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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 "gtkmm2ext/rgb_macros.h"
#include "utils.h"
#include "editor_cursors.h"
#include "editor.h"
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
EditorCursor::EditorCursor (Editor& ed, bool (Editor::*callbck)(GdkEvent*,ArdourCanvas::Item*))
: editor (ed),
shade (*editor.cursor_group),
canvas_item (*editor.cursor_group),
length(1.0)
{
points.push_back(Gnome::Art::Point(-1.0, 0.0)); // first x-coord needs to be a non-normal value
points.push_back(Gnome::Art::Point(1.0, 1.0));
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;
shade.property_points() = points;
shade.property_width_pixels() = 7;
shade.property_fill_color_rgba() = RGBA_TO_UINT (255, 255, 255, 75);
canvas_item.set_data ("cursor", this);
canvas_item.signal_event().connect (sigc::bind (sigc::mem_fun (ed, callbck), &canvas_item));
current_frame = 1; /* force redraw at 0 */
}
EditorCursor::~EditorCursor ()
{
}
void
EditorCursor::set_position (framepos_t frame)
{
PositionChanged (frame);
double new_pos = editor.frame_to_unit (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;
shade.property_points() = points;
}
current_frame = frame;
}
void
EditorCursor::set_length (double units)
{
length = units;
points.back().set_y (points.front().get_y() + length);
canvas_item.property_points() = points;
shade.property_points() = points;
}
void
EditorCursor::set_y_axis (double position)
{
points.front().set_y (position);
points.back().set_y (position + length);
canvas_item.property_points() = points;
shade.property_points() = points;
}
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