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drumrox_ui.cpp
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/* drumrox.h
* LV2 Drumrox plugin
* 2023 Peter Semiletov
* based on DrMr
* Copyright 2012 Nick Lanham <[email protected]>
* and Filipe Coelho's DrMr fork (https://github.com/falkTX/drmr).
*
* GPL Public License v3
* THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <limits.h>
#include <stdlib.h>
#include <iostream>
#include <gtk/gtk.h>
#include <gdk/gdk.h>
#include <lv2/lv2plug.in/ns/ext/atom/atom.h>
#include <lv2/lv2plug.in/ns/ext/atom/forge.h>
#include <lv2/lv2plug.in/ns/ext/atom/util.h>
#include <lv2/lv2plug.in/ns/ext/urid/urid.h>
#include <lv2/lv2plug.in/ns/extensions/ui/ui.h>
#include "drumrox.h"
#include "nknob.h"
#include "dsp.h"
#include "utl.h"
//#include <gdk/gdkx.h>
#ifndef DRUMROX_MULTI
#define DRUMROX_UI_URI "https://github.com/psemiletov/drumrox#ui"
#else
#define DRUMROX_UI_URI "https://github.com/psemiletov/drumrox-multi#ui"
#endif
#define NO_KIT_STRING "[No Current Kit]"
class CDrumroxGTKGUI
{
public:
LV2UI_Write_Function write;
LV2UI_Controller controller;
LV2_Atom_Forge forge;
LV2_URID_Map *map;
SDrumroxUris uris;
GdkColor color;
GtkWidget *drumrox_widget;
GtkLabel *current_kit_label;
GtkWidget *kit_image;
GtkTable *sample_table;
GtkComboBox *kit_combo;
GtkWidget *no_kit_label;
GtkSpinButton *base_spin;
GtkLabel *base_label;
GtkListStore *kit_store;
GtkWidget* buttons[32];
#ifndef DRUMROX_MULTI
GtkWidget** gain_sliders;
GtkWidget** pan_sliders;
//GtkWidget** frames;
float *gain_vals;
float *pan_vals;
GtkWidget *panlaw_combo_box;
#endif
// GtkWidget** notify_leds;
GtkWidget *velocity_checkbox;
GtkWidget *note_off_checkbox;
gchar *bundle_path;
int cols;
int panlaw;
gboolean forceUpdate;
int samples_count;
int baseNote;
#ifndef DRUMROX_MULTI
GQuark gain_quark, pan_quark;
#endif
GQuark trigger_quark;
int current_kit_index; //current kit index
int kitReq;
CHydrogenKitsScanner kits;
};
//static GdkPixbuf *led_on_pixbuf = NULL, *led_off_pixbuf = NULL;
#ifndef DRUMROX_MULTI
static gboolean gain_callback (GtkRange* range, GtkScrollType type, gdouble value, gpointer data)
{
CDrumroxGTKGUI* ui = (CDrumroxGTKGUI*)data;
int gidx = GPOINTER_TO_INT(g_object_get_qdata(G_OBJECT(range),ui->gain_quark));
float gain = (float)value;
ui->gain_vals[gidx] = gain;
ui->write (ui->controller, gidx + DRUMROX_GAIN_01, 4, 0, &gain);
return FALSE;
}
static gboolean pan_callback (GtkRange* range, GtkScrollType type, gdouble value, gpointer data)
{
CDrumroxGTKGUI* ui = (CDrumroxGTKGUI*)data;
int pidx = GPOINTER_TO_INT(g_object_get_qdata(G_OBJECT(range), ui->pan_quark));
float pan = (float)value;
ui->pan_vals[pidx] = pan;
ui->write (ui->controller, pidx + DRUMROX_PAN_01, 4, 0, &pan);
return FALSE;
}
#endif
static void send_ui_msg (CDrumroxGTKGUI* ui, void (*add_data)(CDrumroxGTKGUI* ui, gpointer data), gpointer data)
{
//std::cout << "send_ui_msg\n";
LV2_Atom_Forge_Frame set_frame;
uint8_t msg_buf[1024];
lv2_atom_forge_set_buffer (&ui->forge, msg_buf, 1024);
LV2_Atom *msg = (LV2_Atom*)lv2_atom_forge_object(&ui->forge, &set_frame, 1, ui->uris.ui_msg);
(*add_data)(ui, data);
