How to change tooltip background color in Unity?

最新推荐文章于 2025-12-20 00:44:44 发布

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本文提供了一个脚本及步骤，用于修复Ubuntu系统中Ambiance主题下的应用程序（如Eclipse）显示黑色背景上的黑色文本的Tooltip问题。通过编辑GTK相关配置文件，可以将Tooltip背景更改为易于阅读的颜色。

Here is a screenshot of Eclipse which displays some source code in a tool tip with black text on black background:

Eclipse with an unusable tooltip

I had to edit these files:

/usr/share/themes/Ambiance/gtk-3.0/settings.ini
/usr/share/themes/Ambiance/gtk-3.0/gtk.css
/usr/share/themes/Ambiance/gtk-2.0/gtkrc

(Addition: for Ubuntu 12.04, it seems youjust have to modify the file:/usr/share/themes/Ambiance/gtk-2.0/gtkrc , replacing the tooltip backround and foreground color, with the #000000 and the #f5f5b5 color, respectively)

You require root privileges to edit the files. Use sudo gedit to edit them.

Search for tooltip in these files and you'll find the color definitions for the foreground and the background. I use#000000 as foreground and #f5f5b5 as background and now the tooltips in all applications are again readable. After changing the color values simply switch to some other theme and then back to Ambiance and the tooltip color is now fixed.

Here is the result:

Eclipse with customized theme

I created a small script :

#/bin/sh
# Tooltip fix
# A script to fix themes files in Ubuntu 11.10
#  to have readable tooltips in applications such
#  as eclipse.
# The script edits the gtk.css, settings.ini and gtkrc files
# Author: Victor Pillac
# http://victorpillac.wordpress.com

if [[ $EUID -ne 0 ]]; then
  echo "This script must be run as root" 1>&2
  exit 1
fi  

path=/usr/share/themes
theme=Ambiance

if [ $# = 1 ]; then
  theme=$1
fi

echo "Fixing tooltips for theme $theme"
echo " (you can select a different theme by passing its name as argument)"
sed -i 's/tooltip_bg_color #000000/tooltip_bg_color #f5f5b5/g' $path/$theme/gtk-3.0/gtk.css
sed -i 's/tooltip_fg_color #ffffff/tooltip_fg_color #000000/g' $path/$theme/gtk-3.0/gtk.css
sed -i 's/tooltip_bg_color:#000000/tooltip_bg_color:#f5f5b5/g' $path/$theme/gtk-3.0/settings.ini
sed -i 's/tooltip_fg_color:#ffffff/tooltip_fg_color:#000000/g' $path/$theme/gtk-3.0/settings.ini
sed -i 's/tooltip_bg_color:#000000/tooltip_bg_color:#f5f5b5/g' $path/$theme/gtk-2.0/gtkrc
sed -i 's/tooltip_fg_color:#ffffff/tooltip_fg_color:#000000/g' $path/$theme/gtk-2.0/gtkrc
echo "Done"