ClangFormat: apply to source, most of intern

Apply clang format as proposed in T53211.

For details on usage and instructions for migrating branches
without conflicts, see:

https://wiki.blender.org/wiki/Tools/ClangFormat

1 files changed, 341 insertions, 342 deletions

diff --git a/source/blender/editors/animation/anim_ops.c b/source/blender/editors/animation/anim_ops.c
index 2287f2e0347..91cbc2ff3e0 100644
--- a/source/blender/editors/animation/anim_ops.c
+++ b/source/blender/editors/animation/anim_ops.c
@@ -21,7 +21,6 @@
  * \ingroup edanimation
  */
 
-
 #include <stdlib.h>
 #include <math.h>
 
@@ -60,61 +59,62 @@
 /* Check if the operator can be run from the current context */
 static bool change_frame_poll(bContext *C)
 {
-	ScrArea *sa = CTX_wm_area(C);
-
-	/* XXX temp? prevent changes during render */
-	if (G.is_rendering) return false;
-
-	/* although it's only included in keymaps for regions using ED_KEYMAP_ANIMATION,
-	 * this shouldn't show up in 3D editor (or others without 2D timeline view) via search
-	 */
-	if (sa) {
-		if (ELEM(sa->spacetype, SPACE_ACTION, SPACE_NLA, SPACE_SEQ, SPACE_CLIP)) {
-			return true;
-		}
-		else if (sa->spacetype == SPACE_GRAPH) {
-			/* NOTE: Graph Editor has special version which does some extra stuff.
-			 * No need to show the generic error message for that case though!
-			 */
-			return false;
-		}
-	}
-
-	CTX_wm_operator_poll_msg_set(C, "Expected an animation area to be active");
-	return false;
+  ScrArea *sa = CTX_wm_area(C);
+
+  /* XXX temp? prevent changes during render */
+  if (G.is_rendering)
+    return false;
+
+  /* although it's only included in keymaps for regions using ED_KEYMAP_ANIMATION,
+   * this shouldn't show up in 3D editor (or others without 2D timeline view) via search
+   */
+  if (sa) {
+    if (ELEM(sa->spacetype, SPACE_ACTION, SPACE_NLA, SPACE_SEQ, SPACE_CLIP)) {
+      return true;
+    }
+    else if (sa->spacetype == SPACE_GRAPH) {
+      /* NOTE: Graph Editor has special version which does some extra stuff.
+       * No need to show the generic error message for that case though!
+       */
+      return false;
+    }
+  }
+
+  CTX_wm_operator_poll_msg_set(C, "Expected an animation area to be active");
+  return false;
 }
 
 /* Set the new frame number */
 static void change_frame_apply(bContext *C, wmOperator *op)
 {
-	Main *bmain = CTX_data_main(C);
-	Scene *scene = CTX_data_scene(C);
-	float frame = RNA_float_get(op->ptr, "frame");
-	bool do_snap = RNA_boolean_get(op->ptr, "snap");
-
-	if (do_snap) {
-		if (CTX_wm_space_seq(C)) {
-			frame = BKE_sequencer_find_next_prev_edit(scene, frame, SEQ_SIDE_BOTH, true, false, false);
-		}
-		else {
-			frame = BKE_scene_frame_snap_by_seconds(scene, 1.0, frame);
-		}
-	}
-
-	/* set the new frame number */
-	if (scene->r.flag & SCER_SHOW_SUBFRAME) {
-		CFRA = (int)frame;
-		SUBFRA = frame - (int)frame;
-	}
-	else {
-		CFRA = round_fl_to_int(frame);
-		SUBFRA = 0.0f;
-	}
-	FRAMENUMBER_MIN_CLAMP(CFRA);
-
-	/* do updates */
-	BKE_sound_seek_scene(bmain, scene);
-	WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene);
+  Main *bmain = CTX_data_main(C);
+  Scene *scene = CTX_data_scene(C);
+  float frame = RNA_float_get(op->ptr, "frame");
+  bool do_snap = RNA_boolean_get(op->ptr, "snap");
+
+  if (do_snap) {
+    if (CTX_wm_space_seq(C)) {
+      frame = BKE_sequencer_find_next_prev_edit(scene, frame, SEQ_SIDE_BOTH, true, false, false);
+    }
+    else {
+      frame = BKE_scene_frame_snap_by_seconds(scene, 1.0, frame);
+    }
+  }
+
+  /* set the new frame number */
+  if (scene->r.flag & SCER_SHOW_SUBFRAME) {
+    CFRA = (int)frame;
+    SUBFRA = frame - (int)frame;
+  }
+  else {
+    CFRA = round_fl_to_int(frame);
+    SUBFRA = 0.0f;
+  }
+  FRAMENUMBER_MIN_CLAMP(CFRA);
+
+  /* do updates */
+  BKE_sound_seek_scene(bmain, scene);
+  WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene);
 }
 
