[gtk+] toggle button: Convert to g_object_notify_by_pspec

[Matthias Clasen <matthiasc src gnome org>]

commit 0e4589d902ee30c77c14dd2e226a568c71e3183a
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Sep 6 10:45:33 2015 -0400

    toggle button: Convert to g_object_notify_by_pspec
    
    This avoids pspec lookup overhead in g_object_notify.

 gtk/gtktogglebutton.c |   57 +++++++++++++++++++++++++------------------------
 1 files changed, 29 insertions(+), 28 deletions(-)
---
diff --git a/gtk/gtktogglebutton.c b/gtk/gtktogglebutton.c
index a808d18..bbe764b 100644
--- a/gtk/gtktogglebutton.c
+++ b/gtk/gtktogglebutton.c
@@ -119,9 +119,11 @@ enum {
   PROP_0,
   PROP_ACTIVE,
   PROP_INCONSISTENT,
-  PROP_DRAW_INDICATOR
+  PROP_DRAW_INDICATOR,
+  NUM_PROPERTIES
 };
 
+static GParamSpec *toggle_button_props[NUM_PROPERTIES] = { NULL, };
 
 static gboolean gtk_toggle_button_mnemonic_activate  (GtkWidget            *widget,
                                                       gboolean              group_cycling);
@@ -173,29 +175,28 @@ gtk_toggle_button_class_init (GtkToggleButtonClass *class)
 
   class->toggled = NULL;
 
-  g_object_class_install_property (gobject_class,
-                                   PROP_ACTIVE,
-                                   g_param_spec_boolean ("active",
-                                                        P_("Active"),
-                                                        P_("If the toggle button should be pressed in"),
-                                                        FALSE,
-                                                        GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
-
-  g_object_class_install_property (gobject_class,
-                                   PROP_INCONSISTENT,
-                                   g_param_spec_boolean ("inconsistent",
-                                                        P_("Inconsistent"),
-                                                        P_("If the toggle button is in an \"in between\" 
state"),
-                                                        FALSE,
-                                                        GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
-
-  g_object_class_install_property (gobject_class,
-                                   PROP_DRAW_INDICATOR,
-                                   g_param_spec_boolean ("draw-indicator",
-                                                        P_("Draw Indicator"),
-                                                        P_("If the toggle part of the button is displayed"),
-                                                        FALSE,
-                                                        GTK_PARAM_READWRITE));
+  toggle_button_props[PROP_ACTIVE] =
+      g_param_spec_boolean ("active",
+                            P_("Active"),
+                            P_("If the toggle button should be pressed in"),
+                            FALSE,
+                            GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY);
+
+  toggle_button_props[PROP_INCONSISTENT] =
+      g_param_spec_boolean ("inconsistent",
+                            P_("Inconsistent"),
+                            P_("If the toggle button is in an \"in between\" state"),
+                            FALSE,
+                            GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY);
+
+  toggle_button_props[PROP_DRAW_INDICATOR] =
+      g_param_spec_boolean ("draw-indicator",
+                            P_("Draw Indicator"),
+                            P_("If the toggle part of the button is displayed"),
+                            FALSE,
+                            GTK_PARAM_READWRITE);
+
+  g_object_class_install_properties (gobject_class, NUM_PROPERTIES, toggle_button_props);
 
   /**
    * GtkToggleButton::toggled:
@@ -414,7 +415,7 @@ gtk_toggle_button_set_mode (GtkToggleButton *toggle_button,
       if (gtk_widget_get_visible (GTK_WIDGET (toggle_button)))
        gtk_widget_queue_resize (GTK_WIDGET (toggle_button));
 
-      g_object_notify (G_OBJECT (toggle_button), "draw-indicator");
+      g_object_notify_by_pspec (G_OBJECT (toggle_button), toggle_button_props[PROP_DRAW_INDICATOR]);
 
       /* Make toggle buttons conditionally have the "button"
        * class depending on draw_indicator.
@@ -471,7 +472,7 @@ gtk_toggle_button_set_active (GtkToggleButton *toggle_button,
   if (priv->active != is_active)
     {
       gtk_button_clicked (GTK_BUTTON (toggle_button));
-      g_object_notify (G_OBJECT (toggle_button), "active");
+      g_object_notify_by_pspec (G_OBJECT (toggle_button), toggle_button_props[PROP_ACTIVE]);
     }
 }
 
@@ -557,7 +558,7 @@ gtk_toggle_button_set_inconsistent (GtkToggleButton *toggle_button,
       else
         gtk_widget_unset_state_flags (GTK_WIDGET (toggle_button), GTK_STATE_FLAG_INCONSISTENT);
 
-      g_object_notify (G_OBJECT (toggle_button), "inconsistent");      
+      g_object_notify_by_pspec (G_OBJECT (toggle_button), toggle_button_props[PROP_INCONSISTENT]);
     }
 }
 
@@ -605,7 +606,7 @@ gtk_toggle_button_clicked (GtkButton *button)
 
   gtk_toggle_button_toggled (toggle_button);
 
-  g_object_notify (G_OBJECT (toggle_button), "active");
+  g_object_notify_by_pspec (G_OBJECT (toggle_button), toggle_button_props[PROP_ACTIVE]);
 
   if (GTK_BUTTON_CLASS (gtk_toggle_button_parent_class)->clicked)
     GTK_BUTTON_CLASS (gtk_toggle_button_parent_class)->clicked (button);