wxpython 支持python语法高亮的自定义文本框控件的代码

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 = """
<html><body>
Once again, no docs yet. <b>Sorry.</b> But <a href="data/stc.h.html">this</a>
be helpful.
</body><html>
"""

if __name__ == '__main__':
import sys,os
import run
run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])