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 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 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::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 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));
}
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;
}
}
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()));
}
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 QXcbDrag::move(const QMouseEvent *me)
{
// The mouse event is in the coordinate system of the window that started the drag.
// We do not know which window that was at this point, so we just use the device pixel ratio
// of the QGuiApplication. This will break once we support screens with different DPR. Fixing
// this properly requires some redesign of the drag and drop architecture.
static const int dpr = int(qApp->devicePixelRatio());
QBasicDrag::move(me);
QPoint globalPos = me->globalPos();
if (source_sameanswer.contains(globalPos) && source_sameanswer.isValid())
return;
const QList<QXcbScreen *> &screens = connection()->screens();
QXcbScreen *screen = connection()->primaryScreen();
for (int i = 0; i < screens.size(); ++i) {
if (screens.at(i)->geometry().contains(globalPos)) {
screen = screens.at(i);
break;
}
}
if (screen != current_screen) {
// ### need to recreate the shaped pixmap window?
// int screen = QCursor::x11Screen();
// if ((qt_xdnd_current_screen == -1 && screen != X11->defaultScreen) || (screen != qt_xdnd_current_screen)) {
// // recreate the pixmap on the new screen...
// delete xdnd_data.deco;
// QWidget* parent = object->source()->window()->x11Info().screen() == screen
// ? object->source()->window() : QApplication::desktop()->screen(screen);
// xdnd_data.deco = new QShapedPixmapWidget(parent);
// if (!QWidget::mouseGrabber()) {
// updatePixmap();
// xdnd_data.deco->grabMouse();
// }
// }
// xdnd_data.deco->move(QCursor::pos() - xdnd_data.deco->pm_hot);
current_screen = screen;
}
// qt_xdnd_current_screen = screen;
xcb_window_t rootwin = current_screen->root();
xcb_translate_coordinates_reply_t *translate =
::translateCoordinates(connection(), rootwin, rootwin, globalPos.x() * dpr, globalPos.y() * dpr);
if (!translate)
return;
xcb_window_t target = translate->child;
int lx = translate->dst_x;
int ly = translate->dst_y;
free (translate);
if (target && target != rootwin) {
xcb_window_t src = rootwin;
while (target != 0) {
DNDDEBUG << "checking target for XdndAware" << target << lx << ly;
// translate coordinates
translate = ::translateCoordinates(connection(), src, target, lx, ly);
if (!translate) {
target = 0;
break;
}
lx = translate->dst_x;
ly = translate->dst_y;
src = target;
xcb_window_t child = translate->child;
free(translate);
// check if it has XdndAware
xcb_get_property_cookie_t cookie = Q_XCB_CALL(xcb_get_property(xcb_connection(), false, target,
atom(QXcbAtom::XdndAware), XCB_GET_PROPERTY_TYPE_ANY, 0, 0));
xcb_get_property_reply_t *reply = xcb_get_property_reply(xcb_connection(), cookie, 0);
bool aware = reply && reply->type != XCB_NONE;
free(reply);
if (aware) {
DNDDEBUG << "Found XdndAware on " << target;
break;
}
target = child;
}
if (!target || target == shapedPixmapWindow()->handle()->winId()) {
DNDDEBUG << "need to find real window";
target = findRealWindow(globalPos, rootwin, 6, true);
if (target == 0)
target = findRealWindow(globalPos, rootwin, 6, false);
DNDDEBUG << "real window found" << target;
}
}
QXcbWindow *w = 0;
if (target) {
w = connection()->platformWindowFromId(target);
if (w && (w->window()->type() == Qt::Desktop) /*&& !w->acceptDrops()*/)
w = 0;
} else {
w = 0;
target = rootwin;
}
xcb_window_t proxy_target = xdndProxy(connection(), target);
if (!proxy_target)
proxy_target = target;
int target_version = 1;
if (proxy_target) {
xcb_get_property_cookie_t cookie = xcb_get_property(xcb_connection(), false, proxy_target,
atom(QXcbAtom::XdndAware), XCB_GET_PROPERTY_TYPE_ANY, 0, 1);
xcb_get_property_reply_t *reply = xcb_get_property_reply(xcb_connection(), cookie, 0);
if (!reply || reply->type == XCB_NONE)
target = 0;
target_version = *(uint32_t *)xcb_get_property_value(reply);
target_version = qMin(xdnd_version, target_version ? target_version : 1);
free(reply);
}
if (target != current_target) {
if (current_target)
send_leave();
current_target = target;
current_proxy_target = proxy_target;
if (target) {
int flags = target_version << 24;
if (drag_types.size() > 3)
flags |= 0x0001;
xcb_client_message_event_t enter;
enter.response_type = XCB_CLIENT_MESSAGE;
enter.window = target;
enter.format = 32;
enter.type = atom(QXcbAtom::XdndEnter);
enter.data.data32[0] = connection()->clipboard()->owner();
enter.data.data32[1] = flags;
enter.data.data32[2] = drag_types.size()>0 ? drag_types.at(0) : 0;
enter.data.data32[3] = drag_types.size()>1 ? drag_types.at(1) : 0;
enter.data.data32[4] = drag_types.size()>2 ? drag_types.at(2) : 0;
// provisionally set the rectangle to 5x5 pixels...
