def connect(self, event):
"""
Button call back, may be either *Connect* or *Disconnect* (same button)
"""
wx.BeginBusyCursor()
if self.connected:
# a disconnect request
name = self.getText()
self.net.send("/quit " + name)
self.add_writeWin('\n')
self.net.join()
# Note: finish this up in lostConnection
else:
# a connect request
self.add_readWin('\n')
# A thread to listen to the network and display messages from server
self.net = ChatConnect(
self.host,
self.rendezvous.connected,
self.rendezvous.display,
self.rendezvous.lost,
)
self.net.start()
# Note: finish this up in connected
#--
wx.EndBusyCursor()
def connect(self, event):
"""
Button call back, may be either *Connect* or *Disconnect* (same button)
"""
wx.BeginBusyCursor()
if self.connected:
# a disconnect request
name = self.getText()
self.net.send("/quit " + name)
self.add_writeWin('\n')
self.net.join()
# Note: finish this up in lostConnection
else:
# a connect request
self.add_readWin('\n')
# A thread to listen to the network and
# display messages from server
self.net = ChatConnect(self.host,
self.rendezvous.connected,
self.rendezvous.display,
self.rendezvous.lost,
)
self.net.start()
# Note: finish this up in connected
#--
wx.EndBusyCursor()
def connect(self, event):
wx.BeginBusyCursor()
if self.connected:
name = self.getText()
self.net.send("/quit " + name)
self.add_writeWin('\n')
self.net.join()
else:
self.add_readWin('\n')
self.net = ChatConnect(self.host,
self.rendezvous.connected,
self.rendezvous.display,
self.rendezvous.lost,
)
self.net.start()
wx.EndBusyCursor()
class ChatFrame(wx.Frame):
"""
The main class containing the wxPython graphical interface.
"""
def __init__(self, parent, id, title):
style=wx.DEFAULT_FRAME_STYLE
wx.Frame.__init__(self, parent, id, title=title,
size=MAIN_WINDOW_DEFAULT_SIZE, style=style)
self.Center() # open in the centre of the screen
wx.BeginBusyCursor()
self.panel = wx.Panel(self)
self.panel.SetBackgroundColour('cadet blue')
self.host = host # host is global
self.Bind(wx.EVT_CLOSE, self.OnExit)
#create a StatusBar and give it 2 columns
self.statusBar = self.CreateStatusBar()
self.statusBar.SetFieldsCount(2)
# A menu to set the server's host name...
self._createMenuBar()
banner = wx.StaticText(self.panel, -1,
"Eye-Some\n"
"Collaboration Tool",
#size = (xmax, -1), pos = (xmax/2,2),
style = wx.ALIGN_CENTER)
banner.SetFont(wx.Font(16, wx.ROMAN, wx.SLANT, wx.NORMAL))
# The window for reading chat messages
self.readWin = wx.TextCtrl(self.panel, -1,
#size = (xmax*.95, ymax*0.1),
style = wx.TE_MULTILINE | wx.TE_READONLY | wx.TE_WORDWRAP)
self.readWin.SetBackgroundColour('wheat')
# The windows for writing chat messages
self.writeWin = wx.TextCtrl(self.panel, -1,
size = (xmax*.95, ymax*0.15),
style = wx.TE_MULTILINE | wx.TE_READONLY | wx.TE_WORDWRAP)
self.writeWin.SetBackgroundColour('light blue')
self.inputWin = wx.TextCtrl(self.panel, -1,
size = (xmax*.95, ymax*0.1),
style = wx.TE_MULTILINE | wx.TE_PROCESS_ENTER | wx.TE_WORDWRAP)
self.inputWin.SetBackgroundColour('light blue')
self.Bind(wx.EVT_TEXT_ENTER, self.send)
# A row of buttons, which is a horizontal BoxSizer
buttonRow = self._makeButtons()
# Create a BoxSizer which grows in the vertical direction
sizer = wx.BoxSizer(wx.VERTICAL)
sizer.Add(banner, 0,
wx.ALIGN_TOP | wx.ALL | wx.FIXED_MINSIZE | wx.ALIGN_CENTER_HORIZONTAL, 5)
sizer.Add(self.readWin, 1, wx.EXPAND | wx.ALL, 5)
sizer.Add(self.writeWin, 0,
wx.EXPAND | wx.TOP | wx.LEFT | wx.RIGHT | wx.ALIGN_BOTTOM, 5)
sizer.Add(self.inputWin, 0,
wx.EXPAND | wx.BOTTOM | wx.LEFT | wx.RIGHT | wx.ALIGN_TOP, 5)
sizer.Add(buttonRow, 0,
wx.ALIGN_BOTTOM | wx.ALL | wx.FIXED_MINSIZE, 5)
# Tell our panel to use this new Sizer
self.panel.SetSizer(sizer)
