Hello,
I'm trying to understand the use of the custom Lexer of QSciScintilla
but it is too hard to understand what it must be done. My lexer would
for example ....
1. ... put in red all line which begins with a #
2. ... put in blue only the word blue
3. ... make a folding with something starting with /* and ending
with */
Can you help me ? Where can I find concret informations showing how to
implement the four methods (a Python and not a C code will be great) :
1) description : I know that I must return a string. I guess that
this to make a correspondance betwenn a number style and a string
description.
2) styleText : I know that this must find the word to be coulour but
I do not know how. For example, how we have acces to a special
character of the text ?
3) setStyling and startStyling : two big mysterious things...
Christophe.
# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file 'C:\Documents and
Settings\Christophe\Mes
documents\2,pyBaNaMa\DebuterAvecPythonEtPyQT\CodesProjets\04-Proj4_MiniEditHTML\05-TestColorSyntax(WebKit)\window_LecteurCodePython_HTML.ui
'
#
# Created: Thu Aug 28 12:37:43 2008
# by: PyQt4 UI code generator 4.4.3
#
# WARNING! All changes made in this file will be lost!
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_())
# -*- coding: utf-8 -*-
#!/usr/bin/env python
import sys
from PyQt4 import QtCore, QtGui, Qsci
from window_LecteurCodePython_HTML import Ui_window_LecteurCodePython_HTML
class myLexer(Qsci.QsciLexerCustom):
def description(self, style):
return 'Style No ' + str(style)
# def styleText(self, start, end):
# ?????
#
# def setStyling(self, lenght, style_bits = 0):
# ?????
#
# def startStyling(self, pos, style_bits = 0):
# ?????
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_())_______________________________________________
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