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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Assistant of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include "tracer.h"
+#include "findwidget.h"
+
+#include <QtGui/QApplication>
+#include <QtGui/QCheckBox>
+#include <QtGui/QHideEvent>
+#include <QtGui/QKeyEvent>
+#include <QtGui/QLabel>
+#include <QtGui/QLayout>
+#include <QtGui/QLineEdit>
+#include <QtGui/QToolButton>
+
+QT_BEGIN_NAMESPACE
+
+FindWidget::FindWidget(QWidget *parent)
+ : QWidget(parent)
+ , appPalette(qApp->palette())
+{
+ TRACE_OBJ
+ installEventFilter(this);
+ QHBoxLayout *hboxLayout = new QHBoxLayout(this);
+ QString resourcePath = QLatin1String(":/trolltech/assistant/images/");
+
+#ifndef Q_OS_MAC
+ hboxLayout->setMargin(0);
+ hboxLayout->setSpacing(6);
+ resourcePath.append(QLatin1String("win"));
+#else
+ resourcePath.append(QLatin1String("mac"));
+#endif
+
+ toolClose = setupToolButton(QLatin1String(""),
+ resourcePath + QLatin1String("/closetab.png"));
+ hboxLayout->addWidget(toolClose);
+ connect(toolClose, SIGNAL(clicked()), SLOT(hide()));
+
+ editFind = new QLineEdit(this);
+ hboxLayout->addWidget(editFind);
+ editFind->setMinimumSize(QSize(150, 0));
+ connect(editFind, SIGNAL(textChanged(QString)), this,
+ SLOT(textChanged(QString)));
+ connect(editFind, SIGNAL(returnPressed()), this, SIGNAL(findNext()));
+ connect(editFind, SIGNAL(textChanged(QString)), this, SLOT(updateButtons()));
+
+ toolPrevious = setupToolButton(tr("Previous"),
+ resourcePath + QLatin1String("/previous.png"));
+ connect(toolPrevious, SIGNAL(clicked()), this, SIGNAL(findPrevious()));
+
+ hboxLayout->addWidget(toolPrevious);
+
+ toolNext = setupToolButton(tr("Next"),
+ resourcePath + QLatin1String("/next.png"));
+ hboxLayout->addWidget(toolNext);
+ connect(toolNext, SIGNAL(clicked()), this, SIGNAL(findNext()));
+
+ checkCase = new QCheckBox(tr("Case Sensitive"), this);
+ hboxLayout->addWidget(checkCase);
+
+ labelWrapped = new QLabel(this);
+ labelWrapped->setScaledContents(true);
+ labelWrapped->setTextFormat(Qt::RichText);
+ labelWrapped->setMinimumSize(QSize(0, 20));
+ labelWrapped->setMaximumSize(QSize(105, 20));
+ labelWrapped->setAlignment(Qt::AlignLeading | Qt::AlignLeft | Qt::AlignVCenter);
+ labelWrapped->setText(tr("<img src=\":/trolltech/assistant/images/wrap.png\""
+ ">&nbsp;Search wrapped"));
+ hboxLayout->addWidget(labelWrapped);
+
+ QSpacerItem *spacerItem = new QSpacerItem(20, 20, QSizePolicy::Expanding,
+ QSizePolicy::Minimum);
+ hboxLayout->addItem(spacerItem);
+ setMinimumWidth(minimumSizeHint().width());
+ labelWrapped->hide();
+
+ updateButtons();
+}
+
+FindWidget::~FindWidget()
+{
+ TRACE_OBJ
+}
+
+void FindWidget::show()
+{
+ TRACE_OBJ
+ QWidget::show();
+ editFind->selectAll();
+ editFind->setFocus(Qt::ShortcutFocusReason);
+}
+
+void FindWidget::showAndClear()
+{
+ TRACE_OBJ
+ show();
+ editFind->clear();
+}
+
+QString FindWidget::text() const
+{
+ TRACE_OBJ
+ return editFind->text();
+}
+
+bool FindWidget::caseSensitive() const
+{
+ TRACE_OBJ
+ return checkCase->isChecked();
+}
+
+void FindWidget::setPalette(bool found)
+{
+ TRACE_OBJ
+ QPalette palette = editFind->palette();
+ palette.setColor(QPalette::Active, QPalette::Base, found ? Qt::white
+ : QColor(255, 102, 102));
+ editFind->setPalette(palette);
+}
+
+void FindWidget::setTextWrappedVisible(bool visible)
+{
+ TRACE_OBJ
+ labelWrapped->setVisible(visible);
+}
+
+void FindWidget::hideEvent(QHideEvent* event)
+{
+ TRACE_OBJ
+#if !defined(QT_NO_WEBKIT)
+ // TODO: remove this once webkit supports setting the palette
+ if (!event->spontaneous())
+ qApp->setPalette(appPalette);
+#else
+ Q_UNUSED(event);
+#endif
+}
+
+void FindWidget::showEvent(QShowEvent* event)
+{
+ TRACE_OBJ
+#if !defined(QT_NO_WEBKIT)
+ // TODO: remove this once webkit supports setting the palette
+ if (!event->spontaneous()) {
+ QPalette p = appPalette;
+ p.setColor(QPalette::Inactive, QPalette::Highlight,
+ p.color(QPalette::Active, QPalette::Highlight));
+ p.setColor(QPalette::Inactive, QPalette::HighlightedText,
+ p.color(QPalette::Active, QPalette::HighlightedText));
+ qApp->setPalette(p);
+ }
+#else
+ Q_UNUSED(event);
+#endif
+}
+
+void FindWidget::updateButtons()
+{
+ TRACE_OBJ
+ const bool enable = !editFind->text().isEmpty();
+ toolNext->setEnabled(enable);
+ toolPrevious->setEnabled(enable);
+}
+
+void FindWidget::textChanged(const QString &text)
+{
+ TRACE_OBJ
+ emit find(text, true, true);
+}
+
+bool FindWidget::eventFilter(QObject *object, QEvent *e)
+{
+ TRACE_OBJ
+ if (e->type() == QEvent::KeyPress) {
+ if ((static_cast<QKeyEvent*>(e))->key() == Qt::Key_Escape) {
+ hide();
+ emit escapePressed();
+ }
+ }
+ return QWidget::eventFilter(object, e);
+}
+
+QToolButton* FindWidget::setupToolButton(const QString &text, const QString &icon)
+{
+ TRACE_OBJ
+ QToolButton *toolButton = new QToolButton(this);
+
+ toolButton->setText(text);
+ toolButton->setAutoRaise(true);
+ toolButton->setIcon(QIcon(icon));
+ toolButton->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
+
+ return toolButton;
+}
+
+QT_END_NAMESPACE
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