def initUI(self):
"""Initialize the UI - create widgets, set their pars, etc."""
self.window = QtWidgets.QWidget(self)
self.splitter = QtWidgets.QSplitter()
self.initToolbar()
self.initMenu()
self.shortcutFindNext = QtWidgets.QShortcut(QtGui.QKeySequence('F3'),
self)
self.shortcutFindNext.activated.connect(self.searchNext)
self.text = MyQTextEdit(self)
self.text.setAcceptRichText(False)
self.text.setFont(
QtGui.QFont(
QtGui.QFontDatabase.systemFont(QtGui.QFontDatabase.FixedFont)))
self.text.textChanged.connect(self.setTitle)
self.web = QWebEngineView(self)
self.web.settings().setAttribute(
QWebEngineSettings.FocusOnNavigationEnabled, False)
self.page = MyWebEnginePage()
self.web.setPage(self.page)
self.web.loadFinished.connect(self.webLoadFinished)
self.highlighter = MarkdownHighlighter(self.text)
self.setCentralWidget(self.window)
self.setWindowTitle("Markdown Diary")
self.stack = QtWidgets.QStackedWidget()
self.stack.addWidget(self.text)
self.stack.addWidget(self.web)
self.tree = QtWidgets.QTreeWidget()
self.tree.setUniformRowHeights(True)
self.tree.setColumnCount(3)
self.tree.setHeaderLabels(["Id", "Date", "Title"])
self.tree.setColumnHidden(0, True)
self.tree.setSortingEnabled(True)
self.tree.sortByColumn(1, QtCore.Qt.DescendingOrder)
self.tree.itemSelectionChanged.connect(self.itemSelectionChanged)
self.tree.itemChanged.connect(self.itemChanged)
self.tree.itemDoubleClicked.connect(self.itemDoubleClicked)
# Disable editing for the 'title' column
self.tree.setItemDelegateForColumn(2, DummyItemDelegate())
self.splitter.addWidget(self.stack)
self.splitter.addWidget(self.tree)
layout = QtWidgets.QHBoxLayout()
layout.addWidget(self.splitter)
self.window.setLayout(layout)
def __init__(self, parent=None):
QMainWindow.__init__(self, parent)
self.resize(800, 600)
screen = QDesktopWidget().screenGeometry()
size = self.geometry()
self.move((screen.width()-size.width())/2, (screen.height()-size.height())/2)
self.setWindowTitle(self.tr('New document') + '[*] ')
self.setWindowIcon(QIcon.fromTheme('accessories-text-editor'))
self.tedit = QTextEdit(self)
self.tedit.setFont(monofont)
self.setCentralWidget(self.tedit)
self.fileName = None
self.highlighter = MarkdownHighlighter(self.tedit)
self.toolBar = QToolBar(self.tr('File toolbar'), self)
self.addToolBar(Qt.TopToolBarArea, self.toolBar)
self.editBar = QToolBar(self.tr('Edit toolbar'), self)
self.addToolBar(Qt.TopToolBarArea, self.editBar)
self.actionNew = QAction(self.actIcon('document-new'), self.tr('New'), self)
self.actionNew.setShortcut(QKeySequence.New)
self.actionNew.setPriority(QAction.LowPriority)
self.connect(self.actionNew, SIGNAL('triggered()'), self.createNew)
self.actionOpen = QAction(self.actIcon('document-open'), self.tr('Open'), self)
self.actionOpen.setShortcut(QKeySequence.Open)
self.actionOpen.setPriority(QAction.LowPriority)
self.connect(self.actionOpen, SIGNAL('triggered()'), self.openFile)
self.actionSave = QAction(self.actIcon('document-save'), self.tr('Save'), self)
self.actionSave.setEnabled(False)
self.actionSave.setShortcut(QKeySequence.Save)
self.actionSave.setPriority(QAction.LowPriority)
self.connect(self.actionSave, SIGNAL('triggered()'), self.saveFile)
self.actionSaveAs = QAction(self.actIcon('document-save-as'), self.tr('Save as'), self)
self.actionSaveAs.setShortcut(QKeySequence.SaveAs)
self.connect(self.actionSaveAs, SIGNAL('triggered()'), self.saveFileAs)
self.actionQuit = QAction(self.actIcon('application-exit'), self.tr('Quit'), self)
self.actionQuit.setShortcut(QKeySequence.Quit)
self.actionQuit.setMenuRole(QAction.QuitRole)
