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' : 8,
  25               'size2': 6,
  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, 15)
  65         self.MarkerDefine(wxSTC_MARKNUM_FOLDER, wxSTC_MARK_ARROW, "navy", "navy")
  66         self.MarkerDefine(wxSTC_MARKNUM_FOLDEROPEN, wxSTC_MARK_ARROWDOWN, "navy", "navy")
  67
  68
  69         EVT_STC_UPDATEUI(self,    ID, self.OnUpdateUI)
  70         EVT_STC_MARGINCLICK(self, ID, self.OnMarginClick)
  71
  72
  73         # Make some styles,  The lexer defines what each style is used for, we
  74         # just have to define what each style looks like.  This set is adapted from
  75         # Scintilla sample property files.
  76
  77         self.StyleClearAll()
  78
  79         # Global default styles for all languages
  80         self.StyleSetSpec(wxSTC_STYLE_DEFAULT,     "face:%(helv)s,size:%(size)d" % faces)
  81         self.StyleSetSpec(wxSTC_STYLE_LINENUMBER,  "back:#C0C0C0,face:%(helv)s,size:%(size2)d" % faces)
  82         self.StyleSetSpec(wxSTC_STYLE_CONTROLCHAR, "face:%(other)s" % faces)
  83         self.StyleSetSpec(wxSTC_STYLE_BRACELIGHT,  "fore:#FFFFFF,back:#0000FF,bold")
  84         self.StyleSetSpec(wxSTC_STYLE_BRACEBAD,    "fore:#000000,back:#FF0000,bold")
  85
  86         # Python styles
  87         # White space
  88         self.StyleSetSpec(wxSTC_P_DEFAULT, "fore:#808080,face:%(helv)s,size:%(size)d" % faces)
  89         # Comment
  90         self.StyleSetSpec(wxSTC_P_COMMENTLINE, "fore:#007F00,face:%(other)s,size:%(size)d" % faces)
  91         # Number
  92         self.StyleSetSpec(wxSTC_P_NUMBER, "fore:#007F7F,size:%(size)d" % faces)
  93         # String
  94         self.StyleSetSpec(wxSTC_P_STRING, "fore:#7F007F,italic,face:%(times)s,size:%(size)d" % faces)
  95         # Single quoted string
  96         self.StyleSetSpec(wxSTC_P_CHARACTER, "fore:#7F007F,italic,face:%(times)s,size:%(size)d" % faces)
  97         # Keyword
  98         self.StyleSetSpec(wxSTC_P_WORD, "fore:#00007F,bold,size:%(size)d" % faces)
  99         # Triple quotes
 100         self.StyleSetSpec(wxSTC_P_TRIPLE, "fore:#7F0000,size:%(size)d" % faces)
 101         # Triple double quotes
 102         self.StyleSetSpec(wxSTC_P_TRIPLEDOUBLE, "fore:#7F0000,size:%(size)d" % faces)
 103         # Class name definition
 104         self.StyleSetSpec(wxSTC_P_CLASSNAME, "fore:#0000FF,bold,underline,size:%(size)d" % faces)
 105         # Function or method name definition
 106         self.StyleSetSpec(wxSTC_P_DEFNAME, "fore:#007F7F,bold,size:%(size)d" % faces)
 107         # Operators
 108         self.StyleSetSpec(wxSTC_P_OPERATOR, "bold,size:%(size)d" % faces)
 109         # Identifiers
 110         self.StyleSetSpec(wxSTC_P_IDENTIFIER, "fore:#808080,face:%(helv)s,size:%(size)d" % faces)
 111         # Comment-blocks
 112         self.StyleSetSpec(wxSTC_P_COMMENTBLOCK, "fore:#7F7F7F,size:%(size)d" % faces)
 113         # End of line where string is not closed
 114         self.StyleSetSpec(wxSTC_P_STRINGEOL, "fore:#000000,face:%(mono)s,back:#E0C0E0,eolfilled,size:%(size)d" % faces)
 115
 116
 117         self.SetCaretForeground("BLUE")
 118
 119         EVT_KEY_UP(self, self.OnKeyPressed)
 120
 121
 122     def OnKeyPressed(self, event):
 123         key = event.KeyCode()
 124         if key == 32 and event.ControlDown():
 125             pos = self.GetCurrentPos()
 126             # Tips
 127             if event.ShiftDown():
 128                 self.CallTipSetBackground("yellow")
 129                 self.CallTipShow(pos, 'param1, param2')
