/
chmviewkit.py
1053 lines (923 loc) · 40.4 KB
/
chmviewkit.py
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# -*- coding: UTF-8 -*-
# -*- Mode: Python; py-indent-offset: 4 -*-
"""
CHM View Kit - chm viewer based on gtk webkit libraries
Copyright © 2011, Ojuba Team <core@ojuba.org>
Released under terms of Waqf Public License.
This program is free software; you can redistribute it and/or modify
it under the terms of the latest version Waqf Public License as
published by Ojuba.org.
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.
The Latest version of the license can be found on
"http://waqf.ojuba.org/license"
"""
import sys, os, os.path, time, re, sqlite3, hashlib
import shutil, tempfile
import threading, socket
import gettext
from gi.repository import GObject
from gi.repository import Gtk, Gdk, Pango
from gi.repository import WebKit
from subprocess import Popen, PIPE
from urllib import unquote
from urlparse import urlparse, urlsplit
from htmlentitydefs import entitydefs
from paste import httpserver
from chm import chm, chmlib
def async_gtk_call(f):
def worker((function, args, kwargs)):
function(*args, **kwargs)
def f2(*args, **kwargs):
GObject.idle_add(worker, (f, args, kwargs))
return f2
setsid = getattr(os, 'setsid', None)
if not setsid: setsid = getattr(os, 'setpgrp', None)
_ps = []
def run_in_bg(cmd):
global _ps
setsid = getattr(os, 'setsid', None)
if not setsid: setsid = getattr(os, 'setpgrp', None)
_ps = filter(lambda x: x.poll() != None, _ps) # remove terminated processes from _ps list
_ps.append(Popen(cmd, 0, '/bin/sh', shell = True, preexec_fn = setsid))
def get_exec_full_path(fn):
a = filter(lambda p: os.access(p, os.X_OK),
map(lambda p: os.path.join(p, fn),
os.environ['PATH'].split(os.pathsep)))
if a: return a[0]
return None
def guess_browser():
e = get_exec_full_path("xdg-open")
if not e:
e = get_exec_full_path("firefox")
if not e:
e = "start"
return e
broswer = guess_browser()
def sure(msg, w = None):
dlg = Gtk.MessageDialog(w,
Gtk.DialogFlags.MODAL,
Gtk.MessageType.QUESTION,
Gtk.ButtonsType.YES_NO, msg)
dlg.connect("response", lambda *args: dlg.hide())
r = dlg.run()
dlg.destroy()
return r == Gtk.ResponseType.YES
def error(msg, w=None):
dlg = Gtk.MessageDialog(w,
Gtk.DialogFlags.MODAL,
Gtk.MessageType.ERROR,
Gtk.ButtonsType.OK, msg)
dlg.connect("response", lambda *args: dlg.hide())
r = dlg.run()
dlg.destroy()
return r == Gtk.ResponseType.OK
class WV(WebKit.WebView):
def __init__(self, key):
WebKit.WebView.__init__(self)
self._lock = threading.Lock()
self.key = key
self.links_prompt = True
#self.set_view_source_mode(True)
self.set_full_content_zoom(True)
self.connect_after("populate-popup", self.populate_popup)
self.connect("navigation-requested", self._navigation_requested_cb)
#self.connect("navigation-policy-decision-requested", self._navigation_policy_cb)
def _navigation_policy_cb(self, view, frame, networkRequest, action, policy, *a, **kw):
uri = networkRequest.get_uri()
u = urlparse(uri)
if u.scheme != 'file' and u.hostname != '127.0.0.1' and u.hostname != 'localhost':
policy.ignore()
if view.links_prompt and not sure(_("open [%s] in external browser") % uri, None):
return True
run_in_bg("%s '%s'" % (broswer ,uri))
return True
return False
def _navigation_requested_cb(self, view, frame, networkRequest):
uri = networkRequest.get_uri()
u = urlparse(uri)
if u.scheme != 'file' and u.hostname != '127.0.0.1' and u.hostname != 'localhost':
if view.links_prompt and not sure(_("open [%s] in external browser") % uri, None):
return 1
run_in_bg("%s '%s'" % (broswer ,uri))
return 1
return 0
def eval_js(self, e):
"""
can be used to eval a javascript expression
eg. to obtain value of a javascript variable given its name
"""
self._lock.acquire()
self.execute_script('$_eval_js_old_title=document.title;document.title=%s;' % e)
r = self.get_main_frame().get_title()
self.execute_script('document.title=$_eval_js_old_title;')
self._lock.release()
return r
def populate_popup(self, view, menu):
menu.append(Gtk.SeparatorMenuItem.new())