 /* ---- */
@@ -122,9 +122,9 @@ static void change_frame_apply(bContext *C, wmOperator *op)
 /* Non-modal callback for running operator without user input */
 static int change_frame_exec(bContext *C, wmOperator *op)
 {
-	change_frame_apply(C, op);
+  change_frame_apply(C, op);
 
-	return OPERATOR_FINISHED;
+  return OPERATOR_FINISHED;
 }
 
 /* ---- */
@@ -132,402 +132,401 @@ static int change_frame_exec(bContext *C, wmOperator *op)
 /* Get frame from mouse coordinates */
 static float frame_from_event(bContext *C, const wmEvent *event)
 {
-	ARegion *region = CTX_wm_region(C);
-	Scene *scene = CTX_data_scene(C);
-	float frame;
+  ARegion *region = CTX_wm_region(C);
+  Scene *scene = CTX_data_scene(C);
+  float frame;
 
-	/* convert from region coordinates to View2D 'tot' space */
-	frame = UI_view2d_region_to_view_x(&region->v2d, event->mval[0]);
+  /* convert from region coordinates to View2D 'tot' space */
+  frame = UI_view2d_region_to_view_x(&region->v2d, event->mval[0]);
 
-	/* respect preview range restrictions (if only allowed to move around within that range) */
-	if (scene->r.flag & SCER_LOCK_FRAME_SELECTION) {
-		CLAMP(frame, PSFRA, PEFRA);
-	}
+  /* respect preview range restrictions (if only allowed to move around within that range) */
+  if (scene->r.flag & SCER_LOCK_FRAME_SELECTION) {
+    CLAMP(frame, PSFRA, PEFRA);
+  }
 
-	return frame;
+  return frame;
 }
 
 static void change_frame_seq_preview_begin(bContext *C, const wmEvent *event)
 {
-	ScrArea *sa = CTX_wm_area(C);
-	bScreen *screen = CTX_wm_screen(C);
-	if (sa && sa->spacetype == SPACE_SEQ) {
-		SpaceSeq *sseq = sa->spacedata.first;
-		if (ED_space_sequencer_check_show_strip(sseq)) {
-			ED_sequencer_special_preview_set(C, event->mval);
-		}
-	}
-	if (screen)
-		screen->scrubbing = true;
+  ScrArea *sa = CTX_wm_area(C);
+  bScreen *screen = CTX_wm_screen(C);
+  if (sa && sa->spacetype == SPACE_SEQ) {
+    SpaceSeq *sseq = sa->spacedata.first;
+    if (ED_space_sequencer_check_show_strip(sseq)) {
+      ED_sequencer_special_preview_set(C, event->mval);
+    }
+  }
+  if (screen)
+    screen->scrubbing = true;
 }
 
