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A minimal Gtk+/Webkit based browser in Python
import sys
from gi.repository import Gtk, Gdk, WebKit
class BrowserTab(Gtk.VBox):
def __init__(self, *args, **kwargs):
super(BrowserTab, self).__init__(*args, **kwargs)
go_button = Gtk.Button("go to...")
go_button.connect("clicked", self._load_url)
self.url_bar = Gtk.Entry()
self.url_bar.connect("activate", self._load_url)
self.webview = WebKit.WebView()
self.show()
self.go_back = Gtk.Button("Back")
self.go_back.connect("clicked", lambda x: self.webview.go_back())
self.go_forward = Gtk.Button("Forward")
self.go_forward.connect("clicked", lambda x: self.webview.go_forward())
scrolled_window = Gtk.ScrolledWindow()
scrolled_window.add(self.webview)
find_box = Gtk.HBox()
close_button = Gtk.Button("Close")
close_button.connect("clicked", lambda x: find_box.hide())
self.find_entry = Gtk.Entry()
self.find_entry.connect("activate",
lambda x: self.webview.search_text(self.find_entry.get_text(),
False, True, True))
prev_button = Gtk.Button("Previous")
next_button = Gtk.Button("Next")
prev_button.connect("clicked",
lambda x: self.webview.search_text(self.find_entry.get_text(),
False, False, True))
next_button.connect("clicked",
lambda x: self.webview.search_text(self.find_entry.get_text(),
False, True, True))
find_box.pack_start(close_button, False, False, 0)
find_box.pack_start(self.find_entry, False, False, 0)
find_box.pack_start(prev_button, False, False, 0)
find_box.pack_start(next_button, False, False, 0)
self.find_box = find_box
url_box = Gtk.HBox()
url_box.pack_start(self.go_back, False, False, 0)
url_box.pack_start(self.go_forward, False, False, 0)
url_box.pack_start(self.url_bar, True, True, 0)
url_box.pack_start(go_button, False, False, 0)
self.pack_start(url_box, False, False, 0)
self.pack_start(scrolled_window, True, True, 0)
self.pack_start(find_box, False, False, 0)
url_box.show_all()
scrolled_window.show_all()
def _load_url(self, widget):
url = self.url_bar.get_text()
if not "://" in url:
url = "http://" + url
self.webview.load_uri(url)
class Browser(Gtk.Window):
def __init__(self, *args, **kwargs):
super(Browser, self).__init__(*args, **kwargs)
# create notebook and tabs
self.notebook = Gtk.Notebook()
self.notebook.set_scrollable(True)
# basic stuff
self.tabs = []
self.set_size_request(400,400)
# create a first, empty browser tab
self.tabs.append((self._create_tab(), Gtk.Label("New Tab")))
self.notebook.append_page(*self.tabs[0])
self.add(self.notebook)
# connect signals
self.connect("destroy", Gtk.main_quit)
self.connect("key-press-event", self._key_pressed)
self.notebook.connect("switch-page", self._tab_changed)
self.notebook.show()
self.show()
def _tab_changed(self, notebook, current_page, index):
if not index:
return
title = self.tabs[index][0].webview.get_title()
if title:
self.set_title(title)
def _title_changed(self, webview, frame, title):
current_page = self.notebook.get_current_page()
counter = 0
for tab, label in self.tabs:
if tab.webview is webview:
label.set_text(title)
if counter == current_page:
self._tab_changed(None, None, counter)
break
counter += 1
def _create_tab(self):
tab = BrowserTab()
tab.webview.connect("title-changed", self._title_changed)
return tab
def _reload_tab(self):
self.tabs[self.notebook.get_current_page()][0].webview.reload()
def _close_current_tab(self):
if self.notebook.get_n_pages() == 1:
return
page = self.notebook.get_current_page()
current_tab = self.tabs.pop(page)
self.notebook.remove(current_tab[0])
def _open_new_tab(self):
current_page = self.notebook.get_current_page()
page_tuple = (self._create_tab(), Gtk.Label("New Tab"))
self.tabs.insert(current_page+1, page_tuple)
self.notebook.insert_page(page_tuple[0], page_tuple[1], current_page+1)
self.notebook.set_current_page(current_page+1)
def _focus_url_bar(self):
current_page = self.notebook.get_current_page()
self.tabs[current_page][0].url_bar.grab_focus()
def _raise_find_dialog(self):
current_page = self.notebook.get_current_page()
self.tabs[current_page][0].find_box.show_all()
self.tabs[current_page][0].find_entry.grab_focus()
def _key_pressed(self, widget, event):
modifiers = Gtk.accelerator_get_default_mod_mask()
mapping = {Gdk.KEY_r: self._reload_tab,
Gdk.KEY_w: self._close_current_tab,
Gdk.KEY_t: self._open_new_tab,
Gdk.KEY_l: self._focus_url_bar,
Gdk.KEY_f: self._raise_find_dialog,
Gdk.KEY_q: Gtk.main_quit}
if event.state & modifiers == Gdk.ModifierType.CONTROL_MASK \
and event.keyval in mapping:
mapping[event.keyval]()
if __name__ == "__main__":
Gtk.init(sys.argv)
browser = Browser()
Gtk.main()
@frkba

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commented Jan 11, 2014

how can I save the session in this browser?

@aeroaks

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commented Sep 3, 2014

Any idea how to get Inspect Element Working in this?

@alex-eri

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commented Aug 12, 2016

@pydoh

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commented Mar 15, 2018

I tried to correct some of the formatting in this code (and tried to put it in this comment), this web interface doesn't seem to be preserving the formatting. I think I'll just fork it.
Here's the link to the fork https://gist.github.com/pydoh/2f1b8287276bb70d961e88842ebe741f#file-pybrowser-py

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