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, bool (Editor::*callbck)(GdkEvent*,ArdourCanvas::Item*))
35 canvas_item (*editor.cursor_group),
39 /* "randomly" initialize coords */
41 points.push_back(Gnome::Art::Point(1.0, 0.0));
42 points.push_back(Gnome::Art::Point(1.0, 1.0));
44 canvas_item.property_points() = points;
45 canvas_item.property_width_pixels() = 1.0;
46 canvas_item.property_first_arrowhead() = TRUE;
47 canvas_item.property_last_arrowhead() = TRUE;
48 canvas_item.property_arrow_shape_a() = 11.0;
49 canvas_item.property_arrow_shape_b() = 0.0;
50 canvas_item.property_arrow_shape_c() = 9.0;
52 canvas_item.set_data ("cursor", this);
53 canvas_item.signal_event().connect (bind (mem_fun (ed, callbck), &canvas_item));
54 current_frame = 1; /* force redraw at 0 */
57 Editor::Cursor::~Cursor ()
63 Editor::Cursor::set_position (nframes64_t frame)
65 double new_pos = editor.frame_to_unit (frame);
67 if (editor.session == 0) {
70 current_frame = frame;
71 if (new_pos != points.front().get_x()) {
73 points.front().set_x (new_pos);
74 points.back().set_x (new_pos);
76 canvas_item.property_points() = points;
81 Editor::Cursor::set_length (double units)
84 points.back().set_y (points.front().get_y() + length);
85 canvas_item.property_points() = points;
86 if (editor.session != 0) {
92 Editor::Cursor::set_y_axis (double position)
94 points.front().set_y (position);
95 points.back().set_y (position + length);
96 canvas_item.property_points() = points;