 static void change_frame_seq_preview_end(bContext *C)
 {
-	bScreen *screen = CTX_wm_screen(C);
-	bool notify = false;
-
-	if (screen->scrubbing) {
-		screen->scrubbing = false;
-		notify = true;
-	}
-
-	if (ED_sequencer_special_preview_get() != NULL) {
-		ED_sequencer_special_preview_clear();
-		notify = true;
-	}
-
-	if (notify) {
-		Scene *scene = CTX_data_scene(C);
-		WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene);
-	}
+  bScreen *screen = CTX_wm_screen(C);
+  bool notify = false;
+
+  if (screen->scrubbing) {
+    screen->scrubbing = false;
+    notify = true;
+  }
+
+  if (ED_sequencer_special_preview_get() != NULL) {
+    ED_sequencer_special_preview_clear();
+    notify = true;
+  }
+
+  if (notify) {
+    Scene *scene = CTX_data_scene(C);
+    WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene);
+  }
 }
 
 /* Modal Operator init */
 static int change_frame_invoke(bContext *C, wmOperator *op, const wmEvent *event)
 {
-	/* Change to frame that mouse is over before adding modal handler,
-	 * as user could click on a single frame (jump to frame) as well as
-	 * click-dragging over a range (modal scrubbing).
-	 */
-	RNA_float_set(op->ptr, "frame", frame_from_event(C, event));
+  /* Change to frame that mouse is over before adding modal handler,
+   * as user could click on a single frame (jump to frame) as well as
+   * click-dragging over a range (modal scrubbing).
+   */
+  RNA_float_set(op->ptr, "frame", frame_from_event(C, event));
 
-	change_frame_seq_preview_begin(C, event);
+  change_frame_seq_preview_begin(C, event);
 
-	change_frame_apply(C, op);
+  change_frame_apply(C, op);
 
-	/* add temp handler */
-	WM_event_add_modal_handler(C, op);
+  /* add temp handler */
+  WM_event_add_modal_handler(C, op);
 
-	return OPERATOR_RUNNING_MODAL;
+  return OPERATOR_RUNNING_MODAL;
 }
 
 static void change_frame_cancel(bContext *C, wmOperator *UNUSED(op))
 {
-	change_frame_seq_preview_end(C);
+  change_frame_seq_preview_end(C);
 }
 
 /* Modal event handling of frame changing */
 static int change_frame_modal(bContext *C, wmOperator *op, const wmEvent *event)
 {
-	int ret = OPERATOR_RUNNING_MODAL;
-	/* execute the events */
-	switch (event->type) {
-		case ESCKEY:
-			ret = OPERATOR_FINISHED;
-			break;
-
-		case MOUSEMOVE:
-			RNA_float_set(op->ptr, "frame", frame_from_event(C, event));
-			change_frame_apply(C, op);
-			break;
-
-		case LEFTMOUSE:
-		case RIGHTMOUSE:
-		case MIDDLEMOUSE:
-			/* We check for either mouse-button to end, to work with all user keymaps. */
-			if (event->val == KM_RELEASE)
-				ret = OPERATOR_FINISHED;
-			break;
-
-		case LEFTCTRLKEY:
-		case RIGHTCTRLKEY:
-			if (event->val == KM_RELEASE) {
-				RNA_boolean_set(op->ptr, "snap", false);
-			}
-			else if (event->val == KM_PRESS) {
-				RNA_boolean_set(op->ptr, "snap", true);
-			}
-			break;
-	}
-
-	if (ret != OPERATOR_RUNNING_MODAL) {
-		change_frame_seq_preview_end(C);
-	}
-
-	return ret;
+  int ret = OPERATOR_RUNNING_MODAL;
+  /* execute the events */
+  switch (event->type) {
+    case ESCKEY:
+      ret = OPERATOR_FINISHED;
+      break;
+
+    case MOUSEMOVE:
+      RNA_float_set(op->ptr, "frame", frame_from_event(C, event));
+      change_frame_apply(C, op);
+      break;
+
+    case LEFTMOUSE:
+    case RIGHTMOUSE:
+    case MIDDLEMOUSE:
+      /* We check for either mouse-button to end, to work with all user keymaps. */
+      if (event->val == KM_RELEASE)
+        ret = OPERATOR_FINISHED;
+      break;
+
+    case LEFTCTRLKEY:
+    case RIGHTCTRLKEY:
+      if (event->val == KM_RELEASE) {
+        RNA_boolean_set(op->ptr, "snap", false);
+      }
+      else if (event->val == KM_PRESS) {
+        RNA_boolean_set(op->ptr, "snap", true);
+      }
+      break;
+  }
+
+  if (ret != OPERATOR_RUNNING_MODAL) {
+    change_frame_seq_preview_end(C);
+  }
+
+  return ret;
 }
 
