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Blinking of pop-up widgets on Raspberry OS

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  • I IknowQT

    @jsulm said in Blinking of pop-up widgets on Raspberry OS:

    Do you mean on other widget (other window than the dialog)?
    If so then this is normal behaviour of the window manager used. You have same on Windows for example.

    It is a widget popped up on the qt widget and it is clicked outside the popup widget area.
    On Windows, this doesn't happen.

    problem gif

    Can you check the gif attached to the link?

    jsulmJ Offline
    jsulmJ Offline
    jsulm
    Lifetime Qt Champion
    wrote on last edited by
    #4

    @IknowQT I think this is the behaviour of your window manager, not Qt.
    Can you test with other, non-Qt application, with a modal dialog?

    https://forum.qt.io/topic/113070/qt-code-of-conduct

    I 1 Reply Last reply
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    • jsulmJ jsulm

      @IknowQT I think this is the behaviour of your window manager, not Qt.
      Can you test with other, non-Qt application, with a modal dialog?

      I Offline
      I Offline
      IknowQT
      wrote on last edited by
      #5

      @jsulm

      I got a hint from what you said, so I made the screen a little smaller instead of full screen.

      problem2.gif

      Is it because the Standard Curve widget behind is not in Modal shape?

      jsulmJ 1 Reply Last reply
      0
      • I IknowQT

        @jsulm

        I got a hint from what you said, so I made the screen a little smaller instead of full screen.

        problem2.gif

        Is it because the Standard Curve widget behind is not in Modal shape?

        jsulmJ Offline
        jsulmJ Offline
        jsulm
        Lifetime Qt Champion
        wrote on last edited by
        #6

        @IknowQT said in Blinking of pop-up widgets on Raspberry OS:

        Is it because the Standard Curve widget behind is not in Modal shape?

        What do you mean?
        A dialog is either modal or not.

        https://forum.qt.io/topic/113070/qt-code-of-conduct

        I 1 Reply Last reply
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        • jsulmJ jsulm

          @IknowQT said in Blinking of pop-up widgets on Raspberry OS:

          Is it because the Standard Curve widget behind is not in Modal shape?

          What do you mean?
          A dialog is either modal or not.

          I Offline
          I Offline
          IknowQT
          wrote on last edited by
          #7

          @jsulm

          So, is there any way to solve this problem?
          i want to do full screen

          jsulmJ 1 Reply Last reply
          0
          • I IknowQT

            @jsulm

            So, is there any way to solve this problem?
            i want to do full screen

            jsulmJ Offline
            jsulmJ Offline
            jsulm
            Lifetime Qt Champion
            wrote on last edited by
            #8

            @IknowQT Do you use a window manager?

            https://forum.qt.io/topic/113070/qt-code-of-conduct

            I 1 Reply Last reply
            0
            • jsulmJ jsulm

              @IknowQT Do you use a window manager?

              I Offline
              I Offline
              IknowQT
              wrote on last edited by
              #9

              @jsulm

              no it doesn't matter
              Do I need to change the settings on Raspberry OS?

              jsulmJ 1 Reply Last reply
              0
              • I IknowQT

                @jsulm

                no it doesn't matter
                Do I need to change the settings on Raspberry OS?

                jsulmJ Offline
                jsulmJ Offline
                jsulm
                Lifetime Qt Champion
                wrote on last edited by
                #10

                @IknowQT said in Blinking of pop-up widgets on Raspberry OS:

                no it doesn't matter

                What does this mean? Yes or no?

                https://forum.qt.io/topic/113070/qt-code-of-conduct

                I 3 Replies Last reply
                0
                • jsulmJ jsulm

                  @IknowQT said in Blinking of pop-up widgets on Raspberry OS:

                  no it doesn't matter

                  What does this mean? Yes or no?

                  I Offline
                  I Offline
                  IknowQT
                  wrote on last edited by
                  #11

                  @jsulm

                  No no

                  1 Reply Last reply
                  0
                  • jsulmJ jsulm

                    @IknowQT said in Blinking of pop-up widgets on Raspberry OS:

                    no it doesn't matter

                    What does this mean? Yes or no?

                    I Offline
                    I Offline
                    IknowQT
                    wrote on last edited by
                    #12

                    @jsulm

                    I tried removing the taskbar of Raspbian and running it, and the same symptoms appear.
                    Is there any other way?

                    1 Reply Last reply
                    0
                    • jsulmJ jsulm

                      @IknowQT said in Blinking of pop-up widgets on Raspberry OS:

                      no it doesn't matter

                      What does this mean? Yes or no?

