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Diffstat (limited to 'examples/wayland/qwindow-compositor/compositor.cpp')
| -rw-r--r-- | examples/wayland/qwindow-compositor/compositor.cpp | 550 |
1 files changed, 0 insertions, 550 deletions
diff --git a/examples/wayland/qwindow-compositor/compositor.cpp b/examples/wayland/qwindow-compositor/compositor.cpp deleted file mode 100644 index 485f16504..000000000 --- a/examples/wayland/qwindow-compositor/compositor.cpp +++ /dev/null @@ -1,550 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Wayland module -** -** $QT_BEGIN_LICENSE:BSD$ -** 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. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "compositor.h" - -#include <QMouseEvent> -#include <QKeyEvent> -#include <QTouchEvent> - -#include <QtWaylandCompositor/QWaylandXdgShellV5> -#include <QtWaylandCompositor/QWaylandWlShellSurface> -#include <QtWaylandCompositor/qwaylandseat.h> -#include <QtWaylandCompositor/qwaylanddrag.h> - -#include <QDebug> -#include <QOpenGLContext> - -#ifndef GL_TEXTURE_EXTERNAL_OES -#define GL_TEXTURE_EXTERNAL_OES 0x8D65 -#endif - -View::View(Compositor *compositor) - : m_compositor(compositor) -{} - -QOpenGLTexture *View::getTexture() -{ - bool newContent = advance(); - QWaylandBufferRef buf = currentBuffer(); - if (!buf.hasContent()) - m_texture = nullptr; - if (newContent) { - m_texture = buf.toOpenGLTexture(); - if (surface()) { - m_size = surface()->destinationSize(); - m_origin = buf.origin() == QWaylandSurface::OriginTopLeft - ? QOpenGLTextureBlitter::OriginTopLeft - : QOpenGLTextureBlitter::OriginBottomLeft; - } - } - - return m_texture; -} - -QOpenGLTextureBlitter::Origin View::textureOrigin() const -{ - return m_origin; -} - -QSize View::size() const -{ - return surface() ? surface()->destinationSize() : m_size; -} - -bool View::isCursor() const -{ - return surface() && surface()->isCursorSurface(); -} - - -void View::onXdgSetMaximized() -{ - m_xdgSurface->sendMaximized(output()->geometry().size()); - - // An improvement here, would have been to wait for the commit after the ack_configure for the - // request above before moving the window. This would have prevented the window from being - // moved until the contents of the window had actually updated. This improvement is left as an - // exercise for the reader. - setPosition(QPoint(0, 0)); -} - -void View::onXdgUnsetMaximized() -{ - m_xdgSurface->sendUnmaximized(); -} - -void View::onXdgSetFullscreen(QWaylandOutput* clientPreferredOutput) -{ - QWaylandOutput *outputToFullscreen = clientPreferredOutput - ? clientPreferredOutput - : output(); - - m_xdgSurface->sendFullscreen(outputToFullscreen->geometry().size()); - - // An improvement here, would have been to wait for the commit after the ack_configure for the - // request above before moving the window. This would have prevented the window from being - // moved until the contents of the window had actually updated. This improvement is left as an - // exercise for the reader. - setPosition(outputToFullscreen->position()); -} - -void View::onOffsetForNextFrame(const QPoint &offset) -{ - m_offset = offset; - setPosition(position() + offset); -} - - -void View::timerEvent(QTimerEvent *event) -{ - if (event->timerId() != m_animationTimer.timerId()) - return; - - m_compositor->triggerRender(); - - if (m_animationCountUp) { - m_animationFactor += .08; - if (m_animationFactor > 1.0) { - m_animationFactor = 1.0; - m_animationTimer.stop(); - emit animationDone(); - } - } else { - m_animationFactor -= .08; - if (m_animationFactor < 0.01) { - m_animationFactor = 0.01; - m_animationTimer.stop(); - emit animationDone(); - } - } -} - -void View::startAnimation(bool countUp) -{ - m_animationCountUp = countUp; - m_animationFactor = countUp ? .1 : 1.0; - m_animationTimer.start(20, this); -} - -void View::cancelAnimation() -{ - m_animationFactor = 1.0; - m_animationTimer.stop(); -} - -void View::onXdgUnsetFullscreen() -{ - onXdgUnsetMaximized(); -} - -Compositor::Compositor(QWindow *window) - : m_window(window) - , m_wlShell(new QWaylandWlShell(this)) - , m_xdgShell(new QWaylandXdgShellV5(this)) -{ - connect(m_wlShell, &QWaylandWlShell::wlShellSurfaceCreated, this, &Compositor::onWlShellSurfaceCreated); - connect(m_xdgShell, &QWaylandXdgShellV5::xdgSurfaceCreated, this, &Compositor::onXdgSurfaceCreated); - connect(m_xdgShell, &QWaylandXdgShellV5::xdgPopupRequested, this, &Compositor::onXdgPopupRequested); -} - -Compositor::~Compositor() -{ -} - -void Compositor::create() -{ - QWaylandOutput *output = new QWaylandOutput(this, m_window); - QWaylandOutputMode mode(QSize(800, 600), 60000); - output->addMode(mode, true); - QWaylandCompositor::create(); - output->setCurrentMode(mode); - - connect(this, &QWaylandCompositor::surfaceCreated, this, &Compositor::onSurfaceCreated); - connect(defaultSeat(), &QWaylandSeat::cursorSurfaceRequest, this, &Compositor::adjustCursorSurface); - connect(defaultSeat()->drag(), &QWaylandDrag::dragStarted, this, &Compositor::startDrag); - - connect(this, &QWaylandCompositor::subsurfaceChanged, this, &Compositor::onSubsurfaceChanged); -} - -void Compositor::onSurfaceCreated(QWaylandSurface *surface) -{ - connect(surface, &QWaylandSurface::surfaceDestroyed, this, &Compositor::surfaceDestroyed); - connect(surface, &QWaylandSurface::hasContentChanged, this, &Compositor::surfaceHasContentChanged); - connect(surface, &QWaylandSurface::redraw, this, &Compositor::triggerRender); - - connect(surface, &QWaylandSurface::subsurfacePositionChanged, this, &Compositor::onSubsurfacePositionChanged); - View *view = new View(this); - view->setSurface(surface); - view->setOutput(outputFor(m_window)); - m_views << view; - connect(view, &QWaylandView::surfaceDestroyed, this, &Compositor::viewSurfaceDestroyed); - connect(surface, &QWaylandSurface::offsetForNextFrame, view, &View::onOffsetForNextFrame); -} - -void Compositor::surfaceHasContentChanged() -{ - QWaylandSurface *surface = qobject_cast<QWaylandSurface *>(sender()); - if (surface->hasContent()) { - if (surface->role() == QWaylandWlShellSurface::role() - || surface->role() == QWaylandXdgSurfaceV5::role() - || surface->role() == QWaylandXdgPopupV5::role()) { - defaultSeat()->setKeyboardFocus(surface); - } - } - triggerRender(); -} - -void Compositor::surfaceDestroyed() -{ - triggerRender(); -} - -void Compositor::viewSurfaceDestroyed() -{ - View *view = qobject_cast<View*>(sender()); - view->setBufferLocked(true); - view->startAnimation(false); - connect(view, &View::animationDone, this, &Compositor::viewAnimationDone); -} - - -void Compositor::viewAnimationDone() -{ - View *view = qobject_cast<View*>(sender()); - m_views.removeAll(view); - delete view; -} - - -View * Compositor::findView(const QWaylandSurface *s) const -{ - for (View* view : m_views) { - if (view->surface() == s) - return view; - } - return nullptr; -} - -void Compositor::onWlShellSurfaceCreated(QWaylandWlShellSurface *wlShellSurface) -{ - connect(wlShellSurface, &QWaylandWlShellSurface::startMove, this, &Compositor::onStartMove); - connect(wlShellSurface, &QWaylandWlShellSurface::startResize, this, &Compositor::onWlStartResize); - connect(wlShellSurface, &QWaylandWlShellSurface::setTransient, this, &Compositor::onSetTransient); - connect(wlShellSurface, &QWaylandWlShellSurface::setPopup, this, &Compositor::onSetPopup); - - View *view = findView(wlShellSurface->surface()); - Q_ASSERT(view); - view->m_wlShellSurface = wlShellSurface; - view->startAnimation(true); -} - -void Compositor::onXdgSurfaceCreated(QWaylandXdgSurfaceV5 *xdgSurface) -{ - connect(xdgSurface, &QWaylandXdgSurfaceV5::startMove, this, &Compositor::onStartMove); - connect(xdgSurface, &QWaylandXdgSurfaceV5::startResize, this, &Compositor::onXdgStartResize); - - View *view = findView(xdgSurface->surface()); - Q_ASSERT(view); - view->m_xdgSurface = xdgSurface; - - connect(xdgSurface, &QWaylandXdgSurfaceV5::setMaximized, view, &View::onXdgSetMaximized); - connect(xdgSurface, &QWaylandXdgSurfaceV5::setFullscreen, view, &View::onXdgSetFullscreen); - connect(xdgSurface, &QWaylandXdgSurfaceV5::unsetMaximized, view, &View::onXdgUnsetMaximized); - connect(xdgSurface, &QWaylandXdgSurfaceV5::unsetFullscreen, view, &View::onXdgUnsetFullscreen); - view->startAnimation(true); -} - -void Compositor::onXdgPopupRequested(QWaylandSurface *surface, QWaylandSurface *parent, - QWaylandSeat *seat, const QPoint &position, - const QWaylandResource &resource) -{ - Q_UNUSED(seat); - - QWaylandXdgPopupV5 *xdgPopup = new QWaylandXdgPopupV5(m_xdgShell, surface, parent, position, resource); - - View *view = findView(surface); - Q_ASSERT(view); - - View *parentView = findView(parent); - Q_ASSERT(parentView); - - view->setPosition(parentView->position() + position); - view->m_xdgPopup = xdgPopup; -} - -void Compositor::onStartMove() -{ - closePopups(); - emit startMove(); -} - -void Compositor::onWlStartResize(QWaylandSeat *, QWaylandWlShellSurface::ResizeEdge edges) -{ - closePopups(); - emit startResize(int(edges), false); -} - -void Compositor::onXdgStartResize(QWaylandSeat *seat, - QWaylandXdgSurfaceV5::ResizeEdge edges) -{ - Q_UNUSED(seat); - emit startResize(int(edges), true); -} - -void Compositor::onSetTransient(QWaylandSurface *parent, const QPoint &relativeToParent, bool inactive) -{ - Q_UNUSED(inactive); - - QWaylandWlShellSurface *wlShellSurface = qobject_cast<QWaylandWlShellSurface*>(sender()); - View *view = findView(wlShellSurface->surface()); - - if (view) { - raise(view); - View *parentView = findView(parent); - if (parentView) - view->setPosition(parentView->position() + relativeToParent); - } -} - -void Compositor::onSetPopup(QWaylandSeat *seat, QWaylandSurface *parent, const QPoint &relativeToParent) -{ - Q_UNUSED(seat); - QWaylandWlShellSurface *surface = qobject_cast<QWaylandWlShellSurface*>(sender()); - View *view = findView(surface->surface()); - if (view) { - raise(view); - View *parentView = findView(parent); - if (parentView) - view->setPosition(parentView->position() + relativeToParent); - view->cancelAnimation(); - } -} - -void Compositor::onSubsurfaceChanged(QWaylandSurface *child, QWaylandSurface *parent) -{ - View *view = findView(child); - View *parentView = findView(parent); - view->setParentView(parentView); -} - -void Compositor::onSubsurfacePositionChanged(const QPoint &position) -{ - QWaylandSurface *surface = qobject_cast<QWaylandSurface*>(sender()); - if (!surface) - return; - View *view = findView(surface); - view->setPosition(position); - triggerRender(); -} - -void Compositor::triggerRender() -{ - m_window->requestUpdate(); -} - -void Compositor::startRender() -{ - QWaylandOutput *out = defaultOutput(); - if (out) - out->frameStarted(); -} - -void Compositor::endRender() -{ - QWaylandOutput *out = defaultOutput(); - if (out) - out->sendFrameCallbacks(); -} - -void Compositor::updateCursor() -{ - m_cursorView.advance(); - QImage image = m_cursorView.currentBuffer().image(); - if (!image.isNull()) - m_window->setCursor(QCursor(QPixmap::fromImage(image), m_cursorHotspotX, m_cursorHotspotY)); -} - -void Compositor::adjustCursorSurface(QWaylandSurface *surface, int hotspotX, int hotspotY) -{ - if ((m_cursorView.surface() != surface)) { - if (m_cursorView.surface()) - disconnect(m_cursorView.surface(), &QWaylandSurface::redraw, this, &Compositor::updateCursor); - if (surface) - connect(surface, &QWaylandSurface::redraw, this, &Compositor::updateCursor); - } - - m_cursorView.setSurface(surface); - m_cursorHotspotX = hotspotX; - m_cursorHotspotY = hotspotY; - - if (surface && surface->hasContent()) - updateCursor(); -} - -void Compositor::closePopups() -{ - m_wlShell->closeAllPopups(); - m_xdgShell->closeAllPopups(); -} - -void Compositor::handleMouseEvent(QWaylandView *target, QMouseEvent *me) -{ - auto popClient = popupClient(); - if (target && me->type() == QEvent::MouseButtonPress - && popClient && popClient != target->surface()->client()) { - closePopups(); - } - - QWaylandSeat *seat = defaultSeat(); - QWaylandSurface *surface = target ? target->surface() : nullptr; - switch (me->type()) { - case QEvent::MouseButtonPress: - seat->sendMousePressEvent(me->button()); - if (surface != seat->keyboardFocus()) { - if (surface == nullptr - || surface->role() == QWaylandWlShellSurface::role() - || surface->role() == QWaylandXdgSurfaceV5::role() - || surface->role() == QWaylandXdgPopupV5::role()) { - seat->setKeyboardFocus(surface); - } - } - break; - case QEvent::MouseButtonRelease: - seat->sendMouseReleaseEvent(me->button()); - break; - case QEvent::MouseMove: - seat->sendMouseMoveEvent(target, me->localPos(), me->globalPos()); - default: - break; - } -} - -void Compositor::handleResize(View *target, const QSize &initialSize, const QPoint &delta, int edge) -{ - QWaylandWlShellSurface *wlShellSurface = target->m_wlShellSurface; - if (wlShellSurface) { - QWaylandWlShellSurface::ResizeEdge edges = QWaylandWlShellSurface::ResizeEdge(edge); - QSize newSize = wlShellSurface->sizeForResize(initialSize, delta, edges); - wlShellSurface->sendConfigure(newSize, edges); - } - - QWaylandXdgSurfaceV5 *xdgSurface = target->m_xdgSurface; - if (xdgSurface) { - QWaylandXdgSurfaceV5::ResizeEdge edges = static_cast<QWaylandXdgSurfaceV5::ResizeEdge>(edge); - QSize newSize = xdgSurface->sizeForResize(initialSize, delta, edges); - xdgSurface->sendResizing(newSize); - } -} - -void Compositor::startDrag() -{ - QWaylandDrag *currentDrag = defaultSeat()->drag(); - Q_ASSERT(currentDrag); - View *iconView = findView(currentDrag->icon()); - iconView->setPosition(m_window->mapFromGlobal(QCursor::pos())); - - emit dragStarted(iconView); -} - -void Compositor::handleDrag(View *target, QMouseEvent *me) -{ - QPointF pos = me->localPos(); - QWaylandSurface *surface = nullptr; - if (target) { - pos -= target->position(); - surface = target->surface(); - } - QWaylandDrag *currentDrag = defaultSeat()->drag(); - currentDrag->dragMove(surface, pos); - if (me->buttons() == Qt::NoButton) { - m_views.removeOne(findView(currentDrag->icon())); - currentDrag->drop(); - } -} - -QWaylandClient *Compositor::popupClient() const -{ - auto client = m_wlShell->popupClient(); - return client ? client : m_xdgShell->popupClient(); -} - -// We only have a flat list of views, plus pointers from child to parent, -// so maintaining a stacking order gets a bit complex. A better data -// structure is left as an exercise for the reader. - -static int findEndOfChildTree(const QList<View*> &list, int index) -{ - int n = list.count(); - View *parent = list.at(index); - while (index + 1 < n) { - if (list.at(index+1)->parentView() != parent) - break; - index = findEndOfChildTree(list, index + 1); - } - return index; -} - -void Compositor::raise(View *view) -{ - int startPos = m_views.indexOf(view); - int endPos = findEndOfChildTree(m_views, startPos); - - int n = m_views.count(); - int tail = n - endPos - 1; - - //bubble sort: move the child tree to the end of the list - for (int i = 0; i < tail; i++) { - int source = endPos + 1 + i; - int dest = startPos + i; - for (int j = source; j > dest; j--) - m_views.swap(j, j-1); - } -} |