Cleanup: move sequencer view operators into sequencer_view.c

4 files changed, 421 insertions, 408 deletions

diff --git a/source/blender/editors/space_sequencer/sequencer_edit.c b/source/blender/editors/space_sequencer/sequencer_edit.c
index 28ded81eeae..aa2d5b2ae7d 100644
--- a/source/blender/editors/space_sequencer/sequencer_edit.c
+++ b/source/blender/editors/space_sequencer/sequencer_edit.c
@@ -50,17 +50,12 @@
 #include "WM_types.h"
 
 #include "RNA_define.h"
-#include "RNA_enum_types.h"
 
 /* For menu, popup, icons, etc. */
-
-#include "ED_anim_api.h"
 #include "ED_numinput.h"
 #include "ED_outliner.h"
 #include "ED_screen.h"
 #include "ED_sequencer.h"
-#include "ED_space_api.h"
-#include "ED_transform.h"
 
 #include "UI_interface.h"
 #include "UI_view2d.h"
@@ -2323,6 +2318,11 @@ void SEQUENCER_OT_swap_inputs(struct wmOperatorType *ot)
 /** \name Split Strips Operator
  * \{ */
 
+enum {
+  SEQ_SPLIT_SOFT,
+  SEQ_SPLIT_HARD,
+};
+
 static const EnumPropertyItem prop_split_types[] = {
     {SEQ_SPLIT_SOFT, "SOFT", 0, "Soft", ""},
     {SEQ_SPLIT_HARD, "HARD", 0, "Hard", ""},
@@ -3092,321 +3092,6 @@ void SEQUENCER_OT_meta_separate(wmOperatorType *ot)
 /** \} */
 
