[c9fef0]: src / gui_callbacks.c  Maximize  Restore  History

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/* Xsynth DSSI software synthesizer GUI
*
* Copyright (C) 2004, 2009 Sean Bolton and others.
*
* Portions of this file may have come from Steve Brookes'
* Xsynth, copyright (C) 1999 S. J. Brookes.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be
* useful, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#define _BSD_SOURCE 1
#define _SVID_SOURCE 1
#define _ISOC99_SOURCE 1
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <math.h>
#include <gtk/gtk.h>
#include <lo/lo.h>
#include "xsynth_types.h"
#include "xsynth.h"
#include "xsynth_ports.h"
#include "xsynth_voice.h"
#include "gui_main.h"
#include "gui_callbacks.h"
#include "gui_images.h"
#include "gui_interface.h"
#include "gui_data.h"
extern GtkObject *voice_widget[XSYNTH_PORTS_COUNT];
extern xsynth_patch_t *patches;
extern lo_address osc_host_address;
extern char * osc_configure_path;
extern char * osc_control_path;
extern char * osc_midi_path;
extern char * osc_program_path;
extern char * osc_update_path;
static int internal_gui_update_only = 0;
static unsigned char test_note_noteon_key = 60;
static unsigned char test_note_noteoff_key;
static unsigned char test_note_velocity = 96;
static gchar *file_selection_last_filename = NULL;
extern char *project_directory;
static int save_file_start;
static int save_file_end;
#if !GTK_CHECK_VERSION(2, 0, 0)
static int vcf_mode = 0;
#endif
void
file_selection_set_path(GtkWidget *file_selection)
{
if (file_selection_last_filename) {
gtk_file_selection_set_filename(GTK_FILE_SELECTION(file_selection),
file_selection_last_filename);
} else if (project_directory && strlen(project_directory)) {
if (project_directory[strlen(project_directory) - 1] != '/') {
char buffer[PATH_MAX];
snprintf(buffer, PATH_MAX, "%s/", project_directory);
gtk_file_selection_set_filename(GTK_FILE_SELECTION(file_selection),
buffer);
} else {
gtk_file_selection_set_filename(GTK_FILE_SELECTION(file_selection),
project_directory);
}
}
}
void
on_menu_open_activate (GtkMenuItem *menuitem,
gpointer user_data)
{
gtk_widget_hide(save_file_selection);
gtk_widget_hide(open_file_position_window);
gtk_widget_hide(save_file_range_window);
file_selection_set_path(open_file_selection);
gtk_widget_show(open_file_selection);
}
void
on_menu_save_activate (GtkMenuItem *menuitem,
gpointer user_data)
{
gtk_widget_hide(open_file_selection);
gtk_widget_hide(open_file_position_window);
gtk_widget_hide(save_file_range_window);
file_selection_set_path(save_file_selection);
gtk_widget_show(save_file_selection);
}
void
on_menu_quit_activate (GtkMenuItem *menuitem,
gpointer user_data)
{
// -FIX- if any patches changed, ask "are you sure?" or "save changes?"
gtk_main_quit();
}
void
on_menu_about_activate (GtkMenuItem *menuitem,
gpointer user_data)
{
char buf[256];
snprintf(buf, 256, "Xsynth-DSSI version: " VERSION "\n"
"plugin URL: %s\n"
"host URL: %s\n", osc_self_url, osc_host_url);
gtk_label_set_text (GTK_LABEL (about_label), buf);
gtk_widget_show(about_window);
}
gint
on_delete_event_wrapper( GtkWidget *widget, GdkEvent *event, gpointer data )
{
void (*handler)(GtkWidget *, gpointer) = (void (*)(GtkWidget *, gpointer))data;
/* call our 'close', 'dismiss' or 'cancel' callback (which must not need the user data) */
