wxPython/demo/wxStyledTextCtrl_2.py

   1
   2 from wxPython.wx import *
   3 from wxPython.stc import *
   4
   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' : 13,
  33               'size2': 11,
  34              }
  35
  36
  37 #----------------------------------------------------------------------
  38
  39 class PythonSTC(wxStyledTextCtrl):
  40     def __init__(self, parent, ID):
  41         wxStyledTextCtrl.__init__(self, parent, ID)
  42
  43         self.CmdKeyAssign(ord('B'), wxSTC_SCMOD_CTRL, wxSTC_CMD_ZOOMIN)
  44         self.CmdKeyAssign(ord('N'), wxSTC_SCMOD_CTRL, wxSTC_CMD_ZOOMOUT)
  45
  46         self.SetLexer(wxSTC_LEX_PYTHON)
  47         self.SetKeyWords(0, string.join(keyword.kwlist))
  48
  49         self.SetProperty("fold", "1")
  50         self.SetProperty("tab.timmy.whinge.level", "1")
  51         self.SetMargins(0,0)
  52
  53         self.SetViewWhiteSpace(false)
  54         #self.SetBufferedDraw(false)
  55
  56         self.SetEdgeMode(wxSTC_EDGE_BACKGROUND)
  57         self.SetEdgeColumn(78)
  58
  59         # Setup a margin to hold fold markers
  60         #self.SetFoldFlags(16)  ###  WHAT IS THIS VALUE?  WHAT ARE THE OTHER FLAGS?  DOES IT MATTER?
  61         self.SetMarginType(2, wxSTC_MARGIN_SYMBOL)
  62         self.SetMarginMask(2, wxSTC_MASK_FOLDERS)
  63         self.SetMarginSensitive(2, true)
  64         self.SetMarginWidth(2, 12)
  65
  66         if 0: # simple folder marks, like the old version
  67             self.MarkerDefine(wxSTC_MARKNUM_FOLDER, wxSTC_MARK_ARROW, "navy", "navy")
  68             self.MarkerDefine(wxSTC_MARKNUM_FOLDEROPEN, wxSTC_MARK_ARROWDOWN, "navy", "navy")
  69             # Set these to an invisible mark
  70             self.MarkerDefine(wxSTC_MARKNUM_FOLDEROPENMID, wxSTC_MARK_BACKGROUND, "white", "black")
  71             self.MarkerDefine(wxSTC_MARKNUM_FOLDERMIDTAIL, wxSTC_MARK_BACKGROUND, "white", "black")
  72             self.MarkerDefine(wxSTC_MARKNUM_FOLDERSUB, wxSTC_MARK_BACKGROUND, "white", "black")
  73             self.MarkerDefine(wxSTC_MARKNUM_FOLDERTAIL, wxSTC_MARK_BACKGROUND, "white", "black")
  74
  75         else: # more involved "outlining" folder marks
  76             self.MarkerDefine(wxSTC_MARKNUM_FOLDEREND,     wxSTC_MARK_BOXPLUSCONNECTED,  "white", "black")
  77             self.MarkerDefine(wxSTC_MARKNUM_FOLDEROPENMID, wxSTC_MARK_BOXMINUSCONNECTED, "white", "black")
  78             self.MarkerDefine(wxSTC_MARKNUM_FOLDERMIDTAIL, wxSTC_MARK_TCORNER,  "white", "black")
  79             self.MarkerDefine(wxSTC_MARKNUM_FOLDERTAIL,    wxSTC_MARK_LCORNER,  "white", "black")
  80             self.MarkerDefine(wxSTC_MARKNUM_FOLDERSUB,     wxSTC_MARK_VLINE,    "white", "black")
  81             self.MarkerDefine(wxSTC_MARKNUM_FOLDER,        wxSTC_MARK_BOXPLUS,  "white", "black")
  82             self.MarkerDefine(wxSTC_MARKNUM_FOLDEROPEN,    wxSTC_MARK_BOXMINUS, "white", "black")
  83
  84
  85         EVT_STC_UPDATEUI(self,    ID, self.OnUpdateUI)
  86         EVT_STC_MARGINCLICK(self, ID, self.OnMarginClick)
  87
  88
  89         # Make some styles,  The lexer defines what each style is used for, we
  90         # just have to define what each style looks like.  This set is adapted from
  91         # Scintilla sample property files.
