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, images.getFile1Bitmap())
 172         self.RegisterImage(3, images.getCopy2Bitmap())
 173
 174
 175     def OnKeyPressed(self, event):
 176         if self.CallTipActive():
 177             self.CallTipCancel()
 178         key = event.KeyCode()
 179
 180         if key == 32 and event.ControlDown():
 181             pos = self.GetCurrentPos()
 182
 183             # Tips
 184             if event.ShiftDown():
 185                 self.CallTipSetBackground("yellow")
 186                 self.CallTipShow(pos, 'lots of of text: blah, blah, blah\n\n'
 187                                  'show some suff, maybe parameters..\n\n'
 188                                  'fubar(param1, param2)')
 189             # Code completion
 190             else:
 191                 #lst = []
 192                 #for x in range(50000):
 193                 #    lst.append('%05d' % x)
 194                 #st = " ".join(lst)
 195                 #print len(st)
 196                 #self.AutoCompShow(0, st)
 197
 198                 kw = keyword.kwlist[:]
 199                 kw.append("zzzzzz?2")
 200                 kw.append("aaaaa?2")
 201                 kw.append("__init__?3")
 202                 kw.append("zzaaaaa?2")
 203                 kw.append("zzbaaaa?2")
 204                 kw.append("this_is_a_longer_value")
 205                 #kw.append("this_is_a_much_much_much_much_much_much_much_longer_value")
 206
 207                 kw.sort()  # Python sorts are case sensitive
 208                 self.AutoCompSetIgnoreCase(False)  # so this needs to match
 209
 210                 # Images are specified with a appended "?type"
 211                 for i in range(len(kw)):
 212                     if kw[i] in keyword.kwlist:
 213                         kw[i] = kw[i] + "?1"
 214
 215                 self.AutoCompShow(0, " ".join(kw))
 216         else:
 217             event.Skip()
 218
 219
 220     def OnUpdateUI(self, evt):
 221         # check for matching braces
 222         braceAtCaret = -1
 223         braceOpposite = -1
 224         charBefore = None
 225         caretPos = self.GetCurrentPos()
 226
 227         if caretPos > 0:
 228             charBefore = self.GetCharAt(caretPos - 1)
 229             styleBefore = self.GetStyleAt(caretPos - 1)
 230
 231         # check before
 232         if charBefore and chr(charBefore) in "[]{}()" and styleBefore == stc.STC_P_OPERATOR:
 233             braceAtCaret = caretPos - 1
 234
 235         # check after
 236         if braceAtCaret < 0:
 237             charAfter = self.GetCharAt(caretPos)
 238             styleAfter = self.GetStyleAt(caretPos)
 239
 240             if charAfter and chr(charAfter) in "[]{}()" and styleAfter == stc.STC_P_OPERATOR:
 241                 braceAtCaret = caretPos
 242
 243         if braceAtCaret >= 0:
 244             braceOpposite = self.BraceMatch(braceAtCaret)
 245
 246         if braceAtCaret != -1  and braceOpposite == -1:
 247             self.BraceBadLight(braceAtCaret)
 248         else:
 249             self.BraceHighlight(braceAtCaret, braceOpposite)
 250             #pt = self.PointFromPosition(braceOpposite)
 251             #self.Refresh(True, wxRect(pt.x, pt.y, 5,5))
 252             #print pt
 253             #self.Refresh(False)
 254
 255
 256     def OnMarginClick(self, evt):
 257         # fold and unfold as needed
 258         if evt.GetMargin() == 2:
 259             if evt.GetShift() and evt.GetControl():
 260                 self.FoldAll()
 261             else:
 262                 lineClicked = self.LineFromPosition(evt.GetPosition())
 263
 264                 if self.GetFoldLevel(lineClicked) & stc.STC_FOLDLEVELHEADERFLAG:
 265                     if evt.GetShift():
 266                         self.SetFoldExpanded(lineClicked, True)
 267                         self.Expand(lineClicked, True, True, 1)
 268                     elif evt.GetControl():
 269                         if self.GetFoldExpanded(lineClicked):
 270                             self.SetFoldExpanded(lineClicked, False)
 271                             self.Expand(lineClicked, False, True, 0)
 272                         else:
 273                             self.SetFoldExpanded(lineClicked, True)
 274                             self.Expand(lineClicked, True, True, 100)
 275                     else:
 276                         self.ToggleFold(lineClicked)
 277
 278
 279     def FoldAll(self):
 280         lineCount = self.GetLineCount()
 281         expanding = True
 282
 283         # find out if we are folding or unfolding
 284         for lineNum in range(lineCount):
 285             if self.GetFoldLevel(lineNum) & stc.STC_FOLDLEVELHEADERFLAG:
 286                 expanding = not self.GetFoldExpanded(lineNum)
 287                 break;
 288
 289         lineNum = 0
 290
 291         while lineNum < lineCount:
 292             level = self.GetFoldLevel(lineNum)
 293             if level & stc.STC_FOLDLEVELHEADERFLAG and \
 294                (level & stc.STC_FOLDLEVELNUMBERMASK) == stc.STC_FOLDLEVELBASE:
 295
 296                 if expanding:
 297                     self.SetFoldExpanded(lineNum, True)
 298                     lineNum = self.Expand(lineNum, True)
 299                     lineNum = lineNum - 1
 300                 else:
 301                     lastChild = self.GetLastChild(lineNum, -1)
 302                     self.SetFoldExpanded(lineNum, False)
 303
 304                     if lastChild > lineNum:
 305                         self.HideLines(lineNum+1, lastChild)
 306
 307             lineNum = lineNum + 1
 308
 309
 310
 311     def Expand(self, line, doExpand, force=False, visLevels=0, level=-1):
 312         lastChild = self.GetLastChild(line, level)
 313         line = line + 1
 314
 315         while line <= lastChild:
 316             if force:
 317                 if visLevels > 0:
 318                     self.ShowLines(line, line)
 319                 else:
 320                     self.HideLines(line, line)
 321             else:
 322                 if doExpand:
 323                     self.ShowLines(line, line)
 324
 325             if level == -1:
 326                 level = self.GetFoldLevel(line)
 327
 328             if level & stc.STC_FOLDLEVELHEADERFLAG:
 329                 if force:
 330                     if visLevels > 1:
 331                         self.SetFoldExpanded(line, True)
 332                     else:
 333                         self.SetFoldExpanded(line, False)
 334
 335                     line = self.Expand(line, doExpand, force, visLevels-1)
 336
 337                 else:
 338                     if doExpand and self.GetFoldExpanded(line):
 339                         line = self.Expand(line, True, force, visLevels-1)
 340                     else:
 341                         line = self.Expand(line, False, force, visLevels-1)
 342             else:
 343                 line = line + 1;
 344
 345         return line
 346
 347
 348 #----------------------------------------------------------------------
 349
 350 _USE_PANEL = 1
 351
 352 def runTest(frame, nb, log):
 353     if not _USE_PANEL:
 354         ed = p = PythonSTC(nb, -1)
 355     else:
 356         p = wx.Panel(nb, -1, style = wx.NO_FULL_REPAINT_ON_RESIZE)
 357         ed = PythonSTC(p, -1)
 358         s = wx.BoxSizer(wx.HORIZONTAL)
 359         s.Add(ed, 1, wx.EXPAND)
 360         p.SetSizer(s)
 361         p.SetAutoLayout(True)
 362
 363
 364     ed.SetText(demoText + open('Main.py').read())
 365     ed.EmptyUndoBuffer()
 366     ed.Colourise(0, -1)
 367
 368     # line numbers in the margin
 369     ed.SetMarginType(1, stc.STC_MARGIN_NUMBER)
 370     ed.SetMarginWidth(1, 25)
 371
 372     return p
 373
 374
 375
 376 #----------------------------------------------------------------------
 377
 378
 379 overview = """\
 380 <html><body>
 381 Once again, no docs yet.  <b>Sorry.</b>  But <a href="data/stc.h.html">this</a>
 382 and <a href="http://www.scintilla.org/ScintillaDoc.html">this</a> should
 383 be helpful.
 384 </body><html>
 385 """
 386
 387
 388 if __name__ == '__main__':
 389     import sys,os
 390     import run
 391     run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
 392
 393
 394
 395
 396
 397 #----------------------------------------------------------------------
 398 #----------------------------------------------------------------------
 399