- vnc.py doesn't reflect the source file, which starts the websockify process and manages its security tokens. Signed-off-by: Jose Ricardo Ziviani <joserz(a)linux.vnet.ibm.com&gt; --- model/vms.py | 6 ++-- root.py | 8 +++--- vnc.py | 92 ------------------------------------------------------------ websocket.py | 92 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 99 insertions(+), 99 deletions(-) delete mode 100644 vnc.py create mode 100644 websocket.py diff --git a/model/vms.py b/model/vms.py index 3faee5a..c76641c 100644 --- a/model/vms.py +++ b/model/vms.py @@ -45,7 +45,7 @@ from wok.xmlutils.utils import xpath_get_text, xml_item_update from wok.xmlutils.utils import dictize from wok.plugins.kimchi import model -from wok.plugins.kimchi import vnc +from wok.plugins.kimchi import websocket from wok.plugins.kimchi.config import READONLY_POOL_TYPE, get_kimchi_version from wok.plugins.kimchi.kvmusertests import UserTests from wok.plugins.kimchi.model.config import CapabilitiesModel @@ -1295,7 +1295,7 @@ class VMModel(object): wok_log.error('Error deleting vm information from database: ' '%s', e.message) - vnc.remove_proxy_token(name) + websocket.remove_proxy_token(name) def start(self, name): # make sure the ISO file has read permission @@ -1394,7 +1394,7 @@ class VMModel(object): # (type, listen, port, passwd, passwdValidTo) graphics_port = self._vm_get_graphics(name)[2] if graphics_port is not None: - vnc.add_proxy_token(name.encode('utf-8'), graphics_port) + websocket.add_proxy_token(name.encode('utf-8'), graphics_port) else: raise OperationFailed("KCHVM0010E", {'name': name}) diff --git a/root.py b/root.py index cee30f6..8269e3a 100644 --- a/root.py +++ b/root.py @@ -1,7 +1,7 @@ # # Project Kimchi # -# Copyright IBM, Corp. 2013-2015 +# Copyright IBM, Corp. 2013-2016 # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public @@ -21,7 +21,7 @@ import json import os import cherrypy -from wok.plugins.kimchi import config, mockmodel, vnc +from wok.plugins.kimchi import config, mockmodel, websocket from wok.plugins.kimchi.i18n import messages from wok.plugins.kimchi.control import sub_nodes from wok.plugins.kimchi.model import model as kimchiModel @@ -56,8 +56,8 @@ class KimchiRoot(WokRoot): setattr(self, ident, node(self.model)) if isinstance(self.model, kimchiModel.Model): - vnc_ws_proxy = vnc.new_ws_proxy() - cherrypy.engine.subscribe('exit', vnc_ws_proxy.terminate) + ws_proxy = websocket.new_ws_proxy() + cherrypy.engine.subscribe('exit', ws_proxy.terminate) self.api_schema = json.load(open(os.path.join(os.path.dirname( os.path.abspath(__file__)), 'API.json'))) diff --git a/vnc.py b/vnc.py deleted file mode 100644 index 4f94ab2..0000000 --- a/vnc.py +++ /dev/null @@ -1,92 +0,0 @@ -#!/usr/bin/env python2 -# -# Project Kimchi -# -# Copyright IBM, Corp. 2013-2016 -# -# This library is free software; you can redistribute it and/or -# modify it under the terms of the GNU Lesser General Public -# License as published by the Free Software Foundation; either -# version 2.1 of the License, or (at your option) any later version. -# -# This library is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -# Lesser General Public License for more details. -# -# You should have received a copy of the GNU Lesser General Public -# License along with this library; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - -import base64 -import errno -import os - -from multiprocessing import Process -from websockify import WebSocketProxy - -from wok.config import config, paths, PluginPaths - - -try: - from websockify.token_plugins import TokenFile - tokenFile = True -except ImportError: - tokenFile = False - - -WS_TOKENS_DIR = os.path.join(PluginPaths('kimchi').state_dir, 'vnc-tokens') - - -def new_ws_proxy(): - try: - os.makedirs(WS_TOKENS_DIR, mode=0755) - except OSError as e: - if e.errno == errno.EEXIST: - pass - - cert = config.get('server', 'ssl_cert') - key = config.get('server', 'ssl_key') - if not (cert and key): - cert = '%s/wok-cert.pem' % paths.conf_dir - key = '%s/wok-key.pem' % paths.conf_dir - - params = {'listen_host': '127.0.0.1', - 'listen_port': config.get('server', 'websockets_port'), - 'ssl_only': False} - - # old websockify: do not use TokenFile - if not tokenFile: - params['target_cfg'] = WS_TOKENS_DIR - - # websockify 0.7 and higher: use TokenFile - else: - params['token_plugin'] = TokenFile(src=WS_TOKENS_DIR) - - def start_proxy(): - server = WebSocketProxy(**params) - server.start_server() - - proc = Process(target=start_proxy) - proc.start() - return proc - - -def add_proxy_token(name, port): - with open(os.path.join(WS_TOKENS_DIR, name), 'w') as f: - """ - From python documentation base64.urlsafe_b64encode(s) - substitutes - instead of + and _ instead of / in the - standard Base64 alphabet, BUT the result can still - contain = which is not safe in a URL query component. - So remove it when needed as base64 can work well without it. - """ - name = base64.urlsafe_b64encode(name).rstrip('=') - f.write('%s: localhost:%s' % (name.encode('utf-8'), port)) - - -def remove_proxy_token(name): - try: - os.unlink(os.path.join(WS_TOKENS_DIR, name)) - except OSError: - pass diff --git a/websocket.py b/websocket.py new file mode 100644 index 0000000..4f94ab2 --- /dev/null +++ b/websocket.py @@ -0,0 +1,92 @@ +#!/usr/bin/env python2 +# +# Project Kimchi +# +# Copyright IBM, Corp. 2013-2016 +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + +import base64 +import errno +import os + +from multiprocessing import Process +from websockify import WebSocketProxy + +from wok.config import config, paths, PluginPaths + + +try: + from websockify.token_plugins import TokenFile + tokenFile = True +except ImportError: + tokenFile = False + + +WS_TOKENS_DIR = os.path.join(PluginPaths('kimchi').state_dir, 'vnc-tokens') + + +def new_ws_proxy(): + try: + os.makedirs(WS_TOKENS_DIR, mode=0755) + except OSError as e: + if e.errno == errno.EEXIST: + pass + + cert = config.get('server', 'ssl_cert') + key = config.get('server', 'ssl_key') + if not (cert and key): + cert = '%s/wok-cert.pem' % paths.conf_dir + key = '%s/wok-key.pem' % paths.conf_dir + + params = {'listen_host': '127.0.0.1', + 'listen_port': config.get('server', 'websockets_port'), + 'ssl_only': False} + + # old websockify: do not use TokenFile + if not tokenFile: + params['target_cfg'] = WS_TOKENS_DIR + + # websockify 0.7 and higher: use TokenFile + else: + params['token_plugin'] = TokenFile(src=WS_TOKENS_DIR) + + def start_proxy(): + server = WebSocketProxy(**params) + server.start_server() + + proc = Process(target=start_proxy) + proc.start() + return proc + + +def add_proxy_token(name, port): + with open(os.path.join(WS_TOKENS_DIR, name), 'w') as f: + """ + From python documentation base64.urlsafe_b64encode(s) + substitutes - instead of + and _ instead of / in the + standard Base64 alphabet, BUT the result can still + contain = which is not safe in a URL query component. + So remove it when needed as base64 can work well without it. + """ + name = base64.urlsafe_b64encode(name).rstrip('=') + f.write('%s: localhost:%s' % (name.encode('utf-8'), port)) + + +def remove_proxy_token(name): + try: + os.unlink(os.path.join(WS_TOKENS_DIR, name)) + except OSError: + pass -- 1.9.1

- This server opens an unix socket server that listens to clients insterested in use a guest serial console. - Each connection is isolated in its own process, that is destroyed when the client disconnects (timeout/ctrl+q/browser tab closed). Such isolation avoids any block operation on the main process. - Websockify is the responsible to receive the connection from the client websocket to the local unix socket server. Signed-off-by: Jose Ricardo Ziviani <joserz(a)linux.vnet.ibm.com&gt; --- serial_console.py | 290 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 290 insertions(+) create mode 100644 serial_console.py diff --git a/serial_console.py b/serial_console.py new file mode 100644 index 0000000..b0659a5 --- /dev/null +++ b/serial_console.py @@ -0,0 +1,290 @@ +import libvirt +import os +import socket +import sys +import threading +import time + +from multiprocessing import Process + + +from wok.utils import wok_log +from wok.plugins.kimchi import model + + +SOCKET_QUEUE_BACKLOG = 0 +DEFAULT_TIMEOUT = 120 # seconds +CTRL_Q = '\x11' + + +class socket_server(object): + """Unix socket server for guest console access. + + Implements a unix socket server for each guest, this server will receive + data from a particular client, forward that data to the guest console, + receive the response from the console and send the response back to the + client. + + Features: + - one socket server per client connection; + - server listens to unix socket; + - exclusive connection per guest; + - websockity handles the proxy between the client websocket to the + local unix socket; + + Note: + - old versions (< 0.6.0)of websockify don't handle their children + processes accordingly, leaving a zombie process behind (this also + happens with novnc). + """ + + def __init__(self, guest_name): + """Constructs a unix socket server. + + Listens to connections on /tmp/<guest name>. + """ + self._guest_name = guest_name + self._server_addr = '/tmp/%s' % guest_name + if os.path.exists(self._server_addr): + wok_log.error('Cannot connect to %s due to an existing ' + 'connection', guest_name) + raise RuntimeError('There is an existing connection to %s' % + guest_name) + + self._socket = socket.socket(socket.AF_UNIX, + socket.SOCK_STREAM) + self._socket.setsockopt(socket.SOL_SOCKET, + socket.SO_REUSEADDR, + 1) + self._socket.bind(self._server_addr) + self._socket.listen(SOCKET_QUEUE_BACKLOG) + self._stop = False + wok_log.info('socket server to guest %s created', guest_name) + + def _send_to_client(self, stream, event, opaque): + """Handles libvirt stream readable events. + + Each event will be send back to the client socket. + """ + try: + data = stream.recv(1024) + + except Exception as e: + wok_log.info('Error when reading from console: %s', e.message) + return + + # return if no data received or client socket(opaque) is not valid + if not data or not opaque: + return + + opaque.send(data) + + def libvirt_event_loop(self, guest, client): + """Runs libvirt event loop. + """ + # stop the event loop when the guest is not running + while guest.is_running(): + libvirt.virEventRunDefaultImpl() + + # shutdown the client socket to unblock the recv and stop the + # server as soon as the guest shuts down + client.shutdown(socket.SHUT_RD) + + def listen(self): + """Prepares the environment before starts to accept connections + + Initializes and destroy the resources needed to accept connection. + """ + libvirt.virEventRegisterDefaultImpl() + try: + guest = libvirt_guest(self._guest_name) + + except Exception as e: + wok_log.error('Cannot open the guest %s due to %s', + self._guest_name, e.message) + self._socket.close() + sys.exit(1) + + except (KeyboardInterrupt, SystemExit): + self._socket.close() + sys.exit(1) + + console = None + try: + console = guest.get_console() + self._listen(guest, console) + + # clear resources aquired when the process is killed + except (KeyboardInterrupt, SystemExit): + pass + + finally: + wok_log.info("Shutting down the socket server to %s console", + self._guest_name) + self._socket.close() + if os.path.exists(self._server_addr): + os.unlink(self._server_addr) + + try: + console.eventRemoveCallback() + + except Exception as e: + wok_log.info('Callback is probably removed: %s', e.message) + + guest.close() + + def _listen(self, guest, console): + """Accepts client connections. + + Each connection is directly linked to the desired guest console. Thus + any data received from the client can be send to the guest console as + well as any response from the guest console can be send back to the + client console. + """ + client, client_addr = self._socket.accept() + client.settimeout(DEFAULT_TIMEOUT) + wok_log.info('Client %s connected to %s', + str(client_addr), + self._guest_name) + + # register the callback to receive any data from the console + console.eventAddCallback(libvirt.VIR_STREAM_EVENT_READABLE, + self._send_to_client, + client) + + # start the libvirt event loop in a python thread + libvirt_loop = threading.Thread(target=self.libvirt_event_loop, + args=(guest, client)) + libvirt_loop.start() + + while True: + data = '' + try: + data = client.recv(1024) + + except Exception as e: + wok_log.info('Client %s disconnected from %s: %s', + str(client_addr), + self._guest_name, + e.message) + break + + if not data or data == CTRL_Q: + break + + # if the console can no longer be accessed, close everything + # and quits + try: + console.send(data) + + except: + wok_log.info('Console of %s is not accessible', + self._guest_name) + break + + # clear used resources when the connection is closed and, if possible, + # tell the client the connection was lost. + try: + client.send('\r\n\r\nClient disconnected\r\n') + + except: + pass +# socket_server + + +class libvirt_guest(object): + + def __init__(self, guest_name): + """ + Constructs a guest object that opens a connection to libvirt and + searchs for a particular guest, provided by the caller. + """ + try: + libvirt = model.libvirtconnection.LibvirtConnection( + 'qemu:///system') + self._guest = model.vms.VMModel.get_vm(guest_name, libvirt) + + except Exception as e: + wok_log.error('Cannot open guest %s: %s', guest_name, e.message) + raise + + self._libvirt = libvirt.get() + self._name = guest_name + self._stream = None + + def get_name(self): + return self._name + + def is_running(self): + """ + Checks if this guest is currently in a running state. + """ + return self._guest.state(0)[0] == libvirt.VIR_DOMAIN_RUNNING or \ + self._guest.state(0)[0] == libvirt.VIR_DOMAIN_PAUSED + + def get_console(self): + """ + Opens a console to this guest and returns a reference to it. + Note: If another instance (eg: virsh) has an existing console opened + to this guest, this code will steal that console. + """ + # guest must be in a running state to get its console + counter = 10 + while not self.is_running(): + wok_log.info('Guest %s is not running, waiting for it', + self._name) + + counter -= 1 + if counter <= 0: + return None + + time.sleep(1) + + # attach a stream in the guest console so we can read from/write to it + if self._stream is None: + wok_log.info('Opening the console for guest %s', + self._name) + self._stream = self._libvirt.newStream(libvirt.VIR_STREAM_NONBLOCK) + self._guest.openConsole(None, + self._stream, + libvirt.VIR_DOMAIN_CONSOLE_FORCE | + libvirt.VIR_DOMAIN_CONSOLE_SAFE) + return self._stream + + def close(self): + """Closes the libvirt connection. + """ + self._libvirt.close() +# guest + + +def main(guest_name): + """Main entry point to create a socket server. + + Starts a new socket server to listen messages to/from the guest. + """ + server = None + try: + server = socket_server(guest_name) + + except Exception as e: + wok_log.error('Cannot create the socket server for %s due to %s', + guest_name, e.message) + raise + + proc = Process(target=server.listen) + proc.start() + return proc + + +if __name__ == '__main__': + """Executes a stand alone instance of the socket server. + + This may be useful for testing/debugging. + """ + argc = len(sys.argv) + if argc != 2: + print 'usage: ./%s <guest_name>' % sys.argv[0] + sys.exit(1) + + main(sys.argv[1]) -- 1.9.1

On 05-02-2016 14:20, Aline Manera wrote: OK Do you mean to save the socket file into /var/lib/kimchi/vnc-tokens instead of /tmp? My initial idea is that /tmp is always clean after any unexpected reboot or something. But I can change it. guest_name here is already encoded to utf-8 (.encode('utf-8')), but I'll double check if any issue could happen OK Using the same libvirt connection under a new process doesn't work well. I believe that a reference is passed to the new process that, when finished, it closes that connection (and close Kimchi connection's to libvirt as well because both points to the same object). I'll investigate a bit more, if that's the case I could check on how to increase the refcount for such object and let you know then. -- Jose Ricardo Ziviani ----------------------------- Software Engineer Linux Technology Center - IBM

- This commit implements kimchi backend necessary to receive a web request to open the serial console for a particular guest, add the security token and starts the server. Signed-off-by: Jose Ricardo Ziviani <joserz(a)linux.vnet.ibm.com&gt; --- control/vms.py | 3 ++- i18n.py | 4 +++- model/vms.py | 37 ++++++++++++++++++++++++++++++++++++- websocket.py | 34 ++++++++++++++++++++++++++++++++-- 4 files changed, 73 insertions(+), 5 deletions(-) diff --git a/control/vms.py b/control/vms.py index 96bdb20..e9f01e1 100644 --- a/control/vms.py +++ b/control/vms.py @@ -1,7 +1,7 @@ # # Project Kimchi # -# Copyright IBM, Corp. 2013-2015 +# Copyright IBM, Corp. 2013-2016 # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public @@ -55,6 +55,7 @@ class VM(Resource): 'password']) self.suspend = self.generate_action_handler('suspend') self.resume = self.generate_action_handler('resume') + self.serial = self.generate_action_handler('serial') @property def data(self): diff --git a/i18n.py b/i18n.py index a575922..f84e12c 100644 --- a/i18n.py +++ b/i18n.py @@ -1,7 +1,7 @@ # # Project Kimchi # -# Copyright IBM, Corp. 2014-2015 +# Copyright IBM, Corp. 2014-2016 # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public @@ -131,6 +131,8 @@ messages = { "KCHVM0073E": _("Unable to update the following parameters while the VM is offline: %(params)s"), "KCHVM0074E": _("Unable to update the following parameters while the VM is online: %(params)s"), "KCHVM0075E": _("Cannot change VCPU value because '%(vm)s' has a topology defined - sockets: %(sockets)s, cores: %(cores)s, threads: %(threads)s."), + "KCHVM0076E": _("VM %(name)s must have serial and console defined to open a web serial console"), + "KCHVM0077E": _("Impossible to get the serial console of %(name)s"), "KCHVMHDEV0001E": _("VM %(vmid)s does not contain directly assigned host device %(dev_name)s."), "KCHVMHDEV0002E": _("The host device %(dev_name)s is not allowed to directly assign to VM."), diff --git a/model/vms.py b/model/vms.py index c76641c..26b5cfb 100644 --- a/model/vms.py +++ b/model/vms.py @@ -1,7 +1,7 @@ # # Project Kimchi # -# Copyright IBM, Corp. 2014-2015 +# Copyright IBM, Corp. 2014-2016 # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public @@ -46,6 +46,7 @@ from wok.xmlutils.utils import dictize from wok.plugins.kimchi import model from wok.plugins.kimchi import websocket +from wok.plugins.kimchi import serial_console from wok.plugins.kimchi.config import READONLY_POOL_TYPE, get_kimchi_version from wok.plugins.kimchi.kvmusertests import UserTests from wok.plugins.kimchi.model.config import CapabilitiesModel @@ -245,6 +246,7 @@ class VMModel(object): cls = import_class('plugins.kimchi.model.vmsnapshots.VMSnapshotsModel') self.vmsnapshots = cls(**kargs) self.stats = {} + self._serial_procs = [] def has_topology(self, dom): xml = dom.XMLDesc(0) @@ -1175,6 +1177,12 @@ class VMModel(object): else: memory = info[2] >> 10 + # assure there is no zombie process left + for proc in self._serial_procs[:]: + if not proc.is_alive(): + proc.join(1) + self._serial_procs.remove(proc) + return {'name': name, 'state': state, 'stats': res, @@ -1359,6 +1367,20 @@ class VMModel(object): raise OperationFailed("KCHVM0022E", {'name': name, 'err': e.get_error_message()}) + def _vm_check_serial(self, name): + dom = self.get_vm(name, self.conn) + xml = dom.XMLDesc(libvirt.VIR_DOMAIN_XML_SECURE) + + expr = "/domain/devices/serial/@type" + if not xpath_get_text(xml, expr): + return False + + expr = "/domain/devices/console/@type" + if not xpath_get_text(xml, expr): + return False + + return True + def _vm_get_graphics(self, name): dom = self.get_vm(name, self.conn) xml = dom.XMLDesc(libvirt.VIR_DOMAIN_XML_SECURE) @@ -1390,6 +1412,19 @@ class VMModel(object): return (graphics_type, graphics_listen, graphics_port, graphics_passwd, graphics_passwdValidTo) + def serial(self, name): + if not self._vm_check_serial(name): + raise OperationFailed("KCHVM0076E", {'name': name}) + + websocket.add_proxy_token(name.encode('utf-8')+'-console', + '/tmp/%s' % name.encode('utf-8')) + + try: + self._serial_procs.append( + serial_console.main(name.encode('utf-8'))) + except: + raise OperationFailed("KCHVM0077E", {'name': name}) + def connect(self, name): # (type, listen, port, passwd, passwdValidTo) graphics_port = self._vm_get_graphics(name)[2] diff --git a/websocket.py b/websocket.py index 4f94ab2..ab3ffb4 100644 --- a/websocket.py +++ b/websocket.py @@ -34,10 +34,32 @@ try: except ImportError: tokenFile = False +try: + from websockify import ProxyRequestHandler as request_proxy +except: + from websockify import WebSocketProxy as request_proxy + WS_TOKENS_DIR = os.path.join(PluginPaths('kimchi').state_dir, 'vnc-tokens') +class custom_handler(request_proxy): + + def get_target(self, target_plugin, path): + target = super(custom_handler, self).get_target(target_plugin, path) + if target[0] == 'unix_socket': + try: + self.server.unix_target = target[1] + except: + self.unix_target = target[1] + else: + try: + self.server.unix_target = None + except: + self.unix_target = None + return target + + def new_ws_proxy(): try: os.makedirs(WS_TOKENS_DIR, mode=0755) @@ -64,7 +86,12 @@ def new_ws_proxy(): params['token_plugin'] = TokenFile(src=WS_TOKENS_DIR) def start_proxy(): - server = WebSocketProxy(**params) + try: + server = WebSocketProxy(RequestHandlerClass=custom_handler, + **params) + except TypeError: + server = custom_handler(**params) + server.start_server() proc = Process(target=start_proxy) @@ -82,7 +109,10 @@ def add_proxy_token(name, port): So remove it when needed as base64 can work well without it. """ name = base64.urlsafe_b64encode(name).rstrip('=') - f.write('%s: localhost:%s' % (name.encode('utf-8'), port)) + if type(port) == str: + f.write('%s: unix_socket:%s' % (name.encode('utf-8'), port)) + else: + f.write('%s: localhost:%s' % (name.encode('utf-8'), port)) def remove_proxy_token(name): -- 1.9.1

