Jan-09-2018, 06:56 PM
(This post was last modified: Jan-09-2018, 07:22 PM by Axel_Erfurt.)
based on the PyQt5 'RichText' example.
I added a lot of features.
(you can also use it as an HTML editor)
code on github
I added a lot of features.
(you can also use it as an HTML editor)
code on github
#!/usr/bin/python3
# -- coding: utf-8 --
from PyQt5.QtWidgets import QTextEdit, QWidget, QVBoxLayout, QApplication, QFileDialog, QMessageBox, QHBoxLayout, \
QToolBar, QComboBox, QAction, QLineEdit, QMenu, QMainWindow, QActionGroup, \
QFontComboBox, QColorDialog, QInputDialog, QPushButton
from PyQt5.QtGui import QIcon, QPainter, QTextFormat, QColor, QTextCursor, QKeySequence, QClipboard, \
QTextCharFormat, QTextCharFormat, QFont, QPixmap, QFontDatabase, QFontInfo, QTextDocumentWriter, \
QImage, QTextListFormat, QTextBlockFormat, QTextDocumentFragment
from PyQt5.QtCore import Qt, QDir, QFile, QFileInfo, QTextStream, QSettings, QTextCodec, QSize, QMimeData, QUrl, QSysInfo
from PyQt5 import QtPrintSupport
import sys, os, webbrowser
tab = "\t"
eof = "\n"
tableheader2 = "<table><tr><th> Header 1 </th><th> Header 2 </th> \
</tr><tr><td> Line 1 </td><td> Line 1 </td></tr></table>"
tableheader3 = "<table><tr><th> Header 1 </th><th> Header 2 </th><th> Header 3 </th> \
</tr><tr><td> Line 1 </td><td> Line 1 </td><td> Line 1 </td></tr></table>"
class myEditor(QMainWindow):
def __init__(self, parent = None):
super(myEditor, self).__init__(parent)
self.MaxRecentFiles = 5
self.windowList = []
self.recentFileActs = []
self.mainText = " "
self.settings = QSettings('Axel Schneider', 'RichTextEdit')
self.setAttribute(Qt.WA_DeleteOnClose)
# Editor Widget ...
# QIcon.setThemeName('gnome')
self.editor = QTextEdit()
self.editor.setStyleSheet(myStyleSheet(self))
self.editor.setTabStopWidth(14)
self.editor.setContextMenuPolicy(Qt.CustomContextMenu)
self.editor.customContextMenuRequested.connect(self.contextMenuRequested)
self.createActions()
self.createTollbarActions()
self.createToolbar()
self.createMenubar()
def createTollbarActions(self):
self.newAct = QAction("&New", self, shortcut=QKeySequence.New,statusTip="create a new file", triggered=self.newFile)
self.newAct.setIcon(QIcon.fromTheme("gtk-new"))
self.openAct = QAction("&Open", self, shortcut=QKeySequence.Open,statusTip="open file", triggered=self.openFile)
self.openAct.setIcon(QIcon.fromTheme("gtk-open"))
self.importRTFAct = QAction(QIcon.fromTheme("gnome-mime-application-rtf"), "import RTF", self, statusTip="import RTF File", triggered=self.importRTF)
self.saveAct = QAction("&Save", self, shortcut=QKeySequence.Save,statusTip="save file", triggered=self.fileSave)
self.saveAct.setIcon(QIcon.fromTheme("gtk-save"))
self.saveAsAct = QAction("&Save as ...", self, shortcut=QKeySequence.SaveAs,statusTip="save file as ...", triggered=self.fileSaveAs)
self.saveAsAct.setIcon(QIcon.fromTheme("gtk-save-as"))
self.saveAsODFAct = QAction("&Save as OpenOffice Document", self, shortcut="Ctrl+Shift+e",statusTip="save file as OpenOffice Document", triggered=self.fileSaveAsODF)
self.saveAsODFAct.setIcon(QIcon.fromTheme("libreoffice-writer"))
self.pdfAct = QAction("export PDF", self, statusTip="save file as PDF", triggered=self.exportPDF)
self.pdfAct.setIcon(QIcon.fromTheme("application-pdf"))
### print preview
self.printPreviewAct = QAction("preview", self, shortcut=QKeySequence.Print,statusTip="Preview Document", triggered=self.handlePrintPreview)
self.printPreviewAct.setIcon(QIcon.fromTheme("gtk-print-preview"))
### print
self.printAct = QAction("print", self, shortcut=QKeySequence.Print,statusTip="Print Document", triggered=self.handlePrint)
self.printAct.setIcon(QIcon.fromTheme("gtk-print"))
### show in Browser
self.browserAct = QAction("preview in Browser", self, shortcut="F5",statusTip="preview in Browser", triggered=self.handleBrowser)
self.browserAct.setIcon(QIcon.fromTheme("browser"))
self.exitAct = QAction("Exit", self, shortcut=QKeySequence.Quit,statusTip="Exit", triggered=self.handleQuit)
self.exitAct.setIcon(QIcon.fromTheme("application-exit"))
self.repAllAct = QPushButton("replace all")
self.repAllAct.setIcon(QIcon.fromTheme("gtk-find-and-replace"))
self.repAllAct.setStatusTip("replace all")
self.repAllAct.clicked.connect(self.replaceAll)