source_sameanswer = QRect(globalPos.x() - 2, globalPos.y() -2 , 5, 5);
DEBUG() << "sending Xdnd enter source=" << enter.data.data32[0];
if (w)
handleEnter(w->window(), &enter);
else if (target)
xcb_send_event(xcb_connection(), false, proxy_target, XCB_EVENT_MASK_NO_EVENT, (const char *)&enter);
waiting_for_status = false;
}
}
if (waiting_for_status)
return;
if (target) {
waiting_for_status = true;
xcb_client_message_event_t move;
move.response_type = XCB_CLIENT_MESSAGE;
move.window = target;
move.format = 32;
move.type = atom(QXcbAtom::XdndPosition);
move.data.data32[0] = connection()->clipboard()->owner();
move.data.data32[1] = 0; // flags
move.data.data32[2] = (globalPos.x() * dpr << 16) + globalPos.y() * dpr;
move.data.data32[3] = connection()->time();
move.data.data32[4] = toXdndAction(defaultAction(currentDrag()->supportedActions(), QGuiApplication::keyboardModifiers()));
DEBUG() << "sending Xdnd position source=" << move.data.data32[0] << "target=" << move.window;
source_time = connection()->time();
if (w)
handle_xdnd_position(w->window(), &move);
else
xcb_send_event(xcb_connection(), false, proxy_target, XCB_EVENT_MASK_NO_EVENT, (const char *)&move);
}
}
xcb_window_t QXcbDrag::findRealWindow(const QPoint & pos, xcb_window_t w, int md, bool ignoreNonXdndAwareWindows)
{
if (w == shapedPixmapWindow()->handle()->winId())
return 0;
if (md) {
xcb_get_window_attributes_cookie_t cookie = xcb_get_window_attributes(xcb_connection(), w);
xcb_get_window_attributes_reply_t *reply = xcb_get_window_attributes_reply(xcb_connection(), cookie, 0);
if (!reply)
return 0;
if (reply->map_state != XCB_MAP_STATE_VIEWABLE)
return 0;
free(reply);
xcb_get_geometry_cookie_t gcookie = xcb_get_geometry(xcb_connection(), w);
xcb_get_geometry_reply_t *greply = xcb_get_geometry_reply(xcb_connection(), gcookie, 0);
if (!greply)
return 0;
QRect windowRect(greply->x, greply->y, greply->width, greply->height);
free(greply);
if (windowRect.contains(pos)) {
bool windowContainsMouse = !ignoreNonXdndAwareWindows;
{
xcb_get_property_cookie_t cookie =
Q_XCB_CALL(xcb_get_property(xcb_connection(), false, w, connection()->atom(QXcbAtom::XdndAware),
XCB_GET_PROPERTY_TYPE_ANY, 0, 0));
xcb_get_property_reply_t *reply = xcb_get_property_reply(xcb_connection(), cookie, 0);
bool isAware = reply && reply->type != XCB_NONE;
free(reply);
if (isAware) {
const QPoint relPos = pos - windowRect.topLeft();
// When ShapeInput and ShapeBounding are not set they return a single rectangle with the geometry of the window, this is why we
// need to check both here so that in the case one is set and the other is not we still get the correct result.
if (connection()->hasInputShape())
windowContainsMouse = windowInteractsWithPosition(xcb_connection(), relPos, w, XCB_SHAPE_SK_INPUT);
if (windowContainsMouse && connection()->hasXShape())
windowContainsMouse = windowInteractsWithPosition(xcb_connection(), relPos, w, XCB_SHAPE_SK_BOUNDING);
if (!connection()->hasInputShape() && !connection()->hasXShape())
windowContainsMouse = true;
if (windowContainsMouse)
return w;
}
}
xcb_query_tree_cookie_t cookie = xcb_query_tree (xcb_connection(), w);
xcb_query_tree_reply_t *reply = xcb_query_tree_reply(xcb_connection(), cookie, 0);
if (!reply)
return 0;
int nc = xcb_query_tree_children_length(reply);
xcb_window_t *c = xcb_query_tree_children(reply);
xcb_window_t r = 0;
for (uint i = nc; !r && i--;)
r = findRealWindow(pos - windowRect.topLeft(), c[i], md-1, ignoreNonXdndAwareWindows);
free(reply);
if (r)
return r;
// We didn't find a client window! Just use the
// innermost window.
