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author | Marius Storm-Olsen <marius.storm-olsen@nokia.com> | 2012-05-10 09:11:17 +0200 |
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committer | Marius Storm-Olsen <marius.storm-olsen@nokia.com> | 2012-05-10 09:11:23 +0200 |
commit | 9456528aac80c6d4c41fa96d88696dc55414b710 (patch) | |
tree | f9fdcc9cd3c7468503590bec7ed082294a0cffde /src/testlib/doc/snippets/code/doc_src_qsignalspy.cpp | |
parent | 75552c8f62dcfb8012c306b37c79ec629448d780 (diff) | |
parent | ee38dec6f3aff6f7f277323c5c8488d4cd385693 (diff) |
Merge branch 'docs-refactoring' into master
Change-Id: Iebd1966abace3cdf7f9428dcfc1ded5b124ab113
Diffstat (limited to 'src/testlib/doc/snippets/code/doc_src_qsignalspy.cpp')
-rw-r--r-- | src/testlib/doc/snippets/code/doc_src_qsignalspy.cpp | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/testlib/doc/snippets/code/doc_src_qsignalspy.cpp b/src/testlib/doc/snippets/code/doc_src_qsignalspy.cpp new file mode 100644 index 0000000000..a957285cea --- /dev/null +++ b/src/testlib/doc/snippets/code/doc_src_qsignalspy.cpp @@ -0,0 +1,81 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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 Nokia Corporation and its Subsidiary(-ies) 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] +QCheckBox *box = ...; +QSignalSpy spy(box, SIGNAL(clicked(bool))); + +// do something that triggers the signal +box->animateClick(); + +QCOMPARE(spy.count(), 1); // make sure the signal was emitted exactly one time +QList<QVariant> arguments = spy.takeFirst(); // take the first signal + +QVERIFY(arguments.at(0).toBool() == true); // verify the first argument +//! [0] + + +//! [1] +QSignalSpy spy(myCustomObject, SIGNAL(mySignal(int, QString, double))); + +myCustomObject->doSomething(); // trigger emission of the signal + +QList<QVariant> arguments = spy.takeFirst(); +QVERIFY(arguments.at(0).type() == QVariant::Int); +QVERIFY(arguments.at(1).type() == QVariant::QString); +QVERIFY(arguments.at(2).type() == QVariant::double); +//! [1] + + +//! [2] +qRegisterMetaType<QModelIndex>("QModelIndex"); +QSignalSpy spy(&model, SIGNAL(whatever(QModelIndex))); +//! [2] + + +//! [3] +// get the first argument from the first received signal: +QModelIndex result = qvariant_cast<QModelIndex>(spy.at(0).at(0)); +//! [3] + + +//! [4] +QSignalSpy spy(myPushButton, SIGNAL(clicked(bool))); +//! [4] |