 /* -------------------------------------------------------------------- */
-/** \name Sequencer Frame All Operator
- * \{ */
-
-static int sequencer_view_all_exec(bContext *C, wmOperator *op)
-{
-  ARegion *region = CTX_wm_region(C);
-  rctf box;
-
-  const int smooth_viewtx = WM_operator_smooth_viewtx_get(op);
-
-  boundbox_seq(CTX_data_scene(C), &box);
-  UI_view2d_smooth_view(C, region, &box, smooth_viewtx);
-  return OPERATOR_FINISHED;
-}
-
-void SEQUENCER_OT_view_all(wmOperatorType *ot)
-{
-  /* Identifiers. */
-  ot->name = "Frame All";
-  ot->idname = "SEQUENCER_OT_view_all";
-  ot->description = "View all the strips in the sequencer";
-
-  /* Api callbacks. */
-  ot->exec = sequencer_view_all_exec;
-  ot->poll = ED_operator_sequencer_active;
-
-  /* Flags. */
-  ot->flag = OPTYPE_REGISTER;
-}
-
-/** \} */
-
-/* -------------------------------------------------------------------- */
-/** \name Go to Current Frame Operator
- * \{ */
-
-static int sequencer_view_frame_exec(bContext *C, wmOperator *op)
-{
-  const int smooth_viewtx = WM_operator_smooth_viewtx_get(op);
-  ANIM_center_frame(C, smooth_viewtx);
-
-  return OPERATOR_FINISHED;
-}
-
-void SEQUENCER_OT_view_frame(wmOperatorType *ot)
-{
-  /* Identifiers. */
-  ot->name = "Go to Current Frame";
-  ot->idname = "SEQUENCER_OT_view_frame";
-  ot->description = "Move the view to the current frame";
-
-  /* Api callbacks. */
-  ot->exec = sequencer_view_frame_exec;
-  ot->poll = ED_operator_sequencer_active;
-
-  /* Flags. */
-  ot->flag = 0;
-}
-
-/** \} */
-
-/* -------------------------------------------------------------------- */
-/** \name Preview Frame All Operator
- * \{ */
-
-static int sequencer_view_all_preview_exec(bContext *C, wmOperator *UNUSED(op))
-{
-  bScreen *screen = CTX_wm_screen(C);
-  ScrArea *area = CTX_wm_area(C);
-#if 0
-  ARegion *region = CTX_wm_region(C);
-  SpaceSeq *sseq = area->spacedata.first;
-  Scene *scene = CTX_data_scene(C);
-#endif
-  View2D *v2d = UI_view2d_fromcontext(C);
-
-  v2d->cur = v2d->tot;
-  UI_view2d_curRect_validate(v2d);
-  UI_view2d_sync(screen, area, v2d, V2D_LOCK_COPY);
-
-#if 0
-  /* Like zooming on an image view. */
-  float zoomX, zoomY;
-  int width, height, imgwidth, imgheight;
-
-  width = region->winx;
-  height = region->winy;
-
-  seq_reset_imageofs(sseq);
-
-  imgwidth = (scene->r.size * scene->r.xsch) / 100;
-  imgheight = (scene->r.size * scene->r.ysch) / 100;
-
-  /* Apply aspect, doesn't need to be that accurate. */
-  imgwidth = (int)(imgwidth * (scene->r.xasp / scene->r.yasp));
-
-  if (((imgwidth >= width) || (imgheight >= height)) && ((width > 0) && (height > 0))) {
-    /* Find the zoom value that will fit the image in the image space. */
-    zoomX = ((float)width) / ((float)imgwidth);
-    zoomY = ((float)height) / ((float)imgheight);
-    sseq->zoom = (zoomX < zoomY) ? zoomX : zoomY;
-
-    sseq->zoom = 1.0f / power_of_2(1 / min_ff(zoomX, zoomY));
-  }
-  else {
-    sseq->zoom = 1.0f;
-  }
-#endif
-
-  ED_area_tag_redraw(CTX_wm_area(C));
-  return OPERATOR_FINISHED;
-}
-
-void SEQUENCER_OT_view_all_preview(wmOperatorType *ot)
-{
-  /* Identifiers. */
-  ot->name = "Frame All";
-  ot->idname = "SEQUENCER_OT_view_all_preview";
-  ot->description = "Zoom preview to fit in the area";
-
-  /* Api callbacks. */
-  ot->exec = sequencer_view_all_preview_exec;
-  ot->poll = ED_operator_sequencer_active;
-
-  /* Flags. */
-  ot->flag = OPTYPE_REGISTER;
-}
-
-/** \} */
-
-/* -------------------------------------------------------------------- */
-/** \name Sequencer View Zoom Ratio Operator
- * \{ */
-
-static int sequencer_view_zoom_ratio_exec(bContext *C, wmOperator *op)
-{
-  RenderData *rd = &CTX_data_scene(C)->r;
-  View2D *v2d = UI_view2d_fromcontext(C);
-
-  float ratio = RNA_float_get(op->ptr, "ratio");
-
-  float winx = (int)(rd->size * rd->xsch) / 100;
-  float winy = (int)(rd->size * rd->ysch) / 100;
-
-  float facx = BLI_rcti_size_x(&v2d->mask) / winx;
-  float facy = BLI_rcti_size_y(&v2d->mask) / winy;
-
-  BLI_rctf_resize(&v2d->cur, ceilf(winx * facx / ratio + 0.5f), ceilf(winy * facy / ratio + 0.5f));
-
-  ED_region_tag_redraw(CTX_wm_region(C));
-
-  return OPERATOR_FINISHED;
