Changeset c0757e1f in mainline for uspace/srv/hid/display/cfgops.c

Timestamp:

2023-04-19T11:13:06Z (20 months ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

master, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

37087c8

Parents:

ec8ef12

Message:

UI display configuration utility

In addition to the command-line utility 'disp', we introduce its UI
equivalent 'display-cfg'. Currently this allows the user to configure
seats in a very comfortable way.

File:

• uspace/srv/hid/display/cfgops.c (modified) (3 diffs)

uspace/srv/hid/display/cfgops.c

@@ -50 +50 @@
 static errno_t dispc_dev_assign(void *, sysarg_t, sysarg_t);
 static errno_t dispc_dev_unassign(void *, sysarg_t);
+static errno_t dispc_get_asgn_dev_list(void *, sysarg_t, dispcfg_dev_list_t **);
 static errno_t dispc_get_event(void *, dispcfg_ev_t *);
 
@@ -59 +60 @@
         .dev_assign = dispc_dev_assign,
         .dev_unassign = dispc_dev_unassign,
+        .get_asgn_dev_list = dispc_get_asgn_dev_list,
         .get_event = dispc_get_event,
 };
@@ -281 +283 @@
 }
 
+/** Get assigned device list.
+ *
+ * @param arg Argument (CFG client)
+ * @param seat_id Seat ID
+ * @param rlist Place to store pointer to new list
+ * @return EOK on success or an error code
+ */
+static errno_t dispc_get_asgn_dev_list(void *arg, sysarg_t seat_id,
+    dispcfg_dev_list_t **rlist)
+{
+        ds_cfgclient_t *cfgclient = (ds_cfgclient_t *)arg;
+        dispcfg_dev_list_t *list;
+        ds_seat_t *seat;
+        ds_idevcfg_t *idevcfg;
+        unsigned i;
+
+        log_msg(LOG_DEFAULT, LVL_DEBUG, "dispcfg_get_asgn_dev_list()");
+
+        list = calloc(1, sizeof(dispcfg_dev_list_t));
+        if (list == NULL)
+                return ENOMEM;
+
+        ds_display_lock(cfgclient->display);
+
+        seat = ds_display_find_seat(cfgclient->display, seat_id);
+        if (seat == NULL) {
+                ds_display_unlock(cfgclient->display);
+                free(list);
+                return ENOENT;
+        }
+
+        /* Count the number of devices */
+        list->ndevs = 0;
+        idevcfg = ds_seat_first_idevcfg(seat);
+        while (idevcfg != NULL) {
+                ++list->ndevs;
+                idevcfg = ds_display_next_idevcfg(idevcfg);
+        }
+
+        /* Allocate array for device IDs */
+        list->devs = calloc(list->ndevs, sizeof(sysarg_t));
+        if (list->devs == NULL) {
+                ds_display_unlock(cfgclient->display);
+                free(list);
+                return ENOMEM;
+        }
+
+        /* Fill in device IDs */
+        i = 0;
+        idevcfg = ds_seat_first_idevcfg(seat);
+        while (idevcfg != NULL) {
+                list->devs[i++] = idevcfg->svc_id;
+                idevcfg = ds_display_next_idevcfg(idevcfg);
+        }
+
+        ds_display_unlock(cfgclient->display);
+        *rlist = list;
+        return EOK;
+}
+
 /** Get display configuration event.
  *