gtk+ stands for Gimp ToolKit, a widget toolkit for GUI applications. Gnome uses gtk+ extensively.

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The virt-manager displays “Gtk couldn't be initialized”

I am running the virt-manager on RHEL 7.0, but it always display "Gtk couldn't be initialized": [root@dhb5 ~]# virt-manager --debug --nofork 2015-08-17 03:21:09,895 (cliutils:75): virt-manager ...
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1answer
71 views

Per-application window scaling in Xorg for high dpi display

I am running Gnome Shell with a 4k monitor and there are a few applications that I use that don't scale at all with the high resolution. Here is an example of LMMS, an application that hasn't yet ...
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24 views

Replace GTK file dialog with alternative

Is there any way to configure GTK programs to use a different file dialog? Reading ancient articles on the default dialog and seeing no difference to the current version does no bode well for it's ...
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29 views

Proper GTK environment without desktop environment

I'm using Xmonad on archlinux, without a desktop environment installed. I managed to set the Numix theme for GTK2 with this ~/.gtkrc-2.0 gtk-icon-theme-name="Numix" gtk-theme-name="Numix" and GTK3 ...
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33 views

How to integrate NPlot in MonoDevelop

NPlot is a charting library which could be used in GTK#. I've downloaded its tarball here. The README file contains this: The first version of NPlot-Gtk was made by Miguel de Icaza, and was a ...
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9 views

Disable search box in Thunar

I come from Windows background and it's very furstrating that when I start typing something, I can't use arrows, backspace, alt+arrows etc. anymore thanks to this little box in the right bottom ...
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1answer
44 views

How can I disable slow scrolling in gnome apps?

This happens GTK apps such as gedit and evince. Occasionally if I hold a scrollbar down too long without scrolling really fast it goes into a slow mode and becomes useless. How can I disable the ...
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1answer
89 views

Major Memory leak in GTK Applications

I am running Linux Mint 17.1 (based on Ubuntu 14.04) MATE desktop. Recently, my system slowed down and opening up system monitor revealed that some applications were eating up a tremendous amount of ...
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335 views

Gtk-WARNING **: cannot open display

I have centos 6 minimal (headless) as a Host and installed ubuntu 14.04 Desktop as a guest and using KVM. There is a web application deployed inside Guest, and it opens and closes one GTK ...
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37 views

“Open File” dialog box takes a long time to appear on all applications

On Ubuntu 14.04. While using KeepassX, I tried to open a database with the Ctrl+O shortcut, but it appeared to crash with a non-responsive window. I then noticed the same behavior with Firefox, ...
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67 views

Get page borders in Evince without changing overall Mate theme

I've just noticed so it might have been like that ever since I upgraded to Linux Mint Rebecca, but I have no page borders in Evince: the white background of the page blends seamlessly into the white ...
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149 views

install matplotlib with pip when pygtk is in non standard location

I have installed PyGTK 2.24.0 in /software/pygtk-2.24.0/gcc directory. Is there any way without rewrite the setup program how to install matplotlib with pip? Simple pip install matplotlib builds ...
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86 views

Fedora 21 window decorations for firefox and other applications

Just installed Fedora 21 How can I make Firefox gel with the systems window decoration theme? This is how it looks now: Firefox doesn't care about my theme. How can I make the top bar fit in with ...
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48 views

Is there any way to edit the dconf settings of GTK on a WindowsNT Install?

I am trying to help the OP of this question: http://stackoverflow.com/q/28157314/1695680 And I suspect their gtk install has some default settings that are undesirable. On Linux I believe these ...
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61 views

Disabling DBUS in a GTK appliacation

Im having some troubles using an app made with webkitgtk. looks like now it uses DBUS and some times the gtk internals got stuck trying to get a d-bus session to work. Im not using d-bus in this app. ...
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77 views

No GUI and Long on screen in ubuntu 14.04 after removing GTK

I removed the gtk+2 and gtk+3 by the command "apt-get remove" command. But after that, I could not log on to my system, there is no Log in screen and other GUI icons.But the PC is working, I could ...
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2answers
246 views

gtk 3.14 file chooser: folders first

I just upgraded from fedora20 to fedora21 and now the gtk file picker sorts files and folders together. I much prefer the usual and previous behaviour of displaying folders first (and I enabled that ...
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15 views

Create and enforce a theme for every GUI app in an OS

Say I want to build a custom desktop environment (in QML) using the QtCompositor APIs. I can create my own components for the QML apps created for this particular environment, but it would be much ...
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1answer
77 views

How do applications like gksu lock focus when launched?