-}
-
-void SEQUENCER_OT_view_zoom_ratio(wmOperatorType *ot)
-{
-  /* Identifiers. */
-  ot->name = "Sequencer View Zoom Ratio";
-  ot->idname = "SEQUENCER_OT_view_zoom_ratio";
-  ot->description = "Change zoom ratio of sequencer preview";
-
-  /* Api callbacks. */
-  ot->exec = sequencer_view_zoom_ratio_exec;
-  ot->poll = ED_operator_sequencer_active;
-
-  /* Properties. */
-  RNA_def_float(ot->srna,
-                "ratio",
-                1.0f,
-                -FLT_MAX,
-                FLT_MAX,
-                "Ratio",
-                "Zoom ratio, 1.0 is 1:1, higher is zoomed in, lower is zoomed out",
-                -FLT_MAX,
-                FLT_MAX);
-}
-
-/** \} */
-
-/* -------------------------------------------------------------------- */
-/** \name View Toggle Operator
- * \{ */
-
-#if 0
-static const EnumPropertyItem view_type_items[] = {
-    {SEQ_VIEW_SEQUENCE, "SEQUENCER", ICON_SEQ_SEQUENCER, "Sequencer", ""},
-    {SEQ_VIEW_PREVIEW, "PREVIEW", ICON_SEQ_PREVIEW, "Image Preview", ""},
-    {SEQ_VIEW_SEQUENCE_PREVIEW,
-     "SEQUENCER_PREVIEW",
-     ICON_SEQ_SEQUENCER,
-     "Sequencer and Image Preview",
-     ""},
-    {0, NULL, 0, NULL, NULL},
-};
-#endif
-
-static int sequencer_view_toggle_exec(bContext *C, wmOperator *UNUSED(op))
-{
-  SpaceSeq *sseq = (SpaceSeq *)CTX_wm_space_data(C);
-
-  sseq->view++;
-  if (sseq->view > SEQ_VIEW_SEQUENCE_PREVIEW) {
-    sseq->view = SEQ_VIEW_SEQUENCE;
-  }
-
-  ED_area_tag_refresh(CTX_wm_area(C));
-
-  return OPERATOR_FINISHED;
-}
-
-void SEQUENCER_OT_view_toggle(wmOperatorType *ot)
-{
-  /* Identifiers. */
-  ot->name = "View Toggle";
-  ot->idname = "SEQUENCER_OT_view_toggle";
-  ot->description = "Toggle between sequencer views (sequence, preview, both)";
-
-  /* Api callbacks. */
-  ot->exec = sequencer_view_toggle_exec;
-  ot->poll = ED_operator_sequencer_active;
-
-  /* Flags. */
-  ot->flag = OPTYPE_REGISTER;
-}
-
-/** \} */
-
-/* -------------------------------------------------------------------- */
-/** \name Frame Selected Operator
- * \{ */
-
-static int sequencer_view_selected_exec(bContext *C, wmOperator *op)
-{
-  Scene *scene = CTX_data_scene(C);
-  View2D *v2d = UI_view2d_fromcontext(C);
-  ARegion *region = CTX_wm_region(C);
-  Editing *ed = BKE_sequencer_editing_get(scene, false);
-  Sequence *last_seq = BKE_sequencer_active_get(scene);
-  Sequence *seq;
-  rctf cur_new = v2d->cur;
-
-  int xmin = MAXFRAME * 2;
-  int xmax = -MAXFRAME * 2;
-  int ymin = MAXSEQ + 1;
-  int ymax = 0;
-  int orig_height;
-  int ymid;
-  int ymargin = 1;
-  int xmargin = FPS;
-
-  if (ed == NULL) {
-    return OPERATOR_CANCELLED;
-  }
-
-  for (seq = ed->seqbasep->first; seq; seq = seq->next) {
-    if ((seq->flag & SELECT) || (seq == last_seq)) {
-      xmin = min_ii(xmin, seq->startdisp);
-      xmax = max_ii(xmax, seq->enddisp);
-
-      ymin = min_ii(ymin, seq->machine);
-      ymax = max_ii(ymax, seq->machine);
-    }
-  }
-
-  if (ymax != 0) {
-    const int smooth_viewtx = WM_operator_smooth_viewtx_get(op);
-
-    xmax += xmargin;
-    xmin -= xmargin;
-    ymax += ymargin;
-    ymin -= ymargin;
-
-    orig_height = BLI_rctf_size_y(&cur_new);
-
-    cur_new.xmin = xmin;
-    cur_new.xmax = xmax;
-
-    cur_new.ymin = ymin;
-    cur_new.ymax = ymax;
-
-    /* Only zoom out vertically. */
-    if (orig_height > BLI_rctf_size_y(&cur_new)) {
-      ymid = BLI_rctf_cent_y(&cur_new);
-
-      cur_new.ymin = ymid - (orig_height / 2);
-      cur_new.ymax = ymid + (orig_height / 2);
-    }
-
-    UI_view2d_smooth_view(C, region, &cur_new, smooth_viewtx);
-
-    return OPERATOR_FINISHED;
-  }
-  else {
-    return OPERATOR_CANCELLED;
-  }
-}
-
-void SEQUENCER_OT_view_selected(wmOperatorType *ot)
-{
-  /* Identifiers. */
-  ot->name = "Frame Selected";
-  ot->idname = "SEQUENCER_OT_view_selected";
-  ot->description = "Zoom the sequencer on the selected strips";
-
-  /* Api callbacks. */
-  ot->exec = sequencer_view_selected_exec;
-  ot->poll = ED_operator_sequencer_active;
-
-  /* Flags. */
-  ot->flag = OPTYPE_REGISTER;
-}
-
-/** \} */
-
-/* -------------------------------------------------------------------- */
 /** \name Jump to Strip Operator
  * \{ */
 