# Tell our panel to calculate the size of its items.
self.panel.Layout()
#-- Graphics now set-up, set-up Chat client
self.rendezvous = rendezvous.Rendezvous(
self.connected,
self.chatDisplay,
self.lostConnection)
self.readPos = []
self.writePos = []
self.here = True
self.blank_line_len = len(os.linesep)
self._not_connected()
wx.EndBusyCursor()
#-- end of __init__
def _createMenuBar(self):
"Create a menu bar for setting the server host name, and Exit items"
menuServ = wx.Menu()
ResetMenuItem = menuServ.Append(-1, '&Reset Server Name',
'Reset the server to the default name')
HostMenuItem = menuServ.Append(-1, '&Set Server Name',
"Set the server's host name")
menuServ.AppendSeparator()
ExitMenuItem = menuServ.Append(-1, '&Exit',
'Exit the chat application')
self.Bind(wx.EVT_MENU, self.resetServer, ResetMenuItem)
self.Bind(wx.EVT_MENU, self.setServer, HostMenuItem)
self.Bind(wx.EVT_MENU, self.quit, ExitMenuItem)
menuBar = wx.MenuBar()
menuBar.Append(menuServ, '&Server')
self.SetMenuBar(menuBar)
def _makeButtons(self):
"A horizontal sizer (row) of buttons"
quitBtn = wx.Button(self.panel, -1, 'Quit')
self.connectBtn = wx.Button(self.panel, -1, 'Connect')
self.nick_nameBtn = wx.Button(self.panel, -1, 'Set Nick Name')
self.sendBtn = wx.Button(self.panel, -1, 'send')
quitBtn.SetToolTip(wx.ToolTip('Exit the chat application'))
self.connectBtn.SetToolTip(wx.ToolTip('Connect to the chat server'))
self.nick_nameBtn.SetToolTip(wx.ToolTip('Set name you go by'))
self.Bind(wx.EVT_BUTTON, self.quit, quitBtn)
self.Bind(wx.EVT_BUTTON, self.connect, self.connectBtn)
self.Bind(wx.EVT_BUTTON, self.nickName, self.nick_nameBtn)
self.Bind(wx.EVT_BUTTON, self.send, self.sendBtn)
row = wx.BoxSizer(wx.HORIZONTAL)
row.Add( quitBtn, 0, wx.LEFT, 5)
row.Add( self.connectBtn, 0, wx.LEFT, 5)
row.Add( self.nick_nameBtn, 0, wx.LEFT, 5)
row.Add( self.sendBtn, 0, wx.LEFT | wx.RIGHT, 5)
return row
def resetServer(self, event):
"Menu item call back"
self.host = defaulthost
dlg = wx.MessageDialog(self,
"The server is now set to %s" % self.host,
"Server Reset to Default", style=wx.OK )
dlg.ShowModal()
dlg.Destroy()
self.add_readWin("\nServer is now set to %s.\n" % self.host)
def setServer(self, event):
"Menu item call back"
dlg = wx.TextEntryDialog(self,
"Enter the server's host name or IP address",
"New Eyesome Server", style=wx.OK | wx.CANCEL )
if dlg.ShowModal() == wx.ID_OK:
self.host = dlg.GetValue()
dlg.Destroy()
self.add_readWin("\nThe Eyesome server is now set to %s.\n" % self.host)
def _not_connected(self):
"The state of client is not connected - set the GUI to match."
self.connected = False
self.statusBar.SetStatusText('Not connected to Eyesome Server', 1)
self.statusBar.SetStatusText(
"The 'Connect' button lets you connect to Eyesome Server", 0)
self.nick_nameBtn.Disable()
self.nick_nameBtn.Hide()
self.sendBtn.Disable()
self.sendBtn.Hide()
self.connectBtn.SetDefault()
self.clear_readWin()
self.add_readWin(
"This window shows output of your command.")
self.clear_writeWin()
self.add_writeWin(
"This is the window for writing commands.")
