GTK+3 is a graphical user interface toolkit.

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GTK 3 Theming Problems in Xubuntu 16.04

I've recently switched to Xubuntu 16.04 and I absolutely love it, but there's one tiny problem I have. Certain applications (most notably the new software center) use a completely different window ...
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Ubuntu 12.04 File Open/Save dialog boxes display drop-down list showing folder and program names sharing the same first character/ symbol

Recently, I found that the File Open/Save dialog boxes in my installed programs now display a drop-down list showing a list of files and sub-folders in that particular folder. I did not encounter this ...
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11 views

Ecllipse Freezes even after setting GTK ubuntu 16.4

eclipse freezes when I try to create a new class I tried editing eclipse.ini file here is the current eclipse.ini file -startup plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar --...
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82 views

Change GTK+3 icon theme for a specific application

Firefox doesn't play well with dark system themes and I want to use it and only it with a light system theme, which can be done with an environment variable, but then it will still use my default ...
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23 views

There was an error message when I launch the smart-notifier in Ubuntu 16.04

/usr/share/smart-notifier/smart_notifier/gui.py:23: PyGIWarning: Gtk was imported without specifying a version first. Use gi.require_version('Gtk', '3.0') before import to ensure that the right ...
2
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1answer
25 views

Separate icon sets for GTK+2 and GTK+3 applications on Kubuntu

I use the Breeze Dark theme on Kubuntu, which also works perfectly with GTK+2 applications, but it's not fully supported on GTK+3 applications like Firefox yet. Because of that, I've set my system to ...
2
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1answer
24 views

Can I choose to not sort directories before files on file open dialogs?

I would prefer to not have directories sorted before files within the file open/save dialogs. I would like everything sorted by modification date regardless of file or directory. I have done a fair ...
2
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1answer
68 views

Use GTK3 in a snapcraft app

How can I use Gtk3 in my snap app? should I add Gtk3 as a plugin to snapcraft.yaml? and how to build it? However I can build Gtk3 outside of snapcraft system.
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29 views

Modify GTK GUI combo box

I'm attempting to modify a GTK GUI that came with my OS. I have found the file for the UI, (it is in XML) but what I am trying to modify is in the backend. More specifically, I want to modify the ...
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How can I enable the GTK3 header bars on Ubuntu 16.04?

I want to see the applications like when running on Gnome 3 (with the buttons in the title bar): Instead of how I see them normally: I can achieve what I want by running these commands before ...
2
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1answer
58 views

Can't use GTK Inspector for gnome-terminal

I am trying to inspect the gnome-terminal with the GTK Inspector. This inspector works on other GTK programs like gnome-calculator and gedit. However, when I try to run this on the gnome-terminal, ...
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50 views

Python code to GET (not set) the current desktop wallpaper image

Like the title says, I'd like to slurp in the entire 1920x1080 background wallpaper image into a readable object regardless of what windows, panels, launchers, etc. may currently be on top of it. ...
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1answer
944 views

Ubuntu 16.04 Gnome Conky does not work right

I downloaded and installed Ubuntu gnome 16.04 and I installed icon and theme and much. Finally I installed conky-manager but it doesn't work correct like this.
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28 views

binary file cannot link to swt

I want to install TickWrite on my ubuntu 14. machine (64). When I run TickWrite binary file, I receive the following error at the end of the installation: TickWrite7 has been successfully installed ...
3
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2answers
321 views

Where has the gnome terminal GTK3 style configuration moved to in Ubuntu 16.04?

In Ubuntu 14.04, I could style the appearance of the gnome terminal and its tabs by creating a file /home/$user/.config/gtk-3.0/gtk.css and putting CSS code into it e.g. TerminalWindow ....
1
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1answer
70 views

White corners in some GTK apps in ambiance theme

I am facing a problem with some certain apps i.e. 'gnome calendar', that hard-edgy white corners are shown instead of the normal curved corners in the default ambiance theme I am running a fully ...
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198 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 ...
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1answer
122 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 ...
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1answer
140 views

Ubuntu Mate: Change font color of Desktop Icon

How does one change the font color of Desktops Icon using Ubuntu 16.04 Mate and the gtk-theme Radiant-MATE from white to black? I add at the ende of /usr/share/themes/Radiant-MATE/gtk-3.0/gtk.css ...
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19 views

White scrollbar on ROXTerm

My ROXTerm GTK3 has rather irritating white scrollbars. Does anyone know how can I remove that white background? Screenshot of my ROXTerm: ROXTerm Screenshot of Gnome Terminal: Gnome Terminal
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1answer
33 views

What is the name of this widgets?

I am tweaking a theme to my taste and I changed the accent color from orange to #9E9EB3. The problem is that one kind of widget now have mixed color of orange & #9E9EB3. Can some one tell me ...
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40 views

Menus too far apart on Xfce

I have noticed on several gtk applications, that the menu spacing is too far apart. I'm using Xfce, greybird theme. But this seems to happen no matter which theme i use. On the attached image, you ...
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59 views

What tool to use for testing GTK 3 Themes?