  92
  93         self.StyleClearAll()
  94
  95         # Global default styles for all languages
  96         self.StyleSetSpec(wxSTC_STYLE_DEFAULT,     "face:%(helv)s,size:%(size)d" % faces)
  97         self.StyleSetSpec(wxSTC_STYLE_LINENUMBER,  "back:#C0C0C0,face:%(helv)s,size:%(size2)d" % faces)
  98         self.StyleSetSpec(wxSTC_STYLE_CONTROLCHAR, "face:%(other)s" % faces)
  99         self.StyleSetSpec(wxSTC_STYLE_BRACELIGHT,  "fore:#FFFFFF,back:#0000FF,bold")
 100         self.StyleSetSpec(wxSTC_STYLE_BRACEBAD,    "fore:#000000,back:#FF0000,bold")
 101
 102         # Python styles
 103         # White space
 104         self.StyleSetSpec(wxSTC_P_DEFAULT, "fore:#808080,face:%(helv)s,size:%(size)d" % faces)
 105         # Comment
 106         self.StyleSetSpec(wxSTC_P_COMMENTLINE, "fore:#007F00,face:%(other)s,size:%(size)d" % faces)
 107         # Number
 108         self.StyleSetSpec(wxSTC_P_NUMBER, "fore:#007F7F,size:%(size)d" % faces)
 109         # String
 110         self.StyleSetSpec(wxSTC_P_STRING, "fore:#7F007F,italic,face:%(times)s,size:%(size)d" % faces)
 111         # Single quoted string
 112         self.StyleSetSpec(wxSTC_P_CHARACTER, "fore:#7F007F,italic,face:%(times)s,size:%(size)d" % faces)
 113         # Keyword
 114         self.StyleSetSpec(wxSTC_P_WORD, "fore:#00007F,bold,size:%(size)d" % faces)
 115         # Triple quotes
 116         self.StyleSetSpec(wxSTC_P_TRIPLE, "fore:#7F0000,size:%(size)d" % faces)
 117         # Triple double quotes
 118         self.StyleSetSpec(wxSTC_P_TRIPLEDOUBLE, "fore:#7F0000,size:%(size)d" % faces)
 119         # Class name definition
 120         self.StyleSetSpec(wxSTC_P_CLASSNAME, "fore:#0000FF,bold,underline,size:%(size)d" % faces)
 121         # Function or method name definition
 122         self.StyleSetSpec(wxSTC_P_DEFNAME, "fore:#007F7F,bold,size:%(size)d" % faces)
 123         # Operators
 124         self.StyleSetSpec(wxSTC_P_OPERATOR, "bold,size:%(size)d" % faces)
 125         # Identifiers
 126         self.StyleSetSpec(wxSTC_P_IDENTIFIER, "fore:#808080,face:%(helv)s,size:%(size)d" % faces)
 127         # Comment-blocks
 128         self.StyleSetSpec(wxSTC_P_COMMENTBLOCK, "fore:#7F7F7F,size:%(size)d" % faces)
 129         # End of line where string is not closed
 130         self.StyleSetSpec(wxSTC_P_STRINGEOL, "fore:#000000,face:%(mono)s,back:#E0C0E0,eol,size:%(size)d" % faces)
 131
 132
 133         self.SetCaretForeground("BLUE")
 134
 135         EVT_KEY_DOWN(self, self.OnKeyPressed)
 136
 137
 138     def OnKeyPressed(self, event):
 139         key = event.KeyCode()
 140         if key == 32 and event.ControlDown():
 141             pos = self.GetCurrentPos()
 142             # Tips
 143             if event.ShiftDown():
 144                 self.CallTipSetBackground("yellow")
 145                 self.CallTipShow(pos, 'param1, param2')
 146             # Code completion
 147             else:
 148                 #lst = []
 149                 #for x in range(50000):
 150                 #    lst.append('%05d' % x)
 151                 #st = string.join(lst)
 152                 #print len(st)
 153                 #self.AutoCompShow(0, st)
 154
 155                 kw = keyword.kwlist[:]
 156                 kw.append("zzzzzz")
 157                 kw.append("aaaaa")
 158                 kw.append("__init__")
 159                 kw.append("zzaaaaa")
 160                 kw.append("zzbaaaa")
