[gnome-builder] libide/editor: use basename for tab title

[Christian Hergert <chergert src gnome org>]

commit ff6fbe2ed616450712ca939f5b63cfb51a63dd60
Author: Christian Hergert <chergert redhat com>
Date:   Mon Sep 26 21:52:11 2022 -0700

    libide/editor: use basename for tab title
    
    But provide the project-relative path (or absolute if not in the project)
    for the tooltip on the tab.
    
    Related #1821

 meson.build                         |  2 +-
 src/libide/editor/ide-editor-page.c | 18 +++++++++++++++++-
 2 files changed, 18 insertions(+), 2 deletions(-)
---
diff --git a/meson.build b/meson.build
index 5bdf669df..7b0360117 100644
--- a/meson.build
+++ b/meson.build
@@ -297,7 +297,7 @@ libgio_dep = dependency('gio-2.0', version: glib_req)
 libgiounix_dep = dependency('gio-unix-2.0', version: glib_req)
 libgtk_dep = dependency('gtk4', version: gtk_req)
 libadwaita_dep = dependency('libadwaita-1', version: libadwaita_req)
-libpanel_dep = dependency('libpanel-1', version: '>= 1.0.0')
+libpanel_dep = dependency('libpanel-1', version: '>= 1.1.0')
 libgtksource_dep = dependency('gtksourceview-5', version: gtksourceview_req)
 libjson_glib_dep = dependency('json-glib-1.0', version: '>= 1.2.0')
 libjsonrpc_glib_dep = dependency('jsonrpc-glib-1.0', version: '>= 3.42.0')
diff --git a/src/libide/editor/ide-editor-page.c b/src/libide/editor/ide-editor-page.c
index 863989beb..d7bb561b3 100644
--- a/src/libide/editor/ide-editor-page.c
+++ b/src/libide/editor/ide-editor-page.c
@@ -142,6 +142,17 @@ ide_editor_page_style_scheme_changed_cb (IdeEditorPage *self,
     ide_gutter_style_changed (self->gutter);
 }
 
+static gboolean
+file_to_basename (GBinding     *binding,
+                  const GValue *from_value,
+                  GValue       *to_value,
+                  gpointer      user_data)
+{
+  GFile *file = g_value_get_object (from_value);
+  g_value_take_string (to_value, g_file_get_basename (file));
+  return TRUE;
+}
+
 static void
 ide_editor_page_set_buffer (IdeEditorPage *self,
                             IdeBuffer     *buffer)
@@ -187,8 +198,13 @@ ide_editor_page_set_buffer (IdeEditorPage *self,
                                self,
                                G_CONNECT_SWAPPED);
 
+      g_object_bind_property_full (buffer, "file",
+                                   self, "title",
+                                   G_BINDING_SYNC_CREATE,
+                                   file_to_basename, NULL,
+                                   NULL, NULL);
       g_object_bind_property (buffer, "title",
-                              self, "title",
+                              self, "tooltip",
                               G_BINDING_SYNC_CREATE);
 
       ide_editor_page_notify_file_cb (self, NULL, buffer);