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MDI application with multiple Forms

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  • G Offline
    G Offline
    Gerd
    wrote on last edited by
    #2

    look here

    MDI Example

    N 1 Reply Last reply
    3
    • mrjjM Offline
      mrjjM Offline
      mrjj
      Lifetime Qt Champion
      wrote on last edited by
      #3

      Hi
      When you say MDi, we think of mutiple windows type embedded
      in the same app. shown at same time.
      From your description, it sounds more like a wizard type of
      sequence. Fill in X, press next Fill in Y, then press save.
      Which a
      http://doc.qt.io/qt-5/qstackedwidget.html
      is super for.
      Or even
      http://doc.qt.io/qt-5/qwizard.html

      N 1 Reply Last reply
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      • mrjjM mrjj

        Hi
        When you say MDi, we think of mutiple windows type embedded
        in the same app. shown at same time.
        From your description, it sounds more like a wizard type of
        sequence. Fill in X, press next Fill in Y, then press save.
        Which a
        http://doc.qt.io/qt-5/qstackedwidget.html
        is super for.
        Or even
        http://doc.qt.io/qt-5/qwizard.html

        N Offline
        N Offline
        Nishanth
        wrote on last edited by
        #4

        @mrjj I would say so.. I have developed a set of UI forms but they are in SDI format, which are activated by clicking the button clicks on the respective forms, but not menu driven, which is not convenient for going back and forth.

        So I am designing a menu driven app which will contain all the forms within the MDI allowing only a single instance of each window after the login.

        For example, I will start of the application with the login screen and according to the type of users will allow access to certain screens by enabling and disabling of the menu items and then after that I will logout which will take me back to the login screen. which is more user friendly to the end users.

        It is not a wizard as you suggested, i.e. operation on the single screens will start and end there, for the next screen the user will have to go to the menu item and select and invoke the screens. But all will be interacting with the same data source (text/ xml / DB).

        I am having trouble invoking the multiple forms within the MDI.. The example with the Qt creator shows a text editor it is sort of a repeater for the same form. where as I want a select set of forms within the MDI container invoked from the menu.

        Will look into the link you have pointed out, if possible let me know if you find a tutorial or example to the problem I have explained.

        Thank you.

        1 Reply Last reply
        0
        • G Gerd

          look here

          MDI Example

          N Offline
          N Offline
          Nishanth
          wrote on last edited by Nishanth
          #5

          @Gerd I have looked into the example, it is more of a text editor which can be invoked multiple times, My requirement is invoking of predetermined and pre designed UI forms with a selection of text fields for editing and saving information into a data source. I will look into the example again and see if I can get some help with the problem I am working on.
          looks like the terminology used is slightly different to the one used in .net development, hopefully I could clarify.
          Thank you.

          1 Reply Last reply
          0
          • mrjjM Offline
            mrjjM Offline
            mrjj
            Lifetime Qt Champion
            wrote on last edited by mrjj
            #6

            Hi
            It sounds like something stackedwidget would work for.
            These different forms-will they need to be shown at same time inside app, or will it always be just one that is visible? and u can navigate between them inside the app/same area.

            try this fast sample
            it has stacked and 3 forms it switches between.
            https://www.dropbox.com/s/00chu3zefptjkr7/mdiwithstacked.zip?dl=0

            alt text
            alt text

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            • mrjjM mrjj

              Hi
              It sounds like something stackedwidget would work for.
              These different forms-will they need to be shown at same time inside app, or will it always be just one that is visible? and u can navigate between them inside the app/same area.

              try this fast sample
              it has stacked and 3 forms it switches between.
              https://www.dropbox.com/s/00chu3zefptjkr7/mdiwithstacked.zip?dl=0

              alt text
              alt text

              N Offline
              N Offline
              Nishanth
              wrote on last edited by
              #7

              @mrjj Hi, I looked into the code you shared, it is not what I had in mind, I need the application to be menu driven.
              I should be able to choose the UI form based on the user selection in the menubar.
              For example I want to have Appmenu under which I will have the options, Login, form1, form2, form3, Logout, Exit.

              So at the app start the user will be shown the login form and once he logs in he will be able to choose any one of the forms from the menu or all the forms available in the menu.

              I would say the Login, form1, form2, form3 are all mdichild forms which are contained within the MDIParent whenever invoked. I am yet to come across an example which explains the process.

              I am not sure if stacked widgets is going to help me with that.

              The MDI example available with the Qt package doesnt use forms UI as it is a text editor, which has a MDI parent and the text editors being the MDI Childs. wish Qt had an example along the similar lines but with forms.

              Thanks for looking into the issue, if you find a solution please do post.

              jsulmJ mrjjM 2 Replies Last reply
              0
              • N Nishanth

                @mrjj Hi, I looked into the code you shared, it is not what I had in mind, I need the application to be menu driven.
                I should be able to choose the UI form based on the user selection in the menubar.
                For example I want to have Appmenu under which I will have the options, Login, form1, form2, form3, Logout, Exit.

