wxPython/demo/StyledTextCtrl_2.py

   1
   2 import  keyword
   3
   4 import  wx
   5 import  wx.stc  as  stc
   6
   7 import  images
   8
   9 #----------------------------------------------------------------------
  10
  11 demoText = """\
  12 ## This version of the editor has been set up to edit Python source
  13 ## code.  Here is a copy of wxPython/demo/Main.py to play with.
  14
  15
  16 """
  17
  18 #----------------------------------------------------------------------
  19
  20
  21 if wx.Platform == '__WXMSW__':
  22     faces = { 'times': 'Times New Roman',
  23               'mono' : 'Courier New',
  24               'helv' : 'Arial',
  25               'other': 'Comic Sans MS',
  26               'size' : 10,
  27               'size2': 8,
  28              }
  29 else:
  30     faces = { 'times': 'Times',
  31               'mono' : 'Courier',
  32               'helv' : 'Helvetica',
  33               'other': 'new century schoolbook',
  34               'size' : 12,
  35               'size2': 10,
  36              }
  37
  38
  39 #----------------------------------------------------------------------
  40
  41 class PythonSTC(stc.StyledTextCtrl):
  42
  43     fold_symbols = 2
  44
  45     def __init__(self, parent, ID,
  46                  pos=wx.DefaultPosition, size=wx.DefaultSize,
  47                  style=0):
  48         stc.StyledTextCtrl.__init__(self, parent, ID, pos, size, style)
  49
  50         self.CmdKeyAssign(ord('B'), stc.STC_SCMOD_CTRL, stc.STC_CMD_ZOOMIN)
  51         self.CmdKeyAssign(ord('N'), stc.STC_SCMOD_CTRL, stc.STC_CMD_ZOOMOUT)
  52
  53         self.SetLexer(stc.STC_LEX_PYTHON)
  54         self.SetKeyWords(0, " ".join(keyword.kwlist))
  55
  56         self.SetProperty("fold", "1")
  57         self.SetProperty("tab.timmy.whinge.level", "1")
  58         self.SetMargins(0,0)
  59
  60         self.SetViewWhiteSpace(False)
  61         #self.SetBufferedDraw(False)
  62         #self.SetViewEOL(True)
  63         #self.SetEOLMode(stc.STC_EOL_CRLF)
  64         #self.SetUseAntiAliasing(True)
  65
  66         self.SetEdgeMode(stc.STC_EDGE_BACKGROUND)
  67         self.SetEdgeColumn(78)
  68
  69         # Setup a margin to hold fold markers
  70         #self.SetFoldFlags(16)  ###  WHAT IS THIS VALUE?  WHAT ARE THE OTHER FLAGS?  DOES IT MATTER?
  71         self.SetMarginType(2, stc.STC_MARGIN_SYMBOL)
  72         self.SetMarginMask(2, stc.STC_MASK_FOLDERS)
  73         self.SetMarginSensitive(2, True)
  74         self.SetMarginWidth(2, 12)
  75
  76         if self.fold_symbols == 0:
  77             # Arrow pointing right for contracted folders, arrow pointing down for expanded
  78             self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPEN,    stc.STC_MARK_ARROWDOWN, "black", "black");
  79             self.MarkerDefine(stc.STC_MARKNUM_FOLDER,        stc.STC_MARK_ARROW, "black", "black");
  80             self.MarkerDefine(stc.STC_MARKNUM_FOLDERSUB,     stc.STC_MARK_EMPTY, "black", "black");
  81             self.MarkerDefine(stc.STC_MARKNUM_FOLDERTAIL,    stc.STC_MARK_EMPTY, "black", "black");
  82             self.MarkerDefine(stc.STC_MARKNUM_FOLDEREND,     stc.STC_MARK_EMPTY,     "white", "black");
  83             self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPENMID, stc.STC_MARK_EMPTY,     "white", "black");