lv2_atom_forge_pop (&ui->forge, &set_frame);
ui->write (ui->controller, DRUMROX_CONTROL, lv2_atom_total_size(msg), ui->uris.atom_eventTransfer, msg);
}
static void led_data (CDrumroxGTKGUI *ui, gpointer data)
{
lv2_atom_forge_property_head (&ui->forge, ui->uris.sample_trigger, 0);
lv2_atom_forge_int (&ui->forge, GPOINTER_TO_INT(data));
}
static void ignore_velocity_data (CDrumroxGTKGUI* ui, gpointer data)
{
lv2_atom_forge_property_head (&ui->forge, ui->uris.velocity_toggle, 0);
lv2_atom_forge_bool(&ui->forge, gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(data)));
}
static void ignore_note_off_data (CDrumroxGTKGUI* ui, gpointer data)
{
lv2_atom_forge_property_head (&ui->forge, ui->uris.note_off_toggle,0);
lv2_atom_forge_bool(&ui->forge, gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(data)));
}
static gboolean trigger_button_clicked (GtkWidget *widget, GdkEvent *event, gpointer data)
{
CDrumroxGTKGUI* ui = (CDrumroxGTKGUI*)data;
send_ui_msg (ui, &led_data, g_object_get_qdata(G_OBJECT(widget), ui->trigger_quark));
return FALSE;
}
static gboolean ignore_velocity_toggled (GtkToggleButton *button, gpointer data)
{
CDrumroxGTKGUI* ui = (CDrumroxGTKGUI*)data;
send_ui_msg (ui, &ignore_velocity_data, button);
return FALSE;
}
static gboolean ignore_note_off_toggled (GtkToggleButton *button, gpointer data)
{
CDrumroxGTKGUI* ui = (CDrumroxGTKGUI*)data;
send_ui_msg (ui, &ignore_note_off_data, button);
return FALSE;
}
#ifndef DRUMROX_MULTI
static void fill_sample_table (CDrumroxGTKGUI* ui, int samples_count, int kit_index, GtkWidget** gain_sliders, GtkWidget** pan_sliders)
{
//std::cout << "fill_sample_table\n";
if (samples_count == 0)
return;
int row = 0;
int col = 0;
int rows = (samples_count / ui->cols);
if (samples_count % ui->cols != 0)
rows++;
gtk_table_resize (ui->sample_table, rows, ui->cols);
for (int si = 0; si < samples_count; si++)
{
GtkWidget *vbox, *hbox, *gain_vbox, *pan_vbox, *frame;
GtkWidget *button_box;
GtkWidget* gain_slider;
GtkWidget* pan_slider;
GtkWidget* gain_label;
GtkWidget* pan_label;
gboolean slide_expand;
GtkWidget* button;
//const char *sample_name = ui->kits.v_scanned_kits[kit_index]->v_samples[si]->name.c_str();
// std::cout << "*sample_name::::::::: " << sample_name << std::endl;
// snprintf (buf, 128, "<b>%s</b> (%i)", sample_name, si);
/*
button = gtk_button_new_with_label (sample_name);
ui->buttons[si] = button;
*/
GtkWidget *label = gtk_label_new ("");
std::string caption = "<b>" + ui->kits.v_scanned_kits[kit_index]->v_samples[si]->name + "</b>";
gtk_label_set_markup (GTK_LABEL (label), caption.c_str());
button = gtk_button_new();
gtk_container_add (GTK_CONTAINER (button), label);
ui->buttons[si] = button;
g_signal_connect(G_OBJECT(ui->buttons[si]),"button-press-event", G_CALLBACK(trigger_button_clicked),ui);
g_object_set_qdata(G_OBJECT(ui->buttons[si]), ui->trigger_quark, GINT_TO_POINTER(si));
frame = gtk_frame_new (NULL);
//gtk_label_set_use_markup (GTK_LABEL(gtk_frame_get_label_widget(GTK_FRAME(frame))),true);
gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_OUT);
vbox = gtk_vbox_new (false, 3);
hbox = gtk_hbox_new (true, 3);
