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Kubuntu 15.10/16.04 中 root 应用程序的视觉变化

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Kubuntu 15.10/16.04 中 root 应用程序的视觉变化

问题是：当我使用sudo或在 Kubuntu 中启动应用程序时kdesudo，这些应用程序会改变其视觉主题，并且其中一些应用程序的显示会出现问题。

举个例子：

海豚处于正常模式：在此处输入图片描述

海豚与kdesudo：在此处输入图片描述

下一个非常奇怪的事情是 Konsole 的输出，在kdesudo：

eugene@Eugene-KubuntuPC:~$ kdesudo dolphin
QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
QPixmap::scaled: Pixmap is a null pixmap
...
QPixmap::scaled: Pixmap is a null pixmap
QPainter::begin: Paint device returned engine == 0, type: 2
QPixmap::scaled: Pixmap is a null pixmap
QPainter::begin: Paint device returned engine == 0, type: 2
QPixmap::scaled: Pixmap is a null pixmap
...
QPixmap::scaled: Pixmap is a null pixmap
QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
"ÐÑоÑеÑÑ Ð¿ÑоÑокола trash неожиданно завеÑÑилÑÑ"
QPixmap::scaled: Pixmap is a null pixmap
...
QPixmap::scaled: Pixmap is a null pixmap
QPainter::begin: Paint device returned engine == 0, type: 2
QPainter::setOpacity: Painter not active
QPainter::begin: Paint device returned engine == 0, type: 2
QPainter::setOpacity: Painter not active
QPainter::begin: Paint device returned engine == 0, type: 2
QPainter::setCompositionMode: Painter not active
QPixmap::scaled: Pixmap is a null pixmap
QPixmap::scaled: Pixmap is a null pixmap
QPainter::begin: Paint device returned engine == 0, type: 2
QPainter::setOpacity: Painter not active
QPainter::begin: Paint device returned engine == 0, type: 2
...
QPixmap::scaled: Pixmap is a null pixmap
QPainter::begin: Paint device returned engine == 0, type: 2
QPainter::setOpacity: Painter not active
QPainter::begin: Paint device returned engine == 0, type: 2
QPainter::setOpacity: Painter not active
QPainter::begin: Paint device returned engine == 0, type: 2
QPainter::setCompositionMode: Painter not active
QPixmap::scaled: Pixmap is a null pixmap
...
QPixmap::scaled: Pixmap is a null pixmap
QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
...
QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'

我尝试使用如下环境变量来启动应用程序XDG_CURRENT_DESKTOP=$XDG_CURRENT_DESKTOP XDG_CONFIG_DIRS=$XDG_CONFIG_DIRS XDG_RUNTIME_DIR=$XDG_RUNTIME_DIR，但结果并没有好多少：在此处输入图片描述

我在 Kubuntu 15.10 中注意到了这个问题，但以为它会在 LTS 版本中得到修复。看来我错了。如何修复？

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