diff engine/python/fife/extensions/pychan/widgets/scrollarea.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 637384c8de04
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/engine/python/fife/extensions/pychan/widgets/scrollarea.py	Mon Jan 11 23:34:52 2010 +0000
@@ -0,0 +1,109 @@
+# -*- 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 ScrollArea(Widget):
+	"""
+	A wrapper around another (content) widget.
+
+	New Attributes
+	==============
+
+	  - content: The wrapped widget.
+	  - vertical_scrollbar: Boolean: Set this to False to hide the Vertical scrollbar
+	  - horizontal_scrollbar: Boolean: Set this to False to hide the Horizontal scrollbar
+
+	"""
+
+	ATTRIBUTES = Widget.ATTRIBUTES + [ BoolAttr("vertical_scrollbar"),BoolAttr("horizontal_scrollbar") ]
+	DEFAULT_HEXPAND = 1
+	DEFAULT_VEXPAND = 1
+
+	def __init__(self,**kwargs):
+		self.real_widget = fife.ScrollArea()
+		self._content = None
+		super(ScrollArea,self).__init__(**kwargs)
+
+	def addChild(self,widget):
+		self.content = widget
+		widget.parent = self
+
+	def removeChild(self,widget):
+		if self._content != widget:
+			raise RuntimeError("%s does not have %s as direct child widget." % (str(self),str(widget)))
+		self.content = None
+		widget.parent = None
+
+	def _setContent(self,content):
+		if content is None:
+			self.real_widget.setContent(content)
+		else:
+			self.real_widget.setContent(content.real_widget)
+		self._content = content
+	def _getContent(self): return self._content
+	content = property(_getContent,_setContent)
+
+	def deepApply(self,visitorFunc, leaves_first = True):
+		if leaves_first:
+			if self._content: self._content.deepApply(visitorFunc, leaves_first = leaves_first)
+		visitorFunc(self)
+		if not leaves_first:
+			if self._content: self._content.deepApply(visitorFunc, leaves_first = leaves_first)
+
+	def resizeToContent(self,recurse=True):
+		if self._content is None: return
+		if recurse:
+			self.content.resizeToContent(recurse=recurse)
+		self.size = self.min_size
+
+	def _visibilityToScrollPolicy(self,visibility):
+		if visibility:
+			return fife.ScrollArea.SHOW_AUTO
+		return fife.ScrollArea.SHOW_NEVER
+
+	def _scrollPolicyToVisibility(self,policy):
+		if policy == fife.ScrollArea.SHOW_NEVER:
+			return False
+		return True
+
+	def _setHorizontalScrollbar(self,visibility):
+		self.real_widget.setHorizontalScrollPolicy( self._visibilityToScrollPolicy(visibility) )
+
+	def _setVerticalScrollbar(self,visibility):
+		self.real_widget.setVerticalScrollPolicy( self._visibilityToScrollPolicy(visibility) )
+
+	def _getHorizontalScrollbar(self):
+		return self._scrollPolicyToVisibility( self.real_widget.getHorizontalScrollPolicy() )
+
+	def _getVerticalScrollbar(self):
+		return self._scrollPolicyToVisibility( self.real_widget.getVerticalScrollPolicy() )
+		
+	def sizeChanged(self):
+		if self.content:
+			self.content.width = max(self.content.width,self.width-5)
+			self.content.height = max(self.content.height,self.height-5)
+
+	vertical_scrollbar = property(_getVerticalScrollbar,_setVerticalScrollbar)
+	horizontal_scrollbar = property(_getHorizontalScrollbar,_setHorizontalScrollbar)