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Diffstat (limited to 'sources/pyside2/doc/codesnippets/examples/mainwindows/application/mainwindow.py')
| -rw-r--r-- | sources/pyside2/doc/codesnippets/examples/mainwindows/application/mainwindow.py | 357 |
1 files changed, 0 insertions, 357 deletions
diff --git a/sources/pyside2/doc/codesnippets/examples/mainwindows/application/mainwindow.py b/sources/pyside2/doc/codesnippets/examples/mainwindows/application/mainwindow.py deleted file mode 100644 index f976bb8e3..000000000 --- a/sources/pyside2/doc/codesnippets/examples/mainwindows/application/mainwindow.py +++ /dev/null @@ -1,357 +0,0 @@ -############################################################################ -## -## Copyright (C) 2016 The Qt Company Ltd. -## Contact: https://www.qt.io/licensing/ -## -## This file is part of the examples of Qt for Python. -## -## $QT_BEGIN_LICENSE:BSD$ -## Commercial License Usage -## Licensees holding valid commercial Qt licenses may use this file in -## accordance with the commercial license agreement provided with the -## Software or, alternatively, in accordance with the terms contained in -## a written agreement between you and The Qt Company. For licensing terms -## and conditions see https://www.qt.io/terms-conditions. For further -## information use the contact form at https://www.qt.io/contact-us. -## -## BSD License Usage -## Alternatively, you may use this file under the terms of the BSD license -## as follows: -## -## "Redistribution and use in source and binary forms, with or without -## modification, are permitted provided that the following conditions are -## met: -## * Redistributions of source code must retain the above copyright -## notice, this list of conditions and the following disclaimer. -## * Redistributions in binary form must reproduce the above copyright -## notice, this list of conditions and the following disclaimer in -## the documentation and/or other materials provided with the -## distribution. -## * Neither the name of The Qt Company Ltd nor the names of its -## contributors may be used to endorse or promote products derived -## from this software without specific prior written permission. -## -## -## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -## -## $QT_END_LICENSE$ -## -############################################################################ - -//! [0] -from PySide2.QtCore import Qt, QFile, QFileInfo, QSettings, QTextStream -from PySide2.QtGui import QIcon -from PySide2.Widgets import (QAction, QApplication, QFileDialog, QMainWindow, - QPlainTextEdit, QFileDialog, QMessageBox, ) -//! [0] - -//! [1] -def __init__(self, parent=None): - QMainWindow.__init__(self) -//! [1] //! [2] - self.textEdit = QPlainTextEdit() - self.setCentralWidget(textEdit) - - self.createActions() - self.createMenus() - self.createToolBars() - self.createStatusBar() - - self.readSettings() - - self.textEdit.document().contentsChanged.connect(self.documentWasModified) - - self.setCurrentFile("") - self.setUnifiedTitleAndToolBarOnMac(True) - -//! [2] - -//! [3] -def closeEvent(self, event): -//! [3] //! [4] - if maybeSave(): - writeSettings() - event.accept() - else: - event.ignore() -//! [4] - -//! [5] -def File(self): -//! [5] //! [6] - if maybeSave(): - textEdit.clear() - setCurrentFile("") -//! [6] - -//! [7] -def open(self): -//! [7] //! [8] - if maybeSave(): - fileName = QFileDialog.getOpenFileName(self) - if not fileName.isEmpty(): - loadFile(fileName) -//! [8] - -//! [9] -def save(self): -//! [9] //! [10] - if curFile.isEmpty(): - return saveAs() - else: - return saveFile(curFile) -//! [10] - -//! [11] -def saveAs(self): -//! [11] //! [12] - fileName = QFileDialog.getSaveFileName(self) - if fileName.isEmpty(): - return False - - return saveFile(fileName) -//! [12] - -//! [13] -def about(self): -//! [13] //! [14] - QMessageBox.about(self, tr("About Application"), - tr("The <b>Application</b> example demonstrates how to " - "write modern GUI applications using Qt, with a menu bar, " - "toolbars, and a status bar.")) - -//! [14] - -//! [15] -def documentWasModified(self): -//! [15] //! [16] - setWindowModified(textEdit.document().isModified()) -//! [16] - -//! [17] -def MainWindow.createActions(self): -//! [17] //! [18] - Act = QAction(QIcon(":/images/new.png"), tr("&New"), self) - Act.setShortcuts(QKeySequence.New) - Act.setStatusTip(tr("Create a new file")) - Act.triggered.connect(newFile) - -//! [19] - openAct = QAction(QIcon(":/images/open.png"), tr("&Open..."), self) - openAct.setShortcuts(QKeySequence.Open) - openAct.setStatusTip(tr("Open an existing file")) - openAct.triggered.connect(open) -//! [18] //! [19] - - saveAct = QAction(QIcon(":/images/save.png"), tr("&Save"), self) - saveAct.setShortcuts(QKeySequence.Save) - saveAct.setStatusTip(tr("Save the document to disk")) - saveAct.triggered.connect(save) - - saveAsAct = QAction(tr("Save &As..."), self) - saveAsAct.setShortcuts(QKeySequence.SaveAs) - saveAsAct.setStatusTip(tr("Save