Prevent various navigation actions in the viewer when read aloud is active

src/calibre/gui2/viewer/__init__.py

@@ -14,6 +14,12 @@ def get_current_book_data(set_val=False):
     return getattr(get_current_book_data, 'ans', {})
 
 
+def get_boss(set_val=False):
+    if set_val:
+        get_boss.ans = set_val
+    return get_boss.ans
+
+
 def link_prefix_for_location_links(add_open_at=True):
     cbd = get_current_book_data()
     link_prefix = library_id = None

src/calibre/gui2/viewer/highlights.py

@@ -23,7 +23,7 @@ from calibre.gui2.gestures import GestureManager
 from calibre.gui2.library.annotations import (
     ChapterGroup, Details, Export as ExportBase, render_notes,
 )
-from calibre.gui2.viewer import link_prefix_for_location_links
+from calibre.gui2.viewer import get_boss, link_prefix_for_location_links
 from calibre.gui2.viewer.config import vprefs
 from calibre.gui2.viewer.search import SearchInput
 from calibre.gui2.viewer.shortcuts import get_shortcut_for, index_to_key_sequence
@@ -453,7 +453,6 @@ class NotesDisplay(Details):
 
 class HighlightsPanel(QWidget):
 
-    jump_to_cfi = pyqtSignal(object)
     request_highlight_action = pyqtSignal(object, object)
     web_action = pyqtSignal(object, object)
     toggle_requested = pyqtSignal()
@@ -531,6 +530,9 @@ class HighlightsPanel(QWidget):
         self.highlights.setFocus(Qt.FocusReason.OtherFocusReason)
 
     def jump_to_highlight(self, highlight):
+        boss = get_boss()
+        if boss.check_for_read_aloud(_('highlight location')):
+            return
         self.request_highlight_action.emit(highlight['uuid'], 'goto')
 
     def current_highlight_changed(self, highlight):
@@ -545,6 +547,9 @@ class HighlightsPanel(QWidget):
             'No highlight is currently selected'), show=True)
 
     def edit_highlight(self):
+        boss = get_boss()
+        if boss.check_for_read_aloud(_('highlight location')):
+            return
         h = self.highlights.current_highlight
         if h is None:
             return self.no_selected_highlight()

src/calibre/gui2/viewer/search.py

@@ -15,6 +15,7 @@ from calibre.ebooks.conversion.search_replace import REGEX_FLAGS
 from calibre.gui2 import warning_dialog
 from calibre.gui2.gestures import GestureManager
 from calibre.gui2.progress_indicator import ProgressIndicator
+from calibre.gui2.viewer import get_boss
 from calibre.gui2.viewer.config import vprefs
 from calibre.gui2.viewer.web_view import get_data, get_manifest
 from calibre.gui2.viewer.widgets import ResultsDelegate, SearchBox
@@ -505,6 +506,9 @@ class SearchInput(QWidget):  # {{{
             )
 
     def emit_search(self, backwards=False):
+        boss = get_boss()
+        if boss.check_for_read_aloud(_('search result location')):
+            return
         vprefs[f'viewer-{self.panel_name}-case-sensitive'] = self.case_sensitive.isChecked()
         vprefs[f'viewer-{self.panel_name}-mode'] = self.query_type.currentData()
         sq = self.search_query(backwards)
@@ -632,6 +636,9 @@ class Results(QTreeWidget):  # {{{
         self.count_changed.emit(n)
 
     def item_activated(self):
+        boss = get_boss()
+        if boss.check_for_read_aloud(_('search result location')):
+            return
         i = self.currentItem()
         if i:
             sr = i.data(0, SEARCH_RESULT_ROLE)

src/calibre/gui2/viewer/ui.py

@@ -25,7 +25,7 @@ from calibre.gui2 import (
 from calibre.gui2.dialogs.drm_error import DRMErrorMessage
 from calibre.gui2.image_popup import ImagePopup
 from calibre.gui2.main_window import MainWindow
-from calibre.gui2.viewer import get_current_book_data, performance_monitor
+from calibre.gui2.viewer import get_boss, get_current_book_data, performance_monitor
 from calibre.gui2.viewer.annotations import (
     AnnotationsSaveWorker, annotations_dir, parse_annotations,
 )
@@ -90,6 +90,7 @@ class EbookViewer(MainWindow):
 
