Add functions to scroll the mouse up and down

include/opencv1/libcvautomation/libcvautomation-xtest.h

@@ -84,6 +84,12 @@ void xte_mouseUp ( Display *displayLocation, int mouseButton );
 /* Move the mouse a little bit */
 void xte_mouseJiggle ( Display *displayLocation );
 
+/* Scroll the mouse up */
+void xte_mouseScrollUp ( Display *displayLocation );
+
+/* Scroll the mouse down */
+void xte_mouseScrollDown ( Display *displayLocation );
+
 /* Press and release a key 
  * Note that we use a string for *key, since keys like "space" are still valid. */
 void xte_clickKey ( Display *displayLocation, char *key );
@@ -404,6 +410,16 @@ Release  mouse button \c <button_number>
 \code 'mousejiggle' \endcode
 Jiggle the mouse (helps to activate some widgets). Moves the mouse right and down 1 pixel, and then back.
 
+\section mousescrolld Mouse Scroll Down
+\code 'mousescrolld' \endcode
+Scroll the mouse down 1 time - depending on window manager settings, etc., this may be multiple lines.
+\note This is a wrapper function for clicking button 4 on the mouse
+
+\section mousescrollu Mouse Scroll Up
+\code 'mousescrollu' \endcode
+Scroll the mouse up 1 time - depending on window manager settings, etc., this may be multiple lines.
+\note This is a wrapper function for clicking button 5 on the mouse
+
 \section keyclick Key Button Click
 \code 'keyclick <key_name>' \endcode
 Push and release a keyboard key. This can be a key like \c 'a', \c 'b', or something fancy like \c 'Space'. Please see \ref XTest_key_strings for a full list of special keys.

include/opencv2/libcvautomation/libcvautomation-xtest.h

@@ -85,6 +85,12 @@ void xte_mouseUp ( Display *displayLocation, int mouseButton );
 /* Move the mouse a little bit */
 void xte_mouseJiggle ( Display *displayLocation );
 
+/* Scroll the mouse up */
+void xte_mouseScrollUp ( Display *displayLocation );
+
+/* Scroll the mouse down */
+void xte_mouseScrollDown ( Display *displayLocation );
+
 /* Press and release a key 
  * Note that we use a string for *key, since keys like "space" are still valid. */
 void xte_clickKey ( Display *displayLocation, char *key );
@@ -405,6 +411,16 @@ Release  mouse button \c <button_number>
 \code 'mousejiggle' \endcode
 Jiggle the mouse (helps to activate some widgets). Moves the mouse right and down 1 pixel, and then back.
 
+\section mousescrolld Mouse Scroll Down
+\code 'mousescrolld' \endcode
+Scroll the mouse down 1 time - depending on window manager settings, etc., this may be multiple lines.
+\note This is a wrapper function for clicking button 4 on the mouse
+
+\section mousescrollu Mouse Scroll Up
+\code 'mousescrollu' \endcode
+Scroll the mouse up 1 time - depending on window manager settings, etc., this may be multiple lines.
+\note This is a wrapper function for clicking button 5 on the mouse
+
 \section keyclick Key Button Click
 \code 'keyclick <key_name>' \endcode
 Push and release a keyboard key. This can be a key like \c 'a', \c 'b', or something fancy like \c 'Space'. Please see \ref XTest_key_strings for a full list of special keys.

libcvautomation/libcvautomation-xtest.c

@@ -486,6 +486,34 @@ void xte_mouseJiggle ( Display *displayLocation )
 	XFlush( displayLocation );
 }
 
+/* 
+ * ===  FUNCTION  ======================================================================
+ *         Name:  xte_mouseScrollUp
+ *  Description:  Scroll the mouse up
+ * =====================================================================================
+ */
+void xte_mouseScrollUp ( Display *displayLocation )
+{
+	XTestFakeButtonEvent( displayLocation, 4, True, CurrentTime );
+	XTestFakeButtonEvent( displayLocation, 4, False, CurrentTime );
+
+	XFlush( displayLocation );
+}		/* -----  end of function xte_mouseScrollUp  ----- */
+
+/* 
+ * ===  FUNCTION  ======================================================================
+ *         Name:  xte_mouseScrollDown
+ *  Description:  Scroll the mouse down
+ * =====================================================================================
+ */
+void xte_mouseScrollDown ( Display *displayLocation )
+{
+	XTestFakeButtonEvent( displayLocation, 5, True, CurrentTime );
+	XTestFakeButtonEvent( displayLocation, 5, False, CurrentTime );
+
+	XFlush( displayLocation );
+}		/* -----  end of function xte_mouseScrollDown  ----- */
+
 /* 
  * ===  FUNCTION  ======================================================================
  *         Name:  xte_clickKey
@@ -688,6 +716,14 @@ cvaPoint xte_commandString ( Display *displayLocation, char *commandString, int
 	{
 		xte_mouseJiggle( displayLocation );
 	}
+	else if (IS_CMD( s_commandString, "mousescrollu" ))
+	{
+		xte_mouseScrollUp( displayLocation );
+	}
+	else if (IS_CMD( s_commandString, "mousescrolld" ))
+	{
+		xte_mouseScrollDown( displayLocation );
+	}
 	else if (IS_CMD( s_commandString, "keyclick" ))
 	{
 		char *key;