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|
# Copyright (C) 2003-2014 Yann Leboulanger <asterix AT lagaule.org>
# Copyright (C) 2005-2007 Nikos Kouremenos <kourem AT gmail.com>
# Copyright (C) 2006 Dimitur Kirov <dkirov AT gmail.com>
# Copyright (C) 2008-2009 Julien Pivotto <roidelapluie AT gmail.com>
#
# This file is part of Gajim.
#
# Gajim is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published
# by the Free Software Foundation; version 3 only.
#
# Gajim is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Gajim. If not, see <http://www.gnu.org/licenses/>.
from __future__ import annotations
from typing import Any
import logging
from collections import defaultdict
from gi.repository import Gdk
from gi.repository import GLib
from gi.repository import Gtk
from gi.repository import Pango
from gajim.common import app
from gajim.common import ged
from gajim.common.events import MessageSent
from gajim.common.ged import EventHelper
from gajim.common.i18n import _
from gajim.common.i18n import get_default_lang
from gajim.common.styling import PlainBlock
from gajim.common.styling import process
from gajim.common.types import ChatContactT
from gajim.gtk.chat_action_processor import ChatActionProcessor
from gajim.gtk.const import MAX_MESSAGE_LENGTH
from gajim.gtk.util import scroll_to_end
if app.is_installed('GSPELL'):
from gi.repository import Gspell # pylint: disable=ungrouped-imports
UNDO_LIMIT: int = 20
FORMAT_CHARS: dict[str, str] = {
'bold': '*',
'italic': '_',
'strike': '~',
'pre': '`',
}
log = logging.getLogger('gajim.gtk.message_input')
class MessageInputTextView(Gtk.TextView, EventHelper):
'''
A Gtk.Textview for chat message input
'''
def __init__(self) -> None:
Gtk.TextView.__init__(self)
EventHelper.__init__(self)
self.set_border_width(3)
self.set_accepts_tab(True)
self.set_editable(True)
self.set_cursor_visible(True)
self.set_wrap_mode(Gtk.WrapMode.WORD_CHAR)
self.set_left_margin(2)
self.set_right_margin(2)
self.set_pixels_above_lines(2)
self.set_pixels_below_lines(2)
self.get_style_context().add_class('gajim-conversation-text')
self.drag_dest_unset()
self._undo_list: list[str] = []
self.undo_pressed: bool = False
self._contact: ChatContactT | None = None
# XEP-0308 Message Correction
self._correcting: dict[ChatContactT, bool] = defaultdict(lambda: False)
self._last_message_id: dict[ChatContactT, str | None] = {}
self._chat_action_processor = ChatActionProcessor(self)
self.get_buffer().create_tag('strong', weight=Pango.Weight.BOLD)
self.get_buffer().create_tag('emphasis', style=Pango.Style.ITALIC)
self.get_buffer().create_tag('strike', strikethrough=True)
self.get_buffer().create_tag('pre', family='monospace')
self.get_buffer().connect('changed', self._on_text_changed)
self.connect_after('paste-clipboard', self._after_paste_clipboard)
self.connect('focus-in-event', self._on_focus_in)
self.connect('focus-out-event', self._on_focus_out)
self.connect('destroy', self._on_destroy)
self.connect('populate-popup', self._on_populate_popup)
self.register_events([
('message-sent', ged.GUI2, self._on_message_sent)
])
self._language_handler_id = self._init_spell_checker()
app.settings.connect_signal('use_speller', self._on_toggle_spell_check)
app.plugin_manager.gui_extension_point('message_input', self)
@property
def is_correcting(self) -> bool:
if self._contact is None:
return False
return self._correcting[self._contact]
def get_last_message_id(self, contact: ChatContactT) -> str | None:
return self._last_message_id.get(contact)
def toggle_message_correction(self) -> None:
self.clear()
self.grab_focus()
if self.is_correcting:
self._set_correcting(False)
self.get_style_context().remove_class('gajim-msg-correcting')
return
assert self._contact is not None
last_message_id = self._last_message_id.get(self._contact)
if last_message_id is None:
return
message_row = app.storage.archive.get_last_correctable_message(
self._contact.account, self._contact.jid, last_message_id)
if message_row is None or message_row.message is None:
return
self._set_correcting(True)
self.get_style_context().add_class('gajim-msg-correcting')
self.insert_text(message_row.message)
def try_message_correction(self, message: str) -> str | None:
assert self._contact is not None
if not self.is_correcting:
return None
self.toggle_message_correction()
correct_id = self._last_message_id.get(self._contact)
message_row = app.storage.archive.get_last_correctable_message(
self._contact.account, self._contact.jid, correct_id)
if message_row is None:
log.info('Trying to correct message older than threshold')
return None
