--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Preferences/PreferencesLexer.py Mon Dec 28 16:03:33 2009 +0000
@@ -0,0 +1,254 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2002 - 2009 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a special QextScintilla lexer to handle the preferences.
+"""
+
+import sys
+
+from PyQt4.QtCore import *
+from PyQt4.QtGui import QColor, QFont, QApplication
+from PyQt4.Qsci import QsciLexer, QsciScintilla
+
+import QScintilla.Lexers
+
+import Preferences
+
+class PreferencesLexerError(Exception):
+ """
+ Class defining a special error for the PreferencesLexer class.
+ """
+ def __init__(self):
+ """
+ Constructor
+ """
+ self._errorMessage = \
+ QApplication.translate("PreferencesLexerError",
+ "Unspecific PreferencesLexer error.")
+
+ def __repr__(self):
+ """
+ Private method returning a representation of the exception.
+
+ @return string representing the error message
+ """
+ return repr(self._errorMessage)
+
+ def __str__(self):
+ """
+ Private method returning a string representation of the exception.
+
+ @return string representing the error message
+ """
+ return self._errorMessage
+
+class PreferencesLexerLanguageError(PreferencesLexerError):
+ """
+ Class defining a special error for the PreferencesLexer class.
+ """
+ def __init__(self, language):
+ """
+ Constructor
+ """
+ PreferencesLexerError.__init__(self)
+ self._errorMessage = \
+ QApplication.translate("PreferencesLexerError",
+ 'Unsupported Lexer Language: {0}').format(language)
+
+class PreferencesLexer(QsciLexer):
+ """
+ Subclass of QsciLexer to implement preferences specific lexer methods.
+ """
+ def __init__(self, language, parent=None):
+ """
+ Constructor
+
+ @param language The lexer language. (string)
+ @param parent The parent widget of this lexer. (QextScintilla)
+ """
+ QsciLexer.__init__(self, parent)
+
+ # instantiate a lexer object for the given language
+ lex = QScintilla.Lexers.getLexer(language)
+ if lex is None:
+ raise PreferencesLexerLanguageError(language)
+
+ # define the local store
+ self.colours = {}
+ self.defaultColours = {}
+ self.papers = {}
+ self.defaultPapers = {}
+ self.eolFills = {}
+ self.defaultEolFills = {}
+ self.fonts = {}
+ self.defaultFonts = {}
+ self.descriptions = {}
+ self.ind2style = {}
+ self.styles = []
+
+ # fill local store with default values from lexer
+ # and built up styles list and conversion table from index to style
+ self.__language = lex.language()
+
+ index = 0
+ for i in range(128):
+ desc = lex.description(i)
+ if desc:
+ self.descriptions[i] = desc
+ self.styles.append(desc)
+
+ self.colours[i] = lex.defaultColor(i)
+ self.papers[i] = lex.defaultPaper(i)
+ self.eolFills[i] = lex.defaultEolFill(i)
+ self.fonts[i] = lex.defaultFont(i)
+
+ self.defaultColours[i] = lex.defaultColor(i)
+ self.defaultPapers[i] = lex.defaultPaper(i)
+ self.defaultEolFills[i] = lex.defaultEolFill(i)
+ self.defaultFonts[i] = lex.defaultFont(i)
+
+ self.ind2style[index] = i
+ index += 1
+
+ self.connect(self, SIGNAL("colorChanged (const QColor&, int)"),
+ self.setColor)
+ self.connect(self, SIGNAL("eolFillChanged (bool, int)"),
+ self.setEolFill)
+ self.connect(self, SIGNAL("fontChanged (const QFont&, int)"),
+ self.setFont)
+ self.connect(self, SIGNAL("paperChanged (const QColor&, int )"),
+ self.setPaper)
+
+ # read the last stored values from preferences file
+ self.readSettings(Preferences.Prefs.settings, "Scintilla")
+
+ def defaultColor(self, style):
+ """
+ Public method to get the default colour of a style.
+
+ @param style the style number (int)
+ @return colour
+ """
+ return self.defaultColours[style]
+
+ def color(self, style):
+ """
+ Public method to get the colour of a style.
+
+ @param style the style number (int)
+ @return colour
+ """
+ return self.colours[style]
+
+ def setColor(self, c, style):
+ """
+ Public method to set the colour for a style.
+
+ @param c colour (int)
+ @param style the style number (int)
+ """
+ self.colours[style] = QColor(c)
+
+ def defaultPaper(self, style):
+ """
+ Public method to get the default background for a style.
+
+ @param style the style number (int)
+ @return colour
+ """
+ return self.defaultPapers[style]
+
+ def paper(self, style):
+ """
+ Public method to get the background for a style.
+
+ @param style the style number (int)
+ @return colour
+ """
+ return self.papers[style]
+
+ def setPaper(self, c, style):
+ """
+ Public method to set the background for a style.
+
+ @param c colour (int)
+ @param style the style number (int)
+ """
+ self.papers[style] = QColor(c)
+
+ def defaulEolFill(self, style):
+ """
+ Public method to get the default eolFill flag for a style.
+
+ @param style the style number (int)
+ @return eolFill flag
+ """
+ return self.defaultEolFills[style]
+
+ def eolFill(self, style):
+ """
+ Public method to get the eolFill flag for a style.
+
+ @param style the style number (int)
+ @return eolFill flag
+ """
+ return self.eolFills[style]
+
+ def setEolFill(self, eolfill, style):
+ """
+ Public method to set the eolFill flag for a style.
+
+ @param eolfill eolFill flag (boolean)
+ @param style the style number (int)
+ """
+ self.eolFills[style] = eolfill
+
+ def defaultFont(self, style):
+ """
+ Public method to get the default font for a style.
+
+ @param style the style number (int)
+ @return font
+ """
+ return self.defaultFonts[style]
+
+ def font(self, style):
+ """
+ Public method to get the font for a style.
+
+ @param style the style number (int)
+ @return font
+ """
+ return self.fonts[style]
+
+ def setFont(self, f, style):
+ """
+ Public method to set the font for a style.
+
+ @param f font
+ @param style the style number (int)
+ """
+ self.fonts[style] = QFont(f)
+
+ def language(self):
+ """
+ Public method to get the lexers programming language.
+
+ @return language
+ """
+ return self.__language
+
+ def description(self, style):
+ """
+ Public method to get a descriptive string for a style.
+
+ @param style the style number (int)
+ @return description of the style (string)
+ """
+ if self.descriptions.has_key(style):
+ return self.descriptions[style]
+ else:
+ return ""
