Commit: 769c9a2363ed7dae5fceeea1f94e685482719901
Author: Campbell Barton
Date:   Wed Feb 14 08:39:10 2018 +1100
Branches: blender2.8
https://developer.blender.org/rB769c9a2363ed7dae5fceeea1f94e685482719901

Object Mode: remove Scene.obedit

This means we can support having the same scene in different windows
with different edit-objects.

===================================================================

M       source/blender/blenkernel/intern/library_query.c
M       source/blender/blenkernel/intern/scene.c
M       source/blender/blenloader/intern/readfile.c
M       source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.cc
M       source/blender/editors/object/object_edit.c
M       source/blender/makesdna/DNA_scene_types.h
M       source/blender/makesrna/intern/rna_layer.c

===================================================================

diff --git a/source/blender/blenkernel/intern/library_query.c 
b/source/blender/blenkernel/intern/library_query.c
index 0f83dfe7ecf..419ed8246db 100644
--- a/source/blender/blenkernel/intern/library_query.c
+++ b/source/blender/blenkernel/intern/library_query.c
@@ -421,10 +421,6 @@ void BKE_library_foreach_ID_link(Main *bmain, ID *id, 
LibraryIDLinkCallback call
                                        /* nodetree **are owned by IDs**, treat 
them as mere sub-data and not real ID! */
                                        library_foreach_ID_as_subdata_link((ID 
**)&scene->nodetree, callback, user_data, flag, &data);
                                }
-                               /* DO NOT handle scene->basact here, it's 
doubling with the loop over whole scene->base later,
-                                * since basact is just a pointer to one of 
those items. */
-                               CALLBACK_INVOKE(scene->obedit, IDWALK_CB_NOP);
-
                                if (scene->ed) {
                                        Sequence *seq;
                                        SEQP_BEGIN(scene->ed, seq)
diff --git a/source/blender/blenkernel/intern/scene.c 
b/source/blender/blenkernel/intern/scene.c
index 074d7b9c90d..932f80c35d5 100644
--- a/source/blender/blenkernel/intern/scene.c
+++ b/source/blender/blenkernel/intern/scene.c
@@ -166,7 +166,6 @@ void BKE_scene_copy_data(Main *bmain, Scene *sce_dst, const 
Scene *sce_src, cons
 
        sce_dst->ed = NULL;
        sce_dst->depsgraph_hash = NULL;
-       sce_dst->obedit = NULL;
        sce_dst->fps_info = NULL;
 
        /* layers and collections */
@@ -982,9 +981,6 @@ void BKE_scene_set_background(Main *bmain, Scene *scene)
        /* check for cyclic sets, for reading old files but also for definite 
security (py?) */
        BKE_scene_validate_setscene(bmain, scene);
        
-       /* can happen when switching modes in other scenes */
-       scene->obedit = NULL;
-
        /* deselect objects (for dataselect) */
        for (ob = bmain->object.first; ob; ob = ob->id.next)
                ob->flag &= ~(SELECT | OB_FROMGROUP);
diff --git a/source/blender/blenloader/intern/readfile.c 
b/source/blender/blenloader/intern/readfile.c
index a91aeee52df..a5370313a93 100644
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -6216,7 +6216,6 @@ static void direct_link_scene(FileData *fd, Scene *sce, 
Main *bmain)
        SceneRenderLayer *srl;
        
        sce->depsgraph_hash = NULL;
-       sce->obedit = NULL;
        sce->fps_info = NULL;
        sce->customdata_mask_modal = 0;
        sce->lay_updated = 0;
diff --git a/source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.cc 
b/source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.cc
index 5daf4629708..8bdc68d9351 100644
--- a/source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.cc
+++ b/source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.cc
@@ -461,18 +461,6 @@ void update_special_pointers(const Depsgraph *depsgraph,
                        }
                        break;
                }
-               case ID_SCE:
-               {
-                       const Scene *scene_orig = (const Scene *)id_orig;
-                       Scene *scene_cow = (Scene *)id_cow;
-                       if (scene_orig->obedit != NULL) {
-                               scene_cow->obedit = (Object 
*)depsgraph->get_cow_id(&scene_orig->obedit->id);
-                       }
-                       else {
-                               scene_cow->obedit = NULL;
-                       }
-                       break;
-               }
                default:
                        break;
        }
@@ -622,13 +610,6 @@ void update_copy_on_write_scene(const Depsgraph *depsgraph,
        update_copy_on_write_view_layers(depsgraph, scene_cow, scene_orig);
        update_copy_on_write_scene_collection(scene_cow->collection,
                                              scene_orig->collection);
-       // Update edit object pointer.
-       if (scene_orig->obedit != NULL) {
-               scene_cow->obedit = (Object 
*)depsgraph->get_cow_id(&scene_orig->obedit->id);
-       }
-       else {
-               scene_cow->obedit = NULL;
-       }
        /* Synchronize active render engine. */
        BLI_strncpy(scene_cow->view_render.engine_id,
                    scene_orig->view_render.engine_id,
diff --git a/source/blender/editors/object/object_edit.c 
b/source/blender/editors/object/object_edit.c
index 03c497bcef0..c6f9ced51a3 100644
--- a/source/blender/editors/object/object_edit.c
+++ b/source/blender/editors/object/object_edit.c
@@ -286,9 +286,6 @@ void ED_object_editmode_exit_ex(bContext *C, WorkSpace 
*workspace, Scene *scene,
                ListBase pidlist;
                PTCacheID *pid;
 
