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