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Make midi base note a control

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This commit is contained in:
Nick Lanham
2012-02-14 15:39:53 +01:00
parent f109726bd7
commit d76a3fcee4
4 changed files with 130 additions and 73 deletions
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52
drmr_ui.c
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@@ -31,6 +31,7 @@ typedef struct {
GtkWidget *drmr_widget;
GtkTable *sample_table;
GtkComboBox *kit_combo;
GtkLabel *base_label;
GtkListStore *kit_store;
GtkWidget** gain_sliders;
GtkWidget** pan_sliders;
@@ -122,7 +123,7 @@ static void fill_sample_table(DrMrUi* ui, int samples, GtkWidget** gain_sliders,
}
}
void kit_combobox_changed(GtkComboBox* box, gpointer data) {
static void kit_combobox_changed(GtkComboBox* box, gpointer data) {
DrMrUi* ui = (DrMrUi*)data;
gint new_kit = gtk_combo_box_get_active (GTK_COMBO_BOX(box));
float fkit = (float)new_kit;
@@ -130,6 +131,28 @@ void kit_combobox_changed(GtkComboBox* box, gpointer data) {
ui->write(ui->controller,DRMR_KITNUM,4,0,&fkit);
}
static const char* nstrs = "C C#D D#E F F#G G#A A#B ";
static char baseLabelBuf[32];
static void setBaseLabel(int noteIdx) {
int oct = (noteIdx/12)-1;
int nmt = (noteIdx%12)*2;
snprintf(baseLabelBuf,32,"Midi Base Note <b>(%c%c%i)</b>:",
nstrs[nmt],nstrs[nmt+1],oct);
}
static void base_changed(GtkSpinButton *base_spin, gpointer data) {
DrMrUi* ui = (DrMrUi*)data;
float base = (float)gtk_spin_button_get_value(base_spin);
if (base >= 21.0f && base <= 107.0f) {
setBaseLabel((int)base);
ui->write(ui->controller,DRMR_BASENOTE,4,0,&base);
gtk_label_set_markup(ui->base_label,baseLabelBuf);
}
else
fprintf(stderr,"Base spin got out of range: %f\n",base);
}
static void fill_kit_combo(GtkComboBox* combo, kits* kits) {
int i;
GtkTreeIter iter;
@@ -142,15 +165,16 @@ static void fill_kit_combo(GtkComboBox* combo, kits* kits) {
static void build_drmr_ui(DrMrUi* ui) {
GtkWidget *drmr_ui_widget;
GtkWidget *kit_hbox, *kit_combo_box, *kit_label;
GtkWidget *opts_hbox, *kit_combo_box, *kit_label, *base_label, *base_spin;
GtkCellRenderer *cell_rend;
GtkAdjustment *base_adj;
drmr_ui_widget = gtk_vbox_new(false,0);
g_object_set(drmr_ui_widget,"border-width",6,NULL);
ui->kit_store = gtk_list_store_new(1,G_TYPE_STRING);
kit_hbox = gtk_hbox_new(false,0);
opts_hbox = gtk_hbox_new(false,0);
kit_combo_box = gtk_combo_box_new_with_model(GTK_TREE_MODEL(ui->kit_store));
kit_label = gtk_label_new("Kit:");
@@ -158,19 +182,35 @@ static void build_drmr_ui(DrMrUi* ui) {
gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(kit_combo_box), cell_rend, true);
gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(kit_combo_box), cell_rend,"text",0,NULL);
gtk_box_pack_start(GTK_BOX(kit_hbox),kit_label,
base_label = gtk_label_new("Midi Base Note <b>(C 2)</b>:");
gtk_label_set_use_markup(GTK_LABEL(base_label),true);
base_adj = GTK_ADJUSTMENT
(gtk_adjustment_new(36.0, // val
21.0,107.0, // min/max
1.0, // step
5.0,5.0)); // page adj/size
base_spin = gtk_spin_button_new(base_adj, 1.0, 0);
gtk_box_pack_start(GTK_BOX(opts_hbox),kit_label,
false,false,15);
gtk_box_pack_start(GTK_BOX(kit_hbox),kit_combo_box,
gtk_box_pack_start(GTK_BOX(opts_hbox),kit_combo_box,
true,true,0);
gtk_box_pack_start(GTK_BOX(drmr_ui_widget),kit_hbox,
gtk_box_pack_start(GTK_BOX(opts_hbox),base_label,
false,false,15);
gtk_box_pack_start(GTK_BOX(opts_hbox),base_spin,
true,true,0);
gtk_box_pack_start(GTK_BOX(drmr_ui_widget),opts_hbox,
false,false,5);
ui->drmr_widget = drmr_ui_widget;
ui->sample_table = NULL;
ui->kit_combo = GTK_COMBO_BOX(kit_combo_box);
ui->base_label = GTK_LABEL(base_label);
g_signal_connect(G_OBJECT(kit_combo_box),"changed",G_CALLBACK(kit_combobox_changed),ui);
g_signal_connect(G_OBJECT(base_spin),"value-changed",G_CALLBACK(base_changed),ui);
gtk_widget_show_all(drmr_ui_widget);
}