[gnome-text-editor] spellcheck: add language property to adapter

[Christian Hergert <chergert src gnome org>]

commit 0f2eb90a30c0b8e0c6c436266d80da295ad4edbf
Author: Christian Hergert <chergert redhat com>
Date:   Thu Jul 1 14:54:48 2021 -0700

    spellcheck: add language property to adapter
    
    This allows us to use a property action to bind it to UI.

 src/editor-text-buffer-spell-adapter.c | 51 ++++++++++++++++++++++++++++++++++
 src/editor-text-buffer-spell-adapter.h |  3 ++
 2 files changed, 54 insertions(+)
---
diff --git a/src/editor-text-buffer-spell-adapter.c b/src/editor-text-buffer-spell-adapter.c
index 4ec0a53..3ff4044 100644
--- a/src/editor-text-buffer-spell-adapter.c
+++ b/src/editor-text-buffer-spell-adapter.c
@@ -24,6 +24,7 @@
 
 #include "editor-spell-checker.h"
 #include "editor-spell-cursor.h"
+#include "editor-spell-language.h"
 #include "editor-text-buffer-spell-adapter.h"
 
 #define UNCHECKED          GSIZE_TO_POINTER(0)
@@ -65,6 +66,7 @@ enum {
   PROP_0,
   PROP_BUFFER,
   PROP_CHECKER,
+  PROP_LANGUAGE,
   N_PROPS
 };
 
@@ -369,6 +371,10 @@ editor_text_buffer_spell_adapter_get_property (GObject    *object,
       g_value_set_object (value, editor_text_buffer_spell_adapter_get_checker (self));
       break;
 
+    case PROP_LANGUAGE:
+      g_value_set_string (value, editor_text_buffer_spell_adapter_get_language (self));
+      break;
+
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
     }
@@ -392,6 +398,10 @@ editor_text_buffer_spell_adapter_set_property (GObject      *object,
       editor_text_buffer_spell_adapter_set_checker (self, g_value_get_object (value));
       break;
 
+    case PROP_LANGUAGE:
+      editor_text_buffer_spell_adapter_set_language (self, g_value_get_string (value));
+      break;
+
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
     }
@@ -421,6 +431,13 @@ editor_text_buffer_spell_adapter_class_init (EditorTextBufferSpellAdapterClass *
                          EDITOR_TYPE_SPELL_CHECKER,
                          (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
+  properties [PROP_LANGUAGE] =
+    g_param_spec_string ("language",
+                         "Language",
+                         "The language code such as en_US",
+                         NULL,
+                         (G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS));
+
   g_object_class_install_properties (object_class, N_PROPS, properties);
 }
 
@@ -428,6 +445,7 @@ static void
 editor_text_buffer_spell_adapter_init (EditorTextBufferSpellAdapter *self)
 {
   self->region = _cjh_text_region_new (NULL, NULL);
+  self->enabled = TRUE;
 }
 
 EditorSpellChecker *
@@ -461,6 +479,7 @@ editor_text_buffer_spell_adapter_set_checker (EditorTextBufferSpellAdapter *self
       editor_text_buffer_spell_adapter_queue_update (self);
 
       g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_CHECKER]);
+      g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_LANGUAGE]);
     }
 }
 
@@ -523,3 +542,35 @@ editor_text_buffer_spell_adapter_cursor_moved (EditorTextBufferSpellAdapter *sel
   invalidate_surrounding (self, self->cursor_position);
   self->cursor_position = position;
 }
+
+const char *
+editor_text_buffer_spell_adapter_get_language (EditorTextBufferSpellAdapter *self)
+{
+  g_return_val_if_fail (EDITOR_IS_TEXT_BUFFER_SPELL_ADAPTER (self), NULL);
+
+  return self->checker ? editor_spell_checker_get_language (self->checker) : NULL;
+}
+
+void
+editor_text_buffer_spell_adapter_set_language (EditorTextBufferSpellAdapter *self,
+                                               const char                   *language)
+{
+  g_return_if_fail (EDITOR_IS_TEXT_BUFFER_SPELL_ADAPTER (self));
+
+  if (self->checker == NULL && language == NULL)
+    return;
+
+  if (self->checker == NULL)
+    {
+      self->checker = editor_spell_checker_new (NULL, language);
+      g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_CHECKER]);
+      g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_LANGUAGE]);
+    }
+  else if (g_strcmp0 (language, editor_text_buffer_spell_adapter_get_language (self)) != 0)
+    {
+      editor_spell_checker_set_language (self->checker, language);
+      g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_LANGUAGE]);
+    }
+
+  editor_text_buffer_spell_adapter_invalidate_all (self);
+}
diff --git a/src/editor-text-buffer-spell-adapter.h b/src/editor-text-buffer-spell-adapter.h
index 47e3f6b..111309d 100644
--- a/src/editor-text-buffer-spell-adapter.h
+++ b/src/editor-text-buffer-spell-adapter.h
@@ -44,5 +44,8 @@ void                          editor_text_buffer_spell_adapter_delete_range (Edi
                                                                              guint                         
len);
 void                          editor_text_buffer_spell_adapter_cursor_moved (EditorTextBufferSpellAdapter 
*self,
                                                                              guint                         
position);
+const char                   *editor_text_buffer_spell_adapter_get_language (EditorTextBufferSpellAdapter 
*self);
+void                          editor_text_buffer_spell_adapter_set_language (EditorTextBufferSpellAdapter 
*self,
+                                                                             const char                   
*language);
 
 G_END_DECLS