diff options
Diffstat (limited to 'examples/widgets/itemviews/basicsortfiltermodel/window.cpp')
-rw-r--r-- | examples/widgets/itemviews/basicsortfiltermodel/window.cpp | 77 |
1 files changed, 27 insertions, 50 deletions
diff --git a/examples/widgets/itemviews/basicsortfiltermodel/window.cpp b/examples/widgets/itemviews/basicsortfiltermodel/window.cpp index 5957ea7a1a..3e2e3fbefa 100644 --- a/examples/widgets/itemviews/basicsortfiltermodel/window.cpp +++ b/examples/widgets/itemviews/basicsortfiltermodel/window.cpp @@ -1,57 +1,24 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples 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 #include <QtWidgets> #include "window.h" +static inline QColor textColor(const QPalette &palette) +{ + return palette.color(QPalette::Active, QPalette::Text); +} + +static void setTextColor(QWidget *w, const QColor &c) +{ + auto palette = w->palette(); + if (textColor(palette) != c) { + palette.setColor(QPalette::Active, QPalette::Text, c); + w->setPalette(palette); + } +} + Window::Window() { proxyModel = new QSortFilterProxyModel; @@ -70,6 +37,7 @@ Window::Window() filterCaseSensitivityCheckBox = new QCheckBox(tr("Case sensitive filter")); filterPatternLineEdit = new QLineEdit; + filterPatternLineEdit->setClearButtonEnabled(true); filterPatternLabel = new QLabel(tr("&Filter pattern:")); filterPatternLabel->setBuddy(filterPatternLineEdit); @@ -160,7 +128,16 @@ void Window::filterRegularExpressionChanged() if (!filterCaseSensitivityCheckBox->isChecked()) options |= QRegularExpression::CaseInsensitiveOption; QRegularExpression regularExpression(pattern, options); - proxyModel->setFilterRegularExpression(regularExpression); + + if (regularExpression.isValid()) { + filterPatternLineEdit->setToolTip(QString()); + proxyModel->setFilterRegularExpression(regularExpression); + setTextColor(filterPatternLineEdit, textColor(style()->standardPalette())); + } else { + filterPatternLineEdit->setToolTip(regularExpression.errorString()); + proxyModel->setFilterRegularExpression(QRegularExpression()); + setTextColor(filterPatternLineEdit, Qt::red); + } } void Window::filterColumnChanged() |