diff options
Diffstat (limited to 'src/plugins/platforms/offscreen/qoffscreenwindow.cpp')
| -rw-r--r-- | src/plugins/platforms/offscreen/qoffscreenwindow.cpp | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/src/plugins/platforms/offscreen/qoffscreenwindow.cpp b/src/plugins/platforms/offscreen/qoffscreenwindow.cpp new file mode 100644 index 0000000000..702ef2300c --- /dev/null +++ b/src/plugins/platforms/offscreen/qoffscreenwindow.cpp @@ -0,0 +1,199 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the plugins 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 Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 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 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qoffscreenwindow.h" +#include "qoffscreencommon.h" + +#include <qpa/qplatformscreen.h> +#include <qpa/qwindowsysteminterface.h> + +#include <private/qwindow_p.h> + +QT_BEGIN_NAMESPACE + +QOffscreenWindow::QOffscreenWindow(QWindow *window) + : QPlatformWindow(window) + , m_positionIncludesFrame(false) + , m_visible(false) + , m_pendingGeometryChangeOnShow(true) +{ + if (window->windowState() == Qt::WindowNoState) + setGeometry(window->geometry()); + else + setWindowState(window->windowState()); + + QWindowSystemInterface::flushWindowSystemEvents(); + + static WId counter = 0; + m_winId = ++counter; + + m_windowForWinIdHash[m_winId] = this; +} + +QOffscreenWindow::~QOffscreenWindow() +{ + if (QOffscreenScreen::windowContainingCursor == this) + QOffscreenScreen::windowContainingCursor = 0; + m_windowForWinIdHash.remove(m_winId); +} + +void QOffscreenWindow::setGeometry(const QRect &rect) +{ + if (window()->windowState() != Qt::WindowNoState) + return; + + m_positionIncludesFrame = qt_window_private(window())->positionPolicy == QWindowPrivate::WindowFrameInclusive; + + setFrameMarginsEnabled(true); + setGeometryImpl(rect); + + m_normalGeometry = geometry(); +} + +void QOffscreenWindow::setGeometryImpl(const QRect &rect) +{ + QRect adjusted = rect; + if (adjusted.width() <= 0) + adjusted.setWidth(1); + if (adjusted.height() <= 0) + adjusted.setHeight(1); + + if (m_positionIncludesFrame) { + adjusted.translate(m_margins.left(), m_margins.top()); + } else { + // make sure we're not placed off-screen + if (adjusted.left() < m_margins.left()) + adjusted.translate(m_margins.left(), 0); + if (adjusted.top() < m_margins.top()) + adjusted.translate(0, m_margins.top()); + } + + QPlatformWindow::setGeometry(adjusted); + + if (m_visible) { + QWindowSystemInterface::handleGeometryChange(window(), adjusted); + QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(), adjusted.size())); + } else { + m_pendingGeometryChangeOnShow = true; + } +} + +void QOffscreenWindow::setVisible(bool visible) +{ + if (visible == m_visible) + return; + + if (visible) { + if (window()->type() != Qt::ToolTip) + QWindowSystemInterface::handleWindowActivated(window()); + + if (m_pendingGeometryChangeOnShow) { + m_pendingGeometryChangeOnShow = false; + QWindowSystemInterface::handleGeometryChange(window(), geometry()); + } + } + + if (visible) { + QRect rect(QPoint(), geometry().size()); + QWindowSystemInterface::handleExposeEvent(window(), rect); + } else { + QWindowSystemInterface::handleExposeEvent(window(), QRegion()); + } + + m_visible = visible; +} + +void QOffscreenWindow::requestActivateWindow() +{ + if (m_visible) + QWindowSystemInterface::handleWindowActivated(window()); +} + +WId QOffscreenWindow::winId() const +{ + return m_winId; +} + +QMargins QOffscreenWindow::frameMargins() const +{ + return m_margins; +} + +void QOffscreenWindow::setFrameMarginsEnabled(bool enabled) +{ + if (enabled && !(window()->flags() & Qt::FramelessWindowHint)) + m_margins = QMargins(2, 2, 2, 2); + else + m_margins = QMargins(0, 0, 0, 0); +} + +void QOffscreenWindow::setWindowState(Qt::WindowState state) +{ + setFrameMarginsEnabled(state != Qt::WindowFullScreen); + m_positionIncludesFrame = false; + + switch (state) { + case Qt::WindowFullScreen: + setGeometryImpl(screen()->geometry()); + break; + case Qt::WindowMaximized: + setGeometryImpl(screen()->availableGeometry().adjusted(m_margins.left(), m_margins.top(), -m_margins.right(), -m_margins.bottom())); + break; + case Qt::WindowMinimized: + break; + case Qt::WindowNoState: + setGeometryImpl(m_normalGeometry); + break; + default: + break; + } + + QWindowSystemInterface::handleWindowStateChanged(window(), state); +} + +QOffscreenWindow *QOffscreenWindow::windowForWinId(WId id) +{ + return m_windowForWinIdHash.value(id, 0); +} + +QHash<WId, QOffscreenWindow *> QOffscreenWindow::m_windowForWinIdHash; + +QT_END_NAMESPACE |