Viewer: Add option to hide mouse-over tooltips

src/pyj/read_book/prefs/misc.pyj

@@ -8,6 +8,7 @@ from gettext import gettext as _
 from book_list.globals import get_session_data
 from dom import unique_id
 from widgets import create_button
+from session import defaults
 
 CONTAINER = unique_id('standalone-misc-settings')
 DEFAULTS = {
@@ -21,6 +22,7 @@ def restore_defaults():
     container = get_container()
     for q in Object.keys(DEFAULTS):
         container.querySelector(f'[name={q}]').checked = DEFAULTS[q]
+    container.querySelector(f'[name=hide_tooltips]').checked = defaults.hide_tooltips
 
 
 def get_container():
@@ -32,6 +34,7 @@ def create_misc_panel(container):
     container = container.lastChild
     sd = get_session_data()
     settings = sd.get('standalone_misc_settings')
+    settings.hide_tooltips = sd.get('hide_tooltips')
 
     def cb(name, text):
         ans = E.input(type='checkbox', name=name)
@@ -41,6 +44,7 @@ def create_misc_panel(container):
     container.append(cb('remember_window_geometry', _('Remember last used window size and position')))
     container.append(cb('remember_last_read', _('Remember current page when quitting')))
     container.append(cb('save_annotations_in_ebook', _('Keep a copy of annotations/bookmarks in the e-book file, for easy sharing')))
+    container.append(cb('hide_tooltips', _('Hide mouse-over tooltips in the book text')))
 
     container.appendChild(E.div(
         style='margin-top: 1rem', create_button(_('Restore defaults'), action=restore_defaults)
@@ -59,3 +63,6 @@ def commit_misc(onchange):
         if val is not DEFAULTS[q]:
             vals[q] = val
     sd.set('standalone_misc_settings', vals)
+    hide_tooltips = container.querySelector(f'[name=hide_tooltips]').checked
+    sd.set('hide_tooltips', None if hide_tooltips is defaults.hide_tooltips else hide_tooltips)
+    onchange()

src/pyj/read_book/resources.pyj

@@ -6,7 +6,8 @@ from elementmaker import E
 from encodings import base64decode, utf8_decode
 
 from dom import clear, remove_all_attributes
-from read_book.globals import ui_operations, runtime
+from read_book.globals import runtime, ui_operations
+from read_book.settings import opts
 
 JSON_XHTML_MIMETYPE = 'application/calibre+xhtml+json'
 
@@ -168,6 +169,7 @@ js_types = {k: True for k in 'text/javascript text/ecmascript application/javasc
 resource_tag_names = {'script':'src', 'link':'href', 'img':'src', 'image':'xlink:href'}
 ns_rmap = {'http://www.w3.org/2000/svg':'svg', 'http://www.w3.org/1999/xlink':'xlink', 'http://www.w3.org/1998/Math/MathML':'math', 'http://www.w3.org/XML/1998/namespace': 'xml'}
 ns_count = 0
+hide_tooltips = False
 
 def get_prefix(ns):
     nonlocal ns_count
@@ -186,6 +188,8 @@ def apply_attributes(src, elem, ns_map):
             ns = ns_map[a[2]]
             elem.setAttributeNS(ns, get_prefix(ns) + a[0], a[1])
         else:
+            if hide_tooltips and (a[0] is 'title' or a[0] is 'alt'):
+                continue
             elem.setAttribute(a[0], a[1])
 
 def process_stack(stack, tag_map, ns_map, load_required, onload, resource_urls):
@@ -225,6 +229,7 @@ def process_stack(stack, tag_map, ns_map, load_required, onload, resource_urls):
             stack.push(v'[node[i], elem]')
 
 def unserialize_html(serialized_data, proceed, postprocess_dom):
+    nonlocal hide_tooltips
     tag_map = serialized_data.tag_map
     tree = serialized_data.tree
     ns_map = serialized_data.ns_map
@@ -243,6 +248,7 @@ def unserialize_html(serialized_data, proceed, postprocess_dom):
     load_required = set()
     proceeded = False
     hang_timeout = 5
+    hide_tooltips = opts.hide_tooltips
 
     def hangcheck():
         nonlocal proceeded

src/pyj/read_book/settings.pyj

@@ -15,6 +15,7 @@ def update_settings(settings):
     opts.color_scheme = settings.color_scheme
     opts.base_font_size = max(8, min(settings.base_font_size or 16, 64))
     opts.user_stylesheet = settings.user_stylesheet or ''
+    opts.hide_tooltips = settings.hide_tooltips or False
 
 update_settings()
 

src/pyj/read_book/view.pyj

@@ -531,6 +531,7 @@ class View:
             'base_font_size': sd.get('base_font_size'),
             'user_stylesheet': sd.get('user_stylesheet'),
             'keyboard_shortcuts': sd.get('keyboard_shortcuts'),
+            'hide_tooltips': sd.get('hide_tooltips'),
         }
 
     def show_name(self, name, initial_position=None):

src/pyj/session.pyj

@@ -40,6 +40,7 @@ defaults = {
     'header': {},
     'footer': {'right': 'progress'},
     'word_actions': v'[]',
+    'hide_tooltips': False,
     'keyboard_shortcuts': {},
     'standalone_font_settings': {},
     'standalone_misc_settings': {},