在研发闲暇时间，把开发过程中比较重要的一些代码做个珍藏，下面的代码内容是关于wxpython 支持python语法高亮的自定义文本框控件的代码，应该是对大家也有用。

import keyword

import wx

import wx.stc as stc

import images

#----------------------------------------------------------------------

demoText = """

## This version of the editor has been set up to edit Python source

## code. Here is a copy of wxPython/demo/Main.py to play with.

"""

#----------------------------------------------------------------------

if wx.Platform == '__WXMSW__':

faces = { 'times': 'Times New Roman',

'mono' : 'Courier New',

'helv' : 'Arial',

'other': 'Comic Sans MS',

'size' : 10,

'size2': 8,

}

elif wx.Platform == '__WXMAC__':

faces = { 'times': 'Times New Roman',

'mono' : 'Monaco',

'helv' : 'Arial',

'other': 'Comic Sans MS',

'size' : 12,

'size2': 10,

}

else:

faces = { 'times': 'Times',

'mono' : 'Courier',

'helv' : 'Helvetica',

'other': 'new century schoolbook',

'size' : 12,

'size2': 10,

}

class PythonSTC(stc.StyledTextCtrl):

fold_symbols = 2

def __init__(self, parent, ID,

pos=wx.DefaultPosition, size=wx.DefaultSize,

style=0):

stc.StyledTextCtrl.__init__(self, parent, ID, pos, size, style)

self.CmdKeyAssign(ord('B'), stc.STC_SCMOD_CTRL, stc.STC_CMD_ZOOMIN)

self.CmdKeyAssign(ord('N'), stc.STC_SCMOD_CTRL, stc.STC_CMD_ZOOMOUT)

self.SetLexer(stc.STC_LEX_PYTHON)

self.SetKeyWords(0, " ".join(keyword.kwlist))

self.SetProperty("fold", "1")

self.SetProperty("tab.timmy.whinge.level", "1")

self.SetMargins(0,0)

self.SetViewWhiteSpace(False)

#self.SetBufferedDraw(False)

#self.SetViewEOL(True)

#self.SetEOLMode(stc.STC_EOL_CRLF)

#self.SetUseAntiAliasing(True)

self.SetEdgeMode(stc.STC_EDGE_BACKGROUND)

self.SetEdgeColumn(78)

# Setup a margin to hold fold markers

#self.SetFoldFlags(16) ### WHAT IS THIS VALUE? WHAT ARE THE OTHER FLAGS? DOES IT MATTER?

self.SetMarginType(2, stc.STC_MARGIN_SYMBOL)

self.SetMarginMask(2, stc.STC_MASK_FOLDERS)

self.SetMarginSensitive(2, True)

self.SetMarginWidth(2, 12)

if self.fold_symbols == 0:

# Arrow pointing right for contracted folders, arrow pointing down for expanded

self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPEN, stc.STC_MARK_ARROWDOWN, "black", "black")

self.MarkerDefine(stc.STC_MARKNUM_FOLDER, stc.STC_MARK_ARROW, "black", "black")

self.MarkerDefine(stc.STC_MARKNUM_FOLDERSUB, stc.STC_MARK_EMPTY, "black", "black")

self.MarkerDefine(stc.STC_MARKNUM_FOLDERTAIL, stc.STC_MARK_EMPTY, "black", "black")

self.MarkerDefine(stc.STC_MARKNUM_FOLDEREND, stc.STC_MARK_EMPTY, "white", "black")

self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPENMID, stc.STC_MARK_EMPTY, "white", "black")

self.MarkerDefine(stc.STC_MARKNUM_FOLDERMIDTAIL, stc.STC_MARK_EMPTY, "white", "black")

elif self.fold_symbols == 1:

# Plus for contracted folders, minus for expanded

self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPEN, stc.STC_MARK_MINUS, "white", "black")

self.MarkerDefine(stc.STC_MARKNUM_FOLDER, stc.STC_MARK_PLUS, "white", "black")

self.MarkerDefine(stc.STC_MARKNUM_FOLDERSUB, stc.STC_MARK_EMPTY, "white", "black")

self.MarkerDefine(stc.STC_MARKNUM_FOLDERTAIL, stc.STC_MARK_EMPTY, "white", "black")

self.MarkerDefine(stc.STC_MARKNUM_FOLDEREND, stc.STC_MARK_EMPTY, "white", "black")

self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPENMID, stc.STC_MARK_EMPTY, "white", "black")

self.MarkerDefine(stc.STC_MARKNUM_FOLDERMIDTAIL, stc.STC_MARK_EMPTY, "white", "black")

elif self.fold_symbols == 2:

# Like a flattened tree control using circular headers and curved joins

self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPEN, stc.STC_MARK_CIRCLEMINUS, "white", "#404040")

self.MarkerDefine(stc.STC_MARKNUM_FOLDER, stc.STC_MARK_CIRCLEPLUS, "white", "#404040")

self.MarkerDefine(stc.STC_MARKNUM_FOLDERSUB, stc.STC_MARK_VLINE, "white", "#404040")

self.MarkerDefine(stc.STC_MARKNUM_FOLDERTAIL, stc.STC_MARK_LCORNERCURVE, "white", "#404040")

self.MarkerDefine(stc.STC_MARKNUM_FOLDEREND, stc.STC_MARK_CIRCLEPLUSCONNECTED, "white", "#404040")

self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPENMID, stc.STC_MARK_CIRCLEMINUSCONNECTED, "white", "#404040")

self.MarkerDefine(stc.STC_MARKNUM_FOLDERMIDTAIL, stc.STC_MARK_TCORNERCURVE, "white", "#404040")

elif self.fold_symbols == 3:

# Like a flattened tree control using square headers

self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPEN, stc.STC_MARK_BOXMINUS, "white", "#808080")

self.MarkerDefine(stc.STC_MARKNUM_FOLDER, stc.STC_MARK_BOXPLUS, "white", "#808080")

self.MarkerDefine(stc.STC_MARKNUM_FOLDERSUB, stc.STC_MARK_VLINE, "white", "#808080")

self.MarkerDefine(stc.STC_MARKNUM_FOLDERTAIL, stc.STC_MARK_LCORNER, "white", "#808080")

self.MarkerDefine(stc.STC_MARKNUM_FOLDEREND, stc.STC_MARK_BOXPLUSCONNECTED, "white", "#808080")

self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPENMID, stc.STC_MARK_BOXMINUSCONNECTED, "white", "#808080")

self.MarkerDefine(stc.STC_MARKNUM_FOLDERMIDTAIL, stc.STC_MARK_TCORNER, "white", "#808080")

self.Bind(stc.EVT_STC_UPDATEUI, self.OnUpdateUI)

self.Bind(stc.EVT_STC_MARGINCLICK, self.OnMarginClick)

self.Bind(wx.EVT_KEY_DOWN, self.OnKeyPressed)

# Make some styles, The lexer defines what each style is used for, we

# just have to define what each style looks like. This set is adapted from

# Scintilla sample property files.

# Global default styles for all languages

self.StyleSetSpec(stc.STC_STYLE_DEFAULT, "face:%(helv)s,size:%(size)d" % faces)

self.StyleClearAll() # Reset all to be like the default

# Global default styles for all languages

self.StyleSetSpec(stc.STC_STYLE_DEFAULT, "face:%(helv)s,size:%(size)d" % faces)

self.StyleSetSpec(stc.STC_STYLE_LINENUMBER, "back:#C0C0C0,face:%(helv)s,size:%(size2)d" % faces)

self.StyleSetSpec(stc.STC_STYLE_CONTROLCHAR, "face:%(other)s" % faces)

self.StyleSetSpec(stc.STC_STYLE_BRACELIGHT, "fore:#FFFFFF,back:#0000FF,bold")

self.StyleSetSpec(stc.STC_STYLE_BRACEBAD, "fore:#000000,back:#FF0000,bold")

# Python styles

# Default

self.StyleSetSpec(stc.STC_P_DEFAULT, "fore:#000000,face:%(helv)s,size:%(size)d" % faces)

# Comments

self.StyleSetSpec(stc.STC_P_COMMENTLINE, "fore:#007F00,face:%(other)s,size:%(size)d" % faces)

