2006-11-17 11:12:36 -05:00
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#----------------------------------------------------------------------
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# Name: sized_controls.py
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# Purpose: Implements default, HIG-compliant sizers under the hood
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# and provides a simple interface for customizing those sizers.
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#
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# Author: Kevin Ollivier
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#
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# Created: 26-May-2006
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# Copyright: (c) 2006 Kevin Ollivier
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# Licence: wxWindows license
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#----------------------------------------------------------------------
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import wx
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# For HIG info: links to all the HIGs can be found here:
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# http://en.wikipedia.org/wiki/Human_Interface_Guidelines
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# useful defines for sizer prop values
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halign = { "left": wx.ALIGN_LEFT,
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"center": wx.ALIGN_CENTER_HORIZONTAL,
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"centre": wx.ALIGN_CENTRE_HORIZONTAL,
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"right": wx.ALIGN_RIGHT,
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}
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valign = { "top": wx.ALIGN_TOP,
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"bottom": wx.ALIGN_BOTTOM,
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"center": wx.ALIGN_CENTER_VERTICAL,
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"centre": wx.ALIGN_CENTRE_VERTICAL,
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}
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align = { "center": wx.ALIGN_CENTER,
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"centre": wx.ALIGN_CENTRE,
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}
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border = { "left": wx.LEFT,
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"right": wx.RIGHT,
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"top": wx.TOP,
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"bottom": wx.BOTTOM,
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"all": wx.ALL,
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}
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minsize = { "fixed": wx.FIXED_MINSIZE,
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"adjust": wx.ADJUST_MINSIZE,
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}
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misc_flags = { "expand": wx.EXPAND, }
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# My attempt at creating a more intuitive replacement for nesting box sizers
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class TableSizer(wx.PySizer):
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def __init__(self, rows=0, cols=0):
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wx.PySizer.__init__(self)
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self.rows = rows
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self.cols = cols
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self.fixed_width = 0
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self.fixed_height = 0
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self.hgrow = 0
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self.vgrow = 0
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self.row_widths = []
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self.col_heights = []
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# allow us to use 'old-style' proportions when emulating box sizers
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self.isHorizontal = (self.rows == 1 and self.cols == 0)
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self.isVertical = (self.cols == 1 and self.rows == 0)
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def CalcNumRowsCols(self):
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numrows = self.rows
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numcols = self.cols
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numchild = len(self.GetChildren())
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if numrows == 0 and numcols == 0:
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return 0, 0
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if numrows == 0:
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rows, mod = divmod(numchild, self.cols)
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if mod > 0:
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rows += 1
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numrows = rows
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if numcols == 0:
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cols, mod = divmod(numchild, self.rows)
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if mod > 0:
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cols += 1
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numcols = cols
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return numrows, numcols
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def CalcMin(self):
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numrows, numcols = self.CalcNumRowsCols()
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numchild = len(self.GetChildren())
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if numchild == 0:
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return wx.Size(10, 10)
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if numrows == 0 and numcols == 0:
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print "TableSizer must have the number of rows or columns set. Cannot continue."
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return wx.Size(10, 10)
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self.row_widths = [0 for x in range(0, numrows)]
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self.col_heights = [0 for x in range(0, numcols)]
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currentRow = 0
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currentCol = 0
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counter = 0
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self.hgrow = 0
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self.vgrow = 0
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# get the max row width and max column height
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for item in self.GetChildren():
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if self.cols != 0:
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currentRow, currentCol = divmod(counter, numcols)
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else:
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currentCol, currentRow = divmod(counter, numrows)
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if item.IsShown():
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width, height = item.CalcMin()
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if self.isVertical and item.GetProportion() > 0:
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self.hgrow += item.GetProportion()
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elif self.isHorizontal and item.GetProportion() > 0:
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self.vgrow += item.GetProportion()
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if width > self.row_widths[currentRow]:
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self.row_widths[currentRow] = width
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if height > self.col_heights[currentCol]:
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self.col_heights[currentCol] = height
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counter += 1
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minwidth = 0
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for row_width in self.row_widths:
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minwidth += row_width
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minheight = 0
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for col_height in self.col_heights:
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minheight += col_height
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self.fixed_width = minwidth
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self.fixed_height = minheight
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return wx.Size(minwidth, minheight)
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def RecalcSizes(self):
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numrows, numcols = self.CalcNumRowsCols()
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numchild = len(self.GetChildren())
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if numchild == 0:
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return
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currentRow = 0
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currentCol = 0
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counter = 0
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print "cols %d, rows %d" % (self.cols, self.rows)
