Questions tagged [gtk3]

GTK+3 is a graphical user interface toolkit.

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53 votes
5 answers
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Can I apply a different GTK3 theme from the main one to an individual application?

For example, can I keep Ambiance as main theme but assign elementary theme to elementary's app?
Rossi's user avatar
  • 561
11 votes
3 answers
10k views

How do I theme the Nautilus background image?

I want to change the background image in the Nautilus file browser. My idea is to put my own style in the background. I'm using Ubuntu 11.10 and Nautilus is version 3. I know that I have to change ...
Kesymaru's user avatar
  • 121
37 votes
3 answers
29k views

How do I open GTK Inspector?

I am using GTK.3.15. When attempting to open GTK Inspector using the Ctrl+Shift+I or Ctrl+Shift+D, nothing happens. Does not matter what application or widget I am using. Nothing happens and my ...
Adam's user avatar
  • 501
16 votes
2 answers
12k views

How do I make Firefox 64 use the KDE file selection dialog?

By default, Firefox uses the GTK file selection dialog when you press, for example, Control+O to open a local file. How does a Kubuntu user make Firefox use the KDE file selection dialog?
DK Bose's user avatar
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49 votes
4 answers
24k views

How to fix GTK3 scrollbar behavior

I have removed the overlay scrollbars. How can I configure GTK3 scrollbar clicking behavior? GTK3 applications scrollbars behave strangely under Ubuntu 12.10 and 13.04. This also happens with Fedora ...
usuario's user avatar
  • 491
18 votes
4 answers
9k views

How can I "diff" two files with Nautilus?

I have installed Meld and found out it's a great comparing tool. Unfortunately there is no integration with Nautilus 3.2. This means, I can't right click on files and select an option to open them in ...
bioShark's user avatar
  • 4,251
12 votes
3 answers
12k views

Can gtk2 themes be converted to gtk3 themes?

I really don't like the stock gtk3 themes and have never found one I like. I do however have a few gtk2 themes I really like. Can these gtk2 themes be ported to gtk3 or made to work in 11.10?
Ruben's user avatar
  • 851
3 votes
1 answer
4k views

Tweaking newer GTK3 themes

The Numix theme is available by installing shimmer-themes from the software center. It is installed by default in Xubuntu. In 14.04, I was able to modify some aspects of the theme by directly editing ...
DK Bose's user avatar
  • 42.6k
2 votes
0 answers
768 views

Why have colors suddenly become dark and saturated in Gtk3 features & applications on my GNOME system?

I've tried to search through the forums to find out why my folder/files icons became darker, why my font is different than how it was before and why many system applications are very saturated in ...
Jamal Awad's user avatar
1 vote
1 answer
2k views

Xfwm4 + Compton: Problems with gtk3 applications

I am currently using Xubuntu 16.10 with the Xfwm4 window manager. I switched out the default compositor with Compton in order to fix my screen tearing issues. This worked flawlessly, however there ...
dmcdo's user avatar
  • 63
21 votes
1 answer
61k views

Failed to load module appmenu-gtk-module + canberra-gtk-module

I have already tried : sudo apt-get install libcanberra-gtk-modul sudo apt-get install libcanberra-gtk-module:i386
Jan's user avatar
  • 319
16 votes
1 answer
5k views

How to fix invisible form fields in Firefox while using Adwaita Dark Theme (or any other dark theme) [duplicate]

I have this issue with some form fields in Firefox and using the adwaita-dark theme. In some webpages where the field background is white, you cannot read the text because it is also white. This ...
luisgonzalez's user avatar
  • 1,569
12 votes
3 answers
6k views

Turn off smooth scrolling in GTK3

On a default Ubuntu 16.04 (xenial) installation, GTK3 applications (which include most of the default GUI applications) have smooth scrolling activated. How do I disable it? For example, in Gedit, ...
Gilles 'SO- stop being evil''s user avatar
10 votes
1 answer
374 views

Can I theme the menubar to look different if a window is maximized?

I know you can theme the Unity menubar in GTK+3 using CSS, but is there a way to theme it differently depending on whether a window is maximized? This would be useful for e.g. themes where the ...
Knowledge Cube's user avatar
7 votes
2 answers
5k views

Question about GtkScrollbar class in custom themes

I very much like to use the Zukitwo theme as an alternative over the standard Ambiance theme, it is to my taste more easy on the eyes. However, the theme takes away the scrollbar arrows or "steppers"...
Willem van Gerven's user avatar
5 votes
1 answer
16k views

How to edit the color of the title bar and border width of a gtk3 theme?

Can someone tell me which file and item is edited to change the title bar and the border width in the gtk3 themes? I'm using Ubuntu version 14.04. Note: This is related to Using the Themes in the ...
L. D. James's user avatar
  • 25.1k
5 votes
3 answers
17k views

How to change the background colour of a window?

Since 11.10 you can't change much in the appearance options, just the windows border styles but NOT the background colour like you could do it in Natty. For some odd reason as I upgraded to 11.10, ...
MissDjax's user avatar
4 votes
3 answers
19k views

How can I customize my GTK theme?

