From 52b19c4d1d2aeca061f7d0f914675e36ec308288 Mon Sep 17 00:00:00 2001
From: Jens Sauer <jsauer65@gmail.com>
Date: Mon, 23 Nov 2020 21:55:37 +0100
Subject: [PATCH] Add dynamic DPI settings

Adjust DPI settings based on display resolution.
---
 Xresources/.Xresources.d/hidpi  |  7 +++++++
 Xresources/.Xresources.d/lowdpi |  7 +++++++
 Xresources/.Xresources.d/middpi |  7 +++++++
 shell/.xsessionrc               | 22 ++++++++++++++++++++++
 4 files changed, 43 insertions(+)
 create mode 100644 Xresources/.Xresources.d/hidpi
 create mode 100644 Xresources/.Xresources.d/lowdpi
 create mode 100644 Xresources/.Xresources.d/middpi

diff --git a/Xresources/.Xresources.d/hidpi b/Xresources/.Xresources.d/hidpi
new file mode 100644
index 0000000..fc9bb40
--- /dev/null
+++ b/Xresources/.Xresources.d/hidpi
@@ -0,0 +1,7 @@
+Xft.dpi: 144
+Xft.autohint: 0
+Xft.lcdfilter: lcddefault
+Xft.hintstyle: hintfull
+Xft.hinting: 1
+Xft.antialias: 1
+Xft.rgba: rgb
diff --git a/Xresources/.Xresources.d/lowdpi b/Xresources/.Xresources.d/lowdpi
new file mode 100644
index 0000000..2084422
--- /dev/null
+++ b/Xresources/.Xresources.d/lowdpi
@@ -0,0 +1,7 @@
+Xft.dpi: 96
+Xft.autohint: 0
+Xft.lcdfilter: lcddefault
+Xft.hintstyle: hintfull
+Xft.hinting: 1
+Xft.antialias: 1
+Xft.rgba: rgb
diff --git a/Xresources/.Xresources.d/middpi b/Xresources/.Xresources.d/middpi
new file mode 100644
index 0000000..752e4ed
--- /dev/null
+++ b/Xresources/.Xresources.d/middpi
@@ -0,0 +1,7 @@
+Xft.dpi: 120
+Xft.autohint: 0
+Xft.lcdfilter: lcddefault
+Xft.hintstyle: hintfull
+Xft.hinting: 1
+Xft.antialias: 1
+Xft.rgba: rgb
diff --git a/shell/.xsessionrc b/shell/.xsessionrc
index d8d7d2e..3780cd4 100644
--- a/shell/.xsessionrc
+++ b/shell/.xsessionrc
@@ -4,3 +4,25 @@ if [ -f ~/.profile ]; then
 fi
 
 xrdb -merge ~/.Xresources
+
+# Load settings for HiDPI only when HiRes display is connected
+#
+SR=$(xrandr --query | grep ' connected' | egrep -o '[0-9]+x[0-9]+\+[0-9]+\+[0-9]+')
+MAX_RES=0
+for RES in $SR
+do
+        SRX=$(echo $RES | cut -d'x' -f 1)
+	if [ $MAX_RES -lt $SRX ]; then
+		MAX_RES=$SRX
+	fi
+done
+
+# FullHD
+if [ $MAX_RES -le 1920 ]; then
+	xrdb -merge ~/.Xresources.d/lowdpi
+# 2k
+elif [ $MAX_RES -gt 1920 || $MAX_RES -lt 2500 ]; then
+	xrdb -merge ~/.Xresources.d/middpi
+elif [ $MAX_RES -gt 2500 ]; then
+	xrdb -merge ~/.Xresources.d/hidpi
+fi