static xcb_translate_coordinates_reply_t *
translateCoordinates(QXcbConnection *c, xcb_window_t from, xcb_window_t to, int x, int y)
{
xcb_translate_coordinates_cookie_t cookie =
xcb_translate_coordinates(c->xcb_connection(), from, to, x, y);
return xcb_translate_coordinates_reply(c->xcb_connection(), cookie, 0);
}
void
Window::translate_coords(xcb_window_t target, int32_t& x, int32_t& y)
{
xcb_translate_coordinates_cookie_t c = xcb_translate_coordinates(conn->xcb(), window, target, x, y);
xcb_generic_error_t* error;
xcb_translate_coordinates_reply_t* reply = xcb_translate_coordinates_reply(conn->xcb(), c, &error);
throw_if_error(error);
x = reply->dst_x;
y = reply->dst_y;
free(reply);
}
/**
* Converts a Weston compositor x,y coordinate into a global screen coordinate.
* When Weston is using the x11 backend, the x,y coordinate is mapped to the X
* display output (needed to correctly map a uinput pointer to weston).
**/
static void toScreen(int32_t *x, int32_t *y)
{
struct weston_output *output(Globals::output());
toDevice(x, y);
std::string make(output->make);
if (make == "xwayland" or make == "weston-X11") {
#if defined(HAVE_X11_SUPPORT)
struct x11_compositor *x11_compositor = (struct x11_compositor*)Globals::compositor();
struct x11_output *x11_output = (struct x11_output*) output;
xcb_get_geometry_reply_t *geom = xcb_get_geometry_reply(
x11_compositor->conn,
xcb_get_geometry(
x11_compositor->conn,
x11_output->window
),
NULL
);
xcb_translate_coordinates_reply_t *trans = xcb_translate_coordinates_reply(
x11_compositor->conn,
xcb_translate_coordinates(
x11_compositor->conn,
x11_output->window,
geom->root,
-(geom->border_width),
-(geom->border_width)
),
NULL
);
*x += (int16_t)trans->dst_x;
*y += (int16_t)trans->dst_y;
delete trans;
delete geom;
#else
exit(EXIT_FAILURE);
#endif
}
}
// === WindowGeometry() ===
QRect LXCB::WindowGeometry(WId win, bool includeFrame){
if(DEBUG){ qDebug() << "XCB: WindowGeometry()"; }
QRect geom;
if(win==0){ return geom; }
xcb_get_geometry_cookie_t cookie = xcb_get_geometry(QX11Info::connection(), win);
xcb_get_geometry_reply_t *reply = xcb_get_geometry_reply(QX11Info::connection(), cookie, NULL);
//qDebug() << "Get Window Geometry:" << reply;
if(reply != 0){
geom = QRect(0, 0, reply->width, reply->height); //make sure to use the origin point for the window
//qDebug() << " - "<<reply->x << reply->y << reply->width << reply->height;
free(reply);
if(includeFrame){
//Need to add/include the frame extents as well (assuming the frame info is available)
xcb_get_property_cookie_t cookie = xcb_ewmh_get_frame_extents_unchecked(&EWMH, win);
if(cookie.sequence != 0){
xcb_ewmh_get_extents_reply_t frame;
if(1== xcb_ewmh_get_frame_extents_reply(&EWMH, cookie, &frame, NULL) ){
//adjust the origin point to account for the frame
geom.translate(-frame.left, -frame.top); //move to the orign point for the frame
//adjust the size (include the frame sizes)
geom.setWidth( geom.width() + frame.left + frame.right );
geom.setHeight( geom.height() + frame.top + frame.bottom );
}
//qDebug() << " - Frame:" << frame.left << frame.right << frame.top << frame.bottom;
//qDebug() << " - Modified with Frame:" << geom.x() << geom.y() << geom.width() << geom.height();
}
}
