QXcbShmImage::QXcbShmImage(QXcbScreen *screen, const QSize &size, uint depth, QImage::Format format)
: QXcbObject(screen->connection())
, m_gc(0)
, m_gc_window(0)
{
Q_XCB_NOOP(connection());
m_xcb_image = xcb_image_create_native(xcb_connection(),
size.width(),
size.height(),
XCB_IMAGE_FORMAT_Z_PIXMAP,
depth,
0,
~0,
0);
m_shm_info.shmid = shmget (IPC_PRIVATE,
m_xcb_image->stride * m_xcb_image->height, IPC_CREAT|0777);
m_shm_info.shmaddr = m_xcb_image->data = (quint8 *)shmat (m_shm_info.shmid, 0, 0);
m_shm_info.shmseg = xcb_generate_id(xcb_connection());
xcb_generic_error_t *error = xcb_request_check(xcb_connection(), xcb_shm_attach_checked(xcb_connection(), m_shm_info.shmseg, m_shm_info.shmid, false));
if (error) {
qWarning() << "QXcbWindowSurface: Unable to attach to shared memory segment";
free(error);
}
if (shmctl(m_shm_info.shmid, IPC_RMID, 0) == -1)
qWarning() << "QXcbWindowSurface: Error while marking the shared memory segment to be destroyed";
m_qimage = QImage( (uchar*) m_xcb_image->data, m_xcb_image->width, m_xcb_image->height, m_xcb_image->stride, format);
}
void QXcbCursor::setPos(const QPoint &pos)
{
QXcbVirtualDesktop *virtualDesktop = Q_NULLPTR;
queryPointer(connection(), &virtualDesktop, 0);
xcb_warp_pointer(xcb_connection(), XCB_NONE, virtualDesktop->root(), 0, 0, 0, 0, pos.x(), pos.y());
xcb_flush(xcb_connection());
}
QXcbScreen::QXcbScreen(QXcbConnection *connection, xcb_screen_t *screen, int number)
: QXcbObject(connection)
, m_screen(screen)
, m_number(number)
{
printf ("\n");
printf ("Information of screen %d:\n", screen->root);
printf (" width.........: %d\n", screen->width_in_pixels);
printf (" height........: %d\n", screen->height_in_pixels);
printf (" depth.........: %d\n", screen->root_depth);
printf (" white pixel...: %x\n", screen->white_pixel);
printf (" black pixel...: %x\n", screen->black_pixel);
printf ("\n");
const quint32 mask = XCB_CW_EVENT_MASK;
const quint32 values[] = {
// XCB_CW_EVENT_MASK
XCB_EVENT_MASK_ENTER_WINDOW
| XCB_EVENT_MASK_LEAVE_WINDOW
| XCB_EVENT_MASK_PROPERTY_CHANGE
};
xcb_change_window_attributes(xcb_connection(), screen->root, mask, values);
xcb_generic_error_t *error;
xcb_get_property_reply_t *reply =
xcb_get_property_reply(xcb_connection(),
xcb_get_property(xcb_connection(), false, screen->root,
atom(QXcbAtom::_NET_SUPPORTING_WM_CHECK),
XCB_ATOM_WINDOW, 0, 1024), &error);
if (reply && reply->format == 32 && reply->type == XCB_ATOM_WINDOW) {
xcb_window_t windowManager = *((xcb_window_t *)xcb_get_property_value(reply));
if (windowManager != XCB_WINDOW_NONE) {
xcb_get_property_reply_t *windowManagerReply =
xcb_get_property_reply(xcb_connection(),
xcb_get_property(xcb_connection(), false, windowManager,
atom(QXcbAtom::_NET_WM_NAME),
atom(QXcbAtom::UTF8_STRING), 0, 1024), &error);
if (windowManagerReply && windowManagerReply->format == 8 && windowManagerReply->type == atom(QXcbAtom::UTF8_STRING)) {