 static void ANIM_OT_change_frame(wmOperatorType *ot)
 {
-	PropertyRNA *prop;
-
-	/* identifiers */
-	ot->name = "Change Frame";
-	ot->idname = "ANIM_OT_change_frame";
-	ot->description = "Interactively change the current frame number";
-
-	/* api callbacks */
-	ot->exec = change_frame_exec;
-	ot->invoke = change_frame_invoke;
-	ot->cancel = change_frame_cancel;
-	ot->modal = change_frame_modal;
-	ot->poll = change_frame_poll;
-
-	/* flags */
-	ot->flag = OPTYPE_BLOCKING | OPTYPE_GRAB_CURSOR | OPTYPE_UNDO_GROUPED;
-	ot->undo_group = "Frame Change";
-
-	/* rna */
-	ot->prop = RNA_def_float(ot->srna, "frame", 0, MINAFRAME, MAXFRAME, "Frame", "", MINAFRAME, MAXFRAME);
-	prop = RNA_def_boolean(ot->srna, "snap", false, "Snap", "");
-	RNA_def_property_flag(prop, PROP_SKIP_SAVE);
+  PropertyRNA *prop;
+
+  /* identifiers */
+  ot->name = "Change Frame";
+  ot->idname = "ANIM_OT_change_frame";
+  ot->description = "Interactively change the current frame number";
+
+  /* api callbacks */
+  ot->exec = change_frame_exec;
+  ot->invoke = change_frame_invoke;
+  ot->cancel = change_frame_cancel;
+  ot->modal = change_frame_modal;
+  ot->poll = change_frame_poll;
+
+  /* flags */
+  ot->flag = OPTYPE_BLOCKING | OPTYPE_GRAB_CURSOR | OPTYPE_UNDO_GROUPED;
+  ot->undo_group = "Frame Change";
+
+  /* rna */
+  ot->prop = RNA_def_float(
+      ot->srna, "frame", 0, MINAFRAME, MAXFRAME, "Frame", "", MINAFRAME, MAXFRAME);
+  prop = RNA_def_boolean(ot->srna, "snap", false, "Snap", "");
+  RNA_def_property_flag(prop, PROP_SKIP_SAVE);
 }
 
-
 /* ****************** Start/End Frame Operators *******************************/
 
 static bool anim_set_end_frames_poll(bContext *C)
 {
-	ScrArea *sa = CTX_wm_area(C);
-
-	/* XXX temp? prevent changes during render */
-	if (G.is_rendering) return false;
-
-	/* although it's only included in keymaps for regions using ED_KEYMAP_ANIMATION,
-	 * this shouldn't show up in 3D editor (or others without 2D timeline view) via search
-	 */
-	if (sa) {
-		if (ELEM(sa->spacetype, SPACE_ACTION, SPACE_GRAPH, SPACE_NLA, SPACE_SEQ, SPACE_CLIP)) {
-			return true;
-		}
-	}
-
-	CTX_wm_operator_poll_msg_set(C, "Expected an animation area to be active");
-	return false;
+  ScrArea *sa = CTX_wm_area(C);
+
+  /* XXX temp? prevent changes during render */
+  if (G.is_rendering)
+    return false;
+
+  /* although it's only included in keymaps for regions using ED_KEYMAP_ANIMATION,
+   * this shouldn't show up in 3D editor (or others without 2D timeline view) via search
+   */
+  if (sa) {
+    if (ELEM(sa->spacetype, SPACE_ACTION, SPACE_GRAPH, SPACE_NLA, SPACE_SEQ, SPACE_CLIP)) {
+      return true;
+    }
+  }
+
+  CTX_wm_operator_poll_msg_set(C, "Expected an animation area to be active");
+  return false;
 }
 