- This is the screen that opens when the client requests the serial console, basically a textarea and a websocket that communicates with the server (through websockify) in order to send/receive data from a guest serial console. 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margin-right: auto; + } + + .terminal { + width: 100%; + height: 100%; + border: #000 solid 3px; + font-family: "DejaVu Sans Mono", "Liberation Mono", monospace; + font-size: 16px; + color: #f0f0f0; + background: #000; + } + + .terminal-cursor { + color: #000; + background: #f0f0f0; + } + </style> + <script src="term.js"></script> + <script> + ;(function() { + window.onload = function() { + var params = new Map() + var query_string = window.location.href.split('?'); + for (var i = 1; i < query_string.length; i++) { + query_string[i].split('&').forEach(function(val) { + param = val.split('='); + params.set(param[0], param[1]); + }); + } + + var url = 'wss://' + window.location.hostname + ':' + params.get('port'); + url += '/' + params.get('path'); + url += '?token=' + params.get('token'); + var socket = new WebSocket(url, ['base64']); + var term = new Terminal({ + cols: 80, + rows: 35, + useStyle: true, + screenKeys: true, + cursorBlink: true + }); + + term.on('data', function(data) { + socket.send(window.btoa(data)); + }); + + socket.onopen = function() { + socket.send(window.btoa('\n')); + }; + + socket.onmessage = function(event) { + var message = event.data; + term.write(window.atob(message)); + }; + + term.open(document.body); + }; + }).call(this); + //# sourceURL=serial.js + </script> + </head> + <body> + </body> +</html> diff --git a/ui/serial/term.js b/ui/serial/term.js new file mode 100644 index 0000000..f542dd0 --- /dev/null +++ b/ui/serial/term.js @@ -0,0 +1,5973 @@ +/** + * term.js - an xterm emulator + * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License) + * https://github.com/chjj/term.js + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + * Originally forked from (with the author's permission): + * Fabrice Bellard's javascript vt100 for jslinux: + * http://bellard.org/jslinux/ + * Copyright (c) 2011 Fabrice Bellard + * The original design remains. The terminal itself + * has been extended to include xterm CSI codes, among + * other features. + */ + +;(function() { + +/** + * Terminal Emulation References: + * http://vt100.net/ + * http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt + * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html + * http://invisible-island.net/vttest/ + * http://www.inwap.com/pdp10/ansicode.txt + * http://linux.die.net/man/4/console_codes + * http://linux.die.net/man/7/urxvt + */ + +'use strict'; + +/** + * Shared + */ + +var window = this + , document = this.document; + +/** + * EventEmitter + */ + +function EventEmitter() { + this._events = this._events || {}; +} + +EventEmitter.prototype.addListener = function(type, listener) { + this._events[type] = this._events[type] || []; + this._events[type].push(listener); +}; + +EventEmitter.prototype.on = EventEmitter.prototype.addListener; + +EventEmitter.prototype.removeListener = function(type, listener) { + if (!this._events[type]) return; + + var obj = this._events[type] + , i = obj.length; + + while (i--) { + if (obj[i] === listener || obj[i].listener === listener) { + obj.splice(i, 1); + return; + } + } +}; + +EventEmitter.prototype.off = EventEmitter.prototype.removeListener; + +EventEmitter.prototype.removeAllListeners = function(type) { + if (this._events[type]) delete this._events[type]; +}; + +EventEmitter.prototype.once = function(type, listener) { + function on() { + var args = Array.prototype.slice.call(arguments); + this.removeListener(type, on); + return listener.apply(this, args); + } + on.listener = listener; + return this.on(type, on); +}; + +EventEmitter.prototype.emit = function(type) { + if (!this._events[type]) return; + + var args = Array.prototype.slice.call(arguments, 1) + , obj = this._events[type] + , l = obj.length + , i = 0; + + for (; i < l; i++) { + obj[i].apply(this, args); + } +}; + +EventEmitter.prototype.listeners = function(type) { + return this._events[type] = this._events[type] || []; +}; + +/** + * Stream + */ + +function Stream() { + EventEmitter.call(this); +} + +inherits(Stream, EventEmitter); + +Stream.prototype.pipe = function(dest, options) { + var src = this + , ondata + , onerror + , onend; + + function unbind() { + src.removeListener('data', ondata); + src.removeListener('error', onerror); + src.removeListener('end', onend); + dest.removeListener('error', onerror); + dest.removeListener('close', unbind); + } + + src.on('data', ondata = function(data) { + dest.write(data); + }); + + src.on('error', onerror = function(err) { + unbind(); + if (!this.listeners('error').length) { + throw err; + } + }); + + src.on('end', onend = function() { + dest.end(); + unbind(); + }); + + dest.on('error', onerror); + dest.on('close', unbind); + + dest.emit('pipe', src); + + return dest; +}; + +/** + * States + */ + +var normal = 0 + , escaped = 1 + , csi = 2 + , osc = 3 + , charset = 4 + , dcs = 5 + , ignore = 6 + , UDK = { type: 'udk' }; + +/** + * Terminal + */ + +function Terminal(options) { + var self = this; + + if (!(this instanceof Terminal)) { + return new Terminal(arguments[0], arguments[1], arguments[2]); + } + + Stream.call(this); + + if (typeof options === 'number') { + options = { + cols: arguments[0], + rows: arguments[1], + handler: arguments[2] + }; + } + + options = options || {}; + + each(keys(Terminal.defaults), function(key) { + if (options[key] == null) { + options[key] = Terminal.options[key]; + // Legacy: + if (Terminal[key] !== Terminal.defaults[key]) { + options[key] = Terminal[key]; + } + } + self[key] = options[key]; + }); + + if (options.colors.length === 8) { + options.colors = options.colors.concat(Terminal._colors.slice(8)); + } else if (options.colors.length === 16) { + options.colors = options.colors.concat(Terminal._colors.slice(16)); + } else if (options.colors.length === 10) { + options.colors = options.colors.slice(0, -2).concat( + Terminal._colors.slice(8, -2), options.colors.slice(-2)); + } else if (options.colors.length === 18) { + options.colors = options.colors.slice(0, -2).concat( + Terminal._colors.slice(16, -2), options.colors.slice(-2)); + } + this.colors = options.colors; + + this.options = options; + + // this.context = options.context || window; + // this.document = options.document || document; + this.parent = options.body || options.parent + || (document ? document.getElementsByTagName('body')[0] : null); + + this.cols = options.cols || options.geometry[0]; + this.rows = options.rows || options.geometry[1]; + + // Act as though we are a node TTY stream: + this.setRawMode; + this.isTTY = true; + this.isRaw = true; + this.columns = this.cols; + this.rows = this.rows; + + if (options.handler) { + this.on('data', options.handler); + } + + this.ybase = 0; + this.ydisp = 0; + this.x = 0; + this.y = 0; + this.cursorState = 0; + this.cursorHidden = false; + this.convertEol; + this.state = 0; + this.queue = ''; + this.scrollTop = 0; + this.scrollBottom = this.rows - 1; + + // modes + this.applicationKeypad = false; + this.applicationCursor = false; + this.originMode = false; + this.insertMode = false; + this.wraparoundMode = false; + this.normal = null; + + // select modes + this.prefixMode = false; + this.selectMode = false; + this.visualMode = false; + this.searchMode = false; + this.searchDown; + this.entry = ''; + this.entryPrefix = 'Search: '; + this._real; + this._selected; + this._textarea; + + // charset + this.charset = null; + this.gcharset = null; + this.glevel = 0; + this.charsets = [null]; + + // mouse properties + this.decLocator; + this.x10Mouse; + this.vt200Mouse; + this.vt300Mouse; + this.normalMouse; + this.mouseEvents; + this.sendFocus; + this.utfMouse; + this.sgrMouse; + this.urxvtMouse; + + // misc + this.element; + this.children; + this.refreshStart; + this.refreshEnd; + this.savedX; + this.savedY; + this.savedCols; + + // stream + this.readable = true; + this.writable = true; + + this.defAttr = (0 << 18) | (257 << 9) | (256 << 0); + this.curAttr = this.defAttr; + + this.params = []; + this.currentParam = 0; + this.prefix = ''; + this.postfix = ''; + + this.lines = []; + var i = this.rows; + while (i--) { + this.lines.push(this.blankLine()); + } + + this.tabs; + this.setupStops(); +} + +inherits(Terminal, Stream); + +/** + * Colors + */ + +// Colors 0-15 +Terminal.tangoColors = [ + // dark: + '#2e3436', + '#cc0000', + '#4e9a06', + '#c4a000', + '#3465a4', + '#75507b', + '#06989a', + '#d3d7cf', + // bright: + '#555753', + '#ef2929', + '#8ae234', + '#fce94f', + '#729fcf', + '#ad7fa8', + '#34e2e2', + '#eeeeec' +]; + +Terminal.xtermColors = [ + // dark: + '#000000', // black + '#cd0000', // red3 + '#00cd00', // green3 + '#cdcd00', // yellow3 + '#0000ee', // blue2 + '#cd00cd', // magenta3 + '#00cdcd', // cyan3 + '#e5e5e5', // gray90 + // bright: + '#7f7f7f', // gray50 + '#ff0000', // red + '#00ff00', // green + '#ffff00', // yellow + '#5c5cff', // rgb:5c/5c/ff + '#ff00ff', // magenta + '#00ffff', // cyan + '#ffffff' // white +]; + +// Colors 0-15 + 16-255 +// Much thanks to TooTallNate for writing this. +Terminal.colors = (function() { + var colors = Terminal.tangoColors.slice() + , r = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff] + , i; + + // 16-231 + i = 0; + for (; i < 216; i++) { + out(r[(i / 36) % 6 | 0], r[(i / 6) % 6 | 0], r[i % 6]); + } + + // 232-255 (grey) + i = 0; + for (; i < 24; i++) { + r = 8 + i * 10; + out(r, r, r); + } + + function out(r, g, b) { + colors.push('#' + hex(r) + hex(g) + hex(b)); + } + + function hex(c) { + c = c.toString(16); + return c.length < 2 ? '0' + c : c; + } + + return colors; +})(); + +// Default BG/FG +Terminal.colors[256] = '#000000'; +Terminal.colors[257] = '#f0f0f0'; + +Terminal._colors = Terminal.colors.slice(); + +Terminal.vcolors = (function() { + var out = [] + , colors = Terminal.colors + , i = 0 + , color; + + for (; i < 256; i++) { + color = parseInt(colors[i].substring(1), 16); + out.push([ + (color >> 16) & 0xff, + (color >> 8) & 0xff, + color & 0xff + ]); + } + + return out; +})(); + +/** + * Options + */ + +Terminal.defaults = { + colors: Terminal.colors, + convertEol: false, + termName: 'xterm', + geometry: [80, 24], + cursorBlink: true, + visualBell: false, + popOnBell: false, + scrollback: 1000, + screenKeys: false, + debug: false, + useStyle: false + // programFeatures: false, + // focusKeys: false, +}; + +Terminal.options = {}; + +each(keys(Terminal.defaults), function(key) { + Terminal[key] = Terminal.defaults[key]; + Terminal.options[key] = Terminal.defaults[key]; +}); + +/** + * Focused Terminal + */ + +Terminal.focus = null; + +Terminal.prototype.focus = function() { + if (Terminal.focus === this) return; + + if (Terminal.focus) { + Terminal.focus.blur(); + } + + if (this.sendFocus) this.send('\x1b[I'); + this.showCursor(); + + // try { + // this.element.focus(); + // } catch (e) { + // ; + // } + + // this.emit('focus'); + + Terminal.focus = this; +}; + +Terminal.prototype.blur = function() { + if (Terminal.focus !== this) return; + + this.cursorState = 0; + this.refresh(this.y, this.y); + if (this.sendFocus) this.send('\x1b[O'); + + // try { + // this.element.blur(); + // } catch (e) { + // ; + // } + + // this.emit('blur'); + + Terminal.focus = null; +}; + +/** + * Initialize global behavior + */ + +Terminal.prototype.initGlobal = function() { + var document = this.document; + + Terminal._boundDocs = Terminal._boundDocs || []; + if (~indexOf(Terminal._boundDocs, document)) { + return; + } + Terminal._boundDocs.push(document); + + Terminal.bindPaste(document); + + Terminal.bindKeys(document); + + Terminal.bindCopy(document); + + if (this.isMobile) { + this.fixMobile(document); + } + + if (this.useStyle) { + Terminal.insertStyle(document, this.colors[256], this.colors[257]); + } +}; + +/** + * Bind to paste event + */ + +Terminal.bindPaste = function(document) { + // This seems to work well for ctrl-V and middle-click, + // even without the contentEditable workaround. + var window = document.defaultView; + on(window, 'paste', function(ev) { + var term = Terminal.focus; + if (!term) return; + if (ev.clipboardData) { + term.send(ev.clipboardData.getData('text/plain')); + } else if (term.context.clipboardData) { + term.send(term.context.clipboardData.getData('Text')); + } + // Not necessary. Do it anyway for good measure. + term.element.contentEditable = 'inherit'; + return cancel(ev); + }); +}; + +/** + * Global Events for key handling + */ + +Terminal.bindKeys = function(document) { + // We should only need to check `target === body` below, + // but we can check everything for good measure. + on(document, 'keydown', function(ev) { + if (!Terminal.focus) return; + var target = ev.target || ev.srcElement; + if (!target) return; + if (target === Terminal.focus.element + || target === Terminal.focus.context + || target === Terminal.focus.document + || target === Terminal.focus.body + || target === Terminal._textarea + || target === Terminal.focus.parent) { + return Terminal.focus.keyDown(ev); + } + }, true); + + on(document, 'keypress', function(ev) { + if (!Terminal.focus) return; + var target = ev.target || ev.srcElement; + if (!target) return; + if (target === Terminal.focus.element + || target === Terminal.focus.context + || target === Terminal.focus.document + || target === Terminal.focus.body + || target === Terminal._textarea + || target === Terminal.focus.parent) { + return Terminal.focus.keyPress(ev); + } + }, true); + + // If we click somewhere other than a + // terminal, unfocus the terminal. + on(document, 'mousedown', function(ev) { + if (!Terminal.focus) return; + + var el = ev.target || ev.srcElement; + if (!el) return; + + do { + if (el === Terminal.focus.element) return; + } while (el = el.parentNode); + + Terminal.focus.blur(); + }); +}; + +/** + * Copy Selection w/ Ctrl-C (Select Mode) + */ + +Terminal.bindCopy = function(document) { + var window = document.defaultView; + + // if (!('onbeforecopy' in document)) { + // // Copies to *only* the clipboard. + // on(window, 'copy', function fn(ev) { + // var term = Terminal.focus; + // if (!term) return; + // if (!term._selected) return; + // var text = term.grabText( + // term._selected.x1, term._selected.x2, + // term._selected.y1, term._selected.y2); + // term.emit('copy', text); + // ev.clipboardData.setData('text/plain', text); + // }); + // return; + // } + + // Copies to primary selection *and* clipboard. + // NOTE: This may work better on capture phase, + // or using the `beforecopy` event. + on(window, 'copy', function(ev) { + var term = Terminal.focus; + if (!term) return; + if (!term._selected) return; + var textarea = term.getCopyTextarea(); + var text = term.grabText( + term._selected.x1, term._selected.x2, + term._selected.y1, term._selected.y2); + term.emit('copy', text); + textarea.focus(); + textarea.textContent = text; + textarea.value = text; + textarea.setSelectionRange(0, text.length); + setTimeout(function() { + term.element.focus(); + term.focus(); + }, 1); + }); +}; + +/** + * Fix Mobile + */ + +Terminal.prototype.fixMobile = function(document) { + var self = this; + + var textarea = document.createElement('textarea'); + textarea.style.position = 'absolute'; + textarea.style.left = '-32000px'; + textarea.style.top = '-32000px'; + textarea.style.width = '0px'; + textarea.style.height = '0px'; + textarea.style.opacity = '0'; + textarea.style.backgroundColor = 'transparent'; + textarea.style.borderStyle = 'none'; + textarea.style.outlineStyle = 'none'; + textarea.autocapitalize = 'none'; + textarea.autocorrect = 'off'; + + document.getElementsByTagName('body')[0].appendChild(textarea); + + Terminal._textarea = textarea; + + setTimeout(function() { + textarea.focus(); + }, 1000); + + if (this.isAndroid) { + on(textarea, 'change', function() { + var value = textarea.textContent || textarea.value; + textarea.value = ''; + textarea.textContent = ''; + self.send(value + '\r'); + }); + } +}; + +/** + * Insert a default style + */ + +Terminal.insertStyle = function(document, bg, fg) { + var style = document.getElementById('term-style'); + if (style) return; + + var head = document.getElementsByTagName('head')[0]; + if (!head) return; + + var style = document.createElement('style'); + style.id = 'term-style'; + + // textContent doesn't work well with IE for <style> elements. + style.innerHTML = '' + + '.terminal {\n' + + ' float: left;\n' + + ' border: ' + bg + ' solid 5px;\n' + + ' font-family: "DejaVu Sans Mono", "Liberation Mono", monospace;\n' + + ' font-size: 11px;\n' + + ' color: ' + fg + ';\n' + + ' background: ' + bg + ';\n' + + '}\n' + + '\n' + + '.terminal-cursor {\n' + + ' color: ' + bg + ';\n' + + ' background: ' + fg + ';\n' + + '}\n'; + + // var out = ''; + // each(Terminal.colors, function(color, i) { + // if (i === 256) { + // out += '\n.term-bg-color-default { background-color: ' + color + '; }'; + // } + // if (i === 257) { + // out += '\n.term-fg-color-default { color: ' + color + '; }'; + // } + // out += '\n.term-bg-color-' + i + ' { background-color: ' + color + '; }'; + // out += '\n.term-fg-color-' + i + ' { color: ' + color + '; }'; + // }); + // style.innerHTML += out + '\n'; + + head.insertBefore(style, head.firstChild); +}; + +/** + * Open Terminal + */ + +Terminal.prototype.open = function(parent) { + var self = this + , i = 0 + , div; + + this.parent = parent || this.parent; + + if (!this.parent) { + throw new Error('Terminal requires a parent element.'); + } + + // Grab global elements. + this.context = this.parent.ownerDocument.defaultView; + this.document = this.parent.ownerDocument; + this.body = this.document.getElementsByTagName('body')[0]; + + // Parse user-agent strings. + if (this.context.navigator && this.context.navigator.userAgent) { + this.isMac = !!~this.context.navigator.userAgent.indexOf('Mac'); + this.isIpad = !!~this.context.navigator.userAgent.indexOf('iPad'); + this.isIphone = !!~this.context.navigator.userAgent.indexOf('iPhone'); + this.isAndroid = !!~this.context.navigator.userAgent.indexOf('Android'); + this.isMobile = this.isIpad || this.isIphone || this.isAndroid; + this.isMSIE = !!~this.context.navigator.userAgent.indexOf('MSIE'); + } + + // Create our main terminal element. + this.element = this.document.createElement('div'); + this.element.className = 'terminal'; + this.element.style.outline = 'none'; + this.element.setAttribute('tabindex', 0); + this.element.setAttribute('spellcheck', 'false'); + this.element.style.backgroundColor = this.colors[256]; + this.element.style.color = this.colors[257]; + + // Create the lines for our terminal. + this.children = []; + for (; i < this.rows; i++) { + div = this.document.createElement('div'); + this.element.appendChild(div); + this.children.push(div); + } + this.parent.appendChild(this.element); + + // Draw the screen. + this.refresh(0, this.rows - 1); + + if (!('useEvents' in this.options) || this.options.useEvents) { + // Initialize global actions that + // need to be taken on the document. + this.initGlobal(); + } + + if (!('useFocus' in this.options) || this.options.useFocus) { + // Ensure there is a Terminal.focus. + this.focus(); + + // Start blinking the cursor. + this.startBlink(); + + // Bind to DOM events related + // to focus and paste behavior. + on(this.element, 'focus', function() { + self.focus(); + if (self.isMobile) { + Terminal._textarea.focus(); + } + }); + + // This causes slightly funky behavior. + // on(this.element, 'blur', function() { + // self.blur(); + // }); + + on(this.element, 'mousedown', function() { + self.focus(); + }); + + // Clickable paste workaround, using contentEditable. + // This probably shouldn't work, + // ... but it does. Firefox's paste + // event seems to only work for textareas? + on(this.element, 'mousedown', function(ev) { + var button = ev.button != null + ? +ev.button + : ev.which != null + ? ev.which - 1 + : null; + + // Does IE9 do this? + if (self.isMSIE) { + button = button === 1 ? 