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-rw-r--r--src/blueshift_iccprofile.c212
1 files changed, 212 insertions, 0 deletions
diff --git a/src/blueshift_iccprofile.c b/src/blueshift_iccprofile.c
new file mode 100644
index 0000000..152b547
--- /dev/null
+++ b/src/blueshift_iccprofile.c
@@ -0,0 +1,212 @@
+/**
+ * Copyright © 2014 Mattias Andrée (maandree@member.fsf.org)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#define _GNU_SOURCE /* for strcasestr */
+#include <stdlib.h>
+#include <stdio.h>
+#include <alloca.h>
+#include <string.h>
+
+#include <xcb/xcb.h>
+
+
+
+/**
+ * Connection to the X server
+ */
+static xcb_connection_t* connection;
+
+/**
+ * Used to store errors in
+ */
+static xcb_generic_error_t* error;
+
+
+
+/**
+ * Main entry point of the program
+ *
+ * @param argc Length of `argv`
+ * @param argv Command line arguments
+ * @return Zero on success
+ */
+int main(int argc, char** argv)
+{
+ const xcb_setup_t* setup;
+ xcb_screen_iterator_t iter;
+ int screen_count;
+ xcb_screen_t* screens;
+ int screen_i;
+
+ (void) argc;
+ (void) argv;
+
+
+ /* Get X connection */
+
+ connection = xcb_connect(NULL, NULL);
+
+
+ /* Get screen information */
+
+ setup = xcb_get_setup(connection);
+ iter = xcb_setup_roots_iterator(setup);
+ screen_count = iter.rem;
+ screens = iter.data;
+
+ for (screen_i = 0; screen_i < screen_count; screen_i++)
+ {
+ xcb_screen_t* screen = screens + screen_i;
+ xcb_list_properties_cookie_t list_cookie;
+ xcb_list_properties_reply_t* list_reply;
+ xcb_atom_t* atoms;
+ xcb_atom_t* atoms_end;
+
+
+ /* Get root window properties */
+
+ list_cookie = xcb_list_properties(connection, screen->root);
+ list_reply = xcb_list_properties_reply(connection, list_cookie, &error);
+
+ if (error)
+ {
+ fprintf(stderr, "Screen root window property list query returned %i\n", error->error_code);
+ xcb_disconnect(connection);
+ return 1;
+ }
+
+ atoms = xcb_list_properties_atoms(list_reply);
+ atoms_end = atoms + xcb_list_properties_atoms_length(list_reply);
+
+ for (; atoms != atoms_end; atoms++)
+ {
+ xcb_get_atom_name_cookie_t name_cookie;
+ xcb_get_atom_name_reply_t* name_reply;
+ char* name;
+ char* name_;
+ int len;
+ xcb_get_property_cookie_t prop_cookie;
+ xcb_get_property_reply_t* prop_reply;
+ int monitor;
+
+
+ /* Get root window property name */
+
+ name_cookie = xcb_get_atom_name(connection, *atoms);
+ name_reply = xcb_get_atom_name_reply(connection, name_cookie, &error);
+
+ if (error)
+ {
+ fprintf(stderr, "Screen root window property name query returned %i\n", error->error_code);
+ free(list_reply);
+ xcb_disconnect(connection);
+ return 1;
+ }
+
+ name_ = xcb_get_atom_name_name(name_reply);
+ len = xcb_get_atom_name_name_length(name_reply);
+
+ name = alloca((len + 1) * sizeof(char));
+ memcpy(name, name_, len * sizeof(char));
+ *(name + len) = 0;
+ free(name_reply);
+
+
+ /* Check property name pattern */
+
+ if (!strcmp(name, "_icc_profile"))
+ monitor = 0;
+ else if (strcasestr(name, "_icc_profile_") == name)
+ {
+ name += strlen("_icc_profile_");
+ monitor = 0;
+ if (*name)
+ continue;
+ while (*name)
+ {
+ char c = *name;
+ if (('0' <= c) && (c <= '9'))
+ monitor = monitor * 10 - (c & 15);
+ else
+ goto monitor_bad;
+ }
+ monitor = -monitor;
+ goto monitor_ok;
+
+ monitor_bad:
+ continue;
+ }
+ else
+ continue;
+
+
+ /* Get root window property value */
+
+ monitor_ok:
+ prop_cookie = xcb_get_property(connection, 0, screen->root, *atoms, XCB_GET_PROPERTY_TYPE_ANY, 0, 0);
+ prop_reply = xcb_get_property_reply(connection, prop_cookie, &error);
+
+ if (error)
+ {
+ fprintf(stderr, "Screen root window property value query returned %i\n", error->error_code);
+ free(prop_reply);
+ free(list_reply);
+ xcb_disconnect(connection);
+ return 1;
+ }
+
+ len = prop_reply->bytes_after;
+ free(prop_reply);
+
+ prop_cookie = xcb_get_property(connection, 0, screen->root, *atoms, XCB_GET_PROPERTY_TYPE_ANY, 0, len);
+ prop_reply = xcb_get_property_reply(connection, prop_cookie, &error);
+
+ if (error)
+ {
+ fprintf(stderr, "Screen root window property value query returned %i\n", error->error_code);
+ free(prop_reply);
+ free(list_reply);
+ xcb_disconnect(connection);
+ return 1;
+ }
+
+ {
+ char* value = alloca((len + 1) * sizeof(char));
+ char* value_ = xcb_get_property_value(prop_reply);
+
+ memcpy(value, value_, len);
+ *(value + len) = 0;
+
+ printf("%i: %i: %s", screen_i, monitor, value);
+ fflush(stdout);
+ putchar('\0');
+ putchar('\n');
+ }
+
+ free(prop_reply);
+ }
+
+ free(list_reply);
+ }
+
+ fflush(stdout);
+
+ /* Free resources **/
+
+ xcb_disconnect(connection);
+ return 0;
+}
+