Add disable Chromium keyboard shortcuts

Note: Some shortcuts don't work after a long researh without a solution:

control + shift + n
control + alt + x

all multi key conbination are failing.

Author: hermeslm

src/modules/fullpageos/config

@@ -13,6 +13,9 @@
 [ -n "$FULLPAGEOS_OVERRIDE_KBD_MODEL" ] || FULLPAGEOS_OVERRIDE_KBD_MODEL=default
 [ -n "$FULLPAGEOS_OVERRIDE_KBD_LAYOUT" ] || FULLPAGEOS_OVERRIDE_KBD_LAYOUT=default
 
+#disable keyboard shortcuts like (CTRL+w,CTRL+N,CTRL+t) for Chromium
+[ -n "$FULLPAGEOS_DISABLE_CHROMIUM_KEYBOARD_SHORTCUTS" ] || FULLPAGEOS_DISABLE_CHROMIUM_KEYBOARD_SHORTCUTS=no
+
 #override password, otherwise use image default
 [ -n "$FULLPAGEOS_OVERRIDE_PASSWORD" ] || FULLPAGEOS_OVERRIDE_PASSWORD=default
 

src/modules/fullpageos/filesystem/boot/xbindkeys_disable.conf

@@ -0,0 +1,29 @@
+F11
+F12
+control + n
+control + w
+control + t
+control + j
+control + h
+control + o
+control + p
+control + s
+control + 2
+control + 3
+control + 4
+control + 5
+control + 6
+control + 7
+control + 8
+control + 9
+control + tab
+control + alt + x
+control + pagedown
+control + shift + tab
+control + pageup
+control + shift + t
+control+shift + N
+control+shift + n
+control + shift + i
+control + shift + j
+control + shift + c

src/modules/fullpageos/filesystem/opt/custompios/scripts/start_chromium_browser

@@ -1,5 +1,44 @@
 #!/bin/bash
 
+PACKAGE="xbindkeys"
+
+# Starting xbindkeys if is installed
+if apt list --installed "$PACKAGE" | grep -q "[installed]"; then
+    # Define the path to our custom config file (relative to the script)
+    DISABLE_CONFIG_PATH="/boot/firmware/xbindkeys_disable.conf"
+    # Define the path to the user's xbindkeysrc file
+    XBINDKEYS_RC="/home/$BASE_USER/.xbindkeysrc"
+
+    # Function to generate the xbindkeysrc file based on our config
+    generate_xbindkeysrc() {
+        local config_path=$1
+        local output_path="$XBINDKEYS_RC"
+
+        # Create a temporary xbindkeys config file
+        local temp_file="/tmp/xbindkeysrc.temp"
+        > "$temp_file" # Clear the file
+
+        # Read each line from the config file and format it for xbindkeysrc
+        while IFS= read -r combo; do
+            # Skip empty or commented lines
+            if [[ -z "$combo" || "$combo" =~ ^# ]]; then
+                continue
+            fi
+            echo "\"echo\"" >> "$temp_file"
+            echo "  $combo" >> "$temp_file"
+            echo >> "$temp_file"
+        done < "$config_path"
+
+        # Copy the temporary file to the user's home directory
+        cp "$temp_file" "$output_path"
+        #chown "$user":"$user" "$output_path"
+        rm "$temp_file"
+    }
+    echo "$PACKAGE is installed so starting the package!"
+    generate_xbindkeysrc "$DISABLE_CONFIG_PATH"
+    xbindkeys &
+fi
+
 flags=(
    --kiosk
    --touch-events=enabled

src/modules/fullpageos/start_chroot_script

@@ -27,6 +27,14 @@ then
     systemctl disable getty@tty1
 fi
 
+# Disable keyboard shortcuts like (CTRL+w,CTRL+N,CTRL+t) for Chromium
+if [ "$FULLPAGEOS_DISABLE_CHROMIUM_KEYBOARD_SHORTCUTS" == "yes" ]
+then
+    #Only install if not disabled by configuration
+    echo "Disable keyboard shortcuts like (CTRL+w,CTRL+N,CTRL+t) for Chromium: $FULLPAGEOS_DISABLE_CHROMIUM_KEYBOARD_SHORTCUTS"
+    apt-get install xbindkeys -y
+fi
+
 remove_extra=$(remove_if_installed scratch squeak-plugins-scratch squeak-vm python-minecraftpi minecraft-pi sonic-pi oracle-java8-jdk bluej greenfoot libreoffice-common libreoffice-core freepats)
 
 apt-get remove -y --purge  $remove_extra