class PlaylistTab(QTableView):
         Override closeEditor to enable play controls and update display.
         """
 
-        self.musicmuster.enable_play_next_controls()
-        self.musicmuster.actionSetNext.setEnabled(True)
         self.musicmuster.action_Clear_selection.setEnabled(True)
 
         super(PlaylistTab, self).closeEditor(editor, hint)
@@ -255,33 +253,6 @@ class PlaylistTab(QTableView):
 
             event.accept()
 
-    @overload
-    def edit(self, index: QModelIndex) -> None:
-        ...
-
-    @overload
-    def edit(
-        self,
-        index: QModelIndex,
-        trigger: QAbstractItemView.EditTrigger,
-        event: Optional[QEvent]
-    ) -> bool:
-        ...
-
-    def edit(self, index, trigger, event):
-        """
-        Override QAbstractItemView.edit to catch when editing starts
-
-        Editing only ever starts with a double click on a cell
-        """
-
-        # 'result' will only be true on double-click
-        result = super().edit(index, trigger, event)
-        if result:
-            self.musicmuster.disable_play_next_controls()
-
-        return result
-
     def mouseReleaseEvent(self, event):
         """
         Enable dragging if rows are selected
@@ -460,6 +431,11 @@ class PlaylistTab(QTableView):
         """Unselect all tracks and reset drag mode"""
 
         self.clearSelection()
+        # We want to remove the focus from any widget otherwise keyboard
+        # activity may edit a cell.
+        fw = self.musicmuster.focusWidget()
+        if fw:
+            fw.clearFocus()
         self.setDragEnabled(False)
 
     def _column_resize(self, column_number: int, _old: int, _new: int) -> None: