goto.py

   1 from rox import g
   2 import rox
   3
   4 class Goto:
   5         "A minibuffer used to find a line by number."
   6
   7         def setup(self, window):
   8                 self.window = window
   9                 self.window.set_mini_label('Goto line:')
  10
  11         def key_press(self, kev):
  12                 k = kev.keyval
  13                 if k == g.keysyms.Return:
  14                         line = self.window.mini_entry.get_text()
  15                         if line:
  16                                 try:
  17                                         line = int(line)
  18                                         assert line >= 1
  19                                 except:
  20                                         rox.alert('Invalid line number: %s' % line)
  21                                 else:
  22                                         buffer = self.window.buffer
  23                                         iter = buffer.get_iter_at_line(line - 1)
  24                                         buffer.place_cursor(iter)
  25                                         self.window.text.scroll_to_iter(iter,
  26                                                                         0.05, g.FALSE)
  27                         self.window.set_minibuffer(None)
  28                 else:
  29                         return 0
  30                 return 1
  31
  32         def changed(self):
  33                 pass