diff options
Diffstat (limited to 'sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_corelib_kernel_qobject.py')
| -rw-r--r-- | sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_corelib_kernel_qobject.py | 375 |
1 files changed, 0 insertions, 375 deletions
diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_corelib_kernel_qobject.py b/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_corelib_kernel_qobject.py deleted file mode 100644 index 7e50f6701..000000000 --- a/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_corelib_kernel_qobject.py +++ /dev/null @@ -1,375 +0,0 @@ -############################################################################ -## -## Copyright (C) 2016 The Qt Company Ltd. -## Contact: https://www.qt.io/licensing/ -## -## This file is part of the documentation 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] -lineEdit = qt_find_obj_child(myWidget, "QLineEdit", "my line edit") -if lineEdit: - lineEdit.setText("Default") -//! [0] - - -//! [1] -obj = QPushButton() -obj.metaObject().className() # returns "QPushButton" - -QPushButton.staticMetaObject.className() # returns "QPushButton" -//! [1] - - -//! [2] -QPushButton.staticMetaObject.className() # returns "QPushButton" - -obj = QPushButton() -obj.metaObject().className() # returns "QPushButton" -//! [2] - - -//! [3] -obj = QTimer() # QTimer inherits QObject - -timer = obj -# timer == (QObject *)obj - -button = obj -# button == 0 -//! [3] - - -//! [4] -timer = QTimer() # QTimer inherits QObject -timer.inherits("QTimer") # returns true -timer.inherits("QObject") # returns true -timer.inherits("QAbstractButton") # returns false - -# QLayout inherits QObject and QLayoutItem -layout = QLayout() -layout.inherits("QObject") # returns true -layout.inherits("QLayoutItem") # returns false -//! [4] - - -//! [5] -print("MyClass.setPrecision(): ({}) invalid precision {}".format(qPrintable(objectName()), - newPrecision)) -//! [5] - - -//! [6] -class MainWindow(QMainWindow): - def __init__(self): - self.textEdit = QTextEdit() - setCentralWidget(self.textEdit) - textEdit.installEventFilter(self) - - def eventFilter(self, obj, event): - if obj == textEdit: - if event.type() == QEvent.KeyPress: - keyEvent = event - print("Ate key press", keyEvent.key()) - return true - else: - return false - else: - # pass the event on to the parent class - return QMainWindow.eventFilter(self, obj, event) -//! [6] - - -//! [7] -myObject.moveToThread(QApplication.instance().thread()) -//! [7] - - -//! [8] -class MyObject(QObject): - def __init__(self, parent): - QObject.__init__(self, parent) - - self.startTimer(50) # 50-millisecond timer - self.startTimer(1000) # 1-second timer - self.startTimer(60000) # 1-minute timer - - - def timerEvent(self, event): - print("Timer ID:", event.timerId()) - -//! [8] - - -//! [9] -a_list = window().queryList("QAbstractButton") -for obj in a_list: - obj.setEnabled(false) -//! [9] - - -//! [10] -button = parentWidget.findChild(QPushButton, "button1") -//! [10] - - -//! [11] -a_list = parentWidget.findChild(QListWidget) -//! [11] - - -//! [12] -widgets = parentWidget.findChildren(QWidget, "widgetname") -//! [12] - - -//! [13] -allPButtons = parentWidget.findChildren(QPushButton) -//! [13] - - -//! [14] -monitoredObj.installEventFilter(filterObj) -//! [14] - - -//! [15] -class KeyPressEater(QObject): - def eventFilter(self, obj, event): - if event.type() == QEvent.KeyPress: - print("Ate key press", event.key()) - return True - else: - # standard event processing - return QObject.eventFilter(self, obj, event) -//! [15] - - -//! [16] -keyPressEater = KeyPressEater(self) -pushButton = QPushButton(self) -listView = QListView(self) - -pushButton.installEventFilter(keyPressEater) -listView.installEventFilter(keyPressEater) -//! [16] - - -//! [17] -def __init__(self): - senderLabel = QLabel(self.tr("Name:")) - recipientLabel = QLabel(self.tr("Name:", "recipient")) - # ... -//! [17] - - -//! [18] -n = messages.count(); -showMessage(self.tr("%n message(s) saved", "", n)); -//! [18] - - -//! [19] -if n == 1: - self.tr("%n message saved") -else: - self.tr("%n messages saved") -//! [19] - - -//! [20] -label.setText(self.tr("F\374r \310lise")) -//! [20] - - -//! [21] -if receivers(SIGNAL('valueChanged()')) > 0: - data = get_the_value() # expensive operation - self.valueChanged(data) -//! [21] - - -//! [22] -label = QLabel() -scrollBar = QScrollBar() -QObject.connect(scrollBar, SIGNAL('valueChanged(int)'), - label, SLOT('setNum(int)')); -# or scrollBar.valueChanged.connect(label.setNum) -//! [22] - - -//! [23] -// WRONG -QObject.connect(scrollBar, SIGNAL('valueChanged(int value)'), - label, SLOT('setNum(int value)')); -//! [23] - - -//! [24] -class MyWidget(QWidget): - def __init__(self): - myButton = QPushButton(self) - myButton.clicked.connect(self.buttonClicked) -//! [24] - - -//! [25] -QObject.connect: Cannot queue arguments of type 'MyType' -(Make sure 'MyType' is registered using qRegisterMetaType().) -//! [25] - - -//! [26] -disconnect(myObject, 0, 0, 0) -//! [26] - - -//! [27] -myObject.disconnect() -//! [27] - - -//! [28] -disconnect(myObject, SIGNAL('mySignal()'), 0, 0) -//! [28] - - -//! [29] -myObject.disconnect(SIGNAL('mySignal()')) -//! [29] - - -//! [30] -disconnect(myObject, 0, myReceiver, 0) -//! [30] - - -//! [31] -myObject.disconnect(myReceiver) -//! [31] - - -//! [32] -if QLatin1String(signal) == SIGNAL('valueChanged()'): - # signal is valueChanged() -//! [32] - - -//! [33] -def on_<object name>_<signal name>(<signal parameters>) -//! [33] - - -//! [34] -def on_button1_clicked() -//! [34] - - -//! [35] -class MyClass(QObject): - Q_CLASSINFO("Author", "Pierre Gendron") - Q_CLASSINFO("URL", "http://www.my-organization.qc.ca") - -//! [35] - - -//! [36] -Q_PROPERTY(type name - READ getFunction - [WRITE setFunction] - [RESET resetFunction] - [DESIGNABLE bool] - [SCRIPTABLE bool] - [STORED bool] - [USER bool]) -//! [36] - - -//! [37] -Q_PROPERTY(QString title READ title WRITE setTitle USER true) -//! [37] - - -//! [38] -#this does not apply to Python -class MyClass(QObject): - - #Q_OBJECT, not needed - #Q_ENUMS(Priority), not supported - - def __init__(self, parent=None): - pass - - class Priority(Enum): - High = 1 - Low = 2 - VeryHigh = 3 - VeryLow 4 - - def setPriority(self, priority): - pass - - priority = Property(...) -}; -//! [38] - - -//! [39] -#this does not apply to Python -Q_FLAGS(Options Alignment) -//! [39] - - -//! [40] -# This name refers to a host name. -hostNameLabel.setText(self.tr("Name:")) - -# This text refers to a C++ code example. -example = self.tr("Example") -//! [40] - -//! [explicit tr context] -text = QScrollBar.tr("Page up") -//! [explicit tr context] |