Added rudimentary gesture engine and test in gtk frontend

svn path=/trunk/netsurf/; revision=2611

1 files changed, 38 insertions, 0 deletions

diff --git a/desktop/gesture_core.h b/desktop/gesture_core.h
new file mode 100644
index 000000000..ccba38988
--- /dev/null
+++ b/desktop/gesture_core.h
@@ -0,0 +1,38 @@
+/*
+ * This file is part of NetSurf, http://netsurf.sourceforge.net/
+ * Licensed under the GNU General Public License,
+ *                http://www.opensource.org/licenses/gpl-license
+ * Copyright 2006 Daniel Silverstone <dsilvers@digital-scurf.org>
+ */
+
+/** \file
+ * Mouse gesture core (interface)
+ */
+
+#ifndef _NETSURF_DESKTOP_GESTURE_CORE_H
+#define _NETSURF_DESKTOP_GESTURE_CORE_H_
+
+#include <stdbool.h>
+
+typedef struct _gesture_recogniser* GestureRecogniser;
+typedef struct _gesturer_state* Gesturer;
+
+GestureRecogniser gesture_recogniser_create(void);
+void gesture_recogniser_add(GestureRecogniser recog, 
+                            const char* gesture_str, int gesture_tag);
+void gesture_recogniser_destroy(GestureRecogniser recog);
+void gesture_recogniser_set_distance_threshold(GestureRecogniser recog, 
+                                               int min_distance);
+void gesture_recogniser_set_count_threshold(GestureRecogniser recog, 
+                                            int max_nonmove);
+
+
+Gesturer gesturer_create(GestureRecogniser recog);
+Gesturer gesturer_clone(Gesturer gesturer);
+void gesturer_destroy(Gesturer gesturer);
+int gesturer_add_point(Gesturer gesturer, int x, int y);
+void gesturer_clear_points(Gesturer gesturer);
+
+#define GESTURE_NONE -1
+
+#endif