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How Can I make Clickable Label in My Project

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  • S SGaist
    16 Feb 2020, 12:57

    Hi,

    It has absolutely nothing to do with your labels. Wherever you'll click on the MainWindow it will show that message.

    If you only what to act on a specific QLabel either make that one use the custom class suggested by @mrjj or use an event filter to act only on that QLabel.

    K Offline
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    Ketan__Patel__0011
    wrote on 16 Feb 2020, 13:05 last edited by
    #7

    @SGaist no i will just click on label then message is raised

    or any other location i clicked that time message will not raised

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    • C Online
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      Christian Ehrlicher
      Lifetime Qt Champion
      wrote on 16 Feb 2020, 14:54 last edited by
      #8

      @Ketan__Patel__0011 said in How Can I make Clickable Label in My Project:

      no i will just click on label then message is raised

      I would dobut that since you connect the qlabel to a slot which is called on every mouse click as explained in the documentation. Use another slot name.

      Qt Online Installer direct download: https://download.qt.io/official_releases/online_installers/
      Visit the Qt Academy at https://academy.qt.io/catalog

      K 1 Reply Last reply 16 Feb 2020, 15:07
      3
      • C Christian Ehrlicher
        16 Feb 2020, 14:54

        @Ketan__Patel__0011 said in How Can I make Clickable Label in My Project:

        no i will just click on label then message is raised

        I would dobut that since you connect the qlabel to a slot which is called on every mouse click as explained in the documentation. Use another slot name.

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        Ketan__Patel__0011
        wrote on 16 Feb 2020, 15:07 last edited by
        #9

        @Christian-Ehrlicher
        sir

        Can you make One Example For Me ?

        plzzz

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        • C Online
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          Christian Ehrlicher
          Lifetime Qt Champion
          wrote on 16 Feb 2020, 15:34 last edited by
          #10

          @Ketan__Patel__0011 said in How Can I make Clickable Label in My Project:

          Can you make One Example For Me ?

          Of what? creating a member function with a different name than 'mousePressEvent()'? What's the problem?

          Qt Online Installer direct download: https://download.qt.io/official_releases/online_installers/
          Visit the Qt Academy at https://academy.qt.io/catalog

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          • M Offline
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            mrjj
            Lifetime Qt Champion
            wrote on 16 Feb 2020, 15:55 last edited by mrjj
            #11

            Hi
            Several things are wrong
            If you are using a plain QLabel, it wont have a clicked signal.
            Only using the class in the link it will have it. a plain QLabel cannot be clicked.

            So lets say you ARE using the new class then this can work.

            connect(ui->label,SIGNAL(clicked()),this,SLOT(LabelClicked()));
            
            void MainWindow::LabelClicked()
            {
            QMessageBox::information(this,"Message","WELCOME");
            }
            

            The reason it shows the message anywhere you click currently is due to the fact you added
            void MainWindow::mousePressEvent(QMouseEvent *event)
            for the MAINWINOW do it will trigger anywhere you click on it.
            So its only useful if you where to click anywhere on the whole Mainwindow and not
            on any labels.

            K 1 Reply Last reply 17 Feb 2020, 05:49
            3
            • M mrjj
              16 Feb 2020, 15:55

              Hi
              Several things are wrong
              If you are using a plain QLabel, it wont have a clicked signal.
              Only using the class in the link it will have it. a plain QLabel cannot be clicked.

              So lets say you ARE using the new class then this can work.

              connect(ui->label,SIGNAL(clicked()),this,SLOT(LabelClicked()));
              
              void MainWindow::LabelClicked()
              {
              QMessageBox::information(this,"Message","WELCOME");
              }
              

              The reason it shows the message anywhere you click currently is due to the fact you added
              void MainWindow::mousePressEvent(QMouseEvent *event)
              for the MAINWINOW do it will trigger anywhere you click on it.
              So its only useful if you where to click anywhere on the whole Mainwindow and not
              on any labels.

