cola/views/combo.py

   1 from PyQt4 import QtCore
   2 from PyQt4 import QtGui
   3 from PyQt4.QtCore import SIGNAL
   4
   5 from cola.views import standard
   6
   7
   8 class ComboView(standard.StandardDialog):
   9     """A dialog for choosing branches."""
  10
  11     def __init__(self, parent=None, title='', items=None):
  12         standard.StandardDialog.__init__(self, parent=parent)
  13
  14         self.setWindowTitle(title)
  15         self.resize(400, 73)
  16         self._main_layt = QtGui.QVBoxLayout(self)
  17
  18         # Exposed
  19         self.items_widget = QtGui.QComboBox(self)
  20         self.items_widget.setEditable(True)
  21
  22         self._main_layt.addWidget(self.items_widget)
  23
  24         self.button_box = QtGui.QDialogButtonBox(self)
  25         self.button_box.setOrientation(QtCore.Qt.Horizontal)
  26         self.button_box.setStandardButtons(QtGui.QDialogButtonBox.Ok |
  27                                            QtGui.QDialogButtonBox.Cancel)
  28
  29         self._main_layt.addWidget(self.button_box)
  30         self.setTabOrder(self.items_widget, self.button_box)
  31
  32         if items:
  33             self.items_widget.addItems(items)
  34
  35         self.connect(self.button_box, SIGNAL('accepted()'), self.accept)
  36         self.connect(self.button_box, SIGNAL('rejected()'), self.reject)
  37
  38     def idx(self):
  39         return self.items_widget.currentIndex()
  40
  41     def value(self):
  42         return str(self.items_widget.currentText())
  43
  44     def selected(self):
  45         """Present the dialog and return the chosen item."""
  46         geom = QtGui.QApplication.instance().desktop().screenGeometry()
  47         width = geom.width()
  48         height = geom.height()
  49         if self.parent():
  50             x = self.parent().x() + self.parent().width()/2 - self.width()/2
  51             y = self.parent().y() + self.parent().height()/3 - self.height()/2
  52             self.move(x, y)
  53         self.show()
  54         if self.exec_() == QtGui.QDialog.Accepted:
  55             return self.value()
  56         else:
  57             return None
  58
  59
  60 if __name__ == "__main__":
  61     import sys
  62     app = QtGui.QApplication(sys.argv)
  63     combo = ComboView()
  64     combo.show()
  65     sys.exit(app.exec_())
  66