import sys
if sys.version[:3] == '1.4':
import ni
import os
import urllib, urlparse
from gtk import *
from gnome.ui import *
from gnome.xmhtml import *
opener = urllib.URLopener()
# url history
history = []
# links for 'forward'
forward = []
def about(button):
GnomeAbout('GtkXmHTML Test', '0.0',
'May be distributed under the terms of the GPL2',
['James Henstridge'],
'This is a useless application demonstrating the\n' +
'GtkXmHTML widget with python.').show()
def load_url(url):
if os.path.exists(url):
f = open(url)
else:
f = opener.open(url)
headers = f.info()
mime = headers.getheader('Content-type')
if mime: html.set_mime_type(mime)
source = f.read()
html.freeze()
html.source(source)
html.thaw()
history.append(url)
def anchor_track(html, info):
if info.href:
full_url = urlparse.urljoin(history[-1], info.href)
status.set_text(full_url)
else:
status.set_text('')
def activate(html, info):
if info.href:
url = urlparse.urljoin(history[-1], info.href)
load_url(url)
entry.set_text(url)
status.set('')
def key_function(entry, event):
url = entry.get_text()
if event.keyval == GDK.Return:
load_url(url)
del forward[:]
entry.emit_stop_by_name('key_press_event')
def do_back(_b):
forward.append(history[-1])
del history[-1]
url = history[-1]
del history[-1]
load_url(url)
def do_forward(_b):
if len(forward) == 0: return
load_url(forward[-1])
del forward[-1]
def do_reload(_b):
if len(history) == 0: return
url = history[-1]
del history[-1]
load_url(url)
file_menu = [
UIINFO_ITEM_STOCK('Quit', None, mainquit, STOCK_MENU_QUIT),
]
help_menu = [
UIINFO_ITEM_STOCK('About...', None, about, STOCK_MENU_ABOUT),
]
menus = [
UIINFO_SUBTREE('File', file_menu),
UIINFO_SUBTREE('Help', help_menu)
]
toolbar = [
UIINFO_ITEM_STOCK('Back', 'Previous page', do_back, STOCK_PIXMAP_BACK),
UIINFO_ITEM_STOCK('Forward', 'Next page', do_forward,
STOCK_PIXMAP_FORWARD),
UIINFO_ITEM_STOCK('Reload', 'Reload current page', do_reload,
STOCK_PIXMAP_REFRESH)
]
win = GnomeApp("html_demo", "Python Gtk-XmHTML Test")
win.set_wmclass("gtk_xmhtml_test", "GtkXmHTMLTest")
win.connect('delete_event', mainquit)
vbox = GtkVBox(spacing=3)
vbox.set_border_width(2)
vbox.show()
win.set_contents(vbox)
entry = GtkEntry()
entry.connect('key_press_event', key_function)
vbox.pack_start(entry, expand=FALSE)
entry.show()
html = GtkXmHTML()
html.set_dithering(FALSE) # this forces creation of CC
html.set_usize(400, 400)
html.set_allow_body_colors(TRUE)
html.connect("anchor_track", anchor_track)
html.connect("activate", activate)
html.freeze()
html.source('''Dummy Document
Pick a URL
Use the entry box to pick a document to view.
Currently image loading does not work.
Also you will find the links
aren't working. This is because I haven't found
enough hooks to get everything working in gtk-xmhtml
''')
html.thaw()
vbox.pack_start(html)
html.show()
sep = GtkHSeparator()
vbox.pack_start(sep, expand=FALSE)
sep.show()
status = GtkLabel('')
status.set_justify(JUSTIFY_LEFT)
status.set_alignment(0.0, 0.5)
win.set_statusbar(status)
status.show()
# This is at the end, since pixmap creation changes the default visual
win.create_menus(menus)
win.create_toolbar(toolbar)
win.show()
mainloop()