i = Gtk.ImageMenuItem.new_from_stock(Gtk.STOCK_ZOOM_IN, None)
i.connect('activate', lambda m,v,*a,**k: v.zoom_in(), view)
i.set_always_show_image(True)
menu.append(i)
i = Gtk.ImageMenuItem.new_from_stock(Gtk.STOCK_ZOOM_OUT, None)
i.connect('activate', lambda m,v,**k: v.zoom_out(), view)
i.set_always_show_image(True)
menu.append(i)
i = Gtk.ImageMenuItem.new_from_stock(Gtk.STOCK_ZOOM_100, None)
i.set_always_show_image(True)
i.connect('activate', lambda m,v,*a,**k: v.get_zoom_level() == 1.0 or v.set_zoom_level(1.0), view)
menu.append(i)
menu.show_all()
return False
class TabLabel (Gtk.HBox):
"""A class for Tab labels"""
__gsignals__ = {
"close": (GObject.SIGNAL_RUN_FIRST,
GObject.TYPE_NONE,
(GObject.TYPE_OBJECT,))
}
def __init__ (self, title, child):
"""initialize the tab label"""
Gtk.HBox.__init__(self)
self.title = title
self.child = child
self.label = Gtk.Label(title)
self.label.props.max_width_chars = 30
self.label.set_ellipsize(Pango.EllipsizeMode.MIDDLE)
self.label.set_alignment(0.0, 0.5)
# FIXME: use another icon
icon = Gtk.Image.new_from_icon_name("chmviewkit", Gtk.IconSize.MENU)
close_image = Gtk.Image.new_from_stock(Gtk.STOCK_CLOSE, Gtk.IconSize.MENU)
close_button = Gtk.Button()
close_button.set_relief(Gtk.ReliefStyle.NONE)
close_button.connect("clicked", self._close_tab, child)
close_button.add(close_image)
self.pack_start(icon, False, False, 0)
self.pack_start(self.label, True, True, 0)
self.pack_start(close_button, False, False, 0)
self.set_data("label", self.label)
self.set_data("close-button", close_button)
self.connect("style-set", tab_label_style_set_cb)
def set_label_text (self, text):
"""sets the text of this label"""
if text: self.label.set_label(text)
def _close_tab (self, widget, child):
self.emit("close", child)
def tab_label_style_set_cb(tab_label, style):
context = tab_label.get_pango_context()
# FIXME: AttributeError: 'function' object has no attribute 'font_desc'
font_desc = Pango.font_description_from_string(tab_label.label.get_label())
metrics = context.get_metrics(font_desc, context.get_language())
char_width = metrics.get_approximate_digit_width()
(Bool, width, height) = Gtk.icon_size_lookup_for_settings(tab_label.get_settings(),
Gtk.IconSize.MENU)
#tab_label.set_size_request(20 * Pango.PIXELS(char_width) + 2 * width, -1)
tab_label.set_size_request(20 * char_width + 2 * width, -1)
button = tab_label.get_data("close-button")
button.set_size_request(width + 4, height + 4)
class ContentPane (Gtk.HPaned):
__gsignals__ = {
"focus-view-title-changed": (GObject.SIGNAL_RUN_FIRST,
GObject.TYPE_NONE,
(GObject.TYPE_OBJECT,
GObject.TYPE_STRING,)),
"focus-view-load-committed": (GObject.SIGNAL_RUN_FIRST,
GObject.TYPE_NONE,
(GObject.TYPE_OBJECT,
GObject.TYPE_OBJECT,)),
"new-window-requested": (GObject.SIGNAL_RUN_FIRST,
GObject.TYPE_NONE,
(GObject.TYPE_OBJECT,))
}
def __init__ (self,
win,
default_url = None,
default_title = None,
hp = Gtk.PolicyType.NEVER,
vp = Gtk.PolicyType.AUTOMATIC):
"""initialize the content pane"""
Gtk.HPaned.__init__(self)
self.win = win
self.tabs = Gtk.Notebook()
self.sidepane = Gtk.Notebook()
self.add1(self.sidepane)
self.add2(self.tabs)
self.sidepane.set_show_tabs(False)
self.tabs.set_scrollable(True)
self.default_url = default_url
self.default_title = default_title
self.hp = hp
self.vp = vp
self.tabs.props.scrollable = True
#self.tabs.props.homogeneous = True
self.tabs.connect("switch-page", self._switch_page)
self.show_all()
self._hovered_uri = None
def load (self, uri):
"""load the given uri in the current web view"""
child = self.tabs.get_nth_page(self.tabs.get_current_page())
wv = child.get_child()
wv.open(uri)
def new_tab_with_webview (self, webview):
"""creates a new tab with the given webview as its child"""
self.tabs._construct_tab_view(webview)
def new_tab (self, url = None, key = None):
"""creates a new page in a new tab"""
# create the tab content
wv = WV(key)
#if url: wv.open(url)
self._construct_tab_view(wv, url)
return wv
def _update_buttons(self, view):
