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Diffstat (limited to 'src/imports/platform/qquickplatformmenubar.cpp')
| -rw-r--r-- | src/imports/platform/qquickplatformmenubar.cpp | 330 |
1 files changed, 330 insertions, 0 deletions
diff --git a/src/imports/platform/qquickplatformmenubar.cpp b/src/imports/platform/qquickplatformmenubar.cpp new file mode 100644 index 00000000..00630a84 --- /dev/null +++ b/src/imports/platform/qquickplatformmenubar.cpp @@ -0,0 +1,330 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the Qt Labs Platform module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** 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 http://www.qt.io/terms-conditions. For further +** information use the contact form at http://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.LGPLv3 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.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 later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qquickplatformmenubar_p.h" +#include "qquickplatformmenu_p.h" + +#include <QtCore/qloggingcategory.h> +#include <QtGui/qpa/qplatformmenu.h> +#include <QtGui/qpa/qplatformtheme.h> +#include <QtGui/private/qguiapplication_p.h> +#include <QtQuick/qquickwindow.h> +#include <QtQuick/qquickitem.h> + +QT_BEGIN_NAMESPACE + +/*! + \qmltype MenuBar + \inherits QtObject + \instantiates QQuickPlatformMenuBar + \inqmlmodule Qt.labs.platform + \since 5.8 + \brief A native menubar. + + The MenuBar type provides a QML API for native platform menubars. + + \image qtlabsplatform-menubar.png + + A menubar consists of a list of drop-down menus. + + \code + MenuBar { + id: menuBar + + Menu { + id: fileMenu + title: qsTr("File") + // ... + } + + Menu { + id: editMenu + title: qsTr("&Edit") + // ... + } + + Menu { + id: viewMenu + title: qsTr("&View") + // ... + } + + Menu { + id: helpMenu + title: qsTr("&Help") + // ... + } + } + \endcode + + MenuBar is currently available on the following platforms: + + \list + \li macOS + \li Android + \li Linux (only available on desktop environments that provide a global D-Bus menu bar) + \endlist + + \labs + + \sa Menu +*/ + +Q_DECLARE_LOGGING_CATEGORY(qtLabsPlatformMenus) + +QQuickPlatformMenuBar::QQuickPlatformMenuBar(QObject *parent) + : QObject(parent), + m_complete(false), + m_window(nullptr), + m_handle(nullptr) +{ + m_handle = QGuiApplicationPrivate::platformTheme()->createPlatformMenuBar(); + qCDebug(qtLabsPlatformMenus) << "MenuBar ->" << m_handle; +} + +QQuickPlatformMenuBar::~QQuickPlatformMenuBar() +{ + for (QQuickPlatformMenu *menu : m_menus) + menu->setMenuBar(nullptr); + delete m_handle; + m_handle = nullptr; +} + +QPlatformMenuBar *QQuickPlatformMenuBar::handle() const +{ + return m_handle; +} + +/*! + \default + \qmlproperty list<Object> Qt.labs.platform::MenuBar::data + + This default property holds the list of all objects declared as children of + the menubar. The data property includes objects that are not \l Menu instances, + such as \l Timer and \l QtObject. + + \sa menus +*/ +QQmlListProperty<QObject> QQuickPlatformMenuBar::data() +{ + return QQmlListProperty<QObject>(this, nullptr, data_append, data_count, data_at, data_clear); +} + +/*! + \qmlproperty list<Menu> Qt.labs.platform::MenuBar::menus + + This property holds the list of menus in the menubar. +*/ +QQmlListProperty<QQuickPlatformMenu> QQuickPlatformMenuBar::menus() +{ + return QQmlListProperty<QQuickPlatformMenu>(this, nullptr, menus_append, menus_count, menus_at, menus_clear); +} + +/*! + \qmlproperty Window Qt.labs.platform::MenuBar::window + + This property holds the menubar's window. + + Unless explicitly set, the window is automatically resolved by iterating + the QML parent objects until a \l Window or an \l Item that has a window + is found. +*/ +QWindow *QQuickPlatformMenuBar::window() const +{ + return m_window; +} + +void QQuickPlatformMenuBar::setWindow(QWindow *window) +{ + if (m_window == window) + return; + + if (m_handle) + m_handle->handleReparent(window); + + m_window = window; + emit