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-rw-r--r--src/corelib/doc/snippets/code/src_corelib_kernel_qobject.cpp109
1 files changed, 16 insertions, 93 deletions
diff --git a/src/corelib/doc/snippets/code/src_corelib_kernel_qobject.cpp b/src/corelib/doc/snippets/code/src_corelib_kernel_qobject.cpp
index 8a007899e3..e3bbac7a3c 100644
--- a/src/corelib/doc/snippets/code/src_corelib_kernel_qobject.cpp
+++ b/src/corelib/doc/snippets/code/src_corelib_kernel_qobject.cpp
@@ -1,52 +1,5 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the documentation of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** 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."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
//! [1]
QObject *obj = new QPushButton;
@@ -176,13 +129,6 @@ void MyObject::timerEvent(QTimerEvent *event)
//! [8]
-//! [9]
-QList<QObject *> list = window()->queryList("QAbstractButton"));
-foreach (QObject *obj, list)
- static_cast<QAbstractButton *>(obj)->setEnabled(false);
-//! [9]
-
-
//! [10]
QPushButton *button = parentWidget->findChild<QPushButton *>("button1");
//! [10]
@@ -251,22 +197,6 @@ MyWindow::MyWindow()
}
-//! [18]
-int n = messages.count();
-showMessage(tr("%n message(s) saved", "", n));
-//! [18]
-
-
-//! [19]
-n == 1 ? tr("%n message saved") : tr("%n messages saved")
-//! [19]
-
-
-//! [20]
-label->setText(tr("F\374r \310lise"));
-//! [20]
-
-
//! [21]
if (receivers(SIGNAL(valueChanged(QByteArray))) > 0) {
QByteArray data;
@@ -430,21 +360,13 @@ public:
//! [39]
-//! [40]
-//: This name refers to a host name.
-hostNameLabel->setText(tr("Name:"));
-
-/*: This text refers to a C++ code example. */
-QString example = tr("Example");
-//! [40]
-
//! [41]
QPushButton *button = parentWidget->findChild<QPushButton *>("button1", Qt::FindDirectChildrenOnly);
//! [41]
//! [42]
-QListWidget *list = parentWidget->findChild<QListWidget *>(QString(), Qt::FindDirectChildrenOnly);
+QListWidget *list = parentWidget->findChild<QListWidget *>(Qt::FindDirectChildrenOnly);
//! [42]
@@ -534,18 +456,6 @@ public:
};
//! [52]
-//! [meta data]
-//: This is a comment for the translator.
-//= qtn_foo_bar
-//~ loc-layout_id foo_dialog
-//~ loc-blank False
-//~ magic-stuff This might mean something magic.
-QString text = MyMagicClass::tr("Sim sala bim.");
-//! [meta data]
-
-//! [explicit tr context]
-QString text = QScrollBar::tr("Page up");
-//! [explicit tr context]
//! [53]
{
@@ -559,3 +469,16 @@ const bool wasBlocked = someQObject->blockSignals(true);
// no signals here
someQObject->blockSignals(wasBlocked);
//! [54]
+
+{
+//! [invalid-timer-id]
+ QObject *obj;
+ ...
+ int id = obj->startTimer(100ms);
+ if (id > Qt::TimerId::Invalid)
+ // The timer has been started successfully
+
+ if (id > 0) // Equivalent, albeit less readable
+ // The timer has been started successfully
+//! [invalid-timer-id]
+}