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/*
* SPDX-FileCopyrightText: 2014 Emmanuel Pescosta <[email protected]>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "dolphintabbar.h"
#include <KLocalizedString>
#include <QDragEnterEvent>
#include <QMenu>
#include <QMimeData>
#include <QTimer>
class PreventFocusWhileHidden : public QObject
{
public:
PreventFocusWhileHidden(QObject *parent)
: QObject(parent){};
protected:
bool eventFilter(QObject *obj, QEvent *ev) override
{
switch (ev->type()) {
case QEvent::Hide:
static_cast<QWidget *>(obj)->setFocusPolicy(Qt::NoFocus);
return false;
case QEvent::Show:
static_cast<QWidget *>(obj)->setFocusPolicy(Qt::TabFocus);
return false;
default:
return false;
}
};
};
DolphinTabBar::DolphinTabBar(QWidget *parent)
: QTabBar(parent)
, m_autoActivationIndex(-1)
, m_tabToBeClosedOnMiddleMouseButtonRelease(-1)
{
setAcceptDrops(true);
setSelectionBehaviorOnRemove(QTabBar::SelectPreviousTab);
setMovable(true);
setTabsClosable(true);
setFocusPolicy(Qt::NoFocus);
installEventFilter(new PreventFocusWhileHidden(this));
m_autoActivationTimer = new QTimer(this);
m_autoActivationTimer->setSingleShot(true);
m_autoActivationTimer->setInterval(800);
connect(m_autoActivationTimer, &QTimer::timeout, this, &DolphinTabBar::slotAutoActivationTimeout);
}
void DolphinTabBar::dragEnterEvent(QDragEnterEvent *event)
{
const QMimeData *mimeData = event->mimeData();
const int index = tabAt(event->position().toPoint());
if (mimeData->hasUrls()) {
event->acceptProposedAction();
updateAutoActivationTimer(index);
}
QTabBar::dragEnterEvent(event);
}
void DolphinTabBar::dragLeaveEvent(QDragLeaveEvent *event)
{
updateAutoActivationTimer(-1);
QTabBar::dragLeaveEvent(event);
}
void DolphinTabBar::dragMoveEvent(QDragMoveEvent *event)
{
const QMimeData *mimeData = event->mimeData();
const int index = tabAt(event->position().toPoint());
if (mimeData->hasUrls()) {
Q_EMIT tabDragMoveEvent(index, event);
updateAutoActivationTimer(index);
}
QTabBar::dragMoveEvent(event);
}
void DolphinTabBar::dropEvent(QDropEvent *event)
{
// Disable the auto activation timer
updateAutoActivationTimer(-1);
const QMimeData *mimeData = event->mimeData();
const int index = tabAt(event->position().toPoint());
if (mimeData->hasUrls()) {
Q_EMIT tabDropEvent(index, event);
}
QTabBar::dropEvent(event);
}
void DolphinTabBar::mousePressEvent(QMouseEvent *event)
{
const int index = tabAt(event->pos());
if (index >= 0 && event->button() == Qt::MiddleButton) {
m_tabToBeClosedOnMiddleMouseButtonRelease = index;
return;
}
QTabBar::mousePressEvent(event);
}
void DolphinTabBar::mouseReleaseEvent(QMouseEvent *event)
{
const int index = tabAt(event->pos());
if (index >= 0 && index == m_tabToBeClosedOnMiddleMouseButtonRelease && event->button() == Qt::MiddleButton) {
// Mouse middle click on a tab closes this tab.
Q_EMIT tabCloseRequested(index);
return;
}
QTabBar::mouseReleaseEvent(event);
}
void DolphinTabBar::mouseDoubleClickEvent(QMouseEvent *event)
{
if (event->buttons() & Qt::LeftButton) {
int index = tabAt(event->pos());
if (index < 0) {
// empty tabbar area case
index = currentIndex();
}
// Double left click on the tabbar opens a new activated tab
// with the url from the doubleclicked tab or currentTab otherwise.
Q_EMIT openNewActivatedTab(index);
}
QTabBar::mouseDoubleClickEvent(event);
}
void DolphinTabBar::contextMenuEvent(QContextMenuEvent *event)
{
const int index = tabAt(event->pos());
if (index >= 0) {
// Tab context menu
QMenu menu(this);
QAction *newTabAction = menu.addAction(QIcon::fromTheme(QStringLiteral("tab-new")), i18nc("@action:inmenu", "New Tab"));
QAction *detachTabAction = menu.addAction(QIcon::fromTheme(QStringLiteral("tab-detach")), i18nc("@action:inmenu", "Detach Tab"));
QAction *closeOtherTabsAction = menu.addAction(QIcon::fromTheme(QStringLiteral("tab-close-other")), i18nc("@action:inmenu", "Close Other Tabs"));
QAction *closeTabAction = menu.addAction(QIcon::fromTheme(QStringLiteral("tab-close")), i18nc("@action:inmenu", "Close Tab"));
QAction *selectedAction = menu.exec(event->globalPos());
if (selectedAction == newTabAction) {
Q_EMIT openNewActivatedTab(index);
} else if (selectedAction == detachTabAction) {
Q_EMIT tabDetachRequested(index);
} else if (selectedAction == closeOtherTabsAction) {
const int tabCount = count();
for (int i = 0; i < index; i++) {
Q_EMIT tabCloseRequested(0);
}
for (int i = index + 1; i < tabCount; i++) {
Q_EMIT tabCloseRequested(1);
}
} else if (selectedAction == closeTabAction) {
Q_EMIT tabCloseRequested(index);
}
return;
}
QTabBar::contextMenuEvent(event);
}
void DolphinTabBar::slotAutoActivationTimeout()
{
if (m_autoActivationIndex >= 0) {
setCurrentIndex(m_autoActivationIndex);
updateAutoActivationTimer(-1);
}
}
void DolphinTabBar::updateAutoActivationTimer(const int index)
{
if (m_autoActivationIndex != index) {
m_autoActivationIndex = index;
if (m_autoActivationIndex < 0) {
m_autoActivationTimer->stop();
} else {
m_autoActivationTimer->start();
}
}
}
#include "moc_dolphintabbar.cpp"
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