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.
24 #include <libgnomecanvas/libgnomecanvas.h>
30 using namespace ARDOUR;
34 Editor::Cursor::Cursor (Editor& ed, const string& color, bool (Editor::*callbck)(GdkEvent*,ArdourCanvas::Item*))
36 canvas_item (*editor.cursor_group),
40 /* "randomly" initialize coords */
42 points.push_back(Gnome::Art::Point(-9383839.0, 0.0));
43 points.push_back(Gnome::Art::Point(1.0, 0.0));
45 canvas_item.property_points() = points;
46 canvas_item.property_fill_color() = color; //.c_str());
47 canvas_item.property_width_pixels() = 1;
48 canvas_item.property_first_arrowhead() = TRUE;
49 canvas_item.property_last_arrowhead() = TRUE;
50 canvas_item.property_arrow_shape_a() = 11.0;
51 canvas_item.property_arrow_shape_b() = 0.0;
52 canvas_item.property_arrow_shape_c() = 9.0;
54 canvas_item.set_data ("cursor", this);
55 canvas_item.signal_event().connect (bind (mem_fun (ed, callbck), &canvas_item));
57 current_frame = 1; /* force redraw at 0 */
60 Editor::Cursor::~Cursor ()
66 Editor::Cursor::set_position (nframes_t frame)
68 double new_pos = editor.frame_to_unit (frame);
70 if (editor.session == 0) {
76 current_frame = frame;
78 if (new_pos != points.front().get_x()) {
80 points.front().set_x (new_pos);
81 points.back().set_x (new_pos);
83 canvas_item.property_points() = points;
85 ArdourCanvas::Points p = canvas_item.property_points();
88 canvas_item.raise_to_top();
92 Editor::Cursor::set_length (double units)
95 points.back().set_y (points.front().get_y() + length);
96 canvas_item.property_points() = points;
100 Editor::Cursor::set_y_axis (double position)
102 points.front().set_y (position);
103 points.back().set_y (position + length);
104 canvas_item.property_points() = points;