// No children!
if (!windowContainsMouse)
return 0;
else
return w;
}
}
return 0;
}
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());
if (m_shm_info.shmaddr) {
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);
} else {
// If we upload the whole image in a single chunk, the result might be
// larger than the server's maximum request size and stuff breaks.
// To work around that, we upload the image in chunks where each chunk
// is small enough for a single request.
int src_x = source.x();
int src_y = source.y();
int target_x = target.x();
int target_y = target.y();
int width = source.width();
int height = source.height();
// We must make sure that each request is not larger than max_req_size.
// Each request takes req_size + m_xcb_image->stride * height bytes.
uint32_t max_req_size = xcb_get_maximum_request_length(xcb_connection());
uint32_t req_size = sizeof(xcb_put_image_request_t);
int rows_per_put = (max_req_size - req_size) / m_xcb_image->stride;
// This assert could trigger if a single row has more pixels than fit in
// a single PutImage request. However, max_req_size is guaranteed to be
// at least 16384 bytes. That should be enough for quite large images.
Q_ASSERT(rows_per_put > 0);
while (height > 0) {
int rows = std::min(height, rows_per_put);
xcb_image_t *subimage = xcb_image_subimage(m_xcb_image, src_x, src_y, width, rows,
0, 0, 0);
xcb_image_put(xcb_connection(),
window,
m_gc,
subimage,
target_x,
target_y,
0);
xcb_image_destroy(subimage);
src_y += rows;
target_y += rows;
height -= rows;
}
}
Q_XCB_NOOP(connection());
m_dirty = m_dirty | source;
xcb_flush(xcb_connection());
Q_XCB_NOOP(connection());
}
Qt::WindowFlags QXcbWindow::setWindowFlags(Qt::WindowFlags flags)
{
Qt::WindowType type = static_cast<Qt::WindowType>(int(flags & Qt::WindowType_Mask));
setNetWmWindowTypes(flags);
if (type == Qt::ToolTip)
flags |= Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint | Qt::X11BypassWindowManagerHint;
if (type == Qt::Popup)
flags |= Qt::X11BypassWindowManagerHint;
bool topLevel = (flags & Qt::Window);
bool popup = (type == Qt::Popup);
bool dialog = (type == Qt::Dialog
|| type == Qt::Sheet);
bool desktop = (type == Qt::Desktop);
bool tool = (type == Qt::Tool || type == Qt::SplashScreen
|| type == Qt::ToolTip || type == Qt::Drawer);
Q_UNUSED(topLevel);
Q_UNUSED(dialog);
Q_UNUSED(desktop);
Q_UNUSED(tool);
bool tooltip = (type == Qt::ToolTip);
QtMWMHints mwmhints;
mwmhints.flags = 0L;
mwmhints.functions = 0L;
mwmhints.decorations = 0;
mwmhints.input_mode = 0L;
mwmhints.status = 0L;
if (type != Qt::SplashScreen) {
mwmhints.flags |= MWM_HINTS_DECORATIONS;
bool customize = flags & Qt::CustomizeWindowHint;
if (!(flags & Qt::FramelessWindowHint) && !(customize && !(flags & Qt::WindowTitleHint))) {
mwmhints.decorations |= MWM_DECOR_BORDER;
mwmhints.decorations |= MWM_DECOR_RESIZEH;
if (flags & Qt::WindowTitleHint)
mwmhints.decorations |= MWM_DECOR_TITLE;
if (flags & Qt::WindowSystemMenuHint)
mwmhints.decorations |= MWM_DECOR_MENU;
if (flags & Qt::WindowMinimizeButtonHint) {
mwmhints.decorations |= MWM_DECOR_MINIMIZE;
mwmhints.functions |= MWM_FUNC_MINIMIZE;
}
if (flags & Qt::WindowMaximizeButtonHint) {
mwmhints.decorations |= MWM_DECOR_MAXIMIZE;
mwmhints.functions |= MWM_FUNC_MAXIMIZE;
}
if (flags & Qt::WindowCloseButtonHint)
mwmhints.functions |= MWM_FUNC_CLOSE;
