class MainWindow(QMainWindow):
def __init__(self):
super(MainWindow, self).__init__()
self.mdiArea = QMdiArea()
self.mdiArea.setHorizontalScrollBarPolicy(Qt.ScrollBarAsNeeded)
self.mdiArea.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)
self.setCentralWidget(self.mdiArea)
self.mdiArea.subWindowActivated.connect(self.updateMenus)
self.windowMapper = QSignalMapper(self)
self.windowMapper.mapped[QWidget].connect(self.setActiveSubWindow)
self.createActions()
self.createMenus()
self.createToolBars()
self.createStatusBar()
self.updateMenus()
self.readSettings()
self.setWindowTitle("MDI")
def closeEvent(self, event):
self.mdiArea.closeAllSubWindows()
if self.mdiArea.currentSubWindow():
event.ignore()
else:
self.writeSettings()
event.accept()
def newFile(self):
child = self.createMdiChild()
child.newFile()
child.show()
def open(self):
fileName, _ = QFileDialog.getOpenFileName(self)
if fileName:
existing = self.findMdiChild(fileName)
if existing:
self.mdiArea.setActiveSubWindow(existing)
return
child = self.createMdiChild()
if child.loadFile(fileName):
self.statusBar().showMessage("File loaded", 2000)
child.show()
else:
child.close()
def save(self):
if self.activeMdiChild() and self.activeMdiChild().save():
self.statusBar().showMessage("File saved", 2000)
def saveAs(self):
if self.activeMdiChild() and self.activeMdiChild().saveAs():
self.statusBar().showMessage("File saved", 2000)
def cut(self):
if self.activeMdiChild():
self.activeMdiChild().cut()
def copy(self):
if self.activeMdiChild():
self.activeMdiChild().copy()
def paste(self):
if self.activeMdiChild():
self.activeMdiChild().paste()
def about(self):
QMessageBox.about(self, "About MDI",
"The <b>MDI</b> example demonstrates how to write multiple "
"document interface applications using Qt.")
def updateMenus(self):
hasMdiChild = (self.activeMdiChild() is not None)
self.saveAct.setEnabled(hasMdiChild)
self.saveAsAct.setEnabled(hasMdiChild)
self.pasteAct.setEnabled(hasMdiChild)
self.closeAct.setEnabled(hasMdiChild)
self.closeAllAct.setEnabled(hasMdiChild)
self.tileAct.setEnabled(hasMdiChild)
self.cascadeAct.setEnabled(hasMdiChild)
self.nextAct.setEnabled(hasMdiChild)
self.previousAct.setEnabled(hasMdiChild)
self.separatorAct.setVisible(hasMdiChild)
hasSelection = (self.activeMdiChild() is not None and
self.activeMdiChild().textCursor().hasSelection())
self.cutAct.setEnabled(hasSelection)
self.copyAct.setEnabled(hasSelection)
def updateWindowMenu(self):
self.windowMenu.clear()
self.windowMenu.addAction(self.closeAct)
self.windowMenu.addAction(self.closeAllAct)
self.windowMenu.addSeparator()
self.windowMenu.addAction(self.tileAct)
self.windowMenu.addAction(self.cascadeAct)
self.windowMenu.addSeparator()
self.windowMenu.addAction(self.nextAct)
self.windowMenu.addAction(self.previousAct)
self.windowMenu.addAction(self.separatorAct)
windows = self.mdiArea.subWindowList()
self.separatorAct.setVisible(len(windows) != 0)
for i, window in enumerate(windows):
child = window.widget()
text = "%d %s" % (i + 1, child.userFriendlyCurrentFile())
if i < 9:
text = '&' + text
action = self.windowMenu.addAction(text)
action.setCheckable(True)
action.setChecked(child is self.activeMdiChild())
action.triggered.connect(self.windowMapper.map)
self.windowMapper.setMapping(action, window)
def createMdiChild(self):
child = MdiChild()
self.mdiArea.addSubWindow(child)
child.copyAvailable.connect(self.cutAct.setEnabled)
child.copyAvailable.connect(self.copyAct.setEnabled)
return child
def createActions(self):
self.newAct = QAction(QIcon.fromTheme("document-new", QIcon(':/images/new.png')), "&New", self,
shortcut=QKeySequence.New, statusTip="Create a new file",
triggered=self.newFile)
self.openAct = QAction(QIcon.fromTheme("document-open", QIcon(':/images/open.png')), "&Open...", self,
shortcut=QKeySequence.Open, statusTip="Open an existing file",
triggered=self.open)
self.saveAct = QAction(QIcon.fromTheme("document-save", QIcon(':/images/save.png')), "&Save", self,
shortcut=QKeySequence.Save,
statusTip="Save the document to disk", triggered=self.save)
self.saveAsAct = QAction("Save &As...", self,
shortcut=QKeySequence.SaveAs,
statusTip="Save the document under a new name",
triggered=self.saveAs)
self.exitAct = QAction("E&xit", self, shortcut=QKeySequence.Quit,
statusTip="Exit the application",
triggered=QApplication.instance().closeAllWindows)
self.cutAct = QAction(QIcon.fromTheme("edit-cut", QIcon(':/images/cut.png')), "Cu&t", self,
shortcut=QKeySequence.Cut,
statusTip="Cut the current selection's contents to the clipboard",
triggered=self.cut)
self.copyAct = QAction(QIcon.fromTheme("edit-copy", QIcon(':/images/copy.png')), "&Copy", self,
shortcut=QKeySequence.Copy,
statusTip="Copy the current selection's contents to the clipboard",
triggered=self.copy)
self.pasteAct = QAction(QIcon.fromTheme("edit-paste", QIcon(':/images/paste.png')), "&Paste", self,
shortcut=QKeySequence.Paste,
statusTip="Paste the clipboard's contents into the current selection",
triggered=self.paste)
self.closeAct = QAction("Cl&ose", self,
statusTip="Close the active window",
