507
votes
Failed to load module “canberra-gtk-module” .... but already installed
install gtk and gtk3 module should solve it.
sudo apt install libcanberra-gtk-module libcanberra-gtk3-module
164
votes
Accepted
pkg-config not finding gtk+-3.0
I only had the normal gtk3 files installed, not the developement files needed for cmake to make use of:
sudo apt-get install build-essential libgtk-3-dev
89
votes
gksu: Gtk-WARNING **: cannot open display: :0
If running Ubuntu 17.10 or newer, this issue can arise when an application has not been updated with full support for Wayland. As a workaround until the application is updated, you can run
xhost +SI:...
79
votes
Gtk-WARNING **: Unable to locate theme engine in module_path: "adwaita", error on executing the the python script with pygtk module
I had the same issue
sudo apt install gnome-themes-standard
Fixed the issue.
52
votes
How can one make Firefox ignore my GTK theme entirely?
Permanent solution:
You can specify a light GTK theme to use for rendering webpages in about:config. This is great because your system theme will still apply for menus etc. but the webpages will be ...
49
votes
Firefox 57 shows dark input boxes/dropdown menus with dark text on Gnome dark themes
I found the best solution was to add a string value in about:config for widget.content.gtk-theme-override to override the GTK theme. You can use a related theme with light text boxes (obviously this ...
41
votes
Failed to load module appmenu-gtk-module + canberra-gtk-module
To install the GTK2 and GTK3 modules:
sudo apt-get install appmenu-gtk2-module appmenu-gtk3-module
40
votes
Failed to load module “canberra-gtk-module” .... but already installed
WARNING: User Paparazio reported that this command removed a lot more software than he was expecting. See his question for details. –
wjandrea
Jun 8 2017 at 20:29
I had the same problem and solve it ...
40
votes
ImportError: libgthread-2.0.so.0: cannot open shared object file: No such file or directory
Try this:
sudo apt-get install libglib2.0-0
Then, run your command again. If that doesn't do the trick, try this:
sudo apt-get install libglib2.0-0:i386
I'm on a 64-bit computer, but the tool I'm ...
26
votes
Accepted
error message when running zenity under 16.04: Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged
Ignore it.
It's a warning, not an error. The application works, it's just not coded with best practices in mind, as it seems. You would have to modify zenity's source code to implement the fix ...
24
votes
Accepted
Qt apps stopped inheriting GTK themes
On Ubuntu 17.10 Qt4 apps do inherit the global GTK theme, while Qt5 don't. Since libqt5libqgtk2 isn't available in the official Ubuntu repositories anymore, we have to use another workaround:
Install ...
22
votes
Failed to load module "xapp-gtk3-module"
Installing xapp installs the missing modules and removes the warning
sudo apt install xapp
Pay attention that
You need to install it with apt, not snap
20
votes
Accepted
Disable system style for Firefox form input elements
The CSS-based solutions are tricky to get right, in my experience. The one in Michael's answer worked on some sites but not all.
In Firefox 60, there's an easier solution. Go to about:config and ...
19
votes
Gtk-Message: Failed to load module "overlay-scrollbar" Ubuntu 17.10
In my computer with Ubuntu 16.04, I solved it installing the package overlay-scrollbar-gtk2:
sudo apt-get install --reinstall overlay-scrollbar-gtk2
18
votes
Failed to load module "canberra-gtk-module"
This question is 4 years and 8 months old. It is now July 2017.
On a Raspberry Pi 3B running Raspbian Jessie and Ubuntu 16.04 LTS I was getting this error.
Failed to load module “canberra-gtk-...
17
votes
Accepted
GTK bindings for Fortran
I confirm there are no official Fortran bindings provided by the GTK Project.
I was one of the founders of the gtk-fortran project in 2011 and I have maintained it since (the version 4.5 should be ...
16
votes
Accepted
Can't Run GTK on WSL, Display Error
WSL doesn't come with an X server by default, because Windows doesn't use an X server. Which would also be why xhost failed to do anything remotely useful.
In order to do something like this, you ...
15
votes
GTK Ubuntu 17.10
By default 17.10 does not allow root to access your display.
Try the command xhost +si:localuser:root
then launch gedit with root privilege.
15
votes
Accepted
How do I change colors in Zim (wiki editor) running on Kubuntu 18.10?
I'm still on Kubuntu 18.04 but it appears that the version of Zim is the same in 18.10.
Zim seems to be a gtk2 application
Kubuntu allows users to choose different gtk2 and gtk3 (and qt) themes.
Open ...
13
votes
How can you enable GTK3 themes' dark theme mode when using Unity 7?
You can enable 'Global Dark Theme' mode on Unity 7, the same way it's enabled on Gnome Shell. Just install GNOME Tweak Tool by clicking here:
Or run this in Terminal:
sudo apt install gnome-tweak-...
12
votes
How do I refresh the icon cache?
You need to:
Update the timestamp on the top-level icon directory
Run gtk-update-icon-cache.
Note: hicolor is the default theme which app developers should use. If you're making an icon theme, ...
12
votes
Accepted
How to (quickly) switch to dark mode in Ubuntu with GNOME and to make it fully dark?
For easy and quick toggling from Dark to Light theme and vice versa install this GNOME extension:
Night Theme Switcher (GNOME Shell Extension), it has a lot of settings options incl. automated switch ...
11
votes
How can one make Firefox ignore my GTK theme entirely?
UPDATE: My original answer actually gets overwritten when Firefox updates.
My current (permanent) solution
Edit
~/.mozilla/firefox/abcdef.default/chrome/userContent.css
(where abcdef is a random ...
11
votes
How do I enable Emacs keybindings in apps, such as Google Chrome?
As of Chrome 59, which switched to gtk3, set gtk-key-theme-name to Emacs in ~/.config/gtk-3.0/settings.ini:
[Settings]
gtk-key-theme-name = Emacs
11
votes
error message when running zenity under 16.04: Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged
It seems that the Gtk devs decided to add this warning which affects a number of packages. We just have to wait for the Zenity dev to catch up and fix Zenity.
With the bash shell (this is not Posix-...
11
votes
Accepted
Illogical GTK theme behaviour on Ubuntu 18.04
It seems those are applications installed as snap packages. You may verify it by running
snap list
The snap execution environment doesn't see any of the themes on your system (local or system-wide)....
11
votes
Accepted
How to fix error: Failed to load module "canberra-gtk-module"
Not a an issue unique to Matlab, but Ubuntu. It is solved by executing:
sudo apt-get install libcanberra-gtk-module
11
votes
Accepted
Will Ubuntu 22.04 Carry GTK4?
Ubuntu 21.04 already has GTK4 packages in addition to GTK3, and so does the upcoming 21.10.
Then, 22.04 would certainly have GTK4, but it is not possible to predict the version of GTK4 it would have.
...
10
votes
Can I choose to not sort directories before files on file open dialogs?
I have a solution for GTK applications, and a solution for dolphin. I've never figured out how to fix this for non-GTK applications (e.g., LibreOffice).
For GTK:
Fire up dconf-editor.
Navigate to ...
10
votes
Accepted
Message overflow in notification bubble
I posted this a while ago on a (now) deleted Q/A. Maybe it is useful to you.
A patch to allow (very) long messages
The "patch" below will allow you to have notifications as long as it takes on your ...
Only top scored, non community-wiki answers of a minimum length are eligible
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