self.connect(self.actionQuit, SIGNAL('triggered()'), qApp, SLOT('quit()'))
self.actionUndo = QAction(self.actIcon('edit-undo'), self.tr('Undo'), self)
self.actionUndo.setShortcut(QKeySequence.Undo)
self.actionUndo.setEnabled(False)
self.actionRedo = QAction(self.actIcon('edit-redo'), self.tr('Redo'), self)
self.actionRedo.setShortcut(QKeySequence.Redo)
self.actionRedo.setEnabled(False)
self.actionCopy = QAction(self.actIcon('edit-copy'), self.tr('Copy'), self)
self.actionCopy.setShortcut(QKeySequence.Copy)
self.actionCopy.setEnabled(False)
self.actionCut = QAction(self.actIcon('edit-cut'), self.tr('Cut'), self)
self.actionCut.setShortcut(QKeySequence.Cut)
self.actionCut.setEnabled(False)
self.actionPaste = QAction(self.actIcon('edit-paste'), self.tr('Paste'), self)
self.actionPaste.setShortcut(QKeySequence.Paste)
self.connect(self.actionUndo, SIGNAL('triggered()'), \
lambda: self.tedit.undo())
self.connect(self.actionRedo, SIGNAL('triggered()'), \
lambda: self.tedit.redo())
self.connect(self.actionCut, SIGNAL('triggered()'), \
lambda: self.tedit.cut())
self.connect(self.actionCopy, SIGNAL('triggered()'), \
lambda: self.tedit.copy())
self.connect(self.actionPaste, SIGNAL('triggered()'), \
lambda: self.tedit.paste())
self.connect(self.tedit, SIGNAL('undoAvailable(bool)'), self.actionUndo, SLOT('setEnabled(bool)'))
self.connect(self.tedit, SIGNAL('redoAvailable(bool)'), self.actionRedo, SLOT('setEnabled(bool)'))
self.connect(self.tedit, SIGNAL('copyAvailable(bool)'), self.enableCopy)
self.connect(self.tedit.document(), SIGNAL('modificationChanged(bool)'), self.modificationChanged)
self.connect(qApp.clipboard(), SIGNAL('dataChanged()'), self.clipboardDataChanged)
self.clipboardDataChanged()
self.actionAbout = QAction(self.actIcon('help-about'), self.tr('About %1').arg(app_name), self)
self.actionAbout.setMenuRole(QAction.AboutRole)
self.connect(self.actionAbout, SIGNAL('triggered()'), self.aboutDialog)
self.actionAboutQt = QAction(self.tr('About Qt'), self)
self.actionAboutQt.setMenuRole(QAction.AboutQtRole)
self.connect(self.actionAboutQt, SIGNAL('triggered()'), qApp, SLOT('aboutQt()'))
self.themeBox = QComboBox(self.editBar)
themestr = open('theme.json','r').read()
self.themes = json.loads(themestr)
self.themes["default"] = self.highlighter.defaultTheme
self.themeBox.addItems(self.themes.keys())
self.connect(self.themeBox, SIGNAL('currentIndexChanged(QString)'), self.changeTheme)
self.menubar = QMenuBar(self)
self.menubar.setGeometry(QRect(0, 0, 800, 25))
self.setMenuBar(self.menubar)
self.menuFile = self.menubar.addMenu(self.tr('File'))
self.menuEdit = self.menubar.addMenu(self.tr('Edit'))
self.menuHelp = self.menubar.addMenu(self.tr('Help'))
self.menuFile.addAction(self.actionNew)
self.menuFile.addAction(self.actionOpen)
self.menuFile.addSeparator()
self.menuFile.addAction(self.actionSave)
self.menuFile.addAction(self.actionSaveAs)
self.menuFile.addSeparator()
self.menuFile.addAction(self.actionQuit)
self.menuEdit.addAction(self.actionUndo)
self.menuEdit.addAction(self.actionRedo)
self.menuEdit.addSeparator()
self.menuEdit.addAction(self.actionCut)
self.menuEdit.addAction(self.actionCopy)
self.menuEdit.addAction(self.actionPaste)
self.menuEdit.addSeparator()
self.menuHelp.addAction(self.actionAbout)
self.menuHelp.addAction(self.actionAboutQt)
self.menubar.addMenu(self.menuFile)
self.menubar.addMenu(self.menuEdit)
self.menubar.addMenu(self.menuHelp)
self.toolBar.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
self.toolBar.addAction(self.actionNew)
