static void
dri3_copy_area(xcb_connection_t *c,
xcb_drawable_t src_drawable,
xcb_drawable_t dst_drawable,
xcb_gcontext_t gc,
int16_t src_x,
int16_t src_y,
int16_t dst_x,
int16_t dst_y,
uint16_t width,
uint16_t height)
{
xcb_void_cookie_t cookie;
cookie = xcb_copy_area_checked(c,
src_drawable,
dst_drawable,
gc,
src_x,
src_y,
dst_x,
dst_y,
width,
height);
xcb_discard_reply(c, cookie.sequence);
}
static VkResult
x11_swapchain_destroy(struct wsi_swapchain *anv_chain,
const VkAllocationCallbacks *pAllocator)
{
struct x11_swapchain *chain = (struct x11_swapchain *)anv_chain;
xcb_void_cookie_t cookie;
for (uint32_t i = 0; i < chain->image_count; i++)
x11_image_finish(chain, pAllocator, &chain->images[i]);
if (chain->threaded) {
chain->status = VK_ERROR_OUT_OF_DATE_KHR;
/* Push a UINT32_MAX to wake up the manager */
wsi_queue_push(&chain->present_queue, UINT32_MAX);
pthread_join(chain->queue_manager, NULL);
wsi_queue_destroy(&chain->acquire_queue);
wsi_queue_destroy(&chain->present_queue);
}
xcb_unregister_for_special_event(chain->conn, chain->special_event);
cookie = xcb_present_select_input_checked(chain->conn, chain->event_id,
chain->window,
XCB_PRESENT_EVENT_MASK_NO_EVENT);
xcb_discard_reply(chain->conn, cookie.sequence);
vk_free(pAllocator, chain);
return VK_SUCCESS;
}
static void
x11_image_finish(struct x11_swapchain *chain,
const VkAllocationCallbacks* pAllocator,
struct x11_image *image)
{
xcb_void_cookie_t cookie;
cookie = xcb_sync_destroy_fence(chain->conn, image->sync_fence);
xcb_discard_reply(chain->conn, cookie.sequence);
xshmfence_unmap_shm(image->shm_fence);
cookie = xcb_free_pixmap(chain->conn, image->pixmap);
xcb_discard_reply(chain->conn, cookie.sequence);
chain->base.image_fns->free_wsi_image(chain->base.device, pAllocator,
image->image, image->memory);
}
static void
xpybCookie_dealloc(xpybCookie *self)
{
if (self->conn->conn)
xcb_discard_reply(self->conn->conn, self->cookie.sequence);
Py_CLEAR(self->reply_type);
Py_CLEAR(self->request);
Py_CLEAR(self->conn);
self->ob_type->tp_free((PyObject *)self);
}
bool Shadow::init(const QVector< uint32_t > &data)
{
QVector<Xcb::WindowGeometry> pixmapGeometries(ShadowElementsCount);
QVector<xcb_get_image_cookie_t> getImageCookies(ShadowElementsCount);
auto *c = connection();
for (int i = 0; i < ShadowElementsCount; ++i) {
pixmapGeometries[i] = Xcb::WindowGeometry(data[i]);
}
auto discardReplies = [&getImageCookies](int start) {
for (int i = start; i < getImageCookies.size(); ++i) {
xcb_discard_reply(connection(), getImageCookies.at(i).sequence);
}
};
for (int i = 0; i < ShadowElementsCount; ++i) {
auto &geo = pixmapGeometries[i];
if (geo.isNull()) {
discardReplies(0);
return false;
}
getImageCookies[i] = xcb_get_image_unchecked(c, XCB_IMAGE_FORMAT_Z_PIXMAP, data[i],
0, 0, geo->width, geo->height, ~0);
}
for (int i = 0; i < ShadowElementsCount; ++i) {
auto *reply = xcb_get_image_reply(c, getImageCookies.at(i), nullptr);
if (!reply) {
discardReplies(i+1);
return false;
}
auto &geo = pixmapGeometries[i];
QImage image(xcb_get_image_data(reply), geo->width, geo->height, QImage::Format_ARGB32);
m_shadowElements[i] = QPixmap::fromImage(image);
free(reply);
}
m_topOffset = data[ShadowElementsCount];
m_rightOffset = data[ShadowElementsCount+1];
m_bottomOffset = data[ShadowElementsCount+2];
m_leftOffset = data[ShadowElementsCount+3];
updateShadowRegion();
if (!prepareBackend()) {
return false;
}
buildQuads();
return true;
}
static VkResult
x11_present_to_x11(struct x11_swapchain *chain, uint32_t image_index,
uint32_t target_msc)
{
struct x11_image *image = &chain->images[image_index];
assert(image_index < chain->image_count);
uint32_t options = XCB_PRESENT_OPTION_NONE;
int64_t divisor = 0;
int64_t remainder = 0;
if (chain->base.present_mode == VK_PRESENT_MODE_IMMEDIATE_KHR)
options |= XCB_PRESENT_OPTION_ASYNC;
xshmfence_reset(image->shm_fence);
++chain->send_sbc;
xcb_void_cookie_t cookie =
xcb_present_pixmap(chain->conn,