 static int anim_set_sfra_exec(bContext *C, wmOperator *UNUSED(op))
 {
-	Scene *scene = CTX_data_scene(C);
-	int frame;
+  Scene *scene = CTX_data_scene(C);
+  int frame;
 
-	if (scene == NULL)
-		return OPERATOR_CANCELLED;
+  if (scene == NULL)
+    return OPERATOR_CANCELLED;
 
-	frame = CFRA;
+  frame = CFRA;
 
-	/* if Preview Range is defined, set the 'start' frame for that */
-	if (PRVRANGEON)
-		scene->r.psfra = frame;
-	else
-		scene->r.sfra = frame;
+  /* if Preview Range is defined, set the 'start' frame for that */
+  if (PRVRANGEON)
+    scene->r.psfra = frame;
+  else
+    scene->r.sfra = frame;
 
-	if (PEFRA < frame) {
-		if (PRVRANGEON)
-			scene->r.pefra = frame;
-		else
-			scene->r.efra = frame;
-	}
+  if (PEFRA < frame) {
+    if (PRVRANGEON)
+      scene->r.pefra = frame;
+    else
+      scene->r.efra = frame;
+  }
 
-	WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene);
+  WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene);
 
-	return OPERATOR_FINISHED;
+  return OPERATOR_FINISHED;
 }
 
 static void ANIM_OT_start_frame_set(wmOperatorType *ot)
 {
-	/* identifiers */
-	ot->name = "Set Start Frame";
-	ot->idname = "ANIM_OT_start_frame_set";
-	ot->description = "Set the current frame as the preview or scene start frame";
+  /* identifiers */
+  ot->name = "Set Start Frame";
+  ot->idname = "ANIM_OT_start_frame_set";
+  ot->description = "Set the current frame as the preview or scene start frame";
 
-	/* api callbacks */
-	ot->exec = anim_set_sfra_exec;
-	ot->poll = anim_set_end_frames_poll;
+  /* api callbacks */
+  ot->exec = anim_set_sfra_exec;
+  ot->poll = anim_set_end_frames_poll;
 
-	/* flags */
-	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+  /* flags */
+  ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 }
 
-
 static int anim_set_efra_exec(bContext *C, wmOperator *UNUSED(op))
 {
-	Scene *scene = CTX_data_scene(C);
-	int frame;
+  Scene *scene = CTX_data_scene(C);
+  int frame;
 
-	if (scene == NULL)
-		return OPERATOR_CANCELLED;
+  if (scene == NULL)
+    return OPERATOR_CANCELLED;
 
-	frame = CFRA;
+  frame = CFRA;
 
-	/* if Preview Range is defined, set the 'end' frame for that */
-	if (PRVRANGEON)
-		scene->r.pefra = frame;
-	else
-		scene->r.efra = frame;
+  /* if Preview Range is defined, set the 'end' frame for that */
+  if (PRVRANGEON)
+    scene->r.pefra = frame;
+  else
+    scene->r.efra = frame;
 
-	if (PSFRA > frame) {
-		if (PRVRANGEON)
-			scene->r.psfra = frame;
-		else
-			scene->r.sfra = frame;
-	}
+  if (PSFRA > frame) {
+    if (PRVRANGEON)
+      scene->r.psfra = frame;
+    else
+      scene->r.sfra = frame;
+  }
 
-	WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene);
+  WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene);
 
-	return OPERATOR_FINISHED;
+  return OPERATOR_FINISHED;
 }
 
 static void ANIM_OT_end_frame_set(wmOperatorType *ot)
 {
-	/* identifiers */
-	ot->name = "Set End Frame";
-	ot->idname = "ANIM_OT_end_frame_set";
-	ot->description = "Set the current frame as the preview or scene end frame";
+  /* identifiers */
+  ot->name = "Set End Frame";
+  ot->idname = "ANIM_OT_end_frame_set";
+  ot->description = "Set the current frame as the preview or scene end frame";
 
-	/* api callbacks */
-	ot->exec = anim_set_efra_exec;
-	ot->poll = anim_set_end_frames_poll;
+  /* api callbacks */
+  ot->exec = anim_set_efra_exec;
+  ot->poll = anim_set_end_frames_poll;
 
-	/* flags */
-	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+  /* flags */
+  ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 }
 
 /* ****************** set preview range operator ****************************/
 
 static int previewrange_define_exec(bContext *C, wmOperator *op)
 {
-	Scene *scene = CTX_data_scene(C);
-	ARegion *ar = CTX_wm_region(C);
-	float sfra, efra;
-	rcti rect;
-
-	/* get min/max values from box select rect (already in region coordinates, not screen) */
-	WM_operator_properties_border_to_rcti(op, &rect);
-
-	/* convert min/max values to frames (i.e. region to 'tot' rect) */
-	sfra = UI_view2d_region_to_view_x(&ar->v2d, rect.xmin);
-	efra = UI_view2d_region_to_view_x(&ar->v2d, rect.xmax);
-
-	/* set start/end frames for preview-range
-	 * - must clamp within allowable limits
-	 * - end must not be before start (though this won't occur most of the time)
-	 */
-	FRAMENUMBER_MIN_CLAMP(sfra);
-	FRAMENUMBER_MIN_CLAMP(efra);
-	if (efra < sfra) efra = sfra;
-
-	scene->r.flag |= SCER_PRV_RANGE;
-	scene->r.psfra = round_fl_to_int(sfra);
-	scene->r.pefra = round_fl_to_int(efra);
-
-	/* send notifiers */
-	WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene);
-
-	return OPERATOR_FINISHED;
+  Scene *scene = CTX_data_scene(C);
+  ARegion *ar = CTX_wm_region(C);
+  float sfra, efra;
+  rcti rect;
+
+  /* get min/max values from box select rect (already in region coordinates, not screen) */
+  WM_operator_properties_border_to_rcti(op, &rect);
+
+  /* convert min/max values to frames (i.e. region to 'tot' rect) */
+  sfra = UI_view2d_region_to_view_x(&ar->v2d, rect.xmin);
+  efra = UI_view2d_region_to_view_x(&ar->v2d, rect.xmax);
+
+  /* set start/end frames for preview-range
+   * - must clamp within allowable limits
+   * - end must not be before start (though this won't occur most of the time)
+   */
+  FRAMENUMBER_MIN_CLAMP(sfra);
+  FRAMENUMBER_MIN_CLAMP(efra);
+  if (efra < sfra)
+    efra = sfra;
+
+  scene->r.flag |= SCER_PRV_RANGE;
+  scene->r.psfra = round_fl_to_int(sfra);
+  scene->r.pefra = round_fl_to_int(efra);
+
+  /* send notifiers */
+  WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene);
+
+  return OPERATOR_FINISHED;
 }
 