  84             self.MarkerDefine(stc.STC_MARKNUM_FOLDERMIDTAIL, stc.STC_MARK_EMPTY,     "white", "black");
  85
  86         elif self.fold_symbols == 1:
  87             # Plus for contracted folders, minus for expanded
  88             self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPEN,    stc.STC_MARK_MINUS, "white", "black");
  89             self.MarkerDefine(stc.STC_MARKNUM_FOLDER,        stc.STC_MARK_PLUS,  "white", "black");
  90             self.MarkerDefine(stc.STC_MARKNUM_FOLDERSUB,     stc.STC_MARK_EMPTY, "white", "black");
  91             self.MarkerDefine(stc.STC_MARKNUM_FOLDERTAIL,    stc.STC_MARK_EMPTY, "white", "black");
  92             self.MarkerDefine(stc.STC_MARKNUM_FOLDEREND,     stc.STC_MARK_EMPTY, "white", "black");
  93             self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPENMID, stc.STC_MARK_EMPTY, "white", "black");
  94             self.MarkerDefine(stc.STC_MARKNUM_FOLDERMIDTAIL, stc.STC_MARK_EMPTY, "white", "black");
  95
  96         elif self.fold_symbols == 2:
  97             # Like a flattened tree control using circular headers and curved joins
  98             self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPEN,    stc.STC_MARK_CIRCLEMINUS,          "white", "#404040");
  99             self.MarkerDefine(stc.STC_MARKNUM_FOLDER,        stc.STC_MARK_CIRCLEPLUS,           "white", "#404040");
 100             self.MarkerDefine(stc.STC_MARKNUM_FOLDERSUB,     stc.STC_MARK_VLINE,                "white", "#404040");
 101             self.MarkerDefine(stc.STC_MARKNUM_FOLDERTAIL,    stc.STC_MARK_LCORNERCURVE,         "white", "#404040");
 102             self.MarkerDefine(stc.STC_MARKNUM_FOLDEREND,     stc.STC_MARK_CIRCLEPLUSCONNECTED,  "white", "#404040");
 103             self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPENMID, stc.STC_MARK_CIRCLEMINUSCONNECTED, "white", "#404040");
 104             self.MarkerDefine(stc.STC_MARKNUM_FOLDERMIDTAIL, stc.STC_MARK_TCORNERCURVE,         "white", "#404040");
 105
 106         elif self.fold_symbols == 3:
 107             # Like a flattened tree control using square headers
 108             self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPEN,    stc.STC_MARK_BOXMINUS,          "white", "#808080")
 109             self.MarkerDefine(stc.STC_MARKNUM_FOLDER,        stc.STC_MARK_BOXPLUS,           "white", "#808080")
 110             self.MarkerDefine(stc.STC_MARKNUM_FOLDERSUB,     stc.STC_MARK_VLINE,             "white", "#808080")
 111             self.MarkerDefine(stc.STC_MARKNUM_FOLDERTAIL,    stc.STC_MARK_LCORNER,           "white", "#808080")
 112             self.MarkerDefine(stc.STC_MARKNUM_FOLDEREND,     stc.STC_MARK_BOXPLUSCONNECTED,  "white", "#808080")
 113             self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPENMID, stc.STC_MARK_BOXMINUSCONNECTED, "white", "#808080")
 114             self.MarkerDefine(stc.STC_MARKNUM_FOLDERMIDTAIL, stc.STC_MARK_TCORNER,           "white", "#808080")
 115
 116
 117         self.Bind(stc.EVT_STC_UPDATEUI, self.OnUpdateUI)
 118         self.Bind(stc.EVT_STC_MARGINCLICK, self.OnMarginClick)
 119         self.Bind(wx.EVT_KEY_DOWN, self.OnKeyPressed)
 120
 121         # Make some styles,  The lexer defines what each style is used for, we
 122         # just have to define what each style looks like.  This set is adapted from
 123         # Scintilla sample property files.
