robert/alsa-scarlett-gui
Archived
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add configurable taper to GtkDial

Browse Source 
The taper was previously set to a log function which matched the
Clarett volume knob. Add linear option to match the Scarlett 4th Gen
input gain knobs and hardware level meters.
This commit is contained in:
Geoffrey D. Bennett
2024-01-17 16:03:56 +10:30
parent 189b9ff6f6
commit 492c348897
7 changed files with 83 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/widget-gain.c
View File

@@ -57,7 +57,11 @@ static void gain_updated(
}
//GList *make_gain_alsa_elem(struct alsa_elem *elem) {
GtkWidget *make_gain_alsa_elem(struct alsa_elem *elem, int zero_is_off) {
GtkWidget *make_gain_alsa_elem(
struct alsa_elem *elem,
int zero_is_off,
int widget_taper
) {
struct gain *data = g_malloc(sizeof(struct gain));
data->elem = elem;
data->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
@@ -78,6 +82,16 @@ GtkWidget *make_gain_alsa_elem(struct alsa_elem *elem, int zero_is_off) {
gtk_dial_set_zero_db(GTK_DIAL(data->dial), zero_db_value);
// convert from widget_taper to gtk_dial_taper
int gtk_dial_taper;
if (widget_taper == WIDGET_GAIN_TAPER_LINEAR)
gtk_dial_taper = GTK_DIAL_TAPER_LINEAR;
else if (widget_taper == WIDGET_GAIN_TAPER_LOG)
gtk_dial_taper = GTK_DIAL_TAPER_LOG;
else
gtk_dial_taper = GTK_DIAL_TAPER_LINEAR;
gtk_dial_set_taper(GTK_DIAL(data->dial), gtk_dial_taper);
data->label = gtk_label_new(NULL);
gtk_widget_set_vexpand(data->dial, TRUE);