Andy Stewart
8 years ago
parent
6b62a614bb
commit
51ec7a0be0
4 changed files with 142 additions and 23 deletions
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#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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# Copyright (C) 2018 Andy Stewart |
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# |
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# Author: Andy Stewart <lazycat.manatee@gmail.com> |
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# Maintainer: Andy Stewart <lazycat.manatee@gmail.com> |
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# |
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# This program is free software: you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation, either version 3 of the License, or |
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# any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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from PyQt5 import QtCore |
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from PyQt5.QtCore import QUrl, Qt |
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from PyQt5.QtGui import QColor |
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from PyQt5.QtWebKitWidgets import QWebView, QWebPage |
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from PyQt5.QtWidgets import QApplication |
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from PyQt5.QtWebKit import QWebSettings |
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from core.buffer import Buffer |
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from core.utils import PostGui |
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import socket |
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import subprocess |
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import threading |
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class AppBuffer(Buffer): |
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def __init__(self, buffer_id, url): |
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Buffer.__init__(self, buffer_id, url, False, QColor(255, 255, 255, 255)) |
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# Get free port to render markdown. |
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self.port = self.get_free_port() |
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# Start markdown render process. |
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subprocess.Popen("grip {0} {1}".format(url, self.port), shell=True) |
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# Init widget. |
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self.add_widget(BrowserWidget()) |
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self.buffer_widget.titleChanged.connect(self.change_title) |
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# Add timer make load markdown preview link after grip process start finish. |
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timer = threading.Timer(2, self.load_markdown_server) |
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timer.start() |
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def get_free_port(self): |
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""" |
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Determines a free port using sockets. |
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""" |
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free_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) |
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free_socket.bind(('0.0.0.0', 0)) |
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free_socket.listen(5) |
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port = free_socket.getsockname()[1] |
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free_socket.close() |
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return port |
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@PostGui() |
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def load_markdown_server(self): |
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self.buffer_widget.setUrl(QUrl("http://localhost:{0}".format(self.port))) |
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self.buffer_widget.update() |
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class BrowserWidget(QWebView): |
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def __init__(self): |
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super(QWebView, self).__init__() |
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self.web_page = WebPage() |
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self.setPage(self.web_page) |
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self.settings().setAttribute(QWebSettings.PluginsEnabled, True) |
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self.settings().setAttribute(QWebSettings.JavascriptEnabled, True) |
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self.settings().setAttribute(QWebSettings.JavascriptCanOpenWindows, True) |
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class WebPage(QWebPage): |
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open_url_in_new_tab = QtCore.pyqtSignal(str) |
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def __init__(self): |
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super(WebPage, self).__init__() |
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def acceptNavigationRequest(self, frame, request, type): |
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modifiers = QApplication.keyboardModifiers() |
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# Handle myself if got user event. |
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if type == QWebPage.NavigationTypeLinkClicked: |
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if modifiers == Qt.ControlModifier: |
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self.open_url_in_new_tab.emit(request.url().toString()) |
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else: |
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self.view().load(request.url()) |
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# Return False to stop default behavior. |
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return False |
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# # Otherwise, use default behavior. |
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return QWebPage.acceptNavigationRequest(self, frame, request, type) |
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def javaScriptConsoleMessage(self, msg, lineNumber, sourceID): |
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pass |
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After Width: | Height: | Size: 258 KiB |
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