//Now need to convert this to absolute coordinates (not parent-relavitve)
xcb_translate_coordinates_cookie_t tcookie = xcb_translate_coordinates(QX11Info::connection(), win, QX11Info::appRootWindow(), geom.x(), geom.y());
xcb_translate_coordinates_reply_t *trans = xcb_translate_coordinates_reply(QX11Info::connection(), tcookie, NULL);
if(trans!=0){
//qDebug() << " - Got Translation:" << trans->dst_x << trans->dst_y;
//Replace the origin point with the global position (sizing remains the same)
geom.moveLeft(trans->dst_x); //adjust X coordinate (no size change)
geom.moveTop(trans->dst_y); //adjust Y coordinate (no size change)
free(trans);
}
}else{
//Need to do another catch for this situation (probably not mapped yet)
}
return geom;
}
bool LinuxWindowCapture::WindowRect() {
if( mWindow == 0 )
return false;
xcb_connection_t* dpy = xcb_connect( NULL, NULL );
if ( xcb_connection_has_error( dpy ) )
qDebug() << "Can't open display";
xcb_screen_t* screen = xcb_setup_roots_iterator( xcb_get_setup( dpy ) ).data;
if( !screen )
qDebug() << "Can't acquire screen";
xcb_get_geometry_cookie_t geometryC = xcb_get_geometry( dpy, mWindow );
xcb_get_geometry_reply_t* geometryR = xcb_get_geometry_reply( dpy, geometryC, NULL );
if( geometryR ) {
xcb_translate_coordinates_cookie_t
translateC = xcb_translate_coordinates( dpy,
mWindow,
screen->root,
geometryR->x,
geometryR->y );
xcb_translate_coordinates_reply_t*
translateR = xcb_translate_coordinates_reply( dpy, translateC, NULL );
mRect.setRect( translateR->dst_x,
translateR->dst_y,
geometryR->width,
geometryR->height );
free( geometryR );
free( translateR );
xcb_disconnect( dpy );
return true;
}
xcb_disconnect( dpy );
return false;
}
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;
}
bool LinuxWindowCapture::ExtractWindowProperties( xcb_window_t winId, QRect* winRect, bool* winFocus ) {
if( !winId )
return false;
xcb_connection_t* xcbConn = QX11Info::connection();
xcb_get_geometry_cookie_t geometryC = xcb_get_geometry( xcbConn, winId );
CScopedPointer< xcb_get_geometry_reply_t > geometryR( xcb_get_geometry_reply( xcbConn, geometryC, nullptr ) );
if( !geometryR ) return false;
// assume the parent window is the screen then we can just use the coordinates directly
int x = geometryR->x;
int y = geometryR->y;
CScopedPointer< xcb_query_tree_reply_t > treeR( xcb_query_tree_reply( xcbConn, xcb_query_tree( xcbConn, winId ), nullptr ) );
if ( !treeR ) return false;
// if the parent isn't screen translate coords
if ( treeR->parent != QX11Info::appRootWindow() ) {
xcb_translate_coordinates_cookie_t
translateC = xcb_translate_coordinates( xcbConn, winId, QX11Info::appRootWindow(), x, y );
CScopedPointer< xcb_translate_coordinates_reply_t >
translateR( xcb_translate_coordinates_reply( xcbConn, translateC, nullptr ) );
if ( !translateR ) return false;
x = translateR->dst_x;
y = translateR->dst_y;
}
winRect->setRect( x, y, geometryR->width, geometryR->height );
xcb_get_input_focus_cookie_t focusC = xcb_get_input_focus( xcbConn );
CScopedPointer < xcb_get_input_focus_reply_t > focusR( xcb_get_input_focus_reply( xcbConn, focusC, nullptr ) );
if ( !focusR ) return false;
*winFocus = ( focusR->focus == winId );
return true;
}
/** The configure event handler.
* \param ev The event.