self.bgAct = QAction(QIcon.fromTheme("preferences-color-symbolic"),"change Background Color", \
statusTip="change Background Color", triggered=self.changeBGColor)
def createToolbar(self):
### begin toolbar
self.file_tb = QToolBar(self)
self.file_tb.setWindowTitle("File Toolbar")
self.file_tb.addAction(self.newAct)
self.file_tb.addAction(self.openAct)
self.file_tb.addSeparator()
self.file_tb.addAction(self.saveAct)
self.file_tb.addAction(self.saveAsAct)
self.file_tb.addSeparator()
self.file_tb.addAction(self.saveAsODFAct)
self.file_tb.addSeparator()
self.file_tb.addAction(self.pdfAct)
self.file_tb.addSeparator()
self.file_tb.addAction(self.printPreviewAct)
self.file_tb.addAction(self.printAct)
self.file_tb.addSeparator()
self.file_tb.addAction(self.browserAct)
self.file_tb.addSeparator()
self.file_tb.addAction(QAction(QIcon.fromTheme('image'), "insert Image", self, statusTip="insert an image", triggered = self.insertImage))
### find / replace toolbar
self.edit_tb = QToolBar(self)
self.edit_tb.setWindowTitle("Find Toolbar")
self.findfield = QLineEdit()
self.findfield.addAction(QIcon.fromTheme("gtk-find"), 0)
self.findfield.setClearButtonEnabled(True)
self.findfield.setFixedWidth(200)
self.findfield.setPlaceholderText("find")
self.findfield.setStatusTip("press RETURN to find")
self.findfield.setText("")
self.findfield.returnPressed.connect(self.findText)
self.edit_tb.addWidget(self.findfield)
self.replacefield = QLineEdit()
self.replacefield.addAction(QIcon.fromTheme("gtk-find-and-replace"), 0)
self.replacefield.setClearButtonEnabled(True)
self.replacefield.setFixedWidth(200)
self.replacefield.setPlaceholderText("replace with")
self.replacefield.setStatusTip("press RETURN to replace the first")
self.replacefield.returnPressed.connect(self.replaceOne)
self.edit_tb.addSeparator()
self.edit_tb.addWidget(self.replacefield)
self.edit_tb.addSeparator()
self.edit_tb.addWidget(self.repAllAct)
self.edit_tb.addSeparator()
self.edit_tb.addAction(self.bgAct)
### Format Toolbar
self.format_tb = QToolBar(self)
self.format_tb.setWindowTitle("Format Toolbar")
self.actionTextBold = QAction(QIcon.fromTheme('format-text-bold-symbolic'), "&Bold", self, priority=QAction.LowPriority,
shortcut=Qt.CTRL + Qt.Key_B, triggered=self.textBold, checkable=True)
self.actionTextBold.setStatusTip("bold")
bold = QFont()
bold.setBold(True)
self.actionTextBold.setFont(bold)
self.format_tb.addAction(self.actionTextBold)
self.actionTextItalic = QAction(QIcon.fromTheme('format-text-italic-symbolic'), "&Italic", self, priority=QAction.LowPriority,
shortcut=Qt.CTRL + Qt.Key_I, triggered=self.textItalic, checkable=True)
italic = QFont()
italic.setItalic(True)
self.actionTextItalic.setFont(italic)
self.format_tb.addAction(self.actionTextItalic)
self.actionTextUnderline = QAction(QIcon.fromTheme('format-text-underline-symbolic'), "&Underline", self, priority=QAction.LowPriority,
shortcut=Qt.CTRL + Qt.Key_U, triggered=self.textUnderline, checkable=True)
underline = QFont()
underline.setUnderline(True)
self.actionTextUnderline.setFont(underline)
self.format_tb.addAction(self.actionTextUnderline)
self.format_tb.addSeparator()
self.grp = QActionGroup(self, triggered=self.textAlign)
if QApplication.isLeftToRight():
self.actionAlignLeft = QAction(QIcon.fromTheme('format-justify-left-symbolic'),"&Left", self.grp)
self.actionAlignCenter = QAction(QIcon.fromTheme('format-justify-center-symbolic'),"C&enter", self.grp)
self.actionAlignRight = QAction(QIcon.fromTheme('format-justify-right-symbolic'),"&Right", self.grp)
else:
self.actionAlignRight = QAction(QIcon.fromTheme('gtk-justify-right-symbolic'),"&Right", self.grp)
self.actionAlignCenter = QAction(QIcon.fromTheme('gtk-justify-center-symbolic'),"C&enter", self.grp)
self.actionAlignLeft = QAction(QIcon.fromTheme('format-justify-left-symbolic'),"&Left", self.grp)
self.actionAlignJustify = QAction(QIcon.fromTheme('format-justify-fill-symbolic'),"&Justify", self.grp)
self.actionAlignLeft.setShortcut(Qt.CTRL + Qt.Key_L)
self.actionAlignLeft.setCheckable(True)
self.actionAlignLeft.setPriority(QAction.LowPriority)
self.actionAlignCenter.setShortcut(Qt.CTRL + Qt.Key_E)
self.actionAlignCenter.setCheckable(True)