@@ -3857,67 +3542,6 @@ void SEQUENCER_OT_swap_data(wmOperatorType *ot)
 /** \} */
 
 /* -------------------------------------------------------------------- */
-/** \name Border Offset View Operator
- * \{ */
-
-static int view_ghost_border_exec(bContext *C, wmOperator *op)
-{
-  Scene *scene = CTX_data_scene(C);
-  View2D *v2d = UI_view2d_fromcontext(C);
-
-  rctf rect;
-
-  /* Convert coordinates of rect to 'tot' rect coordinates. */
-  WM_operator_properties_border_to_rctf(op, &rect);
-  UI_view2d_region_to_view_rctf(v2d, &rect, &rect);
-
-  rect.xmin /= fabsf(BLI_rctf_size_x(&v2d->tot));
-  rect.ymin /= fabsf(BLI_rctf_size_y(&v2d->tot));
-
-  rect.xmax /= fabsf(BLI_rctf_size_x(&v2d->tot));
-  rect.ymax /= fabsf(BLI_rctf_size_y(&v2d->tot));
-
-  rect.xmin += 0.5f;
-  rect.xmax += 0.5f;
-  rect.ymin += 0.5f;
-  rect.ymax += 0.5f;
-
-  CLAMP(rect.xmin, 0.0f, 1.0f);
-  CLAMP(rect.ymin, 0.0f, 1.0f);
-  CLAMP(rect.xmax, 0.0f, 1.0f);
-  CLAMP(rect.ymax, 0.0f, 1.0f);
-
-  scene->ed->over_border = rect;
-
-  WM_event_add_notifier(C, NC_SCENE | ND_SEQUENCER, scene);
-
-  return OPERATOR_FINISHED;
-}
-
-void SEQUENCER_OT_view_ghost_border(wmOperatorType *ot)
-{
-  /* Identifiers. */
-  ot->name = "Border Offset View";
-  ot->idname = "SEQUENCER_OT_view_ghost_border";
-  ot->description = "Set the boundaries of the border used for offset-view";
-
-  /* Api callbacks. */
-  ot->invoke = WM_gesture_box_invoke;
-  ot->exec = view_ghost_border_exec;
-  ot->modal = WM_gesture_box_modal;
-  ot->poll = sequencer_view_preview_poll;
-  ot->cancel = WM_gesture_box_cancel;
-
-  /* Flags. */
-  ot->flag = 0;
-
-  /* Properties. */
-  WM_operator_properties_gesture_box(ot);
-}
-
-/** \} */
-
-/* -------------------------------------------------------------------- */
 /** \name Rebuild Proxy and Timecode Indices Operator
  * \{ */
 
diff --git a/source/blender/editors/space_sequencer/sequencer_intern.h b/source/blender/editors/space_sequencer/sequencer_intern.h
index eec8d604b64..f5eb9e88bd5 100644
--- a/source/blender/editors/space_sequencer/sequencer_intern.h
+++ b/source/blender/editors/space_sequencer/sequencer_intern.h
@@ -131,13 +131,6 @@ void SEQUENCER_OT_swap(struct wmOperatorType *ot);
 void SEQUENCER_OT_swap_data(struct wmOperatorType *ot);
 void SEQUENCER_OT_rendersize(struct wmOperatorType *ot);
 
-void SEQUENCER_OT_view_toggle(struct wmOperatorType *ot);
-void SEQUENCER_OT_view_all(struct wmOperatorType *ot);
-void SEQUENCER_OT_view_selected(struct wmOperatorType *ot);
-void SEQUENCER_OT_view_frame(struct wmOperatorType *ot);
-void SEQUENCER_OT_view_zoom_ratio(struct wmOperatorType *ot);
-void SEQUENCER_OT_view_ghost_border(struct wmOperatorType *ot);
-
 void SEQUENCER_OT_change_effect_input(struct wmOperatorType *ot);
 void SEQUENCER_OT_change_effect_type(struct wmOperatorType *ot);
 void SEQUENCER_OT_change_path(struct wmOperatorType *ot);
@@ -152,9 +145,6 @@ void SEQUENCER_OT_export_subtitles(struct wmOperatorType *ot);
 
 void SEQUENCER_OT_set_range_to_strips(struct wmOperatorType *ot);
 
-/* Preview specific operators. */
-void SEQUENCER_OT_view_all_preview(struct wmOperatorType *ot);
-
 /* sequencer_select.c */
 void SEQUENCER_OT_select_all(struct wmOperatorType *ot);
 void SEQUENCER_OT_select(struct wmOperatorType *ot);
@@ -169,7 +159,7 @@ void SEQUENCER_OT_select_box(struct wmOperatorType *ot);
 void SEQUENCER_OT_select_inverse(struct wmOperatorType *ot);
 void SEQUENCER_OT_select_grouped(struct wmOperatorType *ot);
 
-/* sequencer_select.c */
+/* sequencer_add.c */
 void SEQUENCER_OT_scene_strip_add(struct wmOperatorType *ot);
 void SEQUENCER_OT_movie_strip_add(struct wmOperatorType *ot);
 void SEQUENCER_OT_movieclip_strip_add(struct wmOperatorType *ot);
@@ -178,11 +168,6 @@ void SEQUENCER_OT_sound_strip_add(struct wmOperatorType *ot);
 void SEQUENCER_OT_image_strip_add(struct wmOperatorType *ot);
 void SEQUENCER_OT_effect_strip_add(struct wmOperatorType *ot);
 