 130             # Code completion
 131             else:
 132                 #lst = []
 133                 #for x in range(50000):
 134                 #    lst.append('%05d' % x)
 135                 #st = string.join(lst)
 136                 #print len(st)
 137                 #self.AutoCompShow(0, st)
 138                 self.AutoCompSetIgnoreCase(true)
 139                 self.AutoCompShow(0, string.join(keyword.kwlist))
 140                 self.AutoCompSelect('br')
 141         else:
 142             event.Skip()
 143
 144
 145     def OnUpdateUI(self, evt):
 146         # check for matching braces
 147         braceAtCaret = -1
 148         braceOpposite = -1
 149         charBefore = None
 150         caretPos = self.GetCurrentPos()
 151         if caretPos > 0:
 152             charBefore = self.GetCharAt(caretPos - 1)
 153             styleBefore = self.GetStyleAt(caretPos - 1)
 154
 155         # check before
 156         if charBefore and chr(charBefore) in "[]{}()" and styleBefore == wxSTC_P_OPERATOR:
 157             braceAtCaret = caretPos - 1
 158
 159         # check after
 160         if braceAtCaret < 0:
 161             charAfter = self.GetCharAt(caretPos)
 162             styleAfter = self.GetStyleAt(caretPos)
 163             if charAfter and chr(charAfter) in "[]{}()" and styleAfter == wxSTC_P_OPERATOR:
 164                 braceAtCaret = caretPos
 165
 166         if braceAtCaret >= 0:
 167             braceOpposite = self.BraceMatch(braceAtCaret)
 168
 169         if braceAtCaret != -1  and braceOpposite == -1:
 170             self.BraceBadLight(braceAtCaret)
 171         else:
 172             self.BraceHighlight(braceAtCaret, braceOpposite)
 173             #pt = self.PointFromPosition(braceOpposite)
 174             #self.Refresh(true, wxRect(pt.x, pt.y, 5,5))
 175             #print pt
 176             #self.Refresh(false)
 177
 178
 179     def OnMarginClick(self, evt):
 180         # fold and unfold as needed
 181         if evt.GetMargin() == 2:
 182             if evt.GetShift() and evt.GetControl():
 183                 self.FoldAll()
 184             else:
 185                 lineClicked = self.LineFromPosition(evt.GetPosition())
 186                 if self.GetFoldLevel(lineClicked) & wxSTC_FOLDLEVELHEADERFLAG:
 187                     if evt.GetShift():
 188                         self.SetFoldExpanded(lineClicked, true)
 189                         self.Expand(lineClicked, true, true, 1)
 190                     elif evt.GetControl():
 191                         if self.GetFoldExpanded(lineClicked):
 192                             self.SetFoldExpanded(lineClicked, false)
 193                             self.Expand(lineClicked, false, true, 0)
 194                         else:
 195                             self.SetFoldExpanded(lineClicked, true)
 196                             self.Expand(lineClicked, true, true, 100)
 197                     else:
 198                         self.ToggleFold(lineClicked)
 199
 200
 201     def FoldAll(self):
 202         lineCount = self.GetLineCount()
 203         expanding = true
 204
 205         # find out if we are folding or unfolding
 206         for lineNum in range(lineCount):
 207             if self.GetFoldLevel(lineNum) & wxSTC_FOLDLEVELHEADERFLAG:
 208                 expanding = not self.GetFoldExpanded(lineNum)
 209                 break;
 210
 211         lineNum = 0
 212         while lineNum < lineCount:
 213             level = self.GetFoldLevel(lineNum)
