diff --git a/src/plugins/VerticalTabs/tabtreeview.cpp b/src/plugins/VerticalTabs/tabtreeview.cpp index c2168e1c..06346fa4 100644 --- a/src/plugins/VerticalTabs/tabtreeview.cpp +++ b/src/plugins/VerticalTabs/tabtreeview.cpp @@ -1,427 +1,429 @@ /* ============================================================ * VerticalTabs plugin for Falkon * Copyright (C) 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 "tabtreeview.h" #include "tabtreedelegate.h" #include "loadinganimator.h" #include "tabmodel.h" #include "webtab.h" #include "tabcontextmenu.h" #include "browserwindow.h" #include #include #include TabTreeView::TabTreeView(BrowserWindow *window, QWidget *parent) : QTreeView(parent) , m_window(window) , m_expandedSessionKey(QSL("VerticalTabs-expanded")) { setDragEnabled(true); setAcceptDrops(true); setHeaderHidden(true); setUniformRowHeights(true); setDropIndicatorShown(true); setAllColumnsShowFocus(true); setMouseTracking(true); setFocusPolicy(Qt::NoFocus); setFrameShape(QFrame::NoFrame); setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); setVerticalScrollMode(QAbstractItemView::ScrollPerPixel); setIndentation(0); m_delegate = new TabTreeDelegate(this); setItemDelegate(m_delegate); // Move scrollbar to the left setLayoutDirection(isRightToLeft() ? Qt::LeftToRight : Qt::RightToLeft); // Enable hover to force redrawing close button viewport()->setAttribute(Qt::WA_Hover); auto saveExpandedState = [this](const QModelIndex &index, bool expanded) { if (m_initializing) { return; } WebTab *tab = index.data(TabModel::WebTabRole).value(); if (tab) { tab->setSessionData(m_expandedSessionKey, expanded); } }; connect(this, &TabTreeView::expanded, this, std::bind(saveExpandedState, std::placeholders::_1, true)); connect(this, &TabTreeView::collapsed, this, std::bind(saveExpandedState, std::placeholders::_1, false)); } int TabTreeView::backgroundIndentation() const { return m_backgroundIndentation; } void TabTreeView::setBackgroundIndentation(int indentation) { m_backgroundIndentation = indentation; } bool TabTreeView::areTabsInOrder() const { return m_tabsInOrder; } void TabTreeView::setTabsInOrder(bool enable) { m_tabsInOrder = enable; } bool TabTreeView::haveTreeModel() const { return m_haveTreeModel; } void TabTreeView::setHaveTreeModel(bool enable) { m_haveTreeModel = enable; } void TabTreeView::setModel(QAbstractItemModel *model) { QTreeView::setModel(model); m_initializing = true; QTimer::singleShot(0, this, &TabTreeView::initView); } void TabTreeView::updateIndex(const QModelIndex &index) { QRect rect = visualRect(index); if (!rect.isValid()) { return; } // Need to update a little above/under to account for negative margins rect.moveTop(rect.y() - rect.height() / 2); rect.setHeight(rect.height() * 2); viewport()->update(rect); } void TabTreeView::adjustStyleOption(QStyleOptionViewItem *option) { const QModelIndex index = option->index; option->state.setFlag(QStyle::State_Active, true); option->state.setFlag(QStyle::State_HasFocus, false); option->state.setFlag(QStyle::State_Selected, index.data(TabModel::CurrentTabRole).toBool()); if (!index.isValid()) { option->viewItemPosition = QStyleOptionViewItem::Invalid; } else if (model()->rowCount() == 1) { option->viewItemPosition = QStyleOptionViewItem::OnlyOne; } else { if (!indexAbove(index).isValid()) { option->viewItemPosition = QStyleOptionViewItem::Beginning; } else if (!indexBelow(index).isValid()) { option->viewItemPosition = QStyleOptionViewItem::End; } else { option->viewItemPosition = QStyleOptionViewItem::Middle; } } } void TabTreeView::drawBranches(QPainter *, const QRect &, const QModelIndex &) const { // Disable drawing branches } void TabTreeView::currentChanged(const QModelIndex ¤t, const QModelIndex &previous) { if (current.data(TabModel::CurrentTabRole).toBool()) { QTreeView::currentChanged(current, previous); } else if (previous.data(TabModel::CurrentTabRole).toBool()) { setCurrentIndex(previous); } } void TabTreeView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector &roles) { QTreeView::dataChanged(topLeft, bottomRight, roles); if (roles.size() == 1 && roles.at(0) == TabModel::CurrentTabRole && topLeft.data(TabModel::CurrentTabRole).toBool()) { setCurrentIndex(topLeft); } } void TabTreeView::rowsInserted(const QModelIndex &parent, int start, int end) { QTreeView::rowsInserted(parent, start, end); if (m_initializing) { return; } // Parent for WebTab is set after insertTab is emitted const QPersistentModelIndex index = model()->index(start, 0, parent); QTimer::singleShot(0, this, [=]() { if (!index.isValid()) { return; } QModelIndex idx = index; QVector stack; do { stack.append(idx); idx = idx.parent(); } while (idx.isValid()); for (const QModelIndex &index : qAsConst(stack)) { expand(index); } if (index.data(TabModel::CurrentTabRole).toBool()) { setCurrentIndex(index); } }); } bool TabTreeView::viewportEvent(QEvent *event) { switch (event->type()) { case QEvent::MouseButtonPress: { QMouseEvent *me = static_cast(event); const QModelIndex index = indexAt(me->pos()); updateIndex(index); WebTab *tab = index.data(TabModel::WebTabRole).value(); if (me->buttons() == Qt::MiddleButton) { if (tab) { if (isExpanded(index)) { tab->closeTab(); } else { closeTree(index); } } else { m_window->addTab(); } } if (me->buttons() != Qt::LeftButton) { m_pressedIndex = QModelIndex(); m_pressedButton = NoButton; break; } m_pressedIndex = index; m_pressedButton = buttonAt(me->pos(), m_pressedIndex); if (m_pressedIndex.isValid()) { if (m_pressedButton == ExpandButton) { if (isExpanded(m_pressedIndex)) { collapse(m_pressedIndex); } else { expand(m_pressedIndex); } } else if (m_pressedButton == NoButton && tab) { tab->makeCurrentTab(); } } if (m_pressedButton == CloseButton) { me->accept(); return true; } break; } case QEvent::MouseMove: { QMouseEvent *me = static_cast(event); if (m_pressedButton == CloseButton) { me->accept(); return true; } break; } case QEvent::MouseButtonRelease: { QMouseEvent *me = static_cast(event); if (me->buttons() != Qt::NoButton) { break; } const QModelIndex index = indexAt(me->pos()); updateIndex(index); if (m_pressedIndex != index) { break; } DelegateButton button = buttonAt(me->pos(), index); if (m_pressedButton == button) { if (m_pressedButton == ExpandButton) { me->accept(); return true; } WebTab *tab = index.data(TabModel::WebTabRole).value(); if (tab) { if (m_pressedButton == CloseButton) { tab->closeTab(); } else if (m_pressedButton == AudioButton) { tab->toggleMuted(); } } } if (m_pressedButton == CloseButton) { me->accept(); return true; } break; } case QEvent::MouseButtonDblClick: { QMouseEvent *me = static_cast(event); const QModelIndex index = indexAt(me->pos()); if (me->button() == Qt::LeftButton && !index.isValid()) { m_window->addTab(); } break; } case QEvent::HoverEnter: case QEvent::HoverLeave: case QEvent::HoverMove: { QHoverEvent *he = static_cast(event); updateIndex(m_hoveredIndex); m_hoveredIndex = indexAt(he->pos()); updateIndex(m_hoveredIndex); break; } case QEvent::ToolTip: { QHelpEvent *he = static_cast(event); const QModelIndex index = indexAt(he->pos()); DelegateButton button = buttonAt(he->pos(), index); if (button == AudioButton) { const bool muted = index.data(TabModel::AudioMutedRole).toBool(); QToolTip::showText(he->globalPos(), muted ? tr("Unmute Tab") : tr("Mute Tab"), this, visualRect(index)); he->accept(); return true; } else if (button == CloseButton) { QToolTip::showText(he->globalPos(), tr("Close Tab"), this, visualRect(index)); he->accept(); return true; } else if (button == NoButton) { QToolTip::showText(he->globalPos(), index.data().toString(), this, visualRect(index)); he->accept(); return true; } break; } case QEvent::ContextMenu: { QContextMenuEvent *ce = static_cast(event); const QModelIndex index = indexAt(ce->pos()); WebTab *tab = index.data(TabModel::WebTabRole).value(); const int tabIndex = tab ? tab->tabIndex() : -1; TabContextMenu::Options options = TabContextMenu::VerticalTabs | TabContextMenu::ShowDetachTabAction; if (m_tabsInOrder) { options |= TabContextMenu::ShowCloseOtherTabsActions; } TabContextMenu menu(tabIndex, m_window, options); addMenuActions(&menu, index); menu.exec(ce->globalPos()); break; } default: break; } return QTreeView::viewportEvent(event); } void TabTreeView::initView() { // Restore expanded state for (int i = 0; i < model()->rowCount(); ++i) { const QModelIndex index = model()->index(i, 0); reverseTraverse(index, [this](const QModelIndex &index) { WebTab *tab = index.data(TabModel::WebTabRole).value(); if (tab) { setExpanded(index, tab->sessionData().value(m_expandedSessionKey, true).toBool()); } }); } m_initializing = false; } TabTreeView::DelegateButton TabTreeView::buttonAt(const QPoint &pos, const QModelIndex &index) const { if (m_delegate->expandButtonRect(index).contains(pos)) { - return ExpandButton; + if (model()->rowCount(index) > 0) { + return ExpandButton; + } } else if (m_delegate->audioButtonRect(index).contains(pos)) { return AudioButton; } else if (m_delegate->closeButtonRect(index).contains(pos)) { return CloseButton; } return NoButton; } void TabTreeView::addMenuActions(QMenu *menu, const QModelIndex &index) { if (!m_haveTreeModel) { return; } menu->addSeparator(); QMenu *m = menu->addMenu(tr("Tab Tree")); if (index.isValid() && model()->rowCount(index) > 0) { QPersistentModelIndex pindex = index; m->addAction(tr("Close Tree"), this, [=]() { closeTree(pindex); }); m->addAction(tr("Unload Tree"), this, [=]() { unloadTree(pindex); }); } m->addSeparator(); m->addAction(tr("Expand All"), this, &TabTreeView::expandAll); m->addAction(tr("Collapse All"), this, &TabTreeView::collapseAll); } void TabTreeView::reverseTraverse(const QModelIndex &root, const std::function &callback) const { if (!root.isValid()) { return; } for (int i = 0; i < model()->rowCount(root); ++i) { reverseTraverse(model()->index(i, 0, root), callback); } callback(root); } void TabTreeView::closeTree(const QModelIndex &root) { QVector tabs; reverseTraverse(root, [&](const QModelIndex &index) { WebTab *tab = index.data(TabModel::WebTabRole).value(); if (tab) { tabs.append(tab); } }); for (WebTab *tab : qAsConst(tabs)) { tab->closeTab(); } } void TabTreeView::unloadTree(const QModelIndex &root) { reverseTraverse(root, [&](const QModelIndex &index) { WebTab *tab = index.data(TabModel::WebTabRole).value(); if (tab && tab->isRestored()) { tab->unload(); } }); }