triggered=self.mdiArea.closeActiveSubWindow)
self.closeAllAct = QAction("Close &All", self,
statusTip="Close all the windows",
triggered=self.mdiArea.closeAllSubWindows)
self.tileAct = QAction("&Tile", self, statusTip="Tile the windows",
triggered=self.mdiArea.tileSubWindows)
self.cascadeAct = QAction("&Cascade", self,
statusTip="Cascade the windows",
triggered=self.mdiArea.cascadeSubWindows)
self.nextAct = QAction("Ne&xt", self, shortcut=QKeySequence.NextChild,
statusTip="Move the focus to the next window",
triggered=self.mdiArea.activateNextSubWindow)
self.previousAct = QAction("Pre&vious", self,
shortcut=QKeySequence.PreviousChild,
statusTip="Move the focus to the previous window",
triggered=self.mdiArea.activatePreviousSubWindow)
self.separatorAct = QAction(self)
self.separatorAct.setSeparator(True)
self.aboutAct = QAction("&About", self,
statusTip="Show the application's About box",
triggered=self.about)
self.aboutQtAct = QAction("About &Qt", self,
statusTip="Show the Qt library's About box",
triggered=QApplication.instance().aboutQt)
def createMenus(self):
self.fileMenu = self.menuBar().addMenu("&File")
self.fileMenu.addAction(self.newAct)
self.fileMenu.addAction(self.openAct)
self.fileMenu.addAction(self.saveAct)
self.fileMenu.addAction(self.saveAsAct)
self.fileMenu.addSeparator()
action = self.fileMenu.addAction("Switch layout direction")
action.triggered.connect(self.switchLayoutDirection)
self.fileMenu.addAction(self.exitAct)
self.editMenu = self.menuBar().addMenu("&Edit")
self.editMenu.addAction(self.cutAct)
self.editMenu.addAction(self.copyAct)
self.editMenu.addAction(self.pasteAct)
self.windowMenu = self.menuBar().addMenu("&Window")
self.updateWindowMenu()
self.windowMenu.aboutToShow.connect(self.updateWindowMenu)
self.menuBar().addSeparator()
self.helpMenu = self.menuBar().addMenu("&Help")
self.helpMenu.addAction(self.aboutAct)
self.helpMenu.addAction(self.aboutQtAct)
def createToolBars(self):
self.fileToolBar = self.addToolBar("File")
self.fileToolBar.addAction(self.newAct)
self.fileToolBar.addAction(self.openAct)
self.fileToolBar.addAction(self.saveAct)
self.editToolBar = self.addToolBar("Edit")
self.editToolBar.addAction(self.cutAct)
self.editToolBar.addAction(self.copyAct)
self.editToolBar.addAction(self.pasteAct)
def createStatusBar(self):
self.statusBar().showMessage("Ready")
def readSettings(self):
settings = QSettings('Trolltech', 'MDI Example')
pos = settings.value('pos', QPoint(200, 200))
size = settings.value('size', QSize(400, 400))
self.move(pos)
self.resize(size)
def writeSettings(self):
settings = QSettings('Trolltech', 'MDI Example')
settings.setValue('pos', self.pos())
settings.setValue('size', self.size())
def activeMdiChild(self):
activeSubWindow = self.mdiArea.activeSubWindow()
if activeSubWindow:
return activeSubWindow.widget()
return None
def findMdiChild(self, fileName):
canonicalFilePath = QFileInfo(fileName).canonicalFilePath()
for window in self.mdiArea.subWindowList():
if window.widget().currentFile() == canonicalFilePath:
return window
return None
def switchLayoutDirection(self):
if self.layoutDirection() == Qt.LeftToRight:
QApplication.setLayoutDirection(Qt.RightToLeft)
else:
QApplication.setLayoutDirection(Qt.LeftToRight)
def setActiveSubWindow(self, window):
if window:
self.mdiArea.setActiveSubWindow(window)
class MainWindow(QMainWindow):
def __init__(self):
super(MainWindow, self).__init__()
self.mdiArea = QMdiArea()
self.mdiArea.setHorizontalScrollBarPolicy(Qt.ScrollBarAsNeeded)
self.mdiArea.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)
self.setCentralWidget(self.mdiArea)
self.mdiArea.subWindowActivated.connect(self.updateMenus)
self.windowMapper = QSignalMapper(self)
self.windowMapper.mapped[QWidget].connect(self.setActiveSubWindow)
self.createActions()
self.createMenus()
self.createToolBars()
self.createStatusBar()
self.updateMenus()
self.readSettings()
self.setWindowTitle("MDI")
def closeEvent(self, event):
self.mdiArea.closeAllSubWindows()
if self.mdiArea.currentSubWindow():
event.ignore()
else:
self.writeSettings()
event.accept()
def newFile(self):
child = self.createMdiChild()
child.newFile()
child.show()
def open(self):
fileName, _ = QFileDialog.getOpenFileName(self)
if fileName:
existing = self.findMdiChild(fileName)
if existing:
self.mdiArea.setActiveSubWindow(existing)
return
child = self.createMdiChild()
if child.loadFile(fileName):
self.statusBar().showMessage("File loaded", 2000)
child.show()
else:
child.close()
def save(self):
if self.activeMdiChild() and self.activeMdiChild().save():
self.statusBar().showMessage("File saved", 2000)
def saveAs(self):
if self.activeMdiChild() and self.activeMdiChild().saveAs():
self.statusBar().showMessage("File saved", 2000)
def cut(self):
if self.activeMdiChild():
self.activeMdiChild().cut()
def copy(self):
if self.activeMdiChild():
self.activeMdiChild().copy()
def paste(self):
if self.activeMdiChild():
self.activeMdiChild().paste()
def about(self):
QMessageBox.about(
self, "About MDI",
"The <b>MDI</b> example demonstrates how to write multiple "
"document interface applications using Qt.")