(*handler)(widget, NULL);
/* tell GTK+ to NOT emit 'destroy' */
return TRUE;
}
void
on_open_file_ok( GtkWidget *widget, gpointer data )
{
gtk_widget_hide(open_file_selection);
file_selection_last_filename = (gchar *)gtk_file_selection_get_filename(
GTK_FILE_SELECTION(open_file_selection));
GDB_MESSAGE(GDB_GUI, " on_open_file_ok: file '%s' selected\n",
file_selection_last_filename);
/* update patch name */
gtk_signal_emit_by_name (GTK_OBJECT (open_file_position_spin_adj), "value_changed");
gtk_widget_show(open_file_position_window);
}
void
on_open_file_cancel( GtkWidget *widget, gpointer data )
{
GDB_MESSAGE(GDB_GUI, ": on_open_file_cancel called\n");
gtk_widget_hide(open_file_selection);
}
/*
* on_position_change
*
* used by both the open file position and edit save position dialogs
* data is a pointer to the dialog's patch name label
*/
void
on_position_change(GtkWidget *widget, gpointer data)
{
int position = lrintf(GTK_ADJUSTMENT(widget)->value);
GtkWidget *label = (GtkWidget *)data;
gtk_label_set_text (GTK_LABEL (label), patches[position].name);
}
void
on_open_file_position_ok( GtkWidget *widget, gpointer data )
{
int position = lrintf(GTK_ADJUSTMENT(open_file_position_spin_adj)->value);
char *message;
gtk_widget_hide(open_file_position_window);
GDB_MESSAGE(GDB_GUI, " on_open_file_position_ok: position %d\n", position);
if (gui_data_load(file_selection_last_filename, position, &message)) {
/* successfully loaded at least one patch */
rebuild_patches_clist();
display_notice("Load Patch File succeeded:", message);
gui_data_send_dirty_patch_sections();
} else { /* didn't load anything successfully */
display_notice("Load Patch File failed:", message);
}
free(message);
}
void
on_open_file_position_cancel( GtkWidget *widget, gpointer data )
{
GDB_MESSAGE(GDB_GUI, " on_open_file_position_cancel called\n");
gtk_widget_hide(open_file_position_window);
}
void
on_save_file_ok( GtkWidget *widget, gpointer data )
{
int i;
gtk_widget_hide(save_file_selection);
file_selection_last_filename = (gchar *)gtk_file_selection_get_filename(
GTK_FILE_SELECTION(save_file_selection));
GDB_MESSAGE(GDB_GUI, " on_save_file_ok: file '%s' selected\n",
file_selection_last_filename);
/* find the last non-init-voice patch, and set the end position to it, then
* update the patch names */
for (i = 127;
i > 0 && gui_data_patch_compare(&patches[i], &xsynth_init_voice);
i--);
(GTK_ADJUSTMENT(save_file_end_spin_adj))->value = (float)i;
gtk_signal_emit_by_name (GTK_OBJECT (save_file_start_spin_adj), "value_changed");
gtk_signal_emit_by_name (GTK_OBJECT (save_file_end_spin_adj), "value_changed");
gtk_widget_show(save_file_range_window);
}
void
on_save_file_cancel( GtkWidget *widget, gpointer data )
{
GDB_MESSAGE(GDB_GUI, ": on_save_file_cancel called\n");
gtk_widget_hide(save_file_selection);
}
/*
* on_save_file_range_change
*/
void
on_save_file_range_change(GtkWidget *widget, gpointer data)
{
int which = (int)data;
int start = lrintf(GTK_ADJUSTMENT(save_file_start_spin_adj)->value);
int end = lrintf(GTK_ADJUSTMENT(save_file_end_spin_adj)->value);
if (which == 0) { /* start */
if (end < start) {
(GTK_ADJUSTMENT(save_file_end_spin_adj))->value = (float)start;
gtk_signal_emit_by_name (GTK_OBJECT (save_file_end_spin_adj), "value_changed");
}
gtk_label_set_text (GTK_LABEL (save_file_start_name), patches[start].name);