self.win.go_back_b.set_sensitive(view.can_go_back())
self.win.go_forward_b.set_sensitive(view.can_go_forward())
def _construct_tab_view (self, wv, url=None, title=None):
wv.connect("hovering-over-link", self._hovering_over_link_cb)
wv.connect("populate-popup", self._populate_page_popup_cb)
wv.connect("load-committed", self._view_load_committed_cb)
wv.connect("load-finished", self._view_load_finished_cb)
wv.connect("create-web-view", self._new_web_view_request_cb)
# load the content
self._hovered_uri = None
if not url: url = self.default_url
else: wv.open(url)
#elif url!=wv.get_property("uri"): wv.open(url)
scrolled_window = Gtk.ScrolledWindow()
scrolled_window.props.hscrollbar_policy = self.hp
scrolled_window.props.vscrollbar_policy = self.vp
scrolled_window.add(wv)
scrolled_window.show_all()
# create the tab
if not title: title = self.default_title
if not title: title = url
label = TabLabel(title, scrolled_window)
label.connect("close", self._close_tab)
label.show_all()
new_tab_number = self.tabs.append_page(scrolled_window, label)
self.tabs.set_tab_reorderable(scrolled_window, True)
#self.tabs.set_tab_label_packing(scrolled_window, False, False, Gtk.PackType.START)
self.tabs.set_tab_label(scrolled_window, label)
# hide the tab if there's only one
self.tabs.set_show_tabs(self.tabs.get_n_pages() > 1)
self.show_all()
self.tabs.set_current_page(new_tab_number)
def _populate_page_popup_cb(self, view, menu):
# misc
if self._hovered_uri:
open_in_new_tab = Gtk.MenuItem(_("Open Link in New Tab"))
open_in_new_tab.connect("activate", self._open_in_new_tab, view)
menu.insert(open_in_new_tab, 0)
menu.show_all()
def _open_in_new_tab (self, menuitem, view):
self.new_tab(self._hovered_uri, key=view.key)
def _close_tab (self, label, child):
page_num = self.tabs.page_num(child)
if page_num != -1:
view = child.get_child()
view.destroy()
self.tabs.remove_page(page_num)
self.tabs.set_show_tabs(self.tabs.get_n_pages() > 1)
def _switch_page (self, notebook, page, page_num):
child = self.tabs.get_nth_page(page_num)
view = child.get_child()
frame = view.get_main_frame()
self.emit("focus-view-load-committed", view, frame)
key = view.key
if key and self.win.app.chm[key].has_key("pane"):
n = self.sidepane.page_num(self.win.app.chm[key]["pane"])
if n >= 0: self.sidepane.set_current_page(n)
self._update_buttons(view)
def _hovering_over_link_cb (self, view, title, uri):
self._hovered_uri = uri
def _view_load_committed_cb (self, view, frame):
self.emit("focus-view-load-committed", view, frame)
self._update_buttons(view)
self._update_sidepan(frame)
def _update_sidepan_old(self, frame):
# FIXME: use other method to do this
## This function not used anymore!!
'''Update sidpan according to frame url'''
l=frame.get_uri().split('/', 3)
if len(l)!=4: return
l=l[3].split('$/', 1)
if len(l)!=2: return
key,sub_uri = l
def checkLine(model, path, i, tree):
if sub_uri == store.get_value(i,2):
tree.expand_to_path(path)
tree.scroll_to_cell(path)
tree.get_selection().select_iter(i)
return True
pane = self.win.app.chm[key]["pane"]
pane.working = True
for t in (pane.tree, pane.ix, pane.results):
store = t.get_model()
store.foreach(checkLine, t)
pane.working = False
def _update_sidepan(self, frame):
'''Update sidpan according to frame url'''
l=frame.get_uri().split('/', 3)
if len(l) != 4: return
l = l[3].split('$/', 1)
if len(l) != 2: return
key,sub_uri = l
pane = self.win.app.chm[key]["pane"]
pane.working = True
for t, c in ((pane.tree, pane.tree_cont),
(pane.results, pane.result_cont),
(pane.ix, pane.ix_cont)):
sel=t.get_selection()
sel.unselect_all()
if c.has_key(sub_uri):
p, i = c[sub_uri]
t.expand_to_path(p)
t.scroll_to_cell(p)
sel.select_iter(i)
pane.working = False
def _view_load_finished_cb(self, view, frame):
child = self.tabs.get_nth_page(self.tabs.get_current_page())
label = self.tabs.get_tab_label(child)
title = frame.get_title()
if not title:
title = frame.get_uri()
label.set_label_text(title)
self.win._do_highlight(self.win.search_e.get_text())
