cola/qtcompat.py

   1 from __future__ import division, absolute_import, unicode_literals
   2
   3 from PyQt4 import QtGui
   4 from PyQt4 import QtCore
   5
   6 from cola import hotkeys
   7
   8
   9 def patch(obj, attr, value):
  10     if not hasattr(obj, attr):
  11         setattr(obj, attr, value)
  12
  13
  14 def install():
  15     set_contents_margins = lambda self, *args: self.setMargin(max(args))
  16     patch(QtGui.QHBoxLayout, 'setContentsMargins', set_contents_margins)
  17     patch(QtGui.QVBoxLayout, 'setContentsMargins', set_contents_margins)
  18
  19     set_margin = lambda self, x: self.setContentsMargins(x, x, x, x)
  20     patch(QtGui.QHBoxLayout, 'setMargin', set_margin)
  21     patch(QtGui.QVBoxLayout, 'setMargin', set_margin)
  22
  23     patch(QtGui.QKeySequence, 'Preferences', hotkeys.PREFERENCES)
  24     patch(QtGui.QGraphicsItem, 'mapRectToScene', _map_rect_to_scene)
  25
  26
  27 def add_search_path(prefix, path):
  28     if hasattr(QtCore.QDir, 'addSearchPath'):
  29         QtCore.QDir.addSearchPath(prefix, path)
  30
  31
  32 def set_common_dock_options(window):
  33     if not hasattr(window, 'setDockOptions'):
  34         return
  35     nested = QtGui.QMainWindow.AllowNestedDocks
  36     tabbed = QtGui.QMainWindow.AllowTabbedDocks
  37     animated = QtGui.QMainWindow.AnimatedDocks
  38     window.setDockOptions(nested | tabbed | animated)
  39
  40
  41 def _map_rect_to_scene(self, rect):
  42     """Only available in newer PyQt4 versions"""
  43     return self.sceneTransform().mapRect(rect)