[gtksourceview] vim: implement sort command

[Christian Hergert <chergert src gnome org>]

commit 8a9dcb8a08a3d6a353979620bed5ba09ac8e9061
Author: Christian Hergert <chergert redhat com>
Date:   Tue Dec 7 23:59:48 2021 -0800

    vim: implement sort command

 gtksourceview/vim/gtksourcevimcommand.c | 36 +++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
---
diff --git a/gtksourceview/vim/gtksourcevimcommand.c b/gtksourceview/vim/gtksourcevimcommand.c
index 7c578a79..b91ea47d 100644
--- a/gtksourceview/vim/gtksourcevimcommand.c
+++ b/gtksourceview/vim/gtksourcevimcommand.c
@@ -316,6 +316,41 @@ gtk_source_vim_command_join (GtkSourceVimCommand *self)
        self->ignore_mark = TRUE;
 }
 
+static void
+gtk_source_vim_command_sort (GtkSourceVimCommand *self)
+{
+       GtkSourceBuffer *buffer;
+       GtkTextIter iter;
+       GtkTextIter selection;
+       GtkTextIter end;
+       guint offset;
+
+       if (!gtk_source_vim_state_get_editable (GTK_SOURCE_VIM_STATE (self)))
+               return;
+
+       buffer = gtk_source_vim_state_get_buffer (GTK_SOURCE_VIM_STATE (self), &iter, &selection);
+
+       gtk_text_buffer_begin_user_action (GTK_TEXT_BUFFER (buffer));
+
+       gtk_text_iter_order (&iter, &selection);
+       offset = gtk_text_iter_get_offset (&iter);
+
+       end = iter;
+       if (!gtk_text_iter_ends_line (&end))
+               gtk_text_iter_forward_to_line_end (&end);
+       offset = gtk_text_iter_get_offset (&end);
+
+       gtk_source_buffer_sort_lines (buffer, &iter, &selection, GTK_SOURCE_SORT_FLAGS_CASE_SENSITIVE, 0);
+       gtk_text_buffer_get_iter_at_offset (GTK_TEXT_BUFFER (buffer), &iter, offset);
+       gtk_text_buffer_select_range (GTK_TEXT_BUFFER (buffer), &iter, &iter);
+
+       gtk_text_buffer_end_user_action (GTK_TEXT_BUFFER (buffer));
+
+       gtk_source_vim_state_set_can_repeat (GTK_SOURCE_VIM_STATE (self), TRUE);
+
+       self->ignore_mark = TRUE;
+}
+
 static void
 gtk_source_vim_command_yank (GtkSourceVimCommand *self)
 {
@@ -1558,6 +1593,7 @@ gtk_source_vim_command_class_init (GtkSourceVimCommandClass *klass)
        ADD_COMMAND (":nohl",          gtk_source_vim_command_nohl);
        ADD_COMMAND (":redo",          gtk_source_vim_command_redo);
        ADD_COMMAND (":set",           gtk_source_vim_command_set);
+       ADD_COMMAND (":sort",          gtk_source_vim_command_sort);
        ADD_COMMAND (":u",             gtk_source_vim_command_undo);
        ADD_COMMAND (":undo",          gtk_source_vim_command_undo);
        ADD_COMMAND (":y",             gtk_source_vim_command_yank);