docker-offlineimap/offlineimap/ui/Tk.py

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# Tk UI
# Copyright (C) 2002, 2003 John Goerzen
# <jgoerzen@complete.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from __future__ import nested_scopes
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from Tkinter import *
import tkFont
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from threading import *
import thread, traceback, time, threading
from StringIO import StringIO
from ScrolledText import ScrolledText
from offlineimap import threadutil, version
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from Queue import Queue
from UIBase import UIBase
from offlineimap.ui.Blinkenlights import BlinkenBase
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usabletest = None
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class PasswordDialog:
def __init__(self, accountname, config, master=None, errmsg = None):
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self.top = Toplevel(master)
self.top.title(version.productname + " Password Entry")
text = ''
if errmsg:
text = '%s: %s\n' % (accountname, errmsg)
text += "%s: Enter password: " % accountname
self.label = Label(self.top, text = text)
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self.label.pack()
self.entry = Entry(self.top, show='*')
self.entry.bind("<Return>", self.ok)
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self.entry.pack()
self.entry.focus_force()
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self.button = Button(self.top, text = "OK", command=self.ok)
self.button.pack()
self.entry.focus_force()
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self.top.wait_window(self.label)
def ok(self, args = None):
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self.password = self.entry.get()
self.top.destroy()
def getpassword(self):
return self.password
class TextOKDialog:
def __init__(self, title, message, blocking = 1, master = None):
if not master:
self.top = Tk()
else:
self.top = Toplevel(master)
self.top.title(title)
self.text = ScrolledText(self.top, font = "Courier 10")
self.text.pack()
self.text.insert(END, message)
self.text['state'] = DISABLED
self.button = Button(self.top, text = "OK", command=self.ok)
self.button.pack()
if blocking:
self.top.wait_window(self.button)
def ok(self):
self.top.destroy()
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class ThreadFrame(Frame):
def __init__(self, master=None):
self.threadextraframe = None
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self.thread = currentThread()
self.threadid = thread.get_ident()
Frame.__init__(self, master, relief = RIDGE, borderwidth = 2)
self.pack(fill = 'x')
self.threadlabel = Label(self, foreground = '#FF0000',
text ="Thread %d (%s)" % (self.threadid,
self.thread.getName()))
self.threadlabel.pack()
self.setthread(currentThread())
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self.account = "Unknown"
self.mailbox = "Unknown"
self.loclabel = Label(self,
text = "Account/mailbox information unknown")
#self.loclabel.pack()
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self.updateloclabel()
self.message = Label(self, text="Messages will appear here.\n",
foreground = '#0000FF')
self.message.pack(fill = 'x')
def setthread(self, newthread):
if newthread:
self.threadlabel['text'] = newthread.getName()
else:
self.threadlabel['text'] = "No thread"
self.destroythreadextraframe()
def destroythreadextraframe(self):
if self.threadextraframe:
self.threadextraframe.destroy()
self.threadextraframe = None
def getthreadextraframe(self):
if self.threadextraframe:
return self.threadextraframe
self.threadextraframe = Frame(self)
self.threadextraframe.pack(fill = 'x')
return self.threadextraframe
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def setaccount(self, account):
self.account = account
self.mailbox = "Unknown"
self.updateloclabel()
def setmailbox(self, mailbox):
self.mailbox = mailbox
self.updateloclabel()
def updateloclabel(self):
self.loclabel['text'] = "Processing %s: %s" % (self.account,
self.mailbox)
def appendmessage(self, newtext):
self.message['text'] += "\n" + newtext
def setmessage(self, newtext):
self.message['text'] = newtext
class VerboseUI(UIBase):
def isusable(s):
global usabletest
if usabletest != None:
return usabletest
try:
Tk().destroy()
usabletest = 1
except TclError:
usabletest = 0
return usabletest
