#!/usr/bin/env python

import PyQt4.QtGui

def getInt(title, label, mini=-2147483647, maxa=2147483647):
	assert mini <= maxa
	default = min(max(0, mini), maxa)
	(ret, ok) = PyQt4.QtGui.QInputDialog.getInt(
		PyQt4.QtGui.QWidget(), title, label, default, mini, maxa)
	if not ok:
		raise Exception('select error')
	return ret

def getItem(title, label, items):
	(ret, ok) = PyQt4.QtGui.QInputDialog.getItem(
		PyQt4.QtGui.QWidget(), title, label, items)
	if not ok:
		raise Exception('select error')
	return str(ret)

def getFloat(title, label, mini=-2147483647, maxa=2147483647, 
			 default=None, decimals=1):
	assert mini <= maxa
	if default is None:
		default = min(max(0, mini), maxa)
	(ret, ok) = PyQt4.QtGui.QInputDialog.getDouble(
		PyQt4.QtGui.QWidget(), title, label, default, mini, maxa, decimals)
	if not ok:
		raise Exception('select error')
	return ret

def getItem(title, label, items):
	(ret, ok) = PyQt4.QtGui.QInputDialog.getItem(
		PyQt4.QtGui.QWidget(), title, label, items)
	if not ok:
		raise Exception('select error')
	return str(ret)

def getText(title, label, default=''):
	(ret, ok) = PyQt4.QtGui.QInputDialog.getText(
		PyQt4.QtGui.QWidget(), title, label, 
		PyQt4.QtGui.QLineEdit.Normal, default)
	if not ok:
		raise Exception('select error')
	return str(ret)

if __name__=='__main__':
	qApplication = PyQt4.QtGui.QApplication([])
	print getItem('getItem()', 'select a color', 
		['red','orange','yellow','green','blue','violet'])
	print getInt('getInt()', 'give me a number', 0, 100)
	print getFloat('getFloat()', 'give me a number', 0.0, 1.0, None, 2)
	print getText('getText()','give me some text','string')