View2D: Centralize handling of changes to v2d->cur

Currently there are no functional changes, preparing code to add more
functionality which is to be run from navigation/zoom operators.

4 files changed, 24 insertions, 13 deletions

diff --git a/source/blender/editors/include/UI_view2d.h b/source/blender/editors/include/UI_view2d.h
index 6e0f4434b7b..1bd9b3063bd 100644
--- a/source/blender/editors/include/UI_view2d.h
+++ b/source/blender/editors/include/UI_view2d.h
@@ -120,6 +120,12 @@ void UI_view2d_curRect_validate(struct View2D *v2d);
 void UI_view2d_curRect_reset(struct View2D *v2d);
 void UI_view2d_sync(struct bScreen *screen, struct ScrArea *area, struct View2D *v2dcur, int flag);
 
+/* Perform all required updates after `v2d->cur` as been modified.
+ * This includes like validation view validation (UI_view2d_curRect_validate).
+ *
+ * Current lintent is to use it from user code, such as view navigation and zoom operations. */
+void UI_view2d_curRect_changed(const struct bContext *C, struct View2D *v2d);
+
 void UI_view2d_totRect_set(struct View2D *v2d, int width, int height);
 void UI_view2d_totRect_set_resize(struct View2D *v2d, int width, int height, bool resize);
 
diff --git a/source/blender/editors/interface/view2d.c b/source/blender/editors/interface/view2d.c
index 3efed43e08c..9d029f3292f 100644
--- a/source/blender/editors/interface/view2d.c
+++ b/source/blender/editors/interface/view2d.c
@@ -853,6 +853,11 @@ void UI_view2d_curRect_validate(View2D *v2d)
   ui_view2d_curRect_validate_resize(v2d, false);
 }
 
+void UI_view2d_curRect_changed(const bContext *UNUSED(C), View2D *v2d)
+{
+  UI_view2d_curRect_validate(v2d);
+}
+
 /* ------------------ */
 
 /* Called by menus to activate it, or by view2d operators
diff --git a/source/blender/editors/interface/view2d_ops.c b/source/blender/editors/interface/view2d_ops.c
index d62058699d9..7caa61ec91d 100644
--- a/source/blender/editors/interface/view2d_ops.c
+++ b/source/blender/editors/interface/view2d_ops.c
@@ -185,8 +185,8 @@ static void view_pan_apply_ex(bContext *C, v2dViewPanData *vpd, float dx, float
     v2d->cur.ymax += dy;
   }
 
-  /* validate that view is in valid configuration after this operation */
-  UI_view2d_curRect_validate(v2d);
+  /* Inform v2d about changes after this operation. */
+  UI_view2d_curRect_changed(C, v2d);
 
   /* don't rebuild full tree in outliner, since we're just changing our view */
   ED_region_tag_redraw_no_rebuild(vpd->region);
@@ -957,8 +957,8 @@ static void view_zoomstep_apply_ex(
     }
   }
 
-  /* validate that view is in valid configuration after this operation */
-  UI_view2d_curRect_validate(v2d);
+  /* Inform v2d about changes after this operation. */
+  UI_view2d_curRect_changed(C, v2d);
 
   if (ED_region_snap_size_apply(region, snap_test)) {
     ScrArea *area = CTX_wm_area(C);
@@ -1216,8 +1216,8 @@ static void view_zoomdrag_apply(bContext *C, wmOperator *op)
     }
   }
 
-  /* validate that view is in valid configuration after this operation */
-  UI_view2d_curRect_validate(v2d);
+  /* Inform v2d about changes after this operation. */
+  UI_view2d_curRect_changed(C, v2d);
 
   if (ED_region_snap_size_apply(vzd->region, snap_test)) {
     ScrArea *area = CTX_wm_area(C);
@@ -1806,7 +1806,7 @@ void UI_view2d_smooth_view(bContext *C, ARegion *region, const rctf *cur, const
   if (ok == false) {
     v2d->cur = sms.new_cur;
 
-    UI_view2d_curRect_validate(v2d);
+    UI_view2d_curRect_changed(C, v2d);
     ED_region_tag_redraw_no_rebuild(region);
     UI_view2d_sync(CTX_wm_screen(C), CTX_wm_area(C), v2d, V2D_LOCK_COPY);
   }
@@ -1853,7 +1853,7 @@ static int view2d_smoothview_invoke(bContext *C, wmOperator *UNUSED(op), const w
     BLI_rctf_interp(&v2d->cur, &sms->orig_cur, &sms->new_cur, step);
   }
 
-  UI_view2d_curRect_validate(v2d);
+  UI_view2d_curRect_changed(C, v2d);
   UI_view2d_sync(CTX_wm_screen(C), CTX_wm_area(C), v2d, V2D_LOCK_COPY);
   ED_region_tag_redraw_no_rebuild(region);
 
@@ -2176,8 +2176,8 @@ static void scroller_activate_apply(bContext *C, wmOperator *op)
       break;
   }
 
-  /* validate that view is in valid configuration after this operation */
-  UI_view2d_curRect_validate(v2d);
+  /* Inform v2d about changes after this operation. */
+  UI_view2d_curRect_changed(C, v2d);
 
   /* request updates to be done... */
   ED_region_tag_redraw_no_rebuild(vsm->region);
@@ -2410,8 +2410,8 @@ static int reset_exec(bContext *C, wmOperator *UNUSED(op))
     }
   }
 
-  /* validate that view is in valid configuration after this operation */
-  UI_view2d_curRect_validate(v2d);
+  /* Inform v2d about changes after this operation. */
+  UI_view2d_curRect_changed(C, v2d);
 
   if (ED_region_snap_size_apply(region, snap_test)) {
     ScrArea *area = CTX_wm_area(C);
diff --git a/source/blender/editors/space_sequencer/sequencer_view.c b/source/blender/editors/space_sequencer/sequencer_view.c
index c1dac30bcb6..2b9370970de 100644
--- a/source/blender/editors/space_sequencer/sequencer_view.c
+++ b/source/blender/editors/space_sequencer/sequencer_view.c
@@ -154,7 +154,7 @@ static int sequencer_view_all_preview_exec(bContext *C, wmOperator *UNUSED(op))
   View2D *v2d = UI_view2d_fromcontext(C);
 
   v2d->cur = v2d->tot;
-  UI_view2d_curRect_validate(v2d);
+  UI_view2d_curRect_changed(C, v2d);
   UI_view2d_sync(screen, area, v2d, V2D_LOCK_COPY);
 
 #if 0