lib/gui_text.py

   1 import curses, datetime
   2 from decimal import Decimal
   3 from util import format_satoshis, set_verbosity
   4
   5 WIDTH=150
   6
   7 class ElectrumGui:
   8
   9     def __init__(self, wallet, config, app=None):
  10         self.wallet = wallet
  11         self.config = config
  12         self.stdscr = curses.initscr()
  13         curses.noecho()
  14         curses.cbreak()
  15         curses.start_color()
  16         self.stdscr.keypad(1)
  17         self.stdscr.border(0)
  18         self.maxy, self.maxx = self.stdscr.getmaxyx()
  19         set_verbosity(False)
  20
  21     def server_list_changed(self):
  22         pass
  23
  24     def restore_or_create(self):
  25         pass
  26
  27     def print_history(self):
  28         b = 0
  29         messages = []
  30         for line in self.wallet.get_tx_history():
  31             v = line['value']
  32             b += v
  33             try:
  34                 time_str = str( datetime.datetime.fromtimestamp( line['timestamp']))
  35             except:
  36                 print line['timestamp']
  37                 time_str = 'pending'
  38             label = line.get('label')
  39             if not label: label = line['tx_hash']
  40             else: label = label + ' '*(64 - len(label) )
  41             messages.append( time_str + "  " + label + "  " + format_satoshis(v)+ "  "+ format_satoshis(b) )
  42
  43         self.print_list(messages, "%19s  %64s %14s %10s"%("Date", "Description", "Amount", "Balance"))
  44
  45
  46     def print_balance(self):
  47         c, u =  self.wallet.get_balance()
  48         msg = "Balance: %f"%(Decimal( c ) / 100000000)
  49         if u:
  50             msg += "  [%f unconfirmed]"%(Decimal( u ) / 100000000)
  51         self.stdscr.addstr( self.maxy -3, 2, msg)
  52         self.stdscr.addstr( self.maxy -1, 1, " History Send Receive Contacts Quit ")
  53
  54     def print_contacts(self):
  55         messages = map(lambda addr: "%30s    %30s       "%(addr, self.wallet.labels.get(addr,"")), self.wallet.addressbook)
  56         self.print_list(messages, "%19s  %25s "%("Address", "Label"))
  57
  58     def print_receive(self):
  59         messages = map(lambda addr: "%30s    %30s       "%(addr, self.wallet.labels.get(addr,"")), self.wallet.addresses)
  60         self.print_list(messages, "%19s  %25s "%("Address", "Label"))
  61
  62     def print_send_dialog(self):
  63         self.stdscr.clear()
  64         self.stdscr.addstr( 3, 2, "Pay to")
  65         self.stdscr.addstr( 5, 2, "Description")
  66         self.stdscr.addstr( 7, 2, "Amount")
  67         self.stdscr.addstr( 9, 2, "Fee")
  68
  69         while True:
  70             curses.echo()
  71             s = self.stdscr.getstr(3, 15)
  72             curses.noecho()
  73
  74             if s: break
  75         pass
  76
  77
  78     def print_list(self, list, firstline):
  79         firstline += " "*(self.maxx -2 - len(firstline))
  80         self.stdscr.addstr( 1, 1, firstline )
  81         for i in range(self.maxy-6):
  82             msg = list[i] if i < len(list) else ""
  83             msg += " "*(self.maxx -2 - len(msg))
  84             self.stdscr.addstr( i+2, 1, msg[0:self.maxx - 2])
  85
  86     def refresh(self):
  87         self.print_balance()
  88         self.stdscr.refresh()
  89
  90     def main(self,url):
  91         self.print_history()
  92         self.refresh()
  93
  94         while 1:
  95             c = self.stdscr.getch()
  96             if c == ord('h'): self.print_history()
  97             if c == ord('c'): self.print_contacts()
  98             if c == ord('r'): self.print_receive()
  99             if c == ord('s'): self.print_send_dialog()
 100             elif c == ord('q'): break
 101             elif c == curses.KEY_HOME: x = y = 0
 102             self.refresh()
 103
 104         curses.nocbreak();
 105         self.stdscr.keypad(0);
 106         curses.echo()
 107         curses.endwin()
 108