chain->window,
image->pixmap,
(uint32_t) chain->send_sbc,
0, /* valid */
0, /* update */
0, /* x_off */
0, /* y_off */
XCB_NONE, /* target_crtc */
XCB_NONE,
image->sync_fence,
options,
target_msc,
divisor,
remainder, 0, NULL);
xcb_discard_reply(chain->conn, cookie.sequence);
image->busy = true;
xcb_flush(chain->conn);
return VK_SUCCESS;
}
void
loader_dri3_drawable_fini(struct loader_dri3_drawable *draw)
{
int i;
(draw->ext->core->destroyDrawable)(draw->dri_drawable);
for (i = 0; i < LOADER_DRI3_NUM_BUFFERS; i++) {
if (draw->buffers[i])
dri3_free_render_buffer(draw, draw->buffers[i]);
}
if (draw->special_event) {
xcb_void_cookie_t cookie =
xcb_present_select_input_checked(draw->conn, draw->eid, draw->drawable,
XCB_PRESENT_EVENT_MASK_NO_EVENT);
xcb_discard_reply(draw->conn, cookie.sequence);
xcb_unregister_for_special_event(draw->conn, draw->special_event);
}
}
static void
vl_dri3_screen_destroy(struct vl_screen *vscreen)
{
struct vl_dri3_screen *scrn = (struct vl_dri3_screen *)vscreen;
int i;
assert(vscreen);
dri3_flush_present_events(scrn);
if (scrn->front_buffer) {
dri3_free_front_buffer(scrn, scrn->front_buffer);
scrn->front_buffer = NULL;
}
for (i = 0; i < BACK_BUFFER_NUM; ++i) {
if (scrn->back_buffers[i]) {
dri3_free_back_buffer(scrn, scrn->back_buffers[i]);
scrn->back_buffers[i] = NULL;
}
}
if (scrn->special_event) {
xcb_void_cookie_t cookie =
xcb_present_select_input_checked(scrn->conn, scrn->eid,
scrn->drawable,
XCB_PRESENT_EVENT_MASK_NO_EVENT);
xcb_discard_reply(scrn->conn, cookie.sequence);
xcb_unregister_for_special_event(scrn->conn, scrn->special_event);
}
scrn->pipe->destroy(scrn->pipe);
scrn->base.pscreen->destroy(scrn->base.pscreen);
pipe_loader_release(&scrn->base.dev, 1);
FREE(scrn);
return;
}
/**
* 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;
}
}
virtual
void
discard_reply(unsigned int sequence) const
{
xcb_discard_reply(m_c.get(), sequence);
}
XInputDevice::~XInputDevice()
{
Q_FOREACH (auto cookie, cookies_) {
xcb_discard_reply(connection(), cookie.sequence);
}
/**
* 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 VkResult
x11_image_init(VkDevice device_h, struct x11_swapchain *chain,
const VkSwapchainCreateInfoKHR *pCreateInfo,
const VkAllocationCallbacks* pAllocator,
struct x11_image *image)
{
xcb_void_cookie_t cookie;
VkResult result;
uint32_t row_pitch;
uint32_t offset;
uint32_t bpp = 32;
int fd;
uint32_t size;
result = chain->base.image_fns->create_wsi_image(device_h,
pCreateInfo,
pAllocator,
&image->image,
&image->memory,
&size,
&offset,
&row_pitch,
&fd);
if (result != VK_SUCCESS)
return result;
image->pixmap = xcb_generate_id(chain->conn);
cookie =
xcb_dri3_pixmap_from_buffer_checked(chain->conn,
image->pixmap,
chain->window,
size,
pCreateInfo->imageExtent.width,
pCreateInfo->imageExtent.height,
row_pitch,
chain->depth, bpp, fd);
xcb_discard_reply(chain->conn, cookie.sequence);
int fence_fd = xshmfence_alloc_shm();
if (fence_fd < 0)
goto fail_pixmap;
image->shm_fence = xshmfence_map_shm(fence_fd);
if (image->shm_fence == NULL)
goto fail_shmfence_alloc;
image->sync_fence = xcb_generate_id(chain->conn);
xcb_dri3_fence_from_fd(chain->conn,
image->pixmap,
image->sync_fence,
false,
fence_fd);
image->busy = false;
xshmfence_trigger(image->shm_fence);
return VK_SUCCESS;
fail_shmfence_alloc:
close(fence_fd);
fail_pixmap:
cookie = xcb_free_pixmap(chain->conn, image->pixmap);
xcb_discard_reply(chain->conn, cookie.sequence);
chain->base.image_fns->free_wsi_image(device_h, pAllocator,
image->image, image->memory);
return result;
}
static void
ephyrProcessKeyRelease(xcb_generic_event_t *xev)
{
xcb_connection_t *conn = hostx_get_xcbconn();
xcb_key_release_event_t *key = (xcb_key_release_event_t *)xev;
static xcb_key_symbols_t *keysyms;
static int grabbed_screen = -1;
int mod1_down = ephyrUpdateGrabModifierState(key->state);
if (!keysyms)
keysyms = xcb_key_symbols_alloc(conn);
if (!EphyrWantNoHostGrab &&
(((xcb_key_symbols_get_keysym(keysyms, key->detail, 0) == XK_Shift_L
|| xcb_key_symbols_get_keysym(keysyms, key->detail, 0) == XK_Shift_R)
&& (key->state & XCB_MOD_MASK_CONTROL)) ||
((xcb_key_symbols_get_keysym(keysyms, key->detail, 0) == XK_Control_L
|| xcb_key_symbols_get_keysym(keysyms, key->detail, 0) == XK_Control_R)
&& (key->state & XCB_MOD_MASK_SHIFT)))) {
KdScreenInfo *screen = screen_from_window(key->event);
EphyrScrPriv *scrpriv = screen->driver;
if (grabbed_screen != -1) {
xcb_ungrab_keyboard(conn, XCB_TIME_CURRENT_TIME);
xcb_ungrab_pointer(conn, XCB_TIME_CURRENT_TIME);
grabbed_screen = -1;
hostx_set_win_title(screen,
"(ctrl+shift grabs mouse and keyboard)");
}
else if (!mod1_down) {
/* Attempt grab */
xcb_grab_keyboard_cookie_t kbgrabc =
xcb_grab_keyboard(conn,
TRUE,
scrpriv->win,
XCB_TIME_CURRENT_TIME,
XCB_GRAB_MODE_ASYNC,
XCB_GRAB_MODE_ASYNC);
xcb_grab_keyboard_reply_t *kbgrabr;
xcb_grab_pointer_cookie_t pgrabc =
xcb_grab_pointer(conn,
TRUE,
scrpriv->win,
0,
XCB_GRAB_MODE_ASYNC,
XCB_GRAB_MODE_ASYNC,
scrpriv->win,
XCB_NONE,
XCB_TIME_CURRENT_TIME);
xcb_grab_pointer_reply_t *pgrabr;
kbgrabr = xcb_grab_keyboard_reply(conn, kbgrabc, NULL);
if (!kbgrabr || kbgrabr->status != XCB_GRAB_STATUS_SUCCESS) {
xcb_discard_reply(conn, pgrabc.sequence);
xcb_ungrab_pointer(conn, XCB_TIME_CURRENT_TIME);
} else {
pgrabr = xcb_grab_pointer_reply(conn, pgrabc, NULL);
if (!pgrabr || pgrabr->status != XCB_GRAB_STATUS_SUCCESS)
{
xcb_ungrab_keyboard(conn,
XCB_TIME_CURRENT_TIME);
} else {
grabbed_screen = scrpriv->mynum;
hostx_set_win_title
(screen,
"(ctrl+shift releases mouse and keyboard)");
}
}
}
}
if (!ephyrKbd ||
!((EphyrKbdPrivate *) ephyrKbd->driverPrivate)->enabled) {
return;
}
/* Still send the release event even if above has happened server
* will get confused with just an up event. Maybe it would be
* better to just block shift+ctrls getting to kdrive all
* together.
*/
ephyrUpdateModifierState(key->state);
KdEnqueueKeyboardEvent(ephyrKbd, key->detail, TRUE);
}
/*
* Do some sanity checks and then reparent the window.
*
*/
void manage_window(xcb_window_t window, xcb_get_window_attributes_cookie_t cookie,
bool needs_to_be_mapped) {
xcb_drawable_t d = {window};
xcb_get_geometry_cookie_t geomc;
xcb_get_geometry_reply_t *geom;
xcb_get_window_attributes_reply_t *attr = NULL;
xcb_get_property_cookie_t wm_type_cookie, strut_cookie, state_cookie,
utf8_title_cookie, title_cookie,
class_cookie, leader_cookie, transient_cookie,
role_cookie, startup_id_cookie, wm_hints_cookie,
wm_normal_hints_cookie, motif_wm_hints_cookie;
geomc = xcb_get_geometry(conn, d);
/* Check if the window is mapped (it could be not mapped when intializing and
calling manage_window() for every window) */
if ((attr = xcb_get_window_attributes_reply(conn, cookie, 0)) == NULL) {
DLOG("Could not get attributes\n");
xcb_discard_reply(conn, geomc.sequence);
return;
}
if (needs_to_be_mapped && attr->map_state != XCB_MAP_STATE_VIEWABLE) {
xcb_discard_reply(conn, geomc.sequence);
goto out;
}
/* Don’t manage clients with the override_redirect flag */
if (attr->override_redirect) {
xcb_discard_reply(conn, geomc.sequence);
goto out;
}
/* Check if the window is already managed */
if (con_by_window_id(window) != NULL) {
DLOG("already managed (by con %p)\n", con_by_window_id(window));
xcb_discard_reply(conn, geomc.sequence);
goto out;
}
/* Get the initial geometry (position, size, …) */
if ((geom = xcb_get_geometry_reply(conn, geomc, 0)) == NULL) {
DLOG("could not get geometry\n");
goto out;
}
uint32_t values[1];
/* Set a temporary event mask for the new window, consisting only of
* PropertyChange and StructureNotify. We need to be notified of
* PropertyChanges because the client can change its properties *after* we
* requested them but *before* we actually reparented it and have set our
* final event mask.
* We need StructureNotify because the client may unmap the window before
* we get to re-parent it.
* If this request fails, we assume the client has already unmapped the
* window between the MapRequest and our event mask change. */
values[0] = XCB_EVENT_MASK_PROPERTY_CHANGE |
XCB_EVENT_MASK_STRUCTURE_NOTIFY;
xcb_void_cookie_t event_mask_cookie =
xcb_change_window_attributes_checked(conn, window, XCB_CW_EVENT_MASK, values);
if (xcb_request_check(conn, event_mask_cookie) != NULL) {
LOG("Could not change event mask, the window probably already disappeared.\n");
goto out;
}
#define GET_PROPERTY(atom, len) xcb_get_property(conn, false, window, atom, XCB_GET_PROPERTY_TYPE_ANY, 0, len)
wm_type_cookie = GET_PROPERTY(A__NET_WM_WINDOW_TYPE, UINT32_MAX);
strut_cookie = GET_PROPERTY(A__NET_WM_STRUT_PARTIAL, UINT32_MAX);
state_cookie = GET_PROPERTY(A__NET_WM_STATE, UINT32_MAX);
utf8_title_cookie = GET_PROPERTY(A__NET_WM_NAME, 128);
leader_cookie = GET_PROPERTY(A_WM_CLIENT_LEADER, UINT32_MAX);
transient_cookie = GET_PROPERTY(XCB_ATOM_WM_TRANSIENT_FOR, UINT32_MAX);
title_cookie = GET_PROPERTY(XCB_ATOM_WM_NAME, 128);
class_cookie = GET_PROPERTY(XCB_ATOM_WM_CLASS, 128);
role_cookie = GET_PROPERTY(A_WM_WINDOW_ROLE, 128);
startup_id_cookie = GET_PROPERTY(A__NET_STARTUP_ID, 512);
wm_hints_cookie = xcb_icccm_get_wm_hints(conn, window);
wm_normal_hints_cookie = xcb_icccm_get_wm_normal_hints(conn, window);
motif_wm_hints_cookie = GET_PROPERTY(A__MOTIF_WM_HINTS, 5 * sizeof(uint64_t));
DLOG("Managing window 0x%08x\n", window);
i3Window *cwindow = scalloc(1, sizeof(i3Window));
cwindow->id = window;
cwindow->depth = get_visual_depth(attr->visual);
/* We need to grab buttons 1-3 for click-to-focus and buttons 1-5
* to allow for mouse bindings using --whole-window to work correctly. */
xcb_grab_button(conn, false, window, XCB_EVENT_MASK_BUTTON_PRESS,
XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE,
XCB_BUTTON_INDEX_ANY,
XCB_BUTTON_MASK_ANY /* don’t filter for any modifiers */);
/* update as much information as possible so far (some replies may be NULL) */
window_update_class(cwindow, xcb_get_property_reply(conn, class_cookie, NULL), true);
window_update_name_legacy(cwindow, xcb_get_property_reply(conn, title_cookie, NULL), true);
window_update_name(cwindow, xcb_get_property_reply(conn, utf8_title_cookie, NULL), true);
window_update_leader(cwindow, xcb_get_property_reply(conn, leader_cookie, NULL));
window_update_transient_for(cwindow, xcb_get_property_reply(conn, transient_cookie, NULL));
window_update_strut_partial(cwindow, xcb_get_property_reply(conn, strut_cookie, NULL));
window_update_role(cwindow, xcb_get_property_reply(conn, role_cookie, NULL), true);
bool urgency_hint;
window_update_hints(cwindow, xcb_get_property_reply(conn, wm_hints_cookie, NULL), &urgency_hint);
border_style_t motif_border_style = BS_NORMAL;
window_update_motif_hints(cwindow, xcb_get_property_reply(conn, motif_wm_hints_cookie, NULL), &motif_border_style);
xcb_size_hints_t wm_size_hints;
if (!xcb_icccm_get_wm_size_hints_reply(conn, wm_normal_hints_cookie, &wm_size_hints, NULL))
memset(&wm_size_hints, '\0', sizeof(xcb_size_hints_t));
xcb_get_property_reply_t *type_reply = xcb_get_property_reply(conn, wm_type_cookie, NULL);
xcb_get_property_reply_t *state_reply = xcb_get_property_reply(conn, state_cookie, NULL);
xcb_get_property_reply_t *startup_id_reply;
startup_id_reply = xcb_get_property_reply(conn, startup_id_cookie, NULL);
char *startup_ws = startup_workspace_for_window(cwindow, startup_id_reply);
DLOG("startup workspace = %s\n", startup_ws);
/* check if the window needs WM_TAKE_FOCUS */
cwindow->needs_take_focus = window_supports_protocol(cwindow->id, A_WM_TAKE_FOCUS);
/* read the preferred _NET_WM_WINDOW_TYPE atom */
cwindow->window_type = xcb_get_preferred_window_type(type_reply);
/* Where to start searching for a container that swallows the new one? */
Con *search_at = croot;
if (xcb_reply_contains_atom(type_reply, A__NET_WM_WINDOW_TYPE_DOCK)) {
LOG("This window is of type dock\n");
Output *output = get_output_containing(geom->x, geom->y);
if (output != NULL) {
DLOG("Starting search at output %s\n", output->name);
search_at = output->con;
}
/* find out the desired position of this dock window */
if (cwindow->reserved.top > 0 && cwindow->reserved.bottom == 0) {
DLOG("Top dock client\n");
cwindow->dock = W_DOCK_TOP;
} else if (cwindow->reserved.top == 0 && cwindow->reserved.bottom > 0) {
DLOG("Bottom dock client\n");
cwindow->dock = W_DOCK_BOTTOM;
} else {
DLOG("Ignoring invalid reserved edges (_NET_WM_STRUT_PARTIAL), using position as fallback:\n");
if (geom->y < (int16_t)(search_at->rect.height / 2)) {
DLOG("geom->y = %d < rect.height / 2 = %d, it is a top dock client\n",
geom->y, (search_at->rect.height / 2));
cwindow->dock = W_DOCK_TOP;
} else {
DLOG("geom->y = %d >= rect.height / 2 = %d, it is a bottom dock client\n",
geom->y, (search_at->rect.height / 2));
cwindow->dock = W_DOCK_BOTTOM;
}
}
}
DLOG("Initial geometry: (%d, %d, %d, %d)\n", geom->x, geom->y, geom->width, geom->height);
Con *nc = NULL;
Match *match = NULL;
Assignment *assignment;
/* TODO: two matches for one container */
/* See if any container swallows this new window */
nc = con_for_window(search_at, cwindow, &match);
if (nc == NULL) {
/* If not, check if it is assigned to a specific workspace */
if ((assignment = assignment_for(cwindow, A_TO_WORKSPACE))) {
DLOG("Assignment matches (%p)\n", match);
Con *assigned_ws = workspace_get(assignment->dest.workspace, NULL);
nc = con_descend_tiling_focused(assigned_ws);
DLOG("focused on ws %s: %p / %s\n", assigned_ws->name, nc, nc->name);
if (nc->type == CT_WORKSPACE)
nc = tree_open_con(nc, cwindow);
else
nc = tree_open_con(nc->parent, cwindow);
/* set the urgency hint on the window if the workspace is not visible */
if (!workspace_is_visible(assigned_ws))
urgency_hint = true;
} else if (startup_ws) {
/* If it’s not assigned, but was started on a specific workspace,
* we want to open it there */
DLOG("Using workspace on which this application was started (%s)\n", startup_ws);
nc = con_descend_tiling_focused(workspace_get(startup_ws, NULL));
DLOG("focused on ws %s: %p / %s\n", startup_ws, nc, nc->name);
if (nc->type == CT_WORKSPACE)
nc = tree_open_con(nc, cwindow);
else
nc = tree_open_con(nc->parent, cwindow);
} else {
/* If not, insert it at the currently focused position */
if (focused->type == CT_CON && con_accepts_window(focused)) {
LOG("using current container, focused = %p, focused->name = %s\n",
focused, focused->name);
nc = focused;
} else
nc = tree_open_con(NULL, cwindow);
}
} else {
/* M_BELOW inserts the new window as a child of the one which was
* matched (e.g. dock areas) */
if (match != NULL && match->insert_where == M_BELOW) {
nc = tree_open_con(nc, cwindow);
}
/* If M_BELOW is not used, the container is replaced. This happens with
* "swallows" criteria that are used for stored layouts, in which case
* we need to remove that criterion, because they should only be valid
* once. */
if (match != NULL && match->insert_where != M_BELOW) {
DLOG("Removing match %p from container %p\n", match, nc);
TAILQ_REMOVE(&(nc->swallow_head), match, matches);
match_free(match);
}
}
DLOG("new container = %p\n", nc);
if (nc->window != NULL && nc->window != cwindow) {
if (!restore_kill_placeholder(nc->window->id)) {
DLOG("Uh?! Container without a placeholder, but with a window, has swallowed this to-be-managed window?!\n");
} else {
/* Remove remaining criteria, the first swallowed window wins. */
while (!TAILQ_EMPTY(&(nc->swallow_head))) {
Match *first = TAILQ_FIRST(&(nc->swallow_head));
TAILQ_REMOVE(&(nc->swallow_head), first, matches);
match_free(first);
}
}
}
nc->window = cwindow;
x_reinit(nc);
nc->border_width = geom->border_width;
char *name;
sasprintf(&name, "[i3 con] container around %p", cwindow);
x_set_name(nc, name);
free(name);
/* handle fullscreen containers */
Con *ws = con_get_workspace(nc);
Con *fs = (ws ? con_get_fullscreen_con(ws, CF_OUTPUT) : NULL);
if (fs == NULL)
fs = con_get_fullscreen_con(croot, CF_GLOBAL);
if (xcb_reply_contains_atom(state_reply, A__NET_WM_STATE_FULLSCREEN)) {
/* If this window is already fullscreen (after restarting!), skip
* toggling fullscreen, that would drop it out of fullscreen mode. */
if (fs != nc)
con_toggle_fullscreen(nc, CF_OUTPUT);
fs = NULL;
}
bool set_focus = false;
if (fs == NULL) {
DLOG("Not in fullscreen mode, focusing\n");
if (!cwindow->dock) {
/* Check that the workspace is visible and on the same output as
* the current focused container. If the window was assigned to an
* invisible workspace, we should not steal focus. */
Con *current_output = con_get_output(focused);
Con *target_output = con_get_output(ws);
if (workspace_is_visible(ws) && current_output == target_output) {
if (!match || !match->restart_mode) {
set_focus = true;
} else
DLOG("not focusing, matched with restart_mode == true\n");
} else
DLOG("workspace not visible, not focusing\n");
} else
DLOG("dock, not focusing\n");
} else {
DLOG("fs = %p, ws = %p, not focusing\n", fs, ws);
/* Insert the new container in focus stack *after* the currently
* focused (fullscreen) con. This way, the new container will be
* focused after we return from fullscreen mode */
Con *first = TAILQ_FIRST(&(nc->parent->focus_head));
if (first != nc) {
/* We only modify the focus stack if the container is not already
* the first one. This can happen when existing containers swallow
* new windows, for example when restarting. */
TAILQ_REMOVE(&(nc->parent->focus_head), nc, focused);
TAILQ_INSERT_AFTER(&(nc->parent->focus_head), first, nc, focused);
}
}
/* set floating if necessary */
bool want_floating = false;
if (xcb_reply_contains_atom(type_reply, A__NET_WM_WINDOW_TYPE_DIALOG) ||
xcb_reply_contains_atom(type_reply, A__NET_WM_WINDOW_TYPE_UTILITY) ||
xcb_reply_contains_atom(type_reply, A__NET_WM_WINDOW_TYPE_TOOLBAR) ||
xcb_reply_contains_atom(type_reply, A__NET_WM_WINDOW_TYPE_SPLASH) ||
xcb_reply_contains_atom(state_reply, A__NET_WM_STATE_MODAL) ||
(wm_size_hints.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE &&
wm_size_hints.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE &&
wm_size_hints.min_height == wm_size_hints.max_height &&
wm_size_hints.min_width == wm_size_hints.max_width)) {
LOG("This window is a dialog window, setting floating\n");
want_floating = true;
}
if (xcb_reply_contains_atom(state_reply, A__NET_WM_STATE_STICKY))
nc->sticky = true;
FREE(state_reply);
FREE(type_reply);
if (cwindow->transient_for != XCB_NONE ||
(cwindow->leader != XCB_NONE &&
cwindow->leader != cwindow->id &&
con_by_window_id(cwindow->leader) != NULL)) {
LOG("This window is transient for another window, setting floating\n");
want_floating = true;
if (config.popup_during_fullscreen == PDF_LEAVE_FULLSCREEN &&
fs != NULL) {
LOG("There is a fullscreen window, leaving fullscreen mode\n");
con_toggle_fullscreen(fs, CF_OUTPUT);
} else if (config.popup_during_fullscreen == PDF_SMART &&
fs != NULL &&
fs->window != NULL) {
i3Window *transient_win = cwindow;
while (transient_win != NULL &&
transient_win->transient_for != XCB_NONE) {
if (transient_win->transient_for == fs->window->id) {
LOG("This floating window belongs to the fullscreen window (popup_during_fullscreen == smart)\n");
set_focus = true;
break;
}
Con *next_transient = con_by_window_id(transient_win->transient_for);
if (next_transient == NULL)
break;
/* Some clients (e.g. x11-ssh-askpass) actually set
* WM_TRANSIENT_FOR to their own window id, so break instead of
* looping endlessly. */
if (transient_win == next_transient->window)
break;
transient_win = next_transient->window;
}
}
}
/* dock clients cannot be floating, that makes no sense */
if (cwindow->dock)
want_floating = false;
/* Plasma windows set their geometry in WM_SIZE_HINTS. */
if ((wm_size_hints.flags & XCB_ICCCM_SIZE_HINT_US_POSITION || wm_size_hints.flags & XCB_ICCCM_SIZE_HINT_P_POSITION) &&
(wm_size_hints.flags & XCB_ICCCM_SIZE_HINT_US_SIZE || wm_size_hints.flags & XCB_ICCCM_SIZE_HINT_P_SIZE)) {
DLOG("We are setting geometry according to wm_size_hints x=%d y=%d w=%d h=%d\n",
wm_size_hints.x, wm_size_hints.y, wm_size_hints.width, wm_size_hints.height);
geom->x = wm_size_hints.x;
geom->y = wm_size_hints.y;
geom->width = wm_size_hints.width;
geom->height = wm_size_hints.height;
}
/* Store the requested geometry. The width/height gets raised to at least
* 75x50 when entering floating mode, which is the minimum size for a
* window to be useful (smaller windows are usually overlays/toolbars/…
* which are not managed by the wm anyways). We store the original geometry
* here because it’s used for dock clients. */
if (nc->geometry.width == 0)
nc->geometry = (Rect){geom->x, geom->y, geom->width, geom->height};
if (motif_border_style != BS_NORMAL) {
DLOG("MOTIF_WM_HINTS specifies decorations (border_style = %d)\n", motif_border_style);
if (want_floating) {
con_set_border_style(nc, motif_border_style, config.default_floating_border_width);
} else {
con_set_border_style(nc, motif_border_style, config.default_border_width);
}
}
if (want_floating) {
DLOG("geometry = %d x %d\n", nc->geometry.width, nc->geometry.height);
/* automatically set the border to the default value if a motif border
* was not specified */
bool automatic_border = (motif_border_style == BS_NORMAL);
floating_enable(nc, automatic_border);
}
/* explicitly set the border width to the default */
if (nc->current_border_width == -1) {
nc->current_border_width = (want_floating ? config.default_floating_border_width : config.default_border_width);
}
/* to avoid getting an UnmapNotify event due to reparenting, we temporarily
* declare no interest in any state change event of this window */
values[0] = XCB_NONE;
xcb_change_window_attributes(conn, window, XCB_CW_EVENT_MASK, values);
xcb_void_cookie_t rcookie = xcb_reparent_window_checked(conn, window, nc->frame, 0, 0);
if (xcb_request_check(conn, rcookie) != NULL) {
LOG("Could not reparent the window, aborting\n");
goto geom_out;
}
values[0] = CHILD_EVENT_MASK & ~XCB_EVENT_MASK_ENTER_WINDOW;
xcb_change_window_attributes(conn, window, XCB_CW_EVENT_MASK, values);
xcb_flush(conn);
/* Put the client inside the save set. Upon termination (whether killed or
* normal exit does not matter) of the window manager, these clients will
* be correctly reparented to their most closest living ancestor (=
* cleanup) */
xcb_change_save_set(conn, XCB_SET_MODE_INSERT, window);
/* Check if any assignments match */
run_assignments(cwindow);
/* 'ws' may be invalid because of the assignments, e.g. when the user uses
* "move window to workspace 1", but had it assigned to workspace 2. */
ws = con_get_workspace(nc);
/* If this window was put onto an invisible workspace (via assignments), we
* render this workspace. It wouldn’t be rendered in our normal code path
* because only the visible workspaces get rendered.
*
* By rendering the workspace, we assign proper coordinates (read: not
* width=0, height=0) to the window, which is important for windows who
* actually use them to position their GUI elements, e.g. rhythmbox. */
if (ws && !workspace_is_visible(ws)) {
/* This is a bit hackish: we need to copy the content container’s rect
* to the workspace, because calling render_con() on the content
* container would also take the shortcut and not render the invisible
* workspace at all. However, just calling render_con() on the
* workspace isn’t enough either — it needs the rect. */
ws->rect = ws->parent->rect;
render_con(ws, true);
/* Disable setting focus, otherwise we’d move focus to an invisible
* workspace, which we generally prevent (e.g. in
* con_move_to_workspace). */
set_focus = false;
}
render_con(croot, false);
/* Send an event about window creation */
ipc_send_window_event("new", nc);
if (set_focus && assignment_for(cwindow, A_NO_FOCUS) != NULL) {
/* The first window on a workspace should always be focused. We have to
* compare with == 1 because the container has already been inserted at
* this point. */
if (con_num_children(ws) == 1) {
DLOG("This is the first window on this workspace, ignoring no_focus.\n");
} else {
DLOG("no_focus was set for con = %p, not setting focus.\n", nc);
set_focus = false;
}
}
/* Defer setting focus after the 'new' event has been sent to ensure the
* proper window event sequence. */
if (set_focus && !nc->window->doesnt_accept_focus && nc->mapped) {
DLOG("Now setting focus.\n");
con_focus(nc);
}
tree_render();
/* Windows might get managed with the urgency hint already set (Pidgin is
* known to do that), so check for that and handle the hint accordingly.