 static void ANIM_OT_previewrange_set(wmOperatorType *ot)
 {
-	/* identifiers */
-	ot->name = "Set Preview Range";
-	ot->idname = "ANIM_OT_previewrange_set";
-	ot->description = "Interactively define frame range used for playback";
-
-	/* api callbacks */
-	ot->invoke = WM_gesture_box_invoke;
-	ot->exec = previewrange_define_exec;
-	ot->modal = WM_gesture_box_modal;
-	ot->cancel = WM_gesture_box_cancel;
-
-	ot->poll = ED_operator_animview_active;
-
-	/* flags */
-	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
-
-	/* rna */
-	/* used to define frame range.
-	 *
-	 * note: border Y values are not used,
-	 * but are needed by box_select gesture operator stuff */
-	WM_operator_properties_border(ot);
+  /* identifiers */
+  ot->name = "Set Preview Range";
+  ot->idname = "ANIM_OT_previewrange_set";
+  ot->description = "Interactively define frame range used for playback";
+
+  /* api callbacks */
+  ot->invoke = WM_gesture_box_invoke;
+  ot->exec = previewrange_define_exec;
+  ot->modal = WM_gesture_box_modal;
+  ot->cancel = WM_gesture_box_cancel;
+
+  ot->poll = ED_operator_animview_active;
+
+  /* flags */
+  ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+
+  /* rna */
+  /* used to define frame range.
+   *
+   * note: border Y values are not used,
+   * but are needed by box_select gesture operator stuff */
+  WM_operator_properties_border(ot);
 }
 
 /* ****************** clear preview range operator ****************************/
 
 static int previewrange_clear_exec(bContext *C, wmOperator *UNUSED(op))
 {
-	Scene *scene = CTX_data_scene(C);
-	ScrArea *curarea = CTX_wm_area(C);
+  Scene *scene = CTX_data_scene(C);
+  ScrArea *curarea = CTX_wm_area(C);
 
-	/* sanity checks */
-	if (ELEM(NULL, scene, curarea))
-		return OPERATOR_CANCELLED;
+  /* sanity checks */
+  if (ELEM(NULL, scene, curarea))
+    return OPERATOR_CANCELLED;
 
-	/* simply clear values */
-	scene->r.flag &= ~SCER_PRV_RANGE;
-	scene->r.psfra = 0;
-	scene->r.pefra = 0;
+  /* simply clear values */
+  scene->r.flag &= ~SCER_PRV_RANGE;
+  scene->r.psfra = 0;
+  scene->r.pefra = 0;
 
-	ED_area_tag_redraw(curarea);
+  ED_area_tag_redraw(curarea);
 
-	/* send notifiers */
-	WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene);
+  /* send notifiers */
+  WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene);
 
-	return OPERATOR_FINISHED;
+  return OPERATOR_FINISHED;
 }
 
 static void ANIM_OT_previewrange_clear(wmOperatorType *ot)
 {
-	/* identifiers */
-	ot->name = "Clear Preview Range";
-	ot->idname = "ANIM_OT_previewrange_clear";
-	ot->description = "Clear Preview Range";
+  /* identifiers */
+  ot->name = "Clear Preview Range";
+  ot->idname = "ANIM_OT_previewrange_clear";
+  ot->description = "Clear Preview Range";
 
-	/* api callbacks */
-	ot->exec = previewrange_clear_exec;
+  /* api callbacks */
+  ot->exec = previewrange_clear_exec;
 
-	ot->poll = ED_operator_animview_active;
+  ot->poll = ED_operator_animview_active;
 
-	/* flags */
-	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+  /* flags */
+  ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 }
 
