[gtk+] text buffer: Convert to g_object_notify_by_pspec

[Matthias Clasen <matthiasc src gnome org>]

commit 8ee711bbc90afa3104dc0154cd76db9914bd5021
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Sep 6 15:38:14 2015 -0400

    text buffer: Convert to g_object_notify_by_pspec
    
    This avoids pspec lookup overhead in g_object_notify.

 gtk/gtktextbuffer.c |  107 +++++++++++++++++++++++++--------------------------
 1 files changed, 53 insertions(+), 54 deletions(-)
---
diff --git a/gtk/gtktextbuffer.c b/gtk/gtktextbuffer.c
index 9f5f04d..7b557b3 100644
--- a/gtk/gtktextbuffer.c
+++ b/gtk/gtktextbuffer.c
@@ -117,7 +117,8 @@ enum {
   PROP_HAS_SELECTION,
   PROP_CURSOR_POSITION,
   PROP_COPY_TARGET_LIST,
-  PROP_PASTE_TARGET_LIST
+  PROP_PASTE_TARGET_LIST,
+  LAST_PROP
 };
 
 static void gtk_text_buffer_finalize   (GObject            *object);
@@ -170,6 +171,7 @@ static void gtk_text_buffer_notify       (GObject         *object,
                                           GParamSpec      *pspec);
 
 static guint signals[LAST_SIGNAL] = { 0 };
+static GParamSpec *text_buffer_props[LAST_PROP];
 
 G_DEFINE_TYPE_WITH_PRIVATE (GtkTextBuffer, gtk_text_buffer, G_TYPE_OBJECT)
 
@@ -193,16 +195,15 @@ gtk_text_buffer_class_init (GtkTextBufferClass *klass)
   klass->mark_set = gtk_text_buffer_real_mark_set;
 
   /* Construct */
-  g_object_class_install_property (object_class,
-                                   PROP_TAG_TABLE,
-                                   g_param_spec_object ("tag-table",
-                                                        P_("Tag Table"),
-                                                        P_("Text Tag Table"),
-                                                        GTK_TYPE_TEXT_TAG_TABLE,
-                                                        GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
-
-  /* Normal properties*/
-  
+  text_buffer_props[PROP_TAG_TABLE] =
+      g_param_spec_object ("tag-table",
+                           P_("Tag Table"),
+                           P_("Text Tag Table"),
+                           GTK_TYPE_TEXT_TAG_TABLE,
+                           GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
+
+  /* Normal properties */
+
   /**
    * GtkTextBuffer:text:
    *
@@ -211,13 +212,12 @@ gtk_text_buffer_class_init (GtkTextBufferClass *klass)
    *
    * Since: 2.8
    */
-  g_object_class_install_property (object_class,
-                                   PROP_TEXT,
-                                   g_param_spec_string ("text",
-                                                        P_("Text"),
-                                                        P_("Current text of the buffer"),
-                                                       "",
-                                                        GTK_PARAM_READWRITE));
+  text_buffer_props[PROP_TEXT] =
+      g_param_spec_string ("text",
+                           P_("Text"),
+                           P_("Current text of the buffer"),
+                           "",
+                           GTK_PARAM_READWRITE);
 
   /**
    * GtkTextBuffer:has-selection:
@@ -226,30 +226,29 @@ gtk_text_buffer_class_init (GtkTextBufferClass *klass)
    *
    * Since: 2.10
    */
-  g_object_class_install_property (object_class,
-                                   PROP_HAS_SELECTION,
-                                   g_param_spec_boolean ("has-selection",
-                                                         P_("Has selection"),
-                                                         P_("Whether the buffer has some text currently 
selected"),
-                                                         FALSE,
-                                                         GTK_PARAM_READABLE));
+  text_buffer_props[PROP_HAS_SELECTION] =
+      g_param_spec_boolean ("has-selection",
+                            P_("Has selection"),
+                            P_("Whether the buffer has some text currently selected"),
+                            FALSE,
+                            GTK_PARAM_READABLE);
 
   /**
    * GtkTextBuffer:cursor-position:
    *
-   * The position of the insert mark (as offset from the beginning 
-   * of the buffer). It is useful for getting notified when the 
+   * The position of the insert mark (as offset from the beginning
+   * of the buffer). It is useful for getting notified when the
    * cursor moves.
    *
    * Since: 2.10
    */
-  g_object_class_install_property (object_class,
-                                   PROP_CURSOR_POSITION,
-                                   g_param_spec_int ("cursor-position",
-                                                     P_("Cursor position"),
-                                                     P_("The position of the insert mark (as offset from the 
beginning of the buffer)"),
-                                                    0, G_MAXINT, 0,
-                                                     GTK_PARAM_READABLE));
+  text_buffer_props[PROP_CURSOR_POSITION] =
+      g_param_spec_int ("cursor-position",
+                        P_("Cursor position"),
+                        P_("The position of the insert mark (as offset from the beginning of the buffer)"),
+                       0, G_MAXINT,
+                        0,
+                        GTK_PARAM_READABLE);
 
