1 files changed, 107 insertions, 0 deletions
diff --git a/f7-script.sh b/f7-script.sh
new file mode 100755
index 0000000..ab3178b
--- /dev/null
+++ b/f7-script.sh
@@ -0,0 +1,107 @@
+#!/bin/bash
+
+set -e
+
+INTERNAL=LVDS1
+EXTERNAL=VGA1
+
+show_usage() {
+    cat <<END
+Screen switch helper script.
+
+Usage: $0 <command>
+
+  commands:
+    toggle
+    external
+    internal
+    mirror
+
+END
+}
+
+screen_external() {
+    xrandr --output "$INTERNAL" --off
+    xrandr --output "$EXTERNAL" --auto
+}
+screen_internal() {
+    xrandr --output "$EXTERNAL" --off
+    xrandr --output "$INTERNAL" --auto
+}
+screen_mirror() {
+    xrandr --output "$INTERNAL" --auto
+    xrandr --output "$EXTERNAL" --auto --same-as "$INTERNAL"
+}
+
+screen_toggle() {
+    case "$STATE" in 
+        internal)
+            screen_external
+            ;;
+        external)
+            screen_internal
+            ;;
+        mirror)
+            screen_external
+            ;;
+        *)
+            screen_internal
+            ;;
+    esac
+}
+
+
+screen_get_state() {
+    SCREEN="$1"
+    xrandr --query | grep "^$SCREEN"
+    #xrandr --query | grep "^$SCREEN" | grep connected | sed 's/.*connected\s*\([^ ]\+\).*/\1/' | grep -o '[0-9]*x[0-9]*' || echo
+}
+is_connected() {
+    echo "$1" | grep ' connected' >/dev/null && echo 1 || echo
+}
+is_active() {
+    echo "$1" | grep connected | sed 's/.*connected\s*\([^ ]\+\).*/\1/' | grep -o '[0-9]*x[0-9]*' || echo
+}
+
+INTERNAL_STATE=$(screen_get_state "$INTERNAL")
+EXTERNAL_STATE=$(screen_get_state "$EXTERNAL")
+
+EXTERNAL_CONNECTED=$(is_connected "$EXTERNAL_STATE")
+
+if [ -z "$EXTERNAL_CONNECTED" ] ; then
+    echo "External monitor $EXTERNAL not connected." >&2
+    exit 0
+fi
+
+INTERNAL_STATE=$(is_active "$INTERNAL_STATE")
+EXTERNAL_STATE=$(is_active "$EXTERNAL_STATE")
+if [ -z "$INTERNAL_STATE" ] ; then
+    STATE="external"
+elif [ -z "$EXTERNAL_STATE" ] ; then
+    STATE="internal"
+else
+    STATE="mirror"
+fi
+
+DO="$1"
+if [ -z "$DO" ] ; then
+    DO="toggle"
+fi
+
+case "$DO" in
+    toggle)
+        screen_toggle
+        ;;
+    internal)
+        screen_internal
+        ;;
+    external)
+        screen_external
+        ;;
+    mirror)
+        screen_mirror
+        ;;
+    *)
+        show_usage >&2
+        ;;
+esac