//gtk_box_set_homogeneous (GTK_BOX (hbox), true);
//gtk_box_set_homogeneous (GTK_BOX (vbox), true);
#ifdef NO_NKNOB
// gain_slider = gtk_vscale_new_with_range(GAIN_MIN,6.0,1);
gain_slider = gtk_vscale_new_with_range (GAIN_MIN, 6.0, 0.1);
gtk_widget_set_usize (gain_slider, -1, 64);
gtk_scale_set_value_pos(GTK_SCALE(gain_slider),GTK_POS_BOTTOM);
// gtk_scale_set_digits(GTK_SCALE(gain_slider),1);
gtk_scale_set_digits(GTK_SCALE(gain_slider),2);
gtk_scale_add_mark(GTK_SCALE(gain_slider),0.0,GTK_POS_RIGHT,"0 dB");
// Hrmm, -inf label is at top in ardour for some reason
//gtk_scale_add_mark(GTK_SCALE(gain_slider),GAIN_MIN,GTK_POS_RIGHT,"-inf");
gtk_range_set_inverted (GTK_RANGE(gain_slider), true);
slide_expand = true;
#else
// gain_slider = n_knob_new_with_range(0.0,GAIN_MIN,6.0,1.0);
gain_slider = n_knob_new_with_range (0.0, GAIN_MIN, 6.0, 0.1);
n_knob_set_load_prefix(N_KNOB(gain_slider),ui->bundle_path);
gtk_widget_set_has_tooltip(gain_slider,TRUE);
slide_expand = false;
#endif
g_object_set_qdata (G_OBJECT(gain_slider), ui->gain_quark, GINT_TO_POINTER(si));
if (gain_sliders)
gain_sliders[si] = gain_slider;
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);
gain_label = gtk_label_new ("Gain");
gain_vbox = gtk_vbox_new (false, 1);
#ifdef NO_NKNOB
pan_slider = gtk_hscale_new_with_range (0, 1.0, 0.1);
gtk_scale_add_mark(GTK_SCALE(pan_slider), 0.0, GTK_POS_TOP,NULL);
#else
pan_slider = n_knob_new_with_range (0.5, 0, 1.0, 0.1);
n_knob_set_load_prefix(N_KNOB(pan_slider),ui->bundle_path);
gtk_widget_set_has_tooltip(pan_slider,TRUE);
#endif
if (pan_sliders)
pan_sliders[si] = pan_slider;
if (si < 32)
gtk_range_set_value (GTK_RANGE(pan_slider), (gdouble) ui->pan_vals[si]);
else
gtk_range_set_value (GTK_RANGE(pan_slider), 0.5f);
g_object_set_qdata (G_OBJECT(pan_slider),ui->pan_quark,GINT_TO_POINTER(si));
g_signal_connect (G_OBJECT(pan_slider),"change-value",G_CALLBACK(pan_callback),ui);
pan_label = gtk_label_new ("Pan");
pan_vbox = gtk_vbox_new (false, 1);
gtk_box_pack_start(GTK_BOX(gain_vbox), gain_slider, slide_expand, slide_expand, 0);
gtk_box_pack_start(GTK_BOX(gain_vbox), gain_label, false, false, 0);
gtk_box_pack_start(GTK_BOX(pan_vbox), pan_slider, slide_expand, slide_expand, 0);
gtk_box_pack_start(GTK_BOX(pan_vbox), pan_label, false, false,0);
gtk_box_pack_start(GTK_BOX(hbox), gain_vbox, false, false, 0);
gtk_box_pack_start(GTK_BOX(hbox), pan_vbox, false, false, 0);
gtk_box_pack_start(GTK_BOX(vbox), button, true, false, 0);
//gtk_container_add(GTK_CONTAINER(led_event_box),led);
//gtk_box_pack_start(GTK_BOX(hbox), led_event_box, true, false, 0);
gtk_box_pack_start(GTK_BOX(vbox), hbox, true, false, 0);
// gtk_box_pack_start(GTK_BOX(button_box),led_event_box,false,false,0);
// gtk_box_pack_start(GTK_BOX(button_box),gtk_label_new(""),true,true,0);
//gtk_box_pack_start(GTK_BOX(hbox),button_box,false,false,0);
g_object_set (vbox,"border-width", 1, NULL);
gtk_container_add (GTK_CONTAINER(frame),vbox);
gtk_table_attach_defaults (ui->sample_table, frame, col, col + 1, row, row + 1);
col++;
if (col >= ui->cols)
{
row++;
col = 0;
}
}
gtk_widget_queue_resize (GTK_WIDGET(ui->sample_table));