self.actionAlignCenter.setPriority(QAction.LowPriority)
self.actionAlignRight.setShortcut(Qt.CTRL + Qt.Key_R)
self.actionAlignRight.setCheckable(True)
self.actionAlignRight.setPriority(QAction.LowPriority)
self.actionAlignJustify.setShortcut(Qt.CTRL + Qt.Key_J)
self.actionAlignJustify.setCheckable(True)
self.actionAlignJustify.setPriority(QAction.LowPriority)
self.format_tb.addActions(self.grp.actions())
#self.indentAct = QAction(QIcon.fromTheme("format-indent-more-symbolic"), "indent more", self, triggered = self.indentLine, shortcut = "F8")
# self.indentLessAct = QAction(QIcon.fromTheme("format-indent-less-symbolic"), "indent less", self, triggered = self.indentLessLine, shortcut = "F9")
# self.format_tb.addAction(self.indentAct)
# self.format_tb.addAction(self.indentLessAct)
pix = QPixmap(16, 16)
pix.fill(Qt.black)
self.actionTextColor = QAction(QIcon(pix), "TextColor...", self,
triggered=self.textColor)
self.format_tb.addSeparator()
self.format_tb.addAction(self.actionTextColor)
self.font_tb = QToolBar(self)
self.font_tb.setAllowedAreas(Qt.TopToolBarArea | Qt.BottomToolBarArea)
self.font_tb.setWindowTitle("Font Toolbar")
self.comboStyle = QComboBox(self.font_tb)
self.font_tb.addWidget(self.comboStyle)
self.comboStyle.addItem("Standard")
self.comboStyle.addItem("Bullet List (Disc)")
self.comboStyle.addItem("Bullet List (Circle)")
self.comboStyle.addItem("Bullet List (Square)")
self.comboStyle.addItem("Ordered List (Decimal)")
self.comboStyle.addItem("Ordered List (Alpha lower)")
self.comboStyle.addItem("Ordered List (Alpha upper)")
self.comboStyle.addItem("Ordered List (Roman lower)")
self.comboStyle.addItem("Ordered List (Roman upper)")
self.comboStyle.activated.connect(self.textStyle)
self.comboFont = QFontComboBox(self.font_tb)
self.font_tb.addSeparator()
self.font_tb.addWidget(self.comboFont)
self.comboFont.activated[str].connect(self.textFamily)
self.comboSize = QComboBox(self.font_tb)
self.font_tb.addSeparator()
self.comboSize.setObjectName("comboSize")
self.font_tb.addWidget(self.comboSize)
self.comboSize.setEditable(True)
db = QFontDatabase()
for size in db.standardSizes():
self.comboSize.addItem("%s" % (size))
self.comboSize.addItem("%s" % (90))
self.comboSize.addItem("%s" % (100))
self.comboSize.addItem("%s" % (160))
self.comboSize.activated[str].connect(self.textSize)
self.comboSize.setCurrentIndex(
self.comboSize.findText(
"%s" % (QApplication.font().pointSize())))
self.addToolBar(self.file_tb)
self.addToolBar(self.format_tb)
# self.addToolBarBreak(Qt.TopToolBarArea)
self.addToolBar(self.font_tb)
def importRTF(self):
path, _ = QFileDialog.getOpenFileName(self, "Open File", QDir.homePath() + "/Documents/",
"RTF Files (*.rtf)")
if path:
inFile = QFile(path)
if path.endswith(".rtf"):
os.system("cd /tmp;libreoffice --headless --convert-to html '" + path + "'")
newfile = "/tmp/" + self.strippedName(path).replace(".rtf", ".html")
self.openFileOnStart(newfile)
self.statusBar().showMessage("File is in '/tmp' *** please use 'save as ...'")
def msgbox(self,title, message):
QMessageBox.warning(self, title, message)
def indentLine(self):
if not self.editor.textCursor().selectedText() == "":
ot = self.editor.textCursor().selection().toHtml()
self.msgbox("HTML", str(ot))
# self.editor.textCursor().insertText(tab)
# self.editor.textCursor().insertHtml(QTextDocumentFragment.toHtml(ot))
# self.setModified(True)
def indentLessLine(self):
if not self.editor.textCursor().selectedText() == "":
newline = u"\u2029"
list = []
ot = self.editor.textCursor().selectedText()
theList = ot.splitlines()
linecount = ot.count(newline)
for i in range(linecount + 1):
list.insert(i, (theList[i]).replace(tab, "", 1))
self.editor.textCursor().insertText(newline.join(list))
self.setModified(True)
def createMenubar(self):
bar=self.menuBar()
self.filemenu=bar.addMenu("File")
self.filemenu.addAction(QIcon.fromTheme("dialog-question"),"about PyEdit", self.about, shortcut = "Ctrl+i")
self.separatorAct = self.filemenu.addSeparator()
self.filemenu.addAction(self.newAct)
self.filemenu.addAction(self.openAct)
self.filemenu.addAction(self.importRTFAct)
self.filemenu.addAction(self.saveAct)
self.filemenu.addAction(self.saveAsAct)
self.filemenu.addSeparator()
self.filemenu.addAction(self.saveAsODFAct)