 161                 kw.append("this_is_a_longer_value")
 162                 kw.append("this_is_a_much_much_much_much_much_much_much_longer_value")
 163
 164                 kw.sort()  # Python sorts are case sensitive
 165                 self.AutoCompSetIgnoreCase(false)  # so this needs to match
 166
 167                 self.AutoCompShow(0, string.join(kw))
 168         else:
 169             event.Skip()
 170
 171
 172     def OnUpdateUI(self, evt):
 173         # check for matching braces
 174         braceAtCaret = -1
 175         braceOpposite = -1
 176         charBefore = None
 177         caretPos = self.GetCurrentPos()
 178         if caretPos > 0:
 179             charBefore = self.GetCharAt(caretPos - 1)
 180             styleBefore = self.GetStyleAt(caretPos - 1)
 181
 182         # check before
 183         if charBefore and chr(charBefore) in "[]{}()" and styleBefore == wxSTC_P_OPERATOR:
 184             braceAtCaret = caretPos - 1
 185
 186         # check after
 187         if braceAtCaret < 0:
 188             charAfter = self.GetCharAt(caretPos)
 189             styleAfter = self.GetStyleAt(caretPos)
 190             if charAfter and chr(charAfter) in "[]{}()" and styleAfter == wxSTC_P_OPERATOR:
 191                 braceAtCaret = caretPos
 192
 193         if braceAtCaret >= 0:
 194             braceOpposite = self.BraceMatch(braceAtCaret)
 195
 196         if braceAtCaret != -1  and braceOpposite == -1:
 197             self.BraceBadLight(braceAtCaret)
 198         else:
 199             self.BraceHighlight(braceAtCaret, braceOpposite)
 200             #pt = self.PointFromPosition(braceOpposite)
 201             #self.Refresh(true, wxRect(pt.x, pt.y, 5,5))
 202             #print pt
 203             #self.Refresh(false)
 204
 205
 206     def OnMarginClick(self, evt):
 207         # fold and unfold as needed
 208         if evt.GetMargin() == 2:
 209             if evt.GetShift() and evt.GetControl():
 210                 self.FoldAll()
 211             else:
 212                 lineClicked = self.LineFromPosition(evt.GetPosition())
 213                 if self.GetFoldLevel(lineClicked) & wxSTC_FOLDLEVELHEADERFLAG:
 214                     if evt.GetShift():
 215                         self.SetFoldExpanded(lineClicked, true)
 216                         self.Expand(lineClicked, true, true, 1)
 217                     elif evt.GetControl():
 218                         if self.GetFoldExpanded(lineClicked):
 219                             self.SetFoldExpanded(lineClicked, false)
 220                             self.Expand(lineClicked, false, true, 0)
 221                         else:
 222                             self.SetFoldExpanded(lineClicked, true)
 223                             self.Expand(lineClicked, true, true, 100)
 224                     else:
 225                         self.ToggleFold(lineClicked)
 226
 227
 228     def FoldAll(self):
 229         lineCount = self.GetLineCount()
 230         expanding = true
 231
 232         # find out if we are folding or unfolding
 233         for lineNum in range(lineCount):
 234             if self.GetFoldLevel(lineNum) & wxSTC_FOLDLEVELHEADERFLAG:
 235                 expanding = not self.GetFoldExpanded(lineNum)
 236                 break;
 237
 238         lineNum = 0
 239         while lineNum < lineCount:
 240             level = self.GetFoldLevel(lineNum)
 241             if level & wxSTC_FOLDLEVELHEADERFLAG and \