# Next several functions implement auto-scrolling in the read and write
# windows.
def clear_readWin(self):
"Clear the reading widow"
self.readWin.Clear()
self.readPos = []
def add_readWin(self, msg):
"Add text to the reading window"
self.readWin.AppendText(msg)
self.readPos.append(self.readWin.GetInsertionPoint())
if len(self.readPos) > 10:
clear = self.readPos.pop(0)
self.readWin.Remove(0, clear)
for i in range(len(self.readPos)):
self.readPos[i] -= clear
if self.readWin.GetNumberOfLines() > 15:
self.readWin.ScrollLines(10)
def clear_writeWin(self):
"Clear the writing window"
self.writeWin.Clear()
self.writePos = []
def add_writeWin(self, msg):
"Add text to the writing window"
if len(msg):
self.writeWin.AppendText(msg)
self.writePos.append(self.writeWin.GetInsertionPoint())
while len(self.writePos) > 10 or \
(len(self.writePos) and self.writePos[0] <= self.blank_line_len):
clear = self.writePos.pop(0)
self.writeWin.Remove(0, clear)
for i in range(len(self.writePos)):
self.writePos[i] -= clear
if self.writeWin.GetNumberOfLines() > 5:
self.writeWin.ScrollLines(5)
def getText(self):
"Read text in from user"
message = string.strip(self.inputWin.GetValue())
self.inputWin.Clear()
self.inputWin.SetInsertionPoint(0)
if len(message):
self.add_writeWin(message + '\n')
return message
else:
return ''
def connect(self, event):
"""
Button call back, may be either *Connect* or *Disconnect* (same button)
"""
wx.BeginBusyCursor()
if self.connected:
# a disconnect request
name = self.getText()
self.net.send("/quit " + name)
self.add_writeWin('\n')
self.net.join()
# Note: finish this up in lostConnection
else:
# a connect request
self.add_readWin('\n')
# A thread to listen to the network and
# display messages from server
self.net = ChatConnect(self.host,
self.rendezvous.connected,
self.rendezvous.display,
self.rendezvous.lost,
)
self.net.start()
# Note: finish this up in connected
#--
wx.EndBusyCursor()
def send(self, event):
"*Send* button (and return key) event call back"
if self.connected:
sendData = self.getText()
if len(sendData):
self.net.send(sendData)
else:
self.add_writeWin('\n')
self.inputWin.SetFocus()
def nickName(self, event):
"*Set Nick Name* button call back"
if self.connected:
name = self.getText()
if len(name):
self.net.send( "/nick " + name )
self.statusBar.SetStatusText("Your Nick Name is " + name, 0)
else:
self.add_writeWin('Enter a name to set your Nick Name\n')
self.inputWin.SetFocus()
# def brb(self, event):
# "*Be Right Back* and *I'm Back* button call back"
# msg = self.getText()
# if self.here:
# # switch from here to away
# self.here = False
# self.brbBtn.SetLabel("I'm Back")
# self.net.send("/brb " + msg)
# self.statusBar.PushStatusText("Click 'I'm Back' to resume chat", 0)
# self.statusBar.PushStatusText("Your status is away", 1)
# self.nick_nameBtn.Disable()
# self.nick_nameBtn.Hide()
# self.sendBtn.Disable()
# self.sendBtn.Hide()
# else:
# # switch from away to here
# self.here = True
# self.brbBtn.SetLabel("Be Right Back")
# self.net.send("/back " + msg)
# self.statusBar.PopStatusText(0)
# self.statusBar.PopStatusText(1)
# self.nick_nameBtn.Enable()
# self.nick_nameBtn.Show()
# self.sendBtn.Enable()
# self.sendBtn.Show()
# #--
# self.inputWin.SetFocus()
def connected(self):
"""
Now connected to the Chat server
Invoked via :func:`wx.CallAfter` in :mod:`rendezvous`.
