diff options
Diffstat (limited to 'src/plugins/platforms/eglfs/api/qeglfsscreen.cpp')
| -rw-r--r-- | src/plugins/platforms/eglfs/api/qeglfsscreen.cpp | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/src/plugins/platforms/eglfs/api/qeglfsscreen.cpp b/src/plugins/platforms/eglfs/api/qeglfsscreen.cpp new file mode 100644 index 0000000000..d636a783ec --- /dev/null +++ b/src/plugins/platforms/eglfs/api/qeglfsscreen.cpp @@ -0,0 +1,206 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** 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 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 <QtCore/qtextstream.h> +#include <QtGui/qwindow.h> +#include <qpa/qwindowsysteminterface.h> +#include <qpa/qplatformcursor.h> +#include <QtPlatformSupport/private/qopenglcompositor_p.h> + +#include "qeglfsscreen_p.h" +#include "qeglfswindow_p.h" +#include "qeglfshooks_p.h" + +QT_BEGIN_NAMESPACE + +QEglFSScreen::QEglFSScreen(EGLDisplay dpy) + : m_dpy(dpy), + m_surface(EGL_NO_SURFACE), + m_cursor(0) +{ + m_cursor = qt_egl_device_integration()->createCursor(this); +} + +QEglFSScreen::~QEglFSScreen() +{ + delete m_cursor; + QOpenGLCompositor::destroy(); +} + +QRect QEglFSScreen::geometry() const +{ + return QRect(QPoint(0, 0), qt_egl_device_integration()->screenSize()); +} + +int QEglFSScreen::depth() const +{ + return qt_egl_device_integration()->screenDepth(); +} + +QImage::Format QEglFSScreen::format() const +{ + return qt_egl_device_integration()->screenFormat(); +} + +QSizeF QEglFSScreen::physicalSize() const +{ + return qt_egl_device_integration()->physicalScreenSize(); +} + +QDpi QEglFSScreen::logicalDpi() const +{ + return qt_egl_device_integration()->logicalDpi(); +} + +qreal QEglFSScreen::pixelDensity() const +{ + return qt_egl_device_integration()->pixelDensity(); +} + +Qt::ScreenOrientation QEglFSScreen::nativeOrientation() const +{ + return qt_egl_device_integration()->nativeOrientation(); +} + +Qt::ScreenOrientation QEglFSScreen::orientation() const +{ + return qt_egl_device_integration()->orientation(); +} + +QPlatformCursor *QEglFSScreen::cursor() const +{ + return m_cursor; +} + +qreal QEglFSScreen::refreshRate() const +{ + return qt_egl_device_integration()->refreshRate(); +} + +void QEglFSScreen::setPrimarySurface(EGLSurface surface) +{ + m_surface = surface; +} + +void QEglFSScreen::handleCursorMove(const QPoint &pos) +{ + const QOpenGLCompositor *compositor = QOpenGLCompositor::instance(); + const QList<QOpenGLCompositorWindow *> windows = compositor->windows(); + + // Generate enter and leave events like a real windowing system would do. + if (windows.isEmpty()) + return; + + // First window is always fullscreen. + if (windows.count() == 1) { + QWindow *window = windows[0]->sourceWindow(); + if (m_pointerWindow != window) { + m_pointerWindow = window; + QWindowSystemInterface::handleEnterEvent(window, window->mapFromGlobal(pos), pos); + } + return; + } + + QWindow *enter = 0, *leave = 0; + for (int i = windows.count() - 1; i >= 0; --i) { + QWindow *window = windows[i]->sourceWindow(); + const QRect geom = window->geometry(); + if (geom.contains(pos)) { + if (m_pointerWindow != window) { + leave = m_pointerWindow; + m_pointerWindow = window; + enter = window; + } + break; + } + } + + if (enter && leave) + QWindowSystemInterface::handleEnterLeaveEvent(enter, leave, enter->mapFromGlobal(pos), pos); +} + +QPixmap QEglFSScreen::grabWindow(WId wid, int x, int y, int width, int height) const +{ + QOpenGLCompositor *compositor = QOpenGLCompositor::instance(); + const QList<QOpenGLCompositorWindow *> windows = compositor->windows(); + Q_ASSERT(!windows.isEmpty()); + + QImage img; + + if (static_cast<QEglFSWindow *>(windows.first()->sourceWindow()->handle())->isRaster()) { + // Request the compositor to render everything into an FBO and read it back. This + // is of course slow, but it's safe and reliable. It will not include the mouse + // cursor, which is a plus. + img = compositor->grab(); + } else { + // Just a single OpenGL window without compositing. Do not support this case for now. Doing + // glReadPixels is not an option since it would read from the back buffer which may have + // undefined content when calling right after a swapBuffers (unless preserved swap is + // available and enabled, but we have no support for that). + qWarning("grabWindow: Not supported for non-composited OpenGL content. Use QQuickWindow::grabWindow() instead."); + return QPixmap(); + } + + if (!wid) { + const QSize screenSize = geometry().size(); + if (width < 0) + width = screenSize.width() - x; + if (height < 0) + height = screenSize.height() - y; + return QPixmap::fromImage(img).copy(x, y, width, height); + } + + foreach (QOpenGLCompositorWindow *w, windows) { + const QWindow *window = w->sourceWindow(); + if (window->winId() == wid) { + const QRect geom = window->geometry(); + if (width < 0) + width = geom.width() - x; + if (height < 0) + height = geom.height() - y; + QRect rect(geom.topLeft() + QPoint(x, y), QSize(width, height)); + rect &= window->geometry(); + return QPixmap::fromImage(img).copy(rect); + } + } + + return QPixmap(); +} + +QT_END_NAMESPACE |