Rework Patch-Change/Select Dialog

1 files changed, 290 insertions, 0 deletions

diff --git a/gtk2_ardour/patch_change_widget.cc b/gtk2_ardour/patch_change_widget.cc
new file mode 100644
index 0000000000..e4409b1945
--- /dev/null
+++ b/gtk2_ardour/patch_change_widget.cc
@@ -0,0 +1,290 @@
+/*
+ * Copyright (C) 2017 Robin Gareus <robin@gareus.org>
+ * Copyright (C) 2011 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#include <gtkmm/frame.h>
+#include <boost/algorithm/string.hpp>
+
+#include "pbd/unwind.h"
+#include "evoral/PatchChange.hpp"
+#include "midi++/midnam_patch.h"
+#include "ardour/instrument_info.h"
+#include "ardour/midi_track.h"
+
+#include "widgets/tooltips.h"
+
+#include "gui_thread.h"
+#include "patch_change_widget.h"
+#include "ui_config.h"
+
+#include "pbd/i18n.h"
+
+using namespace Gtk;
+using namespace ARDOUR;
+
+PatchChangeWidget::PatchChangeWidget (boost::shared_ptr<ARDOUR::Route> r)
+	: _route (r)
+	, _bank_msb_spin (*manage (new Adjustment (0, 0, 127, 1, 16)))
+	, _bank_lsb_spin (*manage (new Adjustment (0, 0, 127, 1, 16)))
+	, _program_table (/*rows*/ 16, /*cols*/ 8, true)
+	, _channel (-1)
+	, _ignore_spin_btn_signals (false)
+	, _info (r->instrument_info ())
+{
+	assert (boost::dynamic_pointer_cast<MidiTrack> (r));
+
+	Box* box;
+	box = manage (new HBox ());
+	box->set_border_width (2);
+	box->set_spacing (4);
+	box->pack_start (*manage (new Label (_("Channel:"))), false, false);
+	box->pack_start (_channel_select, false, false);
+	box->pack_start (*manage (new Label (_("Bank:"))), false, false);
+	box->pack_start (_bank_select, true, true);
+	box->pack_start (*manage (new Label (_("MSB:"))), false, false);
+	box->pack_start (_bank_msb_spin, false, false);
+	box->pack_start (*manage (new Label (_("LSB:"))), false, false);
+	box->pack_start (_bank_lsb_spin, false, false);
+
+	pack_start (*box, false, false);
+
+	_program_table.set_spacings (1);
+	pack_start (_program_table, true, true);
+
+	for (uint8_t pgm = 0; pgm < 128; ++pgm) {
+		_program_btn[pgm].set_text_ellipsize (Pango::ELLIPSIZE_END);
+		_program_btn[pgm].set_layout_ellipsize_width (PANGO_SCALE * 112 * UIConfiguration::instance ().get_ui_scale ());
+		int row = pgm % 16;
+		int col = pgm / 16;
+		_program_table.attach (_program_btn[pgm], col, col + 1, row, row + 1);
+		_program_btn[pgm].signal_clicked.connect (sigc::bind (sigc::mem_fun (*this, &PatchChangeWidget::select_program), pgm));
+	}
+
+	using namespace Menu_Helpers;
+	for (uint32_t chn = 0; chn < 16; ++chn) {
+		char buf[8];
+		snprintf (buf, sizeof(buf), "%d", chn + 1);
+		_channel_select.AddMenuElem (MenuElem (buf, sigc::bind (sigc::mem_fun (*this, &PatchChangeWidget::select_channel), chn)));
+	}
+
+	_bank_msb_spin.signal_changed().connect (sigc::mem_fun (*this, &PatchChangeWidget::select_bank_spin));
+	_bank_lsb_spin.signal_changed().connect (sigc::mem_fun (*this, &PatchChangeWidget::select_bank_spin));
+
+	_info.Changed.connect (_info_changed_connection, invalidator (*this),
