[gnome-builder/wip/gtk4-port] libide/editor: ensure focus when opening pages

[Christian Hergert <chergert src gnome org>]

commit 9052fd3b432d654eb0ba392d5e8f1c0be8cfabc0
Author: Christian Hergert <chergert redhat com>
Date:   Sat Apr 2 03:22:38 2022 -0700

    libide/editor: ensure focus when opening pages

 src/libide/editor/ide-editor-page.c | 8 ++++++++
 src/libide/editor/ide-editor.c      | 2 ++
 2 files changed, 10 insertions(+)
---
diff --git a/src/libide/editor/ide-editor-page.c b/src/libide/editor/ide-editor-page.c
index c990d1b79..129f169db 100644
--- a/src/libide/editor/ide-editor-page.c
+++ b/src/libide/editor/ide-editor-page.c
@@ -46,6 +46,12 @@ ide_editor_page_set_buffer (IdeEditorPage *self,
     gtk_text_view_set_buffer (GTK_TEXT_VIEW (self->view), GTK_TEXT_BUFFER (buffer));
 }
 
+static gboolean
+ide_editor_page_grab_focus (GtkWidget *widget)
+{
+  return gtk_widget_grab_focus (GTK_WIDGET (IDE_EDITOR_PAGE (widget)->view));
+}
+
 static void
 ide_editor_page_dispose (GObject *object)
 {
@@ -108,6 +114,8 @@ ide_editor_page_class_init (IdeEditorPageClass *klass)
   object_class->get_property = ide_editor_page_get_property;
   object_class->set_property = ide_editor_page_set_property;
 
+  widget_class->grab_focus = ide_editor_page_grab_focus;
+
   /**
    * IdeEditorPage:buffer:
    *
diff --git a/src/libide/editor/ide-editor.c b/src/libide/editor/ide-editor.c
index a6121eb75..97151de55 100644
--- a/src/libide/editor/ide-editor.c
+++ b/src/libide/editor/ide-editor.c
@@ -162,6 +162,8 @@ focus_complete (Focus        *focus,
           gtk_text_buffer_select_range (GTK_TEXT_BUFFER (focus->buffer), &iter, &iter);
           ide_source_view_scroll_to_insert (view);
         }
+
+      gtk_widget_grab_focus (GTK_WIDGET (page));
     }
 
   focus_free (focus);