lupan-set-theme: toggle st theme (note: needs st patched to handle USR1)

xsession/.Xresources

@@ -1,3 +1,5 @@
+#define THEME_DARK
+
 #if HEIGHT >= 2160
 Xft.dpi: 160
 Xcursor.size: 48
@@ -53,3 +55,49 @@ XTerm.vt100.color14:        #8FBCBB
 ! white
 XTerm.vt100.color7:         #E5E9F0
 XTerm.vt100.color15:        #ECEFF4
+
+st.font: FiraCode Nerd Font:size=10
+
+#ifdef THEME_DARK
+st.background: #1f212e
+st.foreground: #9da0af
+st.cursorColor: #bf8040
+st.reverse-cursor: #1f212e
+st.color0: #1f212e
+st.color1: #862d2d
+st.color2: #3a783a
+st.color3: #707010
+st.color4: #345eb2
+st.color5: #cc66cc
+st.color6: #3a7878
+st.color7: #a1a3aa
+st.color8: #4d4d4d
+st.color9: #c27070
+st.color10: #40bf40
+st.color11: #acac53
+st.color12: #6b8ac7
+st.color13: #8f248f
+st.color14: #509595
+st.color15: #dbdff0
+#else
+st.background: #dae4f1
+st.foreground: #1f212e
+st.cursorColor: #bf8040
+st.reverse-cursor: #1f212e
+st.color0: #1f212e
+st.color1: #862d2d
+st.color2: #3a783a
+st.color3: #707010
+st.color4: #345eb2
+st.color5: #cc66cc
+st.color6: #3a7878
+st.color7: #a1a3aa
+st.color8: #73778c
+st.color9: #c27070
+st.color10: #40bf40
+st.color11: #acac53
+st.color12: #6b8ac7
+st.color13: #8f248f
+st.color14: #509595
+st.color15: #dae4f1
+#endif

xsession/bin/lupan-set-theme

@@ -19,6 +19,16 @@ else
     exit 1
 fi
 
+if [ -f ~/.Xresources ]; then
+    if [ "$THEME" = dark ]; then
+        sed -i 's/^#undef THEME_DARK/#define THEME_DARK/' ~/.Xresources
+    elif [ "$THEME" = light ]; then
+        sed -i 's/^#define THEME_DARK/#undef THEME_DARK/' ~/.Xresources
+    fi
+    xrdb -merge ~/.Xresources
+    killall -USR1 st
+fi
+
 # Alacritty
 if [ -f ~/.config/alacritty/alacritty.yml ]; then
     sed -i "s/^colors: [*].*/colors: *$THEME/" ~/.config/alacritty/alacritty.yml