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, style=0):
  46         stc.StyledTextCtrl.__init__(self, parent, ID,
  47                                   style = style|wx.NO_FULL_REPAINT_ON_RESIZE)
  48
  49         self.CmdKeyAssign(ord('B'), stc.STC_SCMOD_CTRL, stc.STC_CMD_ZOOMIN)
  50         self.CmdKeyAssign(ord('N'), stc.STC_SCMOD_CTRL, stc.STC_CMD_ZOOMOUT)
  51
  52         self.SetLexer(stc.STC_LEX_PYTHON)
  53         self.SetKeyWords(0, " ".join(keyword.kwlist))
  54
  55         self.SetProperty("fold", "1")
  56         self.SetProperty("tab.timmy.whinge.level", "1")
  57         self.SetMargins(0,0)
  58
  59         self.SetViewWhiteSpace(False)
  60         #self.SetBufferedDraw(False)
  61         #self.SetViewEOL(True)
  62         #self.SetEOLMode(stc.STC_EOL_CRLF)
  63         #self.SetUseAntiAliasing(True)
  64
  65         self.SetEdgeMode(stc.STC_EDGE_BACKGROUND)
  66         self.SetEdgeColumn(78)
  67
  68         # Setup a margin to hold fold markers
  69         #self.SetFoldFlags(16)  ###  WHAT IS THIS VALUE?  WHAT ARE THE OTHER FLAGS?  DOES IT MATTER?
  70         self.SetMarginType(2, stc.STC_MARGIN_SYMBOL)
  71         self.SetMarginMask(2, stc.STC_MASK_FOLDERS)
  72         self.SetMarginSensitive(2, True)
  73         self.SetMarginWidth(2, 12)
  74
  75         if self.fold_symbols == 0:
  76             # Arrow pointing right for contracted folders, arrow pointing down for expanded
  77             self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPEN,    stc.STC_MARK_ARROWDOWN, "black", "black");
  78             self.MarkerDefine(stc.STC_MARKNUM_FOLDER,        stc.STC_MARK_ARROW, "black", "black");
  79             self.MarkerDefine(stc.STC_MARKNUM_FOLDERSUB,     stc.STC_MARK_EMPTY, "black", "black");
  80             self.MarkerDefine(stc.STC_MARKNUM_FOLDERTAIL,    stc.STC_MARK_EMPTY, "black", "black");
  81             self.MarkerDefine(stc.STC_MARKNUM_FOLDEREND,     stc.STC_MARK_EMPTY,     "white", "black");
  82             self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPENMID, stc.STC_MARK_EMPTY,     "white", "black");
  83             self.MarkerDefine(stc.STC_MARKNUM_FOLDERMIDTAIL, stc.STC_MARK_EMPTY,     "white", "black");
  84
  85         elif self.fold_symbols == 1:
  86             # Plus for contracted folders, minus for expanded
  87             self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPEN,    stc.STC_MARK_MINUS, "white", "black");
  88             self.MarkerDefine(stc.STC_MARKNUM_FOLDER,        stc.STC_MARK_PLUS,  "white", "black");
  89             self.MarkerDefine(stc.STC_MARKNUM_FOLDERSUB,     stc.STC_MARK_EMPTY, "white", "black");
  90             self.MarkerDefine(stc.STC_MARKNUM_FOLDERTAIL,    stc.STC_MARK_EMPTY, "white", "black");
  91             self.MarkerDefine(stc.STC_MARKNUM_FOLDEREND,     stc.STC_MARK_EMPTY, "white", "black");
  92             self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPENMID, stc.STC_MARK_EMPTY, "white", "black");
  93             self.MarkerDefine(stc.STC_MARKNUM_FOLDERMIDTAIL, stc.STC_MARK_EMPTY, "white", "black");
  94
  95         elif self.fold_symbols == 2:
  96             # Like a flattened tree control using circular headers and curved joins
  97             self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPEN,    stc.STC_MARK_CIRCLEMINUS,          "white", "#404040");
  98             self.MarkerDefine(stc.STC_MARKNUM_FOLDER,        stc.STC_MARK_CIRCLEPLUS,           "white", "#404040");
  99             self.MarkerDefine(stc.STC_MARKNUM_FOLDERSUB,     stc.STC_MARK_VLINE,                "white", "#404040");
 100             self.MarkerDefine(stc.STC_MARKNUM_FOLDERTAIL,    stc.STC_MARK_LCORNERCURVE,         "white", "#404040");
 101             self.MarkerDefine(stc.STC_MARKNUM_FOLDEREND,     stc.STC_MARK_CIRCLEPLUSCONNECTED,  "white", "#404040");
 102             self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPENMID, stc.STC_MARK_CIRCLEMINUSCONNECTED, "white", "#404040");
 103             self.MarkerDefine(stc.STC_MARKNUM_FOLDERMIDTAIL, stc.STC_MARK_TCORNERCURVE,         "white", "#404040");
