Start work on notes browser

src/calibre/gui2/__init__.py

@@ -391,6 +391,7 @@ def create_defs():
     defs['browse_annots_restrict_to_user'] = None
     defs['browse_annots_restrict_to_type'] = None
     defs['browse_annots_use_stemmer'] = True
+    defs['browse_notes_use_stemmer'] = True
     defs['fts_library_use_stemmer'] = True
     defs['fts_library_restrict_books'] = False
     defs['annots_export_format'] = 'txt'

src/calibre/gui2/dialogs/edit_category_notes.py

@@ -292,7 +292,7 @@ class EditNoteDialog(Dialog):
         self.field, self.item_id = field, item_id
         self.item_val = self.db.get_item_name(field, item_id)
         super().__init__(_('Edit notes for {}').format(self.item_val), 'edit-notes-for-category', parent=parent)
-        self.setWindowIcon(QIcon.ic('edit_input.png'))
+        self.setWindowIcon(QIcon.ic('notes.png'))
 
     def setup_ui(self):
         self.l = l = QVBoxLayout(self)

src/calibre/gui2/dialogs/show_category_note.py

@@ -49,7 +49,7 @@ class ShowNoteDialog(Dialog):
                 self.extra_link, self.extra_link_tooltip = render_author_link(lk, self.item_val)
         self.field, self.item_id = field, item_id
         super().__init__(self.item_val, 'show-notes-for-category', parent=parent)
-        self.setWindowIcon(QIcon.ic('tag.png'))
+        self.setWindowIcon(QIcon.ic('notes.png'))
         self.refresh()
 
     def refresh(self):

src/calibre/gui2/library/notes.py

@@ -0,0 +1,108 @@
+#!/usr/bin/env python
+# License: GPLv3 Copyright: 2023, Kovid Goyal <kovid at kovidgoyal.net>
+
+import os
+from qt.core import (
+    QCheckBox, QDialogButtonBox, QHBoxLayout, QIcon, QSize, Qt, QToolButton,
+    QVBoxLayout, QWidget, pyqtSignal,
+)
+
+from calibre.gui2 import Application, gprefs
+from calibre.gui2.viewer.widgets import SearchBox
+from calibre.gui2.widgets2 import Dialog
+
+
+def current_db():
+    from calibre.gui2.ui import get_gui
+    return (getattr(current_db, 'ans', None) or get_gui().current_db).new_api
+
+
+class RestrictFields(QWidget):
+    pass
+
+
+class SearchInput(QWidget):
+
+    cleared_signal = pyqtSignal()
+    show_next_signal = pyqtSignal()
+    show_previous_signal = pyqtSignal()
+
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.l = l = QVBoxLayout(self)
+        l.setContentsMargins(0, 0, 0, 0)
+        h = QHBoxLayout()
+        l.addLayout(h)
+        self.search_box = sb = SearchBox(self)
+        sb.initialize('library-notes-browser-search-box')
+        sb.cleared.connect(self.cleared, type=Qt.ConnectionType.QueuedConnection)
+        sb.lineEdit().returnPressed.connect(self.show_next)
+        sb.lineEdit().setPlaceholderText(_('Enter words to search for'))
+        h.addWidget(sb)
+
+        self.next_button = nb = QToolButton(self)
+        h.addWidget(nb)
+        nb.setFocusPolicy(Qt.FocusPolicy.NoFocus)
+        nb.setIcon(QIcon.ic('arrow-down.png'))
+        nb.clicked.connect(self.show_next)
+        nb.setToolTip(_('Find next match'))
+
+        self.prev_button = nb = QToolButton(self)
+        h.addWidget(nb)
+        nb.setFocusPolicy(Qt.FocusPolicy.NoFocus)
+        nb.setIcon(QIcon.ic('arrow-up.png'))
+        nb.clicked.connect(self.show_previous)
+        nb.setToolTip(_('Find previous match'))
+
+    @property
+    def current_query(self):
+        return {
+            'query': self.search_box.lineEdit().text().strip(),
+        }
+
+    def cleared(self):
+        raise NotImplementedError('TODO: Implement me')
+
+    def show_next(self):
+        raise NotImplementedError('TODO: Implement me')
+
+    def show_previous(self):
+        raise NotImplementedError('TODO: Implement me')
+
+
+class NotesBrowser(Dialog):
+
+    def __init__(self, parent=None):
+        super().__init__(_('Browse notes'), 'browse-notes-dialog', default_buttons=QDialogButtonBox.StandardButton.Close)
+        self.setWindowIcon(QIcon.ic('notes.png'))
+
+    def sizeHint(self):
+        return QSize(900, 600)
+
+    def setup_ui(self):
+        self.l = l = QVBoxLayout(self)
+
+        self.search_input = si = SearchInput(self)
+        l.addWidget(si)
+
+        self.use_stemmer = us = QCheckBox(_('&Match on related words'))
+        us.setChecked(gprefs['browse_notes_use_stemmer'])
+        us.setToolTip('<p>' + _(
+            'With this option searching for words will also match on any related words (supported in several languages). For'
+            ' example, in the English language: <i>correction</i> matches <i>correcting</i> and <i>corrected</i> as well'))
+        us.stateChanged.connect(lambda state: gprefs.set('browse_notes_use_stemmer', state != Qt.CheckState.Unchecked.value))
+
+        h = QHBoxLayout()
+        l.addLayout(h)
+        h.addWidget(us), h.addStretch(10), h.addWidget(self.bb)
+
+
+
+if __name__ == '__main__':
+    from calibre.library import db
+    app = Application([])
+    current_db.ans = db(os.path.expanduser('~/test library'))
+    br = NotesBrowser()
+    br.exec()
+    del br
+    del app