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/*
* This file is part of smolbote. It's copyrighted by the contributors recorded
* in the version control history of the file, available from its original
* location: https://neueland.iserlohn-fortress.net/gitea/aqua/smolbote
*
* SPDX-License-Identifier: GPL-3.0
*/
#include "tabwidget.h"
#include "browser.h"
#include "webengine/webview.h"
#include <QAction>
#include <QContextMenuEvent>
#include <QMenu>
#include <QTabBar>
#include "webprofile.h"
#include <QWebEngineHistory>
inline WebView *createViewFromInfo(TabWidget::TabInformation &tab, QWidget *parent)
{
auto *view = new WebView(tab.profile, parent);
QDataStream stream(&tab.historyBuffer, QIODevice::ReadOnly);
stream >> *view->history();
view->history()->goToItem(view->history()->itemAt(tab.historyIndex));
return view;
}
TabWidget::TabWidget(QWidget *parent)
: QTabWidget(parent)
{
setStyleSheet("QTabBar::tab { width: 200px; }");
setTabsClosable(true);
//setTabBarAutoHide(true);
setElideMode(Qt::ElideRight);
setMovable(true);
connect(this, &TabWidget::tabCloseRequested, this, &TabWidget::deleteTab);
// when changing tabs, give focus to the widget
// otherwise when closing tabs, the tabwidget will retain focus
connect(this, &TabWidget::currentChanged, this, [this](int index) {
if(widget(index))
widget(index)->setFocus();
});
// context menu
tabContextMenu = new QMenu(this);
auto *closeTab = tabContextMenu->addAction(tr("Close Tab"));
connect(closeTab, &QAction::triggered, this, [this]() {
deleteTab(this->tabBar()->tabAt(mapFromGlobal(tabContextMenu->pos())));
});
auto *closeTabsLeft = tabContextMenu->addAction(tr("Close Tabs left"));
connect(closeTabsLeft, &QAction::triggered, this, [this]() {
int idx = this->tabBar()->tabAt(mapFromGlobal(tabContextMenu->pos()));
for(int i = idx - 1; i >= 0; --i) {
deleteTab(i);
}
});
auto *closeTabsRight = tabContextMenu->addAction(tr("Close Tabs right"));
connect(closeTabsRight, &QAction::triggered, this, [this]() {
int idx = this->tabBar()->tabAt(mapFromGlobal(tabContextMenu->pos()));
for(int i = count() - 1; i > idx; --i) {
deleteTab(i);
}
});
}
TabWidget::~TabWidget()
{
for(int i = count() - 1; i >= 0; i--) {
delete widget(i);
}
}
QMenu *TabWidget::createTabMenu(QWidget *parent)
{
auto *menu = new QMenu(parent);
auto *reopenTabAction = menu->addAction(tr("Reopen last tab"));
connect(reopenTabAction, &QAction::triggered, this, [this]() {
if(!m_closedTabs.isEmpty()) {
TabInformation tab = m_closedTabs.takeLast();
addTab(createViewFromInfo(tab, this));
}
});
auto *tabHistoryMenu = menu->addMenu(tr("Tab History"));
connect(tabHistoryMenu, &QMenu::aboutToShow, this, [this, tabHistoryMenu]() {
tabHistoryMenu->clear();
for(int i = 0; i < m_closedTabs.count(); ++i) {
auto *openAction = tabHistoryMenu->addAction(m_closedTabs.at(i).title);
connect(openAction, &QAction::triggered, this, [this, i]() {
TabInformation tab = m_closedTabs.takeAt(i);
addTab(createViewFromInfo(tab, this));
});
}
tabHistoryMenu->addSeparator();
auto *clearTabHistory = tabHistoryMenu->addAction(tr("Clear"));
connect(clearTabHistory, &QAction::triggered, this, [this]() {
m_closedTabs.clear();
});
});
connect(menu, &QMenu::aboutToShow, this, [this, reopenTabAction, tabHistoryMenu]() {
if(m_closedTabs.isEmpty()) {
reopenTabAction->setEnabled(false);
tabHistoryMenu->setEnabled(false);
} else {
reopenTabAction->setEnabled(true);
tabHistoryMenu->setEnabled(true);
}
});
return menu;
}
int TabWidget::addTab(WebView *view)
{
Q_ASSERT_X(view != nullptr, "TabWidget::addTab", "Tried to add null view");
int idx = QTabWidget::addTab(view, view->title());
connect(view, &WebView::titleChanged, [this, view](const QString &title) {
int idx = this->indexOf(view);
Q_ASSERT(idx != -1);
this->setTabText(idx, title);
});
connect(view, &WebView::iconChanged, [this, view](const QIcon &icon) {
int idx = this->indexOf(view);
Q_ASSERT(idx != -1);
this->setTabIcon(idx, icon);
});
return idx;
}
void TabWidget::deleteTab(int index)
{
// deleting the widget automatically removes the tab?
WebView *w = qobject_cast<WebView *>(widget(index));
TabInformation tab;
tab.profile = w->profile();
tab.title = w->title();
tab.historyIndex = w->history()->currentItemIndex();
QDataStream stream(&tab.historyBuffer, QIODevice::WriteOnly);
stream << *w->history();
m_closedTabs.enqueue(tab);
while(m_closedTabs.length() > 5) {
m_closedTabs.dequeue();
}
disconnect(w);
delete w;
if(count() == 0)
parentWidget()->close();
}
void TabWidget::contextMenuEvent(QContextMenuEvent *event)
{
// check if the context menu was called on a tab
int tabIndex = tabBar()->tabAt(event->pos());
if(tabIndex < 0) {
return;
}
tabContextMenu->exec(event->globalPos());
}
void TabWidget::mousePressEvent(QMouseEvent *event)
{
if(event->button() == Qt::MiddleButton) {
int index = tabBar()->tabAt(event->pos());
if(index >= 0) {
deleteTab(index);
}
event->accept();
return;
}
QTabWidget::mousePressEvent(event);
}
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