Add menu option to insert program changes.

git-svn-id: svn://localhost/ardour2/branches/3.0@8330 d708f5d6-7413-0410-9779-e7cbd77b26cf

gtk2_ardour/ardour.menus.in

@@ -258,6 +258,7 @@
 		      <menuitem action='lower-region-to-bottom'/>
               </menu>
 	      <menu action='RegionMenuMIDI'>
+	              <menuitem action='insert-program-change'/>
 	              <menuitem action='quantize-region'/>
 	              <menuitem action='fork-region'/>
 		      <menuitem action='show-region-list-editor'/>
@@ -592,6 +593,7 @@
 		      <menuitem action='lower-region-to-bottom'/>
               </menu>
 	      <menu action='RegionMenuMIDI'>
+	              <menuitem action='insert-program-change'/>
 	              <menuitem action='quantize-region'/>
 	              <menuitem action='fork-region'/>
 		      <menuitem action='show-region-list-editor'/>

gtk2_ardour/editor.h

@@ -1090,6 +1090,7 @@ class Editor : public PublicEditor, public PBD::ScopedConnectionList, public ARD
 	void reset_region_scale_amplitude ();
 	void adjust_region_gain (bool up);
 	void quantize_region ();
+	void insert_program_change ();
 	void fork_region ();
 
 	void do_insert_time ();

gtk2_ardour/editor_actions.cc

@@ -1469,6 +1469,7 @@ Editor::register_region_actions ()
 		);
 
 	reg_sens (_region_actions, "quantize-region", _("Quantize"), sigc::mem_fun (*this, &Editor::quantize_region));
+	reg_sens (_region_actions, "insert-program-change", _("Insert Program Change..."), sigc::mem_fun (*this, &Editor::insert_program_change));
 	reg_sens (_region_actions, "fork-region", _("Fork"), sigc::mem_fun (*this, &Editor::fork_region));
 	reg_sens (_region_actions, "strip-region-silence", _("Strip Silence..."), sigc::mem_fun (*this, &Editor::strip_region_silence));
 	reg_sens (_region_actions, "set-selection-from-region", _("Set Range Selection"), sigc::mem_fun (*this, &Editor::set_selection_from_region));

gtk2_ardour/editor_drag.cc

@@ -1776,6 +1776,8 @@ TrimDrag::setup_pointer_frame_offset ()
 	case EndTrim:
 		_pointer_frame_offset = raw_grab_frame() - i->initial_end;
 		break;
+	case ContentsTrim:
+		break;
 	}
 }
 

gtk2_ardour/editor_ops.cc

@@ -84,6 +84,7 @@
 #include "normalize_dialog.h"
 #include "editor_cursors.h"
 #include "mouse_cursors.h"
+#include "program_change_dialog.h"
 
 #include "i18n.h"
 
@@ -4704,6 +4705,31 @@ Editor::quantize_region ()
 	}
 }
 
+void
+Editor::insert_program_change ()
+{
+	RegionSelection rs = get_regions_from_selection_and_entered ();
+	if (rs.empty ()) {
+		return;
+	}
+
+	ProgramChangeDialog d;
+	if (d.run() == RESPONSE_CANCEL) {
+		return;
+	}
+
+	framepos_t const p = get_preferred_edit_position (false);
+
+	for (RegionSelection::iterator i = rs.begin (); i != rs.end(); ++i) {
+		MidiRegionView* const mrv = dynamic_cast<MidiRegionView*> (*i);
+		if (mrv) {
+			if (p >= mrv->region()->first_frame() && p <= mrv->region()->last_frame()) {
+				mrv->add_program_change (p - mrv->region()->position(), d.channel (), d.program ());
+			}
+		}
+	}
+}
+
 void
 Editor::apply_filter (Filter& filter, string command, ProgressReporter* progress)
 {

gtk2_ardour/midi_region_view.cc

@@ -1111,12 +1111,12 @@ MidiRegionView::display_program_changes_on_channel(uint8_t channel)
 		PCEvent program_change(event_time, uint8_t(program_number), channel);
 
 		if (patch != 0) {
-			add_pgm_change(program_change, patch->name());
+			add_canvas_program_change (program_change, patch->name());
 		} else {
 			char buf[4];
                         // program_number is zero-based: convert to one-based
 			snprintf(buf, 4, "%d", int(program_number+1));
-			add_pgm_change(program_change, buf);
+			add_canvas_program_change (program_change, buf);
 		}
 	}
 }
@@ -1583,7 +1583,7 @@ MidiRegionView::step_sustain (Evoral::MusicalTime beats)
 }
 
 void
-MidiRegionView::add_pgm_change(PCEvent& program, const string& displaytext)
+MidiRegionView::add_canvas_program_change (PCEvent& program, const string& displaytext)
 {
 	assert(program.time >= 0);
 