I would like to create a custom theme. Actually, this would be a modified Yaru theme. I could change the headerbar main color, but I couldn't change the color of its buttons. Original Yaru theme: ...
Belushi's user avatar
  • 438
3 votes
2 answers
1k views

Are there any GTK3 themes that work properly in Unity-2D? All that I've tried have "button glitches"

Every GTK3 theme I've ever tried other than Ambiance or Radiance has some "fallback" buttons when maximized instead of the theme buttons. Is there a fix or a theme without this issue? Example:
Veazer's user avatar
  • 1,431
3 votes
3 answers
3k views

Whats the proper way to install Jhbuild?

Im running ubuntu 14.04, and im having difficulty in installing Jhbuild. I followed various links when i faced errors, and they are always the same. The links are: http://python-gtk-3-tutorial....
arvindh's user avatar
  • 145
2 votes
1 answer
2k views

Which package is pango that is needed to compile Qemu with --enable-gtk enabled?

I'm compiling Qemu with --enable-gtk enabled. .configure gives me the following error messages: Run-time dependency gtk+-3.0 found: NO ../meson.build:1042:2: ERROR: Could not generate cargs for gtk+-...
zzzhhh's user avatar
  • 247
2 votes
1 answer
692 views

Can I have the I-beam (mouse) cursor more visible in gtk3 apps?

When the mouse cursor hovers over text (other than hypertext?) that can be edited or copied , the cursor appears as an I-Beam insertion bar. In gtk2, it's possible to alter the width and color of the ...
user avatar
1 vote
2 answers
6k views

Force LibreOffice 5.1.2.2 to use gtk2 instead of gtk3?

I have LibreOffice Version: 5.1.2.2, Build ID: 1:5.1.2-0ubuntu1 running on Lubuntu 16.04 LTS. It defaults to gtk3, but I want to know if I can switch it to gtk2 instead as hinted by comment #7 in ...
DK Bose's user avatar
  • 42.6k
112 votes
3 answers
504k views

How do I Install GTK+ 3.0?

How can I install GTK+ 3.0 and use that instead of GTK+ 2.24?
dlin's user avatar
  • 3,820
22 votes
2 answers
24k views

How can I find out what ibus-daemon and ibus-ui-gtk3 are doing?

Occasionally my desktop slows down a lot. The mouse pointer moves slowly or not at all, my fan starts whirring, and the end is generally nigh. If I'm very patient normality usually restores itself, ...
lofidevops's user avatar
18 votes
2 answers
2k views

Move GNOME file dialog buttons

I recently upgraded to 18.04 and something that annoys me slightly is that the "Cancel" and "Open"/"Select" buttons are on the top bar now. Is there any way I can move them to the bottom, like in ...
qwr's user avatar
  • 2,802
12 votes
4 answers
3k views

How do I disable mnemonics in GTK3?

In Natty Narwhal I used to do some nifty tricks with .gtkrc-2.0 to disable mnemonics (underlined menus) but now it's impossible. I assume in Oneiric Ocelot it will be something different because it ...
Chris's user avatar
  • 131
11 votes
2 answers
19k views

Reload Gtk+ 3.0 theme

I'm trying to customize my Gtk+3.0 theme, when I make a change in my theme, I change between two themes (with MyUnity) to force applications to reload the theme and test mine. But when I do that, the ...
eagleoneraptor's user avatar
10 votes
3 answers
1k views

Gedit "Highlight Misspelled Words" enabled by default

I'm using gedit 3.10.4 on Ubuntu 14.04 LTS with the Spell checker enabled. At the moment, I have to enable the "Highlight Misspelled Words" option every time I open a file, even if it is the same file....
Xirux Nefer's user avatar
9 votes
1 answer
3k views

snapd-desktop-integration flooding syslog

snapd-desktop-integration on my Ubuntu 22.04 desktop system is flooding my syslog here with these messages: Dec 2 14:19:35 server1 systemd[65032]: snap.snapd-desktop-integration.snapd-desktop-...
ThinkHard's user avatar
  • 303
8 votes
1 answer
5k views

Glade: How can I set the value of a spin button?

I've done some spin buttons with Glade for my Python/GTK3 app, but I don't know how to set things like default, lower or higher value. How can I do it? Using the following things for development: ...
Xerz's user avatar
  • 4,591
6 votes
2 answers
7k views

Disable css warnings [closed]

Everytime I open a gtk application it outputs css warnings (lack of units assuming px etc). Can I disable this dreadful verbosity? example: $ gedit (gedit:19558): Gtk-WARNING **: Theme parsing ...
Simon Landeholm's user avatar
5 votes
3 answers
1k views

Can evince be configured to suggest last used folder when using "save as" from a downloaded document?

While in Ubuntu 16.04 this was the default and it was very convenient (at least for me), in Ubuntu 18.04 it always goes to "~/Documents" forcing to navigate to the chosen folder every time. The use ...
arauzo's user avatar
  • 998
5 votes
2 answers
8k views

How do I remove rounded borders from windows in Ubuntu 18.04 with GNOME shell?