self.toolBar.addSeparator()
self.toolBar.addAction(self.actionOpen)
self.toolBar.addAction(self.actionSave)
self.toolBar.addSeparator()
self.editBar.addAction(self.actionUndo)
self.editBar.addAction(self.actionRedo)
self.editBar.addSeparator()
self.editBar.addAction(self.actionCut)
self.editBar.addAction(self.actionCopy)
self.editBar.addAction(self.actionPaste)
self.editBar.addSeparator()
self.editBar.addWidget(QLabel(self.tr('Select theme ')))
self.editBar.addWidget(self.themeBox)
class MarkdownWindow(QMainWindow):
def __init__(self, parent=None):
QMainWindow.__init__(self, parent)
self.resize(800, 600)
screen = QDesktopWidget().screenGeometry()
size = self.geometry()
self.move((screen.width()-size.width())/2, (screen.height()-size.height())/2)
self.setWindowTitle(self.tr('New document') + '[*] ')
self.setWindowIcon(QIcon.fromTheme('accessories-text-editor'))
self.tedit = QTextEdit(self)
self.tedit.setFont(monofont)
self.setCentralWidget(self.tedit)
self.fileName = None
self.highlighter = MarkdownHighlighter(self.tedit)
self.toolBar = QToolBar(self.tr('File toolbar'), self)
self.addToolBar(Qt.TopToolBarArea, self.toolBar)
self.editBar = QToolBar(self.tr('Edit toolbar'), self)
self.addToolBar(Qt.TopToolBarArea, self.editBar)
self.actionNew = QAction(self.actIcon('document-new'), self.tr('New'), self)
self.actionNew.setShortcut(QKeySequence.New)
self.actionNew.setPriority(QAction.LowPriority)
self.connect(self.actionNew, SIGNAL('triggered()'), self.createNew)
self.actionOpen = QAction(self.actIcon('document-open'), self.tr('Open'), self)
self.actionOpen.setShortcut(QKeySequence.Open)
self.actionOpen.setPriority(QAction.LowPriority)
self.connect(self.actionOpen, SIGNAL('triggered()'), self.openFile)
self.actionSave = QAction(self.actIcon('document-save'), self.tr('Save'), self)
self.actionSave.setEnabled(False)
self.actionSave.setShortcut(QKeySequence.Save)
self.actionSave.setPriority(QAction.LowPriority)
self.connect(self.actionSave, SIGNAL('triggered()'), self.saveFile)
self.actionSaveAs = QAction(self.actIcon('document-save-as'), self.tr('Save as'), self)
self.actionSaveAs.setShortcut(QKeySequence.SaveAs)
self.connect(self.actionSaveAs, SIGNAL('triggered()'), self.saveFileAs)
self.actionQuit = QAction(self.actIcon('application-exit'), self.tr('Quit'), self)
self.actionQuit.setShortcut(QKeySequence.Quit)
self.actionQuit.setMenuRole(QAction.QuitRole)
self.connect(self.actionQuit, SIGNAL('triggered()'), qApp, SLOT('quit()'))
self.actionUndo = QAction(self.actIcon('edit-undo'), self.tr('Undo'), self)
self.actionUndo.setShortcut(QKeySequence.Undo)
self.actionUndo.setEnabled(False)
self.actionRedo = QAction(self.actIcon('edit-redo'), self.tr('Redo'), self)
self.actionRedo.setShortcut(QKeySequence.Redo)
self.actionRedo.setEnabled(False)
self.actionCopy = QAction(self.actIcon('edit-copy'), self.tr('Copy'), self)
self.actionCopy.setShortcut(QKeySequence.Copy)
self.actionCopy.setEnabled(False)
self.actionCut = QAction(self.actIcon('edit-cut'), self.tr('Cut'), self)
self.actionCut.setShortcut(QKeySequence.Cut)
self.actionCut.setEnabled(False)
self.actionPaste = QAction(self.actIcon('edit-paste'), self.tr('Paste'), self)
self.actionPaste.setShortcut(QKeySequence.Paste)
self.connect(self.actionUndo, SIGNAL('triggered()'), \
lambda: self.tedit.undo())
self.connect(self.actionRedo, SIGNAL('triggered()'), \
lambda: self.tedit.redo())
self.connect(self.actionCut, SIGNAL('triggered()'), \
lambda: self.tedit.cut())
self.connect(self.actionCopy, SIGNAL('triggered()'), \
lambda: self.tedit.copy())
