Questions about the GTK+ graphical user interface toolkit. The Gnome desktop uses GTK+.

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17
votes
0answers
330 views

Change the opacity of a cut selection (nemo.css)

I am trying to find what I need to edit in a GTK theme (specifically Ambiance) to change the opacity of a cut file. A selected file is orange and when I cut it, it is a little opaque - I'd like it to ...
5
votes
0answers
331 views

Corrupted Fonts

I just installed 14.04.2 and certain glyphs are corrupted in Firefox. It only happens at certain zoom levels. If I use Ctrl-mouse-wheel to zoom the page I can make the corruption appear and ...
4
votes
0answers
136 views

How to integrate Qt software like FocusWriter, Telegram, Toggl Desktop or RStudio?

What is required to integrate Qt applications such as FocusWriter, RStudio, Toggl Desktop or Telegram Desktop into the design of Ubuntu? By default, these applications look as follows on Ubuntu 16.04:...
4
votes
0answers
343 views

Kde uses Gnome notification system instead of knotify

I tried to install kubuntu-active on the Kubuntu Trusty and it failed to start. So, I removed it and many packages has "active" in it name related to KDE Active. KDE runs ok now but one issue: It uses ...
4
votes
0answers
3k views

Could not open X display, XDG_Runtime_DIR Error:

Output from terminal from where i tried to run nautilus and read an external drive. Also, i got a terminal window before logging in that system is running under log graphics mode, i will have to login ...
4
votes
0answers
1k views

Terminal command to know which gtk theme is in use

Is there a terminal command to find out which gtk theme is being used and whether the theme is in ~/.themes or in /usr/share/themes? On running gsettings get org.gnome.desktop.interface gtk-theme, I ...
3
votes
0answers
25 views

Software & Updates crashes and will not open

I am unable to open the Software & Updates configuration window in System Settings. The best I have been able to do to understand what is going on is the following output after opening System ...
3
votes
0answers
210 views

Firefox - Arrows disappeared from scrollbar

I recently posted the below question on the firefox website: I have Firefox 46.0 on Ubuntu 14.04 and a few days ago the arrows of the scrollbar disappeared. I have the scrollbar but the up and down ...
3
votes
0answers
67 views

Transparent backgrounds are black with GTK+

GTK+ was giving me a few issues with large black borders around some windows, I created a CSS file to modify this to remove the box shadow around the window and the border. There is still a tiny but ...
3
votes
0answers
76 views

Wrong Language of GTK applications in Kubuntu

I have Kubuntu 14.04, and am running some GTK applications, for example Shotwell. The "Preferred Languages" in the locale settings are set to: English German French All the application ...
3
votes
0answers
172 views

How to write a policykit/polkit permission file to programmatically have access to a file in /usr/share

I'm writing an application that needs to read and write an existing file in /usr/share... If I understood well I need to use Polkit/PolicyKit to ask the system for a permission and ask the user to do ...
3
votes
0answers
622 views

Backend for python3 module matplotlib

I'm trying to use python3 to plot graphs. The only backend for matplotlib that seems to work is tkAgg (Tkinter), however this looks like it has been designed in the Stone Age. So I was trying to find ...
3
votes
0answers
594 views

How do I get high resolution icons in Unity for my application without a .desktop file?

I am trying to fix a problem I found with a Java application. It has a too low res icon. After reading the source of it I modified it to have a bigger icon. SWT uses the gtk_window_set_icon() function ...
3
votes
0answers
456 views

Backgrounds in menus Ubuntu 12.10

I'm having this little problem in all themes I install - the background color of all the window menu items is light-gray instead of the dark I expected. I'm using Ubuntu 12.10 and using gnome-config-...
3
votes
0answers
352 views

How to use a different gtk (gtk3) theme for some applications?