                So at the app start the user will be shown the login form and once he logs in he will be able to choose any one of the forms from the menu or all the forms available in the menu.

                I would say the Login, form1, form2, form3 are all mdichild forms which are contained within the MDIParent whenever invoked. I am yet to come across an example which explains the process.

                I am not sure if stacked widgets is going to help me with that.

                The MDI example available with the Qt package doesnt use forms UI as it is a text editor, which has a MDI parent and the text editors being the MDI Childs. wish Qt had an example along the similar lines but with forms.

                Thanks for looking into the issue, if you find a solution please do post.

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

                @Nishanth said in MDI application with multiple Forms:

                The MDI example available with the Qt package doesnt use forms UI

                Well, it uses QTextWidget (I guess), which is a QWidget at the end. Just put your own widget there instead of the text edit.

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

                N 1 Reply Last reply
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                • jsulmJ jsulm

                  @Nishanth said in MDI application with multiple Forms:

                  The MDI example available with the Qt package doesnt use forms UI

                  Well, it uses QTextWidget (I guess), which is a QWidget at the end. Just put your own widget there instead of the text edit.

                  N Offline
                  N Offline
                  Nishanth
                  wrote on last edited by
                  #9

                  @jsulm I have explained why the MDI example doesn't provide the required solution to my problem in the previous threads. If it was just one widget as you told I would have got it over with, My requirement is multiple controls (widgets) which comprises of multiple text boxes and buttons in a UI form. and I have multiple UI forms.

                  jsulmJ 1 Reply Last reply
                  0
                  • N Nishanth

                    @jsulm I have explained why the MDI example doesn't provide the required solution to my problem in the previous threads. If it was just one widget as you told I would have got it over with, My requirement is multiple controls (widgets) which comprises of multiple text boxes and buttons in a UI form. and I have multiple UI forms.

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

                    @Nishanth I know. The thing is: all these widgets you are talking about are placed on some widget (parent widget), right? So, create a custom widget where you put all these widgets and then put this custom widget (parent widget) where you need it...

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

                    N 1 Reply Last reply
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                    • jsulmJ jsulm

                      @Nishanth I know. The thing is: all these widgets you are talking about are placed on some widget (parent widget), right? So, create a custom widget where you put all these widgets and then put this custom widget (parent widget) where you need it...

                      N Offline
                      N Offline
                      Nishanth
                      wrote on last edited by Nishanth
                      #11

                      @jsulm I have placed a MDIarea into the main window and have tried to load the forms created inside the main window, but it was not working. Maybe I am missing something here.
                      Maybe I am not used to the terminology used here, so in Qt, UI forms are widgets, controls (textboxes, labels, etc..) are widgets?
                      I will look around for the solution, hopefully should be able to figure it out.
                      Thanks.

                      jsulmJ 1 Reply Last reply
                      0
                      • N Nishanth

                        @jsulm I have placed a MDIarea into the main window and have tried to load the forms created inside the main window, but it was not working. Maybe I am missing something here.
                        Maybe I am not used to the terminology used here, so in Qt, UI forms are widgets, controls (textboxes, labels, etc..) are widgets?
                        I will look around for the solution, hopefully should be able to figure it out.
                        Thanks.

                        jsulmJ Offline
                        jsulmJ Offline
                        jsulm
                        Lifetime Qt Champion
                        wrote on last edited by
                        #12

                        @Nishanth Did you check the documentation and MDI example?

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

                        1 Reply Last reply
                        2
                        • N Nishanth

                          @mrjj Hi, I looked into the code you shared, it is not what I had in mind, I need the application to be menu driven.
                          I should be able to choose the UI form based on the user selection in the menubar.
                          For example I want to have Appmenu under which I will have the options, Login, form1, form2, form3, Logout, Exit.

                          So at the app start the user will be shown the login form and once he logs in he will be able to choose any one of the forms from the menu or all the forms available in the menu.

                          I would say the Login, form1, form2, form3 are all mdichild forms which are contained within the MDIParent whenever invoked. I am yet to come across an example which explains the process.

                          I am not sure if stacked widgets is going to help me with that.

                          The MDI example available with the Qt package doesnt use forms UI as it is a text editor, which has a MDI parent and the text editors being the MDI Childs. wish Qt had an example along the similar lines but with forms.

                          Thanks for looking into the issue, if you find a solution please do post.

                          mrjjM Offline
                          mrjjM Offline
                          mrjj
                          Lifetime Qt Champion
                          wrote on last edited by mrjj
                          #13

                          @Nishanth
                          Well you could switch pages in stack widget with menus.

                          However, it sounds like you a really hooked on MDI.
                          Note, though. they draw win 7 style on win 8/9.

                          MDI can hold any widget, including forms.
                          The process is the same as inserting any other widget.