self.filemenu.addSeparator()
self.filemenu.addAction(QIcon.fromTheme("application-pdf"),"export PDF", self.exportPDF)
self.filemenu.addSeparator()
for i in range(self.MaxRecentFiles):
self.filemenu.addAction(self.recentFileActs[i])
self.updateRecentFileActions()
self.filemenu.addSeparator()
self.clearRecentAct = QAction("clear Recent Files List", self, triggered=self.clearRecentFiles)
self.clearRecentAct.setIcon(QIcon.fromTheme("edit-clear"))
self.filemenu.addAction(self.clearRecentAct)
self.filemenu.addSeparator()
self.filemenu.addAction(QAction(QIcon.fromTheme('html'), "get HTML (Document)", self, triggered = self.getHTML))
self.filemenu.addSeparator()
self.filemenu.addAction(self.exitAct)
# bar.setStyleSheet(myStyleSheet(self))
editmenu = bar.addMenu("Edit")
editmenu.addAction(QAction(QIcon.fromTheme('edit-undo'), "Undo", self, triggered = self.editor.undo, shortcut = "Ctrl+u"))
editmenu.addAction(QAction(QIcon.fromTheme('edit-redo'), "Redo", self, triggered = self.editor.redo, shortcut = "Shift+Ctrl+u"))
editmenu.addSeparator()
editmenu.addAction(QAction(QIcon.fromTheme('edit-copy'), "Copy", self, triggered = self.editor.copy, shortcut = QKeySequence.Copy))
editmenu.addAction(QAction(QIcon.fromTheme('edit-cut'), "Cut", self, triggered = self.editor.cut, shortcut = QKeySequence.Cut))
editmenu.addAction(QAction(QIcon.fromTheme('edit-paste'), "Paste", self, triggered = self.editor.paste, shortcut = QKeySequence.Paste))
editmenu.addAction(QAction(QIcon.fromTheme('edit-delete'), "Delete", self, triggered = self.editor.cut, shortcut = QKeySequence.Delete))
editmenu.addSeparator()
editmenu.addAction(QAction(QIcon.fromTheme('edit-select-all'), "Select All", self, triggered = self.editor.selectAll, shortcut = QKeySequence.SelectAll))
editmenu.addSeparator()
editmenu.addAction(QAction(QIcon.fromTheme('edit-copy'), "grab selected line", self, triggered = self.grabLine))
editmenu.addSeparator()
editmenu.addAction(QAction(QIcon.fromTheme('image'), "insert Image", self, triggered = self.insertImage))
editmenu.addSeparator()
editmenu.addAction(QAction(QIcon.fromTheme('input-tablet'), "insert Table (2 Column)", self, triggered = self.insertTable))
editmenu.addAction(QAction(QIcon.fromTheme('input-tablet'), "insert Table (3 Column)", self, triggered = self.insertTable3))
editmenu.addSeparator()
editmenu.addAction(QAction(QIcon.fromTheme('text-html'), "convert from HTML", self, triggered = self.convertfromHTML, shortcut ="F10"))
editmenu.addSeparator()
editmenu.addAction(QAction(QIcon.fromTheme('browser'), "insert Link", self, triggered = self.insertLink))
editmenu.addAction(QAction(QIcon.fromTheme('browser'), "edit Link", self, triggered = self.editLink))
editmenu.addSeparator()
editmenu.addAction(QAction(QIcon.fromTheme('input-tablet'), "edit body style", self, triggered = self.editBody))
editmenu.addSeparator()
editmenu.addAction(QAction(QIcon.fromTheme('input-tablet'), "edit HTML (selected Text)", self, triggered = self.editHTML))
editmenu.addSeparator()
editmenu.addAction(QAction(QIcon.fromTheme('stock_calendar'), "insert Date", self, triggered = self.insertDate))
editmenu.addAction(QAction(QIcon.fromTheme('stock_calendar'), "insert Time", self, triggered = self.insertTime))
editmenu.addAction(QAction(QIcon.fromTheme('stock_calendar'), "insert Date && Time", self, triggered = self.insertDateTime))
editmenu.addSeparator()
editmenu.addAction(self.bgAct)
self.formatMenu = QMenu("F&ormat", self)
self.formatMenu.addAction(self.actionTextBold)
self.formatMenu.addAction(self.actionTextItalic)
self.formatMenu.addAction(self.actionTextUnderline)
self.formatMenu.addSeparator()
self.formatMenu.addActions(self.grp.actions())
self.formatMenu.addSeparator()
self.formatMenu.addAction(self.actionTextColor)
bar.addMenu(self.formatMenu)
# Laying out...
layoutV = QVBoxLayout()
layoutV.addWidget(self.edit_tb)
layoutV.addWidget(self.editor)
### main window
mq = QWidget(self)
mq.setLayout(layoutV)
self.setCentralWidget(mq)
self.statusBar().showMessage("Welcome to RichTextEdit * " \
+ QSysInfo.prettyProductName() + " * " + \
QSysInfo.kernelVersion() + " * " + QSysInfo.machineHostName() + " * " + \
QSysInfo.currentCpuArchitecture() + " * " + QSysInfo.buildAbi())
