initial commit

deps/inkex/gui/__init__.py

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+#
+# Copyright 2011-2022 Martin Owens <doctormo@geek-2.com>
+#
+# 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, either version 3 of the License, or
+#  (at your option) any later version.
+#
+#  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.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program.  If not, see <http://www.gnu.org/licenses/>
+#
+# pylint: disable=wrong-import-position
+"""
+This is a wrapper layer to make interacting with Gtk a little less painful.
+The main issues with Gtk is that it expects an awful lot of the developer,
+code which is repeated over and over and patterns which every single developer
+will use are not given easy to use convenience functions.
+
+This makes Gtk programming WET, unattractive and error prone. This module steps
+inbetween and adds in all those missing bits. It's not meant to replace Gtk and
+certainly it's possible to use Gtk and threading directly.
+
+.. versionadded:: 1.2
+"""
+
+import os
+import sys
+import logging
+import threading
+
+from ..utils import DependencyError
+
+try:
+    import gi
+
+    gi.require_version("Gtk", "4.0")
+
+    # Importing while covering stderr because pygobject has broken
+    # warnings support and will force import warnings on our users.
+    tmp, sys.stderr = sys.stderr, None  # type: ignore
+    from gi.repository import Gtk, GLib
+
+    sys.stderr = tmp  # type: ignore
+except ImportError:  # pragma: no cover
+    raise DependencyError(
+        "You are missing the required libraries for Gtk."
+        " Please report this problem to the Inkscape developers."
+    )
+
+from .app import GtkApp
+from .window import Window
+from .listview import TreeView, IconView, ViewColumn, ViewSort, Separator
+from .pixmap import PixmapManager