 104
 105         elif self.fold_symbols == 3:
 106             # Like a flattened tree control using square headers
 107             self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPEN,    stc.STC_MARK_BOXMINUS,          "white", "#808080")
 108             self.MarkerDefine(stc.STC_MARKNUM_FOLDER,        stc.STC_MARK_BOXPLUS,           "white", "#808080")
 109             self.MarkerDefine(stc.STC_MARKNUM_FOLDERSUB,     stc.STC_MARK_VLINE,             "white", "#808080")
 110             self.MarkerDefine(stc.STC_MARKNUM_FOLDERTAIL,    stc.STC_MARK_LCORNER,           "white", "#808080")
 111             self.MarkerDefine(stc.STC_MARKNUM_FOLDEREND,     stc.STC_MARK_BOXPLUSCONNECTED,  "white", "#808080")
 112             self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPENMID, stc.STC_MARK_BOXMINUSCONNECTED, "white", "#808080")
 113             self.MarkerDefine(stc.STC_MARKNUM_FOLDERMIDTAIL, stc.STC_MARK_TCORNER,           "white", "#808080")
 114
 115
 116         self.Bind(stc.EVT_STC_UPDATEUI, self.OnUpdateUI)
 117         self.Bind(stc.EVT_STC_MARGINCLICK, self.OnMarginClick)
 118         self.Bind(wx.EVT_KEY_DOWN, self.OnKeyPressed)
 119
 120         # Make some styles,  The lexer defines what each style is used for, we
 121         # just have to define what each style looks like.  This set is adapted from
 122         # Scintilla sample property files.
 123
 124         # Global default styles for all languages
 125         self.StyleSetSpec(stc.STC_STYLE_DEFAULT,     "face:%(helv)s,size:%(size)d" % faces)
 126         self.StyleClearAll()  # Reset all to be like the default
 127
 128         # Global default styles for all languages
 129         self.StyleSetSpec(stc.STC_STYLE_DEFAULT,     "face:%(helv)s,size:%(size)d" % faces)
 130         self.StyleSetSpec(stc.STC_STYLE_LINENUMBER,  "back:#C0C0C0,face:%(helv)s,size:%(size2)d" % faces)
 131         self.StyleSetSpec(stc.STC_STYLE_CONTROLCHAR, "face:%(other)s" % faces)
 132         self.StyleSetSpec(stc.STC_STYLE_BRACELIGHT,  "fore:#FFFFFF,back:#0000FF,bold")
 133         self.StyleSetSpec(stc.STC_STYLE_BRACEBAD,    "fore:#000000,back:#FF0000,bold")
 134
 135         # Python styles
 136         # Default
 137         self.StyleSetSpec(stc.STC_P_DEFAULT, "fore:#000000,face:%(helv)s,size:%(size)d" % faces)
 138         # Comments
 139         self.StyleSetSpec(stc.STC_P_COMMENTLINE, "fore:#007F00,face:%(other)s,size:%(size)d" % faces)
 140         # Number
 141         self.StyleSetSpec(stc.STC_P_NUMBER, "fore:#007F7F,size:%(size)d" % faces)
 142         # String
 143         self.StyleSetSpec(stc.STC_P_STRING, "fore:#7F007F,face:%(helv)s,size:%(size)d" % faces)
 144         # Single quoted string
 145         self.StyleSetSpec(stc.STC_P_CHARACTER, "fore:#7F007F,face:%(helv)s,size:%(size)d" % faces)
 146         # Keyword
 147         self.StyleSetSpec(stc.STC_P_WORD, "fore:#00007F,bold,size:%(size)d" % faces)
 148         # Triple quotes
 149         self.StyleSetSpec(stc.STC_P_TRIPLE, "fore:#7F0000,size:%(size)d" % faces)
 150         # Triple double quotes
 151         self.StyleSetSpec(stc.STC_P_TRIPLEDOUBLE, "fore:#7F0000,size:%(size)d" % faces)
 152         # Class name definition
 153         self.StyleSetSpec(stc.STC_P_CLASSNAME, "fore:#0000FF,bold,underline,size:%(size)d" % faces)
 154         # Function or method name definition
 155         self.StyleSetSpec(stc.STC_P_DEFNAME, "fore:#007F7F,bold,size:%(size)d" % faces)
 156         # Operators
 157         self.StyleSetSpec(stc.STC_P_OPERATOR, "bold,size:%(size)d" % faces)
 158         # Identifiers
 159         self.StyleSetSpec(stc.STC_P_IDENTIFIER, "fore:#000000,face:%(helv)s,size:%(size)d" % faces)
 160         # Comment-blocks
 161         self.StyleSetSpec(stc.STC_P_COMMENTBLOCK, "fore:#7F7F7F,size:%(size)d" % faces)
 162         # End of line where string is not closed
 163         self.StyleSetSpec(stc.STC_P_STRINGEOL, "fore:#000000,face:%(mono)s,back:#E0C0E0,eol,size:%(size)d" % faces)
 164
 165         self.SetCaretForeground("BLUE")
 166
 167
 168         # register some images for use in the AutoComplete box.
