carlos-jenkins/app.py

## app.py
# -*- coding:utf-8 -*-
#
# Copyright (C) 2013 Carlos Jenkins <carlos@jenkins.co.cr>
#
# 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()

## webbrowser.ui
<?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>
	# -- coding:utf-8 --
	#
	# Copyright (C) 2013 Carlos Jenkins <carlos@jenkins.co.cr>
	#
	# 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()
	<?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>