the document under a name")) - saveAsAct.triggered.connect(saveAs) - -//! [20] - exitAct = QAction(tr("E&xit"), self) - exitAct.setShortcut(tr("Ctrl+Q")) -//! [20] - exitAct.setStatusTip(tr("Exit the application")) - exitAct.triggered.connect(close) - -//! [21] - cutAct = QAction(QIcon(":/images/cut.png"), tr("Cu&t"), self) -//! [21] - cutAct.setShortcuts(QKeySequence.Cut) - cutAct.setStatusTip(tr("Cut the current selection's contents to the " - "clipboard")) - cutAct.triggered.connect(cut) - - copyAct = QAction(QIcon(":/images/copy.png"), tr("&Copy"), self) - copyAct.setShortcuts(QKeySequence.Copy) - copyAct.setStatusTip(tr("Copy the current selection's contents to the " - "clipboard")) - copyAct.triggered.connect(copy) - - pasteAct = QAction(QIcon(":/images/paste.png"), tr("&Paste"), self) - pasteAct.setShortcuts(QKeySequence.Paste) - pasteAct.setStatusTip(tr("Paste the clipboard's contents into the current " - "selection")) - pasteAct.triggered.connect(textEdit.paste) - - aboutAct = QAction(tr("&About"), self) - aboutAct.setStatusTip(tr("Show the application's About box")) - aboutAct.triggered.connect(about) - -//! [22] - aboutQtAct = QAction(tr("About &Qt"), self) - aboutQtAct.setStatusTip(tr("Show the Qt library's About box")) - aboutQtAct.triggered.connect(qApp.aboutQt) -//! [22] - -//! [23] - cutAct.setEnabled(False) -//! [23] //! [24] - copyAct.setEnabled(False) - textEdit.copyAvailable[bool].connect(cutAct.setEnabled) - textEdit.copyAvailable[bool].connect(copyAct.setEnabled) -} -//! [24] - -//! [25] //! [26] -def createMenus(self): -//! [25] //! [27] - fileMenu = menuBar().addMenu(tr("&File")) - fileMenu.addAction(Act) -//! [28] - fileMenu.addAction(openAct) -//! [28] - fileMenu.addAction(saveAct) -//! [26] - fileMenu.addAction(saveAsAct) - fileMenu.addSeparator() - fileMenu.addAction(exitAct) - - editMenu = menuBar().addMenu(tr("&Edit")) - editMenu.addAction(cutAct) - editMenu.addAction(copyAct) - editMenu.addAction(pasteAct) - - menuBar().addSeparator() - - helpMenu = menuBar().addMenu(tr("&Help")) - helpMenu.addAction(aboutAct) - helpMenu.addAction(aboutQtAct) - -//! [27] - -//! [29] //! [30] -def createToolBars(self): - fileToolBar = addToolBar(tr("File")) - fileToolBar.addAction(Act) -//! [29] //! [31] - fileToolBar.addAction(openAct) -//! [31] - fileToolBar.addAction(saveAct) - - editToolBar = addToolBar(tr("Edit")) - editToolBar.addAction(cutAct) - editToolBar.addAction(copyAct) - editToolBar.addAction(pasteAct) -//! [30] - -//! [32] -def createStatusBar(self): -//! [32] //! [33] - statusBar().showMessage(tr("Ready")) - -//! [33] - -//! [34] //! [35] -def readSettings(self): -//! [34] //! [36] - settings("Trolltech", "Application Example") - pos = settings.value("pos", QPoint(200, 200)).toPoint() - size = settings.value("size", QSize(400, 400)).toSize() - resize(size) - move(pos) - -//! [35] //! [36] - -//! [37] //! [38] -def writeSettings(self): -//! [37] //! [39] - settings = QSettings("Trolltech", "Application Example") - settings.setValue("pos", pos()) - settings.setValue("size", size()) - -//! [38] //! [39] - -//! [40] -def maybeSave(self): -//! [40] //! [41] - if textEdit.document()->isModified(): - ret = QMessageBox.warning(self, tr("Application"), - tr("The document has been modified.\n" - "Do you want to save your changes?"), - QMessageBox.Save | QMessageBox.Discard | QMessageBox.Cancel) - if ret == QMessageBox.Save: - return save() - elif ret == QMessageBox.Cancel: - return False - return True -//! [41] - -//! [42] -def loadFile(self, fileName): -//! [42] //! [43] - file = QFile(fileName) - if !file.open(QFile.ReadOnly | QFile.Text): - QMessageBox.warning(self, tr("Application"), tr("Cannot read file " - "{}:\n{}.".format(fileName, file.errorString()))) - return - - in = QTextStream(file) - QApplication.setOverrideCursor(Qt::WaitCursor) - textEdit.setPlainText(in.readAll()) - QApplication.restoreOverrideCursor() - - self.setCurrentFile(fileName) - self.statusBar().showMessage(tr("File loaded"), 2000) - -//! [43] - -//! [44] -def saveFile(self, fileName): -//! [44] //! [45] - file = QFile(fileName) - if !file.open(QFile.WriteOnly | QFile::Text): - QMessageBox.warning(self, tr("Application"), - tr("Cannot write file %1:\n%2.") - .arg(fileName) - .arg(file.errorString())) - return False - - out = QTextStream(file) - QApplication.setOverrideCursor(Qt.WaitCursor) - out << textEdit.toPlainText() - QApplication.restoreOverrideCursor() - - setCurrentFile(fileName) - statusBar().showMessage(tr("File saved"), 2000) - return True - -//! [45] - -//! [46] -def setCurrentFile(fileName): -//! [46] //! [47] - curFile = fileName - textEdit.document().setModified(False) - setWindowModified(False) - - if curFile.isEmpty(): - shownName = "untitled.txt" - else: - shownName = strippedName(curFile) - - setWindowTitle(tr("%1[*] - %2").arg(shownName).arg(tr("Application"))) - -//! [47] - -//! [48] -def strippedName(self, fullFileName): -//! [48] //! [49] - return QFileInfo(fullFileName).fileName() -//! [49] |