You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
105 lines
3.4 KiB
105 lines
3.4 KiB
#!/usr/bin/env python |
|
# -*- coding: utf-8 -*- |
|
|
|
# Copyright (C) 2018 Andy Stewart |
|
# |
|
# Author: Andy Stewart <lazycat.manatee@gmail.com> |
|
# Maintainer: Andy Stewart <lazycat.manatee@gmail.com> |
|
# |
|
# This program 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 |
|
# any later version. |
|
# |
|
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>. |
|
|
|
from PyQt5 import QtCore |
|
from PyQt5.QtCore import QUrl, Qt |
|
from PyQt5.QtGui import QColor |
|
from PyQt5.QtWebKitWidgets import QWebView, QWebPage |
|
from PyQt5.QtWidgets import QApplication |
|
from PyQt5.QtWebKit import QWebSettings |
|
from core.buffer import Buffer |
|
from core.utils import PostGui |
|
import socket |
|
import subprocess |
|
import threading |
|
|
|
class AppBuffer(Buffer): |
|
def __init__(self, buffer_id, url): |
|
Buffer.__init__(self, buffer_id, url, False, QColor(255, 255, 255, 255)) |
|
|
|
# Get free port to render markdown. |
|
self.port = self.get_free_port() |
|
|
|
# Start markdown render process. |
|
subprocess.Popen("grip {0} {1}".format(url, self.port), shell=True) |
|
|
|
# Init widget. |
|
self.add_widget(BrowserWidget()) |
|
self.buffer_widget.titleChanged.connect(self.change_title) |
|
|
|
# Add timer make load markdown preview link after grip process start finish. |
|
timer = threading.Timer(2, self.load_markdown_server) |
|
timer.start() |
|
|
|
def get_free_port(self): |
|
""" |
|
Determines a free port using sockets. |
|
""" |
|
free_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) |
|
free_socket.bind(('0.0.0.0', 0)) |
|
free_socket.listen(5) |
|
port = free_socket.getsockname()[1] |
|
free_socket.close() |
|
|
|
return port |
|
|
|
@PostGui() |
|
def load_markdown_server(self): |
|
self.buffer_widget.setUrl(QUrl("http://localhost:{0}".format(self.port))) |
|
self.buffer_widget.update() |
|
|
|
class BrowserWidget(QWebView): |
|
|
|
def __init__(self): |
|
super(QWebView, self).__init__() |
|
|
|
self.web_page = WebPage() |
|
self.setPage(self.web_page) |
|
|
|
self.settings().setAttribute(QWebSettings.PluginsEnabled, True) |
|
self.settings().setAttribute(QWebSettings.JavascriptEnabled, True) |
|
self.settings().setAttribute(QWebSettings.JavascriptCanOpenWindows, True) |
|
|
|
class WebPage(QWebPage): |
|
|
|
open_url_in_new_tab = QtCore.pyqtSignal(str) |
|
|
|
def __init__(self): |
|
super(WebPage, self).__init__() |
|
|
|
def acceptNavigationRequest(self, frame, request, type): |
|
modifiers = QApplication.keyboardModifiers() |
|
|
|
# Handle myself if got user event. |
|
if type == QWebPage.NavigationTypeLinkClicked: |
|
if modifiers == Qt.ControlModifier: |
|
self.open_url_in_new_tab.emit(request.url().toString()) |
|
else: |
|
self.view().load(request.url()) |
|
|
|
# Return False to stop default behavior. |
|
return False |
|
|
|
# # Otherwise, use default behavior. |
|
return QWebPage.acceptNavigationRequest(self, frame, request, type) |
|
|
|
def javaScriptConsoleMessage(self, msg, lineNumber, sourceID): |
|
pass
|
|
|