"""
self.connected = True
self.connectBtn.SetLabel('Disconnect')
self.nick_nameBtn.Enable()
self.nick_nameBtn.Show()
self.sendBtn.Enable()
self.sendBtn.Show()
self.sendBtn.SetDefault()
self.statusBar.SetStatusText(
'Connected to a Eye-Some server', 1)
self.statusBar.SetStatusText(
"return or 'send' to send message", 0)
self.add_readWin('\n\nConnected to Eyesome server\n\n')
self.clear_writeWin()
self.add_writeWin(
"Enter a name click on 'Set Nick Name' to set your identity.\n"
"Type a message and press return or 'Send'.\n")
self.inputWin.SetFocus()
def chatDisplay(self, msg):
"""
Message to display from the chat server.
Invoked via :func:`wx.CallAfter` in :mod:`rendezvous`.
"""
self.add_readWin(msg)
def lostConnection(self, msg):
""""
We lost our connection to the chat server
Invoked via :func:`wx.CallAfter` in :mod:`rendezvous`.
"""
self.connectBtn.SetLabel('Connect')
self._not_connected()
self.add_readWin('\n\n'+ msg)
self.net.join()
def quit(self, event):
"*Quit* button call back"
if self.connected:
self.connected = False
self.net.send("/quit" + self.getText())
self.net.join()
self.Close(True)
def OnExit(self, event):
"Close the application by Destroying the object"
if self.connected:
self.net.send("/quit")
self.net.join()
self.Destroy()
class ChatFrame(wx.Frame):
def __init__(self, parent, id, title):
style=wx.DEFAULT_FRAME_STYLE
wx.Frame.__init__(self, parent, id, title=title,
size=MAIN_WINDOW_DEFAULT_SIZE, style=style)
self.Center()
wx.BeginBusyCursor()
self.panel = wx.Panel(self)
self.panel.SetBackgroundColour('white')
self.host = host
self.Bind(wx.EVT_CLOSE, self.OnExit)
self.statusBar = self.CreateStatusBar()
self.statusBar.SetFieldsCount(2)
self._createMenuBar()
banner_t = u"Chat Client For MaxOSX"
banner = wx.StaticText(self.panel, -1,
banner_t,
style = wx.ALIGN_CENTER)
banner.SetFont(wx.Font(16, wx.ROMAN, wx.SLANT, wx.NORMAL))
self.readWin = wx.TextCtrl(self.panel, -1,
style = wx.TE_MULTILINE | wx.TE_READONLY | wx.TE_WORDWRAP)
self.readWin.SetBackgroundColour('white')
self.writeWin = wx.TextCtrl(self.panel, -1,
size = (xmax*.95, ymax*0.15),
style = wx.TE_MULTILINE | wx.TE_READONLY | wx.TE_WORDWRAP )
self.writeWin.SetBackgroundColour('white')
self.inputWin = wx.TextCtrl(self.panel, -1,
size = (xmax*.95, ymax*0.1),
style = wx.TE_MULTILINE | wx.TE_PROCESS_ENTER | wx.TE_WORDWRAP)
self.inputWin.SetBackgroundColour('white')
self.Bind(wx.EVT_TEXT_ENTER, self.send)
sizer = wx.BoxSizer(wx.VERTICAL)
sizer.Add(banner, 0,
wx.ALIGN_TOP | wx.ALL | wx.FIXED_MINSIZE | wx.ALIGN_CENTER_HORIZONTAL, 5)
sizer.Add(self.readWin, 1, wx.EXPAND | wx.ALL, 5)
sizer.Add(self.writeWin, 0,
wx.EXPAND | wx.TOP | wx.LEFT | wx.RIGHT | wx.ALIGN_BOTTOM, 5)
sizer.Add(self.inputWin, 0,
