GtkSpiner: adjust to minor GPeriodic change

The timestamp to the tick function is now in microseconds instead of
milliticks.

docs/reference/gdk/gdk3-sections.txt

@@ -632,7 +632,12 @@ gdk_threads_add_timeout
 gdk_threads_add_timeout_full
 gdk_threads_add_timeout_seconds
 gdk_threads_add_timeout_seconds_full
-
+<SUBSECTION>
+gdk_threads_get_periodic
+gdk_threads_set_periodic
+gdk_threads_periodic_add
+gdk_threads_periodic_remove
+gdk_threads_periodic_damaged
 <SUBSECTION Private>
 gdk_threads_lock
 gdk_threads_unlock

gdk/gdk.c

@@ -1,5 +1,6 @@
 /* GDK - The GIMP Drawing Kit
  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ * Copyright © 2010 Codethink Limited
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -65,6 +66,7 @@ static int gdk_initialized = 0;			    /* 1 if the library is initialized,
 static gchar  *gdk_progclass = NULL;
 
 static GMutex *gdk_threads_mutex = NULL;            /* Global GDK lock */
+static GPeriodic *gdk_threads_periodic;             /* Default paint clock */
 
 static GCallback gdk_threads_lock = NULL;
 static GCallback gdk_threads_unlock = NULL;
@@ -809,3 +811,190 @@ gdk_enable_multidevice (void)
 