I want to use a custom theme for Nautilus and for some other applications but I want to keep the generic theme for the rest of the applications and system. I know it can be done in gtk2. For ...
2
votes
0answers
157 views

(Gnome, libappindicator) AppIndicator disappears when indicator-application-service is started

I'm using this example: https://gist.github.com/davidboy/1045233 on Ubuntu 14.04 [Gnome Classic]. The system tray icon is shown. But it disappears when the indicator-application-service starts. After ...
2
votes
0answers
78 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 ...
2
votes
0answers
34 views

Questions regarding AppIndicator

I am trying to build a JNI wrapper for using Ubuntu's AppIndicator in a Java application. I have some experience in C/C++, though no experience in GTK and Ubuntu development. I have already done some ...
2
votes
0answers
44 views

Windows that start out maximized restore to an application-specific size, not always a good one

I don't know that this is an OS-specific thing, a bug in the various UI toolkits in use, or purely application-specific, but the inconsistency is mildly infuriating - enough, at least, to get me to ...
2
votes
0answers
164 views

Python GTK: How to stop a function from happening if a checkbox is checked

In my program I have one of those annoying popups that alerts the user to go check the settings. I have a checkbox that if checked, is supposed to never show the popup again. I have no idea how to do ...
2
votes
0answers
2k views

Cannot build MonoDevelop from source

Whenever I try to install MonoDevelop it fails on the "./configure" command. configure: error: Cannot enable GNOME platform without gnome-sharp-2.0 I have installed Mono 3.2 successfully into the /...
2
votes
0answers
831 views

How to install a newer version of the GTK libraries?

I want to install a newer version of the GTK libraries so I can mess around with the new GtkHeaderBar (I want to try to make applications). I have Xubuntu 13.04 and currently have version 3.6 of ...
2
votes
0answers
269 views

Kubuntu with splotchy fonts in gtk apps

In Kubuntu I occasionally get splotchy fonts in gtk applications. Splotchy-ness can range from slightly annoying to completely unreadable. As far as I can tell, the problem only occurs in gtk apps. ...
2
votes
0answers
429 views

Gnome-System-Monitor has no GTK Window Decoration

Really simple problem that I can't seem to figure out. The window decorator works for everything else, but whenever I open the system monitor, it opens in full screen with no border. I'm using Gnome ...
2
votes
0answers
1k views

Gparted Partition editor not working

I had Windows and installed Ubuntu 12.10 alongside Windows. I want to allocate suitable disk space to Ubuntu. I installed the Gparted Parition Editor from the Software Center. My problem is: It ...
1
vote
0answers
39 views

gedit not opening any file when launched from terminal, not only system files

My gedit application is working as normal when I launch it from launch menu and I can do all the kind of things. However when I go to terminal and issue the following command: gedit text1 Then I ...
1
vote
0answers
356 views

Nautilus not working since 16.04 install

So after I installed 16.04 Ubuntu update, I tried to open my home folder, but it didn't work. I tried running nautilus in terminal and it thrown this: user@user-desktop:~$ nautilus (nautilus:13623): ...
1
vote
0answers
7 views

GTK(MM) Widget Choice for List of Items

I am working on an interface with GTKMM and I have a notebook with buttons that represent certain letters. When I click a button it switches to page two of the notebook which will have a selection of ...
1
vote
0answers
42 views

How to customize the “Save File” dialog

I can't remember exactly which configuration file I've modified, but the next time I booted my computer, I found that I unintendedly added the sources.list.d folder to the "Places" list of the "Save ...
1
vote
0answers
27 views

How to update nautilus bookmarks after changing user-dirs?

I change the user-dirs.dirs of xdg. However, those changed dirs like the Pictures bookmarks are missing, how to make the bookmarks shown again? Thanks.
1
vote
0answers
353 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(...
1
vote
0answers
290 views

error Failed to load module “overlay-scrollbar”/“unity-gtk-module” on program run

I just installed Ubuntu 15.10 yesterday and when i run a program I got the following errors: error: libgcrypt.so.11: cannot open shared object file: No such file or directory Gtk-Message: Failed to ...
1
vote
0answers
40 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 ...
1
vote
0answers
50 views

find out all available gtk icon sizes

With gtk_icon_size_register () an app can register a new icon size, but how can I find out on the console, which icon sizes exist? I hope to be able to adjust icon-sizes of apps (in xfce4) that don't ...
1
vote
0answers
205 views

Black bars on Eclipse after upgrading to Kubuntu 15.10

I just upgrade my desktop to Kubuntu 15.10 from Kubuntu 15.04, and I bizarre issue started happening in Eclipse. Looks like the divisors on software are black bars, instead of the desktop color for ...
1
vote
0answers
40 views

Web IDE that has a Linux compiler?

