wxPython 2.1b1 for wxMSW (wxGTK coming soon)

Lots of changes, see the README.txt for details...


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2857 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

utils/wxPython/lib/sizers/sizer.py

@@ -0,0 +1,110 @@
+#----------------------------------------------------------------------
+# Name:        wxPython.lib.sizers.sizer
+# Purpose:     General purpose sizer/layout managers for wxPython
+#
+# Author:      Robin Dunn and Dirk Holtwick
+#
+# Created:     17-May-1999
+# RCS-ID:      $Id$
+# Copyright:   (c) 1998 by Total Control Software
+# Licence:     wxWindows license
+#----------------------------------------------------------------------
+
+from wxPython.wx import wxPoint, wxSize
+
+#----------------------------------------------------------------------
+
+class wxSizer:
+    """
+    wxSizer
+
+    An abstract base sizer class.  A sizer is able to manage the size and
+    layout of windows and/or child sizers.
+
+    Derived classes should implement CalcMin, and RecalcSizes.
+
+    A window or sizer is added to this sizer with the Add method:
+
+        def Add(self, widget, opt=0)
+
+    The meaning of the opt parameter is different for each type of
+    sizer.  It may be a single value or a collection of values.
+    """
+    def __init__(self, size = None):
+        self.children = []
+        self.origin = wxPoint(0, 0)
+        if not size:
+            size = wxSize(0,0)
+        self.size   = size
+
+    def Add(self, widget, opt=0):
+        """
+        Add a window or a sizer to this sizer.  The meaning of the opt
+        parameter is different for each type of sizer.  It may be a single
+        value or a collection of values.
+        """
+        size = widget.GetSize()
+        isSizer = isinstance(widget, wxSizer)
+        self.children.append( (isSizer, widget, size.width, size.height, opt) )
+
+
+    def AddMany(self, widgets):
+        """
+        Add a sequence (list, tuple, etc.) of widgets to this sizer.  The
+        items in the sequence should be tuples containing valid args for
+        the Add method.
+        """
+        for childinfo in widgets:
+            apply(self.Add, childinfo)
+
+
+    def SetDimensions(self, x, y, width, height):
+        self.origin = wxPoint(x, y)
+        self.size   = wxSize(width, height)
+        self.RecalcSizes()
+
+    def GetSize(self):
+        return self.size
+
+    def GetPosition(self):
+        return self.origin
+
+    def CalcMin(self):
+        raise NotImplementedError("Derived class should implement CalcMin")
+
+    def RecalcSizes(self):
+        raise NotImplementedError("Derived class should implement RecalcSizes")
+
+
+
+    def __getMinWindowSize(self, win):
+        """
+        Calculate the best size window to hold this sizer, taking into
+        account the difference between client size and window size.
+        """
+	min = self.GetMinSize()
+	a1,a2 = win.GetSizeTuple()
+	b1,b2 = win.GetClientSizeTuple()
+	w = min.width  + (a1 - b1)
+	h = min.height + (a2 - b2)
+        return (w, h)
+
+
+    def GetMinSize(self):
+        minWidth, minHeight = self.CalcMin()
+        return wxSize(minWidth, minHeight)
+
+    def SetWindowSizeHints(self, win):
+        w, h = self.__getMinWindowSize(win)
+	win.SetSizeHints(w,h)
+
+    def FitWindow(self, win):
+        w, h = self.__getMinWindowSize(win)
+	win.SetSize(wxSize(w,h))
+
+    def Layout(self, size):
+        self.CalcMin()
+        self.SetDimensions(self.origin.x, self.origin.y,
+                           size.width, size.height)
+
+#----------------------------------------------------------------------