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              Ketan__Patel__0011
              wrote on 17 Feb 2020, 05:49 last edited by
              #12

              @mrjj i was write same code in my program but its not worked

              M 1 Reply Last reply 17 Feb 2020, 08:11
              0
              • K Ketan__Patel__0011
                17 Feb 2020, 05:49

                @mrjj i was write same code in my program but its not worked

                M Offline
                M Offline
                mrjj
                Lifetime Qt Champion
                wrote on 17 Feb 2020, 08:11 last edited by
                #13

                @Ketan__Patel__0011

                Well did you use the ClickableLabel or not ?

                K 1 Reply Last reply 17 Feb 2020, 08:26
                0
                • M mrjj
                  17 Feb 2020, 08:11

                  @Ketan__Patel__0011

                  Well did you use the ClickableLabel or not ?

                  K Offline
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                  Ketan__Patel__0011
                  wrote on 17 Feb 2020, 08:26 last edited by
                  #14

                  @mrjj please Can you share me a Full code of project ?
                  like Header file as well as source file code

                  M A 2 Replies Last reply 17 Feb 2020, 08:36
                  0
                  • K Ketan__Patel__0011
                    17 Feb 2020, 08:26

                    @mrjj please Can you share me a Full code of project ?
                    like Header file as well as source file code

                    M Offline
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                    mrjj
                    Lifetime Qt Champion
                    wrote on 17 Feb 2020, 08:36 last edited by
                    #15

                    @Ketan__Patel__0011

                    Hi
                    there is no full project.
                    the wiki page shows what to put in the .cpp and .h.

                    However, if its also due to you not understanding how to use it.
                    I can make you a test project this evening if that helps?

                    K 1 Reply Last reply 17 Feb 2020, 13:56
                    0
                    • K Ketan__Patel__0011
                      17 Feb 2020, 08:26

                      @mrjj please Can you share me a Full code of project ?
                      like Header file as well as source file code

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                      anil_arise
                      wrote on 17 Feb 2020, 10:41 last edited by
                      #16

                      @Ketan__Patel__0011 Example :
                      Clickable QLabel

                      this link will be active for 2 days;
                      you need to use promote widget after add widget header and class name (**right click options in ui file)

                      Screenshot_2020-02-17_16-01-21.png

                      K 2 Replies Last reply 17 Feb 2020, 14:09
                      2
                      • M mrjj
                        17 Feb 2020, 08:36

                        @Ketan__Patel__0011

                        Hi
                        there is no full project.
                        the wiki page shows what to put in the .cpp and .h.

                        However, if its also due to you not understanding how to use it.
                        I can make you a test project this evening if that helps?

                        K Offline
                        K Offline
                        Ketan__Patel__0011
                        wrote on 17 Feb 2020, 13:56 last edited by
                        #17

                        @mrjj Hello Sir

                        i am try for last 2 days but nothing is happening

                        so plz sir help me

                        How can you share me a test project of clickable_Label ?

                        1 Reply Last reply
                        0
                        • A anil_arise
                          17 Feb 2020, 10:41

                          @Ketan__Patel__0011 Example :
                          Clickable QLabel

                          this link will be active for 2 days;
                          you need to use promote widget after add widget header and class name (**right click options in ui file)

                          Screenshot_2020-02-17_16-01-21.png

                          K Offline
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                          Ketan__Patel__0011
                          wrote on 17 Feb 2020, 14:09 last edited by
                          #18

                          **@anil_arise hey Brother Thank you So much

                          It really Good Way My Problem is solved

                          Again Thank You So Much**

                          1 Reply Last reply
                          0
                          • A anil_arise
                            17 Feb 2020, 10:41

                            @Ketan__Patel__0011 Example :
                            Clickable QLabel

                            this link will be active for 2 days;
                            you need to use promote widget after add widget header and class name (**right click options in ui file)

                            Screenshot_2020-02-17_16-01-21.png

                            K Offline
                            K Offline
                            Ketan__Patel__0011
                            wrote on 2 Mar 2020, 10:34 last edited by
                            #19

                            @anil_arise Can you share this link again plzzzzz

                            1 Reply Last reply
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