[gimp] app: gimp_motion_buffer_eval_event(): always set last_read_motion_time

[Michael Natterer <mitch src gnome org>]

commit 41b469fcf53fd9dbdeee307733e2c9a3095e1c0a
Author: Michael Natterer <mitch gimp org>
Date:   Sun Apr 17 19:34:02 2011 +0200

    app: gimp_motion_buffer_eval_event(): always set last_read_motion_time
    
    We need it for correctly requesting device history, so we must
    remember it also when returning FALSE and ignoring the event.

 app/display/gimpmotionbuffer.c |    7 +++++--
 app/display/gimpmotionbuffer.h |    3 ++-
 2 files changed, 7 insertions(+), 3 deletions(-)
---
diff --git a/app/display/gimpmotionbuffer.c b/app/display/gimpmotionbuffer.c
index 0144e61..822b145 100644
--- a/app/display/gimpmotionbuffer.c
+++ b/app/display/gimpmotionbuffer.c
@@ -218,6 +218,11 @@ gimp_motion_buffer_eval_event (GimpMotionBuffer *buffer,
   gdouble  distance    = 1.0;
   gboolean event_fill  = (inertia_factor > 0.0);
 
+  /*  the last_read_motion_time most be set unconditionally, so set
+   *  it early
+   */
+  buffer->last_read_motion_time  = time;
+
   /*  Smoothing causes problems with cursor tracking when zoomed above
    *  screen resolution so we need to supress it.
    */
@@ -377,8 +382,6 @@ gimp_motion_buffer_eval_event (GimpMotionBuffer *buffer,
 
   g_array_append_val (buffer->event_queue, *coords);
 
-  buffer->last_read_motion_time  = time;
-
   buffer->last_coords            = *coords;
   buffer->last_motion_time       = time;
   buffer->last_motion_delta_time = delta_time;
diff --git a/app/display/gimpmotionbuffer.h b/app/display/gimpmotionbuffer.h
index 4a53c89..2f98fd7 100644
--- a/app/display/gimpmotionbuffer.h
+++ b/app/display/gimpmotionbuffer.h
@@ -38,8 +38,9 @@ struct _GimpMotionBuffer
 {
   GimpObject  parent_instance;
 
-  guint32     last_motion_time; /*  previous time of a forwarded motion event  */
   guint32     last_read_motion_time;
+
+  guint32     last_motion_time; /*  previous time of a forwarded motion event  */
   gdouble     last_motion_delta_time;
   gdouble     last_motion_delta_x;
   gdouble     last_motion_delta_y;