132 lines
3.8 KiB
C++
132 lines
3.8 KiB
C++
/*
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Copyright 2013 Christian Surlykke
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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*/
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#include <QMenu>
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#include <QAction>
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#if QT_VERSION > 0x060000
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#include <QRegularExpression>
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#else
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#include <QRegExp>
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#endif
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#include <QDebug>
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#include "SearchBar.h"
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SearchBar::SearchBar(QWidget *parent) : QWidget(parent)
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{
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widget.setupUi(this);
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setAutoFillBackground(true); // make it always opaque, especially inside translucent windows
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connect(widget.closeButton, &QAbstractButton::clicked, this, &SearchBar::hide);
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connect(widget.searchTextEdit, SIGNAL(textChanged(QString)), this, SIGNAL(searchCriteriaChanged()));
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connect(widget.findPreviousButton, SIGNAL(clicked()), this, SIGNAL(findPrevious()));
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connect(widget.findNextButton, SIGNAL(clicked()), this, SIGNAL(findNext()));
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connect(this, SIGNAL(searchCriteriaChanged()), this, SLOT(clearBackgroundColor()));
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QMenu *optionsMenu = new QMenu(widget.optionsButton);
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widget.optionsButton->setMenu(optionsMenu);
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m_matchCaseMenuEntry = optionsMenu->addAction(tr("Match case"));
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m_matchCaseMenuEntry->setCheckable(true);
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m_matchCaseMenuEntry->setChecked(true);
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connect(m_matchCaseMenuEntry, SIGNAL(toggled(bool)), this, SIGNAL(searchCriteriaChanged()));
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m_useRegularExpressionMenuEntry = optionsMenu->addAction(tr("Regular expression"));
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m_useRegularExpressionMenuEntry->setCheckable(true);
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connect(m_useRegularExpressionMenuEntry, SIGNAL(toggled(bool)), this, SIGNAL(searchCriteriaChanged()));
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m_highlightMatchesMenuEntry = optionsMenu->addAction(tr("Highlight all matches"));
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m_highlightMatchesMenuEntry->setCheckable(true);
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m_highlightMatchesMenuEntry->setChecked(true);
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connect(m_highlightMatchesMenuEntry, SIGNAL(toggled(bool)), this, SIGNAL(highlightMatchesChanged(bool)));
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}
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SearchBar::~SearchBar() {
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}
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QString SearchBar::searchText()
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{
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return widget.searchTextEdit->text();
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}
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bool SearchBar::useRegularExpression()
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{
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return m_useRegularExpressionMenuEntry->isChecked();
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}
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bool SearchBar::matchCase()
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{
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return m_matchCaseMenuEntry->isChecked();
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}
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bool SearchBar::highlightAllMatches()
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{
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return m_highlightMatchesMenuEntry->isChecked();
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}
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void SearchBar::show()
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{
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QWidget::show();
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widget.searchTextEdit->setFocus();
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widget.searchTextEdit->selectAll();
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}
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void SearchBar::hide()
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{
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QWidget::hide();
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if (QWidget *p = parentWidget())
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{
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p->setFocus(Qt::OtherFocusReason); // give the focus to the parent widget on hiding
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}
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}
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void SearchBar::noMatchFound()
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{
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QPalette palette;
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palette.setColor(widget.searchTextEdit->backgroundRole(), QColor(255, 128, 128));
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widget.searchTextEdit->setPalette(palette);
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}
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void SearchBar::keyReleaseEvent(QKeyEvent* keyEvent)
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{
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if (keyEvent->key() == Qt::Key_Return || keyEvent->key() == Qt::Key_Enter)
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{
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if (keyEvent->modifiers() == Qt::ShiftModifier)
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{
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Q_EMIT findPrevious();
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}
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else
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{
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Q_EMIT findNext();
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}
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}
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else if (keyEvent->key() == Qt::Key_Escape)
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{
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hide();
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}
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}
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void SearchBar::clearBackgroundColor()
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{
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widget.searchTextEdit->setPalette(QWidget::window()->palette());
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}
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