//gtk_widget_set_usize(GTK_WIDGET(ui->drumrox_widget), 640, 480);
// gtk_widget_set_size_request (ui->drumrox_widget, 320,-1);
/*
gtk_widget_set_usize(your_widget, -1, -1);
gtk_widget_set_usize(your_widget, new_x_size, new_y_size);
*/
}
#else
static void fill_sample_table (CDrumroxGTKGUI* ui, int samples_count, int kit_index)
{
// std::cout << "fill_sample_table\n";
if (samples_count == 0)
return;
int row = 0;
int col = 0;
gchar buf[64];
int rows = (samples_count / ui->cols);
// int rows = (samples / 6);
if (samples_count % ui->cols != 0)
rows++;
gtk_table_resize (ui->sample_table, rows, ui->cols);
for (int si = 0; si < samples_count; si++)
{
GtkWidget *frame, *vbox, *hbox;
GtkWidget *button_box;
gboolean slide_expand;
// GtkWidget* button;
//const char *sample_name = ui->kits.v_scanned_kits[kit_index]->v_samples[si]->name.c_str();
// std::cout << "*sample_name::::::::: " << sample_name << std::endl;
//snprintf (buf, 128, "<b>%s</b> (%i)", sample_name, si);
//button = gtk_button_new_with_label (sample_name);
//ui->buttons[si] = button;
GtkWidget *label = gtk_label_new ("");
std::string caption = "<b>" + ui->kits.v_scanned_kits[kit_index]->v_samples[si]->name + "</b>";
gtk_label_set_markup (GTK_LABEL (label), caption.c_str());
GtkWidget* button = gtk_button_new();
gtk_container_add (GTK_CONTAINER (button), label);
ui->buttons[si] = button;
g_signal_connect(G_OBJECT(ui->buttons[si]),"button-press-event", G_CALLBACK(trigger_button_clicked),ui);
g_object_set_qdata(G_OBJECT(ui->buttons[si]), ui->trigger_quark, GINT_TO_POINTER(si));
//snprintf (buf, 64, "<b>%s</b> (%i)", sample_name, si);
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type(GTK_FRAME(frame),GTK_SHADOW_OUT);
vbox = gtk_vbox_new (false, 3);
hbox = gtk_hbox_new (true, 3);
gtk_box_pack_start(GTK_BOX(vbox), button, true, false, 0);
gtk_box_pack_start(GTK_BOX(vbox), hbox, true, false, 0);
g_object_set(vbox,"border-width", 1, NULL);
gtk_container_add (GTK_CONTAINER(frame),vbox);
gtk_table_attach_defaults (ui->sample_table, frame, col, col + 1, row, row + 1);
col++;
if (col >= ui->cols)
{
row++;
col = 0;
}
}
gtk_widget_queue_resize (GTK_WIDGET(ui->sample_table));
}
#endif
static gboolean unset_bg (gpointer data)
{
GtkWidget *w = (GtkWidget *)data;
gtk_widget_modify_bg (w, GTK_STATE_NORMAL, NULL);
return FALSE;
}
static void sample_triggered (CDrumroxGTKGUI *ui, int si)
{
if (si < ui->samples_count)
{
gtk_widget_modify_bg (ui->buttons[si], GTK_STATE_NORMAL, &ui->color);
g_timeout_add(200,unset_bg, ui->buttons[si]);
}
}
static const char* nstrs = "C C#D D#E F F#G G#A A#B ";
static char baseLabelBuf[128];
static void setBaseLabel (int noteIdx)
{
int oct = (noteIdx / 12) - 1;
int nmt = (noteIdx % 12) * 2;
snprintf (baseLabelBuf, 128, "Midi Base Note <b>(%c%c%i)</b>:", nstrs[nmt], nstrs[nmt + 1], oct);
}
static void base_changed (GtkSpinButton *base_spin, gpointer data)
{
//std::cout << "static void base_changed (\n";
CDrumroxGTKGUI* ui = (CDrumroxGTKGUI*)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, DRUMROX_BASENOTE, 4, 0, &base);
gtk_label_set_markup (ui->base_label, baseLabelBuf);
ui->baseNote = (int)base;
}
else
