File indexing completed on 2024-05-05 04:44:01

 /*
     SPDX-FileCopyrightText: 2008 Laurent Montel <montel@kde.org>
     SPDX-FileCopyrightText: 2008 Benjamin C. Meyer <ben@meyerhome.net>
     SPDX-FileCopyrightText: 2008 Urs Wolfer <uwolfer@kde.org>
     SPDX-FileCopyrightText: 2009 Dawit Alemayehu <adawit@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 
 */
 
 #include "searchbar.h"
 
 #include <KLineEdit>
 #include <KColorScheme>
 #include <KLocalizedString>
 
 #include <QIcon>
 #include <QResizeEvent>
 
 
 SearchBar::SearchBar(QWidget *parent)
     :QWidget(parent)
 {
 
     // Get the widget that currently has the focus so we can properly
     // restore it when the filter bar is closed.
     QWidget* widgetWindow = (parent ? parent->window() : nullptr);
     m_focusWidget = (widgetWindow ? widgetWindow->focusWidget() : nullptr);
 
     // Initialize the user interface...
     m_ui.setupUi(this);
     m_ui.optionsButton->addAction(m_ui.actionMatchCase);
     m_ui.optionsButton->addAction(m_ui.actionHighlightMatch);
     m_ui.optionsButton->addAction(m_ui.actionSearchAutomatically);
 
     setFocusProxy(m_ui.searchComboBox);
     
     connect(m_ui.nextButton, SIGNAL(clicked()),
             this, SLOT(findNext()));
     connect(m_ui.previousButton, SIGNAL(clicked()),
             this, SLOT(findPrevious()));
     connect(m_ui.searchComboBox, SIGNAL(returnPressed()),
             this, SLOT(findNext()));
     connect(m_ui.searchComboBox, SIGNAL(editTextChanged(QString)),
             this, SLOT(textChanged(QString)));
 
     // Start off hidden by default...
     setVisible(false);
 }
 
 SearchBar::~SearchBar()
 {
     // NOTE: For some reason, if we do not clear the focus from the line edit
     // widget before we delete this object, it seems to cause a crash!!
     m_ui.searchComboBox->clearFocus();
 }
 
 void SearchBar::clear()
 {
     m_ui.searchComboBox->clear();
 }
 
 void SearchBar::setVisible (bool visible)
 {
     if (visible) {
         m_ui.searchComboBox->setFocus(Qt::ActiveWindowFocusReason);
         m_ui.searchComboBox->lineEdit()->selectAll();
     } else {
         m_ui.searchComboBox->setPalette(QPalette());
         emit searchTextChanged(QString());
     }
 
     QWidget::setVisible(visible);
 }
 
 QString SearchBar::searchText() const
 {
     return m_ui.searchComboBox->currentText();
 }
 
 bool SearchBar::caseSensitive() const
 {
     return m_ui.actionMatchCase->isChecked();
 }
 
 bool SearchBar::highlightMatches() const
 {
     return m_ui.actionHighlightMatch->isChecked();
 }
 
 void SearchBar::setSearchText(const QString& text)
 {
     show();
     m_ui.searchComboBox->setEditText(text);
 }
 
 void SearchBar::setFoundMatch(bool match)
 {
     //qCDebug(KWEBKITPART_LOG) << match;
     if (m_ui.searchComboBox->currentText().isEmpty()) {
         m_ui.searchComboBox->setPalette(QPalette());
         return;
     }
 
     KColorScheme::BackgroundRole role = (match ? KColorScheme::PositiveBackground : KColorScheme::NegativeBackground);
     QPalette newPal(m_ui.searchComboBox->palette());
     KColorScheme::adjustBackground(newPal, role);
     m_ui.searchComboBox->setPalette(newPal);
 }
 
 void SearchBar::findNext()
 {
     if (!isVisible())
         return;
 
     const QString text (m_ui.searchComboBox->currentText());
     if (m_ui.searchComboBox->findText(text) == -1) {
         m_ui.searchComboBox->addItem(text);
     }
 
     emit searchTextChanged(text);
 }
 
 void SearchBar::findPrevious()
 {
     if (!isVisible())
         return;
 
     const QString text (m_ui.searchComboBox->currentText());
     if (m_ui.searchComboBox->findText(text) == -1) {
         m_ui.searchComboBox->addItem(text);
     }
 
     emit searchTextChanged(m_ui.searchComboBox->currentText(), true);
 }
 
 void SearchBar::textChanged(const QString &text)
 {
     if (text.isEmpty()) {
         m_ui.searchComboBox->setPalette(QPalette());
         m_ui.nextButton->setEnabled(false);
         m_ui.previousButton->setEnabled(false);
     } else {
         m_ui.nextButton->setEnabled(true);
         m_ui.previousButton->setEnabled(true);
     }
 
     if (m_ui.actionSearchAutomatically->isChecked()) {
         emit searchTextChanged(m_ui.searchComboBox->currentText());
     }
 }
 
 bool SearchBar::event(QEvent* e)
 {
     // Close the bar when Escape is pressed. Note we cannot
     // assign Escape as a shortcut key because it would cause
     // a conflict with the Stop button.
     if (e->type() == QEvent::ShortcutOverride) {
         QKeyEvent* kev = static_cast<QKeyEvent*>(e);
         if (kev->key() == Qt::Key_Escape) {
             e->accept();
             close();
             if (m_focusWidget) {
                 m_focusWidget->setFocus();
                 m_focusWidget = nullptr;
             }
             return true;
         }
     }
     return QWidget::event(e);
 }