self.connect(self.actionPaste, SIGNAL('triggered()'), \
lambda: self.tedit.paste())
self.connect(self.tedit, SIGNAL('undoAvailable(bool)'), self.actionUndo, SLOT('setEnabled(bool)'))
self.connect(self.tedit, SIGNAL('redoAvailable(bool)'), self.actionRedo, SLOT('setEnabled(bool)'))
self.connect(self.tedit, SIGNAL('copyAvailable(bool)'), self.enableCopy)
self.connect(self.tedit.document(), SIGNAL('modificationChanged(bool)'), self.modificationChanged)
self.connect(qApp.clipboard(), SIGNAL('dataChanged()'), self.clipboardDataChanged)
self.clipboardDataChanged()
self.actionAbout = QAction(self.actIcon('help-about'), self.tr('About %1').arg(app_name), self)
self.actionAbout.setMenuRole(QAction.AboutRole)
self.connect(self.actionAbout, SIGNAL('triggered()'), self.aboutDialog)
self.actionAboutQt = QAction(self.tr('About Qt'), self)
self.actionAboutQt.setMenuRole(QAction.AboutQtRole)
self.connect(self.actionAboutQt, SIGNAL('triggered()'), qApp, SLOT('aboutQt()'))
self.themeBox = QComboBox(self.editBar)
themestr = open('theme.json','r').read()
self.themes = json.loads(themestr)
self.themes["default"] = self.highlighter.defaultTheme
self.themeBox.addItems(self.themes.keys())
self.connect(self.themeBox, SIGNAL('currentIndexChanged(QString)'), self.changeTheme)
self.menubar = QMenuBar(self)
self.menubar.setGeometry(QRect(0, 0, 800, 25))
self.setMenuBar(self.menubar)
self.menuFile = self.menubar.addMenu(self.tr('File'))
self.menuEdit = self.menubar.addMenu(self.tr('Edit'))
self.menuHelp = self.menubar.addMenu(self.tr('Help'))
self.menuFile.addAction(self.actionNew)
self.menuFile.addAction(self.actionOpen)
self.menuFile.addSeparator()
self.menuFile.addAction(self.actionSave)
self.menuFile.addAction(self.actionSaveAs)
self.menuFile.addSeparator()
self.menuFile.addAction(self.actionQuit)
self.menuEdit.addAction(self.actionUndo)
self.menuEdit.addAction(self.actionRedo)
self.menuEdit.addSeparator()
self.menuEdit.addAction(self.actionCut)
self.menuEdit.addAction(self.actionCopy)
self.menuEdit.addAction(self.actionPaste)
self.menuEdit.addSeparator()
self.menuHelp.addAction(self.actionAbout)
self.menuHelp.addAction(self.actionAboutQt)
self.menubar.addMenu(self.menuFile)
self.menubar.addMenu(self.menuEdit)
self.menubar.addMenu(self.menuHelp)
self.toolBar.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
self.toolBar.addAction(self.actionNew)
self.toolBar.addSeparator()
self.toolBar.addAction(self.actionOpen)
self.toolBar.addAction(self.actionSave)
self.toolBar.addSeparator()
self.editBar.addAction(self.actionUndo)
self.editBar.addAction(self.actionRedo)
self.editBar.addSeparator()
self.editBar.addAction(self.actionCut)
self.editBar.addAction(self.actionCopy)
self.editBar.addAction(self.actionPaste)
self.editBar.addSeparator()
self.editBar.addWidget(QLabel(self.tr('Select theme ')))
self.editBar.addWidget(self.themeBox)
def actIcon(self, name):
return QIcon.fromTheme(name, QIcon(icon_path+name+'.png'))
def enableCopy(self, copymode):
self.actionCopy.setEnabled(copymode)
self.actionCut.setEnabled(copymode)
def enableFullScreen(self, yes):
if yes:
self.showFullScreen()
else:
self.showNormal()
def keyPressEvent(self, e):
v = not self.menubar.isVisible()
if e.key() == Qt.Key_F12 and e.modifiers() & Qt.ShiftModifier:
self.menubar.setVisible(v)
self.toolBar.setVisible(v)
self.editBar.setVisible(v)
elif e.key() == Qt.Key_F11:
if v:
n = not self.actionFullScreen.isChecked()
self.actionFullScreen.setChecked(n)
self.enableFullScreen(n)
def setCurrentFile(self):
self.setWindowTitle(self.getDocumentTitle(baseName=True))
