Questions about the GTK+ graphical user interface toolkit. The Gnome desktop uses GTK+.

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2
votes
2answers
4k views

Installed the Arc Theme, it doesn't look right

I just installed the Arc Theme, however it doesn't look right. As you can see here, mine looks completely different and looks like it's missing textures and other things: Whereas the normal theme ...
0
votes
0answers
46 views

ubuntu 16.04 does not start after installing some packages

I had installed the ubuntu 14.04.4 some months ago and i tried to install the proprietary driver for nvidia and i had problems with black screen, and i could not revert to the previous driver. So, ...
0
votes
1answer
17 views

error large bars and toolbars in eclipse?

this is my eclipse 4.2 GUI, in Numix theme: and in Ambiance theme(default) As title, Tabs and tool bars of my Eclipse too large. so, how do i fix it? please don't tell me change to default theme, ...
4
votes
0answers
119 views

How to integrate Qt software like FocusWriter, Telegram, Toggl Desktop or RStudio?

What is required to integrate Qt applications such as FocusWriter, RStudio, Toggl Desktop or Telegram Desktop into the design of Ubuntu? By default, these applications look as follows on Ubuntu ...
0
votes
1answer
62 views

How to make apps use Unity's scrollbar?

How can I make other apps display the same, slender kind of scrollbar that for example Files (the default file browser for Ubuntu) uses? To be precise I want this scrollbar everywhere, especially in ...
9
votes
3answers
32k views

Gtk-WARNING **: Calling Inhibit failed: GDBus.Error:org

When I try to gedit some files, then I received these from the terminal window. There is already one post about this: Gtk-WARNING : Calling Inhibit failed But it is not solved. How can I solve it ?
1
vote
1answer
236 views

Python NameError: global name 'resolution' is not defined

I'm working on developing a python application for Ubuntu that enables a user to have their desired resolution without requiring graphics drivers. In order to do this I've been using xrandr. However ...
0
votes
0answers
29 views

Nautilus not working since 16.04 install

So after I installed 16.04 Ubuntu update, I tried to open my home folder, but it didn't work. I tried running nautilus in terminal and it thrown this: user@user-desktop:~$ nautilus (nautilus:13623): ...
0
votes
0answers
18 views

gtk theme transparency not working in Gnome 3.18.4

I have installed Ubuntu 16.04 on my PC. It had Unity 7 desktop environment. I had installed ubuntu-gnome-desktop package, then switched to gdm from lightdm. After gnome desktop had installed, I logged ...
0
votes
2answers
46 views

Gnome Software keyboard weirdness

In the new Gnome Software in 16.04, the keyboard is weird - whenever I type in the search bar, keys get pressed twice: I've tried disabling "Key presses repeat when key is held down" in Control ...
0
votes
0answers
31 views

Ubuntu 16.04: GLib-GIO-Message: Using the 'memory' GSettings backend

My operating system is ubuntu 16.04, but when I run a ELF 32 bit version program, after running, the program is hanging all the time as the picture shows. Then I close the window, showing the message ...
0
votes
0answers
9 views

Are there any downsides/risks to using vim-gtk on production server?

I know this seems to be considered blasphemy but I really don't like editing server files with vi. If I install vim-gtk on my production server so I can use gvim and use x11 forwarding in putty to ...
15
votes
2answers
3k views

Putting an arbitrary gtk.Widget into an appindicator.Indicator

Putting any gtk.Widget inside a gtk.Menu works, somewhat, by putting an empty gtk.MenuItem in first. It doesn't seem to be reliable - but it basically works. With an appindicator.Indicator, it doesn't ...
0
votes
0answers
17 views

Can I install the usb-creator-gtk (linuxmint version) in Ubuntu 15.10?

I have been using the default usb-creator-gtk but due to my personal preference, I'd like to install the LinuxMint version of it. I have tried this website where it is listed (unfortunaley I couldnt ...
0
votes
0answers
6 views

Gtk-Sharp Configuration

Here's the problem I have mono-dev installed and now want to install gtk-sharp GUI from source on Ubuntu LTS, on the document page I am advised to install to where "mono" is so development won't ...
7
votes
3answers
4k views

Set a specific theme for root launched applications

I would like the the applications I launch as root to look differently from the application launched as a normal user. This can be done by using a theme that does not come from usr/share/themes but I ...
0
votes
2answers
784 views

GTK+ compiling problem

When I try to compile GTimer 2.00 I get the following error: $ ./configure checking for GTK+ - version >= 2.4.0... no *** Could not run GTK+ test program, checking why... *** The test program ...
1
vote
2answers
1k views

Emerald on Ubuntu 15.10

Is anyone else having issues installing emerald on Ubuntu 15.10? Added a few repositories but having trouble finding the packages? Does anyone have any pointers for this?
14
votes
2answers
4k views

What can be done to make Wine look more integrated into Unity?