} else { /* end */
if (end < start) {
(GTK_ADJUSTMENT(save_file_start_spin_adj))->value = (float)end;
gtk_signal_emit_by_name (GTK_OBJECT (save_file_start_spin_adj), "value_changed");
}
gtk_label_set_text (GTK_LABEL (save_file_end_name), patches[end].name);
}
}
void
on_save_file_range_ok( GtkWidget *widget, gpointer data )
{
char *message;
save_file_start = lrintf(GTK_ADJUSTMENT(save_file_start_spin_adj)->value);
save_file_end = lrintf(GTK_ADJUSTMENT(save_file_end_spin_adj)->value);
GDB_MESSAGE(GDB_GUI, " on_save_file_range_ok: start %d, end %d\n",
save_file_start, save_file_end);
gtk_widget_hide(save_file_range_window);
if (gui_data_save(file_selection_last_filename, save_file_start,
save_file_end, &message)) {
display_notice("Save Patch File succeeded:", message);
} else { /* problem with save */
display_notice("Save Patch File failed:", message);
}
free(message);
}
void
on_save_file_range_cancel( GtkWidget *widget, gpointer data )
{
GDB_MESSAGE(GDB_GUI, " on_save_file_range_cancel called\n");
gtk_widget_hide(save_file_range_window);
}
void
on_about_dismiss( GtkWidget *widget, gpointer data )
{
gtk_widget_hide(about_window);
}
void
on_notebook_switch_page(GtkNotebook *notebook,
GtkNotebookPage *page,
guint page_num)
{
GDB_MESSAGE(GDB_GUI, " on_notebook_switch_page: page %d selected\n", page_num);
}
void
on_patches_selection(GtkWidget *clist,
gint row,
gint column,
GdkEventButton *event,
gpointer data )
{
if (internal_gui_update_only) {
/* GDB_MESSAGE(GDB_GUI, " on_patches_selection: skipping further action\n"); */
return;
}
GDB_MESSAGE(GDB_GUI, " on_patches_selection: patch %d selected\n", row);
/* set all the patch edit widgets to match */
update_voice_widgets_from_patch(&patches[row]);
lo_send(osc_host_address, osc_program_path, "ii", 0, row);
}
void
on_voice_slider_change( GtkWidget *widget, gpointer data )
{
int index = (int)data;
struct xsynth_port_descriptor *xpd = &xsynth_port_description[index];
float cval = GTK_ADJUSTMENT(widget)->value / 10.0f;
float value;
if (internal_gui_update_only) {
/* GDB_MESSAGE(GDB_GUI, " on_voice_slider_change: skipping further action\n"); */
return;
}
if (xpd->type == XSYNTH_PORT_TYPE_LINEAR) {
value = (xpd->a * cval + xpd->b) * cval + xpd->c; /* linear or quadratic */
} else { /* XSYNTH_PORT_TYPE_LOGARITHMIC */
value = xpd->a * exp(xpd->c * cval * log(xpd->b));
}
GDB_MESSAGE(GDB_GUI, " on_voice_slider_change: slider %d changed to %10.6f => %10.6f\n",
index, GTK_ADJUSTMENT(widget)->value, value);
lo_send(osc_host_address, osc_control_path, "if", index, value);
}
void
on_voice_detent_change( GtkWidget *widget, gpointer data )
{
int index = (int)data;
int value = lrintf(GTK_ADJUSTMENT(widget)->value);
update_detent_label(index, value);
if (internal_gui_update_only) {
/* GDB_MESSAGE(GDB_GUI, " on_voice_detent_change: skipping further action\n"); */
return;
}
GDB_MESSAGE(GDB_GUI, " on_voice_detent_change: detent %d changed to %d\n",
index, value);
lo_send(osc_host_address, osc_control_path, "if", index, (float)value);
}
void
on_voice_onoff_toggled( GtkWidget *widget, gpointer data )
{
int index = (int)data;
int state = GTK_TOGGLE_BUTTON (widget)->active;
if (internal_gui_update_only) {
/* GDB_MESSAGE(GDB_GUI, " on_voice_onoff_toggled: skipping further action\n"); */
return;
}
GDB_MESSAGE(GDB_GUI, " on_voice_onoff_toggled: button %d changed to %s\n",
