在不使用 Plasma 桌面的情况下设置 KDE 字体大小

Question

我正在使用一些 KDE 应用程序（okular、konsole...），但没有 KDE 桌面环境（使用 fvwm）。我想增加字体大小，~/.config/kdeglobals但那里的设置被忽略。

我已经检查过straceokular 确实可以访问该配置文件。

$ cat ~/.config/kdeglobals

[General]
BrowserApplication[$e]=firefox.desktop
XftAntialias=true
XftHintStyle=hintmedium
XftSubPixel=none
desktopFont=Cantarell,22,-1,5,50,0,0,0,0,0
fixed=Monospace,22,-1,5,50,0,0,0,0,0
font=Cantarell,22,-1,5,50,0,0,0,0,0
menuFont=Cantarell,22,-1,5,50,0,0,0,0,0
smallestReadableFont=Cantarell,18,-1,5,50,0,0,0,0,0
toolBarFont=Cantarell,18,-1,5,50,0,0,0,0,0
widgetStyle=breeze

[Icons]
Theme=breeze

[Paths]
Desktop[$e]=$(xdg-user-dir DESKTOP)
Documents[$e]=$(xdg-user-dir DOCUMENTS)

[Toolbar style]
Highlighting=true
IconText=IconOnly
TransparentMoving=true

[WM]
activeFont=Cantarell,20,-1,5,50,0,0,0,0,0

$ fc-list | grep Cantarell

/usr/share/fonts/cantarell/Cantarell-VF.otf: Cantarell:style=Bold
/usr/share/fonts/cantarell/Cantarell-VF.otf: Cantarell:style=Light
/usr/share/fonts/cantarell/Cantarell-VF.otf: Cantarell:style=Regular
/usr/share/fonts/cantarell/Cantarell-VF.otf: Cantarell
/usr/share/fonts/cantarell/Cantarell-VF.otf: Cantarell:style=Extra Bold
/usr/share/fonts/cantarell/Cantarell-VF.otf: Cantarell:style=Thin