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livetrax/gtk2_ardour/generic_pluginui.cc
Robin Gareus 40c8c26b79 remove duplicate callback 
mcontrol->Changed is [also] subscribed to further below (input & output).
2015-02-04 18:04:33 +01:00

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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.
*/
#ifdef WAF_BUILD
#include "gtk2ardour-config.h"
#endif
#include <climits>
#include <cerrno>
#include <cmath>
#include <string>
#include <vector>
#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/barcontroller.h>
#include <gtkmm2ext/utils.h>
#include <gtkmm2ext/doi.h>
#include <gtkmm2ext/slider_controller.h>
#include "ardour/plugin.h"
#include "ardour/plugin_insert.h"
#include "ardour/session.h"
#include "ardour/value_as_string.h"
#include "ardour_ui.h"
#include "prompter.h"
#include "plugin_ui.h"
#include "gui_thread.h"
#include "automation_controller.h"
#include "timers.h"
#include "i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Gtkmm2ext;
using namespace Gtk;
GenericPluginUI::GenericPluginUI (boost::shared_ptr<PluginInsert> pi, bool scrollable)
: PlugUIBase (pi)
, 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);
pack_start (main_contents, true, true);
settings_box.set_homogeneous (false);
HBox* constraint_hbox = manage (new HBox);
HBox* smaller_hbox = manage (new HBox);
HBox* automation_hbox = manage (new HBox);
smaller_hbox->set_spacing (4);
automation_hbox->set_spacing (6);
Label* combo_label = manage (new Label (_("<span size=\"large\">Presets</span>")));
combo_label->set_use_markup (true);
latency_button.add (latency_label);
latency_button.signal_clicked().connect (sigc::mem_fun (*this, &PlugUIBase::latency_button_clicked));
set_latency_label ();
smaller_hbox->pack_start (latency_button, false, false, 10);
smaller_hbox->pack_start (_preset_combo, false, false);
smaller_hbox->pack_start (_preset_modified, false, false);
smaller_hbox->pack_start (add_button, false, false);
smaller_hbox->pack_start (save_button, false, false);
smaller_hbox->pack_start (delete_button, false, false);
smaller_hbox->pack_start (bypass_button, false, true);
automation_manual_all_button.set_text(_("Manual"));
automation_manual_all_button.set_name (X_("generic button"));
automation_play_all_button.set_text(_("Play"));
automation_play_all_button.set_name (X_("generic button"));
automation_write_all_button.set_text(_("Write"));
automation_write_all_button.set_name (X_("generic button"));
automation_touch_all_button.set_text(_("Touch"));
automation_touch_all_button.set_name (X_("generic button"));
Label* l = manage (new Label (_("All Automation")));
l->set_alignment (1.0, 0.5);
automation_hbox->pack_start (*l, true, true);
automation_hbox->pack_start (automation_manual_all_button, false, false);
automation_hbox->pack_start (automation_play_all_button, false, false);
automation_hbox->pack_start (automation_write_all_button, false, false);
automation_hbox->pack_start (automation_touch_all_button, false, false);
constraint_hbox->set_spacing (5);
constraint_hbox->set_homogeneous (false);
VBox* v1_box = manage (new VBox);
VBox* v2_box = manage (new VBox);
pack_end (plugin_analysis_expander, false, false);
if (!plugin->get_docs().empty()) {
pack_end (description_expander, false, false);
}
v1_box->set_spacing (6);
v1_box->pack_start (*smaller_hbox, false, true);
v1_box->pack_start (*automation_hbox, false, true);
v2_box->pack_start (focus_button, false, true);
main_contents.pack_start (settings_box, false, false);
constraint_hbox->pack_end (*v2_box, false, false);
constraint_hbox->pack_end (*v1_box, false, false);
main_contents.pack_start (*constraint_hbox, false, false);
if (is_scrollable ) {
scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
scroller.set_name ("PluginEditor");
scroller_view.set_name("PluginEditor");
scroller_view.add (hpacker);
scroller.add (scroller_view);
main_contents.pack_start (scroller, true, true);
} else {
main_contents.pack_start (hpacker, false, false);
}
pi->ActiveChanged.connect (active_connection, invalidator (*this), boost::bind (&GenericPluginUI::processor_active_changed, this, boost::weak_ptr<Processor>(pi)), gui_context());
bypass_button.set_active (!pi->active());
prefheight = 0;
build ();
}
GenericPluginUI::~GenericPluginUI ()
{
if (output_controls.size() > 0) {
screen_update_connection.disconnect();
}
}
// Some functions for calculating the 'similarity' of two plugin
// control labels.