index, (state ? "on" : "off"));
lo_send(osc_host_address, osc_control_path, "if", index, (state ? 1.0f : 0.0f));
}
void
on_vcf_mode_activate(GtkWidget *widget, gpointer data)
{
unsigned char mode = (unsigned char)(int)data;
GDB_MESSAGE(GDB_GUI, " on_vcf_mode_activate: vcf mode '%d' selected\n", mode);
lo_send(osc_host_address, osc_control_path, "if", XSYNTH_PORT_VCF_MODE, (float)mode);
#if !GTK_CHECK_VERSION(2, 0, 0)
vcf_mode = mode;
#endif
}
void
on_test_note_slider_change(GtkWidget *widget, gpointer data)
{
unsigned char value = lrintf(GTK_ADJUSTMENT(widget)->value);
if ((int)data == 0) { /* key */
test_note_noteon_key = value;
GDB_MESSAGE(GDB_GUI, " on_test_note_slider_change: new test note key %d\n", test_note_noteon_key);
} else { /* velocity */
test_note_velocity = value;
GDB_MESSAGE(GDB_GUI, " on_test_note_slider_change: new test note velocity %d\n", test_note_velocity);
}
}
void
on_test_note_button_press(GtkWidget *widget, gpointer data)
{
unsigned char midi[4];
if ((int)data) { /* button pressed */
midi[0] = 0;
midi[1] = 0x90;
midi[2] = test_note_noteon_key;
midi[3] = test_note_velocity;
lo_send(osc_host_address, osc_midi_path, "m", midi);
test_note_noteoff_key = test_note_noteon_key;
} else { /* button released */
midi[0] = 0;
midi[1] = 0x80;
midi[2] = test_note_noteoff_key;
midi[3] = 0x40;
lo_send(osc_host_address, osc_midi_path, "m", midi);
}
}
void
on_edit_action_button_press(GtkWidget *widget, gpointer data)
{
int i;
GDB_MESSAGE(GDB_GUI, " on_edit_action_button_press: 'save changes' clicked\n");
/* find the last non-init-voice patch, and set the save position to the
* following patch */
for (i = 128;
i > 0 && gui_data_patch_compare(&patches[i - 1], &xsynth_init_voice);
i--);
if (i < 128)
(GTK_ADJUSTMENT(edit_save_position_spin_adj))->value = (float)i;
gtk_signal_emit_by_name (GTK_OBJECT (edit_save_position_spin_adj), "value_changed");
gtk_widget_show(edit_save_position_window);
}
void
on_edit_save_position_ok( GtkWidget *widget, gpointer data )
{
int position = lrintf(GTK_ADJUSTMENT(edit_save_position_spin_adj)->value);
gtk_widget_hide(edit_save_position_window);
GDB_MESSAGE(GDB_GUI, " on_edit_save_position_ok: position %d\n", position);
/* set the patch to match all the edit widgets */
update_patch_from_voice_widgets(&patches[position]);
gui_data_mark_dirty_patch_sections(position, position);
gui_data_send_dirty_patch_sections();
rebuild_patches_clist();
}
void
on_edit_save_position_cancel( GtkWidget *widget, gpointer data )
{
GDB_MESSAGE(GDB_GUI, " on_edit_save_position_cancel called\n");
gtk_widget_hide(edit_save_position_window);
}
void
on_tuning_change(GtkWidget *widget, gpointer data)
{
float value = GTK_ADJUSTMENT(widget)->value;
if (internal_gui_update_only) {
/* GDB_MESSAGE(GDB_GUI, " on_tuning_change: skipping further action\n"); */
return;
}
GDB_MESSAGE(GDB_GUI, " on_tuning_change: tuning set to %10.6f\n", value);
lo_send(osc_host_address, osc_control_path, "if", XSYNTH_PORT_TUNING, value);
}
void
on_polyphony_change(GtkWidget *widget, gpointer data)
{
int polyphony = lrintf(GTK_ADJUSTMENT(widget)->value);
char buffer[4];
if (internal_gui_update_only) {
/* GUIDB_MESSAGE(DB_GUI, " on_polyphony_change: skipping further action\n"); */
return;
}
GDB_MESSAGE(GDB_GUI, " on_polyphony_change: polyphony set to %d\n", polyphony);
snprintf(buffer, 4, "%d", polyphony);