   _gdk_enable_multidevice = TRUE;
 }
+
+/**
+ * gdk_threads_set_periodic:
+ * @periodic: a #GPeriodic, non-%NULL
+ *
+ * Sets the default #GPeriodic clock in use by GDK.  GDK takes a
+ * reference on @periodic and it lives forever.
+ *
+ * You may not replace the default #GPeriodic once it has been set, so
+ * you should check with gdk_threads_get_periodic() to ensure that it is
+ * %NULL before attempting to call this function.
+ *
+ * gtk_init() will set the default clock if it has not already been set,
+ * so you need to call this function before you call gtk_init().
+ *
+ * Since: 3.0
+ **/
+void
+gdk_threads_set_periodic (GPeriodic *periodic)
+{
+  g_return_if_fail (gdk_threads_periodic == NULL);
+  g_return_if_fail (periodic != NULL);
+
+  gdk_threads_periodic = g_object_ref (periodic);
+}
+
+/**
+ * gdk_threads_get_periodic:
+ * 
+ * Gets the default #GPeriodic in use by GDK, or %NULL if one has not
+ * been set yet.
+ *
+ * GDK owns the return value, so you should not unref it.
+ *
+ * Returns: (transfer none): the default #GPeriodic, or %NULL
+ *
+ * Since: 3.0
+ **/
+GPeriodic *
+gdk_threads_get_periodic (void)
+{
+  return gdk_threads_periodic;
+}
+
+typedef struct
+{
+  GPeriodicTickFunc callback;
+  gpointer          user_data;
+  GDestroyNotify    notify;
+} GdkPeriodicTick;
+
+static void
+gdk_periodic_tick (GPeriodic *periodic,
+                   guint64    timestamp,
+                   gpointer   user_data)
+{
+  GdkPeriodicTick *tick = user_data;
+
+  gdk_threads_enter ();
+  tick->callback (periodic, timestamp, tick->user_data);
+  /* Do not touch 'tick' anymore.
+   * It might have been freed by the callback removing itself.
+   */
+  gdk_threads_leave ();
+}
+
+static void
+gdk_periodic_tick_free (gpointer data)
+{
+  GdkPeriodicTick *tick = data;
+
+  if (tick->notify)
+    tick->notify (tick->user_data);
+
+  g_slice_free (GdkPeriodicTick, tick);
+}
+
+/**
+ * gdk_threads_periodic_add:
+ * @callback: a #GPeriodicTickFunc
+ * @user_data: data for @callback
+ * @notify: for freeing @user_data when it is no longer needed
+ *
+ * Request periodic calls to @callback to start.  @callback is called
+ * with the GDK lock held.
+ *
+ * This function may not be called while a repair function is running,
+ * but it is perfectly reasonable to call it from a tick function.
+ *
+ * The callback may be cancelled later by using
+ * gdk_threads_periodic_remove().
+ *
+ * Returns: a non-zero tag identifying this callback
+ *
+ * Since: 3.0
+ **/
+guint
+gdk_threads_periodic_add (GPeriodicTickFunc callback,
+                          gpointer          user_data,
+                          GDestroyNotify    notify)
+{
+  GdkPeriodicTick *tick;
+
+  tick = g_slice_new (GdkPeriodicTick);
+  tick->callback = callback;
+  tick->user_data = user_data;
+  tick->notify = notify;
+
+  return g_periodic_add (gdk_threads_periodic, gdk_periodic_tick,
+                         tick, gdk_periodic_tick_free);
+}
+
+/**
+ * gdk_threads_periodic_remove:
+ * @tag: the ID of the callback to 
+ *
+ * Reverse the effect of a previous call to gdk_threads_periodic_add().
+ *
+ * @tag is the ID returned by that function.
+ *
+ * This function may not be called while a repair function is running,
+ * but it is perfectly reasonable to call it from a tick function.
+ *
+ * Since: 3.0
+ **/
+void
+gdk_threads_periodic_remove (guint tag)
+{
+  g_periodic_remove (gdk_threads_periodic, tag);
+}
+
+typedef struct
+{
+  GPeriodicRepairFunc callback;
+  gpointer            user_data;
+  GDestroyNotify      notify;
+} GdkPeriodicRepair;
+
+static void
+gdk_periodic_repair (GPeriodic *periodic,
+                     gpointer   user_data)
+{
+  GdkPeriodicRepair *repair = user_data;
+
+  gdk_threads_enter ();
+  repair->callback (periodic, repair->user_data);
+  gdk_threads_leave ();
+}
+
+static void
+gdk_periodic_repair_free (gpointer data)
+{
+  GdkPeriodicRepair *repair = data;
+
+  if (repair->notify)
+    repair->notify (repair->user_data);
+
+  g_slice_free (GdkPeriodicRepair, repair);
+}
+
+/**
+ * gdk_threads_periodic_damaged:
+ * @callback: a #GPeriodicRepairFunc
+ * @user_data: data for @callback
+ * @notify: for freeing @user_data when it is no longer needed
+ *
+ * Reports damage to the GDK default #GPeriodic.
+ *
+ * @callback is called with the GDK lock held.
+ *
+ * Since: 3.0
+ **/
+void
+gdk_threads_periodic_damaged (GPeriodicRepairFunc callback,
+                              gpointer            user_data,
+                              GDestroyNotify      notify)
+{
+  GdkPeriodicRepair *repair;
+
+  repair = g_slice_new (GdkPeriodicRepair);
+  repair->callback = callback;
+  repair->user_data = user_data;
+  repair->notify = notify;
+
+  g_periodic_damaged (gdk_threads_periodic, gdk_periodic_repair,
+                      repair, gdk_periodic_repair_free);
+}

gdk/gdk.symbols

@@ -192,6 +192,11 @@ gdk_threads_add_timeout
 gdk_threads_add_timeout_full
 gdk_threads_add_timeout_seconds
 gdk_threads_add_timeout_seconds_full
+gdk_threads_set_periodic
+gdk_threads_get_periodic
+gdk_threads_periodic_add
+gdk_threads_periodic_remove
+gdk_threads_periodic_damaged
 #endif
 #endif
 

gdk/gdkthreads.h

@@ -1,5 +1,6 @@
 /* GDK - The GIMP Drawing Kit
  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ * Copyright © 2010 Codethink Limited
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -64,6 +65,16 @@ guint    gdk_threads_add_timeout_seconds      (guint          interval,
                                                GSourceFunc    function,
                                                gpointer       data);
 
