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/*
SPDX-FileCopyrightText: 2017, 2020 Friedrich W. H. Kossebau <kossebau@kde.org>
SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "searchtoolbar.hpp"
// part
#include "ui_searchtoolbar.h"
// Qt
#include <QTextBrowser>
#include <QTextCursor>
SearchToolBar::SearchToolBar(QTextBrowser* markdownView, QWidget* parent)
: QWidget(parent)
, m_ui(new Ui::SearchToolBar)
, m_markdownView(markdownView)
{
m_ui->setupUi(this);
connect(m_ui->hideButton, &QToolButton::clicked,
this, &SearchToolBar::hide);
connect(m_ui->searchTextEdit, &QLineEdit::textEdited,
this, &SearchToolBar::searchIncrementally);
connect(m_ui->matchCaseCheckButton, &QAbstractButton::toggled,
this, &SearchToolBar::searchIncrementally);
connect(m_ui->searchTextEdit, &QLineEdit::returnPressed,
this, &SearchToolBar::searchNext);
connect(m_ui->nextButton, &QToolButton::clicked,
this, &SearchToolBar::searchNext);
connect(m_ui->previousButton, &QToolButton::clicked,
this, &SearchToolBar::searchPrevious);
// TODO: disable next/previous buttons if no (more) search hits, color coding in text field
}
SearchToolBar::~SearchToolBar() = default;
void SearchToolBar::searchNext()
{
const QString text = m_ui->searchTextEdit->text();
if (text.isEmpty()) {
startSearch();
return;
}
QTextDocument::FindFlags findFlags = {};
if (m_ui->matchCaseCheckButton->isChecked()) {
findFlags |= QTextDocument::FindCaseSensitively;
}
m_markdownView->find(text, findFlags);
}
void SearchToolBar::searchPrevious()
{
const QString text = m_ui->searchTextEdit->text();
if (text.isEmpty()) {
startSearch();
return;
}
QTextDocument::FindFlags findFlags = {QTextDocument::FindBackward};
if (m_ui->matchCaseCheckButton->isChecked()) {
findFlags |= QTextDocument::FindCaseSensitively;
}
m_markdownView->find(text, findFlags);
}
void SearchToolBar::startSearch()
{
// if there is seleted text, assume the user wants to search that selected text
// otherwise reuse any old term
const QString selectedText = m_markdownView->textCursor().selectedText();
if (!selectedText.isEmpty()) {
m_ui->searchTextEdit->setText(selectedText);
}
show();
m_ui->searchTextEdit->selectAll();
m_ui->searchTextEdit->setFocus();
}
void SearchToolBar::searchIncrementally()
{
QTextDocument::FindFlags findFlags = {};
if (m_ui->matchCaseCheckButton->isChecked()) {
findFlags |= QTextDocument::FindCaseSensitively;
}
// calling with changed text with added or removed chars at end will result in current
// selection kept, if also matching new text
// behaviour on changed case sensitivity though is advancing to next match even if current
// would be still matching. as there is no control about currently shown match, nothing
// we can do about it. thankfully case sensitivity does not happen too often, so should
// not be too grave UX
m_markdownView->find(m_ui->searchTextEdit->text(), findFlags);
}
void SearchToolBar::hideEvent(QHideEvent* event)
{
// finish search
// passing emptry string to reset search
m_markdownView->find(QString());
QWidget::hideEvent(event);
}
#include "moc_searchtoolbar.cpp"
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