[gnome-builder/wip/gtk4-port] libide/sourceview: implement sort lines

[Christian Hergert <chergert src gnome org>]

commit 8b528567851823253560b1b2c04ee639e96dab07
Author: Christian Hergert <chergert redhat com>
Date:   Sat May 14 17:46:19 2022 -0700

    libide/sourceview: implement sort lines

 src/libide/sourceview/gtk/menus.ui      |  1 +
 src/libide/sourceview/ide-source-view.c | 35 ++++++++++++++++++++++++++++++---
 2 files changed, 33 insertions(+), 3 deletions(-)
---
diff --git a/src/libide/sourceview/gtk/menus.ui b/src/libide/sourceview/gtk/menus.ui
index 3600ff4ab..d2c5078aa 100644
--- a/src/libide/sourceview/gtk/menus.ui
+++ b/src/libide/sourceview/gtk/menus.ui
@@ -95,6 +95,7 @@
           <item>
             <attribute name="label" translatable="yes">S_ort Lines</attribute>
             <attribute name="action">selection.sort</attribute>
+            <attribute name="target" type="(bb)">(false, false)</attribute>
             <attribute name="accel">&lt;shift&gt;&lt;control&gt;j</attribute>
           </item>
         </section>
diff --git a/src/libide/sourceview/ide-source-view.c b/src/libide/sourceview/ide-source-view.c
index e3c57f21c..25467d7eb 100644
--- a/src/libide/sourceview/ide-source-view.c
+++ b/src/libide/sourceview/ide-source-view.c
@@ -493,9 +493,38 @@ ide_source_view_size_allocate (GtkWidget *widget,
 static void
 ide_source_view_selection_sort (GtkWidget  *widget,
                                 const char *action_name,
-                                GVariant   *params)
+                                GVariant   *param)
 {
-  //gtk_source_buffer_sort_lines (buffer, &begin, &end, flags, column);
+  IdeSourceView *self = (IdeSourceView *)widget;
+  GtkSourceSortFlags sort_flags = GTK_SOURCE_SORT_FLAGS_NONE;
+  GtkTextBuffer *buffer;
+  GtkTextIter begin;
+  GtkTextIter end;
+  gboolean ignore_case;
+  gboolean reverse;
+
+  g_assert (IDE_IS_SOURCE_VIEW (self));
+  g_assert (g_variant_is_of_type (param, G_VARIANT_TYPE ("(bb)")));
+
+  g_variant_get (param, "(bb)", &ignore_case, &reverse);
+
+  buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (self));
+  gtk_text_buffer_get_selection_bounds (buffer, &begin, &end);
+
+  if (gtk_text_iter_equal (&begin, &end))
+    gtk_text_buffer_get_bounds (buffer, &begin, &end);
+
+  if (!ignore_case)
+    sort_flags |= GTK_SOURCE_SORT_FLAGS_CASE_SENSITIVE;
+
+  if (reverse)
+    sort_flags |= GTK_SOURCE_SORT_FLAGS_REVERSE_ORDER;
+
+  gtk_source_buffer_sort_lines (GTK_SOURCE_BUFFER (buffer),
+                                &begin,
+                                &end,
+                                sort_flags,
+                                0);
 }
 
 static void
@@ -685,7 +714,7 @@ ide_source_view_class_init (IdeSourceViewClass *klass)
   g_object_class_install_properties (object_class, N_PROPS, properties);
 
   gtk_widget_class_install_action (widget_class, "menu.popup", NULL, ide_source_view_menu_popup_action);
-  gtk_widget_class_install_action (widget_class, "selection.sort", NULL, ide_source_view_selection_sort);
+  gtk_widget_class_install_action (widget_class, "selection.sort", "(bb)", ide_source_view_selection_sort);
   gtk_widget_class_install_action (widget_class, "selection.join", NULL, ide_source_view_selection_join);
 
   /**