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Diffstat (limited to 'examples/wayland/qwindow-compositor/qwindowcompositor.cpp')
| -rw-r--r-- | examples/wayland/qwindow-compositor/qwindowcompositor.cpp | 485 |
1 files changed, 0 insertions, 485 deletions
diff --git a/examples/wayland/qwindow-compositor/qwindowcompositor.cpp b/examples/wayland/qwindow-compositor/qwindowcompositor.cpp deleted file mode 100644 index 58df7ead5..000000000 --- a/examples/wayland/qwindow-compositor/qwindowcompositor.cpp +++ /dev/null @@ -1,485 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2014 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com> -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ -** -** This file is part of the Qt Compositor. -** -** $QT_BEGIN_LICENSE:BSD$ -** 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 "qwindowcompositor.h" - -#include <QMouseEvent> -#include <QKeyEvent> -#include <QTouchEvent> -#include <QOpenGLFunctions> -#include <QOpenGLTexture> -#include <QGuiApplication> -#include <QCursor> -#include <QPixmap> -#include <QLinkedList> -#include <QScreen> -#include <QPainter> - -#include <QtCompositor/qwaylandinput.h> -#include <QtCompositor/qwaylandbufferref.h> -#include <QtCompositor/qwaylandsurfaceview.h> -#include <QtCompositor/qwaylandoutput.h> - -QT_BEGIN_NAMESPACE - -class BufferAttacher : public QWaylandBufferAttacher -{ -public: - BufferAttacher() - : QWaylandBufferAttacher() - , shmTex(0) - { - } - - ~BufferAttacher() - { - delete shmTex; - } - - void attach(const QWaylandBufferRef &ref) Q_DECL_OVERRIDE - { - if (bufferRef) { - if (bufferRef.isShm()) { - delete shmTex; - shmTex = 0; - } else { - bufferRef.destroyTexture(); - } - } - - bufferRef = ref; - - if (bufferRef) { - if (bufferRef.isShm()) { - shmTex = new QOpenGLTexture(bufferRef.image(), QOpenGLTexture::DontGenerateMipMaps); - shmTex->setWrapMode(QOpenGLTexture::ClampToEdge); - texture = shmTex->textureId(); - textureTarget = GL_TEXTURE_2D; - } else { - texture = bufferRef.createTexture(); - textureTarget = bufferRef.textureTarget(); - } - } - } - - void unmap() - { - delete shmTex; - shmTex = 0; - bufferRef = QWaylandBufferRef(); - } - - QImage image() const - { - if (!bufferRef || !bufferRef.isShm()) - return QImage(); - return bufferRef.image(); - } - - void updateTexture() - { - if (bufferRef) - bufferRef.updateTexture(); - } - - QOpenGLTexture *shmTex; - QWaylandBufferRef bufferRef; - GLuint texture; - GLenum textureTarget; -}; - -QWindowCompositor::QWindowCompositor(CompositorWindow *window) - : QWaylandCompositor(0, DefaultExtensions) - , m_window(window) - , m_backgroundTexture(0) - , m_textureBlitter(0) - , m_renderScheduler(this) - , m_draggingWindow(0) - , m_dragKeyIsPressed(false) - , m_cursorSurface(0) - , m_cursorHotspotX(0) - , m_cursorHotspotY(0) - , m_modifiers(Qt::NoModifier) -{ - m_window->makeCurrent(); - - m_textureBlitter = new TextureBlitter(); - m_backgroundImage = makeBackgroundImage(QLatin1String(":/background.jpg")); - m_renderScheduler.setSingleShot(true); - connect(&m_renderScheduler,SIGNAL(timeout()),this,SLOT(render())); - - QOpenGLFunctions *functions = m_window->context()->functions(); - functions->glGenFramebuffers(1, &m_surface_fbo); - - window->installEventFilter(this); - - setRetainedSelectionEnabled(true); - - createOutput(window, "", ""); - addDefaultShell(); -} - -QWindowCompositor::~QWindowCompositor() -{ - delete m_textureBlitter; -} - - -QImage QWindowCompositor::makeBackgroundImage(const QString &fileName) -{ - Q_ASSERT(m_window); - - int width = m_window->width(); - int height = m_window->height(); - QImage baseImage(fileName); - QImage patternedBackground(width, height, baseImage.format()); - QPainter painter(&patternedBackground); - - QSize imageSize = baseImage.size(); - for (int y = 0; y < height; y += imageSize.height()) { - for (int x = 0; x < width; x += imageSize.width()) { - painter.drawImage(x, y, baseImage); - } - } - - return patternedBackground; -} - -void QWindowCompositor::ensureKeyboardFocusSurface(QWaylandSurface *oldSurface) -{ - QWaylandSurface *kbdFocus = defaultInputDevice()->keyboardFocus(); - if (kbdFocus == oldSurface || !kbdFocus) - defaultInputDevice()->setKeyboardFocus(m_surfaces.isEmpty() ? 0 : m_surfaces.last()); -} - -void QWindowCompositor::surfaceDestroyed() -{ - QWaylandSurface *surface = static_cast<QWaylandSurface *>(sender()); - m_surfaces.removeOne(surface); - ensureKeyboardFocusSurface(surface); - m_renderScheduler.start(0); -} - -void QWindowCompositor::surfaceMapped() -{ - QWaylandSurface *surface = qobject_cast<QWaylandSurface *>(sender()); - QPoint pos; - if (!m_surfaces.contains(surface)) { - if (surface->windowType() != QWaylandSurface::Popup) { - uint px = 0; - uint py = 0; - if (!QCoreApplication::arguments().contains(QLatin1String("-stickytopleft"))) { - px = 1 + (qrand() % (m_window->width() - surface->size().width() - 2)); - py = 1 + (qrand() % (m_window->height() - surface->size().height() - 2)); - } - pos = QPoint(px, py); - QWaylandSurfaceView *view = surface->views().first(); - view->setPos(pos); - } - } else { - m_surfaces.removeOne(surface); - } - - if (surface->windowType() == QWaylandSurface::Popup) { - QWaylandSurfaceView *view = surface->views().first(); - view->setPos(surface->transientParent()->views().first()->pos() + surface->transientOffset()); - } - - m_surfaces.append(surface); - defaultInputDevice()->setKeyboardFocus(surface); - - m_renderScheduler.start(0); -} - -void QWindowCompositor::surfaceUnmapped() -{ - QWaylandSurface *surface = qobject_cast<QWaylandSurface *>(sender()); - if (m_surfaces.removeOne(surface)) - m_surfaces.insert(0, surface); - - ensureKeyboardFocusSurface(surface); - m_renderScheduler.start(0); -} - -void QWindowCompositor::surfaceCommitted() -{ - QWaylandSurface *surface = qobject_cast<QWaylandSurface *>(sender()); - surfaceCommitted(surface); -} - -void QWindowCompositor::surfacePosChanged() -{ - m_renderScheduler.start(0); -} - -void QWindowCompositor::surfaceCommitted(QWaylandSurface *surface) -{ - Q_UNUSED(surface) - m_renderScheduler.start(0); -} - -void QWindowCompositor::surfaceCreated(QWaylandSurface *surface) -{ - connect(surface, SIGNAL(surfaceDestroyed()), this, SLOT(surfaceDestroyed())); - connect(surface, SIGNAL(mapped()), this, SLOT(surfaceMapped())); - connect(surface, SIGNAL(unmapped()), this, SLOT(surfaceUnmapped())); - connect(surface, SIGNAL(redraw()), this, SLOT(surfaceCommitted())); - connect(surface, SIGNAL(extendedSurfaceReady()), this, SLOT(sendExpose())); - m_renderScheduler.start(0); - - surface->setBufferAttacher(new