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/**
* Copyright (C) 2021-2024 Saturneric <[email protected]>
*
* This file is part of GpgFrontend.
*
* GpgFrontend is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GpgFrontend is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
*
* The initial version of the source code is inherited from
* the gpg4usb project, which is under GPL-3.0-or-later.
*
* All the source code of GpgFrontend was modified and released by
* Saturneric <[email protected]> starting on May 12, 2021.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#include "FindWidget.h"
namespace GpgFrontend::UI {
FindWidget::FindWidget(QWidget* parent, PlainTextEditorPage* edit)
: QWidget(parent), m_text_page_(edit) {
find_edit_ = new QLineEdit(this);
auto* close_button =
new QPushButton(QIcon(":/icons/close.png"), QString(), this);
auto* next_button =
new QPushButton(QIcon(":/icons/button_next.png"), QString());
auto* previous_button =
new QPushButton(QIcon(":/icons/button_previous.png"), "");
auto* notification_widget_layout = new QHBoxLayout(this);
notification_widget_layout->setContentsMargins(10, 0, 0, 0);
notification_widget_layout->addWidget(new QLabel(tr("Find") + ": "));
notification_widget_layout->addWidget(find_edit_, 2);
notification_widget_layout->addWidget(next_button);
notification_widget_layout->addWidget(previous_button);
notification_widget_layout->addWidget(close_button);
this->setLayout(notification_widget_layout);
connect(find_edit_, &QLineEdit::textEdited, this, &FindWidget::slot_find);
connect(find_edit_, &QLineEdit::returnPressed, this,
&FindWidget::slot_find_next);
connect(next_button, &QPushButton::clicked, this,
&FindWidget::slot_find_next);
connect(previous_button, &QPushButton::clicked, this,
&FindWidget::slot_find_previous);
connect(close_button, &QPushButton::clicked, this, &FindWidget::slot_close);
// The timer is necessary for setting the focus
QTimer::singleShot(32, find_edit_, SLOT(setFocus()));
}
void FindWidget::set_background() {}
void FindWidget::slot_find_next() {
QTextCursor cursor = m_text_page_->GetTextPage()->textCursor();
cursor = m_text_page_->GetTextPage()->document()->find(
find_edit_->text(), cursor, QTextDocument::FindCaseSensitively);
// if end of document is reached, restart search from beginning
if (cursor.position() == -1) {
cursor = m_text_page_->GetTextPage()->document()->find(
find_edit_->text(), cursor, QTextDocument::FindCaseSensitively);
}
// cursor should not stay at -1, otherwise text is not editable
// todo: check how gedit handles this
if (cursor.position() != -1) {
m_text_page_->GetTextPage()->setTextCursor(cursor);
}
this->set_background();
}
void FindWidget::slot_find() {
QTextCursor cursor = m_text_page_->GetTextPage()->textCursor();
if (cursor.anchor() == -1) {
cursor = m_text_page_->GetTextPage()->document()->find(
find_edit_->text(), cursor, QTextDocument::FindCaseSensitively);
} else {
cursor = m_text_page_->GetTextPage()->document()->find(
find_edit_->text(), cursor.anchor(),
QTextDocument::FindCaseSensitively);
}
// if end of document is reached, restart search from beginning
if (cursor.position() == -1) {
cursor = m_text_page_->GetTextPage()->document()->find(
find_edit_->text(), cursor, QTextDocument::FindCaseSensitively);
}
// cursor should not stay at -1, otherwise text is not editable
// todo: check how gedit handles this
if (cursor.position() != -1) {
m_text_page_->GetTextPage()->setTextCursor(cursor);
}
this->set_background();
}
void FindWidget::slot_find_previous() {
QTextDocument::FindFlags flags;
flags |= QTextDocument::FindBackward;
flags |= QTextDocument::FindCaseSensitively;
QTextCursor cursor = m_text_page_->GetTextPage()->textCursor();
cursor = m_text_page_->GetTextPage()->document()->find(find_edit_->text(),
cursor, flags);
// if begin of document is reached, restart search from end
if (cursor.position() == -1) {
cursor = m_text_page_->GetTextPage()->document()->find(
find_edit_->text(), QTextCursor::End, flags);
}
// cursor should not stay at -1, otherwise text is not editable
// todo: check how gedit handles this
if (cursor.position() != -1) {
m_text_page_->GetTextPage()->setTextCursor(cursor);
}
this->set_background();
}
void FindWidget::keyPressEvent(QKeyEvent* e) {
switch (e->key()) {
case Qt::Key_Escape:
this->slot_close();
break;
case Qt::Key_F3:
if (e->modifiers() & Qt::ShiftModifier) {
this->slot_find_previous();
} else {
this->slot_find_next();
}
break;
}
}
void FindWidget::slot_close() {
QTextCursor cursor = m_text_page_->GetTextPage()->textCursor();
if (cursor.position() == -1) {
cursor.setPosition(0);
m_text_page_->GetTextPage()->setTextCursor(cursor);
}
m_text_page_->setFocus();
close();
}
} // namespace GpgFrontend::UI
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