1 files changed, 124 insertions, 0 deletions
diff --git a/examples/widgets/itemviews/customsortfiltermodel/filterwidget.cpp b/examples/widgets/itemviews/customsortfiltermodel/filterwidget.cpp
new file mode 100644
index 0000000000..053c56d4c4
--- /dev/null
+++ b/examples/widgets/itemviews/customsortfiltermodel/filterwidget.cpp
@@ -0,0 +1,124 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the 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 Digia Plc 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "filterwidget.h"
+
+#include <QIcon>
+#include <QPixmap>
+#include <QImage>
+#include <QMenu>
+#include <QAction>
+#include <QActionGroup>
+#include <QToolButton>
+#include <QWidgetAction>
+#include <QDebug>
+
+FilterWidget::FilterWidget(QWidget *parent)
+    : QLineEdit(parent)
+    , m_patternGroup(new QActionGroup(this))
+{
+    setClearButtonEnabled(true);
+    connect(this, SIGNAL(textChanged(QString)), this, SIGNAL(filterChanged()));
+
+    QMenu *menu = new QMenu(this);
+    m_caseSensitivityAction = menu->addAction(tr("Case Sensitive"));
+    m_caseSensitivityAction->setCheckable(true);
+    connect(m_caseSensitivityAction, SIGNAL(toggled(bool)), this, SIGNAL(filterChanged()));
+
+    menu->addSeparator();
+    m_patternGroup->setExclusive(true);
+    QAction *patternAction = menu->addAction("Fixed String");
+    patternAction->setData(QVariant(int(QRegExp::FixedString)));
+    patternAction->setCheckable(true);
+    patternAction->setChecked(true);
+    m_patternGroup->addAction(patternAction);
+    patternAction = menu->addAction("Regular Expression");
+    patternAction->setCheckable(true);
+    patternAction->setData(QVariant(int(QRegExp::RegExp2)));
+    m_patternGroup->addAction(patternAction);
+    patternAction = menu->addAction("Wildcard");
+    patternAction->setCheckable(true);
+    patternAction->setData(QVariant(int(QRegExp::Wildcard)));
+    m_patternGroup->addAction(patternAction);
+    connect(m_patternGroup, SIGNAL(triggered(QAction*)), this, SIGNAL(filterChanged()));
+
+    const QIcon icon = QIcon(QPixmap(":/images/find.png"));
+    QToolButton *optionsButton = new QToolButton;
+    optionsButton->setCursor(Qt::ArrowCursor);
+    optionsButton->setFocusPolicy(Qt::NoFocus);
+    optionsButton->setStyleSheet("* { border: none; }");
+    optionsButton->setIcon(icon);
+    optionsButton->setMenu(menu);
+    optionsButton->setPopupMode(QToolButton::InstantPopup);
+
+    QWidgetAction *optionsAction = new QWidgetAction(this);
+    optionsAction->setDefaultWidget(optionsButton);
+    addAction(optionsAction, QLineEdit::LeadingPosition);
+}
+
+Qt::CaseSensitivity FilterWidget::caseSensitivity() const
+{
+    return m_caseSensitivityAction->isChecked() ? Qt::CaseSensitive : Qt::CaseInsensitive;
+}
+
+void FilterWidget::setCaseSensitivity(Qt::CaseSensitivity cs)
+{
+    m_caseSensitivityAction->setChecked(cs == Qt::CaseSensitive);
+}
+
+static inline QRegExp::PatternSyntax patternSyntaxFromAction(const QAction *a)
+{
+    return static_cast<QRegExp::PatternSyntax>(a->data().toInt());
+}
+
+QRegExp::PatternSyntax FilterWidget::patternSyntax() const
+{
+    return patternSyntaxFromAction(m_patternGroup->checkedAction());
+}
+
+void FilterWidget::setPatternSyntax(QRegExp::PatternSyntax s)
+{
+    foreach (QAction *a, m_patternGroup->actions()) {
+        if (patternSyntaxFromAction(a) == s) {
+            a->setChecked(true);
+            break;
+        }
+    }
+}