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Forum Update on Monday, May 27th 2025

QtCreator and multiple monitors

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  • A Offline
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    alexander
    wrote on last edited by
    #1

    It would be useful to add multiple monitors support in to the QtCreator. For example, user can open some of *.cpp and *.h files on the second monitor.

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    • J Offline
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      jorj
      wrote on last edited by
      #2

      Cant you just open another instance of QtCreator if you were working on different files anyway?

      I know I do this when working on separate but dependant projects.

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      • A Offline
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        alexander
        wrote on last edited by
        #3

        But it's not comfortable. It would be better to have one IDE on the separate monitors.

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        • U Offline
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          utkuaydin
          wrote on last edited by
          #4

          Documentation in one screen, and the code or the designer in the other screen... It would be awesome.

          The only way for errors to occur in a program is by being put there by the author. ~ Harlan Mills

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          • D Offline
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            DenisKormalev
            wrote on last edited by
            #5

            jorjpimm, yeah opening two instances can help, but not when you are working on one project with these two files. From my point it will be great to be able to open different views (doc and code, debug and console and so on) at different monitors or moving debug pane to another monitor.

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            • E Offline
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              esdrasbeleza
              wrote on last edited by
              #6

              I also use two monitors. The bigger screen I use for Qt Creator and in the other screen I open the documentation in some browser.

              But I agree: it would be good to have Qt Creator windows in two (or more!) screens.

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              • J Offline
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                jorj
                wrote on last edited by
                #7

                Yes, it would be useful, especially when trying to split the debugging view from the code, a lot like in Visual Studio where you can drag all the palettes around as you like.

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                • A Offline
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                  alexbravo
                  wrote on last edited by
                  #8

                  Eclipse also does a very good job when working with multiple monitors. I would be grat to have it in Qt Creator too.

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                  • T Offline
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                    troubalex
                    wrote on last edited by
                    #9

                    It seems there is some agreement that it would be nice to have. Can someone file a wishlist bug in JIRA? That would be neat! :)

                    THE CAKE IS A LIE
                    Web Community Manager - Qt Development Frameworks

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                      ucomesdag
                      wrote on last edited by
                      #10

                      Does that mean I have to buy a second monitor? :D Actually that would be a good excuse to buy a second one!

                      Write “Qt”, not “QT” (QuickTime).

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                        tobias.hunger
                        wrote on last edited by
                        #11

                        Alexandra: We do have wishlist bugs for multi monitor support. E.g. "QTCREATORBUG-45":http://bugreports.qt.nokia.com/browse/QTCREATORBUG-45

                        Unfortunately we have not yet come up with a good way to do it. Suggestions are always welcome! Of course demos and merge requests are even more welcome:-)

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                          andre
                          wrote on last edited by
                          #12

                          [quote author="Utku" date="1274805272"]Documentation in one screen, and the code or the designer in the other screen... It would be awesome.[/quote]

                          I do that all the time, by simply having one instance of QtCreator and one instance of QtAssistant open; each one on their own screen. Works nicely for me!

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                            troubalex
                            wrote on last edited by
                            #13

                            [quote author="Tobias Hunger" date="1277302790"]Alexandra: We do have wishlist bugs for multi monitor support. E.g. "QTCREATORBUG-45":http://bugreports.qt.nokia.com/browse/QTCREATORBUG-45

                            Unfortunately we have not yet come up with a good way to do it. Suggestions are always welcome! Of course demos and merge requests are even more welcome:-)[/quote]

                            Cool. At least it will not just be forgotten. :)

                            THE CAKE IS A LIE
                            Web Community Manager - Qt Development Frameworks

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                              alexander
                              wrote on last edited by
                              #14

                              bq. I do that all the time, by simply having one instance of QtCreator and one instance of QtAssistant open; each one on their own screen. Works nicely for me!

                              I also do that. But, it will be useful to have possibility to show context help (F1) from cpp file in the Creatosr to the Assistant on second screen or detach cpp file and move it to the second screen. It's useful to have one *.h file on the first screen and *.cpp file on the second screen.

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                                troubalex
                                wrote on last edited by
                                #15

                                I don't know if everybody is aware of this: since it is already filed as a wishlist bug in our bugtracker you can vote for it! It's of course not a guarantee for a coming implementation but it increases the chances if there are many people voting for a bug.

                                THE CAKE IS A LIE
                                Web Community Manager - Qt Development Frameworks

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                                  ziller
                                  wrote on last edited by
                                  #16

                                  Because I read someone mentioning debugging windows, that is actually one of the few things that should work wrt multiple monitors:
                                  In Debug Mode uncheck Window->Views->Locked, you can then drag the debugger views around, and also float them. When you've decided about your favorite layout, just re-check Locked to get rid of the visual clutter again (floating states etc will be preserved).

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                                  • D Offline
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                                    DenisKormalev
                                    wrote on last edited by
                                    #17

                                    Eike, yeah you're right. But it will be awesome to have complete debug panel detaching (with start/stop/step buttons).

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                                      1blah111111
                                      wrote on last edited by
                                      #18

                                      You could always have the separate panels render as separate windows, and separate processes, using a hub process for communication between them.

                                      now if i could get Gnome to like dragging windows to a separate X desktop..... it lets me move the mouse just fine, but it hates dragging windows... I can't just set it up as a dual view, because my graphics card doesn't like me, dual CRT's it really doesn't like, it says it's too much work :D. It's already forced me to make wine emulate a virtual desktop, just to be able to see everything. At this point I wish it Couldn't render monitors at 320 by 175 pixels, as that's what it keeps wanting to do....

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                                        Felix
                                        wrote on last edited by
                                        #19

                                        what I noticed for multiple monitors is, that if you close creator in maximized mode, and start it again after, it is maximized on your primary screen, not on the screen where you closed it. Im working on Windows7 64bit. Is it a bug or are there any reasons for that?

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                                          1blah111111
                                          wrote on last edited by
                                          #20

                                          wait, why aren't you using it on your main monitor and using the secondary one for reference? I have a dual monitor setup so i do at least know what your talking about, although i am using Ubuntu linux, and have the second monitor configured as a seperate X session, so the windows don't really drag, but oh well (i can't get my 512mb nvidia graphics card to like linux, and i don't want to buy windows, so i'm working with it as i am able, hopefully i can manage to get it to support a decent resolution on both monitors (their both CRT monitors at 1024 by 768 pixels, i would prefer they be at 1280 by 1024, but the graphics card doesn't seem to like that idea)

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