*/
static void
event_handle_configurerequest(xcb_configure_request_event_t *ev)
{
client_t *c;
if((c = client_getbywin(ev->window)))
{
area_t geometry = c->geometry;
uint16_t bw = c->border_width;
uint16_t tb_left = c->titlebar[CLIENT_TITLEBAR_LEFT].size;
uint16_t tb_right = c->titlebar[CLIENT_TITLEBAR_RIGHT].size;
uint16_t tb_top = c->titlebar[CLIENT_TITLEBAR_TOP].size;
uint16_t tb_bottom = c->titlebar[CLIENT_TITLEBAR_BOTTOM].size;
uint16_t deco_left = bw + tb_left;
uint16_t deco_right = bw + tb_right;
uint16_t deco_top = bw + tb_top;
uint16_t deco_bottom = bw + tb_bottom;
int16_t diff_w = 0, diff_h = 0, diff_border = 0;
lua_State *L = globalconf_get_lua_State();
if(ev->value_mask & XCB_CONFIG_WINDOW_X)
{
int16_t diff = 0;
geometry.x = ev->x;
xwindow_translate_for_gravity(c->size_hints.win_gravity, deco_left, 0, deco_right, 0, &diff, NULL);
geometry.x += diff;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_Y)
{
int16_t diff = 0;
geometry.y = ev->y;
xwindow_translate_for_gravity(c->size_hints.win_gravity, 0, deco_top, 0, deco_bottom, NULL, &diff);
geometry.y += diff;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_WIDTH)
{
uint16_t old_w = geometry.width;
geometry.width = ev->width;
/* The ConfigureRequest specifies the size of the client window, we want the frame */
geometry.width += tb_left + tb_right;
diff_w = geometry.width - old_w;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
{
uint16_t old_h = geometry.height;
geometry.height = ev->height;
/* The ConfigureRequest specifies the size of the client window, we want the frame */
geometry.height += tb_top + tb_bottom;
diff_h = geometry.height - old_h;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
{
diff_border = ev->border_width - bw;
diff_h += diff_border;
diff_w += diff_border;
luaA_object_push(L, c);
window_set_border_width(L, -1, ev->border_width);
lua_pop(L, 1);
}
/* If the client resizes without moving itself, apply window gravity */
if(c->size_hints.flags & XCB_ICCCM_SIZE_HINT_P_WIN_GRAVITY)
{
int16_t diff_x = 0, diff_y = 0;
xwindow_translate_for_gravity(c->size_hints.win_gravity, diff_border, diff_border, diff_w, diff_h, &diff_x, &diff_y);
if(!(ev->value_mask & XCB_CONFIG_WINDOW_X))
geometry.x += diff_x;
if(!(ev->value_mask & XCB_CONFIG_WINDOW_Y))
geometry.y += diff_y;
}
c->got_configure_request = true;
/* Request the changes to be applied */
luaA_object_push(L, c);
lua_pushstring(L, "ewmh"); /* context */
lua_newtable(L); /* props */
/* area, it needs to be directly in the `hints` table to comply with
the "protocol"
*/
lua_pushstring(L, "x");
lua_pushinteger(L, geometry.x);
lua_rawset(L, -3);
lua_pushstring(L, "y");
lua_pushinteger(L, geometry.y);
lua_rawset(L, -3);
lua_pushstring(L, "width");
lua_pushinteger(L, geometry.width);
lua_rawset(L, -3);
lua_pushstring(L, "height");
lua_pushinteger(L, geometry.height);
lua_rawset(L, -3);
luaA_object_emit_signal(L, -3, "request::geometry", 2);
lua_pop(L, 1);
}
else if (xembed_getbywin(&globalconf.embedded, ev->window))
{
/* Ignore this so that systray icons cannot resize themselves.
* We decide their size!
* However, Xembed says that we act like a WM to the embedded window and
* thus we have to send a synthetic configure notify informing the
* window that its configure request was denied.