-enum {
-  SEQ_SPLIT_SOFT,
-  SEQ_SPLIT_HARD,
-};
-
 /* sequencer_ops.c */
 void sequencer_operatortypes(void);
 void sequencer_keymap(struct wmKeyConfig *keyconf);
@@ -205,6 +190,13 @@ void SEQUENCER_OT_strip_modifier_copy(struct wmOperatorType *ot);
 
 /* sequencer_view.c */
 void SEQUENCER_OT_sample(struct wmOperatorType *ot);
+void SEQUENCER_OT_view_all(struct wmOperatorType *ot);
+void SEQUENCER_OT_view_frame(struct wmOperatorType *ot);
+void SEQUENCER_OT_view_all_preview(struct wmOperatorType *ot);
+void SEQUENCER_OT_view_zoom_ratio(struct wmOperatorType *ot);
+void SEQUENCER_OT_view_toggle(struct wmOperatorType *ot);
+void SEQUENCER_OT_view_selected(struct wmOperatorType *ot);
+void SEQUENCER_OT_view_ghost_border(struct wmOperatorType *ot);
 
 /* sequencer_preview.c */
 void sequencer_preview_add_sound(const struct bContext *C, struct Sequence *seq);
diff --git a/source/blender/editors/space_sequencer/sequencer_ops.c b/source/blender/editors/space_sequencer/sequencer_ops.c
index 4fe1c953c74..617ec9aef7b 100644
--- a/source/blender/editors/space_sequencer/sequencer_ops.c
+++ b/source/blender/editors/space_sequencer/sequencer_ops.c
@@ -74,14 +74,6 @@ void sequencer_operatortypes(void)
   WM_operatortype_append(SEQUENCER_OT_copy);
   WM_operatortype_append(SEQUENCER_OT_paste);
 
-  WM_operatortype_append(SEQUENCER_OT_view_all);
-  WM_operatortype_append(SEQUENCER_OT_view_selected);
-  WM_operatortype_append(SEQUENCER_OT_view_frame);
-  WM_operatortype_append(SEQUENCER_OT_view_all_preview);
-  WM_operatortype_append(SEQUENCER_OT_view_toggle);
-  WM_operatortype_append(SEQUENCER_OT_view_zoom_ratio);
-  WM_operatortype_append(SEQUENCER_OT_view_ghost_border);
-
   WM_operatortype_append(SEQUENCER_OT_rebuild_proxy);
   WM_operatortype_append(SEQUENCER_OT_enable_proxies);
   WM_operatortype_append(SEQUENCER_OT_change_effect_input);
@@ -120,6 +112,13 @@ void sequencer_operatortypes(void)
 
   /* sequencer_view.h */
   WM_operatortype_append(SEQUENCER_OT_sample);
+  WM_operatortype_append(SEQUENCER_OT_view_all);
+  WM_operatortype_append(SEQUENCER_OT_view_frame);
+  WM_operatortype_append(SEQUENCER_OT_view_all_preview);
+  WM_operatortype_append(SEQUENCER_OT_view_zoom_ratio);
+  WM_operatortype_append(SEQUENCER_OT_view_toggle);
+  WM_operatortype_append(SEQUENCER_OT_view_selected);
+  WM_operatortype_append(SEQUENCER_OT_view_ghost_border);
 }
 
 void sequencer_keymap(wmKeyConfig *keyconf)
diff --git a/source/blender/editors/space_sequencer/sequencer_view.c b/source/blender/editors/space_sequencer/sequencer_view.c
index d397c255b03..dcc18aad981 100644
--- a/source/blender/editors/space_sequencer/sequencer_view.c
+++ b/source/blender/editors/space_sequencer/sequencer_view.c
@@ -21,16 +21,36 @@
  * \ingroup spseq
  */
 
-#include "ED_util_imbuf.h"
+#include "BLI_blenlib.h"
+#include "BLI_math.h"
+#include "BLI_utildefines.h"
 
-#include "RNA_define.h"
+#include "DNA_scene_types.h"
+
+#include "BKE_context.h"
+#include "BKE_sequencer.h"
 
+#include "WM_api.h"
 #include "WM_types.h"
 
+#include "RNA_define.h"
+
+#include "UI_view2d.h"
+
+#include "RNA_define.h"
+
+/* For menu, popup, icons, etc. */
+#include "ED_anim_api.h"
+#include "ED_screen.h"
+#include "ED_util_imbuf.h"
+
 /* Own include. */
 #include "sequencer_intern.h"
 