def _new_web_view_request_cb (self, web_view, web_frame):
view = self.new_tab(key = web_view.key)
view.connect("web-view-ready", self._new_web_view_ready_cb)
return view
def _new_web_view_ready_cb (self, web_view):
self.emit("new-window-requested", web_view)
normalize_tb={
65: 97, 66: 98, 67: 99, 68: 100, 69: 101, 70: 102, 71: 103, 72: 104, 73: 105, 74: 106, 75: 107, 76: 108, 77: 109, 78: 110, 79: 111, 80: 112, 81: 113, 82: 114, 83: 115, 84: 116, 85: 117, 86: 118, 87: 119, 88: 120, 89: 121, 90: 122,
1600: None, 1569: 1575, 1570: 1575, 1571: 1575, 1572: 1575, 1573: 1575, 1574: 1575, 1577: 1607, 1611: None, 1612: None, 1613: None, 1614: None, 1615: None, 1616: None, 1617: None, 1618: None, 1609: 1575}
def normalize(s):
return s.translate(normalize_tb)
def _build_entiries_re():
p=[]
for k,v in entitydefs.items():
if v.startswith('&'): continue
p.append(re.escape(k))
return re.compile("&(%s);" % "|".join(p), re.I)
_entities_re = _build_entiries_re()
def _fix_entities(s):
if not s: return ""
return _entities_re.sub(lambda m: entitydefs.get(m.group(1), m.group(1)), s)
class BookSidePane(Gtk.Notebook):
def __init__(self, win, app, key):
Gtk.Notebook.__init__(self)
self.working = False
self.win = win
self.app = app
self.key = key
self.tree_cont = {}
self.result_cont = {}
self.ix_cont = {}
self.append_page(self.build_toc_tree(), Gtk.Label(_('Topics Tree')))
self.append_page(self.build_ix(), Gtk.Label(_('Index')))
self.append_page(self.build_search_pane(), Gtk.Label(_('Search')))
def build_ix(self):
app,key=self.app,self.key
s = Gtk.ListStore(str, str, str, bool, float) # label, normalized, url, is_page, scale
self.ix = Gtk.TreeView()
self.ix.set_model(s)
col = Gtk.TreeViewColumn('Index', Gtk.CellRendererText(), markup = 0, scale = 4)
col.mark_up = True
col.set_sizing(Gtk.TreeViewColumnSizing.AUTOSIZE)
col.set_resizable(True)
col.set_expand(True)
self.ix.insert_column(col, -1)
self.ix.set_enable_search(True)
self.ix.set_search_column(1)
self.ix.set_headers_visible(False)
self.ix.set_tooltip_column(0)
p=[None]
l=[]
for e in self.app.get_ix(key):
while(l and l[-1] >= e['level']): p.pop(); l.pop()
it = s.append((
(" "*len(l))+e['name.utf8'],
normalize(e['name.utf8'].lower()),
e.get('local', ''),
e['is_page'],
max(0.5, 1.0-0.0625*len(l)), ))
p.append(it)
l.append(e['level'])
self.ix_cont[e['local']] = [s.get_path(it), it]
scroll = Gtk.ScrolledWindow()
scroll.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC)
scroll.add(self.ix)
self.ix.connect("cursor-changed", self._toc_cb)
return scroll
def build_toc_tree(self):
app,key = self.app,self.key
s = Gtk.TreeStore(str, str, str, bool) # label, normalized, url, is_page
self.tree = Gtk.TreeView()
self.tree.set_model(s)
col = Gtk.TreeViewColumn('Topics', Gtk.CellRendererText(), markup = 0)
col.mark_up = True
col.set_sizing(Gtk.TreeViewColumnSizing.AUTOSIZE)
col.set_resizable(True)
col.set_expand(True)
self.tree.insert_column(col, -1)
self.tree.set_enable_search(True)
self.tree.set_search_column(1)
self.tree.set_headers_visible(False)
self.tree.set_tooltip_column(0)
p = [None]
l = []
for e in self.app.get_toc(key):
while(l and l[-1] >= e['level']): p.pop(); l.pop()
l.append(e['level'])
it = s.append(p[-1],(e['name.utf8'], normalize(e['name.utf8'].lower()), e.get('local', ''), e['is_page']))
p.append(it)
if e.has_key('local'): self.tree_cont[e['local']] = [s.get_path(it), it]
scroll = Gtk.ScrolledWindow()
scroll.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC)
scroll.add(self.tree)
self.tree.connect("cursor-changed", self._toc_cb)
return scroll
def _search_cb(self, e):
m = self.results.get_model()
m.clear()
self.result_cont = {}
e.modify_fg(Gtk.StateType.NORMAL, None)
txt = e.get_text().strip()
self.win.search_e.set_text(txt)
enc = self.app.get_encoding(self.key)
s,r = None,None
try: s,r = self.app.get_chmf(self.key).Search(txt.encode(enc))
except UnicodeDecodeError: pass
if not s:
print "no res", s, r
e.modify_fg(Gtk.StateType.NORMAL, Gdk.color_parse("#FF0000"))
return
print len(r), "Found!"
