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livetrax/gtk2_ardour/plugin_ui.cc

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/*
Copyright (C) 2000 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id$
*/
#include <climits>
#include <cerrno>
#include <cmath>
#include <string>
#include <pbd/stl_delete.h>
#include <pbd/xml++.h>
#include <pbd/failed_constructor.h>
#include <gtkmm2ext/click_box.h>
#include <gtkmm2ext/fastmeter.h>
#include <gtkmm2ext/slider_controller.h>
#include <gtkmm2ext/barcontroller.h>
#include <gtkmm2ext/utils.h>
#include <gtkmm2ext/doi.h>
#include <midi++/manager.h>
#include <ardour/audioengine.h>
#include <ardour/plugin.h>
#include <ardour/insert.h>
#include <ardour/ladspa_plugin.h>
#ifdef VST_SUPPORT
#include <ardour/vst_plugin.h>
#endif
#include <lrdf.h>
#include "ardour_ui.h"
#include "prompter.h"
#include "plugin_ui.h"
#include "utils.h"
#include "gui_thread.h"
#include "i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace Gtkmm2ext;
using namespace Gtk;
using namespace sigc;
PluginUIWindow::PluginUIWindow (AudioEngine &engine, PluginInsert& insert, bool scrollable)
: ArdourDialog ("plugin ui")
{
if (insert.plugin().has_editor()) {
#ifdef VST_SUPPORT
VSTPlugin* vp;
if ((vp = dynamic_cast<VSTPlugin*> (&insert.plugin())) != 0) {
VSTPluginUI* vpu = new VSTPluginUI (insert, *vp);
_pluginui = vpu;
get_vbox()->add (*vpu);
vpu->package (*this);
} else {
#endif
error << _("unknown type of editor-supplying plugin (note: no VST support in this version of ardour)")
<< endmsg;
throw failed_constructor ();
#ifdef VST_SUPPORT
}
#endif
} else {
PluginUI* pu = new PluginUI (engine, insert, scrollable);
_pluginui = pu;
get_vbox()->add (*pu);
signal_map_event().connect (mem_fun (*pu, &PluginUI::start_updating));
signal_unmap_event().connect (mem_fun (*pu, &PluginUI::stop_updating));
}
set_position (Gtk::WIN_POS_MOUSE);
set_name ("PluginEditor");
add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), reinterpret_cast<Window*> (this)));
insert.GoingAway.connect (mem_fun(*this, &PluginUIWindow::plugin_going_away));
if (scrollable) {
gint h = _pluginui->get_preferred_height ();
if (h > 600) h = 600;
set_default_size (450, h);
}
}
PluginUIWindow::~PluginUIWindow ()
{
}
PluginUI::PluginUI (AudioEngine &engine, PluginInsert& pi, bool scrollable)
: PlugUIBase (pi),
engine(engine),
button_table (initial_button_rows, initial_button_cols),
output_table (initial_output_rows, initial_output_cols),
hAdjustment(0.0, 0.0, 0.0),
vAdjustment(0.0, 0.0, 0.0),
scroller_view(hAdjustment, vAdjustment),
automation_menu (0),
is_scrollable(scrollable)
{
set_name ("PluginEditor");
set_border_width (10);
set_homogeneous (false);
settings_box.set_homogeneous (false);
HBox* constraint_hbox = manage (new HBox);
HBox* smaller_hbox = manage (new HBox);
Label* combo_label = manage (new Label (_("<span size=\"large\">Presets</span>")));
combo_label->set_use_markup (true);
smaller_hbox->pack_start (*combo_label, false, false, 10);
smaller_hbox->pack_start (combo, false, false);
smaller_hbox->pack_start (save_button, false, false);
constraint_hbox->set_spacing (5);
constraint_hbox->pack_start (*smaller_hbox, true, false);
constraint_hbox->pack_end (bypass_button, false, false);
settings_box.pack_end (*constraint_hbox, false, false);
pack_start (settings_box, false, false);
if ( is_scrollable ) {
scroller.set_policy (Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
scroller.set_name ("PluginEditor");
scroller_view.set_name("PluginEditor");
scroller_view.add (hpacker);
scroller.add (scroller_view);
pack_start (scroller, true, true);
}
else {
pack_start (hpacker, false, false);
}
