#!/usr/bin/env python

# A simple Twitter posting client
# Copyright 2009 by Akkana Peck -- share and enjoy under the GPL v2 or later.

import os, sys
import twitter
import gtk

# It might be nice to allow more characters sometimes,
# if there's a long URL that Twitter is going to map to a tinyurl.
# But even in that case the Twitter API won't accept >140 chars.
maxchars = 140

#
# Read username and password from ~/.twit
# It should look like this:
#username = "username"
#passwd = "passwd"
# Optionally you can also set max_entries and sleep_seconds.
#
execfile(os.path.join(os.environ["HOME"], ".twit"))

import sys

def post(widget, buffer) :
    widget.set_sensitive(False)
    if (buffer.get_char_count() > maxchars) :
        print "More than", maxchars, "characters!"
        return 0
    poststr = buffer.get_text(buffer.get_start_iter(), buffer.get_end_iter())
    api = twitter.Api(username=username, password=passwd)
    try :
        api.PostUpdate(poststr)
    except Exception, e :
        print "Couldn't post!", str(e)
        print "Post string was: '" + poststr + "'"
        sys.stdout.flush()
        widget.set_sensitive(True)
        return
    print "Posted:", poststr
    gtk.main_quit()

def changed(buffer, label, postbtn) :
    count = buffer.get_char_count()
    labelstr = str(count) + " chars (" + str(maxchars-count) + " left)"
    label.set_label(labelstr)
    if count > 0 and count <= maxchars :
        postbtn.set_sensitive(True)
    else :
        postbtn.set_sensitive(False)

win = gtk.Window()
win.connect("destroy", gtk.main_quit)

vbox = gtk.VBox(spacing=3)
win.add(vbox)
vbox.show()

label = gtk.Label("0 chars (" + str(maxchars) + " left)")
vbox.pack_start(label)
label.show()

textview = gtk.TextView(buffer=None)
textview.set_wrap_mode(gtk.WRAP_WORD)
textview.set_size_request(420, 60)
vbox.pack_start(textview)
textview.show()

textbuffer = textview.get_buffer()

buttonbox = gtk.HBox(spacing=3)
vbox.pack_start(buttonbox)
buttonbox.show()

postbtn = gtk.Button("Post")
postbtn.connect("clicked", post, textbuffer)
postbtn.set_sensitive(False)
buttonbox.pack_start(postbtn)
postbtn.show()

quitbtn = gtk.Button("Quit")
quitbtn.connect("clicked", gtk.main_quit)
buttonbox.pack_start(quitbtn)
quitbtn.show()

textbuffer.connect("changed", changed, label, postbtn)

# Put contents of argv into textbuffer as initial text
if len(sys.argv) > 1 :
    textbuffer.insert_at_cursor(' '.join(sys.argv[1:]))

win.show()
gtk.main()