wxPython/demo/wxStyledTextCtrl_2.py

   1
   2 from wxPython.wx import *
   3 from wxPython.stc import *
   4 import images
   5 import keyword
   6
   7 #----------------------------------------------------------------------
   8
   9 demoText = """\
  10 ## This version of the editor has been set up to edit Python source
  11 ## code.  Here is a copy of wxPython/demo/Main.py to play with.
  12
  13
  14 """
  15
  16 #----------------------------------------------------------------------
  17
  18
  19 if wxPlatform == '__WXMSW__':
  20     faces = { 'times': 'Times New Roman',
  21               'mono' : 'Courier New',
  22               'helv' : 'Arial',
  23               'other': 'Comic Sans MS',
  24               'size' : 10,
  25               'size2': 8,
  26              }
  27 else:
  28     faces = { 'times': 'Times',
  29               'mono' : 'Courier',
  30               'helv' : 'Helvetica',
  31               'other': 'new century schoolbook',
  32               'size' : 12,
  33               'size2': 10,
  34              }
  35
  36
  37 #----------------------------------------------------------------------
  38
  39 class PythonSTC(wxStyledTextCtrl):
  40     def __init__(self, parent, ID):
  41         wxStyledTextCtrl.__init__(self, parent, ID,
  42                                   style = wxNO_FULL_REPAINT_ON_RESIZE)
  43
  44         self.CmdKeyAssign(ord('B'), wxSTC_SCMOD_CTRL, wxSTC_CMD_ZOOMIN)
  45         self.CmdKeyAssign(ord('N'), wxSTC_SCMOD_CTRL, wxSTC_CMD_ZOOMOUT)
  46
  47         self.SetLexer(wxSTC_LEX_PYTHON)
  48         self.SetKeyWords(0, " ".join(keyword.kwlist))
  49
  50         self.SetProperty("fold", "1")
  51         self.SetProperty("tab.timmy.whinge.level", "1")
  52         self.SetMargins(0,0)
  53
  54         self.SetViewWhiteSpace(False)
  55         #self.SetBufferedDraw(False)
  56         #self.SetViewEOL(True)
  57
  58         self.SetEdgeMode(wxSTC_EDGE_BACKGROUND)
  59         self.SetEdgeColumn(78)
  60
  61         # Setup a margin to hold fold markers
  62         #self.SetFoldFlags(16)  ###  WHAT IS THIS VALUE?  WHAT ARE THE OTHER FLAGS?  DOES IT MATTER?
  63         self.SetMarginType(2, wxSTC_MARGIN_SYMBOL)
  64         self.SetMarginMask(2, wxSTC_MASK_FOLDERS)
  65         self.SetMarginSensitive(2, True)
  66         self.SetMarginWidth(2, 12)
  67
  68         if 0: # simple folder marks, like the old version
  69             self.MarkerDefine(wxSTC_MARKNUM_FOLDER, wxSTC_MARK_ARROW, "navy", "navy")
  70             self.MarkerDefine(wxSTC_MARKNUM_FOLDEROPEN, wxSTC_MARK_ARROWDOWN, "navy", "navy")
  71             # Set these to an invisible mark
  72             self.MarkerDefine(wxSTC_MARKNUM_FOLDEROPENMID, wxSTC_MARK_BACKGROUND, "white", "black")
  73             self.MarkerDefine(wxSTC_MARKNUM_FOLDERMIDTAIL, wxSTC_MARK_BACKGROUND, "white", "black")
  74             self.MarkerDefine(wxSTC_MARKNUM_FOLDERSUB, wxSTC_MARK_BACKGROUND, "white", "black")
  75             self.MarkerDefine(wxSTC_MARKNUM_FOLDERTAIL, wxSTC_MARK_BACKGROUND, "white", "black")
  76
  77         else: # more involved "outlining" folder marks
  78             self.MarkerDefine(wxSTC_MARKNUM_FOLDEREND,     wxSTC_MARK_BOXPLUSCONNECTED,  "white", "black")
  79             self.MarkerDefine(wxSTC_MARKNUM_FOLDEROPENMID, wxSTC_MARK_BOXMINUSCONNECTED, "white", "black")
  80             self.MarkerDefine(wxSTC_MARKNUM_FOLDERMIDTAIL, wxSTC_MARK_TCORNER,  "white", "black")
  81             self.MarkerDefine(wxSTC_MARKNUM_FOLDERTAIL,    wxSTC_MARK_LCORNER,  "white", "black")
  82             self.MarkerDefine(wxSTC_MARKNUM_FOLDERSUB,     wxSTC_MARK_VLINE,    "white", "black")
  83             self.MarkerDefine(wxSTC_MARKNUM_FOLDER,        wxSTC_MARK_BOXPLUS,  "white", "black")
  84             self.MarkerDefine(wxSTC_MARKNUM_FOLDEROPEN,    wxSTC_MARK_BOXMINUS, "white", "black")
  85
  86
  87         EVT_STC_UPDATEUI(self,    ID, self.OnUpdateUI)
  88         EVT_STC_MARGINCLICK(self, ID, self.OnMarginClick)
  89         EVT_KEY_DOWN(self, self.OnKeyPressed)
  90
  91
  92         # Make some styles,  The lexer defines what each style is used for, we
  93         # just have to define what each style looks like.  This set is adapted from
  94         # Scintilla sample property files.