lo_send(osc_host_address, osc_configure_path, "ss", "polyphony", buffer);
}
void
on_mono_mode_activate(GtkWidget *widget, gpointer data)
{
char *mode = data;
GDB_MESSAGE(GDB_GUI, " on_mono_mode_activate: monophonic mode '%s' selected\n", mode);
lo_send(osc_host_address, osc_configure_path, "ss", "monophonic", mode);
}
void
on_glide_mode_activate(GtkWidget *widget, gpointer data)
{
char *mode = data;
GDB_MESSAGE(GDB_GUI, " on_glide_mode_activate: glide mode '%s' selected\n", mode);
lo_send(osc_host_address, osc_configure_path, "ss", "glide", mode);
}
void
on_bendrange_change(GtkWidget *widget, gpointer data)
{
int bendrange = lrintf(GTK_ADJUSTMENT(widget)->value);
char buffer[4];
if (internal_gui_update_only) {
/* GUIDB_MESSAGE(DB_GUI, " on_bendrange_change: skipping further action\n"); */
return;
}
GDB_MESSAGE(GDB_GUI, " on_bendrange_change: bendrange set to %d\n", bendrange);
snprintf(buffer, 4, "%d", bendrange);
lo_send(osc_host_address, osc_configure_path, "ss", "bendrange", buffer);
}
void
display_notice(char *message1, char *message2)
{
gtk_label_set_text (GTK_LABEL (notice_label_1), message1);
gtk_label_set_text (GTK_LABEL (notice_label_2), message2);
gtk_widget_show(notice_window);
}
void
on_notice_dismiss( GtkWidget *widget, gpointer data )
{
gtk_widget_hide(notice_window);
}
void
update_detent_label(int index, int value)
{
switch (index) {
case XSYNTH_PORT_OSC1_WAVEFORM:
set_waveform_pixmap(osc1_waveform_pixmap, value);
break;
case XSYNTH_PORT_OSC2_WAVEFORM:
set_waveform_pixmap(osc2_waveform_pixmap, value);
break;
case XSYNTH_PORT_LFO_WAVEFORM:
set_waveform_pixmap(lfo_waveform_pixmap, value);
break;
default:
break;
}
}
void
update_voice_widget(int port, float value)
{
struct xsynth_port_descriptor *xpd;
GtkAdjustment *adj;
GtkWidget *button;
float cval;
int dval;
if (port < XSYNTH_PORT_OSC1_PITCH || port >= XSYNTH_PORTS_COUNT) {
return;
}
xpd = &xsynth_port_description[port];
if (value < xpd->lower_bound)
value = xpd->lower_bound;
else if (value > xpd->upper_bound)
value = xpd->upper_bound;
internal_gui_update_only = 1;
if (port == XSYNTH_PORT_TUNING) { /* handle tuning specially, since it's not stored in patch */
(GTK_ADJUSTMENT(tuning_adj))->value = value;
gtk_signal_emit_by_name (tuning_adj, "value_changed"); /* causes call to on_tuning_change callback */
internal_gui_update_only = 0;
return;
}
switch (xpd->type) {
case XSYNTH_PORT_TYPE_LINEAR:
cval = (value - xpd->c) / xpd->b; /* assume xpd->a == 0, which was always true for Xsynth */
/* GDB_MESSAGE(GDB_GUI, " update_voice_widget: change of %s to %f => %f\n", xpd->name, value, cval); */
adj = (GtkAdjustment *)voice_widget[port];
adj->value = cval * 10.0f;
/* gtk_signal_emit_by_name (GTK_OBJECT (adj), "changed"); does not cause call to on_voice_slider_change callback */
gtk_signal_emit_by_name (GTK_OBJECT (adj), "value_changed"); /* causes call to on_voice_slider_change callback */
break;
case XSYNTH_PORT_TYPE_LOGARITHMIC:
cval = log(value / xpd->a) / (xpd->c * log(xpd->b));
if (port == XSYNTH_PORT_OSC1_PITCH ||
port == XSYNTH_PORT_OSC2_PITCH) { /* oscillator pitch knobs go -10 to 10 */
if (cval < -1.0 + 1.0e-6f)
cval = -1.0f;
} else {
if (cval < 1.0e-6f)
cval = 0.0f;
}
if (cval > 1.0f - 1.0e-6f)
cval = 1.0f;
/* GDB_MESSAGE(GDB_GUI, " update_voice_widget: change of %s to %f => %f\n", xpd->name, value, cval); */
