ui/gtk/pysize_window.py

   1 import os
   2 import pygtk
   3 pygtk.require('2.0')
   4 import gtk
   5 assert gtk.pygtk_version >= (2, 8)
   6 import gobject
   7 import pango
   8 import time
   9
  10 from gazpacho.loader.loader import ObjectBuilder
  11
  12 from pysize_widget import PysizeWidget
  13 from core.compute_size import size_observable
  14
  15 def hover_changed(main_widget, hover_node, status_bar):
  16     status_bar.pop(0)
  17     if hover_node:
  18         status_bar.push(0, hover_node.get_fullpath())
  19
  20 def size_observer(progress_bar):
  21     now = time.time()
  22     if now - size_observer.last_pulse > 0.04:
  23         size_observer.last_pulse = now
  24         gobject.idle_add(lambda: progress_bar.pulse())
  25 size_observer.last_pulse = time.time()
  26
  27 def hide_pbar(progress_bar, visible):
  28     if visible:
  29         progress_bar.show()
  30     else:
  31         progress_bar.hide()
  32
  33 class PysizeWindow:
  34     def __init__(self, options, args):
  35         create_widget = lambda **unused_kwargs: PysizeWidget(options, args)
  36         glade_filename = os.path.join(os.path.dirname(__file__),
  37                                       'main_window.glade')
  38         builder = ObjectBuilder(glade_filename,
  39                                 custom = {'pysize_widget': create_widget})
  40
  41         main_widget = builder.get_widget('main_widget')
  42         status_bar = builder.get_widget('status_bar')
  43         main_widget.connect('hover_changed', hover_changed, status_bar)
  44
  45         progress_bar = builder.get_widget('progress_bar')
  46         size_observable.add_observer(lambda: size_observer(progress_bar))
  47         pbar_hider = lambda w, building: hide_pbar(progress_bar, building)
  48         main_widget.connect('building-tree-state-changed', pbar_hider)
  49
  50         callbacks = {
  51             'quit_action': lambda w: gtk.main_quit(),
  52             'refresh_tree_action': lambda w: main_widget.refresh_tree()
  53         }
  54         builder.signal_autoconnect(callbacks)
  55
  56         window = builder.get_widget('main_window')
  57         window.set_title('Pysize - ' + args[0])
  58         window.show_all()
  59
  60         gtk.main()