How can I make window edges squared (instead of round) in Ubuntu 18.04? I am using the Ambiance theme. What I tried (without any success on 18.04): The solution from How do I remove rounded borders ...
jII's user avatar
  • 1,102
5 votes
1 answer
5k views

How do I get same scrollbar style for gtk-2.0 and gtk-3.0 apps?

Sorry for my English mistakes, I'm Spanish. I'm using Ubuntu 11.10 in a tablet. I've removed overlay-scrollbars and I have increased the scrollbars size to use them with fingers. In /usr/share/themes/...
David López's user avatar
5 votes
0 answers
1k views

Why are gtk-3.0 custom settings ignored?

Since Firefox was updated to version 52 on Ubuntu, I started to notice an annoying problem with too thin scroll bars: I was able to find a would be solution to this issue: to create a file ~/.config/...
d.k's user avatar
  • 437
5 votes
1 answer
19k views

How to install latest GTK for creating C programs

I want to install latest version GTK to make small c programs. I've just finished "let us c" book which is very basic.Now I want to make GUI programs.while compiling the c program I got the following ...
rahul's user avatar
  • 195
5 votes
1 answer
973 views

Nautilus menu icons missing in Ubuntu 16.10 (GTK 3.20)

I upgraded to ubuntu 16.10 a few days ago, and suddenly my menu icons in nautilus are missing again. I checked the dconf setting (org.gnome.desktop.interface.menu-have-icons) and it is still true. ...
Christian Domsch's user avatar
5 votes
1 answer
7k views

How do I force a 16x16 icon size for toolbar icons in GTK 3?

Is there a way to force 16x16 icon size for toolbar icons in GTK3? In GTK2 it was possible by editing ~/.gtkrc-2.0. I just do not know how to do this in GTK3.
user73331's user avatar
  • 901
5 votes
1 answer
16k views

GTK3 theme in KDE

I am using Kubuntu 12.04 and QtCurve widget style which does not support GTK3: How can apply a GNOME theme for GTK3 apps? I found an advice here: installed gnome-themes-standard and gnome-themes-...
warvariuc's user avatar
  • 2,305
3 votes
1 answer
1k views

How to deactivate kinetic scrolling on touchpad in GTK3 applications?

I'd like to deactivate the "kinetic scrolling" behavior of the GTK3 applications in Ubuntu 18.04 with Gnome 3 (e.g. evince, gedit). If I scroll with the touchpad and don't lift my fingers perfectly ...
clemisch's user avatar
  • 161
3 votes
2 answers
5k views

PlayOnLinux not working with on wxPython 4.1.0 - ImportError: No Module named wxversion, needs to be wx.version instead

The latest version of wxPython doesn't support the wxversion module. Instead the information is available as wx.version. Is there any suggested work around to this? Thanks! My environment is Ubuntu ...
Richard Logwood's user avatar
3 votes
3 answers
1k views

Upload dialogs for Firefox and Chrome now differ; FF's doesn't include network drives

As long as I can remember (and I've been running 14.04 LTS since its release!), Firefox and Chrome have both used the same upload/download dialog for, e.g., Gmail, or StackExchange image uploads. ...
Dɑvïd's user avatar
  • 1,946
3 votes
2 answers
2k views

How to install a custom GTK3 Ubuntu theme without having to add a PPA?

Adding a PPA is an action that requires trust. If I haven't read the source code of the repository that is held in the PPA, I shouldn't install a random PPA for security reasons. Therefore, is there ...
knocte's user avatar
  • 996
3 votes
2 answers
3k views

How to handle SWT applications in 16.04

It seems that SWT (eclipse based) applications in Xenial (16.04) are mostly broken with default-jdk (ie openjdk 8). This includes Eclipse IDE, Gantproject, etc... They either won't load, or won't ...
alci's user avatar
  • 5,839
3 votes
1 answer
14k views

How to change GtkWidget background in GTK3?

I'm trying to use override_background_color on some GTK3 widgets but they still showing up with the default background color.
int_ua's user avatar
  • 8,604
2 votes
1 answer
8k views

Snap installed applications not showing on launcher

After installing applications using Snap (e.g: slack, chromium browser) they not appear in gnome launcher. Not able to run them using [gtk-launch][1] neither. .desktop files exist in /var/lib/snapd/...
Gonzalo Matheu's user avatar
2 votes
1 answer
4k views

How to apply the adapta theme on ubuntu mate

I've seen that amazing adapta theme here for gnome users. but I am a MATE environment user running 1.16.2 version and GTK3 Version: 3.18.9-1ubuntu3.3. I know they made one for MATE and I want to fully ...
Perrytheveganancap's user avatar
2 votes
1 answer
15k views

How to change GTK3 color scheme on Ubuntu 13.04

I am making the transition from Windows 7 to Ubuntu 13.04. I have run Ubuntu twice on my laptop before, and switched back to Windows 7. Mostly because the orange and gray colors of Ubuntu is just ugly....
Michael87's user avatar
2 votes
1 answer
15k views

gtk-update-icon-cache: The generated cache was invalid

i'm working on some editing icon theme and when i want to update the icon cache i got this error : gtk-update-icon-cache: The generated cache was invalid. WARNING: icon cache generation failed for /...
marko Captain's user avatar