* This code needs to be in this part of manage_window() because the window
* needs to be on the final workspace first. */
con_set_urgency(nc, urgency_hint);
geom_out:
free(geom);
out:
free(attr);
return;
}
static VkResult
x11_surface_create_swapchain(VkIcdSurfaceBase *icd_surface,
VkDevice device,
struct wsi_device *wsi_device,
const VkSwapchainCreateInfoKHR *pCreateInfo,
const VkAllocationCallbacks* pAllocator,
const struct wsi_image_fns *image_fns,
struct wsi_swapchain **swapchain_out)
{
struct x11_swapchain *chain;
xcb_void_cookie_t cookie;
VkResult result;
assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR);
const unsigned num_images = pCreateInfo->minImageCount;
size_t size = sizeof(*chain) + num_images * sizeof(chain->images[0]);
chain = vk_alloc(pAllocator, size, 8,
VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
if (chain == NULL)
return VK_ERROR_OUT_OF_HOST_MEMORY;
xcb_connection_t *conn = x11_surface_get_connection(icd_surface);
xcb_window_t window = x11_surface_get_window(icd_surface);
xcb_get_geometry_reply_t *geometry =
xcb_get_geometry_reply(conn, xcb_get_geometry(conn, window), NULL);
if (geometry == NULL)
return VK_ERROR_SURFACE_LOST_KHR;
chain->base.device = device;
chain->base.destroy = x11_swapchain_destroy;
chain->base.get_images = x11_get_images;
chain->base.acquire_next_image = x11_acquire_next_image;
chain->base.queue_present = x11_queue_present;
chain->base.image_fns = image_fns;
chain->base.present_mode = pCreateInfo->presentMode;
chain->conn = conn;
chain->window = window;
chain->depth = geometry->depth;
chain->extent = pCreateInfo->imageExtent;
chain->image_count = num_images;
chain->send_sbc = 0;
chain->last_present_msc = 0;
chain->threaded = false;
chain->status = VK_SUCCESS;
free(geometry);
chain->event_id = xcb_generate_id(chain->conn);
xcb_present_select_input(chain->conn, chain->event_id, chain->window,
XCB_PRESENT_EVENT_MASK_CONFIGURE_NOTIFY |
XCB_PRESENT_EVENT_MASK_COMPLETE_NOTIFY |
XCB_PRESENT_EVENT_MASK_IDLE_NOTIFY);
/* Create an XCB event queue to hold present events outside of the usual
* application event queue
*/
chain->special_event =
xcb_register_for_special_xge(chain->conn, &xcb_present_id,
chain->event_id, NULL);
chain->gc = xcb_generate_id(chain->conn);
if (!chain->gc) {
/* FINISHME: Choose a better error. */
result = VK_ERROR_OUT_OF_HOST_MEMORY;
goto fail_register;
}
cookie = xcb_create_gc(chain->conn,
chain->gc,
chain->window,
XCB_GC_GRAPHICS_EXPOSURES,
(uint32_t []) { 0 });
xcb_discard_reply(chain->conn, cookie.sequence);
uint32_t image = 0;
for (; image < chain->image_count; image++) {
result = x11_image_init(device, chain, pCreateInfo, pAllocator,
&chain->images[image]);
if (result != VK_SUCCESS)
goto fail_init_images;
}
if (chain->base.present_mode == VK_PRESENT_MODE_FIFO_KHR) {
chain->threaded = true;
/* Initialize our queues. We make them image_count + 1 because we will
* occasionally use UINT32_MAX to signal the other thread that an error
* has occurred and we don't want an overflow.