static int get_number(string label) {
static const char *digits = "0123456789";
int value = -1;
std::size_t first_digit_pos = label.find_first_of(digits);
if (first_digit_pos != string::npos) {
// found some digits: there's a number in there somewhere
stringstream s;
s << label.substr(first_digit_pos);
s >> value;
}
return value;
}
static int match_or_digit(char c1, char c2) {
return c1 == c2 || (isdigit(c1) && isdigit(c2));
}
static std::size_t matching_chars_at_head(const string s1, const string s2) {
std::size_t length, n = 0;
length = min(s1.length(), s2.length());
while (n < length) {
if (!match_or_digit(s1[n], s2[n]))
break;
n++;
}
return n;
}
static std::size_t matching_chars_at_tail(const string s1, const string s2) {
std::size_t s1pos, s2pos, n = 0;
s1pos = s1.length();
s2pos = s2.length();
while (s1pos-- > 0 && s2pos-- > 0) {
if (!match_or_digit(s1[s1pos], s2[s2pos]) )
break;
n++;
}
return n;
}
static const guint32 min_controls_per_column = 17, max_controls_per_column = 24;
static const float default_similarity_threshold = 0.3;
void
GenericPluginUI::build ()
{
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;
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->set_label (_("Switches"));
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);
std::vector<ControlUI *> control_uis;
// Build a ControlUI for each control port
for (i = 0; i < plugin->parameter_count(); ++i) {
if (plugin->parameter_is_control (i)) {
/* Don't show latency control ports */
const Evoral::Parameter param(PluginAutomation, 0, i);
if (plugin->describe_parameter (param) == X_("latency")) {
continue;
}
if (plugin->describe_parameter (param) == X_("hidden")) {
continue;
}
const float value = plugin->get_parameter(i);
ControlUI* cui;
boost::shared_ptr<ARDOUR::AutomationControl> c
= boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(
insert->control(param));
ParameterDescriptor desc;
plugin->get_parameter_descriptor(i, desc);
if ((cui = build_control_ui (param, desc, c, value, plugin->parameter_is_input(i))) == 0) {
error << string_compose(_("Plugin Editor: could not build control element for port %1"), i) << endmsg;
continue;
}
const std::string param_docs = plugin->get_parameter_docs(i);
if (!param_docs.empty()) {
ARDOUR_UI::instance()->set_tip(cui, param_docs.c_str());
}
control_uis.push_back(cui);
input_controls_with_automation.push_back (cui);
}
}
// Build a ControlUI for each property
const Plugin::PropertyDescriptors& descs = plugin->get_supported_properties();
for (Plugin::PropertyDescriptors::const_iterator d = descs.begin(); d != descs.end(); ++d) {
const ParameterDescriptor& desc = d->second;
const Evoral::Parameter param(PluginPropertyAutomation, 0, desc.key);
boost::shared_ptr<ARDOUR::AutomationControl> c
= boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(
insert->control(param));
if (!c) {
error << string_compose(_("Plugin Editor: no control for property %1"), desc.key) << endmsg;
continue;
}
ControlUI* cui = build_control_ui(param, desc, c, c->get_value(), true);
if (!cui) {
error << string_compose(_("Plugin Editor: could not build control element for property %1"),
desc.key) << endmsg;
continue;
}
control_uis.push_back(cui);
}
if (!descs.empty()) {
plugin->announce_property_values();
}
// Add special controls to UI, and build list of normal controls to be layed out later
std::vector<ControlUI *> cui_controls_list;
for (i = 0; i < control_uis.size(); ++i) {
ControlUI* cui = control_uis[i];
if (cui->controller || cui->clickbox || cui->combo) {
// Get all of the controls into a list, so that
// we can lay them out a bit more nicely later.