Wine looks like an alien that says "Hello, I am definitely not part of your desktop environment". Many wine applications have no icons and wine itself runs on the ugly-looking windows 95 theme. Is ...
2
votes
0answers
69 views

Problem with the widgets of GTK Theme

I've been tweaking GTK Theme called "Yosembiance" to my taste. Basically I want to remove the orange accent color and use #9E9EB3 as the accent color. I've installed TheWidgetFactory and all the ...
16
votes
1answer
15k views

Firefox not affected by gtk theme

How can I make firefox use Adwaita theme like all other apps do? Good: Bad: Preferably also make web pages darker as well.
2
votes
1answer
2k views

gtk-builder-convert Error

I am doing the tutorial in the link http://www.micahcarrick.com/gtk-glade-tutorial-part-1.html When I run the gtk-builder-convert tutorial.glade tutorial.xml I get the following error Traceback ...
28
votes
4answers
18k views

Why is Canonical choosing QT over GTK for Unity's next generation?

So much has been written that I'm kind of confused, but if I'm not mistaken Canonical is building the next generation of Unity for mobile devices with Qt, and in the near future the desktop will also ...
1
vote
0answers
5 views

GTK(MM) Widget Choice for List of Items

I am working on an interface with GTKMM and I have a notebook with buttons that represent certain letters. When I click a button it switches to page two of the notebook which will have a selection of ...
1
vote
1answer
268 views

Gtk-CRTICAL […] errors when starting 'nautilus' or 'evince' from the Terminal

when I am starting evince or nautilus from shell I am receiving those error-messages. Does anyone know how to fix them? I tried to reinstall both programs but the error continues. ...
2
votes
1answer
4k views

Gtk-Message: Failed to load module “unity-gtk-module” Ubuntu 14.04

I installed Ubuntu 14.04 recently on my computer. After I followed this link to install Adobe pdf reader, ever time I use xdg-open to open a pdf file, there are tons of message showing on my screen: ...
0
votes
1answer
148 views

Can't install Project Prey on Ubuntu 14.04

When trying to install Project Prey 1.4.2 on Ubuntu 14.04 I get the following error: (gksu:4076): Gtk-WARNING **: cannot open display: :0.0. Prey unfortunately doesn't have a forum to ask for help so ...
0
votes
0answers
27 views

File Manager Menu Missing Bookmarks, Places, Applications, and Applets

For several years starting with Oneric up until Trusty basic menus are not available via the GUI. Adding bookmarks to the .gtk-bookmarks config file and creating a new home directory for Bookmarks ...
4
votes
2answers
4k views

Gtk warning when opening Gedit in terminal

Previously, I need to clear documents history, so I Googled and found this: http://www.watchingthenet.com/ubuntu-tip-clear-disable-recent-documents.html I did the step, and then when I opened gedit ...
0
votes
0answers
12 views

Cannot remove guestsession after crash/ multiple errors

After using inkscape for design with a second monitor my system crashed and since then I can only log in as a guest . Upon logging in. I get an err msg saying all data would be deleted once I log ...
0
votes
0answers
24 views

gtk and MySQL connection

can I use this code http://www.mono-project.com/docs/database-access/providers/mysql/ in gtk application ? else what I do for connect gtk application with Data Base in monodevelop ?
0
votes
0answers
389 views

Error launching Chromium browser

I am getting the following error while launching Chromium. I am using Ubuntu 14.04. Using PPAPI flash. chromium-browser --ppapi-flash-path=/usr/lib/adobe-flashplugin/libpepflashplayer.so ...
0
votes
0answers
26 views

How to find out if GTK is installed?

I am working on an ubuntu virtual machine. The installation is very basic. How can I verify if GTK and all its support packages are loaded? I only have text terminal access at this time.
0
votes
2answers
47 views

Problem with C# MySQL Connection

Hello everybody i have a MySQL connection problem in C#. This is my problem in the picture. thanks for help me.
2
votes
1answer
97 views

rhythmbox button icon names?