   /**
    * GtkTextBuffer:copy-target-list:
@@ -259,13 +258,12 @@ gtk_text_buffer_class_init (GtkTextBufferClass *klass)
    *
    * Since: 2.10
    */
-  g_object_class_install_property (object_class,
-                                   PROP_COPY_TARGET_LIST,
-                                   g_param_spec_boxed ("copy-target-list",
-                                                       P_("Copy target list"),
-                                                       P_("The list of targets this buffer supports for 
clipboard copying and DND source"),
-                                                       GTK_TYPE_TARGET_LIST,
-                                                       GTK_PARAM_READABLE));
+  text_buffer_props[PROP_COPY_TARGET_LIST] =
+      g_param_spec_boxed ("copy-target-list",
+                          P_("Copy target list"),
+                          P_("The list of targets this buffer supports for clipboard copying and DND 
source"),
+                          GTK_TYPE_TARGET_LIST,
+                          GTK_PARAM_READABLE);
 
   /**
    * GtkTextBuffer:paste-target-list:
@@ -275,13 +273,14 @@ gtk_text_buffer_class_init (GtkTextBufferClass *klass)
    *
    * Since: 2.10
    */
-  g_object_class_install_property (object_class,
-                                   PROP_PASTE_TARGET_LIST,
-                                   g_param_spec_boxed ("paste-target-list",
-                                                       P_("Paste target list"),
-                                                       P_("The list of targets this buffer supports for 
clipboard pasting and DND destination"),
-                                                       GTK_TYPE_TARGET_LIST,
-                                                       GTK_PARAM_READABLE));
+  text_buffer_props[PROP_PASTE_TARGET_LIST] =
+      g_param_spec_boxed ("paste-target-list",
+                          P_("Paste target list"),
+                          P_("The list of targets this buffer supports for clipboard pasting and DND 
destination"),
+                          GTK_TYPE_TARGET_LIST,
+                          GTK_PARAM_READABLE);
+
+  g_object_class_install_properties (object_class, LAST_PROP, text_buffer_props);
 
   /**
    * GtkTextBuffer::insert-text:
@@ -895,7 +894,7 @@ gtk_text_buffer_real_insert_text (GtkTextBuffer *buffer,
   _gtk_text_btree_insert (iter, text, len);
 
   g_signal_emit (buffer, signals[CHANGED], 0);
-  g_object_notify (G_OBJECT (buffer), "cursor-position");
+  g_object_notify_by_pspec (G_OBJECT (buffer), text_buffer_props[PROP_CURSOR_POSITION]);
 }
 
 static void
@@ -1616,11 +1615,11 @@ gtk_text_buffer_real_delete_range (GtkTextBuffer *buffer,
   if (has_selection != buffer->priv->has_selection)
     {
       buffer->priv->has_selection = has_selection;
-      g_object_notify (G_OBJECT (buffer), "has-selection");
+      g_object_notify_by_pspec (G_OBJECT (buffer), text_buffer_props[PROP_HAS_SELECTION]);
     }
 
   g_signal_emit (buffer, signals[CHANGED], 0);
-  g_object_notify (G_OBJECT (buffer), "cursor-position");
+  g_object_notify_by_pspec (G_OBJECT (buffer), text_buffer_props[PROP_CURSOR_POSITION]);
 }
 
 static void
@@ -2541,7 +2540,7 @@ gtk_text_buffer_real_changed (GtkTextBuffer *buffer)
 {
   gtk_text_buffer_set_modified (buffer, TRUE);
 
-  g_object_notify (G_OBJECT (buffer), "text");
+  g_object_notify_by_pspec (G_OBJECT (buffer), text_buffer_props[PROP_TEXT]);
 }
 
 static void
@@ -2566,12 +2565,12 @@ gtk_text_buffer_real_mark_set (GtkTextBuffer     *buffer,
       if (has_selection != buffer->priv->has_selection)
         {
           buffer->priv->has_selection = has_selection;
-          g_object_notify (G_OBJECT (buffer), "has-selection");
+          g_object_notify_by_pspec (G_OBJECT (buffer), text_buffer_props[PROP_HAS_SELECTION]);
         }
     }
     
     if (mark == insert)
-      g_object_notify (G_OBJECT (buffer), "cursor-position");
+      g_object_notify_by_pspec (G_OBJECT (buffer), text_buffer_props[PROP_CURSOR_POSITION]);
 }
 
 static void