cui_controls_list.push_back(cui);
} else if (cui->button || cui->file_button) {
if (!is_scrollable && 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);
}
}
}
// Iterate over the list of controls to find which adjacent controls
// are similar enough to be grouped together.
string label, previous_label = "";
std::vector<int> numbers_in_labels(cui_controls_list.size());
std::vector<float> similarity_scores(cui_controls_list.size());
float most_similar = 0.0, least_similar = 1.0;
i = 0;
for (vector<ControlUI*>::iterator cuip = cui_controls_list.begin(); cuip != cui_controls_list.end(); ++cuip, ++i) {
label = (*cuip)->label.get_text();
numbers_in_labels[i] = get_number(label);
if (i > 0) {
// A hand-wavy calculation of how similar this control's
// label is to the previous.
similarity_scores[i] =
(float) (
( matching_chars_at_head(label, previous_label) +
matching_chars_at_tail(label, previous_label) +
1
)
) / (label.length() + previous_label.length());
if (numbers_in_labels[i] >= 0) {
similarity_scores[i] += (numbers_in_labels[i] == numbers_in_labels[i-1]);
}
least_similar = min(least_similar, similarity_scores[i]);
most_similar = max(most_similar, similarity_scores[i]);
} else {
similarity_scores[0] = 1.0;
}
// cerr << "label: " << label << " sim: " << fixed << setprecision(3) << similarity_scores[i] << " num: " << numbers_in_labels[i] << endl;
previous_label = label;
}
// cerr << "most similar: " << most_similar << ", least similar: " << least_similar << endl;
float similarity_threshold;
if (most_similar > 1.0) {
similarity_threshold = default_similarity_threshold;
} else {
similarity_threshold = most_similar - (1 - default_similarity_threshold);
}
// Now iterate over the list of controls to display them, placing an
// HSeparator between controls of less than a certain similarity, and
// starting a new column when necessary.
i = 0;
for (vector<ControlUI*>::iterator cuip = cui_controls_list.begin(); cuip != cui_controls_list.end(); ++cuip, ++i) {
ControlUI* cui = *cuip;
if (!is_scrollable) {
x++;
}
if (x > max_controls_per_column || similarity_scores[i] <= similarity_threshold) {
if (x > min_controls_per_column) {
frame = manage (new Frame);
frame->set_name ("BaseFrame");
frame->set_label (_("Controls"));
box = manage (new VBox);
box->set_border_width (5);
box->set_spacing (1);
frame->add (*box);
hpacker.pack_start(*frame, true, true);
x = 0;
} else {
HSeparator *split = new HSeparator();
split->set_size_request(-1, 5);
box->pack_start(*split, false, false, 0);
}
}
box->pack_start (*cui, false, false);
}
if (is_scrollable) {
prefheight = 30 * i;
}
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->set_label(_("Meters"));
frame->add (output_table);
hpacker.pack_end (*frame, true, true);
}
output_update ();
output_table.show_all ();
button_table.show_all ();
automation_manual_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Off));
automation_play_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Play));
automation_write_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Write));
automation_touch_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Touch));
}
GenericPluginUI::ControlUI::ControlUI (const Evoral::Parameter& p)
: param(p)
, automate_button (X_("")) // force creation of a label
, file_button(NULL)
{
automate_button.set_name ("PluginAutomateButton");
ARDOUR_UI::instance()->set_tip (automate_button, _("Automation control"));
/* XXX translators: use a string here that will be at least as long
as the longest automation label (see ::automation_state_changed()
below). be sure to include a descender.
