Problème avec QScintilla

Bonjour
j'essaie de fabriquer un lexer perso. en surclassant Qsci.QsciLexerCustom. Pour commencer je voudrais juste mettre en rouge toutes les lignes qui commencent par un dièse.

Je suis arrivé au code ci-dessous mais il me met tout en bleu (c'est déjà un premier pas).

Quelqu'un voit-il le souci ?

Toute info. est la bienvenue.

Le code de MiniQsciScintilla_PersoViaEric.py

Code:

---

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73

# -*- coding: utf-8 -*- #!/usr/bin/env python   import sys from PyQt4 import QtCore, QtGui, Qsci from window_LecteurCodePython_HTML import Ui_window_LecteurCodePython_HTML   ID_DEFAULT = 0 ID_COMMENT = 1   class myLexer(Qsci.QsciLexerCustom): # Struggle for a lexer. def description(self, style): # WARNING ! This method must be re-implemented by a sub-class. if style == 0: return 'ID_DEFAULT' if style == 1: return 'ID_COMMENT' return ''   def defaultColor(self, style): if style==ID_DEFAULT: return QtGui.QColor(0,0,255) if style==ID_COMMENT: return QtGui.QColor(255,0,0) return QtGui.QColor(0,0,0)   def styleText(self, start, end): # Taken from the source code of Eric. self.editor.startStyling(start) if self.editor.text()[0] == '#': self.editor.setStyling(end, ID_COMMENT) self.editor.startStyling(start+end) else: self.editor.setStyling(end+1, ID_DEFAULT)     class window_LecteurCodePython_HTML(QtGui.QMainWindow, Ui_window_LecteurCodePython_HTML): def __init__(self): QtGui.QMainWindow.__init__(self) Ui_window_LecteurCodePython_HTML.__init__(self) self.setupUi(self)   font = QtGui.QFont() font = QtGui.QFont() font.setFamily("Arial") font.setFixedPitch(True) font.setPointSize(10) fm = QtGui.QFontMetrics(font)   self.textScintilla_Principal.setFont(font) self.textScintilla_Principal.setMarginsFont(font) self.textScintilla_Principal.setMarginLineNumbers(1,True) self.textScintilla_Principal.setMarginWidth(1, fm.width( "00000" ) + 5)   self.textScintilla_Principal.setFolding(Qsci.QsciScintilla.BoxedTreeFoldStyle) self.textScintilla_Principal.setWrapMode(Qsci.QsciScintilla.WrapMode(Qsci.QsciScintillaBase.SC_WRAP_WORD)) self.textScintilla_Principal.setWrapVisualFlags(Qsci.QsciScintilla.WrapVisualFlag(Qsci.QsciScintilla.WrapFlagByBorder), Qsci.QsciScintilla.WrapVisualFlag(Qsci.QsciScintilla.WrapFlagNone), 0)   self.textScintilla_Principal.setLexer(myLexer()) textFichier= """# A red line /* This must be a fold */         Nothing special for the moment  except that blue word.""" self.textScintilla_Principal.setText(textFichier)   if __name__ == "__main__": app = QtGui.QApplication(sys.argv) LecteurCodePython = window_LecteurCodePython_HTML() LecteurCodePython.show() sys.exit(app.exec_())

---

Voici le code complet de window_LecteurCodePython_HTML.py

Code:

---

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60

# -*- coding: utf-8 -*-   from PyQt4 import QtCore, QtGui   class Ui_window_LecteurCodePython_HTML(object): def setupUi(self, window_LecteurCodePython_HTML): window_LecteurCodePython_HTML.setObjectName("window_LecteurCodePython_HTML") window_LecteurCodePython_HTML.resize(516, 397) self.centralwidget = QtGui.QWidget(window_LecteurCodePython_HTML) self.centralwidget.setObjectName("centralwidget") self.verticalLayout = QtGui.QVBoxLayout(self.centralwidget) self.verticalLayout.setObjectName("verticalLayout") self.textScintilla_Principal = Qsci.QsciScintilla(self.centralwidget) self.textScintilla_Principal.setObjectName("textScintilla_Principal") self.verticalLayout.addWidget(self.textScintilla_Principal) window_LecteurCodePython_HTML.setCentralWidget(self.centralwidget) self.menubar = QtGui.QMenuBar(window_LecteurCodePython_HTML) self.menubar.setGeometry(QtCore.QRect(0, 0, 516, 21)) self.menubar.setObjectName("menubar") self.menuFichier = QtGui.QMenu(self.menubar) self.menuFichier.setObjectName("menuFichier") window_LecteurCodePython_HTML.setMenuBar(self.menubar) self.statusbar = QtGui.QStatusBar(window_LecteurCodePython_HTML) self.statusbar.setObjectName("statusbar") window_LecteurCodePython_HTML.setStatusBar(self.statusbar) self.actionOuvrir = QtGui.QAction(window_LecteurCodePython_HTML) self.actionOuvrir.setObjectName("actionOuvrir") self.actionEnregistrer = QtGui.QAction(window_LecteurCodePython_HTML) self.actionEnregistrer.setObjectName("actionEnregistrer") self.actionExporterHTML = QtGui.QAction(window_LecteurCodePython_HTML) self.actionExporterHTML.setObjectName("actionExporterHTML") self.menuFichier.addAction(self.actionOuvrir) self.menuFichier.addAction(self.actionEnregistrer) self.menuFichier.addSeparator() self.menuFichier.addAction(self.actionExporterHTML) self.menubar.addAction(self.menuFichier.menuAction())   self.retranslateUi(window_LecteurCodePython_HTML) QtCore.QMetaObject.connectSlotsByName(window_LecteurCodePython_HTML)   def retranslateUi(self, window_LecteurCodePython_HTML): window_LecteurCodePython_HTML.setWindowTitle(QtGui.QApplication.translate("window_LecteurCodePython_HTML", "MainWindow", None, QtGui.QApplication.UnicodeUTF8)) self.menuFichier.setTitle(QtGui.QApplication.translate("window_LecteurCodePython_HTML", "Actions", None, QtGui.QApplication.UnicodeUTF8)) self.actionOuvrir.setText(QtGui.QApplication.translate("window_LecteurCodePython_HTML", "Ouvrir", None, QtGui.QApplication.UnicodeUTF8)) self.actionOuvrir.setShortcut(QtGui.QApplication.translate("window_LecteurCodePython_HTML", "Ctrl+O", None, QtGui.QApplication.UnicodeUTF8)) self.actionEnregistrer.setText(QtGui.QApplication.translate("window_LecteurCodePython_HTML", "Rechercher", None, QtGui.QApplication.UnicodeUTF8)) self.actionEnregistrer.setShortcut(QtGui.QApplication.translate("window_LecteurCodePython_HTML", "Ctrl+S", None, QtGui.QApplication.UnicodeUTF8)) self.actionExporterHTML.setText(QtGui.QApplication.translate("window_LecteurCodePython_HTML", "Exporter", None, QtGui.QApplication.UnicodeUTF8)) self.actionExporterHTML.setShortcut(QtGui.QApplication.translate("window_LecteurCodePython_HTML", "Ctrl+E", None, QtGui.QApplication.UnicodeUTF8))   from PyQt4 import Qsci   if __name__ == "__main__": import sys app = QtGui.QApplication(sys.argv) window_LecteurCodePython_HTML = QtGui.QMainWindow() ui = Ui_window_LecteurCodePython_HTML() ui.setupUi(window_LecteurCodePython_HTML) window_LecteurCodePython_HTML.show() sys.exit(app.exec_())