@@ -1668,8 +1668,26 @@ MidiRegionView::alter_program_change(PCEvent& old_program, const MIDI::Name::Pat
         display_program_changes (); // XXX would be nice to limit to just old_program.channel
 }
 
+/** @param t Time in frames relative to region position */
 void
-MidiRegionView::move_program_change (PCEvent pc, double t)
+MidiRegionView::add_program_change (framecnt_t t, uint8_t channel, uint8_t value)
+{
+	boost::shared_ptr<Evoral::Control> control = midi_region()->model()->control (
+		Evoral::Parameter (MidiPgmChangeAutomation, channel, 0), true
+		);
+	
+	assert (control);
+
+	Evoral::MusicalTime const b = frames_to_beats (t + midi_region()->start());
+
+	control->list()->add (b, value);
+
+	_pgm_changes.clear ();
+	display_program_changes ();
+}
+
+void
+MidiRegionView::move_program_change (PCEvent pc, Evoral::MusicalTime t)
 {
 	boost::shared_ptr<Evoral::Control> control = _model->control (Evoral::Parameter (MidiPgmChangeAutomation, pc.channel, 0));
 	assert (control);

gtk2_ardour/midi_region_view.h

@@ -133,7 +133,7 @@ class MidiRegionView : public RegionView
 	 * @param program the MidiRegionView::PCEvent to add
 	 * @param the text to display in the flag
 	 */
-	void add_pgm_change(PCEvent& program, const std::string& displaytext);
+	void add_canvas_program_change (PCEvent& program, const std::string& displaytext);
 
 	/** Look up the given time and channel in the 'automation' and set keys accordingly.
 	 * @param time the time of the program change event
@@ -149,7 +149,8 @@ class MidiRegionView : public RegionView
 	 */
 	void alter_program_change(PCEvent& old_program, const MIDI::Name::PatchPrimaryKey& new_patch);
 
-	void move_program_change (PCEvent, double);
+	void add_program_change (framecnt_t, uint8_t, uint8_t);
+	void move_program_change (PCEvent, Evoral::MusicalTime);
 	void delete_program_change (ArdourCanvas::CanvasProgramChange *);
 
 	/** Alter a given program to the new given one.

gtk2_ardour/program_change_dialog.cc

@@ -0,0 +1,67 @@
+/*
+    Copyright (C) 2010 Paul Davis
+    Author: Carl Hetherington <cth@carlh.net>
+
+    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/stock.h>
+#include <gtkmm/table.h>
+#include "program_change_dialog.h"
+
+using namespace Gtk;
+
+ProgramChangeDialog::ProgramChangeDialog ()
+	: ArdourDialog (_("Add Program Change"), true)
+	, _channel (*manage (new Adjustment (1, 1, 16, 1, 2)))
+	, _program (*manage (new Adjustment (1, 1, 128, 1, 16)))
+{
+	Table* t = manage (new Table (2, 2));
+	t->set_spacings (6);
+
+	Label* l = manage (new Label (_("Channel")));
+	l->set_alignment (0, 0.5);
+	t->attach (*l, 0, 1, 0, 1);
+
+	t->attach (_channel, 1, 2, 0, 1);
+
+	l = manage (new Label (_("Program")));
+	l->set_alignment (0, 0.5);
+	t->attach (*l, 0, 1, 1, 2);
+	t->attach (_program, 1, 2, 1, 2);
+
+	get_vbox()->add (*t);
+
+	add_button (Stock::CANCEL, RESPONSE_CANCEL);
+	add_button (Stock::ADD, RESPONSE_ACCEPT);
+	set_default_response (RESPONSE_ACCEPT);
+
+	show_all ();
+}
+
+/** @return Channel, counted from 0 */
+uint8_t
+ProgramChangeDialog::channel () const
+{
+	return _channel.get_value_as_int () - 1;
+}
+
+/** @return Program change number, counted from 0 */
+uint8_t
+ProgramChangeDialog::program () const
+{
+	return _program.get_value_as_int () - 1;
+}

gtk2_ardour/program_change_dialog.h

@@ -0,0 +1,35 @@
+/*
+    Copyright (C) 2010 Paul Davis
+    Author: Carl Hetherington <cth@carlh.net>
+
+    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/spinbutton.h>
+#include "ardour_dialog.h"
+
+class ProgramChangeDialog : public ArdourDialog
+{
+public:
+	ProgramChangeDialog ();
+
+	uint8_t channel () const;
+	uint8_t program () const;
+
+private:
+	Gtk::SpinButton _channel;
+	Gtk::SpinButton _program;
+};

gtk2_ardour/wscript

@@ -173,6 +173,7 @@ gtk2_ardour_sources = [
 	'port_matrix_labels.cc',
 	'port_matrix_row_labels.cc',
 	'processor_box.cc',
+	'program_change_dialog.cc',
 	'progress_reporter.cc',
 	'prompter.cc',
 	'public_editor.cc',