fprintf(stderr, "Base spin got out of range: %f\n", base);
}
static void fill_kit_combo (GtkComboBox* combo, std::vector <std::string> v_kits_names)
{
std::cout << "void fill_kit_combo \n";
if (v_kits_names.size() == 0)
return;
GtkTreeIter iter;
GtkListStore *store = GTK_LIST_STORE (gtk_combo_box_get_model(combo));
for (size_t i = 0; i < v_kits_names.size(); i++)
{
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter, 0, v_kits_names[i].c_str(), -1);
}
}
static gboolean idle = FALSE;
#ifndef DRUMROX_MULTI
static gboolean kit_callback (gpointer data)
{
std::cout << "gboolean kit_callback \n";
CDrumroxGTKGUI* ui = (CDrumroxGTKGUI*)data;
if (ui->forceUpdate || (ui->kitReq != ui->current_kit_index))
{
ui->forceUpdate = false;
int samples_count; //samples count in the kit (kitReq index)
samples_count = ui->kits.v_scanned_kits[ui->kitReq]->v_samples.size();
GtkWidget** gain_sliders;
GtkWidget** pan_sliders;
if (ui->sample_table)
{
gain_sliders = ui->gain_sliders;
pan_sliders = ui->pan_sliders;
ui->samples_count = 0;
ui->gain_sliders = NULL;
ui->pan_sliders = NULL;
for (size_t i = 0; i < 32; i++)
ui->buttons[i] = NULL;
if (gain_sliders)
free (gain_sliders);
if (pan_sliders)
free (pan_sliders);
gtk_widget_destroy(GTK_WIDGET(ui->sample_table));
ui->sample_table = NULL;
}
if (samples_count > 0)
{
ui->sample_table = GTK_TABLE (gtk_table_new (1, 1, false));
gtk_table_set_col_spacings (ui->sample_table, 3);
gtk_table_set_row_spacings (ui->sample_table, 3);
gain_sliders = (GtkWidget**) malloc (samples_count * sizeof (GtkWidget*));
pan_sliders = (GtkWidget**) malloc (samples_count * sizeof (GtkWidget*));
fill_sample_table (ui, samples_count, ui->kitReq, gain_sliders, pan_sliders);
gtk_box_pack_start(GTK_BOX(ui->drumrox_widget),GTK_WIDGET(ui->sample_table), true,true,5);
gtk_box_reorder_child(GTK_BOX(ui->drumrox_widget),GTK_WIDGET(ui->sample_table), 1);
gtk_widget_show_all(GTK_WIDGET(ui->sample_table));
ui->samples_count = samples_count;
ui->gain_sliders = gain_sliders;
ui->pan_sliders = pan_sliders;
// gtk_label_set_text(ui->current_kit_label,ui->kits->kits[ui->kitReq].name);
gtk_label_set_text (ui->current_kit_label, ui->kits.v_scanned_kits[ui->kitReq]->kit_name.c_str());
std::string kitimg = ui->kits.v_scanned_kits[ui->kitReq]->image_fname;
if (! kitimg.empty())
{
if (file_exists (kitimg))
{
GdkPixbuf *pix = gdk_pixbuf_new_from_file_at_size (kitimg.c_str(), 192, -1, NULL);
gtk_image_set_from_pixbuf ((GtkImage*)ui->kit_image, pix);
}
}
else
gtk_image_clear ((GtkImage*)ui->kit_image);
ui->current_kit_index = ui->kitReq;
gtk_combo_box_set_active(ui->kit_combo, ui->current_kit_index); //SETS CURRENT KIT
gtk_widget_show(GTK_WIDGET(ui->kit_combo));
gtk_widget_hide(ui->no_kit_label);
}
else
{
gtk_widget_show (ui->no_kit_label);
gtk_label_set_text (ui->current_kit_label, NO_KIT_STRING);
gtk_widget_hide (GTK_WIDGET(ui->kit_combo));
}
}
idle = FALSE;
return FALSE; // don't keep calling
}
#else
static gboolean kit_callback (gpointer data)
{
std::cout << "gboolean kit_callback \n";
CDrumroxGTKGUI* ui = (CDrumroxGTKGUI*)data;
if (ui->forceUpdate || (ui->kitReq != ui->current_kit_index))
{