for k in r:
k = _fix_entities(k)
try: ku = k.decode('utf-8')
except UnicodeDecodeError: ku = k.decode(enc)
i = m.append(((ku, normalize(ku), r[k], True, 1.0, )))
self.result_cont[r[k]] = [m.get_path(i),i]
def build_search_pane(self):
vb = Gtk.VBox()
hb = Gtk.HBox(); vb.pack_start(hb, False, False, 2)
self.search_e = e = Gtk.Entry()
hb.pack_start(e, False, False, 2)
s = Gtk.ListStore(str, str, str, bool, float) # label, normalized, url, is_page, scale
self.results = Gtk.TreeView()
self.results.set_model(s)
col = Gtk.TreeViewColumn('Index', Gtk.CellRendererText(), markup = 0, scale = 4)
col.mark_up = True
col.set_sizing(Gtk.TreeViewColumnSizing.AUTOSIZE)
col.set_resizable(True)
col.set_expand(True)
self.results.insert_column(col, -1)
self.results.set_enable_search(True)
self.results.set_search_column(1)
self.results.set_headers_visible(False)
self.results.set_tooltip_column(0)
self.results.connect("cursor-changed", self._toc_cb)
e.connect('activate', self._search_cb)
scroll = Gtk.ScrolledWindow()
scroll.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC)
scroll.add(self.results)
vb.pack_start(scroll, True, True, 2)
return vb
def _toc_cb(self, tree, *a):
if self.working: return
try:
s,i = tree.get_selection().get_selected()
except AttributeError, e:
print "Error:", e
return
is_page = self.win.gen_url(self.key, s.get_value(i, 3))
if is_page:
url = self.win.gen_url(self.key, s.get_value(i, 2))
self.win._content.load(url)
class About(Gtk.AboutDialog):
def __init__(self, parent):
Gtk.AboutDialog.__init__(self, parent=parent)
self.set_default_response(Gtk.ResponseType.CLOSE)
self.connect('delete-event', lambda w, *a: w.hide() or True)
self.connect('response', lambda w, *a: w.hide() or True)
try: self.set_program_name("CHM View Kit")
except AttributeError: pass
self.set_logo_icon_name('chmviewkit')
self.set_name("CHM View Kit")
#self.set_version(version)
self.set_copyright("Copyright © 2011, Ojuba Team <core@ojuba.org>")
self.set_comments(_("CHM (Compiled HTML) Files Viewer"))
self.set_license("""
Released under terms of Waqf Public License.
This program is free software; you can redistribute it and/or modify
it under the terms of the latest version Waqf Public License as
published by Ojuba.org.
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.
The Latest version of the license can be found on
"http://waqf.ojuba.org/license"
""")
self.set_website("http://git.ojuba.org/")
self.set_website_label("http://git.ojuba.org")
self.set_authors(["Muayyad Saleh Alsadi <alsadi@ojuba.org>", "Ehab El-Gedawy <ehabsas@gmail.com>"])
self.run()
self.destroy()
# self.set_documenters(documenters)
# self.set_artists(artists)
# self.set_translator_credits(translator_credits)
# self.set_logo(logo)
class MainWindow(Gtk.Window):
def __init__(self, app, port, server):
self.app = app
self.port = port
self.server = server # we need this to quit the server when closing main window
self._open_dlg = None
Gtk.Window.set_default_icon_name('chmviewkit')
Gtk.Window.__init__(self)
self.set_title(_('CHM View Kit'))
self.set_default_size(600, 480)
self.maximize()
# add drag-data-recived action
targets = Gtk.TargetList.new([])
targets.add_uri_targets((1<<5)-1)
self.drag_dest_set(Gtk.DestDefaults.ALL, [], Gdk.DragAction.COPY)
self.drag_dest_set_target_list(targets)
self.connect('drag-data-received', self.drop_data_cb)
self.axl = Gtk.AccelGroup()
self.add_accel_group(self.axl)
vb = Gtk.VBox(); self.add(vb)
tools = Gtk.Toolbar()
vb.pack_start(tools, False, False, 2)
self._content = ContentPane(self, None, _("CHM View Kit"))
vb.pack_start(self._content,True, True, 2)
ACCEL_CTRL_KEY, ACCEL_CTRL_MOD = Gtk.accelerator_parse("<Ctrl>")
ACCEL_SHFT_KEY, ACCEL_SHFT_MOD = Gtk.accelerator_parse("<Shift>")
b=Gtk.ToolButton.new_from_stock(Gtk.STOCK_OPEN)
b.connect('clicked', self._open_cb)
