src/plugins/platforms/wayland/qwaylandwindow.cpp

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  41
  42 #include "qwaylandwindow.h"
  43
  44 #include "qwaylandbuffer.h"
  45 #include "qwaylanddisplay.h"
  46 #include "qwaylandinputdevice.h"
  47 #include "qwaylandscreen.h"
  48
  49 #include <QtGui/QWindow>
  50
  51 #ifdef QT_WAYLAND_WINDOWMANAGER_SUPPORT
  52 #include "windowmanager_integration/qwaylandwindowmanagerintegration.h"
  53 #endif
  54
  55 #include <QCoreApplication>
  56 #include <QtGui/QWindowSystemInterface>
  57
  58 #include <QDebug>
  59
  60 QWaylandWindow::QWaylandWindow(QWindow *window)
  61     : QPlatformWindow(window)
  62     , mDisplay(QWaylandScreen::waylandScreenFromWindow(window)->display())
  63     , mBuffer(0)
  64     , mWaitingForFrameSync(false)
  65 {
  66     static WId id = 1;
  67     mWindowId = id++;
  68
  69 #ifdef QT_WAYLAND_WINDOWMANAGER_SUPPORT
  70         mDisplay->windowManagerIntegration()->mapClientToProcess(qApp->applicationPid());
  71         mDisplay->windowManagerIntegration()->authenticateWithToken();
  72 #endif
  73
  74     mSurface = mDisplay->createSurface(this);
  75 }
  76
  77 QWaylandWindow::~QWaylandWindow()
  78 {
  79     if (mSurface)
  80         wl_surface_destroy(mSurface);
  81
  82     QList<QWaylandInputDevice *> inputDevices = mDisplay->inputDevices();
  83     for (int i = 0; i < inputDevices.size(); ++i)
  84         inputDevices.at(i)->handleWindowDestroyed(this);
  85 }
  86
  87 WId QWaylandWindow::winId() const
  88 {
  89     return mWindowId;
  90 }
  91
  92 void QWaylandWindow::setParent(const QPlatformWindow *parent)
  93 {
  94     Q_UNUSED(parent);
  95     qWarning("Sub window is not supported");
  96 }
  97
  98 void QWaylandWindow::setVisible(bool visible)
  99 {
 100     if (!mSurface && visible) {
 101         mSurface = mDisplay->createSurface(this);
 102         newSurfaceCreated();
 103     }
 104
 105     if (visible) {
 106         wl_surface_map_toplevel(mSurface);
 107         QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(), geometry().size()));
 108     } else {
 109         wl_surface_destroy(mSurface);
 110         mSurface = NULL;
 111     }
 112 }
 113
 114 void QWaylandWindow::configure(uint32_t time, uint32_t edges,
 115                                int32_t x, int32_t y,
 116                                int32_t width, int32_t height)
 117 {
 118     Q_UNUSED(time);
 119     Q_UNUSED(edges);
 120
 121     QRect geometry = QRect(x, y, width, height);
 122     setGeometry(geometry);
 123
 124     QWindowSystemInterface::handleGeometryChange(window(), geometry);
 125 }
 126
 127 void QWaylandWindow::attach(QWaylandBuffer *buffer)
 128 {
 129     mBuffer = buffer;
 130     if (mSurface) {
 131         wl_surface_attach(mSurface, buffer->buffer(),0,0);
 132     }
 133 }
 134
 135 void QWaylandWindow::damage(const QRegion &region)
 136 {
 137     //We have to do sync stuff before calling damage, or we might
 138     //get a frame callback before we get the timestamp
 139     mDisplay->frameCallback(QWaylandWindow::frameCallback, mSurface, this);
 140     mWaitingForFrameSync = true;
 141
 142     QVector<QRect> rects = region.rects();
 143     for (int i = 0; i < rects.size(); i++) {
 144         const QRect rect = rects.at(i);
 145         wl_buffer_damage(mBuffer->buffer(), rect.x(), rect.y(), rect.width(), rect.height());
 146         wl_surface_damage(mSurface,
 147                           rect.x(), rect.y(), rect.width(), rect.height());
 148     }
 149 }
 150
 151 void QWaylandWindow::newSurfaceCreated()
 152 {
 153     if (mBuffer) {
 154         wl_surface_attach(mSurface,mBuffer->buffer(),0,0);
 155     }
 156 }
 157
 158 void QWaylandWindow::frameCallback(struct wl_surface *surface, void *data, uint32_t time)
 159 {
 160     Q_UNUSED(time);
 161     Q_UNUSED(surface);
 162     QWaylandWindow *self = static_cast<QWaylandWindow*>(data);
 163     self->mWaitingForFrameSync = false;
 164 }
 165
 166 void QWaylandWindow::waitForFrameSync()
 167 {
 168     mDisplay->flushRequests();
 169     while (mWaitingForFrameSync)
 170         mDisplay->blockingReadEvents();
 171 }