wx.EXPAND | wx.BOTTOM | wx.LEFT | wx.RIGHT | wx.ALIGN_TOP, 5)
self.panel.SetSizer(sizer)
self.panel.Layout()
self._CreatToolBar()
self.rendezvous = rendezvous.Rendezvous(
self.connected,
self.chatDisplay,
self.lostConnection)
self.readPos = []
self.writePos = []
self.here = True
self.blank_line_len = len(os.linesep)
self._not_connected()
wx.EndBusyCursor()
def _CreatToolBar(self):
ToolBar = self.CreateToolBar()
#connection
connbtn = ToolBar.AddLabelTool(wx.ID_EDIT,'Connect', wx.Bitmap('images/conn.jpg'))
self.ToolBar.AddSeparator()
#quit
qbtn = ToolBar.AddLabelTool(wx.ID_ANY,'Exit',wx.Bitmap('images/exit.jpg'))
self.ToolBar.AddSeparator()
#info
infobtn = ToolBar.AddLabelTool(wx.ID_ABOUT,'Info', wx.Bitmap('images/info.jpg'))
self.Bind(wx.EVT_MENU, self.connect,connbtn)
self.Bind(wx.EVT_MENU, self.OnExit,qbtn)
self.Bind(wx.EVT_MENU, self.OnInfomation,infobtn)
ToolBar.Realize()
def _createMenuBar(self):
self.menuServ = wx.Menu()
menuBar = wx.MenuBar()
menuBar.Append(self.menuServ, '&Menu')
self.SetMenuBar(menuBar)
self.menuServ.Append(-1, '&Connect', 'Connect to Server')
self.Bind(wx.EVT_MENU, self.connect)
self.menuServ.AppendSeparator()
self.menuServ.Append(-1, '&Exit',
'Exit the chat application')
self.Bind(wx.EVT_MENU, self.OnExit)
def _not_connected(self):
self.connected = False
self.statusBar.SetStatusText('Not connected to a chat server', 1)
self.statusBar.SetStatusText(
"The 'Connect' button lets you chat", 0)
self.clear_readWin()
self.add_readWin(
"this window msg from server\n")
self.clear_writeWin()
self.add_writeWin(
"this window msg from user\n")
def clear_readWin(self):
self.readWin.Clear()
self.readPos = []
def add_readWin(self, msg):
self.readWin.AppendText(msg)
self.readPos.append(self.readWin.GetInsertionPoint())
if len(self.readPos) > 10:
clear = self.readPos.pop(0)
self.readWin.Remove(0, clear)
for i in range(len(self.readPos)):
self.readPos[i] -= clear
if self.readWin.GetNumberOfLines() > 15:
self.readWin.ScrollLines(10)
def clear_writeWin(self):
self.writeWin.Clear()
self.writePos = []
def add_writeWin(self, msg):
if len(msg):
self.writeWin.AppendText(msg)
self.writePos.append(self.writeWin.GetInsertionPoint())
while len(self.writePos) > 10 or \
(len(self.writePos) and self.writePos[0] <= self.blank_line_len):
clear = self.writePos.pop(0)
self.writeWin.Remove(0, clear)
for i in range(len(self.writePos)):
self.writePos[i] -= clear
if self.writeWin.GetNumberOfLines() > 5:
self.writeWin.ScrollLines(5)
def getText(self):
message = string.strip(self.inputWin.GetValue())
self.inputWin.Clear()
self.inputWin.SetInsertionPoint(0)
if len(message):
self.add_writeWin(message + '\n')
return message
else:
return ''
def connect(self, event):
wx.BeginBusyCursor()
if self.connected:
name = self.getText()