*/
int ret;
ret = wsi_queue_init(&chain->acquire_queue, chain->image_count + 1);
if (ret) {
goto fail_init_images;
}
ret = wsi_queue_init(&chain->present_queue, chain->image_count + 1);
if (ret) {
wsi_queue_destroy(&chain->acquire_queue);
goto fail_init_images;
}
for (unsigned i = 0; i < chain->image_count; i++)
wsi_queue_push(&chain->acquire_queue, i);
ret = pthread_create(&chain->queue_manager, NULL,
x11_manage_fifo_queues, chain);
if (ret) {
wsi_queue_destroy(&chain->present_queue);
wsi_queue_destroy(&chain->acquire_queue);
goto fail_init_images;
}
}
*swapchain_out = &chain->base;
return VK_SUCCESS;
fail_init_images:
for (uint32_t j = 0; j < image; j++)
x11_image_finish(chain, pAllocator, &chain->images[j]);
fail_register:
xcb_unregister_for_special_event(chain->conn, chain->special_event);
vk_free(pAllocator, chain);
return result;
}
static xcb_window_t
recursive_Window_With_Name (
xcb_connection_t *dpy,
xcb_window_t window,
struct wininfo_cookies *cookies,
const char *name)
{
xcb_window_t *children;
unsigned int nchildren;
int i;
xcb_window_t w = 0;
xcb_generic_error_t *err;
xcb_query_tree_reply_t *tree;
struct wininfo_cookies *child_cookies;
xcb_get_property_reply_t *prop;
if (cookies->get_net_wm_name.sequence) {
prop = xcb_get_property_reply (dpy, cookies->get_net_wm_name, &err);
if (prop) {
if (prop->type == atom_utf8_string) {
const char *prop_name = xcb_get_property_value (prop);
int prop_name_len = xcb_get_property_value_length (prop);
/* can't use strcmp, since prop.name is not null terminated */
if (strncmp (prop_name, name, prop_name_len) == 0) {
w = window;
}
}
free (prop);
} else if (err) {
if (err->response_type == 0)
Print_X_Error (dpy, err);
return 0;
}
}
if (w) {
xcb_discard_reply (dpy, cookies->get_wm_name.sequence);
} else {
#ifdef USE_XCB_ICCCM
xcb_get_text_property_reply_t nameprop;
if (xcb_get_wm_name_reply (dpy, cookies->get_wm_name,
&nameprop, &err)) {
/* can't use strcmp, since nameprop.name is not null terminated */
if (strncmp (nameprop.name, name, nameprop.name_len) == 0) {
w = window;
}
xcb_get_text_property_reply_wipe (&nameprop);
}
#else
prop = xcb_get_property_reply (dpy, cookies->get_wm_name, &err);
if (prop) {
if (prop->type == XCB_ATOM_STRING) {
const char *prop_name = xcb_get_property_value (prop);
int prop_name_len = xcb_get_property_value_length (prop);
/* can't use strcmp, since prop.name is not null terminated */
if (strncmp (prop_name, name, prop_name_len) == 0) {
w = window;
}
}
free (prop);
}
#endif
else if (err) {
if (err->response_type == 0)
Print_X_Error (dpy, err);
return 0;
}
}
if (w)
{
xcb_discard_reply (dpy, cookies->query_tree.sequence);
return w;
}
tree = xcb_query_tree_reply (dpy, cookies->query_tree, &err);
if (!tree) {
if (err->response_type == 0)
Print_X_Error (dpy, err);
return 0;
}
nchildren = xcb_query_tree_children_length (tree);
children = xcb_query_tree_children (tree);
child_cookies = calloc(nchildren, sizeof(struct wininfo_cookies));
if (child_cookies == NULL)
Fatal_Error("Failed to allocate memory in recursive_Window_With_Name");
for (i = 0; i < nchildren; i++) {
if (atom_net_wm_name && atom_utf8_string)
child_cookies[i].get_net_wm_name =
xcb_get_net_wm_name (dpy, children[i]);
child_cookies[i].get_wm_name = xcb_get_wm_name (dpy, children[i]);
child_cookies[i].query_tree = xcb_query_tree (dpy, children[i]);
}
xcb_flush (dpy);
for (i = 0; i < nchildren; i++) {
w = recursive_Window_With_Name (dpy, children[i],
&child_cookies[i], name);
if (w)
break;
}
if (w)
{
/* clean up remaining replies */
for (/* keep previous i */; i < nchildren; i++) {
if (child_cookies[i].get_net_wm_name.sequence)
xcb_discard_reply (dpy,
child_cookies[i].get_net_wm_name.sequence);
xcb_discard_reply (dpy, child_cookies[i].get_wm_name.sequence);
xcb_discard_reply (dpy, child_cookies[i].query_tree.sequence);
}
}
free (child_cookies);
free (tree); /* includes storage for children[] */
return (w);
}
static bool
dri3_set_drawable(struct vl_dri3_screen *scrn, Drawable drawable)
{
xcb_get_geometry_cookie_t geom_cookie;
xcb_get_geometry_reply_t *geom_reply;
xcb_void_cookie_t cookie;
xcb_generic_error_t *error;
bool ret = true;
assert(drawable);
if (scrn->drawable == drawable)
return true;
scrn->drawable = drawable;
geom_cookie = xcb_get_geometry(scrn->conn, scrn->drawable);
geom_reply = xcb_get_geometry_reply(scrn->conn, geom_cookie, NULL);
if (!geom_reply)
return false;
scrn->width = geom_reply->width;
scrn->height = geom_reply->height;
scrn->depth = geom_reply->depth;
free(geom_reply);
if (scrn->special_event) {
xcb_unregister_for_special_event(scrn->conn, scrn->special_event);
scrn->special_event = NULL;
cookie = xcb_present_select_input_checked(scrn->conn, scrn->eid,
scrn->drawable,
XCB_PRESENT_EVENT_MASK_NO_EVENT);
xcb_discard_reply(scrn->conn, cookie.sequence);
}
scrn->is_pixmap = false;
scrn->eid = xcb_generate_id(scrn->conn);
cookie =
xcb_present_select_input_checked(scrn->conn, scrn->eid, scrn->drawable,
XCB_PRESENT_EVENT_MASK_CONFIGURE_NOTIFY |
XCB_PRESENT_EVENT_MASK_COMPLETE_NOTIFY |
XCB_PRESENT_EVENT_MASK_IDLE_NOTIFY);
error = xcb_request_check(scrn->conn, cookie);
if (error) {
if (error->error_code != BadWindow)
ret = false;
else {
scrn->is_pixmap = true;
if (scrn->front_buffer) {
dri3_free_front_buffer(scrn, scrn->front_buffer);
scrn->front_buffer = NULL;
}
}
free(error);
} else
scrn->special_event =
xcb_register_for_special_xge(scrn->conn, &xcb_present_id, scrn->eid, 0);
dri3_flush_present_events(scrn);
return ret;
}
