Uploaded image for project: 'JDK'
  1. JDK
  2. JDK-5039416

REGRESSION: Extra mouse click dispatched after press-drag- release sequence.

    XMLWordPrintable

    Details

    • Subcomponent:
    • Resolved In Build:
      b38
    • CPU:
      x86
    • OS:
      linux, windows_xp
    • Verification:
      Verified

      Backports

        Description

        Name: rmT116609 Date: 04/28/2004


        FULL PRODUCT VERSION :
        java version "1.5.0-beta"
        Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-beta-b32c)
        Java HotSpot(TM) Client VM (build 1.5.0-beta-b32c, mixed mode)


        ADDITIONAL OS VERSION INFORMATION :
        Linux fuji 2.4.20 #2 SMP Tue May 13 19:03:46 CEST 2003 i686 unknown unknown GNU/Linux


        EXTRA RELEVANT SYSTEM CONFIGURATION :
        none


        A DESCRIPTION OF THE PROBLEM :
        A mouse click event is dispatched after a mouse press-drag-release sequence has occurred. No click event should be generated if the mouse is dragged between the press and release events.


        STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
        1. Compile and run the attached test case.
        2. Click, drag and release the mouse in the window.


        EXPECTED VERSUS ACTUAL BEHAVIOR :
        EXPECTED -
        Mouse pressed
        Mouse dragged
        ...
        Mouse dragged
        Mouse released

        ACTUAL -
        Mouse pressed
        Mouse dragged
        ...
        Mouse dragged
        Mouse released
        Mouse clicked

        Note the unexpected click event at the end.


        ERROR MESSAGES/STACK TRACES THAT OCCUR :
        none


        REPRODUCIBILITY :
        This bug can be reproduced always.

        ---------- BEGIN SOURCE ----------
        import java.awt.*;
        import java.awt.event.*;
        import javax.swing.*;

        public class ExtraClickDemonstration extends JComponent {

        public ExtraClickDemonstration() {
        addMouseListener(new MouseAdapter() {
        public void mousePressed(MouseEvent e) {
        System.err.println("Mouse pressed");
        }

        public void mouseReleased(MouseEvent e) {
        System.err.println("Mouse released");
        }

        public void mouseClicked(MouseEvent e) {
        System.err.println("Mouse clicked");
        }
        });
        addMouseMotionListener(new MouseMotionAdapter() {
        public void mouseDragged(MouseEvent e) {
        System.err.println("Mouse dragged");
        }
        });
        }

        public static void main(String[] args) {
        JFrame frame = new JFrame("Extra Click Demonstration");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.getContentPane().add(new ExtraClickDemonstration(), BorderLayout.CENTER);
        frame.setSize(new Dimension(480, 300));
        frame.setVisible(true);
        }
        }

        ---------- END SOURCE ----------

        Release Regression From : 1.4.2_04
        The above release value was the last known release where this
        bug was known to work. Since then there has been a regression.

        (Incident Review ID: 260137)
        ======================================================================

          Attachments

            Issue Links

              Activity

                People

                Assignee:
                dav Andrei Dmitriev (Inactive)
                Reporter:
                rmandalasunw Ranjith Mandala (Inactive)
                Votes:
                0 Vote for this issue
                Watchers:
                1 Start watching this issue

                  Dates

                  Created:
                  Updated:
                  Resolved:
                  Imported:
                  Indexed: