void query_pointer(xcb_window_t *win, xcb_point_t *pt)
{
xcb_query_pointer_reply_t *qpr = xcb_query_pointer_reply(dpy, xcb_query_pointer(dpy, root), NULL);
if (qpr != NULL) {
if (win != NULL) {
*win = qpr->child;
xcb_point_t pt = {qpr->root_x, qpr->root_y};
for (stacking_list_t *s = stack_tail; s != NULL; s = s->prev) {
if (!s->node->client->shown || s->node->hidden) {
continue;
}
xcb_rectangle_t rect = get_rectangle(NULL, s->node);
if (is_inside(pt, rect)) {
if (s->node->id == qpr->child || is_presel_window(qpr->child)) {
*win = s->node->id;
}
break;
}
}
}
if (pt != NULL) {
*pt = (xcb_point_t) {qpr->root_x, qpr->root_y};
}
}
free(qpr);
}
//_________________________________________________________
WId DetectDialog::findWindow()
{
#if BREEZE_HAVE_X11
if (!QX11Info::isPlatformX11()) {
return 0;
}
// check atom
if( !m_wmStateAtom ) return 0;
xcb_connection_t* connection( QX11Info::connection() );
xcb_window_t parent( QX11Info::appRootWindow() );
// why is there a loop of only 10 here
for( int i = 0; i < 10; ++i )
{
// query pointer
xcb_query_pointer_cookie_t pointerCookie( xcb_query_pointer( connection, parent ) );
QScopedPointer<xcb_query_pointer_reply_t, QScopedPointerPodDeleter> pointerReply( xcb_query_pointer_reply( connection, pointerCookie, nullptr ) );
if( !( pointerReply && pointerReply->child ) ) return 0;
const xcb_window_t child( pointerReply->child );
xcb_get_property_cookie_t cookie( xcb_get_property( connection, 0, child, m_wmStateAtom, XCB_GET_PROPERTY_TYPE_ANY, 0, 0 ) );
QScopedPointer<xcb_get_property_reply_t, QScopedPointerPodDeleter> reply( xcb_get_property_reply( connection, cookie, nullptr ) );
if( reply && reply->type ) return child;
else parent = child;
}
#endif
return 0;
}
Vector2i InputImpl::getMousePosition()
{
// Open a connection with the X server
xcb_connection_t* connection = OpenConnection();
ScopedXcbPtr<xcb_generic_error_t> error(NULL);
ScopedXcbPtr<xcb_query_pointer_reply_t> pointer(
xcb_query_pointer_reply(
connection,
xcb_query_pointer(
connection,
XCBDefaultRootWindow(connection)
),
&error
)
);
// Close the connection with the X server
CloseConnection(connection);
if (error)
{
err() << "Failed to query pointer" << std::endl;
return Vector2i(0, 0);
}
return Vector2i(pointer->root_x, pointer->root_y);
}
void QXcbCursor::queryPointer(QXcbConnection *c, xcb_window_t *rootWin, QPoint *pos, int *keybMask)
{
if (pos)
*pos = QPoint();
xcb_screen_iterator_t it = xcb_setup_roots_iterator(c->setup());
while (it.rem) {
xcb_window_t root = it.data->root;
xcb_query_pointer_cookie_t cookie = xcb_query_pointer(c->xcb_connection(), root);
xcb_generic_error_t *err = 0;
xcb_query_pointer_reply_t *reply = xcb_query_pointer_reply(c->xcb_connection(), cookie, &err);
if (!err && reply) {
if (pos)
*pos = QPoint(reply->root_x, reply->root_y);
if (rootWin)
*rootWin = root;
if (keybMask)
*keybMask = reply->mask;
free(reply);
return;
}
free(err);
free(reply);
xcb_screen_next(&it);
}
}
/* Get the pointer position. */
void fwm_pointer_getxy(int16_t *x, int16_t *y) {
xcb_query_pointer_reply_t *r;
r = xcb_query_pointer_reply(gd.conn,
xcb_query_pointer(gd.conn, gd.def_screen->root),
NULL);
*x = r->root_x;
*y = r->root_y;
/* Tiis implies grabbing pointer, but not doing so by now.
* x = _this.root_x;
* y = _this.root_y;
*/
}
ExcCode screen_cursor_get_position(int *x, int *y, int *same_screen) {
xcb_query_pointer_cookie_t cookie =
xcb_query_pointer(display, root);
xcb_query_pointer_reply_t *reply =
xcb_query_pointer_reply(display, cookie, NULL);
if (reply == NULL)
PANIC(ERR_X_REQUEST, "screen_cursor_get_position");
*x = reply->root_x;
*y = reply->root_y;
*same_screen = reply->same_screen;
free(reply);
return 0;
}
/**
* @param x The x position of the mouse [out]
* @param y The y position of the mouse [out]
*
* find mouse pointer location
*
* @returns 1 when found
*/
static int pointer_get ( xcb_window_t root, int *x, int *y )
{
*x = 0;
*y = 0;
xcb_query_pointer_cookie_t c = xcb_query_pointer ( xcb->connection, root );
xcb_query_pointer_reply_t *r = xcb_query_pointer_reply ( xcb->connection, c, NULL );
if ( r ) {
*x = r->root_x;
*y = r->root_y;
free ( r );
return 1;
}
return 0;
}
bool InputImpl::isMouseButtonPressed(Mouse::Button button)
{
// Open a connection with the X server
xcb_connection_t* connection = OpenConnection();
ScopedXcbPtr<xcb_generic_error_t> error(NULL);
// Get pointer mask
ScopedXcbPtr<xcb_query_pointer_reply_t> pointer(
xcb_query_pointer_reply(
connection,
xcb_query_pointer(
connection,
XCBDefaultRootWindow(connection)
),
&error
)
);
// Close the connection with the X server
CloseConnection(connection);
if (error)
{
err() << "Failed to query pointer" << std::endl;
return false;
}
uint16_t buttons = pointer->mask;
switch (button)
{
case Mouse::Left:
return buttons & XCB_BUTTON_MASK_1;
case Mouse::Right:
return buttons & XCB_BUTTON_MASK_3;
case Mouse::Middle:
return buttons & XCB_BUTTON_MASK_2;
case Mouse::XButton1:
return false; // not supported by X
case Mouse::XButton2:
return false; // not supported by X
default:
return false;
}
}
/*
* Find child window at pointer location
*/
static xcb_window_t
Find_Child_At_Pointer(xcb_connection_t * dpy, xcb_window_t win)
{
xcb_window_t child_return = XCB_WINDOW_NONE;
xcb_query_pointer_cookie_t qp_cookie;
xcb_query_pointer_reply_t *qp_reply;
qp_cookie = xcb_query_pointer (dpy, win);
qp_reply = xcb_query_pointer_reply (dpy, qp_cookie, NULL);
if (qp_reply) {
child_return = qp_reply->child;
free (qp_reply);
}
return child_return;
}
void XQueryPointer(Display *display, Window w, Window *root_return, Window *child_return,
int *root_x_return, int *root_y_return, int *win_x_return, int *win_y_return, unsigned int *mask_return)
{
xcb_query_pointer_cookie_t cookie = xcb_query_pointer(display, w);
xcb_query_pointer_reply_t *reply = xcb_query_pointer_reply(display, cookie, NULL);
if (reply == NULL)
fatal("Error in X11 communication\n");
*root_return = reply->root;
*child_return = reply->child;
*root_x_return = reply->root_x;
*root_y_return = reply->root_y;
*win_x_return = reply->win_x;
*win_y_return = reply->win_y;
*mask_return = reply->mask;
free(reply);
}
void query_pointer(xcb_window_t *win, xcb_point_t *pt)
{
window_lower(motion_recorder);
xcb_query_pointer_reply_t *qpr = xcb_query_pointer_reply(dpy, xcb_query_pointer(dpy, root), NULL);
if (qpr != NULL) {
if (win != NULL) {
*win = qpr->child;
}
if (pt != NULL) {
*pt = (xcb_point_t) {qpr->root_x, qpr->root_y};
}
}
free(qpr);
window_raise(motion_recorder);
}
Vector2i InputImpl::getMousePosition(const Window& relativeTo)
