Sequencer: frame offset feature usability

- Expose the operator in the panel,
  (wasn't available in the UI at all).
- Offset frame was hard coded to a color matching the background.
  Use the current frame color with dashes instead.
- Overlay toggle had wrong name.

3 files changed, 12 insertions, 11 deletions

diff --git a/release/scripts/startup/bl_ui/space_sequencer.py b/release/scripts/startup/bl_ui/space_sequencer.py
index d5ef24d7ff3..a7600552cbc 100644
--- a/release/scripts/startup/bl_ui/space_sequencer.py
+++ b/release/scripts/startup/bl_ui/space_sequencer.py
@@ -243,13 +243,6 @@ class SEQUENCER_MT_view(Menu):
                     translate=False,
                 ).ratio = a / b
 
-            layout.separator()
-
-            layout.operator_context = 'INVOKE_DEFAULT'
-
-            # # XXX, invokes in the header view
-            # layout.operator("sequencer.view_ghost_border", text="Overlay Border")
-
         if is_sequencer_view:
             layout.prop(st, "show_seconds")
             layout.prop(st, "show_frame_indicator")
@@ -1843,6 +1836,11 @@ class SEQUENCER_PT_frame_overlay(SequencerButtonsPanel_Output, Panel):
 
     def draw(self, context):
         layout = self.layout
+
+        layout.operator_context = 'INVOKE_REGION_PREVIEW'
+        layout.operator("sequencer.view_ghost_border", text="Set Overlay Region")
+        layout.operator_context = 'INVOKE_DEFAULT'
+
         layout.use_property_split = True
         layout.use_property_decorate = False
 
diff --git a/source/blender/editors/space_sequencer/sequencer_draw.c b/source/blender/editors/space_sequencer/sequencer_draw.c
index ea815bd5456..07350b5269e 100644
--- a/source/blender/editors/space_sequencer/sequencer_draw.c
+++ b/source/blender/editors/space_sequencer/sequencer_draw.c
@@ -2076,9 +2076,11 @@ void draw_timeline_seq(const bContext *C, ARegion *ar)
                         scene->r.cfra + scene->ed->over_ofs;
 
     uint pos = GPU_vertformat_attr_add(immVertexFormat(), "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
-    immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
+    immBindBuiltinProgram(GPU_SHADER_3D_LINE_DASHED_UNIFORM_COLOR);
 
-    immUniformColor3f(0.2f, 0.2f, 0.2f);
+    immUniform1f("dash_width", 20.0f * U.pixelsize);
+    immUniform1f("dash_factor", 0.5f);
+    immUniformThemeColor(TH_CFRAME);
 
     immBegin(GPU_PRIM_LINES, 2);
     immVertex2f(pos, cfra_over, v2d->cur.ymin);
diff --git a/source/blender/makesrna/intern/rna_sequencer.c b/source/blender/makesrna/intern/rna_sequencer.c
index c1ef31a80cd..80a4defba00 100644
--- a/source/blender/makesrna/intern/rna_sequencer.c
+++ b/source/blender/makesrna/intern/rna_sequencer.c
@@ -1853,7 +1853,8 @@ static void rna_def_editor(BlenderRNA *brna)
 
   prop = RNA_def_property(srna, "show_overlay", PROP_BOOLEAN, PROP_NONE);
   RNA_def_property_boolean_sdna(prop, NULL, "over_flag", SEQ_EDIT_OVERLAY_SHOW);
-  RNA_def_property_ui_text(prop, "Draw Axes", "Partial overlay on top of the sequencer");
+  RNA_def_property_ui_text(
+      prop, "Show Overlay", "Partial overlay on top of the sequencer with a frame offset");
   RNA_def_property_update(prop, NC_SPACE | ND_SPACE_SEQUENCER, NULL);
 
   prop = RNA_def_property(srna, "use_overlay_lock", PROP_BOOLEAN, PROP_NONE);
@@ -1864,7 +1865,7 @@ static void rna_def_editor(BlenderRNA *brna)
 
   /* access to fixed and relative frame */
   prop = RNA_def_property(srna, "overlay_frame", PROP_INT, PROP_NONE);
-  RNA_def_property_ui_text(prop, "Overlay Offset", "");
+  RNA_def_property_ui_text(prop, "Overlay Offset", "Number of frames to offset");
   RNA_def_property_int_funcs(
       prop, "rna_SequenceEditor_overlay_frame_get", "rna_SequenceEditor_overlay_frame_set", NULL);
   RNA_def_property_update(prop, NC_SPACE | ND_SPACE_SEQUENCER, NULL);