BufferAttacher); -} - -void QWindowCompositor::sendExpose() -{ - QWaylandSurface *surface = qobject_cast<QWaylandSurface *>(sender()); - surface->sendOnScreenVisibilityChange(true); -} - -void QWindowCompositor::updateCursor(bool hasBuffer) -{ - Q_UNUSED(hasBuffer) - if (!m_cursorSurface) - return; - - QImage image = static_cast<BufferAttacher *>(m_cursorSurface->bufferAttacher())->image(); - - QCursor cursor(QPixmap::fromImage(image), m_cursorHotspotX, m_cursorHotspotY); - static bool cursorIsSet = false; - if (cursorIsSet) { - QGuiApplication::changeOverrideCursor(cursor); - } else { - QGuiApplication::setOverrideCursor(cursor); - cursorIsSet = true; - } -} - -QPointF QWindowCompositor::toView(QWaylandSurfaceView *view, const QPointF &pos) const -{ - return pos - view->pos(); -} - -void QWindowCompositor::setCursorSurface(QWaylandSurface *surface, int hotspotX, int hotspotY) -{ - if ((m_cursorSurface != surface) && surface) - connect(surface, SIGNAL(configure(bool)), this, SLOT(updateCursor(bool))); - - m_cursorSurface = surface; - m_cursorHotspotX = hotspotX; - m_cursorHotspotY = hotspotY; - if (m_cursorSurface && !m_cursorSurface->bufferAttacher()) - m_cursorSurface->setBufferAttacher(new BufferAttacher); -} - -QWaylandSurfaceView *QWindowCompositor::viewAt(const QPointF &point, QPointF *local) -{ - for (int i = m_surfaces.size() - 1; i >= 0; --i) { - QWaylandSurface *surface = m_surfaces.at(i); - foreach (QWaylandSurfaceView *view, surface->views()) { - QRectF geo(view->pos(), surface->size()); - if (geo.contains(point)) { - if (local) - *local = toView(view, point); - return view; - } - } - } - return 0; -} - -void QWindowCompositor::render() -{ - m_window->makeCurrent(); - frameStarted(); - - cleanupGraphicsResources(); - - if (!m_backgroundTexture) - m_backgroundTexture = new QOpenGLTexture(m_backgroundImage, QOpenGLTexture::DontGenerateMipMaps); - - m_textureBlitter->bind(GL_TEXTURE_2D); - // Draw the background image texture - m_textureBlitter->drawTexture(m_backgroundTexture->textureId(), - QRect(QPoint(0, 0), m_backgroundImage.size()), - m_window->size(), - 0, false, true); - - foreach (QWaylandSurface *surface, m_surfaces) { - if (!surface->visible()) - continue; - BufferAttacher *ba = static_cast<BufferAttacher *>(surface->bufferAttacher()); - ba->updateTexture(); - const GLuint texture = ba->texture; - const GLenum target = ba->textureTarget; - m_textureBlitter->bind(target); - foreach (QWaylandSurfaceView *view, surface->views()) { - QRect geo(view->pos().toPoint(),surface->size()); - m_textureBlitter->drawTexture(texture,geo,m_window->size(),0,false,surface->isYInverted()); - } - } - - m_textureBlitter->release(); - sendFrameCallbacks(surfaces()); - - // N.B. Never call glFinish() here as the busylooping with vsync 'feature' of the nvidia binary driver is not desirable. - m_window->swapBuffers(); -} - -bool QWindowCompositor::eventFilter(QObject *obj, QEvent *event) -{ - if (obj != m_window) - return false; - - QWaylandInputDevice *input = defaultInputDevice(); - - switch (event->type()) { - case QEvent::Expose: - m_renderScheduler.start(0); - if (m_window->isExposed()) { - // Alt-tabbing away normally results in the alt remaining in - // pressed state in the clients xkb state. Prevent