added CTX_wm_operator_poll_msg_get/set so failing poll functions can set messages when poll fails, at the moment only python uses this but theres nothing python specific.

only added 1 message to a poll function, so messages still need to be set in many more places to be useful.

1 files changed, 11 insertions, 0 deletions

diff --git a/source/blender/blenkernel/intern/context.c b/source/blender/blenkernel/intern/context.c
index 7928424e47c..a5d96baf049 100644
--- a/source/blender/blenkernel/intern/context.c
+++ b/source/blender/blenkernel/intern/context.c
@@ -64,6 +64,7 @@ struct bContext {
 		struct ARegion *region;
 		struct ARegion *menu;
 		struct bContextStore *store;
+		const char *operator_poll_msg; /* reason for poll failing */
 	} wm;
 	
 	/* data context */
@@ -399,6 +400,16 @@ void CTX_wm_menu_set(bContext *C, ARegion *menu)
 	C->wm.menu= menu;
 }
 
+void CTX_wm_operator_poll_msg_set(bContext *C, const char *msg)
+{
+	C->wm.operator_poll_msg= msg;
+}
+
+const char *CTX_wm_operator_poll_msg_get(bContext *C)
+{
+	return C->wm.operator_poll_msg;
+}
+
 /* data context utility functions */
 
 struct bContextDataResult {