# Event Filter ...
self.installEventFilter(self)
self.cursor = QTextCursor()
self.editor.setTextCursor(self.cursor)
self.editor.setPlainText(self.mainText)
self.editor.moveCursor(self.cursor.End)
self.editor.textCursor().deletePreviousChar()
self.editor.document().modificationChanged.connect(self.setWindowModified)
self.extra_selections = []
self.fname = ""
self.filename = ""
self.editor.setFocus()
self.setModified(False)
self.fontChanged(self.editor.font())
self.colorChanged(self.editor.textColor())
self.alignmentChanged(self.editor.alignment())
self.editor.document().modificationChanged.connect(
self.setWindowModified)
self.setWindowModified(self.editor.document().isModified())
self.editor.setAcceptRichText(True)
self.editor.currentCharFormatChanged.connect(
self.currentCharFormatChanged)
self.editor.cursorPositionChanged.connect(self.cursorPositionChanged)
# QApplication.clipboard().dataChanged.connect(self.clipboardDataChanged)
def insertDate(self):
import time
from datetime import date
today = date.today().strftime("%A, %d.%B %Y")
self.editor.textCursor().insertText(today)
def insertTime(self):
import time
from datetime import date
today = time.strftime("%H:%M Uhr")
self.editor.textCursor().insertText(today)
def insertDateTime(self):
self.insertDate()
self.editor.textCursor().insertText(eof)
self.insertTime()
self.editor.textCursor().insertText(eof)
def changeBGColor(self):
all = self.editor.document().toHtml()
bgcolor = all.partition("<body style=")[2].partition(">")[0].partition('bgcolor="')[2].partition('"')[0]
if not bgcolor == "":
col = QColorDialog.getColor(QColor(bgcolor), self)
if not col.isValid():
return
else:
colorname = col.name()
new = all.replace("bgcolor=" + '"' + bgcolor + '"', "bgcolor=" + '"' + colorname + '"')
self.editor.document().setHtml(new)
else:
col = QColorDialog.getColor(QColor("#FFFFFF"), self)
if not col.isValid():
return
else:
all = self.editor.document().toHtml()
body = all.partition("<body style=")[2].partition(">")[0]
newbody = body + "bgcolor=" + '"' + col.name() + '"'
new = all.replace(body, newbody)
self.editor.document().setHtml(new)
def getHTML(self):
all = self.editor.document().toHtml()
clipboard = QApplication.clipboard()
clipboard.setText(all)
self.statusBar().showMessage("HTML is in clipboard")
def editHTML(self):
all = self.editor.textCursor().selection().toHtml()
dlg = QInputDialog(self, Qt.Window)
dlg.setGeometry(50, 50, 700, 400)
dlg.setOption(QInputDialog.UsePlainTextEditForTextInput)
new, ok = dlg.getMultiLineText(self, 'change HTML', "edit HTML", all)
if ok:
self.editor.textCursor().insertHtml(new)
self.statusBar().showMessage("HTML changed")
else:
self.statusBar().showMessage("HTML not changed")
def editBody(self):
all = self.editor.document().toHtml()
body = all.partition("<body style=")[2].partition(">")[0]
dlg = QInputDialog()
mybody, ok = dlg.getText(self, 'change body style', "", QLineEdit.Normal, body, Qt.Dialog)
if ok:
new = all.replace(body, mybody)
self.editor.document().setHtml(new)
self.statusBar().showMessage("body style changed")
else:
self.statusBar().showMessage("body style not changed")
def insertTable(self):
self.editor.append(tableheader2)
def insertTable3(self):
self.editor.append(tableheader3)
def handleBrowser(self):
if self.editor.toPlainText() == "":
self.statusBar().showMessage("no text")
else:
if not self.editor.document().isModified() == True:
webbrowser.open(self.filename, new=0, autoraise=True)
else:
myfilename = "/tmp/browser.html"
writer = QTextDocumentWriter(myfilename)
success = writer.write(self.editor.document())
if success:
webbrowser.open(myfilename, new=0, autoraise=True)
return success
def contextMenuRequested(self,point):
cmenu = QMenu()
cmenu = self.editor.createStandardContextMenu()
cmenu.addSeparator()
cmenu.addAction(QAction(QIcon.fromTheme('edit-copy'), "grab this line", self, triggered = self.grabLine))
cmenu.addSeparator()
cmenu.addAction(QAction(QIcon.fromTheme('image-x-generic'), "insert Image", self, triggered = self.insertImage))
cmenu.addSeparator()
cmenu.addAction(QAction(QIcon.fromTheme('input-tablet'), "insert Table (2 Column)", self, triggered = self.insertTable))
cmenu.addAction(QAction(QIcon.fromTheme('input-tablet'), "insert Table (3 Column)", self, triggered = self.insertTable3))#
cmenu.addSeparator()
cmenu.addAction(QAction(QIcon.fromTheme('text-html'), "convert from HTML", self, triggered = self.convertfromHTML))
cmenu.addSeparator()
cmenu.addAction(QAction(QIcon.fromTheme('text-plain'), "convert to Text", self, triggered = self.convertToHTML))
cmenu.addSeparator()
cmenu.addAction(QAction(QIcon.fromTheme('browser'), "insert Link", self, triggered = self.insertLink))
cmenu.addAction(QAction(QIcon.fromTheme('browser'), "edit Link", self, triggered = self.editLink))