I am curious how applications like gksu lock screen focus when prompting for a password. I see gksu even has an option "-g", that can disable this behavior. I am interested in doing something ...
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73 views

How do I launch a gui app from a script called in cron in Linux?

I understand that cron doesn't like launching apps that have a gui. I am trying to google around this, and I found that it is possible, but I need to tell cron which display to launch it in. Well, I ...
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167 views

GTK can not load image from icon theme

I have always used the Numix theme and icons at my system, both home and at work. I have never ever had any problem. But, someday, without any interference, somehow they stopped working. Absolutely ...
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1answer
89 views

Meld background highlighting broken

At some point (which I unfortunately didn't note down precisely, but is reasonable to believe that it was after an apt-get (dist-)upgrade operation) meld's background highlighting stopped being ...
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1answer
306 views

Dotted lines in GTK3 Theme

I recently tried the Vertex Theme, you can get it here in case you are interested. It looks very decent in my opinion, except for the dotted lines in windows using GTK3. As they seem to be for visual ...
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1answer
155 views

Unable to compile GTK+ application

I'm trying to compile a simple GTK app for testing on a Trisquel 7 machine. The packages are derived from Ubuntu 14.04 LTS. I have libgtk2.0-dev installed, but when I try to compile, this is the ...
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115 views

How to create a GTK window that can display outputs from two webcams?

I searched for this a lot for the past few days. I am kind of a newbie to GTK. My assingnment is to make a GTK window that can display outputs from two different webcams using either C or C++. I know ...
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94 views

Change gtk+ file open dialog

I’d like to change it for another that can resize picture on the preview, i.e. not only show a thumbnail of fixed size. I know that this may require change of the toolkit in use, so which packages do ...
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18 views

Linux keyboard interface GUI menubar

I am not much of a gui guy, but I like gnome3 because it generally gets out of my way and has a fast track to opening applications with minimal interaction. I rarely use gtk/qt applications but when I ...
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1answer
240 views

Trying to style a widget using gtkrc is not working - Zim wiki on Windows 7

I am using Zim wiki on Windows 7 and would like to style the pageview background to be a tiled bitmap. To start with, I am trying to see if I can just change the text colors. I know the gtkrc is ...
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2k views

How to install libwebkit (libwebkitgtk-1.0.so.0) in order to run CodeLite?

A pre-requisite for running codelite is WebKitGTK. codelite: error while loading shared libraries: libwebkitgtk-1.0.so.0: cannot open shared object file: No such file or directory I'm on CentOS, ...
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2answers
881 views

How can I make Fedora 20 use the dark theme for all applications?

If it's somehow possible to force all programs to use the dark adwaita theme, I wish to do that. For now it only seems as if the apps that shipped with Fedora is able to be fully dark, while ...
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1answer
265 views

Additional Borders on windows in Awesome

I have an Arch Linux 64-bit install running Awesome-WM, However I seem to have a problem with the borders on opened windows(Generally in gtk apps) Also I have Compton Composition Manager running ...
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180 views

How to let Linux Python application handle termination on user logout correctly?

I have written a Linux GUI application in Python that needs to do some cleanup tasks before being terminated when the user logs out. Unfortunately it seems, that on logout, all applications are ...
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40 views

How do I modify the behaviour of ALL GTK comboboxes on my system?