b.add_accelerator("clicked",self.axl,ord('o'), ACCEL_CTRL_MOD,Gtk.AccelFlags.VISIBLE)
b.set_tooltip_text(u"%s\t%s" % (_("Open a CHM file"), "(Ctrl+O)" ))
tools.insert(b, -1)
b = Gtk.ToolButton.new_from_stock(Gtk.STOCK_PRINT)
b.connect('clicked', lambda a: self._do_in_current_view("execute_script", 'window.print();'))
b.add_accelerator("clicked",self.axl,ord('p'), ACCEL_CTRL_MOD,Gtk.AccelFlags.VISIBLE)
b.set_tooltip_text(u"%s\t%s" % (_("Print current page"), "(Ctrl+P)" ))
tools.insert(b, -1)
tools.insert(Gtk.SeparatorToolItem(), -1)
self.go_back_b = b = Gtk.ToolButton.new_from_stock(Gtk.STOCK_GO_BACK)
b.set_sensitive(False)
b.connect('clicked', lambda a: self._do_in_current_view("go_back"))
b.add_accelerator("clicked",self.axl, Gdk.KEY_Left, ACCEL_CTRL_MOD, Gtk.AccelFlags.VISIBLE)
b.set_tooltip_text(u"%s\t%s" % (_("Go Back"), "(Alt+Left)"))
tools.insert(b, -1)
self.go_forward_b = b = Gtk.ToolButton.new_from_stock(Gtk.STOCK_GO_FORWARD)
b.set_sensitive(False)
b.connect('clicked', lambda a: self._do_in_current_view("go_forward"))
b.add_accelerator("clicked",self.axl, Gdk.KEY_Right, ACCEL_CTRL_MOD, Gtk.AccelFlags.VISIBLE)
b.set_tooltip_text(u"%s\t%s" % (_("Go Forward"), "(Alt+Right)"))
tools.insert(b, -1)
tools.insert(Gtk.SeparatorToolItem(), -1)
#tools.insert(Gtk.SeparatorToolItem(), -1)
img = Gtk.Image()
img.set_from_stock(Gtk.STOCK_ZOOM_IN, Gtk.IconSize.BUTTON)
b = Gtk.ToolButton(icon_widget=img, label=_("Zoom in"))
b.set_is_important(True)
b.add_accelerator("clicked",self.axl,Gdk.KEY_equal, ACCEL_CTRL_MOD, Gtk.AccelFlags.VISIBLE)
b.add_accelerator("clicked",self.axl,Gdk.KEY_plus, ACCEL_CTRL_MOD, Gtk.AccelFlags.VISIBLE)
b.add_accelerator("clicked",self.axl,Gdk.KEY_KP_Add, ACCEL_CTRL_MOD, Gtk.AccelFlags.VISIBLE)
b.set_tooltip_text(u"%s\t%s" % (_("Makes things appear bigger"), "(Ctrl++)"))
b.connect('clicked', lambda a: self._do_in_current_view("zoom_in"))
tools.insert(b, -1)
img = Gtk.Image()
img.set_from_stock(Gtk.STOCK_ZOOM_OUT, Gtk.IconSize.BUTTON)
b = Gtk.ToolButton(icon_widget=img, label=_("Zoom out"))
b.add_accelerator("clicked",self.axl,Gdk.KEY_minus, ACCEL_CTRL_MOD, Gtk.AccelFlags.VISIBLE)
b.add_accelerator("clicked",self.axl,Gdk.KEY_KP_Subtract, ACCEL_CTRL_MOD, Gtk.AccelFlags.VISIBLE)
b.set_tooltip_text(u"%s\t%s" % (_("Makes things appear smaller"), "(Ctrl+-)"))
b.connect('clicked', lambda a: self._do_in_current_view("zoom_out"))
tools.insert(b, -1)
img = Gtk.Image()
img.set_from_stock(Gtk.STOCK_ZOOM_100, Gtk.IconSize.BUTTON)
b = Gtk.ToolButton(icon_widget = img, label = _("1:1 Zoom"))
b.add_accelerator("clicked",self.axl,ord('0'), ACCEL_CTRL_MOD, Gtk.AccelFlags.VISIBLE)
b.add_accelerator("clicked",self.axl,Gdk.KEY_KP_0, ACCEL_CTRL_MOD, Gtk.AccelFlags.VISIBLE)
b.set_tooltip_text(u"%s\t%s" % (_("Restore original zoom factor"), "(Ctrl+0)"))
b.connect('clicked', lambda a: self._do_in_current_view("set_zoom_level",1.0))
tools.insert(b, -1)
tools.insert(Gtk.SeparatorToolItem(), -1)
self.search_e = e = Gtk.Entry()
e.connect('activate', self.search_cb)
e.add_accelerator("activate",self.axl,Gdk.KEY_g, ACCEL_CTRL_MOD, Gtk.AccelFlags.VISIBLE)
b = Gtk.ToolItem()
b.add(e)
tools.insert(b, -1)
# Add CTRL+F accelerator for focusing search entry
self.axl.connect(Gdk.KEY_F, ACCEL_CTRL_MOD, Gtk.AccelFlags.VISIBLE, self.find_cb)
# Add CTRL+SHIFT+G accelerator for backward search
self.axl.connect(Gdk.KEY_g, ACCEL_CTRL_MOD|ACCEL_SHFT_MOD, \
Gtk.AccelFlags.VISIBLE, lambda *a: self.search_cb(None, False))
tools.insert(Gtk.SeparatorToolItem(), -1)
b = Gtk.ToolButton.new_from_stock(Gtk.STOCK_ABOUT)
b.connect('clicked', self._show_about_dlg)
b.set_tooltip_text(_("About CHM View Kit"))
tools.insert(b, -1)
self.connect("delete_event", self.quit)
self.connect("destroy", self.quit)
self.show_all()
def find_cb(self, *a):
if not self.search_e.is_focus():
self.search_e.set_text(self._do_in_current_view('eval_js', 'document.getSelection().toString()'))
