[gspell/wip/tune-current-word] inline-checker-text-buffer: get the broader boundaries on delete-range

[Sébastien Wilmet <swilmet src gnome org>]

commit 0a29784392ea0ec8bf65a79648d3054e5495a401
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Thu Mar 3 18:17:02 2016 +0100

    inline-checker-text-buffer: get the broader boundaries on delete-range

 gspell/gspell-inline-checker-text-buffer.c |   35 ++++++++++++++++++++++++++++
 1 files changed, 35 insertions(+), 0 deletions(-)
---
diff --git a/gspell/gspell-inline-checker-text-buffer.c b/gspell/gspell-inline-checker-text-buffer.c
index b6ffc14..88f707c 100644
--- a/gspell/gspell-inline-checker-text-buffer.c
+++ b/gspell/gspell-inline-checker-text-buffer.c
@@ -586,6 +586,35 @@ insert_text_after_cb (GtkTextBuffer                 *buffer,
        install_timeout (spell, TIMEOUT_DURATION_BUFFER_MODIFIED);
 }
 
+/* Same reasoning as for the ::insert-text signal. */
+static void
+delete_range_before_cb (GtkTextBuffer                 *buffer,
+                       GtkTextIter                   *start,
+                       GtkTextIter                   *end,
+                       GspellInlineCheckerTextBuffer *spell)
+{
+       GtkTextIter start_adjusted;
+       GtkTextIter end_adjusted;
+
+       /* Adjust iters */
+       start_adjusted = *start;
+       end_adjusted = *end;
+
+       if (gtk_text_iter_ends_word (&start_adjusted) ||
+           (gtk_text_iter_inside_word (&start_adjusted) &&
+            !gtk_text_iter_starts_word (&start_adjusted)))
+       {
+               gtk_text_iter_backward_word_start (&start_adjusted);
+       }
+
+       if (gtk_text_iter_inside_word (&end_adjusted))
+       {
+               gtk_text_iter_forward_word_end (&end_adjusted);
+       }
+
+       add_subregion_to_scan (spell, &start_adjusted, &end_adjusted);
+}
+
 static void
 delete_range_after_cb (GtkTextBuffer                 *buffer,
                       GtkTextIter                   *start,
@@ -1157,6 +1186,12 @@ set_buffer (GspellInlineCheckerTextBuffer *spell,
 
        g_signal_connect_object (buffer,
                                 "delete-range",
+                                G_CALLBACK (delete_range_before_cb),
+                                spell,
+                                0);
+
+       g_signal_connect_object (buffer,
+                                "delete-range",
                                 G_CALLBACK (delete_range_after_cb),
                                 spell,
                                 G_CONNECT_AFTER);