+void            gdk_threads_set_periodic        (GPeriodic           *periodic);
+GPeriodic *     gdk_threads_get_periodic        (void);
+guint           gdk_threads_periodic_add        (GPeriodicTickFunc    callback,
+                                                 gpointer             user_data,
+                                                 GDestroyNotify       notify);
+void            gdk_threads_periodic_remove     (guint                tag);
+void            gdk_threads_periodic_damaged    (GPeriodicRepairFunc  callback,
+                                                 gpointer             user_data,
+                                                 GDestroyNotify       notify);
+
 #define GDK_THREADS_ENTER() gdk_threads_enter()
 #define GDK_THREADS_LEAVE() gdk_threads_leave()
 

gdk/gdkwindow.c

@@ -3760,7 +3760,7 @@ gdk_window_set_cairo_clip (GdkDrawable *drawable,
 /* Code for dirty-region queueing
  */
 static GSList *update_windows = NULL;
-static guint update_idle = 0;
+static gboolean damage_reported;
 static gboolean debug_updates = FALSE;
 
 static inline gboolean
@@ -3859,12 +3859,12 @@ gdk_window_remove_update_window (GdkWindow *window)
   update_windows = g_slist_remove (update_windows, window);
 }
 
-static gboolean
-gdk_window_update_idle (gpointer data)
+static void
+gdk_window_repair (GPeriodic *periodic,
+                   gpointer   user_data)
 {
   gdk_window_process_all_updates ();
-
-  return FALSE;
+  damage_reported = FALSE;
 }
 
 static gboolean
@@ -3885,11 +3885,11 @@ gdk_window_schedule_update (GdkWindow *window)
        gdk_window_is_toplevel_frozen (window)))
     return;
 
-  if (!update_idle)
-    update_idle =
-      gdk_threads_add_idle_full (GDK_PRIORITY_REDRAW,
-				 gdk_window_update_idle,
-				 NULL, NULL);
+  if (!damage_reported)
+    {
+      gdk_threads_periodic_damaged (gdk_window_repair, NULL, NULL);
+      damage_reported = TRUE;
+    }
 }
 
 void
@@ -4212,18 +4212,15 @@ gdk_window_process_all_updates (void)
       /* We can't do this now since that would recurse, so
 	 delay it until after the recursion is done. */
       got_recursive_update = TRUE;
-      update_idle = 0;
       return;
     }
 
   in_process_all_updates = TRUE;
   got_recursive_update = FALSE;
 
-  if (update_idle)
-    g_source_remove (update_idle);
+  /* We can't unreport damage, so let it run anyway. */
 
   update_windows = NULL;
-  update_idle = 0;
 
   _gdk_windowing_before_process_all_updates ();
 
@@ -4258,11 +4255,11 @@ gdk_window_process_all_updates (void)
      redraw now so that it eventually happens,
      otherwise we could miss an update if nothing
      else schedules an update. */
-  if (got_recursive_update && !update_idle)
-    update_idle =
-      gdk_threads_add_idle_full (GDK_PRIORITY_REDRAW,
-				 gdk_window_update_idle,
-				 NULL, NULL);
+  if (got_recursive_update && !damage_reported)
+    {
+      gdk_threads_periodic_damaged (gdk_window_repair, NULL, NULL);
+      damage_reported = TRUE;
+    }
 }
 
 /**

gtk/gtkmain.c

@@ -1068,6 +1068,9 @@ gtk_init_check (int	 *argc,
   if (!gtk_parse_args (argc, argv))
     return FALSE;
 
