import sys
import gtk
import webkit

class Browser(gtk.Window):
    def __init__(self, url=''):
        gtk.Window.__init__(self)

        self.url = url
        self.view = webkit.WebView()

        self.set_title('Browser')
        self.set_default_size(640, 480)

        scroll = gtk.ScrolledWindow()
        scroll.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
        scroll.set_shadow_type(gtk.SHADOW_IN)

        scroll.add(self.view)

        vbox = gtk.VBox()

        entry = gtk.Entry()
        entry.connect('activate', self._on_url_changed)

        if self.url:
            entry.set_text(self.url)
            self.open(self.url)

        vbox.pack_start(entry, False)
        vbox.pack_start(scroll, True, True)

        panels = gtk.VPaned()
        panels.add1(vbox)
        panels.show_all()

        settings = self.view.get_settings()
        settings.set_property("enable-developer-extras", True)

        def activate_inspector(self, *args):
            view = webkit.WebView()

            panels.add2(view)
            panels.set_position(panels.get_allocation().height / 2)
            view.show()

            return view

        inspector = self.view.get_web_inspector()
        inspector.connect("inspect-web-view", activate_inspector)

        self.add(panels)

        self.connect('delete-event', lambda *args: sys.exit(0))

    def open(self, url):
        if not url.startswith('http://') and not url.startswith('https://'):
            self.url = 'http://' + url
        else:
            self.url = url

        self.view.open(self.url)

    def _on_url_changed(self, entry):
        '''called when the url changes'''
        url = entry.get_text()
        self.open(url)

if __name__ == '__main__':
    browser = Browser('www.google.com/search?q=python%20argentina')
    browser.show()
    gtk.main()