tur1ngb0x/qt-theme-fix.md

## qt-theme-fix.md

      
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              qt-theme-fix.md
            
          
    Fixing theming issues on QT apps on any desktop environment

Install Breeze package (qt theme, gtk theme, styles, icons)

Arch
sudo pacman -S breeze breeze-gtk

Debian
sudo apt-get install breeze breeze-gtk-theme

Fedora
sudo dnf install breeze breeze-gtk

Manjaro
sudo pamac install breeze breeze-gtk

Ubuntu
sudo apt-get install breeze breeze-gtk-theme

Add these lines at the end of ~/.profile

export QT_QPA_PLATFORMTHEME=Breeze
export QT_STYLE_OVERRIDE=Breeze

Create a file ~/.config/fontconfig/fonts.conf

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
	<alias><family>serif</family><prefer><family>Liberation Serif</family></prefer></alias>
	<alias><family>sans-serif</family><prefer><family>Liberation Sans</family></prefer></alias>
	<alias><family>sans</family><prefer><family>Liberation Sans</family></prefer></alias>
	<alias><family>mono</family><prefer><family>Liberation Mono</family></prefer></alias>
	<alias><family>monospace</family><prefer><family>Liberation Mono</family></prefer></alias>
	<match target="font">
		<edit name="antialias" mode="assign"><bool>true</bool></edit>
		<edit name="autohint" mode="assign"><bool>false</bool></edit>
		<edit name="dpi" mode="assign"><double>96</double></edit>
		<edit name="hinting" mode="assign"><bool>true</bool></edit>
		<edit name="hintstyle" mode="assign"><const>hintslight</const></edit>
		<edit name="lcdfilter" mode="assign"><const>lcddefault</const></edit>
		<edit name="rgba" mode="assign"><const>rgb</const></edit>
	</match>
</fontconfig>

Reboot for changes to take effect