*/
set_size_request_to_display_given_text (automate_button, _("Mgnual"), 15, 10);
ignore_change = 0;
display = 0;
button = 0;
clickbox = 0;
meterinfo = 0;
}
GenericPluginUI::ControlUI::~ControlUI()
{
if (meterinfo) {
delete meterinfo->meter;
delete meterinfo;
}
}
void
GenericPluginUI::automation_state_changed (ControlUI* cui)
{
/* update button label */
// don't lock to avoid deadlock because we're triggered by
// AutomationControl::Changed() while the automation lock is taken
switch (insert->get_parameter_automation_state (cui->parameter()) & (ARDOUR::Off|Play|Touch|Write)) {
case ARDOUR::Off:
cui->automate_button.set_label (S_("Automation|Manual"));
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;
}
}
bool
GenericPluginUI::integer_printer (char buf[32], Adjustment &adj, ControlUI* cui)
{
float const v = cui->control->interface_to_internal(adj.get_value ());
const std::string& str = ARDOUR::value_as_string(cui->control->desc(), Variant(v));
const size_t len = str.copy(buf, 31);
buf[len] = '\0';
return true;
}
bool
GenericPluginUI::midinote_printer (char buf[32], Adjustment &adj, ControlUI* cui)
{
float const v = cui->control->interface_to_internal(adj.get_value ());
const std::string& str = ARDOUR::value_as_string(cui->control->desc(), Variant(v));
const size_t len = str.copy(buf, 31);
buf[len] = '\0';
return true;
}
void
GenericPluginUI::print_parameter (char *buf, uint32_t len, uint32_t param)
{
plugin->print_parameter (param, buf, len);
}
/** Build a ControlUI for a parameter/property.
* Note that mcontrol may be NULL for outputs.
*/
GenericPluginUI::ControlUI*
GenericPluginUI::build_control_ui (const Evoral::Parameter& param,
const ParameterDescriptor& desc,
boost::shared_ptr<AutomationControl> mcontrol,
float value,
bool is_input)
{
ControlUI* control_ui = 0;
control_ui = manage (new ControlUI (param));
control_ui->combo = 0;
control_ui->control = mcontrol;
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);
Gtk::Requisition req (control_ui->automate_button.size_request());
if (is_input) {
/* See if there any named values for our input value */
control_ui->scale_points = desc.scale_points;
/* If this parameter is an integer, work out the number of distinct values
it can take on (assuming that lower and upper values are allowed).
*/
int const steps = desc.integer_step ? (desc.upper - desc.lower + 1) / desc.step : 0;
if (control_ui->scale_points && ((steps && int (control_ui->scale_points->size()) == steps) || desc.enumeration)) {
/* Either:
* a) There is a label for each possible value of this input, or
* b) This port is marked as being an enumeration.
