From 56e243142292b78509dce89e1579113078e39cea Mon Sep 17 00:00:00 2001
From: Storm Dragon <stormdragon2976@gmail.com>
Date: Wed, 23 Apr 2025 20:51:12 -0400
Subject: [PATCH] Add ability to select if you have a screen attached or not.
 This should solve screen vs headless mode problems with getting the GUI to
 start.

---
 .includes/gui.sh           |  1 +
 .includes/toggle-screen.sh | 66 ++++++++++++++++++++++++++++++++++++++
 configure-stormux.sh       |  4 +++
 3 files changed, 71 insertions(+)
 create mode 100644 .includes/toggle-screen.sh

diff --git a/.includes/gui.sh b/.includes/gui.sh
index df8f994..95d9b02 100755
--- a/.includes/gui.sh
+++ b/.includes/gui.sh
@@ -14,6 +14,7 @@ case "${1}" in
     *) session="$1";;
 esac
 
+./.includes/toggle-screen.sh
 install_package ${packages} firefox nodm-dgw orca speech-dispatcher xclip xorg-drivers xorg-server xorg-xinit
 
 # GUI bluetooth manager
diff --git a/.includes/toggle-screen.sh b/.includes/toggle-screen.sh
new file mode 100644
index 0000000..95e6950
--- /dev/null
+++ b/.includes/toggle-screen.sh
@@ -0,0 +1,66 @@
+#!/usr/bin/env bash
+
+# Change between dummy and fbdev driver for X session.
+
+active_screen() {
+    cat << EOF | sudo "${sudoFlags[@]}" tee /etc/X11/xorg.conf.d/10-screendriver.conf &> /dev/null
+Section "Device"
+    Identifier  "FBdev"
+    Driver      "fbdev"
+EndSection
+EOF
+}
+
+headless() {
+    cat << EOF | sudo "${sudoFlags[@]}" tee /etc/X11/xorg.conf.d/10-screendriver.conf &> /dev/null
+Section "Monitor"
+        Identifier "dummy_monitor"
+        HorizSync 28.0-80.0
+        VertRefresh 48.0-75.0
+        Modeline "1920x1080" 172.80 1920 2040 2248 2576 1080 1081 1084 1118
+EndSection
+
+Section "Device"
+        Identifier "dummy_card"
+        VideoRam 256000
+        Driver "dummy"
+EndSection
+
+Section "Screen"
+        Identifier "dummy_screen"
+        Device "dummy_card"
+        Monitor "dummy_monitor"
+        SubSection "Display"
+        EndSubSection
+EndSection
+[storm@fenrir ~] $ cat ~/99-headless.conf
+Section "Monitor"
+        Identifier "dummy_monitor"
+        HorizSync 28.0-80.0
+        VertRefresh 48.0-75.0
+        Modeline "1920x1080" 172.80 1920 2040 2248 2576 1080 1081 1084 1118
+EndSection
+
+Section "Device"
+        Identifier "dummy_card"
+        VideoRam 256000
+        Driver "dummy"
+EndSection
+
+Section "Screen"
+        Identifier "dummy_screen"
+        Device "dummy_card"
+        Monitor "dummy_monitor"
+        SubSection "Display"
+        EndSubSection
+EndSection
+EOF
+}
+
+
+answer=$(yesno "Do you have a physical screen attached?")
+if [[ "${answer}" == "yes" ]]; then
+    active_screen
+else
+    headless
+fi
diff --git a/configure-stormux.sh b/configure-stormux.sh
index 409b606..3aa4b07 100755
--- a/configure-stormux.sh
+++ b/configure-stormux.sh
@@ -82,6 +82,9 @@ while [[ "$choice" != "Exit" ]]; do
         "Configure internet")
             /usr/bin/nmtui-connect
         ;;
+        "Configure Screen")
+            ./.includes/toggle-screen.sh
+        ;;
         "Enable Bluetooth")
             sudo "${sudoFlags[@]}" sed -i 's/^#AutoEnable=false$/AutoEnable=true/' /etc/bluetooth/main.conf
             sudo "${sudoFlags[@]}" systemctl enable bluetooth --now
@@ -123,6 +126,7 @@ while [[ "$choice" != "Exit" ]]; do
         "Change username"
         "Configure Fenrir"
         "Configure internet"
+        "Configure Screen"
         "Enable Bluetooth"
     )
         raspberryPiVersion=$(cat /sys/firmware/devicetree/base/model | cut -f-3 -d ' ')