+			boost::bind (&PatchChangeWidget::instrument_info_changed, this), gui_context());
+
+	set_spacing (4);
+	show_all ();
+}
+
+PatchChangeWidget::~PatchChangeWidget ()
+{
+}
+
+void
+PatchChangeWidget::on_show ()
+{
+	Gtk::VBox::on_show ();
+	_channel = -1;
+	select_channel (0);
+}
+
+void
+PatchChangeWidget::on_hide ()
+{
+	Gtk::VBox::on_hide ();
+	_ac_connections.drop_connections ();
+}
+
+
+void
+PatchChangeWidget::select_channel (uint8_t chn)
+{
+	assert (_route);
+
+	if (_channel == chn) {
+		return;
+	}
+
+	_channel_select.set_text (string_compose ("%1", (int)(chn + 1)));
+	_channel = chn;
+
+	_ac_connections.drop_connections ();
+
+	boost::shared_ptr<AutomationControl> bank_msb = _route->automation_control(Evoral::Parameter (MidiCCAutomation, chn, MIDI_CTL_MSB_BANK), true);
+	boost::shared_ptr<AutomationControl> bank_lsb = _route->automation_control(Evoral::Parameter (MidiCCAutomation, chn, MIDI_CTL_LSB_BANK), true);
+	boost::shared_ptr<AutomationControl> program = _route->automation_control(Evoral::Parameter (MidiPgmChangeAutomation, chn), true); 
+
+	bank_msb->Changed.connect (_ac_connections, invalidator (*this),
+			boost::bind (&PatchChangeWidget::bank_changed, this), gui_context ());
+	bank_lsb->Changed.connect (_ac_connections, invalidator (*this),
+			boost::bind (&PatchChangeWidget::bank_changed, this), gui_context ());
+	program->Changed.connect (_ac_connections, invalidator (*this),
+			boost::bind (&PatchChangeWidget::program_changed, this), gui_context ());
+
+	refill_banks ();
+}
+
+void
+PatchChangeWidget::refill_banks ()
+{
+	using namespace Menu_Helpers;
+
+	_current_patch_bank.reset ();
+	_bank_select.clear_items ();
+
+	const int b = bank (_channel);
+
+	{
+		PBD::Unwinder<bool> (_ignore_spin_btn_signals, true);
+		_bank_msb_spin.set_value (b >> 7);
+		_bank_lsb_spin.set_value (b & 127);
+	}
+
+	boost::shared_ptr<MIDI::Name::ChannelNameSet> cns = _info.get_patches (_channel);
+	if (cns) {
+		for (MIDI::Name::ChannelNameSet::PatchBanks::const_iterator i = cns->patch_banks().begin(); i != cns->patch_banks().end(); ++i) {
+			std::string n = (*i)->name ();
+			boost::replace_all (n, "_", " ");
+			_bank_select.AddMenuElem (MenuElem (n, sigc::bind (sigc::mem_fun (*this, &PatchChangeWidget::select_bank), (*i)->number ())));
+			if ((*i)->number () == b) {
+				_current_patch_bank = *i;
+				_bank_select.set_text (n);
+			}
+		}
+	}
+
+	if (!_current_patch_bank) {
+		std::string n = string_compose (_("Bank %1"), b);
+		_bank_select.AddMenuElem (MenuElem (n, sigc::bind (sigc::mem_fun (*this, &PatchChangeWidget::select_bank), b)));
+		_bank_select.set_text (n);
+	}
+
+	refill_program_list ();
+}
+
+void
+PatchChangeWidget::refill_program_list ()
+{
+	// TODO if _current_patch_bank!=0, only clear/reset unused patches
+	for (uint8_t pgm = 0; pgm < 128; ++pgm) {
+		std::string n = string_compose (_("Pgm-%1"), (int)(pgm +1));
+		_program_btn[pgm].set_text (n);
+		set_tooltip (_program_btn[pgm], n);
+	}
+
+	if (_current_patch_bank) {
