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from defconQt.baseCodeEditor import CodeEditor, CodeHighlighter
from PyQt5.QtCore import QFile, Qt
from PyQt5.QtGui import (QColor, QFont, QKeySequence, QPainter, QTextCharFormat,
QTextCursor)
from PyQt5.QtWidgets import (QApplication, QFileDialog, QMainWindow, QMenu,
QMessageBox, QPlainTextEdit, QWidget)
# TODO: implement search and replace
class MainEditWindow(QMainWindow):
def __init__(self, font=None, parent=None):
super(MainEditWindow, self).__init__(parent)
self.font = font
self.editor = FeatureTextEditor(self.font.features.text, self)
self.resize(600, 500)
fileMenu = QMenu("&File", self)
fileMenu.addAction("&Save...", self.save, QKeySequence.Save)
fileMenu.addSeparator()
fileMenu.addAction("Reload from UFO", self.reload)
fileMenu.addAction("E&xit", self.close, QKeySequence.Quit)
self.menuBar().addMenu(fileMenu)
self.setCentralWidget(self.editor)
self.setWindowTitle("Font features", self.font)
# now arm `undoAvailable` to `setWindowModified`
self.editor.undoAvailable.connect(self.setWindowModified)
def setWindowTitle(self, title, font):
if font is not None: puts = "[*]%s – %s %s" % (title, self.font.info.familyName, self.font.info.styleName)
else: puts = "[*]%s" % title
super(MainEditWindow, self).setWindowTitle(puts)
def closeEvent(self, event):
if self.editor.document().isModified():
name = QApplication.applicationName()
closeDialog = QMessageBox(QMessageBox.Question, name, "Save your changes?",
QMessageBox.Save | QMessageBox.Discard | QMessageBox.Cancel, self)
closeDialog.setInformativeText("Your changes will be lost if you don’t save them.")
closeDialog.setModal(True)
ret = closeDialog.exec_()
if ret == QMessageBox.Save:
self.save()
event.accept()
elif ret == QMessageBox.Discard:
event.accept()
else:
event.ignore()
def reload(self):
self.font.reloadFeatures()
self.editor.setPlainText(self.font.features.text)
def save(self):
self.editor.write(self.font.features)
class FeatureTextEditor(CodeEditor):
def __init__(self, text=None, parent=None):
super(FeatureTextEditor, self).__init__(text, parent)
self.openBlockDelimiter = '{'
self.highlighter = FeatureTextHighlighter(self.document())
def write(self, features):
features.text = self.toPlainText()
def keyPressEvent(self, event):
key = event.key()
if key == Qt.Key_Return:
cursor = self.textCursor()
indentLvl = self.findLineIndentLevel(cursor)
newBlock = False
cursor.movePosition(QTextCursor.PreviousCharacter, QTextCursor.KeepAnchor)
if cursor.selectedText() == self.openBlockDelimiter:
# We don't add a closing tag if there is text right below with the same
# indentation level because in that case the user might just be looking
# to add a new line
ok = cursor.movePosition(QTextCursor.Down)
if ok:
downIndentLvl = self.findLineIndentLevel(cursor)
cursor.select(QTextCursor.LineUnderCursor)
if cursor.selectedText().strip() == '' or downIndentLvl <= indentLvl:
newBlock = True
cursor.movePosition(QTextCursor.Up)
else: newBlock = True
indentLvl += 1
cursor.select(QTextCursor.LineUnderCursor)
if newBlock:
txt = cursor.selectedText().lstrip(" ").split(" ")
if len(txt) > 1:
if len(txt) < 3 and txt[-1][-1] == self.openBlockDelimiter:
feature = txt[-1][:-1]
else:
feature = txt[1]
else:
feature = None
cursor.movePosition(QTextCursor.EndOfLine)
cursor.insertText("\n")
newLineSpace = "".join(self.indent for _ in range(indentLvl))
cursor.insertText(newLineSpace)
if newBlock:
cursor.insertText("\n")
newLineSpace = "".join((newLineSpace[:-len(self.indent)], "} ", feature, ";"))
cursor.insertText(newLineSpace)
cursor.movePosition(QTextCursor.Up)
cursor.movePosition(QTextCursor.EndOfLine)
self.setTextCursor(cursor)
else:
super(FeatureTextEditor, self).keyPressEvent(event)
keywordPatterns = ["Ascender", "Attach", "CapHeight", "CaretOffset", "CodePageRange",
"Descender", "FontRevision", "GlyphClassDef", "HorizAxis.BaseScriptList",
"HorizAxis.BaseTagList", "HorizAxis.MinMax", "IgnoreBaseGlyphs", "IgnoreLigatures",
"IgnoreMarks", "LigatureCaretByDev", "LigatureCaretByIndex", "LigatureCaretByPos",
"LineGap", "MarkAttachClass", "MarkAttachmentType", "NULL", "Panose", "RightToLeft",
"TypoAscender", "TypoDescender", "TypoLineGap", "UnicodeRange", "UseMarkFilteringSet",
"Vendor", "VertAdvanceY", "VertAxis.BaseScriptList", "VertAxis.BaseTagList",
"VertAxis.MinMax", "VertOriginY", "VertTypoAscender", "VertTypoDescender",
"VertTypoLineGap", "XHeight", "anchorDef", "anchor", "anonymous", "anon",
"by", "contour", "cursive", "device", "enumerate", "enum", "exclude_dflt",
"featureNames", "feature", "from", "ignore", "include_dflt", "include",
"languagesystem", "language", "lookupflag", "lookup", "markClass", "mark",
"nameid", "name", "parameters", "position", "pos", "required", "reversesub",
"rsub", "script", "sizemenuname", "substitute", "subtable", "sub", "table",
"useExtension", "valueRecordDef", "winAscent", "winDescent"]
class FeatureTextHighlighter(CodeHighlighter):
def __init__(self, parent=None):
super(FeatureTextHighlighter, self).__init__(parent)
keywordFormat = QTextCharFormat()
keywordFormat.setForeground(QColor(34, 34, 34))
keywordFormat.setFontWeight(QFont.Bold)
self.highlightingRules.append(("\\b(%s)\\b" % ("|".join(keywordPatterns)), keywordFormat))
singleLineCommentFormat = QTextCharFormat()
singleLineCommentFormat.setForeground(Qt.darkGray)
self.highlightingRules.append(("#[^\n]*", singleLineCommentFormat))
groupFormat = QTextCharFormat()
groupFormat.setFontWeight(QFont.Bold)
groupFormat.setForeground(QColor(96, 106, 161))
self.highlightingRules.append(("@[A-Za-z0-9_.]+", groupFormat))
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