 169         self.RegisterImage(1, images.getSmilesBitmap())
 170         self.RegisterImage(2, images.getFile1Bitmap())
 171         self.RegisterImage(3, images.getCopy2Bitmap())
 172
 173
 174     def OnKeyPressed(self, event):
 175         if self.CallTipActive():
 176             self.CallTipCancel()
 177         key = event.KeyCode()
 178
 179         if key == 32 and event.ControlDown():
 180             pos = self.GetCurrentPos()
 181
 182             # Tips
 183             if event.ShiftDown():
 184                 self.CallTipSetBackground("yellow")
 185                 self.CallTipShow(pos, 'lots of of text: blah, blah, blah\n\n'
 186                                  'show some suff, maybe parameters..\n\n'
 187                                  'fubar(param1, param2)')
 188             # Code completion
 189             else:
 190                 #lst = []
 191                 #for x in range(50000):
 192                 #    lst.append('%05d' % x)
 193                 #st = " ".join(lst)
 194                 #print len(st)
 195                 #self.AutoCompShow(0, st)
 196
 197                 kw = keyword.kwlist[:]
 198                 kw.append("zzzzzz?2")
 199                 kw.append("aaaaa?2")
 200                 kw.append("__init__?3")
 201                 kw.append("zzaaaaa?2")
 202                 kw.append("zzbaaaa?2")
 203                 kw.append("this_is_a_longer_value")
 204                 #kw.append("this_is_a_much_much_much_much_much_much_much_longer_value")
 205
 206                 kw.sort()  # Python sorts are case sensitive
 207                 self.AutoCompSetIgnoreCase(False)  # so this needs to match
 208
 209                 # Images are specified with a appended "?type"
 210                 for i in range(len(kw)):
 211                     if kw[i] in keyword.kwlist:
 212                         kw[i] = kw[i] + "?1"
 213
 214                 self.AutoCompShow(0, " ".join(kw))
 215         else:
 216             event.Skip()
 217
 218
 219     def OnUpdateUI(self, evt):
 220         # check for matching braces
 221         braceAtCaret = -1
 222         braceOpposite = -1
 223         charBefore = None
 224         caretPos = self.GetCurrentPos()
 225
 226         if caretPos > 0:
 227             charBefore = self.GetCharAt(caretPos - 1)
 228             styleBefore = self.GetStyleAt(caretPos - 1)
 229
 230         # check before
 231         if charBefore and chr(charBefore) in "[]{}()" and styleBefore == stc.STC_P_OPERATOR:
 232             braceAtCaret = caretPos - 1
 233
 234         # check after
 235         if braceAtCaret < 0:
 236             charAfter = self.GetCharAt(caretPos)
 237             styleAfter = self.GetStyleAt(caretPos)
 238
 239             if charAfter and chr(charAfter) in "[]{}()" and styleAfter == stc.STC_P_OPERATOR:
 240                 braceAtCaret = caretPos
 241
 242         if braceAtCaret >= 0:
 243             braceOpposite = self.BraceMatch(braceAtCaret)
 244
 245         if braceAtCaret != -1  and braceOpposite == -1:
 246             self.BraceBadLight(braceAtCaret)
 247         else:
 248             self.BraceHighlight(braceAtCaret, braceOpposite)
 249             #pt = self.PointFromPosition(braceOpposite)
 250             #self.Refresh(True, wxRect(pt.x, pt.y, 5,5))
 251             #print pt
 252             #self.Refresh(False)
 253
 254
 255     def OnMarginClick(self, evt):
 256         # fold and unfold as needed
 257         if evt.GetMargin() == 2:
 258             if evt.GetShift() and evt.GetControl():
 259                 self.FoldAll()
 260             else:
 261                 lineClicked = self.LineFromPosition(evt.GetPosition())
 262
 263                 if self.GetFoldLevel(lineClicked) & stc.STC_FOLDLEVELHEADERFLAG:
 264                     if evt.GetShift():
 265                         self.SetFoldExpanded(lineClicked, True)
 266                         self.Expand(lineClicked, True, True, 1)
 267                     elif evt.GetControl():
 268                         if self.GetFoldExpanded(lineClicked):
 269                             self.SetFoldExpanded(lineClicked, False)
 270                             self.Expand(lineClicked, False, True, 0)
 271                         else:
 272                             self.SetFoldExpanded(lineClicked, True)
 273                             self.Expand(lineClicked, True, True, 100)
 274                     else:
 275                         self.ToggleFold(lineClicked)
 276
 277
 278     def FoldAll(self):
 279         lineCount = self.GetLineCount()
 280         expanding = True
 281
 282         # find out if we are folding or unfolding
 283         for lineNum in range(lineCount):
 284             if self.GetFoldLevel(lineNum) & stc.STC_FOLDLEVELHEADERFLAG:
 285                 expanding = not self.GetFoldExpanded(lineNum)
 286                 break;
 287
 288         lineNum = 0
 289
 290         while lineNum < lineCount:
 291             level = self.GetFoldLevel(lineNum)
 292             if level & stc.STC_FOLDLEVELHEADERFLAG and \
 293                (level & stc.STC_FOLDLEVELNUMBERMASK) == stc.STC_FOLDLEVELBASE:
 294
 295                 if expanding:
 296                     self.SetFoldExpanded(lineNum, True)
 297                     lineNum = self.Expand(lineNum, True)
 298                     lineNum = lineNum - 1
 299                 else:
 300                     lastChild = self.GetLastChild(lineNum, -1)
 301                     self.SetFoldExpanded(lineNum, False)
 302
 303                     if lastChild > lineNum:
 304                         self.HideLines(lineNum+1, lastChild)
 305
 306             lineNum = lineNum + 1
 307
 308
 309
 310     def Expand(self, line, doExpand, force=False, visLevels=0, level=-1):
 311         lastChild = self.GetLastChild(line, level)
 312         line = line + 1
 313
 314         while line <= lastChild:
 315             if force:
 316                 if visLevels > 0:
 317                     self.ShowLines(line, line)
 318                 else:
 319                     self.HideLines(line, line)
 320             else:
 321                 if doExpand:
 322                     self.ShowLines(line, line)
 323
 324             if level == -1:
 325                 level = self.GetFoldLevel(line)
 326
 327             if level & stc.STC_FOLDLEVELHEADERFLAG:
 328                 if force:
 329                     if visLevels > 1:
 330                         self.SetFoldExpanded(line, True)
 331                     else:
 332                         self.SetFoldExpanded(line, False)
 333
 334                     line = self.Expand(line, doExpand, force, visLevels-1)
 335
 336                 else:
 337                     if doExpand and self.GetFoldExpanded(line):
 338                         line = self.Expand(line, True, force, visLevels-1)
 339                     else:
 340                         line = self.Expand(line, False, force, visLevels-1)
 341             else:
 342                 line = line + 1;
 343
 344         return line
 345
 346
 347 #----------------------------------------------------------------------
 348
 349 _USE_PANEL = 1
 350
 351 def runTest(frame, nb, log):
 352     if not _USE_PANEL:
 353         ed = p = PythonSTC(nb, -1)
 354     else:
 355         p = wx.Panel(nb, -1, style = wx.NO_FULL_REPAINT_ON_RESIZE)
 356         ed = PythonSTC(p, -1)
 357         s = wx.BoxSizer(wx.HORIZONTAL)
 358         s.Add(ed, 1, wx.EXPAND)
 359         p.SetSizer(s)
 360         p.SetAutoLayout(True)
 361
 362
 363     ed.SetText(demoText + open('Main.py').read())
 364     ed.EmptyUndoBuffer()
 365     ed.Colourise(0, -1)
 366
 367     # line numbers in the margin
 368     ed.SetMarginType(1, stc.STC_MARGIN_NUMBER)
 369     ed.SetMarginWidth(1, 25)
 370
 371     return p
 372
 373
 374
 375 #----------------------------------------------------------------------
 376
 377
 378 overview = """\
 379 <html><body>
 380 Once again, no docs yet.  <b>Sorry.</b>  But <a href="data/stc.h.html">this</a>
 381 and <a href="http://www.scintilla.org/ScintillaDoc.html">this</a> should
 382 be helpful.
 383 </body><html>
 384 """
 385
 386
 387 if __name__ == '__main__':
 388     import sys,os
 389     import run
 390     run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
 391
 392
 393
 394
 395
 396 #----------------------------------------------------------------------
 397 #----------------------------------------------------------------------
 398