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print "fixed_height %d, fixed_width %d" % (self.fixed_height, self.fixed_width)
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#print "self.GetSize() = " + `self.GetSize()`
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row_widths = [0 for x in range(0, numrows)]
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col_heights = [0 for x in range(0, numcols)]
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item_sizes = [0 for x in range(0, len(self.GetChildren()))]
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grow_sizes = [0 for x in range(0, len(self.GetChildren()))]
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curHPos = 0
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curVPos = 0
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curCol = 0
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curRow = 0
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# first, we set sizes for all children, and while doing so, calc
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# the maximum row heights and col widths. Then, afterwards we handle
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# the positioning of the controls
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for item in self.GetChildren():
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if self.cols != 0:
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currentRow, currentCol = divmod(counter, numcols)
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else:
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currentCol, currentRow = divmod(counter, numrows)
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if item.IsShown():
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item_minsize = item.GetMinSizeWithBorder()
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width = item_minsize[0]
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height = item_minsize[1]
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print "row_height %d, row_width %d" % (self.col_heights[currentCol], self.row_widths[currentRow])
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growable_width = (self.GetSize()[0]) - width
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growable_height = (self.GetSize()[1]) - height
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#if not self.isVertical and not self.isHorizontal:
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# growable_width = self.GetSize()[0] - self.row_widths[currentRow]
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# growable_height = self.GetSize()[1] - self.col_heights[currentCol]
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#print "grow_height %d, grow_width %d" % (growable_height, growable_width)
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item_vgrow = 0
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item_hgrow = 0
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# support wx.EXPAND for box sizers to be compatible
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if item.GetFlag() & wx.EXPAND:
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if self.isVertical:
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if self.hgrow > 0 and item.GetProportion() > 0:
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item_hgrow = (growable_width * item.GetProportion()) / self.hgrow
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item_vgrow = growable_height
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elif self.isHorizontal:
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if self.vgrow > 0 and item.GetProportion() > 0:
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item_vgrow = (growable_height * item.GetProportion()) / self.vgrow
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item_hgrow = growable_width
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if growable_width > 0 and item.GetHGrow() > 0:
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item_hgrow = (growable_width * item.GetHGrow()) / 100
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print "hgrow = %d" % (item_hgrow)
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if growable_height > 0 and item.GetVGrow() > 0:
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item_vgrow = (growable_height * item.GetVGrow()) / 100
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print "vgrow = %d" % (item_vgrow)
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grow_size = wx.Size(item_hgrow, item_vgrow)
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size = item_minsize #wx.Size(item_minsize[0] + item_hgrow, item_minsize[1] + item_vgrow)
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if size[0] + grow_size[0] > row_widths[currentRow]:
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row_widths[currentRow] = size[0] + grow_size[0]
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if size[1] + grow_size[1] > col_heights[currentCol]:
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col_heights[currentCol] = size[1] + grow_size[1]
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grow_sizes[counter] = grow_size
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item_sizes[counter] = size
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counter += 1
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counter = 0
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for item in self.GetChildren():
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if self.cols != 0:
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currentRow, currentCol = divmod(counter, numcols)
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else:
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currentCol, currentRow = divmod(counter, numrows)
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itempos = self.GetPosition()
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if item.IsShown():
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rowstart = itempos[0]
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for row in range(0, currentRow):
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rowstart += row_widths[row]
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colstart = itempos[1]
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for col in range(0, currentCol):
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#print "numcols = %d, currentCol = %d, col = %d" % (numcols, currentCol, col)
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colstart += col_heights[col]
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itempos[0] += rowstart
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itempos[1] += colstart
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if item.GetFlag() & wx.ALIGN_RIGHT:
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itempos[0] += (row_widths[currentRow] - item_sizes[counter][0])
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elif item.GetFlag() & (wx.ALIGN_CENTER | wx.ALIGN_CENTER_HORIZONTAL):
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itempos[0] += (row_widths[currentRow] - item_sizes[counter][0]) / 2
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if item.GetFlag() & wx.ALIGN_BOTTOM:
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itempos[1] += (col_heights[currentCol] - item_sizes[counter][1])
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elif item.GetFlag() & (wx.ALIGN_CENTER | wx.ALIGN_CENTER_VERTICAL):
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itempos[1] += (col_heights[currentCol] - item_sizes[counter][1]) / 2
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hgrowth = (grow_sizes[counter][0] - itempos[0])
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if hgrowth > 0:
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item_sizes[counter][0] += hgrowth
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vgrowth = (grow_sizes[counter][1] - itempos[1])
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if vgrowth > 0:
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item_sizes[counter][1] += vgrowth
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#item_sizes[counter][1] -= itempos[1]
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item.SetDimension(itempos, item_sizes[counter])
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counter += 1
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def GetDefaultBorder(self):
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border = 4
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if wx.Platform == "__WXMAC__":
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border = 6
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elif wx.Platform == "__WXMSW__":
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# MSW HIGs use dialog units, not pixels
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pnt = self.ConvertDialogPointToPixels(wx.Point(4, 4))
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border = pnt[0]
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elif wx.Platform == "__WXGTK__":
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border = 3
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return border
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def SetDefaultSizerProps(self):
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item = self.GetParent().GetSizer().GetItem(self)
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item.SetProportion(0)
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item.SetFlag(wx.ALL)
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item.SetBorder(self.GetDefaultBorder())
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def GetSizerProps(self):