insert.active_changed.connect (mem_fun(*this, &PluginUI::redirect_active_changed));
bypass_button.set_active (!insert.active());
build (engine);
}
PluginUI::~PluginUI ()
{
if (output_controls.size() > 0) {
screen_update_connection.disconnect();
}
}
void
PluginUI::build (AudioEngine &engine)
{
guint32 i = 0;
guint32 x = 0;
Frame* frame;
Frame* bt_frame;
VBox* box;
int output_row, output_col;
int button_row, button_col;
int output_rows, output_cols;
int button_rows, button_cols;
guint32 n_ins=0, n_outs = 0;
prefheight = 30;
hpacker.set_spacing (10);
output_rows = initial_output_rows;
output_cols = initial_output_cols;
button_rows = initial_button_rows;
button_cols = initial_button_cols;
output_row = 0;
button_row = 0;
output_col = 0;
button_col = 0;
button_table.set_homogeneous (false);
button_table.set_row_spacings (2);
button_table.set_col_spacings (2);
output_table.set_homogeneous (true);
output_table.set_row_spacings (2);
output_table.set_col_spacings (2);
button_table.set_border_width (5);
output_table.set_border_width (5);
hpacker.set_border_width (10);
bt_frame = manage (new Frame);
bt_frame->set_name ("BaseFrame");
bt_frame->add (button_table);
hpacker.pack_start(*bt_frame, true, true);
box = manage (new VBox);
box->set_border_width (5);
box->set_spacing (1);
frame = manage (new Frame);
frame->set_name ("BaseFrame");
frame->set_label (_("Controls"));
frame->add (*box);
hpacker.pack_start(*frame, true, true);
/* find all ports. build control elements for all appropriate control ports */
for (i = 0; i < plugin.parameter_count(); ++i) {
if (plugin.parameter_is_control (i)) {
/* Don't show latency control ports */
if (plugin.describe_parameter (i) == X_("latency")) {
continue;
}
ControlUI* cui;
/* if we are scrollable, just use one long column */
if (!is_scrollable) {
if (x++ > 7){
frame = manage (new Frame);
frame->set_name ("BaseFrame");
box = manage (new VBox);
box->set_border_width (5);
box->set_spacing (1);
frame->add (*box);
hpacker.pack_start(*frame,true,true);
x = 0;
}
}
if ((cui = build_control_ui (engine, i, plugin.get_nth_midi_control (i))) == 0) {
error << string_compose(_("Plugin Editor: could not build control element for port %1"), i) << endmsg;
continue;
}
if (cui->control || cui->clickbox || cui->combo) {
box->pack_start (*cui, false, false);
} else if (cui->button) {
if (button_row == button_rows) {
button_row = 0;
if (++button_col == button_cols) {
button_cols += 2;
button_table.resize (button_rows, button_cols);
}
}
button_table.attach (*cui, button_col, button_col + 1, button_row, button_row+1,
FILL|EXPAND, FILL);
button_row++;
} else if (cui->display) {
output_table.attach (*cui, output_col, output_col + 1, output_row, output_row+1,
FILL|EXPAND, FILL);
// TODO: The meters should be divided into multiple rows
if (++output_col == output_cols) {
output_cols ++;
output_table.resize (output_rows, output_cols);
}
/* old code, which divides meters into
* columns first, rows later. New code divides into one row
if (output_row == output_rows) {
output_row = 0;
if (++output_col == output_cols) {
output_cols += 2;
output_table.resize (output_rows, output_cols);
}
}
output_table.attach (*cui, output_col, output_col + 1, output_row, output_row+1,
FILL|EXPAND, FILL);
output_row++;
*/
}
/* HACK: ideally the preferred height would be queried from
the complete hpacker, but I can't seem to get that
information in time, so this is an estimation
*/
prefheight += 30;
}
}
n_ins = plugin.get_info().n_inputs;
n_outs = plugin.get_info().n_outputs;
if (box->children().empty()) {
hpacker.remove (*frame);
}
if (button_table.children().empty()) {
hpacker.remove (*bt_frame);
}
if (!output_table.children().empty()) {
frame = manage (new Frame);
frame->set_name ("BaseFrame");
