[gnome-builder/wip/gtk4-port] libide/gui: add helper to go to preferences page

[Christian Hergert <chergert src gnome org>]

commit 3b412add35eda3d74655f3437b3d92fb76e199b3
Author: Christian Hergert <chergert redhat com>
Date:   Fri Jun 10 15:23:05 2022 -0700

    libide/gui: add helper to go to preferences page

 src/libide/gui/ide-application-actions.c | 19 +++++++++----
 src/libide/gui/ide-preferences-window.c  | 46 +++++++++++++++++++++++++++-----
 src/libide/gui/ide-preferences-window.h  |  3 +++
 3 files changed, 56 insertions(+), 12 deletions(-)
---
diff --git a/src/libide/gui/ide-application-actions.c b/src/libide/gui/ide-application-actions.c
index 5c76de0b2..19e5a7e76 100644
--- a/src/libide/gui/ide-application-actions.c
+++ b/src/libide/gui/ide-application-actions.c
@@ -41,6 +41,7 @@ ide_application_actions_preferences (GSimpleAction *action,
                                      gpointer       user_data)
 {
   IdeApplication *self = user_data;
+  const char *page = NULL;
   IdeContext *context = NULL;
   GtkWindow *toplevel = NULL;
   GtkWindow *window;
@@ -51,6 +52,10 @@ ide_application_actions_preferences (GSimpleAction *action,
   g_assert (G_IS_SIMPLE_ACTION (action));
   g_assert (IDE_IS_APPLICATION (self));
 
+  if (parameter != NULL &&
+      g_variant_is_of_type (parameter, G_VARIANT_TYPE_STRING))
+    page = g_variant_get_string (parameter, NULL);
+
   /* Locate a toplevel for a transient-for property, or a previous
    * preferences window to display.
    */
@@ -88,6 +93,9 @@ ide_application_actions_preferences (GSimpleAction *action,
   gtk_application_add_window (GTK_APPLICATION (self), window);
   ide_gtk_window_present (window);
 
+  if (page != NULL)
+    ide_preferences_window_set_page (IDE_PREFERENCES_WINDOW (window), page);
+
   IDE_EXIT;
 }
 
@@ -356,12 +364,13 @@ ide_application_actions_stats (GSimpleAction *action,
 }
 
 static const GActionEntry IdeApplicationActions[] = {
-  { "about:types",  ide_application_actions_stats },
-  { "about",        ide_application_actions_about },
+  { "about:types", ide_application_actions_stats },
+  { "about", ide_application_actions_about },
   { "load-project", ide_application_actions_load_project, "s"},
-  { "preferences",  ide_application_actions_preferences },
-  { "quit",         ide_application_actions_quit },
-  { "help",         ide_application_actions_help },
+  { "preferences", ide_application_actions_preferences },
+  { "preferences-page", ide_application_actions_preferences, "s" },
+  { "quit", ide_application_actions_quit },
+  { "help", ide_application_actions_help },
 };
 
 void
diff --git a/src/libide/gui/ide-preferences-window.c b/src/libide/gui/ide-preferences-window.c
index ff7186ac4..c9bfd5aad 100644
--- a/src/libide/gui/ide-preferences-window.c
+++ b/src/libide/gui/ide-preferences-window.c
@@ -688,21 +688,17 @@ get_project_title (IdePreferencesWindow *self)
 }
 
 static void
-ide_preferences_window_page_activated_cb (IdePreferencesWindow *self,
-                                          GtkListBoxRow        *row,
-                                          GtkListBox           *list_box)
+ide_preferences_window_set_page_entry (IdePreferencesWindow         *self,
+                                       const IdePreferencePageEntry *entry)
 {
   g_autofree char *project_title = NULL;
-  const IdePreferencePageEntry *entry;
   const IdePreferencePageEntry *parent;
   AdwPreferencesPage *page;
   GtkWidget *visible_child;
 
   g_assert (IDE_IS_PREFERENCES_WINDOW (self));
-  g_assert (GTK_IS_LIST_BOX_ROW (row));
-  g_assert (GTK_IS_LIST_BOX (list_box));
+  g_assert (entry != NULL);
 
-  entry = g_object_get_data (G_OBJECT (row), "ENTRY");
   if (entry == self->current_page)
     return;
 
@@ -792,6 +788,25 @@ ide_preferences_window_page_activated_cb (IdePreferencesWindow *self,
                         drop_page_free);
 }
 
+static void
+ide_preferences_window_page_activated_cb (IdePreferencesWindow *self,
+                                          GtkListBoxRow        *row,
+                                          GtkListBox           *list_box)
+{
+  const IdePreferencePageEntry *entry;
+
+  g_assert (IDE_IS_PREFERENCES_WINDOW (self));
+  g_assert (GTK_IS_LIST_BOX_ROW (row));
+  g_assert (GTK_IS_LIST_BOX (list_box));
+
+  entry = g_object_get_data (G_OBJECT (row), "ENTRY");
+
+  if (entry == self->current_page)
+    return;
+
+  ide_preferences_window_set_page_entry (self, entry);
+}
+
 static void
 create_navigation_page (IdePreferencesWindow  *self,
                         Page                 **out_page)
@@ -849,6 +864,8 @@ ide_preferences_window_rebuild (IdePreferencesWindow *self)
 
   g_assert (IDE_IS_PREFERENCES_WINDOW (self));
 
+  g_clear_handle_id (&self->rebuild_source, g_source_remove);
+
   /* Remove old widgets */
   for (GtkWidget *child = gtk_widget_get_first_child (GTK_WIDGET (self->pages_stack));
        child != NULL;
@@ -1604,3 +1621,18 @@ ide_preferences_window_get_context (IdePreferencesWindow *self)
 
   return self->context;
 }
+
+void
+ide_preferences_window_set_page (IdePreferencesWindow *self,
+                                 const char           *page)
+{
+  const IdePreferencePageEntry *p;
+
+  g_return_if_fail (IDE_IS_PREFERENCES_WINDOW (self));
+  g_return_if_fail (page != NULL);
+
+  ide_preferences_window_rebuild (self);
+
+  if ((p = get_page (self, page)))
+    ide_preferences_window_set_page_entry (self, p);
+}
diff --git a/src/libide/gui/ide-preferences-window.h b/src/libide/gui/ide-preferences-window.h
index 150651035..b5878f377 100644
--- a/src/libide/gui/ide-preferences-window.h
+++ b/src/libide/gui/ide-preferences-window.h
@@ -97,6 +97,9 @@ IdePreferencesMode  ide_preferences_window_get_mode   (IdePreferencesWindow
 IDE_AVAILABLE_IN_ALL
 IdeContext         *ide_preferences_window_get_context (IdePreferencesWindow          *self);
 IDE_AVAILABLE_IN_ALL
+void                ide_preferences_window_set_page   (IdePreferencesWindow          *self,
+                                                       const char                    *page);
+IDE_AVAILABLE_IN_ALL
 void                ide_preferences_window_add_pages  (IdePreferencesWindow          *self,
                                                        const IdePreferencePageEntry  *pages,
                                                        gsize                          n_pages,