/**
* The x server was changed
*/
static bool xshm_server_changed(obs_properties_t *props,
obs_property_t *p, obs_data_t *settings)
{
UNUSED_PARAMETER(p);
bool advanced = obs_data_get_bool(settings, "advanced");
int_fast32_t old_screen = obs_data_get_int(settings, "screen");
const char *server = obs_data_get_string(settings, "server");
obs_property_t *screens = obs_properties_get(props, "screen");
/* we want a real NULL here in case there is no string here */
server = (advanced && *server) ? server : NULL;
obs_property_list_clear(screens);
Display *dpy = XOpenDisplay(server);
if (!dpy) {
obs_property_set_enabled(screens, false);
return true;
}
struct dstr screen_info;
dstr_init(&screen_info);
bool xinerama = xinerama_is_active(dpy);
int_fast32_t count = (xinerama) ?
xinerama_screen_count(dpy) : XScreenCount(dpy);
for (int_fast32_t i = 0; i < count; ++i) {
int_fast32_t x, y, w, h;
x = y = w = h = 0;
if (xinerama)
xinerama_screen_geo(dpy, i, &x, &y, &w, &h);
else
x11_screen_geo(dpy, i, &w, &h);
dstr_printf(&screen_info, "Screen %"PRIuFAST32" (%"PRIuFAST32
"x%"PRIuFAST32" @ %"PRIuFAST32
",%"PRIuFAST32")", i, w, h, x, y);
obs_property_list_add_int(screens, screen_info.array, i);
}
/* handle missing screen */
if (old_screen + 1 > count) {
dstr_printf(&screen_info, "Screen %"PRIuFAST32" (not found)",
old_screen);
size_t index = obs_property_list_add_int(screens,
screen_info.array, old_screen);
obs_property_list_item_disable(screens, index, true);
}
dstr_free(&screen_info);
XCloseDisplay(dpy);
obs_property_set_enabled(screens, true);
return true;
}
/**
* Update the capture
*
* @return < 0 on error, 0 when size is unchanged, > 1 on size change
*/
static int_fast32_t xshm_update_geometry(struct xshm_data *data,
obs_data_t settings)
{
int_fast32_t old_width = data->width;
int_fast32_t old_height = data->height;
int_fast32_t screen = obs_data_get_int(settings, "screen");
if (data->use_xinerama) {
if (xinerama_screen_geo(data->dpy, screen,
&data->x_org, &data->y_org,
&data->width, &data->height) < 0) {
return -1;
}
data->screen = XDefaultScreenOfDisplay(data->dpy);
}
else {
data->x_org = 0;
data->y_org = 0;
if (x11_screen_geo(data->dpy, screen,
&data->width, &data->height) < 0) {
return -1;
}
data->screen = XScreenOfDisplay(data->dpy, screen);
}
if (!data->width || !data->height) {
blog(LOG_ERROR, "xshm-input: Failed to get geometry");
return -1;
}
blog(LOG_INFO, "xshm-input: Geometry %"PRIdFAST32"x%"PRIdFAST32
" @ %"PRIdFAST32",%"PRIdFAST32,
data->width, data->height, data->x_org, data->y_org);
if (old_width == data->width && old_height == data->height)
return 0;
return 1;
}
/**
* Update the capture
*
* @return < 0 on error, 0 when size is unchanged, > 1 on size change
*/
static int_fast32_t xshm_update_geometry(struct xshm_data *data)
{
int_fast32_t old_width = data->width;
int_fast32_t old_height = data->height;
if (data->use_xinerama) {
if (xinerama_screen_geo(data->xcb, data->screen_id,
&data->x_org, &data->y_org,
&data->width, &data->height) < 0) {
return -1;
}
data->xcb_screen = xcb_get_screen(data->xcb, 0);
}
else {
data->x_org = 0;
data->y_org = 0;
if (x11_screen_geo(data->xcb, data->screen_id,
&data->width, &data->height) < 0) {
return -1;
}
data->xcb_screen = xcb_get_screen(data->xcb, data->screen_id);
}
if (!data->width || !data->height) {
blog(LOG_ERROR, "Failed to get geometry");
return -1;
}
blog(LOG_INFO, "Geometry %"PRIdFAST32"x%"PRIdFAST32
" @ %"PRIdFAST32",%"PRIdFAST32,
data->width, data->height, data->x_org, data->y_org);
if (old_width == data->width && old_height == data->height)
return 0;
return 1;
}