def _createTopWindow(self, doidlevac = 1):
self.notdeleted = 1
self.created = threading.Event()
self.af = {}
self.aflock = Lock()
t = threadutil.ExitNotifyThread(target = self._runmainloop,
name = "Tk Mainloop")
t.setDaemon(1)
t.start()
self.created.wait()
del self.created
if doidlevac:
t = threadutil.ExitNotifyThread(target = self.idlevacuum,
name = "Tk idle vacuum")
t.setDaemon(1)
t.start()
def _runmainloop(s):
s.top = Tk()
s.top.title(version.productname + " " + version.versionstr)
s.top.after_idle(s.created.set)
s.top.mainloop()
s.notdeleted = 0
def getaccountframe(s):
accountname = s.getthreadaccount()
s.aflock.acquire()
try:
if accountname in s.af:
return s.af[accountname]
s.af[accountname] = LEDAccountFrame(s.top, accountname,
s.fontfamily, s.fontsize)
finally:
s.aflock.release()
return s.af[accountname]
def getpass(s, accountname, config, errmsg = None):
pd = PasswordDialog(accountname, config, errmsg = errmsg)
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return pd.getpassword()
def gettf(s, newtype=ThreadFrame, master = None):
if master == None:
master = s.top
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threadid = thread.get_ident()
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s.tflock.acquire()
try:
if threadid in s.threadframes:
return s.threadframes[threadid]
if len(s.availablethreadframes):
tf = s.availablethreadframes.pop(0)
tf.setthread(currentThread())
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else:
tf = newtype(master)
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s.threadframes[threadid] = tf
return tf
finally:
s.tflock.release()
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def _display(s, msg):
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s.gettf().setmessage(msg)
def threadExited(s, thread):
threadid = thread.threadid
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s.tflock.acquire()
if threadid in s.threadframes:
tf = s.threadframes[threadid]
tf.setthread(None)
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tf.setaccount("Unknown")
tf.setmessage("Idle")
s.availablethreadframes.append(tf)
del s.threadframes[threadid]
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s.tflock.release()
UIBase.threadExited(s, thread)
def idlevacuum(s):
while s.notdeleted:
time.sleep(10)
s.tflock.acquire()
while len(s.availablethreadframes):
tf = s.availablethreadframes.pop()
tf.destroy()
s.tflock.release()
def threadException(s, thread):
exceptionstr = s.getThreadExceptionString(thread)
print exceptionstr
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s.top.destroy()
s.top = None
TextOKDialog("Thread Exception", exceptionstr)
s.delThreadDebugLog(thread)
s.terminate(100)
def mainException(s):
exceptionstr = s.getMainExceptionString()
print exceptionstr
s.top.destroy()
s.top = None
TextOKDialog("Main Program Exception", exceptionstr)
def warn(s, msg, minor = 0):
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if minor:
# Just let the default handler catch it
UIBase.warn(s, msg, minor)
else:
TextOKDialog("OfflineIMAP Warning", msg)
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def showlicense(s):
TextOKDialog(version.productname + " License",
version.bigcopyright + "\n" +
version.homepage + "\n\n" + version.license,
blocking = 0, master = s.top)
def init_banner(s):
s.threadframes = {}
s.availablethreadframes = []
s.tflock = Lock()
s._createTopWindow()
s._msg(version.productname + " " + version.versionstr + ", " +\
version.copyright)
tf = s.gettf().getthreadextraframe()
b = Button(tf, text = "About", command = s.showlicense)
b.pack(side = LEFT)
b = Button(tf, text = "Exit", command = s.terminate)
b.pack(side = RIGHT)
s.sleeping_abort = {}
def deletingmessages(s, uidlist, destlist):
ds = s.folderlist(destlist)
s._msg("Deleting %d messages in %s" % (len(uidlist), ds))
def _sleep_cancel(s, args = None):
s.sleeping_abort[thread.get_ident()] = 1
def sleep(s, sleepsecs):
threadid = thread.get_ident()
s.sleeping_abort[threadid] = 0
tf = s.gettf().getthreadextraframe()
def sleep_cancel():
s.sleeping_abort[threadid] = 1
sleepbut = Button(tf, text = 'Sync immediately',
command = sleep_cancel)
sleepbut.pack()
UIBase.sleep(s, sleepsecs)
def sleeping(s, sleepsecs, remainingsecs):
retval = s.sleeping_abort[thread.get_ident()]
if remainingsecs:
s._msg("Next sync in %d:%02d" % (remainingsecs / 60,
remainingsecs % 60))
else:
s._msg("Wait done; synchronizing now.")
