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Moving QTreeWidgetItems between two QTreeWidgets

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  • Maaz MominM Offline
    Maaz MominM Offline
    Maaz Momin
    wrote on last edited by
    #16

    @Ovidiu_GCO Can you show the code you have written after changes mentioned.

    O 1 Reply Last reply
    0
    • Pl45m4P Pl45m4

      @Ovidiu_GCO

      I just tried it... (2 TreeWidgets with only two parent items each)

      I can access the items and get their names and stuff but they don't appear in the second TreeWidget :(
      Even the selection by mouseClick worked and I got the name / indices from each item by pressing the button.
      Maybe we overlook something?! Some steps to copy to a TreeWidget or maybe the items lose required flags when you "export" the items and try to add them to a different TreeWidget?!

      O Offline
      O Offline
      Ovidiu_GCO
      wrote on last edited by
      #17

      @Pl45m4 I know, I tried it too. I was reading a post on stackoverflow but I didn't understand all of it. As far as I understood, QTreeWidget is used for static-view and we should use QTreeView(since Qt 5), but I don't find the documentation very friendly and I am still trying to understand it.

      Maybe we should switch to QTreeView?

      1 Reply Last reply
      0
      • Maaz MominM Maaz Momin

        @Ovidiu_GCO Can you show the code you have written after changes mentioned.

        O Offline
        O Offline
        Ovidiu_GCO
        wrote on last edited by
        #18

        @Maaz-Momin At this moment, my code for the ">>" button is a work in-progress and I kinda messed it up, but now it looks like this:

        QTreeWidgetItemIterator it(ui.driversList);
        
        		while (*it) {
        			if ((*it)->isSelected())
        				ui.participantsList->addTopLevelItem((*it));
        			++it;
        		}
        

        I tried to make it copy any selected item from "Drivers" to "Participants", but there is no change in the view.

        I didn't try to use .takeChild() yet, because I didn't manage to move the parent using code, just by Drag&Drop.

        1 Reply Last reply
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        • SGaistS Offline
          SGaistS Offline
          SGaist
          Lifetime Qt Champion
          wrote on last edited by
          #19

          Hi,

          Out of curiosity, why are you using a tree model ?

          Interested in AI ? www.idiap.ch
          Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

          O 1 Reply Last reply
          0
          • SGaistS SGaist

            Hi,

            Out of curiosity, why are you using a tree model ?

            O Offline
            O Offline
            Ovidiu_GCO
            wrote on last edited by
            #20

            @SGaist Honestly, I don't really know... This is my first project using Qt (or even C++ on a more serious project). I am not familiar with it or any other framework, for that matter.

            It is a school project and I am trying to make it work so I can add it to my portofolio hoping that in the future I will become an intern with Qt and C++(and eventually a Junior Software Engineer).

            So, I use it because it is the first widget that seemed to work for me.
            I need to show some details about the drivers from the database and select a few of them to participate in a race.

            I believe I could use also a QTableView(since there are not a lot of details beside the name) with a checkbox on the last column that would tell if the driver is a participant or not, but I am still trying to make it work with QTreeWidgets.

            I am open to suggestions, if you have an idea that would be appropriate to a newbie like me.

            jsulmJ 1 Reply Last reply
            0
            • O Ovidiu_GCO

              @SGaist Honestly, I don't really know... This is my first project using Qt (or even C++ on a more serious project). I am not familiar with it or any other framework, for that matter.

              It is a school project and I am trying to make it work so I can add it to my portofolio hoping that in the future I will become an intern with Qt and C++(and eventually a Junior Software Engineer).

              So, I use it because it is the first widget that seemed to work for me.
              I need to show some details about the drivers from the database and select a few of them to participate in a race.

              I believe I could use also a QTableView(since there are not a lot of details beside the name) with a checkbox on the last column that would tell if the driver is a participant or not, but I am still trying to make it work with QTreeWidgets.

              I am open to suggestions, if you have an idea that would be appropriate to a newbie like me.

              jsulmJ Offline
              jsulmJ Offline
              jsulm
              Lifetime Qt Champion
              wrote on last edited by
              #21

              @Ovidiu_GCO Do you really need a tree structure? If not you could simply use QListWidget.

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

              O 1 Reply Last reply
              1
              • jsulmJ jsulm

                @Ovidiu_GCO Do you really need a tree structure? If not you could simply use QListWidget.

                O Offline
                O Offline
                Ovidiu_GCO
                wrote on last edited by
                #22

                @jsulm I have to display a driver, his car and some specs for it. I think I will try a QTableView/QTableWidget

                mrjjM 1 Reply Last reply
                0
                • O Ovidiu_GCO

                  @jsulm I have to display a driver, his car and some specs for it. I think I will try a QTableView/QTableWidget

                  mrjjM Offline
                  mrjjM Offline
                  mrjj
                  Lifetime Qt Champion
                  wrote on last edited by
                  #23

                  @Ovidiu_GCO
                  Hi
                  Would a driver have more than one car,
                  or could the the information be presented as one item ?
                  like
                  alt text

                  O 1 Reply Last reply
                  0
                  • mrjjM mrjj

                    @Ovidiu_GCO
                    Hi
                    Would a driver have more than one car,
                    or could the the information be presented as one item ?
                    like
                    alt text

                    O Offline
                    O Offline
                    Ovidiu_GCO
                    wrote on last edited by
                    #24

                    @mrjj There could be more entries of the same driver with different cars, yes.

                    I will try the QTableWidget approach, but I already stepped in other problems with it. (I will make a new post since they are not connected).

                    Thank you all for your time and advices! ;)

                    mrjjM jsulmJ 2 Replies Last reply
                    0
                    • O Ovidiu_GCO

                      @mrjj There could be more entries of the same driver with different cars, yes.

                      I will try the QTableWidget approach, but I already stepped in other problems with it. (I will make a new post since they are not connected).

                      Thank you all for your time and advices! ;)

                      mrjjM Offline
                      mrjjM Offline
                      mrjj
                      Lifetime Qt Champion
                      wrote on last edited by mrjj
                      #25

                      Hi
                      Ok, so it really is a tree/table structure.
                      -Driver
                      --Car
                      stats
                      --Car
                      Stats

                      But i do wonder when you then select a driver, all his cars should
                      also be shown in the other list or just one of the cars ? (used for that race)

                      I liked this info
                      https://wiki.qt.io/How_to_Use_QTableWidget

                      when starting using QTableWidget

                      1 Reply Last reply
                      0
                      • O Ovidiu_GCO

                        @mrjj There could be more entries of the same driver with different cars, yes.

                        I will try the QTableWidget approach, but I already stepped in other problems with it. (I will make a new post since they are not connected).

                        Thank you all for your time and advices! ;)

                        jsulmJ Offline
                        jsulmJ Offline
                        jsulm
                        Lifetime Qt Champion
                        wrote on last edited by
                        #26

                        @Ovidiu_GCO As alternative you could use several list widgets:

                        1. On the left is a list of drivers
                        2. To the right side of the first list you have a second one: when you select a driver you put the cars of that driver into this list
                        3. More lists if needed...

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

                        1 Reply Last reply
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