[gnome-builder/wip/gtk4-port] libide/sourceview: make jump helper usable with TextView

[Christian Hergert <chergert src gnome org>]

commit cf11ddce02511ce620c9d71ee5998625a8adf147
Author: Christian Hergert <chergert redhat com>
Date:   Mon May 23 13:35:15 2022 -0700

    libide/sourceview: make jump helper usable with TextView

 src/libide/sourceview/ide-source-view.c | 5 ++---
 src/libide/sourceview/ide-source-view.h | 2 +-
 2 files changed, 3 insertions(+), 4 deletions(-)
---
diff --git a/src/libide/sourceview/ide-source-view.c b/src/libide/sourceview/ide-source-view.c
index 015190fef..a34e28bed 100644
--- a/src/libide/sourceview/ide-source-view.c
+++ b/src/libide/sourceview/ide-source-view.c
@@ -356,7 +356,7 @@ ide_source_view_scroll_to_insert_in_idle_cb (gpointer user_data)
   mark = gtk_text_buffer_get_insert (buffer);
   gtk_text_buffer_get_iter_at_mark (buffer, &iter, mark);
 
-  ide_source_view_jump_to_iter (self, &iter, .25, TRUE, 1.0, 0.5);
+  ide_source_view_jump_to_iter (GTK_TEXT_VIEW (self), &iter, .25, TRUE, 1.0, 0.5);
 
   IDE_RETURN (G_SOURCE_REMOVE);
 }
@@ -977,14 +977,13 @@ ide_source_view_remove_menu (IdeSourceView *self,
  * when animations would cause additional distractions.
  */
 void
-ide_source_view_jump_to_iter (IdeSourceView     *self,
+ide_source_view_jump_to_iter (GtkTextView       *text_view,
                               const GtkTextIter *iter,
                               double             within_margin,
                               gboolean           use_align,
                               double             xalign,
                               double             yalign)
 {
-  GtkTextView *text_view = (GtkTextView *)self;
   GtkAdjustment *hadj;
   GtkAdjustment *vadj;
   GdkRectangle rect;
diff --git a/src/libide/sourceview/ide-source-view.h b/src/libide/sourceview/ide-source-view.h
index e243614d4..28c6f50db 100644
--- a/src/libide/sourceview/ide-source-view.h
+++ b/src/libide/sourceview/ide-source-view.h
@@ -67,7 +67,7 @@ IDE_AVAILABLE_IN_ALL
 void                        ide_source_view_remove_menu         (IdeSourceView             *self,
                                                                  GMenuModel                *menu_model);
 IDE_AVAILABLE_IN_ALL
-void                        ide_source_view_jump_to_iter        (IdeSourceView             *self,
+void                        ide_source_view_jump_to_iter        (GtkTextView               *text_view,
                                                                  const GtkTextIter         *iter,
                                                                  double                     within_margin,
                                                                  gboolean                   use_align,