Improve appearance of GTK apps in Plasma5 installed on top Ubuntu Gnome












1















I've installed Ubuntu 18.04 then with tasksel, kubuntu-desktop full along with sddm.



Now most of the application in KDE look like this:



enter image description here



Plasma look on top and gnome border/colors below. How can I fix this?










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    I've installed Ubuntu 18.04 then with tasksel, kubuntu-desktop full along with sddm.



    Now most of the application in KDE look like this:



    enter image description here



    Plasma look on top and gnome border/colors below. How can I fix this?










    share|improve this question









    New contributor




    AdrianPop is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.























      1












      1








      1


      1






      I've installed Ubuntu 18.04 then with tasksel, kubuntu-desktop full along with sddm.



      Now most of the application in KDE look like this:



      enter image description here



      Plasma look on top and gnome border/colors below. How can I fix this?










      share|improve this question









      New contributor




      AdrianPop is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      I've installed Ubuntu 18.04 then with tasksel, kubuntu-desktop full along with sddm.



      Now most of the application in KDE look like this:



      enter image description here



      Plasma look on top and gnome border/colors below. How can I fix this?







      gnome kubuntu kde






      share|improve this question









      New contributor




      AdrianPop is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question









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      share|improve this question








      edited 2 days ago









      cipricus

      10.1k47172342




      10.1k47172342






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      asked Jan 9 at 15:08









      AdrianPopAdrianPop

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          The case is with the look of certain applications that have a GTK GUI within the KDE/Plasma desktop which is a Qt desktop. You surely have a lot of GTK applications because you also have the Gnome desktop and Ubuntu Gnome is your first system, Gnome being a GTK desktop.



          Main GTK desktops are: Gnome, Cinnamon, Mate, Xfce, Pantheon (elementary), Budgie. Qt desktops are fewer: most popular are KDE/Plasma and LXQt (of Lubuntu 18.10).



          Main GTK applications (that are hard to avoid even in a Qt desktop) are: Firefox, Chrome, Audacious, Rhythmbox, Synaptic, Skype etc. Main Qt applications (that are popular on all desktops) are: VLC, SMPlayer, Audacity, Qmmp, K3b etc.



          The look of GTK applications within the KDE desktop can be greatly improved though, even if a lot of them will keep their "Gnome" (GTK) look, by installing GTK themes that fit the KDE look. There is a Breeze GTK theme for example.



          sudo apt install breeze-gtk-theme 


          Plasma 5 has an appearance setting for GTK/Gnome applications:



          Go to System Settings > Application style > Gnome Application Style and there set your GTK2 and GTK3 themes (select Breeze etc).



          Note that GTK apps that need administrator rights usually do not follow those settings (which seems to be the case with the gdebi application in your image).





          If you prefer KDE/Plasma to Gnome you should install Kubuntu from scratch if possible and thus avoid a lot of problems. Both Gnome and Plasma5 are heavy desktops that come with a lot of dependencies and possible compatibility problems.






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            The case is with the look of certain applications that have a GTK GUI within the KDE/Plasma desktop which is a Qt desktop. You surely have a lot of GTK applications because you also have the Gnome desktop and Ubuntu Gnome is your first system, Gnome being a GTK desktop.



            Main GTK desktops are: Gnome, Cinnamon, Mate, Xfce, Pantheon (elementary), Budgie. Qt desktops are fewer: most popular are KDE/Plasma and LXQt (of Lubuntu 18.10).



            Main GTK applications (that are hard to avoid even in a Qt desktop) are: Firefox, Chrome, Audacious, Rhythmbox, Synaptic, Skype etc. Main Qt applications (that are popular on all desktops) are: VLC, SMPlayer, Audacity, Qmmp, K3b etc.



            The look of GTK applications within the KDE desktop can be greatly improved though, even if a lot of them will keep their "Gnome" (GTK) look, by installing GTK themes that fit the KDE look. There is a Breeze GTK theme for example.



            sudo apt install breeze-gtk-theme 


            Plasma 5 has an appearance setting for GTK/Gnome applications:



            Go to System Settings > Application style > Gnome Application Style and there set your GTK2 and GTK3 themes (select Breeze etc).



            Note that GTK apps that need administrator rights usually do not follow those settings (which seems to be the case with the gdebi application in your image).





            If you prefer KDE/Plasma to Gnome you should install Kubuntu from scratch if possible and thus avoid a lot of problems. Both Gnome and Plasma5 are heavy desktops that come with a lot of dependencies and possible compatibility problems.






            share|improve this answer




























              0














              The case is with the look of certain applications that have a GTK GUI within the KDE/Plasma desktop which is a Qt desktop. You surely have a lot of GTK applications because you also have the Gnome desktop and Ubuntu Gnome is your first system, Gnome being a GTK desktop.