if message_row.message == message:
log.info('Trying to correct message with original text')
return None
return correct_id
def _set_correcting(self, state: bool) -> None:
assert self._contact is not None
self._correcting[self._contact] = state
def _on_message_sent(self, event: MessageSent) -> None:
if not event.message:
return
if event.correct_id is None:
# This wasn't a corrected message
assert self._contact is not None
oob_url = event.additional_data.get_value('gajim', 'oob_url')
if oob_url == event.message:
# Don't allow to correct HTTP Upload file transfer URLs
self._last_message_id[self._contact] = None
else:
self._last_message_id[self._contact] = event.message_id
def _init_spell_checker(self) -> int:
if not app.is_installed('GSPELL'):
return 0
checker = Gspell.Checker.new(Gspell.language_get_default())
buffer = Gspell.TextBuffer.get_from_gtk_text_buffer(self.get_buffer())
buffer.set_spell_checker(checker)
view = Gspell.TextView.get_from_gtk_text_view(self)
view.set_enable_language_menu(True)
self._on_toggle_spell_check()
return checker.connect('notify::language', self._on_language_changed)
def _set_spell_checker_language(self, contact: ChatContactT) -> None:
if not app.is_installed('GSPELL'):
return
buffer = Gspell.TextBuffer.get_from_gtk_text_buffer(self.get_buffer())
checker = buffer.get_spell_checker()
assert checker is not None
lang = self._get_spell_checker_language(contact)
with checker.handler_block(self._language_handler_id):
checker.set_language(lang)
def _get_spell_checker_language(self,
contact: ChatContactT
) -> Gspell.Language | None:
lang = contact.settings.get('speller_language')
if not lang:
# use the default one
lang = app.settings.get('speller_language')
if not lang:
lang = get_default_lang()
assert isinstance(lang, str)
lang = Gspell.language_lookup(lang)
if lang is None:
return Gspell.language_get_default()
return lang
def _on_language_changed(self,
checker: Gspell.Checker,
_param: Any) -> None:
gspell_lang = checker.get_language()
if gspell_lang is not None:
assert self._contact is not None
self._contact.settings.set('speller_language',
gspell_lang.get_code())
def switch_contact(self, contact: ChatContactT) -> None:
if self._contact is not None:
app.storage.drafts.set(self._contact, self.get_text())
self.clear()
draft = app.storage.drafts.get(contact)
if draft is not None:
self.insert_text(draft)
self._contact = contact
if self.is_correcting:
self.get_style_context().add_class('gajim-msg-correcting')
else:
self.get_style_context().remove_class('gajim-msg-correcting')
self._chat_action_processor.switch_contact(contact)
self._set_spell_checker_language(contact)
def _on_destroy(self, _widget: Gtk.Widget) -> None:
# We restore the TextView’s drag destination to avoid a GTK warning
# when closing the control. BaseControl.shutdown() calls destroy()
# on the control’s main box, causing GTK to recursively destroy the
# child widgets. GTK then tries to set a target list on the TextView,
# resulting in a warning because the Widget has no drag destination.
self.drag_dest_set(
Gtk.DestDefaults.ALL,
None,
Gdk.DragAction.DEFAULT)
self._chat_action_processor.destroy()
app.check_finalize(self)
def _on_focus_in(self,
_widget: Gtk.Widget,
_event: Gdk.EventFocus
) -> bool:
scrolled = self.get_parent()
assert scrolled
scrolled.get_style_context().add_class('message-input-focus')
return False
def _on_focus_out(self,
_widget: Gtk.Widget,
_event: Gdk.EventFocus
) -> bool:
scrolled = self.get_parent()
assert scrolled
scrolled.get_style_context().remove_class('message-input-focus')
return False
def _clear_tags(self) -> None:
to_remove: list[Gtk.TextTag] = []
def _check(tag: Gtk.TextTag) -> None:
if tag.get_property('underline-rgba-set') is True:
# Don’t remove spell checking underlines
return
to_remove.append(tag)
buf = self.get_buffer()
start, end = buf.get_bounds()
tag_table = buf.get_tag_table()
tag_table.foreach(_check)
for tag in to_remove:
buf.remove_tag(tag, start, end)
def _on_text_changed(self, buf: Gtk.TextBuffer) -> None:
text = self.get_text()
if not text:
return
self._clear_tags()
if len(text) > MAX_MESSAGE_LENGTH:
# Limit message styling processing
return
result = process(text)
for block in result.blocks:
if isinstance(block, PlainBlock):
for span in block.spans:
start_iter = buf.get_iter_at_offset(
span.start + block.start)
end_iter = buf.get_iter_at_offset(
span.end + block.start)
buf.apply_tag_by_name(span.name, start_iter, end_iter)
def insert_text(self, text: str) -> None:
self.get_buffer().insert_at_cursor(text)
def insert_newline(self) -> None:
buf = self.get_buffer()
buf.insert_at_cursor('\n')