def updateMenus(self):
hasMdiChild = (self.activeMdiChild() is not None)
self.saveAct.setEnabled(hasMdiChild)
self.saveAsAct.setEnabled(hasMdiChild)
self.pasteAct.setEnabled(hasMdiChild)
self.closeAct.setEnabled(hasMdiChild)
self.closeAllAct.setEnabled(hasMdiChild)
self.tileAct.setEnabled(hasMdiChild)
self.cascadeAct.setEnabled(hasMdiChild)
self.nextAct.setEnabled(hasMdiChild)
self.previousAct.setEnabled(hasMdiChild)
self.separatorAct.setVisible(hasMdiChild)
hasSelection = (self.activeMdiChild() is not None
and self.activeMdiChild().textCursor().hasSelection())
self.cutAct.setEnabled(hasSelection)
self.copyAct.setEnabled(hasSelection)
def updateWindowMenu(self):
self.windowMenu.clear()
self.windowMenu.addAction(self.closeAct)
self.windowMenu.addAction(self.closeAllAct)
self.windowMenu.addSeparator()
self.windowMenu.addAction(self.tileAct)
self.windowMenu.addAction(self.cascadeAct)
self.windowMenu.addSeparator()
self.windowMenu.addAction(self.nextAct)
self.windowMenu.addAction(self.previousAct)
self.windowMenu.addAction(self.separatorAct)
windows = self.mdiArea.subWindowList()
self.separatorAct.setVisible(len(windows) != 0)
for i, window in enumerate(windows):
child = window.widget()
text = "%d %s" % (i + 1, child.userFriendlyCurrentFile())
if i < 9:
text = '&' + text
action = self.windowMenu.addAction(text)
action.setCheckable(True)
action.setChecked(child is self.activeMdiChild())
action.triggered.connect(self.windowMapper.map)
self.windowMapper.setMapping(action, window)
def createMdiChild(self):
child = MdiChild()
self.mdiArea.addSubWindow(child)
child.copyAvailable.connect(self.cutAct.setEnabled)
child.copyAvailable.connect(self.copyAct.setEnabled)
return child
def createActions(self):
self.newAct = QAction(QIcon.fromTheme("document-new",
QIcon(':/images/new.png')),
"&New",
self,
shortcut=QKeySequence.New,
statusTip="Create a new file",
triggered=self.newFile)
self.openAct = QAction(QIcon.fromTheme("document-open",
QIcon(':/images/open.png')),
"&Open...",
self,
shortcut=QKeySequence.Open,
statusTip="Open an existing file",
triggered=self.open)
self.saveAct = QAction(QIcon.fromTheme("document-save",
QIcon(':/images/save.png')),
"&Save",
self,
shortcut=QKeySequence.Save,
statusTip="Save the document to disk",
triggered=self.save)
self.saveAsAct = QAction(
"Save &As...",
self,
shortcut=QKeySequence.SaveAs,
statusTip="Save the document under a new name",
triggered=self.saveAs)
self.exitAct = QAction(
"E&xit",
self,
shortcut=QKeySequence.Quit,
statusTip="Exit the application",
triggered=QApplication.instance().closeAllWindows)
self.cutAct = QAction(
QIcon.fromTheme("edit-cut", QIcon(':/images/cut.png')),
"Cu&t",
self,
shortcut=QKeySequence.Cut,
statusTip="Cut the current selection's contents to the clipboard",
triggered=self.cut)
self.copyAct = QAction(
QIcon.fromTheme("edit-copy", QIcon(':/images/copy.png')),
"&Copy",
self,
shortcut=QKeySequence.Copy,
statusTip="Copy the current selection's contents to the clipboard",
triggered=self.copy)
self.pasteAct = QAction(
QIcon.fromTheme("edit-paste", QIcon(':/images/paste.png')),
"&Paste",
self,
shortcut=QKeySequence.Paste,
statusTip=
"Paste the clipboard's contents into the current selection",
triggered=self.paste)
self.closeAct = QAction("Cl&ose",
self,
statusTip="Close the active window",
triggered=self.mdiArea.closeActiveSubWindow)
self.closeAllAct = QAction("Close &All",
self,
statusTip="Close all the windows",
triggered=self.mdiArea.closeAllSubWindows)
self.tileAct = QAction("&Tile",
self,
statusTip="Tile the windows",
triggered=self.mdiArea.tileSubWindows)
self.cascadeAct = QAction("&Cascade",
self,
statusTip="Cascade the windows",
triggered=self.mdiArea.cascadeSubWindows)
self.nextAct = QAction("Ne&xt",
self,
shortcut=QKeySequence.NextChild,
statusTip="Move the focus to the next window",
triggered=self.mdiArea.activateNextSubWindow)
self.previousAct = QAction(
"Pre&vious",
self,
shortcut=QKeySequence.PreviousChild,
statusTip="Move the focus to the previous window",
triggered=self.mdiArea.activatePreviousSubWindow)
self.separatorAct = QAction(self)
self.separatorAct.setSeparator(True)
self.aboutAct = QAction("&About",
self,
statusTip="Show the application's About box",
triggered=self.about)
self.aboutQtAct = QAction("About &Qt",
self,
statusTip="Show the Qt library's About box",
triggered=QApplication.instance().aboutQt)
def createMenus(self):
self.fileMenu = self.menuBar().addMenu("&File")
self.fileMenu.addAction(self.newAct)
self.fileMenu.addAction(self.openAct)
self.fileMenu.addAction(self.saveAct)
self.fileMenu.addAction(self.saveAsAct)
self.fileMenu.addSeparator()
action = self.fileMenu.addAction("Switch layout direction")
action.triggered.connect(self.switchLayoutDirection)
self.fileMenu.addAction(self.exitAct)
self.editMenu = self.menuBar().addMenu("&Edit")
self.editMenu.addAction(self.cutAct)
self.editMenu.addAction(self.copyAct)
self.editMenu.addAction(self.pasteAct)
self.windowMenu = self.menuBar().addMenu("&Window")
self.updateWindowMenu()
self.windowMenu.aboutToShow.connect(self.updateWindowMenu)
self.menuBar().addSeparator()
self.helpMenu = self.menuBar().addMenu("&Help")
self.helpMenu.addAction(self.aboutAct)
self.helpMenu.addAction(self.aboutQtAct)
def createToolBars(self):
self.fileToolBar = self.addToolBar("File")
self.fileToolBar.addAction(self.newAct)
self.fileToolBar.addAction(self.openAct)
self.fileToolBar.addAction(self.saveAct)
self.editToolBar = self.addToolBar("Edit")
self.editToolBar.addAction(self.cutAct)
self.editToolBar.addAction(self.copyAct)
self.editToolBar.addAction(self.pasteAct)
