5 files changed, 56 insertions, 10 deletions
diff --git a/source/blender/editors/include/ED_anim_api.h b/source/blender/editors/include/ED_anim_api.h
index 6342a8b26d9..cd68981dee3 100644
--- a/source/blender/editors/include/ED_anim_api.h
+++ b/source/blender/editors/include/ED_anim_api.h
@@ -403,7 +403,8 @@ typedef enum eAnimFilter_Flags {
 /* -------------- Channel Defines -------------- */
 
 /* channel heights */
-#define ACHANNEL_FIRST_TOP(ac) (-0.4f * (ac)->yscale_fac * U.widget_unit)
+#define ACHANNEL_FIRST_TOP(ac) \
+  (UI_view2d_scale_get_y(&(ac)->ar->v2d) * -UI_SCRUBBING_MARGIN_Y - ACHANNEL_SKIP)
 #define ACHANNEL_HEIGHT(ac) (0.8f * (ac)->yscale_fac * U.widget_unit)
 #define ACHANNEL_SKIP (0.1f * U.widget_unit)
 #define ACHANNEL_STEP(ac) (ACHANNEL_HEIGHT(ac) + ACHANNEL_SKIP)
@@ -420,14 +421,15 @@ typedef enum eAnimFilter_Flags {
 /* -------------- NLA Channel Defines -------------- */
 
 /* NLA channel heights */
-#define NLACHANNEL_FIRST_TOP(snla) (-0.4f * U.widget_unit)
+#define NLACHANNEL_FIRST_TOP(ac) \
+  (UI_view2d_scale_get_y(&(ac)->ar->v2d) * -UI_SCRUBBING_MARGIN_Y - NLACHANNEL_SKIP)
 #define NLACHANNEL_HEIGHT(snla) \
   ((snla && (snla->flag & SNLA_NOSTRIPCURVES)) ? (0.8f * U.widget_unit) : (1.2f * U.widget_unit))
 #define NLACHANNEL_SKIP (0.1f * U.widget_unit)
 #define NLACHANNEL_STEP(snla) (NLACHANNEL_HEIGHT(snla) + NLACHANNEL_SKIP)
 /* Additional offset to give some room at the end. */
-#define NLACHANNEL_TOT_HEIGHT(snla, item_amount) \
-  (-NLACHANNEL_FIRST_TOP(snla) + NLACHANNEL_STEP(snla) * (item_amount + 1))
+#define NLACHANNEL_TOT_HEIGHT(ac, item_amount) \
+  (-NLACHANNEL_FIRST_TOP(ac) + NLACHANNEL_STEP(((SpaceNla *)(ac)->sl)) * (item_amount + 1))
 
 /* channel widths */
 #define NLACHANNEL_NAMEWIDTH (10 * U.widget_unit)
diff --git a/source/blender/editors/include/ED_screen.h b/source/blender/editors/include/ED_screen.h
index 264eb6abdf1..6734342b880 100644
--- a/source/blender/editors/include/ED_screen.h
+++ b/source/blender/editors/include/ED_screen.h
@@ -436,12 +436,11 @@ enum {
   ED_KEYMAP_GIZMO = (1 << 2),
   ED_KEYMAP_TOOL = (1 << 3),
   ED_KEYMAP_VIEW2D = (1 << 4),
-  ED_KEYMAP_MARKERS = (1 << 5),
-  ED_KEYMAP_ANIMATION = (1 << 6),
-  ED_KEYMAP_FRAMES = (1 << 7),
-  ED_KEYMAP_HEADER = (1 << 8),
-  ED_KEYMAP_GPENCIL = (1 << 9),
-  ED_KEYMAP_FOOTER = (1 << 10),
+  ED_KEYMAP_ANIMATION = (1 << 5),
+  ED_KEYMAP_FRAMES = (1 << 6),
+  ED_KEYMAP_HEADER = (1 << 7),
+  ED_KEYMAP_GPENCIL = (1 << 8),
+  ED_KEYMAP_FOOTER = (1 << 9),
 };
 
 /* SCREEN_OT_space_context_cycle direction */
diff --git a/source/blender/editors/include/ED_scrubbing.h b/source/blender/editors/include/ED_scrubbing.h
new file mode 100644
index 00000000000..cc225723f64
--- /dev/null
+++ b/source/blender/editors/include/ED_scrubbing.h
@@ -0,0 +1,40 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2019 Blender Foundation.
+ * All rights reserved.
+ */
+
+/** \file
+ * \ingroup editors
+ */
+
+#ifndef __ED_SCRUBBING_H__
+#define __ED_SCRUBBING_H__
+
+struct bContext;
+struct View2DGrid;
+struct bDopeSheet;
+
+void ED_scrubbing_draw(const struct ARegion *ar,
+                       const struct Scene *scene,
+                       bool display_seconds,
+                       bool discrete_frames);
+
+void ED_channel_search_draw(const struct bContext *C,
+                            struct ARegion *ar,
+                            struct bDopeSheet *dopesheet);
+
+#endif /* __ED_SCRUBBING_H__ */
diff --git a/source/blender/editors/include/UI_resources.h b/source/blender/editors/include/UI_resources.h
index af94889a1bb..0c2090b2c91 100644
--- a/source/blender/editors/include/UI_resources.h
+++ b/source/blender/editors/include/UI_resources.h
@@ -105,6 +105,7 @@ typedef enum ThemeColorID {
   TH_FACE_DOT,
   TH_FACEDOT_SIZE,
   TH_CFRAME,
+  TH_SCRUBBING_BACKGROUND,
   TH_TIME_KEYFRAME,
   TH_TIME_GP_KEYFRAME,
   TH_NURB_ULINE,
@@ -267,6 +268,8 @@ typedef enum ThemeColorID {
   TH_ICON_MODIFIER,
   TH_ICON_SHADING,
 
+  TH_SCROLL_TEXT,
+
   TH_NLA_TWEAK,       /* 'tweaking' track in NLA */
   TH_NLA_TWEAK_DUPLI, /* error/warning flag for other strips referencing dupli strip */
 
diff --git a/source/blender/editors/include/UI_view2d.h b/source/blender/editors/include/UI_view2d.h
index 064951d40ed..6e9675f4c63 100644
--- a/source/blender/editors/include/UI_view2d.h
+++ b/source/blender/editors/include/UI_view2d.h
@@ -258,6 +258,8 @@ void UI_view2d_smooth_view(struct bContext *C,
                            struct ARegion *ar,
                            const struct rctf *cur,
                            const int smooth_viewtx);
+
 #define UI_MARKER_MARGIN_Y (42 * UI_DPI_FAC)
+#define UI_SCRUBBING_MARGIN_Y (23 * UI_DPI_FAC)
 
 #endif /* __UI_VIEW2D_H__ */