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"""
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Returns a dictionary of prop name + value
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"""
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props = {}
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item = self.GetParent().GetSizer().GetItem(self)
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props['proportion'] = item.GetProportion()
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flags = item.GetFlag()
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if flags & border['all'] == border['all']:
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props['border'] = (['all'], item.GetBorder())
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else:
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borders = []
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for key in border:
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if flags & border[key]:
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borders.append(key)
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props['border'] = (borders, item.GetBorder())
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if flags & align['center'] == align['center']:
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props['align'] = 'center'
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else:
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for key in halign:
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if flags & halign[key]:
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props['halign'] = key
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for key in valign:
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if flags & valign[key]:
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props['valign'] = key
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for key in minsize:
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if flags & minsize[key]:
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props['minsize'] = key
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for key in misc_flags:
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if flags & misc_flags[key]:
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props[key] = "true"
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return props
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def SetSizerProp(self, prop, value):
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lprop = prop.lower()
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2007-01-04 01:47:19 -05:00
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sizer = self.GetParent().GetSizer()
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item = sizer.GetItem(self)
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2006-11-17 11:12:36 -05:00
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flag = item.GetFlag()
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if lprop == "proportion":
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item.SetProportion(int(value))
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elif lprop == "hgrow":
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item.SetHGrow(int(value))
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elif lprop == "vgrow":
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item.SetVGrow(int(value))
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elif lprop == "align":
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flag = flag | align[value]
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elif lprop == "halign":
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flag = flag | halign[value]
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elif lprop == "valign":
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flag = flag | valign[value]
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elif lprop == "border":
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# this arg takes a tuple (dir, pixels)
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dirs, amount = value
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if dirs == "all":
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dirs = ["all"]
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for dir in dirs:
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flag = flag | border[dir]
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item.SetBorder(amount)
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elif lprop == "minsize":
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flag = flag | minsize[value]
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elif lprop in misc_flags:
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if not value or str(value) == "" or str(value).lower() == "false":
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flag = flag &~ misc_flags[lprop]
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else:
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flag = flag | misc_flags[lprop]
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2007-01-04 01:47:19 -05:00
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# auto-adjust growable rows/columns if expand or proportion is set
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# on a sizer item in a FlexGridSizer
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if lprop in ["expand", "proportion"] and isinstance(sizer, wx.FlexGridSizer):
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cols = sizer.GetCols()
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rows = sizer.GetRows()
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# FIXME: I'd like to get the item index in the sizer instead, but
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# doing sizer.GetChildren.index(item) always gives an error
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itemnum = self.GetParent().GetChildren().index(self)
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col = 0
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row = 0
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if cols == 0:
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col, row = divmod( itemnum, rows )
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else:
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row, col = divmod( itemnum, cols )
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if lprop == "expand":
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sizer.AddGrowableCol(col)
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elif lprop == "proportion" and int(value) != 0:
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sizer.AddGrowableRow(row)
|
2006-11-17 11:12:36 -05:00
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item.SetFlag(flag)
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def SetSizerProps(self, props={}, **kwargs):
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allprops = {}
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allprops.update(props)
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allprops.update(kwargs)
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for prop in allprops:
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self.SetSizerProp(prop, allprops[prop])
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def GetDialogBorder(self):
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border = 6
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if wx.Platform == "__WXMAC__" or wx.Platform == "__WXGTK__":
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border = 12
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elif wx.Platform == "__WXMSW__":
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pnt = self.ConvertDialogPointToPixels(wx.Point(7, 7))
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border = pnt[0]
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return border
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def SetHGrow(self, proportion):
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data = self.GetUserData()
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if "HGrow" in data:
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data["HGrow"] = proportion
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self.SetUserData(data)
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def GetHGrow(self):
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if self.GetUserData() and "HGrow" in self.GetUserData():
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return self.GetUserData()["HGrow"]
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else:
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return 0
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def SetVGrow(self, proportion):
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data = self.GetUserData()
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if "VGrow" in data:
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data["VGrow"] = proportion
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self.SetUserData(data)
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def GetVGrow(self):
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if self.GetUserData() and "VGrow" in self.GetUserData():
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return self.GetUserData()["VGrow"]
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else:
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return 0
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def GetDefaultPanelBorder(self):
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# child controls will handle their borders, so don't pad the panel.