*/
xcb_get_geometry_cookie_t geom_cookie =
xcb_get_geometry_unchecked(globalconf.connection, ev->window);
xcb_translate_coordinates_cookie_t coords_cookie =
xcb_translate_coordinates_unchecked(globalconf.connection,
ev->window, globalconf.screen->root, 0, 0);
xcb_get_geometry_reply_t *geom =
xcb_get_geometry_reply(globalconf.connection, geom_cookie, NULL);
xcb_translate_coordinates_reply_t *coords =
xcb_translate_coordinates_reply(globalconf.connection, coords_cookie, NULL);
if (geom && coords)
{
xwindow_configure(ev->window,
(area_t) { .x = coords->dst_x,
.y = coords->dst_y,
.width = geom->width,
.height = geom->height },
0);
static gboolean
_eventd_nd_xcb_randr_check_focused(EventdNdBackendContext *self, EventdNdXcbRandrOutput *output)
{
gint x, y;
switch ( self->follow_focus )
{
case EVENTD_ND_XCB_FOLLOW_FOCUS_MOUSE:
{
xcb_query_pointer_cookie_t c;
xcb_query_pointer_reply_t *r;
c = xcb_query_pointer(self->xcb_connection, self->screen->root);
r = xcb_query_pointer_reply(self->xcb_connection, c, NULL);
if ( r == NULL )
return FALSE;
x = r->root_x;
y = r->root_y;
free(r);
}
break;
case EVENTD_ND_XCB_FOLLOW_FOCUS_KEYBOARD:
{
xcb_get_property_cookie_t wc;
xcb_get_property_reply_t *wr;
wc = xcb_get_property(self->xcb_connection, FALSE, self->screen->root, self->ewmh._NET_ACTIVE_WINDOW, XCB_ATOM_WINDOW, 0, sizeof(xcb_window_t));
wr = xcb_get_property_reply(self->xcb_connection, wc, NULL);
if ( wr == NULL )
return FALSE;
xcb_window_t w;
w = *((xcb_window_t *) xcb_get_property_value(wr));
free(wr);
xcb_translate_coordinates_cookie_t cc;
xcb_translate_coordinates_reply_t *cr;
cc = xcb_translate_coordinates(self->xcb_connection, w, self->screen->root, 0, 0);
cr = xcb_translate_coordinates_reply(self->xcb_connection, cc, NULL);
if ( cr == NULL )
return FALSE;
x = cr->dst_x;
y = cr->dst_y;
free(cr);
}
break;
default:
g_return_val_if_reached(FALSE);
}
for ( ; output->output != NULL ; ++output )
{
if ( ! ( ( x >= output->crtc->x && x <= ( output->crtc->x + output->crtc->width ) ) && ( y >= output->crtc->y && y <= ( output->crtc->y + output->crtc->height ) ) ) )
continue;
self->geometry.x = output->crtc->x;
self->geometry.y = output->crtc->y;
self->geometry.w = output->crtc->width;
self->geometry.h = output->crtc->height;
return TRUE;
}
return FALSE;
}
void krad_x11_enable_capture (krad_x11_t *x11, uint32_t window_id) {
xcb_get_geometry_reply_t *geo;
xcb_query_tree_reply_t *tree;
xcb_translate_coordinates_cookie_t translateCookie;
xcb_translate_coordinates_reply_t *trans;
geo = xcb_get_geometry_reply (x11->connection,
xcb_get_geometry (x11->connection, window_id), NULL);
if (geo == NULL) {
window_id = 0;
} else {
tree = xcb_query_tree_reply (x11->connection,
xcb_query_tree (x11->connection, window_id), NULL);
if (tree == NULL) {
window_id = 0;
free (geo);
} else {
translateCookie = xcb_translate_coordinates (x11->connection,
window_id,
x11->screen->root,
geo->x, geo->y);
trans = xcb_translate_coordinates_reply (x11->connection,
translateCookie,
NULL);
if (trans == NULL) {
window_id = 0;
free (tree);
free (geo);
} else {
x11->width = geo->width;
x11->height = geo->height;
x11->x = trans->dst_x - geo->x;
x11->y = trans->dst_y - geo->y;
free (trans);
free (tree);
free (geo);
}
}
}
if (window_id == 0) {
x11->width = x11->screen_width;
x11->height = x11->screen_height;
x11->window = x11->screen->root;
}
//printf ("capture width %d height %d x %d y %d\n",
// x11->width, x11->height, x11->x, x11->y);