 124
 125         # Global default styles for all languages
 126         self.StyleSetSpec(stc.STC_STYLE_DEFAULT,     "face:%(helv)s,size:%(size)d" % faces)
 127         self.StyleClearAll()  # Reset all to be like the default
 128
 129         # Global default styles for all languages
 130         self.StyleSetSpec(stc.STC_STYLE_DEFAULT,     "face:%(helv)s,size:%(size)d" % faces)
 131         self.StyleSetSpec(stc.STC_STYLE_LINENUMBER,  "back:#C0C0C0,face:%(helv)s,size:%(size2)d" % faces)
 132         self.StyleSetSpec(stc.STC_STYLE_CONTROLCHAR, "face:%(other)s" % faces)
 133         self.StyleSetSpec(stc.STC_STYLE_BRACELIGHT,  "fore:#FFFFFF,back:#0000FF,bold")
 134         self.StyleSetSpec(stc.STC_STYLE_BRACEBAD,    "fore:#000000,back:#FF0000,bold")
 135
 136         # Python styles
 137         # Default
 138         self.StyleSetSpec(stc.STC_P_DEFAULT, "fore:#000000,face:%(helv)s,size:%(size)d" % faces)
 139         # Comments
 140         self.StyleSetSpec(stc.STC_P_COMMENTLINE, "fore:#007F00,face:%(other)s,size:%(size)d" % faces)
 141         # Number
 142         self.StyleSetSpec(stc.STC_P_NUMBER, "fore:#007F7F,size:%(size)d" % faces)
 143         # String
 144         self.StyleSetSpec(stc.STC_P_STRING, "fore:#7F007F,face:%(helv)s,size:%(size)d" % faces)
 145         # Single quoted string
 146         self.StyleSetSpec(stc.STC_P_CHARACTER, "fore:#7F007F,face:%(helv)s,size:%(size)d" % faces)
 147         # Keyword
 148         self.StyleSetSpec(stc.STC_P_WORD, "fore:#00007F,bold,size:%(size)d" % faces)
 149         # Triple quotes
 150         self.StyleSetSpec(stc.STC_P_TRIPLE, "fore:#7F0000,size:%(size)d" % faces)
 151         # Triple double quotes
 152         self.StyleSetSpec(stc.STC_P_TRIPLEDOUBLE, "fore:#7F0000,size:%(size)d" % faces)
 153         # Class name definition
 154         self.StyleSetSpec(stc.STC_P_CLASSNAME, "fore:#0000FF,bold,underline,size:%(size)d" % faces)
 155         # Function or method name definition
 156         self.StyleSetSpec(stc.STC_P_DEFNAME, "fore:#007F7F,bold,size:%(size)d" % faces)
 157         # Operators
 158         self.StyleSetSpec(stc.STC_P_OPERATOR, "bold,size:%(size)d" % faces)
 159         # Identifiers
 160         self.StyleSetSpec(stc.STC_P_IDENTIFIER, "fore:#000000,face:%(helv)s,size:%(size)d" % faces)
 161         # Comment-blocks
 162         self.StyleSetSpec(stc.STC_P_COMMENTBLOCK, "fore:#7F7F7F,size:%(size)d" % faces)
 163         # End of line where string is not closed
 164         self.StyleSetSpec(stc.STC_P_STRINGEOL, "fore:#000000,face:%(mono)s,back:#E0C0E0,eol,size:%(size)d" % faces)
 165
 166         self.SetCaretForeground("BLUE")
 167
 168
 169         # register some images for use in the AutoComplete box.
