How to create a simple desktop environment?

I want to know how to create a simple desktop environment, such as KDE, Gnome and LXDE, for Linux, or specifically, Ubuntu/Kubuntu, but I do not know how to begin and how complex it is. I want to...

OS X design decisions. Terminate the app on last window close?

Unlike Windows, GNOME and most other GUI's, OS X application programs do not all terminate if the main window (or all the windows) of that application are closed. For example, fire up Firefox,...

How to make Qt tear-off menu appear in alt-tab navigation?

Qt tear-off menus don't seem to appear in Alt-tab task switcher navigation, presumably because they are not top-level widgets. That means that as soon as the torn-off menu window is obscured by...

How to set windows title in python qt?

I develop in pyqt and i made deb package on Ubuntu. It contain .desktop file, so it automatically add icon to main menu. When I start application windows title is correct but in gnome bar shows...

Eclipse Dialogs Have No Title Bar and Can't Be Moved in Gnome 3

I just installed Eclipse from the Android website and the dialogs have no title bar and seem to be docked at the top of the Eclipse main window. I can't find a way to move them or get the titlebar...

how to change primary color of gnome-shel 3.12?

I want to change main color of gnome-shell 3.12 that use in any where that doesn't specify background-color in gnome-shell.css stylesheet. I want to change all menu background-color. I try...

Windows-like shell extension on Mac & Linux

I'm making an application (Initially for Windows, but extending to Mac & Linux asap), and I'll be needing to extend the shell on both platforms, to achieve the best usability. So how would I go...

Why all Linux terminals hang if running program with higher priority

I'm running some console program that uses 2 threads - main and worker. Main thread starts worker, waits for user input ("Press ENTER to exit"), then terminates worker and exits. Worker thread...

What is the current behavior of firefox for the ubuntu menu bar?

I'm trying to development an applet (https://github.com/lestcape/Global-AppMenu) to be used in the Cinnamon desktop. My intention is not modify or create any other code than not be cjs (javascript...

Cannot install canopy from Enthought under Debian Wheezy Linux

I downloaded canopy for linux-32-i86 newest version then tried to install it on my linux-notebook (AMILO from ~2004) - however it produced the following error messages: [...] Installing to...

debian jessie unable to install modules and perform upgrade

When I am trying to upgrade the system I am getting following error.I am new to debian and have been trying to install some modules dependent on python. But it seems I cannot install any of them...

Main menu placement in Intellij IDEA

When I am using Intellj IDEA in Linux (with Gnome) I can't seem to find an option to move the main menu from the top of the screen inside the window that it belongs to; this is similar to the...

porting java program from windows to linux: invisible java swing elements in main frame on linux only

So I am trying to port a somewhat large java program from windows to linux (CENTOS 7). The program works just fine on windows, but in my linux set up only the main frame of the application shows...

Can't set title for terminal window when launched from Gnome menu launcher

I added a new Gnome menu option to launch a custom script application. I am using Redhat 6, Gnome 2. This is all working but when it launches in a new terminal window I cannot get the title to...

LD_LIBRARY_PATH cleared when logging in through xrdp

Background: I am currently working in a Linux Virtual Machine on some Java plugins that I install into Eclipse by placing them into the /opt/eclipse/dropins folder. My plugins need to support both...

Creating a floating menu that pops like normal menu but appears at mouse position

Some context I've recently switched to ubuntu budgie (from unity), and I am really tired of the Plank/panel menu combo. I cannot find a setting that suits me, because depending on my screen setup,...

How to create a desktop-entry in Gnome?

I have installed ProM 6.8 (a process mining tool, written in Java) and after executing the command ./ProM68.sh & in a terminal, the application starts without problems. I tried to create both a...

Bash/ZSH Terminal prompt Time & Date

Running Bash & ZSH as my terminal environments. My main goal is that I would like to add a timestamp onto all of my prompts.. Something along the lines of: PS1_DATE="\D{%Y-%m-%d %H:%M:%S}" This is...

Sharing code between a GTK/GJS App and a Gnome Shell Extension

I am developing a GTK application in GJS and like to reuse parts of the GTK code inside a Gnome Shell extension. However, I did not find a way to add a Gtk.Widget to the menu of my Gnome Shell...