self.search_e.grab_focus()
self.search_e.select_region(0, len(self.search_e.get_text()))
self.search_cb(self.search_e)
def _do_highlight(self, txt):
view = self._get_current_view()
view.set_highlight_text_matches(False)
view.unmark_text_matches()
view.mark_text_matches(txt, False, False)
view.set_highlight_text_matches(True)
def search_cb(self, e, forward = True):
txt = self.search_e.get_text()
view = self._get_current_view()
self.search_e.modify_fg(Gtk.StateType.NORMAL, None)
if not view or not txt: return None
# returns False if not found
s = view.search_text(txt, False, forward, True) # txt, case, forward, wrap
self._do_highlight(txt)
if not s:
self.search_e.modify_fg(Gtk.StateType.NORMAL, Gdk.color_parse("#FF0000"))
def _show_about_dlg(self, *a):
return About(self)
def _show_open_dlg(self, *a):
if self._open_dlg:
return self._open_dlg.run()
self._open_dlg = Gtk.FileChooserDialog("Select files to import",
parent = self,
buttons = (Gtk.STOCK_CANCEL,
Gtk.ResponseType.REJECT,
Gtk.STOCK_OK,
Gtk.ResponseType.ACCEPT))
ff = Gtk.FileFilter()
ff.set_name(_('CHM Files'))
ff.add_mime_type('application/x-chm')
ff.add_mime_type('application/chm')
self._open_dlg.add_filter(ff)
ff = Gtk.FileFilter()
ff.set_name(_('All files'))
ff.add_pattern('*')
self._open_dlg.add_filter(ff)
self._open_dlg.set_select_multiple(False)
self._open_dlg.connect('delete-event', lambda w,*a: w.hide() or True)
self._open_dlg.connect('response', lambda w,*a: w.hide() or True)
return self._open_dlg.run()
def gen_url(self, key, fn):
return "http://127.0.0.1:%d/%s$/%s" % (self.port, key, fn)
def _open_cb(self, *a):
if self._show_open_dlg() != Gtk.ResponseType.ACCEPT: return
chmfn = self._open_dlg.get_filename()
if os.path.exists(chmfn):
manager = Gtk.RecentManager.get_default()
manager.add_item(chmfn)
self._do_open(chmfn)
def _do_open(self, chmfn):
fn = ""
try:
# FIXME: have a single method for this
key = self.app.load_chm(chmfn)
fn = self.app.get_toc(key)[0]['local'] # FIXME: just put cursor to first is_page
except IOError: error(_("unable to open file [%s]!") % chmfn,None); return
except KeyError: pass
except IndexError: pass
self._content.new_tab(self.gen_url(key, fn), key)
pane = BookSidePane(self, self.app, key)
self.app.chm[key]["pane"] = pane
l = Gtk.Label('sss')
n = self._content.sidepane.append_page(pane, l)
self._content.sidepane.get_nth_page(n).show_all()
self._content.sidepane.set_current_page(n)
def _get_current_view(self):
n = self._content.tabs.get_current_page()
if n < 0:
return None
return self._content.tabs.get_nth_page(n).get_child()
def _do_in_current_view (self, action, *a, **kw):
view = self._get_current_view()
if not view: return None
return getattr(view, action)(*a,**kw)
def _do_in_all_views (self, action, *a, **kw):
for n in range(self._content.tabs.get_n_pages()):
view = self._content.tabs.get_nth_page(n).get_child()
getattr(view, action)(*a,**kw)
def drop_data_cb(self, widget, dc, x, y, selection_data, info, t):
for chmfn in selection_data.get_uris():
if chmfn.startswith('file://'):
f = unquote(chmfn[7:])
self._do_open(f)
else:
print "Protocol not supported in [%s]" % chmfn
#dc.drop_finish (True, t);
def quit(self,*args):
self.server.running = False
Gtk.main_quit()
return False
CHM_HIGH_PORT = 18080
def launchServer(app):
launched = False
port = CHM_HIGH_PORT
while(not launched):
try:
server = httpserver.serve(app,
host = '127.0.0.1',
port = port,
start_loop = False)
except socket.error:
port+=1
else:
launched = True
return port, server
class ChmWebApp:
_mimeByExtension = {
'html': 'text/html', 'htm': 'text/html', 'txt': 'text/plain',
'css': 'text/css', 'js':'application/javascript',
'ico': 'image/x-icon', 'png': 'image/png', 'gif': 'image/gif',
'jpg': 'image/jpeg', 'jpeg': 'image/jpeg'
}
_li_re = re.compile(r'''(</?(?:ul|li)[^>]*>)''', re.I | re.S | re.M)