frame->add (output_table);
hpacker.pack_end (*frame, true, true);
}
output_update ();
output_table.show_all ();
button_table.show_all ();
}
PluginUI::ControlUI::ControlUI ()
: automate_button (X_("")) // force creation of a label
{
automate_button.set_name ("PluginAutomateButton");
ARDOUR_UI::instance()->tooltips().set_tip (automate_button,
_("automation control"));
/* don't fix the height, it messes up the bar controllers */
set_size_request_to_display_given_text (automate_button, X_("longenuff"), 2, 2);
ignore_change = 0;
display = 0;
button = 0;
control = 0;
clickbox = 0;
adjustment = 0;
meterinfo = 0;
}
PluginUI::ControlUI::~ControlUI()
{
if (adjustment) {
delete adjustment;
}
if (meterinfo) {
delete meterinfo->meter;
delete meterinfo;
}
}
void
PluginUI::automation_state_changed (ControlUI* cui)
{
/* update button label */
switch (insert.get_port_automation_state (cui->port_index) & (Off|Play|Touch|Write)) {
case Off:
cui->automate_button.set_label (_("off"));
break;
case Play:
cui->automate_button.set_label (_("play"));
break;
case Write:
cui->automate_button.set_label (_("write"));
break;
case Touch:
cui->automate_button.set_label (_("touch"));
break;
default:
cui->automate_button.set_label (_("???"));
break;
}
}
static void integer_printer (char buf[32], Adjustment &adj, void *arg)
{
snprintf (buf, 32, "%.0f", adj.get_value());
}
void
PluginUI::print_parameter (char *buf, uint32_t len, uint32_t param)
{
plugin.print_parameter (param, buf, len);
}
PluginUI::ControlUI*
PluginUI::build_control_ui (AudioEngine &engine, guint32 port_index, MIDI::Controllable* mcontrol)
{
ControlUI* control_ui;
Plugin::ParameterDescriptor desc;
plugin.get_parameter_descriptor (port_index, desc);
control_ui = manage (new ControlUI ());
control_ui->adjustment = 0;
control_ui->combo = 0;
control_ui->combo_map = 0;
control_ui->port_index = port_index;
control_ui->update_pending = false;
control_ui->label.set_text (desc.label);
control_ui->label.set_alignment (0.0, 0.5);
control_ui->label.set_name ("PluginParameterLabel");
control_ui->set_spacing (5);
if (plugin.parameter_is_input (port_index)) {
LadspaPlugin* lp;
if ((lp = dynamic_cast<LadspaPlugin*>(&plugin)) != 0) {
lrdf_defaults* defaults = lrdf_get_scale_values(lp->unique_id(), port_index);
if (defaults && defaults->count > 0) {
control_ui->combo = new Gtk::ComboBoxText;
//control_ui->combo->set_value_in_list(true, false);
set_popdown_strings (*control_ui->combo, setup_scale_values(port_index, control_ui));
control_ui->combo->signal_changed().connect (bind (mem_fun(*this, &PluginUI::control_combo_changed), control_ui));
plugin.ParameterChanged.connect (bind (mem_fun (*this, &PluginUI::parameter_changed), control_ui));
control_ui->pack_start(control_ui->label, true, true);
control_ui->pack_start(*control_ui->combo, false, true);
update_control_display(control_ui);
lrdf_free_setting_values(defaults);
return control_ui;
}
}
if (desc.toggled) {
/* Build a button */
control_ui->button = manage (new ToggleButton ());
control_ui->button->set_name ("PluginEditorButton");
control_ui->button->set_size_request (20, 20);
control_ui->pack_start (control_ui->label, true, true);
control_ui->pack_start (*control_ui->button, false, true);
control_ui->pack_start (control_ui->automate_button, false, false);
control_ui->button->signal_clicked().connect (bind (mem_fun(*this, &PluginUI::control_port_toggled), control_ui));
if(plugin.get_parameter (port_index) == 1){
control_ui->button->set_active(true);
}
return control_ui;
}
control_ui->adjustment = new Adjustment (0, 0, 0, 0, 0);
/* XXX this code is not right yet, because it doesn't handle
the absence of bounds in any sensible fashion.