self.net.send("/quit " + name)
self.add_writeWin('\n')
self.net.join()
else:
self.add_readWin('\n')
self.net = ChatConnect(self.host,
self.rendezvous.connected,
self.rendezvous.display,
self.rendezvous.lost,
)
self.net.start()
wx.EndBusyCursor()
def send(self, event):
if self.connected:
sendData = self.getText()
if len(sendData):
self.net.send(sendData)
else:
self.add_writeWin('\n')
self.inputWin.SetFocus()
def connected(self):
self.connected = True
self.statusBar.SetStatusText(
'Connected to a chat server', 1)
self.statusBar.SetStatusText(
"return to send message", 0)
self.add_readWin('\n\nConnected to a chat server\n\n')
self.clear_writeWin()
self.inputWin.SetFocus()
def chatDisplay(self, msg):
self.add_readWin(msg)
def lostConnection(self, msg):
self._not_connected()
self.add_readWin('\n\n'+ msg)
self.net.join()
def OnExit(self, event):
if self.connected:
self.net.join()
self.Destroy()
def OnInfomation(self, e):
info = wx.MessageDialog(None,'Shock & Awe Losers! \n\t Thanks to KJM ','Infomation',wx.ICON_INFORMATION)
info.ShowModal()
class ChatFrame(wx.Frame):
def __init__(self, parent, id, title):
style = wx.DEFAULT_FRAME_STYLE
wx.Frame.__init__(self,
parent,
id,
title=title,
size=MAIN_WINDOW_DEFAULT_SIZE,
style=style)
self.Center()
wx.BeginBusyCursor()
self.panel = wx.Panel(self)
self.panel.SetBackgroundColour('light blue')
self.host = host
self.Bind(wx.EVT_CLOSE, self.OnExit)
self.statusBar = self.CreateStatusBar()
self.statusBar.SetFieldsCount(2)
self._createMenuBar()
banner = wx.StaticText(self.panel,
-1, "Multithreaded Chat Server-Client\n"
"Network Lab Project",
style=wx.ALIGN_CENTER)
banner.SetFont(wx.Font(16, wx.ROMAN, wx.SLANT, wx.NORMAL))
self.readWin = wx.TextCtrl(self.panel,
-1,
style=wx.TE_MULTILINE | wx.TE_READONLY
| wx.TE_WORDWRAP)
self.readWin.SetBackgroundColour('white')
self.writeWin = wx.TextCtrl(self.panel,
-1,
size=(xmax * .95, ymax * 0.15),
style=wx.TE_MULTILINE | wx.TE_READONLY
| wx.TE_WORDWRAP)
self.writeWin.SetBackgroundColour('white')
self.inputWin = wx.TextCtrl(self.panel,
-1,
size=(xmax * .95, ymax * 0.1),
style=wx.TE_MULTILINE | wx.TE_PROCESS_ENTER
| wx.TE_WORDWRAP)
self.inputWin.SetBackgroundColour('white')
self.Bind(wx.EVT_TEXT_ENTER, self.send)
buttonRow = self._makeButtons()
sizer = wx.BoxSizer(wx.VERTICAL)
sizer.Add(
banner, 0, wx.ALIGN_TOP | wx.ALL | wx.FIXED_MINSIZE
| wx.ALIGN_CENTER_HORIZONTAL, 5)
sizer.Add(self.readWin, 1, wx.EXPAND | wx.ALL, 5)
sizer.Add(self.writeWin, 0,
wx.EXPAND | wx.TOP | wx.LEFT | wx.RIGHT | wx.ALIGN_BOTTOM, 5)
sizer.Add(self.inputWin, 0,
wx.EXPAND | wx.BOTTOM | wx.LEFT | wx.RIGHT | wx.ALIGN_TOP, 5)
sizer.Add(buttonRow, 0, wx.ALIGN_BOTTOM | wx.ALL | wx.FIXED_MINSIZE, 5)
# Tell our panel to use this new Sizer
self.panel.SetSizer(sizer)