Hello I am looking for a tool to check if every aspect of a gtk-3 part of a theme is fine. Something like TheWidgetFactory, but for GTK3.
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83 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 ...
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1answer
68 views

Remove grey border around pavucontrol in 16.04 [closed]

This issue is best illustrated with an image: As you can see above there is a grey border around the actual contents of the application. What I've tried thus far is to modify the contents of ....
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2answers
237 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 ...
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1k 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 --ppapi-...
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240 views

Python Gtk-ERROR **: GTK+ 2.x symbols detected

I was trying to run my first OpenCV program in python on Ubuntu 14.04. import cv2 import numpy as np import matplotlib.pyplot as plt img =cv2.imread('share.jpg',0) cv2....
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63 views

Ubuntu 15.10 slow stepper scrolling in terminal

Upgrade to 15.10, the stepper scrolling in GNOME Terminal is unresponsive, requiring between 4 and 7 clicks to scroll one line. I use a theme with scrollbar steppers (the arrows either end of the ...
2
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1answer
298 views

LibreOffice, GTK3, and Lubuntu 14.04 LTS

OS: Lubuntu 14.04.3 LTS fully updated Kernel: 3.13.0-77-generic I've just installed LibreOffice Version: 5.0.4.2, Build ID: 1:5.0.4~rc2-0ubuntu1~trusty1 like this: sudo add-apt-repository ppa:...
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1answer
73 views

How to create colored borders for all windows?

Is there a simple gtk.css tweak (or similar) that allows me to have a colored border on all created GNOME/Unity windows? Something like this on web page: body { border: 10px solid #000000; }
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68 views

recently-used.xbel is empty and entries are never added

I'm on a fairly new install of 15.10 and I noticed in gedit that I have no list of recently opened files. "~/.local/share/recently-used.xbel" is there and writable but the contents are the following: ...
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45 views

Why do I get two RandR errors each time I run the xrandr commands?

I'm in the process of creating an xrandr GUI frontend, but I keep running into randr errors. When I run the xrandr --newmode command, I get a BadName error. Running the xrandr --addmode command after ...
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1answer
34 views

How do I install WebKitGTK+ in Ubuntu14.04

I want to build a web interface for my GTK+3 application but I have some problem in installing WebKitGTK+. What are the dependencies that I need to install?
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40 views

How to fix libgtk-3-0 broken package?

For a while I have not been able to import the gtk3 library into python. I was going to try and reinstall the libgtk-3-0 package via synaptic, but that's when I discovered that it was broken. When I ...
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1answer
78 views

Why do I have two versions of gtk installed?

Using following command to see what version of gtk my system is using: apt-cache policy libgtk2.0-0 libgtk-3-0 It says: libgtk2.0-0: Installed: 2.24.27-0ubuntu1 Candidate: 2.24.27-0ubuntu1 ...
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How can I use the gtk3 file chooser with keyboard shortcuts?

Here's the use case. I want to navigate in the file chooser using only the keyboard. For instance, typing Alt-F, then selecting Open with arrow keys usually brings in the file chooser, but there I ...
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422 views

GTK3 and GTK2 tooltip background color difference

I changed the tool tip background color setting in my current theme Ambiance for gtk-2 and gtk-3.0. Even though I used the same color code #f5f5c5 the tool tip background color in eclipse and gedit(...
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91 views

Fast switch between three keyboard layouts - from Unity DE to Gnome Shell

I use ubuntu 15.10 and have 3 keyboard languages layout. In Unity DE I create custom shortcuts: key: CTRL+1; command: gsettings set org.gnome.desktop.input-sources current 0 key: CTRL+2; command: ...
3
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1answer
107 views

Glade Designer is crashing

Here is the Error I am facing. I really need to get Glade up and running please help. I used the sudo apt-get install glade command And this is what I got when trying to run Glade designer ...
2
votes
1answer
120 views

How to remove the scroll limit fade (edge-overshot effect)?

When scrolling in any list of files or some other apps, when the bottom or top is reached, ubuntu displays some kind of "fade" effect like with scrolling in android noting the limit. How can this ...
3
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1answer
337 views

How to create a custom splash screen for a program?

I am currently building a client for our users at work with Ubuntu MATE 15.10 and Plank as a dock. But when I click for example the Firefox icon in the dock nothing happens until it suddenly pops up ...
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70 views

How to change background color in Gnome Tweak Tool?

I developing my own mod for Zukimac theme and when I change .background { color: @theme_fg_color; background-color: @theme_bg_color; /*#d4d4d4*/ } to .background { color: @...
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174 views

How to change the colors of buttons and widgets in GTK3 Theme

I run Ubuntu 14.04 with Unity desktop environment. I installed GTK3 theme called Numix. After that I changed some of the colors to my taste. I want to make the accent color from orange/red to Blue. ...
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45 views

Unwanted super thick borders in Xubuntu 15.10

I have recently updated to Ubuntu (Xubuntu) 15.10. After this update, I see super thick borders around some windows. This seem to plague only Gtk+ applications: Why? Can I fix it? Note: I do not ...
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1answer
33 views

How to customize windows frames(panels)

I want to learn to customize GTK themes. So far I have managed to learn how to change the background(accent) color, text color etc.. I can change colors by changing the values in the files in /usr/...
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32 views

gtk+glade screens not able to view in ubuntu 14.04 developed in ubuntu 10.04

I am porting my gtk+glade application from ubuntu 10.04 to 14.04. I'm trying to open glade screens / files developed in Ubuntu 10.04 in ubuntu 14.04, but not able to view the files in glade tool. ...
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49 views

How do I shrink the text in a GTK+3 active button without changing the whole button size?

I'm working on a custom GTK+3 theme for Ubuntu 15.10, and one of the effects I want to use for an active (clicked) button is to slightly shrink the text shown on the button for a pressed-in look. The ...
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1answer
310 views

How to create local GTK3 settings?

I have changed gtk-main.css of my current theme to get different tooltip colors. But this applies to all users. Is there a way to create local GTK3 settings just for a specific user? TIA Kibu
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32 views

Where to find documentation of CSS Changes in gtk3 15.x?

it is actually sadly true that Ambiance for 15.04 contains some bugs with new headerbar linkbuttons etc. Where to find an actual complete gtk3 css documentation?. Mostly visible in nautilus, file-...