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pygtkcompat.py
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# -*- Mode: Python; py-indent-offset: 4 -*- # vim: tabstop=4 shiftwidth=4 expandtab # # Copyright (C) 2011-2012 Johan Dahlin <johan@gnome.org> # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library 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 # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 # USA """ PyGTK compatibility layer. This modules goes a little bit longer to maintain PyGTK compatibility than the normal overrides system. It is recommended to not depend on this layer, but only use it as an intermediate step when porting your application to PyGI. Compatibility might never be 100%, but the aim is to make it possible to run a well behaved PyGTK application mostly unmodified on top of PyGI. """ import sys import warnings try: # Python 3 from collections import UserList UserList # pyflakes with warnings.catch_warnings(): warnings.simplefilter('ignore') from imp import reload except ImportError: # Python 2 ships that in a different module from UserList import UserList UserList # pyflakes import gi from gi.repository import GObject def _install_enums(module, dest=None, strip=''): if dest is None: dest = module modname = dest.__name__.rsplit('.', 1)[1].upper() for attr in dir(module): try: obj = getattr(module, attr, None) except: continue try: if issubclass(obj, GObject.GEnum): for value, enum in obj.__enum_values__.items(): name = enum.value_name name = name.replace(modname + '_', '') if strip and name.startswith(strip): name = name[len(strip):] setattr(dest, name, enum) except TypeError: continue try: if issubclass(obj, GObject.GFlags): for value, flag in obj.__flags_values__.items(): try: name = flag.value_names[-1].replace(modname + '_', '') except IndexError: # FIXME: this happens for some large flags which do not # fit into a long on 32 bit systems continue setattr(dest, name, flag) except TypeError: continue def enable(): # gobject from gi.repository import GLib sys.modules['glib'] = GLib # gobject from gi.repository import GObject sys.modules['gobject'] = GObject from gi import _propertyhelper sys.modules['gobject.propertyhelper'] = _propertyhelper # gio from gi.repository import Gio sys.modules['gio'] = Gio _unset = object() def enable_gtk(version='3.0'): # set the default encoding like PyGTK reload(sys) if sys.version_info < (3, 0): sys.setdefaultencoding('utf-8') # atk gi.require_version('Atk', '1.0') from gi.repository import Atk sys.modules['atk'] = Atk _install_enums(Atk) # pango gi.require_version('Pango', '1.0') from gi.repository import Pango sys.modules['pango'] = Pango _install_enums(Pango) # pangocairo gi.require_version('PangoCairo', '1.0') from gi.repository import PangoCairo sys.modules['pangocairo'] = PangoCairo # gdk gi.require_version('Gdk', version) gi.require_version('GdkPixbuf', '2.0') from gi.repository import Gdk from gi.repository import GdkPixbuf sys.modules['gtk.gdk'] = Gdk _install_enums(Gdk) _install_enums(GdkPixbuf, dest=Gdk) Gdk._2BUTTON_PRESS = 5 Gdk.BUTTON_PRESS = 4 Gdk.screen_get_default = Gdk.Screen.get_default Gdk.Pixbuf = GdkPixbuf.Pixbuf Gdk.PixbufLoader = GdkPixbuf.PixbufLoader.new_with_type Gdk.pixbuf_new_from_data = GdkPixbuf.Pixbuf.new_from_data Gdk.pixbuf_new_from_file = GdkPixbuf.Pixbuf.new_from_file try: Gdk.pixbuf_new_from_file_at_scale = GdkPixbuf.Pixbuf.new_from_file_at_scale except AttributeError: pass Gdk.pixbuf_new_from_file_at_size = GdkPixbuf.Pixbuf.new_from_file_at_size Gdk.pixbuf_new_from_inline = GdkPixbuf.Pixbuf.new_from_inline Gdk.pixbuf_new_from_stream = GdkPixbuf.Pixbuf.new_from_stream Gdk.pixbuf_new_from_stream_at_scale = GdkPixbuf.Pixbuf.new_from_stream_at_scale Gdk.pixbuf_new_from_xpm_data = GdkPixbuf.Pixbuf.new_from_xpm_data