 214             if level & wxSTC_FOLDLEVELHEADERFLAG and \
 215                (level & wxSTC_FOLDLEVELNUMBERMASK) == wxSTC_FOLDLEVELBASE:
 216
 217                 if expanding:
 218                     self.SetFoldExpanded(lineNum, true)
 219                     lineNum = self.Expand(lineNum, true)
 220                     lineNum = lineNum - 1
 221                 else:
 222                     lastChild = self.GetLastChild(lineNum, -1)
 223                     self.SetFoldExpanded(lineNum, false)
 224                     if lastChild > lineNum:
 225                         self.HideLines(lineNum+1, lastChild)
 226
 227             lineNum = lineNum + 1
 228
 229
 230
 231     def Expand(self, line, doExpand, force=false, visLevels=0, level=-1):
 232         lastChild = self.GetLastChild(line, level)
 233         line = line + 1
 234         while line <= lastChild:
 235             if force:
 236                 if visLevels > 0:
 237                     self.ShowLines(line, line)
 238                 else:
 239                     self.HideLines(line, line)
 240             else:
 241                 if doExpand:
 242                     self.ShowLines(line, line)
 243
 244             if level == -1:
 245                 level = self.GetFoldLevel(line)
 246
 247             if level & wxSTC_FOLDLEVELHEADERFLAG:
 248                 if force:
 249                     if visLevels > 1:
 250                         self.SetFoldExpanded(line, true)
 251                     else:
 252                         self.SetFoldExpanded(line, false)
 253                     line = self.Expand(line, doExpand, force, visLevels-1)
 254
 255                 else:
 256                     if doExpand and self.GetFoldExpanded(line):
 257                         line = self.Expand(line, true, force, visLevels-1)
 258                     else:
 259                         line = self.Expand(line, false, force, visLevels-1)
 260             else:
 261                 line = line + 1;
 262
 263         return line
 264
 265
 266 #----------------------------------------------------------------------
 267
 268 _USE_PANEL = 1
 269
 270 def runTest(frame, nb, log):
 271     if not _USE_PANEL:
 272         ed = p = PythonSTC(nb, -1)
 273     else:
 274         p = wxPanel(nb, -1)
 275         ed = PythonSTC(p, -1)
 276         s = wxBoxSizer(wxHORIZONTAL)
 277         s.Add(ed, 1, wxEXPAND)
 278         p.SetSizer(s)
 279         p.SetAutoLayout(true)
 280
 281
 282     ed.SetText(demoText + open('Main.py').read())
 283     ed.EmptyUndoBuffer()
 284     ed.Colourise(0, -1)
 285
 286     # line numbers in the margin
 287     ed.SetMarginType(1, wxSTC_MARGIN_NUMBER)
 288     ed.SetMarginWidth(1, 25)
 289
 290     return p
 291
 292
 293
 294 #----------------------------------------------------------------------
 295
 296
 297 overview = """\
 298 <html><body>
 299 Once again, no docs yet.  <b>Sorry.</b>  But <a href="data/stc.h.html">this</a>
 300 and <a href="http://www.scintilla.org/ScintillaDoc.html">this</a> should
 301 be helpful.
 302 </body><html>
 303 """
 304
 305
 306 if __name__ == '__main__':
 307     import sys
 308     app = wxPySimpleApp()
 309     frame = wxFrame(None, -1, "Tester...", size=(640, 480))
 310     win = runTest(frame, frame, sys.stdout)
 311     frame.Show(true)
 312     app.MainLoop()
 313
 314
 315
 316
 317
 318
 319 #----------------------------------------------------------------------
 320 #----------------------------------------------------------------------
 321