view engine/python/fife/extensions/pychan/widgets/slider.py @ 378:64738befdf3b

bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
author vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
date Mon, 11 Jan 2010 23:34:52 +0000
parents
children bab6eeec278c
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# -*- coding: utf-8 -*-

# ####################################################################
#  Copyright (C) 2005-2009 by the FIFE team
#  http://www.fifengine.de
#  This file is part of FIFE.
#
#  FIFE is free software; you can redistribute it and/or
#  modify it under the terms of the GNU Lesser General Public
#  License as published by the Free Software Foundation; either
#  version 2.1 of the License, or (at your option) any later version.
#
#  This library is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#  Lesser General Public License for more details.
#
#  You should have received a copy of the GNU Lesser General Public
#  License along with this library; if not, write to the
#  Free Software Foundation, Inc.,
#  51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
# ####################################################################

from common import *
from widget import Widget

class Slider(Widget):
	""" A slider widget

	Use a callback to read out the slider value every time the marker
	is moved.

	New Attributes
	==============

	  - orientation: 1 = horizontal, 0=vertical
	  - scale_start: float: default 0.0
	  - scale_end: float: default 1.0

	FIXME:
		- set new attributes for marker & step length, value
		- update docstrings
	"""

	HORIZONTAL = fife.Slider.HORIZONTAL
	VERTICAL = fife.Slider.VERTICAL

	ATTRIBUTES = Widget.ATTRIBUTES + [IntAttr('orientation'), FloatAttr('scale_start'), FloatAttr('scale_end')]
	DEFAULT_HEXPAND = 1
	DEFAULT_VEXPAND = 0

	def __init__(self, scaleStart=0.0, scaleEnd=1.0, orientation=HORIZONTAL, min_size=(10,10),**kwargs):
		self.real_widget = fife.Slider(scaleStart, scaleEnd)
		self.orientation = orientation
		self.setOrientation(self.orientation)
		super(Slider, self).__init__(min_size=min_size,**kwargs)

		self.accepts_data = True
		self._realSetData = self.setValue
		self._realGetData = self.getValue

	def _setScale(self, start, end):
		"""setScale(self, double scaleStart, double scaleEnd)"""
		if type(start) != float:
			raise RuntimeError("Slider expects float for start scale")
		if type(end) != float:
			raise RuntimeError("Slider expects float for end scale")
		self.real_widget.setScale(start, end)

	def getScaleStart(self):
		"""getScaleStart(self) -> double"""
		return self.real_widget.getScaleStart()

	def setScaleStart(self, start):
		"""setScaleStart(self, double scaleStart)"""
		if type(start) != float:
			raise RuntimeError("Slider expects float for start scale")
		self.real_widget.setScaleStart(start)
	scale_start = property(getScaleStart, setScaleStart)

	def getScaleEnd(self):
		"""getScaleEnd(self) -> double"""
		return self.real_widget.getScaleEnd()

	def setScaleEnd(self, end):
		"""setScaleEnd(self, double scaleEnd)"""
		if type(end) != float:
			raise RuntimeError("Slider expects float for end scale")
		self.real_widget.setScaleEnd(end)
	scale_end = property(getScaleEnd, setScaleEnd)

	def getValue(self):
		"""getValue(self) -> double"""
		return self.real_widget.getValue()

	def setValue(self, value):
		"""setValue(self, double value)"""
		if type(value) != float:
			raise RuntimeError("Slider only accepts float values")
		self.real_widget.setValue(value)

	def setMarkerLength(self, length):
		"""setMarkerLength(self, int length)"""
		if type(length) != int:
			raise RuntimeError("Slider only accepts int for Marker lenght")
		self.real_widget.setMarkerLength(length)

	def getMarkerLength(self):
		"""getMarkerLength(self) -> int"""
		return self.real_widget.getMarkerLength()

	def setOrientation(self, orientation):
		"""setOrientation(self, Orientation orientation)"""
		self.real_widget.setOrientation(orientation)

	def getOrientation(self):
		"""getOrientation(self) -> int"""
		return self.real_widget.getOrientation()
	orientation = property(getOrientation, setOrientation)

	def setStepLength(self, length):
		"""setStepLength(self, double length)"""
		if type(length) != float:
			raise RuntimeError("Slider only accepts floats for step length")
		self.real_widget.setStepLength(length)

	def getStepLength(self):
		"""getStepLength(self) -> double"""
		return self.real_widget.getStepLength()