Gdk.pixbuf_get_file_info = GdkPixbuf.Pixbuf.get_file_info orig_get_formats = GdkPixbuf.Pixbuf.get_formats def get_formats(): formats = orig_get_formats() result = [] def make_dict(format_): result = {} result['description'] = format_.get_description() result['name'] = format_.get_name() result['mime_types'] = format_.get_mime_types() result['extensions'] = format_.get_extensions() return result for format_ in formats: result.append(make_dict(format_)) return result Gdk.pixbuf_get_formats = get_formats orig_get_frame_extents = Gdk.Window.get_frame_extents def get_frame_extents(window): try: try: rect = Gdk.Rectangle(0, 0, 0, 0) except TypeError: rect = Gdk.Rectangle() orig_get_frame_extents(window, rect) except TypeError: rect = orig_get_frame_extents(window) return rect Gdk.Window.get_frame_extents = get_frame_extents orig_get_origin = Gdk.Window.get_origin def get_origin(self): return orig_get_origin(self)[1:] Gdk.Window.get_origin = get_origin Gdk.screen_width = Gdk.Screen.width Gdk.screen_height = Gdk.Screen.height orig_gdk_window_get_geometry = Gdk.Window.get_geometry def gdk_window_get_geometry(window): return orig_gdk_window_get_geometry(window) + (window.get_visual().get_best_depth(),) Gdk.Window.get_geometry = gdk_window_get_geometry # gtk gi.require_version('Gtk', version) from gi.repository import Gtk sys.modules['gtk'] = Gtk Gtk.gdk = Gdk Gtk.pygtk_version = (2, 99, 0) Gtk.gtk_version = (Gtk.MAJOR_VERSION, Gtk.MINOR_VERSION, Gtk.MICRO_VERSION) _install_enums(Gtk) # Action def set_tool_item_type(menuaction, gtype): warnings.warn('set_tool_item_type() is not supported', gi.PyGIDeprecationWarning, stacklevel=2) Gtk.Action.set_tool_item_type = classmethod(set_tool_item_type) # Alignment orig_Alignment = Gtk.Alignment class Alignment(orig_Alignment): def __init__(self, xalign=0.0, yalign=0.0, xscale=0.0, yscale=0.0): orig_Alignment.__init__(self) self.props.xalign = xalign self.props.yalign = yalign self.props.xscale = xscale self.props.yscale = yscale Gtk.Alignment = Alignment # Box orig_pack_end = Gtk.Box.pack_end def pack_end(self, child, expand=True, fill=True, padding=0): orig_pack_end(self, child, expand, fill, padding) Gtk.Box.pack_end = pack_end orig_pack_start = Gtk.Box.pack_start def pack_start(self, child, expand=True, fill=True, padding=0): orig_pack_start(self, child, expand, fill, padding) Gtk.Box.pack_start = pack_start # TreeViewColumn orig_tree_view_column_pack_end = Gtk.TreeViewColumn.pack_end def tree_view_column_pack_end(self, cell, expand=True): orig_tree_view_column_pack_end(self, cell, expand) Gtk.TreeViewColumn.pack_end = tree_view_column_pack_end orig_tree_view_column_pack_start = Gtk.TreeViewColumn.pack_start def tree_view_column_pack_start(self, cell, expand=True): orig_tree_view_column_pack_start(self, cell, expand) Gtk.TreeViewColumn.pack_start = tree_view_column_pack_start # CellLayout orig_cell_pack_end = Gtk.CellLayout.pack_end def cell_pack_end(self, cell, expand=True): orig_cell_pack_end(self, cell, expand) Gtk.CellLayout.pack_end = cell_pack_end orig_cell_pack_start = Gtk.CellLayout.pack_start def cell_pack_start(self, cell, expand=True): orig_cell_pack_start(self, cell, expand) Gtk.CellLayout.pack_start = cell_pack_start orig_set_cell_data_func = Gtk.CellLayout.set_cell_data_func def set_cell_data_func(self, cell, func, user_data=_unset): def callback(*args): if args[-1] == _unset: args = args[:-1] return func(*args) orig_set_cell_data_func(self, cell, callback, user_data) Gtk.CellLayout.set_cell_data_func = set_cell_data_func # CellRenderer class GenericCellRenderer(Gtk.CellRenderer): pass Gtk.GenericCellRenderer = GenericCellRenderer # ComboBox orig_combo_row_separator_func = Gtk.ComboBox.set_row_separator_func def combo_row_separator_func(self, func, user_data=_unset): def callback(*args): if args[-1] == _unset: args = args[:-1] return func(*args) orig_combo_row_separator_func(self, callback, user_data) Gtk.ComboBox.set_row_separator_func = combo_row_separator_func # ComboBoxEntry class ComboBoxEntry(Gtk.ComboBox): def __init__(self, **kwds): Gtk.ComboBox.