-/******************** sample backdrop operator ********************/
+/* -------------------------------------------------------------------- */
+/** \name Sequencer Sample Backdrop Operator
+ * \{ */
+
 void SEQUENCER_OT_sample(wmOperatorType *ot)
 {
   /* Identifiers. */
@@ -53,3 +73,381 @@ void SEQUENCER_OT_sample(wmOperatorType *ot)
   RNA_def_property_subtype(prop, PROP_PIXEL);
   RNA_def_property_flag(prop, PROP_SKIP_SAVE | PROP_HIDDEN);
 }
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Sequencer Frame All Operator
+ * \{ */
+
+static int sequencer_view_all_exec(bContext *C, wmOperator *op)
+{
+  ARegion *region = CTX_wm_region(C);
+  rctf box;
+
+  const int smooth_viewtx = WM_operator_smooth_viewtx_get(op);
+
+  boundbox_seq(CTX_data_scene(C), &box);
+  UI_view2d_smooth_view(C, region, &box, smooth_viewtx);
+  return OPERATOR_FINISHED;
+}
+
+void SEQUENCER_OT_view_all(wmOperatorType *ot)
+{
+  /* Identifiers. */
+  ot->name = "Frame All";
+  ot->idname = "SEQUENCER_OT_view_all";
+  ot->description = "View all the strips in the sequencer";
+
+  /* Api callbacks. */
+  ot->exec = sequencer_view_all_exec;
+  ot->poll = ED_operator_sequencer_active;
+
+  /* Flags. */
+  ot->flag = OPTYPE_REGISTER;
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Go to Current Frame Operator
+ * \{ */
+
+static int sequencer_view_frame_exec(bContext *C, wmOperator *op)
+{
+  const int smooth_viewtx = WM_operator_smooth_viewtx_get(op);
+  ANIM_center_frame(C, smooth_viewtx);
+
+  return OPERATOR_FINISHED;
+}
+
+void SEQUENCER_OT_view_frame(wmOperatorType *ot)
+{
+  /* Identifiers. */
+  ot->name = "Go to Current Frame";
+  ot->idname = "SEQUENCER_OT_view_frame";
+  ot->description = "Move the view to the current frame";
+
+  /* Api callbacks. */
+  ot->exec = sequencer_view_frame_exec;
+  ot->poll = ED_operator_sequencer_active;
+
+  /* Flags. */
+  ot->flag = 0;
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Preview Frame All Operator
+ * \{ */
+
+static int sequencer_view_all_preview_exec(bContext *C, wmOperator *UNUSED(op))
+{
+  bScreen *screen = CTX_wm_screen(C);
+  ScrArea *area = CTX_wm_area(C);
+#if 0
+  ARegion *region = CTX_wm_region(C);
+  SpaceSeq *sseq = area->spacedata.first;
+  Scene *scene = CTX_data_scene(C);
+#endif
+  View2D *v2d = UI_view2d_fromcontext(C);
+
+  v2d->cur = v2d->tot;
+  UI_view2d_curRect_validate(v2d);
+  UI_view2d_sync(screen, area, v2d, V2D_LOCK_COPY);
+
+#if 0
+  /* Like zooming on an image view. */
+  float zoomX, zoomY;
+  int width, height, imgwidth, imgheight;
+
+  width = region->winx;
+  height = region->winy;
+
+  seq_reset_imageofs(sseq);
+
+  imgwidth = (scene->r.size * scene->r.xsch) / 100;
+  imgheight = (scene->r.size * scene->r.ysch) / 100;
+
+  /* Apply aspect, doesn't need to be that accurate. */
+  imgwidth = (int)(imgwidth * (scene->r.xasp / scene->r.yasp));
+
+  if (((imgwidth >= width) || (imgheight >= height)) && ((width > 0) && (height > 0))) {
+    /* Find the zoom value that will fit the image in the image space. */
+    zoomX = ((float)width) / ((float)imgwidth);
+    zoomY = ((float)height) / ((float)imgheight);
+    sseq->zoom = (zoomX < zoomY) ? zoomX : zoomY;
+
+    sseq->zoom = 1.0f / power_of_2(1 / min_ff(zoomX, zoomY));
+  }
+  else {
+    sseq->zoom = 1.0f;
+  }
+#endif
+
+  ED_area_tag_redraw(CTX_wm_area(C));
