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gajim-plural/src/gtkgui_helpers.py

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## gtkgui_helpers.py
##
## Copyright (C) 2003-2006 Yann Le Boulanger <asterix@lagaule.org>
## Copyright (C) 2004-2005 Vincent Hanquez <tab@snarc.org>
## Copyright (C) 2005-2006 Nikos Kouremenos <kourem@gmail.com>
## Copyright (C) 2005 Dimitur Kirov <dkirov@gmail.com>
## Copyright (C) 2005 Travis Shirk <travis@pobox.com>
## Copyright (C) 2005 Norman Rasmussen <norman@rasmussen.co.za>
##
## 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; version 2 only.
##
## 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.
##
import xml.sax.saxutils
import gtk
import gtk.glade
import gobject
import pango
import os
import sys
import vcard
import dialogs
HAS_PYWIN32 = True
if os.name == 'nt':
try:
import win32file
import win32con
import pywintypes
except ImportError:
HAS_PYWIN32 = False
from common import i18n
from common import gajim
from common import helpers
gtk.glade.bindtextdomain(i18n.APP, i18n.DIR)
gtk.glade.textdomain(i18n.APP)
screen_w = gtk.gdk.screen_width()
screen_h = gtk.gdk.screen_height()
GLADE_DIR = os.path.join('..', 'data', 'glade')
def get_glade(file_name, root = None):
file_path = os.path.join(GLADE_DIR, file_name)
return gtk.glade.XML(file_path, root=root, domain=i18n.APP)
def get_completion_liststore(entry):
''' create a completion model for entry widget
completion list consists of (Pixbuf, Text) rows'''
completion = gtk.EntryCompletion()
liststore = gtk.ListStore(gtk.gdk.Pixbuf, str)
render_pixbuf = gtk.CellRendererPixbuf()
completion.pack_start(render_pixbuf, expand = False)
completion.add_attribute(render_pixbuf, 'pixbuf', 0)
render_text = gtk.CellRendererText()
completion.pack_start(render_text, expand = True)
completion.add_attribute(render_text, 'text', 1)
completion.set_property('text_column', 1)
completion.set_model(liststore)
entry.set_completion(completion)
return liststore
def popup_emoticons_under_button(menu, button, parent_win):
''' pops emoticons menu under button, which is in parent_win'''
window_x1, window_y1 = parent_win.get_origin()
def position_menu_under_button(menu):
# inline function, which will not keep refs, when used as CB
button_x, button_y = button.allocation.x, button.allocation.y
# now convert them to X11-relative
window_x, window_y = window_x1, window_y1
x = window_x + button_x
y = window_y + button_y
menu_width, menu_height = menu.size_request()
## should we pop down or up?
if (y + button.allocation.height + menu_height
< gtk.gdk.screen_height()):
# now move the menu below the button
y += button.allocation.height
else:
# now move the menu above the button
y -= menu_height
# push_in is True so all the menuitems are always inside screen
push_in = True
return (x, y, push_in)
menu.popup(None, None, position_menu_under_button, 1, 0)
def get_theme_font_for_option(theme, option):
'''return string description of the font, stored in
theme preferences'''
font_name = gajim.config.get_per('themes', theme, option)
font_desc = pango.FontDescription()
font_prop_str = gajim.config.get_per('themes', theme, option + 'attrs')
if font_prop_str:
if font_prop_str.find('B') != -1:
font_desc.set_weight(pango.WEIGHT_BOLD)
if font_prop_str.find('I') != -1:
font_desc.set_style(pango.STYLE_ITALIC)
fd = pango.FontDescription(font_name)
fd.merge(font_desc, True)
return fd.to_string()
def get_default_font():
'''Get the desktop setting for application font
first check for GNOME, then XFCE and last KDE
it returns None on failure or else a string 'Font Size' '''
try:
import gconf
# in try because daemon may not be there
client = gconf.client_get_default()
return client.get_string('/desktop/gnome/interface/font_name'
).decode('utf-8')
except:
pass
# try to get xfce default font
# Xfce 4.2 adopts freedesktop.org's Base Directory Specification
# see http://www.xfce.org/~benny/xfce/file-locations.html
# and http://freedesktop.org/Standards/basedir-spec
xdg_config_home = os.environ.get('XDG_CONFIG_HOME', '')
if xdg_config_home == '':
xdg_config_home = os.path.expanduser('~/.config') # default
xfce_config_file = os.path.join(xdg_config_home, 'xfce4/mcs_settings/gtk.xml')
kde_config_file = os.path.expanduser('~/.kde/share/config/kdeglobals')
if os.path.exists(xfce_config_file):
try:
for line in file(xfce_config_file):
if line.find('name="Gtk/FontName"') != -1:
start = line.find('value="') + 7
return line[start:line.find('"', start)].decode('utf-8')
except:
#we talk about file
print >> sys.stderr, _('Error: cannot open %s for reading') % xfce_config_file
elif os.path.exists(kde_config_file):
try:
for line in file(kde_config_file):
if line.find('font=') == 0: # font=Verdana,9,other_numbers
start = 5 # 5 is len('font=')
line = line[start:]
values = line.split(',')
font_name = values[0]
font_size = values[1]
font_string = '%s %s' % (font_name, font_size) # Verdana 9
return font_string.decode('utf-8')
except:
#we talk about file
print >> sys.stderr, _('Error: cannot open %s for reading') % kde_config_file
return None
def escape_for_pango_markup(string):
# escapes < > & ' "
# for pango markup not to break
if string is None:
return
if gtk.pygtk_version >= (2, 8, 0) and gtk.gtk_version >= (2, 8, 0):
escaped_str = gobject.markup_escape_text(string)
else:
escaped_str = xml.sax.saxutils.escape(string, {"'": '&apos;',
'"': '&quot;'})
return escaped_str
def autodetect_browser_mailer():
# recognize the environment and set appropriate browser/mailer
if user_runs_gnome():
gajim.config.set('openwith', 'gnome-open')
elif user_runs_kde():
gajim.config.set('openwith', 'kfmclient exec')
else:
gajim.config.set('openwith', 'custom')
def user_runs_gnome():
return 'gnome-session' in get_running_processes()
def user_runs_kde():
return 'startkde' in get_running_processes()
def get_running_processes():
'''returns running processes or None (if not /proc exists)'''
if os.path.isdir('/proc'):
# under Linux: checking if 'gnome-session' or
# 'startkde' programs were run before gajim, by
# checking /proc (if it exists)
#
# if something is unclear, read `man proc`;
# if /proc exists, directories that have only numbers
# in their names contain data about processes.
# /proc/[xxx]/exe is a symlink to executable started
# as process number [xxx].
# filter out everything that we are not interested in:
files = os.listdir('/proc')
# files that doesn't have only digits in names...
files = filter(str.isdigit, files)
# files that aren't directories...
files = filter(lambda f:os.path.isdir('/proc/' + f), files)