_p_re = re.compile(r'''<param([^<>]+)>''', re.I | re.S | re.M)
_kv_re = re.compile(r'''(\S+)\s*=\s*("([^"]*)"|'([^']*)')''', re.I | re.S | re.M)
_href_re = re.compile(r'''(<[^<>]+(?:href|src)=(["'])/)''', re.I | re.S | re.M)
_chr_re = re.compile(r'''<meta[^>]*content\s*=\s*['"]?text/html;\s*charset\s*=\s*([^ '">]+)\s*['"]?[^>]*>''', re.I | re.S | re.M)
def __init__(self):
self.key2file = {}
self.chm = {}
#self.chmf.LoadCHM('sayed-elkhater.chm')
def __call__(self, environ, start_response):
uri = environ['PATH_INFO']
l = uri[1:].split('$/', 1) # we have the a key followed by $/ then the rest of the uri
if len(l) == 2:
key,fn = l
fn = '/'+fn
else:
# in case of no key guess it from referrer
ref = environ.get('HTTP_REFERER','')
(scheme, netloc, path, query, fragment) = urlsplit(ref)
if ref and '$' in path:
l = path[1:].split('$', 1)
key = l[0]
fn = uri
# we can continue without redirect,
# but it's better to redirect so that we always have a valid referrer
start_response("302 moved", [('content-type', 'text/plain'),
('Location', "/"+key+"$"+fn)])
return ("moved",)
else:
# in case of no key and no valid referrer give 404
start_response("404 Not found", [('content-type', 'text/plain')])
return ('not found',)
ext = fn[fn.rfind('.'):][1:].lower()
mime = self._mimeByExtension.get(ext,"application/octet-stream")
chmf = self.get_chmf(key)
s,u = chmf.ResolveObject(fn)
if s != 0:
start_response("404 Not found", [('content-type', 'text/plain')])
return ('not found',)
l,data = chmf.RetrieveObject(u)
start_response("200 OK", [('content-type', mime)])
# to test referrer fix comment out next line
if ext == 'htm':
data = self._href_re.sub(r'\1'+key+'$/',data)
self.get_encoding(key, data)
return (data,)
def load_chm(self, fn):
key = hashlib.md5(fn).digest().encode('base64')[:-3].replace('/', '_').replace('+', '-')
if self.key2file.has_key(key):
return key
self.key2file[key] = fn
return key
def get_chmf(self, key):
if not self.chm.has_key(key):
self.chm[key] = {}
if not self.chm[key].has_key('chmf'):
fn = self.key2file[key]
chmf = chm.CHMFile()
s = chmf.LoadCHM(fn)
if s != 1:
raise IOError
self.chm[key]['chmf'] = chmf
return self.chm[key]['chmf']
def get_encoding(self, key, html=''):
if self.chm[key].has_key('encoding'):
return self.chm[key]['encoding']
f, e = self.guess_encoding(html)
if f and e:
self.chm[key]['encoding'] = e
else:
e = 'windows-1256'
return e
def guess_encoding(self, html = ''):
m = self._chr_re.search(html)
if m:
return True, m.group(1).strip()
e = 'UTF-8'
try:
t = html.decode(e)
except UnicodeDecodeError:
return False, e
return False, None
def _parse_toc_html(self, html, home = None, title = None):
html = _fix_entities(html)
li = self._li_re
p = self._p_re
level = 0
toc = []
home = home.lstrip('/')
home_found = False
for i in li.split(html or ""):
e = {}
ul = i.lower()
if ul.startswith('<ul'):
level += 1
elif ul.startswith('</ul'):
level -= 1
for m in p.findall(i):
param = {}
for kvm in self._kv_re.findall(m):
k, v = kvm[0], kvm[1]
param[k.lower().strip(" \t\n\r\"'")] = v.strip(" \t\n\r\"'")
if param.has_key('name') and param.has_key('value'):
e[param['name'].lower()] = param['value']
try:
u = param['value'].decode('utf-8')
except UnicodeDecodeError:
u = param['value'].decode('windows-1256')
e[param['name'].lower()+'.utf8'] = u
e['level'] = level
e['is_page'] = e.has_key('local')
if not home_found and e.has_key('local') and home and e["local"] == home:
home_found = True
if e.has_key('name'):
toc.append(e)
if home and not home_found:
i = home
t = title or home
try:
u = t.decode('utf-8')
except UnicodeDecodeError:
u = t.decode('windows-1256')
e = {'is_page': True, 'level': 1, 'name.utf8': u, 'local': i, 'name': t}
toc.insert(0, e)
return toc
def _enum_cb(self, f, u, d):
fn = u.path
if fn.startswith('/'):
fn = fn[1:]
ext = (fn[fn.rfind('.'):][1:].lower())[:3]
if ext == 'htm':