Fix T44011: Ruler/Knife/Loop-cut fail in quad-view

This is a kind of sloppy-focus,
resolving long standing bug with loop-cut/knife/ruler /w quad-view.

Where activating a tool would lock onto one of quad-views,
especially problematic when activating from the toolbar or menus.

2 files changed, 10 insertions, 2 deletions

diff --git a/source/blender/makesdna/DNA_screen_types.h b/source/blender/makesdna/DNA_screen_types.h
index 13365adeb58..eb76c90c0fc 100644
--- a/source/blender/makesdna/DNA_screen_types.h
+++ b/source/blender/makesdna/DNA_screen_types.h
@@ -374,6 +374,8 @@ enum {
 	RGN_TYPE_TOOL_PROPS = 6,
 	RGN_TYPE_PREVIEW = 7
 };
+/* use for function args */
+#define RGN_TYPE_ANY -1
 
 /* region alignment */
 #define RGN_ALIGN_NONE		0
diff --git a/source/blender/makesdna/DNA_windowmanager_types.h b/source/blender/makesdna/DNA_windowmanager_types.h
index 4aa49eea2e8..51ed8bb6c0d 100644
--- a/source/blender/makesdna/DNA_windowmanager_types.h
+++ b/source/blender/makesdna/DNA_windowmanager_types.h
@@ -390,10 +390,16 @@ enum {
 
 /* wmOperator flag */
 enum {
-	OP_IS_MODAL_GRAB_CURSOR    = (1 << 0),
 	/* low level flag so exec() operators can tell if they were invoked, use with care.
 	 * typically this shouldn't make any difference, but it rare cases its needed (see smooth-view) */
-	OP_IS_INVOKE       = (1 << 1),
+	OP_IS_INVOKE = (1 << 0),
+
+	/* When the cursor is grabbed */
+	OP_IS_MODAL_GRAB_CURSOR    = (1 << 1),
+
+	/* allow modal operators to have the region under the cursor for their context
+	 * (the regiontype is maintained to prevent errors) */
+	OP_IS_MODAL_CURSOR_REGION = (1 << 2),
 };
 
 #endif /* __DNA_WINDOWMANAGER_TYPES_H__ */