File indexing completed on 2024-05-12 04:58:13

 /* ============================================================
 * Falkon - Qt web browser
 * Copyright (C) 2010-2018 David Rosca <nowrep@gmail.com>
 *
 * 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 "statusbar.h"
 #include "browserwindow.h"
 #include "tabwidget.h"
 #include "tabbedwebview.h"
 #include "mainapplication.h"
 #include "webpage.h"
 #include "proxystyle.h"
 #include "qztools.h"
 #include "abstractbuttoninterface.h"
 #include "clickablelabel.h"
 
 #include <QStyleOptionFrame>
 #include <QToolTip>
 #include <QStylePainter>
 #include <QTimer>
 #include <QMouseEvent>
 
 class StatusBarButton : public ClickableLabel
 {
 public:
     explicit StatusBarButton(AbstractButtonInterface *button, QWidget *parent = nullptr);
 
 private:
     void clicked();
     void updateIcon();
     void updateToolTip();
 
     AbstractButtonInterface *m_button;
 };
 
 StatusBarButton::StatusBarButton(AbstractButtonInterface *button, QWidget *parent)
     : ClickableLabel(parent)
     , m_button(button)
 {
     setFixedSize(16, 16);
     setCursor(Qt::PointingHandCursor);
 
     updateIcon();
     updateToolTip();
     setVisible(m_button->isVisible());
 
     connect(this, &ClickableLabel::clicked, this, &StatusBarButton::clicked);
     connect(m_button, &AbstractButtonInterface::iconChanged, this, &StatusBarButton::updateIcon);
     connect(m_button, &AbstractButtonInterface::activeChanged, this, &StatusBarButton::updateIcon);
     connect(m_button, &AbstractButtonInterface::toolTipChanged, this, &StatusBarButton::updateToolTip);
     connect(m_button, &AbstractButtonInterface::badgeTextChanged, this, &StatusBarButton::updateToolTip);
     connect(m_button, &AbstractButtonInterface::visibleChanged, this, &StatusBarButton::setVisible);
 }
 
 void StatusBarButton::clicked()
 {
     auto *c = new AbstractButtonInterface::ClickController;
     c->visualParent = this;
     c->popupPosition = [=](const QSize &size) {
         QPoint pos = mapToGlobal(rect().topRight());
         if (QApplication::isRightToLeft()) {
             pos.setX(pos.x() - rect().width());
         } else {
             pos.setX(pos.x() - size.width());
         }
         pos.setY(pos.y() - size.height());
         c->popupOpened = true;
         return pos;
     };
     c->popupClosed = [=]() {
         delete c;
     };
     Q_EMIT m_button->clicked(c);
     if (!c->popupOpened) {
         c->popupClosed();
     }
 }
 
 void StatusBarButton::updateIcon()
 {
     const QIcon::Mode mode = m_button->isActive() ? QIcon::Normal : QIcon::Disabled;
     const QImage img = m_button->icon().pixmap(size(), mode).toImage();
     setPixmap(QPixmap::fromImage(img, Qt::MonoOnly));
 }
 
 void StatusBarButton::updateToolTip()
 {
     QString text = m_button->toolTip();
     if (!m_button->badgeText().isEmpty()) {
         text.append(QSL(" (%1)").arg(m_button->badgeText()));
     }
     setToolTip(text);
 }
 
 TipLabel::TipLabel(QWidget* parent)
     : SqueezeLabelV1(parent)
 {
     setWindowFlags(Qt::ToolTip);
     setForegroundRole(QPalette::ToolTipText);
     setBackgroundRole(QPalette::ToolTipBase);
     setPalette(QToolTip::palette());
     ensurePolished();
     setFrameStyle(QFrame::NoFrame);
     setContentsMargins(3, 3, 3, 3);
 
     m_timer = new QTimer(this);
     m_timer->setSingleShot(true);
     m_timer->setInterval(500);
     connect(m_timer, &QTimer::timeout, this, &QWidget::hide);
 }
 
 void TipLabel::show(QWidget* widget)
 {
     m_timer->stop();
 
     widget->installEventFilter(this);
     SqueezeLabelV1::show();
 }
 
 void TipLabel::hideDelayed()
 {
     m_timer->start();
 }
 
 void TipLabel::paintEvent(QPaintEvent* ev)
 {
     QStylePainter p(this);
     QStyleOptionFrame opt;
     opt.initFrom(this);
     p.drawPrimitive(QStyle::PE_PanelTipLabel, opt);
     p.end();
 
     SqueezeLabelV1::paintEvent(ev);
 }
 
 bool TipLabel::eventFilter(QObject* o, QEvent* e)
 {
     Q_UNUSED(o);
 
     switch (e->type()) {
     case QEvent::Leave:
     case QEvent::WindowDeactivate:
     case QEvent::Wheel:
         hide();
         break;
 
     case QEvent::MouseMove:
     case QEvent::MouseButtonPress:
     case QEvent::MouseButtonRelease:
         if (o == this)
             hide();
         break;
 
     default:
         break;
     }
 
     return false;
 }
 
 StatusBar::StatusBar(BrowserWindow* window)
     : m_window(window)
     , m_statusBarText(new TipLabel(window))
 {
 }
 
 void StatusBar::showMessage(const QString &message, int timeout)
 {
     if (isVisible()) {
         const static QChar LRE(0x202a);
         QStatusBar::showMessage(message.isRightToLeft() ? message : (LRE + message), timeout);
         return;
     }
 
     if (mApp->activeWindow() != m_window) {
         return;
     }
 
     WebView* view = m_window->weView();
 
     const int verticalScrollSize = view->scrollBarGeometry(Qt::Vertical).width();;
     const int horizontalScrollSize = view->scrollBarGeometry(Qt::Horizontal).height();
 
     m_statusBarText->setText(message);
     m_statusBarText->setMaximumWidth(view->width() - verticalScrollSize);
     m_statusBarText->resize(m_statusBarText->sizeHint());
 
     QPoint position(0, view->height() - horizontalScrollSize - m_statusBarText->height());
     const QRect statusRect = QRect(view->mapToGlobal(QPoint(0, position.y())), m_statusBarText->size());
 
     if (statusRect.contains(QCursor::pos())) {
         position.setY(position.y() - m_statusBarText->height());
     }
 
     m_statusBarText->move(view->mapToGlobal(position));
     m_statusBarText->show(view);
 }
 
 void StatusBar::clearMessage()
 {
     QStatusBar::clearMessage();
     m_statusBarText->hideDelayed();
 }
 
 void StatusBar::addButton(AbstractButtonInterface *button)
 {
     if (!button || !button->isValid()) {
         return;
     }
 
     auto *widget = new StatusBarButton(button, this);
     widget->setProperty("button-id", button->id());
 
     WidgetData data;
     data.id = button->id();
     data.widget = widget;
     data.button = button;
     m_widgets[data.id] = data;
 
     addPermanentWidget(widget);
 }
 
 void StatusBar::removeButton(AbstractButtonInterface *button)
 {
     if (!button || !m_widgets.contains(button->id())) {
         return;
     }
 
     delete m_widgets.take(button->id()).widget;
 }
 
 void StatusBar::mousePressEvent(QMouseEvent *event)
 {
     if (event->button() == Qt::RightButton) {
         QMenu context;
         context.addAction(tr("Hide"), m_window, &BrowserWindow::toggleShowStatusBar);
         context.exec(QCursor::pos());
     }
 
     QStatusBar::mousePressEvent(event);
 }