ui->forceUpdate = false;
for (size_t i = 0; i < 32; i++)
ui->buttons[i] = NULL;
int samples_count; //samples count in the kit (kitReq index)
samples_count = ui->kits.v_scanned_kits[ui->kitReq]->v_samples.size();
if (ui->sample_table)
{
ui->samples_count = 0;
gtk_widget_destroy (GTK_WIDGET(ui->sample_table));
ui->sample_table = NULL;
}
if (samples_count > 0)
{
ui->sample_table = GTK_TABLE (gtk_table_new (1, 1, false));
gtk_table_set_col_spacings (ui->sample_table, 3);
gtk_table_set_row_spacings (ui->sample_table, 3);
fill_sample_table (ui, samples_count, ui->kitReq);
gtk_box_pack_start(GTK_BOX(ui->drumrox_widget),GTK_WIDGET(ui->sample_table), true,true,5);
gtk_box_reorder_child(GTK_BOX(ui->drumrox_widget),GTK_WIDGET(ui->sample_table), 1);
gtk_widget_show_all(GTK_WIDGET(ui->sample_table));
ui->samples_count = samples_count;
gtk_label_set_text (ui->current_kit_label, ui->kits.v_scanned_kits[ui->kitReq]->kit_name.c_str());
std::string kitimg = ui->kits.v_scanned_kits[ui->kitReq]->image_fname;
if (! kitimg.empty())
{
if (file_exists (kitimg))
{
GdkPixbuf *pix = gdk_pixbuf_new_from_file_at_size (kitimg.c_str(), 192, -1, NULL);
gtk_image_set_from_pixbuf ((GtkImage*)ui->kit_image, pix);
}
}
else
gtk_image_clear ((GtkImage*)ui->kit_image);
ui->current_kit_index = ui->kitReq;
gtk_combo_box_set_active (ui->kit_combo, ui->current_kit_index); //SETS CURRENT KIT
gtk_widget_show (GTK_WIDGET(ui->kit_combo));
gtk_widget_hide (ui->no_kit_label);
}
else
{
gtk_widget_show (ui->no_kit_label);
gtk_label_set_text (ui->current_kit_label, NO_KIT_STRING);
gtk_widget_hide (GTK_WIDGET(ui->kit_combo));
}
}
idle = FALSE;
return FALSE; // don't keep calling
}
#endif
/*
* called when Kit combobox changed
*/
static LV2_Atom* build_path_message (CDrumroxGTKGUI *ui, const char* path)
{
// std::cout << "LV2_Atom* build_path_message: " << path << std::endl;
LV2_Atom_Forge_Frame set_frame;
LV2_Atom* msg = (LV2_Atom*) lv2_atom_forge_object (&ui->forge, &set_frame, 1, ui->uris.ui_msg);
lv2_atom_forge_property_head (&ui->forge, ui->uris.kit_path, 0);
lv2_atom_forge_path (&ui->forge, path, strlen(path));
lv2_atom_forge_pop (&ui->forge, &set_frame);
return msg;
}
static LV2_Atom* build_get_state_message (CDrumroxGTKGUI *ui)
{
// std::cout << "LV2_Atom* build_get_state_message\n";
LV2_Atom_Forge_Frame set_frame;
LV2_Atom* msg = (LV2_Atom*) lv2_atom_forge_object (&ui->forge, &set_frame, 1, ui->uris.get_state);
lv2_atom_forge_pop (&ui->forge, &set_frame);
return msg;
}
static void kit_combobox_changed (GtkComboBox* box, gpointer data)
{
// std::cout << "void kit_combobox_changed \n";
CDrumroxGTKGUI* ui = (CDrumroxGTKGUI*)data;
gint new_kit_index = gtk_combo_box_get_active (GTK_COMBO_BOX(box));
if (ui->current_kit_index != new_kit_index)
{
uint8_t msg_buf[1024];
lv2_atom_forge_set_buffer(&ui->forge, msg_buf, 1024);
LV2_Atom *msg = build_path_message (ui, ui->kits.v_scanned_kits[new_kit_index]->kit_filename.c_str());
// std::cout << "ui->kits.v_scanned_kits[new_kit_index]->kit_xml_filename: " << ui->kits.v_scanned_kits[new_kit_index]->kit_filename << std::endl;
ui->write (ui->controller, DRUMROX_CONTROL, lv2_atom_total_size(msg), ui->uris.atom_eventTransfer, msg);
