HiDPI w/ low DPI monitor - Ubuntu Budgie

hi-low-dpi-x11

HiDPI laptop w/ low DPI external monitor X11 & Budgie


Divide your hidpi height by your low dpi height
1800÷1080 = 1.66667

Multipy your low dpi width by this number
1.66667 * 1920 = 3200

# Not needed
# Get your mode config
# cvt 3200 1800

Fix blinking cursor on HiDPI monitor that will happen with scaling & then REBOOT

sudo vi /usr/share/X11/xorg.conf.d/20-intel.conf
```
Section "Device"
   Identifier  "Intel Graphics"
   Driver      "intel"
   Option      "SwapBuffersWait" "true"
   Option      "TearFree" "true"
EndSection
```

vi ~/.profile (add the following)
```
export GDK_DPI_SCALE=1.6
export QT_SCALE_FACTOR=1.6
export QT_STYLE_OVERRIDE=Mojave-dark
```

Log back in and do the following

# Not Needed
# Run the following & make note of your monitor names (mine are eDP1 and DP2)
# xrandr
# sudo xrandr -display :0.0 --newmode "3200x1800_60.00"  492.00  3200 3456 3800 4400  1800 1803 1808 1865 -hsync +vsync
# sudo xrandr -display :0.0 --addmode DP2 "3200x1800_60.00"

Dual monitor setup (HiDPI laptop w/ low dpi monitor)
xrandr --fb 6080x1800 \                                                                           
    --output eDP1 --auto --pos 3200x0 \
    --output DP2 --scale 1.66667x1.66667 --pos 0x0 --panning 3200x1800

Run Budgie with good sizing
env GDK_BACKEND="x11" GDK_SCALE=2 CLUTTER_SCALE=1 GDK_DPI_SCALE=0.5 nohup budgie-panel --replace&

How to RDP w/ sharp clarity - aka Remmina
env GDK_BACKEND="x11" GDK_SCALE=1 CLUTTER_SCALE=1 GDK_DPI_SCALE=0.5 remmina