panel/handle.py

   1 import gtk
   2 import gtk.gdk as gdk
   3 import gobject
   4
   5 class Handle (gtk.EventBox):
   6         def __init__ (self):
   7                 gtk.EventBox.__init__ (self)
   8                 self.set_visible_window (False)
   9                 self.set_size_request (10, -1)
  10                 self.set_events (
  11                         gdk.EXPOSURE_MASK | \
  12                         gdk.BUTTON_PRESS_MASK | \
  13                         gdk.BUTTON_RELEASE_MASK | \
  14                         gdk.BUTTON1_MOTION_MASK)
  15
  16                 self._move_begined = False
  17
  18         def do_button_press_event (self, event):
  19                 if event.button == 1:
  20                         self._move_begined = True
  21                         self._press_pos = event.x_root, event.y_root
  22                         self.window.set_cursor (gdk.Cursor (gdk.FLEUR))
  23                         return True
  24                 return False
  25
  26         def do_button_release_event (self, event):
  27                 if event.button == 1:
  28                         self._move_begined = False
  29                         del self._press_pos
  30                         self.window.set_cursor (gdk.Cursor (gdk.LEFT_PTR))
  31                         return True
  32
  33                 return False
  34
  35         def do_motion_notify_event (self, event):
  36                 if not self._move_begined:
  37                         return
  38                 toplevel = self.get_toplevel ()
  39                 x, y = toplevel.get_position ()
  40                 x  = int (x + event.x_root - self._press_pos[0])
  41                 y  = int (y + event.y_root - self._press_pos[1])
  42                 toplevel.move (x, y)
  43                 self._press_pos = event.x_root, event.y_root
  44
  45         def do_expose_event (self, event):
  46                 self.style.paint_handle (
  47                                         self.window,
  48                                         gtk.STATE_NORMAL,
  49                                         gtk.SHADOW_OUT,
  50                                         event.area,
  51                                         self,
  52                                         "",
  53                                         self.allocation.x, self.allocation.y,
  54                                         10, self.allocation.height,
  55                                         gtk.ORIENTATION_VERTICAL)
  56                 return True
  57
  58 gobject.type_register (Handle, "IBusHandle")
  59
  60