}
} else {
// if type == Qt::SplashScreen
mwmhints.decorations = MWM_DECOR_ALL;
}
if (mwmhints.functions != 0) {
mwmhints.flags |= MWM_HINTS_FUNCTIONS;
mwmhints.functions |= MWM_FUNC_MOVE | MWM_FUNC_RESIZE;
} else {
mwmhints.functions = MWM_FUNC_ALL;
}
if (!(flags & Qt::FramelessWindowHint)
&& flags & Qt::CustomizeWindowHint
&& flags & Qt::WindowTitleHint
&& !(flags &
(Qt::WindowMinimizeButtonHint
| Qt::WindowMaximizeButtonHint
| Qt::WindowCloseButtonHint)))
{
// a special case - only the titlebar without any button
mwmhints.flags = MWM_HINTS_FUNCTIONS;
mwmhints.functions = MWM_FUNC_MOVE | MWM_FUNC_RESIZE;
mwmhints.decorations = 0;
}
if (mwmhints.flags != 0l) {
Q_XCB_CALL(xcb_change_property(xcb_connection(),
XCB_PROP_MODE_REPLACE,
m_window,
atom(QXcbAtom::_MOTIF_WM_HINTS),
atom(QXcbAtom::_MOTIF_WM_HINTS),
32,
5,
&mwmhints));
} else {
Q_XCB_CALL(xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_MOTIF_WM_HINTS)));
}
if (popup || tooltip) {
const quint32 mask = XCB_CW_OVERRIDE_REDIRECT | XCB_CW_SAVE_UNDER;
const quint32 values[] = { true, true };
Q_XCB_CALL(xcb_change_window_attributes(xcb_connection(), m_window, mask, values));
}
return QPlatformWindow::setWindowFlags(flags);
}
QXcbWindow::QXcbWindow(QWidget *tlw)
: QPlatformWindow(tlw)
, m_context(0)
{
m_screen = static_cast<QXcbScreen *>(QPlatformScreen::platformScreenForWidget(tlw));
setConnection(m_screen->connection());
const quint32 mask = XCB_CW_BACK_PIXMAP | XCB_CW_EVENT_MASK;
const quint32 values[] = {
// XCB_CW_BACK_PIXMAP
XCB_NONE,
// XCB_CW_EVENT_MASK
XCB_EVENT_MASK_EXPOSURE
| XCB_EVENT_MASK_STRUCTURE_NOTIFY
| XCB_EVENT_MASK_KEY_PRESS
| XCB_EVENT_MASK_KEY_RELEASE
| XCB_EVENT_MASK_BUTTON_PRESS
| XCB_EVENT_MASK_BUTTON_RELEASE
| XCB_EVENT_MASK_BUTTON_MOTION
| XCB_EVENT_MASK_ENTER_WINDOW
| XCB_EVENT_MASK_LEAVE_WINDOW
| XCB_EVENT_MASK_PROPERTY_CHANGE
| XCB_EVENT_MASK_FOCUS_CHANGE
};
#if defined(XCB_USE_GLX) || defined(XCB_USE_EGL)
if (tlw->platformWindowFormat().windowApi() == QPlatformWindowFormat::OpenGL
&& QApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::OpenGL)
|| tlw->platformWindowFormat().alpha())
{
#if defined(XCB_USE_GLX)
XVisualInfo *visualInfo = qglx_findVisualInfo(DISPLAY_FROM_XCB(m_screen),m_screen->screenNumber(), tlw->platformWindowFormat());
#elif defined(XCB_USE_EGL)
EGLDisplay eglDisplay = connection()->egl_display();
EGLConfig eglConfig = q_configFromQPlatformWindowFormat(eglDisplay,tlw->platformWindowFormat(),true);
VisualID id = QXlibEglIntegration::getCompatibleVisualId(DISPLAY_FROM_XCB(this), eglDisplay, eglConfig);
XVisualInfo visualInfoTemplate;
memset(&visualInfoTemplate, 0, sizeof(XVisualInfo));
visualInfoTemplate.visualid = id;
XVisualInfo *visualInfo;
int matchingCount = 0;
visualInfo = XGetVisualInfo(DISPLAY_FROM_XCB(this), VisualIDMask, &visualInfoTemplate, &matchingCount);
#endif //XCB_USE_GLX
if (visualInfo) {
m_depth = visualInfo->depth;
m_format = (m_depth == 32) ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32;
Colormap cmap = XCreateColormap(DISPLAY_FROM_XCB(this), m_screen->root(), visualInfo->visual, AllocNone);
XSetWindowAttributes a;
a.background_pixel = WhitePixel(DISPLAY_FROM_XCB(this), m_screen->screenNumber());
a.border_pixel = BlackPixel(DISPLAY_FROM_XCB(this), m_screen->screenNumber());
a.colormap = cmap;