0 : button === 4 ? 1 : button; + } + + if (button !== 2) return; + + self.element.contentEditable = 'true'; + setTimeout(function() { + self.element.contentEditable = 'inherit'; // 'false'; + }, 1); + }, true); + } + + if (!('useMouse' in this.options) || this.options.useMouse) { + // Listen for mouse events and translate + // them into terminal mouse protocols. + this.bindMouse(); + } + + // this.emit('open'); + + if (!('useFocus' in this.options) || this.options.useFocus) { + // This can be useful for pasting, + // as well as the iPad fix. + setTimeout(function() { + self.element.focus(); + }, 100); + } + + // Figure out whether boldness affects + // the character width of monospace fonts. + if (Terminal.brokenBold == null) { + Terminal.brokenBold = isBoldBroken(this.document); + } + + this.emit('open'); +}; + +Terminal.prototype.setRawMode = function(value) { + this.isRaw = !!value; +}; + +// XTerm mouse events +// http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#Mouse%20Tracking +// To better understand these +// the xterm code is very helpful: +// Relevant files: +// button.c, charproc.c, misc.c +// Relevant functions in xterm/button.c: +// BtnCode, EmitButtonCode, EditorButton, SendMousePosition +Terminal.prototype.bindMouse = function() { + var el = this.element + , self = this + , pressed = 32; + + var wheelEvent = 'onmousewheel' in this.context + ? 'mousewheel' + : 'DOMMouseScroll'; + + // mouseup, mousedown, mousewheel + // left click: ^[[M 3<^[[M#3< + // mousewheel up: ^[[M`3> + function sendButton(ev) { + var button + , pos; + + // get the xterm-style button + button = getButton(ev); + + // get mouse coordinates + pos = getCoords(ev); + if (!pos) return; + + sendEvent(button, pos); + + switch (ev.type) { + case 'mousedown': + pressed = button; + break; + case 'mouseup': + // keep it at the left + // button, just in case. + pressed = 32; + break; + case wheelEvent: + // nothing. don't + // interfere with + // `pressed`. + break; + } + } + + // motion example of a left click: + // ^[[M 3<^[[M@4<^[[M@5<^[[M@6<^[[M@7<^[[M#7< + function sendMove(ev) { + var button = pressed + , pos; + + pos = getCoords(ev); + if (!pos) return; + + // buttons marked as motions + // are incremented by 32 + button += 32; + + sendEvent(button, pos); + } + + // encode button and + // position to characters + function encode(data, ch) { + if (!self.utfMouse) { + if (ch === 255) return data.push(0); + if (ch > 127) ch = 127; + data.push(ch); + } else { + if (ch === 2047) return data.push(0); + if (ch < 127) { + data.push(ch); + } else { + if (ch > 2047) ch = 2047; + data.push(0xC0 | (ch >> 6)); + data.push(0x80 | (ch & 0x3F)); + } + } + } + + // send a mouse event: + // regular/utf8: ^[[M Cb Cx Cy + // urxvt: ^[[ Cb ; Cx ; Cy M + // sgr: ^[[ Cb ; Cx ; Cy M/m + // vt300: ^[[ 24(1/3/5)~ [ Cx , Cy ] \r + // locator: CSI P e ; P b ; P r ; P c ; P p & w + function sendEvent(button, pos) { + // self.emit('mouse', { + // x: pos.x - 32, + // y: pos.x - 32, + // button: button + // }); + + if (self.vt300Mouse) { + // NOTE: Unstable. + // http://www.vt100.net/docs/vt3xx-gp/chapter15.html + button &= 3; + pos.x -= 32; + pos.y -= 32; + var data = '\x1b[24'; + if (button === 0) data += '1'; + else if (button === 1) data += '3'; + else if (button === 2) data += '5'; + else if (button === 3) return; + else data += '0'; + data += '~[' + pos.x + ',' + pos.y + ']\r'; + self.send(data); + return; + } + + if (self.decLocator) { + // NOTE: Unstable. + button &= 3; + pos.x -= 32; + pos.y -= 32; + if (button === 0) button = 2; + else if (button === 1) button = 4; + else if (button === 2) button = 6; + else if (button === 3) button = 3; + self.send('\x1b[' + + button + + ';' + + (button === 3 ? 4 : 0) + + ';' + + pos.y + + ';' + + pos.x + + ';' + + (pos.page || 0) + + '&w'); + return; + } + + if (self.urxvtMouse) { + pos.x -= 32; + pos.y -= 32; + pos.x++; + pos.y++; + self.send('\x1b[' + button + ';' + pos.x + ';' + pos.y + 'M'); + return; + } + + if (self.sgrMouse) { + pos.x -= 32; + pos.y -= 32; + self.send('\x1b[<' + + ((button & 3) === 3 ? button & ~3 : button) + + ';' + + pos.x + + ';' + + pos.y + + ((button & 3) === 3 ? 'm' : 'M')); + return; + } + + var data = []; + + encode(data, button); + encode(data, pos.x); + encode(data, pos.y); + + self.send('\x1b[M' + String.fromCharCode.apply(String, data)); + } + + function getButton(ev) { + var button + , shift + , meta + , ctrl + , mod; + + // two low bits: + // 0 = left + // 1 = middle + // 2 = right + // 3 = release + // wheel up/down: + // 1, and 2 - with 64 added + switch (ev.type) { + case 'mousedown': + button = ev.button != null + ? +ev.button + : ev.which != null + ? ev.which - 1 + : null; + + if (self.isMSIE) { + button = button === 1 ? 0 : button === 4 ? 1 : button; + } + break; + case 'mouseup': + button = 3; + break; + case 'DOMMouseScroll': + button = ev.detail < 0 + ? 64 + : 65; + break; + case 'mousewheel': + button = ev.wheelDeltaY > 0 + ? 64 + : 65; + break; + } + + // next three bits are the modifiers: + // 4 = shift, 8 = meta, 16 = control + shift = ev.shiftKey ? 4 : 0; + meta = ev.metaKey ? 8 : 0; + ctrl = ev.ctrlKey ? 16 : 0; + mod = shift | meta | ctrl; + + // no mods + if (self.vt200Mouse) { + // ctrl only + mod &= ctrl; + } else if (!self.normalMouse) { + mod = 0; + } + + // increment to SP + button = (32 + (mod << 2)) + button; + + return button; + } + + // mouse coordinates measured in cols/rows + function getCoords(ev) { + var x, y, w, h, el; + + // ignore browsers without pageX for now + if (ev.pageX == null) return; + + x = ev.pageX; + y = ev.pageY; + el = self.element; + + // should probably check offsetParent + // but this is more portable + while (el && el !== self.document.documentElement) { + x -= el.offsetLeft; + y -= el.offsetTop; + el = 'offsetParent' in el + ? el.offsetParent + : el.parentNode; + } + + // convert to cols/rows + w = self.element.clientWidth; + h = self.element.clientHeight; + x = Math.round((x / w) * self.cols); + y = Math.round((y / h) * self.rows); + + // be sure to avoid sending + // bad positions to the program + if (x < 0) x = 0; + if (x > self.cols) x = self.cols; + if (y < 0) y = 0; + if (y > self.rows) y = self.rows; + + // xterm sends raw bytes and + // starts at 32 (SP) for each. + x += 32; + y += 32; + + return { + x: x, + y: y, + type: ev.type === wheelEvent + ? 'mousewheel' + : ev.type + }; + } + + on(el, 'mousedown', function(ev) { + if (!self.mouseEvents) return; + + // send the button + sendButton(ev); + + // ensure focus + self.focus(); + + // fix for odd bug + //if (self.vt200Mouse && !self.normalMouse) { + // XXX This seems to break certain programs. + // if (self.vt200Mouse) { + // sendButton({ __proto__: ev, type: 'mouseup' }); + // return cancel(ev); + // } + + // bind events + if (self.normalMouse) on(self.document, 'mousemove', sendMove); + + // x10 compatibility mode can't send button releases + if (!self.x10Mouse) { + on(self.document, 'mouseup', function up(ev) { + sendButton(ev); + if (self.normalMouse) off(self.document, 'mousemove', sendMove); + off(self.document, 'mouseup', up); + return cancel(ev); + }); + } + + return cancel(ev); + }); + + //if (self.normalMouse) { + // on(self.document, 'mousemove', sendMove); + //} + + on(el, wheelEvent, function(ev) { + if (!self.mouseEvents) return; + if (self.x10Mouse + || self.vt300Mouse + || self.decLocator) return; + sendButton(ev); + return cancel(ev); + }); + + // allow mousewheel scrolling in + // the shell for example + on(el, wheelEvent, function(ev) { + if (self.mouseEvents) return; + if (self.applicationKeypad) return; + if (ev.type === 'DOMMouseScroll') { + self.scrollDisp(ev.detail < 0 ? -5 : 5); + } else { + self.scrollDisp(ev.wheelDeltaY > 0 ? -5 : 5); + } + return cancel(ev); + }); +}; + +/** + * Destroy Terminal + */ + +Terminal.prototype.close = +Terminal.prototype.destroySoon = +Terminal.prototype.destroy = function() { + if (this.destroyed) { + return; + } + + if (this._blink) { + clearInterval(this._blink); + delete this._blink; + } + + this.readable = false; + this.writable = false; + this.destroyed = true; + this._events = {}; + + this.handler = function() {}; + this.write = function() {}; + this.end = function() {}; + + if (this.element.parentNode) { + this.element.parentNode.removeChild(this.element); + } + + this.emit('end'); + this.emit('close'); + this.emit('finish'); + this.emit('destroy'); +}; + +/** + * Rendering Engine + */ + +// In the screen buffer, each character +// is stored as a an array with a character +// and a 32-bit integer. +// First value: a utf-16 character. +// Second value: +// Next 9 bits: background color (0-511). +// Next 9 bits: foreground color (0-511). +// Next 14 bits: a mask for misc. flags: +// 1=bold, 2=underline, 4=blink, 8=inverse, 16=invisible + +Terminal.prototype.refresh = function(start, end) { + var x + , y + , i + , line + , out + , ch + , width + , data + , attr + , bg + , fg + , flags + , row + , parent; + + if (end - start >= this.rows / 2) { + parent = this.element.parentNode; + if (parent) parent.removeChild(this.element); + } + + width = this.cols; + y = start; + + if (end >= this.lines.length) { + this.log('`end` is too large. Most likely a bad CSR.'); + end = this.lines.length - 1; + } + + for (; y <= end; y++) { + row = y + this.ydisp; + + line = this.lines[row]; + out = ''; + + if (y === this.y + && this.cursorState + && (this.ydisp === this.ybase || this.selectMode) + && !this.cursorHidden) { + x = this.x; + } else { + x = -1; + } + + attr = this.defAttr; + i = 0; + + for (; i < width; i++) { + data = line[i][0]; + ch = line[i][1]; + + if (i === x) data = -1; + + if (data !== attr) { + if (attr !== this.defAttr) { + out += '</span>'; + } + if (data !== this.defAttr) { + if (data === -1) { + out += '<span class="reverse-video terminal-cursor">'; + } else { + out += '<span style="'; + + bg = data & 0x1ff; + fg = (data >> 9) & 0x1ff; + flags = data >> 18; + + // bold + if (flags & 1) { + if (!Terminal.brokenBold) { + out += 'font-weight:bold;'; + } + // See: XTerm*boldColors + if (fg < 8) fg += 8; + } + + // underline + if (flags & 2) { + out += 'text-decoration:underline;'; + } + + // blink + if (flags & 4) { + if (flags & 2) { + out = out.slice(0, -1); + out += ' blink;'; + } else { + out += 'text-decoration:blink;'; + } + } + + // inverse + if (flags & 8) { + bg = (data >> 9) & 0x1ff; + fg = data & 0x1ff; + // Should inverse just be before the + // above boldColors effect instead? + if ((flags & 1) && fg < 8) fg += 8; + } + + // invisible + if (flags & 16) { + out += 'visibility:hidden;'; + } + + // out += '" class="' + // + 'term-bg-color-' + bg + // + ' ' + // + 'term-fg-color-' + fg + // + '">'; + + if (bg !== 256) { + out += 'background-color:' + + this.colors[bg] + + ';'; + } + + if (fg !== 257) { + out += 'color:' + + this.colors[fg] + + ';'; + } + + out += '">'; + } + } + } + + switch (ch) { + case '&': + out += '&amp;'; + break; + case '<': + out += '&lt;'; + break; + case '>': + out += '&gt;'; + break; + default: + if (ch <= ' ') { + out += '&nbsp;'; + } else { + if (isWide(ch)) i++; + out += ch; + } + break; + } + + attr = data; + } + + if (attr !== this.defAttr) { + out += '</span>'; + } + + this.children[y].innerHTML = out; + } + + if (parent) parent.appendChild(this.element); +}; + +Terminal.prototype._cursorBlink = function() { + if (Terminal.focus !== this) return; + this.cursorState ^= 1; + this.refresh(this.y, this.y); +}; + +Terminal.prototype.showCursor = function() { + if (!this.cursorState) { + this.cursorState = 1; + this.refresh(this.y, this.y); + } else { + // Temporarily disabled: + // this.refreshBlink(); + } +}; + +Terminal.prototype.startBlink = function() { + if (!this.cursorBlink) return; + var self = this; + this._blinker = function() { + self._cursorBlink(); + }; + this._blink = setInterval(this._blinker, 500); +}; + +Terminal.prototype.refreshBlink = function() { + if (!this.cursorBlink || !this._blink) return; + clearInterval(this._blink); + this._blink = setInterval(this._blinker, 500); +}; + +Terminal.prototype.scroll = function() { + var row; + + if (++this.ybase === this.scrollback) { + this.ybase = this.ybase / 2 | 0; + this.lines = this.lines.slice(-(this.ybase + this.rows) + 1); + } + + this.ydisp = this.ybase; + + // last line + row = this.ybase + this.rows - 1; + + // subtract the bottom scroll region + row -= this.rows - 1 - this.scrollBottom; + + if (row === this.lines.length) { + // potential optimization: + // pushing is faster than splicing + // when they amount to the same + // behavior. + this.lines.push(this.blankLine()); + } else { + // add our new line + this.lines.splice(row, 0, this.blankLine()); + } + + if (this.scrollTop !== 0) { + if (this.ybase !== 0) { + this.ybase--; + this.ydisp = this.ybase; + } + this.lines.splice(this.ybase + this.scrollTop, 1); + } + + // this.maxRange(); + this.updateRange(this.scrollTop); + this.updateRange(this.scrollBottom); +}; + +Terminal.prototype.scrollDisp = function(disp) { + this.ydisp += disp; + + if (this.ydisp > this.ybase) { + this.ydisp = this.ybase; + } else if (this.ydisp < 0) { + this.ydisp = 0; + } + + this.refresh(0, this.rows - 1); +}; + +Terminal.prototype.write = function(data) { + var l = data.length + , i = 0 + , j + , cs + , ch; + + this.refreshStart = this.y; + this.refreshEnd = this.y; + + if (this.ybase !== this.ydisp) { + this.ydisp = this.ybase; + this.maxRange(); + } + + // this.log(JSON.stringify(data.replace(/\x1b/g, '^['))); + + for (; i < l; i++, this.lch = ch) { + ch = data[i]; + switch (this.state) { + case normal: + switch (ch) { + // '\0' + // case '\0': + // case '\200': + // break; + + // '\a' + case '\x07': + this.bell(); + break; + + // '\n', '\v', '\f' + case '\n': + case '\x0b': + case '\x0c': + if (this.convertEol) { + this.x = 0; + } + // TODO: Implement eat_newline_glitch. + // if (this.realX >= this.cols) break; + // this.realX = 0; + this.y++; + if (this.y > this.scrollBottom) { + this.y--; + this.scroll(); + } + break; + + // '\r' + case '\r': + this.x = 0; + break; + + // '\b' + case '\x08': + if (this.x > 0) { + this.x--; + } + break; + + // '\t' + case '\t': + this.x = this.nextStop(); + break; + + // shift out + case '\x0e': + this.setgLevel(1); + break; + + // shift in + case '\x0f': + this.setgLevel(0); + break; + + // '\e' + case '\x1b': + this.state = escaped; + break; + + default: + // ' ' + if (ch >= ' ') { + if (this.charset && this.charset[ch]) { + ch = this.charset[ch]; + } + + if (this.x >= this.cols) { + this.x = 0; + this.y++; + if (this.y > this.scrollBottom) { + this.y--; + this.scroll(); + } + } + + this.lines[this.y + this.ybase][this.x] = [this.curAttr, ch]; + this.x++; + this.updateRange(this.y); + + if (isWide(ch)) { + j = this.y + this.ybase; + if (this.cols < 2 || this.x >= this.cols) { + this.lines[j][this.x - 1] = [this.curAttr, ' ']; + break; + } + this.lines[j][this.x] = [this.curAttr, ' ']; + this.x++; + } + } + break; + } + break; + case escaped: + switch (ch) { + // ESC [ Control Sequence Introducer ( CSI is 0x9b). + case '[': + this.params = []; + this.currentParam = 0; + this.state = csi; + break; + + // ESC ] Operating System Command ( OSC is 0x9d). + case ']': + this.params = []; + this.currentParam = 0; + this.state = osc; + break; + + // ESC P Device Control String ( DCS is 0x90). + case 'P': + this.params = []; + this.prefix = ''; + this.currentParam = ''; + this.state = dcs; + break; + + // ESC _ Application Program Command ( APC is 0x9f). + case '_': + this.state = ignore; + break; + + // ESC ^ Privacy Message ( PM is 0x9e). + case '^': + this.state = ignore; + break; + + // ESC c Full Reset (RIS). + case 'c': + this.reset(); + break; + + // ESC E Next Line ( NEL is 0x85). + // ESC D Index ( IND is 0x84). + case 'E': + this.x = 0; + ; + case 'D': + this.index(); + break; + + // ESC M Reverse Index ( RI is 0x8d). + case 'M': + this.reverseIndex(); + break; + + // ESC % Select default/utf-8 character set. + // @ = default, G = utf-8 + case '%': + //this.charset = null; + this.setgLevel(0); + this.setgCharset(0, Terminal.charsets.US); + this.state = normal; + i++; + break; + + // ESC (,),*,+,-,. Designate G0-G2 Character Set. + case '(': // <-- this seems to get all the attention + case ')': + case '*': + case '+': + case '-': + case '.': + switch (ch) { + case '(': + this.gcharset = 0; + break; + case ')': + this.gcharset = 1; + break; + case '*': + this.gcharset = 2; + break; + case '+': + this.gcharset = 3; + break; + case '-': + this.gcharset = 1; + break; + case '.': + this.gcharset = 2; + break; + } + this.state = charset; + break; + + // Designate G3 Character Set (VT300). + // A = ISO Latin-1 Supplemental. + // Not implemented. + case '/': + this.gcharset = 3; + this.state = charset; + i--; + break; + + // ESC N + // Single Shift Select of G2 Character Set + // ( SS2 is 0x8e). This affects next character only. + case 'N': + break; + // ESC O + // Single Shift Select of G3 Character Set + // ( SS3 is 0x8f). This affects next character only. + case 'O': + break; + // ESC n + // Invoke the G2 Character Set as GL (LS2). + case 'n': + this.setgLevel(2); + break; + // ESC o + // Invoke the G3 Character Set as GL (LS3). + case 'o': + this.setgLevel(3); + break; + // ESC | + // Invoke the G3 Character Set as GR (LS3R). + case '|': + this.setgLevel(3); + break; + // ESC } + // Invoke the G2 Character Set as GR (LS2R). + case '}': + this.setgLevel(2); + break; + // ESC ~ + // Invoke the G1 Character Set as GR (LS1R). + case '~': + this.setgLevel(1); + break; + + // ESC 7 Save Cursor (DECSC). + case '7': + this.saveCursor(); + this.state = normal; + break; + + // ESC 8 Restore Cursor (DECRC). + case '8': + this.restoreCursor(); + this.state = normal; + break; + + // ESC # 3 DEC line height/width + case '#': + this.state = normal; + i++; + break; + + // ESC H Tab Set (HTS is 0x88). + case 'H': + this.tabSet(); + break; + + // ESC = Application Keypad (DECPAM). + case '=': + this.log('Serial port requested application keypad.'); + this.applicationKeypad = true; + this.state = normal; + break; + + // ESC > Normal Keypad (DECPNM). + case '>': + this.log('Switching back to normal keypad.'); + this.applicationKeypad = false; + this.state = normal; + break; + + default: + this.state = normal; + this.error('Unknown ESC control: %s.', ch); + break; + } + break; + + case charset: + switch (ch) { + case '0': // DEC Special Character and Line Drawing Set. + cs = Terminal.charsets.SCLD; + break; + case 'A': // UK + cs = Terminal.charsets.UK; + break; + case 'B': // United States (USASCII). + cs = Terminal.charsets.US; + break; + case '4': // Dutch + cs = Terminal.charsets.Dutch; + break; + case 'C': // Finnish + case '5': + cs = Terminal.charsets.Finnish; + break; + case 'R': // French + cs = Terminal.charsets.French; + break; + case 'Q': // FrenchCanadian + cs = Terminal.charsets.FrenchCanadian; + break; + case 'K': // German + cs = Terminal.charsets.German; + break; + case 'Y': // Italian + cs = Terminal.charsets.Italian; + break; + case 'E': // NorwegianDanish + case '6': + cs = Terminal.charsets.NorwegianDanish; + break; + case 'Z': // Spanish + cs = Terminal.charsets.Spanish; + break; + case 'H': // Swedish + case '7': + cs = Terminal.charsets.Swedish; + break; + case '=': // Swiss + cs = Terminal.charsets.Swiss; + break; + case '/': // ISOLatin (actually /A) + cs = Terminal.charsets.ISOLatin; + i++; + break; + default: // Default + cs = Terminal.charsets.US; + break; + } + this.setgCharset(this.gcharset, cs); + this.gcharset = null; + this.state = normal; + break; + + case osc: + // OSC Ps ; Pt ST + // OSC Ps ; Pt BEL + // Set Text Parameters. + if ((this.lch === '\x1b' && ch === '\\') || ch === '\x07') { + if (this.lch === '\x1b') { + if (typeof this.currentParam === 'string') { + this.currentParam = this.currentParam.slice(0, -1); + } else if (typeof this.currentParam == 'number') { + this.currentParam = (this.currentParam - ('\x1b'.charCodeAt(0) - 48)) / 10; + } + } + + this.params.push(this.currentParam); + + switch (this.params[0]) { + case 0: + case 1: + case 2: + if (this.params[1]) { + this.title = this.params[1]; + this.handleTitle(this.title); + } + break; + case 3: + // set X property + break; + case 4: + case 5: + // change dynamic colors + break; + case 10: + case 11: + case 12: + case 13: + case 14: + case 15: + case 16: + case 17: + case 18: + case 19: + // change dynamic ui colors + break; + case 46: + // change log file + break; + case 50: + // dynamic font + break; + case 51: + // emacs shell + break; + case 52: + // manipulate selection data + break; + case 104: + case 105: + case 110: + case 111: + case 112: + case 113: + case 114: + case 115: + case 116: + case 117: + case 118: + // reset colors + break; + } + + this.params = []; + this.currentParam = 0; + this.state = normal; + } else { + if (!this.params.length) { + if (ch >= '0' && ch <= '9') { + this.currentParam = + this.currentParam * 10 + ch.charCodeAt(0) - 48; + } else if (ch === ';') { + this.params.push(this.currentParam); + this.currentParam = ''; + } + } else { + this.currentParam += ch; + } + } + break; + + case csi: + // '?', '>', '!' + if (ch === '?' || ch === '>' || ch === '!') { + this.prefix = ch; + break; + } + + // 0 - 9 + if (ch >= '0' && ch <= '9') { + this.currentParam = this.currentParam * 10 + ch.charCodeAt(0) - 48; + break; + } + + // '$', '"', ' ', '\'' + if (ch === '$' || ch === '"' || ch === ' ' || ch === '\'') { + this.postfix = ch; + break; + } + + this.params.push(this.currentParam); + this.currentParam = 0; + + // ';' + if (ch === ';') break; + + this.state = normal; + + switch (ch) { + // CSI Ps A + // Cursor Up Ps Times (default = 1) (CUU). + case 'A': + this.cursorUp(this.params); + break; + + // CSI Ps B + // Cursor Down Ps Times (default = 1) (CUD). + case 'B': + this.cursorDown(this.params); + break; + + // CSI Ps C + // Cursor Forward Ps Times (default = 1) (CUF). + case 'C': + this.cursorForward(this.params); + break; + + // CSI Ps D + // Cursor Backward Ps Times (default = 1) (CUB). + case 'D': + this.cursorBackward(this.params); + break; + + // CSI Ps ; Ps H + // Cursor Position [row;column] (default = [1,1]) (CUP). + case 'H': + this.cursorPos(this.params); + break; + + // CSI Ps J Erase in Display (ED). + case 'J': + this.eraseInDisplay(this.params); + break; + + // CSI Ps K Erase in Line (EL). + case 'K': + this.eraseInLine(this.params); + break; + + // CSI Pm m Character Attributes (SGR). + case 'm': + if (!this.prefix) { + this.charAttributes(this.params); + } + break; + + // CSI Ps n Device Status Report (DSR). + case 'n': + if (!this.prefix) { + this.deviceStatus(this.params); + } + break; + + /** + * Additions + */ + + // CSI Ps @ + // Insert Ps (Blank) Character(s) (default = 1) (ICH). + case '@': + this.insertChars(this.params); + break; + + // CSI Ps E + // Cursor Next Line Ps Times (default = 1) (CNL). + case 'E': + this.cursorNextLine(this.params); + break; + + // CSI Ps F + // Cursor Preceding Line Ps Times (default = 1) (CNL). + case 'F': + this.cursorPrecedingLine(this.params); + break; + + // CSI Ps G + // Cursor Character Absolute [column] (default = [row,1]) (CHA). + case 'G': + this.cursorCharAbsolute(this.params); + break; + + // CSI Ps L + // Insert Ps Line(s) (default = 1) (IL). + case 'L': + this.insertLines(this.params); + break; + + // CSI Ps M + // Delete Ps Line(s) (default = 1) (DL). + case 'M': + this.deleteLines(this.params); + break; + + // CSI Ps P + // Delete Ps Character(s) (default = 1) (DCH). + case 'P': + this.deleteChars(this.params); + break; + + // CSI Ps X + // Erase Ps Character(s) (default = 1) (ECH). + case 'X': + this.eraseChars(this.params); + break; + + // CSI Pm ` Character Position Absolute + // [column] (default = [row,1]) (HPA). + case '`': + this.charPosAbsolute(this.params); + break; + + // 141 61 a * HPR - + // Horizontal Position Relative + case 'a': + this.HPositionRelative(this.params); + break; + + // CSI P s c + // Send Device Attributes (Primary DA). + // CSI > P s c + // Send Device Attributes (Secondary DA) + case 'c': + this.sendDeviceAttributes(this.params); + break; + + // CSI Pm d + // Line Position Absolute [row] (default = [1,column]) (VPA). + case 'd': + this.linePosAbsolute(this.params); + break; + + // 145 65 e * VPR - Vertical Position Relative + case 'e': + this.VPositionRelative(this.params); + break; + + // CSI Ps ; Ps f + // Horizontal and Vertical Position [row;column] (default = + // [1,1]) (HVP). + case 'f': + this.HVPosition(this.params); + break; + + // CSI Pm h Set Mode (SM). + // CSI ? Pm h - mouse escape codes, cursor escape codes + case 'h': + this.setMode(this.params); + break; + + // CSI Pm l Reset Mode (RM). + // CSI ? Pm l + case 'l': + this.resetMode(this.params); + break; + + // CSI Ps ; Ps r + // Set Scrolling Region [top;bottom] (default = full size of win- + // dow) (DECSTBM). + // CSI ? Pm r + case 'r': + this.setScrollRegion(this.params); + break; + + // CSI s + // Save cursor (ANSI.SYS). + case 's': + this.saveCursor(this.params); + break; + + // CSI u + // Restore cursor (ANSI.SYS). + case 'u': + this.restoreCursor(this.params); + break; + + /** + * Lesser Used + */ + + // CSI Ps I + // Cursor Forward Tabulation Ps tab stops (default = 1) (CHT). + case 'I': + this.cursorForwardTab(this.params); + break; + + // CSI Ps S Scroll up Ps lines (default = 1) (SU). + case 'S': + this.scrollUp(this.params); + break; + + // CSI Ps T Scroll down Ps lines (default = 1) (SD). + // CSI Ps ; Ps ; Ps ; Ps ; Ps T + // CSI > Ps; Ps T + case 'T': + // if (this.prefix === '>') { + // this.resetTitleModes(this.params); + // break; + // } + // if (this.params.length > 2) { + // this.initMouseTracking(this.params); + // break; + // } + if (this.params.length < 2 && !this.prefix) { + this.scrollDown(this.params); + } + break; + + // CSI Ps Z + // Cursor Backward Tabulation Ps tab stops (default = 1) (CBT). + case 'Z': + this.cursorBackwardTab(this.params); + break; + + // CSI Ps b Repeat the preceding graphic character Ps times (REP). + case 'b': + this.repeatPrecedingCharacter(this.params); + break; + + // CSI Ps g Tab Clear (TBC). + case 'g': + this.tabClear(this.params); + break; + + // CSI Pm i Media Copy (MC). + // CSI ? Pm i + // case 'i': + // this.mediaCopy(this.params); + // break; + + // CSI Pm m Character Attributes (SGR). + // CSI > Ps; Ps m + // case 'm': // duplicate + // if (this.prefix === '>') { + // this.setResources(this.params); + // } else { + // this.charAttributes(this.params); + // } + // break; + + // CSI Ps n Device Status Report (DSR). + // CSI > Ps n + // case 'n': // duplicate + // if (this.prefix === '>') { + // this.disableModifiers(this.params); + // } else { + // this.deviceStatus(this.params); + // } + // break; + + // CSI > Ps p Set pointer mode. + // CSI ! p Soft terminal reset (DECSTR). + // CSI Ps$ p + // Request ANSI mode (DECRQM). + // CSI ? Ps$ p + // Request DEC private mode (DECRQM). + // CSI Ps ; Ps " p + case 'p': + switch (this.prefix) { + // case '>': + // this.setPointerMode(this.params); + // break; + case '!': + this.softReset(this.params); + break; + // case '?': + // if (this.postfix === '$') { + // this.requestPrivateMode(this.params); + // } + // break; + // default: + // if (this.postfix === '"') { + // this.setConformanceLevel(this.params); + // } else if (this.postfix === '$') { + // this.requestAnsiMode(this.params); + // } + // break; + } + break; + + // CSI Ps q Load LEDs (DECLL). + // CSI Ps SP q + // CSI Ps " q + // case 'q': + // if (this.postfix === ' ') { + // this.setCursorStyle(this.params); + // break; + // } + // if (this.postfix === '"') { + // this.setCharProtectionAttr(this.params); + // break; + // } + // this.loadLEDs(this.params); + // break; + + // CSI Ps ; Ps r + // Set Scrolling Region [top;bottom] (default = full size of win- + // dow) (DECSTBM). + // CSI ? Pm r + // CSI Pt; Pl; Pb; Pr; Ps$ r + // case 'r': // duplicate + // if (this.prefix === '?') { + // this.restorePrivateValues(this.params); + // } else if (this.postfix === '$') { + // this.setAttrInRectangle(this.params); + // } else { + // this.setScrollRegion(this.params); + // } + // break; + + // CSI s Save cursor (ANSI.SYS). + // CSI ? Pm s + // case 's': // duplicate + // if (this.prefix === '?') { + // this.savePrivateValues(this.params); + // } else { + // this.saveCursor(this.params); + // } + // break; + + // CSI Ps ; Ps ; Ps t + // CSI Pt; Pl; Pb; Pr; Ps$ t + // CSI > Ps; Ps t + // CSI Ps SP t + // case 't': + // if (this.postfix === '$') { + // this.reverseAttrInRectangle(this.params); + // } else if (this.postfix === ' ') { + // this.setWarningBellVolume(this.params); + // } else { + // if (this.prefix === '>') { + // this.setTitleModeFeature(this.params); + // } else { + // this.manipulateWindow(this.params); + // } + // } + // break; + + // CSI u Restore cursor (ANSI.SYS). + // CSI Ps SP u + // case 'u': // duplicate + // if (this.postfix === ' ') { + // this.setMarginBellVolume(this.params); + // } else { + // this.restoreCursor(this.params); + // } + // break; + + // CSI Pt; Pl; Pb; Pr; Pp; Pt; Pl; Pp$ v + // case 'v': + // if (this.postfix === '$') { + // this.copyRectagle(this.params); + // } + // break; + + // CSI Pt ; Pl ; Pb ; Pr ' w + // case 'w': + // if (this.postfix === '\'') { + // this.enableFilterRectangle(this.params); + // } + // break; + + // CSI Ps x Request Terminal Parameters (DECREQTPARM). + // CSI Ps x Select Attribute Change Extent (DECSACE). + // CSI Pc; Pt; Pl; Pb; Pr$ x + // case 'x': + // if (this.postfix === '$') { + // this.fillRectangle(this.params); + // } else { + // this.requestParameters(this.params); + // //this.__(this.params); + // } + // break; + + // CSI Ps ; Pu ' z + // CSI Pt; Pl; Pb; Pr$ z + // case 'z': + // if (this.postfix === '\'') { + // this.enableLocatorReporting(this.params); + // } else if (this.postfix === '$') { + // this.eraseRectangle(this.params); + // } + // break; + + // CSI Pm ' { + // CSI Pt; Pl; Pb; Pr$ { + // case '{': + // if (this.postfix === '\'') { + // this.setLocatorEvents(this.params); + // } else if (this.postfix === '$') { + // this.selectiveEraseRectangle(this.params); + // } + // break; + + // CSI Ps ' | + // case '|': + // if (this.postfix === '\'') { + // this.requestLocatorPosition(this.params); + // } + // break; + + // CSI P m SP } + // Insert P s Column(s) (default = 1) (DECIC), VT420 and up. + // case '}': + // if (this.postfix === ' ') { + // this.insertColumns(this.params); + // } + // break; + + // CSI P m SP ~ + // Delete P s Column(s) (default = 1) (DECDC), VT420 and up + // case '~': + // if (this.postfix === ' ') { + // this.deleteColumns(this.params); + // } + // break; + + default: + this.error('Unknown CSI code: %s.', ch); + break; + } + + this.prefix = ''; + this.postfix = ''; + break; + + case dcs: + if ((this.lch === '\x1b' && ch === '\\') || ch === '\x07') { + // Workarounds: + if (this.prefix === 'tmux;\x1b') { + // `DCS tmux; Pt ST` may contain a Pt with an ST + // XXX Does tmux work this way? + // if (this.lch === '\x1b' & data[i + 1] === '\x1b' && data[i + 2] === '\\') { + // this.currentParam += ch; + // continue; + // } + // Tmux only accepts ST, not BEL: + if (ch === '\x07') { + this.currentParam += ch; + continue; + } + } + + if (this.lch === '\x1b') { + if (typeof this.currentParam === 'string') { + this.currentParam = this.currentParam.slice(0, -1); + } else if (typeof this.currentParam == 'number') { + this.currentParam = (this.currentParam - ('\x1b'.charCodeAt(0) - 48)) / 10; + } + } + + this.params.push(this.currentParam); + + var pt = this.params[this.params.length - 1]; + + switch (this.prefix) { + // User-Defined Keys (DECUDK). + // DCS Ps; Ps| Pt ST + case UDK: + this.emit('udk', { + clearAll: this.params[0] === 0, + eraseBelow: this.params[0] === 1, + lockKeys: this.params[1] === 0, + dontLockKeys: this.params[1] === 1, + keyList: (this.params[2] + '').split(';').map(function(part) { + part = part.split('/'); + return { + keyCode: part[0], + hexKeyValue: part[1] + }; + }) + }); + break; + + // Request Status String (DECRQSS). + // DCS $ q Pt ST + // test: echo -e '\eP$q"p\e\\' + case '$q': + var valid = 0; + + switch (pt) { + // DECSCA + // CSI Ps " q + case '"q': + pt = '0"q'; + valid = 1; + break; + + // DECSCL + // CSI Ps ; Ps " p + case '"p': + pt = '61;0"p'; + valid = 1; + break; + + // DECSTBM + // CSI Ps ; Ps r + case 'r': + pt = '' + + (this.scrollTop + 1) + + ';' + + (this.scrollBottom + 1) + + 'r'; + valid = 1; + break; + + // SGR + // CSI Pm m + case 'm': + // TODO: Parse this.curAttr here. + // pt = '0m'; + // valid = 1; + valid = 0; // Not implemented. + break; + + default: + this.error('Unknown DCS Pt: %s.', pt); + valid = 0; // unimplemented + break; + } + + this.send('\x1bP' + valid + '$r' + pt + '\x1b\\'); + break; + + // Set Termcap/Terminfo Data (xterm, experimental). + // DCS + p Pt ST + case '+p': + this.emit('set terminfo', { + name: this.params[0] + }); + break; + + // Request Termcap/Terminfo String (xterm, experimental) + // Regular xterm does not even respond to this sequence. + // This can cause a small glitch in vim. + // DCS + q Pt ST + // test: echo -ne '\eP+q6b64\e\\' + case '+q': + var valid = false; + this.send('\x1bP' + +valid + '+r' + pt + '\x1b\\'); + break; + + // Implement tmux sequence forwarding is + // someone uses term.js for a multiplexer. + // DCS tmux; ESC Pt ST + case 'tmux;\x1b': + this.emit('passthrough', pt); + break; + + default: + this.error('Unknown DCS prefix: %s.', pt); + break; + } + + this.currentParam = 0; + this.prefix = ''; + this.state = normal; + } else { + this.currentParam += ch; + if (!this.prefix) { + if (/^\d*;\d*\|/.test(this.currentParam)) { + this.prefix = UDK; + this.params = this.currentParam.split(/[;|]/).map(function(n) { + if (!n.length) return 0; + return +n; + }).slice(0, -1); + this.currentParam = ''; + } else if (/^[$+][a-zA-Z]/.test(this.currentParam) + || /^\w+;\x1b/.test(this.currentParam)) { + this.prefix = this.currentParam; + this.currentParam = ''; + } + } + } + break; + + case ignore: + // For PM and APC. + if ((this.lch === '\x1b' && ch === '\\') || ch === '\x07') { + this.state = normal; + } + break; + } + } + + this.updateRange(this.y); + this.refresh(this.refreshStart, this.refreshEnd); + + return true; +}; + +Terminal.prototype.writeln = function(data) { + return this.write(data + '\r\n'); +}; + +Terminal.prototype.end = function(data) { + var ret = true; + if (data) { + ret = this.write(data); + } + this.destroySoon(); + return ret; +}; + +Terminal.prototype.resume = function() { + ; +}; + +Terminal.prototype.pause = function() { + ; +}; + +// Key Resources: +// https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent +Terminal.prototype.keyDown = function(ev) { + var self = this + , key; + + switch (ev.keyCode) { + // backspace + case 8: + if (ev.altKey) { + key = '\x17'; + break; + } + if (ev.shiftKey) { + key = '\x08'; // ^H + break; + } + key = '\x7f'; // ^? + break; + // tab + case 9: + if (ev.shiftKey) { + key = '\x1b[Z'; + break; + } + key = '\t'; + break; + // return/enter + case 13: + key = '\r'; + break; + // escape + case 27: + key = '\x1b'; + break; + // left-arrow + case 37: + if (this.applicationCursor) { + key = '\x1bOD'; // SS3 as ^[O for 7-bit + //key = '\x8fD'; // SS3 as 0x8f for 8-bit + break; + } + if (ev.ctrlKey) { + key = '\x1b[5D'; + break; + } + key = '\x1b[D'; + break; + // right-arrow + case 39: + if (this.applicationCursor) { + key = '\x1bOC'; + break; + } + if (ev.ctrlKey) { + key = '\x1b[5C'; + break; + } + key = '\x1b[C'; + break; + // up-arrow + case 38: + if (this.applicationCursor) { + key = '\x1bOA'; + break; + } + if (ev.ctrlKey) { + this.scrollDisp(-1); + return cancel(ev); + } else { + key = '\x1b[A'; + } + break; + // down-arrow + case 40: + if (this.applicationCursor) { + key = '\x1bOB'; + break; + } + if (ev.ctrlKey) { + this.scrollDisp(1); + return cancel(ev); + } else { + key = '\x1b[B'; + } + break; + // delete + case 46: + key = '\x1b[3~'; + break; + // insert + case 45: + key = '\x1b[2~'; + break; + // home + case 36: + if (this.applicationKeypad) { + key = '\x1bOH'; + break; + } + key = '\x1bOH'; + break; + // end + case 35: + if (this.applicationKeypad) { + key = '\x1bOF'; + break; + } + key = '\x1bOF'; + break; + // page up + case 33: + if (ev.shiftKey) { + this.scrollDisp(-(this.rows - 1)); + return cancel(ev); + } else { + key = '\x1b[5~'; + } + break; + // page down + case 34: + if (ev.shiftKey) { + this.scrollDisp(this.rows - 1); + return cancel(ev); + } else { + key = '\x1b[6~'; + } + break; + // F1 + case 112: + key = '\x1bOP'; + break; + // F2 + case 113: + key = '\x1bOQ'; + break; + // F3 + case 114: + key = '\x1bOR'; + break; + // F4 + case 115: + key = '\x1bOS'; + break; + // F5 + case 116: + key = '\x1b[15~'; + break; + // F6 + case 117: + key = '\x1b[17~'; + break; + // F7 + case 118: + key = '\x1b[18~'; + break; + // F8 + case 119: + key = '\x1b[19~'; + break; + // F9 + case 120: + key = '\x1b[20~'; + break; + // F10 + case 121: + key = '\x1b[21~'; + break; + // F11 + case 122: + key = '\x1b[23~'; + break; + // F12 + case 123: + key = '\x1b[24~'; + break; + default: + // a-z and space + if (ev.ctrlKey) { + if (ev.keyCode >= 65 && ev.keyCode <= 90) { + // Ctrl-A + if (this.screenKeys) { + if (!this.prefixMode && !this.selectMode && ev.keyCode === 65) { + this.enterPrefix(); + return cancel(ev); + } + } + // Ctrl-V + if (this.prefixMode && ev.keyCode === 86) { + this.leavePrefix(); + return; + } + // Ctrl-C + if ((this.prefixMode || this.selectMode) && ev.keyCode === 67) { + if (this.visualMode) { + setTimeout(function() { + self.leaveVisual(); + }, 1); + } + return; + } + key = String.fromCharCode(ev.keyCode - 64); + } else if (ev.keyCode === 32) { + // NUL + key = String.fromCharCode(0); + } else if (ev.keyCode >= 51 && ev.keyCode <= 55) { + // escape, file sep, group sep, record sep, unit sep + key = String.fromCharCode(ev.keyCode - 51 + 27); + } else if (ev.keyCode === 56) { + // delete + key = String.fromCharCode(127); + } else if (ev.keyCode === 219) { + // ^[ - escape + key = String.fromCharCode(27); + } else if (ev.keyCode === 221) { + // ^] - group sep + key = String.fromCharCode(29); + } + } else if (ev.altKey) { + if (ev.keyCode >= 65 && ev.keyCode <= 90) { + key = '\x1b' + String.fromCharCode(ev.keyCode + 32); + } else if (ev.keyCode === 192) { + key = '\x1b`'; + } else if (ev.keyCode >= 48 && ev.keyCode <= 57) { + key = '\x1b' + (ev.keyCode - 48); + } + } + break; + } + + if (!key) return true; + + if (this.prefixMode) { + this.leavePrefix(); + return cancel(ev); + } + + if (this.selectMode) { + this.keySelect(ev, key); + return cancel(ev); + } + + this.emit('keydown', ev); + this.emit('key', key, ev); + + this.showCursor(); + this.handler(key); + + return cancel(ev); +}; + +Terminal.prototype.setgLevel = function(g) { + this.glevel = g; + this.charset = this.charsets[g]; +}; + +Terminal.prototype.setgCharset = function(g, charset) { + this.charsets[g] = charset; + if (this.glevel === g) { + this.charset = charset; + } +}; + +Terminal.prototype.keyPress = function(ev) { + var key; + + cancel(ev); + + if (ev.charCode) { + key = ev.charCode; + } else if (ev.which == null) { + key = ev.keyCode; + } else if (ev.which !== 0 && ev.charCode !== 0) { + key = ev.which; + } else { + return false; + } + + if (!key || ev.ctrlKey || ev.altKey || ev.metaKey) return false; + + key = String.fromCharCode(key); + + if (this.prefixMode) { + this.leavePrefix(); + this.keyPrefix(ev, key); + return false; + } + + if (this.selectMode) { + this.keySelect(ev, key); + return false; + } + + this.emit('keypress', key, ev); + this.emit('key', key, ev); + + this.showCursor(); + this.handler(key); + + return false; +}; + +Terminal.prototype.send = function(data) { + var self = this; + + if (!this.queue) { + setTimeout(function() { + self.handler(self.queue); + self.queue = ''; + }, 1); + } + + this.queue += data; +}; + +Terminal.prototype.bell = function() { + this.emit('bell'); + if (!this.visualBell) return; + var self = this; + this.element.style.borderColor = 'white'; + setTimeout(function() { + self.element.style.borderColor = ''; + }, 10); + if (this.popOnBell) this.focus(); +}; + +Terminal.prototype.log = function() { + if (!this.debug) return; + if (!this.context.console || !this.context.console.log) return; + var args = Array.prototype.slice.call(arguments); + this.context.console.log.apply(this.context.console, args); +}; + +Terminal.prototype.error = function() { + if (!this.debug) return; + if (!this.context.console || !this.context.console.error) return; + var args = Array.prototype.slice.call(arguments); + this.context.console.error.apply(this.context.console, args); +}; + +Terminal.prototype.resize = function(x, y) { + var line + , el + , i + , j + , ch; + + if (x < 1) x = 1; + if (y < 1) y = 1; + + // resize cols + j = this.cols; + if (j < x) { + ch = [this.defAttr, ' ']; // does xterm use the default attr? + i = this.lines.length; + while (i--) { + while (this.lines[i].length < x) { + this.lines[i].push(ch); + } + } + } else if (j > x) { + i = this.lines.length; + while (i--) { + while (this.lines[i].length > x) { + this.lines[i].pop(); + } + } + } + this.setupStops(j); + this.cols = x; + this.columns = x; + + // resize rows + j = this.rows; + if (j < y) { + el = this.element; + while (j++ < y) { + if (this.lines.length < y + this.ybase) { + this.lines.push(this.blankLine()); + } + if (this.children.length < y) { + line = this.document.createElement('div'); + el.appendChild(line); + this.children.push(line); + } + } + } else if (j > y) { + while (j-- > y) { + if (this.lines.length > y + this.ybase) { + this.lines.pop(); + } + if (this.children.length > y) { + el = this.children.pop(); + if (!el) continue; + el.parentNode.removeChild(el); + } + } + } + this.rows = y; + + // make sure the cursor stays on screen + if (this.y >= y) this.y = y - 1; + if (this.x >= x) this.x = x - 1; + + this.scrollTop = 0; + this.scrollBottom = y - 1; + + this.refresh(0, this.rows - 1); + + // it's a real nightmare trying + // to resize the original + // screen buffer. just set it + // to null for now. + this.normal = null; + + // Act as though we are a node TTY stream: + this.emit('resize'); +}; + +Terminal.prototype.updateRange = function(y) { + if (y < this.refreshStart) this.refreshStart = y; + if (y > this.refreshEnd) this.refreshEnd = y; + // if (y > this.refreshEnd) { + // this.refreshEnd = y; + // if (y > this.rows - 1) { + // this.refreshEnd = this.rows - 1; + // } + // } +}; + +Terminal.prototype.maxRange = function() { + this.refreshStart = 0; + this.refreshEnd = this.rows - 1; +}; + +Terminal.prototype.setupStops = function(i) { + if (i != null) { + if (!this.tabs[i]) { + i = this.prevStop(i); + } + } else { + this.tabs = {}; + i = 0; + } + + for (; i < this.cols; i += 8) { + this.tabs[i] = true; + } +}; + +Terminal.prototype.prevStop = function(x) { + if (x == null) x = this.x; + while (!this.tabs[--x] && x > 0); + return x >= this.cols + ? this.cols - 1 + : x < 0 ? 