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Qt Designer won't let me drag and drop widgets from Widget Box

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  • M Offline
    M Offline
    mstanescu
    wrote on last edited by
    #1

    Hello all,

    I am using Qt Designer 4.7.3 and has the following annoying bug.

    I open some form (dialog) but when i try to drag and drop widgets (any of them) from the widget box to my dialog it ignores me. I cannot start the drag.

    Anyone has some workaround for this problem? I can reproduce this pretty easy and my co-workers can also.

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    0
    • K Offline
      K Offline
      koahnig
      wrote on last edited by
      #2

      Which operation system you are using?

      Vote the answer(s) that helped you to solve your issue(s)

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      0
      • M Offline
        M Offline
        mstanescu
        wrote on last edited by
        #3

        Windows 7

        Seems that after some time of idling i can drag and drop again but if i save the form the problem comes back to life

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        • K Offline
          K Offline
          koahnig
          wrote on last edited by
          #4

          I am using win 7 64 bit. I have tried it out. It's working on my machine.

          • I have created dialog box with buttons.
          • Drag and drop works.
          • Created dialog without buttons.
          • Drag and drop works.
          • Saved both boxes.
          • Closed them.
          • Closed designer.
          • Opened designer.
          • Opened dialogs.
          • Drag and drop works as well.

          I checked, I was using version 4.7.3 of designer.
          Do you use dialog boxes created with a previous?
          May be there is the problem.

          Vote the answer(s) that helped you to solve your issue(s)

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          0
          • R Offline
            R Offline
            raymond
            wrote on last edited by
            #5

            Sorry to resurrect an old thread, just found this searching for a solution to the same problem. Thought I could post the solution I found for others that also find this when searching for the answer. :)

            I was using Qt Designer for Qt Jambi built with Qt 4.6.4 on Windows 7 x64 when this problem occurred. After a while I realized that the problem was not only in Qt designer, but in Windows in general: Explorer, FileZilla and more.

            The solution was then found by searching for general "Windows 7 drag and drop problems":http://answers.microsoft.com/en-us/windows/forum/windows_7-performance/drag-and-drop-not-working-in-windows-7/f6dcfa11-8c51-e011-8dfc-68b599b31bf5.

            In short: Select a file in Windows Explorer with click and hold left mouse button. While holding the button down, hit the Esc key. Then drag and drop starts working again.

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            • M Offline
              M Offline
              mstanescu
              wrote on last edited by
              #6

              Hooray..... i owe you one beer.

              I tried and the workaround workd

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              0
              • M Offline
                M Offline
                mstanescu
                wrote on last edited by
                #7

                Hi all,

                Sorry to resurect this thread but now i made some app which implements drag & drop.

                I start the app and drag & drop doesnt work initially. However after i drag and drop in another app in windows , my application magically start to work also.

                I use qt 4.7.3.

                Any ideas?

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                • C Offline
                  C Offline
                  codyreign
                  wrote on last edited by
                  #8
                   I hate to bring such an old thread back to life, but just in case others come across this, press [esc].  This seems to fix the issue.
                  
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                  • P Offline
                    P Offline
                    phyatt
                    wrote on last edited by
                    #9

                    This feels like a bug in Qt Designer. I has been happening to me, every time I close Designer when pressing Escape or when I cancel out of a selection or dialog with Escape. It feels really bad. And I can fix it using the tricks mentioned here, but has anyone reported it?

                    I never noticed this in earlier versions of Qt. Is anyone against me reporting this bug?

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                    0
                    • P Offline
                      P Offline
                      phyatt
                      wrote on last edited by
                      #10

                      This feels like a bug in Qt Designer. I has been happening to me, every time I close Designer when pressing Escape or when I cancel out of a selection or dialog with Escape. It feels really bad. And I can fix it using the tricks mentioned here, but has anyone reported it?

                      I never noticed this in earlier versions of Qt. Is anyone against me reporting this bug?

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                      0
                      • JKSHJ Offline
                        JKSHJ Offline
                        JKSH
                        Moderators
                        wrote on last edited by
                        #11

                        Hi,

                        [quote author="phyatt" date="1421714153"]This feels like a bug in Qt Designer. I has been happening to me, every time I close Designer when pressing Escape or when I cancel out of a selection or dialog with Escape. It feels really bad. And I can fix it using the tricks mentioned here, but has anyone reported it?

                        I never noticed this in earlier versions of Qt. Is anyone against me reporting this bug?[/quote]If you are experiencing this on the latest version (Qt Creator 3.3.0, from the Qt 5.4.0 installer), please submit a bug report.

                        Qt Doc Search for browsers: forum.qt.io/topic/35616/web-browser-extension-for-improved-doc-searches

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                        0
                        • JKSHJ Offline
                          JKSHJ Offline
                          JKSH
                          Moderators
                          wrote on last edited by
                          #12

                          Hi,

                          [quote author="phyatt" date="1421714153"]This feels like a bug in Qt Designer. I has been happening to me, every time I close Designer when pressing Escape or when I cancel out of a selection or dialog with Escape. It feels really bad. And I can fix it using the tricks mentioned here, but has anyone reported it?

                          I never noticed this in earlier versions of Qt. Is anyone against me reporting this bug?[/quote]If you are experiencing this on the latest version (Qt Creator 3.3.0, from the Qt 5.4.0 installer), please submit a bug report.

                          Qt Doc Search for browsers: forum.qt.io/topic/35616/web-browser-extension-for-improved-doc-searches

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                          0
                          • P Offline
                            P Offline
                            phyatt
                            wrote on last edited by
                            #13

                            Bug Report:
                            https://bugreports.qt.io/browse/QTCREATORBUG-13852

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                            0
                            • P Offline
                              P Offline
                              phyatt
                              wrote on last edited by
                              #14

                              Bug Report:
                              https://bugreports.qt.io/browse/QTCREATORBUG-13852

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                              0
                              • VincentSiuV Offline
                                VincentSiuV Offline
                                VincentSiu
                                wrote on last edited by
                                #15

                                Running Qt Designer 4.0.1 (MSVC2013, 32 bit) on Windows 7. I still have the same problem with the drag and drop.

                                The trick which involves clicking ESC in Windows Explorer works for a short moment, until I select a different widget. It's really annoying.

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