{
WindowHandle handle = relativeTo.getSystemHandle();
if (handle)
{
// Open a connection with the X server
xcb_connection_t* connection = OpenConnection();
ScopedXcbPtr<xcb_generic_error_t> error(NULL);
ScopedXcbPtr<xcb_query_pointer_reply_t> pointer(
xcb_query_pointer_reply(
connection,
xcb_query_pointer(
connection,
handle
),
&error
)
);
// Close the connection with the X server
CloseConnection(connection);
if (error)
{
err() << "Failed to query pointer" << std::endl;
return Vector2i(0, 0);
}
return Vector2i(pointer->win_x, pointer->win_y);
}
else
{
return Vector2i();
}
}
static void
events_loop(void)
{
xcb_generic_event_t *ev;
#ifdef ENABLE_MOUSE
uint32_t values[3];
xcb_get_geometry_reply_t *geom;
xcb_window_t win = 0;
#endif
/* loop */
for (;;) {
ev = xcb_wait_for_event(conn);
if (!ev)
errx(1, "xcb connection broken");
switch (CLEANMASK(ev->response_type)) {
case XCB_CREATE_NOTIFY: {
xcb_create_notify_event_t *e;
e = (xcb_create_notify_event_t *)ev;
if (!e->override_redirect) {
subscribe(e->window);
focus(e->window, ACTIVE);
}
} break;
case XCB_DESTROY_NOTIFY: {
xcb_destroy_notify_event_t *e;
e = (xcb_destroy_notify_event_t *)ev;
xcb_kill_client(conn, e->window);
} break;
#ifdef ENABLE_SLOPPY
case XCB_ENTER_NOTIFY: {
xcb_enter_notify_event_t *e;
e = (xcb_enter_notify_event_t *)ev;
focus(e->event, ACTIVE);
} break;
#endif
case XCB_MAP_NOTIFY: {
xcb_map_notify_event_t *e;
e = (xcb_map_notify_event_t *)ev;
if (!e->override_redirect) {
xcb_map_window(conn, e->window);
focus(e->window, ACTIVE);
}
} break;
#ifdef ENABLE_MOUSE
case XCB_BUTTON_PRESS: {
xcb_button_press_event_t *e;
e = ( xcb_button_press_event_t *)ev;
win = e->child;
if (!win || win == scr->root)
break;
values[0] = XCB_STACK_MODE_ABOVE;
xcb_configure_window(conn, win,
XCB_CONFIG_WINDOW_STACK_MODE, values);
geom = xcb_get_geometry_reply(conn,
xcb_get_geometry(conn, win), NULL);
if (e->detail == 1) {
values[2] = 1;
xcb_warp_pointer(conn, XCB_NONE, win, 0, 0, 0,
0, geom->width/2, geom->height/2);
} else {
values[2] = 3;
xcb_warp_pointer(conn, XCB_NONE, win, 0, 0, 0,
0, geom->width, geom->height);
}
xcb_grab_pointer(conn, 0, scr->root,
XCB_EVENT_MASK_BUTTON_RELEASE
| XCB_EVENT_MASK_BUTTON_MOTION
| XCB_EVENT_MASK_POINTER_MOTION_HINT,
XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
scr->root, XCB_NONE, XCB_CURRENT_TIME);
xcb_flush(conn);
} break;
case XCB_MOTION_NOTIFY: {
xcb_query_pointer_reply_t *pointer;
pointer = xcb_query_pointer_reply(conn,
xcb_query_pointer(conn, scr->root), 0);
if (values[2] == 1) {
geom = xcb_get_geometry_reply(conn,
xcb_get_geometry(conn, win), NULL);
if (!geom)
break;
values[0] = (pointer->root_x + geom->width / 2
> scr->width_in_pixels
- (BORDERWIDTH*2))
? scr->width_in_pixels - geom->width
- (BORDERWIDTH*2)
: pointer->root_x - geom->width / 2;
values[1] = (pointer->root_y + geom->height / 2
> scr->height_in_pixels
- (BORDERWIDTH*2))
? (scr->height_in_pixels - geom->height
- (BORDERWIDTH*2))
: pointer->root_y - geom->height / 2;
if (pointer->root_x < geom->width/2)
values[0] = 0;
if (pointer->root_y < geom->height/2)
values[1] = 0;
xcb_configure_window(conn, win,
XCB_CONFIG_WINDOW_X
| XCB_CONFIG_WINDOW_Y, values);
xcb_flush(conn);
} else if (values[2] == 3) {
geom = xcb_get_geometry_reply(conn,
xcb_get_geometry(conn, win), NULL);
values[0] = pointer->root_x - geom->x;
values[1] = pointer->root_y - geom->y;
xcb_configure_window(conn, win,
XCB_CONFIG_WINDOW_WIDTH
| XCB_CONFIG_WINDOW_HEIGHT, values);
xcb_flush(conn);
}
} break;
case XCB_BUTTON_RELEASE:
focus(win, ACTIVE);
xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
break;
#endif
case XCB_CONFIGURE_NOTIFY: {
xcb_configure_notify_event_t *e;
e = (xcb_configure_notify_event_t *)ev;
if (e->window != focuswin)
focus(e->window, INACTIVE);
focus(focuswin, ACTIVE);
} break;
}
xcb_flush(conn);
free(ev);
}
}
void ae3d::Window::PumpEvents()
{
xcb_generic_event_t* event;
while ((event = xcb_poll_for_event( WindowGlobal::connection )))
{
//const bool synthetic_event = (event->response_type & 0x80) != 0;
const uint8_t response_type = event->response_type & ~0x80;
switch (response_type)
{
case XCB_EVENT_MASK_BUTTON_PRESS:
case XCB_EVENT_MASK_BUTTON_RELEASE:
{
const xcb_query_pointer_reply_t* pointer = xcb_query_pointer_reply( WindowGlobal::connection, xcb_query_pointer(WindowGlobal::connection, XDefaultRootWindow(WindowGlobal::display)), nullptr );
const bool newb1 = (pointer->mask & XCB_BUTTON_MASK_1) != 0;
const bool newb2 = (pointer->mask & XCB_BUTTON_MASK_2) != 0;
const bool newb3 = (pointer->mask & XCB_BUTTON_MASK_3) != 0;
const xcb_button_press_event_t* be = (xcb_button_press_event_t*)event;
const auto b1Type = response_type == XCB_EVENT_MASK_BUTTON_PRESS ? ae3d::WindowEventType::Mouse1Down : ae3d::WindowEventType::Mouse1Up;
const auto b2Type = response_type == XCB_EVENT_MASK_BUTTON_PRESS ? ae3d::WindowEventType::Mouse2Down : ae3d::WindowEventType::Mouse2Up;
const auto b3Type = response_type == XCB_EVENT_MASK_BUTTON_PRESS ? ae3d::WindowEventType::MouseMiddleDown : ae3d::WindowEventType::MouseMiddleUp;
WindowGlobal::IncEventIndex();
if (newb1)
{
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].type = b1Type;
}
else if (newb3)
{
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].type = b2Type;
}
else if (newb2)
{
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].type = b3Type;
}
else
{
std::cerr << "Unhandled mouse button." << std::endl;
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].type = b1Type;
}
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].mouseX = be->event_x;
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].mouseY = be->event_y;
}
break;
case XCB_KEY_PRESS:
case XCB_KEY_RELEASE:
{
xcb_key_press_event_t *e = (xcb_key_press_event_t *)event;
const bool isDown = (response_type == XCB_KEY_PRESS);
const auto type = isDown ? ae3d::WindowEventType::KeyDown : ae3d::WindowEventType::KeyUp;
WindowGlobal::IncEventIndex();
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].type = type;
const xcb_keysym_t keysym = xcb_key_symbols_get_keysym(WindowGlobal::key_symbols, e->detail, 0);
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].keyCode = WindowGlobal::keyMap[ keysym ];
}
case XCB_MOTION_NOTIFY:
{
xcb_motion_notify_event_t* e = (xcb_motion_notify_event_t*)event;
WindowGlobal::IncEventIndex();
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].type = ae3d::WindowEventType::MouseMove;
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].mouseX = e->event_x;
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].mouseY = e->event_y;
break;
}
case XCB_CLIENT_MESSAGE:
{
xcb_client_message_event_t* client_message_event = (xcb_client_message_event_t*)event;
if (client_message_event->type == WindowGlobal::wm_protocols)
{
if (client_message_event->data.data32[0] == WindowGlobal::wm_delete_window)
{
exit(1);
break;
}
}
break;
}
case XCB_EXPOSE:
{
}
break;
}
}
if (!WindowGlobal::gamePad.isActive)
{
return;
}
js_event j;
while (read( WindowGlobal::gamePad.fd, &j, sizeof(js_event) ) == sizeof(js_event))
//read(WindowGlobal::gamePad.fd, &j, sizeof(js_event));
{
// Don't care if init or afterwards
j.type &= ~JS_EVENT_INIT;
if (j.type == JS_EVENT_BUTTON)
{
if (j.number == WindowGlobal::gamePad.buttonA)
{
if (j.value > 0)
{
WindowGlobal::IncEventIndex();
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].type = WindowEventType::GamePadButtonA;
}
}
else if (j.number == WindowGlobal::gamePad.buttonB)
{
if (j.value > 0)
{
WindowGlobal::IncEventIndex();
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].type = WindowEventType::GamePadButtonB;
}
}
else if (j.number == WindowGlobal::gamePad.buttonX)
{
if (j.value > 0)
{
WindowGlobal::IncEventIndex();
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].type = WindowEventType::GamePadButtonX;
}
}
else if (j.number == WindowGlobal::gamePad.buttonY)
{
if (j.value > 0)
{
WindowGlobal::IncEventIndex();
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].type = WindowEventType::GamePadButtonY;
}
}
else if (j.number == WindowGlobal::gamePad.buttonStart)
{
if (j.value > 0)
{
WindowGlobal::IncEventIndex();
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].type = WindowEventType::GamePadButtonStart;
}
}
else if (j.number == WindowGlobal::gamePad.buttonBack)
{
if (j.value > 0)
{
WindowGlobal::IncEventIndex();
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].type = WindowEventType::GamePadButtonBack;
}
}
else
{
//std::cout << "pressed button " << (int)j.number << std::endl;
}
}
else if (j.type == JS_EVENT_AXIS)
{
if (j.number == WindowGlobal::gamePad.leftThumbX)
{
float x = ProcessGamePadStickValue( j.value, WindowGlobal::gamePad.deadZone );
WindowGlobal::IncEventIndex();
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].type = WindowEventType::GamePadLeftThumbState;
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].gamePadThumbX = x;
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].gamePadThumbY = WindowGlobal::lastLeftThumbY;
WindowGlobal::lastLeftThumbX = x;
}
else if (j.number == WindowGlobal::gamePad.leftThumbY)
{
float y = ProcessGamePadStickValue( j.value, WindowGlobal::gamePad.deadZone );
WindowGlobal::IncEventIndex();
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].type = WindowEventType::GamePadLeftThumbState;
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].gamePadThumbX = WindowGlobal::lastLeftThumbX;
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].gamePadThumbY = y;
WindowGlobal::lastLeftThumbY = y;
}
else if (j.number == WindowGlobal::gamePad.dpadXaxis)
{
if (j.value > 0)
{
WindowGlobal::IncEventIndex();
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].type = WindowEventType::GamePadButtonDPadRight;
}
if (j.value < 0)
{
WindowGlobal::IncEventIndex();
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].type = WindowEventType::GamePadButtonDPadLeft;
}
}
else if (j.number == WindowGlobal::gamePad.dpadYaxis)
{
if (j.value < 0)
{
WindowGlobal::IncEventIndex();
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].type = WindowEventType::GamePadButtonDPadUp;
}
if (j.value > 0)
{
WindowGlobal::IncEventIndex();
WindowGlobal::eventStack[ WindowGlobal::eventIndex ].type = WindowEventType::GamePadButtonDPadDown;
}
}
}
}
}
/**
* Processing callback
*/
static void Demux (void *opaque)
{
demux_t *demux = opaque;
demux_sys_t *sys = demux->p_sys;
xcb_connection_t *conn = sys->conn;
/* Determine capture region */
xcb_get_geometry_cookie_t gc;
xcb_query_pointer_cookie_t qc;
gc = xcb_get_geometry (conn, sys->window);
if (sys->follow_mouse)
qc = xcb_query_pointer (conn, sys->window);
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, sys->window);
discard:
if (sys->follow_mouse)
xcb_discard_reply (conn, gc.sequence);
return;
}
int w = sys->w;
int h = sys->h;
int x, y;
if (sys->follow_mouse)
{
xcb_query_pointer_reply_t *ptr =
xcb_query_pointer_reply (conn, qc, NULL);
if (ptr == NULL)
{
free (geo);
return;
}
if (w == 0 || w > geo->width)
w = geo->width;
x = ptr->win_x;
if (x < w / 2)
x = 0;
else if (x >= (int)geo->width - (w / 2))
x = geo->width - w;
else
x -= w / 2;
if (h == 0 || h > geo->height)
h = geo->height;
y = ptr->win_y;
if (y < h / 2)
y = 0;
else if (y >= (int)geo->height - (h / 2))
y = geo->height - h;
else
y -= h / 2;
}
else
{
int max;
x = sys->x;
max = (int)geo->width - x;
if (max <= 0)
goto discard;
if (w == 0 || w > max)
w = max;
y = sys->y;
max = (int)geo->height - y;
if (max <= 0)
goto discard;
if (h == 0 || h > max)
h = max;
}
/* Update elementary stream format (if needed) */
if (w != sys->cur_w || h != sys->cur_h)
{
if (sys->es != NULL)
es_out_Del (demux->out, sys->es);
/* Update composite pixmap */
if (sys->window != geo->root)
{
xcb_free_pixmap (conn, sys->pixmap); /* no-op first time */
xcb_composite_name_window_pixmap (conn, sys->window, sys->pixmap);
xcb_create_pixmap (conn, geo->depth, sys->pixmap,
geo->root, geo->width, geo->height);
}
sys->es = InitES (demux, w, h, geo->depth, &sys->bpp);
if (sys->es != NULL)
{
sys->cur_w = w;
sys->cur_h = h;
sys->bpp /= 8; /* bits -> bytes */
}
}
/* Capture screen */
xcb_drawable_t drawable =
(sys->window != geo->root) ? sys->pixmap : sys->window;
free (geo);
block_t *block = NULL;
#if HAVE_SYS_SHM_H
if (sys->shm)
{ /* Capture screen through shared memory */
size_t size = w * h * sys->bpp;
int id = shmget (IPC_PRIVATE, size, IPC_CREAT | 0777);
if (id == -1) /* XXX: fallback */
{
msg_Err (demux, "shared memory allocation error: %m");
goto noshm;
}
/* Attach the segment to X and capture */
xcb_shm_get_image_reply_t *img;
xcb_shm_get_image_cookie_t ck;
xcb_shm_attach (conn, sys->segment, id, 0 /* read/write */);
ck = xcb_shm_get_image (conn, drawable, x, y, w, h, ~0,
XCB_IMAGE_FORMAT_Z_PIXMAP, sys->segment, 0);
xcb_shm_detach (conn, sys->segment);
img = xcb_shm_get_image_reply (conn, ck, NULL);
xcb_flush (conn); /* ensure eventual detach */
if (img == NULL)
{
shmctl (id, IPC_RMID, 0);
goto noshm;
}
free (img);
/* Attach the segment to VLC */
void *shm = shmat (id, NULL, 0 /* read/write */);
shmctl (id, IPC_RMID, 0);
if (-1 == (intptr_t)shm)
{
msg_Err (demux, "shared memory attachment error: %m");
return;
}
block = block_shm_Alloc (shm, size);
if (unlikely(block == NULL))
shmdt (shm);
}
noshm:
#endif
if (block == NULL)
