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  1. JDK
  2. JDK-4522626

User-constructed MouseEvents don't have correct modifiers

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    • generic
    • generic

      The code below demonstrates a number of problems with the modifiers field of manually constructed MouseEvents.

      import java.awt.*;
      import java.awt.event.*;

      public class MouseEventConstruction {
          final static int inmods[] = {
              InputEvent.BUTTON1_MASK,
              InputEvent.BUTTON1_MASK | InputEvent.ALT_MASK,
              InputEvent.BUTTON1_MASK | InputEvent.SHIFT_MASK,
              InputEvent.BUTTON1_MASK | InputEvent.META_MASK,
              InputEvent.BUTTON1_MASK | InputEvent.CTRL_MASK,
              InputEvent.BUTTON1_MASK | InputEvent.SHIFT_MASK | InputEvent.ALT_MASK,
              InputEvent.BUTTON1_MASK | InputEvent.BUTTON2_MASK,
              InputEvent.BUTTON2_MASK | InputEvent.ALT_MASK,
              InputEvent.BUTTON2_MASK | InputEvent.SHIFT_MASK,
              InputEvent.BUTTON2_MASK | InputEvent.META_MASK,
              InputEvent.BUTTON2_MASK | InputEvent.CTRL_MASK,
              };
          final static int numEvents = inmods.length;

          public static void main(String[] args) {
              Frame dummy = new Frame("dummy");
              MouseEvent event;
              for(int loop = 0; loop < numEvents; loop++) {
                  event = new MouseEvent(dummy,
                                         MouseEvent.MOUSE_PRESSED,
                                         0,
                                         inmods[loop],
                                         0,0,0,false);
                  if (event.getModifiers() != inmods[loop]) {
                      System.out.println("[" + loop + "]Test failed for mask " + inmods[loop] + ", got: " + event.getModifiers());
                  }
              }
              System.out.println("Test done.");
          }
      }

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            bchristi Brent Christian
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