x11->img = xcb_image_create_native (x11->connection,
x11->width, x11->height,
XCB_IMAGE_FORMAT_Z_PIXMAP,
x11->screen_bit_depth, 0, ~0, 0);
if (!x11->img) {
exit (15);
}
x11->stride = x11->img->stride;
x11->shminfo.shmid = shmget (IPC_PRIVATE,
x11->img->stride * x11->img->height,
(IPC_CREAT | 0666));
if (x11->shminfo.shmid == (uint32_t)-1) {
xcb_image_destroy (x11->img);
failfast ("shminfo fail");
}
x11->shminfo.shmaddr = shmat (x11->shminfo.shmid, 0, 0);
x11->img->data = x11->shminfo.shmaddr;
if (x11->img->data == (uint8_t *)-1) {
xcb_image_destroy (x11->img);
failfast ("xcb image fail");
}
x11->shminfo.shmseg = xcb_generate_id (x11->connection);
xcb_shm_attach (x11->connection, x11->shminfo.shmseg, x11->shminfo.shmid, 0);
x11->capture_enabled = 1;
}
QPixmap QXcbScreen::grabWindow(WId window, int x, int y, int width, int height) const
{
if (width == 0 || height == 0)
return QPixmap();
// TODO: handle multiple screens
QXcbScreen *screen = const_cast<QXcbScreen *>(this);
xcb_window_t root = screen->root();
if (window == 0)
window = root;
xcb_get_geometry_cookie_t geometry_cookie = xcb_get_geometry_unchecked(xcb_connection(), window);
xcb_get_geometry_reply_t *reply =
xcb_get_geometry_reply(xcb_connection(), geometry_cookie, NULL);
if (!reply) {
return QPixmap();
}
if (width < 0)
width = reply->width - x;
if (height < 0)
height = reply->height - y;
geometry_cookie = xcb_get_geometry_unchecked(xcb_connection(), root);
xcb_get_geometry_reply_t *root_reply =
xcb_get_geometry_reply(xcb_connection(), geometry_cookie, NULL);
if (!root_reply) {
free(reply);
return QPixmap();
}
if (reply->depth == root_reply->depth) {
// if the depth of the specified window and the root window are the
// same, grab pixels from the root window (so that we get the any
// overlapping windows and window manager frames)
// map x and y to the root window
xcb_translate_coordinates_cookie_t translate_cookie =
xcb_translate_coordinates_unchecked(xcb_connection(), window, root, x, y);
xcb_translate_coordinates_reply_t *translate_reply =
xcb_translate_coordinates_reply(xcb_connection(), translate_cookie, NULL);
if (!translate_reply) {
free(reply);
free(root_reply);
return QPixmap();
}
x = translate_reply->dst_x;
y = translate_reply->dst_y;
window = root;
free(translate_reply);
free(reply);
reply = root_reply;
} else {
free(root_reply);
root_reply = 0;
}
xcb_get_window_attributes_reply_t *attributes_reply =
xcb_get_window_attributes_reply(xcb_connection(), xcb_get_window_attributes_unchecked(xcb_connection(), window), NULL);
if (!attributes_reply) {
free(reply);
return QPixmap();
}
const xcb_visualtype_t *visual = screen->visualForId(attributes_reply->visual);
free(attributes_reply);
xcb_pixmap_t pixmap = xcb_generate_id(xcb_connection());
xcb_create_pixmap(xcb_connection(), reply->depth, pixmap, window, width, height);
uint32_t gc_value_mask = XCB_GC_SUBWINDOW_MODE;
uint32_t gc_value_list[] = { XCB_SUBWINDOW_MODE_INCLUDE_INFERIORS };
xcb_gcontext_t gc = xcb_generate_id(xcb_connection());
xcb_create_gc(xcb_connection(), gc, pixmap, gc_value_mask, gc_value_list);
xcb_copy_area(xcb_connection(), window, pixmap, gc, x, y, 0, 0, width, height);
QPixmap result = qt_xcb_pixmapFromXPixmap(connection(), pixmap, width, height, reply->depth, visual);
free(reply);
xcb_free_gc(xcb_connection(), gc);
xcb_free_pixmap(xcb_connection(), pixmap);
return result;
}
//_____________________________________________
void SizeGrip::sendMoveResizeEvent( QPoint position )
