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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 "webviewtabbar.h"
#include "browser.h"
#include <QAction>
#include <QContextMenuEvent>
#include <QMenu>
#include <QShortcut>
WebViewTabBar::WebViewTabBar(WebEngineProfile *profile, QWidget *parent) :
QTabBar(parent)
{
m_profile = profile;
setElideMode(Qt::ElideRight);
setTabsClosable(true);
setMovable(true);
setContextMenuPolicy(Qt::DefaultContextMenu);
connect(this, SIGNAL(tabCloseRequested(int)), this, SLOT(removeTab(int)));
connect(this, SIGNAL(currentChanged(int)), this, SLOT(handleCurrentChanged(int)));
connect(this, SIGNAL(tabMoved(int,int)), this, SLOT(updateVectorArrangement(int,int)));
QShortcut *tabCloseShortcut = new QShortcut(this);
tabCloseShortcut->setKey(QKeySequence::fromString(browser->settings()->value("window.shortcuts.tabClose").toString()));
connect(tabCloseShortcut, &QShortcut::activated, [this]() {
this->removeTab(currentIndex());
});
QShortcut *tabLeftShortcut = new QShortcut(this);
tabLeftShortcut->setKey(QKeySequence::fromString(browser->settings()->value("window.shortcuts.tabLeft").toString()));
connect(tabLeftShortcut, &QShortcut::activated, [this]() {
this->setCurrentIndex(currentIndex()-1);
});
QShortcut *tabRightShortcut = new QShortcut(this);
tabRightShortcut->setKey(QKeySequence::fromString(browser->settings()->value("window.shortcuts.tabRight").toString()));
connect(tabRightShortcut, &QShortcut::activated, [this]() {
this->setCurrentIndex(currentIndex()+1);
});
m_signalMapper = new QSignalMapper(this);
connect(m_signalMapper, SIGNAL(mapped(int)), this, SLOT(webAction(int)));
}
WebViewTabBar::~WebViewTabBar()
{
// cleanup
qDeleteAll(m_views);
m_views.clear();
}
QSignalMapper *WebViewTabBar::signalMapper()
{
return m_signalMapper;
}
int WebViewTabBar::addTab(const QUrl &url)
{
WebView *view = new WebView(0);
QWebEnginePage *page = new QWebEnginePage(m_profile);
view->setPage(page);
page->load(url);
m_views.append(view);
connect(view, &QWebEngineView::titleChanged, [this, view](const QString &title) {
int index = m_views.indexOf(view);
setTabText(index, title);
});
connect(view, &QWebEngineView::iconChanged, [this, view](const QIcon &icon) {
int index = m_views.indexOf(view);
setTabIcon(index, icon);
});
return QTabBar::addTab("New Tab");
}
void WebViewTabBar::setProfile(WebEngineProfile *profile)
{
Q_ASSERT(profile != nullptr);
m_profile = profile;
for(auto view : qAsConst(m_views)) {
QWebEnginePage *page = new QWebEnginePage(profile);
page->load(view->url());
view->setPage(page);
}
}
WebEngineProfile *WebViewTabBar::profile()
{
return m_profile;
}
WebView *WebViewTabBar::currentView()
{
return m_views.at(currentIndex());
}
void WebViewTabBar::contextMenuEvent(QContextMenuEvent *event)
{
int tabIndex = tabAt(event->pos());
if(tabIndex < 0) {
return;
}
QMenu menu(this);
QAction* closeAction = menu.addAction(tr("Close tab"));
connect(closeAction, &QAction::triggered, this, [tabIndex, this]() {
removeTab(tabIndex);
});
menu.exec(event->globalPos());
}
QSize WebViewTabBar::tabSizeHint(int index) const
{
Q_UNUSED(index)
return QSize(200, this->height());
}
void WebViewTabBar::handleCurrentChanged(int index)
{
if(index < 0) {
addTab(profile()->newtab());
return;
}
emit currentTabChanged(m_views.at(index));
}
void WebViewTabBar::removeTab(int index)
{
// remove the tab data from the index
m_views.at(index)->deleteLater();
m_views.remove(index);
// remove the tab from the QTabBar
// this emits the currentTabChanged signal, so it should be done after the view is removed from the index
QTabBar::removeTab(index);
}
void WebViewTabBar::updateTabText(WebView *view, const QString &text)
{
int index = m_views.indexOf(view);
setTabText(index, text);
}
void WebViewTabBar::updateVectorArrangement(int from, int to)
{
m_views.move(from, to);
}
void WebViewTabBar::webAction(int action)
{
switch (action) {
case WebActions::Back:
currentView()->pageAction(QWebEnginePage::Back)->trigger();
break;
case WebActions::Forward:
currentView()->pageAction(QWebEnginePage::Forward)->trigger();
break;
case WebActions::Reload:
currentView()->pageAction(QWebEnginePage::Reload)->trigger();
break;
case WebActions::Homepage:
currentView()->load(m_profile->homepage());
break;
}
}
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