 170         self.RegisterImage(1, images.getSmilesBitmap())
 171         self.RegisterImage(2, self._fix_image(
 172             wx.ArtProvider.GetBitmap(wx.ART_NORMAL_FILE, wx.ART_TOOLBAR, (16,16))))
 173         self.RegisterImage(3, self._fix_image(
 174             wx.ArtProvider.GetBitmap(wx.ART_COPY, wx.ART_TOOLBAR, (16,16))))
 175
 176     def _fix_image(self, bmp):
 177         img = bmp.ConvertToImage()
 178         if img.HasAlpha():
 179             img.ConvertAlphaToMask()
 180             bmp = wx.BitmapFromImage(img)
 181         return bmp
 182
 183     def OnKeyPressed(self, event):
 184         if self.CallTipActive():
 185             self.CallTipCancel()
 186         key = event.KeyCode()
 187
 188         if key == 32 and event.ControlDown():
 189             pos = self.GetCurrentPos()
 190
 191             # Tips
 192             if event.ShiftDown():
 193                 self.CallTipSetBackground("yellow")
 194                 self.CallTipShow(pos, 'lots of of text: blah, blah, blah\n\n'
 195                                  'show some suff, maybe parameters..\n\n'
 196                                  'fubar(param1, param2)')
 197             # Code completion
 198             else:
 199                 #lst = []
 200                 #for x in range(50000):
 201                 #    lst.append('%05d' % x)
 202                 #st = " ".join(lst)
 203                 #print len(st)
 204                 #self.AutoCompShow(0, st)
 205
 206                 kw = keyword.kwlist[:]
 207                 kw.append("zzzzzz?2")
 208                 kw.append("aaaaa?2")
 209                 kw.append("__init__?3")
 210                 kw.append("zzaaaaa?2")
 211                 kw.append("zzbaaaa?2")
 212                 kw.append("this_is_a_longer_value")
 213                 #kw.append("this_is_a_much_much_much_much_much_much_much_longer_value")
 214
 215                 kw.sort()  # Python sorts are case sensitive
 216                 self.AutoCompSetIgnoreCase(False)  # so this needs to match
 217
 218                 # Images are specified with a appended "?type"
 219                 for i in range(len(kw)):
 220                     if kw[i] in keyword.kwlist:
 221                         kw[i] = kw[i] + "?1"
 222
 223                 self.AutoCompShow(0, " ".join(kw))
 224         else:
 225             event.Skip()
 226
 227
 228     def OnUpdateUI(self, evt):
 229         # check for matching braces
 230         braceAtCaret = -1
 231         braceOpposite = -1
 232         charBefore = None
 233         caretPos = self.GetCurrentPos()
 234
 235         if caretPos > 0:
 236             charBefore = self.GetCharAt(caretPos - 1)
 237             styleBefore = self.GetStyleAt(caretPos - 1)
 238
 239         # check before
 240         if charBefore and chr(charBefore) in "[]{}()" and styleBefore == stc.STC_P_OPERATOR:
 241             braceAtCaret = caretPos - 1
 242
 243         # check after
 244         if braceAtCaret < 0:
 245             charAfter = self.GetCharAt(caretPos)
 246             styleAfter = self.GetStyleAt(caretPos)
 247
 248             if charAfter and chr(charAfter) in "[]{}()" and styleAfter == stc.STC_P_OPERATOR:
 249                 braceAtCaret = caretPos
 250
 251         if braceAtCaret >= 0:
 252             braceOpposite = self.BraceMatch(braceAtCaret)
 253
 254         if braceAtCaret != -1  and braceOpposite == -1:
 255             self.BraceBadLight(braceAtCaret)
 256         else:
 257             self.BraceHighlight(braceAtCaret, braceOpposite)
 258             #pt = self.PointFromPosition(braceOpposite)
 259             #self.Refresh(True, wxRect(pt.x, pt.y, 5,5))
 260             #print pt
 261             #self.Refresh(False)
 262
 263
 264     def OnMarginClick(self, evt):
 265         # fold and unfold as needed
 266         if evt.GetMargin() == 2:
 267             if evt.GetShift() and evt.GetControl():
 268                 self.FoldAll()
 269             else:
 270                 lineClicked = self.LineFromPosition(evt.GetPosition())
 271
 272                 if self.GetFoldLevel(lineClicked) & stc.STC_FOLDLEVELHEADERFLAG:
 273                     if evt.GetShift():
 274                         self.SetFoldExpanded(lineClicked, True)
 275                         self.Expand(lineClicked, True, True, 1)
 276                     elif evt.GetControl():
 277                         if self.GetFoldExpanded(lineClicked):
