Author: post
Date: 2011-09-18 13:16:04 +0200 (Sun, 18 Sep 2011)
New Revision: 4041
Modified:
trunk/librawstudio/rs-curve.c
Log:
Add image update while dragging curve.
Modified: trunk/librawstudio/rs-curve.c
===================================================================
--- trunk/librawstudio/rs-curve.c 2011-09-10 22:01:31 UTC (rev 4040)
+++ trunk/librawstudio/rs-curve.c 2011-09-18 11:16:04 UTC (rev 4041)
@@ -43,6 +43,7 @@
gint last_width[2];
PangoLayout* help_layout;
gboolean histogram_uptodate;
+ gulong delay_update;
};
struct _RSCurveWidgetClass
@@ -137,6 +138,7 @@
curve->rgb_values[0] = -1;
curve->rgb_values[1] = -1;
curve->rgb_values[2] = -1;
+ curve->delay_update = 0;
}
/**
@@ -309,6 +311,9 @@
g_object_unref(curve->help_layout);
if (curve->input)
rs_filter_set_recursive(RS_FILTER(curve->input),
"read-out-curve", NULL, NULL);
+ if (curve->delay_update > 0)
+ g_source_remove(curve->delay_update);
+
}
/**
@@ -865,6 +870,20 @@
signals[CHANGED_SIGNAL], 0);
}
+static gboolean
+delayed_update(gpointer data)
+{
+ g_return_val_if_fail (data != NULL, FALSE);
+ RSCurveWidget *curve = RS_CURVE_WIDGET(data);
+ g_return_val_if_fail (RS_IS_CURVE_WIDGET(curve), FALSE);
+ g_source_remove(curve->delay_update);
+ curve->delay_update = 0;
+ gdk_threads_enter();
+ rs_curve_changed(curve);
+ gdk_threads_leave();
+ return TRUE;
+}
+
/**
* Expose event handler
*/
@@ -1007,8 +1026,12 @@
/* Move the knot */
rs_spline_move(curve->spline, curve->active_knot, x, y);
}
+ if (curve->delay_update > 0)
+ g_source_remove(curve->delay_update);
+ curve->delay_update = g_timeout_add(50, delayed_update, curve);
rs_curve_draw(curve);
+
}
else /* Only reset active_knot if we're not moving anything */
{
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