cmenu.addSeparator()
cmenu.addAction(QAction(QIcon.fromTheme('input-tablet'), "edit HTML (selected Text)", self, triggered = self.editHTML))
cmenu.addSeparator()
cmenu.addAction(self.bgAct)
cmenu.exec_(self.editor.mapToGlobal(point))
def editLink(self):
if not self.editor.textCursor().selectedText() == "":
mt = self.editor.textCursor().selectedText()
mytext = QTextDocumentFragment.toHtml(self.editor.textCursor().selection())
myurl = mytext.partition('<a href="')[2].partition('">')[0]
dlg = QInputDialog()
dlg.setOkButtonText("Change")
mylink, ok = dlg.getText(self, 'change URL', "", QLineEdit.Normal, str(myurl), Qt.Dialog)
if ok:
if mylink.startswith("http"):
self.editor.textCursor().insertHtml("<a href='" + mylink + "' target='_blank'>" + mt + "</a>")
self.statusBar().showMessage("link added")
else:
self.statusBar().showMessage("this is no link")
else:
self.statusBar().showMessage("not changed")
else:
self.statusBar().showMessage("no text selected")
def insertLink(self):
if not self.editor.textCursor().selectedText() == "":
mytext = self.editor.textCursor().selectedText()
dlg = QInputDialog()
mylink, ok = dlg.getText(self, 'insert URL', "", QLineEdit.Normal, "", Qt.Dialog)
if ok:
if str(mylink).startswith("http"):
self.editor.textCursor().insertHtml("<a href='" + mylink + "' target='_blank'>" + mytext + "</a>")
self.statusBar().showMessage("link added")
else:
self.statusBar().showMessage("this is no link")
else:
self.statusBar().showMessage("no link added")
else:
self.statusBar().showMessage("no text selected")
def convertfromHTML(self):
oldtext = self.editor.textCursor().selectedText()
self.editor.textCursor().insertHtml(oldtext)
self.statusBar().showMessage("converted to html")
def convertToHTML(self):
oldtext = QTextDocumentFragment.fromHtml(self.editor.textCursor().selectedText())
self.editor.textCursor().insertText(oldtext.toPlainText())
self.statusBar().showMessage("converted to plain text")
def insertImage(self):
path, _ = QFileDialog.getOpenFileName(self, "Open File", QDir.homePath() + "/Pictures/",
"Images (*.png *.PNG *.jpg *.JPG *.bmp *.BMP *.xpm *.gif *.eps)")
if path:
#self.editor.append("<img src='" + path + "'/>")
self.editor.textCursor().insertImage("file://" + path)
self.statusBar().showMessage("'" + path + "' inserted")
else:
self.statusBar().showMessage("no image")
def grabLine(self):
text = self.editor.textCursor().block().text()
clipboard = QApplication.clipboard()
clipboard.setText(text)
def about(self):
link = "<p><a title='Axel Schneider' href='http://goodoldsongs.jimdo.com' target='_blank'>Axel Schneider</a></p>"
title = "about RichTextEdit"
message = "<span style='color: #1F9CDD; font-size: 24pt;font-weight: bold;'\
>RichTextEdit 1.0</strong></span></p><br>created by<h3>" + link + "</h3> with PyQt5<br>" \
+ "<br>Copyright © 2017 The Qt Company Ltd and other contributors." \
+ "<br>Qt and the Qt logo are trademarks of The Qt Company Ltd."
msg = QMessageBox(QMessageBox.Information, title, message, QMessageBox.NoButton, self, Qt.Dialog|Qt.NoDropShadowWindowHint).show()
def createActions(self):
for i in range(self.MaxRecentFiles):
self.recentFileActs.append(
QAction(self, visible=False,
triggered=self.openRecentFile))
def openRecentFile(self):
action = self.sender()
if action:
if (self.maybeSave()):
self.openFileOnStart(action.data())
### New File
def newFile(self):
if self.maybeSave():
self.editor.clear()
self.editor.setPlainText(self.mainText)
self.filename = ""
self.editor.moveCursor(self.cursor.End)
self.editor.textCursor().deletePreviousChar()
self.setWindowTitle("New[*]")
self.setModified(False)
### open File
def openFileOnStart(self, path=None):
if path:
inFile = QFile(path)
if inFile.open(QFile.ReadWrite | QFile.Text):
data = inFile.readAll()
codec = QTextCodec.codecForHtml(data)
unistr = codec.toUnicode(data)
if Qt.mightBeRichText(unistr):
self.editor.setHtml(unistr)
else:
self.editor.setPlainText(unistr)
self.filename = path
self.setModified(False)
self.fname = QFileInfo(path).fileName()
self.document = self.editor.document()
self.setCurrentFile(path)
self.statusBar().showMessage("loaded file '" + path + "'")
### open File
def openFile(self, path=None):
if self.maybeSave():
if not path:
path, _ = QFileDialog.getOpenFileName(self, "Open File", QDir.homePath() + "/Documents/",
"RichText Files (*.htm *.html);; Text Files (*.txt *.csv *.py);;All Files (*.*)")
if path:
inFile = QFile(path)
self.openFileOnStart(path)
def exportPDF(self):
if self.editor.toPlainText() == "":
self.statusBar().showMessage("no text")
else:
newname = self.strippedName(self.filename).replace(".html", ".pdf")
fn, _ = QFileDialog.getSaveFileName(self,
"PDF files (*.pdf);;All Files (*)", (QDir.homePath() + "/PDF/" + newname))
