110 lines
2.9 KiB
Python
110 lines
2.9 KiB
Python
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#----------------------------------------------------------------------
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# Name: wxPython.lib.sizers.border
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# Purpose: A Sizer that wraps an empty border around its contents
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#
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# Author: Robin Dunn
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#
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# Created: 9-June-1999
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# RCS-ID: $Id$
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# Copyright: (c) 1998 by Total Control Software
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# Licence: wxWindows license
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#----------------------------------------------------------------------
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from sizer import wxSizer
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wxNORTH = 1
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wxSOUTH = 2
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wxEAST = 4
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wxWEST = 8
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wxALL = wxNORTH | wxSOUTH | wxEAST | wxWEST
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#----------------------------------------------------------------------
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class wxBorderSizer(wxSizer):
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"""
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wxBorderSizer
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This sizer provides an empty buffer on one or more sides of it's
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contents. It can only hold a single widget, but that can be a
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sizer containing other items if you wish.
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The sizer is constructed with a parameter specifying which sides
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should have the border. You can use a logical OR of the following
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values to specify the sides:
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wxNORTH -- the top side
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wxSOUTH -- the bottom side
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wxEAST -- the right side
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wxWEST -- the left side
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wxALL -- all sides
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The width in pixels of the border is specified when the child
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widget is Added to the sizer.
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"""
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def __init__(self, sides = wxALL):
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wxSizer.__init__(self)
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self.sides = sides
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def Add(self, widget, borderSize):
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if self.children:
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raise ValueError("wxBorderSizer can only contain one child.")
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wxSizer.Add(self, widget, borderSize)
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def CalcMin(self):
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isSizer, widget, width, height, borderSize = self.children[0]
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if isSizer:
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width, height = widget.CalcMin()
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if self.sides & wxEAST:
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width = width + borderSize
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if self.sides & wxWEST:
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width = width + borderSize
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if self.sides & wxNORTH:
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height = height + borderSize
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if self.sides & wxSOUTH:
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height = height + borderSize
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return width, height
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def RecalcSizes(self):
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isSizer, widget, width, height, borderSize = self.children[0]
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width = self.size.width
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height = self.size.height
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px = self.origin.x
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py = self.origin.y
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if self.sides & wxWEST:
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width = width - borderSize
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px = px + borderSize
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if self.sides & wxEAST:
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width = width - borderSize
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if self.sides & wxNORTH:
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height = height - borderSize
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py = py + borderSize
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if self.sides & wxSOUTH:
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height = height - borderSize
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widget.SetDimensions(px, py, width, height)
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#----------------------------------------------------------------------
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#
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# TODO... Make an abstract class wxBorder whose decendants can be added to
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# a wxBorderSizer to provide drawing for the buffer area. Ideas are
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# to provide a color border, beveled borders, rounded borders, etc.
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