2 Copyright (C) 2000 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include <libgnomecanvas/libgnomecanvas.h>
29 using namespace ARDOUR;
33 Editor::Cursor::Cursor (Editor& ed, const string& color, bool (Editor::*callbck)(GdkEvent*,ArdourCanvas::Item*))
35 canvas_item (*editor.cursor_group),
39 /* "randomly" initialize coords */
41 points.push_back(Gnome::Art::Point(-9383839.0, 0.0));
42 points.push_back(Gnome::Art::Point(1.0, 0.0));
44 canvas_item.property_points() = points;
45 canvas_item.property_fill_color() = color; //.c_str());
46 canvas_item.property_width_pixels() = 1;
47 canvas_item.property_first_arrowhead() = TRUE;
48 canvas_item.property_last_arrowhead() = TRUE;
49 canvas_item.property_arrow_shape_a() = 11.0;
50 canvas_item.property_arrow_shape_b() = 0.0;
51 canvas_item.property_arrow_shape_c() = 9.0;
53 canvas_item.set_data ("cursor", this);
54 canvas_item.signal_event().connect (bind (mem_fun (ed, callbck), &canvas_item));
56 current_frame = 1; /* force redraw at 0 */
59 Editor::Cursor::~Cursor ()
65 Editor::Cursor::set_position (nframes_t frame)
67 double new_pos = editor.frame_to_unit (frame);
69 if (editor.session == 0) {
75 current_frame = frame;
77 if (new_pos != points.front().get_x()) {
79 points.front().set_x (new_pos);
80 points.back().set_x (new_pos);
82 canvas_item.property_points() = points;
84 ArdourCanvas::Points p = canvas_item.property_points();
87 canvas_item.raise_to_top();
91 Editor::Cursor::set_length (double units)
94 points.back().set_y (points.front().get_y() + length);
95 canvas_item.property_points() = points;
99 Editor::Cursor::set_y_axis (double position)
101 points.front().set_y (position);
102 points.back().set_y (position + length);
103 canvas_item.property_points() = points;