printer = QtPrintSupport.QPrinter(QtPrintSupport.QPrinter.HighResolution)
printer.setOutputFormat(QtPrintSupport.QPrinter.PdfFormat)
printer.setOutputFileName(fn)
self.editor.document().print_(printer)
### save
def fileSave(self):
if not self.filename:
return self.fileSaveAs()
if self.isModified():
writer = QTextDocumentWriter(self.filename)
success = writer.write(self.editor.document())
if success:
self.editor.document().setModified(False)
self.setCurrentFile(self.filename)
self.statusBar().showMessage("saved file '" + self.filename + "'")
return success
else:
self.statusBar().showMessage("already saved")
def fileSaveODF(self, fn):
writer = QTextDocumentWriter(fn)
# writer.setFormat("ODF")
success = writer.write(self.editor.document())
if success:
self.statusBar().showMessage("saved file '" + fn + "'")
return success
def fileSaveAs(self):
if self.editor.toPlainText() == "":
self.statusBar().showMessage("no text")
else:
fn, _ = QFileDialog.getSaveFileName(self, "Save as...", self.filename,
"HTML-Files (*.html *.htm)")
if not fn:
return False
lfn = fn.lower()
if not lfn.endswith(('.htm', '.html')):
fn += '.html'
self.filename = fn
return self.fileSave()
def fileSaveAsODF(self):
if self.editor.toPlainText() == "":
self.statusBar().showMessage("no text")
else:
fn, _ = QFileDialog.getSaveFileName(self, "Save as...", self.strippedName(self.filename).replace(".html",""),
"OpenOffice-Files (*.odt)")
if not fn:
return False
lfn = fn.lower()
if not lfn.endswith(('.odt')):
fn += '.odt'
return self.fileSaveODF(fn)
def closeEvent(self, e):
if self.maybeSave():
e.accept()
else:
e.ignore()
### ask to save
def maybeSave(self):
if not self.isModified():
return True
if self.filename.startswith(':/'):
return True
ret = QMessageBox.question(self, "Message",
"<h4><p>The document was modified.</p>\n" \
"<p>Do you want to save changes?</p></h4>",
QMessageBox.Yes | QMessageBox.Discard | QMessageBox.Cancel)
if ret == QMessageBox.Yes:
if self.filename == "":
self.fileSaveAs()
return False
else:
self.fileSave()
return True
if ret == QMessageBox.Cancel:
return False
return True
def findText(self):
word = self.findfield.text()
if self.editor.find(word):
return
else:
self.editor.moveCursor(QTextCursor.Start)
if self.editor.find(word):
return
def handleQuit(self):
print("Goodbye ...")
app.quit()
def document(self):
return self.editor.document
def isModified(self):
return self.editor.document().isModified()
def setModified(self, modified):
self.editor.document().setModified(modified)
def setLineWrapMode(self, mode):
self.editor.setLineWrapMode(mode)
def clear(self):
self.editor.clear()
def setPlainText(self, *args, **kwargs):
self.editor.setPlainText(*args, **kwargs)
def setDocumentTitle(self, *args, **kwargs):
self.editor.setDocumentTitle(*args, **kwargs)
def set_number_bar_visible(self, value):
self.numbers.setVisible(value)
def replaceAll(self):
oldtext = self.findfield.text()
newtext = self.replacefield.text()
if not oldtext == "":
h = self.editor.toHtml().replace(oldtext, newtext)
self.editor.setText(h)
self.setModified(True)
self.statusBar().showMessage("all replaced")
else:
self.statusBar().showMessage("nothing to replace")
def replaceOne(self):
oldtext = self.findfield.text()
newtext = self.replacefield.text()
if not oldtext == "":
h = self.editor.toHtml().replace(oldtext, newtext, 1)
self.editor.setText(h)
self.setModified(True)
self.statusBar().showMessage("one replaced")
else:
self.statusBar().showMessage("nothing to replace")
def setCurrentFile(self, fileName):
self.filename = fileName
if self.filename:
self.setWindowTitle(self.strippedName(self.filename) + "[*]")
else:
self.setWindowTitle("no File")
files = self.settings.value('recentFileList', [])
try:
files.remove(fileName)
except ValueError:
pass
files.insert(0, fileName)
del files[self.MaxRecentFiles:]
self.settings.setValue('recentFileList', files)
for widget in QApplication.topLevelWidgets():
if isinstance(widget, myEditor):
widget.updateRecentFileActions()
def updateRecentFileActions(self):
mytext = ""
files = self.settings.value('recentFileList', [])
numRecentFiles = min(len(files), self.MaxRecentFiles)
for i in range(numRecentFiles):
text = "&%d %s" % (i + 1, self.strippedName(files[i]))
self.recentFileActs[i].setText(text)
self.recentFileActs[i].setData(files[i])
self.recentFileActs[i].setVisible(True)
self.recentFileActs[i].setIcon(QIcon.fromTheme("gnome-mime-text-x"))
for j in range(numRecentFiles, self.MaxRecentFiles):
self.recentFileActs[j].setVisible(False)
self.separatorAct.setVisible((numRecentFiles > 0))
def clearRecentFiles(self, fileName):
self.settings.clear()
self.updateRecentFileActions()
def strippedName(self, fullFileName):
return QFileInfo(fullFileName).fileName()