this by sending - // a release. This is not an issue in a "real" compositor but - // is very annoying when running in a regular window on xcb. - Qt::KeyboardModifiers mods = QGuiApplication::queryKeyboardModifiers(); - if (m_modifiers != mods && input->keyboardFocus()) { - Qt::KeyboardModifiers stuckMods = m_modifiers ^ mods; - if (stuckMods & Qt::AltModifier) - input->sendKeyReleaseEvent(64); // native scancode for left alt - m_modifiers = mods; - } - } - break; - case QEvent::MouseButtonPress: { - QPointF local; - QMouseEvent *me = static_cast<QMouseEvent *>(event); - QWaylandSurfaceView *target = viewAt(me->localPos(), &local); - if (m_dragKeyIsPressed && target) { - m_draggingWindow = target; - m_drag_diff = local; - } else { - if (target && input->keyboardFocus() != target->surface()) { - input->setKeyboardFocus(target->surface()); - m_surfaces.removeOne(target->surface()); - m_surfaces.append(target->surface()); - m_renderScheduler.start(0); - } - input->sendMousePressEvent(me->button(), local, me->localPos()); - } - return true; - } - case QEvent::MouseButtonRelease: { - QWaylandSurfaceView *target = input->mouseFocus(); - if (m_draggingWindow) { - m_draggingWindow = 0; - m_drag_diff = QPointF(); - } else { - QMouseEvent *me = static_cast<QMouseEvent *>(event); - QPointF localPos; - if (target) - localPos = toView(target, me->localPos()); - input->sendMouseReleaseEvent(me->button(), localPos, me->localPos()); - } - return true; - } - case QEvent::MouseMove: { - QMouseEvent *me = static_cast<QMouseEvent *>(event); - if (m_draggingWindow) { - m_draggingWindow->setPos(me->localPos() - m_drag_diff); - m_renderScheduler.start(0); - } else { - QPointF local; - QWaylandSurfaceView *target = viewAt(me->localPos(), &local); - input->sendMouseMoveEvent(target, local, me->localPos()); - } - break; - } - case QEvent::Wheel: { - QWheelEvent *we = static_cast<QWheelEvent *>(event); - input->sendMouseWheelEvent(we->orientation(), we->delta()); - break; - } - case QEvent::KeyPress: { - QKeyEvent *ke = static_cast<QKeyEvent *>(event); - if (ke->key() == Qt::Key_Meta || ke->key() == Qt::Key_Super_L) { - m_dragKeyIsPressed = true; - } - m_modifiers = ke->modifiers(); - QWaylandSurface *targetSurface = input->keyboardFocus(); - if (targetSurface) - input->sendKeyPressEvent(ke->nativeScanCode()); - break; - } - case QEvent::KeyRelease: { - QKeyEvent *ke = static_cast<QKeyEvent *>(event); - if (ke->key() == Qt::Key_Meta || ke->key() == Qt::Key_Super_L) { - m_dragKeyIsPressed = false; - } - m_modifiers = ke->modifiers(); - QWaylandSurface *targetSurface = input->keyboardFocus(); - if (targetSurface) - input->sendKeyReleaseEvent(ke->nativeScanCode()); - break; - } - case QEvent::TouchBegin: - case QEvent::TouchUpdate: - case QEvent::TouchEnd: - { - QWaylandSurfaceView *target = 0; - QTouchEvent *te = static_cast<QTouchEvent *>(event); - QList<QTouchEvent::TouchPoint> points = te->touchPoints(); - QPoint pointPos; - if (!points.isEmpty()) { - pointPos = points.at(0).pos().toPoint(); - target = viewAt(pointPos); - } - if (target && target != input->mouseFocus()) - input->setMouseFocus(target, pointPos, pointPos); - if (input->mouseFocus()) - input->sendFullTouchEvent(te); - break; - } - default: - break; - } - return false; -} - -QT_END_NAMESPACE |