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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "tracer.h"
#include "findwidget.h"
#include <QtWidgets/QApplication>
#include <QtWidgets/QCheckBox>
#include <QtGui/QHideEvent>
#include <QtGui/QKeyEvent>
#include <QtWidgets/QLabel>
#include <QtWidgets/QLayout>
#include <QtWidgets/QLineEdit>
#include <QtWidgets/QToolButton>
QT_BEGIN_NAMESPACE
using namespace Qt::StringLiterals;
FindWidget::FindWidget(QWidget *parent)
: QWidget(parent)
, appPalette(qApp->palette())
{
TRACE_OBJ
installEventFilter(this);
QHBoxLayout *hboxLayout = new QHBoxLayout(this);
QString resourcePath = ":/qt-project.org/assistant/images/"_L1;
#ifndef Q_OS_MAC
hboxLayout->setContentsMargins({});
hboxLayout->setSpacing(6);
resourcePath.append("win"_L1);
#else
resourcePath.append("mac"_L1);
#endif
toolClose = setupToolButton({}, resourcePath + "/closetab.png"_L1);
hboxLayout->addWidget(toolClose);
connect(toolClose, &QAbstractButton::clicked, this, &QWidget::hide);
editFind = new QLineEdit(this);
hboxLayout->addWidget(editFind);
editFind->setMinimumSize(QSize(150, 0));
connect(editFind, &QLineEdit::textChanged, this, &FindWidget::textChanged);
connect(editFind, &QLineEdit::returnPressed, this, &FindWidget::findNext);
connect(editFind, &QLineEdit::textChanged, this, &FindWidget::updateButtons);
toolPrevious = setupToolButton(tr("Previous"), resourcePath + "/previous.png"_L1);
connect(toolPrevious, &QAbstractButton::clicked, this, &FindWidget::findPrevious);
hboxLayout->addWidget(toolPrevious);
toolNext = setupToolButton(tr("Next"), resourcePath + "/next.png"_L1);
hboxLayout->addWidget(toolNext);
connect(toolNext, &QAbstractButton::clicked, this, &FindWidget::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=\":/qt-project.org/assistant/images/wrap.png\""
"> 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(BROWSER_QTWEBKIT)
// TODO: remove this once webkit supports setting the palette
if (!event->spontaneous())
qApp->setPalette(appPalette);
#else // BROWSER_QTWEBKIT
Q_UNUSED(event);
#endif
}
void FindWidget::showEvent(QShowEvent* event)
{
TRACE_OBJ
#if defined(BROWSER_QTWEBKIT)
// 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 // BROWSER_QTWEBKIT
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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