+  return OPERATOR_FINISHED;
+}
+
+void SEQUENCER_OT_view_all_preview(wmOperatorType *ot)
+{
+  /* Identifiers. */
+  ot->name = "Frame All";
+  ot->idname = "SEQUENCER_OT_view_all_preview";
+  ot->description = "Zoom preview to fit in the area";
+
+  /* Api callbacks. */
+  ot->exec = sequencer_view_all_preview_exec;
+  ot->poll = ED_operator_sequencer_active;
+
+  /* Flags. */
+  ot->flag = OPTYPE_REGISTER;
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Sequencer View Zoom Ratio Operator
+ * \{ */
+
+static int sequencer_view_zoom_ratio_exec(bContext *C, wmOperator *op)
+{
+  RenderData *rd = &CTX_data_scene(C)->r;
+  View2D *v2d = UI_view2d_fromcontext(C);
+
+  float ratio = RNA_float_get(op->ptr, "ratio");
+
+  float winx = (int)(rd->size * rd->xsch) / 100;
+  float winy = (int)(rd->size * rd->ysch) / 100;
+
+  float facx = BLI_rcti_size_x(&v2d->mask) / winx;
+  float facy = BLI_rcti_size_y(&v2d->mask) / winy;
+
+  BLI_rctf_resize(&v2d->cur, ceilf(winx * facx / ratio + 0.5f), ceilf(winy * facy / ratio + 0.5f));
+
+  ED_region_tag_redraw(CTX_wm_region(C));
+
+  return OPERATOR_FINISHED;
+}
+
+void SEQUENCER_OT_view_zoom_ratio(wmOperatorType *ot)
+{
+  /* Identifiers. */
+  ot->name = "Sequencer View Zoom Ratio";
+  ot->idname = "SEQUENCER_OT_view_zoom_ratio";
+  ot->description = "Change zoom ratio of sequencer preview";
+
+  /* Api callbacks. */
+  ot->exec = sequencer_view_zoom_ratio_exec;
+  ot->poll = ED_operator_sequencer_active;
+
+  /* Properties. */
+  RNA_def_float(ot->srna,
+                "ratio",
+                1.0f,
+                -FLT_MAX,
+                FLT_MAX,
+                "Ratio",
+                "Zoom ratio, 1.0 is 1:1, higher is zoomed in, lower is zoomed out",
+                -FLT_MAX,
+                FLT_MAX);
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name View Toggle Operator
+ * \{ */
+
+#if 0
+static const EnumPropertyItem view_type_items[] = {
+    {SEQ_VIEW_SEQUENCE, "SEQUENCER", ICON_SEQ_SEQUENCER, "Sequencer", ""},
+    {SEQ_VIEW_PREVIEW, "PREVIEW", ICON_SEQ_PREVIEW, "Image Preview", ""},
+    {SEQ_VIEW_SEQUENCE_PREVIEW,
+     "SEQUENCER_PREVIEW",
+     ICON_SEQ_SEQUENCER,
+     "Sequencer and Image Preview",
+     ""},
+    {0, NULL, 0, NULL, NULL},
+};
+#endif
+
+static int sequencer_view_toggle_exec(bContext *C, wmOperator *UNUSED(op))
+{
+  SpaceSeq *sseq = (SpaceSeq *)CTX_wm_space_data(C);
+
+  sseq->view++;
+  if (sseq->view > SEQ_VIEW_SEQUENCE_PREVIEW) {
+    sseq->view = SEQ_VIEW_SEQUENCE;
+  }
+
+  ED_area_tag_refresh(CTX_wm_area(C));
+
+  return OPERATOR_FINISHED;
+}
+
+void SEQUENCER_OT_view_toggle(wmOperatorType *ot)
+{
+  /* Identifiers. */
+  ot->name = "View Toggle";
+  ot->idname = "SEQUENCER_OT_view_toggle";
+  ot->description = "Toggle between sequencer views (sequence, preview, both)";
+
+  /* Api callbacks. */
+  ot->exec = sequencer_view_toggle_exec;
+  ot->poll = ED_operator_sequencer_active;
+
+  /* Flags. */
+  ot->flag = OPTYPE_REGISTER;
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Frame Selected Operator
+ * \{ */
+
+static int sequencer_view_selected_exec(bContext *C, wmOperator *op)
+{
+  Scene *scene = CTX_data_scene(C);
+  View2D *v2d = UI_view2d_fromcontext(C);
+  ARegion *region = CTX_wm_region(C);
+  Editing *ed = BKE_sequencer_editing_get(scene, false);