                      I Offline
                      I Offline
                      IknowQT
                      wrote on last edited by
                      #13

                      @jsulm

                      Is there no way in qt?
                      I tested the same in Ubuntu OS, but the same phenomenon as in Raspbian does not appear.
                      For me this is a very important issue.
                      You may need to change your development direction and environment.

                      jsulmJ 1 Reply Last reply
                      0
                      • I IknowQT

                        @jsulm

                        Is there no way in qt?
                        I tested the same in Ubuntu OS, but the same phenomenon as in Raspbian does not appear.
                        For me this is a very important issue.
                        You may need to change your development direction and environment.

                        jsulmJ Offline
                        jsulmJ Offline
                        jsulm
                        Lifetime Qt Champion
                        wrote on last edited by
                        #14

                        @IknowQT What graphics environment and window managher do you use?
                        Do you use X server?

                        https://forum.qt.io/topic/113070/qt-code-of-conduct

                        I 1 Reply Last reply
                        0
                        • jsulmJ jsulm

                          @IknowQT What graphics environment and window managher do you use?
                          Do you use X server?

                          I Offline
                          I Offline
                          IknowQT
                          wrote on last edited by
                          #15

                          @jsulm

                          How can I check?
                          I'm not very good with Linux commands.

                          jsulmJ 1 Reply Last reply
                          0
                          • I IknowQT

                            @jsulm

                            How can I check?
                            I'm not very good with Linux commands.

                            jsulmJ Offline
                            jsulmJ Offline
                            jsulm
                            Lifetime Qt Champion
                            wrote on last edited by
                            #16

                            @IknowQT You should know what you installed.
                            What does

                            ps ax | grep X
                            

                            output?

                            https://forum.qt.io/topic/113070/qt-code-of-conduct

                            I 1 Reply Last reply
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                            • jsulmJ jsulm

                              @IknowQT You should know what you installed.
                              What does

                              ps ax | grep X
                              

                              output?

                              I Offline
                              I Offline
                              IknowQT
                              wrote on last edited by
                              #17

                              @jsulm

                               539 tty7     Ssl+   0:00 /usr/lib/xorg/Xorg :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
                                618 ?        Ssl    0:00 /usr/bin/lxsession -s LXDE-pi -e LXDE
                                845 ?        Sl     0:02 lxpanel --profile LXDE-pi
                                846 ?        Sl     0:00 pcmanfm --desktop --profile LXDE-pi
                               4762 pts/0    S+     0:00 grep --color=auto X
                              
                              
                              jsulmJ 1 Reply Last reply
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                              • I IknowQT

                                @jsulm

                                 539 tty7     Ssl+   0:00 /usr/lib/xorg/Xorg :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
                                  618 ?        Ssl    0:00 /usr/bin/lxsession -s LXDE-pi -e LXDE
                                  845 ?        Sl     0:02 lxpanel --profile LXDE-pi
                                  846 ?        Sl     0:00 pcmanfm --desktop --profile LXDE-pi
                                 4762 pts/0    S+     0:00 grep --color=auto X
                                
                                
                                jsulmJ Offline
                                jsulmJ Offline
                                jsulm
                                Lifetime Qt Champion
                                wrote on last edited by
                                #18

                                @IknowQT So, you have X server running and you're using LXDE desktop environment.
                                You could try with some other desktop environment to see whether it behaves in the same way (XFCE for example).

                                https://forum.qt.io/topic/113070/qt-code-of-conduct

                                I 1 Reply Last reply
                                0
                                • jsulmJ jsulm

                                  @IknowQT So, you have X server running and you're using LXDE desktop environment.
                                  You could try with some other desktop environment to see whether it behaves in the same way (XFCE for example).

                                  I Offline
                                  I Offline
                                  IknowQT
                                  wrote on last edited by IknowQT
                                  #19

                                  @jsulm

                                  Are you saying you need to test on a different version of the OS?

                                  jsulmJ 1 Reply Last reply
                                  0
                                  • I IknowQT

                                    @jsulm

                                    Are you saying you need to test on a different version of the OS?

                                    jsulmJ Offline
                                    jsulmJ Offline
                                    jsulm
                                    Lifetime Qt Champion
                                    wrote on last edited by
                                    #20

                                    @IknowQT No. I did not say anything about a different OS version. I only suggested to test with another desktop environment (window manager). On Linux there are many different desktop environments...

                                    https://forum.qt.io/topic/113070/qt-code-of-conduct

                                    I 1 Reply Last reply
                                    0
                                    • jsulmJ jsulm

                                      @IknowQT No. I did not say anything about a different OS version. I only suggested to test with another desktop environment (window manager). On Linux there are many different desktop environments...

                                      I Offline
                                      I Offline
                                      IknowQT
                                      wrote on last edited by
                                      #21

                                      @jsulm

                                      Even after changing the window manager to openbox, the flickering phenomenon appears.

                                      *raspberry board version
                                      pi4 model b
                                      *raspberry os version
                                      buster 5.10.75-v71+

                                      Are there any window managers you can recommend for my development environment?

                                      1 Reply Last reply
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