+		const MIDI::Name::PatchNameList& patches = _current_patch_bank->patch_name_list ();
+		for (MIDI::Name::PatchNameList::const_iterator i = patches.begin(); i != patches.end(); ++i) {
+			std::string n = (*i)->name ();
+			boost::replace_all (n, "_", " ");
+			MIDI::Name::PatchPrimaryKey const& key = (*i)->patch_primary_key ();
+
+			assert (key.program () < 128);
+			assert (key.bank () == bank (_channel));
+
+			const uint8_t pgm = key.program();
+			_program_btn[pgm].set_text (n);
+			set_tooltip (_program_btn[pgm], string_compose (_("%1 (Pgm-%2)"), n, (int)(pgm +1)));
+			}
+	}
+
+	program_changed ();
+}
+
+/* ***** user GUI actions *****/
+
+void
+PatchChangeWidget::select_bank_spin ()
+{
+	if (_ignore_spin_btn_signals) {
+		return;
+	}
+	const uint32_t b = (_bank_msb_spin.get_value_as_int() << 7) + _bank_lsb_spin.get_value_as_int();
+	select_bank (b);
+}
+
+void
+PatchChangeWidget::select_bank (uint32_t bank)
+{
+	boost::shared_ptr<AutomationControl> bank_msb = _route->automation_control(Evoral::Parameter (MidiCCAutomation, _channel, MIDI_CTL_MSB_BANK), true);
+	boost::shared_ptr<AutomationControl> bank_lsb = _route->automation_control(Evoral::Parameter (MidiCCAutomation, _channel, MIDI_CTL_LSB_BANK), true);
+
+	bank_msb->set_value (bank >> 7, PBD::Controllable::NoGroup);
+	bank_lsb->set_value (bank & 127, PBD::Controllable::NoGroup);
+}
+
+void
+PatchChangeWidget::select_program (uint8_t pgm)
+{
+	boost::shared_ptr<AutomationControl> program = _route->automation_control(Evoral::Parameter (MidiPgmChangeAutomation, _channel), true);
+	program->set_value (pgm, PBD::Controllable::NoGroup);
+}
+
+/* ***** callbacks, external changes *****/
+
+void
+PatchChangeWidget::bank_changed ()
+{
+	// TODO optimize, just find the bank, set the text and refill_program_list()
+	refill_banks ();
+}
+
+void
+PatchChangeWidget::program_changed ()
+{
+	uint8_t p = program (_channel);
+	for (uint8_t pgm = 0; pgm < 128; ++pgm) {
+		_program_btn[pgm].set_active (pgm == p);
+	}
+}
+
+void
+PatchChangeWidget::instrument_info_changed ()
+{
+	refill_banks ();
+}
+
+
+/* ***** query info *****/
+
+int
+PatchChangeWidget::bank (uint8_t chn) const
+{
+	boost::shared_ptr<AutomationControl> bank_msb = _route->automation_control(Evoral::Parameter (MidiCCAutomation, chn, MIDI_CTL_MSB_BANK), true);
+	boost::shared_ptr<AutomationControl> bank_lsb = _route->automation_control(Evoral::Parameter (MidiCCAutomation, chn, MIDI_CTL_LSB_BANK), true);
+
+	return ((int)bank_msb->get_value () << 7) + (int)bank_lsb->get_value();
+}
+
+uint8_t 
+PatchChangeWidget::program (uint8_t chn) const
+{
+	boost::shared_ptr<AutomationControl> program = _route->automation_control(Evoral::Parameter (MidiPgmChangeAutomation, chn), true); 
+	return program->get_value();
+}
+
+/* ***************************************************************************/
+
+PatchChangeGridDialog::PatchChangeGridDialog (std::string const& title, boost::shared_ptr<ARDOUR::Route> r)
+	: ArdourDialog (title, false, false)
+	, w (r)
+{
+	get_vbox()->add (w);
+	w.show ();
+}