                          N 1 Reply Last reply
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                          • mrjjM mrjj

                            @Nishanth
                            Well you could switch pages in stack widget with menus.

                            However, it sounds like you a really hooked on MDI.
                            Note, though. they draw win 7 style on win 8/9.

                            MDI can hold any widget, including forms.
                            The process is the same as inserting any other widget.

                            N Offline
                            N Offline
                            Nishanth
                            wrote on last edited by
                            #14

                            @mrjj I am looking at MDI as it has a familiar feel to a lot of desktop applications I use, and meets the requirement. I just have to find a good tutorial or an example for what I am looking for in QT. I guess I am having beginners trouble with Qt. Couple of examples that with the documentations are implemented in a different way which I feel will not work for me. going through them I might just land on some thing that helps me.
                            Thanks.

                            mrjjM 1 Reply Last reply
                            0
                            • N Nishanth

                              @mrjj I am looking at MDI as it has a familiar feel to a lot of desktop applications I use, and meets the requirement. I just have to find a good tutorial or an example for what I am looking for in QT. I guess I am having beginners trouble with Qt. Couple of examples that with the documentations are implemented in a different way which I feel will not work for me. going through them I might just land on some thing that helps me.
                              Thanks.

                              mrjjM Offline
                              mrjjM Offline
                              mrjj
                              Lifetime Qt Champion
                              wrote on last edited by
                              #15

                              @Nishanth
                              Hi
                              Can you perhaps show an image of such a desktop program you use?
                              Might help us pinpoint exactly what you are after.
                              Most app i use is not MDI in the old sense where is document is
                              a floating window inside the app. but more like stacked widget where I switch views.

                              Also check out
                              http://doc.qt.io/qt-5/qdockwidget.html

                              1 Reply Last reply
                              1
                              • N Offline
                                N Offline
                                Nishanth
                                wrote on last edited by Nishanth
                                #16

                                Qt Creator for one is a MDI application.. I think there are a lot of apps which are an MDI and I have seen desktop application like the one I am trying to develop in Qt developed in c#, vb.net for windows platforms as well.

                                I have explained the requirement I am working on couple of times I really cannot be any more elaborate than I have been. Anyways thanks for your time. I am sure I will get to the solution.

                                If I get a working solution I will maybe post a sample code later on. Till then the search is on.

                                mrjjM 1 Reply Last reply
                                0
                                • N Nishanth

                                  Qt Creator for one is a MDI application.. I think there are a lot of apps which are an MDI and I have seen desktop application like the one I am trying to develop in Qt developed in c#, vb.net for windows platforms as well.

                                  I have explained the requirement I am working on couple of times I really cannot be any more elaborate than I have been. Anyways thanks for your time. I am sure I will get to the solution.

                                  If I get a working solution I will maybe post a sample code later on. Till then the search is on.

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

                                  @Nishanth
                                  Yep, its a multi view application but not a MDI app in the traditional sense.
                                  You can split a Editor view and see 2 or more at same time but the views do not have
                                  captions and decorations.
                                  For such design, QSplitter can be used to divide the client area into view.
                                  You can also use QDockWidgets which also can support multiple views
                                  and/or support floating windows.
                                  http://doc.qt.io/qt-5/qtwidgets-mainwindows-dockwidgets-example.html

                                  N 1 Reply Last reply
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                                  • mrjjM mrjj

                                    @Nishanth
                                    Yep, its a multi view application but not a MDI app in the traditional sense.
                                    You can split a Editor view and see 2 or more at same time but the views do not have
                                    captions and decorations.
                                    For such design, QSplitter can be used to divide the client area into view.
                                    You can also use QDockWidgets which also can support multiple views
                                    and/or support floating windows.
                                    http://doc.qt.io/qt-5/qtwidgets-mainwindows-dockwidgets-example.html

                                    N Offline
                                    N Offline
                                    Nishanth
                                    wrote on last edited by
                                    #18

                                    @mrjj I am looking at developing a MDI application in as you put it “traditional sense” which is probably very simple when compared to how other mdi application are from the requirement I have posted. Whatever suggestions you have suggested are pretty neat but it doesn’t really help me with my requirement.
                                    Thank you for taking the time to post.

                                    mrjjM 1 Reply Last reply
                                    0
                                    • N Nishanth

                                      @mrjj I am looking at developing a MDI application in as you put it “traditional sense” which is probably very simple when compared to how other mdi application are from the requirement I have posted. Whatever suggestions you have suggested are pretty neat but it doesn’t really help me with my requirement.
                                      Thank you for taking the time to post.

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

                                      @Nishanth
                                      Ok, then MDI area is best fit. Its 100% traditional :)
                                      alt text

                                      You can use any form/widget for the inner content.
                                      just use
                                      QMdiSubWindow *addSubWindow(QWidget *widget, Qt::WindowFlags flags = Qt::WindowFlags());
                                      to create new window where widget is your form object.

                                      1 Reply Last reply
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