}
}
#ifndef DRUMROX_MULTI
static void panlaw_data (CDrumroxGTKGUI *ui, gpointer data)
{
lv2_atom_forge_property_head (&ui->forge, ui->uris.panlaw, 0);
lv2_atom_forge_int(&ui->forge, GPOINTER_TO_INT(data));
}
static void panlaw_combobox_changed (GtkComboBox* box, gpointer data)
{
CDrumroxGTKGUI* ui = (CDrumroxGTKGUI*)data;
gint i = gtk_combo_box_get_active (GTK_COMBO_BOX(box));
if (i != ui->panlaw)
{
ui->panlaw = i;
send_ui_msg (ui, &panlaw_data, GINT_TO_POINTER(i));
}
}
static GtkWidget *create_panlaw_combo (void)
{
GtkWidget *combo;
GtkListStore *list_store;
GtkCellRenderer *cell;
GtkTreeIter iter;
list_store = gtk_list_store_new (1, G_TYPE_STRING);
gtk_list_store_append(list_store, &iter);
gtk_list_store_set (list_store, &iter, 0, "sin/cos panner, law: -3 dB", -1);
gtk_list_store_append(list_store, &iter);
gtk_list_store_set (list_store, &iter, 0, "square root panner, law: -3 dB", -1);
gtk_list_store_append(list_store, &iter);
gtk_list_store_set (list_store, &iter, 0, "linear panner, law: 0 dB", -1);
gtk_list_store_append(list_store, &iter);
gtk_list_store_set (list_store, &iter, 0, "linear panner, law: -6 dB", -1);
combo = gtk_combo_box_new_with_model (GTK_TREE_MODEL(list_store));
gtk_combo_box_set_active (GTK_COMBO_BOX(combo),0);
g_object_unref (list_store);
cell = gtk_cell_renderer_text_new();
gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combo), cell, TRUE);
gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combo), cell, "text", 0, NULL);
return combo;
}
#endif
static gulong expose_id;
static gboolean expose_callback (GtkWidget *widget, GdkEventExpose *event, gpointer data)
{
std::cout << "gboolean expose_callback \n";
CDrumroxGTKGUI* ui = (CDrumroxGTKGUI*)data;
uint8_t msg_buf[1024];
lv2_atom_forge_set_buffer (&ui->forge, msg_buf, 1024);
LV2_Atom *msg = build_get_state_message(ui);
ui->write (ui->controller, DRUMROX_CONTROL, lv2_atom_total_size(msg), ui->uris.atom_eventTransfer, msg);
g_signal_handler_disconnect (widget, expose_id);
return FALSE;
}
#define PADVAL 5
#ifndef DRUMROX_MULTI
static void build_drumrox_ui (CDrumroxGTKGUI* ui)
{
//std::cout << "void build_drumrox_ui \n";
GtkWidget *drumrox_ui_widget;
GtkWidget *opts_hbox1;
GtkWidget *opts_hbox2;
GtkWidget *kit_combo_box;
GtkWidget *kit_label;
GtkWidget *no_kit_label;
GtkWidget *base_label;
GtkWidget *base_spin;
GtkWidget *panlaw_label;
GtkCellRenderer *cell_rend;
GtkAdjustment *base_adj;
PangoAttrList *attr_lst;
PangoAttribute *attr;
for (size_t i = 0; i < 32; i++)
ui->buttons[i] = NULL;
drumrox_ui_widget = gtk_vbox_new (false, 0);
expose_id = g_signal_connect (drumrox_ui_widget, "expose-event", G_CALLBACK (expose_callback), ui);
g_object_set (drumrox_ui_widget, "border-width", 2, NULL);
ui->kit_store = gtk_list_store_new (1, G_TYPE_STRING);
ui->current_kit_label = GTK_LABEL (gtk_label_new(NO_KIT_STRING));
attr = pango_attr_weight_new (PANGO_WEIGHT_HEAVY);
attr_lst = pango_attr_list_new();
pango_attr_list_insert (attr_lst, attr);
gtk_label_set_attributes (ui->current_kit_label, attr_lst);
pango_attr_list_unref(attr_lst);
ui->kit_image = gtk_image_new();