 242                (level & wxSTC_FOLDLEVELNUMBERMASK) == wxSTC_FOLDLEVELBASE:
 243
 244                 if expanding:
 245                     self.SetFoldExpanded(lineNum, true)
 246                     lineNum = self.Expand(lineNum, true)
 247                     lineNum = lineNum - 1
 248                 else:
 249                     lastChild = self.GetLastChild(lineNum, -1)
 250                     self.SetFoldExpanded(lineNum, false)
 251                     if lastChild > lineNum:
 252                         self.HideLines(lineNum+1, lastChild)
 253
 254             lineNum = lineNum + 1
 255
 256
 257
 258     def Expand(self, line, doExpand, force=false, visLevels=0, level=-1):
 259         lastChild = self.GetLastChild(line, level)
 260         line = line + 1
 261         while line <= lastChild:
 262             if force:
 263                 if visLevels > 0:
 264                     self.ShowLines(line, line)
 265                 else:
 266                     self.HideLines(line, line)
 267             else:
 268                 if doExpand:
 269                     self.ShowLines(line, line)
 270
 271             if level == -1:
 272                 level = self.GetFoldLevel(line)
 273
 274             if level & wxSTC_FOLDLEVELHEADERFLAG:
 275                 if force:
 276                     if visLevels > 1:
 277                         self.SetFoldExpanded(line, true)
 278                     else:
 279                         self.SetFoldExpanded(line, false)
 280                     line = self.Expand(line, doExpand, force, visLevels-1)
 281
 282                 else:
 283                     if doExpand and self.GetFoldExpanded(line):
 284                         line = self.Expand(line, true, force, visLevels-1)
 285                     else:
 286                         line = self.Expand(line, false, force, visLevels-1)
 287             else:
 288                 line = line + 1;
 289
 290         return line
 291
 292
 293 #----------------------------------------------------------------------
 294
 295 _USE_PANEL = 1
 296
 297 def runTest(frame, nb, log):
 298     if not _USE_PANEL:
 299         ed = p = PythonSTC(nb, -1)
 300     else:
 301         p = wxPanel(nb, -1)
 302         ed = PythonSTC(p, -1)
 303         s = wxBoxSizer(wxHORIZONTAL)
 304         s.Add(ed, 1, wxEXPAND)
 305         p.SetSizer(s)
 306         p.SetAutoLayout(true)
 307
 308
 309     ed.SetText(demoText + open('Main.py').read())
 310     ed.EmptyUndoBuffer()
 311     ed.Colourise(0, -1)
 312
 313     # line numbers in the margin
 314     ed.SetMarginType(1, wxSTC_MARGIN_NUMBER)
 315     ed.SetMarginWidth(1, 25)
 316
 317     return p
 318
 319
 320
 321 #----------------------------------------------------------------------
 322
 323
 324 overview = """\
 325 <html><body>
 326 Once again, no docs yet.  <b>Sorry.</b>  But <a href="data/stc.h.html">this</a>
 327 and <a href="http://www.scintilla.org/ScintillaDoc.html">this</a> should
 328 be helpful.
 329 </body><html>
 330 """
 331
 332
 333 if __name__ == '__main__':
 334     import sys
 335     app = wxPySimpleApp()
 336     frame = wxFrame(None, -1, "Tester...", size=(640, 480))
 337     win = runTest(frame, frame, sys.stdout)
 338     frame.Show(true)
 339     app.MainLoop()
 340
 341
 342
 343
 344
 345
 346 #----------------------------------------------------------------------
 347 #----------------------------------------------------------------------
 348