mark = buf.get_insert()
iter_ = buf.get_iter_at_mark(mark)
if buf.get_end_iter().equal(iter_):
GLib.idle_add(scroll_to_end, self.get_parent())
@property
def has_text(self) -> bool:
buf = self.get_buffer()
start, end = buf.get_bounds()
text = buf.get_text(start, end, True)
return text != ''
def get_text(self) -> str:
buf = self.get_buffer()
start, end = buf.get_bounds()
return self.get_buffer().get_text(start, end, True)
def _on_toggle_spell_check(self, *args: Any) -> None:
if not app.is_installed('GSPELL'):
return
use_spell_check = app.settings.get('use_speller')
spell_view = Gspell.TextView.get_from_gtk_text_view(self)
spell_view.set_inline_spell_checking(use_spell_check)
@staticmethod
def _after_paste_clipboard(textview: Gtk.TextView) -> None:
buf = textview.get_buffer()
mark = buf.get_insert()
iter_ = buf.get_iter_at_mark(mark)
if iter_.get_offset() == buf.get_end_iter().get_offset():
GLib.idle_add(scroll_to_end, textview.get_parent())
def _get_active_iters(self) -> tuple[Gtk.TextIter, Gtk.TextIter]:
buf = self.get_buffer()
return_val = buf.get_selection_bounds()
if return_val: # if something is selected
start, end = return_val[0], return_val[1]
else:
start, end = buf.get_bounds()
return (start, end)
def apply_formatting(self, formatting: str) -> None:
format_char = FORMAT_CHARS[formatting]
buf = self.get_buffer()
start, end = self._get_active_iters()
start_offset = start.get_offset()
end_offset = end.get_offset()
text = buf.get_text(start, end, True)
if text.startswith(format_char) and text.endswith(format_char):
# (Selected) text begins and ends with formatting chars
# -> remove them
buf.delete(
start,
buf.get_iter_at_offset(start_offset + 1))
buf.delete(
buf.get_iter_at_offset(end_offset - 2),
buf.get_iter_at_offset(end_offset - 1))
return
ext_start = buf.get_iter_at_offset(start_offset - 1)
ext_end = buf.get_iter_at_offset(end_offset + 1)
ext_text = buf.get_text(ext_start, ext_end, True)
if ext_text.startswith(format_char) and ext_text.endswith(format_char):
# (Selected) text is surrounded by formatting chars -> remove them
buf.delete(
ext_start,
buf.get_iter_at_offset(start_offset))
buf.delete(
buf.get_iter_at_offset(end_offset - 1),
buf.get_iter_at_offset(end_offset))
return
# No formatting chars found at start/end or surrounding -> add them
buf.insert(start, format_char, -1)
buf.insert(
buf.get_iter_at_offset(end_offset + 1),
format_char,
-1)
buf.select_range(
buf.get_iter_at_offset(start_offset),
buf.get_iter_at_offset(end_offset + 2))
def clear(self, *args: Any) -> None:
buf = self.get_buffer()
start, end = buf.get_bounds()
buf.delete(start, end)
self._undo_list.clear()
def save_undo(self, text: str) -> None:
self._undo_list.append(text)
if len(self._undo_list) > UNDO_LIMIT:
del self._undo_list[0]
self.undo_pressed = False
def undo(self, *args: Any) -> None:
buf = self.get_buffer()
if self._undo_list:
buf.set_text(self._undo_list.pop())
self.undo_pressed = True
def _on_populate_popup(self,
_textview: MessageInputTextView,
menu: Gtk.Widget
) -> None:
assert isinstance(menu, Gtk.Menu)
item = Gtk.MenuItem.new_with_mnemonic(_('_Undo'))
menu.prepend(item)
item.connect('activate', self.undo)
item = Gtk.SeparatorMenuItem()
menu.prepend(item)
item = Gtk.MenuItem.new_with_mnemonic(_('_Clear'))
menu.prepend(item)
item.connect('activate', self.clear)
paste_code_block_item = Gtk.MenuItem.new_with_label(
_('Paste as Code Block'))
paste_code_block_item.connect(
'activate', self._paste_clipboard_as_code_block)
menu.append(paste_code_block_item)
paste_item = Gtk.MenuItem.new_with_label(_('Paste as Quote'))
paste_item.connect('activate', self._paste_clipboard_as_quote)
menu.append(paste_item)
menu.show_all()
def mention_participant(self, name: str) -> None:
gc_refer_to_nick_char = app.settings.get('gc_refer_to_nick_char')
text = f'{name}{gc_refer_to_nick_char} '
self.insert_text(text)
self.grab_focus()
def insert_as_quote(self, text: str) -> None:
text = '> ' + text.replace('\n', '\n> ') + '\n'
self.insert_text(text)
self.grab_focus()
def insert_as_code_block(self, text: str) -> None:
self.insert_text(f'```\n{text}\n```')
self.grab_focus()
def _paste_clipboard_as_quote(self, _item: Gtk.MenuItem) -> None:
clipboard = Gtk.Clipboard.get(Gdk.SELECTION_CLIPBOARD)
text = clipboard.wait_for_text()
if text is None:
return
self.insert_as_quote(text)
def _paste_clipboard_as_code_block(self, _item: Gtk.MenuItem) -> None:
clipboard = Gtk.Clipboard.get(Gdk.SELECTION_CLIPBOARD)
text = clipboard.wait_for_text()
if text is None:
return
self.insert_as_code_block(text)
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