*/
control_ui->adjustment->set_lower (desc.lower);
control_ui->adjustment->set_upper (desc.upper);
control_ui->logarithmic = desc.logarithmic;
if (control_ui->logarithmic) {
if (control_ui->adjustment->get_lower() == 0.0) {
control_ui->adjustment->set_lower (control_ui->adjustment->get_upper()/10000);
}
control_ui->adjustment->set_upper (log(control_ui->adjustment->get_upper()));
control_ui->adjustment->set_lower (log(control_ui->adjustment->get_lower()));
}
float delta = desc.upper - desc.lower;
control_ui->adjustment->set_page_size (delta/100.0);
control_ui->adjustment->set_step_increment (desc.step);
control_ui->adjustment->set_page_increment (desc.largestep);
if (desc.integer_step) {
control_ui->clickbox = new ClickBox (control_ui->adjustment, "PluginUIClickBox");
Gtkmm2ext::set_size_request_to_display_given_text (*control_ui->clickbox, "g9999999", 2, 2);
control_ui->clickbox->set_print_func (integer_printer, 0);
} else {
sigc::slot<void,char*,uint32_t> pslot = sigc::bind (mem_fun(*this, &PluginUI::print_parameter), (uint32_t) port_index);
control_ui->control = new BarController (*control_ui->adjustment, mcontrol, pslot);
// should really match the height of the text in the automation button+label
control_ui->control->set_size_request (200, 22);
control_ui->control->set_name (X_("PluginSlider"));
control_ui->control->set_style (BarController::LeftToRight);
control_ui->control->set_use_parent (true);
control_ui->control->StartGesture.connect (bind (mem_fun(*this, &PluginUI::start_touch), control_ui));
control_ui->control->StopGesture.connect (bind (mem_fun(*this, &PluginUI::stop_touch), control_ui));
}
if (control_ui->logarithmic) {
control_ui->adjustment->set_value(log(plugin.get_parameter(port_index)));
} else{
control_ui->adjustment->set_value(plugin.get_parameter(port_index));
}
/* XXX memory leak: SliderController not destroyed by ControlUI
destructor, and manage() reports object hierarchy
ambiguity.
*/
control_ui->pack_start (control_ui->label, true, true);
if (desc.integer_step) {
control_ui->pack_start (*control_ui->clickbox, false, false);
} else {
control_ui->pack_start (*control_ui->control, false, false);
}
control_ui->pack_start (control_ui->automate_button, false, false);
control_ui->adjustment->signal_value_changed().connect (bind (mem_fun(*this, &PluginUI::control_adjustment_changed), control_ui));
control_ui->automate_button.signal_clicked().connect (bind (mem_fun(*this, &PluginUI::astate_clicked), control_ui, (uint32_t) port_index));
automation_state_changed (control_ui);
plugin.ParameterChanged.connect (bind (mem_fun(*this, &PluginUI::parameter_changed), control_ui));
insert.automation_list (port_index).automation_state_changed.connect
(bind (mem_fun(*this, &PluginUI::automation_state_changed), control_ui));
} else if (plugin.parameter_is_output (port_index)) {
control_ui->display = manage (new EventBox);
control_ui->display->set_name ("ParameterValueDisplay");
control_ui->display_label = manage (new Label);
control_ui->display_label->set_name ("ParameterValueDisplay");
control_ui->display->add (*control_ui->display_label);
Gtkmm2ext::set_size_request_to_display_given_text (*control_ui->display, "-99,99", 2, 2);
control_ui->display->show_all ();
/* set up a meter */
/* TODO: only make a meter if the port is Hinted for it */
MeterInfo * info = new MeterInfo(port_index);
control_ui->meterinfo = info;
info->meter = new FastMeter (5, 100, FastMeter::Vertical);
info->min_unbound = desc.min_unbound;
info->max_unbound = desc.max_unbound;
info->min = desc.lower;
info->max = desc.upper;
control_ui->vbox = manage (new VBox);
control_ui->hbox = manage (new HBox);
control_ui->label.set_angle(90);
control_ui->hbox->pack_start (control_ui->label, false, false);
control_ui->hbox->pack_start (*info->meter, false, false);
control_ui->vbox->pack_start (*control_ui->hbox, false, false);
control_ui->vbox->pack_start (*control_ui->display, false, false);
control_ui->pack_start (*control_ui->vbox);
control_ui->meterinfo->meter->show_all();
control_ui->meterinfo->packed = true;
output_controls.push_back (control_ui);
}
plugin.ParameterChanged.connect (bind (mem_fun(*this, &PluginUI::parameter_changed), control_ui));
return control_ui;
}
void
PluginUI::start_touch (PluginUI::ControlUI* cui)
{
insert.automation_list (cui->port_index).start_touch ();
}
void
PluginUI::stop_touch (PluginUI::ControlUI* cui)
{
insert.automation_list (cui->port_index).stop_touch ();
}
void
PluginUI::astate_clicked (ControlUI* cui, uint32_t port)
{
using namespace Menu_Helpers;
if (automation_menu == 0) {
automation_menu = manage (new Menu);
automation_menu->set_name ("ArdourContextMenu");
}
MenuList& items (automation_menu->items());
items.clear ();
items.push_back (MenuElem (_("off"),
bind (mem_fun(*this, &PluginUI::set_automation_state), (AutoState) Off, cui)));
items.push_back (MenuElem (_("play"),
bind (mem_fun(*this, &PluginUI::set_automation_state), (AutoState) Play, cui)));
items.push_back (MenuElem (_("write"),
bind (mem_fun(*this, &PluginUI::set_automation_state), (AutoState) Write, cui)));
items.push_back (MenuElem (_("touch"),
bind (mem_fun(*this, &PluginUI::set_automation_state), (AutoState) Touch, cui)));
automation_menu->popup (1, 0);
}
void
PluginUI::set_automation_state (AutoState state, ControlUI* cui)
{
insert.set_port_automation_state (cui->port_index, state);
}
void
PluginUI::control_adjustment_changed (ControlUI* cui)
{
if (cui->ignore_change) {
return;
}
double value = cui->adjustment->get_value();
if (cui->logarithmic) {
value = exp(value);
}
insert.set_parameter (cui->port_index, (float) value);
}
void
PluginUI::parameter_changed (uint32_t abs_port_id, float val, ControlUI* cui)
{
if (cui->port_index == abs_port_id) {
if (!cui->update_pending) {
cui->update_pending = true;
Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun(*this, &PluginUI::update_control_display), cui));
}
}
}
void
PluginUI::update_control_display (ControlUI* cui)
{
/* XXX how do we handle logarithmic stuff here ? */
cui->update_pending = false;
float val = plugin.get_parameter (cui->port_index);
cui->ignore_change++;
if (cui->combo) {
std::map<string,float>::iterator it;
for (it = cui->combo_map->begin(); it != cui->combo_map->end(); ++it) {
if (it->second == val) {
cui->combo->set_active_text(it->first);
break;
}
}
} else if (cui->adjustment == 0) {
if (val > 0.5) {
cui->button->set_active (true);
} else {
cui->button->set_active (false);
}
} else {
if (cui->logarithmic) {
val = log(val);
}
if (val != cui->adjustment->get_value()) {
cui->adjustment->set_value (val);
}
}
cui->ignore_change--;
}
void
PluginUI::control_port_toggled (ControlUI* cui)
{
if (!cui->ignore_change) {
insert.set_parameter (cui->port_index, cui->button->get_active());
}
}
void
PluginUI::control_combo_changed (ControlUI* cui)
{
if (!cui->ignore_change) {
string value = cui->combo->get_active_text();
std::map<string,float> mapping = *cui->combo_map;
insert.set_parameter (cui->port_index, mapping[value]);
}
}
void
PluginUIWindow::plugin_going_away (ARDOUR::Redirect* ignored)
{
ENSURE_GUI_THREAD(bind (mem_fun(*this, &PluginUIWindow::plugin_going_away), ignored));