              Main GTK desktops are: Gnome, Cinnamon, Mate, Xfce, Pantheon (elementary), Budgie. Qt desktops are fewer: most popular are KDE/Plasma and LXQt (of Lubuntu 18.10).



              Main GTK applications (that are hard to avoid even in a Qt desktop) are: Firefox, Chrome, Audacious, Rhythmbox, Synaptic, Skype etc. Main Qt applications (that are popular on all desktops) are: VLC, SMPlayer, Audacity, Qmmp, K3b etc.



              The look of GTK applications within the KDE desktop can be greatly improved though, even if a lot of them will keep their "Gnome" (GTK) look, by installing GTK themes that fit the KDE look. There is a Breeze GTK theme for example.



              sudo apt install breeze-gtk-theme 


              Plasma 5 has an appearance setting for GTK/Gnome applications:



              Go to System Settings > Application style > Gnome Application Style and there set your GTK2 and GTK3 themes (select Breeze etc).



              Note that GTK apps that need administrator rights usually do not follow those settings (which seems to be the case with the gdebi application in your image).





              If you prefer KDE/Plasma to Gnome you should install Kubuntu from scratch if possible and thus avoid a lot of problems. Both Gnome and Plasma5 are heavy desktops that come with a lot of dependencies and possible compatibility problems.






              share|improve this answer


























                0












                0








                0







                The case is with the look of certain applications that have a GTK GUI within the KDE/Plasma desktop which is a Qt desktop. You surely have a lot of GTK applications because you also have the Gnome desktop and Ubuntu Gnome is your first system, Gnome being a GTK desktop.



                Main GTK desktops are: Gnome, Cinnamon, Mate, Xfce, Pantheon (elementary), Budgie. Qt desktops are fewer: most popular are KDE/Plasma and LXQt (of Lubuntu 18.10).



                Main GTK applications (that are hard to avoid even in a Qt desktop) are: Firefox, Chrome, Audacious, Rhythmbox, Synaptic, Skype etc. Main Qt applications (that are popular on all desktops) are: VLC, SMPlayer, Audacity, Qmmp, K3b etc.



                The look of GTK applications within the KDE desktop can be greatly improved though, even if a lot of them will keep their "Gnome" (GTK) look, by installing GTK themes that fit the KDE look. There is a Breeze GTK theme for example.



                sudo apt install breeze-gtk-theme 


                Plasma 5 has an appearance setting for GTK/Gnome applications:



                Go to System Settings > Application style > Gnome Application Style and there set your GTK2 and GTK3 themes (select Breeze etc).



                Note that GTK apps that need administrator rights usually do not follow those settings (which seems to be the case with the gdebi application in your image).





                If you prefer KDE/Plasma to Gnome you should install Kubuntu from scratch if possible and thus avoid a lot of problems. Both Gnome and Plasma5 are heavy desktops that come with a lot of dependencies and possible compatibility problems.






                share|improve this answer













                The case is with the look of certain applications that have a GTK GUI within the KDE/Plasma desktop which is a Qt desktop. You surely have a lot of GTK applications because you also have the Gnome desktop and Ubuntu Gnome is your first system, Gnome being a GTK desktop.



                Main GTK desktops are: Gnome, Cinnamon, Mate, Xfce, Pantheon (elementary), Budgie. Qt desktops are fewer: most popular are KDE/Plasma and LXQt (of Lubuntu 18.10).



                Main GTK applications (that are hard to avoid even in a Qt desktop) are: Firefox, Chrome, Audacious, Rhythmbox, Synaptic, Skype etc. Main Qt applications (that are popular on all desktops) are: VLC, SMPlayer, Audacity, Qmmp, K3b etc.



                The look of GTK applications within the KDE desktop can be greatly improved though, even if a lot of them will keep their "Gnome" (GTK) look, by installing GTK themes that fit the KDE look. There is a Breeze GTK theme for example.



                sudo apt install breeze-gtk-theme 


                Plasma 5 has an appearance setting for GTK/Gnome applications:



                Go to System Settings > Application style > Gnome Application Style and there set your GTK2 and GTK3 themes (select Breeze etc).



                Note that GTK apps that need administrator rights usually do not follow those settings (which seems to be the case with the gdebi application in your image).





                If you prefer KDE/Plasma to Gnome you should install Kubuntu from scratch if possible and thus avoid a lot of problems. Both Gnome and Plasma5 are heavy desktops that come with a lot of dependencies and possible compatibility problems.







                share|improve this answer












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                answered 2 days ago









                cipricuscipricus

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