{
#if OXYGEN_HAVE_X11
if( !QX11Info::isPlatformX11() ) return;
// pointer to connection
auto connection( QX11Info::connection() );
// client
auto c = m_decoration.data()->client().data();
/*
get root position matching position
need to use xcb because the embedding of the widget
breaks QT's mapToGlobal and other methods
*/
QPoint rootPosition( position );
xcb_get_geometry_cookie_t cookie( xcb_get_geometry( connection, winId() ) );
ScopedPointer<xcb_get_geometry_reply_t> reply( xcb_get_geometry_reply( connection, cookie, 0x0 ) );
if( reply )
{
// translate coordinates
xcb_translate_coordinates_cookie_t coordCookie( xcb_translate_coordinates(
connection, winId(), reply.data()->root,
-reply.data()->border_width,
-reply.data()->border_width ) );
ScopedPointer< xcb_translate_coordinates_reply_t> coordReply( xcb_translate_coordinates_reply( connection, coordCookie, 0x0 ) );
if( coordReply )
{
rootPosition.rx() += coordReply.data()->dst_x;
rootPosition.ry() += coordReply.data()->dst_y;
}
}
// move/resize atom
if( !m_moveResizeAtom )
{
// create atom if not found
const QString atomName( "_NET_WM_MOVERESIZE" );
xcb_intern_atom_cookie_t cookie( xcb_intern_atom( connection, false, atomName.size(), qPrintable( atomName ) ) );
ScopedPointer<xcb_intern_atom_reply_t> reply( xcb_intern_atom_reply( connection, cookie, 0x0 ) );
m_moveResizeAtom = reply ? reply->atom:0;
}
if( !m_moveResizeAtom ) return;
// button release event
xcb_button_release_event_t releaseEvent;
memset(&releaseEvent, 0, sizeof(releaseEvent));
releaseEvent.response_type = XCB_BUTTON_RELEASE;
releaseEvent.event = winId();
releaseEvent.child = XCB_WINDOW_NONE;
releaseEvent.root = QX11Info::appRootWindow();
releaseEvent.event_x = position.x();
releaseEvent.event_y = position.y();
releaseEvent.root_x = rootPosition.x();
releaseEvent.root_y = rootPosition.y();
releaseEvent.detail = XCB_BUTTON_INDEX_1;
releaseEvent.state = XCB_BUTTON_MASK_1;
releaseEvent.time = XCB_CURRENT_TIME;
releaseEvent.same_screen = true;
xcb_send_event( connection, false, winId(), XCB_EVENT_MASK_BUTTON_RELEASE, reinterpret_cast<const char*>(&releaseEvent));
xcb_ungrab_pointer( connection, XCB_TIME_CURRENT_TIME );
// move resize event
xcb_client_message_event_t clientMessageEvent;
memset(&clientMessageEvent, 0, sizeof(clientMessageEvent));
clientMessageEvent.response_type = XCB_CLIENT_MESSAGE;
clientMessageEvent.type = m_moveResizeAtom;
clientMessageEvent.format = 32;
clientMessageEvent.window = c->windowId();
clientMessageEvent.data.data32[0] = rootPosition.x();
clientMessageEvent.data.data32[1] = rootPosition.y();
clientMessageEvent.data.data32[2] = 4; // bottom right
clientMessageEvent.data.data32[3] = Qt::LeftButton;
clientMessageEvent.data.data32[4] = 0;
xcb_send_event( connection, false, QX11Info::appRootWindow(),
XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY |
XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT,
reinterpret_cast<const char*>(&clientMessageEvent) );
xcb_flush( connection );
#endif
}
/**
* Processing callback
*/
static void Demux (void *data)
{
demux_t *demux = data;
demux_sys_t *p_sys = demux->p_sys;
xcb_connection_t *conn = p_sys->conn;
/* Update capture region (if needed) */
xcb_get_geometry_cookie_t gc = xcb_get_geometry (conn, p_sys->window);
int16_t x = p_sys->x, y = p_sys->y;
xcb_translate_coordinates_cookie_t tc;
if (p_sys->window != p_sys->root)
tc = xcb_translate_coordinates (conn, p_sys->window, p_sys->root,
x, y);
