UI: Eyedropper for view-depth

Currently this is mainly useful for picking camera DOF depth.

- EKey over a distance field prompts you to pick a depth from the camera.
- WKey (Specials menu) to pick from the 3D view (when the active camera's selected).

1 files changed, 10 insertions, 6 deletions

diff --git a/release/scripts/startup/bl_ui/space_view3d.py b/release/scripts/startup/bl_ui/space_view3d.py
index 3ee5e17dd08..1db3aa0d144 100644
--- a/release/scripts/startup/bl_ui/space_view3d.py
+++ b/release/scripts/startup/bl_ui/space_view3d.py
@@ -1169,12 +1169,16 @@ class VIEW3D_MT_object_specials(Menu):
                 props.header_text = "Camera Lens Scale: %.3f"
 
             if not obj.data.dof_object:
-                #layout.label(text="Test Has DOF obj");
-                props = layout.operator("wm.context_modal_mouse", text="DOF Distance")
-                props.data_path_iter = "selected_editable_objects"
-                props.data_path_item = "data.dof_distance"
-                props.input_scale = 0.02
-                props.header_text = "DOF Distance: %.3f"
+                view = context.space_data
+                if view and view.camera == obj and view.region_3d.view_perspective == 'CAMERA':
+                    props = layout.operator("ui.eyedropper_depth", text="DOF Distance (Pick)")
+                else:
+                    props = layout.operator("wm.context_modal_mouse", text="DOF Distance")
+                    props.data_path_iter = "selected_editable_objects"
+                    props.data_path_item = "data.dof_distance"
+                    props.input_scale = 0.02
+                    props.header_text = "DOF Distance: %.3f"
+                del view
 
         if obj.type in {'CURVE', 'FONT'}:
             layout.operator_context = 'INVOKE_REGION_WIN'