__init__(self, has_entry=True, **kwds) def set_text_column(self, text_column): self.set_entry_text_column(text_column) def get_text_column(self): return self.get_entry_text_column() Gtk.ComboBoxEntry = ComboBoxEntry def combo_box_entry_new(): return Gtk.ComboBoxEntry() Gtk.combo_box_entry_new = combo_box_entry_new def combo_box_entry_new_with_model(model): return Gtk.ComboBoxEntry(model=model) Gtk.combo_box_entry_new_with_model = combo_box_entry_new_with_model # Container def install_child_property(container, flag, pspec): warnings.warn('install_child_property() is not supported', gi.PyGIDeprecationWarning, stacklevel=2) Gtk.Container.install_child_property = classmethod(install_child_property) def new_text(): combo = Gtk.ComboBox() model = Gtk.ListStore(str) combo.set_model(model) combo.set_entry_text_column(0) return combo Gtk.combo_box_new_text = new_text def append_text(self, text): model = self.get_model() model.append([text]) Gtk.ComboBox.append_text = append_text Gtk.expander_new_with_mnemonic = Gtk.Expander.new_with_mnemonic Gtk.icon_theme_get_default = Gtk.IconTheme.get_default Gtk.image_new_from_pixbuf = Gtk.Image.new_from_pixbuf Gtk.image_new_from_stock = Gtk.Image.new_from_stock Gtk.image_new_from_animation = Gtk.Image.new_from_animation Gtk.image_new_from_icon_set = Gtk.Image.new_from_icon_set Gtk.image_new_from_file = Gtk.Image.new_from_file Gtk.settings_get_default = Gtk.Settings.get_default Gtk.window_set_default_icon = Gtk.Window.set_default_icon try: Gtk.clipboard_get = Gtk.Clipboard.get except AttributeError: pass # AccelGroup Gtk.AccelGroup.connect_group = Gtk.AccelGroup.connect # StatusIcon Gtk.status_icon_position_menu = Gtk.StatusIcon.position_menu Gtk.StatusIcon.set_tooltip = Gtk.StatusIcon.set_tooltip_text # Scale orig_HScale = Gtk.HScale orig_VScale = Gtk.VScale class HScale(orig_HScale): def __init__(self, adjustment=None): orig_HScale.__init__(self, adjustment=adjustment) Gtk.HScale = HScale class VScale(orig_VScale): def __init__(self, adjustment=None): orig_VScale.__init__(self, adjustment=adjustment) Gtk.VScale = VScale Gtk.stock_add = lambda items: None # Widget Gtk.Widget.window = property(fget=Gtk.Widget.get_window) Gtk.widget_get_default_direction = Gtk.Widget.get_default_direction orig_size_request = Gtk.Widget.size_request def size_request(widget): class SizeRequest(UserList): def __init__(self, req): self.height = req.height self.width = req.width UserList.__init__(self, [self.width, self.height]) return SizeRequest(orig_size_request(widget)) Gtk.Widget.size_request = size_request Gtk.Widget.hide_all = Gtk.Widget.hide class BaseGetter(object): def __init__(self, context): self.context = context def __getitem__(self, state): color = self.context.get_background_color(state) return Gdk.Color(red=int(color.red * 65535), green=int(color.green * 65535), blue=int(color.blue * 65535)) class Styles(object): def __init__(self, widget): context = widget.get_style_context() self.base = BaseGetter(context) self.black = Gdk.Color(red=0, green=0, blue=0) class StyleDescriptor(object): def __get__(self, instance, class_): return Styles(instance) Gtk.Widget.style = StyleDescriptor() # TextView orig_text_view_scroll_to_mark = Gtk.TextView.scroll_to_mark def text_view_scroll_to_mark(self, mark, within_margin, use_align=False, xalign=0.5, yalign=0.5): return orig_text_view_scroll_to_mark(self, mark, within_margin, use_align, xalign, yalign) Gtk.TextView.scroll_to_mark = text_view_scroll_to_mark # Window orig_set_geometry_hints = Gtk.Window.set_geometry_hints def