m_windowManagerName = QString::fromUtf8((const char *)xcb_get_property_value(windowManagerReply), xcb_get_property_value_length(windowManagerReply));
printf("Running window manager: %s\n", qPrintable(m_windowManagerName));
} else if (error) {
connection->handleXcbError(error);
free(error);
}
free(windowManagerReply);
}
} else if (error) {
connection->handleXcbError(error);
free(error);
}
free(reply);
m_syncRequestSupported = m_windowManagerName != QLatin1String("KWin");
}
QXcbCursor::QXcbCursor(QXcbConnection *conn, QXcbScreen *screen)
: QXcbObject(conn), m_screen(screen), m_gtkCursorThemeInitialized(false)
{
if (cursorCount++)
return;
cursorFont = xcb_generate_id(xcb_connection());
const char *cursorStr = "cursor";
xcb_open_font(xcb_connection(), cursorFont, strlen(cursorStr), cursorStr);
#ifdef XCB_USE_XLIB
static bool function_ptrs_not_initialized = true;
if (function_ptrs_not_initialized) {
QLibrary xcursorLib(QLatin1String("Xcursor"), 1);
bool xcursorFound = xcursorLib.load();
if (!xcursorFound) { // try without the version number
xcursorLib.setFileName(QLatin1String("Xcursor"));
xcursorFound = xcursorLib.load();
}
if (xcursorFound) {
ptrXcursorLibraryLoadCursor =
(PtrXcursorLibraryLoadCursor) xcursorLib.resolve("XcursorLibraryLoadCursor");
ptrXcursorLibraryGetTheme =
(PtrXcursorLibraryGetTheme) xcursorLib.resolve("XcursorGetTheme");
ptrXcursorLibrarySetTheme =
(PtrXcursorLibrarySetTheme) xcursorLib.resolve("XcursorSetTheme");
ptrXcursorLibraryGetDefaultSize =
(PtrXcursorLibraryGetDefaultSize) xcursorLib.resolve("XcursorGetDefaultSize");
}
function_ptrs_not_initialized = false;
}
#endif
}
void QXcbShmImage::put(xcb_window_t window, const QPoint &target, const QRect &source)
{
Q_XCB_NOOP(connection());
if (m_gc_window != window) {
if (m_gc)
Q_XCB_CALL(xcb_free_gc(xcb_connection(), m_gc));
m_gc = xcb_generate_id(xcb_connection());
Q_XCB_CALL(xcb_create_gc(xcb_connection(), m_gc, window, 0, 0));
m_gc_window = window;
}
Q_XCB_NOOP(connection());
xcb_image_shm_put(xcb_connection(),
window,
m_gc,
m_xcb_image,
m_shm_info,
source.x(),
source.y(),
target.x(),
target.y(),
source.width(),
source.height(),
false);
Q_XCB_NOOP(connection());
m_dirty = m_dirty | source;
xcb_flush(xcb_connection());
Q_XCB_NOOP(connection());
}
void QXcbWindow::setVisible(bool visible)
{
xcb_wm_hints_t hints;
if (visible) {
if (widget()->isMinimized())
xcb_wm_hints_set_iconic(&hints);
else
xcb_wm_hints_set_normal(&hints);
xcb_set_wm_hints(xcb_connection(), m_window, &hints);
Q_XCB_CALL(xcb_map_window(xcb_connection(), m_window));
connection()->sync();
} else {
Q_XCB_CALL(xcb_unmap_window(xcb_connection(), m_window));
// send synthetic UnmapNotify event according to icccm 4.1.4
xcb_unmap_notify_event_t event;
event.response_type = XCB_UNMAP_NOTIFY;
event.sequence = 0; // does this matter?
