Select highlight in panel when it is selected in text

src/calibre/gui2/viewer/highlights.py

@@ -161,6 +161,15 @@ class Highlights(QListWidget):
                 return True
         return False
 
+    def find_annot_id(self, annot_id):
+        for i in range(self.count()):
+            item = self.item(i)
+            h = item.data(Qt.UserRole)
+            if h.get('uuid') == annot_id:
+                self.set_current_row(i)
+                return True
+        return False
+
     def set_current_row(self, row):
         self.setCurrentRow(row, QItemSelectionModel.ClearAndSelect)
 
@@ -363,3 +372,7 @@ class HighlightsPanel(QWidget):
         if not hl:
             return error_dialog(self, _('No highlights'), _('This book has no highlights to export'), show=True)
         Export(hl, self).exec_()
+
+    def selected_text_changed(self, text, annot_id):
+        if annot_id:
+            self.highlights.find_annot_id(annot_id)

src/calibre/gui2/viewer/lookup.py

@@ -337,6 +337,6 @@ class Lookup(QWidget):
         self.view.load(QUrl(url))
         self.current_query = query
 
-    def selected_text_changed(self, text):
+    def selected_text_changed(self, text, annot_id):
         self.selected_text = text or ''
         self.debounce_timer.start()

src/calibre/gui2/viewer/ui.py

@@ -175,6 +175,7 @@ class EbookViewer(MainWindow):
         self.web_view.toggle_full_screen.connect(self.toggle_full_screen)
         self.web_view.ask_for_open.connect(self.ask_for_open, type=Qt.QueuedConnection)
         self.web_view.selection_changed.connect(self.lookup_widget.selected_text_changed, type=Qt.QueuedConnection)
+        self.web_view.selection_changed.connect(self.highlights_widget.selected_text_changed, type=Qt.QueuedConnection)
         self.web_view.view_image.connect(self.view_image, type=Qt.QueuedConnection)
         self.web_view.copy_image.connect(self.copy_image, type=Qt.QueuedConnection)
         self.web_view.show_loading_message.connect(self.show_loading_message)

src/calibre/gui2/viewer/web_view.py

@@ -249,7 +249,7 @@ class ViewerBridge(Bridge):
     toggle_full_screen = from_js()
     report_cfi = from_js(object, object)
     ask_for_open = from_js(object)
-    selection_changed = from_js(object)
+    selection_changed = from_js(object, object)
     autoscroll_state_changed = from_js(object)
     copy_selection = from_js(object)
     view_image = from_js(object)
@@ -443,7 +443,7 @@ class WebView(RestartingWebEngineView):
     update_current_toc_nodes = pyqtSignal(object, object)
     toggle_full_screen = pyqtSignal()
     ask_for_open = pyqtSignal(object)
-    selection_changed = pyqtSignal(object)
+    selection_changed = pyqtSignal(object, object)
     autoscroll_state_changed = pyqtSignal(object)
     view_image = pyqtSignal(object)
     copy_image = pyqtSignal(object)

src/pyj/read_book/view.pyj

@@ -541,7 +541,7 @@ class View:
             'selection_change_caused_by_search': data.selection_change_caused_by_search
         }
         if ui_operations.selection_changed:
-            ui_operations.selection_changed(self.currently_showing.selection.text)
+            ui_operations.selection_changed(self.currently_showing.selection.text, self.currently_showing.selection.annot_id)
         self.selection_bar.update_position()
 
     def update_selection_position(self, data):

src/pyj/viewer-main.pyj

@@ -351,8 +351,8 @@ if window is window.top:
         to_python.quit()
     ui_operations.toggle_lookup = def(force_show):
         to_python.toggle_lookup(v'!!force_show')
-    ui_operations.selection_changed = def(selected_text):
-        to_python.selection_changed(selected_text)
+    ui_operations.selection_changed = def(selected_text, annot_id):
+        to_python.selection_changed(selected_text, annot_id or None)
     ui_operations.update_current_toc_nodes = def(current_node_id, top_level_node_id):
         to_python.update_current_toc_nodes(current_node_id, top_level_node_id)
     ui_operations.toggle_full_screen = def():