void
_ecore_x_randr_init(const xcb_query_extension_reply_t *reply)
{
#ifdef ECORE_XCB_RANDR
if (reply && (reply->present))
_ecore_xcb_randr_init_cookie = xcb_randr_query_version_unchecked(_ecore_xcb_conn, 1, 2);
#endif /* ECORE_XCB_RANDR */
}
void Extensions::init()
{
xcb_connection_t *c = connection();
xcb_prefetch_extension_data(c, &xcb_shape_id);
xcb_prefetch_extension_data(c, &xcb_randr_id);
xcb_prefetch_extension_data(c, &xcb_damage_id);
xcb_prefetch_extension_data(c, &xcb_composite_id);
xcb_prefetch_extension_data(c, &xcb_xfixes_id);
xcb_prefetch_extension_data(c, &xcb_render_id);
xcb_prefetch_extension_data(c, &xcb_sync_id);
m_shape.name = QByteArray("SHAPE");
m_randr.name = QByteArray("RANDR");
m_damage.name = QByteArray("DAMAGE");
m_composite.name = QByteArray("Composite");
m_fixes.name = QByteArray("XFIXES");
m_render.name = QByteArray("RENDER");
m_sync.name = QByteArray("SYNC");
extensionQueryReply(xcb_get_extension_data(c, &xcb_shape_id), &m_shape);
extensionQueryReply(xcb_get_extension_data(c, &xcb_randr_id), &m_randr);
extensionQueryReply(xcb_get_extension_data(c, &xcb_damage_id), &m_damage);
extensionQueryReply(xcb_get_extension_data(c, &xcb_composite_id), &m_composite);
extensionQueryReply(xcb_get_extension_data(c, &xcb_xfixes_id), &m_fixes);
extensionQueryReply(xcb_get_extension_data(c, &xcb_render_id), &m_render);
extensionQueryReply(xcb_get_extension_data(c, &xcb_sync_id), &m_sync);
// extension specific queries
xcb_shape_query_version_cookie_t shapeVersion;
xcb_randr_query_version_cookie_t randrVersion;
xcb_damage_query_version_cookie_t damageVersion;
xcb_composite_query_version_cookie_t compositeVersion;
xcb_xfixes_query_version_cookie_t xfixesVersion;
xcb_render_query_version_cookie_t renderVersion;
xcb_sync_initialize_cookie_t syncVersion;
if (m_shape.present) {
shapeVersion = xcb_shape_query_version_unchecked(c);
}
if (m_randr.present) {
randrVersion = xcb_randr_query_version_unchecked(c, RANDR_MAX_MAJOR, RANDR_MAX_MINOR);
}
if (m_damage.present) {
damageVersion = xcb_damage_query_version_unchecked(c, DAMAGE_MAX_MAJOR, DAMAGE_MIN_MAJOR);
}
if (m_composite.present) {
compositeVersion = xcb_composite_query_version_unchecked(c, COMPOSITE_MAX_MAJOR, COMPOSITE_MAX_MINOR);
}
if (m_fixes.present) {
xfixesVersion = xcb_xfixes_query_version_unchecked(c, XFIXES_MAX_MAJOR, XFIXES_MAX_MINOR);
}
if (m_render.present) {
renderVersion = xcb_render_query_version_unchecked(c, RENDER_MAX_MAJOR, RENDER_MAX_MINOR);
}
if (m_sync.present) {
syncVersion = xcb_sync_initialize(c, SYNC_MAX_MAJOR, SYNC_MAX_MINOR);
}
// handle replies
if (m_shape.present) {
initVersion<xcb_shape_query_version_reply_t>(shapeVersion, &xcb_shape_query_version_reply, &m_shape);
}
if (m_randr.present) {
initVersion<xcb_randr_query_version_reply_t>(randrVersion, &xcb_randr_query_version_reply, &m_randr);
}
if (m_damage.present) {
initVersion<xcb_damage_query_version_reply_t>(damageVersion, &xcb_damage_query_version_reply, &m_damage);
}
if (m_composite.present) {
initVersion<xcb_composite_query_version_reply_t>(compositeVersion, &xcb_composite_query_version_reply, &m_composite);
}
if (m_fixes.present) {
initVersion<xcb_xfixes_query_version_reply_t>(xfixesVersion, &xcb_xfixes_query_version_reply, &m_fixes);
}
if (m_render.present) {
initVersion<xcb_render_query_version_reply_t>(renderVersion, &xcb_render_query_version_reply, &m_render);
}
if (m_sync.present) {
initVersion<xcb_sync_initialize_reply_t>(syncVersion, &xcb_sync_initialize_reply, &m_sync);
}
kDebug(1212) << "Extensions: shape: 0x" << QString::number(m_shape.version, 16)
<< " composite: 0x" << QString::number(m_composite.version, 16)
<< " render: 0x" << QString::number(m_render.version, 16)
<< " fixes: 0x" << QString::number(m_fixes.version, 16)
<< " randr: 0x" << QString::number(m_randr.version, 16)
<< " sync: 0x" << QString::number(m_sync.version, 16)
<< " damage: 0x " << QString::number(m_damage.version, 16) << endl;
}
static void init_xcb()
{
const xcb_query_extension_reply_t *qer;
const xcb_setup_t *setup;
xcb_screen_t *screen;
xcb_screen_iterator_t screen_iter;
xcb_drawable_t win;
guint num_screens;
guint i;
xcb_generic_error_t *err = NULL;
/* Open xcb connection */
conn = xcb_connect(gdk_get_display_arg_name(), NULL);
if (xcb_connection_has_error(conn)) {
g_error("Failed to connect to display\n");
exit(EXIT_FAILURE);
}
/* query the version to prevent error 16 when setting config */
xcb_randr_query_version_unchecked(conn, 1, 5);
qer = xcb_get_extension_data(conn, &xcb_randr_id);
if (!qer || !qer->present) {
g_error("RandR extension missing\n");
exit(EXIT_FAILURE);
}
randr_base = qer->first_event;
xcb_source = g_xcb_source_new_for_connection(NULL, conn);
g_xcb_source_set_event_callback(xcb_source, on_xcb_event, NULL);
/* get the screens */
setup = xcb_get_setup(conn);
screen_iter = xcb_setup_roots_iterator(setup);
num_screens = setup->roots_len;
/* Set up space for cookies */
xcb_randr_get_screen_info_cookie_t get_screen_info_cookies[num_screens];
for (i = 0; i < num_screens; i++) {
/* Get root window */
screen = screen_iter.data;
win = screen->root;
/* Register for screen change events */
xcb_randr_select_input(conn, win, XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
/* Get screen info */
get_screen_info_cookies[i] =
xcb_randr_get_screen_info_unchecked(conn, win);
xcb_screen_next(&screen_iter);
}
/* TODO: detect adding and removal of screens */
xcb_flush(conn);
/* Get screen info replies */
for (i = 0; i < num_screens; i++) {
xcb_randr_get_screen_info_reply_t *reply =
xcb_randr_get_screen_info_reply(conn,
get_screen_info_cookies[i], &err);
if (err) {
g_warning("Error getting info for screen %u\n", i);
err = NULL;
continue;
}
add_screen(reply);
free(reply);
}
xcb_flush(conn);
}