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return 0
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|
# Why, Python?! Why do you make it so easy?! ;-)
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|
wx.Dialog.GetDialogBorder = GetDialogBorder
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wx.Panel.GetDefaultBorder = GetDefaultPanelBorder
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wx.Notebook.GetDefaultBorder = GetDefaultPanelBorder
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wx.SplitterWindow.GetDefaultBorder = GetDefaultPanelBorder
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wx.Window.GetDefaultBorder = GetDefaultBorder
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|
wx.Window.SetDefaultSizerProps = SetDefaultSizerProps
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|
wx.Window.SetSizerProp = SetSizerProp
|
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|
|
wx.Window.SetSizerProps = SetSizerProps
|
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|
|
wx.Window.GetSizerProps = GetSizerProps
|
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|
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|
|
wx.SizerItem.SetHGrow = SetHGrow
|
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|
|
wx.SizerItem.GetHGrow = GetHGrow
|
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|
|
wx.SizerItem.SetVGrow = SetVGrow
|
|
|
|
wx.SizerItem.GetVGrow = GetVGrow
|
|
|
|
|
|
|
|
|
|
|
|
class SizedPanel(wx.PyPanel):
|
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|
|
def __init__(self, *args, **kwargs):
|
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|
|
wx.PyPanel.__init__(self, *args, **kwargs)
|
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|
|
sizer = wx.BoxSizer(wx.VERTICAL) #TableSizer(1, 0)
|
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|
|
self.SetSizer(sizer)
|
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|
|
self.sizerType = "vertical"
|
|
|
|
|
|
|
|
def AddChild(self, child):
|
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|
|
wx.PyPanel.base_AddChild(self, child)
|
|
|
|
|
|
|
|
sizer = self.GetSizer()
|
|
|
|
item = sizer.Add(child)
|
|
|
|
item.SetUserData({"HGrow":0, "VGrow":0})