  95
  96         self.StyleClearAll()
  97
  98         # Global default styles for all languages
  99         self.StyleSetSpec(wxSTC_STYLE_DEFAULT,     "face:%(helv)s,size:%(size)d" % faces)
 100         self.StyleSetSpec(wxSTC_STYLE_LINENUMBER,  "back:#C0C0C0,face:%(helv)s,size:%(size2)d" % faces)
 101         self.StyleSetSpec(wxSTC_STYLE_CONTROLCHAR, "face:%(other)s" % faces)
 102         self.StyleSetSpec(wxSTC_STYLE_BRACELIGHT,  "fore:#FFFFFF,back:#0000FF,bold")
 103         self.StyleSetSpec(wxSTC_STYLE_BRACEBAD,    "fore:#000000,back:#FF0000,bold")
 104
 105         # Python styles
 106         # White space
 107         self.StyleSetSpec(wxSTC_P_DEFAULT, "fore:#808080,face:%(helv)s,size:%(size)d" % faces)
 108         # Comment
 109         self.StyleSetSpec(wxSTC_P_COMMENTLINE, "fore:#007F00,face:%(other)s,size:%(size)d" % faces)
 110         # Number
 111         self.StyleSetSpec(wxSTC_P_NUMBER, "fore:#007F7F,size:%(size)d" % faces)
 112         # String
 113         self.StyleSetSpec(wxSTC_P_STRING, "fore:#7F007F,face:%(helv)s,size:%(size)d" % faces)
 114         # Single quoted string
 115         self.StyleSetSpec(wxSTC_P_CHARACTER, "fore:#7F007F,face:%(helv)s,size:%(size)d" % faces)
 116         # Keyword
 117         self.StyleSetSpec(wxSTC_P_WORD, "fore:#00007F,bold,size:%(size)d" % faces)
 118         # Triple quotes
 119         self.StyleSetSpec(wxSTC_P_TRIPLE, "fore:#7F0000,size:%(size)d" % faces)
 120         # Triple double quotes
 121         self.StyleSetSpec(wxSTC_P_TRIPLEDOUBLE, "fore:#7F0000,size:%(size)d" % faces)
 122         # Class name definition
 123         self.StyleSetSpec(wxSTC_P_CLASSNAME, "fore:#0000FF,bold,underline,size:%(size)d" % faces)
 124         # Function or method name definition
 125         self.StyleSetSpec(wxSTC_P_DEFNAME, "fore:#007F7F,bold,size:%(size)d" % faces)
 126         # Operators
 127         self.StyleSetSpec(wxSTC_P_OPERATOR, "bold,size:%(size)d" % faces)
 128         # Identifiers
 129         self.StyleSetSpec(wxSTC_P_IDENTIFIER, "fore:#808080,face:%(helv)s,size:%(size)d" % faces)
 130         # Comment-blocks
 131         self.StyleSetSpec(wxSTC_P_COMMENTBLOCK, "fore:#7F7F7F,size:%(size)d" % faces)
 132         # End of line where string is not closed
 133         self.StyleSetSpec(wxSTC_P_STRINGEOL, "fore:#000000,face:%(mono)s,back:#E0C0E0,eol,size:%(size)d" % faces)
 134
 135         self.SetCaretForeground("BLUE")
 136
 137
 138         # register some images for use in the AutoComplete box.