event.event = m_screen->root();
event.window = m_window;
event.from_configure = false;
Q_XCB_CALL(xcb_send_event(xcb_connection(), false, m_screen->root(),
XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *)&event));
xcb_flush(xcb_connection());
}
}
QXcbWindow::~QXcbWindow()
{
delete m_context;
if (m_screen->syncRequestSupported())
Q_XCB_CALL(xcb_sync_destroy_counter(xcb_connection(), m_syncCounter));
Q_XCB_CALL(xcb_destroy_window(xcb_connection(), m_window));
}
void QXcbConnection::initializeAllAtoms() {
const char *names[QXcbAtom::NAtoms];
const char *ptr = xcb_atomnames;
int i = 0;
while (*ptr) {
names[i++] = ptr;
while (*ptr)
++ptr;
++ptr;
}
Q_ASSERT(i == QXcbAtom::NPredefinedAtoms);
QByteArray settings_atom_name("_QT_SETTINGS_TIMESTAMP_");
settings_atom_name += m_displayName;
names[i++] = settings_atom_name;
xcb_intern_atom_cookie_t cookies[QXcbAtom::NAtoms];
Q_ASSERT(i == QXcbAtom::NAtoms);
for (i = 0; i < QXcbAtom::NAtoms; ++i)
cookies[i] = xcb_intern_atom(xcb_connection(), false, strlen(names[i]), names[i]);
for (i = 0; i < QXcbAtom::NAtoms; ++i) {
xcb_intern_atom_reply_t *reply = xcb_intern_atom_reply(xcb_connection(), cookies[i], 0);
m_allAtoms[i] = reply->atom;
free(reply);
}
}
void QXcbCursor::setPos(const QPoint &pos)
{
xcb_window_t root = 0;
queryPointer(connection(), &root, 0);
xcb_warp_pointer(xcb_connection(), XCB_NONE, root, 0, 0, 0, 0, pos.x(), pos.y());
xcb_flush(xcb_connection());
}
void QXcbScreen::readXResources()
{
int offset = 0;
QByteArray resources;
while(1) {
xcb_get_property_reply_t *reply =
xcb_get_property_reply(xcb_connection(),
xcb_get_property_unchecked(xcb_connection(), false, screen()->root,
XCB_ATOM_RESOURCE_MANAGER,
XCB_ATOM_STRING, offset/4, 8192), NULL);
bool more = false;
if (reply && reply->format == 8 && reply->type == XCB_ATOM_STRING) {
resources += QByteArray((const char *)xcb_get_property_value(reply), xcb_get_property_value_length(reply));
offset += xcb_get_property_value_length(reply);
more = reply->bytes_after != 0;
}
if (reply)
free(reply);
if (!more)
break;
}
QList<QByteArray> split = resources.split('\n');
for (int i = 0; i < split.size(); ++i) {
const QByteArray &r = split.at(i);
int value;
if (xResource(r, "Xft.dpi:\t", &value))
m_forcedDpi = value;
else if (xResource(r, "Xft.hintstyle:\t", &value))
m_hintStyle = QFontEngine::HintStyle(value);
}
}
void QXcbScreen::updateGeometry(xcb_timestamp_t timestamp)
{
if (connection()->hasXRandr()) {
xcb_randr_get_crtc_info_reply_t *crtc = xcb_randr_get_crtc_info_reply(xcb_connection(),
xcb_randr_get_crtc_info_unchecked(xcb_connection(), m_crtc, timestamp), NULL);
if (crtc) {
m_geometry = QRect(crtc->x, crtc->y, crtc->width, crtc->height);
m_availableGeometry = m_geometry;
free(crtc);
}
}
xcb_get_property_reply_t * workArea =
xcb_get_property_reply(xcb_connection(),
xcb_get_property_unchecked(xcb_connection(), false, screen()->root,
atom(QXcbAtom::_NET_WORKAREA),
XCB_ATOM_CARDINAL, 0, 1024), NULL);
if (workArea && workArea->type == XCB_ATOM_CARDINAL && workArea->format == 32 && workArea->value_len >= 4) {
// If workArea->value_len > 4, the remaining ones seem to be for virtual desktops.
// But QScreen doesn't know about that concept. In reality there could be a
// "docked" panel (with _NET_WM_STRUT_PARTIAL atom set) on just one desktop.