# Number

self.StyleSetSpec(stc.STC_P_NUMBER, "fore:#007F7F,size:%(size)d" % faces)

# String

self.StyleSetSpec(stc.STC_P_STRING, "fore:#7F007F,face:%(helv)s,size:%(size)d" % faces)

# Single quoted string

self.StyleSetSpec(stc.STC_P_CHARACTER, "fore:#7F007F,face:%(helv)s,size:%(size)d" % faces)

# Keyword

self.StyleSetSpec(stc.STC_P_WORD, "fore:#00007F,bold,size:%(size)d" % faces)

# Triple quotes

self.StyleSetSpec(stc.STC_P_TRIPLE, "fore:#7F0000,size:%(size)d" % faces)

# Triple double quotes

self.StyleSetSpec(stc.STC_P_TRIPLEDOUBLE, "fore:#7F0000,size:%(size)d" % faces)

# Class name definition

self.StyleSetSpec(stc.STC_P_CLASSNAME, "fore:#0000FF,bold,underline,size:%(size)d" % faces)

# Function or method name definition

self.StyleSetSpec(stc.STC_P_DEFNAME, "fore:#007F7F,bold,size:%(size)d" % faces)

# Operators

self.StyleSetSpec(stc.STC_P_OPERATOR, "bold,size:%(size)d" % faces)

# Identifiers

self.StyleSetSpec(stc.STC_P_IDENTIFIER, "fore:#000000,face:%(helv)s,size:%(size)d" % faces)

# Comment-blocks

self.StyleSetSpec(stc.STC_P_COMMENTBLOCK, "fore:#7F7F7F,size:%(size)d" % faces)

# End of line where string is not closed

self.StyleSetSpec(stc.STC_P_STRINGEOL, "fore:#000000,face:%(mono)s,back:#E0C0E0,eol,size:%(size)d" % faces)

self.SetCaretForeground("BLUE")

# register some images for use in the AutoComplete box.

self.RegisterImage(1, images.Smiles.GetBitmap())

self.RegisterImage(2,

wx.ArtProvider.GetBitmap(wx.ART_NEW, size=(16,16)))

self.RegisterImage(3,

wx.ArtProvider.GetBitmap(wx.ART_COPY, size=(16,16)))

def OnKeyPressed(self, event):

if self.CallTipActive():

self.CallTipCancel()

key = event.GetKeyCode()

if key == 32 and event.ControlDown():

pos = self.GetCurrentPos()

# Tips

if event.ShiftDown():

self.CallTipSetBackground("yellow")

self.CallTipShow(pos, 'lots of of text: blah, blah, blahnn'

'show some suff, maybe parameters..nn'

'fubar(param1, param2)')

# Code completion

else:

#lst = []

#for x in range(50000):

# lst.append('%05d' % x)

#st = " ".join(lst)

#print len(st)

#self.AutoCompShow(0, st)

kw = keyword.kwlist[:]

kw.append("zzzzzz?2")

kw.append("aaaaa?2")

kw.append("__init__?3")

kw.append("zzaaaaa?2")

kw.append("zzbaaaa?2")

kw.append("this_is_a_longer_value")

#kw.append("this_is_a_much_much_much_much_much_much_much_longer_value")

kw.sort() # Python sorts are case sensitive

self.AutoCompSetIgnoreCase(False) # so this needs to match

# Images are specified with a appended "?type"

for i in range(len(kw)):

if kw[i] in keyword.kwlist:

kw[i] = kw[i] + "?1"

self.AutoCompShow(0, " ".join(kw))

else:

event.Skip()

def OnUpdateUI(self, evt):

# check for matching braces

braceAtCaret = -1

braceOpposite = -1

charBefore = None

caretPos = self.GetCurrentPos()

if caretPos > 0:

charBefore = self.GetCharAt(caretPos - 1)

styleBefore = self.GetStyleAt(caretPos - 1)

