qweechat/qweechat/buffer.py
2021-11-13 19:50:33 +01:00

249 lines
8.4 KiB
Python

# -*- coding: utf-8 -*-
#
# buffer.py - management of WeeChat buffers/nicklist
#
# Copyright (C) 2011-2021 Sébastien Helleu <flashcode@flashtux.org>
#
# This file is part of QWeeChat, a Qt remote GUI for WeeChat.
#
# QWeeChat 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; either version 3 of the License, or
# (at your option) any later version.
#
# QWeeChat 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 QWeeChat. If not, see <http://www.gnu.org/licenses/>.
#
"""Management of WeeChat buffers/nicklist."""
from pkg_resources import resource_filename
from PySide6 import QtCore, QtGui, QtWidgets
from qweechat.chat import ChatTextEdit
from qweechat.input import InputLineEdit
from qweechat.weechat import color
class GenericListWidget(QtWidgets.QListWidget):
"""Generic QListWidget with dynamic size."""
def __init__(self, *args):
super().__init__(*args)
self.setMaximumWidth(100)
self.setTextElideMode(QtCore.Qt.ElideNone)
self.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
self.setFocusPolicy(QtCore.Qt.NoFocus)
pal = self.palette()
pal.setColor(QtGui.QPalette.Highlight, QtGui.QColor('#ddddff'))
pal.setColor(QtGui.QPalette.HighlightedText, QtGui.QColor('black'))
self.setPalette(pal)
def auto_resize(self):
size = self.sizeHintForColumn(0)
if size > 0:
size += 4
self.setMaximumWidth(size)
def clear(self, *args):
"""Re-implement clear to set dynamic size after clear."""
QtWidgets.QListWidget.clear(*(self,) + args)
self.auto_resize()
def addItem(self, *args):
"""Re-implement addItem to set dynamic size after add."""
QtWidgets.QListWidget.addItem(*(self,) + args)
self.auto_resize()
def insertItem(self, *args):
"""Re-implement insertItem to set dynamic size after insert."""
QtWidgets.QListWidget.insertItem(*(self,) + args)
self.auto_resize()
class BufferListWidget(GenericListWidget):
"""Widget with list of buffers."""
def switch_prev_buffer(self):
if self.currentRow() > 0:
self.setCurrentRow(self.currentRow() - 1)
else:
self.setCurrentRow(self.count() - 1)
def switch_next_buffer(self):
if self.currentRow() < self.count() - 1:
self.setCurrentRow(self.currentRow() + 1)
else:
self.setCurrentRow(0)
class BufferWidget(QtWidgets.QWidget):
"""
Widget with (from top to bottom):
title, chat + nicklist (optional) + prompt/input.
"""
def __init__(self, display_nicklist=False):
super().__init__()
# title
self.title = QtWidgets.QLineEdit()
self.title.setFocusPolicy(QtCore.Qt.NoFocus)
# splitter with chat + nicklist
self.chat_nicklist = QtWidgets.QSplitter()
self.chat_nicklist.setSizePolicy(QtWidgets.QSizePolicy.Expanding,
QtWidgets.QSizePolicy.Expanding)
self.chat = ChatTextEdit(debug=False)
self.chat_nicklist.addWidget(self.chat)
self.nicklist = GenericListWidget()
if not display_nicklist:
self.nicklist.setVisible(False)
self.chat_nicklist.addWidget(self.nicklist)
# prompt + input
self.hbox_edit = QtWidgets.QHBoxLayout()
self.hbox_edit.setContentsMargins(0, 0, 0, 0)
self.hbox_edit.setSpacing(0)
self.input = InputLineEdit(self.chat)
self.hbox_edit.addWidget(self.input)
prompt_input = QtWidgets.QWidget()
prompt_input.setLayout(self.hbox_edit)
# vbox with title + chat/nicklist + prompt/input
vbox = QtWidgets.QVBoxLayout()
vbox.setContentsMargins(0, 0, 0, 0)
vbox.setSpacing(0)
vbox.addWidget(self.title)
vbox.addWidget(self.chat_nicklist)
vbox.addWidget(prompt_input)
self.setLayout(vbox)
def set_title(self, title):
"""Set buffer title."""
self.title.clear()
if title is not None:
self.title.setText(title)
def set_prompt(self, prompt):
"""Set prompt."""
if self.hbox_edit.count() > 1:
self.hbox_edit.takeAt(0)
if prompt is not None:
label = QtWidgets.QLabel(prompt)
label.setContentsMargins(0, 0, 5, 0)
self.hbox_edit.insertWidget(0, label)
class Buffer(QtCore.QObject):
"""A WeeChat buffer."""
bufferInput = QtCore.Signal(str, str)
def __init__(self, data=None):
QtCore.QObject.__init__(self)
self.data = data or {}
self.nicklist = {}
self.widget = BufferWidget(display_nicklist=self.data.get('nicklist',
0))
self.update_title()
self.update_prompt()
self.widget.input.textSent.connect(self.input_text_sent)
def pointer(self):
"""Return pointer on buffer."""
return self.data.get('__path', [''])[0]
def update_title(self):
"""Update title."""
try:
self.widget.set_title(
color.remove(self.data['title']))
except Exception: # noqa: E722
# TODO: Debug print the exception to be fixed.
# traceback.print_exc()
self.widget.set_title(None)
def update_prompt(self):
"""Update prompt."""
try:
self.widget.set_prompt(self.data['local_variables']['nick'])
except Exception: # noqa: E722
self.widget.set_prompt(None)
def input_text_sent(self, text):
"""Called when text has to be sent to buffer."""
if self.data:
self.bufferInput.emit(self.data['full_name'], text)
def nicklist_add_item(self, parent, group, prefix, name, visible):
"""Add a group/nick in nicklist."""
if group:
self.nicklist[name] = {
'visible': visible,
'nicks': []
}
else:
self.nicklist[parent]['nicks'].append({
'prefix': prefix,
'name': name,
'visible': visible,
})
def nicklist_remove_item(self, parent, group, name):
"""Remove a group/nick from nicklist."""
if group:
if name in self.nicklist:
del self.nicklist[name]
else:
if parent in self.nicklist:
self.nicklist[parent]['nicks'] = [
nick for nick in self.nicklist[parent]['nicks']
if nick['name'] != name
]
def nicklist_update_item(self, parent, group, prefix, name, visible):
"""Update a group/nick in nicklist."""
if group:
if name in self.nicklist:
self.nicklist[name]['visible'] = visible
else:
if parent in self.nicklist:
for nick in self.nicklist[parent]['nicks']:
if nick['name'] == name:
nick['prefix'] = prefix
nick['visible'] = visible
break
def nicklist_refresh(self):
"""Refresh nicklist."""
self.widget.nicklist.clear()
for group in sorted(self.nicklist):
for nick in sorted(self.nicklist[group]['nicks'],
key=lambda n: n['name']):
prefix_color = {
'': '',
' ': '',
'+': 'yellow',
}
col = prefix_color.get(nick['prefix'], 'green')
if col:
icon = QtGui.QIcon(
resource_filename(__name__,
'data/icons/bullet_%s_8x8.png' %
col))
else:
pixmap = QtGui.QPixmap(8, 8)
pixmap.fill()
icon = QtGui.QIcon(pixmap)
item = QtWidgets.QListWidgetItem(icon, nick['name'])
self.widget.nicklist.addItem(item)
self.widget.nicklist.setVisible(True)