[gnome-builder/wip/slaf/spellcheck-sidebar: 30/33] spellchecker: be able to re-check a word

[Sébastien Lafargue <slafargue src gnome org>]

commit fe0a936c6405c62015ece64a3f175878f027fe26
Author: Sébastien Lafargue <slafargue gnome org>
Date:   Wed Jan 11 17:30:58 2017 +0100

    spellchecker: be able to re-check a word
    
    When changing language, we need to re-check the current word.
    This patch add a new IdeEditorSpellNavigator method:
    
    ide_editor_spell_navigator_goto_word_start

 libide/editor/ide-editor-spell-navigator.c |   21 +++++++++++++++++++++
 libide/editor/ide-editor-spell-navigator.h |    1 +
 libide/editor/ide-editor-spell-widget.c    |    3 +++
 3 files changed, 25 insertions(+), 0 deletions(-)
---
diff --git a/libide/editor/ide-editor-spell-navigator.c b/libide/editor/ide-editor-spell-navigator.c
index 8282dfd..e3474f3 100644
--- a/libide/editor/ide-editor-spell-navigator.c
+++ b/libide/editor/ide-editor-spell-navigator.c
@@ -409,6 +409,27 @@ select_misspelled_word (IdeEditorSpellNavigator *self)
                                 0.0);
 }
 
+/* Go to the start of the current checked word so that
+ * we can re-check it again, change of language for example
+ */
+gboolean
+ide_editor_spell_navigator_goto_word_start (IdeEditorSpellNavigator *self)
+{
+  GtkTextIter start;
+
+  g_assert (IDE_IS_EDITOR_SPELL_NAVIGATOR (self));
+
+  if (self->word_start != NULL)
+    {
+      gtk_text_buffer_get_iter_at_mark (self->buffer, &start, self->word_start);
+      gtk_text_buffer_move_mark (self->buffer, self->word_end, &start);
+
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
 static gboolean
 ide_editor_spell_navigator_goto_next (GspellNavigator  *navigator,
                                       gchar           **word_p,
diff --git a/libide/editor/ide-editor-spell-navigator.h b/libide/editor/ide-editor-spell-navigator.h
index 4081832..0a85797 100644
--- a/libide/editor/ide-editor-spell-navigator.h
+++ b/libide/editor/ide-editor-spell-navigator.h
@@ -32,6 +32,7 @@ GspellNavigator *ide_editor_spell_navigator_new                   (GtkTextView
 guint            ide_editor_spell_navigator_get_count             (IdeEditorSpellNavigator *self,
                                                                    const gchar             *word);
 gboolean         ide_editor_spell_navigator_get_is_words_counted  (IdeEditorSpellNavigator *self);
+gboolean         ide_editor_spell_navigator_goto_word_start       (IdeEditorSpellNavigator *self);
 
 G_END_DECLS
 
diff --git a/libide/editor/ide-editor-spell-widget.c b/libide/editor/ide-editor-spell-widget.c
index 95c9237..5518c33 100644
--- a/libide/editor/ide-editor-spell-widget.c
+++ b/libide/editor/ide-editor-spell-widget.c
@@ -884,6 +884,9 @@ ide_editor_spell_widget__language_notify_cb (IdeEditorSpellWidget *self,
 
       ide_editor_spell_widget__dict_word_entry_changed_cb (self, GTK_ENTRY (self->dict_word_entry));
       gtk_widget_set_sensitive (GTK_WIDGET (self->dict_words_list), TRUE);
+
+      ide_editor_spell_navigator_goto_word_start (IDE_EDITOR_SPELL_NAVIGATOR (self->navigator));
+      jump_to_next_misspelled_word (self);
     }
 }