# check before

if charBefore and chr(charBefore) in "[]{}()" and styleBefore == stc.STC_P_OPERATOR:

braceAtCaret = caretPos - 1

# check after

if braceAtCaret < 0:

charAfter = self.GetCharAt(caretPos)

styleAfter = self.GetStyleAt(caretPos)

if charAfter and chr(charAfter) in "[]{}()" and styleAfter == stc.STC_P_OPERATOR:

braceAtCaret = caretPos

if braceAtCaret >= 0:

braceOpposite = self.BraceMatch(braceAtCaret)

if braceAtCaret != -1 and braceOpposite == -1:

self.BraceBadLight(braceAtCaret)

else:

self.BraceHighlight(braceAtCaret, braceOpposite)

#pt = self.PointFromPosition(braceOpposite)

#self.Refresh(True, wxRect(pt.x, pt.y, 5,5))

#print pt

#self.Refresh(False)

def OnMarginClick(self, evt):

# fold and unfold as needed

if evt.GetMargin() == 2:

if evt.GetShift() and evt.GetControl():

self.FoldAll()

else:

lineClicked = self.LineFromPosition(evt.GetPosition())

if self.GetFoldLevel(lineClicked) & stc.STC_FOLDLEVELHEADERFLAG:

if evt.GetShift():

self.SetFoldExpanded(lineClicked, True)

self.Expand(lineClicked, True, True, 1)

elif evt.GetControl():

if self.GetFoldExpanded(lineClicked):

self.SetFoldExpanded(lineClicked, False)

self.Expand(lineClicked, False, True, 0)

else:

self.SetFoldExpanded(lineClicked, True)

self.Expand(lineClicked, True, True, 100)

else:

self.ToggleFold(lineClicked)

def FoldAll(self):

lineCount = self.GetLineCount()

expanding = True

# find out if we are folding or unfolding

for lineNum in range(lineCount):

if self.GetFoldLevel(lineNum) & stc.STC_FOLDLEVELHEADERFLAG:

expanding = not self.GetFoldExpanded(lineNum)

break

lineNum = 0

while lineNum < lineCount:

level = self.GetFoldLevel(lineNum)

if level & stc.STC_FOLDLEVELHEADERFLAG and

(level & stc.STC_FOLDLEVELNUMBERMASK) == stc.STC_FOLDLEVELBASE:

if expanding:

self.SetFoldExpanded(lineNum, True)

lineNum = self.Expand(lineNum, True)

lineNum = lineNum - 1

else:

lastChild = self.GetLastChild(lineNum, -1)

self.SetFoldExpanded(lineNum, False)

if lastChild > lineNum:

self.HideLines(lineNum+1, lastChild)

lineNum = lineNum + 1

def Expand(self, line, doExpand, force=False, visLevels=0, level=-1):

lastChild = self.GetLastChild(line, level)

line = line + 1

while line <= lastChild:

if force:

if visLevels > 0:

self.ShowLines(line, line)

else:

self.HideLines(line, line)

else:

if doExpand:

self.ShowLines(line, line)

if level == -1:

level = self.GetFoldLevel(line)

if level & stc.STC_FOLDLEVELHEADERFLAG:

if force:

if visLevels > 1:

self.SetFoldExpanded(line, True)

else:

self.SetFoldExpanded(line, False)

line = self.Expand(line, doExpand, force, visLevels-1)

else:

if doExpand and self.GetFoldExpanded(line):

line = self.Expand(line, True, force, visLevels-1)

else:

line = self.Expand(line, False, force, visLevels-1)

else:

line = line + 1

return line

#----------------------------------------------------------------------

_USE_PANEL = 1

def runTest(frame, nb, log):

if not _USE_PANEL:

ed = p = PythonSTC(nb, -1)

else:

p = wx.Panel(nb, -1, style = wx.NO_FULL_REPAINT_ON_RESIZE)

ed = PythonSTC(p, -1)

s = wx.BoxSizer(wx.HORIZONTAL)

s.Add(ed, 1, wx.EXPAND)

p.SetSizer(s)

p.SetAutoLayout(True)

ed.SetText(demoText + open('main.py').read())

ed.EmptyUndoBuffer()

ed.Colourise(0, -1)

# line numbers in the margin

ed.SetMarginType(1, stc.STC_MARGIN_NUMBER)

ed.SetMarginWidth(1, 25)

return p

#----------------------------------------------------------------------

overview = """

Once again, no docs yet. Sorry. But this

be helpful.

"""

if __name__ == '__main__':

import sys,os

import run

run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])