Any update? On Wed, Dec 23, 2009 at 6:26 PM, Dees <deepali.shef...@gmail.com> wrote: > > People, any clue? Struggling really hard. > > On Fri, Dec 18, 2009 at 11:23 AM, Dees <deepali.shef...@gmail.com> wrote: > > Hi Jon, > > > > Did you get a chance to look at this? > > From whatever posts available online, I could not get a clue what is > > going wrong. > > Please respond. > > > > Thanks, > > Shefali > > > > On Mon, Dec 14, 2009 at 12:12 PM, Dees <deepali.shef...@gmail.com> wrote: > >> On Fri, Nov 13, 2009 at 8:26 PM, Jon TURNEY <jon.tur...@dronecode.org.uk> > >> wrote: > >>> On 30/10/2009 09:06, Dees wrote: > >>>> > >>>> Your reply is much appreciated Jon. I will try to be more specific > >>>> about the problem in further mails. > >>>> > >>>> On Thu, Oct 29, 2009 at 8:11 PM, Jon TURNEY<jon.tur...@dronecode.org.uk> > >>>> wrote: > >>>>> > >>>>> On 28/10/2009 05:57, Dees wrote: > >>>>>> > >>>>>> I have developed a Java application involving jTree with extensive > >>>>>> drag and drop support, which runs correctly in my Linux box. However, > >>>>>> when I switch to a windows box and access the same Linux box using > >>>>>> cygwin x-server, the drag and drop in jTree stops working. > >>>>>> Interestingly, rest of the application still works fine. After > >>>>>> analyzing a bit I found that x-server is able to recognize the drag > >>>>>> event but fails to recognize a drop event. > >>>>> > >>>>> Details? > >>>> > >>>> OS : Suse Linux Enterprise Server 10 (i586) > >>>> Version : 10 > >>>> Patch level : 3 > >>>> Other version information: > >>>> Java : JDK 5 > >>>> Cygwin setup-version: 2.573.2.3 > >>>> Also tried using Xming 6.9.0.31 ssh same Linux setup from Windows, but > >>>> that also doesn't solve the problem. > >>>> > >>>>> > >>>>>> Is there any setting, which should be done prior to running the Java > >>>>>> swing applications? > >>>>>> > >>>>>> Here is a sample code which behaves in exactly same way. > >>>>>> http://www.java2s.com/Code/Java/Swing-JFC/TreeDragandDrop.htm > >>>>> > >>>>> I have no idea how to use that java code to reproduce the problem you > >>>>> are > >>>>> seeing. > >>>> > >>>> Using the above java code in Linux: > >>>> 1. Download and Install Java Development Toolkit on your Linux box > >>>> (Java sun download site: > >>>> http://java.sun.com/javase/downloads/index.jsp), if you do not have it > >>>> already. > >>>> 2. Save the sample code in the above link with the file name > >>>> TreeTester.java, say in /home/user/ > >>>> 3. Navigate to TreeTester.java from shell, and compile the java code: > >>>> # cd /home/user/ > >>>> # /usr/java/jdk1.5.0_14/bin/javac TreeTester.java > >>>> Ignore any warnings of deprecated APIs. > >>>> 4. This will create a few .class files in /home/user/ directory. Final > >>>> step is to run the Java code, using: > >>>> # /usr/java/jdk1.5.0_14/bin/java -classpath . TreeTester > >>>> This will open up a GUI, with a jTree each on left and right pane. > >>>> You can drag and drop any of the leaf nodes from one jTree to the root > >>>> node of the other jTree and this should add a new node in the other > >>>> jTree. You will get messages on console for the operations being > >>>> performed. Now ssh the same box using cygwin/xming from any other > >>>> windows box, and run the application using command in step 4. You > >>>> should be able to drag (a small icon will come under cursor indicating > >>>> that something is being dragged) but when you will drop it, the new > >>>> node would not be added to the tree. Thats where lies my problem!!! > >>> > >>> Thanks for the test case and instructions, this makes it much easier for > >>> me > >>> to try it out. > >>> > >>> However, this testcase and your jar archive both work fine for me (using > >>> Xserver 1.7.1-3)! > >>> > >>>>>> May be my problem is related to some setting. Though, not sure. > >>>>>> Has anybody come across something similar? What should be done then? > >>>>>> Please let me know. > >>>>> > >>>>> No it's probably a bug in Cygwin/X. But you're going to need to be a > >>>>> lot > >>>>> more specific about the problem before any progress can be made on > >>>>> fixing > >>>>> it. > >>> > >>>> Also, putting some debug messages in the code lets me conclude that > >>>> it's the drop event which is not being recognized, as the main control > >>>> never reaches there. > >>> > >>> There is not really any drop event, as far as the X server is concerned, > >>> just mouse click and motion events, which are passed on to you application > >>> (which has a framework to interpret them as dragging and dropping an > >>> item). > >>> > >>> Now having a better idea of the problem, it seems less likely it is an > >>> Xserver bug at all. The only Xserver cause I can think of would be if it > >>> was somehow not sending the correct events to your applications window, > >>> which you could test using xev -id <your applications window id> (you can > >>> use xwininfo to find the window id) > >>> > >> I have tried this, but could not get any idea if any event is going wrong. > >> Here is the output of xev -id 0xe00021 (only for drag and drop event): > >> > >> LeaveNotify event, serial 13, synthetic NO, window 0xe00021, > >> root 0x5a, subw 0xe00025, time 3560250, (87,65), root:(91,95), > >> mode NotifyGrab, detail NotifyVirtual, same_screen YES, > >> focus YES, state 256 > >> > >> FocusOut event, serial 13, synthetic NO, window 0xe00021, > >> mode NotifyGrab, detail NotifyAncestor > >> > >> EnterNotify event, serial 13, synthetic NO, window 0xe00021, > >> root 0x5a, subw 0xe00025, time 3565375, (212,48), root:(216,78), > >> mode NotifyUngrab, detail NotifyVirtual, same_screen YES, > >> focus YES, state 0 > >> > >> KeymapNotify event, serial 13, synthetic NO, window 0x0, > >> keys: 90 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 > >> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 > >> > >> FocusIn event, serial 13, synthetic NO, window 0xe00021, > >> mode NotifyUngrab, detail NotifyAncestor > >> > >> KeymapNotify event, serial 13, synthetic NO, window 0x0, > >> keys: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 > >> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 > >> > >> LeaveNotify event, serial 13, synthetic NO, window 0xe00021, > >> root 0x5a, subw 0xe00025, time 3569046, (205,211), root:(209,241), > >> mode NotifyNormal, detail NotifyNonlinearVirtual, same_screen YES, > >> focus YES, state 0 > >> > >> Does the window 0x0 in two events in the log(above) signify anything > >> misbehaving? > >> Your reply is much awaited and appreciated. > >> > >> > >>> -- > >>> Jon TURNEY > >>> Volunteer Cygwin/X X Server maintainer > >>> > >> > >
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