# processes owned by somebody not running gajim...
# (we check if we have access to that file)
files = filter(lambda f:os.access('/proc/' + f +'/exe', os.F_OK), files)
# be sure that /proc/[number]/exe is really a symlink
# to avoid TBs in incorrectly configured systems
files = filter(lambda f:os.path.islink('/proc/' + f + '/exe'), files)
# list of processes
processes = [os.path.basename(os.readlink('/proc/' + f +'/exe')) for f in files]
return processes
def move_window(window, x, y):
'''moves the window but also checks if out of screen'''
if x < 0:
x = 0
if y < 0:
y = 0
window.move(x, y)
def resize_window(window, w, h):
'''resizes window but also checks if huge window or negative values'''
if not w or not h:
return
if w > screen_w:
w = screen_w
if h > screen_h:
h = screen_h
window.resize(abs(w), abs(h))
class TagInfoHandler(xml.sax.ContentHandler):
def __init__(self, tagname1, tagname2):
xml.sax.ContentHandler.__init__(self)
self.tagname1 = tagname1
self.tagname2 = tagname2
self.servers = []
def startElement(self, name, attributes):
if name == self.tagname1:
for attribute in attributes.getNames():
if attribute == 'jid':
jid = attributes.getValue(attribute)
# we will get the port next time so we just set it 0 here
self.servers.append([jid, 0])
elif name == self.tagname2:
for attribute in attributes.getNames():
if attribute == 'port':
port = attributes.getValue(attribute)
# we received the jid last time, so we now assign the port
# number to the last jid in the list
self.servers[-1][1] = port
def endElement(self, name):
pass
def parse_server_xml(path_to_file):
try:
handler = TagInfoHandler('item', 'active')
xml.sax.parse(path_to_file, handler)
return handler.servers
# handle exception if unable to open file
except IOError, message:
print >> sys.stderr, _('Error reading file:'), message
# handle exception parsing file
except xml.sax.SAXParseException, message:
print >> sys.stderr, _('Error parsing file:'), message
def set_unset_urgency_hint(window, unread_messages_no):
'''sets/unsets urgency hint in window argument
depending if we have unread messages or not'''
if gtk.gtk_version >= (2, 8, 0) and gtk.pygtk_version >= (2, 8, 0) and \
gajim.config.get('use_urgency_hint'):
if unread_messages_no > 0:
window.props.urgency_hint = True
else:
window.props.urgency_hint = False
def get_abspath_for_script(scriptname, want_type = False):
'''checks if we are svn or normal user and returns abspath to asked script
if want_type is True we return 'svn' or 'install' '''
if os.path.isdir('.svn'): # we are svn user
type = 'svn'
cwd = os.getcwd() # it's always ending with src
if scriptname == 'gajim-remote':
path_to_script = cwd + '/gajim-remote.py'
elif scriptname == 'gajim':
script = '#!/bin/sh\n' # the script we may create
script += 'cd %s' % cwd
path_to_script = cwd + '/../scripts/gajim_sm_script'
try:
if os.path.exists(path_to_script):
os.remove(path_to_script)
f = open(path_to_script, 'w')
script += '\nexec python -OOt gajim.py $0 $@\n'
f.write(script)
f.close()
os.chmod(path_to_script, 0700)
except OSError: # do not traceback (could be a permission problem)
#we talk about a file here
s = _('Could not write to %s. Session Management support will not work') % path_to_script
print >> sys.stderr, s
else: # normal user (not svn user)
type = 'install'
# always make it like '/usr/local/bin/gajim'
path_to_script = helpers.is_in_path(scriptname, True)
if want_type:
return path_to_script, type
else:
return path_to_script
def get_pixbuf_from_data(file_data, want_type = False):
'''Gets image data and returns gtk.gdk.Pixbuf
if want_type is True it also returns 'jpeg', 'png' etc'''
pixbufloader = gtk.gdk.PixbufLoader()
try:
pixbufloader.write(file_data)
pixbufloader.close()
pixbuf = pixbufloader.get_pixbuf()
except gobject.GError: # 'unknown image format'
pixbuf = None
if want_type:
typ = pixbufloader.get_format()['name']
return pixbuf, typ
else:
return pixbuf
def get_invisible_cursor():
pixmap = gtk.gdk.Pixmap(None, 1, 1, 1)
color = gtk.gdk.Color()
cursor = gtk.gdk.Cursor(pixmap, pixmap, color, color, 0, 0)
return cursor
def get_current_desktop(window):
