/* Sets new volume, expects new_vol to be within [0,100] range. */
bool set_new_volume(
struct sound_profile* sp,
long int new_vol,
bool relative_inc,
bool set_default_vol,
bool toggle_vol,
bool use_semaphore,
enum Volume_type volume_type)
{
/* XXX: Checking new_vol limits */
if (relative_inc) {
if (new_vol < 0 || new_vol > 100) {
fprintf(stderr, "Cannot set volume which is not in range [0,100]: %li\n", new_vol);
return false;
}
} else if ((new_vol < -100 || new_vol > 100) && !set_default_vol && !toggle_vol) {
fprintf(stderr, "Cannot set volume which is not in range [-100,100]: %li\n", new_vol);
return false;
}
/* **************************** */
sem_t *sem = NULL; /* Semaphore which is used if USE_SEMAPHORE is true */
if (use_semaphore && !check_semaphore(&sem)) return false;
/* Change new volume to native range */
PD_M("set_new_volume: new vol [-100,100], relative or toggling: %li\n", new_vol);
if (set_default_vol) {
// Set default volume
PD_M("set_new_volume: setting default vol..\n");
set_vol(sp->volume_cntrl_mixer_element, sp->volume_type, sp->default_volume, 0);
} else if (toggle_vol) {
// toggle volume
PD_M("set_new_volume: toggling..\n");
toggle_volume(sp, new_vol, volume_type);
} else {
/* Change absolute and relative volumes */
/* First check if relative volume */
if (relative_inc || new_vol < 0) {
if (new_vol != 0) {
PD_M("set_new_volume: Relative vol change...\n");
long int current_vol = 0;
// Change volume relative to current volume
get_vol(sp->volume_cntrl_mixer_element, volume_type, ¤t_vol);
// By setting the round direction we always guarantee that
// some change happens.
int round_direction = new_vol < 0 ? -1 : 1;
set_vol(sp->volume_cntrl_mixer_element, volume_type, current_vol + new_vol, round_direction);
}
} else {
// Change absolute volume
PD_M("set_new_volume: Changing absolute volume: %li\n", new_vol);
set_vol(sp->volume_cntrl_mixer_element, volume_type, new_vol, 0);
}
}
if (use_semaphore && !check_semaphore(&sem)) return false;
return true;
}
static void
mute_menuitem_toggled_cb (GtkCheckMenuItem *checkmenuitem,
gpointer user_data)
{
toggle_volume ();
}