*/
std::vector<std::string> labels;
for (
ARDOUR::ScalePoints::const_iterator i = control_ui->scale_points->begin();
i != control_ui->scale_points->end();
++i) {
labels.push_back(i->first);
}
control_ui->combo = new Gtk::ComboBoxText();
set_popdown_strings(*control_ui->combo, labels);
control_ui->combo->signal_changed().connect(
sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::control_combo_changed),
control_ui));
mcontrol->Changed.connect(control_connections, invalidator(*this),
boost::bind(&GenericPluginUI::ui_parameter_changed,
this, control_ui),
gui_context());
control_ui->pack_start(control_ui->label, true, true);
control_ui->pack_start(*control_ui->combo, false, true);
update_control_display(control_ui);
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 (sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::control_port_toggled), control_ui));
control_ui->automate_button.signal_clicked().connect (bind (mem_fun(*this, &GenericPluginUI::astate_clicked), control_ui));
mcontrol->Changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::toggle_parameter_changed, this, control_ui), gui_context());
mcontrol->alist()->automation_state_changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::automation_state_changed, this, control_ui), gui_context());
if (value > 0.5){
control_ui->button->set_active(true);
}
automation_state_changed (control_ui);
return control_ui;
}
if (desc.datatype == Variant::PATH) {
/* Build a file selector button */
// Create/add controller
control_ui->file_button = manage(new Gtk::FileChooserButton(Gtk::FILE_CHOOSER_ACTION_OPEN));
control_ui->file_button->set_title(desc.label);
control_ui->pack_start (control_ui->label, true, true);
control_ui->pack_start (*control_ui->file_button, true, true);
// Connect signals (TODO: do this via the Control)
control_ui->file_button->signal_file_set().connect(
sigc::bind(sigc::mem_fun(*this, &GenericPluginUI::set_property),
desc, control_ui->file_button));
plugin->PropertyChanged.connect(*this, invalidator(*this),
boost::bind(&GenericPluginUI::property_changed, this, _1, _2),
gui_context());
_property_controls.insert(std::make_pair(desc.key, control_ui->file_button));
control_ui->file_button = control_ui->file_button;
return control_ui;
}
/* create the controller */
if (mcontrol) {
control_ui->controller = AutomationController::create(insert, mcontrol->parameter(), desc, mcontrol);
}
/* XXX this code is not right yet, because it doesn't handle
the absence of bounds in any sensible fashion.
*/
Adjustment* adj = control_ui->controller->adjustment();
if (desc.integer_step) {
control_ui->clickbox = new ClickBox (adj, "PluginUIClickBox", desc.enumeration);
Gtkmm2ext::set_size_request_to_display_given_text (*control_ui->clickbox, "g9999999", 2, 2);
if (desc.unit == ParameterDescriptor::MIDI_NOTE) {
control_ui->clickbox->set_printer (sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::midinote_printer), control_ui));
} else {
control_ui->clickbox->set_printer (sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::integer_printer), control_ui));
}
} else {
//sigc::slot<void,char*,uint32_t> pslot = sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::print_parameter), (uint32_t) port_index);
control_ui->controller->set_size_request (200, req.height);
control_ui->controller->set_name (X_("ProcessorControlSlider"));
}
adj->set_value (mcontrol->internal_to_interface(value));
/* 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->controller, false, false);
}
control_ui->pack_start (control_ui->automate_button, false, false);
control_ui->automate_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::astate_clicked), control_ui));
automation_state_changed (control_ui);
mcontrol->alist()->automation_state_changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::automation_state_changed, this, control_ui), gui_context());
input_controls.push_back (control_ui);
input_controls_with_automation.push_back (control_ui);
} else if (!is_input) {
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, "-888.8g", 2, 6);
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();
control_ui->meterinfo = info;
info->meter = new FastMeter (
5, 5, FastMeter::Vertical, 0,
0x0000aaff,
0x008800ff, 0x008800ff,
0x00ff00ff, 0x00ff00ff,
0xcccc00ff, 0xcccc00ff,
0xffaa00ff, 0xffaa00ff,
0xff0000ff,
ARDOUR_UI::config()->color ("meter background bottom"),
ARDOUR_UI::config()->color ("meter background top")
);
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->hbox->set_spacing(1);
control_ui->vbox->set_spacing(3);
