--- old/src/java.desktop/unix/classes/sun/awt/X11/XWindow.java	2015-05-28 15:30:10.654122900 +0300
+++ new/src/java.desktop/unix/classes/sun/awt/X11/XWindow.java	2015-05-28 15:30:10.202065400 +0300
@@ -572,10 +572,6 @@
     }
 
     static int getModifiers(int state, int button, int keyCode) {
-        return getModifiers(state, button, keyCode, 0,  false);
-    }
-
-    static int getModifiers(int state, int button, int keyCode, int type, boolean wheel_mouse) {
         int modifiers = 0;
 
         if (((state & XConstants.ShiftMask) != 0) ^ (keyCode == KeyEvent.VK_SHIFT)) {
@@ -606,7 +602,7 @@
             // ONLY one of these conditions should be TRUE to add that modifier.
             if (((state & XlibUtil.getButtonMask(i + 1)) != 0) != (button == XConstants.buttons[i])){
                 //exclude wheel buttons from adding their numbers as modifiers
-                if (!wheel_mouse) {
+                if (!isWheel(XConstants.buttons[i])) {
                     modifiers |= InputEvent.getMaskForButton(i+1);
                 }
             }
@@ -614,6 +610,11 @@
         return modifiers;
     }
 
+    static boolean isWheel(int button) {
+        // 4 and 5 buttons are usually considered assigned to a first wheel
+        return button == XConstants.buttons[3] || button == XConstants.buttons[4];
+    }
+
     static int getXModifiers(AWTKeyStroke stroke) {
         int mods = stroke.getModifiers();
         int res = 0;
@@ -653,7 +654,6 @@
         int modifiers;
         boolean popupTrigger = false;
         int button=0;
-        boolean wheel_mouse = false;
         int lbutton = xbe.get_button();
         /*
          * Ignore the buttons above 20 due to the bit limit for
@@ -706,11 +706,6 @@
         }
 
         button = XConstants.buttons[lbutton - 1];
-        // 4 and 5 buttons are usually considered assigned to a first wheel
-        if (lbutton == XConstants.buttons[3] ||
-            lbutton == XConstants.buttons[4]) {
-            wheel_mouse = true;
-        }
 
         // mapping extra buttons to numbers starting from 4.
         if ((button > XConstants.buttons[4]) && (!Toolkit.getDefaultToolkit().areExtraMouseButtonsEnabled())){
@@ -720,9 +715,9 @@
         if (button > XConstants.buttons[4]){
             button -= 2;
         }
-        modifiers = getModifiers(xbe.get_state(),button,0, type, wheel_mouse);
+        modifiers = getModifiers(xbe.get_state(),button,0);
 
-        if (!wheel_mouse) {
+        if (!isWheel(lbutton)) {
             MouseEvent me = new MouseEvent(getEventSource(),
                                            type == XConstants.ButtonPress ? MouseEvent.MOUSE_PRESSED : MouseEvent.MOUSE_RELEASED,
                                            jWhen,modifiers, x, y,