def createStatusBar(self):
self.statusBar().showMessage("Ready")
def readSettings(self):
settings = QSettings('Trolltech', 'MDI Example')
pos = settings.value('pos', QPoint(200, 200))
size = settings.value('size', QSize(400, 400))
self.move(pos)
self.resize(size)
def writeSettings(self):
settings = QSettings('Trolltech', 'MDI Example')
settings.setValue('pos', self.pos())
settings.setValue('size', self.size())
def activeMdiChild(self):
activeSubWindow = self.mdiArea.activeSubWindow()
if activeSubWindow:
return activeSubWindow.widget()
return None
def findMdiChild(self, fileName):
canonicalFilePath = QFileInfo(fileName).canonicalFilePath()
for window in self.mdiArea.subWindowList():
if window.widget().currentFile() == canonicalFilePath:
return window
return None
def switchLayoutDirection(self):
if self.layoutDirection() == Qt.LeftToRight:
QApplication.setLayoutDirection(Qt.RightToLeft)
else:
QApplication.setLayoutDirection(Qt.LeftToRight)
def setActiveSubWindow(self, window):
if window:
self.mdiArea.setActiveSubWindow(window)
class MainWindow(QMainWindow):
def __init__(self, parent=None):
super().__init__(parent)
self.setWindowIcon(QIcon(":/icons/apps/16/tabulator.svg"))
self._recentDocuments = []
self._actionRecentDocuments = []
self._keyboardShortcutsDialog = None
self._preferences = Preferences()
self._preferences.loadSettings()
self._createActions()
self._createMenus()
self._createToolBars()
self._loadSettings()
self._updateActions()
self._updateActionFullScreen()
self._updateMenuOpenRecent()
# Central widget
self._documentArea = QMdiArea()
self._documentArea.setViewMode(QMdiArea.TabbedView)
self._documentArea.setTabsMovable(True)
self._documentArea.setTabsClosable(True)
self.setCentralWidget(self._documentArea)
self._documentArea.subWindowActivated.connect(self._onDocumentWindowActivated)
def closeEvent(self, event):
if True:
# Store application properties and preferences
self._saveSettings()
self._preferences.saveSettings()
event.accept()
else:
event.ignore()
def _loadSettings(self):
settings = QSettings()
# Recent documents
size = settings.beginReadArray("RecentDocuments")
for idx in range(size-1, -1, -1):
settings.setArrayIndex(idx)
canonicalName = QFileInfo(settings.value("Document")).canonicalFilePath()
self._updateRecentDocuments(canonicalName)
settings.endArray()
# Application properties: Geometry
geometry = settings.value("Application/Geometry", QByteArray()) if self._preferences.restoreApplicationGeometry() else QByteArray()
if not geometry.isEmpty():
self.restoreGeometry(geometry)
else:
availableGeometry = self.screen().availableGeometry()
self.resize(availableGeometry.width() * 2/3, availableGeometry.height() * 2/3)
self.move((availableGeometry.width() - self.width()) / 2, (availableGeometry.height() - self.height()) / 2)
# Application properties: State
state = settings.value("Application/State", QByteArray()) if self._preferences.restoreApplicationState() else QByteArray()
if not state.isEmpty():
self.restoreState(state)
else:
self._toolbarApplication.setVisible(True)
self._toolbarDocument.setVisible(True)
self._toolbarEdit.setVisible(True)
self._toolbarTools.setVisible(True)
self._toolbarView.setVisible(False)
self._toolbarHelp.setVisible(False)
def _saveSettings(self):
settings = QSettings()
# Recent documents
if not self._preferences.restoreRecentDocuments():
self._recentDocuments.clear()
settings.remove("RecentDocuments")
settings.beginWriteArray("RecentDocuments")
for idx in range(len(self._recentDocuments)):
settings.setArrayIndex(idx)
settings.setValue("Document", self._recentDocuments[idx])
settings.endArray()
# Application properties: Geometry
geometry = self.saveGeometry() if self._preferences.restoreApplicationGeometry() else QByteArray()
settings.setValue("Application/Geometry", geometry)
# Application properties: State
state = self.saveState() if self._preferences.restoreApplicationState() else QByteArray()
settings.setValue("Application/State", state)
def _createActions(self):
#
# Actions: Application
self._actionAbout = QAction(self.tr("About {0}").format(QApplication.applicationName()), self)
self._actionAbout.setObjectName("actionAbout")
self._actionAbout.setIcon(QIcon(":/icons/apps/16/tabulator.svg"))
self._actionAbout.setIconText(self.tr("About"))
self._actionAbout.setToolTip(self.tr("Brief description of the application"))
self._actionAbout.triggered.connect(self._onActionAboutTriggered)
self._actionColophon = QAction(self.tr("Colophon"), self)
self._actionColophon.setObjectName("actionColophon")
self._actionColophon.setToolTip(self.tr("Lengthy description of the application"))
self._actionColophon.triggered.connect(self._onActionColophonTriggered)
self._actionPreferences = QAction(self.tr("Preferences…"), self)
self._actionPreferences.setObjectName("actionPreferences")
self._actionPreferences.setIcon(QIcon.fromTheme("configure", QIcon(":/icons/actions/16/application-configure.svg")))
self._actionPreferences.setToolTip(self.tr("Customize the appearance and behavior of the application"))
self._actionPreferences.triggered.connect(self._onActionPreferencesTriggered)
self._actionQuit = QAction(self.tr("Quit"), self)
self._actionQuit.setObjectName("actionQuit")
self._actionQuit.setIcon(QIcon.fromTheme("application-exit", QIcon(":/icons/actions/16/application-exit.svg")))
self._actionQuit.setShortcut(QKeySequence.Quit)
self._actionQuit.setToolTip(self.tr("Quit the application"))
self._actionQuit.triggered.connect(self.close)
#
# Actions: Document
self._actionNew = QAction(self.tr("New"), self)