_pluginui->stop_updating(0);
delete_when_idle (this);
}
void
PluginUI::redirect_active_changed (Redirect* r, void* src)
{
ENSURE_GUI_THREAD(bind (mem_fun(*this, &PluginUI::redirect_active_changed), r, src));
bypass_button.set_active (!r->active());
}
bool
PluginUI::start_updating (GdkEventAny* ignored)
{
if (output_controls.size() > 0 ) {
screen_update_connection.disconnect();
screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect
(mem_fun(*this, &PluginUI::output_update));
}
return false;
}
bool
PluginUI::stop_updating (GdkEventAny* ignored)
{
if (output_controls.size() > 0 ) {
screen_update_connection.disconnect();
}
return false;
}
void
PluginUI::output_update ()
{
for (vector<ControlUI*>::iterator i = output_controls.begin(); i != output_controls.end(); ++i) {
float val = plugin.get_parameter ((*i)->port_index);
char buf[32];
snprintf (buf, sizeof(buf), "%.2f", val);
(*i)->display_label->set_text (buf);
/* autoscaling for the meter */
if ((*i)->meterinfo && (*i)->meterinfo->packed) {
if (val < (*i)->meterinfo->min) {
if ((*i)->meterinfo->min_unbound)
(*i)->meterinfo->min = val;
else
val = (*i)->meterinfo->min;
}
if (val > (*i)->meterinfo->max) {
if ((*i)->meterinfo->max_unbound)
(*i)->meterinfo->max = val;
else
val = (*i)->meterinfo->max;
}
if ((*i)->meterinfo->max > (*i)->meterinfo->min ) {
float lval = (val - (*i)->meterinfo->min) / ((*i)->meterinfo->max - (*i)->meterinfo->min) ;
(*i)->meterinfo->meter->set (lval );
}
}
}
}
vector<string>
PluginUI::setup_scale_values(guint32 port_index, ControlUI* cui)
{
vector<string> enums;
LadspaPlugin* lp = dynamic_cast<LadspaPlugin*> (&plugin);
cui->combo_map = new std::map<string, float>;
lrdf_defaults* defaults = lrdf_get_scale_values(lp->unique_id(), port_index);
if (defaults) {
for (uint32_t i = 0; i < defaults->count; ++i) {
enums.push_back(defaults->items[i].label);
pair<string, float> newpair;
newpair.first = defaults->items[i].label;
newpair.second = defaults->items[i].value;
cui->combo_map->insert(newpair);
}
lrdf_free_setting_values(defaults);
}
return enums;
}
PlugUIBase::PlugUIBase (PluginInsert& pi)
: insert (pi),
plugin (insert.plugin()),
save_button(_("Add")),
bypass_button (_("Bypass"))
{
//combo.set_use_arrows_always(true);
set_popdown_strings (combo, plugin.get_presets());
combo.set_size_request (100, -1);
combo.set_active_text ("");
combo.signal_changed().connect(mem_fun(*this, &PlugUIBase::setting_selected));
save_button.set_name ("PluginSaveButton");
save_button.signal_clicked().connect(mem_fun(*this, &PlugUIBase::save_plugin_setting));
bypass_button.set_name ("PluginBypassButton");
bypass_button.signal_toggled().connect (mem_fun(*this, &PlugUIBase::bypass_toggled));
}
void
PlugUIBase::setting_selected()
{
if (combo.get_active_text().length() > 0) {
if (!plugin.load_preset(combo.get_active_text())) {
warning << string_compose(_("Plugin preset %1 not found"), combo.get_active_text()) << endmsg;
}
}
}
void
PlugUIBase::save_plugin_setting ()
{
ArdourPrompter prompter (true);
prompter.set_prompt(_("Name of New Preset:"));
prompter.add_button (Gtk::Stock::ADD, Gtk::RESPONSE_ACCEPT);
prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
prompter.show_all();
switch (prompter.run ()) {
case Gtk::RESPONSE_ACCEPT:
string name;
prompter.get_result(name);
if (name.length()) {
if(plugin.save_preset(name)){
set_popdown_strings (combo, plugin.get_presets());
combo.set_active_text (name);
}
}
break;
}
}
void
PlugUIBase::bypass_toggled ()
{
bool x;
if ((x = bypass_button.get_active()) == insert.active()) {
insert.set_active (!x, this);
}
}