// But for now just assume the first 4 values give us the geometry of the
// "work area", AKA "available geometry"
uint32_t *geom = (uint32_t*)xcb_get_property_value(workArea);
QRect virtualAvailableGeometry(geom[0], geom[1], geom[2], geom[3]);
// Take the intersection of the desktop's available geometry with this screen's geometry
// to get the part of the available geometry which belongs to this screen.
m_availableGeometry = m_geometry & virtualAvailableGeometry;
}
free(workArea);
}
void QXcbCursor::setPos(const QPoint &pos)
{
const int dpr = int(m_screen->devicePixelRatio());
xcb_window_t root = 0;
queryPointer(connection(), &root, 0);
xcb_warp_pointer(xcb_connection(), XCB_NONE, root, 0, 0, 0, 0, pos.x()*dpr, pos.y()*dpr);
xcb_flush(xcb_connection());
}
void QXcbCursor::setPos(const QPoint &pos)
{
const QPoint xPos = m_screen->mapToNative(pos);
xcb_window_t root = 0;
queryPointer(connection(), &root, 0);
xcb_warp_pointer(xcb_connection(), XCB_NONE, root, 0, 0, 0, 0, xPos.x(), xPos.y());
xcb_flush(xcb_connection());
}
void QXcbShmImage::destroy()
{
Q_XCB_CALL(xcb_shm_detach(xcb_connection(), m_shm_info.shmseg));
xcb_image_destroy(m_xcb_image);
shmdt(m_shm_info.shmaddr);
shmctl(m_shm_info.shmid, IPC_RMID, 0);
if (m_gc)
Q_XCB_CALL(xcb_free_gc(xcb_connection(), m_gc));
}
void QXcbWindow::updateSyncRequestCounter()
{
if (m_screen->syncRequestSupported() && (m_syncValue.lo != 0 || m_syncValue.hi != 0)) {
Q_XCB_CALL(xcb_sync_set_counter(xcb_connection(), m_syncCounter, m_syncValue));
xcb_flush(xcb_connection());
connection()->sync();
m_syncValue.lo = 0;
m_syncValue.hi = 0;
}
}
QXcbConnection::QXcbConnection(const char *displayName)
: m_displayName(displayName ? QByteArray(displayName) : qgetenv("DISPLAY"))
#ifdef XCB_USE_DRI2
, m_dri2_major(0)
, m_dri2_minor(0)
, m_dri2_support_probed(false)
, m_has_support_for_dri2(false)
#endif
{
int primaryScreen = 0;
#ifdef XCB_USE_XLIB
Display *dpy = XOpenDisplay(m_displayName.constData());
primaryScreen = DefaultScreen(dpy);
m_connection = XGetXCBConnection(dpy);
XSetEventQueueOwner(dpy, XCBOwnsEventQueue);
m_xlib_display = dpy;
#ifdef XCB_USE_EGL
EGLDisplay eglDisplay = eglGetDisplay(dpy);
m_egl_display = eglDisplay;
EGLint major, minor;
eglBindAPI(EGL_OPENGL_ES_API);
m_has_egl = eglInitialize(eglDisplay,&major,&minor);
#endif //XCB_USE_EGL
#else
m_connection = xcb_connect(m_displayName.constData(), &primaryScreen);
#endif //XCB_USE_XLIB
m_setup = xcb_get_setup(xcb_connection());
initializeAllAtoms();
xcb_screen_iterator_t it = xcb_setup_roots_iterator(m_setup);
int screenNumber = 0;
while (it.rem) {
m_screens << new QXcbScreen(this, it.data, screenNumber++);
xcb_screen_next(&it);
}
m_keyboard = new QXcbKeyboard(this);
#ifdef XCB_USE_DRI2
initializeDri2();
#endif
QSocketNotifier *notifier = new QSocketNotifier(xcb_get_file_descriptor(xcb_connection()), QSocketNotifier::Read, this);
connect(notifier, SIGNAL(activated(int)), this, SLOT(processXcbEvents()));
QAbstractEventDispatcher *dispatcher = QAbstractEventDispatcher::instance(qApp->thread());
connect(dispatcher, SIGNAL(aboutToBlock()), this, SLOT(processXcbEvents()));
sync();
}
QXcbShmImage::QXcbShmImage(QXcbScreen *screen, const QSize &size, uint depth, QImage::Format format)
: QXcbObject(screen->connection())
, m_gc(0)
, m_gc_window(0)
{
Q_XCB_NOOP(connection());