'''returns the current virtual desktop for given window
NOTE: window is GDK window'''
prop = window.property_get('_NET_CURRENT_DESKTOP')
if prop is None: # it means it's normal window (not root window)
# so we look for it's current virtual desktop in another property
prop = window.property_get('_NET_WM_DESKTOP')
if prop is not None:
# f.e. prop is ('CARDINAL', 32, [0]) we want 0 or 1.. from [0]
current_virtual_desktop_no = prop[2][0]
return current_virtual_desktop_no
def possibly_move_window_in_current_desktop(window):
'''moves GTK window to current virtual desktop if it is not in the
current virtual desktop
window is GTK window'''
if os.name == 'nt':
return False
root_window = gtk.gdk.screen_get_default().get_root_window()
# current user's vd
current_virtual_desktop_no = get_current_desktop(root_window)
# vd roster window is in
window_virtual_desktop = get_current_desktop(window.window)
# if one of those is None, something went wrong and we cannot know
# VD info, just hide it (default action) and not show it afterwards
if None not in (window_virtual_desktop, current_virtual_desktop_no):
if current_virtual_desktop_no != window_virtual_desktop:
# we are in another VD that the window was
# so show it in current VD
window.present()
return True
return False
def file_is_locked(path_to_file):
'''returns True if file is locked (WINDOWS ONLY)'''
if os.name != 'nt': # just in case
return
if not HAS_PYWIN32:
return
secur_att = pywintypes.SECURITY_ATTRIBUTES()
secur_att.Initialize()
try:
# try make a handle for READING the file
hfile = win32file.CreateFile(
path_to_file, # path to file
win32con.GENERIC_READ, # open for reading
0, # do not share with other proc
secur_att,
win32con.OPEN_EXISTING, # existing file only
win32con.FILE_ATTRIBUTE_NORMAL, # normal file
0 # no attr. template
)
except pywintypes.error, e:
return True
else: # in case all went ok, close file handle (go to hell WinAPI)
hfile.Close()
return False
def _get_fade_color(treeview, selected, focused):
'''get a gdk color that is between foreground and background in 0.3
0.7 respectively colors of the cell for the given treeview'''
style = treeview.style
if selected:
if focused: # is the window focused?
state = gtk.STATE_SELECTED
else: # is it not? NOTE: many gtk themes change bg on this
state = gtk.STATE_ACTIVE
else:
state = gtk.STATE_NORMAL
bg = style.base[state]
fg = style.text[state]
p = 0.3 # background
q = 0.7 # foreground # p + q should do 1.0
return gtk.gdk.Color(int(bg.red*p + fg.red*q),
int(bg.green*p + fg.green*q),
int(bg.blue*p + fg.blue*q))
def get_scaled_pixbuf(pixbuf, kind):
'''returns scaled pixbuf, keeping ratio etc or None
kind is either "chat", "roster", "notification", "tooltip", "vcard"'''
# resize to a width / height for the avatar not to have distortion
# (keep aspect ratio)
width = gajim.config.get(kind + '_avatar_width')
height = gajim.config.get(kind + '_avatar_height')
if width < 1 or height < 1:
return None
# Pixbuf size
pix_width = pixbuf.get_width()
pix_height = pixbuf.get_height()
# don't make avatars bigger than they are
if pix_width < width and pix_height < height:
return pixbuf # we don't want to make avatar bigger
ratio = float(pix_width) / float(pix_height)
if ratio > 1:
w = width
h = int(w / ratio)
else:
h = height
w = int(h * ratio)
scaled_buf = pixbuf.scale_simple(w, h, gtk.gdk.INTERP_HYPER)
return scaled_buf
def get_avatar_pixbuf_from_cache(fjid, is_fake_jid = False):
'''checks if jid has cached avatar and if that avatar is valid image
(can be shown)
returns None if there is no image in vcard
returns 'ask' if cached vcard should not be used (user changed his vcard,
so we have new sha) or if we don't have the vcard'''
jid, nick = gajim.get_room_and_nick_from_fjid(fjid)
if gajim.config.get('hide_avatar_of_transport') and\
gajim.jid_is_transport(jid):
# don't show avatar for the transport itself
return None
puny_jid = helpers.sanitize_filename(jid)
if is_fake_jid:
puny_nick = helpers.sanitize_filename(nick)
path = os.path.join(gajim.VCARD_PATH, puny_jid, puny_nick)
else:
path = os.path.join(gajim.VCARD_PATH, puny_jid)
