2015-03-20 16:41:03 +03:00
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/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2015 Martin Gräßlin <mgraesslin@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#include "abstract_backend.h"
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2015-04-02 15:37:23 +03:00
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#include <config-kwin.h>
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2015-08-18 09:35:34 +03:00
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#include "abstract_egl_backend.h"
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2015-04-01 16:36:40 +03:00
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#include "composite.h"
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#include "cursor.h"
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2015-05-05 11:44:46 +03:00
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#include "input.h"
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2015-08-18 09:35:34 +03:00
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#include "scene_opengl.h"
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2015-03-20 16:41:03 +03:00
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#include "wayland_server.h"
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2015-05-05 14:02:16 +03:00
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#include "wayland_cursor_theme.h"
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2015-04-01 16:36:40 +03:00
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// KWayland
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2015-04-02 15:37:23 +03:00
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#include <KWayland/Client/buffer.h>
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#include <KWayland/Client/connection_thread.h>
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2015-04-01 16:36:40 +03:00
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#include <KWayland/Server/buffer_interface.h>
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2015-04-02 15:37:23 +03:00
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#include <KWayland/Server/clientconnection.h>
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2015-04-01 16:36:40 +03:00
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#include <KWayland/Server/seat_interface.h>
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#include <KWayland/Server/surface_interface.h>
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2015-04-02 15:37:23 +03:00
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// Wayland
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#include <wayland-cursor.h>
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2015-03-20 16:41:03 +03:00
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namespace KWin
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{
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AbstractBackend::AbstractBackend(QObject *parent)
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: QObject(parent)
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{
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WaylandServer::self()->installBackend(this);
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}
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AbstractBackend::~AbstractBackend()
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{
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WaylandServer::self()->uninstallBackend(this);
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}
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void AbstractBackend::installCursorFromServer()
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{
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2015-04-01 16:36:40 +03:00
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if (!m_softWareCursor) {
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return;
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}
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2015-04-13 17:25:34 +03:00
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triggerCursorRepaint();
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updateCursorFromServer();
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}
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void AbstractBackend::updateCursorFromServer()
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{
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2015-04-01 16:36:40 +03:00
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if (!waylandServer() || !waylandServer()->seat()->focusedPointer()) {
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return;
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}
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auto c = waylandServer()->seat()->focusedPointer()->cursor();
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if (!c) {
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return;
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}
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auto cursorSurface = c->surface();
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if (cursorSurface.isNull()) {
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return;
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}
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auto buffer = cursorSurface.data()->buffer();
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if (!buffer) {
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return;
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}
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m_cursor.hotspot = c->hotspot();
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m_cursor.image = buffer->data().copy();
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emit cursorChanged();
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2015-03-20 16:41:03 +03:00
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}
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void AbstractBackend::installCursorImage(Qt::CursorShape shape)
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{
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2015-04-02 15:37:23 +03:00
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if (!m_softWareCursor) {
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return;
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}
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2015-04-13 17:25:34 +03:00
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updateCursorImage(shape);
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}
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void AbstractBackend::updateCursorImage(Qt::CursorShape shape)
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{
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2015-04-02 15:37:23 +03:00
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if (!m_cursorTheme) {
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// check whether we can create it
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if (waylandServer() && waylandServer()->internalShmPool()) {
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2015-05-05 14:02:16 +03:00
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m_cursorTheme = new WaylandCursorTheme(waylandServer()->internalShmPool(), this);
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2016-02-02 18:40:21 +03:00
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connect(waylandServer(), &WaylandServer::terminatingInternalClientConnection, this,
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[this] {
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delete m_cursorTheme;
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m_cursorTheme = nullptr;
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}
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);
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2015-04-02 15:37:23 +03:00
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}
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}
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if (!m_cursorTheme) {
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return;
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}
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wl_cursor_image *cursor = m_cursorTheme->get(shape);
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if (!cursor) {
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return;
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}
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wl_buffer *b = wl_cursor_image_get_buffer(cursor);
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if (!b) {
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return;
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}
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waylandServer()->internalClientConection()->flush();
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2015-06-04 23:35:40 +03:00
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waylandServer()->dispatch();
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installThemeCursor(KWayland::Client::Buffer::getId(b), QPoint(cursor->hotspot_x, cursor->hotspot_y));
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2015-04-02 15:37:23 +03:00
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}
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void AbstractBackend::installThemeCursor(quint32 id, const QPoint &hotspot)
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{
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auto buffer = KWayland::Server::BufferInterface::get(waylandServer()->internalConnection()->getResource(id));
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if (!buffer) {
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return;
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}
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2015-04-13 17:25:34 +03:00
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if (m_softWareCursor) {
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triggerCursorRepaint();
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}
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2015-04-02 15:37:23 +03:00
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m_cursor.hotspot = hotspot;
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m_cursor.image = buffer->data().copy();
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2015-04-13 17:25:34 +03:00
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emit cursorChanged();
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2015-03-20 16:41:03 +03:00
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}
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2015-03-27 09:52:59 +03:00
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Screens *AbstractBackend::createScreens(QObject *parent)
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{
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Q_UNUSED(parent)
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return nullptr;
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}
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2015-03-27 10:51:56 +03:00
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OpenGLBackend *AbstractBackend::createOpenGLBackend()
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{
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return nullptr;
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}
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2015-03-27 11:05:03 +03:00
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QPainterBackend *AbstractBackend::createQPainterBackend()
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{
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return nullptr;
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}
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2015-04-01 16:36:40 +03:00
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void AbstractBackend::setSoftWareCursor(bool set)
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{
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if (m_softWareCursor == set) {
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return;
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}
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m_softWareCursor = set;
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if (m_softWareCursor) {
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connect(Cursor::self(), &Cursor::posChanged, this, &AbstractBackend::triggerCursorRepaint);
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} else {
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disconnect(Cursor::self(), &Cursor::posChanged, this, &AbstractBackend::triggerCursorRepaint);
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}
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}