 139         self.RegisterImage(1, images.getSmilesBitmap())
 140         self.RegisterImage(2, images.getFile1Bitmap())
 141         self.RegisterImage(3, images.getCopy2Bitmap())
 142
 143
 144
 145
 146     def OnKeyPressed(self, event):
 147         if self.CallTipActive():
 148             self.CallTipCancel()
 149         key = event.KeyCode()
 150         if key == 32 and event.ControlDown():
 151             pos = self.GetCurrentPos()
 152             # Tips
 153             if event.ShiftDown():
 154                 self.CallTipSetBackground("yellow")
 155                 self.CallTipShow(pos, 'lots of of text: blah, blah, blah\n\n'
 156                                  'show some suff, maybe parameters..\n\n'
 157                                  'fubar(param1, param2)')
 158             # Code completion
 159             else:
 160                 #lst = []
 161                 #for x in range(50000):
 162                 #    lst.append('%05d' % x)
 163                 #st = " ".join(lst)
 164                 #print len(st)
 165                 #self.AutoCompShow(0, st)
 166
 167                 kw = keyword.kwlist[:]
 168                 kw.append("zzzzzz?2")
 169                 kw.append("aaaaa?2")
 170                 kw.append("__init__?3")
 171                 kw.append("zzaaaaa?2")
 172                 kw.append("zzbaaaa?2")
 173                 kw.append("this_is_a_longer_value")
 174                 #kw.append("this_is_a_much_much_much_much_much_much_much_longer_value")
 175
 176                 kw.sort()  # Python sorts are case sensitive
 177                 self.AutoCompSetIgnoreCase(False)  # so this needs to match
 178
 179                 # Images are specified with a appended "?type"
 180                 for i in range(len(kw)):
 181                     if kw[i] in keyword.kwlist:
 182                         kw[i] = kw[i] + "?1"
 183
 184                 self.AutoCompShow(0, " ".join(kw))
 185         else:
 186             event.Skip()
 187
 188
 189     def OnUpdateUI(self, evt):
 190         # check for matching braces
 191         braceAtCaret = -1
 192         braceOpposite = -1
 193         charBefore = None
 194         caretPos = self.GetCurrentPos()
 195         if caretPos > 0:
 196             charBefore = self.GetCharAt(caretPos - 1)
 197             styleBefore = self.GetStyleAt(caretPos - 1)
 198
 199         # check before
 200         if charBefore and chr(charBefore) in "[]{}()" and styleBefore == wxSTC_P_OPERATOR:
 201             braceAtCaret = caretPos - 1
 202
 203         # check after
 204         if braceAtCaret < 0:
 205             charAfter = self.GetCharAt(caretPos)
 206             styleAfter = self.GetStyleAt(caretPos)
 207             if charAfter and chr(charAfter) in "[]{}()" and styleAfter == wxSTC_P_OPERATOR:
 208                 braceAtCaret = caretPos
 209
 210         if braceAtCaret >= 0:
 211             braceOpposite = self.BraceMatch(braceAtCaret)
 212
 213         if braceAtCaret != -1  and braceOpposite == -1:
 214             self.BraceBadLight(braceAtCaret)
 215         else:
 216             self.BraceHighlight(braceAtCaret, braceOpposite)
 217             #pt = self.PointFromPosition(braceOpposite)
 218             #self.Refresh(True, wxRect(pt.x, pt.y, 5,5))
 219             #print pt
 220             #self.Refresh(False)
 221
 222
 223     def OnMarginClick(self, evt):
 224         # fold and unfold as needed
 225         if evt.GetMargin() == 2:
 226             if evt.GetShift() and evt.GetControl():
 227                 self.FoldAll()
 228             else:
 229                 lineClicked = self.LineFromPosition(evt.GetPosition())
 230                 if self.GetFoldLevel(lineClicked) & wxSTC_FOLDLEVELHEADERFLAG:
 231                     if evt.GetShift():
 232                         self.SetFoldExpanded(lineClicked, True)
 233                         self.Expand(lineClicked, True, True, 1)
 234                     elif evt.GetControl():
 235                         if self.GetFoldExpanded(lineClicked):
 236                             self.SetFoldExpanded(lineClicked, False)
 237                             self.Expand(lineClicked, False, True, 0)