self._actionNew.setObjectName("actionNew")
self._actionNew.setIcon(QIcon.fromTheme("document-new", QIcon(":/icons/actions/16/document-new.svg")))
self._actionNew.setShortcut(QKeySequence.New)
self._actionNew.setToolTip(self.tr("Create new document"))
self._actionNew.triggered.connect(self._onActionNewTriggered)
self._actionOpen = QAction(self.tr("Open…"), self)
self._actionOpen.setObjectName("actionOpen")
self._actionOpen.setIcon(QIcon.fromTheme("document-open", QIcon(":/icons/actions/16/document-open.svg")))
self._actionOpen.setShortcut(QKeySequence.Open)
self._actionOpen.setToolTip(self.tr("Open an existing document"))
self._actionOpen.triggered.connect(self._onActionOpenTriggered)
self._actionOpenRecentClear = QAction(self.tr("Clear List"), self)
self._actionOpenRecentClear.setObjectName("actionOpenRecentClear")
self._actionOpenRecentClear.setToolTip(self.tr("Clear document list"))
self._actionOpenRecentClear.triggered.connect(self._onActionOpenRecentClearTriggered)
self._actionSave = QAction(self.tr("Save"), self)
self._actionSave.setObjectName("actionSave")
self._actionSave.setIcon(QIcon.fromTheme("document-save", QIcon(":/icons/actions/16/document-save.svg")))
self._actionSave.setShortcut(QKeySequence.Save)
self._actionSave.setToolTip(self.tr("Save document"))
self._actionSave.triggered.connect(self._onActionSaveTriggered)
self._actionSaveAs = QAction(self.tr("Save As…"), self)
self._actionSaveAs.setObjectName("actionSaveAs")
self._actionSaveAs.setIcon(QIcon.fromTheme("document-save-as", QIcon(":/icons/actions/16/document-save-as.svg")))
self._actionSaveAs.setShortcut(QKeySequence.SaveAs)
self._actionSaveAs.setToolTip(self.tr("Save document under a new name"))
self._actionSaveAs.triggered.connect(self._onActionSaveAsTriggered)
self._actionSaveAsDelimiterColon = QAction(self.tr("Colon"), self)
self._actionSaveAsDelimiterColon.setObjectName("actionSaveAsDelimiterColon")
self._actionSaveAsDelimiterColon.setCheckable(True)
self._actionSaveAsDelimiterColon.setToolTip(self.tr("Save document with colon as delimiter under a new name"))
self._actionSaveAsDelimiterColon.setData("colon")
self._actionSaveAsDelimiterColon.triggered.connect(lambda: self._onActionSaveAsDelimiterTriggered("colon") )
self._actionSaveAsDelimiterComma = QAction(self.tr("Comma"), self)
self._actionSaveAsDelimiterComma.setObjectName("actionSaveAsDelimiterComma")
self._actionSaveAsDelimiterComma.setCheckable(True)
self._actionSaveAsDelimiterComma.setToolTip(self.tr("Save document with comma as delimiter under a new name"))
self._actionSaveAsDelimiterComma.setData("comma")
self._actionSaveAsDelimiterComma.triggered.connect(lambda: self._onActionSaveAsDelimiterTriggered("comma") )
self._actionSaveAsDelimiterSemicolon = QAction(self.tr("Semicolon"), self)
self._actionSaveAsDelimiterSemicolon.setObjectName("actionSaveAsDelimiterSemicolon")
self._actionSaveAsDelimiterSemicolon.setCheckable(True)
self._actionSaveAsDelimiterSemicolon.setToolTip(self.tr("Save document with semicolon as delimiter under a new name"))
self._actionSaveAsDelimiterSemicolon.setData("semicolon")
self._actionSaveAsDelimiterSemicolon.triggered.connect(lambda: self._onActionSaveAsDelimiterTriggered("semicolon") )
self._actionSaveAsDelimiterTab = QAction(self.tr("Tab"), self)
self._actionSaveAsDelimiterTab.setObjectName("actionSaveAsDelimiterTab")
self._actionSaveAsDelimiterTab.setCheckable(True)
self._actionSaveAsDelimiterTab.setToolTip(self.tr("Save document with tab as delimiter under a new name"))
self._actionSaveAsDelimiterTab.setData("tab")
self._actionSaveAsDelimiterTab.triggered.connect(lambda: self._onActionSaveAsDelimiterTriggered("tab") )
self._actionSaveAsDelimiter = QActionGroup(self)
self._actionSaveAsDelimiter.setObjectName("actionSaveAsDelimiter")
self._actionSaveAsDelimiter.addAction(self._actionSaveAsDelimiterColon)
self._actionSaveAsDelimiter.addAction(self._actionSaveAsDelimiterComma)
self._actionSaveAsDelimiter.addAction(self._actionSaveAsDelimiterSemicolon)
self._actionSaveAsDelimiter.addAction(self._actionSaveAsDelimiterTab)
self._actionSaveCopyAs = QAction(self.tr("Save Copy As…"), self)
self._actionSaveCopyAs.setObjectName("actionSaveCopyAs")
self._actionSaveCopyAs.setIcon(QIcon.fromTheme("document-save-as", QIcon(":/icons/actions/16/document-save-as.svg")))
self._actionSaveCopyAs.setToolTip(self.tr("Save copy of document under a new name"))
self._actionSaveCopyAs.triggered.connect(self._onActionSaveCopyAsTriggered)
self._actionSaveAll = QAction(self.tr("Save All"), self)
self._actionSaveAll.setObjectName("actionSaveAll")
self._actionSaveAll.setIcon(QIcon.fromTheme("document-save-all", QIcon(":/icons/actions/16/document-save-all.svg")))
self._actionSaveAll.setShortcut(QKeySequence(Qt.CTRL + Qt.Key_L))
self._actionSaveAll.setToolTip(self.tr("Save all documents"))
self._actionSaveAll.triggered.connect(self._onActionSaveAllTriggered)
self._actionClose = QAction(self.tr("Close"), self)
self._actionClose.setObjectName("actionClose")
self._actionClose.setIcon(QIcon.fromTheme("document-close", QIcon(":/icons/actions/16/document-close.svg")))
self._actionClose.setShortcut(QKeySequence.Close)
self._actionClose.setToolTip(self.tr("Close document"))
self._actionClose.triggered.connect(self._onActionCloseTriggered)
self._actionCloseOther = QAction(self.tr("Close Other"), self)
self._actionCloseOther.setObjectName("actionCloseOther")
self._actionCloseOther.setToolTip(self.tr("Close all other documents"))
self._actionCloseOther.triggered.connect(self._onActionCloseOtherTriggered)
self._actionCloseAll = QAction(self.tr("Close All"), self)
