[Bf-blender-cvs] [e15f85f23dd] master: UI: Avoid rebuilding outliner tree when changing area size

[Julian Eisel]

Commit: e15f85f23dd33a91a9a386c23cbc80ecea3f9ac1
Author: Julian Eisel
Date:   Wed Jun 17 20:21:15 2020 +0200
Branches: master
https://developer.blender.org/rBe15f85f23dd33a91a9a386c23cbc80ecea3f9ac1

UI: Avoid rebuilding outliner tree when changing area size

In big files, ie typical production files, resizing the outliner area would be
very slow. The outliner tree would be rebuilt then, which can easily be avoided.

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

M	source/blender/editors/screen/area.c
M	source/blender/editors/screen/screen_ops.c

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

diff --git a/source/blender/editors/screen/area.c b/source/blender/editors/screen/area.c
index 5ea02de1e45..1adf7f84bbf 100644
--- a/source/blender/editors/screen/area.c
+++ b/source/blender/editors/screen/area.c
@@ -1556,7 +1556,14 @@ static void region_rect_recursive(
 
   /* Tag for redraw if size changes. */
   if (region->winx != prev_winx || region->winy != prev_winy) {
-    ED_region_tag_redraw(region);
+    /* 3D View needs a full rebuild in case a progressive render runs. Rest can live with
+     * no-rebuild (e.g. Outliner) */
+    if (area->spacetype == SPACE_VIEW3D) {
+      ED_region_tag_redraw(region);
+    }
+    else {
+      ED_region_tag_redraw_no_rebuild(region);
+    }
   }
 
   /* Clear, initialize on demand. */
diff --git a/source/blender/editors/screen/screen_ops.c b/source/blender/editors/screen/screen_ops.c
index 1d03b277549..37a8880e7a1 100644
--- a/source/blender/editors/screen/screen_ops.c
+++ b/source/blender/editors/screen/screen_ops.c
@@ -1761,7 +1761,7 @@ static void area_move_apply_do(const bContext *C,
           screen->do_refresh = true;
           redraw_all = true;
         }
-        ED_area_tag_redraw(area);
+        ED_area_tag_redraw_no_rebuild(area);
       }
     }
     if (redraw_all) {