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https://github.com/Sneed-Group/Poodletooth-iLand
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97 lines
3.2 KiB
Python
Executable file
97 lines
3.2 KiB
Python
Executable file
#----------------------------------------------------------------------
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# Name: wx.lib.wordwrap
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# Purpose: Contains a function to aid in word-wrapping some text
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#
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# Author: Robin Dunn
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#
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# Created: 15-Oct-2006
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# Copyright: (c) 2006 by Total Control Software
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# Licence: wxWindows license
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# Tags: phoenix-port
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#----------------------------------------------------------------------
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def wordwrap(text, width, dc, breakLongWords=True, margin=0):
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"""
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Returns a copy of text with newline characters inserted where long
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lines should be broken such that they will fit within the given
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width, with the given margin left and right, on the given `wx.DC`
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using its current font settings. By default words that are wider
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than the margin-adjusted width will be broken at the nearest
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character boundary, but this can be disabled by passing ``False``
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for the ``breakLongWords`` parameter.
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"""
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wrapped_lines = []
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text = text.split('\n')
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for line in text:
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pte = dc.GetPartialTextExtents(line)
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wid = ( width - (2*margin+1)*dc.GetTextExtent(' ')[0]
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- max([0] + [pte[i]-pte[i-1] for i in range(1,len(pte))]) )
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idx = 0
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start = 0
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startIdx = 0
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spcIdx = -1
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while idx < len(pte):
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# remember the last seen space
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if line[idx] == ' ':
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spcIdx = idx
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# have we reached the max width?
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if pte[idx] - start > wid and (spcIdx != -1 or breakLongWords):
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if spcIdx != -1:
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idx = min(spcIdx + 1, len(pte) - 1)
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wrapped_lines.append(' '*margin + line[startIdx : idx] + ' '*margin)
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start = pte[idx]
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startIdx = idx
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spcIdx = -1
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idx += 1
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wrapped_lines.append(' '*margin + line[startIdx : idx] + ' '*margin)
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return '\n'.join(wrapped_lines)
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if __name__ == '__main__':
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import wx
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class TestPanel(wx.Panel):
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def __init__(self, parent):
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wx.Panel.__init__(self, parent)
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self.tc = wx.TextCtrl(self, -1, "", (20,20), (150,150), wx.TE_MULTILINE)
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self.Bind(wx.EVT_TEXT, self.OnDoUpdate, self.tc)
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self.Bind(wx.EVT_SIZE, self.OnSize)
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def OnSize(self, evt):
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wx.CallAfter(self.OnDoUpdate, None)
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def OnDoUpdate(self, evt):
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WIDTH = self.GetSize().width - 220
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HEIGHT = 200
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bmp = wx.Bitmap(WIDTH, HEIGHT)
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mdc = wx.MemoryDC(bmp)
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mdc.SetBackground(wx.Brush("white"))
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mdc.Clear()
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mdc.SetPen(wx.Pen("black"))
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mdc.SetFont(wx.Font(10, wx.FONTFAMILY_SWISS, wx.FONTSTYLE_NORMAL, wx.FONTWEIGHT_NORMAL))
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mdc.DrawRectangle(0,0, WIDTH, HEIGHT)
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text = wordwrap(self.tc.GetValue(), WIDTH-2, mdc, False)
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#print(repr(text))
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mdc.DrawLabel(text, (1,1, WIDTH-2, HEIGHT-2))
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del mdc
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dc = wx.ClientDC(self)
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dc.DrawBitmap(bmp, 200, 20)
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app = wx.App(False)
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frm = wx.Frame(None, title="Test wordWrap")
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pnl = TestPanel(frm)
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frm.Show()
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app.MainLoop()
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