|
|
|
|
|
|
|
|
# Note: One problem is that the child class given to AddChild
|
|
|
|
# is the underlying wxWidgets control, not its Python subclass. So if
|
|
|
|
# you derive your own class, and override that class' GetDefaultBorder(),
|
|
|
|
# etc. methods, it will have no effect.
|
|
|
|
child.SetDefaultSizerProps()
|
|
|
|
|
|
|
|
def GetSizerType(self):
|
|
|
|
return self.sizerType
|
|
|
|
|
|
|
|
def SetSizerType(self, type, options={}):
|
|
|
|
sizer = None
|
|
|
|
self.sizerType = type
|
|
|
|
if type == "horizontal":
|
|
|
|
sizer = wx.BoxSizer(wx.HORIZONTAL) # TableSizer(0, 1)
|
|
|
|
|
|
|
|
elif type == "vertical":
|
|
|
|
sizer = wx.BoxSizer(wx.VERTICAL) # TableSizer(1, 0)
|
|
|
|
|
|
|
|
elif type == "form":
|
|
|
|
#sizer = TableSizer(2, 0)
|
|
|
|
sizer = wx.FlexGridSizer(0, 2, 0, 0)
|
2007-01-04 01:47:19 -05:00
|
|
|
#sizer.AddGrowableCol(1)
|
2006-11-17 11:12:36 -05:00
|
|
|
|
|
|
|
elif type == "table":
|
|
|
|
rows = cols = 0
|
|
|
|
if options.has_key('rows'):
|
|
|
|
rows = int(options['rows'])
|
|
|
|
|
|
|
|
if options.has_key('cols'):
|
|
|
|
cols = int(options['cols'])
|
|
|
|
|
|
|
|
sizer = TableSizer(rows, cols)
|
|
|
|
|
|
|
|
elif type == "grid":
|
|
|
|
sizer = wx.FlexGridSizer(0, 0, 0, 0)
|
|
|
|
if options.has_key('rows'):
|
|
|
|
sizer.SetRows(int(options['rows']))
|
|
|
|
else:
|
|
|
|
sizer.SetRows(0)
|
|
|
|
if options.has_key('cols'):
|
|
|
|
sizer.SetCols(int(options['cols']))
|
|
|
|
else:
|
|
|
|
sizer.SetCols(0)
|
|
|
|
|
|
|
|
if options.has_key('growable_row'):
|
|
|
|
row, proportion = options['growable_row']
|
|
|
|
sizer.SetGrowableRow(row, proportion)
|
|
|
|
|
|
|
|
if options.has_key('growable_col'):
|
|
|
|
col, proportion = options['growable_col']
|
|
|
|
sizer.SetGrowableCol(col, proportion)
|
|
|
|
|
|
|
|
if options.has_key('hgap'):
|
|
|
|
sizer.SetHGap(options['hgap'])
|
|
|
|
|
|
|
|
if options.has_key('vgap'):
|
|
|
|
sizer.SetVGap(options['vgap'])
|
|
|
|
if sizer:
|
|
|
|
self._SetNewSizer(sizer)
|
|
|
|
|
|
|
|
def _SetNewSizer(self, sizer):
|
|
|
|
props = {}
|
|
|
|
for child in self.GetChildren():
|
|
|
|
props[child.GetId()] = child.GetSizerProps()
|
|
|
|
self.GetSizer().Detach(child)
|
|
|
|
|
|
|
|
wx.PyPanel.SetSizer(self, sizer)
|
|
|
|
|
|
|
|
for child in self.GetChildren():
|
|
|
|
self.GetSizer().Add(child)
|
|
|
|
child.SetSizerProps(props[child.GetId()])
|
|
|
|
|
|
|
|
class SizedDialog(wx.Dialog):
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
|
|
wx.Dialog.__init__(self, *args, **kwargs)
|
|
|
|
|
|
|
|
self.borderLen = 12
|
|
|
|
self.mainPanel = SizedPanel(self, -1)
|
|
|
|
|
|
|
|
mysizer = wx.BoxSizer(wx.VERTICAL)
|
|
|
|
mysizer.Add(self.mainPanel, 1, wx.EXPAND | wx.ALL, self.GetDialogBorder())
|
|
|
|
self.SetSizer(mysizer)
|
|
|
|
|
|
|
|
self.SetAutoLayout(True)
|
|
|
|
|
|
|
|
def GetContentsPane(self):
|
|
|
|
return self.mainPanel
|
|
|
|
|
|
|
|
def SetButtonSizer(self, sizer):
|
|
|
|
self.GetSizer().Add(sizer, 0, wx.EXPAND | wx.BOTTOM | wx.RIGHT, self.GetDialogBorder())
|
|
|
|
|
|
|
|
# Temporary hack to fix button ordering problems.
|
|
|
|
cancel = self.FindWindowById(wx.ID_CANCEL)
|
|
|
|
no = self.FindWindowById(wx.ID_NO)
|
|
|
|
if no and cancel:
|
|
|
|
cancel.MoveAfterInTabOrder(no)
|
|
|
|
|
|
|
|
class SizedFrame(wx.Frame):
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
|
|
wx.Frame.__init__(self, *args, **kwargs)
|
|
|
|
|
|
|
|
self.borderLen = 12
|
|
|
|
# this probably isn't needed, but I thought it would help to make it consistent
|
|
|
|
# with SizedDialog, and creating a panel to hold things is often good practice.
|
|
|
|
self.mainPanel = SizedPanel(self, -1)
|
|
|
|
|
|
|
|
mysizer = wx.BoxSizer(wx.VERTICAL)
|
|
|
|
mysizer.Add(self.mainPanel, 1, wx.EXPAND)
|
|
|
|
self.SetSizer(mysizer)
|
|
|
|
|
|
|
|
self.SetAutoLayout(True)
|
|
|
|
|
|
|
|
def GetContentsPane(self):
|
2007-02-07 11:24:56 -05:00
|
|
|
return self.mainPanel
|