xcb_get_geometry_reply_t *geo = xcb_get_geometry_reply (conn, gc, NULL);
if (geo == NULL)
{
msg_Err (demux, "bad X11 drawable 0x%08"PRIx32, p_sys->window);
return;
}
uint16_t w = geo->width - x;
uint16_t h = geo->height - y;
free (geo);
if (p_sys->w > 0 && p_sys->w < w)
w = p_sys->w;
if (p_sys->h > 0 && p_sys->h < h)
h = p_sys->h;
if (p_sys->window != p_sys->root)
{
xcb_translate_coordinates_reply_t *coords =
xcb_translate_coordinates_reply (conn, tc, NULL);
if (coords == NULL)
return;
x = coords->dst_x;
y = coords->dst_y;
free (coords);
}
xcb_get_image_reply_t *img;
img = xcb_get_image_reply (conn,
xcb_get_image (conn, XCB_IMAGE_FORMAT_Z_PIXMAP, p_sys->root,
x, y, w, h, ~0), NULL);
if (img == NULL)
return;
/* Send block - zero copy */
block_t *block = block_heap_Alloc (img, xcb_get_image_data (img),
xcb_get_image_data_length (img));
if (block == NULL)
return;
vlc_mutex_lock (&p_sys->lock);
if (w != p_sys->fmt.video.i_visible_width
|| h != p_sys->fmt.video.i_visible_height)
{
if (p_sys->es != NULL)
es_out_Del (demux->out, p_sys->es);
p_sys->fmt.video.i_visible_width = p_sys->fmt.video.i_width = w;
p_sys->fmt.video.i_visible_height = p_sys->fmt.video.i_height = h;
p_sys->es = es_out_Add (demux->out, &p_sys->fmt);
}
/* Capture screen */
if (p_sys->es != NULL)
{
if (p_sys->pts == VLC_TS_INVALID)
p_sys->pts = mdate ();
block->i_pts = block->i_dts = p_sys->pts;
es_out_Control (demux->out, ES_OUT_SET_PCR, p_sys->pts);
es_out_Send (demux->out, p_sys->es, block);
p_sys->pts += p_sys->interval;
}
vlc_mutex_unlock (&p_sys->lock);
}
// determine which monitor holds the active window, or failing that the mouse pointer
void monitor_active ( workarea *mon )
{
xcb_window_t root = xcb->screen->root;
int x, y;
if ( config.monitor >= 0 ) {
if ( monitor_get_dimension ( config.monitor, mon ) ) {
return;
}
fprintf ( stderr, "Failed to find selected monitor.\n" );
}
if ( config.monitor == -3 ) {
if ( pointer_get ( root, &x, &y ) ) {
monitor_dimensions ( x, y, mon );
mon->x = x;
mon->y = y;
return;
}
}
// Get the current desktop.
unsigned int current_desktop = 0;
if ( config.monitor == -1 && xcb_ewmh_get_current_desktop_reply ( &xcb->ewmh,
xcb_ewmh_get_current_desktop ( &xcb->ewmh, xcb->screen_nbr ),
¤t_desktop, NULL ) ) {
xcb_get_property_cookie_t c = xcb_ewmh_get_desktop_viewport ( &xcb->ewmh, xcb->screen_nbr );
xcb_ewmh_get_desktop_viewport_reply_t vp;
if ( xcb_ewmh_get_desktop_viewport_reply ( &xcb->ewmh, c, &vp, NULL ) ) {
if ( current_desktop < vp.desktop_viewport_len ) {
monitor_dimensions ( vp.desktop_viewport[current_desktop].x,
vp.desktop_viewport[current_desktop].y, mon );
xcb_ewmh_get_desktop_viewport_reply_wipe ( &vp );
return;
}
xcb_ewmh_get_desktop_viewport_reply_wipe ( &vp );
}
}
xcb_window_t active_window;
if ( xcb_ewmh_get_active_window_reply ( &xcb->ewmh,
xcb_ewmh_get_active_window ( &xcb->ewmh, xcb->screen_nbr ), &active_window, NULL ) ) {
// get geometry.
xcb_get_geometry_cookie_t c = xcb_get_geometry ( xcb->connection, active_window );
xcb_get_geometry_reply_t *r = xcb_get_geometry_reply ( xcb->connection, c, NULL );
if ( r ) {
xcb_translate_coordinates_cookie_t ct = xcb_translate_coordinates ( xcb->connection, active_window, root, r->x, r->y );
xcb_translate_coordinates_reply_t *t = xcb_translate_coordinates_reply ( xcb->connection, ct, NULL );
if ( t ) {
if ( config.monitor == -2 ) {
// place the menu above the window
// if some window is focused, place menu above window, else fall
// back to selected monitor.
