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Hiding the TabWidget

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  • J.HilkJ J.Hilk

    Here a basic example:

    //header of your class, you need at least a QString and a QWidget pointer as member variables
    
    {
    .....
    private:
        QWidget *removedWidget = Q_NULLPTR;
        QString removedTabString;
    }
    
    //cpp part of your class, this creates a QTabwidget, populates it with 3 tabs, and uses remove and addTab to move the first tab to the end
    
    QTabWidget *tWidget = new QTabWidget(this);
        tWidget->show();
        tWidget->addTab(new QWidget(), "Tab1");
        tWidget->addTab(new QWidget(), "Tab2");
        tWidget->addTab(new QWidget(), "Tab3");
    
    
        //The following lines will take Tab1, remove it/store it and add it back to the tabwidget at the last position
    
    
        //remove Tab and 'save' it in a member variable, its not really saved, but you store a pointer to it
        if(removedWidget == Q_NULLPTR){
            //Pointer is empty tab can be "stored"
    
            //Save Tab text
            removedTabString = tWidget->tabText(0);
    
            //'Save' actual widget
            removedWidget = tWidget->widget(0);
    
            //Remove from QTabWidget
            tWidget->removeTab(0);
        }
    
        //Add Tab to widget
        if( removedWidget != Q_NULLPTR){
            //The pointer actually points to a valid previously removed tab
            tWidget->addTab(removedWidget, removedTabString);
    
            //set pointer back to 0 to free it for potential next operation
            removedWidget = Q_NULLPTR;
        }
    
    A Offline
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    amarism
    wrote on last edited by
    #10

    @J.Hilk This code not hiding the tab, only increase the tab when we click on tab bar

    J.HilkJ 1 Reply Last reply
    0
    • A amarism

      @J.Hilk This code not hiding the tab, only increase the tab when we click on tab bar

      J.HilkJ Offline
      J.HilkJ Offline
      J.Hilk
      Moderators
      wrote on last edited by
      #11

      @amarism did you read the comments of the code example?


      Be aware of the Qt Code of Conduct, when posting : https://forum.qt.io/topic/113070/qt-code-of-conduct


      Q: What's that?
      A: It's blue light.
      Q: What does it do?
      A: It turns blue.

      A 1 Reply Last reply
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      • J.HilkJ J.Hilk

        @amarism did you read the comments of the code example?

        A Offline
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        amarism
        wrote on last edited by
        #12

        @J.Hilk Still am not able to complete my task

        1 Reply Last reply
        0
        • mrjjM Offline
          mrjjM Offline
          mrjj
          Lifetime Qt Champion
          wrote on last edited by
          #13

          Hi
          What is not working ?
          How does your current code look ?

          A 1 Reply Last reply
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          • mrjjM mrjj

            Hi
            What is not working ?
            How does your current code look ?

            A Offline
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            amarism
            wrote on last edited by amarism
            #14

            @mrjj 0_1526884364537_TTTTTT.png

            I want to hide and show tab 1 and tab 2 by clicking on tab1 and tab 2. But when I used ur code they adding the extra tab on another side.

            1 Reply Last reply
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            • mrjjM Offline
              mrjjM Offline
              mrjj
              Lifetime Qt Champion
              wrote on last edited by mrjj
              #15

              Hi
              So you have 2 tabwidgets?
              Since its impossible to click on hidden tab as its not there. so you could never unhide it again with clicking.

              So when user click on tab 1 on tabWidget1, you want tab 1 to be shown on tabwidget 2?

              else i dont get what you are trying as the tab will be COMPLETELY gone if u "hide" it and hence you cannot click on it again
              so some other means of showing it is needed.

              Or did you just use @J-Hilk code as it is and got a second widget as it does
              QTabWidget *tWidget = new QTabWidget(this);
              ??
              If you are using that code with UI then
              QTabWidget *tWidget = ui->yourtabwidget as else you will create a second one.

              A 1 Reply Last reply
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              • mrjjM mrjj

                Hi
                So you have 2 tabwidgets?
                Since its impossible to click on hidden tab as its not there. so you could never unhide it again with clicking.

                So when user click on tab 1 on tabWidget1, you want tab 1 to be shown on tabwidget 2?

                else i dont get what you are trying as the tab will be COMPLETELY gone if u "hide" it and hence you cannot click on it again
                so some other means of showing it is needed.

                Or did you just use @J-Hilk code as it is and got a second widget as it does
                QTabWidget *tWidget = new QTabWidget(this);
                ??
                If you are using that code with UI then
                QTabWidget *tWidget = ui->yourtabwidget as else you will create a second one.