{ /* Capture screen through socket (fallback) */
xcb_get_image_reply_t *img;
img = xcb_get_image_reply (conn,
xcb_get_image (conn, XCB_IMAGE_FORMAT_Z_PIXMAP, drawable,
x, y, w, h, ~0), NULL);
if (img == NULL)
return;
uint8_t *data = xcb_get_image_data (img);
size_t datalen = xcb_get_image_data_length (img);
block = block_heap_Alloc (img, data + datalen - (uint8_t *)img);
if (block == NULL)
return;
block->p_buffer = data;
block->i_buffer = datalen;
}
/* Send block - zero copy */
if (sys->es != NULL)
{
block->i_pts = block->i_dts = mdate ();
es_out_Control (demux->out, ES_OUT_SET_PCR, block->i_pts);
es_out_Send (demux->out, sys->es, block);
}
}
static void
events_loop (void) {
uint32_t values[3];
xcb_generic_event_t *ev;
xcb_get_geometry_reply_t *geom;
xcb_window_t win = 0;
/* loop */
for (;;) {
ev = xcb_wait_for_event(conn);
if (ev == NULL)
errx(1, "xcb connection broken");
switch (ev->response_type & ~0x80) {
case XCB_CREATE_NOTIFY: {
xcb_create_notify_event_t *e;
e = (xcb_create_notify_event_t *)ev;
if (!e->override_redirect) {
setup_win(e->window);
focus(e->window, ACTIVE);
}
} break;
case XCB_DESTROY_NOTIFY: {
xcb_destroy_notify_event_t *e;
e = (xcb_destroy_notify_event_t *)ev;
xcb_kill_client(conn, e->window);
} break;
case XCB_KEY_PRESS: {
xcb_key_press_event_t *e;
e = (xcb_key_press_event_t *)ev;
xcb_keysym_t keysym = xcb_get_keysym(e->detail);
for (unsigned int i=0; i < LENGTH(keys); i++) {
if (keys[i].keysym == keysym
&& CLEANMASK(keys[i].mod) == CLEANMASK(e->state)
&& keys[i].mfunc) {
keys[i].mfunc(keys[i].x, keys[i].y);
}
else if (keys[i].keysym == keysym
&& CLEANMASK(keys[i].mod) == CLEANMASK(e->state)
&& keys[i].func) {
keys[i].func();
}
}
} break;
case XCB_ENTER_NOTIFY: {
xcb_enter_notify_event_t *e;
e = (xcb_enter_notify_event_t *)ev;
focus(e->event, ACTIVE);
} break;
case XCB_MAP_NOTIFY: {
xcb_map_notify_event_t *e;
e = (xcb_map_notify_event_t *)ev;
if (!e->override_redirect) {
xcb_map_window(conn, e->window);
xcb_set_input_focus(conn,
XCB_INPUT_FOCUS_POINTER_ROOT,
e->window, XCB_CURRENT_TIME);
}
} break;
case XCB_BUTTON_PRESS: {
xcb_button_press_event_t *e;
e = ( xcb_button_press_event_t *)ev;
win = e->child;
if (!win || win == scr->root)
break;
values[0] = XCB_STACK_MODE_ABOVE;
xcb_configure_window(conn, win,
XCB_CONFIG_WINDOW_STACK_MODE, values);
geom = xcb_get_geometry_reply(conn,
xcb_get_geometry(conn, win), NULL);
if (1 == e->detail) {
values[2] = 1;
center_pointer(win);
} else {
values[2] = 3;
xcb_warp_pointer(conn, XCB_NONE, win, 0, 0, 0,
0, geom->width, geom->height);
}
xcb_grab_pointer(conn, 0, scr->root,
XCB_EVENT_MASK_BUTTON_RELEASE
| XCB_EVENT_MASK_BUTTON_MOTION
| XCB_EVENT_MASK_POINTER_MOTION_HINT,
XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
scr->root, XCB_NONE, XCB_CURRENT_TIME);
xcb_flush(conn);
} break;
case XCB_MOTION_NOTIFY: {
xcb_query_pointer_reply_t *pointer;
pointer = xcb_query_pointer_reply(conn,
xcb_query_pointer(conn, scr->root), 0);
if (values[2] == 1) {
geom = xcb_get_geometry_reply(conn,
xcb_get_geometry(conn, win), NULL);
if (!geom) {
break;
}
values[0] = (pointer->root_x + geom->width / 2
> scr->width_in_pixels
- (BORDERWIDTH*2))
? scr->width_in_pixels - geom->width
- (BORDERWIDTH*2)
: pointer->root_x - geom->width / 2;
values[1] = (pointer->root_y + geom->height / 2
