Set scene frames operator for clip editor.

This operator will set scene's start/end frames to
match clip's start frame and footage duration.

Available in Clip panel in clip editor's toolbox.

3 files changed, 38 insertions, 0 deletions

diff --git a/source/blender/editors/space_clip/clip_intern.h b/source/blender/editors/space_clip/clip_intern.h
index 805e36c7c56..1568ecf010e 100644
--- a/source/blender/editors/space_clip/clip_intern.h
+++ b/source/blender/editors/space_clip/clip_intern.h
@@ -110,6 +110,8 @@ void CLIP_OT_view_ndof(struct wmOperatorType *ot);
 
 void CLIP_OT_prefetch(struct wmOperatorType *ot);
 
+void CLIP_OT_set_scene_frames(wmOperatorType *ot);
+
 /* clip_toolbar.c */
 struct ARegion *ED_clip_has_properties_region(struct ScrArea *sa);
 void CLIP_OT_tools(struct wmOperatorType *ot);
diff --git a/source/blender/editors/space_clip/clip_ops.c b/source/blender/editors/space_clip/clip_ops.c
index ab00c078226..7a6da5d8896 100644
--- a/source/blender/editors/space_clip/clip_ops.c
+++ b/source/blender/editors/space_clip/clip_ops.c
@@ -1419,6 +1419,41 @@ void CLIP_OT_prefetch(wmOperatorType *ot)
 	ot->modal = clip_prefetch_modal;
 }
 
+/********************** Set scene frames *********************/
+
+static int clip_set_scene_frames_exec(bContext *C, wmOperator *UNUSED(op))
+{
+	MovieClip *clip = CTX_data_edit_movieclip(C);
+	Scene *scene = CTX_data_scene(C);
+	int clip_length;
+
+	if (ELEM(NULL, scene, clip))
+		return OPERATOR_CANCELLED;
+
+	clip_length = BKE_movieclip_get_duration(clip);
+
+	scene->r.sfra = clip->start_frame;
+	scene->r.efra = scene->r.sfra + clip_length - 1;
+
+	scene->r.efra = max_ii(scene->r.sfra, scene->r.efra);
+
+	WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene);
+
+	return OPERATOR_FINISHED;
+}
+
+void CLIP_OT_set_scene_frames(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Set Scene Frames";
+	ot->idname = "CLIP_OT_set_scene_frames";
+	ot->description = "Set scene's start and end frame to match clip's start frame and length";
+
+	/* api callbacks */
+	ot->poll = ED_space_clip_view_clip_poll;
+	ot->exec = clip_set_scene_frames_exec;
+}
+
 /********************** macroses *********************/
 
 void ED_operatormacros_clip(void)
diff --git a/source/blender/editors/space_clip/space_clip.c b/source/blender/editors/space_clip/space_clip.c
index 393b2ed2cb2..c4d92bc78eb 100644
--- a/source/blender/editors/space_clip/space_clip.c
+++ b/source/blender/editors/space_clip/space_clip.c
@@ -441,6 +441,7 @@ static void clip_operatortypes(void)
 	WM_operatortype_append(CLIP_OT_mode_set);
 	WM_operatortype_append(CLIP_OT_view_ndof);
 	WM_operatortype_append(CLIP_OT_prefetch);
+	WM_operatortype_append(CLIP_OT_set_scene_frames);
 
 	/* ** clip_toolbar.c ** */
 	WM_operatortype_append(CLIP_OT_tools);