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livetrax/gtk2_ardour/option_editor.cc

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/*
Copyright (C) 2001-2009 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.
*/
#include <gtkmm/box.h>
#include <gtkmm/alignment.h>
#include "gtkmm2ext/utils.h"
#include "ardour/configuration.h"
#include "ardour/utils.h"
#include "ardour/dB.h"
#include "option_editor.h"
#include "gui_thread.h"
#include "utils.h"
#include "i18n.h"
using namespace std;
using namespace Gtk;
using namespace Gtkmm2ext;
using namespace ARDOUR;
void
OptionEditorComponent::add_widget_to_page (OptionEditorPage* p, Gtk::Widget* w)
{
int const n = p->table.property_n_rows();
p->table.resize (n + 1, 3);
p->table.attach (*w, 1, 3, n, n + 1, FILL | EXPAND);
}
void
OptionEditorComponent::add_widgets_to_page (OptionEditorPage* p, Gtk::Widget* wa, Gtk::Widget* wb)
{
int const n = p->table.property_n_rows();
p->table.resize (n + 1, 3);
p->table.attach (*wa, 1, 2, n, n + 1, FILL);
p->table.attach (*wb, 2, 3, n, n + 1, FILL | EXPAND);
}
OptionEditorHeading::OptionEditorHeading (string const & h)
{
std::stringstream s;
s << "<b>" << h << "</b>";
_label = manage (new Label (s.str()));
_label->set_alignment (0, 0.5);
_label->set_use_markup (true);
}
void
OptionEditorHeading::add_to_page (OptionEditorPage* p)
{
int const n = p->table.property_n_rows();
p->table.resize (n + 2, 3);
p->table.attach (*manage (new Label ("")), 0, 3, n, n + 1, FILL | EXPAND);
p->table.attach (*_label, 0, 3, n + 1, n + 2, FILL | EXPAND);
}
void
OptionEditorBox::add_to_page (OptionEditorPage* p)
{
add_widget_to_page (p, _box);
}
BoolOption::BoolOption (string const & i, string const & n, sigc::slot<bool> g, sigc::slot<bool, bool> s)
: Option (i, n),
_get (g),
_set (s)
{
_button = manage (new CheckButton (n));
_button->set_active (_get ());
_button->signal_toggled().connect (sigc::mem_fun (*this, &BoolOption::toggled));
}
void
BoolOption::add_to_page (OptionEditorPage* p)
{
add_widget_to_page (p, _button);
}
void
BoolOption::set_state_from_config ()
{
_button->set_active (_get ());
}
void
BoolOption::toggled ()
{
_set (_button->get_active ());
}
EntryOption::EntryOption (string const & i, string const & n, sigc::slot<string> g, sigc::slot<bool, string> s)
: Option (i, n),
_get (g),
_set (s)
{
_label = manage (new Label (n + ":"));
_label->set_alignment (1, 0.5);
_entry = manage (new Entry);
_entry->signal_activate().connect (sigc::mem_fun (*this, &EntryOption::activated));
}
void
EntryOption::add_to_page (OptionEditorPage* p)
{
add_widgets_to_page (p, _label, _entry);
}
void
EntryOption::set_state_from_config ()
{
_entry->set_text (_get ());
}
void
EntryOption::activated ()
{
_set (_entry->get_text ());
}
FaderOption::FaderOption (string const & i, string const & n, sigc::slot<gain_t> g, sigc::slot<bool, gain_t> s)
: Option (i, n)
// 0.781787 is the value needed for gain to be set to 0.
, _db_adjustment (0.781787, 0, 1, 0.01, 0.1)
, _get (g)
, _set (s)
{
_pix = ::get_icon (X_("fader_belt_h"));
if (_pix == 0) {
throw failed_constructor ();
}
_db_slider = manage (new HSliderController (_pix,
&_db_adjustment,
115,
false));
_label.set_text (n + ":");
_label.set_name (X_("OptionsLabel"));
_box.set_spacing (4);
_box.pack_start (*_db_slider, false, false);
_box.pack_start (_db_display, false, false);
_box.show_all ();
set_size_request_to_display_given_text (_db_display, "-99.0", 12, 12);
_db_adjustment.signal_value_changed().connect (sigc::mem_fun (*this, &FaderOption::db_changed));
}
void
FaderOption::set_state_from_config ()
{
gain_t const val = _get ();
_db_adjustment.set_value (gain_to_slider_position (val));
char buf[16];
if (val == 0.0) {
snprintf (buf, sizeof (buf), "-inf");
} else {
snprintf (buf, sizeof (buf), "%.2f", accurate_coefficient_to_dB (val));
}
_db_display.set_text (buf);
}
void
FaderOption::db_changed ()
{
_set (slider_position_to_gain (_db_adjustment.get_value ()));
}
void
FaderOption::add_to_page (OptionEditorPage* p)
{
add_widgets_to_page (p, &_label, &_box);
}
OptionEditorPage::OptionEditorPage (Gtk::Notebook& n, std::string const & t)
: table (1, 3)
{
table.set_spacings (4);
table.set_col_spacing (0, 32);
box.pack_start (table, false, false);
box.set_border_width (4);
n.append_page (box, t);
}
/** Construct an OptionEditor.
* @param o Configuration to edit.
* @param t Title for the dialog.
*/
OptionEditor::OptionEditor (Configuration* c, std::string const & t)
: ArdourDialog (t, false), _config (c)
{
using namespace Notebook_Helpers;
set_default_size (300, 300);
set_wmclass (X_("ardour_preferences"), PROGRAM_NAME);
set_name ("Preferences");
add_events (Gdk::KEY_PRESS_MASK | Gdk::KEY_RELEASE_MASK);
set_border_width (4);
get_vbox()->set_spacing (4);
get_vbox()->pack_start (_notebook);
_notebook.set_show_tabs (true);
_notebook.set_show_border (true);
_notebook.set_name ("OptionsNotebook");
show_all_children();
/* Watch out for changes to parameters */
_config->ParameterChanged.connect (config_connection, invalidator (*this), ui_bind (&OptionEditor::parameter_changed, this, _1), gui_context());
}
OptionEditor::~OptionEditor ()
{
for (std::map<std::string, OptionEditorPage*>::iterator i = _pages.begin(); i != _pages.end(); ++i) {
for (std::list<OptionEditorComponent*>::iterator j = i->second->components.begin(); j != i->second->components.end(); ++j) {
delete *j;
}
delete i->second;
}
}
/** Called when a configuration parameter has been changed.
* @param p Parameter name.
*/
void
OptionEditor::parameter_changed (std::string const & p)
{
ENSURE_GUI_THREAD (*this, &OptionEditor::parameter_changed, p)
for (std::map<std::string, OptionEditorPage*>::iterator i = _pages.begin(); i != _pages.end(); ++i) {
for (std::list<OptionEditorComponent*>::iterator j = i->second->components.begin(); j != i->second->components.end(); ++j) {
(*j)->parameter_changed (p);
}
}
}
/** Add a component to a given page.
* @param pn Page name (will be created if it doesn't already exist)
* @param o Component.
*/
void
OptionEditor::add_option (std::string const & pn, OptionEditorComponent* o)
{
if (_pages.find (pn) == _pages.end()) {
_pages[pn] = new OptionEditorPage (_notebook, pn);
}
OptionEditorPage* p = _pages[pn];
p->components.push_back (o);
o->add_to_page (p);
o->set_state_from_config ();
}