adj = (GtkAdjustment *)voice_widget[port];
adj->value = cval * 10.0f;
gtk_signal_emit_by_name (GTK_OBJECT (adj), "value_changed"); /* causes call to on_voice_slider_change callback */
break;
case XSYNTH_PORT_TYPE_DETENT:
dval = lrintf(value);
/* GDB_MESSAGE(GDB_GUI, " update_voice_widget: change of %s to %f => %d\n", xpd->name, value, dval); */
adj = (GtkAdjustment *)voice_widget[port];
adj->value = (float)dval;
gtk_signal_emit_by_name (GTK_OBJECT (adj), "value_changed"); /* causes call to on_voice_detent_change callback */
break;
case XSYNTH_PORT_TYPE_ONOFF:
dval = (value > 0.0001f ? 1 : 0);
/* GDB_MESSAGE(GDB_GUI, " update_voice_widget: change of %s to %f => %d\n", xpd->name, value, dval); */
button = (GtkWidget *)voice_widget[port];
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), dval); /* causes call to on_voice_onoff_toggled callback */
break;
case XSYNTH_PORT_TYPE_VCF_MODE:
dval = lrintf(value);
gtk_option_menu_set_history(GTK_OPTION_MENU (voice_widget[port]),
dval); /* updates optionmenu current selection,
* without needing to send it a signal */
#if !GTK_CHECK_VERSION(2, 0, 0)
vcf_mode = dval;
#endif
break;
default:
break;
}
internal_gui_update_only = 0;
}
void
update_voice_widgets_from_patch(xsynth_patch_t *patch)
{
update_voice_widget(XSYNTH_PORT_OSC1_PITCH, patch->osc1_pitch);
update_voice_widget(XSYNTH_PORT_OSC1_WAVEFORM, (float)patch->osc1_waveform);
update_voice_widget(XSYNTH_PORT_OSC1_PULSEWIDTH, patch->osc1_pulsewidth);
update_voice_widget(XSYNTH_PORT_OSC2_PITCH, patch->osc2_pitch);
update_voice_widget(XSYNTH_PORT_OSC2_WAVEFORM, (float)patch->osc2_waveform);
update_voice_widget(XSYNTH_PORT_OSC2_PULSEWIDTH, patch->osc2_pulsewidth);
update_voice_widget(XSYNTH_PORT_OSC_SYNC, (float)patch->osc_sync);
update_voice_widget(XSYNTH_PORT_OSC_BALANCE, patch->osc_balance);
update_voice_widget(XSYNTH_PORT_LFO_FREQUENCY, patch->lfo_frequency);
update_voice_widget(XSYNTH_PORT_LFO_WAVEFORM, (float)patch->lfo_waveform);
update_voice_widget(XSYNTH_PORT_LFO_AMOUNT_O, patch->lfo_amount_o);
update_voice_widget(XSYNTH_PORT_LFO_AMOUNT_F, patch->lfo_amount_f);
update_voice_widget(XSYNTH_PORT_EG1_ATTACK_TIME, patch->eg1_attack_time);
update_voice_widget(XSYNTH_PORT_EG1_DECAY_TIME, patch->eg1_decay_time);
update_voice_widget(XSYNTH_PORT_EG1_SUSTAIN_LEVEL, patch->eg1_sustain_level);
update_voice_widget(XSYNTH_PORT_EG1_RELEASE_TIME, patch->eg1_release_time);
update_voice_widget(XSYNTH_PORT_EG1_VEL_SENS, patch->eg1_vel_sens);
update_voice_widget(XSYNTH_PORT_EG1_AMOUNT_O, patch->eg1_amount_o);
update_voice_widget(XSYNTH_PORT_EG1_AMOUNT_F, patch->eg1_amount_f);
update_voice_widget(XSYNTH_PORT_EG2_ATTACK_TIME, patch->eg2_attack_time);
update_voice_widget(XSYNTH_PORT_EG2_DECAY_TIME, patch->eg2_decay_time);
update_voice_widget(XSYNTH_PORT_EG2_SUSTAIN_LEVEL, patch->eg2_sustain_level);
update_voice_widget(XSYNTH_PORT_EG2_RELEASE_TIME, patch->eg2_release_time);
update_voice_widget(XSYNTH_PORT_EG2_VEL_SENS, patch->eg2_vel_sens);
update_voice_widget(XSYNTH_PORT_EG2_AMOUNT_O, patch->eg2_amount_o);
update_voice_widget(XSYNTH_PORT_EG2_AMOUNT_F, patch->eg2_amount_f);
update_voice_widget(XSYNTH_PORT_VCF_CUTOFF, patch->vcf_cutoff);
update_voice_widget(XSYNTH_PORT_VCF_QRES, patch->vcf_qres);
update_voice_widget(XSYNTH_PORT_VCF_MODE, (float)patch->vcf_mode);
