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Store previous gain/pan values to restore to sliders when we init a new kit

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This commit is contained in:
Nick Lanham 2012-02-17 14:18:53 +01:00
parent 72205464a9
commit 7c178e31cc
1 changed files with 18 additions and 2 deletions
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20
drmr_ui.c
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@ -37,6 +37,8 @@ typedef struct {
GtkListStore *kit_store; GtkListStore *kit_store;
GtkWidget** gain_sliders; GtkWidget** gain_sliders;
GtkWidget** pan_sliders; GtkWidget** pan_sliders;
float *gain_vals,*pan_vals;
int cols; int cols;
int samples; int samples;
@ -87,7 +89,11 @@ static void fill_sample_table(DrMrUi* ui, int samples, GtkWidget** gain_sliders,
if (gain_sliders) gain_sliders[si] = gain_slider; if (gain_sliders) gain_sliders[si] = gain_slider;
gtk_range_set_inverted(GTK_RANGE(gain_slider),true); gtk_range_set_inverted(GTK_RANGE(gain_slider),true);
gtk_scale_set_value_pos(GTK_SCALE(gain_slider),GTK_POS_BOTTOM); gtk_scale_set_value_pos(GTK_SCALE(gain_slider),GTK_POS_BOTTOM);
gtk_range_set_value(GTK_RANGE(gain_slider),0.0);
if (si < 32)
gtk_range_set_value(GTK_RANGE(gain_slider),ui->gain_vals[si]);
else // things are gross if we have > 32 samples, what to do?
gtk_range_set_value(GTK_RANGE(gain_slider),0.0);
g_signal_connect(G_OBJECT(gain_slider),"change-value",G_CALLBACK(gain_callback),ui); g_signal_connect(G_OBJECT(gain_slider),"change-value",G_CALLBACK(gain_callback),ui);
gtk_scale_set_digits(GTK_SCALE(gain_slider),1); gtk_scale_set_digits(GTK_SCALE(gain_slider),1);
gtk_scale_add_mark(GTK_SCALE(gain_slider),0.0,GTK_POS_RIGHT,"0 dB"); gtk_scale_add_mark(GTK_SCALE(gain_slider),0.0,GTK_POS_RIGHT,"0 dB");
@ -98,7 +104,10 @@ static void fill_sample_table(DrMrUi* ui, int samples, GtkWidget** gain_sliders,
pan_slider = gtk_hscale_new_with_range(-1.0,1.0,0.1); pan_slider = gtk_hscale_new_with_range(-1.0,1.0,0.1);
if (pan_sliders) pan_sliders[si] = pan_slider; if (pan_sliders) pan_sliders[si] = pan_slider;
gtk_range_set_value(GTK_RANGE(pan_slider),0); if (si < 32)
gtk_range_set_value(GTK_RANGE(pan_slider),ui->pan_vals[si]);
else
gtk_range_set_value(GTK_RANGE(pan_slider),0);
g_object_set_qdata (G_OBJECT(pan_slider),ui->pan_quark,GINT_TO_POINTER(si)); g_object_set_qdata (G_OBJECT(pan_slider),ui->pan_quark,GINT_TO_POINTER(si));
gtk_scale_add_mark(GTK_SCALE(pan_slider),0.0,GTK_POS_TOP,NULL); gtk_scale_add_mark(GTK_SCALE(pan_slider),0.0,GTK_POS_TOP,NULL);
g_signal_connect(G_OBJECT(pan_slider),"change-value",G_CALLBACK(pan_callback),ui); g_signal_connect(G_OBJECT(pan_slider),"change-value",G_CALLBACK(pan_callback),ui);
@ -308,6 +317,11 @@ instantiate(const LV2UI_Descriptor* descriptor,
ui->pan_quark = g_quark_from_string("drmr_pan_quark"); ui->pan_quark = g_quark_from_string("drmr_pan_quark");
ui->gain_sliders = NULL; ui->gain_sliders = NULL;
ui->pan_sliders = NULL; ui->pan_sliders = NULL;
// store previous gain/pan vals to re-apply to sliders when we
// change kits
ui->gain_vals = malloc(32*sizeof(float));
ui->pan_vals = malloc(32*sizeof(float));
ui->cols = 4; ui->cols = 4;
fill_kit_combo(ui->kit_combo, ui->kits); fill_kit_combo(ui->kit_combo, ui->kits);
@ -371,6 +385,7 @@ port_event(LV2UI_Handle handle,
if (ui->gain_sliders) { if (ui->gain_sliders) {
float gain = *(float*)buffer; float gain = *(float*)buffer;
int idx = index-DRMR_GAIN_ONE; int idx = index-DRMR_GAIN_ONE;
ui->gain_vals[idx] = gain;
if (idx < ui->samples) { if (idx < ui->samples) {
struct slider_callback_data* data = malloc(sizeof(struct slider_callback_data)); struct slider_callback_data* data = malloc(sizeof(struct slider_callback_data));
data->range = GTK_RANGE(ui->gain_sliders[idx]); data->range = GTK_RANGE(ui->gain_sliders[idx]);
@ -386,6 +401,7 @@ port_event(LV2UI_Handle handle,
if (ui->pan_sliders) { if (ui->pan_sliders) {
float pan = *(float*)buffer; float pan = *(float*)buffer;
int idx = index-DRMR_PAN_ONE; int idx = index-DRMR_PAN_ONE;
ui->pan_vals[idx] = pan;
if (idx < ui->samples) { if (idx < ui->samples) {
struct slider_callback_data* data = malloc(sizeof(struct slider_callback_data)); struct slider_callback_data* data = malloc(sizeof(struct slider_callback_data));
data->range = GTK_RANGE(ui->pan_sliders[idx]); data->range = GTK_RANGE(ui->pan_sliders[idx]);