UI: Scrollbar Behavior Changes

Changes to scrollbars so that they are always visible, but thin and
dim, and widen and become more visible as your mouse approaches.

See D6505 for details and examples.

Differential Revision: https://developer.blender.org/D6505

Reviewed by Campbell Barton

1 files changed, 6 insertions, 1 deletions

diff --git a/source/blender/editors/interface/interface_region_hud.cc b/source/blender/editors/interface/interface_region_hud.cc
index d6166694a4a..aca36686dea 100644
--- a/source/blender/editors/interface/interface_region_hud.cc
+++ b/source/blender/editors/interface/interface_region_hud.cc
@@ -143,6 +143,11 @@ static void hud_panels_register(ARegionType *art, int space_type, int region_typ
 static void hud_region_init(wmWindowManager *wm, ARegion *region)
 {
   ED_region_panels_init(wm, region);
+
+  /* Reset zoom from panels init because we don't want zoom allowed for redo panel. */
+  region->v2d.maxzoom = 1.0f;
+  region->v2d.minzoom = 1.0f;
+
   UI_region_handlers_add(&region->handlers);
   region->flag |= RGN_FLAG_TEMP_REGIONDATA;
 }
@@ -251,7 +256,7 @@ static ARegion *hud_region_add(ScrArea *area)
   if (region_win) {
     float x, y;
 
-    UI_view2d_scroller_size_get(&region_win->v2d, &x, &y);
+    UI_view2d_scroller_size_get(&region_win->v2d, true, &x, &y);
     region->runtime.offset_x = x;
     region->runtime.offset_y = y;
   }