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I installed Ubuntu with several Desktop Environments, including Unity, KDE and LXDE.

I am struggling to change the background tooltip color which is black and causes displaying problems in Eclipse.

I managed to do this in Unity as explained here: How to change tooltip background color in Unity?

I was unable to do this in LXDE. However when I changed the tooltip background color from KDE GUI settings (System Settings -> Application Appearance -> Colors), the change was also reflected in LXDE, so I assume there must be a configuration file from which all desktop environments read this information.

Where are theme settings stored?

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KDE

The KDE is saving the own settings to the /home/[user]/.kde/...

The color settings are saved to the /1/:

Colors

The colors file follows the standard KDE colorscheme file format and allows a theme to define what colors work best with its theme elements...

Saved at /home/[user]/.kde/share/apps/color-schemes/[unique name].colors ...

If you are editing the "current" color scheme then the settings are saved to the kdeglobals file - /home/[user]/.kde/share/config/kdeglobals.

Links

  1. http://techbase.kde.org/Development/Tutorials/Plasma/ThemeDetails
  • Ok! But why KDE settings are reflected in LXDE? Where LXDE stores its color settings? – Calin-Andrei Burloiu Nov 28 '12 at 11:07
  • I have not used the LXDE so this is a pure quess. With the KDE there are GTK+ engines to ensures visual consistency between GTK+ and Qt-based applications running under the KDE. Maybe the LXDE is having something like that. – user26687 Nov 29 '12 at 15:45
  • Or maybe KDE is updating GTK+ theme settings to unsure this consistency. – Calin-Andrei Burloiu Dec 3 '12 at 11:18
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What you are looking for is GTK theme settings which is used by GTK applications in KDE and other desktop environments (Unity, LXDE, ..):

~/.gtkrc-2.0

Source: Is there a way to stop KDE from overwriting my other WM settings?

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