def __init__(self, client, parent):
super(gridLayoutWindow, self).__init__()
self.client = client
self.client.userEnterTalkingRoom()
self.peers = {}
self.chatHistory = {"Group Chat":[]}
self.currentChat = "Group Chat"
self.parent = parent
self.chatServer = Chat_Server(client.port, \
self.newPrvMsgSignal)
#print "client.port", client.port
self.chatClient = Chat_Client(client.username)
self.chatServer.start()
self.chatClient.start()
self.getUi()
class gridLayoutWindow(QtGui.QWidget, QtCore.QObject):
newMsgSignal = QtCore.pyqtSignal(str)
newPrvMsgSignal = QtCore.pyqtSignal(str)
chatSwitch = QtCore.pyqtSignal()
#初始话窗口，比如调用客户端代码，开启心跳和接受聊天内容线程
#开启p2p服务端和客户端线程
def __init__(self, client, parent):
super(gridLayoutWindow, self).__init__()
self.client = client
self.client.userEnterTalkingRoom()
self.peers = {}
self.chatHistory = {"Group Chat":[]}
self.currentChat = "Group Chat"
self.parent = parent
self.chatServer = Chat_Server(client.port, \
self.newPrvMsgSignal)
#print "client.port", client.port
self.chatClient = Chat_Client(client.username)
self.chatServer.start()
self.chatClient.start()
self.getUi()
#界面函数
def getUi(self):
grid = QtGui.QGridLayout()
grid.setSpacing(10)
self.dialog = QtGui.QListWidget(self)
self.user_talk = QtGui.QTextEdit(self)
self.sendBtn = QtGui.QPushButton('send', self)
self.sendBtn.resize(50, 30)
btnGrid = QtGui.QGridLayout()
spaceGrid = QtGui.QHBoxLayout()
btnGrid.addLayout(spaceGrid, 0, 1, 1, 3)
btnGrid.addWidget(self.sendBtn, 0, 4)
self.sendBtn.clicked.connect(self.send_msg)
self.users = QtGui.QListWidget(self)
self.users.itemSelectionChanged.connect(self.chat_switch)
self.onlineUserListControl()
self.users.setMaximumWidth(100)
self.add_group_chat_item()
grid.addWidget(self.users, 0, 1, 8, 1)
grid.addWidget(self.dialog, 0, 0, 6, 1)
grid.addWidget(self.user_talk, 6, 0, 2, 1)
grid.addLayout(btnGrid, 9, 0, 1, 1)
self.setLayout(grid)
self.resize(700, 500)
self.center()
self.setWindowTitle('Common talking room')
p = self.palette()
p.setColor(self.backgroundRole(), QtGui.QColor('white'))
self.update = threading.Thread(target=self.updateDialogs)
self.newMsgSignal.connect(self.show_msg)
self.newPrvMsgSignal.connect(self.show_prv_msg)
self.chatSwitch.connect(self.chat_switch)
self.update.start()
#self.show()
#在用户窗口栏加入其他用户的信息
def add_group_chat_item(self):
item = QtGui.QListWidgetItem()
item.setText("Group Chat")
self.users.addItem(item)
#通过其他在线用户列表获取对等方
def get_peers(self):
namePacks = self.client.getOnlineUsers()
for pck in namePacks:
name, host, port = pck.split(' ')
self.peers[name] = (host, int(port))
#更新用户列表
def refresh_user_list(self):
namesToAdd = self.peers.keys()
itemRange = range(self.users.count())
itemRange.reverse()
for i in itemRange:
name = str(self.users.item(i).text())
if name == "Group Chat": continue
if name not in namesToAdd:
self.users.takeItem(i)
else:
namesToAdd.remove(name)
for name in namesToAdd:
item = QtGui.QListWidgetItem()
item.setText(name)
self.users.addItem(item)
#self.users.addStretch(1)
#在群聊和私聊的信息交换
def chat_switch(self):
if self.users.currentItem() != None:
self.currentChat = str(self.users.currentItem().text())
user = self.currentChat
if user not in self.chatHistory:
assert type(user) == str
self.chatHistory[user] = []
self.dialog.clear()
chatCache = self.chatHistory[user][-5:]
for info in chatCache:
self.insert_single_chat(info)
#在窗口更新用户列表
def onlineUserListControl(self):
self.get_peers()
self.refresh_user_list()
#更新用户的聊天内容
def updateDialogs(self):
while self.client.protocol.connected:
s = self.client.getMessage()
if s == "talk":
content = self.client.getRecentDialog()
print "Content:", content, type(content)
self.newMsgSignal.emit(content)
else:
self.onlineUserListControl()
def center(self):
qr = self.frameGeometry()
cp = QtGui.QDesktopWidget().availableGeometry().center()
qr.moveCenter(cp)
self.move(qr.topLeft())
#在用户列表中提取用户信息
def extract_user_from_info(self, info):
info = str(info)
user = info.split("\n")[0].split(" ")[-1]
return user
#为每个聊天的用户添加一个聊天标志颜色
def generate_icon(self, info):
pixmap = QtGui.QPixmap(20, 20)
user = self.extract_user_from_info(info)
color = QtGui.QColor(hash(user)%255,
(hash(user)/2)%255,
(hash(user)/3)%255,
255)
pixmap.fill(color)
icon = QtGui.QIcon(pixmap)
return icon
#添加一个私聊的信息
def insert_single_chat(self, info):
item = QtGui.QListWidgetItem()
item.setText(info)
item.setIcon(self.generate_icon(info))
self.dialog.addItem(item)
#用于切换窗口间的信息显示
def show_msg(self, info):
#user = self.currentChat
#print info, type(info)
info = str(info)
infos = info.split('\n')
info = infos[0] + '\n' + infos[1]
if len(infos) != 3:
user = '******'
else:
user = infos[0].split()[-1]
if user not in self.chatHistory:
assert type(user) == str
self.chatHistory[user] = []
# print "self.client.username={}, self.currentChat={}, user={}".format(self.client.username, self.currentChat, user)
if self.client.username == user:
self.chatHistory[self.currentChat].append(info)
else:
self.chatHistory[user].append(info)
if self.currentChat == user:
self.insert_single_chat(info)
else:
self.chat_switch()
#显示私聊内容
def show_prv_msg(self, info):
user = self.extract_user_from_info(info)
if user not in self.chatHistory:
assert type(user) == str
self.chatHistory[user] = []
print "history:"
print self.chatHistory
infos = str(info).split('\n')
info = infos[0] + '\n' + infos[1]
self.chatHistory[user].append(info)
if self.currentChat == user:
self.insert_single_chat(info)
else:
self.chat_switch()
#发送消息
def send_msg(self):
msg = str(self.user_talk.toPlainText())
name = self.currentChat
if name == "Group Chat":
self.client.send_to_all(msg)
else:
host, port = self.peers[name]
self.chatClient.send(msg, name, host, int(port))
info = ctime()+" "+self.client.username+"\n"+msg+'\n'+'pri'
self.newMsgSignal.emit(info)
self.user_talk.clear()
#关闭窗口事件处理
def closeEvent(self, event):
self.client.leaveApplication()
print 'Already Leave'
event.accept()
# self.exit()
print self.parent