opts_hbox1 = gtk_hbox_new (false,0);
opts_hbox2 = 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:");
no_kit_label = gtk_label_new ("<b>No/Invalid Kit Selected</b>");
gtk_label_set_use_markup (GTK_LABEL (no_kit_label), true);
cell_rend = gtk_cell_renderer_text_new();
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);
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
5.0,0.0)); // page adj/size
base_spin = gtk_spin_button_new (base_adj, 1.0, 0);
panlaw_label = gtk_label_new ("Panning mode");
ui->panlaw_combo_box = create_panlaw_combo();
ui->velocity_checkbox = gtk_check_button_new_with_label("Ignore Velocity");
ui->note_off_checkbox = gtk_check_button_new_with_label("Ignore Note Off");
gtk_box_pack_start (GTK_BOX(opts_hbox1), kit_label, false, false, PADVAL);
gtk_box_pack_start (GTK_BOX(opts_hbox1),no_kit_label, true,true,0);
gtk_box_pack_start (GTK_BOX(opts_hbox1),kit_combo_box, true,true,0);
gtk_box_pack_start (GTK_BOX(opts_hbox1),base_label, false,false,PADVAL);
gtk_box_pack_start (GTK_BOX(opts_hbox1),base_spin, true,true,0);
gtk_box_pack_start(GTK_BOX(opts_hbox2),panlaw_label, false,false,PADVAL);
gtk_box_pack_start(GTK_BOX(opts_hbox2),ui->panlaw_combo_box, false,false,0);
gtk_box_pack_start(GTK_BOX(opts_hbox2),ui->velocity_checkbox, true,true,PADVAL);
gtk_box_pack_start(GTK_BOX(opts_hbox2),ui->note_off_checkbox, true,true,PADVAL);
gtk_box_pack_start(GTK_BOX(drumrox_ui_widget),GTK_WIDGET(ui->current_kit_label), false,false,5);
gtk_box_pack_start(GTK_BOX(drumrox_ui_widget),GTK_WIDGET(ui->kit_image), false,false,5);
gtk_box_pack_start(GTK_BOX(drumrox_ui_widget),gtk_hseparator_new(), false,false,5);
gtk_box_pack_start(GTK_BOX(drumrox_ui_widget),opts_hbox1,false,false,5);
gtk_box_pack_start(GTK_BOX(drumrox_ui_widget),opts_hbox2,false,false,5);
ui->drumrox_widget = drumrox_ui_widget;
ui->sample_table = NULL;
ui->kit_combo = GTK_COMBO_BOX(kit_combo_box);
ui->base_label = GTK_LABEL(base_label);
ui->base_spin = GTK_SPIN_BUTTON(base_spin);
ui->no_kit_label = no_kit_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);
g_signal_connect(G_OBJECT(ui->panlaw_combo_box),"changed",G_CALLBACK(panlaw_combobox_changed),ui);
g_signal_connect(G_OBJECT(ui->velocity_checkbox),"toggled",G_CALLBACK(ignore_velocity_toggled),ui);
g_signal_connect(G_OBJECT(ui->note_off_checkbox),"toggled",G_CALLBACK(ignore_note_off_toggled),ui);
gtk_widget_show_all(drumrox_ui_widget);
gtk_widget_hide(no_kit_label);
}
#else
static void build_drumrox_ui (CDrumroxGTKGUI* ui)
{
//std::cout << "void build_drumrox_ui \n";
GtkWidget *drumrox_ui_widget;
GtkWidget *opts_hbox1, *opts_hbox2,
*kit_combo_box, *kit_label, *no_kit_label,
*base_label, *base_spin;
GtkCellRenderer *cell_rend;
GtkAdjustment *base_adj;
PangoAttrList *attr_lst;
PangoAttribute *attr;
for (size_t i = 0; i < 32; i++)
ui->buttons[i] = NULL;
drumrox_ui_widget = gtk_vbox_new (false, 0);
expose_id = g_signal_connect (drumrox_ui_widget, "expose-event", G_CALLBACK (expose_callback), ui);
g_object_set (drumrox_ui_widget, "border-width", 2, NULL);
ui->kit_store = gtk_list_store_new (1, G_TYPE_STRING);
ui->current_kit_label = GTK_LABEL (gtk_label_new(NO_KIT_STRING));