diff options
Diffstat (limited to 'src/gui/platform/unix/dbusmenu/qdbusplatformmenu.cpp')
| -rw-r--r-- | src/gui/platform/unix/dbusmenu/qdbusplatformmenu.cpp | 308 |
1 files changed, 308 insertions, 0 deletions
diff --git a/src/gui/platform/unix/dbusmenu/qdbusplatformmenu.cpp b/src/gui/platform/unix/dbusmenu/qdbusplatformmenu.cpp new file mode 100644 index 0000000000..fc1b37f2f2 --- /dev/null +++ b/src/gui/platform/unix/dbusmenu/qdbusplatformmenu.cpp @@ -0,0 +1,308 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qdbusplatformmenu_p.h" + +#include <QDateTime> +#include <QDebug> +#include <QWindow> + +QT_BEGIN_NAMESPACE + +Q_LOGGING_CATEGORY(qLcMenu, "qt.qpa.menu") + +static int nextDBusID = 1; +QHash<int, QDBusPlatformMenuItem *> menuItemsByID; + +QDBusPlatformMenuItem::QDBusPlatformMenuItem() + : m_subMenu(nullptr) + , m_role(NoRole) + , m_isEnabled(true) + , m_isVisible(true) + , m_isSeparator(false) + , m_isCheckable(false) + , m_isChecked(false) + , m_hasExclusiveGroup(false) + , m_dbusID(nextDBusID++) +{ + menuItemsByID.insert(m_dbusID, this); +} + +QDBusPlatformMenuItem::~QDBusPlatformMenuItem() +{ + menuItemsByID.remove(m_dbusID); + if (m_subMenu) + static_cast<QDBusPlatformMenu *>(m_subMenu)->setContainingMenuItem(nullptr); +} + +void QDBusPlatformMenuItem::setText(const QString &text) +{ + qCDebug(qLcMenu) << m_dbusID << text; + m_text = text; +} + +void QDBusPlatformMenuItem::setIcon(const QIcon &icon) +{ + m_icon = icon; +} + +/*! + Set a submenu under this menu item. +*/ +void QDBusPlatformMenuItem::setMenu(QPlatformMenu *menu) +{ + if (m_subMenu) + static_cast<QDBusPlatformMenu *>(m_subMenu)->setContainingMenuItem(nullptr); + m_subMenu = menu; + if (menu) + static_cast<QDBusPlatformMenu *>(menu)->setContainingMenuItem(this); +} + +void QDBusPlatformMenuItem::setEnabled(bool enabled) +{ + m_isEnabled = enabled; +} + +void QDBusPlatformMenuItem::setVisible(bool isVisible) +{ + m_isVisible = isVisible; +} + +void QDBusPlatformMenuItem::setIsSeparator(bool isSeparator) +{ + m_isSeparator = isSeparator; +} + +void QDBusPlatformMenuItem::setRole(QPlatformMenuItem::MenuRole role) +{ + m_role = role; +} + +void QDBusPlatformMenuItem::setCheckable(bool checkable) +{ + m_isCheckable = checkable; +} + +void QDBusPlatformMenuItem::setChecked(bool isChecked) +{ + m_isChecked = isChecked; +} + +void QDBusPlatformMenuItem::setHasExclusiveGroup(bool hasExclusiveGroup) +{ + m_hasExclusiveGroup = hasExclusiveGroup; +} + +#ifndef QT_NO_SHORTCUT +void QDBusPlatformMenuItem::setShortcut(const QKeySequence &shortcut) +{ + m_shortcut = shortcut; +} +#endif + +void QDBusPlatformMenuItem::trigger() +{ + emit activated(); +} + +QDBusPlatformMenuItem *QDBusPlatformMenuItem::byId(int id) +{ + // We need to check contains because otherwise QHash would insert + // a default-constructed nullptr value into menuItemsByID + if (menuItemsByID.contains(id)) + return menuItemsByID[id]; + return nullptr; +} + +QList<const QDBusPlatformMenuItem *> QDBusPlatformMenuItem::byIds(const QList<int> &ids) +{ + QList<const QDBusPlatformMenuItem *> ret; + for (int id : ids) { + if (menuItemsByID.contains(id)) + ret << menuItemsByID[id]; + } + return ret; +} + + +QDBusPlatformMenu::QDBusPlatformMenu() + : m_isEnabled(true) + , m_isVisible(true) + , m_revision(1) + , m_containingMenuItem(nullptr) +{ +} + +QDBusPlatformMenu::~QDBusPlatformMenu() +{ + if (m_containingMenuItem) + m_containingMenuItem->setMenu(nullptr); +} + +void QDBusPlatformMenu::insertMenuItem(QPlatformMenuItem *menuItem, QPlatformMenuItem *before) +{ + QDBusPlatformMenuItem *item = static_cast<QDBusPlatformMenuItem *>(menuItem); + QDBusPlatformMenuItem *beforeItem = static_cast<QDBusPlatformMenuItem *>(before); + int idx = m_items.indexOf(beforeItem); + qCDebug(qLcMenu) << item->dbusID() << item->text(); + if (idx < 0) + m_items.append(item); + else + m_items.insert(idx, item); + m_itemsByTag.insert(item->tag(), item); + if (item->menu()) + syncSubMenu(static_cast<const QDBusPlatformMenu *>(item->menu())); + emitUpdated(); +} + +void QDBusPlatformMenu::removeMenuItem(QPlatformMenuItem *menuItem) +{ + QDBusPlatformMenuItem *item = static_cast<QDBusPlatformMenuItem *>(menuItem); + m_items.removeAll(item); + m_itemsByTag.remove(menuItem->tag()); + if (item->menu()) { + // disconnect from the signals we connected to in syncSubMenu() + const QDBusPlatformMenu *menu = static_cast<const QDBusPlatformMenu *>(item->menu()); + disconnect(menu, &QDBusPlatformMenu::propertiesUpdated, + this, &QDBusPlatformMenu::propertiesUpdated); + disconnect(menu, &QDBusPlatformMenu::updated, + this, &QDBusPlatformMenu::updated); + disconnect(menu, &QDBusPlatformMenu::popupRequested, + this, &QDBusPlatformMenu::popupRequested); + } + emitUpdated(); +} + +void QDBusPlatformMenu::syncSubMenu(const QDBusPlatformMenu *menu) +{ + // The adaptor is only connected to the propertiesUpdated signal of the top-level + // menu, so the submenus should transfer their signals to their parents. + connect(menu, &QDBusPlatformMenu::propertiesUpdated, + this, &QDBusPlatformMenu::propertiesUpdated, Qt::UniqueConnection); + connect(menu, &QDBusPlatformMenu::updated, + this, &QDBusPlatformMenu::updated, Qt::UniqueConnection); + connect(menu, &QDBusPlatformMenu::popupRequested, + this, &QDBusPlatformMenu::popupRequested, Qt::UniqueConnection); +} + +void QDBusPlatformMenu::syncMenuItem(QPlatformMenuItem *menuItem) +{ + QDBusPlatformMenuItem *item = static_cast<QDBusPlatformMenuItem *>(menuItem); + // if a submenu was added to this item, we need to connect to its signals + if (item->menu()) + syncSubMenu(static_cast<const QDBusPlatformMenu *>(item->menu())); + // TODO keep around copies of the QDBusMenuLayoutItems so they can be updated? + // or eliminate them by putting dbus streaming operators in this class instead? + // or somehow tell the dbusmenu client that something has changed, so it will ask for properties again + QDBusMenuItemList updated; + QDBusMenuItemKeysList removed; + updated << QDBusMenuItem(item); + qCDebug(qLcMenu) << updated; + emit propertiesUpdated(updated, removed); +} + +void QDBusPlatformMenu::emitUpdated() +{ + if (m_containingMenuItem) + emit updated(++m_revision, m_containingMenuItem->dbusID()); + else + emit updated(++m_revision, 0); +} + +void QDBusPlatformMenu::setText(const QString &text) +{ + m_text = text; +} + +void QDBusPlatformMenu::setIcon(const QIcon &icon) +{ + m_icon = icon; +} + +void QDBusPlatformMenu::setEnabled(bool enabled) +{ + m_isEnabled = enabled; +} + +void QDBusPlatformMenu::setVisible(bool isVisible) +{ + m_isVisible = isVisible; +} + +void QDBusPlatformMenu::setContainingMenuItem(QDBusPlatformMenuItem *item) +{ + m_containingMenuItem = item; +} + +void QDBusPlatformMenu::showPopup(const QWindow *parentWindow, const QRect &targetRect, const QPlatformMenuItem *item) +{ + Q_UNUSED(parentWindow); + Q_UNUSED(targetRect); + Q_UNUSED(item); + setVisible(true); + emit popupRequested(m_containingMenuItem->dbusID(), QDateTime::currentMSecsSinceEpoch()); +} + +QPlatformMenuItem *QDBusPlatformMenu::menuItemAt(int position) const +{ + return m_items.value(position); +} + +QPlatformMenuItem *QDBusPlatformMenu::menuItemForTag(quintptr tag) const +{ + return m_itemsByTag[tag]; +} + +const QList<QDBusPlatformMenuItem *> QDBusPlatformMenu::items() const +{ + return m_items; +} + +QPlatformMenuItem *QDBusPlatformMenu::createMenuItem() const +{ + QDBusPlatformMenuItem *ret = new QDBusPlatformMenuItem(); + return ret; +} + +QPlatformMenu *QDBusPlatformMenu::createSubMenu() const +{ + return new QDBusPlatformMenu; +} + +QT_END_NAMESPACE |