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);
}
if (mcontrol) {
mcontrol->Changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::ui_parameter_changed, this, control_ui), gui_context());
}
return control_ui;
}
void
GenericPluginUI::astate_clicked (ControlUI* cui)
{
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 (S_("Automation|Manual"),
sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) ARDOUR::Off, cui)));
items.push_back (MenuElem (_("Play"),
sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Play, cui)));
items.push_back (MenuElem (_("Write"),
sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Write, cui)));
items.push_back (MenuElem (_("Touch"),
sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Touch, cui)));
automation_menu->popup (1, gtk_get_current_event_time());
}
void
GenericPluginUI::set_all_automation (AutoState as)
{
for (vector<ControlUI*>::iterator i = input_controls_with_automation.begin(); i != input_controls_with_automation.end(); ++i) {
if ((*i)->controller || (*i)->button) {
set_automation_state (as, (*i));
}
}
}
void
GenericPluginUI::set_automation_state (AutoState state, ControlUI* cui)
{
insert->set_parameter_automation_state (cui->parameter(), state);
}
void
GenericPluginUI::toggle_parameter_changed (ControlUI* cui)
{
float val = cui->control->get_value();
if (!cui->ignore_change) {
if (val > 0.5) {
cui->button->set_active (true);
cui->button->set_name ("PluginEditorButton-active");
} else {
cui->button->set_active (false);
cui->button->set_name ("PluginEditorButton");
}
}
}
void
GenericPluginUI::ui_parameter_changed (ControlUI* cui)
{
if (!cui->update_pending) {
cui->update_pending = true;
Gtkmm2ext::UI::instance()->call_slot (MISSING_INVALIDATOR, boost::bind (&GenericPluginUI::update_control_display, this, cui));
}
}
void
GenericPluginUI::update_control_display (ControlUI* cui)
{
/* XXX how do we handle logarithmic stuff here ? */
cui->update_pending = false;
float val = cui->control->get_value();
cui->ignore_change++;
if (cui->combo && cui->scale_points) {
for (ARDOUR::ScalePoints::iterator it = cui->scale_points->begin(); it != cui->scale_points->end(); ++it) {
if (it->second == val) {
cui->combo->set_active_text(it->first);
break;
}
}
} else if (cui->button) {
if (val > 0.5) {
cui->button->set_active (true);
} else {
cui->button->set_active (false);
}
}
if( cui->controller ) {
cui->controller->display_effective_value();
}
/*} else {
if (cui->logarithmic) {
val = log(val);
}
if (val != cui->adjustment->get_value()) {
cui->adjustment->set_value (val);
}
}*/
cui->ignore_change--;
}
void
GenericPluginUI::control_port_toggled (ControlUI* cui)
{
cui->ignore_change++;
const bool active = cui->button->get_active();
if (active) {
cui->button->set_name ("PluginEditorButton-active");
} else {
cui->button->set_name ("PluginEditorButton");
}
insert->automation_control (cui->parameter())->set_value (active);
cui->ignore_change--;
}
void
GenericPluginUI::control_combo_changed (ControlUI* cui)
{
if (!cui->ignore_change && cui->scale_points) {
string value = cui->combo->get_active_text();
insert->automation_control (cui->parameter())->set_value ((*cui->scale_points)[value]);
}
}
bool
GenericPluginUI::start_updating (GdkEventAny*)
{
if (output_controls.size() > 0 ) {
screen_update_connection.disconnect();
screen_update_connection = Timers::super_rapid_connect (sigc::mem_fun(*this, &GenericPluginUI::output_update));
}
return false;
}
bool
GenericPluginUI::stop_updating (GdkEventAny*)
{
for (vector<ControlUI*>::iterator i = input_controls.begin(); i != input_controls.end(); ++i) {
(*i)->controller->stop_updating ();
}
if (output_controls.size() > 0 ) {
screen_update_connection.disconnect();
}
return false;
}
void
GenericPluginUI::output_update ()
{
for (vector<ControlUI*>::iterator i = output_controls.begin(); i != output_controls.end(); ++i) {
float val = plugin->get_parameter ((*i)->parameter().id());
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 );
}
}
}
}
void
GenericPluginUI::set_property (const ParameterDescriptor& desc,
Gtk::FileChooserButton* widget)
{
plugin->set_property(desc.key, Variant(Variant::PATH, widget->get_filename()));
}
void
GenericPluginUI::property_changed (uint32_t key, const Variant& value)
{
PropertyControls::iterator c = _property_controls.find(key);
if (c != _property_controls.end()) {
c->second->set_filename(value.get_path());
} else {
std::cerr << "warning: property change for property with no control" << std::endl;
}
}
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