                A Offline
                A Offline
                amarism
                wrote on last edited by amarism
                #16

                @mrjj hide means the content of the tab hides not tab1 & tab2 hide just like a visual studio. ie I will be uploaded in the previously. Just see the example

                mrjjM 1 Reply Last reply
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                • A amarism

                  @mrjj hide means the content of the tab hides not tab1 & tab2 hide just like a visual studio. ie I will be uploaded in the previously. Just see the example

                  mrjjM Offline
                  mrjjM Offline
                  mrjj
                  Lifetime Qt Champion
                  wrote on last edited by mrjj
                  #17

                  @amarism
                  so you want to hide what INSIDE the tab and not the actual tab?

                  I dont know how Visual studio tabs works.
                  But in Qt the tab is the whole white area and it will always show regardless of what you put inside.

                  But if you just want to hide the content of the tab, why you ask how to remove / insert tabs.
                  It sounds like u just want to hide ListWidget or what you have inside and not the "Tab 1"

                  A 1 Reply Last reply
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                  • mrjjM mrjj

                    @amarism
                    so you want to hide what INSIDE the tab and not the actual tab?

                    I dont know how Visual studio tabs works.
                    But in Qt the tab is the whole white area and it will always show regardless of what you put inside.

                    But if you just want to hide the content of the tab, why you ask how to remove / insert tabs.
                    It sounds like u just want to hide ListWidget or what you have inside and not the "Tab 1"

                    A Offline
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                    amarism
                    wrote on last edited by
                    #18

                    @mrjj Now how to resolve this problem.

                    mrjjM 1 Reply Last reply
                    0
                    • A amarism

                      @mrjj Now how to resolve this problem.

                      mrjjM Offline
                      mrjjM Offline
                      mrjj
                      Lifetime Qt Champion
                      wrote on last edited by
                      #19

                      @amarism

                      Im still not sure what you are trying but if just to hide/show say ListWidget
                      you can simply use
                      ui->listwidget->show();
                      and
                      ui->listwidget->hide();

                      A 1 Reply Last reply
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                      • mrjjM mrjj

                        @amarism

                        Im still not sure what you are trying but if just to hide/show say ListWidget
                        you can simply use
                        ui->listwidget->show();
                        and
                        ui->listwidget->hide();

                        A Offline
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                        amarism
                        wrote on last edited by amarism
                        #20

                        @mrjj I will try this one but when Clicking the Tab then inside the also hide and next we can't show hiding tab

                        mrjjM 1 Reply Last reply
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                        • A amarism

                          @mrjj I will try this one but when Clicking the Tab then inside the also hide and next we can't show hiding tab

                          mrjjM Offline
                          mrjjM Offline
                          mrjj
                          Lifetime Qt Champion
                          wrote on last edited by
                          #21

                          @amarism said in Hiding the TabWidget:

                          when hiding the Tab widget next we can't show hiding tab

                          Im not sure what that means. If you hide tabWidget, all tabs will be hidden.

                          A 1 Reply Last reply
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                          • mrjjM mrjj

                            @amarism said in Hiding the TabWidget:

                            when hiding the Tab widget next we can't show hiding tab

                            Im not sure what that means. If you hide tabWidget, all tabs will be hidden.

                            A Offline
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                            amarism
                            wrote on last edited by amarism
                            #22

                            @mrjj I have 2 tab widget tab (tab1 and tab2), Initially, I want to show only the tab just like minimize format (closed inside the black box)0_1526970076231_twcolor.png
                            and when i will click on the Tab 1 it will show the whole content of the tab (maximize the tab content). just like below image0_1526970223564_TWcolor2.png
                            and again we click the same tab it will again minimize it(toggle).

                            1 Reply Last reply
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                            • mrjjM Offline
                              mrjjM Offline
                              mrjj
                              Lifetime Qt Champion
                              wrote on last edited by
                              #23

                              Hi
                              Ah. i see.
                              The issues that the tabs lives inside the tabwidget.
                              so if you reduce the size of the tabwidget to appear "collapsed" then all must be collapsed
                              at same time. if thats ok, you can alter the width of the widget.

                              Alternatively, you could use
                              http://doc.qt.io/qt-5/qtabbar.html#details
                              which might work better for your use case.

                              A 1 Reply Last reply
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                              • mrjjM mrjj

                                Hi
                                Ah. i see.
                                The issues that the tabs lives inside the tabwidget.
                                so if you reduce the size of the tabwidget to appear "collapsed" then all must be collapsed
                                at same time. if thats ok, you can alter the width of the widget.

                                Alternatively, you could use
                                http://doc.qt.io/qt-5/qtabbar.html#details
                                which might work better for your use case.

                                A Offline
                                A Offline
                                amarism
                                wrote on last edited by
                                #24

                                @mrjj Actually sir I am new in QT. So, I am not able to write code properly. If you have a similar type of code please share with me

                                1 Reply Last reply
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