 /* ************************** registration **********************************/
 
 void ED_operatortypes_anim(void)
 {
-	/* Animation Editors only -------------------------- */
-	WM_operatortype_append(ANIM_OT_change_frame);
-
-	WM_operatortype_append(ANIM_OT_start_frame_set);
-	WM_operatortype_append(ANIM_OT_end_frame_set);
-
-	WM_operatortype_append(ANIM_OT_previewrange_set);
-	WM_operatortype_append(ANIM_OT_previewrange_clear);
-
-	/* Entire UI --------------------------------------- */
-	WM_operatortype_append(ANIM_OT_keyframe_insert);
-	WM_operatortype_append(ANIM_OT_keyframe_delete);
-	WM_operatortype_append(ANIM_OT_keyframe_insert_menu);
-	WM_operatortype_append(ANIM_OT_keyframe_delete_v3d);
-	WM_operatortype_append(ANIM_OT_keyframe_clear_v3d);
-	WM_operatortype_append(ANIM_OT_keyframe_insert_button);
-	WM_operatortype_append(ANIM_OT_keyframe_delete_button);
-	WM_operatortype_append(ANIM_OT_keyframe_clear_button);
-	WM_operatortype_append(ANIM_OT_keyframe_insert_by_name);
-	WM_operatortype_append(ANIM_OT_keyframe_delete_by_name);
-
-
-	WM_operatortype_append(ANIM_OT_driver_button_add);
-	WM_operatortype_append(ANIM_OT_driver_button_remove);
-	WM_operatortype_append(ANIM_OT_driver_button_edit);
-	WM_operatortype_append(ANIM_OT_copy_driver_button);
-	WM_operatortype_append(ANIM_OT_paste_driver_button);
-
-
-	WM_operatortype_append(ANIM_OT_keyingset_button_add);
-	WM_operatortype_append(ANIM_OT_keyingset_button_remove);
-
-	WM_operatortype_append(ANIM_OT_keying_set_add);
-	WM_operatortype_append(ANIM_OT_keying_set_remove);
-	WM_operatortype_append(ANIM_OT_keying_set_path_add);
-	WM_operatortype_append(ANIM_OT_keying_set_path_remove);
-
-	WM_operatortype_append(ANIM_OT_keying_set_active_set);
+  /* Animation Editors only -------------------------- */
+  WM_operatortype_append(ANIM_OT_change_frame);
+
+  WM_operatortype_append(ANIM_OT_start_frame_set);
+  WM_operatortype_append(ANIM_OT_end_frame_set);
+
+  WM_operatortype_append(ANIM_OT_previewrange_set);
+  WM_operatortype_append(ANIM_OT_previewrange_clear);
+
+  /* Entire UI --------------------------------------- */
+  WM_operatortype_append(ANIM_OT_keyframe_insert);
+  WM_operatortype_append(ANIM_OT_keyframe_delete);
+  WM_operatortype_append(ANIM_OT_keyframe_insert_menu);
+  WM_operatortype_append(ANIM_OT_keyframe_delete_v3d);
+  WM_operatortype_append(ANIM_OT_keyframe_clear_v3d);
+  WM_operatortype_append(ANIM_OT_keyframe_insert_button);
+  WM_operatortype_append(ANIM_OT_keyframe_delete_button);
+  WM_operatortype_append(ANIM_OT_keyframe_clear_button);
+  WM_operatortype_append(ANIM_OT_keyframe_insert_by_name);
+  WM_operatortype_append(ANIM_OT_keyframe_delete_by_name);
+
+  WM_operatortype_append(ANIM_OT_driver_button_add);
+  WM_operatortype_append(ANIM_OT_driver_button_remove);
+  WM_operatortype_append(ANIM_OT_driver_button_edit);
+  WM_operatortype_append(ANIM_OT_copy_driver_button);
+  WM_operatortype_append(ANIM_OT_paste_driver_button);
+
+  WM_operatortype_append(ANIM_OT_keyingset_button_add);
+  WM_operatortype_append(ANIM_OT_keyingset_button_remove);
+
+  WM_operatortype_append(ANIM_OT_keying_set_add);
+  WM_operatortype_append(ANIM_OT_keying_set_remove);
+  WM_operatortype_append(ANIM_OT_keying_set_path_add);
+  WM_operatortype_append(ANIM_OT_keying_set_path_remove);
+
+  WM_operatortype_append(ANIM_OT_keying_set_active_set);
 }
 
 void ED_keymap_anim(wmKeyConfig *keyconf)
 {
-	WM_keymap_ensure(keyconf, "Animation", 0, 0);
+  WM_keymap_ensure(keyconf, "Animation", 0, 0);
 }