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void AbstractBackend::triggerCursorRepaint()
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{
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if (!Compositor::self() || m_cursor.image.isNull()) {
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return;
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}
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Compositor::self()->addRepaint(m_cursor.lastRenderedPosition.x() - m_cursor.hotspot.x(),
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m_cursor.lastRenderedPosition.y() - m_cursor.hotspot.y(),
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m_cursor.image.width(), m_cursor.image.height());
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}
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void AbstractBackend::markCursorAsRendered()
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{
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m_cursor.lastRenderedPosition = Cursor::pos();
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}
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2015-05-05 11:44:46 +03:00
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void AbstractBackend::keyboardKeyPressed(quint32 key, quint32 time)
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{
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if (!input()) {
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return;
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}
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input()->processKeyboardKey(key, InputRedirection::KeyboardKeyPressed, time);
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}
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void AbstractBackend::keyboardKeyReleased(quint32 key, quint32 time)
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{
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if (!input()) {
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return;
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}
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input()->processKeyboardKey(key, InputRedirection::KeyboardKeyReleased, time);
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}
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void AbstractBackend::keyboardModifiers(uint32_t modsDepressed, uint32_t modsLatched, uint32_t modsLocked, uint32_t group)
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{
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if (!input()) {
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return;
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}
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input()->processKeyboardModifiers(modsDepressed, modsLatched, modsLocked, group);
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}
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void AbstractBackend::keymapChange(int fd, uint32_t size)
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{
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if (!input()) {
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return;
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}
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input()->processKeymapChange(fd, size);
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}
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void AbstractBackend::pointerAxisHorizontal(qreal delta, quint32 time)
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{
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if (!input()) {
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return;
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}
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input()->processPointerAxis(InputRedirection::PointerAxisHorizontal, delta, time);
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}
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void AbstractBackend::pointerAxisVertical(qreal delta, quint32 time)
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{
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if (!input()) {
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return;
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}
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input()->processPointerAxis(InputRedirection::PointerAxisVertical, delta, time);
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}
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void AbstractBackend::pointerButtonPressed(quint32 button, quint32 time)
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{
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if (!input()) {
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return;
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}
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input()->processPointerButton(button, InputRedirection::PointerButtonPressed, time);
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}
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void AbstractBackend::pointerButtonReleased(quint32 button, quint32 time)
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{
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if (!input()) {
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return;
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}
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input()->processPointerButton(button, InputRedirection::PointerButtonReleased, time);
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}
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void AbstractBackend::pointerMotion(const QPointF &position, quint32 time)
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{
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if (!input()) {
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return;
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}
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input()->processPointerMotion(position, time);
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}
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void AbstractBackend::touchCancel()
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{
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if (!input()) {
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return;
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}
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input()->cancelTouch();
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}
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void AbstractBackend::touchDown(qint32 id, const QPointF &pos, quint32 time)
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{
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if (!input()) {
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return;
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}
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input()->processTouchDown(id, pos, time);
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}
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void AbstractBackend::touchFrame()
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{
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if (!input()) {
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return;
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}
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input()->touchFrame();
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}
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void AbstractBackend::touchMotion(qint32 id, const QPointF &pos, quint32 time)
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{
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if (!input()) {
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return;
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}
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input()->processTouchMotion(id, pos, time);
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}
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void AbstractBackend::touchUp(qint32 id, quint32 time)
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{
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if (!input()) {
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return;
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}
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input()->processTouchUp(id, time);
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}
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2015-05-05 11:54:13 +03:00
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void AbstractBackend::repaint(const QRect &rect)
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{
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if (!Compositor::self()) {
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return;
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}
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Compositor::self()->addRepaint(rect);
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}
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2015-05-05 20:02:52 +03:00
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void AbstractBackend::setReady(bool ready)
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{
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if (m_ready == ready) {
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return;
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}
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m_ready = ready;
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emit readyChanged(m_ready);
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}
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2015-06-05 20:34:03 +03:00
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void AbstractBackend::warpPointer(const QPointF &globalPos)
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{
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Q_UNUSED(globalPos)
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}
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2015-08-18 09:40:35 +03:00
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bool AbstractBackend::supportsQpaContext() const
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{
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return hasGLExtension(QByteArrayLiteral("EGL_KHR_surfaceless_context"));
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}
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2015-08-18 09:35:34 +03:00
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EGLDisplay AbstractBackend::sceneEglDisplay() const
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{
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if (Compositor *c = Compositor::self()) {
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if (SceneOpenGL *s = dynamic_cast<SceneOpenGL*>(c->scene())) {
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return static_cast<AbstractEglBackend*>(s->backend())->eglDisplay();
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}
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}
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return EGL_NO_DISPLAY;
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}
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EGLContext AbstractBackend::sceneEglContext() const
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{
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if (Compositor *c = Compositor::self()) {
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if (SceneOpenGL *s = dynamic_cast<SceneOpenGL*>(c->scene())) {
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return static_cast<AbstractEglBackend*>(s->backend())->context();
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}
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}
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return EGL_NO_CONTEXT;
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}
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2015-11-17 12:32:06 +03:00
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QSize AbstractBackend::screenSize() const
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{
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return QSize();
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}
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2015-11-20 18:11:35 +03:00
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QVector<QRect> AbstractBackend::screenGeometries() const
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{
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return QVector<QRect>({QRect(QPoint(0, 0), screenSize())});
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}
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2015-03-20 16:41:03 +03:00
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}
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