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"""PyGTK compatibility layer.
To be removed as we migrate to Python-GObject's normal syntax. Do not write new
code in the PyGTK style now, and feel free to simplify "if gtk2compat.USE_GTK3"
clauses in code elsewhere.
"""
from __future__ import absolute_import
import logging
logger = logging.getLogger(__name__)
import gi
from gi.repository import GObject
from gi.repository import Gdk
from gi.repository import Gtk
from gi.repository import GdkPixbuf
USE_GTK3 = True
class GdkPixbufCompat(object):
@staticmethod
def new(colorspace, has_alpha, bps, width, height):
return GdkPixbuf.Pixbuf.new(colorspace, has_alpha, bps, width, height)
class GdkCompat(object):
@staticmethod
def display_get_default():
display_manager = Gdk.DisplayManager.get()
return display_manager.get_default_display()
@staticmethod
def keymap_get_default():
return Gdk.Keymap.get_default()
class GtkCompat(object):
def accel_map_load(self, file):
return Gtk.AccelMap.load(file)
def accel_map_save(self, file):
return Gtk.AccelMap.save(file)
def accel_map_get(self):
return Gtk.AccelMap.get()
def accel_map_lookup_entry(self, accel_path):
# Returns "a 2-tuple containing the keyval and modifier mask
# corresponding to accel_path or None if not valid", like the GTK2
# function.
found, accel_key = Gtk.AccelMap.lookup_entry(accel_path)
if not found:
return None
keyval = accel_key.accel_key
mods = accel_key.accel_mods
return keyval, mods
def get_gobject():
return GObject
def original_gtk():
logger.debug("Using GTK3")
try:
import pygtkcompat
pygtkcompat.enable()
pygtkcompat.enable_gtk(version='3.0')
except ImportError:
logger.warning('"import pygtkcompat" did not work, trying old '
'deprecated way')
import gi.pygtkcompat
gi.pygtkcompat.enable()
gi.pygtkcompat.enable_gtk(version='3.0')
import gtk
return gtk
orig_gtk = original_gtk()
gdk = GdkCompat()
gdk.pixbuf = GdkPixbufCompat()
gtk = GtkCompat()
gobject = get_gobject()
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