+  if (gdk_threads_get_periodic () == NULL)
+    gdk_threads_set_periodic (g_periodic_new (60, GDK_PRIORITY_REDRAW));
+
   return gdk_display_open_default_libgtk_only () != NULL;
 }
 

gtk/gtkspinner.c

@@ -66,7 +66,7 @@ struct _GtkSpinnerPrivate
   guint num_steps;
   guint cycle_duration;
   gboolean active;
-  guint timeout;
+  guint tag;
 };
 
 static void gtk_spinner_dispose        (GObject         *gobject);
@@ -211,9 +211,6 @@ gtk_spinner_init (GtkSpinner *spinner)
   priv = G_TYPE_INSTANCE_GET_PRIVATE (spinner,
                                       GTK_TYPE_SPINNER,
                                       GtkSpinnerPrivate);
-  priv->current = 0;
-  priv->timeout = 0;
-
   spinner->priv = priv;
 
   gtk_widget_set_has_window (GTK_WIDGET (spinner), FALSE);
@@ -269,42 +266,34 @@ gtk_spinner_draw (GtkWidget *widget,
   return FALSE;
 }
 
-static gboolean
-gtk_spinner_timeout (gpointer data)
+static void
+gtk_spinner_tick (GPeriodic *periodic,
+                  guint64    timestamp,
+                  gpointer   user_data)
 {
   GtkSpinnerPrivate *priv;
+  guint duration;
 
-  priv = GTK_SPINNER (data)->priv;
+  priv = GTK_SPINNER (user_data)->priv;
 
-  if (priv->current + 1 >= priv->num_steps)
-    priv->current = 0;
-  else
-    priv->current++;
+  duration = priv->cycle_duration * 1000;
+  priv->current = (timestamp % duration) / (duration / priv->num_steps);
 
-  gtk_widget_queue_draw (GTK_WIDGET (data));
-
-  return TRUE;
+  gtk_widget_queue_draw (GTK_WIDGET (user_data));
 }
 
 static void
 gtk_spinner_add_timeout (GtkSpinner *spinner)
 {
-  GtkSpinnerPrivate *priv;
-
-  priv = spinner->priv;
-
-  priv->timeout = gdk_threads_add_timeout ((guint) priv->cycle_duration / priv->num_steps, gtk_spinner_timeout, spinner);
+  spinner->priv->tag =
+    gdk_threads_periodic_add (gtk_spinner_tick, spinner, NULL);
 }
 
 static void
 gtk_spinner_remove_timeout (GtkSpinner *spinner)
 {
-  GtkSpinnerPrivate *priv;
-
-  priv = spinner->priv;
-
-  g_source_remove (priv->timeout);
-  priv->timeout = 0;
+  gdk_threads_periodic_remove (spinner->priv->tag);
+  spinner->priv->tag = 0;
 }
 
 static void
@@ -325,7 +314,7 @@ gtk_spinner_unmap (GtkWidget *widget)
   GtkSpinner *spinner = GTK_SPINNER (widget);
   GtkSpinnerPrivate *priv = spinner->priv;
 
-  if (priv->timeout != 0)
+  if (priv->tag != 0)
     gtk_spinner_remove_timeout (spinner);
 
   GTK_WIDGET_CLASS (gtk_spinner_parent_class)->unmap (widget);
@@ -355,7 +344,7 @@ gtk_spinner_dispose (GObject *gobject)
 
   priv = GTK_SPINNER (gobject)->priv;
 
-  if (priv->timeout != 0)
+  if (priv->tag != 0)
     {
       gtk_spinner_remove_timeout (GTK_SPINNER (gobject));
     }
@@ -377,11 +366,11 @@ gtk_spinner_set_active (GtkSpinner *spinner, gboolean active)
       priv->active = active;
       g_object_notify (G_OBJECT (spinner), "active");
 
-      if (active && gtk_widget_get_realized (GTK_WIDGET (spinner)) && priv->timeout == 0)
+      if (active && gtk_widget_get_realized (GTK_WIDGET (spinner)) && priv->tag == 0)
         {
           gtk_spinner_add_timeout (spinner);
         }
-      else if (!active && priv->timeout != 0)
+      else if (!active && priv->tag != 0)
         {
           gtk_spinner_remove_timeout (spinner);
         }