m_window = XCreateWindow(DISPLAY_FROM_XCB(this), m_screen->root(), tlw->x(), tlw->y(), tlw->width(), tlw->height(),
0, visualInfo->depth, InputOutput, visualInfo->visual,
CWBackPixel|CWBorderPixel|CWColormap, &a);
printf("created GL window: %d\n", m_window);
} else {
qFatal("no window!");
}
} else
#endif //defined(XCB_USE_GLX) || defined(XCB_USE_EGL)
{
m_window = xcb_generate_id(xcb_connection());
m_depth = m_screen->screen()->root_depth;
m_format = (m_depth == 32) ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32;
Q_XCB_CALL(xcb_create_window(xcb_connection(),
XCB_COPY_FROM_PARENT, // depth -- same as root
m_window, // window id
m_screen->root(), // parent window id
tlw->x(),
tlw->y(),
tlw->width(),
tlw->height(),
0, // border width
XCB_WINDOW_CLASS_INPUT_OUTPUT, // window class
m_screen->screen()->root_visual, // visual
0, // value mask
0)); // value list
printf("created regular window: %d\n", m_window);
}
Q_XCB_CALL(xcb_change_window_attributes(xcb_connection(), m_window, mask, values));
xcb_atom_t properties[4];
int propertyCount = 0;
properties[propertyCount++] = atom(QXcbAtom::WM_DELETE_WINDOW);
properties[propertyCount++] = atom(QXcbAtom::WM_TAKE_FOCUS);
properties[propertyCount++] = atom(QXcbAtom::_NET_WM_PING);
if (m_screen->syncRequestSupported())
properties[propertyCount++] = atom(QXcbAtom::_NET_WM_SYNC_REQUEST);
if (tlw->windowFlags() & Qt::WindowContextHelpButtonHint)
properties[propertyCount++] = atom(QXcbAtom::_NET_WM_CONTEXT_HELP);
Q_XCB_CALL(xcb_change_property(xcb_connection(),
XCB_PROP_MODE_REPLACE,
m_window,
atom(QXcbAtom::WM_PROTOCOLS),
XCB_ATOM_ATOM,
32,
propertyCount,
properties));
m_syncValue.hi = 0;
m_syncValue.lo = 0;
if (m_screen->syncRequestSupported()) {
m_syncCounter = xcb_generate_id(xcb_connection());
Q_XCB_CALL(xcb_sync_create_counter(xcb_connection(), m_syncCounter, m_syncValue));
Q_XCB_CALL(xcb_change_property(xcb_connection(),
XCB_PROP_MODE_REPLACE,
m_window,
atom(QXcbAtom::_NET_WM_SYNC_REQUEST_COUNTER),
XCB_ATOM_CARDINAL,
32,
1,
&m_syncCounter));
}
if (isTransient(tlw) && tlw->parentWidget()) {
// ICCCM 4.1.2.6
QWidget *p = tlw->parentWidget()->window();
xcb_window_t parentWindow = p->winId();
Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
XCB_ATOM_WM_TRANSIENT_FOR, XCB_ATOM_WINDOW, 32,
1, &parentWindow));
}
// set the PID to let the WM kill the application if unresponsive
long pid = getpid();
Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
atom(QXcbAtom::_NET_WM_PID), XCB_ATOM_CARDINAL, 32,
1, &pid));
}
void QXcbWindow::setParent(const QPlatformWindow *parent)
{
QPoint topLeft = geometry().topLeft();
Q_XCB_CALL(xcb_reparent_window(xcb_connection(), window(), static_cast<const QXcbWindow *>(parent)->window(), topLeft.x(), topLeft.y()));
}
void QXcbWindow::requestActivateWindow()
{
Q_XCB_CALL(xcb_set_input_focus(xcb_connection(), XCB_INPUT_FOCUS_PARENT, m_window, XCB_TIME_CURRENT_TIME));
connection()->sync();
}
void QXcbWindow::lower()
{
const quint32 mask = XCB_CONFIG_WINDOW_STACK_MODE;
const quint32 values[] = { XCB_STACK_MODE_BELOW };
Q_XCB_CALL(xcb_configure_window(xcb_connection(), m_window, mask, values));
}
void QXcbConnection::sync()
{
// from xcb_aux_sync
xcb_get_input_focus_cookie_t cookie = Q_XCB_CALL(xcb_get_input_focus(xcb_connection()));
free(xcb_get_input_focus_reply(xcb_connection(), cookie, 0));
}
