Gizmo: de-duplicate poll logic

Checking the active tool or operator was a common way to check
if the gizmo was still in use.

1 files changed, 42 insertions, 0 deletions

diff --git a/source/blender/editors/include/ED_gizmo_utils.h b/source/blender/editors/include/ED_gizmo_utils.h
new file mode 100644
index 00000000000..16b460f6ba5
--- /dev/null
+++ b/source/blender/editors/include/ED_gizmo_utils.h
@@ -0,0 +1,42 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * 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 2
+ * 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, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file ED_gizmo_utils.h
+ *  \ingroup editors
+ *
+ * \name Generic Gizmo Utilities.
+ */
+
+#ifndef __ED_GIZMO_UTILS_H__
+#define __ED_GIZMO_UTILS_H__
+
+struct bContext;
+struct wmGizmoGroupType;
+
+/** Wrapper function (operator name can't be guessed). */
+bool ED_gizmo_poll_or_unlink_delayed_from_operator(
+        const struct bContext *C, struct wmGizmoGroupType *gzgt,
+        const char *idname);
+
+/** Use this as poll function directly for: #wmGizmoGroupType.poll */
+bool ED_gizmo_poll_or_unlink_delayed_from_tool(
+        const bContext *C, struct wmGizmoGroupType *gzgt);
+
+#endif  /* __ED_GIZMO_UTILS_H__ */