update_voice_widget(XSYNTH_PORT_GLIDE_TIME, patch->glide_time);
update_voice_widget(XSYNTH_PORT_VOLUME, patch->volume);
gtk_entry_set_text(GTK_ENTRY(name_entry), patch->name);
}
void
update_from_program_select(int bank, int program)
{
internal_gui_update_only = 1;
gtk_clist_select_row (GTK_CLIST(patches_clist), program, 0);
internal_gui_update_only = 0;
update_voice_widgets_from_patch(&patches[program]);
}
static float
get_value_from_slider(int index)
{
struct xsynth_port_descriptor *xpd = &xsynth_port_description[index];
float cval = GTK_ADJUSTMENT(voice_widget[index])->value / 10.0f;
if (xpd->type == XSYNTH_PORT_TYPE_LINEAR) {
return (xpd->a * cval + xpd->b) * cval + xpd->c; /* linear or quadratic */
} else { /* XSYNTH_PORT_TYPE_LOGARITHMIC */
return xpd->a * exp(xpd->c * cval * log(xpd->b));
}
}
static unsigned char
get_value_from_detent(int index)
{
return lrintf(GTK_ADJUSTMENT(voice_widget[index])->value);
}
static unsigned char
get_value_from_onoff(int index)
{
return (GTK_TOGGLE_BUTTON (voice_widget[index])->active ? 1 : 0);
}
static unsigned char
get_value_from_opmenu(int index)
{
#if GTK_CHECK_VERSION(2, 0, 0)
return gtk_option_menu_get_history(GTK_OPTION_MENU (voice_widget[index]));
#else
return vcf_mode;
#endif
}
void
update_patch_from_voice_widgets(xsynth_patch_t *patch)
{
int i;
patch->osc1_pitch = get_value_from_slider(XSYNTH_PORT_OSC1_PITCH);
patch->osc1_waveform = get_value_from_detent(XSYNTH_PORT_OSC1_WAVEFORM);
patch->osc1_pulsewidth = get_value_from_slider(XSYNTH_PORT_OSC1_PULSEWIDTH);
patch->osc2_pitch = get_value_from_slider(XSYNTH_PORT_OSC2_PITCH);
patch->osc2_waveform = get_value_from_detent(XSYNTH_PORT_OSC2_WAVEFORM);
patch->osc2_pulsewidth = get_value_from_slider(XSYNTH_PORT_OSC2_PULSEWIDTH);
patch->osc_sync = get_value_from_onoff(XSYNTH_PORT_OSC_SYNC);
patch->osc_balance = get_value_from_slider(XSYNTH_PORT_OSC_BALANCE);
patch->lfo_frequency = get_value_from_slider(XSYNTH_PORT_LFO_FREQUENCY);
patch->lfo_waveform = get_value_from_detent(XSYNTH_PORT_LFO_WAVEFORM);
patch->lfo_amount_o = get_value_from_slider(XSYNTH_PORT_LFO_AMOUNT_O);
patch->lfo_amount_f = get_value_from_slider(XSYNTH_PORT_LFO_AMOUNT_F);
patch->eg1_attack_time = get_value_from_slider(XSYNTH_PORT_EG1_ATTACK_TIME);
patch->eg1_decay_time = get_value_from_slider(XSYNTH_PORT_EG1_DECAY_TIME);
patch->eg1_sustain_level = get_value_from_slider(XSYNTH_PORT_EG1_SUSTAIN_LEVEL);
patch->eg1_release_time = get_value_from_slider(XSYNTH_PORT_EG1_RELEASE_TIME);
patch->eg1_vel_sens = get_value_from_slider(XSYNTH_PORT_EG1_VEL_SENS);
patch->eg1_amount_o = get_value_from_slider(XSYNTH_PORT_EG1_AMOUNT_O);
patch->eg1_amount_f = get_value_from_slider(XSYNTH_PORT_EG1_AMOUNT_F);
patch->eg2_attack_time = get_value_from_slider(XSYNTH_PORT_EG2_ATTACK_TIME);
patch->eg2_decay_time = get_value_from_slider(XSYNTH_PORT_EG2_DECAY_TIME);
patch->eg2_sustain_level = get_value_from_slider(XSYNTH_PORT_EG2_SUSTAIN_LEVEL);
patch->eg2_release_time = get_value_from_slider(XSYNTH_PORT_EG2_RELEASE_TIME);
patch->eg2_vel_sens = get_value_from_slider(XSYNTH_PORT_EG2_VEL_SENS);
patch->eg2_amount_o = get_value_from_slider(XSYNTH_PORT_EG2_AMOUNT_O);
patch->eg2_amount_f = get_value_from_slider(XSYNTH_PORT_EG2_AMOUNT_F);
patch->vcf_cutoff = get_value_from_slider(XSYNTH_PORT_VCF_CUTOFF);
patch->vcf_qres = get_value_from_slider(XSYNTH_PORT_VCF_QRES);