set_geometry_hints(self, geometry_widget=None, min_width=-1, min_height=-1, max_width=-1, max_height=-1, base_width=-1, base_height=-1, width_inc=-1, height_inc=-1, min_aspect=-1.0, max_aspect=-1.0): geometry = Gdk.Geometry() geom_mask = Gdk.WindowHints(0) if min_width >= 0 or min_height >= 0: geometry.min_width = max(min_width, 0) geometry.min_height = max(min_height, 0) geom_mask |= Gdk.WindowHints.MIN_SIZE if max_width >= 0 or max_height >= 0: geometry.max_width = max(max_width, 0) geometry.max_height = max(max_height, 0) geom_mask |= Gdk.WindowHints.MAX_SIZE if base_width >= 0 or base_height >= 0: geometry.base_width = max(base_width, 0) geometry.base_height = max(base_height, 0) geom_mask |= Gdk.WindowHints.BASE_SIZE if width_inc >= 0 or height_inc >= 0: geometry.width_inc = max(width_inc, 0) geometry.height_inc = max(height_inc, 0) geom_mask |= Gdk.WindowHints.RESIZE_INC if min_aspect >= 0.0 or max_aspect >= 0.0: if min_aspect <= 0.0 or max_aspect <= 0.0: raise TypeError("aspect ratios must be positive") geometry.min_aspect = min_aspect geometry.max_aspect = max_aspect geom_mask |= Gdk.WindowHints.ASPECT return orig_set_geometry_hints(self, geometry_widget, geometry, geom_mask) Gtk.Window.set_geometry_hints = set_geometry_hints Gtk.window_list_toplevels = Gtk.Window.list_toplevels Gtk.window_set_default_icon_name = Gtk.Window.set_default_icon_name # gtk.unixprint class UnixPrint(object): pass unixprint = UnixPrint() sys.modules['gtkunixprint'] = unixprint # gtk.keysyms with warnings.catch_warnings(): warnings.simplefilter('ignore', category=RuntimeWarning) from gi.overrides import keysyms sys.modules['gtk.keysyms'] = keysyms Gtk.keysyms = keysyms from . import generictreemodel Gtk.GenericTreeModel = generictreemodel.GenericTreeModel def enable_vte(): gi.require_version('Vte', '0.0') from gi.repository import Vte sys.modules['vte'] = Vte def enable_poppler(): gi.require_version('Poppler', '0.18') from gi.repository import Poppler sys.modules['poppler'] = Poppler Poppler.pypoppler_version = (1, 0, 0) def enable_webkit(version='1.0'): gi.require_version('WebKit', version) from gi.repository import WebKit sys.modules['webkit'] = WebKit WebKit.WebView.get_web_inspector = WebKit.WebView.get_inspector def enable_gudev(): gi.require_version('GUdev', '1.0') from gi.repository import GUdev sys.modules['gudev'] = GUdev def enable_gst(): gi.require_version('Gst', '0.10') from gi.repository import Gst sys.modules['gst'] = Gst _install_enums(Gst) Gst.registry_get_default = Gst.Registry.get_default Gst.element_register = Gst.Element.register Gst.element_factory_make = Gst.ElementFactory.make Gst.caps_new_any = Gst.Caps.new_any Gst.get_pygst_version = lambda: (0, 10, 19) Gst.get_gst_version = lambda: (0, 10, 40) from gi.repository import GstInterfaces sys.modules['gst.interfaces'] = GstInterfaces _install_enums(GstInterfaces) from gi.repository import GstAudio sys.modules['gst.audio'] = GstAudio _install_enums(GstAudio) from gi.repository import GstVideo sys.modules['gst.video'] = GstVideo _install_enums(GstVideo) from gi.repository import GstBase sys.modules['gst.base'] = GstBase _install_enums(GstBase) Gst.BaseTransform = GstBase.BaseTransform Gst.BaseSink = GstBase.BaseSink from gi.repository import GstController sys.modules['gst.controller'] = GstController _install_enums(GstController, dest=Gst) from gi.repository import GstPbutils sys.modules['gst.pbutils'] = GstPbutils _install_enums(GstPbutils) def enable_goocanvas(): gi.require_version('GooCanvas', '2.0') from gi.repository import GooCanvas sys.modules['goocanvas'] = GooCanvas _install_enums(GooCanvas, strip='GOO_CANVAS_') GooCanvas.ItemSimple = GooCanvas.CanvasItemSimple GooCanvas.Item = GooCanvas.CanvasItem GooCanvas.Image = GooCanvas.CanvasImage GooCanvas.Group = GooCanvas.CanvasGroup GooCanvas.Rect = GooCanvas.CanvasRect