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/*******************************************************************************
**
** smolbote: yet another qute browser
** Copyright (C) 2017 Xian Nox
**
** This program 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.
**
** This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
**
******************************************************************************/
#include "urllineedit.h"
#include <QUrl>
#include <QTimer>
#include <QAction>
#include <QStyle>
#include <QWidgetAction>
UrlLineEdit::UrlLineEdit(QWidget *parent) :
QLineEdit(parent)
{
setPlaceholderText(tr("Enter address"));
setContextMenuPolicy(Qt::NoContextMenu);
QTextCharFormat hostnameFormat;
hostnameFormat.setFontWeight(QFont::Bold);
m_hostFormat.format = hostnameFormat;
m_contextMenu = new QMenu(this);
m_contextMenu->addAction("Copy URL", this, SLOT(copyUrl()));
m_contextMenu->addAction("Paste URL", this, SLOT(pasteUrl()));
m_contextMenu->addAction("Paste URL and go", this, SLOT(pasteUrlAndGo()));
m_contextMenu->addSeparator();
m_contextMenu->addAction("Bookmark this page", this, SLOT(bookmarkUrl()))->setEnabled(false);
QAction *contextAction = addAction(style()->standardIcon(QStyle::SP_TitleBarMinButton), ActionPosition::TrailingPosition);
contextAction->setShortcut(QKeySequence::fromString("F3"));
connect(contextAction, SIGNAL(triggered()), this, SLOT(showMenu()));
m_menu = new QMenu(this);
m_menu->setWindowFlags(Qt::FramelessWindowHint | Qt::Tool);
listWidget = new QListWidget();
listWidget->addItem("start.duckduckgo.com");
listWidget->addItem("neueland.iserlohn-fortress.net");
connect(listWidget, &QListWidget::itemSelectionChanged, [this]() {
setText(listWidget->currentItem()->text());
});
connect(listWidget, &QListWidget::itemActivated, [this](QListWidgetItem *item) {
setText(listWidget->currentItem()->text());;
this->m_menu->hide();
});
QWidgetAction *listAction = new QWidgetAction(m_menu);
listAction->setDefaultWidget(listWidget);
m_menu->addAction(listAction);
QAction *closeAction = m_menu->addAction("Close");
connect(closeAction, SIGNAL(triggered()), m_menu, SLOT(hide()));
// connect signals
connect(this, SIGNAL(textEdited(QString)), this, SLOT(showCompleter(QString)));
connect(this, &QLineEdit::returnPressed, [this]() {
m_menu->hide();
});
}
void UrlLineEdit::setUrl(const QUrl &url)
{
QString urlText = url.toString();
QString domain = url.host();
m_hostFormat.start = urlText.indexOf(domain);
m_hostFormat.length = domain.length();
clear();
clearTextFormat();
setTextFormat(m_hostFormat);
setText(urlText);
}
void UrlLineEdit::focusInEvent(QFocusEvent *event)
{
clearTextFormat();
QLineEdit::focusInEvent(event);
// select the contents when receiving focus
// http://stackoverflow.com/a/35725950/1054406
// mousePressEvent triggers right after focusInEvent so text selected in focusInEvent unselects by mousePressEvent
QTimer::singleShot(0, this, SLOT(selectAll()));
}
void UrlLineEdit::resizeEvent(QResizeEvent *event)
{
QLineEdit::resizeEvent(event);
m_menu->setFixedWidth(width());
}
void UrlLineEdit::keyPressEvent(QKeyEvent *event)
{
if(event->key() == Qt::Key_Down) {
if(!listWidget->isVisible()) {
showCompleter(text());
return;
} else {
// listWidget is visible
int newIndex = listWidget->currentRow()+1;
if(newIndex < listWidget->count()) {
listWidget->setCurrentRow(newIndex, QItemSelectionModel::SelectCurrent);
}
return;
}
} else if(event->key() == Qt::Key_Up) {
if(listWidget->isVisible()) {
int newIndex = listWidget->currentRow()-1;
if(newIndex >= 0) {
listWidget->setCurrentRow(newIndex, QItemSelectionModel::SelectCurrent);
}
return;
}
}
QLineEdit::keyPressEvent(event);
}
// formatting taken from: https://forum.qt.io/topic/60962/setting-qlineedit-text-bold
void UrlLineEdit::setTextFormat(const QTextLayout::FormatRange &format)
{
QList<QInputMethodEvent::Attribute> attributes;
attributes.append(QInputMethodEvent::Attribute(QInputMethodEvent::TextFormat, format.start, format.length, format.format));
QInputMethodEvent ev(QString(), attributes);
event(&ev);
}
void UrlLineEdit::clearTextFormat()
{
setTextFormat(QTextLayout::FormatRange());
}
// Completer
void UrlLineEdit::showCompleter(const QString &text)
{
m_menu->move(mapToGlobal(QPoint(0, height())));
//listWidget->setCurrentRow(0, QItemSelectionModel::SelectCurrent);
m_menu->exec();
}
// Menu
void UrlLineEdit::showMenu()
{
m_contextMenu->exec(mapToGlobal(QPoint(width() - m_contextMenu->width(), height())));
}
void UrlLineEdit::copyUrl()
{
selectAll();
copy();
deselect();
}
void UrlLineEdit::pasteUrl()
{
clear();
paste();
}
void UrlLineEdit::pasteUrlAndGo()
{
clear();
paste();
emit returnPressed();
}
void UrlLineEdit::bookmarkUrl()
{
qDebug("TODO: bookmarkUrl()");
}
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