m_xcb_image = xcb_image_create_native(xcb_connection(),
size.width(),
size.height(),
XCB_IMAGE_FORMAT_Z_PIXMAP,
depth,
0,
~0,
0);
const int segmentSize = m_xcb_image->stride * m_xcb_image->height;
if (!segmentSize)
return;
int id = shmget(IPC_PRIVATE, segmentSize, IPC_CREAT | 0600);
if (id == -1)
qWarning("QXcbShmImage: shmget() failed (%d) for size %d (%dx%d)",
errno, segmentSize, size.width(), size.height());
else
m_shm_info.shmid = id;
m_shm_info.shmaddr = m_xcb_image->data = (quint8 *)shmat (m_shm_info.shmid, 0, 0);
m_shm_info.shmseg = xcb_generate_id(xcb_connection());
const xcb_query_extension_reply_t *shm_reply = xcb_get_extension_data(xcb_connection(), &xcb_shm_id);
bool shm_present = shm_reply != NULL && shm_reply->present;
xcb_generic_error_t *error = NULL;
if (shm_present)
error = xcb_request_check(xcb_connection(), xcb_shm_attach_checked(xcb_connection(), m_shm_info.shmseg, m_shm_info.shmid, false));
if (!shm_present || error) {
free(error);
shmdt(m_shm_info.shmaddr);
shmctl(m_shm_info.shmid, IPC_RMID, 0);
m_shm_info.shmaddr = 0;
m_xcb_image->data = (uint8_t *)malloc(segmentSize);
} else {
if (shmctl(m_shm_info.shmid, IPC_RMID, 0) == -1)
qWarning() << "QXcbBackingStore: Error while marking the shared memory segment to be destroyed";
}
m_qimage = QImage( (uchar*) m_xcb_image->data, m_xcb_image->width, m_xcb_image->height, m_xcb_image->stride, format);
}
void QXcbWindowSurface::flush(QWidget *widget, const QRegion ®ion, const QPoint &offset)
{
QRect bounds = region.boundingRect();
if (size().isEmpty() || !geometry().contains(bounds))
return;
Q_XCB_NOOP(connection());
QXcbWindow *window = static_cast<QXcbWindow *>(widget->window()->platformWindow());
extern QWidgetData* qt_widget_data(QWidget *);
QPoint widgetOffset = qt_qwidget_data(widget)->wrect.topLeft();
QVector<QRect> rects = region.rects();
for (int i = 0; i < rects.size(); ++i)
m_image->put(window->window(), rects.at(i).topLeft() - widgetOffset, rects.at(i).translated(offset));
Q_XCB_NOOP(connection());
if (m_syncingResize) {
xcb_flush(xcb_connection());
connection()->sync();
m_syncingResize = false;
window->updateSyncRequestCounter();
}
}
void QXcbWindow::setNetWmWindowTypes(Qt::WindowFlags flags)
{
// in order of decreasing priority
QVector<uint> windowTypes;
Qt::WindowType type = static_cast<Qt::WindowType>(int(flags & Qt::WindowType_Mask));
switch (type) {
case Qt::Dialog:
case Qt::Sheet:
windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_DIALOG));
break;
case Qt::Tool:
case Qt::Drawer:
windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_UTILITY));
break;
case Qt::ToolTip:
windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_TOOLTIP));
break;
case Qt::SplashScreen:
windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_SPLASH));
break;
default:
break;
}
if (flags & Qt::FramelessWindowHint)
windowTypes.append(atom(QXcbAtom::_KDE_NET_WM_WINDOW_TYPE_OVERRIDE));
windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_NORMAL));
Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
atom(QXcbAtom::_NET_WM_WINDOW_TYPE), XCB_ATOM_ATOM, 32,
windowTypes.count(), windowTypes.constData()));
}
void QXcbBackingStore::flush(QWindow *window, const QRegion ®ion, const QPoint &offset)
{
if (!m_image || m_image->size().isEmpty())
return;
QSize imageSize = m_image->size();
QRegion clipped = region;
clipped &= QRect(0, 0, window->width(), window->height());
