diff options
Diffstat (limited to 'examples/mainwindows/application/application.py')
| -rwxr-xr-x | examples/mainwindows/application/application.py | 106 |
1 files changed, 72 insertions, 34 deletions
diff --git a/examples/mainwindows/application/application.py b/examples/mainwindows/application/application.py index 43605ff..f1f2ca7 100755 --- a/examples/mainwindows/application/application.py +++ b/examples/mainwindows/application/application.py @@ -1,21 +1,57 @@ #!/usr/bin/env python -# This is only needed for Python v2 but is harmless for Python v3. -#import sip -#sip.setapi('QVariant', 2) - -from PySide2 import QtCore, QtGui +############################################################################# +## +## Copyright (C) 2013 Riverbank Computing Limited. +## Copyright (C) 2016 The Qt Company Ltd. +## Contact: http://www.qt.io/licensing/ +## +## This file is part of the PySide examples of the Qt Toolkit. +## +## $QT_BEGIN_LICENSE:BSD$ +## 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." +## +## $QT_END_LICENSE$ +## +############################################################################# + +from PySide2 import QtCore, QtGui, QtWidgets import application_rc - -class MainWindow(QtGui.QMainWindow): +class MainWindow(QtWidgets.QMainWindow): def __init__(self): super(MainWindow, self).__init__() self.curFile = '' - self.textEdit = QtGui.QTextEdit() + self.textEdit = QtWidgets.QTextEdit() self.setCentralWidget(self.textEdit) self.createActions() @@ -44,7 +80,7 @@ class MainWindow(QtGui.QMainWindow): def open(self): if self.maybeSave(): - fileName, filtr = QtGui.QFileDialog.getOpenFileName(self) + fileName, filtr = QtWidgets.QFileDialog.getOpenFileName(self) if fileName: self.loadFile(fileName) @@ -55,14 +91,14 @@ class MainWindow(QtGui.QMainWindow): return self.saveAs() def saveAs(self): - fileName, filtr = QtGui.QFileDialog.getSaveFileName(self) + fileName, filtr = QtWidgets.QFileDialog.getSaveFileName(self) if fileName: return self.saveFile(fileName) return False def about(self): - QtGui.QMessageBox.about(self, "About Application", + QtWidgets.QMessageBox.about(self, "About Application", "The <b>Application</b> example demonstrates how to write " "modern GUI applications using Qt, with a menu bar, " "toolbars, and a status bar.") @@ -71,48 +107,48 @@ class MainWindow(QtGui.QMainWindow): self.setWindowModified(self.textEdit.document().isModified()) def createActions(self): - self.newAct = QtGui.QAction(QtGui.QIcon(':/images/new.png'), "&New", + self.newAct = QtWidgets.QAction(QtGui.QIcon(':/images/new.png'), "&New", self, shortcut=QtGui.QKeySequence.New, statusTip="Create a new file", triggered=self.newFile) - self.openAct = QtGui.QAction(QtGui.QIcon(':/images/open.png'), + self.openAct = QtWidgets.QAction(QtGui.QIcon(':/images/open.png'), "&Open...", self, shortcut=QtGui.QKeySequence.Open, statusTip="Open an existing file", triggered=self.open) - self.saveAct = QtGui.QAction(QtGui.QIcon(':/images/save.png'), + self.saveAct = QtWidgets.QAction(QtGui.QIcon(':/images/save.png'), "&Save", self, shortcut=QtGui.QKeySequence.Save, statusTip="Save the document to disk", triggered=self.save) - self.saveAsAct = QtGui.QAction("Save &As...", self, + self.saveAsAct = QtWidgets.QAction("Save &As...", self, shortcut=QtGui.QKeySequence.SaveAs, statusTip="Save the document under a new name", triggered=self.saveAs) - self.exitAct = QtGui.QAction("E&xit", self, shortcut="Ctrl+Q", + self.exitAct = QtWidgets.QAction("E&xit", self, shortcut="Ctrl+Q", statusTip="Exit the application", triggered=self.close) - self.cutAct = QtGui.QAction(QtGui.QIcon(':/images/cut.png'), "Cu&t", + self.cutAct = QtWidgets.QAction(QtGui.QIcon(':/images/cut.png'), "Cu&t", self, shortcut=QtGui.QKeySequence.Cut, statusTip="Cut the current selection's contents to the clipboard", triggered=self.textEdit.cut) - self.copyAct = QtGui.QAction(QtGui.QIcon(':/images/copy.png'), + self.copyAct = QtWidgets.QAction(QtGui.QIcon(':/images/copy.png'), "&Copy", self, shortcut=QtGui.QKeySequence.Copy, statusTip="Copy the current selection's contents to the clipboard", triggered=self.textEdit.copy) - self.pasteAct = QtGui.QAction(QtGui.QIcon(':/images/paste.png'), + self.pasteAct = QtWidgets.QAction(QtGui.QIcon(':/images/paste.png'), "&Paste", self, shortcut=QtGui.QKeySequence.Paste, statusTip="Paste the clipboard's contents into the current selection", triggered=self.textEdit.paste) - self.aboutAct = QtGui.QAction("&About", self, + self.aboutAct = QtWidgets.QAction("&About", self, statusTip="Show the application's About box", triggered=self.about) - self.aboutQtAct = QtGui.QAction("About &Qt", self, + self.aboutQtAct = QtWidgets.QAction("About &Qt", self, statusTip="Show the Qt library's About box", - triggered=QtGui.qApp.aboutQt) + triggered=QtWidgets.qApp.aboutQt) self.cutAct.setEnabled(False) self.copyAct.setEnabled(False) @@ -167,28 +203,28 @@ class MainWindow(QtGui.QMainWindow): def maybeSave(self): if self.textEdit.document().isModified(): - ret = QtGui.QMessageBox.warning(self, "Application", + ret = QtWidgets.QMessageBox.warning(self, "Application", "The document has been modified.\nDo you want to save " "your changes?", - QtGui.QMessageBox.Save | QtGui.QMessageBox.Discard | - QtGui.QMessageBox.Cancel) - if ret == QtGui.QMessageBox.Save: + QtWidgets.QMessageBox.Save | QtWidgets.QMessageBox.Discard | + QtWidgets.QMessageBox.Cancel) + if ret == QtWidgets.QMessageBox.Save: return self.save() - elif ret == QtGui.QMessageBox.Cancel: + elif ret == QtWidgets.QMessageBox.Cancel: return False return True def loadFile(self, fileName): file = QtCore.QFile(fileName) if not file.open(QtCore.QFile.ReadOnly | QtCore.QFile.Text): - QtGui.QMessageBox.warning(self, "Application", + QtWidgets.QMessageBox.warning(self, "Application", "Cannot read file %s:\n%s." % (fileName, file.errorString())) return inf = QtCore.QTextStream(file) - QtGui.QApplication.setOverrideCursor(QtCore.Qt.WaitCursor) + QtWidgets.QApplication.setOverrideCursor(QtCore.Qt.WaitCursor) self.textEdit.setPlainText(inf.readAll()) - QtGui.QApplication.restoreOverrideCursor() + QtWidgets.QApplication.restoreOverrideCursor() self.setCurrentFile(fileName) self.statusBar().showMessage("File loaded", 2000) @@ -196,14 +232,16 @@ class MainWindow(QtGui.QMainWindow): def saveFile(self, fileName): file = QtCore.QFile(fileName) if not file.open(QtCore.QFile.WriteOnly | QtCore.QFile.Text): - QtGui.QMessageBox.warning(self, "Application", + QtWidgets.QMessageBox.warning(self, "Application", "Cannot write file %s:\n%s." % (fileName, file.errorString())) return False outf = QtCore.QTextStream(file) - QtGui.QApplication.setOverrideCursor(QtCore.Qt.WaitCursor) + QtWidgets.QApplication.setOverrideCursor(QtCore.Qt.WaitCursor) + + # FIXME: Once file is out of scope, the file is empty, instead of having text. outf << self.textEdit.toPlainText() - QtGui.QApplication.restoreOverrideCursor() + QtWidgets.QApplication.restoreOverrideCursor() self.setCurrentFile(fileName); self.statusBar().showMessage("File saved", 2000) @@ -229,7 +267,7 @@ if __name__ == '__main__': import sys - app = QtGui.QApplication(sys.argv) + app = QtWidgets.QApplication(sys.argv) mainWin = MainWindow() mainWin.show() sys.exit(app.exec_()) |