s.gettf().destroythreadextraframe()
del s.sleeping_abort[thread.get_ident()]
time.sleep(sleepsecs)
return retval
TkUI = VerboseUI
################################################## Blinkenlights
class LEDAccountFrame:
def __init__(self, top, accountname, fontfamily, fontsize):
self.top = top
self.accountname = accountname
self.fontfamily = fontfamily
self.fontsize = fontsize
self.frame = Frame(self.top, background = 'black')
self.frame.pack(side = BOTTOM, expand = 1, fill = X)
self._createcanvas(self.frame)
self.label = Label(self.frame, text = accountname,
background = "black", foreground = "blue",
font = (self.fontfamily, self.fontsize))
self.label.grid(sticky = E, row = 0, column = 1)
def getnewthreadframe(s):
return LEDThreadFrame(s.canvas)
def _createcanvas(self, parent):
c = LEDFrame(parent)
self.canvas = c
c.grid(sticky = E, row = 0, column = 0)
parent.grid_columnconfigure(1, weight = 1)
#c.pack(side = LEFT, expand = 0, fill = X)
def startsleep(s, sleepsecs):
s.sleeping_abort = 0
s.button = Button(s.frame, text = "Sync now", command = s.syncnow,
background = "black", activebackground = "black",
activeforeground = "white",
foreground = "blue", highlightthickness = 0,
padx = 0, pady = 0,
font = (s.fontfamily, s.fontsize), borderwidth = 0,
relief = 'solid')
s.button.grid(sticky = E, row = 0, column = 2)
def syncnow(s):
s.sleeping_abort = 1
def sleeping(s, sleepsecs, remainingsecs):
if remainingsecs:
s.button.config(text = 'Sync now (%d:%02d remain)' % \
(remainingsecs / 60, remainingsecs % 60))
time.sleep(sleepsecs)
else:
s.button.destroy()
del s.button
return s.sleeping_abort
class LEDFrame(Frame):
"""This holds the different lights."""
def getnewobj(self):
retval = Canvas(self, background = 'black', height = 20, bd = 0,
highlightthickness = 0, width = 10)
retval.pack(side = LEFT, padx = 0, pady = 0, ipadx = 0, ipady = 0)
return retval
class LEDThreadFrame:
"""There is one of these for each little light."""
