diff --git a/src/lib/tabwidget/tabbar.cpp b/src/lib/tabwidget/tabbar.cpp index 2b2ddd72..b695be9c 100644 --- a/src/lib/tabwidget/tabbar.cpp +++ b/src/lib/tabwidget/tabbar.cpp @@ -1,671 +1,665 @@ /* ============================================================ * Falkon - Qt web browser * Copyright (C) 2010-2018 David Rosca * * 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 . * ============================================================ */ #include "tabbar.h" #include "tabwidget.h" #include "browserwindow.h" #include "webtab.h" #include "toolbutton.h" #include "settings.h" #include "tabbedwebview.h" #include "mainapplication.h" #include "pluginproxy.h" #include "iconprovider.h" #include "tabcontextmenu.h" #include "searchenginesmanager.h" #include #include #include #include #include #include #include #include #include #include #define MIMETYPE QSL("application/falkon.tabbar.tab") TabBar::TabBar(BrowserWindow* window, TabWidget* tabWidget) : ComboTabBar() , m_window(window) , m_tabWidget(tabWidget) , m_hideTabBarWithOneTab(false) , m_showCloseOnInactive(0) , m_normalTabWidth(0) , m_activeTabWidth(0) , m_forceHidden(false) { setObjectName("tabbar"); setElideMode(Qt::ElideRight); setFocusPolicy(Qt::NoFocus); setTabsClosable(false); setMouseTracking(true); setDocumentMode(true); setAcceptDrops(true); setDrawBase(false); setMovable(true); connect(this, SIGNAL(currentChanged(int)), this, SLOT(currentTabChanged(int))); // ComboTabBar features setUsesScrollButtons(true); setCloseButtonsToolTip(BrowserWindow::tr("Close Tab")); connect(this, SIGNAL(overFlowChanged(bool)), this, SLOT(overflowChanged(bool))); if (mApp->isPrivate()) { QLabel* privateBrowsing = new QLabel(this); privateBrowsing->setObjectName(QSL("private-browsing-icon")); privateBrowsing->setPixmap(IconProvider::privateBrowsingIcon().pixmap(16)); privateBrowsing->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter); privateBrowsing->setFixedWidth(30); addCornerWidget(privateBrowsing, Qt::TopLeftCorner); } } void TabBar::loadSettings() { Settings settings; settings.beginGroup("Browser-Tabs-Settings"); m_hideTabBarWithOneTab = settings.value("hideTabsWithOneTab", false).toBool(); bool activateLastTab = settings.value("ActivateLastTabWhenClosingActual", false).toBool(); m_showCloseOnInactive = settings.value("showCloseOnInactiveTabs", 0).toInt(0); settings.endGroup(); setSelectionBehaviorOnRemove(activateLastTab ? QTabBar::SelectPreviousTab : QTabBar::SelectRightTab); setVisible(!(count() <= 1 && m_hideTabBarWithOneTab)); setUpLayout(); } TabWidget* TabBar::tabWidget() const { return m_tabWidget; } void TabBar::setVisible(bool visible) { if (m_forceHidden) { ComboTabBar::setVisible(false); return; } // Make sure to honor user preference if (visible) { visible = !(count() <= 1 && m_hideTabBarWithOneTab); } ComboTabBar::setVisible(visible); } void TabBar::setForceHidden(bool hidden) { m_forceHidden = hidden; setVisible(!m_forceHidden); } void TabBar::overflowChanged(bool overflowed) { // Make sure close buttons on inactive tabs are hidden // This is needed for when leaving fullscreen from non-overflowed to overflowed state if (overflowed && m_showCloseOnInactive != 1) { setTabsClosable(false); showCloseButton(currentIndex()); } } QSize TabBar::tabSizeHint(int index, bool fast) const { if (!m_window->isVisible()) { // Don't calculate it when window is not visible // It produces invalid size anyway return QSize(-1, -1); } const int pinnedTabWidth = comboTabBarPixelMetric(ComboTabBar::PinnedTabWidth); const int minTabWidth = comboTabBarPixelMetric(ComboTabBar::NormalTabMinimumWidth); QSize size = ComboTabBar::tabSizeHint(index); // The overflowed tabs have same size and we can use this fast method if (fast) { size.setWidth(index >= pinnedTabsCount() ? minTabWidth : pinnedTabWidth); return size; } WebTab* webTab = qobject_cast(m_tabWidget->widget(index)); TabBar* tabBar = const_cast (this); if (webTab && webTab->isPinned()) { size.setWidth(pinnedTabWidth); } else { int availableWidth = mainTabBarWidth() - comboTabBarPixelMetric(ExtraReservedWidth); if (availableWidth < 0) { return QSize(-1, -1); } const int normalTabsCount = ComboTabBar::normalTabsCount(); const int maxTabWidth = comboTabBarPixelMetric(ComboTabBar::NormalTabMaximumWidth); if (availableWidth >= maxTabWidth * normalTabsCount) { m_normalTabWidth = maxTabWidth; size.setWidth(m_normalTabWidth); } else if (normalTabsCount > 0) { const int minActiveTabWidth = comboTabBarPixelMetric(ComboTabBar::ActiveTabMinimumWidth); int maxWidthForTab = availableWidth / normalTabsCount; int realTabWidth = maxWidthForTab; bool adjustingActiveTab = false; if (realTabWidth < minActiveTabWidth) { maxWidthForTab = normalTabsCount > 1 ? (availableWidth - minActiveTabWidth) / (normalTabsCount - 1) : 0; realTabWidth = minActiveTabWidth; adjustingActiveTab = true; } bool tryAdjusting = availableWidth >= minTabWidth * normalTabsCount; if (m_showCloseOnInactive != 1 && tabsClosable() && availableWidth < (minTabWidth + 25) * normalTabsCount) { // Hiding close buttons to save some space tabBar->setTabsClosable(false); tabBar->showCloseButton(currentIndex()); } if (m_showCloseOnInactive == 1) { // Always showing close buttons tabBar->setTabsClosable(true); tabBar->showCloseButton(currentIndex()); } if (tryAdjusting) { m_normalTabWidth = maxWidthForTab; // Fill any empty space (we've got from rounding) with active tab if (index == mainTabBarCurrentIndex()) { if (adjustingActiveTab) { m_activeTabWidth = (availableWidth - minActiveTabWidth - maxWidthForTab * (normalTabsCount - 1)) + realTabWidth; } else { m_activeTabWidth = (availableWidth - maxWidthForTab * normalTabsCount) + maxWidthForTab; } size.setWidth(m_activeTabWidth); } else { size.setWidth(m_normalTabWidth); } } } // Restore close buttons according to preferences if (m_showCloseOnInactive != 2 && !tabsClosable() && availableWidth >= (minTabWidth + 25) * normalTabsCount) { tabBar->setTabsClosable(true); // Hide close buttons on pinned tabs for (int i = 0; i < count(); ++i) { tabBar->updatePinnedTabCloseButton(i); } } } if (index == count() - 1) { WebTab* lastMainActiveTab = qobject_cast(m_tabWidget->widget(mainTabBarCurrentIndex())); int xForAddTabButton = cornerWidth(Qt::TopLeftCorner) + pinTabBarWidth() + normalTabsCount() * m_normalTabWidth; if (lastMainActiveTab && m_activeTabWidth > m_normalTabWidth) { xForAddTabButton += m_activeTabWidth - m_normalTabWidth; } if (QApplication::layoutDirection() == Qt::RightToLeft) { xForAddTabButton = width() - xForAddTabButton; } emit tabBar->moveAddTabButton(xForAddTabButton); } return size; } int TabBar::comboTabBarPixelMetric(ComboTabBar::SizeType sizeType) const { switch (sizeType) { case ComboTabBar::PinnedTabWidth: return iconButtonSize().width() + style()->pixelMetric(QStyle::PM_TabBarTabHSpace, 0, this); case ComboTabBar::ActiveTabMinimumWidth: case ComboTabBar::NormalTabMinimumWidth: case ComboTabBar::OverflowedTabWidth: return 100; case ComboTabBar::NormalTabMaximumWidth: return 250; case ComboTabBar::ExtraReservedWidth: return m_tabWidget->extraReservedWidth(); default: break; } return -1; } WebTab* TabBar::webTab(int index) const { if (index == -1) { return qobject_cast(m_tabWidget->widget(currentIndex())); } return qobject_cast(m_tabWidget->widget(index)); } void TabBar::showCloseButton(int index) { if (!validIndex(index)) { return; } WebTab* webTab = qobject_cast(m_tabWidget->widget(index)); QAbstractButton* button = qobject_cast(tabButton(index, closeButtonPosition())); if (button || (webTab && webTab->isPinned())) { return; } insertCloseButton(index); } void TabBar::contextMenuEvent(QContextMenuEvent* event) { if (isDragInProgress()) { return; } int index = tabAt(event->pos()); TabContextMenu menu(index, Qt::Horizontal, m_window, m_tabWidget); // Prevent choosing first option with double rightclick const QPoint pos = event->globalPos(); QPoint p(pos.x(), pos.y() + 1); menu.exec(p); m_window->action(QSL("Other/RestoreClosedTab"))->setEnabled(true); } void TabBar::hideCloseButton(int index) { if (!validIndex(index) || tabsClosable()) { return; } CloseButton* button = qobject_cast(tabButton(index, closeButtonPosition())); if (!button) { return; } setTabButton(index, closeButtonPosition(), 0); button->deleteLater(); } void TabBar::updatePinnedTabCloseButton(int index) { if (!validIndex(index)) { return; } WebTab* webTab = qobject_cast(m_tabWidget->widget(index)); QAbstractButton* button = qobject_cast(tabButton(index, closeButtonPosition())); bool pinned = webTab && webTab->isPinned(); if (pinned) { if (button) { button->hide(); } } else { if (button) { button->show(); } else { showCloseButton(index); } } } void TabBar::closeTabFromButton() { QWidget* button = qobject_cast(sender()); int tabToClose = -1; for (int i = 0; i < count(); ++i) { if (tabButton(i, closeButtonPosition()) == button) { tabToClose = i; break; } } if (tabToClose != -1) { m_tabWidget->requestCloseTab(tabToClose); } } void TabBar::currentTabChanged(int index) { if (!validIndex(index)) { return; } // Don't hide close buttons when dragging tabs if (m_dragStartPosition.isNull()) { showCloseButton(index); hideCloseButton(m_tabWidget->lastTabIndex()); QTimer::singleShot(100, this, [this]() { ensureVisible(); }); } m_tabWidget->currentTabChanged(index); } void TabBar::setTabText(int index, const QString &text) { QString tabText = text; // Avoid Alt+letter shortcuts tabText.replace(QLatin1Char('&'), QLatin1String("&&")); if (WebTab* tab = webTab(index)) { if (tab->isPinned()) { tabText.clear(); } } setTabToolTip(index, text); ComboTabBar::setTabText(index, tabText); } void TabBar::tabInserted(int index) { Q_UNUSED(index) setVisible(!(count() <= 1 && m_hideTabBarWithOneTab)); } void TabBar::tabRemoved(int index) { Q_UNUSED(index) showCloseButton(currentIndex()); setVisible(!(count() <= 1 && m_hideTabBarWithOneTab)); // Make sure to move add tab button to correct position when there are no normal tabs if (normalTabsCount() == 0) { int xForAddTabButton = cornerWidth(Qt::TopLeftCorner) + pinTabBarWidth(); if (QApplication::layoutDirection() == Qt::RightToLeft) xForAddTabButton = width() - xForAddTabButton; emit moveAddTabButton(xForAddTabButton); } } void TabBar::mouseDoubleClickEvent(QMouseEvent* event) { if (mApp->plugins()->processMouseDoubleClick(Qz::ON_TabBar, this, event)) { return; } if (event->buttons() == Qt::LeftButton && emptyArea(event->pos())) { m_tabWidget->addView(QUrl(), Qz::NT_SelectedTabAtTheEnd, true); return; } ComboTabBar::mouseDoubleClickEvent(event); } void TabBar::mousePressEvent(QMouseEvent* event) { ComboTabBar::mousePressEvent(event); if (mApp->plugins()->processMousePress(Qz::ON_TabBar, this, event)) { return; } if (event->buttons() == Qt::LeftButton && !emptyArea(event->pos())) { m_dragStartPosition = event->pos(); } else { m_dragStartPosition = QPoint(); } } void TabBar::mouseMoveEvent(QMouseEvent* event) { ComboTabBar::mouseMoveEvent(event); if (mApp->plugins()->processMouseMove(Qz::ON_TabBar, this, event)) { return; } if (!m_dragStartPosition.isNull()) { - if (m_tabWidget->buttonAddTab()->isVisible()) { - int manhattanLength = (event->pos() - m_dragStartPosition).manhattanLength(); - if (manhattanLength > QApplication::startDragDistance()) { - m_tabWidget->buttonAddTab()->hide(); - } - } int offset = 0; const int eventY = event->pos().y(); if (eventY < 0) { offset = qAbs(eventY); } else if (eventY > height()) { offset = eventY - height(); } if (offset > QApplication::startDragDistance()) { const QPoint global = mapToGlobal(m_dragStartPosition); QWidget *w = QApplication::widgetAt(global); if (w) { QMouseEvent mouse(QEvent::MouseButtonRelease, w->mapFromGlobal(global), Qt::LeftButton, Qt::LeftButton, event->modifiers()); QApplication::sendEvent(w, &mouse); } QDrag *drag = new QDrag(this); QMimeData *mime = new QMimeData; mime->setData(MIMETYPE, QByteArray()); drag->setMimeData(mime); drag->setPixmap(tabPixmap(currentIndex())); if (drag->exec() == Qt::IgnoreAction) { m_tabWidget->detachTab(currentIndex()); } return; } } } void TabBar::mouseReleaseEvent(QMouseEvent* event) { ComboTabBar::mouseReleaseEvent(event); m_dragStartPosition = QPoint(); if (mApp->plugins()->processMouseRelease(Qz::ON_TabBar, this, event)) { return; } if (m_tabWidget->buttonAddTab()->isHidden() && !isMainBarOverflowed()) { QTimer::singleShot(ComboTabBar::slideAnimationDuration(), m_tabWidget->buttonAddTab(), &AddTabButton::show); } if (!rect().contains(event->pos())) { ComboTabBar::mouseReleaseEvent(event); return; } if (event->button() == Qt::MiddleButton) { if (emptyArea(event->pos())) { m_tabWidget->addView(QUrl(), Qz::NT_SelectedTabAtTheEnd, true); return; } int id = tabAt(event->pos()); if (id != -1) { m_tabWidget->requestCloseTab(id); return; } } } void TabBar::wheelEvent(QWheelEvent* event) { if (mApp->plugins()->processWheelEvent(Qz::ON_TabBar, this, event)) { return; } ComboTabBar::wheelEvent(event); } enum TabDropAction { NoAction, SelectTab, PrependTab, AppendTab }; static TabDropAction tabDropAction(const QPoint &pos, const QRect &tabRect, bool allowSelect) { if (!tabRect.contains(pos)) { return NoAction; } const QPoint c = tabRect.center(); const QSize csize = QSize(tabRect.width() * 0.7, tabRect.height() * 0.7); const QRect center(c.x() - csize.width() / 2, c.y() - csize.height() / 2, csize.width(), csize.height()); if (allowSelect && center.contains(pos)) { return SelectTab; } else if (pos.x() < c.x()) { return PrependTab; } else { return AppendTab; } } void TabBar::dragEnterEvent(QDragEnterEvent* event) { const QMimeData* mime = event->mimeData(); if (mime->hasText() || mime->hasUrls() || (mime->hasFormat(MIMETYPE) && event->source())) { event->acceptProposedAction(); return; } ComboTabBar::dragEnterEvent(event); } void TabBar::dragMoveEvent(QDragMoveEvent *event) { const int index = tabAt(event->pos()); const QMimeData* mime = event->mimeData(); if (index == -1 || (mime->hasFormat(MIMETYPE) && event->source() == this)) { ComboTabBar::dragMoveEvent(event); return; } switch (tabDropAction(event->pos(), tabRect(index), !mime->hasFormat(MIMETYPE))) { case PrependTab: showDropIndicator(index, BeforeTab); break; case AppendTab: showDropIndicator(index, AfterTab); break; default: clearDropIndicator(); break; } } void TabBar::dragLeaveEvent(QDragLeaveEvent *event) { clearDropIndicator(); ComboTabBar::dragLeaveEvent(event); } void TabBar::dropEvent(QDropEvent* event) { clearDropIndicator(); const QMimeData* mime = event->mimeData(); if (!mime->hasText() && !mime->hasUrls() && !mime->hasFormat(MIMETYPE)) { ComboTabBar::dropEvent(event); return; } event->acceptProposedAction(); if (mime->hasFormat(MIMETYPE) && event->source() == this) { return; } TabBar *sourceTabBar = qobject_cast(event->source()); int index = tabAt(event->pos()); if (index == -1) { if (mime->hasUrls()) { foreach (const QUrl &url, mime->urls()) { m_tabWidget->addView(url, Qz::NT_SelectedTabAtTheEnd); } } else if (mime->hasText()) { m_tabWidget->addView(mApp->searchEnginesManager()->searchResult(mime->text()), Qz::NT_SelectedNewEmptyTab); } else if (mime->hasFormat(MIMETYPE) && sourceTabBar) { WebTab *tab = sourceTabBar->webTab(); if (tab) { sourceTabBar->m_tabWidget->detachTab(tab); tab->setPinned(false); m_tabWidget->addView(tab, Qz::NT_SelectedTab); } } } else { LoadRequest req; WebTab* tab = m_window->weView(index)->webTab(); TabDropAction action = tabDropAction(event->pos(), tabRect(index), !mime->hasFormat(MIMETYPE)); if (mime->hasUrls()) { req = mime->urls().at(0); } else if (mime->hasText()) { req = mApp->searchEnginesManager()->searchResult(mime->text()); } if (action == SelectTab) { if (tab->isRestored() && req.isValid()) { tab->webView()->load(req); } } else if (action == PrependTab || action == AppendTab) { const int newIndex = action == PrependTab ? index : index + 1; if (req.isValid()) { m_tabWidget->addView(req, QString(), Qz::NT_SelectedNewEmptyTab, false, newIndex, index < pinnedTabsCount()); } else if (mime->hasFormat(MIMETYPE) && sourceTabBar) { WebTab *tab = sourceTabBar->webTab(); if (tab) { sourceTabBar->m_tabWidget->detachTab(tab); tab->setPinned(index < pinnedTabsCount()); m_tabWidget->insertView(newIndex, tab, Qz::NT_SelectedTab); } } } } }