[Bf-blender-cvs] [6bb825e0837] master: Fix T54580: Pointer buttons skip undo push

[Campbell Barton]

Commit: 6bb825e0837e5e090c32567d335fe677e33e5ab0
Author: Campbell Barton
Date:   Mon Dec 3 18:43:33 2018 +1100
Branches: master
https://developer.blender.org/rB6bb825e0837e5e090c32567d335fe677e33e5ab0

Fix T54580: Pointer buttons skip undo push

===================================================================

M	source/blender/editors/interface/interface.c

===================================================================

diff --git a/source/blender/editors/interface/interface.c b/source/blender/editors/interface/interface.c
index 3188829bf31..ab87e1dda55 100644
--- a/source/blender/editors/interface/interface.c
+++ b/source/blender/editors/interface/interface.c
@@ -3580,8 +3580,16 @@ static uiBut *ui_def_but_rna(
 		ui_def_but_icon(but, icon, UI_HAS_ICON);
 	}
 
-	if ((type == UI_BTYPE_MENU) && (but->dt == UI_EMBOSS_PULLDOWN)) {
-		but->flag |= UI_BUT_ICON_SUBMENU;
+	if (type == UI_BTYPE_MENU) {
+		if (but->dt == UI_EMBOSS_PULLDOWN) {
+			but->flag |= UI_BUT_ICON_SUBMENU;
+		}
+	}
+	else if (type == UI_BTYPE_SEARCH_MENU) {
+		if (proptype == PROP_POINTER) {
+			/* Search buttons normally don't get undo, see: T54580. */
+			but->flag |= UI_BUT_UNDO;
+		}
 	}
 
 	const char *info;