mon->x = t->dst_x - r->x;
mon->y = t->dst_y - r->y;
mon->w = r->width;
mon->h = r->height;
mon->t = r->border_width;
mon->b = r->border_width;
mon->l = r->border_width;
mon->r = r->border_width;
free ( r );
free ( t );
return;
} else if ( config.monitor == -4 ){
monitor_dimensions ( t->dst_x, t->dst_y, mon );
free(r);
free(t);
return;
}
}
free ( r );
}
}
if ( pointer_get ( root, &x, &y ) ) {
monitor_dimensions ( x, y, mon );
return;
}
monitor_dimensions ( 0, 0, mon );
}
static xcb_rectangle_t get_window_position(void) {
xcb_rectangle_t result = (xcb_rectangle_t){logical_px(50), logical_px(50), MAX_WIDTH, font.height + 2 * BORDER + 2 * PADDING};
xcb_get_property_reply_t *supporting_wm_reply = NULL;
xcb_get_input_focus_reply_t *input_focus = NULL;
xcb_get_geometry_reply_t *geometry = NULL;
xcb_get_property_reply_t *wm_class = NULL;
xcb_translate_coordinates_reply_t *coordinates = NULL;
xcb_atom_t A__NET_SUPPORTING_WM_CHECK;
xcb_intern_atom_cookie_t nswc_cookie = xcb_intern_atom(conn, 0, strlen("_NET_SUPPORTING_WM_CHECK"), "_NET_SUPPORTING_WM_CHECK");
xcb_intern_atom_reply_t *nswc_reply = xcb_intern_atom_reply(conn, nswc_cookie, NULL);
if (nswc_reply == NULL) {
ELOG("Could not intern atom _NET_SUPPORTING_WM_CHECK\n");
exit(-1);
}
A__NET_SUPPORTING_WM_CHECK = nswc_reply->atom;
free(nswc_reply);
supporting_wm_reply = xcb_get_property_reply(
conn, xcb_get_property(conn, false, root, A__NET_SUPPORTING_WM_CHECK, XCB_ATOM_WINDOW, 0, 32), NULL);
xcb_window_t *supporting_wm_win = NULL;
if (supporting_wm_reply == NULL || xcb_get_property_value_length(supporting_wm_reply) == 0) {
DLOG("Could not determine EWMH support window.\n");
} else {
supporting_wm_win = xcb_get_property_value(supporting_wm_reply);
}
/* In rare cases, the window holding the input focus might disappear while we are figuring out its
* position. To avoid this, we grab the server in the meantime. */
xcb_grab_server(conn);
input_focus = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
if (input_focus == NULL || input_focus->focus == XCB_NONE) {
DLOG("Failed to receive the current input focus or no window has the input focus right now.\n");
goto free_resources;
}
/* We need to ignore the EWMH support window to which the focus can be set if there's no suitable window to focus. */
if (supporting_wm_win != NULL && input_focus->focus == *supporting_wm_win) {
DLOG("Input focus is on the EWMH support window, ignoring.\n");
goto free_resources;
}
geometry = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, input_focus->focus), NULL);
if (geometry == NULL) {
DLOG("Failed to received window geometry.\n");
goto free_resources;
}
wm_class = xcb_get_property_reply(
conn, xcb_get_property(conn, false, input_focus->focus, XCB_ATOM_WM_CLASS, XCB_GET_PROPERTY_TYPE_ANY, 0, 32), NULL);
/* We need to find out whether the input focus is on an i3 frame window. If it is, we must not translate the coordinates. */
if (wm_class == NULL || xcb_get_property_value_length(wm_class) == 0 || strcmp(xcb_get_property_value(wm_class), "i3-frame") != 0) {
coordinates = xcb_translate_coordinates_reply(
conn, xcb_translate_coordinates(conn, input_focus->focus, root, geometry->x, geometry->y), NULL);
if (coordinates == NULL) {
DLOG("Failed to translate coordinates.\n");
goto free_resources;
}
DLOG("Determined coordinates of window with input focus at x = %i / y = %i.\n", coordinates->dst_x, coordinates->dst_y);
result.x += coordinates->dst_x;
result.y += coordinates->dst_y;
} else {
DLOG("Determined coordinates of window with input focus at x = %i / y = %i.\n", geometry->x, geometry->y);
result.x += geometry->x;
result.y += geometry->y;
}
free_resources:
xcb_ungrab_server(conn);
xcb_flush(conn);
FREE(supporting_wm_reply);
FREE(input_focus);
FREE(geometry);
FREE(wm_class);
FREE(coordinates);
return result;
}
