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-rw-r--r--NEWS3
-rw-r--r--src/jalv_console.c42
2 files changed, 41 insertions, 4 deletions
diff --git a/NEWS b/NEWS
index ad51310..84505da 100644
--- a/NEWS
+++ b/NEWS
@@ -1,13 +1,14 @@
jalv (1.4.7) unstable;
* Set Jack port order metadata
+ * Add command prompt to console version for changing controls
* Exit on Jack shutdown (Patch from Robin Gareus)
* Report Jack latency (Patch from Robin Gareus)
* Exit GUI versions on interrupt
* Fix semaphore correctness issues
* Use moc-qt4 if present for systems with multiple Qt versions
- -- David Robillard <d@drobilla.net> Sat, 21 Feb 2015 23:26:19 -0500
+ -- David Robillard <d@drobilla.net> Thu, 05 Mar 2015 23:18:11 -0500
jalv (1.4.6) stable;
diff --git a/src/jalv_console.c b/src/jalv_console.c
index 0632098..79cde0f 100644
--- a/src/jalv_console.c
+++ b/src/jalv_console.c
@@ -116,6 +116,30 @@ jalv_native_ui_type(Jalv* jalv)
return NULL;
}
+static void
+jalv_process_command(Jalv* jalv, const char* cmd)
+{
+ char sym[64];
+ float value;
+ if (sscanf(cmd, "%[a-zA-Z0-9] = %f", sym, &value) == 2) {
+ struct Port* port = NULL;
+ for (uint32_t i = 0; i < jalv->num_ports; ++i) {
+ struct Port* p = &jalv->ports[i];
+ const LilvNode* s = lilv_port_get_symbol(jalv->plugin, p->lilv_port);
+ if (!strcmp(lilv_node_as_string(s), sym)) {
+ port = p;
+ break;
+ }
+ }
+ if (port) {
+ port->control = value;
+ printf("%-*s = %f\n", jalv->longest_sym, sym, value);
+ } else {
+ fprintf(stderr, "error: no port `%s'\n", sym);
+ }
+ }
+}
+
int
jalv_open_ui(Jalv* jalv)
{
@@ -142,10 +166,22 @@ jalv_open_ui(Jalv* jalv)
show_iface->hide(suil_instance_get_handle(jalv->ui_instance));
- // Caller waits on the done sem, so increment it again to exit
- zix_sem_post(jalv->done);
- }
+ } else {
+ // Primitive command prompt for setting control values
+ while (!zix_sem_try_wait(jalv->done)) {
+ char line[128];
+ printf("> ");
+ if (fgets(line, sizeof(line), stdin)) {
+ jalv_process_command(jalv, line);
+ } else {
+ break;
+ }
+ }
+ }
+ // Caller waits on the done sem, so increment it again to exit
+ zix_sem_post(jalv->done);
+
return 0;
}