def __init__(self, master):
self.canvas = master.getnewobj()
self.color = ''
self.ovalid = self.canvas.create_oval(4, 4, 9,
9, fill = 'gray',
outline = '#303030')
def setcolor(self, newcolor):
if newcolor != self.color:
self.canvas.itemconfigure(self.ovalid, fill = newcolor)
self.color = newcolor
def getcolor(self):
return self.color
def setthread(self, newthread):
if newthread:
self.setcolor('gray')
else:
self.setcolor('black')
class Blinkenlights(BlinkenBase, VerboseUI):
def __init__(s, config, verbose = 0):
VerboseUI.__init__(s, config, verbose)
s.fontfamily = 'Helvetica'
s.fontsize = 8
if config.has_option('ui.Tk.Blinkenlights', 'fontfamily'):
s.fontfamily = config.get('ui.Tk.Blinkenlights', 'fontfamily')
if config.has_option('ui.Tk.Blinkenlights', 'fontsize'):
s.fontsize = config.getint('ui.Tk.Blinkenlights', 'fontsize')
def isusable(s):
return VerboseUI.isusable(s)
def _createTopWindow(self):
VerboseUI._createTopWindow(self, 0)
#self.top.resizable(width = 0, height = 0)
self.top.configure(background = 'black', bd = 0)
widthmetric = tkFont.Font(family = self.fontfamily, size = self.fontsize).measure("0")
self.loglines = self.config.getdefaultint("ui.Tk.Blinkenlights",
"loglines", 5)
self.bufferlines = self.config.getdefaultint("ui.Tk.Blinkenlights",
"bufferlines", 500)
self.text = ScrolledText(self.top, bg = 'black', #scrollbar = 'y',
font = (self.fontfamily, self.fontsize),
bd = 0, highlightthickness = 0, setgrid = 0,
state = DISABLED, height = self.loglines,
wrap = NONE, width = 60)
self.text.vbar.configure(background = '#000050',
activebackground = 'blue',
highlightbackground = 'black',
troughcolor = "black", bd = 0,
elementborderwidth = 2)
self.textenabled = 0
self.tags = []
self.textlock = Lock()
def init_banner(s):
BlinkenBase.init_banner(s)
s._createTopWindow()
menubar = Menu(s.top, activebackground = "black",
activeforeground = "white",
activeborderwidth = 0,
background = "black", foreground = "blue",
font = (s.fontfamily, s.fontsize), bd = 0)
menubar.add_command(label = "About", command = s.showlicense)
menubar.add_command(label = "Show Log", command = s._togglelog)
menubar.add_command(label = "Exit", command = s.terminate)
s.top.config(menu = menubar)
s.menubar = menubar
s.text.see(END)
if s.config.getdefaultboolean("ui.Tk.Blinkenlights", "showlog", 1):
s._togglelog()
s.gettf().setcolor('red')
s.top.resizable(width = 0, height = 0)
s._msg(version.banner)
def _togglelog(s):
if s.textenabled:
s.oldtextheight = s.text.winfo_height()
s.text.pack_forget()
s.textenabled = 0
s.menubar.entryconfig('Hide Log', label = 'Show Log')
s.top.update()
s.top.geometry("")
s.top.update()
s.top.resizable(width = 0, height = 0)
s.top.update()
else:
s.text.pack(side = TOP, expand = 1, fill = BOTH)
s.textenabled = 1
s.top.update()
s.top.geometry("")
s.menubar.entryconfig('Show Log', label = 'Hide Log')
s._rescroll()
s.top.resizable(width = 1, height = 1)
def sleep(s, sleepsecs):
s.gettf().setcolor('red')
s._msg("Next sync in %d:%02d" % (sleepsecs / 60, sleepsecs % 60))
BlinkenBase.sleep(s, sleepsecs)
def sleeping(s, sleepsecs, remainingsecs):
return BlinkenBase.sleeping(s, sleepsecs, remainingsecs)
def _rescroll(s):
s.text.see(END)
lo, hi = s.text.vbar.get()
s.text.vbar.set(1.0 - (hi - lo), 1.0)
def _display(s, msg):
if "\n" in msg:
for thisline in msg.split("\n"):
s._msg(thisline)
return
#VerboseUI._msg(s, msg)
color = s.gettf().getcolor()
rescroll = 1
s.textlock.acquire()
try:
if s.text.vbar.get()[1] != 1.0:
rescroll = 0
s.text.config(state = NORMAL)
if not color in s.tags:
s.text.tag_config(color, foreground = color)
s.tags.append(color)
s.text.insert(END, "\n" + msg, color)
# Trim down. Not quite sure why I have to say 7 instead of 5,
# but so it is.
while float(s.text.index(END)) > s.bufferlines + 2.0:
s.text.delete(1.0, 2.0)
if rescroll:
s._rescroll()
finally:
s.text.config(state = DISABLED)
s.textlock.release()