GUACAMOLE-2120: Support VT100 escape codes sent for function keys and keypad.

Author: eugen-keeper

guacamole-ext/src/main/resources/org/apache/guacamole/protocols/kubernetes.json

@@ -130,6 +130,11 @@
                     "name"    : "backspace",
                     "type"    : "ENUM",
                     "options" : [ "", "127", "8" ]
+                },
+                {
+                    "name"    : "function-keys",
+                    "type"    : "ENUM",
+                    "options" : [ "", "vt100plus" ]
                 }
             ]
         },

guacamole-ext/src/main/resources/org/apache/guacamole/protocols/ssh.json

@@ -130,6 +130,11 @@
                     "type"    : "ENUM",
                     "options" : [ "", "127", "8" ]
                 },
+                {
+                    "name"    : "function-keys",
+                    "type"    : "ENUM",
+                    "options" : [ "", "vt100plus" ]
+                },
                 {
                     "name"    : "terminal-type",
                     "type"    : "ENUM",

guacamole-ext/src/main/resources/org/apache/guacamole/protocols/telnet.json

@@ -108,6 +108,11 @@
                     "type"    : "ENUM",
                     "options" : [ "", "127", "8" ]
                 },
+                {
+                    "name"    : "function-keys",
+                    "type"    : "ENUM",
+                    "options" : [ "", "vt100plus" ]
+                },
                 {
                     "name"  : "terminal-type",
                     "type"    : "ENUM",

guacamole/src/main/frontend/src/translations/en.json

@@ -517,6 +517,7 @@
         "FIELD_HEADER_EXEC_COMMAND"    : "Command (exec):",
         "FIELD_HEADER_FONT_NAME"       : "Font name:",
         "FIELD_HEADER_FONT_SIZE"       : "Font size:",
+        "FIELD_HEADER_FUNCTION_KEYS"   : "Function keys and keypad behavior:",
         "FIELD_HEADER_HOSTNAME"        : "Hostname:",
         "FIELD_HEADER_IGNORE_CERT"     : "Ignore server certificate:",
         "FIELD_HEADER_NAMESPACE"       : "Namespace:",
@@ -566,6 +567,9 @@
         "FIELD_OPTION_FONT_SIZE_96"    : "96",
         "FIELD_OPTION_FONT_SIZE_EMPTY" : "",
 
+        "FIELD_OPTION_FUNCTION_KEYS_EMPTY"     : "",
+        "FIELD_OPTION_FUNCTION_KEYS_VT100PLUS" : "VT100+",
+
         "NAME" : "Kubernetes",
 
         "SECTION_HEADER_AUTHENTICATION" : "Authentication",
@@ -755,6 +759,7 @@
         "FIELD_HEADER_DISABLE_PASTE" : "Disable pasting from client:",
         "FIELD_HEADER_FONT_NAME"     : "Font name:",
         "FIELD_HEADER_FONT_SIZE"     : "Font size:",
+        "FIELD_HEADER_FUNCTION_KEYS" : "Function keys and keypad behavior:",
         "FIELD_HEADER_ENABLE_SFTP"   : "Enable SFTP:",
         "FIELD_HEADER_HOST_KEY"      : "Public host key (Base64):",
         "FIELD_HEADER_HOSTNAME"      : "Hostname:",
@@ -820,6 +825,9 @@
         "FIELD_OPTION_FONT_SIZE_96"    : "96",
         "FIELD_OPTION_FONT_SIZE_EMPTY" : "",
 
+        "FIELD_OPTION_FUNCTION_KEYS_EMPTY"     : "",
+        "FIELD_OPTION_FUNCTION_KEYS_VT100PLUS" : "VT100+",
+
         "FIELD_OPTION_TERMINAL_TYPE_ANSI"           : "ansi",
         "FIELD_OPTION_TERMINAL_TYPE_EMPTY"          : "",
         "FIELD_OPTION_TERMINAL_TYPE_LINUX"          : "linux",
@@ -854,6 +862,7 @@
         "FIELD_HEADER_DISABLE_PASTE"  : "Disable pasting from client:",
         "FIELD_HEADER_FONT_NAME"      : "Font name:",
         "FIELD_HEADER_FONT_SIZE"      : "Font size:",
+        "FIELD_HEADER_FUNCTION_KEYS"  : "Function keys and keypad behavior:",
         "FIELD_HEADER_HOSTNAME"       : "Hostname:",
         "FIELD_HEADER_LOGIN_FAILURE_REGEX" : "Login failure regular expression:",
         "FIELD_HEADER_LOGIN_SUCCESS_REGEX" : "Login success regular expression:",
@@ -912,6 +921,9 @@
         "FIELD_OPTION_FONT_SIZE_96"    : "96",
         "FIELD_OPTION_FONT_SIZE_EMPTY" : "",
 
+        "FIELD_OPTION_FUNCTION_KEYS_EMPTY"     : "",
+        "FIELD_OPTION_FUNCTION_KEYS_VT100PLUS" : "VT100+",
+
         "FIELD_OPTION_TERMINAL_TYPE_ANSI"           : "ansi",
         "FIELD_OPTION_TERMINAL_TYPE_EMPTY"          : "",
         "FIELD_OPTION_TERMINAL_TYPE_LINUX"          : "linux",