clipped &= QRect(0, 0, imageSize.width(), imageSize.height()).translated(-offset);
QRect bounds = clipped.boundingRect();
if (bounds.isNull())
return;
Q_XCB_NOOP(connection());
QXcbWindow *platformWindow = static_cast<QXcbWindow *>(window->handle());
QVector<QRect> rects = clipped.rects();
for (int i = 0; i < rects.size(); ++i)
m_image->put(platformWindow->xcb_window(), rects.at(i).topLeft(), rects.at(i).translated(offset));
Q_XCB_NOOP(connection());
if (m_syncingResize) {
xcb_flush(xcb_connection());
connection()->sync();
m_syncingResize = false;
platformWindow->updateSyncRequestCounter();
}
}
void QXcbWindow::setGeometry(const QRect &rect)
{
QPlatformWindow::setGeometry(rect);
const quint32 mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT;
const quint32 values[] = { rect.x(), rect.y(), rect.width(), rect.height() };
Q_XCB_CALL(xcb_configure_window(xcb_connection(), m_window, mask, values));
}
QByteArray QXcbConnection::atomName(xcb_atom_t atom)
{
if (!atom)
return QByteArray();
xcb_generic_error_t *error = 0;
xcb_get_atom_name_cookie_t cookie = Q_XCB_CALL(xcb_get_atom_name(xcb_connection(), atom));
xcb_get_atom_name_reply_t *reply = xcb_get_atom_name_reply(xcb_connection(), cookie, &error);
if (error) {
qWarning() << "QXcbConnection::atomName: bad Atom" << atom;
free(error);
}
if (reply) {
QByteArray result(xcb_get_atom_name_name(reply), xcb_get_atom_name_name_length(reply));
free(reply);
return result;
}
return QByteArray();
}
void QXcbShmImage::destroy()
{
const int segmentSize = m_xcb_image ? (m_xcb_image->stride * m_xcb_image->height) : 0;
if (segmentSize && m_shm_info.shmaddr)
Q_XCB_CALL(xcb_shm_detach(xcb_connection(), m_shm_info.shmseg));
xcb_image_destroy(m_xcb_image);
if (segmentSize) {
if (m_shm_info.shmaddr) {
shmdt(m_shm_info.shmaddr);
shmctl(m_shm_info.shmid, IPC_RMID, 0);
} else {
free(m_xcb_image->data);
}
}
if (m_gc)
Q_XCB_CALL(xcb_free_gc(xcb_connection(), m_gc));
}
void QXcbWindow::setWindowTitle(const QString &title)
{
QByteArray ba = title.toUtf8();
Q_XCB_CALL(xcb_change_property(xcb_connection(),
XCB_PROP_MODE_REPLACE,
m_window,
atom(QXcbAtom::_NET_WM_NAME),
atom(QXcbAtom::UTF8_STRING),
8,
ba.length(),
ba.constData()));
}
QXcbConnection::~QXcbConnection()
{
qDeleteAll(m_screens);
#ifdef XCB_USE_XLIB
XCloseDisplay((Display *)m_xlib_display);
#else
xcb_disconnect(xcb_connection());
#endif
delete m_keyboard;
}
void QXcbDrag::handleEnter(QWindow *window, const xcb_client_message_event_t *event)
{
Q_UNUSED(window);
DEBUG() << "handleEnter" << window;
xdnd_types.clear();
int version = (int)(event->data.data32[1] >> 24);
if (version > xdnd_version)
return;
xdnd_dragsource = event->data.data32[0];
if (event->data.data32[1] & 1) {
// get the types from XdndTypeList
xcb_get_property_cookie_t cookie = xcb_get_property(xcb_connection(), false, xdnd_dragsource,
atom(QXcbAtom::XdndTypelist), XCB_ATOM_ATOM,
0, xdnd_max_type);
xcb_get_property_reply_t *reply = xcb_get_property_reply(xcb_connection(), cookie, 0);
if (reply && reply->type != XCB_NONE && reply->format == 32) {
int length = xcb_get_property_value_length(reply) / 4;
if (length > xdnd_max_type)
length = xdnd_max_type;
xcb_atom_t *atoms = (xcb_atom_t *)xcb_get_property_value(reply);
for (int i = 0; i < length; ++i)
xdnd_types.append(atoms[i]);
}
free(reply);
} else {
// get the types from the message