     def __init__(self, open_at=None, continue_reading=None, force_reload=False, calibre_book_data=None):
         MainWindow.__init__(self, None)
+        get_boss(self)
         self.annotations_saver = None
         self.calibre_book_data_for_first_book = calibre_book_data
         self.shutting_down = self.close_forced = self.shutdown_done = False
@@ -171,7 +172,7 @@ class EbookViewer(MainWindow):
         self.web_view.toggle_toc.connect(self.toggle_toc)
         self.web_view.show_search.connect(self.show_search)
         self.web_view.find_next.connect(self.search_widget.find_next_requested)
-        self.search_widget.show_search_result.connect(self.web_view.show_search_result)
+        self.search_widget.show_search_result.connect(self.show_search_result)
         self.web_view.search_result_not_found.connect(self.search_widget.search_result_not_found)
         self.web_view.search_result_discovered.connect(self.search_widget.search_result_discovered)
         self.web_view.toggle_bookmarks.connect(self.toggle_bookmarks)
@@ -314,6 +315,9 @@ class EbookViewer(MainWindow):
         if not is_visible:
             self.toc.scroll_to_current_toc_node()
 
+    def show_search_result(self, sr):
+        self.web_view.show_search_result(sr)
+
     def show_search(self, text, trigger=False, search_type=None, case_sensitive=None):
         self.search_dock.setVisible(True)
         self.search_dock.activateWindow()
@@ -364,7 +368,16 @@ class EbookViewer(MainWindow):
         if force_show and self.lookup_dock.isVisible():
             self.lookup_widget.on_forced_show()
 
+    def check_for_read_aloud(self, where: str):
+        if self.actions_toolbar.toggle_read_aloud_action.isChecked():
+            error_dialog(self, _('Cannot jump to location'), _(
+                'The Read aloud feature is active, cannot jump to {}. Close it first.').format(where), show=True)
+            return True
+        return False
+
     def toc_clicked(self, index):
+        if self.check_for_read_aloud(_('Table of Contents locations')):
+            return
         item = self.toc_model.itemFromIndex(index)
         self.web_view.goto_toc_node(item.node_id)
         self.force_focus_on_web_view()
@@ -386,6 +399,8 @@ class EbookViewer(MainWindow):
         self.web_view.goto_cfi(cfi, add_to_history=add_to_history)
 
     def bookmark_activated(self, cfi):
+        if self.check_for_read_aloud(_('bookmark')):
+            return
         self.goto_cfi(cfi, add_to_history=True)
 
     def view_image(self, name):

src/pyj/read_book/read_aloud.pyj

@@ -29,6 +29,7 @@ def is_flow_mode():
 class ReadAloud:
 
     dont_hide_on_content_loaded = True
+    prevent_navigation = True
 
     def __init__(self, view):
         self.view = view

src/pyj/read_book/read_audio_ebook.pyj

@@ -37,6 +37,7 @@ def seconds_to_ms(seconds):
 class ReadAudioEbook:
 
     dont_hide_on_content_loaded = True
+    prevent_navigation = True
     CONTAINER_DISPLAY = 'flex'
 
     def __init__(self, view):

src/pyj/read_book/view.pyj

@@ -673,6 +673,13 @@ class View:
         self.content_popup_overlay.hide()
         self.focus_iframe()
 
+    @property
+    def overlay_prevents_navigation(self):
+        for x in self.modal_overlays:
+            if x.is_visible and x.prevent_navigation:
+                return True
+        return False
+
     def focus_iframe(self):
         for x in self.modal_overlays:
             if x.is_visible:
@@ -1159,6 +1166,8 @@ class View:
         return True
 
     def goto_toc_node(self, node_id):
+        if self.overlay_prevents_navigation:
+            return
         toc = self.book.manifest.toc
         found = False