 278                             self.SetFoldExpanded(lineClicked, False)
 279                             self.Expand(lineClicked, False, True, 0)
 280                         else:
 281                             self.SetFoldExpanded(lineClicked, True)
 282                             self.Expand(lineClicked, True, True, 100)
 283                     else:
 284                         self.ToggleFold(lineClicked)
 285
 286
 287     def FoldAll(self):
 288         lineCount = self.GetLineCount()
 289         expanding = True
 290
 291         # find out if we are folding or unfolding
 292         for lineNum in range(lineCount):
 293             if self.GetFoldLevel(lineNum) & stc.STC_FOLDLEVELHEADERFLAG:
 294                 expanding = not self.GetFoldExpanded(lineNum)
 295                 break;
 296
 297         lineNum = 0
 298
 299         while lineNum < lineCount:
 300             level = self.GetFoldLevel(lineNum)
 301             if level & stc.STC_FOLDLEVELHEADERFLAG and \
 302                (level & stc.STC_FOLDLEVELNUMBERMASK) == stc.STC_FOLDLEVELBASE:
 303
 304                 if expanding:
 305                     self.SetFoldExpanded(lineNum, True)
 306                     lineNum = self.Expand(lineNum, True)
 307                     lineNum = lineNum - 1
 308                 else:
 309                     lastChild = self.GetLastChild(lineNum, -1)
 310                     self.SetFoldExpanded(lineNum, False)
 311
 312                     if lastChild > lineNum:
 313                         self.HideLines(lineNum+1, lastChild)
 314
 315             lineNum = lineNum + 1
 316
 317
 318
 319     def Expand(self, line, doExpand, force=False, visLevels=0, level=-1):
 320         lastChild = self.GetLastChild(line, level)
 321         line = line + 1
 322
 323         while line <= lastChild:
 324             if force:
 325                 if visLevels > 0:
 326                     self.ShowLines(line, line)
 327                 else:
 328                     self.HideLines(line, line)
 329             else:
 330                 if doExpand:
 331                     self.ShowLines(line, line)
 332
 333             if level == -1:
 334                 level = self.GetFoldLevel(line)
 335
 336             if level & stc.STC_FOLDLEVELHEADERFLAG:
 337                 if force:
 338                     if visLevels > 1:
 339                         self.SetFoldExpanded(line, True)
 340                     else:
 341                         self.SetFoldExpanded(line, False)
 342
 343                     line = self.Expand(line, doExpand, force, visLevels-1)
 344
 345                 else:
 346                     if doExpand and self.GetFoldExpanded(line):
 347                         line = self.Expand(line, True, force, visLevels-1)
 348                     else:
 349                         line = self.Expand(line, False, force, visLevels-1)
 350             else:
 351                 line = line + 1;
 352
 353         return line
 354
 355
 356 #----------------------------------------------------------------------
 357
 358 _USE_PANEL = 1
 359
 360 def runTest(frame, nb, log):
 361     if not _USE_PANEL:
 362         ed = p = PythonSTC(nb, -1)
 363     else:
 364         p = wx.Panel(nb, -1, style = wx.NO_FULL_REPAINT_ON_RESIZE)
 365         ed = PythonSTC(p, -1)
 366         s = wx.BoxSizer(wx.HORIZONTAL)
 367         s.Add(ed, 1, wx.EXPAND)
 368         p.SetSizer(s)
 369         p.SetAutoLayout(True)
 370
 371
 372     ed.SetText(demoText + open('Main.py').read())
 373     ed.EmptyUndoBuffer()
 374     ed.Colourise(0, -1)
 375
 376     # line numbers in the margin
 377     ed.SetMarginType(1, stc.STC_MARGIN_NUMBER)
 378     ed.SetMarginWidth(1, 25)
 379
 380     return p
 381
 382
 383
 384 #----------------------------------------------------------------------
 385
 386
 387 overview = """\
 388 <html><body>
 389 Once again, no docs yet.  <b>Sorry.</b>  But <a href="data/stc.h.html">this</a>
 390 and <a href="http://www.scintilla.org/ScintillaDoc.html">this</a> should
 391 be helpful.
 392 </body><html>
 393 """
 394
 395
 396 if __name__ == '__main__':
 397     import sys,os
 398     import run
 399     run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
 400
 401
 402
 403
 404
 405 #----------------------------------------------------------------------
 406 #----------------------------------------------------------------------
 407