if not os.path.isfile(path):
return 'ask'
vcard_dict = gajim.connections.values()[0].get_cached_vcard(fjid,
is_fake_jid)
if not vcard_dict: # This can happen if cached vcard is too old
return 'ask'
if not vcard_dict.has_key('PHOTO'):
return None
pixbuf = vcard.get_avatar_pixbuf_encoded_mime(vcard_dict['PHOTO'])[0]
return pixbuf
def make_gtk_month_python_month(month):
'''gtk start counting months from 0, so January is 0
but python's time start from 1, so align to python
month MUST be integer'''
return month + 1
def make_python_month_gtk_month(month):
return month - 1
def make_color_string(color):
'''create #aabbcc color string from gtk color'''
col = '#'
for i in (color.red, color.green, color.blue):
h = hex(i)[2:4]
if len(h) == 1:
h = '0' + h
col += h
return col
def make_pixbuf_grayscale(pixbuf):
pixbuf2 = pixbuf.copy()
pixbuf.saturate_and_pixelate(pixbuf2, 0.0, False)
return pixbuf2
def get_path_to_generic_or_avatar(generic, jid = None, suffix = None):
'''Chooses between avatar image and default image.
Returns full path to the avatar image if it exists,
otherwise returns full path to the image.'''
if jid:
puny_jid = helpers.sanitize_filename(jid)
path_to_file = os.path.join(gajim.AVATAR_PATH, puny_jid) + suffix
if os.path.exists(path_to_file):
return path_to_file
return os.path.abspath(generic)
def decode_filechooser_file_paths(file_paths):
'''decode as UTF-8 under Windows and
ask sys.getfilesystemencoding() in POSIX
file_paths MUST be LIST'''
file_paths_list = list()
if os.name == 'nt': # decode as UTF-8 under Windows
for file_path in file_paths:
file_path = file_path.decode('utf8')
file_paths_list.append(file_path)
else:
for file_path in file_paths:
try:
file_path = file_path.decode(sys.getfilesystemencoding())
except:
try:
file_path = file_path.decode('utf-8')
except:
pass
file_paths_list.append(file_path)
return file_paths_list
def possibly_set_gajim_as_xmpp_handler():
'''registers (by default only the first time) xmmp: to Gajim.'''
try:
import gconf
# in try because daemon may not be there
client = gconf.client_get_default()
except:
return
path_to_dot_kde = os.path.expanduser('~/.kde')
if os.path.exists(path_to_dot_kde):
path_to_kde_file = os.path.join(path_to_dot_kde,
'share/services/xmpp.protocol')
if not os.path.exists(path_to_kde_file):
path_to_kde_file = None
else:
path_to_kde_file = None
if gajim.config.get('set_xmpp://_handler_everytime'):
# it's false by default
we_set = True
elif client.get_string('/desktop/gnome/url-handlers/xmpp/command') is None:
# only the first time (GNOME/GCONF)
we_set = True
elif path_to_kde_file is not None and not os.path.exists(path_to_kde_file):
# only the first time (KDE)
we_set = True
else:
we_set = False
if not we_set:
return
path_to_gajim_script, typ = get_abspath_for_script('gajim-remote', True)
if path_to_gajim_script:
if typ == 'svn':
command = path_to_gajim_script + ' open_chat %s'
else: # 'installed'
command = 'gajim-remote open_chat %s'
# setting for GNOME/Gconf
client.set_bool('/desktop/gnome/url-handlers/xmpp/enabled', True)
client.set_string('/desktop/gnome/url-handlers/xmpp/command', command)
client.set_bool('/desktop/gnome/url-handlers/xmpp/needs_terminal', False)
# setting for KDE
if path_to_kde_file is not None: # user has run kde at least once
f = open(path_to_kde_file, 'w')
f.write('''\
[Protocol]
exec=%s "%%u"
protocol=xmpp
input=none
output=none
helper=true
listing=false
reading=false
writing=false
makedir=false
deleting=false
icon=gajim
Description=xmpp
''' % command)
f.close()
def escape_underscore(s):
'''Escape underlines to prevent them from being interpreted
as keyboard accelerators'''
return s.replace('_', '__')
def get_state_image_from_file_path_show(file_path, show):
state_file = show.replace(' ', '_')
files = []
files.append(os.path.join(file_path, state_file + '.png'))
files.append(os.path.join(file_path, state_file + '.gif'))
image = gtk.Image()
image.set_from_pixbuf(None)
for file_ in files:
if os.path.exists(file_):
image.set_from_file(file_)
break
return image
def get_possible_button_event(event):
'''mouse or keyboard caused the event?'''