The shuffle and loop/repeat button icons in rhythmbox don't match my gtk icon theme. I would assume that's because my theme is missing files named appropriately in order to theme those icons. Is ...
-1
votes
2answers
99 views

Is it bad to have Qt apps on a GTK evironment? [closed]

I'm using Xubuntu 14.04, it has XFCE environment, GTK3 engine and themes, and all my apps use GTK. But I would like to use a particular program (spyder) that demands Qt. Is it bad to have Qt apps on a ...
0
votes
1answer
42 views

Change lightdm-gtk-greeter background?

I've been Googling like a maniac trying to find an answer, so I've now decided to ask here. How do I go about changing the background of the login screen? (lightdm-gtk-greeter). It currently uses ...
0
votes
0answers
21 views

Kubuntu 15.10 GTK problem

I've installed Kubuntu 15.10 but application with GTK are without borders in buttons and no selection alone in the menu. I've check GTK style and i use oxygen-gtk that should be the best for ...
0
votes
0answers
19 views

Just installed Glade, but the interface is unreadable

I just installed Glade on Ubuntu 14.04, but the fonts on the interface are white, which makes it very difficult to read, and some items seem to be missing as well. Picture of the interface currently ...
0
votes
1answer
41 views

How do i make QtCreator to stop using both gtk+2.x and gtk3

I am trying to build an opencv project in QtCreator on an ARM board ( ODROID-XU4). Its a gui application but when i try to execute the code it throws an error "GTK+ 2.x symbols detected. Using ...
2
votes
0answers
22 views

Questions regarding AppIndicator

I am trying to build a JNI wrapper for using Ubuntu's AppIndicator in a Java application. I have some experience in C/C++, though no experience in GTK and Ubuntu development. I have already done ...
0
votes
0answers
21 views

How to change Chrome selected color in Ambiance theme

Basically I want to change Chrome selected color(when you select text in a page or select text in the adress bar of the browser) from orange to grayish kind of color. I want to change it only for ...
3
votes
1answer
140 views

qt apps stopped inheriting gtk themes

After a fresh installation of Ubuntu Gnome 15.10, qt apps like qpdfview or QuiteRSS suddenly stopped to inherit the global gtk theme, in my case Numix. The same is also true for the default Adwaita ...
0
votes
0answers
29 views

Ubuntu 14.04 with Gnome 3.9.90 theme issue

I just installed gnome on my ubuntu machine and have one issue regarding themeing for some reason the title bar is not getting changed with the theme, a good example is here http://imgur.com/zLBcH4U. ...
2
votes
1answer
2k views

Font rendering problems with QT applications in Xubuntu

I'm currently using Xubuntu 14.04 but the same problem is present in 13.10 and 13.04, and maybe in previous versions. I always install truetype fonts and remove the anti-alias. In all the GTK ...
1
vote
2answers
674 views

Permission denied when attempting to open ttyS# in GtkTerm

I'm trying to open a serial port in GtkTerm (downloaded from Ubuntu Software Center), however I'm getting "Cannot open /dev/ttyS0: Permission denied" error. Ubuntu Version: 14.04
13
votes
4answers
1k views

After 15.04 update: Aliased/choppy icons

Just updated to 15.04, and my icons are all aliased/choppy looking now. I tried purging and reinstalling my icon themes, and I keep seeing this warning: gtk-update-icon-cache: The generated cache ...
0
votes
0answers
43 views

GTK WARNING: Cannot open display on all applications

I am using Ubuntu 15.04. I ran a series of commands (apt-get autoremove, apt-get -f install, apt-get autoclean) when trying to install teamviewer and reinstall vlc and I managed to get my UI ...
0
votes
0answers
41 views

Make window backgrounds semi-transparent

I want to make window backgrounds semi-transparent while keeping the window elements such as text and icons and other stuff(like controls) on top of it opaque. Till now, I have stumbled upon ways to ...
0
votes
0answers
33 views

How to add asynchronous subprocess call for Python Gtk Glade Button on_click method?

I am new to Python and Gtk. I have created an ubuntu application using Quickly-create. I have added a button to run the adb pull command for my rooted android phone. I wish to add a spinner which will ...