0 : x; +}; + +Terminal.prototype.nextStop = function(x) { + if (x == null) x = this.x; + while (!this.tabs[++x] && x < this.cols); + return x >= this.cols + ? this.cols - 1 + : x < 0 ? 0 : x; +}; + +// back_color_erase feature for xterm. +Terminal.prototype.eraseAttr = function() { + // if (this.is('screen')) return this.defAttr; + return (this.defAttr & ~0x1ff) | (this.curAttr & 0x1ff); +}; + +Terminal.prototype.eraseRight = function(x, y) { + var line = this.lines[this.ybase + y] + , ch = [this.eraseAttr(), ' ']; // xterm + + + for (; x < this.cols; x++) { + line[x] = ch; + } + + this.updateRange(y); +}; + +Terminal.prototype.eraseLeft = function(x, y) { + var line = this.lines[this.ybase + y] + , ch = [this.eraseAttr(), ' ']; // xterm + + x++; + while (x--) line[x] = ch; + + this.updateRange(y); +}; + +Terminal.prototype.eraseLine = function(y) { + this.eraseRight(0, y); +}; + +Terminal.prototype.blankLine = function(cur) { + var attr = cur + ? this.eraseAttr() + : this.defAttr; + + var ch = [attr, ' '] + , line = [] + , i = 0; + + for (; i < this.cols; i++) { + line[i] = ch; + } + + return line; +}; + +Terminal.prototype.ch = function(cur) { + return cur + ? [this.eraseAttr(), ' '] + : [this.defAttr, ' ']; +}; + +Terminal.prototype.is = function(term) { + var name = this.termName; + return (name + '').indexOf(term) === 0; +}; + +Terminal.prototype.handler = function(data) { + this.emit('data', data); +}; + +Terminal.prototype.handleTitle = function(title) { + this.emit('title', title); +}; + +/** + * ESC + */ + +// ESC D Index (IND is 0x84). +Terminal.prototype.index = function() { + this.y++; + if (this.y > this.scrollBottom) { + this.y--; + this.scroll(); + } + this.state = normal; +}; + +// ESC M Reverse Index (RI is 0x8d). +Terminal.prototype.reverseIndex = function() { + var j; + this.y--; + if (this.y < this.scrollTop) { + this.y++; + // possibly move the code below to term.reverseScroll(); + // test: echo -ne '\e[1;1H\e[44m\eM\e[0m' + // blankLine(true) is xterm/linux behavior + this.lines.splice(this.y + this.ybase, 0, this.blankLine(true)); + j = this.rows - 1 - this.scrollBottom; + this.lines.splice(this.rows - 1 + this.ybase - j + 1, 1); + // this.maxRange(); + this.updateRange(this.scrollTop); + this.updateRange(this.scrollBottom); + } + this.state = normal; +}; + +// ESC c Full Reset (RIS). +Terminal.prototype.reset = function() { + this.options.rows = this.rows; + this.options.cols = this.cols; + Terminal.call(this, this.options); + this.refresh(0, this.rows - 1); +}; + +// ESC H Tab Set (HTS is 0x88). +Terminal.prototype.tabSet = function() { + this.tabs[this.x] = true; + this.state = normal; +}; + +/** + * CSI + */ + +// CSI Ps A +// Cursor Up Ps Times (default = 1) (CUU). +Terminal.prototype.cursorUp = function(params) { + var param = params[0]; + if (param < 1) param = 1; + this.y -= param; + if (this.y < 0) this.y = 0; +}; + +// CSI Ps B +// Cursor Down Ps Times (default = 1) (CUD). +Terminal.prototype.cursorDown = function(params) { + var param = params[0]; + if (param < 1) param = 1; + this.y += param; + if (this.y >= this.rows) { + this.y = this.rows - 1; + } +}; + +// CSI Ps C +// Cursor Forward Ps Times (default = 1) (CUF). +Terminal.prototype.cursorForward = function(params) { + var param = params[0]; + if (param < 1) param = 1; + this.x += param; + if (this.x >= this.cols) { + this.x = this.cols - 1; + } +}; + +// CSI Ps D +// Cursor Backward Ps Times (default = 1) (CUB). +Terminal.prototype.cursorBackward = function(params) { + var param = params[0]; + if (param < 1) param = 1; + this.x -= param; + if (this.x < 0) this.x = 0; +}; + +// CSI Ps ; Ps H +// Cursor Position [row;column] (default = [1,1]) (CUP). +Terminal.prototype.cursorPos = function(params) { + var row, col; + + row = params[0] - 1; + + if (params.length >= 2) { + col = params[1] - 1; + } else { + col = 0; + } + + if (row < 0) { + row = 0; + } else if (row >= this.rows) { + row = this.rows - 1; + } + + if (col < 0) { + col = 0; + } else if (col >= this.cols) { + col = this.cols - 1; + } + + this.x = col; + this.y = row; +}; + +// CSI Ps J Erase in Display (ED). +// Ps = 0 -> Erase Below (default). +// Ps = 1 -> Erase Above. +// Ps = 2 -> Erase All. +// Ps = 3 -> Erase Saved Lines (xterm). +// CSI ? Ps J +// Erase in Display (DECSED). +// Ps = 0 -> Selective Erase Below (default). +// Ps = 1 -> Selective Erase Above. +// Ps = 2 -> Selective Erase All. +Terminal.prototype.eraseInDisplay = function(params) { + var j; + switch (params[0]) { + case 0: + this.eraseRight(this.x, this.y); + j = this.y + 1; + for (; j < this.rows; j++) { + this.eraseLine(j); + } + break; + case 1: + this.eraseLeft(this.x, this.y); + j = this.y; + while (j--) { + this.eraseLine(j); + } + break; + case 2: + j = this.rows; + while (j--) this.eraseLine(j); + break; + case 3: + ; // no saved lines + break; + } +}; + +// CSI Ps K Erase in Line (EL). +// Ps = 0 -> Erase to Right (default). +// Ps = 1 -> Erase to Left. +// Ps = 2 -> Erase All. +// CSI ? Ps K +// Erase in Line (DECSEL). +// Ps = 0 -> Selective Erase to Right (default). +// Ps = 1 -> Selective Erase to Left. +// Ps = 2 -> Selective Erase All. +Terminal.prototype.eraseInLine = function(params) { + switch (params[0]) { + case 0: + this.eraseRight(this.x, this.y); + break; + case 1: + this.eraseLeft(this.x, this.y); + break; + case 2: + this.eraseLine(this.y); + break; + } +}; + +// CSI Pm m Character Attributes (SGR). +// Ps = 0 -> Normal (default). +// Ps = 1 -> Bold. +// Ps = 4 -> Underlined. +// Ps = 5 -> Blink (appears as Bold). +// Ps = 7 -> Inverse. +// Ps = 8 -> Invisible, i.e., hidden (VT300). +// Ps = 2 2 -> Normal (neither bold nor faint). +// Ps = 2 4 -> Not underlined. +// Ps = 2 5 -> Steady (not blinking). +// Ps = 2 7 -> Positive (not inverse). +// Ps = 2 8 -> Visible, i.e., not hidden (VT300). +// Ps = 3 0 -> Set foreground color to Black. +// Ps = 3 1 -> Set foreground color to Red. +// Ps = 3 2 -> Set foreground color to Green. +// Ps = 3 3 -> Set foreground color to Yellow. +// Ps = 3 4 -> Set foreground color to Blue. +// Ps = 3 5 -> Set foreground color to Magenta. +// Ps = 3 6 -> Set foreground color to Cyan. +// Ps = 3 7 -> Set foreground color to White. +// Ps = 3 9 -> Set foreground color to default (original). +// Ps = 4 0 -> Set background color to Black. +// Ps = 4 1 -> Set background color to Red. +// Ps = 4 2 -> Set background color to Green. +// Ps = 4 3 -> Set background color to Yellow. +// Ps = 4 4 -> Set background color to Blue. +// Ps = 4 5 -> Set background color to Magenta. +// Ps = 4 6 -> Set background color to Cyan. +// Ps = 4 7 -> Set background color to White. +// Ps = 4 9 -> Set background color to default (original). + +// If 16-color support is compiled, the following apply. Assume +// that xterm's resources are set so that the ISO color codes are +// the first 8 of a set of 16. Then the aixterm colors are the +// bright versions of the ISO colors: +// Ps = 9 0 -> Set foreground color to Black. +// Ps = 9 1 -> Set foreground color to Red. +// Ps = 9 2 -> Set foreground color to Green. +// Ps = 9 3 -> Set foreground color to Yellow. +// Ps = 9 4 -> Set foreground color to Blue. +// Ps = 9 5 -> Set foreground color to Magenta. +// Ps = 9 6 -> Set foreground color to Cyan. +// Ps = 9 7 -> Set foreground color to White. +// Ps = 1 0 0 -> Set background color to Black. +// Ps = 1 0 1 -> Set background color to Red. +// Ps = 1 0 2 -> Set background color to Green. +// Ps = 1 0 3 -> Set background color to Yellow. +// Ps = 1 0 4 -> Set background color to Blue. +// Ps = 1 0 5 -> Set background color to Magenta. +// Ps = 1 0 6 -> Set background color to Cyan. +// Ps = 1 0 7 -> Set background color to White. + +// If xterm is compiled with the 16-color support disabled, it +// supports the following, from rxvt: +// Ps = 1 0 0 -> Set foreground and background color to +// default. + +// If 88- or 256-color support is compiled, the following apply. +// Ps = 3 8 ; 5 ; Ps -> Set foreground color to the second +// Ps. +// Ps = 4 8 ; 5 ; Ps -> Set background color to the second +// Ps. +Terminal.prototype.charAttributes = function(params) { + // Optimize a single SGR0. + if (params.length === 1 && params[0] === 0) { + this.curAttr = this.defAttr; + return; + } + + var l = params.length + , i = 0 + , flags = this.curAttr >> 18 + , fg = (this.curAttr >> 9) & 0x1ff + , bg = this.curAttr & 0x1ff + , p; + + for (; i < l; i++) { + p = params[i]; + if (p >= 30 && p <= 37) { + // fg color 8 + fg = p - 30; + } else if (p >= 40 && p <= 47) { + // bg color 8 + bg = p - 40; + } else if (p >= 90 && p <= 97) { + // fg color 16 + p += 8; + fg = p - 90; + } else if (p >= 100 && p <= 107) { + // bg color 16 + p += 8; + bg = p - 100; + } else if (p === 0) { + // default + flags = this.defAttr >> 18; + fg = (this.defAttr >> 9) & 0x1ff; + bg = this.defAttr & 0x1ff; + // flags = 0; + // fg = 0x1ff; + // bg = 0x1ff; + } else if (p === 1) { + // bold text + flags |= 1; + } else if (p === 4) { + // underlined text + flags |= 2; + } else if (p === 5) { + // blink + flags |= 4; + } else if (p === 7) { + // inverse and positive + // test with: echo -e '\e[31m\e[42mhello\e[7mworld\e[27mhi\e[m' + flags |= 8; + } else if (p === 8) { + // invisible + flags |= 16; + } else if (p === 22) { + // not bold + flags &= ~1; + } else if (p === 24) { + // not underlined + flags &= ~2; + } else if (p === 25) { + // not blink + flags &= ~4; + } else if (p === 27) { + // not inverse + flags &= ~8; + } else if (p === 28) { + // not invisible + flags &= ~16; + } else if (p === 39) { + // reset fg + fg = (this.defAttr >> 9) & 0x1ff; + } else if (p === 49) { + // reset bg + bg = this.defAttr & 0x1ff; + } else if (p === 38) { + // fg color 256 + if (params[i + 1] === 2) { + i += 2; + fg = matchColor( + params[i] & 0xff, + params[i + 1] & 0xff, + params[i + 2] & 0xff); + if (fg === -1) fg = 0x1ff; + i += 2; + } else if (params[i + 1] === 5) { + i += 2; + p = params[i] & 0xff; + fg = p; + } + } else if (p === 48) { + // bg color 256 + if (params[i + 1] === 2) { + i += 2; + bg = matchColor( + params[i] & 0xff, + params[i + 1] & 0xff, + params[i + 2] & 0xff); + if (bg === -1) bg = 0x1ff; + i += 2; + } else if (params[i + 1] === 5) { + i += 2; + p = params[i] & 0xff; + bg = p; + } + } else if (p === 100) { + // reset fg/bg + fg = (this.defAttr >> 9) & 0x1ff; + bg = this.defAttr & 0x1ff; + } else { + this.error('Unknown SGR attribute: %d.', p); + } + } + + this.curAttr = (flags << 18) | (fg << 9) | bg; +}; + +// CSI Ps n Device Status Report (DSR). +// Ps = 5 -> Status Report. Result (``OK'') is +// CSI 0 n +// Ps = 6 -> Report Cursor Position (CPR) [row;column]. +// Result is +// CSI r ; c R +// CSI ? Ps n +// Device Status Report (DSR, DEC-specific). +// Ps = 6 -> Report Cursor Position (CPR) [row;column] as CSI +// ? r ; c R (assumes page is zero). +// Ps = 1 5 -> Report Printer status as CSI ? 1 0 n (ready). +// or CSI ? 1 1 n (not ready). +// Ps = 2 5 -> Report UDK status as CSI ? 2 0 n (unlocked) +// or CSI ? 2 1 n (locked). +// Ps = 2 6 -> Report Keyboard status as +// CSI ? 2 7 ; 1 ; 0 ; 0 n (North American). +// The last two parameters apply to VT400 & up, and denote key- +// board ready and LK01 respectively. +// Ps = 5 3 -> Report Locator status as +// CSI ? 5 3 n Locator available, if compiled-in, or +// CSI ? 5 0 n No Locator, if not. +Terminal.prototype.deviceStatus = function(params) { + if (!this.prefix) { + switch (params[0]) { + case 5: + // status report + this.send('\x1b[0n'); + break; + case 6: + // cursor position + this.send('\x1b[' + + (this.y + 1) + + ';' + + (this.x + 1) + + 'R'); + break; + } + } else if (this.prefix === '?') { + // modern xterm doesnt seem to + // respond to any of these except ?6, 6, and 5 + switch (params[0]) { + case 6: + // cursor position + this.send('\x1b[?' + + (this.y + 1) + + ';' + + (this.x + 1) + + 'R'); + break; + case 15: + // no printer + // this.send('\x1b[?11n'); + break; + case 25: + // dont support user defined keys + // this.send('\x1b[?21n'); + break; + case 26: + // north american keyboard + // this.send('\x1b[?27;1;0;0n'); + break; + case 53: + // no dec locator/mouse + // this.send('\x1b[?50n'); + break; + } + } +}; + +/** + * Additions + */ + +// CSI Ps @ +// Insert Ps (Blank) Character(s) (default = 1) (ICH). +Terminal.prototype.insertChars = function(params) { + var param, row, j, ch; + + param = params[0]; + if (param < 1) param = 1; + + row = this.y + this.ybase; + j = this.x; + ch = [this.eraseAttr(), ' ']; // xterm + + while (param-- && j < this.cols) { + this.lines[row].splice(j++, 0, ch); + this.lines[row].pop(); + } +}; + +// CSI Ps E +// Cursor Next Line Ps Times (default = 1) (CNL). +// same as CSI Ps B ? +Terminal.prototype.cursorNextLine = function(params) { + var param = params[0]; + if (param < 1) param = 1; + this.y += param; + if (this.y >= this.rows) { + this.y = this.rows - 1; + } + this.x = 0; +}; + +// CSI Ps F +// Cursor Preceding Line Ps Times (default = 1) (CNL). +// reuse CSI Ps A ? +Terminal.prototype.cursorPrecedingLine = function(params) { + var param = params[0]; + if (param < 1) param = 1; + this.y -= param; + if (this.y < 0) this.y = 0; + this.x = 0; +}; + +// CSI Ps G +// Cursor Character Absolute [column] (default = [row,1]) (CHA). +Terminal.prototype.cursorCharAbsolute = function(params) { + var param = params[0]; + if (param < 1) param = 1; + this.x = param - 1; +}; + +// CSI Ps L +// Insert Ps Line(s) (default = 1) (IL). +Terminal.prototype.insertLines = function(params) { + var param, row, j; + + param = params[0]; + if (param < 1) param = 1; + row = this.y + this.ybase; + + j = this.rows - 1 - this.scrollBottom; + j = this.rows - 1 + this.ybase - j + 1; + + while (param--) { + // test: echo -e '\e[44m\e[1L\e[0m' + // blankLine(true) - xterm/linux behavior + this.lines.splice(row, 0, this.blankLine(true)); + this.lines.splice(j, 1); + } + + // this.maxRange(); + this.updateRange(this.y); + this.updateRange(this.scrollBottom); +}; + +// CSI Ps M +// Delete Ps Line(s) (default = 1) (DL). +Terminal.prototype.deleteLines = function(params) { + var param, row, j; + + param = params[0]; + if (param < 1) param = 1; + row = this.y + this.ybase; + + j = this.rows - 1 - this.scrollBottom; + j = this.rows - 1 + this.ybase - j; + + while (param--) { + // test: echo -e '\e[44m\e[1M\e[0m' + // blankLine(true) - xterm/linux behavior + this.lines.splice(j + 1, 0, this.blankLine(true)); + this.lines.splice(row, 1); + } + + // this.maxRange(); + this.updateRange(this.y); + this.updateRange(this.scrollBottom); +}; + +// CSI Ps P +// Delete Ps Character(s) (default = 1) (DCH). +Terminal.prototype.deleteChars = function(params) { + var param, row, ch; + + param = params[0]; + if (param < 1) param = 1; + + row = this.y + this.ybase; + ch = [this.eraseAttr(), ' ']; // xterm + + while (param--) { + this.lines[row].splice(this.x, 1); + this.lines[row].push(ch); + } +}; + +// CSI Ps X +// Erase Ps Character(s) (default = 1) (ECH). +Terminal.prototype.eraseChars = function(params) { + var param, row, j, ch; + + param = params[0]; + if (param < 1) param = 1; + + row = this.y + this.ybase; + j = this.x; + ch = [this.eraseAttr(), ' ']; // xterm + + while (param-- && j < this.cols) { + this.lines[row][j++] = ch; + } +}; + +// CSI Pm ` Character Position Absolute +// [column] (default = [row,1]) (HPA). +Terminal.prototype.charPosAbsolute = function(params) { + var param = params[0]; + if (param < 1) param = 1; + this.x = param - 1; + if (this.x >= this.cols) { + this.x = this.cols - 1; + } +}; + +// 141 61 a * HPR - +// Horizontal Position Relative +// reuse CSI Ps C ? +Terminal.prototype.HPositionRelative = function(params) { + var param = params[0]; + if (param < 1) param = 1; + this.x += param; + if (this.x >= this.cols) { + this.x = this.cols - 1; + } +}; + +// CSI Ps c Send Device Attributes (Primary DA). +// Ps = 0 or omitted -> request attributes from terminal. The +// response depends on the decTerminalID resource setting. +// -> CSI ? 1 ; 2 c (``VT100 with Advanced Video Option'') +// -> CSI ? 1 ; 0 c (``VT101 with No Options'') +// -> CSI ? 6 c (``VT102'') +// -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c (``VT220'') +// The VT100-style response parameters do not mean anything by +// themselves. VT220 parameters do, telling the host what fea- +// tures the terminal supports: +// Ps = 1 -> 132-columns. +// Ps = 2 -> Printer. +// Ps = 6 -> Selective erase. +// Ps = 8 -> User-defined keys. +// Ps = 9 -> National replacement character sets. +// Ps = 1 5 -> Technical characters. +// Ps = 2 2 -> ANSI color, e.g., VT525. +// Ps = 2 9 -> ANSI text locator (i.e., DEC Locator mode). +// CSI > Ps c +// Send Device Attributes (Secondary DA). +// Ps = 0 or omitted -> request the terminal's identification +// code. The response depends on the decTerminalID resource set- +// ting. It should apply only to VT220 and up, but xterm extends +// this to VT100. +// -> CSI > Pp ; Pv ; Pc c +// where Pp denotes the terminal type +// Pp = 0 -> ``VT100''. +// Pp = 1 -> ``VT220''. +// and Pv is the firmware version (for xterm, this was originally +// the XFree86 patch number, starting with 95). In a DEC termi- +// nal, Pc indicates the ROM cartridge registration number and is +// always zero. +// More information: +// xterm/charproc.c - line 2012, for more information. +// vim responds with ^[[?0c or ^[[?1c after the terminal's response (?) +Terminal.prototype.sendDeviceAttributes = function(params) { + if (params[0] > 0) return; + + if (!this.prefix) { + if (this.is('xterm') + || this.is('rxvt-unicode') + || this.is('screen')) { + this.send('\x1b[?1;2c'); + } else if (this.is('linux')) { + this.send('\x1b[?6c'); + } + } else if (this.prefix === '>') { + // xterm and urxvt + // seem to spit this + // out around ~370 times (?). + if (this.is('xterm')) { + this.send('\x1b[>0;276;0c'); + } else if (this.is('rxvt-unicode')) { + this.send('\x1b[>85;95;0c'); + } else if (this.is('linux')) { + // not supported by linux console. + // linux console echoes parameters. + this.send(params[0] + 'c'); + } else if (this.is('screen')) { + this.send('\x1b[>83;40003;0c'); + } + } +}; + +// CSI Pm d +// Line Position Absolute [row] (default = [1,column]) (VPA). +Terminal.prototype.linePosAbsolute = function(params) { + var param = params[0]; + if (param < 1) param = 1; + this.y = param - 1; + if (this.y >= this.rows) { + this.y = this.rows - 1; + } +}; + +// 145 65 e * VPR - Vertical Position Relative +// reuse CSI Ps B ? +Terminal.prototype.VPositionRelative = function(params) { + var param = params[0]; + if (param < 1) param = 1; + this.y += param; + if (this.y >= this.rows) { + this.y = this.rows - 1; + } +}; + +// CSI Ps ; Ps f +// Horizontal and Vertical Position [row;column] (default = +// [1,1]) (HVP). +Terminal.prototype.HVPosition = function(params) { + if (params[0] < 1) params[0] = 1; + if (params[1] < 1) params[1] = 1; + + this.y = params[0] - 1; + if (this.y >= this.rows) { + this.y = this.rows - 1; + } + + this.x = params[1] - 1; + if (this.x >= this.cols) { + this.x = this.cols - 1; + } +}; + +// CSI Pm h Set Mode (SM). +// Ps = 2 -> Keyboard Action Mode (AM). +// Ps = 4 -> Insert Mode (IRM). +// Ps = 1 2 -> Send/receive (SRM). +// Ps = 2 0 -> Automatic Newline (LNM). +// CSI ? Pm h +// DEC Private Mode Set (DECSET). +// Ps = 1 -> Application Cursor Keys (DECCKM). +// Ps = 2 -> Designate USASCII for character sets G0-G3 +// (DECANM), and set VT100 mode. +// Ps = 3 -> 132 Column Mode (DECCOLM). +// Ps = 4 -> Smooth (Slow) Scroll (DECSCLM). +// Ps = 5 -> Reverse Video (DECSCNM). +// Ps = 6 -> Origin Mode (DECOM). +// Ps = 7 -> Wraparound Mode (DECAWM). +// Ps = 8 -> Auto-repeat Keys (DECARM). +// Ps = 9 -> Send Mouse X & Y on button press. See the sec- +// tion Mouse Tracking. +// Ps = 1 0 -> Show toolbar (rxvt). +// Ps = 1 2 -> Start Blinking Cursor (att610). +// Ps = 1 8 -> Print form feed (DECPFF). +// Ps = 1 9 -> Set print extent to full screen (DECPEX). +// Ps = 2 5 -> Show Cursor (DECTCEM). +// Ps = 3 0 -> Show scrollbar (rxvt). +// Ps = 3 5 -> Enable font-shifting functions (rxvt). +// Ps = 3 8 -> Enter Tektronix Mode (DECTEK). +// Ps = 4 0 -> Allow 80 -> 132 Mode. +// Ps = 4 1 -> more(1) fix (see curses resource). +// Ps = 4 2 -> Enable Nation Replacement Character sets (DECN- +// RCM). +// Ps = 4 4 -> Turn On Margin Bell. +// Ps = 4 5 -> Reverse-wraparound Mode. +// Ps = 4 6 -> Start Logging. This is normally disabled by a +// compile-time option. +// Ps = 4 7 -> Use Alternate Screen Buffer. (This may be dis- +// abled by the titeInhibit resource). +// Ps = 6 6 -> Application keypad (DECNKM). +// Ps = 6 7 -> Backarrow key sends backspace (DECBKM). +// Ps = 1 0 0 0 -> Send Mouse X & Y on button press and +// release. See the section Mouse Tracking. +// Ps = 1 0 0 1 -> Use Hilite Mouse Tracking. +// Ps = 1 0 0 2 -> Use Cell Motion Mouse Tracking. +// Ps = 1 0 0 3 -> Use All Motion Mouse Tracking. +// Ps = 1 0 0 4 -> Send FocusIn/FocusOut events. +// Ps = 1 0 0 5 -> Enable Extended Mouse Mode. +// Ps = 1 0 1 0 -> Scroll to bottom on tty output (rxvt). +// Ps = 1 0 1 1 -> Scroll to bottom on key press (rxvt). +// Ps = 1 0 3 4 -> Interpret "meta" key, sets eighth bit. +// (enables the eightBitInput resource). +// Ps = 1 0 3 5 -> Enable special modifiers for Alt and Num- +// Lock keys. (This enables the numLock resource). +// Ps = 1 0 3 6 -> Send ESC when Meta modifies a key. (This +// enables the metaSendsEscape resource). +// Ps = 1 0 3 7 -> Send DEL from the editing-keypad Delete +// key. +// Ps = 1 0 3 9 -> Send ESC when Alt modifies a key. (This +// enables the altSendsEscape resource). +// Ps = 1 0 4 0 -> Keep selection even if not highlighted. +// (This enables the keepSelection resource). +// Ps = 1 0 4 1 -> Use the CLIPBOARD selection. (This enables +// the selectToClipboard resource). +// Ps = 1 0 4 2 -> Enable Urgency window manager hint when +// Control-G is received. (This enables the bellIsUrgent +// resource). +// Ps = 1 0 4 3 -> Enable raising of the window when Control-G +// is received. (enables the popOnBell resource). +// Ps = 1 0 4 7 -> Use Alternate Screen Buffer. (This may be +// disabled by the titeInhibit resource). +// Ps = 1 0 4 8 -> Save cursor as in DECSC. (This may be dis- +// abled by the titeInhibit resource). +// Ps = 1 0 4 9 -> Save cursor as in DECSC and use Alternate +// Screen Buffer, clearing it first. (This may be disabled by +// the titeInhibit resource). This combines the effects of the 1 +// 0 4 7 and 1 0 4 8 modes. Use this with terminfo-based +// applications rather than the 4 7 mode. +// Ps = 1 0 5 0 -> Set terminfo/termcap function-key mode. +// Ps = 1 0 5 1 -> Set Sun function-key mode. +// Ps = 1 0 5 2 -> Set HP function-key mode. +// Ps = 1 0 5 3 -> Set SCO function-key mode. +// Ps = 1 0 6 0 -> Set legacy keyboard emulation (X11R6). +// Ps = 1 0 6 1 -> Set VT220 keyboard emulation. +// Ps = 2 0 0 4 -> Set bracketed paste mode. +// Modes: +// http://vt100.net/docs/vt220-rm/chapter4.html +Terminal.prototype.setMode = function(params) { + if (typeof params === 'object') { + var l = params.length + , i = 0; + + for (; i < l; i++) { + this.setMode(params[i]); + } + + return; + } + + if (!this.prefix) { + switch (params) { + case 4: + this.insertMode = true; + break; + case 20: + //this.convertEol = true; + break; + } + } else if (this.prefix === '?') { + switch (params) { + case 1: + this.applicationCursor = true; + break; + case 2: + this.setgCharset(0, Terminal.charsets.US); + this.setgCharset(1, Terminal.charsets.US); + this.setgCharset(2, Terminal.charsets.US); + this.setgCharset(3, Terminal.charsets.US); + // set VT100 mode here + break; + case 3: // 132 col mode + this.savedCols = this.cols; + this.resize(132, this.rows); + break; + case 6: + this.originMode = true; + break; + case 7: + this.wraparoundMode = true; + break; + case 12: + // this.cursorBlink = true; + break; + case 66: + this.log('Serial port requested application keypad.'); + this.applicationKeypad = true; + break; + case 9: // X10 Mouse + // no release, no motion, no wheel, no modifiers. + case 1000: // vt200 mouse + // no motion. + // no modifiers, except control on the wheel. + case 1002: // button event mouse + case 1003: // any event mouse + // any event - sends motion events, + // even if there is no button held down. + this.x10Mouse = params === 9; + this.vt200Mouse = params === 1000; + this.normalMouse = params > 1000; + this.mouseEvents = true; + this.element.style.cursor = 'default'; + this.log('Binding to mouse events.'); + break; + case 1004: // send focusin/focusout events + // focusin: ^[[I + // focusout: ^[[O + this.sendFocus = true; + break; + case 1005: // utf8 ext mode mouse + this.utfMouse = true; + // for wide terminals + // simply encodes large values as utf8 characters + break; + case 1006: // sgr ext mode mouse + this.sgrMouse = true; + // for wide terminals + // does not add 32 to fields + // press: ^[[<b;x;yM + // release: ^[[<b;x;ym + break; + case 1015: // urxvt ext mode mouse + this.urxvtMouse = true; + // for wide terminals + // numbers for fields + // press: ^[[b;x;yM + // motion: ^[[b;x;yT + break; + case 25: // show cursor + this.cursorHidden = false; + break; + case 1049: // alt screen buffer cursor + //this.saveCursor(); + ; // FALL-THROUGH + case 47: // alt screen buffer + case 1047: // alt screen buffer + if (!this.normal) { + var normal = { + lines: this.lines, + ybase: this.ybase, + ydisp: this.ydisp, + x: this.x, + y: this.y, + scrollTop: this.scrollTop, + scrollBottom: this.scrollBottom, + tabs: this.tabs + // XXX save charset(s) here? + // charset: this.charset, + // glevel: this.glevel, + // charsets: this.charsets + }; + this.reset(); + this.normal = normal; + this.showCursor(); + } + break; + } + } +}; + +// CSI Pm l Reset Mode (RM). +// Ps = 2 -> Keyboard Action Mode (AM). +// Ps = 4 -> Replace Mode (IRM). +// Ps = 1 2 -> Send/receive (SRM). +// Ps = 2 0 -> Normal Linefeed (LNM). +// CSI ? Pm l +// DEC Private Mode Reset (DECRST). +// Ps = 1 -> Normal Cursor Keys (DECCKM). +// Ps = 2 -> Designate VT52 mode (DECANM). +// Ps = 3 -> 80 Column Mode (DECCOLM). +// Ps = 4 -> Jump (Fast) Scroll (DECSCLM). +// Ps = 5 -> Normal Video (DECSCNM). +// Ps = 6 -> Normal Cursor Mode (DECOM). +// Ps = 7 -> No Wraparound Mode (DECAWM). +// Ps = 8 -> No Auto-repeat Keys (DECARM). +// Ps = 9 -> Don't send Mouse X & Y on button press. +// Ps = 1 0 -> Hide toolbar (rxvt). +// Ps = 1 2 -> Stop Blinking Cursor (att610). +// Ps = 1 8 -> Don't print form feed (DECPFF). +// Ps = 1 9 -> Limit print to scrolling region (DECPEX). +// Ps = 2 5 -> Hide Cursor (DECTCEM). +// Ps = 3 0 -> Don't show scrollbar (rxvt). +// Ps = 3 5 -> Disable font-shifting functions (rxvt). +// Ps = 4 0 -> Disallow 80 -> 132 Mode. +// Ps = 4 1 -> No more(1) fix (see curses resource). +// Ps = 4 2 -> Disable Nation Replacement Character sets (DEC- +// NRCM). +// Ps = 4 4 -> Turn Off Margin Bell. +// Ps = 4 5 -> No Reverse-wraparound Mode. +// Ps = 4 6 -> Stop Logging. (This is normally disabled by a +// compile-time option). +// Ps = 4 7 -> Use Normal Screen Buffer. +// Ps = 6 6 -> Numeric keypad (DECNKM). +// Ps = 6 7 -> Backarrow key sends delete (DECBKM). +// Ps = 1 0 0 0 -> Don't send Mouse X & Y on button press and +// release. See the section Mouse Tracking. +// Ps = 1 0 0 1 -> Don't use Hilite Mouse Tracking. +// Ps = 1 0 0 2 -> Don't use Cell Motion Mouse Tracking. +// Ps = 1 0 0 3 -> Don't use All Motion Mouse Tracking. +// Ps = 1 0 0 4 -> Don't send FocusIn/FocusOut events. +// Ps = 1 0 0 5 -> Disable Extended Mouse Mode. +// Ps = 1 0 1 0 -> Don't scroll to bottom on tty output +// (rxvt). +// Ps = 1 0 1 1 -> Don't scroll to bottom on key press (rxvt). +// Ps = 1 0 3 4 -> Don't interpret "meta" key. (This disables +// the eightBitInput resource). +// Ps = 1 0 3 5 -> Disable special modifiers for Alt and Num- +// Lock keys. (This disables the numLock resource). +// Ps = 1 0 3 6 -> Don't send ESC when Meta modifies a key. +// (This disables the metaSendsEscape resource). +// Ps = 1 0 3 7 -> Send VT220 Remove from the editing-keypad +// Delete key. +// Ps = 1 0 3 9 -> Don't send ESC when Alt modifies a key. +// (This disables the altSendsEscape resource). +// Ps = 1 0 4 0 -> Do not keep selection when not highlighted. +// (This disables the keepSelection resource). +// Ps = 1 0 4 1 -> Use the PRIMARY selection. (This disables +// the selectToClipboard resource). +// Ps = 1 0 4 2 -> Disable Urgency window manager hint when +// Control-G is received. (This disables the bellIsUrgent +// resource). +// Ps = 1 0 4 3 -> Disable raising of the window when Control- +// G is received. (This disables the popOnBell resource). +// Ps = 1 0 4 7 -> Use Normal Screen Buffer, clearing screen +// first if in the Alternate Screen. (This may be disabled by +// the titeInhibit resource). +// Ps = 1 0 4 8 -> Restore cursor as in DECRC. (This may be +// disabled by the titeInhibit resource). +// Ps = 1 0 4 9 -> Use Normal Screen Buffer and restore cursor +// as in DECRC. (This may be disabled by the titeInhibit +// resource). This combines the effects of the 1 0 4 7 and 1 0 +// 4 8 modes. Use this with terminfo-based applications rather +// than the 4 7 mode. +// Ps = 1 0 5 0 -> Reset terminfo/termcap function-key mode. +// Ps = 1 0 5 1 -> Reset Sun function-key mode. +// Ps = 1 0 5 2 -> Reset HP function-key mode. +// Ps = 1 0 5 3 -> Reset SCO function-key mode. +// Ps = 1 0 6 0 -> Reset legacy keyboard emulation (X11R6). +// Ps = 1 0 6 1 -> Reset keyboard emulation to Sun/PC style. +// Ps = 2 0 0 4 -> Reset bracketed paste mode. +Terminal.prototype.resetMode = function(params) { + if (typeof params === 'object') { + var l = params.length + , i = 0; + + for (; i < l; i++) { + this.resetMode(params[i]); + } + + return; + } + + if (!this.prefix) { + switch (params) { + case 4: + this.insertMode = false; + break; + case 20: + //this.convertEol = false; + break; + } + } else if (this.prefix === '?') { + switch (params) { + case 1: + this.applicationCursor = false; + break; + case 3: + if (this.cols === 132 && this.savedCols) { + this.resize(this.savedCols, this.rows); + } + delete this.savedCols; + break; + case 6: + this.originMode = false; + break; + case 7: + this.wraparoundMode = false; + break; + case 12: + // this.cursorBlink = false; + break; + case 66: + this.log('Switching back to normal keypad.'); + this.applicationKeypad = false; + break; + case 9: // X10 Mouse + case 1000: // vt200 mouse + case 1002: // button event mouse + case 1003: // any event mouse + this.x10Mouse = false; + this.vt200Mouse = false; + this.normalMouse = false; + this.mouseEvents = false; + this.element.style.cursor = ''; + break; + case 1004: // send focusin/focusout events + this.sendFocus = false; + break; + case 1005: // utf8 ext mode mouse + this.utfMouse = false; + break; + case 1006: // sgr ext mode mouse + this.sgrMouse = false; + break; + case 1015: // urxvt ext mode mouse + this.urxvtMouse = false; + break; + case 25: // hide cursor + this.cursorHidden = true; + break; + case 1049: // alt screen buffer cursor + ; // FALL-THROUGH + case 47: // normal screen buffer + case 1047: // normal screen buffer - clearing it first + if (this.normal) { + this.lines = this.normal.lines; + this.ybase = this.normal.ybase; + this.ydisp = this.normal.ydisp; + this.x = this.normal.x; + this.y = this.normal.y; + this.scrollTop = this.normal.scrollTop; + this.scrollBottom = this.normal.scrollBottom; + this.tabs = this.normal.tabs; + this.normal = null; + // if (params === 1049) { + // this.x = this.savedX; + // this.y = this.savedY; + // } + this.refresh(0, this.rows - 1); + this.showCursor(); + } + break; + } + } +}; + +// CSI Ps ; Ps r +// Set Scrolling Region [top;bottom] (default = full size of win- +// dow) (DECSTBM). +// CSI ? Pm r +Terminal.prototype.setScrollRegion = function(params) { + if (this.prefix) return; + this.scrollTop = (params[0] || 1) - 1; + this.scrollBottom = (params[1] || this.rows) - 1; + this.x = 0; + this.y = 0; +}; + +// CSI s +// Save cursor (ANSI.SYS). +Terminal.prototype.saveCursor = function(params) { + this.savedX = this.x; + this.savedY = this.y; +}; + +// CSI u +// Restore cursor (ANSI.SYS). +Terminal.prototype.restoreCursor = function(params) { + this.x = this.savedX || 0; + this.y = this.savedY || 0; +}; + +/** + * Lesser Used + */ + +// CSI Ps I +// Cursor Forward Tabulation Ps tab stops (default = 1) (CHT). +Terminal.prototype.cursorForwardTab = function(params) { + var param = params[0] || 1; + while (param--) { + this.x = this.nextStop(); + } +}; + +// CSI Ps S Scroll up Ps lines (default = 1) (SU). +Terminal.prototype.scrollUp = function(params) { + var param = params[0] || 1; + while (param--) { + this.lines.splice(this.ybase + this.scrollTop, 1); + this.lines.splice(this.ybase + this.scrollBottom, 0, this.blankLine()); + } + // this.maxRange(); + this.updateRange(this.scrollTop); + this.updateRange(this.scrollBottom); +}; + +// CSI Ps T Scroll down Ps lines (default = 1) (SD). +Terminal.prototype.scrollDown = function(params) { + var param = params[0] || 1; + while (param--) { + this.lines.splice(this.ybase + this.scrollBottom, 1); + this.lines.splice(this.ybase + this.scrollTop, 0, this.blankLine()); + } + // this.maxRange(); + this.updateRange(this.scrollTop); + this.updateRange(this.scrollBottom); +}; + +// CSI Ps ; Ps ; Ps ; Ps ; Ps T +// Initiate highlight mouse tracking. Parameters are +// [func;startx;starty;firstrow;lastrow]. See the section Mouse +// Tracking. +Terminal.prototype.initMouseTracking = function(params) { + // Relevant: DECSET 1001 +}; + +// CSI > Ps; Ps T +// Reset one or more features of the title modes to the default +// value. Normally, "reset" disables the feature. It is possi- +// ble to disable the ability to reset features by compiling a +// different default for the title modes into xterm. +// Ps = 0 -> Do not set window/icon labels using hexadecimal. +// Ps = 1 -> Do not query window/icon labels using hexadeci- +// mal. +// Ps = 2 -> Do not set window/icon labels using UTF-8. +// Ps = 3 -> Do not query window/icon labels using UTF-8. +// (See discussion of "Title Modes"). +Terminal.prototype.resetTitleModes = function(params) { + ; +}; + +// CSI Ps Z Cursor Backward Tabulation Ps tab stops (default = 1) (CBT). +Terminal.prototype.cursorBackwardTab = function(params) { + var param = params[0] || 1; + while (param--) { + this.x = this.prevStop(); + } +}; + +// CSI Ps b Repeat the preceding graphic character Ps times (REP). +Terminal.prototype.repeatPrecedingCharacter = function(params) { + var param = params[0] || 1 + , line = this.lines[this.ybase + this.y] + , ch = line[this.x - 1] || [this.defAttr, ' ']; + + while (param--) line[this.x++] = ch; +}; + +// CSI Ps g Tab Clear (TBC). +// Ps = 0 -> Clear Current Column (default). +// Ps = 3 -> Clear All. +// Potentially: +// Ps = 2 -> Clear Stops on Line. +// http://vt100.net/annarbor/aaa-ug/section6.html +Terminal.prototype.tabClear = function(params) { + var param = params[0]; + if (param <= 0) { + delete this.tabs[this.x]; + } else if (param === 3) { + this.tabs = {}; + } +}; + +// CSI Pm i Media Copy (MC). +// Ps = 0 -> Print screen (default). +// Ps = 4 -> Turn off printer controller mode. +// Ps = 5 -> Turn on printer controller mode. +// CSI ? Pm i +// Media Copy (MC, DEC-specific). +// Ps = 1 -> Print line containing cursor. +// Ps = 4 -> Turn off autoprint mode. +// Ps = 5 -> Turn on autoprint mode. +// Ps = 1 0 -> Print composed display, ignores DECPEX. +// Ps = 1 1 -> Print all pages. +Terminal.prototype.mediaCopy = function(params) { + ; +}; + +// CSI > Ps; Ps m +// Set or reset resource-values used by xterm to decide whether +// to construct escape sequences holding information about the +// modifiers pressed with a given key. The first parameter iden- +// tifies the resource to set/reset. The second parameter is the +// value to assign to the resource. If the second parameter is +// omitted, the resource is reset to its initial value. +// Ps = 1 -> modifyCursorKeys. +// Ps = 2 -> modifyFunctionKeys. +// Ps = 4 -> modifyOtherKeys. +// If no parameters are given, all resources are reset to their +// initial values. +Terminal.prototype.setResources = function(params) { + ; +}; + +// CSI > Ps n +// Disable modifiers which may be enabled via the CSI > Ps; Ps m +// sequence. This corresponds to a resource value of "-1", which +// cannot be set with the other sequence. The parameter identi- +// fies the resource to be disabled: +// Ps = 1 -> modifyCursorKeys. +// Ps = 2 -> modifyFunctionKeys. +// Ps = 4 -> modifyOtherKeys. +// If the parameter is omitted, modifyFunctionKeys is disabled. +// When modifyFunctionKeys is disabled, xterm uses the modifier +// keys to make an extended sequence of functions rather than +// adding a parameter to each function key to denote the modi- +// fiers. +Terminal.prototype.disableModifiers = function(params) { + ; +}; + +// CSI > Ps p +// Set resource value pointerMode. This is used by xterm to +// decide whether to hide the pointer cursor as the user types. +// Valid values for the parameter: +// Ps = 0 -> never hide the pointer. +// Ps = 1 -> hide if the mouse tracking mode is not enabled. +// Ps = 2 -> always hide the pointer. If no parameter is +// given, xterm uses the default, which is 1 . +Terminal.prototype.setPointerMode = function(params) { + ; +}; + +// CSI ! p Soft terminal reset (DECSTR). +// http://vt100.net/docs/vt220-rm/table4-10.html +Terminal.prototype.softReset = function(params) { + this.cursorHidden = false; + this.insertMode = false; + this.originMode = false; + this.wraparoundMode = false; // autowrap + this.applicationKeypad = false; // ? + this.applicationCursor = false; + this.scrollTop = 0; + this.scrollBottom = this.rows - 1; + this.curAttr = this.defAttr; + this.x = this.y = 0; // ? + this.charset = null; + this.glevel = 0; // ?? + this.charsets = [null]; // ?? +}; + +// CSI Ps$ p +// Request ANSI mode (DECRQM). For VT300 and up, reply is +// CSI Ps; Pm$ y +// where Ps is the mode number as in RM, and Pm is the mode +// value: +// 0 - not recognized +// 1 - set +// 2 - reset +// 3 - permanently set +// 4 - permanently reset +Terminal.prototype.requestAnsiMode = function(params) { + ; +}; + +// CSI ? Ps$ p +// Request DEC private mode (DECRQM). For VT300 and up, reply is +// CSI ? Ps; Pm$ p +// where Ps is the mode number as in DECSET, Pm is the mode value +// as in the ANSI DECRQM. +Terminal.prototype.requestPrivateMode = function(params) { + ; +}; + +// CSI Ps ; Ps " p +// Set conformance level (DECSCL). Valid values for the first +// parameter: +// Ps = 6 1 -> VT100. +// Ps = 6 2 -> VT200. +// Ps = 6 3 -> VT300. +// Valid values for the second parameter: +// Ps = 0 -> 8-bit controls. +// Ps = 1 -> 7-bit controls (always set for VT100). +// Ps = 2 -> 8-bit controls. +Terminal.prototype.setConformanceLevel = function(params) { + ; +}; + +// CSI Ps q Load LEDs (DECLL). +// Ps = 0 -> Clear all LEDS (default). +// Ps = 1 -> Light Num Lock. +// Ps = 2 -> Light Caps Lock. +// Ps = 3 -> Light Scroll Lock. +// Ps = 2 1 -> Extinguish Num Lock. +// Ps = 2 2 -> Extinguish Caps Lock. +// Ps = 2 3 -> Extinguish Scroll Lock. +Terminal.prototype.loadLEDs = function(params) { + ; +}; + +// CSI Ps SP q +// Set cursor style (DECSCUSR, VT520). +// Ps = 0 -> blinking block. +// Ps = 1 -> blinking block (default). +// Ps = 2 -> steady block. +// Ps = 3 -> blinking underline. +// Ps = 4 -> steady underline. +Terminal.prototype.setCursorStyle = function(params) { + ; +}; + +// CSI Ps " q +// Select character protection attribute (DECSCA). Valid values +// for the parameter: +// Ps = 0 -> DECSED and DECSEL can erase (default). +// Ps = 1 -> DECSED and DECSEL cannot erase. +// Ps = 2 -> DECSED and DECSEL can erase. +Terminal.prototype.setCharProtectionAttr = function(params) { + ; +}; + +// CSI ? Pm r +// Restore DEC Private Mode Values. The value of Ps previously +// saved is restored. Ps values are the same as for DECSET. +Terminal.prototype.restorePrivateValues = function(params) { + ; +}; + +// CSI Pt; Pl; Pb; Pr; Ps$ r +// Change Attributes in Rectangular Area (DECCARA), VT400 and up. +// Pt; Pl; Pb; Pr denotes the rectangle. +// Ps denotes the SGR attributes to change: 0, 1, 4, 5, 7. +// NOTE: xterm doesn't enable this code by default. +Terminal.prototype.setAttrInRectangle = function(params) { + var t = params[0] + , l = params[1] + , b = params[2] + , r = params[3] + , attr = params[4]; + + var line + , i; + + for (; t < b + 1; t++) { + line = this.lines[this.ybase + t]; + for (i = l; i < r; i++) { + line[i] = [attr, line[i][1]]; + } + } + + // this.maxRange(); + this.updateRange(params[0]); + this.updateRange(params[2]); +}; + +// CSI ? Pm s +// Save DEC Private Mode Values. Ps values are the same as for +// DECSET. +Terminal.prototype.savePrivateValues = function(params) { + ; +}; + +// CSI Ps ; Ps ; Ps t +// Window manipulation (from dtterm, as well as extensions). +// These controls may be disabled using the allowWindowOps +// resource. Valid values for the first (and any additional +// parameters) are: +// Ps = 1 -> De-iconify window. +// Ps = 2 -> Iconify window. +// Ps = 3 ; x ; y -> Move window to [x, y]. +// Ps = 4 ; height ; width -> Resize the xterm window to +// height and width in pixels. +// Ps = 5 -> Raise the xterm window to the front of the stack- +// ing order. +// Ps = 6 -> Lower the xterm window to the bottom of the +// stacking order. +// Ps = 7 -> Refresh the xterm window. +// Ps = 8 ; height ; width -> Resize the text area to +// [height;width] in characters. +// Ps = 9 ; 0 -> Restore maximized window. +// Ps = 9 ; 1 -> Maximize window (i.e., resize to screen +// size). +// Ps = 1 0 ; 0 -> Undo full-screen mode. +// Ps = 1 0 ; 1 -> Change to full-screen. +// Ps = 1 1 -> Report xterm window state. If the xterm window +// is open (non-iconified), it returns CSI 1 t . If the xterm +// window is iconified, it returns CSI 2 t . +// Ps = 1 3 -> Report xterm window position. Result is CSI 3 +// ; x ; y t +// Ps = 1 4 -> Report xterm window in pixels. Result is CSI +// 4 ; height ; width t +// Ps = 1 8 -> Report the size of the text area in characters. +// Result is CSI 8 ; height ; width t +// Ps = 1 9 -> Report the size of the screen in characters. +// Result is CSI 9 ; height ; width t +// Ps = 2 0 -> Report xterm window's icon label. Result is +// OSC L label ST +// Ps = 2 1 -> Report xterm window's title. Result is OSC l +// label ST +// Ps = 2 2 ; 0 -> Save xterm icon and window title on +// stack. +// Ps = 2 2 ; 1 -> Save xterm icon title on stack. +// Ps = 2 2 ; 2 -> Save xterm window title on stack. +// Ps = 2 3 ; 0 -> Restore xterm icon and window title from +// stack. +// Ps = 2 3 ; 1 -> Restore xterm icon title from stack. +// Ps = 2 3 ; 2 -> Restore xterm window title from stack. +// Ps >= 2 4 -> Resize to Ps lines (DECSLPP). +Terminal.prototype.manipulateWindow = function(params) { + ; +}; + +// CSI Pt; Pl; Pb; Pr; Ps$ t +// Reverse Attributes in Rectangular Area (DECRARA), VT400 and +// up. +// Pt; Pl; Pb; Pr denotes the rectangle. +// Ps denotes the attributes to reverse, i.e., 1, 4, 5, 7. +// NOTE: xterm doesn't enable this code by default. +Terminal.prototype.reverseAttrInRectangle = function(params) { + ; +}; + +// CSI > Ps; Ps t +// Set one or more features of the title modes. Each parameter +// enables a single feature. +// Ps = 0 -> Set window/icon labels using hexadecimal. +// Ps = 1 -> Query window/icon labels using hexadecimal. +// Ps = 2 -> Set window/icon labels using UTF-8. +// Ps = 3 -> Query window/icon labels using UTF-8. (See dis- +// cussion of "Title Modes") +Terminal.prototype.setTitleModeFeature = function(params) { + ; +}; + +// CSI Ps SP t +// Set warning-bell volume (DECSWBV, VT520). +// Ps = 0 or 1 -> off. +// Ps = 2 , 3 or 4 -> low. +// Ps = 5 , 6 , 7 , or 8 -> high. +Terminal.prototype.setWarningBellVolume = function(params) { + ; +}; + +// CSI Ps SP u +// Set margin-bell volume (DECSMBV, VT520). +// Ps = 1 -> off. +// Ps = 2 , 3 or 4 -> low. +// Ps = 0 , 5 , 6 , 7 , or 8 -> high. +Terminal.prototype.setMarginBellVolume = function(params) { + ; +}; + +// CSI Pt; Pl; Pb; Pr; Pp; Pt; Pl; Pp$ v +// Copy Rectangular Area (DECCRA, VT400 and up). +// Pt; Pl; Pb; Pr denotes the rectangle. +// Pp denotes the source page. +// Pt; Pl denotes the target location. +// Pp denotes the target page. +// NOTE: xterm doesn't enable this code by default. +Terminal.prototype.copyRectangle = function(params) { + ; +}; + +// CSI Pt ; Pl ; Pb ; Pr ' w +// Enable Filter Rectangle (DECEFR), VT420 and up. +// Parameters are [top;left;bottom;right]. +// Defines the coordinates of a filter rectangle and activates +// it. Anytime the locator is detected outside of the filter +// rectangle, an outside rectangle event is generated and the +// rectangle is disabled. Filter rectangles are always treated +// as "one-shot" events. Any parameters that are omitted default +// to the current locator position. If all parameters are omit- +// ted, any locator motion will be reported. DECELR always can- +// cels any prevous rectangle definition. +Terminal.prototype.enableFilterRectangle = function(params) { + ; +}; + +// CSI Ps x Request Terminal Parameters (DECREQTPARM). +// if Ps is a "0" (default) or "1", and xterm is emulating VT100, +// the control sequence elicits a response of the same form whose +// parameters describe the terminal: +// Ps -> the given Ps incremented by 2. +// Pn = 1 <- no parity. +// Pn = 1 <- eight bits. +// Pn = 1 <- 2 8 transmit 38.4k baud. +// Pn = 1 <- 2 8 receive 38.4k baud. +// Pn = 1 <- clock multiplier. +// Pn = 0 <- STP flags. +Terminal.prototype.requestParameters = function(params) { + ; +}; + +// CSI Ps x Select Attribute Change Extent (DECSACE). +// Ps = 0 -> from start to end position, wrapped. +// Ps = 1 -> from start to end position, wrapped. +// Ps = 2 -> rectangle (exact). +Terminal.prototype.selectChangeExtent = function(params) { + ; +}; + +// CSI Pc; Pt; Pl; Pb; Pr$ x +// Fill Rectangular Area (DECFRA), VT420 and up. +// Pc is the character to use. +// Pt; Pl; Pb; Pr denotes the rectangle. +// NOTE: xterm doesn't enable this code by default. +Terminal.prototype.fillRectangle = function(params) { + var ch = params[0] + , t = params[1] + , l = params[2] + , b = params[3] + , r = params[4]; + + var line + , i; + + for (; t < b + 1; t++) { + line = this.lines[this.ybase + t]; + for (i = l; i < r; i++) { + line[i] = [line[i][0], String.fromCharCode(ch)]; + } + } + + // this.maxRange(); + this.updateRange(params[1]); + this.updateRange(params[3]); +}; + +// CSI Ps ; Pu ' z +// Enable Locator Reporting (DECELR). +// Valid values for the first parameter: +// Ps = 0 -> Locator disabled (default). +// Ps = 1 -> Locator enabled. +// Ps = 2 -> Locator enabled for one report, then disabled. +// The second parameter specifies the coordinate unit for locator +// reports. +// Valid values for the second parameter: +// Pu = 0 <- or omitted -> default to character cells. +// Pu = 1 <- device physical pixels. +// Pu = 2 <- character cells. +Terminal.prototype.enableLocatorReporting = function(params) { + var val = params[0] > 0; + //this.mouseEvents = val; + //this.decLocator = val; +}; + +// CSI Pt; Pl; Pb; Pr$ z +// Erase Rectangular Area (DECERA), VT400 and up. +// Pt; Pl; Pb; Pr denotes the rectangle. +// NOTE: xterm doesn't enable this code by default. +Terminal.prototype.eraseRectangle = function(params) { + var t = params[0] + , l = params[1] + , b = params[2] + , r = params[3]; + + var line + , i + , ch; + + ch = [this.eraseAttr(), ' ']; // xterm? + + for (; t < b + 1; t++) { + line = this.lines[this.ybase + t]; + for (i = l; i < r; i++) { + line[i] = ch; + } + } + + // this.maxRange(); + this.updateRange(params[0]); + this.updateRange(params[2]); +}; + +// CSI Pm ' { +// Select Locator Events (DECSLE). +// Valid values for the first (and any additional parameters) +// are: +// Ps = 0 -> only respond to explicit host requests (DECRQLP). +// (This is default). It also cancels any filter +// rectangle. +// Ps = 1 -> report button down transitions. +// Ps = 2 -> do not report button down transitions. +// Ps = 3 -> report button up transitions. +// Ps = 4 -> do not report button up transitions. +Terminal.prototype.setLocatorEvents = function(params) { + ; +}; + +// CSI Pt; Pl; Pb; Pr$ { +// Selective Erase Rectangular Area (DECSERA), VT400 and up. +// Pt; Pl; Pb; Pr denotes the rectangle. +Terminal.prototype.selectiveEraseRectangle = function(params) { + ; +}; + +// CSI Ps ' | +// Request Locator Position (DECRQLP). +// Valid values for the parameter are: +// Ps = 0 , 1 or omitted -> transmit a single DECLRP locator +// report. + +// If Locator Reporting has been enabled by a DECELR, xterm will +// respond with a DECLRP Locator Report. This report is also +// generated on button up and down events if they have been +// enabled with a DECSLE, or when the locator is detected outside +// of a filter rectangle, if filter rectangles have been enabled +// with a DECEFR. + +// -> CSI Pe ; Pb ; Pr ; Pc ; Pp & w + +// Parameters are [event;button;row;column;page]. +// Valid values for the event: +// Pe = 0 -> locator unavailable - no other parameters sent. +// Pe = 1 -> request - xterm received a DECRQLP. +// Pe = 2 -> left button down. +// Pe = 3 -> left button up. +// Pe = 4 -> middle button down. +// Pe = 5 -> middle button up. +// Pe = 6 -> right button down. +// Pe = 7 -> right button up. +// Pe = 8 -> M4 button down. +// Pe = 9 -> M4 button up. +// Pe = 1 0 -> locator outside filter rectangle. +// ``button'' parameter is a bitmask indicating which buttons are +// pressed: +// Pb = 0 <- no buttons down. +// Pb & 1 <- right button down. +// Pb & 2 <- middle button down. +// Pb & 4 <- left button down. +// Pb & 8 <- M4 button down. +// ``row'' and ``column'' parameters are the coordinates of the +// locator position in the xterm window, encoded as ASCII deci- +// mal. +// The ``page'' parameter is not used by xterm, and will be omit- +// ted. +Terminal.prototype.requestLocatorPosition = function(params) { + ; +}; + +// CSI P m SP } +// Insert P s Column(s) (default = 1) (DECIC), VT420 and up. +// NOTE: xterm doesn't enable this code by default. +Terminal.prototype.insertColumns = function() { + var param = params[0] + , l = this.ybase + this.rows + , ch = [this.eraseAttr(), ' '] // xterm? + , i; + + while (param--) { + for (i = this.ybase; i < l; i++) { + this.lines[i].splice(this.x + 1, 0, ch); + this.lines[i].pop(); + } + } + + this.maxRange(); +}; + +// CSI P m SP ~ +// Delete P s Column(s) (default = 1) (DECDC), VT420 and up +// NOTE: xterm doesn't enable this code by default. +Terminal.prototype.deleteColumns = function() { + var param = params[0] + , l = this.ybase + this.rows + , ch = [this.eraseAttr(), ' '] // xterm? + , i; + + while (param--) { + for (i = this.ybase; i < l; i++) { + this.lines[i].splice(this.x, 1); + this.lines[i].push(ch); + } + } + + this.maxRange(); +}; + +/** + * Prefix/Select/Visual/Search Modes + */ + +Terminal.prototype.enterPrefix = function() { + this.prefixMode = true; +}; + +Terminal.prototype.leavePrefix = function() { + this.prefixMode = false; +}; + +Terminal.prototype.enterSelect = function() { + this._real = { + x: this.x, + y: this.y, + ydisp: this.ydisp, + ybase: this.ybase, + cursorHidden: this.cursorHidden, + lines: this.copyBuffer(this.lines), + write: this.write + }; + this.write = function() {}; + this.selectMode = true; + this.visualMode = false; + this.cursorHidden = false; + this.refresh(this.y, this.y); +}; + +Terminal.prototype.leaveSelect = function() { + this.x = this._real.x; + this.y = this._real.y; + this.ydisp = this._real.ydisp; + this.ybase = this._real.ybase; + this.cursorHidden = this._real.cursorHidden; + this.lines = this._real.lines; + this.write = this._real.write; + delete this._real; + this.selectMode = false; + this.visualMode = false; + this.refresh(0, this.rows - 1); +}; + +Terminal.prototype.enterVisual = function() { + this._real.preVisual = this.copyBuffer(this.lines); + this.selectText(this.x, this.x, this.ydisp + this.y, this.ydisp + this.y); + this.visualMode = true; +}; + +Terminal.prototype.leaveVisual = function() { + this.lines = this._real.preVisual; + delete this._real.preVisual; + delete this._selected; + this.visualMode = false; + this.refresh(0, this.rows - 1); +}; + +Terminal.prototype.enterSearch = function(down) { + this.entry = ''; + this.searchMode = true; + this.searchDown = down; + this._real.preSearch = this.copyBuffer(this.lines); + this._real.preSearchX = this.x; + this._real.preSearchY = this.y; + + var bottom = this.ydisp + this.rows - 1; + for (var i = 0; i < this.entryPrefix.length; i++) { + //this.lines[bottom][i][0] = (this.defAttr & ~0x1ff) | 4; + //this.lines[bottom][i][1] = this.entryPrefix[i]; + this.lines[bottom][i] = [ + (this.defAttr & ~0x1ff) | 4, + this.entryPrefix[i] + ]; + } + + this.y = this.rows - 1; + this.x = this.entryPrefix.length; + + this.refresh(this.rows - 1, this.rows - 1); +}; + +Terminal.prototype.leaveSearch = function() { + this.searchMode = false; + + if (this._real.preSearch) { + this.lines = this._real.preSearch; + this.x = this._real.preSearchX; + this.y = this._real.preSearchY; + delete this._real.preSearch; + delete this._real.preSearchX; + delete this._real.preSearchY; + } + + this.refresh(this.rows - 1, this.rows - 1); +}; + +Terminal.prototype.copyBuffer = function(lines) { + var lines = lines || this.lines + , out = []; + + for (var y = 0; y < lines.length; y++) { + out[y] = []; + for (var x = 0; x < lines[y].length; x++) { + out[y][x] = [lines[y][x][0], lines[y][x][1]]; + } + } + + return out; +}; + +Terminal.prototype.getCopyTextarea = function(text) { + var textarea = this._copyTextarea + , document = this.document; + + if (!textarea) { + textarea = document.createElement('textarea'); + textarea.style.position = 'absolute'; + textarea.style.left = '-32000px'; + textarea.style.top = '-32000px'; + textarea.style.width = '0px'; + textarea.style.height = '0px'; + textarea.style.opacity = '0'; + textarea.style.backgroundColor = 'transparent'; + textarea.style.borderStyle = 'none'; + textarea.style.outlineStyle = 'none'; + + document.getElementsByTagName('body')[0].appendChild(textarea); + + this._copyTextarea = textarea; + } + + return textarea; +}; + +// NOTE: Only works for primary selection on X11. +// Non-X11 users should use Ctrl-C instead. +Terminal.prototype.copyText = function(text) { + var self = this + , textarea = this.getCopyTextarea(); + + this.emit('copy', text); + + textarea.focus(); + textarea.textContent = text; + textarea.value = text; + textarea.setSelectionRange(0, text.length); + + setTimeout(function() { + self.element.focus(); + self.focus(); + }, 1); +}; + +Terminal.prototype.selectText = function(x1, x2, y1, y2) { + var ox1 + , ox2 + , oy1 + , oy2 + , tmp + , x + , y + , xl + , attr; + + if (this._selected) { + ox1 = this._selected.x1; + ox2 = this._selected.x2; + oy1 = this._selected.y1; + oy2 = this._selected.y2; + + if (oy2 < oy1) { + tmp = ox2; + ox2 = ox1; + ox1 = tmp; + tmp = oy2; + oy2 = oy1; + oy1 = tmp; + } + + if (ox2 < ox1 && oy1 === oy2) { + tmp = ox2; + ox2 = ox1; + ox1 = tmp; + } + + for (y = oy1; y <= oy2; y++) { + x = 0; + xl = this.cols - 1; + if (y === oy1) { + x = ox1; + } + if (y === oy2) { + xl = ox2; + } + for (; x <= xl; x++) { + if (this.lines[y][x].old != null) { + //this.lines[y][x][0] = this.lines[y][x].old; + //delete this.lines[y][x].old; + attr = this.lines[y][x].old; + delete this.lines[y][x].old; + this.lines[y][x] = [attr, this.lines[y][x][1]]; + } + } + } + + y1 = this._selected.y1; + x1 = this._selected.x1; + } + + y1 = Math.max(y1, 0); + y1 = Math.min(y1, this.ydisp + this.rows - 1); + + y2 = Math.max(y2, 0); + y2 = Math.min(y2, this.ydisp + this.rows - 1); + + this._selected = { x1: x1, x2: x2, y1: y1, y2: y2 }; + + if (y2 < y1) { + tmp = x2; + x2 = x1; + x1 = tmp; + tmp = y2; + y2 = y1; + y1 = tmp; + } + + if (x2 < x1 && y1 === y2) { + tmp = x2; + x2 = x1; + x1 = tmp; + } + + for (y = y1; y <= y2; y++) { + x = 0; + xl = this.cols - 1; + if (y === y1) { + x = x1; + } + if (y === y2) { + xl = x2; + } + for (; x <= xl; x++) { + //this.lines[y][x].old = this.lines[y][x][0]; + //this.lines[y][x][0] &= ~0x1ff; + //this.lines[y][x][0] |= (0x1ff << 9) | 4; + attr = this.lines[y][x][0]; + this.lines[y][x] = [ + (attr & ~0x1ff) | ((0x1ff << 9) | 4), + this.lines[y][x][1] + ]; + this.lines[y][x].old = attr; + } + } + + y1 = y1 - this.ydisp; + y2 = y2 - this.ydisp; + + y1 = Math.max(y1, 0); + y1 = Math.min(y1, this.rows - 1); + + y2 = Math.max(y2, 0); + y2 = Math.min(y2, this.rows - 1); + + //this.refresh(y1, y2); + this.refresh(0, this.rows - 1); +}; + +Terminal.prototype.grabText = function(x1, x2, y1, y2) { + var out = '' + , buf = '' + , ch + , x + , y + , xl + , tmp; + + if (y2 < y1) { + tmp = x2; + x2 = x1; + x1 = tmp; + tmp = y2; + y2 = y1; + y1 = tmp; + } + + if (x2 < x1 && y1 === y2) { + tmp = x2; + x2 = x1; + x1 = tmp; + } + + for (y = y1; y <= y2; y++) { + x = 0; + xl = this.cols - 1; + if (y === y1) { + x = x1; + } + if (y === y2) { + xl = x2; + } + for (; x <= xl; x++) { + ch = this.lines[y][x][1]; + if (ch === ' ') { + buf += ch; + continue; + } + if (buf) { + out += buf; + buf = ''; + } + out += ch; + if (isWide(ch)) x++; + } + buf = ''; + out += '\n'; + } + + // If we're not at the end of the + // line, don't add a newline. + for (x = x2, y = y2; x < this.cols; x++) { + if (this.lines[y][x][1] !== ' ') { + out = out.slice(0, -1); + break; + } + } + + return out; +}; + +Terminal.prototype.keyPrefix = function(ev, key) { + if (key === 'k' || key === '&') { + this.destroy(); + } else if (key === 'p' || key === ']') { + this.emit('request paste'); + } else if (key === 'c') { + this.emit('request create'); + } else if (key >= '0' && key <= '9') { + key = +key - 1; + if (!~key) key = 9; + this.emit('request term', key); + } else if (key === 'n') { + this.emit('request term next'); + } else if (key === 'P') { + this.emit('request term previous'); + } else if (key === ':') { + this.emit('request command mode'); + } else if (key === '[') { + this.enterSelect(); + } +}; + +Terminal.prototype.keySelect = function(ev, key) { + this.showCursor(); + + if (this.searchMode || key === 'n' || key === 'N') { + return this.keySearch(ev, key); + } + + if (key === '\x04') { // ctrl-d + var y = this.ydisp + this.y; + if (this.ydisp === this.ybase) { + // Mimic vim behavior + this.y = Math.min(this.y + (this.rows - 1) / 2 | 0, this.rows - 1); + this.refresh(0, this.rows - 1); + } else { + this.scrollDisp((this.rows - 1) / 2 | 0); + } + if (this.visualMode) { + this.selectText(this.x, this.x, y, this.ydisp + this.y); + } + return; + } + + if (key === '\x15') { // ctrl-u + var y = this.ydisp + this.y; + if (this.ydisp === 0) { + // Mimic vim behavior + this.y = Math.max(this.y - (this.rows - 1) / 2 | 0, 0); + this.refresh(0, this.rows - 1); + } else { + this.scrollDisp(-(this.rows - 1) / 2 | 0); + } + if (this.visualMode) { + this.selectText(this.x, this.x, y, this.ydisp + this.y); + } + return; + } + + if (key === '\x06') { // ctrl-f + var y = this.ydisp + this.y; + this.scrollDisp(this.rows - 1); + if (this.visualMode) { + this.selectText(this.x, this.x, y, this.ydisp + this.y); + } + return; + } + + if (key === '\x02') { // ctrl-b + var y = this.ydisp + this.y; + this.scrollDisp(-(this.rows - 1)); + if (this.visualMode) { + this.selectText(this.x, this.x, y, this.ydisp + this.y); + } + return; + } + + if (key === 'k' || key === '\x1b[A') { + var y = this.ydisp + this.y; + this.y--; + if (this.y < 0) { + this.y = 0; + this.scrollDisp(-1); + } + if (this.visualMode) { + this.selectText(this.x, this.x, y, this.ydisp + this.y); + } else { + this.refresh(this.y, this.y + 1); + } + return; + } + + if (key === 'j' || key === '\x1b[B') { + var y = this.ydisp + this.y; + this.y++; + if (this.y >= this.rows) { + this.y = this.rows - 1; + this.scrollDisp(1); + } + if (this.visualMode) { + this.selectText(this.x, this.x, y, this.ydisp + this.y); + } else { + this.refresh(this.y - 1, this.y); + } + return; + } + + if (key === 'h' || key === '\x1b[D') { + var x = this.x; + this.x--; + if (this.x < 0) { + this.x = 0; + } + if (this.visualMode) { + this.selectText(x, this.x, this.ydisp + this.y, this.ydisp + this.y); + } else { + this.refresh(this.y, this.y); + } + return; + } + + if (key === 'l' || key === '\x1b[C') { + var x = this.x; + this.x++; + if (this.x >= this.cols) { + this.x = this.cols - 1; + } + if (this.visualMode) { + this.selectText(x, this.x, this.ydisp + this.y, this.ydisp + this.y); + } else { + this.refresh(this.y, this.y); + } + return; + } + + if (key === 'v' || key === ' ') { + if (!this.visualMode) { + this.enterVisual(); + } else { + this.leaveVisual(); + } + return; + } + + if (key === 'y') { + if (this.visualMode) { + var text = this.grabText( + this._selected.x1, this._selected.x2, + this._selected.y1, this._selected.y2); + this.copyText(text); + this.leaveVisual(); + // this.leaveSelect(); + } + return; + } + + if (key === 'q' || key === '\x1b') { + if (this.visualMode) { + this.leaveVisual(); + } else { + this.leaveSelect(); + } + return; + } + + if (key === 'w' || key === 'W') { + var ox = this.x; + var oy = this.y; + var oyd = this.ydisp; + + var x = this.x; + var y = this.y; + var yb = this.ydisp; + var saw_space = false; + + for (;;) { + var line = this.lines[yb + y]; + while (x < this.cols) { + if (line[x][1] <= ' ') { + saw_space = true; + } else if (saw_space) { + break; + } + x++; + } + if (x >= this.cols) x = this.cols - 1; + if (x === this.cols - 1 && line[x][1] <= ' ') { + x = 0; + if (++y >= this.rows) { + y--; + if (++yb > this.ybase) { + yb = this.ybase; + x = this.x; + break; + } + } + continue; + } + break; + } + + this.x = x, this.y = y; + this.scrollDisp(-this.ydisp + yb); + + if (this.visualMode) { + this.selectText(ox, this.x, oy + oyd, this.ydisp + this.y); + } + return; + } + + if (key === 'b' || key === 'B') { + var ox = this.x; + var oy = this.y; + var oyd = this.ydisp; + + var x = this.x; + var y = this.y; + var yb = this.ydisp; + + for (;;) { + var line = this.lines[yb + y]; + var saw_space = x > 0 && line[x][1] > ' ' && line[x - 1][1] > ' '; + while (x >= 0) { + if (line[x][1] <= ' ') { + if (saw_space && (x + 1 < this.cols && line[x + 1][1] > ' ')) { + x++; + break; + } else { + saw_space = true; + } + } + x--; + } + if (x < 0) x = 0; + if (x === 0 && (line[x][1] <= ' ' || !saw_space)) { + x = this.cols - 1; + if (--y < 0) { + y++; + if (--yb < 0) { + yb++; + x = 0; + break; + } + } + continue; + } + break; + } + + this.x = x, this.y = y; + this.scrollDisp(-this.ydisp + yb); + + if (this.visualMode) { + this.selectText(ox, this.x, oy + oyd, this.ydisp + this.y); + } + return; + } + + if (key === 'e' || key === 'E') { + var x = this.x + 1; + var y = this.y; + var yb = this.ydisp; + if (x >= this.cols) x--; + + for (;;) { + var line = this.lines[yb + y]; + while (x < this.cols) { + if (line[x][1] <= ' ') { + x++; + } else { + break; + } + } + while (x < this.cols) { + if (line[x][1] <= ' ') { + if (x - 1 >= 0 && line[x - 1][1] > ' ') { + x--; + break; + } + } + x++; + } + if (x >= this.cols) x = this.cols - 1; + if (x === this.cols - 1 && line[x][1] <= ' ') { + x = 0; + if (++y >= this.rows) { + y--; + if (++yb > this.ybase) { + yb = this.ybase; + break; + } + } + continue; + } + break; + } + + this.x = x, this.y = y; + this.scrollDisp(-this.ydisp + yb); + + if (this.visualMode) { + this.selectText(ox, this.x, oy + oyd, this.ydisp + this.y); + } + return; + } + + if (key === '^' || key === '0') { + var ox = this.x; + + if (key === '0') { + this.x = 0; + } else if (key === '^') { + var line = this.lines[this.ydisp + this.y]; + var x = 0; + while (x < this.cols) { + if (line[x][1] > ' ') { + break; + } + x++; + } + if (x >= this.cols) x = this.cols - 1; + this.x = x; + } + + if (this.visualMode) { + this.selectText(ox, this.x, this.ydisp + this.y, this.ydisp + this.y); + } else { + this.refresh(this.y, this.y); + } + return; + } + + if (key === '$') { + var ox = this.x; + var line = this.lines[this.ydisp + this.y]; + var x = this.cols - 1; + while (x >= 0) { + if (line[x][1] > ' ') { + if (this.visualMode && x < this.cols - 1) x++; + break; + } + x--; + } + if (x < 0) x = 0; + this.x = x; + if (this.visualMode) { + this.selectText(ox, this.x, this.ydisp + this.y, this.ydisp + this.y); + } else { + this.refresh(this.y, this.y); + } + return; + } + + if (key === 'g' || key === 'G') { + var ox = this.x; + var oy = this.y; + var oyd = this.ydisp; + if (key === 'g') { + this.x = 0, this.y = 0; + this.scrollDisp(-this.ydisp); + } else if (key === 'G') { + this.x = 0, this.y = this.rows - 1; + this.scrollDisp(this.ybase); + } + if (this.visualMode) { + this.selectText(ox, this.x, oy + oyd, this.ydisp + this.y); + } + return; + } + + if (key === 'H' || key === 'M' || key === 'L') { + var ox = this.x; + var oy = this.y; + if (key === 'H') { + this.x = 0, this.y = 0; + } else if (key === 'M') { + this.x = 0, this.y = this.rows / 2 | 0; + } else if (key === 'L') { + this.x = 0, this.y = this.rows - 1; + } + if (this.visualMode) { + this.selectText(ox, this.x, this.ydisp + oy, this.ydisp + this.y); + } else { + this.refresh(oy, oy); + this.refresh(this.y, this.y); + } + return; + } + + if (key === '{' || key === '}') { + var ox = this.x; + var oy = this.y; + var oyd = this.ydisp; + + var line; + var saw_full = false; + var found = false; + var first_is_space = -1; + var y = this.y + (key === '{' ? -1 : 1); + var yb = this.ydisp; + var i; + + if (key === '{') { + if (y < 0) { + y++; + if (yb > 0) yb--; + } + } else if (key === '}') { + if (y >= this.rows) { + y--; + if (yb < this.ybase) yb++; + } + } + + for (;;) { + line = this.lines[yb + y]; + + for (i = 0; i < this.cols; i++) { + if (line[i][1] > ' ') { + if (first_is_space === -1) { + first_is_space = 0; + } + saw_full = true; + break; + } else if (i === this.cols - 1) { + if (first_is_space === -1) { + first_is_space = 1; + } else if (first_is_space === 0) { + found = true; + } else if (first_is_space === 1) { + if (saw_full) found = true; + } + break; + } + } + + if (found) break; + + if (key === '{') { + y--; + if (y < 0) { + y++; + if (yb > 0) yb--; + else break; + } + } else if (key === '}') { + y++; + if (y >= this.rows) { + y--; + if (yb < this.ybase) yb++; + else break; + } + } + } + + if (!found) { + if (key === '{') { + y = 0; + yb = 0; + } else if (key === '}') { + y = this.rows - 1; + yb = this.ybase; + } + } + + this.x = 0, this.y = y; + this.scrollDisp(-this.ydisp + yb); + + if (this.visualMode) { + this.selectText(ox, this.x, oy + oyd, this.ydisp + this.y); + } + return; + } + + if (key === '/' || key === '?') { + if (!this.visualMode) { + this.enterSearch(key === '/'); + } + return; + } + + return false; +}; + +Terminal.prototype.keySearch = function(ev, key) { + if (key === '\x1b') { + this.leaveSearch(); + return; + } + + if (key === '\r' || (!this.searchMode && (key === 'n' || key === 'N'))) { + this.leaveSearch(); + + var entry = this.entry; + + if (!entry) { + this.refresh(0, this.rows - 1); + return; + } + + var ox = this.x; + var oy = this.y; + var oyd = this.ydisp; + + var line; + var found = false; + var wrapped = false; + var x = this.x + 1; + var y = this.ydisp + this.y; + var yb, i; + var up = key === 'N' + ? this.searchDown + : !this.searchDown; + + for (;;) { + line = this.lines[y]; + + while (x < this.cols) { + for (i = 0; i < entry.length; i++) { + if (x + i >= this.cols) break; + if (line[x + i][1] !== entry[i]) { + break; + } else if (line[x + i][1] === entry[i] && i === entry.length - 1) { + found = true; + break; + } + } + if (found) break; + x += i + 1; + } + if (found) break; + + x = 0; + + if (!up) { + y++; + if (y > this.ybase + this.rows - 1) { + if (wrapped) break; + // this.setMessage('Search wrapped. Continuing at TOP.'); + wrapped = true; + y = 0; + } + } else { + y--; + if (y < 0) { + if (wrapped) break; + // this.setMessage('Search wrapped. Continuing at BOTTOM.'); + wrapped = true; + y = this.ybase + this.rows - 1; + } + } + } + + if (found) { + if (y - this.ybase < 0) { + yb = y; + y = 0; + if (yb > this.ybase) { + y = yb - this.ybase; + yb = this.ybase; + } + } else { + yb = this.ybase; + y -= this.ybase; + } + + this.x = x, this.y = y; + this.scrollDisp(-this.ydisp + yb); + + if (this.visualMode) { + this.selectText(ox, this.x, oy + oyd, this.ydisp + this.y); + } + return; + } + + // this.setMessage("No matches found."); + this.refresh(0, this.rows - 1); + + return; + } + + if (key === '\b' || key === '\x7f') { + if (this.entry.length === 0) return; + var bottom = this.ydisp + this.rows - 1; + this.entry = this.entry.slice(0, -1); + var i = this.entryPrefix.length + this.entry.length; + //this.lines[bottom][i][1] = ' '; + this.lines[bottom][i] = [ + this.lines[bottom][i][0], + ' ' + ]; + this.x--; + this.refresh(this.rows - 1, this.rows - 1); + this.refresh(this.y, this.y); + return; + } + + if (key.length === 1 && key >= ' ' && key <= '~') { + var bottom = this.ydisp + this.rows - 1; + this.entry += key; + var i = this.entryPrefix.length + this.entry.length - 1; + //this.lines[bottom][i][0] = (this.defAttr & ~0x1ff) | 4; + //this.lines[bottom][i][1] = key; + this.lines[bottom][i] = [ + (this.defAttr & ~0x1ff) | 4, + key + ]; + this.x++; + this.refresh(this.rows - 1, this.rows - 1); + this.refresh(this.y, this.y); + return; + } + + return false; +}; + +/** + * Character Sets + */ + +Terminal.charsets = {}; + +// DEC Special Character and Line Drawing Set. +// http://vt100.net/docs/vt102-ug/table5-13.html +// A lot of curses apps use this if they see TERM=xterm. +// testing: echo -e '\e(0a\e(B' +// The xterm output sometimes seems to conflict with the +// reference above. xterm seems in line with the reference +// when running vttest however. +// The table below now uses xterm's output from vttest. +Terminal.charsets.SCLD = { // (0 + '`': '\u25c6', // '���' + 'a': '\u2592', // '���' + 'b': '\u0009', // '\t' + 'c': '\u000c', // '\f' + 'd': '\u000d', // '\r' + 'e': '\u000a', // '\n' + 'f': '\u00b0', // '��' + 'g': '\u00b1', // '��' + 'h': '\u2424', // '\u2424' (NL) + 'i': '\u000b', // '\v' + 'j': '\u2518', // '���' + 'k': '\u2510', // '���' + 'l': '\u250c', // '���' + 'm': '\u2514', // '���' + 'n': '\u253c', // '���' + 'o': '\u23ba', // '���' + 'p': '\u23bb', // '���' + 'q': '\u2500', // '���' + 'r': '\u23bc', // '���' + 's': '\u23bd', // '���' + 't': '\u251c', // '���' + 'u': '\u2524', // '���' + 'v': '\u2534', // '���' + 'w': '\u252c', // '���' + 'x': '\u2502', // '���' + 'y': '\u2264', // '���' + 'z': '\u2265', // '���' + '{': '\u03c0', // '��' + '|': '\u2260', // '���' + '}': '\u00a3', // '��' + '~': '\u00b7' // '��' +}; + +Terminal.charsets.UK = null; // (A +Terminal.charsets.US = null; // (B (USASCII) +Terminal.charsets.Dutch = null; // (4 +Terminal.charsets.Finnish = null; // (C or (5 +Terminal.charsets.French = null; // (R +Terminal.charsets.FrenchCanadian = null; // (Q +Terminal.charsets.German = null; // (K +Terminal.charsets.Italian = null; // (Y +Terminal.charsets.NorwegianDanish = null; // (E or (6 +Terminal.charsets.Spanish = null; // (Z +Terminal.charsets.Swedish = null; // (H or (7 +Terminal.charsets.Swiss = null; // (= +Terminal.charsets.ISOLatin = null; // /A + +/** + * Helpers + */ + +function on(el, type, handler, capture) { + el.addEventListener(type, handler, capture || false); +} + +function off(el, type, handler, capture) { + el.removeEventListener(type, handler, capture || false); +} + +function cancel(ev) { + if (ev.preventDefault) ev.preventDefault(); + ev.returnValue = false; + if (ev.stopPropagation) ev.stopPropagation(); + ev.cancelBubble = true; + return false; +} + +function inherits(child, parent) { + function f() { + this.constructor = child; + } + f.prototype = parent.prototype; + child.prototype = new f; +} + +// if bold is broken, we can't +// use it in the terminal. +function isBoldBroken(document) { + var body = document.getElementsByTagName('body')[0]; + var terminal = document.createElement('div'); + terminal.className = 'terminal'; + var line = document.createElement('div'); + var el = document.createElement('span'); + el.innerHTML = 'hello world'; + line.appendChild(el); + terminal.appendChild(line); + body.appendChild(terminal); + var w1 = el.scrollWidth; + el.style.fontWeight = 'bold'; + var w2 = el.scrollWidth; + body.removeChild(terminal); + return w1 !== w2; +} + +var String = this.String; +var setTimeout = this.setTimeout; +var setInterval = this.setInterval; + +function indexOf(obj, el) { + var i = obj.length; + while (i--) { + if (obj[i] === el) return i; + } + return -1; +} + +function isWide(ch) { + if (ch <= '\uff00') return false; + return (ch >= '\uff01' && ch <= '\uffbe') + || (ch >= '\uffc2' && ch <= '\uffc7') + || (ch >= '\uffca' && ch <= '\uffcf') + || (ch >= '\uffd2' && ch <= '\uffd7') + || (ch >= '\uffda' && ch <= '\uffdc') + || (ch >= '\uffe0' && ch <= '\uffe6') + || (ch >= '\uffe8' && ch <= '\uffee'); +} + +function matchColor(r1, g1, b1) { + var hash = (r1 << 16) | (g1 << 8) | b1; + + if (matchColor._cache[hash] != null) { + return matchColor._cache[hash]; + } + + var ldiff = Infinity + , li = -1 + , i = 0 + , c + , r2 + , g2 + , b2 + , diff; + + for (; i < Terminal.vcolors.length; i++) { + c = Terminal.vcolors[i]; + r2 = c[0]; + g2 = c[1]; + b2 = c[2]; + + diff = matchColor.distance(r1, g1, b1, r2, g2, b2); + + if (diff === 0) { + li = i; + break; + } + + if (diff < ldiff) { + ldiff = diff; + li = i; + } + } + + return matchColor._cache[hash] = li; +} + +matchColor._cache = {}; + +// http://stackoverflow.com/questions/1633828 +matchColor.distance = function(r1, g1, b1, r2, g2, b2) { + return Math.pow(30 * (r1 - r2), 2) + + Math.pow(59 * (g1 - g2), 2) + + Math.pow(11 * (b1 - b2), 2); +}; + +function each(obj, iter, con) { + if (obj.forEach) return obj.forEach(iter, con); + for (var i = 0; i < obj.length; i++) { + iter.call(con, obj[i], i, obj); + } +} + +function keys(obj) { + if (Object.keys) return Object.keys(obj); + var key, keys = []; + for (key in obj) { + if (Object.prototype.hasOwnProperty.call(obj, key)) { + keys.push(key); + } + } + return keys; +} + +/** + * Expose + */ + +Terminal.EventEmitter = EventEmitter; +Terminal.Stream = Stream; +Terminal.inherits = inherits; +Terminal.on = on; +Terminal.off = off; +Terminal.cancel = cancel; + +if (typeof module !== 'undefined') { + module.exports = Terminal; +} else { + this.Terminal = Terminal; +} + +}).call(function() { + return this || (typeof window !== 'undefined' ? window : global); +}()); -- 1.9.1

On 05-02-2016 14:34, Aline Manera wrote: OK :P this comment is actually a way to let the browser knows that this content is loaded dynamically: https://developer.chrome.com/devtools/docs/javascript-debugging ↓↓↓↓ Note: Notice the "//# sourceURL=dynamicScript.js" line at the end of dynamicScript.js file. This technique gives a name to a script created with eval, and will be discussed in more detail in the Source Maps section. Breakpoints can be set in dynamic JavaScript only if it has a user supplied name. ↑↑↑↑ OK -- Jose Ricardo Ziviani ----------------------------- Software Engineer Linux Technology Center - IBM

- Kimchi needs to display an interface which clients can navigate to the web serial console, this commits add a button and the Guest tab to handles it plus a new api entry. Signed-off-by: Jose Ricardo Ziviani <joserz(a)linux.vnet.ibm.com&gt; --- kimchi.conf | 6 ++++++ ui/js/src/kimchi.api.js | 25 +++++++++++++++++++++++++ ui/js/src/kimchi.guest_main.js | 16 ++++++++++++++-- ui/pages/guest.html.tmpl | 5 +++-- 4 files changed, 48 insertions(+), 4 deletions(-) diff --git a/kimchi.conf b/kimchi.conf index 1b0dbb3..211bfb6 100644 --- a/kimchi.conf +++ b/kimchi.conf @@ -22,6 +22,12 @@ tools.staticdir.on = True tools.staticdir.dir = wok.config.PluginPaths('kimchi').state_dir + '/screenshots' tools.nocache.on = False +[/serial] +tools.staticdir.on = True +tools.staticdir.dir = wok.config.PluginPaths('kimchi').ui_dir + '/serial' +tools.nocache.on = False +tools.wokauth.on = True + [/help] tools.staticdir.on = True tools.staticdir.dir = wok.config.PluginPaths('kimchi').ui_dir + '/pages/help' diff --git a/ui/js/src/kimchi.api.js b/ui/js/src/kimchi.api.js index af3034b..4534b50 100644 --- a/ui/js/src/kimchi.api.js +++ b/ui/js/src/kimchi.api.js @@ -291,6 +291,31 @@ var kimchi = { }); }, + serialToVM : function(vm) { + wok.requestJSON({ + url : 'config/', + type : 'GET', + dataType : 'json' + }).done(function(data, textStatus, xhr) { + proxy_port = data['websockets_port']; + ssl_port = data['ssl_port']; + wok.requestJSON({ + url : "plugins/kimchi/vms/" + encodeURIComponent(vm) + "/serial", + type : "POST", + dataType : "json" + }).done(function() { + url = 'https://' + location.hostname + ':' + ssl_port; + url += "/plugins/kimchi/serial/serial.html"; + url += "?port=" + ssl_port; + url += "&path=websockify?token=" + wok.urlSafeB64Encode(vm+'-console').replace(/=*$/g, ""); + url += '&encrypt=1'; + window.open(url); + }); + }).error(function() { + wok.message.error.code('KCHAPI6002E'); + }); + }, + vncToVM : function(vm) { wok.requestJSON({ url : 'config/', diff --git a/ui/js/src/kimchi.guest_main.js b/ui/js/src/kimchi.guest_main.js index 257d76e..10138a8 100644 --- a/ui/js/src/kimchi.guest_main.js +++ b/ui/js/src/kimchi.guest_main.js @@ -1,7 +1,7 @@ /* * Project Kimchi * - * Copyright IBM, Corp. 2013-2015 + * Copyright IBM, Corp. 2013-2016 * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -233,6 +233,12 @@ kimchi.vmedit = function(event) { }); }; +kimchi.openVmSerialConsole = function(event) { + var button = event.target; + var vm = $(button).closest('li[name=guest]'); + kimchi.serialToVM($(vm).attr('id')); +}; + kimchi.openVmConsole = function(event) { var button = event.target; var vm = $(button).closest('li[name=guest]'); @@ -595,7 +601,7 @@ kimchi.createGuestLi = function(vmObject, prevScreenImage, openMenu) { result.addClass('inactive'); result.find('.distro-icon').addClass('inactive'); result.find('.vnc-link').css("display", "none"); - result.find('.column-vnc').html('--'); + result.find('.column-vnc').html('--'); //Hide PowerOff guestActions.find(".shutoff-hidden").hide(); //Hide Pause @@ -604,6 +610,12 @@ kimchi.createGuestLi = function(vmObject, prevScreenImage, openMenu) { guestActions.find(".resume-hidden").hide(); } + var serialConsoleLinkActions = guestActions.find("[name=vm-serial-console]"); + serialConsoleLinkActions.on("click", function(event) { + event.preventDefault(); + kimchi.openVmSerialConsole(event); + }); + var consoleActions = guestActions.find("[name=vm-console]"); var consoleLinkActions = result.find(".vnc-link"); diff --git a/ui/pages/guest.html.tmpl b/ui/pages/guest.html.tmpl index c2d9ba8..ef8d9e3 100644 --- a/ui/pages/guest.html.tmpl +++ b/ui/pages/guest.html.tmpl @@ -1,7 +1,7 @@ #* * Project Kimchi * - * Copyright IBM, Corp. 2013-2015 + * Copyright IBM, Corp. 2013-2016 * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -38,6 +38,7 @@ </button> <ul class="dropdown-menu" role="menu"> <li role="presentation"><a nwAct="connect-vnc" class='shutoff-disabled' name="vm-console" href="#"><i class="fa fa-list-alt"></i>$_("Connect VNC")</a></li> + <li role="presentation"><a nwAct="connect-serial-console" class='shutoff-hidden' name="vm-serial-console" href="#"><i class="fa fa-list-alt"></i>$_("Connect Serial")</a></li> <!-- <li role="presentation"><a nwAct="view-vnc" class='shutoff-disabled' name="vm-view-vnc" href="#"><i class="fa fa-eye"></i>$_("View VNC Console")</a></li> --> <li role="presentation"><a nwAct="edit" name="vm-edit" href="#"><i class="fa fa-pencil"></i>$_("Edit")</a></li> <li role="presentation"><a href="#" nwAct="clone" class='running-disabled' name="vm-clone"><i class="fa fa-copy"></i>$_("Clone")</a></li> @@ -53,7 +54,7 @@ </span> </span><!-- --><span class='column-type distro-icon' style='padding-left: 40px !important'></span><!-- - --><span class='column-vnc'><i class="fa fa-spinner fa-spin"></i><a nwAct="connect-vnc" name="vm-console" class="vnc-link" href="#">$_("View Console")</a></span><!-- + --><span class='column-vnc'><i class="fa fa-spinner fa-spin"></i><a nwAct="connect-vnc" name="vm-console" class="vnc-link" href="#">$_("Open VNC")</a></span><!-- --><span class='column-processors'> <div class="percentage-label processors-percentage"> </div> -- 1.9.1

Signed-off-by: Jose Ricardo Ziviani <joserz(a)linux.vnet.ibm.com&gt; --- tests/test_model.py | 30 +++++++++++++++++++++++++----- 1 file changed, 25 insertions(+), 5 deletions(-) diff --git a/tests/test_model.py b/tests/test_model.py index 762f0f8..1e021e5 100644 --- a/tests/test_model.py +++ b/tests/test_model.py @@ -2,7 +2,7 @@ # # Project Kimchi # -# Copyright IBM, Corp. 2013-2015 +# Copyright IBM, Corp. 2013-2016 # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public @@ -136,10 +136,10 @@ class ModelTests(unittest.TestCase): self.assertEquals('finished', task['status']) vol = inst.storagevolume_lookup(u'default', vol_params['name']) - params = {'name': 'test', 'disks': [{'base': vol['path'], - 'size': 1, 'pool': { - 'name': '/plugins/kimchi/storagepools/default'}}], - 'cdrom': UBUNTU_ISO} + params = {'name': 'test', 'disks': + [{'base': vol['path'], 'size': 1, 'pool': { + 'name': '/plugins/kimchi/storagepools/default'}}], + 'cdrom': UBUNTU_ISO} inst.templates_create(params) rollback.prependDefer(inst.template_delete, 'test') @@ -324,6 +324,26 @@ class ModelTests(unittest.TestCase): inst.template_delete('test') + @unittest.skipUnless(utils.running_as_root(), "Must be run as root") + def test_vm_serial(self): + inst = model.Model(objstore_loc=self.tmp_store) + params = {'name': 'test', 'disks': [], 'cdrom': UBUNTU_ISO} + inst.templates_create(params) + with RollbackContext() as rollback: + params = {'name': 'kimchi-serial', + 'template': '/plugins/kimchi/templates/test'} + task1 = inst.vms_create(params) + inst.task_wait(task1['id']) + rollback.prependDefer(inst.vm_delete, 'kimchi-serial') + + inst.vm_start('kimchi-serial') + rollback.prependDefer(inst.vm_poweroff, 'kimchi-serial') + + inst.vm_serial('kimchi-serial') + self.assertTrue(os.path.exists('/tmp/kimchi-serial')) + + inst.template_delete('test') + @unittest.skipUnless(utils.running_as_root(), 'Must be run as root') def test_vm_ifaces(self): inst = model.Model(objstore_loc=self.tmp_store) -- 1.9.1