if event.type == gtk.gdk.KEY_PRESS:
event_button = 0 # no event.button so pass 0
else: # BUTTON_PRESS event, so pass event.button
event_button = event.button
return event_button
def destroy_widget(widget):
widget.destroy()
def on_avatar_save_as_menuitem_activate(widget, jid, account,
default_name = ''):
def on_ok(widget):
def on_ok2(widget, file_path, pixbuf):
pixbuf.save(file_path, 'jpeg')
dialog2.destroy()
dialog.destroy()
file_path = dialog.get_filename()
file_path = decode_filechooser_file_paths((file_path,))[0]
if os.path.exists(file_path):
# check if we have write permissions
if not os.access(file_path, os.W_OK):
file_name = os.path.basename(file_path)
dialogs.ErrorDialog(_('Cannot overwrite existing file "%s"' %
file_name),
_('A file with this name already exists and you do not have '
'permission to overwrite it.'))
return
dialog2 = dialogs.FTOverwriteConfirmationDialog(
_('This file already exists'), _('What do you want to do?'),
False)
dialog2.set_transient_for(dialog)
dialog2.set_destroy_with_parent(True)
response = dialog2.get_response()
if response < 0:
return
else:
dirname = os.path.dirname(file_path)
if not os.access(dirname, os.W_OK):
dialogs.ErrorDialog(_('Directory "%s" is not writable') % \
dirname, _('You do not have permission to create files in this'
' directory.'))
return
# Get pixbuf
pixbuf = None
is_fake = False
if account and gajim.contacts.is_pm_from_jid(account, jid):
is_fake = True
pixbuf = get_avatar_pixbuf_from_cache(jid, is_fake)
ext = file_path.split('.')[-1]
type_ = ''
if not ext:
# Silently save as Jpeg image
file_path += '.jpeg'
type_ = 'jpeg'
elif ext == 'jpg':
type_ = 'jpeg'
else:
type_ = ext
# Save image
try:
pixbuf.save(file_path, type_)
except:
if os.path.exists(file_path):
os.remove(file_path)
new_file_path = '.'.join(file_path.split('.')[:-1]) + '.jpeg'
dialog2 = dialogs.ConfirmationDialog(_('Extension not supported'),
_('Image cannot be saved in %(type)s format. Save as %(new_filename)s?') % {'type': type_, 'new_filename': new_file_path},
on_response_ok = (on_ok2, new_file_path, pixbuf))
else:
dialog.destroy()
def on_cancel(widget):
dialog.destroy()
dialog = dialogs.FileChooserDialog(
title_text = _('Save Image as...'),
action = gtk.FILE_CHOOSER_ACTION_SAVE,
buttons = (gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
gtk.STOCK_SAVE, gtk.RESPONSE_OK),
default_response = gtk.RESPONSE_OK,
current_folder = gajim.config.get('last_save_dir'),
on_response_ok = on_ok,
on_response_cancel = on_cancel)
dialog.set_current_name(default_name)
dialog.connect('delete-event', lambda widget, event:
on_cancel(widget))
def on_bm_header_changed_state(widget, event):
widget.set_state(gtk.STATE_NORMAL) #do not allow selected_state
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