-               /* for example; displist make is different in editmode */
-               scene->obedit = NULL; // XXX for context
-
                /* flag object caches as outdated */
                BKE_ptcache_ids_from_object(&pidlist, obedit, scene, 0);
                for (pid = pidlist.first; pid; pid = pid->next) {
@@ -373,8 +370,6 @@ void ED_object_editmode_enter(bContext *C, int flag)
        if (ob->type == OB_MESH) {
                BMEditMesh *em;
                ok = 1;
-               scene->obedit = ob;  /* context sees this */
-
                const bool use_key_index = mesh_needs_keyindex(ob->data);
 
                EDBM_mesh_make(scene->toolsettings, ob, use_key_index);
@@ -404,7 +399,6 @@ void ED_object_editmode_enter(bContext *C, int flag)
                        return;
                }
                ok = 1;
-               scene->obedit = ob;
                ED_armature_to_edit(arm);
                /* to ensure all goes in restposition and without striding */
                DEG_id_tag_update(&ob->id, OB_RECALC_OB | OB_RECALC_DATA | 
OB_RECALC_TIME); /* XXX: should this be OB_RECALC_DATA? */
@@ -412,21 +406,18 @@ void ED_object_editmode_enter(bContext *C, int flag)
                WM_event_add_notifier(C, NC_SCENE | ND_MODE | 
NS_EDITMODE_ARMATURE, scene);
        }
        else if (ob->type == OB_FONT) {
-               scene->obedit = ob; /* XXX for context */
                ok = 1;
                ED_curve_editfont_make(ob);
 
                WM_event_add_notifier(C, NC_SCENE | ND_MODE | NS_EDITMODE_TEXT, 
scene);
        }
        else if (ob->type == OB_MBALL) {
-               scene->obedit = ob; /* XXX for context */
                ok = 1;
                ED_mball_editmball_make(ob);
 
                WM_event_add_notifier(C, NC_SCENE | ND_MODE | 
NS_EDITMODE_MBALL, scene);
        }
        else if (ob->type == OB_LATTICE) {
-               scene->obedit = ob; /* XXX for context */
                ok = 1;
                ED_lattice_editlatt_make(ob);
 
@@ -434,7 +425,6 @@ void ED_object_editmode_enter(bContext *C, int flag)
        }
        else if (ob->type == OB_SURF || ob->type == OB_CURVE) {
                ok = 1;
-               scene->obedit = ob; /* XXX for context */
                ED_curve_editnurb_make(ob);
 
                WM_event_add_notifier(C, NC_SCENE | ND_MODE | 
NS_EDITMODE_CURVE, scene);
@@ -446,7 +436,6 @@ void ED_object_editmode_enter(bContext *C, int flag)
                DEG_id_tag_update(&scene->id, 0);
        }
        else {
-               scene->obedit = NULL; /* XXX for context */
                workspace->object_mode &= ~OB_MODE_EDIT;
                WM_event_add_notifier(C, NC_SCENE | ND_MODE | NS_MODE_OBJECT, 
scene);
        }
diff --git a/source/blender/makesdna/DNA_scene_types.h 
b/source/blender/makesdna/DNA_scene_types.h
index bf5f7c1d0da..1642da25481 100644
--- a/source/blender/makesdna/DNA_scene_types.h
+++ b/source/blender/makesdna/DNA_scene_types.h
@@ -1623,7 +1623,7 @@ typedef struct Scene {
        
        ListBase base DNA_DEPRECATED;
        struct Base  *basact DNA_DEPRECATED; /* active base */
-       struct Object *obedit;          /* name replaces old G.obedit */
+       void *_pad1;
        
        float cursor[3];                        /* 3d cursor location */
        char _pad[4];
diff --git a/source/blender/makesrna/intern/rna_layer.c 
b/source/blender/makesrna/intern/rna_layer.c
index efa05ed5b92..9489fa243dc 100644
--- a/source/blender/makesrna/intern/rna_layer.c
+++ b/source/blender/makesrna/intern/rna_layer.c
@@ -73,6 +73,7 @@ const EnumPropertyItem rna_enum_collection_type_items[] = {
 #include "BKE_node.h"
 #include "BKE_scene.h"
 #include "BKE_mesh.h"
+#include "BKE_object.h"
 #include "BKE_workspace.h"
 
 #include "DEG_depsgraph_build.h"
@@ -845,11 +846,25 @@ static void rna_LayerObjects_active_object_update(struct 
bContext *C, PointerRNA
        if (scene != ptr->id.data) {
                return;
        }
-
        ViewLayer *view_layer = (ViewLayer *)ptr->data;
-       if (scene->obedit) {
-               ED_object_editmode_exit(C, EM_FREEDATA);
+
+       /* We don't know the previous active object in update.
+        *
+        * Not correct because it's possible other work-spaces use these.
+        * although that's a corner case. */
+       WorkSpace *workspace = CTX_wm_workspace(C);
+       if (workspace->object_mode & OB_MODE_EDIT) {
+               Object *obact = OBACT(view_layer);
+               FOREACH_OBJECT(view_layer, ob) {
+                       if (ob != obact) {
+                               if (BKE_object_is_in_editmode(ob)) {
+                                       ED_object_editmode_exit_ex(NULL, 
workspace, scene, ob, EM_FREEDATA);
+                               }
+                       }
+               }
+               FOREACH_OBJECT_END;
        }
+
        ED_object_base_activate(C, view_layer->basact);
 }

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