# Tell our panel to calculate the size of its items.
self.panel.Layout()
#-- Graphics now set-up, set-up Chat client
self.rendezvous = rendezvous.Rendezvous(self.connected,
self.chatDisplay,
self.lostConnection)
self.readPos = []
self.writePos = []
self.here = True
self.blank_line_len = len(os.linesep)
self._not_connected()
wx.EndBusyCursor()
#-- end of __init__
def _createMenuBar(self):
"Create a menu bar for setting the server host name, and Exit items"
menuServ = wx.Menu()
ResetMenuItem = menuServ.Append(
-1, '&Reset Server Name', 'Reset the server to the default name')
HostMenuItem = menuServ.Append(-1, '&Set Server Name',
"Set the server's host name")
menuServ.AppendSeparator()
ExitMenuItem = menuServ.Append(-1, '&Exit',
'Exit the chat application')
self.Bind(wx.EVT_MENU, self.resetServer, ResetMenuItem)
self.Bind(wx.EVT_MENU, self.setServer, HostMenuItem)
self.Bind(wx.EVT_MENU, self.quit, ExitMenuItem)
menuBar = wx.MenuBar()
menuBar.Append(menuServ, '&Server')
self.SetMenuBar(menuBar)
def _makeButtons(self):
"A horizontal sizer (row) of buttons"
quitBtn = wx.Button(self.panel, -1, 'Quit')
self.connectBtn = wx.Button(self.panel, -1, 'Connect')
self.nick_nameBtn = wx.Button(self.panel, -1, 'Set Nick Name')
self.brbBtn = wx.Button(self.panel, -1, 'Be Right Back')
self.sendBtn = wx.Button(self.panel, -1, 'send')
quitBtn.SetToolTip(wx.ToolTip('Exit the chat application'))
self.connectBtn.SetToolTip(wx.ToolTip('Connect to the chat server'))
self.nick_nameBtn.SetToolTip(wx.ToolTip('Set name you go by'))
self.brbBtn.SetToolTip(wx.ToolTip('Suspend chat activity'))
self.Bind(wx.EVT_BUTTON, self.quit, quitBtn)
self.Bind(wx.EVT_BUTTON, self.connect, self.connectBtn)
self.Bind(wx.EVT_BUTTON, self.nickName, self.nick_nameBtn)
self.Bind(wx.EVT_BUTTON, self.brb, self.brbBtn)
self.Bind(wx.EVT_BUTTON, self.send, self.sendBtn)
row = wx.BoxSizer(wx.HORIZONTAL)
row.Add(quitBtn, 0, wx.LEFT, 5)
row.Add(self.connectBtn, 0, wx.LEFT, 5)
row.Add(self.brbBtn, 0, wx.LEFT, 5)
row.Add(self.nick_nameBtn, 0, wx.LEFT, 5)
row.Add(self.sendBtn, 0, wx.LEFT | wx.RIGHT, 5)
return row
def resetServer(self, event):
"Menu item call back"
self.host = defaulthost
dlg = wx.MessageDialog(self,
"The chat server is now set to %s" % self.host,
"Chat Server Reset to Default",
style=wx.OK)
dlg.ShowModal()
dlg.Destroy()
self.add_readWin("\nThe chat server is now set to %s.\n" % self.host)
def setServer(self, event):
"Menu item call back"
dlg = wx.TextEntryDialog(self,
"Enter the server's host name or IP address",
"New Chat Server",
style=wx.OK | wx.CANCEL)
if dlg.ShowModal() == wx.ID_OK:
self.host = dlg.GetValue()
dlg.Destroy()
self.add_readWin("\nThe chat server is now set to %s.\n" % self.host)
def _not_connected(self):
"The state of client is not connected - set the GUI to match."
self.connected = False
self.statusBar.SetStatusText('Not connected to a chat server', 1)
self.statusBar.SetStatusText("The 'Connect' button lets you chat", 0)
self.nick_nameBtn.Disable()
self.nick_nameBtn.Hide()
self.brbBtn.Disable()
self.brbBtn.Hide()
self.sendBtn.Disable()
self.sendBtn.Hide()
self.connectBtn.SetDefault()
self.clear_readWin()
self.add_readWin(
"This is the window for reading from the chat server.")
self.clear_writeWin()
self.add_writeWin("This is the window for writing chat messages.")