 238                         else:
 239                             self.SetFoldExpanded(lineClicked, True)
 240                             self.Expand(lineClicked, True, True, 100)
 241                     else:
 242                         self.ToggleFold(lineClicked)
 243
 244
 245     def FoldAll(self):
 246         lineCount = self.GetLineCount()
 247         expanding = True
 248
 249         # find out if we are folding or unfolding
 250         for lineNum in range(lineCount):
 251             if self.GetFoldLevel(lineNum) & wxSTC_FOLDLEVELHEADERFLAG:
 252                 expanding = not self.GetFoldExpanded(lineNum)
 253                 break;
 254
 255         lineNum = 0
 256         while lineNum < lineCount:
 257             level = self.GetFoldLevel(lineNum)
 258             if level & wxSTC_FOLDLEVELHEADERFLAG and \
 259                (level & wxSTC_FOLDLEVELNUMBERMASK) == wxSTC_FOLDLEVELBASE:
 260
 261                 if expanding:
 262                     self.SetFoldExpanded(lineNum, True)
 263                     lineNum = self.Expand(lineNum, True)
 264                     lineNum = lineNum - 1
 265                 else:
 266                     lastChild = self.GetLastChild(lineNum, -1)
 267                     self.SetFoldExpanded(lineNum, False)
 268                     if lastChild > lineNum:
 269                         self.HideLines(lineNum+1, lastChild)
 270
 271             lineNum = lineNum + 1
 272
 273
 274
 275     def Expand(self, line, doExpand, force=False, visLevels=0, level=-1):
 276         lastChild = self.GetLastChild(line, level)
 277         line = line + 1
 278         while line <= lastChild:
 279             if force:
 280                 if visLevels > 0:
 281                     self.ShowLines(line, line)
 282                 else:
 283                     self.HideLines(line, line)
 284             else:
 285                 if doExpand:
 286                     self.ShowLines(line, line)
 287
 288             if level == -1:
 289                 level = self.GetFoldLevel(line)
 290
 291             if level & wxSTC_FOLDLEVELHEADERFLAG:
 292                 if force:
 293                     if visLevels > 1:
 294                         self.SetFoldExpanded(line, True)
 295                     else:
 296                         self.SetFoldExpanded(line, False)
 297                     line = self.Expand(line, doExpand, force, visLevels-1)
 298
 299                 else:
 300                     if doExpand and self.GetFoldExpanded(line):
 301                         line = self.Expand(line, True, force, visLevels-1)
 302                     else:
 303                         line = self.Expand(line, False, force, visLevels-1)
 304             else:
 305                 line = line + 1;
 306
 307         return line
 308
 309
 310 #----------------------------------------------------------------------
 311
 312 _USE_PANEL = 1
 313
 314 def runTest(frame, nb, log):
 315     if not _USE_PANEL:
 316         ed = p = PythonSTC(nb, -1)
 317     else:
 318         p = wxPanel(nb, -1, style = wxNO_FULL_REPAINT_ON_RESIZE)
 319         ed = PythonSTC(p, -1)
 320         s = wxBoxSizer(wxHORIZONTAL)
 321         s.Add(ed, 1, wxEXPAND)
 322         p.SetSizer(s)
 323         p.SetAutoLayout(True)
 324
 325
 326     ed.SetText(demoText + open('Main.py').read())
 327     ed.EmptyUndoBuffer()
 328     ed.Colourise(0, -1)
 329
 330     # line numbers in the margin
 331     ed.SetMarginType(1, wxSTC_MARGIN_NUMBER)
 332     ed.SetMarginWidth(1, 25)
 333
 334     return p
 335
 336
 337
 338 #----------------------------------------------------------------------
 339
 340
 341 overview = """\
 342 <html><body>
 343 Once again, no docs yet.  <b>Sorry.</b>  But <a href="data/stc.h.html">this</a>
 344 and <a href="http://www.scintilla.org/ScintillaDoc.html">this</a> should
 345 be helpful.
 346 </body><html>
 347 """
 348
 349
 350 if __name__ == '__main__':
 351     import sys,os
 352     import run
 353     run.main(['', os.path.basename(sys.argv[0])])
 354
 355
 356
 357
 358
 359 #----------------------------------------------------------------------
 360 #----------------------------------------------------------------------
 361