Below is a typical combobox before it is opened (It is next to where it says "Destination Folder"): Below is what it looks like when it is opened: I HAAAATE this behaviour. It assumes what I am ...
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1answer
205 views

Meld syntax highlighting feature is disabled

I have installed Meld 1.8.3, which runs fine except that syntax highlight and some other features are disabled. I haven't been able to find out why these options are disabled and how I can enable ...
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1k views

Failed to load module “unity-gtk-module” - GTK error in VMware

am using ubuntu 14.4. now when i try to install VMware-Player-6.0.1-1379776.x86_64.bundle i got error, Extracting VMware Installer...done. Gtk-Message: Failed to load module "overlay-scrollbar": ...
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1answer
162 views

How to choose gtk version for Eclipse RCP application in linux?

I have an Eclipse RCP application which I want to run in Linux environment that has multiple gtks installed. Is there a way to choose the gtk version against which I can run the application? Linux ...
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2answers
435 views

Chrome HTML5 notifications displaying white font on white background

When filling an input with the wrong type or pattern and hitting "submit", Chrome displays notifications as shown below: The thing is, I'm using a theme with a dark background on my system, so the ...
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2answers
135 views

Emacs showing grey background where there are no characters

Since a couple of days, my Emacs is showing a light grey background on the parts of the window that are not covered by characters (see screenshot). Text appears normally black on white (as per ...
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2answers
1k views

Change color of active TAB for roxterm on XFCE / LXDE

I've recently moved away from Gnome because my virtual machine simply could not handle the load. The VM is running Debian and XFCE 4.10.1 (I've tried out LXDE before, too). The one thing that bites me ...
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1answer
107 views

GTK Linux application prior to gdm login remains on screen at login after program ends

I have a GTK Linux application which I want to use as an "Accept Terms of Usage" screen prior to the user logging in. The application is simple, a big Box with a Label and an Acknowledge button on ...
5
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1answer
491 views

Murrine engine on GTK3?

I'm trying to use a GTK theme which requires the Murrine engine, so I installed gtk2-engines-murrine from apt-get. It works fine in most apps, but some such as nm-applet segfault as soon as I try to ...
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1answer
731 views

Fonts look thinner in gtk application when not using gnome

The fonts in gtk applications such as emacs or gedit look thinner than in other applications when I use awesome as windows manager. Switching back to unity solve the problem. For instance DejaVu Sans ...
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2answers
302 views

Is there a way to configure system-wide word delimiters for text in GNOME/GTK+?

I'm looking for a way to define or view and modify which characters are considered word boundaries by GNOME, similar to the "select-by-word" characters used in GNOME Terminal (related question) or ...
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vote
1answer
367 views

AbiWord not using GTK2 theme

I have a linux desktop that uses Openbox and GTK2. I installed abiword, because honestly, I don't use Libreoffice Impress, etc. at all. I just use a word processor. Anyway, I installed Abiword and ...
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2answers
419 views

Install GTK Murrine to home directory?

Bit of irony here, in that I'm not a superuser on this machine, but our development server is FreeBSD with X11 and GTK 2 installed on it. I found I'm able to use my own themes on the server by ...
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246 views

Opera 12.16 & Fedora/Ubuntu

I need to install opera 12.16 on ubuntu 12.10 (gtk 3.6.0) & fedora 19 (gtk 3.8.2). When I start Opera at both systems as "strace opera" , I have the same error: http://codetidy.com/6507/ If I ...
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1answer
2k views

How to install PyGTK for Python 2.7 on CentOS 6?

I am having a big problem installing PyGTK for Python 2.7 on CentOS 6. The YUM on CentOS does not have Python 2.7 or any modules for it, so I had to build Python 2.7 from source. But PyGTK has a ...
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1answer
824 views

how to run gtk app on linux without an x server

backstory - i need to run an adobe air app, which does some things and takes a screenshot of itself and saves out a JPG, then kills itself. (on linux environment) I have it successfully running on ...
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190 views

XFCE: How to set different x/ythickness for each separate panel in .gtkrc-2.0?

The question is in the subject. Can it be done? Is there any way to do it other than editing the .gtkrc-2.0 file? Full story: I use two panels in my desktop. Both horizontal, one in the top and the ...
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2answers
1k views

GTK apps from remote server look bad

I ssh into my headless remote server with X11 forwarding. All my remote GTK apps from remote server look rather ugly. My default GTK theme is not applied. I think this has something to do with GTK ...