[GREENFOOT-178] Mouse not updated when buttons other than left-button is pressed

When dragging the mouse around with the 2nd or 3rd button pressed, a MouseInfo object is not returned from Greenfoot.getMouseInfo().

Put this code into a world class:

• public void act() {
  MouseInfo mouse = Greenfoot.getMouseInfo(); if(mouse != null) {

    GreenfootImage img = getBackground();
    img.clear();
    img.setColor(java.awt.Color.BLACK);
        int x = mouse.getX();
        int y = mouse.getY();
        img.drawString("x: " + x + ", y: " + y, 100, 100);
    }

  }

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Issue metadata

• Issue type: Bug
• Priority: Medium
• Fix versions: 1.5.0