From 9de320d8829157116878e078eb7801f306d242b6 Mon Sep 17 00:00:00 2001
From: Antonioya <blendergit@gmail.com>
Date: Mon, 27 Aug 2018 16:29:19 +0200
Subject: GP: New operator to copy layers between objects

The operator allows to copy a complete layer with all frames or only active frame to a new object.

Can be found in edit specials menu (W key) or in Layers specials menu (last button near layer list).
---
 .../startup/bl_ui/properties_data_gpencil.py       |  3 +++
 release/scripts/startup/bl_ui/space_view3d.py      | 26 ++++++++++++++++++++++
 2 files changed, 29 insertions(+)

(limited to 'release/scripts/startup')

diff --git a/release/scripts/startup/bl_ui/properties_data_gpencil.py b/release/scripts/startup/bl_ui/properties_data_gpencil.py
index a63a8e10c08..601c014bb48 100644
--- a/release/scripts/startup/bl_ui/properties_data_gpencil.py
+++ b/release/scripts/startup/bl_ui/properties_data_gpencil.py
@@ -124,6 +124,9 @@ class GPENCIL_MT_layer_specials(Menu):
 
         layout.operator("gpencil.layer_merge", icon='NLA', text="Merge Down")
 
+        layout.separator()
+        layout.menu("VIEW3D_MT_gpencil_copy_layer")
+
 
 class DATA_PT_gpencil_datapanel(Panel):
     bl_space_type = 'PROPERTIES'
diff --git a/release/scripts/startup/bl_ui/space_view3d.py b/release/scripts/startup/bl_ui/space_view3d.py
index 35fb3afb5a6..7f56e2841ae 100644
--- a/release/scripts/startup/bl_ui/space_view3d.py
+++ b/release/scripts/startup/bl_ui/space_view3d.py
@@ -3573,6 +3573,28 @@ class VIEW3D_MT_assign_material(Menu):
             layout.operator("gpencil.stroke_change_color", text=mat.name).material = mat.name
 
 
+class VIEW3D_MT_gpencil_copy_layer(Menu):
+    bl_label = "Copy Layer to Object"
+
+    def draw(self, context):
+        layout = self.layout
+        view_layer = context.view_layer
+        obact = context.active_object
+        gpl = context.active_gpencil_layer
+
+        done = False
+        if gpl is not None:
+            for ob in view_layer.objects:
+                if ob.type == 'GPENCIL' and ob != obact:
+                    layout.operator("gpencil.layer_duplicate_object", text=ob.name).object = ob.name
+                    done = True
+
+            if done is False:
+                layout.label("No destination object", icon="ERROR")
+        else:
+            layout.label("No layer to copy", icon="ERROR")
+
+
 class VIEW3D_MT_edit_gpencil(Menu):
     bl_label = "Strokes"
 
@@ -4954,6 +4976,9 @@ class VIEW3D_MT_gpencil_edit_specials(Menu):
         layout.separator()
         layout.operator_menu_enum("gpencil.stroke_arrange", "direction", text="Arrange Strokes")
 
+        layout.separator()
+        layout.menu("VIEW3D_MT_gpencil_copy_layer")
+
         layout.separator()
 
         layout.operator("gpencil.stroke_join", text="Join").type = 'JOIN'
@@ -5105,6 +5130,7 @@ classes = (
     VIEW3D_MT_weight_gpencil,
     VIEW3D_MT_gpencil_animation,
     VIEW3D_MT_gpencil_simplify,
+    VIEW3D_MT_gpencil_copy_layer,
     VIEW3D_MT_edit_curve,
     VIEW3D_MT_edit_curve_ctrlpoints,
     VIEW3D_MT_edit_curve_segments,
-- 
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