GTK+3 is a graphical user interface toolkit.

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5
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1answer
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How to remove window decorations (title bars) from Ubuntu 14.04

I never used window decorations to maximize / minimize windows, but keyboard and mouse/keyboard shortcuts for all operations. In the good olde days, you could just disable and tweak the window ...
0
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0answers
26 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 ...
1
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0answers
21 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 ...
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
1answer
50 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 ...
1
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0answers
12 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
-1
votes
1answer
26 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 ...
0
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0answers
21 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 ...
2
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0answers
71 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 ...
1
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0answers
26 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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0answers
17 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?
0
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2answers
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Graphics Device initialization failed for : es2, sw

I am getting following error while running Kangaroo Test Automation Graphics Device initialization failed for : es2, sw Error initializing QuantumRenderer: no suitable pipeline found ...
0
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0answers
428 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
1answer
49 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 ...
0
votes
2answers
111 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 ...
7
votes
2answers
1k 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 ...
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0answers
62 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) ...
10
votes
3answers
4k 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 ...
3
votes
3answers
456 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: ...
2
votes
1answer
79 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
votes
1answer
8k 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 ...
0
votes
0answers
50 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 ...
3
votes
1answer
66 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; }
1
vote
1answer
147 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 ...
0
votes
1answer
40 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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0answers
37 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 ...
5
votes
3answers
11k 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, it ...
8
votes
3answers
2k views

How to create a sliding widget (GTK+, Quickly)

Recently I've seen this widget in Gedit: It appears when you press Ctrl + F. What I am interested is in how to get the sliding effect. Any suggestion will be appreciated.
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0answers
29 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 ...
2
votes
1answer
6k 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 ...
1
vote
1answer
51 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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0answers
31 views

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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0answers
166 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 ...
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vote
2answers
2k views

What does “Gtk-ERROR **: GTK+ 2.x symbols detected.” mean?

When starting gparted, it crashes with the error: Gtk-ERROR **: GTK+ 2.x symbols detected. Using GTK+ 2.x and GTK+ 3 in the same process is not supported I already opened LP bug #1094354 for this. ...
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0answers
64 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: ...
7
votes
2answers
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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, ...
3
votes
1answer
79 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 ...
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0answers
37 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 ...
3
votes
1answer
289 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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0answers
57 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: ...
0
votes
0answers
106 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. ...
5
votes
1answer
375 views

Remove black line from (15.04 - Vivid) Files/Nautilus sidebar

Is there a way to remove the black line from the sidebar of the latest Ubuntu? It sticks out and always causes me to lose focus when I'm working, because it stands out way too much compared to the ...
0
votes
1answer
31 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 ...
0
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0answers
30 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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0answers
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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 ...
1
vote
1answer
398 views

Editing Raleigh GTK theme

There's the default GTK theme in XFCE called Raleigh. I would like to change the dark blue color (#4b6983) to something different. But if I go to /usr/share/themes/Raleigh/gtk-2.0/ and take a look at ...
4
votes
1answer
177 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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28 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, ...
4
votes
1answer
3k 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 ...
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2answers
3k views

Will Gtk3 applications run in MATE?

MATE, the Gnome 2 fork is still using Gtk3, although I think they have plans to migrate to Gtk3 in the future. Currently, is it possible to run Gtk3 applications in MATE?