cola/qt.py

   1 from PyQt4 import QtGui
   2 from PyQt4 import QtCore
   3
   4 from cola import i18n
   5
   6
   7 def create_button(text, layout=None):
   8     """Create a button, set its title, and add it to the parent."""
   9     button = QtGui.QPushButton()
  10     button.setText(i18n.gettext(text))
  11     if layout is not None:
  12         layout.addWidget(button)
  13     return button
  14
  15
  16 class QFlowLayoutWidget(QtGui.QWidget):
  17
  18     _horizontal = QtGui.QBoxLayout.LeftToRight
  19     _vertical = QtGui.QBoxLayout.TopToBottom
  20
  21     def __init__(self, parent=None):
  22         QtGui.QWidget.__init__(self, parent)
  23         self._direction = self._vertical
  24         self._layout = layout = QtGui.QBoxLayout(self._direction)
  25         layout.setSpacing(2)
  26         layout.setMargin(2)
  27         self.setLayout(layout)
  28         self.setContentsMargins(2, 2, 2, 2)
  29         policy = QtGui.QSizePolicy(QtGui.QSizePolicy.Minimum,
  30                                    QtGui.QSizePolicy.Minimum)
  31         self.setSizePolicy(policy)
  32         self.setMinimumSize(QtCore.QSize(1, 1))
  33
  34     def resizeEvent(self, event):
  35         size = event.size()
  36         if size.width() * 0.8 < size.height():
  37             dxn = self._vertical
  38         else:
  39             dxn = self._horizontal
  40
  41         if dxn != self._direction:
  42             self._direction = dxn
  43             self.layout().setDirection(dxn)