patch->vcf_mode = get_value_from_opmenu(XSYNTH_PORT_VCF_MODE);
patch->glide_time = get_value_from_slider(XSYNTH_PORT_GLIDE_TIME);
patch->volume = get_value_from_slider(XSYNTH_PORT_VOLUME);
strncpy(patch->name, gtk_entry_get_text(GTK_ENTRY(name_entry)), 30);
patch->name[30] = 0;
/* trim trailing spaces */
i = strlen(patch->name);
while(i && patch->name[i - 1] == ' ') i--;
patch->name[i] = 0;
}
void
update_patches(const char *key, const char *value)
{
int section = key[7] - '0';
GDB_MESSAGE(GDB_OSC, ": update_patches: received new '%s'\n", key);
if (section < 0 || section > 3)
return;
if (!xsynth_data_decode_patches(value, &patches[section * 32])) {
GDB_MESSAGE(GDB_OSC, " update_patches: corrupt data!\n");
return;
}
patch_section_dirty[section] = 0;
rebuild_patches_clist();
/* internal_gui_update_only = 1;
* gtk_clist_select_row (GTK_CLIST(patches_clist), current_program, 0);
* internal_gui_update_only = 0; */
}
void
update_polyphony(const char *value)
{
int poly = atoi(value);
GDB_MESSAGE(GDB_OSC, ": update_polyphony called with '%s'\n", value);
if (poly > 0 && poly < XSYNTH_MAX_POLYPHONY) {
internal_gui_update_only = 1;
GTK_ADJUSTMENT(polyphony_adj)->value = (float)poly;
gtk_signal_emit_by_name (GTK_OBJECT (polyphony_adj), "value_changed"); /* causes call to on_polyphony_change callback */
internal_gui_update_only = 0;
}
}
void
update_monophonic(const char *value)
{
int index;
GDB_MESSAGE(GDB_OSC, ": update_monophonic called with '%s'\n", value);
if (!strcmp(value, "off")) {
index = 0;
} else if (!strcmp(value, "on")) {
index = 1;
} else if (!strcmp(value, "once")) {
index = 2;
} else if (!strcmp(value, "both")) {
index = 3;
} else {
return;
}
gtk_option_menu_set_history(GTK_OPTION_MENU (monophonic_option_menu),
index); /* updates optionmenu current selection,
* without needing to send it a signal */
}
void
update_glide(const char *value)
{
int index;
GDB_MESSAGE(GDB_OSC, ": update_glide called with '%s'\n", value);
if (!strcmp(value, "legato")) {
index = 0;
} else if (!strcmp(value, "initial")) {
index = 1;
} else if (!strcmp(value, "always")) {
index = 2;
} else if (!strcmp(value, "leftover")) {
index = 3;
} else if (!strcmp(value, "off")) {
index = 4;
} else {
return;
}
gtk_option_menu_set_history(GTK_OPTION_MENU (glide_option_menu),
index); /* updates optionmenu current selection,
* without needing to send it a signal */
}
void
update_bendrange(const char *value)
{
int range = atoi(value);
GDB_MESSAGE(GDB_OSC, ": update_bendrange called with '%s'\n", value);
if (range >= 0 && range <= 12) {
internal_gui_update_only = 1;
GTK_ADJUSTMENT(bendrange_adj)->value = (float)range;
gtk_signal_emit_by_name (GTK_OBJECT (bendrange_adj), "value_changed"); /* causes call to on_bendrange_change callback */
internal_gui_update_only = 0;
}
}
void
rebuild_patches_clist(void)
{
char number[4], name[31];
char *data[2] = { number, name };
int i;
GDB_MESSAGE(GDB_GUI, ": rebuild_patches_clist called\n");
gtk_clist_freeze(GTK_CLIST(patches_clist));
gtk_clist_clear(GTK_CLIST(patches_clist));
for (i = 0; i < 128; i++) {
snprintf(number, 4, "%d", i);
strncpy(name, patches[i].name, 31);
gtk_clist_append(GTK_CLIST(patches_clist), data);
}
#if GTK_CHECK_VERSION(2, 0, 0)
/* kick GTK+ 2.4.x in the pants.... */
gtk_signal_emit_by_name (GTK_OBJECT (patches_clist), "check-resize");
#endif
gtk_clist_thaw(GTK_CLIST(patches_clist));
}