From b7685ad06b6f1cf773509e99bc612bc16805e70e Mon Sep 17 00:00:00 2001
From: Emmanuele Bassi <ebassi@linux.intel.com>
Date: Mon, 28 Feb 2011 16:46:27 +0000
Subject: [PATCH] settings: Add dnd-drag-threshold property

The newly added ClutterSettings:dnd-drag-threshold stores the
threshold, in pixels, that should be passed by the cursor to
start a drag operation.

http://bugzilla.clutter-project.org/show_bug.cgi?id=2583
---
 clutter/clutter-settings.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/clutter/clutter-settings.c b/clutter/clutter-settings.c
index e050932cc..75742ba79 100644
--- a/clutter/clutter-settings.c
+++ b/clutter/clutter-settings.c
@@ -49,6 +49,8 @@ struct _ClutterSettings
   gint double_click_time;
   gint double_click_distance;
 
+  gint dnd_drag_threshold;
+
   gdouble resolution;
 
   gchar *font_name;
@@ -73,6 +75,8 @@ enum
   PROP_DOUBLE_CLICK_TIME,
   PROP_DOUBLE_CLICK_DISTANCE,
 
+  PROP_DND_DRAG_THRESHOLD,
+
   PROP_FONT_NAME,
 
   PROP_FONT_ANTIALIAS,
@@ -210,6 +214,10 @@ clutter_settings_set_property (GObject      *gobject,
       self->double_click_distance = g_value_get_int (value);
       break;
 
+    case PROP_DND_DRAG_THRESHOLD:
+      self->dnd_drag_threshold = g_value_get_int (value);
+      break;
+
     case PROP_FONT_NAME:
       g_free (self->font_name);
       self->font_name = g_value_dup_string (value);
@@ -267,6 +275,10 @@ clutter_settings_get_property (GObject    *gobject,
       g_value_set_int (value, self->double_click_distance);
       break;
 
+    case PROP_DND_DRAG_THRESHOLD:
+      g_value_set_int (value, self->dnd_drag_threshold);
+      break;
+
     case PROP_FONT_NAME:
       g_value_set_string (value, self->font_name);
       break;
@@ -357,6 +369,22 @@ clutter_settings_class_init (ClutterSettingsClass *klass)
                       5,
                       CLUTTER_PARAM_READWRITE);
 
+  /**
+   * ClutterSettings:dnd-drag-threshold:
+   *
+   * The default distance that the cursor of a pointer device
+   * should travel before a drag operation should start.
+   *
+   * Since: 1.8
+   */
+  obj_props[PROP_DND_DRAG_THRESHOLD] =
+    g_param_spec_int ("dnd-drag-threshold",
+                      P_("Drag Threshold"),
+                      P_("The distance the cursor should travel before starting to drag"),
+                      1, G_MAXINT,
+                      8,
+                      CLUTTER_PARAM_READWRITE);
+
   /**
    * ClutterSettings:font-name:
    *
@@ -481,6 +509,8 @@ clutter_settings_init (ClutterSettings *self)
   self->double_click_time = 250;
   self->double_click_distance = 5;
 
+  self->dnd_drag_threshold = 8;
+
   self->font_name = g_strdup (DEFAULT_FONT_NAME);
 
   self->xft_antialias = -1;