self._actionCloseAll.setObjectName("actionCloseAll")
self._actionCloseAll.setShortcut(QKeySequence(Qt.CTRL + Qt.SHIFT + Qt.Key_W))
self._actionCloseAll.setToolTip(self.tr("Close all documents"))
self._actionCloseAll.triggered.connect(self._onActionCloseAllTriggered)
#
# Actions: View
self._actionFullScreen = QAction(self)
self._actionFullScreen.setObjectName("actionFullScreen")
self._actionFullScreen.setIconText(self.tr("Full Screen"))
self._actionFullScreen.setCheckable(True)
self._actionFullScreen.setShortcuts([QKeySequence(Qt.Key_F11), QKeySequence.FullScreen])
self._actionFullScreen.triggered.connect(self._onActionFullScreenTriggered)
self._actionTitlebarFullPath = QAction(self.tr("Show Path in Titlebar"), self)
self._actionTitlebarFullPath.setObjectName("actionTitlebarFullPath")
self._actionTitlebarFullPath.setCheckable(True)
self._actionTitlebarFullPath.setChecked(True)
self._actionTitlebarFullPath.setToolTip(self.tr("Display the full path of the document in the titlebar"))
self._actionTitlebarFullPath.triggered.connect(self._onActionTitlebarFullPathTriggered)
self._actionToolbarApplication = QAction(self.tr("Show Application Toolbar"), self)
self._actionToolbarApplication.setObjectName("actionToolbarApplication")
self._actionToolbarApplication.setCheckable(True)
self._actionToolbarApplication.setToolTip(self.tr("Display the Application toolbar"))
self._actionToolbarApplication.toggled.connect(lambda checked: self._toolbarApplication.setVisible(checked))
self._actionToolbarDocument = QAction(self.tr("Show Document Toolbar"), self)
self._actionToolbarDocument.setObjectName("actionToolbarDocument")
self._actionToolbarDocument.setCheckable(True)
self._actionToolbarDocument.setToolTip(self.tr("Display the Document toolbar"))
self._actionToolbarDocument.toggled.connect(lambda checked: self._toolbarDocument.setVisible(checked))
self._actionToolbarEdit = QAction(self.tr("Show Edit Toolbar"), self)
self._actionToolbarEdit.setObjectName("actionToolbarEdit")
self._actionToolbarEdit.setCheckable(True)
self._actionToolbarEdit.setToolTip(self.tr("Display the Edit toolbar"))
self._actionToolbarEdit.toggled.connect(lambda checked: self._toolbarEdit.setVisible(checked))
self._actionToolbarTools = QAction(self.tr("Show Tools Toolbar"), self)
self._actionToolbarTools.setObjectName("actionToolbarTools")
self._actionToolbarTools.setCheckable(True)
self._actionToolbarTools.setToolTip(self.tr("Display the Tools toolbar"))
self._actionToolbarTools.toggled.connect(lambda checked: self._toolbarTools.setVisible(checked))
self._actionToolbarView = QAction(self.tr("Show View Toolbar"), self)
self._actionToolbarView.setObjectName("actionToolbarView")
self._actionToolbarView.setCheckable(True)
self._actionToolbarView.setToolTip(self.tr("Display the View toolbar"))
self._actionToolbarView.toggled.connect(lambda checked: self._toolbarView.setVisible(checked))
self._actionToolbarHelp = QAction(self.tr("Show Help Toolbar"), self)
self._actionToolbarHelp.setObjectName("actionToolbarHelp")
self._actionToolbarHelp.setCheckable(True)
self._actionToolbarHelp.setToolTip(self.tr("Display the Help toolbar"))
self._actionToolbarHelp.toggled.connect(lambda checked: self._toolbarHelp.setVisible(checked))
#
# Actions: Help
self._actionKeyboardShortcuts = QAction(self.tr("Keyboard Shortcuts"), self)
self._actionKeyboardShortcuts.setObjectName("actionKeyboardShortcuts")
self._actionKeyboardShortcuts.setIcon(QIcon.fromTheme("help-keyboard-shortcuts", QIcon(":/icons/actions/16/help-keyboard-shortcuts.svg")))
self._actionKeyboardShortcuts.setIconText(self.tr("Shortcuts"))
self._actionKeyboardShortcuts.setToolTip(self.tr("List of all keyboard shortcuts"))
self._actionKeyboardShortcuts.triggered.connect(self._onActionKeyboardShortcutsTriggered)
def _createMenus(self):
# Menu: Application
menuApplication = self.menuBar().addMenu(self.tr("Application"))
menuApplication.setObjectName("menuApplication")
menuApplication.addAction(self._actionAbout)
menuApplication.addAction(self._actionColophon)
menuApplication.addSeparator()
menuApplication.addAction(self._actionPreferences)
menuApplication.addSeparator()
menuApplication.addAction(self._actionQuit)
#
# Menu: Document
self._menuOpenRecent = QMenu(self.tr("Open Recent"), self)
self._menuOpenRecent.setObjectName("menuOpenRecent")
self._menuOpenRecent.setIcon(QIcon.fromTheme("document-open-recent", QIcon(":/icons/actions/16/document-open-recent.svg")))
self._menuOpenRecent.setToolTip(self.tr("Open a document which was recently opened"))
self._menuSaveAsDelimiter = QMenu(self.tr("Save As with Delimiter…"), self)
self._menuSaveAsDelimiter.setObjectName("menuSaveAsDelimiter")
self._menuSaveAsDelimiter.setIcon(QIcon.fromTheme("document-save-as", QIcon(":/icons/actions/16/document-save-as.svg")))
self._menuSaveAsDelimiter.setToolTip(self.tr("Save document with specific delimiter under a new name"))
self._menuSaveAsDelimiter.addActions(self._actionSaveAsDelimiter.actions())
menuDocument = self.menuBar().addMenu(self.tr("Document"))
menuDocument.setObjectName("menuDocument")
menuDocument.addAction(self._actionNew)
menuDocument.addSeparator()
menuDocument.addAction(self._actionOpen)
menuDocument.addMenu(self._menuOpenRecent)
menuDocument.addSeparator()
menuDocument.addAction(self._actionSave)
menuDocument.addAction(self._actionSaveAs)
menuDocument.addMenu(self._menuSaveAsDelimiter)
menuDocument.addAction(self._actionSaveCopyAs)
menuDocument.addAction(self._actionSaveAll)
menuDocument.addSeparator()
menuDocument.addAction(self._actionClose)
