UI: Add support for popups to refresh their layput (D578)

This is needed for popups to chance state once activated,
currently it makes use of operators `check` callback, after values are modified,
as the file selector does already.

2 files changed, 3 insertions, 0 deletions

diff --git a/source/blender/editors/include/ED_screen.h b/source/blender/editors/include/ED_screen.h
index 060702f6d71..d31be3e961f 100644
--- a/source/blender/editors/include/ED_screen.h
+++ b/source/blender/editors/include/ED_screen.h
@@ -60,6 +60,7 @@ void    ED_region_init(struct bContext *C, struct ARegion *ar);
 void    ED_region_tag_redraw(struct ARegion *ar);
 void    ED_region_tag_redraw_partial(struct ARegion *ar, struct rcti *rct);
 void    ED_region_tag_redraw_overlay(struct ARegion *ar);
+void    ED_region_tag_refresh_ui(struct ARegion *ar);
 void    ED_region_panels_init(struct wmWindowManager *wm, struct ARegion *ar);
 void    ED_region_panels(const struct bContext *C, struct ARegion *ar, int vertical, const char *context, int contextnr);
 void    ED_region_header_init(struct ARegion *ar);
diff --git a/source/blender/editors/include/UI_interface.h b/source/blender/editors/include/UI_interface.h
index 8de9650ddef..480e8f1e7b8 100644
--- a/source/blender/editors/include/UI_interface.h
+++ b/source/blender/editors/include/UI_interface.h
@@ -380,8 +380,10 @@ void uiPupBlockClose(struct bContext *C, uiBlock *block);
  * */
 
 uiBlock *uiBeginBlock(const struct bContext *C, struct ARegion *region, const char *name, short dt);
+void uiEndBlock_ex(const struct bContext *C, uiBlock *block, const int xy[2]);
 void uiEndBlock(const struct bContext *C, uiBlock *block);
 void uiDrawBlock(const struct bContext *C, struct uiBlock *block);
+void uiBlockUpdateFromOld(const struct bContext *C, struct uiBlock *block);
 
 uiBlock *uiGetBlock(const char *name, struct ARegion *ar);