Created
February 11, 2014 21:41
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Simple Gtk+ web browser using WebKit introspected bindings.
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| # -*- coding:utf-8 -*- | |
| # | |
| # Copyright (C) 2013 Carlos Jenkins <[email protected]> | |
| # | |
| # 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 | |
| # (at your option) 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 gi.repository import Gtk, WebKit2 # gir1.2-webkit2-3.0 | |
| from os.path import abspath, dirname, join | |
| WHERE_AM_I = abspath(dirname(__file__)) | |
| local_uri = 'webbrowser://' | |
| initial_html = '''\ | |
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> | |
| <title>WebView Recipe</title> | |
| </head> | |
| <body> | |
| <p>Some links:</a> | |
| <ul> | |
| <li><a href="https://www.google.com/">Google</a></li> | |
| <li><a href="http://www.gtk.org/">Gtk+</a></li> | |
| <li><a href="https://glade.gnome.org/">Glade</a></li> | |
| <li><a href="http://www.python.org/">Python</a></li> | |
| <li><a href="file:///etc/hosts">Local <tt>/etc/hosts</tt> file</a></li> | |
| </ul> | |
| </body> | |
| </html> | |
| ''' | |
| class WebBrowser(object): | |
| """ | |
| Simple WebBrowser class. | |
| Uses WebKit introspected bindings for Python: | |
| http://webkitgtk.org/reference/webkit2gtk/stable/ | |
| """ | |
| def __init__(self): | |
| """ | |
| Build GUI | |
| """ | |
| # Build GUI from Glade file | |
| self.builder = Gtk.Builder() | |
| self.builder.add_from_file(join(WHERE_AM_I, 'webbrowser.ui')) | |
| # Get objects | |
| go = self.builder.get_object | |
| self.window = go('window') | |
| self.entry = go('entry') | |
| self.scrolled = go('scrolled') | |
| # Create WebView | |
| self.webview = WebKit2.WebView() | |
| self.scrolled.add_with_viewport(self.webview) | |
| # Connect signals | |
| self.builder.connect_signals(self) | |
| self.webview.connect('load-changed', self.load_changed_cb) | |
| self.window.connect('delete-event', Gtk.main_quit) | |
| # Everything is ready | |
| self.load_uri(local_uri + 'home') | |
| self.window.show_all() | |
| def entry_cb(self, widget, user_data=None): | |
| """ | |
| Callback when Enter is pressed in URL entry. | |
| """ | |
| self.load_uri(self.entry.get_text()) | |
| def load_changed_cb(self, webview, event, user_data=None): | |
| """ | |
| Callback for when the load operation in webview changes. | |
| """ | |
| ev = str(event) | |
| if 'WEBKIT_LOAD_COMMITTED' in ev: | |
| self.entry.set_text(self.webview.get_uri()) | |
| def load_uri(self, uri): | |
| """ | |
| Load an URI on the browser. | |
| """ | |
| self.entry.set_text(uri) | |
| if uri.startswith(local_uri): | |
| section = uri[len(local_uri):] | |
| if section == 'home': | |
| self.webview.load_html(initial_html, local_uri) | |
| return | |
| self.webview.load_uri(uri) | |
| return | |
| if __name__ == '__main__': | |
| gui = WebBrowser() | |
| Gtk.main() |
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| <?xml version="1.0" encoding="UTF-8"?> | |
| <interface> | |
| <!-- interface-requires gtk+ 3.0 --> | |
| <object class="GtkWindow" id="window"> | |
| <property name="can_focus">False</property> | |
| <property name="border_width">5</property> | |
| <property name="title" translatable="yes">WebBrowser</property> | |
| <property name="window_position">center-always</property> | |
| <property name="default_width">800</property> | |
| <property name="default_height">600</property> | |
| <child> | |
| <object class="GtkBox" id="box"> | |
| <property name="visible">True</property> | |
| <property name="can_focus">False</property> | |
| <property name="orientation">vertical</property> | |
| <child> | |
| <object class="GtkEntry" id="entry"> | |
| <property name="visible">True</property> | |
| <property name="can_focus">True</property> | |
| <property name="has_focus">True</property> | |
| <property name="invisible_char">•</property> | |
| <signal name="activate" handler="entry_cb" swapped="no"/> | |
| </object> | |
| <packing> | |
| <property name="expand">False</property> | |
| <property name="fill">True</property> | |
| <property name="position">0</property> | |
| </packing> | |
| </child> | |
| <child> | |
| <object class="GtkScrolledWindow" id="scrolled"> | |
| <property name="visible">True</property> | |
| <property name="can_focus">False</property> | |
| <property name="shadow_type">in</property> | |
| <child> | |
| <placeholder/> | |
| </child> | |
| </object> | |
| <packing> | |
| <property name="expand">True</property> | |
| <property name="fill">True</property> | |
| <property name="position">1</property> | |
| </packing> | |
| </child> | |
| </object> | |
| </child> | |
| </object> | |
| </interface> |
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