1 files changed, 81 insertions, 0 deletions
diff --git a/app/plug-in/gimpplugin-context.c b/app/plug-in/gimpplugin-context.c
new file mode 100644
index 0000000..6817695
--- /dev/null
+++ b/app/plug-in/gimpplugin-context.c
@@ -0,0 +1,81 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpplugin-context.c
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <gegl.h>
+
+#include "plug-in-types.h"
+
+#include "core/gimp.h"
+
+#include "pdb/gimppdbcontext.h"
+
+#include "gimpplugin.h"
+#include "gimpplugin-context.h"
+#include "gimppluginmanager.h"
+
+
+gboolean
+gimp_plug_in_context_push (GimpPlugIn *plug_in)
+{
+  GimpPlugInProcFrame *proc_frame;
+  GimpContext         *parent;
+  GimpContext         *context;
+
+  g_return_val_if_fail (GIMP_IS_PLUG_IN (plug_in), FALSE);
+
+  proc_frame = gimp_plug_in_get_proc_frame (plug_in);
+
+  if (proc_frame->context_stack)
+    parent = proc_frame->context_stack->data;
+  else
+    parent = proc_frame->main_context;
+
+  context = gimp_pdb_context_new (plug_in->manager->gimp, parent, FALSE);
+
+  proc_frame->context_stack = g_list_prepend (proc_frame->context_stack,
+                                              context);
+
+  return TRUE;
+}
+
+gboolean
+gimp_plug_in_context_pop (GimpPlugIn *plug_in)
+{
+  GimpPlugInProcFrame *proc_frame;
+
+  g_return_val_if_fail (GIMP_IS_PLUG_IN (plug_in), FALSE);
+
+  proc_frame = gimp_plug_in_get_proc_frame (plug_in);
+
+  if (proc_frame->context_stack)
+    {
+      GimpContext *context = proc_frame->context_stack->data;
+
+      proc_frame->context_stack = g_list_remove (proc_frame->context_stack,
+                                                 context);
+      g_object_unref (context);
+
+      return TRUE;
+    }
+
+  return FALSE;
+}