Is there a web IDE that has a Linux compiler (virtual Linux compiler) with Python support? I've created a Python application that uses GTK and Linux modules such as os.system and gtk. I need to ...
1
vote
0answers
61 views

Text editor for translation of texts without Java?

Is there an editor, preferable with GTK support, no JAVA (OmegaT looks ugly, or am I wrong?), to translate texts like in Swordfish under linux? Or is there a simple editor solution, like a plugin for ...
1
vote
0answers
36 views

Scaled up Chrome window

Since a few months I have a problem with Chrome browser. It always worked perfect but one day I turned Chrome on and it appeared like rescaled up. The window and interface became huge, interface icons ...
1
vote
0answers
112 views

What are the advantages of using GTK3 and GTK+3 over GTK-2?

I'm creating a utility program for Ubuntu in Python using GTK-2 and have been told by several people to use GTK3. Why would I want to do so, and would are the advantages of using it instead of GTK-2?
1
vote
0answers
268 views

Create my own panel plugin - Xubuntu

I've installed Xubuntu 14.04. In my panel I can add a lot of plugins. For example that show CPU load and RAM usage... But what about the temperature of each core? I've found the files that contains ...
1
vote
0answers
78 views

Icon size inside an application is too large

Whenever I uses a software that uses gtk as Its source for its viewscreen, the icons on buttoms and some are about the twice the size of icon on my unity launcher I'm using a Ununtu 15.04 with ...
1
vote
0answers
173 views

How to get true, correct font rendering on Ubuntu 14.04+

Font rendering has always been a huge problem on Ubuntu. I am hoping someone has a real solution to this problem. I have a laptop with a 17" (382x215 mm) display running at 1920x1080, approximately ...
1
vote
0answers
29 views

transmission-gtk before login

I know, probably Im asking too much, but... is there any chance to run transmission-gtk even if any user is logged in? I should have transmission-daemon installed instead of gtk, but I love GUI..
1
vote
0answers
302 views

How Are Ubiquity (Installer) Steps Customized On 14.04?

I'm trying to edit the Ubiquity installer on Ubuntu 14.04, but failing miserably. For example, I'd like to have "Download Updates" and "Install 3rd Party Software" automatically checked. Editing the ....
1
vote
0answers
408 views

Gtk-WARNING related with themes, should I take them seriously?

I launched Evince from the command prompt after TexLive installation to test some of generated pdf files and noticed that there were warnings related with icon-themes. While Evince was running I ...
1
vote
0answers
137 views

Which .css theme file changes the buttons on top of nautilus?

This is what I am talking about: I'm making a theme and I don't know what I should be looking for, but I think it is somewhere in the gtk.css file. Edit: I know its in the gtk-widgets.css file, ...
1
vote
0answers
49 views

how to approach legibility problem of light text in dark GTK theme

I'm working on a dark GTK theme for Ubuntu. This largely is going well, but I am not sure how to deal with certain scenarios such as instances of programs with a light colour scheme. A representative ...
1
vote
0answers
26 views

About is not working in My Ubuntu App for desktop

I have developed the same app "mybrowser" told by Jono Bacon in his tutorial. But when I want to see About it is throwing the following error: Gtk.Window.__init__(self, type=type, **kwds) /usr/lib/...
1
vote
0answers
28 views

gtk changes all ss to ß gtk themes not saved on restart

I am using Kubuntu 14.04 and have the following problem: All GTK apps (thunderbird, Polly, Gimp and so on are changing all ss to ß) locale is de_DE this happens in all Menus lists and so on. Is ...
1
vote
0answers
149 views

weird font size setting in different apps and random places

ever since the update from 13.10 to 14.04 i have a font-size issue. for example. With Evolution email the email will show in extremely large font-size (~18px) while the folders and menu's are ...