self.setWindowFilePath(self.fileName)
QDir.setCurrent(QFileInfo(self.fileName).dir().path())
def createNew(self):
if self.maybeSave():
self.setWindowTitle(self.tr('New document') + '[*] ')
self.tedit.clear()
def openFile(self):
fileName = QFileDialog.getOpenFileName(self, self.tr("Select one or several files to open"), "", \
self.tr("Supported files")+" (*.re *.md *.markdown *.mdown *.mkd *.mkdn *.rst *.rest *.txt *.html *.htm);;"+self.tr("All files (*)"))
self.openFileWrapper(fileName)
def openFileWrapper(self, fileName):
if fileName:
if self.fileName != fileName:
self.fileName = fileName
self.openFileMain()
def openFileMain(self):
if QFile.exists(self.fileName):
openfile = QFile(self.fileName)
openfile.open(QIODevice.ReadOnly)
html = QTextStream(openfile).readAll()
openfile.close()
self.tedit.setPlainText(html)
suffix = QFileInfo(self.fileName).suffix()
self.setCurrentFile()
self.setWindowModified(False)
def saveFile(self):
self.saveFileMain(dlg=False)
def saveFileAs(self):
self.saveFileMain(dlg=True)
def saveFileMain(self, dlg):
if (not self.fileName) or dlg:
defaultExt = self.tr("Markdown files")+" (*.re *.md *.markdown *.mdown *.mkd *.mkdn *.txt)"
ext = ".mkd"
if QSettings().contains('defaultExt'):
ext = QSettings().value('defaultExt').toString()
self.fileName = QFileDialog.getSaveFileName(self, self.tr("Save file"), "", defaultExt)
if self.fileName and QFileInfo(self.fileName).suffix().isEmpty():
self.fileName.append(ext)
if self.fileName:
self.setCurrentFile()
if QFileInfo(self.fileName).isWritable() or not QFile.exists(self.fileName):
if self.fileName:
self.saveFileWrapper(self.fileName)
self.tedit.document().setModified(False)
self.setWindowModified(False)
else:
self.setWindowModified(self.isWindowModified())
QMessageBox.warning(self, app_name, self.tr("Cannot save to file since it is read-only!"))
def saveFileWrapper(self, fn):
savefile = QFile(fn)
savefile.open(QIODevice.WriteOnly)
savestream = QTextStream(savefile)
savestream << self.tedit.toPlainText()
savefile.close()
def getDocumentTitle(self, baseName=False):
if self.fileName:
return QFileInfo(self.fileName).completeBaseName()
else:
return self.tr("New document")
def autoSaveActive(self):
return self.fileName and QFileInfo(self.fileName).isWritable()
def modificationChanged(self, changed):
if self.autoSaveActive():
changed = False
self.actionSave.setEnabled(changed)
self.setWindowModified(changed)
def clipboardDataChanged(self):
self.actionPaste.setEnabled(qApp.clipboard().mimeData().hasText())
def changeTheme(self, theme):
themen = str(theme)
self.highlighter.setTheme(self.themes[themen])
def maybeSave(self):
if self.autoSaveActive():
self.saveFileWrapper(self.fileName)
return True
if not self.tedit.document().isModified():
return True
ret = QMessageBox.warning(self, app_name, self.tr("The document has been modified.\nDo you want to save your changes?"), \
QMessageBox.Save | QMessageBox.Discard | QMessageBox.Cancel)
if ret == QMessageBox.Save:
self.saveFileMain(False)
return True
elif ret == QMessageBox.Cancel:
return False
return True
def closeEvent(self, closeevent):
accept = True
if not self.maybeSave():
accept = False
if accept:
closeevent.accept()
else:
closeevent.ignore()
def aboutDialog(self):
QMessageBox.about(self, self.tr('About %1').arg(app_name), \
'<p><b>'+app_name+' '+app_version+'</b><br>'+self.tr('Example editor for MarkdownHighlighter') \
+'</p><p>'+self.tr('Author: Dmitry Shachnev, 2011; Rupesh Kumar, 2012') \
+'<br><a href="http://daringfireball.net/projects/markdown/syntax">' + self.tr('Markdown syntax') + '</a> ')