+  Sequence *last_seq = BKE_sequencer_active_get(scene);
+  Sequence *seq;
+  rctf cur_new = v2d->cur;
+
+  int xmin = MAXFRAME * 2;
+  int xmax = -MAXFRAME * 2;
+  int ymin = MAXSEQ + 1;
+  int ymax = 0;
+  int orig_height;
+  int ymid;
+  int ymargin = 1;
+  int xmargin = FPS;
+
+  if (ed == NULL) {
+    return OPERATOR_CANCELLED;
+  }
+
+  for (seq = ed->seqbasep->first; seq; seq = seq->next) {
+    if ((seq->flag & SELECT) || (seq == last_seq)) {
+      xmin = min_ii(xmin, seq->startdisp);
+      xmax = max_ii(xmax, seq->enddisp);
+
+      ymin = min_ii(ymin, seq->machine);
+      ymax = max_ii(ymax, seq->machine);
+    }
+  }
+
+  if (ymax != 0) {
+    const int smooth_viewtx = WM_operator_smooth_viewtx_get(op);
+
+    xmax += xmargin;
+    xmin -= xmargin;
+    ymax += ymargin;
+    ymin -= ymargin;
+
+    orig_height = BLI_rctf_size_y(&cur_new);
+
+    cur_new.xmin = xmin;
+    cur_new.xmax = xmax;
+
+    cur_new.ymin = ymin;
+    cur_new.ymax = ymax;
+
+    /* Only zoom out vertically. */
+    if (orig_height > BLI_rctf_size_y(&cur_new)) {
+      ymid = BLI_rctf_cent_y(&cur_new);
+
+      cur_new.ymin = ymid - (orig_height / 2);
+      cur_new.ymax = ymid + (orig_height / 2);
+    }
+
+    UI_view2d_smooth_view(C, region, &cur_new, smooth_viewtx);
+
+    return OPERATOR_FINISHED;
+  }
+  else {
+    return OPERATOR_CANCELLED;
+  }
+}
+
+void SEQUENCER_OT_view_selected(wmOperatorType *ot)
+{
+  /* Identifiers. */
+  ot->name = "Frame Selected";
+  ot->idname = "SEQUENCER_OT_view_selected";
+  ot->description = "Zoom the sequencer on the selected strips";
+
+  /* Api callbacks. */
+  ot->exec = sequencer_view_selected_exec;
+  ot->poll = ED_operator_sequencer_active;
+
+  /* Flags. */
+  ot->flag = OPTYPE_REGISTER;
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Border Offset View Operator
+ * \{ */
+
+static int view_ghost_border_exec(bContext *C, wmOperator *op)
+{
+  Scene *scene = CTX_data_scene(C);
+  View2D *v2d = UI_view2d_fromcontext(C);
+
+  rctf rect;
+
+  /* Convert coordinates of rect to 'tot' rect coordinates. */
+  WM_operator_properties_border_to_rctf(op, &rect);
+  UI_view2d_region_to_view_rctf(v2d, &rect, &rect);
+
+  rect.xmin /= fabsf(BLI_rctf_size_x(&v2d->tot));
+  rect.ymin /= fabsf(BLI_rctf_size_y(&v2d->tot));
+
+  rect.xmax /= fabsf(BLI_rctf_size_x(&v2d->tot));
+  rect.ymax /= fabsf(BLI_rctf_size_y(&v2d->tot));
+
+  rect.xmin += 0.5f;
+  rect.xmax += 0.5f;
+  rect.ymin += 0.5f;
+  rect.ymax += 0.5f;
+
+  CLAMP(rect.xmin, 0.0f, 1.0f);
+  CLAMP(rect.ymin, 0.0f, 1.0f);
+  CLAMP(rect.xmax, 0.0f, 1.0f);
+  CLAMP(rect.ymax, 0.0f, 1.0f);
+
+  scene->ed->over_border = rect;
+
+  WM_event_add_notifier(C, NC_SCENE | ND_SEQUENCER, scene);
+
+  return OPERATOR_FINISHED;
+}
+
+void SEQUENCER_OT_view_ghost_border(wmOperatorType *ot)
+{
+  /* Identifiers. */
+  ot->name = "Border Offset View";
+  ot->idname = "SEQUENCER_OT_view_ghost_border";
+  ot->description = "Set the boundaries of the border used for offset-view";
+
+  /* Api callbacks. */
+  ot->invoke = WM_gesture_box_invoke;
+  ot->exec = view_ghost_border_exec;
+  ot->modal = WM_gesture_box_modal;
+  ot->poll = sequencer_view_preview_poll;
+  ot->cancel = WM_gesture_box_cancel;
+
+  /* Flags. */
+  ot->flag = 0;
+
+  /* Properties. */
+  WM_operator_properties_gesture_box(ot);
+}
+
+/** \} */