for(int i = 2; i < 5; i++) {
if (event->data.data32[i])
xdnd_types.append(event->data.data32[i]);
}
}
for(int i = 0; i < xdnd_types.length(); ++i)
DEBUG() << " " << connection()->atomName(xdnd_types.at(i));
}
void QXcbDrag::drop(const QMouseEvent *event)
{
QBasicDrag::drop(event);
if (!current_target)
return;
xcb_client_message_event_t drop;
drop.response_type = XCB_CLIENT_MESSAGE;
drop.window = current_target;
drop.format = 32;
drop.type = atom(QXcbAtom::XdndDrop);
drop.data.data32[0] = connection()->clipboard()->owner();
drop.data.data32[1] = 0; // flags
drop.data.data32[2] = connection()->time();
drop.data.data32[3] = 0;
drop.data.data32[4] = currentDrag()->supportedActions();
QXcbWindow *w = connection()->platformWindowFromId(current_proxy_target);
if (w && (w->window()->type() == Qt::Desktop) /*&& !w->acceptDrops()*/)
w = 0;
Transaction t = {
connection()->time(),
current_target,
current_proxy_target,
(w ? w->window() : 0),
// current_embeddig_widget,
currentDrag(),
QTime::currentTime()
};
transactions.append(t);
// timer is needed only for drops that came from other processes.
if (!t.targetWindow && cleanup_timer == -1) {
cleanup_timer = startTimer(XdndDropTransactionTimeout);
}
if (w) {
handleDrop(w->window(), &drop);
} else {
xcb_send_event(xcb_connection(), false, current_proxy_target, XCB_EVENT_MASK_NO_EVENT, (const char *)&drop);
}
current_target = 0;
current_proxy_target = 0;
source_time = 0;
// current_embedding_widget = 0;
}
QWindow *QXcbScreen::topLevelAt(const QPoint &p) const
{
xcb_window_t root = m_screen->root;
int x = p.x();
int y = p.y();
xcb_window_t parent = root;
xcb_window_t child = root;
do {
xcb_translate_coordinates_cookie_t translate_cookie =
xcb_translate_coordinates_unchecked(xcb_connection(), parent, child, x, y);
xcb_translate_coordinates_reply_t *translate_reply =
xcb_translate_coordinates_reply(xcb_connection(), translate_cookie, NULL);
if (!translate_reply) {
return 0;
}
parent = child;
child = translate_reply->child;
x = translate_reply->dst_x;
y = translate_reply->dst_y;
free(translate_reply);
if (!child || child == root)
return 0;
QPlatformWindow *platformWindow = connection()->platformWindowFromId(child);
if (platformWindow)
return platformWindow->window();
} while (parent != child);
return 0;
}
void QXcbDrag::startDrag()
{
// #fixme enableEventFilter();
init();
xcb_set_selection_owner(xcb_connection(), connection()->clipboard()->owner(),
atom(QXcbAtom::XdndSelection), connection()->time());
QStringList fmts = QXcbMime::formatsHelper(drag()->mimeData());
for (int i = 0; i < fmts.size(); ++i) {
QVector<xcb_atom_t> atoms = QXcbMime::mimeAtomsForFormat(connection(), fmts.at(i));
for (int j = 0; j < atoms.size(); ++j) {
if (!drag_types.contains(atoms.at(j)))
drag_types.append(atoms.at(j));
}
}
if (drag_types.size() > 3)
xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, connection()->clipboard()->owner(),
atom(QXcbAtom::XdndTypelist),
XCB_ATOM_ATOM, 32, drag_types.size(), (const void *)drag_types.constData());
QBasicDrag::startDrag();
}
QXcbCursor::~QXcbCursor()
{
xcb_connection_t *conn = xcb_connection();
if (m_gtkCursorThemeInitialized) {
m_screen->xSettings()->removeCallbackForHandle(this);
}
if (!--cursorCount)
xcb_close_font(conn, cursorFont);
foreach (xcb_cursor_t cursor, m_cursorHash)
xcb_free_cursor(conn, cursor);
}