> scr->height_in_pixels
- (BORDERWIDTH*2))
? (scr->height_in_pixels - geom->height
- (BORDERWIDTH*2))
: pointer->root_y - geom->height / 2;
if (pointer->root_x < geom->width/2)
values[0] = 0;
if (pointer->root_y < geom->height/2)
values[1] = 0;
xcb_configure_window(conn, win,
XCB_CONFIG_WINDOW_X
| XCB_CONFIG_WINDOW_Y, values);
xcb_flush(conn);
} else if (values[2] == 3) {
focus(win, RESIZE);
geom = xcb_get_geometry_reply(conn,
xcb_get_geometry(conn, win), NULL);
values[0] = pointer->root_x - geom->x;
values[1] = pointer->root_y - geom->y;
xcb_configure_window(conn, win,
XCB_CONFIG_WINDOW_WIDTH
| XCB_CONFIG_WINDOW_HEIGHT, values);
xcb_flush(conn);
}
} break;
case XCB_BUTTON_RELEASE:
focus(win, ACTIVE);
xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
break;
}
xcb_flush(conn);
free(ev);
}
}
/**
* Processing callback
*/
static void Demux (void *data)
{
demux_t *demux = data;
demux_sys_t *sys = demux->p_sys;
xcb_connection_t *conn = sys->conn;
/* Determine capture region */
xcb_get_geometry_cookie_t gc;
xcb_query_pointer_cookie_t qc;
gc = xcb_get_geometry (conn, sys->window);
if (sys->follow_mouse)
qc = xcb_query_pointer (conn, sys->window);
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, sys->window);
discard:
if (sys->follow_mouse)
xcb_discard_reply (conn, gc.sequence);
return;
}
int w = sys->w;
int h = sys->h;
int x, y;
if (sys->follow_mouse)
{
xcb_query_pointer_reply_t *ptr =
xcb_query_pointer_reply (conn, qc, NULL);
if (ptr == NULL)
{
free (geo);
return;
}
if (w == 0 || w > geo->width)
w = geo->width;
x = ptr->win_x;
if (x < w / 2)
x = 0;
else if (x >= (int)geo->width - (w / 2))
x = geo->width - w;
else
x -= w / 2;
if (h == 0 || h > geo->height)
h = geo->height;
y = ptr->win_y;
if (y < h / 2)
y = 0;
else if (y >= (int)geo->height - (h / 2))
y = geo->height - h;
else
y -= h / 2;
}
else
{
int max;
x = sys->x;
max = (int)geo->width - x;
if (max <= 0)
goto discard;
if (w == 0 || w > max)
w = max;
y = sys->y;
max = (int)geo->height - y;
if (max <= 0)
goto discard;
if (h == 0 || h > max)
h = max;
}
/* Update elementary stream format (if needed) */
if (w != sys->cur_w || h != sys->cur_h)
{
if (sys->es != NULL)
es_out_Del (demux->out, sys->es);
/* Update composite pixmap */
if (sys->window != geo->root)
{
xcb_free_pixmap (conn, sys->pixmap); /* no-op first time */
xcb_composite_name_window_pixmap (conn, sys->window, sys->pixmap);
xcb_create_pixmap (conn, geo->depth, sys->pixmap,
geo->root, geo->width, geo->height);
}
sys->es = InitES (demux, w, h, geo->depth);
if (sys->es != NULL)
{
sys->cur_w = w;
sys->cur_h = h;
}
}
/* Capture screen */
xcb_drawable_t drawable =
(sys->window != geo->root) ? sys->pixmap : sys->window;
free (geo);
xcb_get_image_reply_t *img;
img = xcb_get_image_reply (conn,
xcb_get_image (conn, XCB_IMAGE_FORMAT_Z_PIXMAP, drawable,
x, y, w, h, ~0), NULL);
if (img == NULL)
return;
block_t *block = block_heap_Alloc (img, xcb_get_image_data (img),
xcb_get_image_data_length (img));
if (block == NULL)
return;
/* Send block - zero copy */
if (sys->es != NULL)
{
if (sys->pts == VLC_TS_INVALID)
sys->pts = mdate ();
block->i_pts = block->i_dts = sys->pts;
es_out_Control (demux->out, ES_OUT_SET_PCR, sys->pts);
es_out_Send (demux->out, sys->es, block);
sys->pts += sys->interval;
}
}
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;
}
