added QT scaling support

This commit is contained in:
Tio TROM 2023-08-10 17:03:39 +02:00
parent 7d12c48835
commit 05f4dae9e3
1 changed files with 43 additions and 7 deletions

View File

@ -3,9 +3,10 @@
# Exit out if the same script is already running in the background
pidof -sq -o %PPID -x "$(basename "$0")" && exit
# Set the directory paths
# Set the directory/file paths
flatpak_themes_dir="$HOME/.themes"
flatpak_icons_dir="$HOME/.icons"
profile="$HOME/.profile"
# Create flatpak icons & themes directories if they don't exist
mkdir -p "$flatpak_themes_dir" "$flatpak_icons_dir" ||
@ -25,6 +26,26 @@ xdg_directory_lookup() {
done < <(printf '%s:%s\n' "$HOME/.local/share" "$XDG_DATA_DIRS" | tr ':' '\n')
}
# Function for setting variables in ~/.profile
profile_set_variable() {
# Return if the variable is already set to the correct value
grep -xq "\s*export\s\+$1=$2\s*" "$profile" && return
# If the variable is set to a different value then remove that line
grep -q "^\s*export\s\+$1=" "$profile" && sed -i "/^\s*export\s\+$1=/d" "$profile"
# Set the variable to the correct value under a comment mentioning this script
if grep -xq '\s*#\s*Values set by the fix-theming script\s*' "$profile"; then
sed -i "/^\s*#\s*Values set by the fix-theming script\s*$/a export $1=$2" "$profile"
elif grep -q '\s' "$profile"; then
tail -n1 "$profile" | grep -qx '\s*' && begin='' || begin='\n'
printf '%b# Values set by the fix-theming script\nexport %s=%s\n' "$begin" "$1" "$2" >> "$profile"
else
printf '# Values set by the fix-theming script\nexport %s=%s\n' "$1" "$2" > "$profile"
fi
# Set variable logout_required to true
logout_required='true'
}
hdpi_theme_fix() {
# Get the current window scaling factor (highDPI setting)
current_scaling=$(xfconf-query -c xsettings -p /Gdk/WindowScalingFactor)
@ -33,12 +54,18 @@ hdpi_theme_fix() {
# Get the current mouse cursor size
cursor_size=$(xfconf-query -c xsettings -p /Gtk/CursorThemeSize)
unset logout_required
if [ "$current_scaling" -eq '2' ]; then
# Increase mouse cursor size if it's less than 45
if [ "$cursor_size" -lt 45 ]; then
# Increase mouse cursor size if it's equal to 25
if [ "$cursor_size" -eq 25 ]; then
xfconf-query -c xsettings -p /Gtk/CursorThemeSize -s '45'
notify-send 'Mouse cursor size increased to 45' "Changed to a larger mouse cursor because you've enabled highDPI on your system"
fi
# Increase scaling for QT apps
for var in QT_SCALE_FACTOR QT_AUTO_SCREEN_SCALE_FACTOR QT_ENABLE_HIGHDPI_SCALING; do
profile_set_variable "$var" 2
done
for variant in xhdpi hdpi; do
# If this variant of the theme is already enabled then break out of the loop
[ "${current_xfwm_theme##*-}" = "$variant" ] && break
@ -49,16 +76,21 @@ hdpi_theme_fix() {
# If this directory exists then change to that theme for XFWM
if [ -d "$highDPI_theme_dir" ]; then
xfconf-query -c xfwm4 -p /general/theme -n -t string -s "$highDPI_theme"
notify-send "XFWM theme changed to $highDPI_theme" "Changed to the highDPI variant of your chosen theme because you've enabled highDPI on your system"
[ "$1" != 'no_hdpi_notification' ] && notify-send "XFWM theme changed to $highDPI_theme" "Changed to the highDPI variant of your chosen theme because you've enabled highDPI on your system"
break
fi
done
else
# Decrease mouse cursor size if it's greater than or equal to 45
if [ "$cursor_size" -ge 45 ]; then
# Decrease mouse cursor size if it's equal to 45
if [ "$cursor_size" -eq 45 ]; then
xfconf-query -c xsettings -p /Gtk/CursorThemeSize -s '25'
notify-send 'Mouse cursor size decreased to 25' "Changed to a smaller mouse cursor because you've disabled highDPI on your system"
fi
# Decrease scaling for QT apps
unset logout_required
for var in QT_SCALE_FACTOR QT_AUTO_SCREEN_SCALE_FACTOR QT_ENABLE_HIGHDPI_SCALING; do
profile_set_variable "$var" 1
done
for variant in xhdpi hdpi; do
# Continue looping if this (highDPI) variant of the theme is not enabled
[ "${current_xfwm_theme##*-}" != "$variant" ] && continue
@ -74,6 +106,10 @@ hdpi_theme_fix() {
fi
done
fi
# Show popup menu about logout if it's required
[ "$logout_required" = 'true' ] &&
yad --image "dialog-question" --title "Alert" --buttons-layout=center --text-align=center --button=yad-yes:0 --button=yad-no:1 --text 'Logout is required in order to apply the DPI preferences to the QT apps.\nWould you like to logout now?' &&
xfce4-session-logout --logout
}
sync_theme() {
@ -90,7 +126,7 @@ sync_theme() {
xfconf-query -c xfwm4 -p /general/theme -n -t string -s "$current_theme"
# Change XFWM theme and mouse cursor size according to the user's highDPI setting
hdpi_theme_fix
hdpi_theme_fix 'no_hdpi_notification'
# Cleanup flatpak_themes_dir
rm -rf "${flatpak_themes_dir:?}"/*