menuDocument.addAction(self._actionCloseOther)
menuDocument.addAction(self._actionCloseAll)
# Menu: Edit
menuEdit = self.menuBar().addMenu(self.tr("Edit"))
menuEdit.setObjectName("menuEdit")
# Menu: Tools
menuTools = self.menuBar().addMenu(self.tr("Tools"))
menuTools.setObjectName("menuTools")
# Menu: View
menuView = self.menuBar().addMenu(self.tr("View"))
menuView.setObjectName("menuView")
menuView.addAction(self._actionFullScreen)
menuView.addSeparator()
menuView.addAction(self._actionTitlebarFullPath)
menuView.addSeparator()
menuView.addAction(self._actionToolbarApplication)
menuView.addAction(self._actionToolbarDocument)
menuView.addAction(self._actionToolbarEdit)
menuView.addAction(self._actionToolbarTools)
menuView.addAction(self._actionToolbarView)
menuView.addAction(self._actionToolbarHelp)
# Menu: Help
menuHelp = self.menuBar().addMenu(self.tr("Help"))
menuHelp.setObjectName("menuHelp")
menuHelp.addAction(self._actionKeyboardShortcuts)
def _createToolBars(self):
# Toolbar: Application
self._toolbarApplication = self.addToolBar(self.tr("Application Toolbar"))
self._toolbarApplication.setObjectName("toolbarApplication")
self._toolbarApplication.addAction(self._actionAbout)
self._toolbarApplication.addAction(self._actionPreferences)
self._toolbarApplication.addSeparator()
self._toolbarApplication.addAction(self._actionQuit)
self._toolbarApplication.visibilityChanged.connect(lambda visible: self._actionToolbarApplication.setChecked(visible))
# Toolbar: Document
self._toolbarDocument = self.addToolBar(self.tr("Document Toolbar"))
self._toolbarDocument.setObjectName("toolbarDocument")
self._toolbarDocument.addAction(self._actionNew)
self._toolbarDocument.addAction(self._actionOpen)
self._toolbarDocument.addSeparator()
self._toolbarDocument.addAction(self._actionSave)
self._toolbarDocument.addAction(self._actionSaveAs)
self._toolbarDocument.addSeparator()
self._toolbarDocument.addAction(self._actionClose)
self._toolbarDocument.visibilityChanged.connect(lambda visible: self._actionToolbarDocument.setChecked(visible))
# Toolbar: Edit
self._toolbarEdit = self.addToolBar(self.tr("Edit Toolbar"))
self._toolbarEdit.setObjectName("toolbarEdit")
self._toolbarEdit.visibilityChanged.connect(lambda visible: self._actionToolbarEdit.setChecked(visible))
# Toolbar: Tools
self._toolbarTools = self.addToolBar(self.tr("Tools Toolbar"))
self._toolbarTools.setObjectName("toolbarTools")
self._toolbarTools.visibilityChanged.connect(lambda visible: self._actionToolbarTools.setChecked(visible))
# Toolbar: View
self._toolbarView = self.addToolBar(self.tr("View Toolbar"))
self._toolbarView.setObjectName("toolbarView")
self._toolbarView.addAction(self._actionFullScreen)
self._toolbarView.visibilityChanged.connect(lambda visible: self._actionToolbarView.setChecked(visible))
# Toolbar: Help
self._toolbarHelp = self.addToolBar(self.tr("Help Toolbar"))
self._toolbarHelp.setObjectName("toolbarHelp")
self._toolbarHelp.addAction(self._actionKeyboardShortcuts)
self._toolbarHelp.visibilityChanged.connect(lambda visible: self._actionToolbarHelp.setChecked(visible))
def _updateActions(self, subWindowCount=0):
hasDocument = subWindowCount >= 1
hasDocuments = subWindowCount >= 2
# Actions: Document
self._actionSave.setEnabled(hasDocument)
self._actionSaveAs.setEnabled(hasDocument)
self._menuSaveAsDelimiter.setEnabled(hasDocument)
self._actionSaveCopyAs.setEnabled(hasDocument)
self._actionSaveAll.setEnabled(hasDocument)
self._actionClose.setEnabled(hasDocument)
self._actionCloseOther.setEnabled(hasDocuments)
self._actionCloseAll.setEnabled(hasDocument)
def _updateActionFullScreen(self):
if not self.isFullScreen():
self._actionFullScreen.setText(self.tr("Full Screen Mode"))
self._actionFullScreen.setIcon(QIcon.fromTheme("view-fullscreen", QIcon(":/icons/actions/16/view-fullscreen.svg")))
self._actionFullScreen.setChecked(False)
self._actionFullScreen.setToolTip(self.tr("Display the window in full screen"))
else:
self._actionFullScreen.setText(self.tr("Exit Full Screen Mode"))
self._actionFullScreen.setIcon(QIcon.fromTheme("view-restore", QIcon(":/icons/actions/16/view-restore.svg")))
self._actionFullScreen.setChecked(True)
self._actionFullScreen.setToolTip(self.tr("Exit the full screen mode"))
def _updateActionRecentDocuments(self):
# Add items to the list, if necessary
for idx in range(len(self._actionRecentDocuments)+1, self._preferences.maximumRecentDocuments()+1):
actionRecentDocument = QAction(self)
actionRecentDocument.setObjectName(f"actionRecentDocument_{idx}")
actionRecentDocument.triggered.connect(lambda data=actionRecentDocument.data(): self._onActionOpenRecentDocumentTriggered(data))
self._actionRecentDocuments.append(actionRecentDocument)
# Remove items from the list, if necessary
while len(self._actionRecentDocuments) > self._preferences.maximumRecentDocuments():
self._actionRecentDocuments.pop()
# Update items
for idx in range(len(self._actionRecentDocuments)):
text = None
data = None
show = False
if idx < len(self._recentDocuments):
text = self.tr("{0} [{1}]").format(QFileInfo(self._recentDocuments[idx]).fileName(), self._recentDocuments[idx])
data = self._recentDocuments[idx]
show = True
self._actionRecentDocuments[idx].setText(text)
self._actionRecentDocuments[idx].setData(data)
self._actionRecentDocuments[idx].setVisible(show)
def _updateMenuOpenRecent(self):
self._menuOpenRecent.clear()
if self._preferences.maximumRecentDocuments() > 0:
# Document list wanted; show the menu
self._menuOpenRecent.menuAction().setVisible(True)
if len(self._recentDocuments) > 0:
# Document list has items; enable the menu
self._menuOpenRecent.setEnabled(True)
self._menuOpenRecent.addActions(self._actionRecentDocuments)
self._menuOpenRecent.addSeparator()
self._menuOpenRecent.addAction(self._actionOpenRecentClear)
else:
# Document list is empty; disable the menu
self._menuOpenRecent.setEnabled(False)
else:
# No document list wanted; hide the menu
self._menuOpenRecent.menuAction().setVisible(False)
def _updateTitleBar(self):
title = None
document = self._activeDocument()
if document:
title = document.canonicalName() if self._actionTitlebarFullPath.isChecked() and document.canonicalName() else document.documentTitle()
self.setWindowTitle(title)
def _onActionAboutTriggered(self):
dialog = AboutDialog(self)
dialog.exec_()
def _onActionColophonTriggered(self):
dialog = ColophonDialog(self)
dialog.exec_()
def _onActionPreferencesTriggered(self):
dialog = PreferencesDialog(self)
dialog.setPreferences(self._preferences)
dialog.exec_()
self._preferences = dialog.preferences()
self._updateRecentDocuments(None)
self._updateMenuOpenRecent()
def _onActionNewTriggered(self):
self._loadDocument("")
def _onActionOpenTriggered(self):
fileNames = QFileDialog.getOpenFileNames(self, self.tr("Open Document"),
QStandardPaths.writableLocation(QStandardPaths.HomeLocation),
self.tr("CSV Files (*.csv);;All Files (*.*)"))[0]
for fileName in fileNames:
self._openDocument(fileName)
def _onActionOpenRecentDocumentTriggered(self, canonicalName):
pass
# self.openDocument(canonicalName)
def _onActionOpenRecentClearTriggered(self):
self._recentDocuments.clear()
self._updateRecentDocuments(None)
self._updateMenuOpenRecent()
def _onActionSaveTriggered(self):
pass
def _onActionSaveAsTriggered(self):
pass
def _onActionSaveAsDelimiterTriggered(self, delimiter):
pass
def _onActionSaveCopyAsTriggered(self):
pass
def _onActionSaveAllTriggered(self):
pass
def _onActionCloseTriggered(self):
self._documentArea.closeActiveSubWindow()
def _onActionCloseOtherTriggered(self):
for subWindow in self._documentArea.subWindowList():
if subWindow != self._documentArea.activeSubWindow():
subWindow.close()
def _onActionCloseAllTriggered(self):
self._documentArea.closeAllSubWindows()
def _onActionFullScreenTriggered(self):
if not self.isFullScreen():
self.setWindowState(self.windowState() | Qt.WindowFullScreen)
else:
self.setWindowState(self.windowState() & ~Qt.WindowFullScreen)
self._updateActionFullScreen()
def _onActionTitlebarFullPathTriggered(self):
self._updateTitleBar()
def _onActionKeyboardShortcutsTriggered(self):
if not self._keyboardShortcutsDialog:
self._keyboardShortcutsDialog = KeyboardShortcutsDialog(self)
self._keyboardShortcutsDialog.show()
self._keyboardShortcutsDialog.raise_()
self._keyboardShortcutsDialog.activateWindow()
def _onDocumentWindowActivated(self, subWindow):
# Update the application window
self._updateActions(len(self._documentArea.subWindowList()))
self._updateTitleBar()
if not subWindow:
return
def _onDocumentAboutToClose(self, canonicalName):
# Workaround to show subwindows always maximized
for subWindow in self._documentArea.subWindowList():
if not subWindow.isMaximized():
subWindow.showMaximized()
# Update menu items without the emitter
self._updateActions(len(self._documentArea.subWindowList()) - 1)
def _createDocument(self):
document = Document()
document.setPreferences(self._preferences)
document.aboutToClose.connect(self._onDocumentAboutToClose)
subWindow = self._documentArea.addSubWindow(document)
subWindow.setWindowIcon(QIcon())
subWindow.showMaximized()
return document
def _createDocumentIndex(self, canonicalName):
fileName = QFileInfo(canonicalName).fileName()
canonicalIndex = 0
for subWindow in self._documentArea.subWindowList():
if QFileInfo(subWindow.widget().canonicalName()).fileName() == fileName:
if subWindow.widget().canonicalIndex() > canonicalIndex:
canonicalIndex = subWindow.widget().canonicalIndex()
return canonicalIndex + 1
def _findDocumentWindow(self, canonicalName):
for subWindow in self._documentArea.subWindowList():
if subWindow.widget().canonicalName() == canonicalName:
return subWindow
return None
def _activeDocument(self):
subWindow = self._documentArea.activeSubWindow()
return subWindow.widget() if subWindow else None
def _openDocument(self, fileName):
canonicalName = QFileInfo(fileName).canonicalFilePath()
subWindow = self._findDocumentWindow(canonicalName)
if subWindow:
# Given document is already loaded; activate the subwindow
self._documentArea.setActiveSubWindow(subWindow)
# Update list of recent documents
self._updateRecentDocuments(canonicalName)
self._updateMenuOpenRecent()
return True
return self._loadDocument(canonicalName);
def _loadDocument(self, canonicalName):
document = self._createDocument()
succeeded = document.load(canonicalName)
if succeeded:
document.setCanonicalIndex(self._createDocumentIndex(canonicalName))
document.updateDocumentTitle()
document.show()
# Update list of recent documents
self._updateRecentDocuments(canonicalName)
self._updateMenuOpenRecent()
# Update the application window
self._updateActions(len(self._documentArea.subWindowList()))
self._updateTitleBar()
else:
document.close()
return succeeded
def _updateRecentDocuments(self, canonicalName):
if canonicalName:
while canonicalName in self._recentDocuments:
self._recentDocuments.remove(canonicalName)
self._recentDocuments.insert(0, canonicalName)
# Remove items from the list, if necessary
while len(self._recentDocuments) > self._preferences.maximumRecentDocuments():
self._recentDocuments.pop()
self._updateActionRecentDocuments()