---

Finalement,
j'étais complétement à côté de la plaque. Un grand manitou de la liste PyQt m'a donné la solution non évidente suivante :

Code:

---

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115

#!/usr/bin/env python #coding=utf-8 import sys from PyQt4 import QtCore, QtGui, Qsci     class MainWindow(QtGui.QMainWindow): def __init__(self): QtGui.QMainWindow.__init__(self) self.setWindowTitle('Custom Lexer Example') self.setGeometry(QtCore.QRect(50,200,400,400)) self.editor = Qsci.QsciScintilla(self) self.editor.setUtf8(True) self.editor.setMarginWidth(2, 15) self.editor.setFolding(True) self.setCentralWidget(self.editor) self.lexer = CustomLexer(self.editor) self.editor.setLexer(self.lexer) self.editor.setText('\n# sample source\n\nfoo = 1\nbar = 2\n')     class CustomLexer(Qsci.QsciLexerCustom): def __init__(self, parent): Qsci.QsciLexerCustom.__init__(self, parent) self._styles = { 0: 'Default', 1: 'Comment', 2: 'Key', 3: 'Assignment', 4: 'Value', } for key,value in self._styles.iteritems(): setattr(self, value, key)   def description(self, style): return self._styles.get(style, '')   def defaultColor(self, style): if style == self.Default: return QtGui.QColor('#000000') elif style == self.Comment: return QtGui.QColor('#C0C0C0') elif style == self.Key: return QtGui.QColor('#0000CC') elif style == self.Assignment: return QtGui.QColor('#CC0000') elif style == self.Value: return QtGui.QColor('#00CC00') return Qsci.QsciLexerCustom.defaultColor(self, style)   def styleText(self, start, end): editor = self.editor() if editor is None: return   # scintilla works with encoded bytes, not decoded characters. # this matters if the source contains non-ascii characters and # a multi-byte encoding is used (e.g. utf-8) source = '' if end > editor.length(): end = editor.length() if end > start: if sys.hexversion >= 0x02060000: # faster when styling big files, but needs python 2.6 source = bytearray(end - start) editor.SendScintilla( editor.SCI_GETTEXTRANGE, start, end, source) else: source = unicode(editor.text() ).encode('utf-8')[start:end] if not source: return   # the line index will also be needed to implement folding index = editor.SendScintilla(editor.SCI_LINEFROMPOSITION, start) if index > 0: # the previous state may be needed for multi-line styling pos = editor.SendScintilla(editor.SCI_GETLINEENDPOSITION, index - 1) state = editor.SendScintilla(editor.SCI_GETSTYLEAT, pos) else: state = self.Default   set_style = self.setStyling self.startStyling(start, 0x1f)   # scintilla always asks to style whole lines for line in source.splitlines(True): length = len(line) if line.startswith('+ '): index+=1 state = self.Comment else: # the following will style lines like "x = 0" pos = line.find('=') if pos > 0: set_style(pos, self.Key) set_style(1, self.Assignment) length = length - pos - 1 state = self.Value else: state = self.Default set_style(length, state) # folding implementation goes here editor.SendScintilla(editor.SCI_SETFOLDLEVEL, 1) index += 1     if __name__ == "__main__": app = QtGui.QApplication(sys.argv) app.connect(app, QtCore.SIGNAL('lastWindowClosed()'), QtCore.SLOT('quit()')) win = MainWindow() win.show() sys.exit(app.exec_())

---