windowChanged(); +} + +/*! + \qmlmethod void Qt.labs.platform::MenuBar::addMenu(Menu menu) + + Adds a \a menu to end of the menubar. +*/ +void QQuickPlatformMenuBar::addMenu(QQuickPlatformMenu *menu) +{ + insertMenu(m_menus.count(), menu); +} + +/*! + \qmlmethod void Qt.labs.platform::MenuBar::insertMenu(int index, Menu menu) + + Inserts a \a menu at the specified \a index in the menubar. +*/ +void QQuickPlatformMenuBar::insertMenu(int index, QQuickPlatformMenu *menu) +{ + if (!menu || m_menus.contains(menu)) + return; + + QQuickPlatformMenu *before = m_menus.value(index); + m_menus.insert(index, menu); + m_data.append(menu); + menu->setMenuBar(this); + if (m_handle) + m_handle->insertMenu(menu->create(), before ? before->handle() : nullptr); + emit menusChanged(); +} + +/*! + \qmlmethod void Qt.labs.platform::MenuBar::removeMenu(Menu menu) + + Removes a \a menu from the menubar. +*/ +void QQuickPlatformMenuBar::removeMenu(QQuickPlatformMenu *menu) +{ + if (!menu || !m_menus.removeOne(menu)) + return; + + m_data.removeOne(menu); + if (m_handle) + m_handle->removeMenu(menu->handle()); + menu->setMenuBar(nullptr); + emit menusChanged(); +} + +/*! + \qmlmethod void Qt.labs.platform::MenuBar::clear() + + Removes all menus from the menubar. +*/ +void QQuickPlatformMenuBar::clear() +{ + if (m_menus.isEmpty()) + return; + + for (QQuickPlatformMenu *menu : m_menus) { + m_data.removeOne(menu); + if (m_handle) + m_handle->removeMenu(menu->handle()); + menu->setMenuBar(nullptr); + delete menu; + } + + m_menus.clear(); + emit menusChanged(); +} + +void QQuickPlatformMenuBar::classBegin() +{ +} + +void QQuickPlatformMenuBar::componentComplete() +{ + m_complete = true; + for (QQuickPlatformMenu *menu : m_menus) + menu->sync(); + if (!m_window) + setWindow(findWindow()); +} + +QWindow *QQuickPlatformMenuBar::findWindow() const +{ + QObject *obj = parent(); + while (obj) { + QWindow *window = qobject_cast<QWindow *>(obj); + if (window) + return window; + QQuickItem *item = qobject_cast<QQuickItem *>(obj); + if (item && item->window()) + return item->window(); + obj = obj->parent(); + } + return nullptr; +} + +void QQuickPlatformMenuBar::data_append(QQmlListProperty<QObject> *property, QObject *object) +{ + QQuickPlatformMenuBar *menuBar = static_cast<QQuickPlatformMenuBar *>(property->object); + QQuickPlatformMenu *menu = qobject_cast<QQuickPlatformMenu *>(object); + if (menu) + menuBar->addMenu(menu); + else + menuBar->m_data.append(object); +} + +int QQuickPlatformMenuBar::data_count(QQmlListProperty<QObject> *property) +{ + QQuickPlatformMenuBar *menuBar = static_cast<QQuickPlatformMenuBar *>(property->object); + return menuBar->m_data.count(); +} + +QObject *QQuickPlatformMenuBar::data_at(QQmlListProperty<QObject> *property, int index) +{ + QQuickPlatformMenuBar *menuBar = static_cast<QQuickPlatformMenuBar *>(property->object); + return menuBar->m_data.value(index); +} + +void QQuickPlatformMenuBar::data_clear(QQmlListProperty<QObject> *property) +{ + QQuickPlatformMenuBar *menuBar = static_cast<QQuickPlatformMenuBar *>(property->object); + menuBar->m_data.clear(); +} + +void QQuickPlatformMenuBar::menus_append(QQmlListProperty<QQuickPlatformMenu> *property, QQuickPlatformMenu *menu) +{ + QQuickPlatformMenuBar *menuBar = static_cast<QQuickPlatformMenuBar *>(property->object); + menuBar->addMenu(menu); +} + +int QQuickPlatformMenuBar::menus_count(QQmlListProperty<QQuickPlatformMenu> *property) +{ + QQuickPlatformMenuBar *menuBar = static_cast<QQuickPlatformMenuBar *>(property->object); + return menuBar->m_menus.count(); +} + +QQuickPlatformMenu *QQuickPlatformMenuBar::menus_at(QQmlListProperty<QQuickPlatformMenu> *property, int index) +{ + QQuickPlatformMenuBar *menuBar = static_cast<QQuickPlatformMenuBar *>(property->object); + return menuBar->m_menus.value(index); +} + +void QQuickPlatformMenuBar::menus_clear(QQmlListProperty<QQuickPlatformMenu> *property) +{ + QQuickPlatformMenuBar *menuBar = static_cast<QQuickPlatformMenuBar *>(property->object); + menuBar->clear(); +} + +QT_END_NAMESPACE |