def textBold(self):
fmt = QTextCharFormat()
fmt.setFontWeight(self.actionTextBold.isChecked() and QFont.Bold or QFont.Normal)
self.mergeFormatOnWordOrSelection(fmt)
def textUnderline(self):
fmt = QTextCharFormat()
fmt.setFontUnderline(self.actionTextUnderline.isChecked())
self.mergeFormatOnWordOrSelection(fmt)
def textItalic(self):
fmt = QTextCharFormat()
fmt.setFontItalic(self.actionTextItalic.isChecked())
self.mergeFormatOnWordOrSelection(fmt)
def textFamily(self, family):
fmt = QTextCharFormat()
fmt.setFontFamily(family)
self.mergeFormatOnWordOrSelection(fmt)
def textSize(self, pointSize):
pointSize = float(self.comboSize.currentText())
if pointSize > 0:
fmt = QTextCharFormat()
fmt.setFontPointSize(pointSize)
self.mergeFormatOnWordOrSelection(fmt)
def textStyle(self, styleIndex):
cursor = self.editor.textCursor()
if styleIndex:
styleDict = {
1: QTextListFormat.ListDisc,
2: QTextListFormat.ListCircle,
3: QTextListFormat.ListSquare,
4: QTextListFormat.ListDecimal,
5: QTextListFormat.ListLowerAlpha,
6: QTextListFormat.ListUpperAlpha,
7: QTextListFormat.ListLowerRoman,
8: QTextListFormat.ListUpperRoman,
}
style = styleDict.get(styleIndex, QTextListFormat.ListDisc)
cursor.beginEditBlock()
blockFmt = cursor.blockFormat()
listFmt = QTextListFormat()
if cursor.currentList():
listFmt = cursor.currentList().format()
else:
listFmt.setIndent(1)
blockFmt.setIndent(0)
cursor.setBlockFormat(blockFmt)
listFmt.setStyle(style)
cursor.createList(listFmt)
cursor.endEditBlock()
else:
bfmt = QTextBlockFormat()
bfmt.setObjectIndex(-1)
cursor.mergeBlockFormat(bfmt)
def textColor(self):
col = QColorDialog.getColor(self.editor.textColor(), self)
if not col.isValid():
return
fmt = QTextCharFormat()
fmt.setForeground(col)
self.mergeFormatOnWordOrSelection(fmt)
self.colorChanged(col)
def textAlign(self, action):
if action == self.actionAlignLeft:
self.editor.setAlignment(Qt.AlignLeft | Qt.AlignAbsolute)
elif action == self.actionAlignCenter:
self.editor.setAlignment(Qt.AlignHCenter)
elif action == self.actionAlignRight:
self.editor.setAlignment(Qt.AlignRight | Qt.AlignAbsolute)
elif action == self.actionAlignJustify:
self.editor.setAlignment(Qt.AlignJustify)
def currentCharFormatChanged(self, format):
self.fontChanged(format.font())
self.colorChanged(format.foreground().color())
def cursorPositionChanged(self):
self.alignmentChanged(self.editor.alignment())
def clipboardDataChanged(self):
self.actionPaste.setEnabled(len(QApplication.clipboard().text()) != 0)
def mergeFormatOnWordOrSelection(self, format):
cursor = self.editor.textCursor()
if not cursor.hasSelection():
cursor.select(QTextCursor.WordUnderCursor)
cursor.mergeCharFormat(format)
self.editor.mergeCurrentCharFormat(format)
def fontChanged(self, font):
self.comboFont.setCurrentIndex(
self.comboFont.findText(QFontInfo(font).family()))
self.comboSize.setCurrentIndex(
self.comboSize.findText("%s" % font.pointSize()))
self.actionTextBold.setChecked(font.bold())
self.actionTextItalic.setChecked(font.italic())
self.actionTextUnderline.setChecked(font.underline())
def colorChanged(self, color):
pix = QPixmap(26, 20)
pix.fill(color)
self.actionTextColor.setIcon(QIcon(pix))
def alignmentChanged(self, alignment):
if alignment & Qt.AlignLeft:
self.actionAlignLeft.setChecked(True)
elif alignment & Qt.AlignHCenter:
self.actionAlignCenter.setChecked(True)
elif alignment & Qt.AlignRight:
self.actionAlignRight.setChecked(True)
elif alignment & Qt.AlignJustify:
self.actionAlignJustify.setChecked(True)
def handlePrint(self):
if self.editor.toPlainText() == "":
self.statusBar().showMessage("no text")
else:
dialog = QtPrintSupport.QPrintDialog()
if dialog.exec_() == QDialog.Accepted:
self.handlePaintRequest(dialog.printer())
self.statusBar().showMessage("Document printed")
def handlePrintPreview(self):
if self.editor.toPlainText() == "":
self.statusBar().showMessage("no text")
else:
dialog = QtPrintSupport.QPrintPreviewDialog()
dialog.setGeometry(30, 0, self.width() - 60, self.height() - 60)
dialog.paintRequested.connect(self.handlePaintRequest)
dialog.exec_()
self.statusBar().showMessage("Print Preview closed")
def handlePaintRequest(self, printer):
printer.setDocName(self.filename)
document = self.editor.document()
document.print_(printer)
def myStyleSheet(self):
return """
QTextEdit
{
background: #fafafa;
color: #202020;
border: 1px solid #1EAE3D;
selection-background-color: #729fcf;
selection-color: #ffffff;
}
"""
if __name__ == '__main__':
app = QApplication(sys.argv)
win = myEditor()
win.setWindowIcon(QIcon.fromTheme("gnome-mime-application-rtf"))
win.setWindowTitle("RichTextEdit" + "[*]")
win.setMinimumSize(640,250)
win.showMaximized()
if len(sys.argv) > 1:
print(sys.argv[1])
win.openFileOnStart(sys.argv[1])
app.exec_()