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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.
*/
#include <cstdlib>
#include <cmath>
#include <libgnomecanvas/libgnomecanvas.h>
#include "utils.h"
#include "editor.h"
using namespace sigc;
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
Editor::Cursor::Cursor (Editor& ed, bool (Editor::*callbck)(GdkEvent*,ArdourCanvas::Item*))
: editor (ed),
canvas_item (*editor.cursor_group),
length(1.0)
{
/* "randomly" initialize coords */
points.push_back(Gnome::Art::Point(-9383839.0, 0.0));
points.push_back(Gnome::Art::Point(1.0, 0.0));
canvas_item.property_points() = points;
canvas_item.property_width_pixels() = 1;
canvas_item.property_first_arrowhead() = TRUE;
canvas_item.property_last_arrowhead() = TRUE;
canvas_item.property_arrow_shape_a() = 11.0;
canvas_item.property_arrow_shape_b() = 0.0;
canvas_item.property_arrow_shape_c() = 9.0;
canvas_item.set_data ("cursor", this);
canvas_item.signal_event().connect (bind (mem_fun (ed, callbck), &canvas_item));
current_frame = 1; /* force redraw at 0 */
}
Editor::Cursor::~Cursor ()
{
}
void
Editor::Cursor::set_position (nframes_t frame)
{
double new_pos = editor.frame_to_unit (frame);
if (editor.session == 0) {
canvas_item.hide();
} else {
canvas_item.show();
}
current_frame = frame;
if (new_pos != points.front().get_x()) {
points.front().set_x (new_pos);
points.back().set_x (new_pos);
canvas_item.property_points() = points;
ArdourCanvas::Points p = canvas_item.property_points();
}
canvas_item.raise_to_top();
}
void
Editor::Cursor::set_length (double units)
{
length = units;
points.back().set_y (points.front().get_y() + length);
canvas_item.property_points() = points;
}
void
Editor::Cursor::set_y_axis (double position)
{
points.front().set_y (position);
points.back().set_y (position + length);
canvas_item.property_points() = points;
}
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