diff options
Diffstat (limited to 'src/randr.c')
| -rw-r--r-- | src/randr.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/src/randr.c b/src/randr.c index 54f0fc1..99ac9ec 100644 --- a/src/randr.c +++ b/src/randr.c @@ -122,17 +122,35 @@ randr_crtc_set_temperature(xcb_connection_t *conn, xcb_randr_crtc_t crtc, } int -randr_set_temperature(int temp, float gamma[3]) +randr_set_temperature(int screen_num, int temp, float gamma[3]) { xcb_generic_error_t *error; /* Open X server connection */ - xcb_connection_t *conn = xcb_connect(NULL, NULL); + int preferred_screen; + xcb_connection_t *conn = xcb_connect(NULL, &preferred_screen); + + if (screen_num < 0) screen_num = preferred_screen; - /* Get first screen */ + /* Get screen */ const xcb_setup_t *setup = xcb_get_setup(conn); xcb_screen_iterator_t iter = xcb_setup_roots_iterator(setup); - xcb_screen_t *screen = iter.data; + xcb_screen_t *screen = NULL; + + for (int i = 0; iter.rem > 0; i++) { + if (i == screen_num) { + screen = iter.data; + break; + } + xcb_screen_next(&iter); + } + + if (screen == NULL) { + fprintf(stderr, "Screen %i could not be found.\n", + screen_num); + xcb_disconnect(conn); + return -1; + } /* Get list of CRTCs for the screen */ xcb_randr_get_screen_resources_current_cookie_t res_cookie = |