# Next several functions implement auto-scrolling in the read and write
# windows.
def clear_readWin(self):
"Clear the reading widow"
self.readWin.Clear()
self.readPos = []
def add_readWin(self, msg):
"Add text to the reading window"
self.readWin.AppendText(msg)
self.readPos.append(self.readWin.GetInsertionPoint())
if len(self.readPos) > 10:
clear = self.readPos.pop(0)
self.readWin.Remove(0, clear)
for i in range(len(self.readPos)):
self.readPos[i] -= clear
if self.readWin.GetNumberOfLines() > 15:
self.readWin.ScrollLines(10)
def clear_writeWin(self):
"Clear the writing window"
self.writeWin.Clear()
self.writePos = []
def add_writeWin(self, msg):
"Add text to the writing window"
if len(msg):
self.writeWin.AppendText(msg)
self.writePos.append(self.writeWin.GetInsertionPoint())
while len(self.writePos) > 10 or \
(len(self.writePos) and self.writePos[0] <= self.blank_line_len):
clear = self.writePos.pop(0)
self.writeWin.Remove(0, clear)
for i in range(len(self.writePos)):
self.writePos[i] -= clear
if self.writeWin.GetNumberOfLines() > 5:
self.writeWin.ScrollLines(5)
def getText(self):
"Read text in from user"
message = string.strip(self.inputWin.GetValue())
self.inputWin.Clear()
self.inputWin.SetInsertionPoint(0)
if len(message):
self.add_writeWin(message + '\n')
return message
else:
return ''
def connect(self, event):
"""
Button call back, may be either *Connect* or *Disconnect* (same button)
"""
wx.BeginBusyCursor()
if self.connected:
# a disconnect request
name = self.getText()
self.net.send("/quit " + name)
self.add_writeWin('\n')
self.net.join()
# Note: finish this up in lostConnection
else:
# a connect request
self.add_readWin('\n')
# A thread to listen to the network and display messages from server
self.net = ChatConnect(
self.host,
self.rendezvous.connected,
self.rendezvous.display,
self.rendezvous.lost,
)
self.net.start()
# Note: finish this up in connected
#--
wx.EndBusyCursor()
def send(self, event):
"*Send* button (and return key) event call back"
if self.connected:
sendData = self.getText()
if len(sendData):
self.net.send(sendData)
else:
self.add_writeWin('\n')
self.inputWin.SetFocus()
def nickName(self, event):
"*Set Nick Name* button call back"
if self.connected:
name = self.getText()
if len(name):
self.net.send("/nick " + name)
self.statusBar.SetStatusText("Your Nick Name is " + name, 0)
else:
self.add_writeWin('Enter a name to set your Nick Name\n')
self.inputWin.SetFocus()
def brb(self, event):
"*Be Right Back* and *I'm Back* button call back"
msg = self.getText()
if self.here:
# switch from here to away
self.here = False
self.brbBtn.SetLabel("I'm Back")
self.net.send("/brb " + msg)
self.statusBar.PushStatusText("Click 'I'm Back' to resume chat", 0)
self.statusBar.PushStatusText("Your status is away", 1)
self.nick_nameBtn.Disable()
self.nick_nameBtn.Hide()
self.sendBtn.Disable()
self.sendBtn.Hide()
else:
# switch from away to here
self.here = True
self.brbBtn.SetLabel("Be Right Back")
self.net.send("/back " + msg)
self.statusBar.PopStatusText(0)
self.statusBar.PopStatusText(1)
self.nick_nameBtn.Enable()
self.nick_nameBtn.Show()
self.sendBtn.Enable()
self.sendBtn.Show()
#--
self.inputWin.SetFocus()
def connected(self):
"""
Now connected to the Chat server
Invoked via :func:`wx.CallAfter` in :mod:`rendezvous`.
"""
self.connected = True
self.connectBtn.SetLabel('Disconnect')
self.nick_nameBtn.Enable()
self.nick_nameBtn.Show()
self.brbBtn.Enable()
self.brbBtn.Show()
self.sendBtn.Enable()
self.sendBtn.Show()
self.sendBtn.SetDefault()
self.statusBar.SetStatusText('Connected to a chat server', 1)
self.statusBar.SetStatusText("return or 'send' to send message", 0)
self.add_readWin('\n\nConnected to a chat server\n\n')
self.clear_writeWin()
self.add_writeWin(
"Enter a name click on 'Set Nick Name' to set your identity.\n"
"Type a message and press return or 'Send'.\n")
self.inputWin.SetFocus()
def chatDisplay(self, msg):
self.add_readWin(msg)
def lostConnection(self, msg):
self.connectBtn.SetLabel('Connect')
self._not_connected()
self.add_readWin('\n\n' + msg)
self.net.join()
def quit(self, event):
"*Quit* button call back"
if self.connected:
self.connected = False
self.net.send("/quit" + self.getText())
self.net.join()
self.Close(True)
def OnExit(self, event):
"Close the application by Destroying the object"
if self.connected:
self.net.send("/quit")
self.net.join()
self.Destroy()
