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>
25 #include "gtkmm2ext/rgb_macros.h"
28 #include "editor_cursors.h"
31 using namespace ARDOUR;
35 EditorCursor::EditorCursor (Editor& ed, bool (Editor::*callbck)(GdkEvent*,ArdourCanvas::Item*))
37 shade (*editor.cursor_group),
38 canvas_item (*editor.cursor_group),
41 points.push_back(Gnome::Art::Point(-1.0, 0.0)); // first x-coord needs to be a non-normal value
42 points.push_back(Gnome::Art::Point(1.0, 1.0));
44 canvas_item.property_points() = points;
45 canvas_item.property_width_pixels() = 1;
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 shade.property_points() = points;
53 shade.property_width_pixels() = 7;
54 shade.property_fill_color_rgba() = RGBA_TO_UINT (255, 255, 255, 75);
56 canvas_item.set_data ("cursor", this);
57 canvas_item.signal_event().connect (sigc::bind (sigc::mem_fun (ed, callbck), &canvas_item));
58 current_frame = 1; /* force redraw at 0 */
61 EditorCursor::~EditorCursor ()
67 EditorCursor::set_position (framepos_t frame)
69 PositionChanged (frame);
71 double new_pos = editor.frame_to_unit (frame);
73 if (new_pos != points.front().get_x()) {
75 points.front().set_x (new_pos);
76 points.back().set_x (new_pos);
78 canvas_item.property_points() = points;
79 shade.property_points() = points;
81 current_frame = frame;
85 EditorCursor::set_length (double units)
88 points.back().set_y (points.front().get_y() + length);
89 canvas_item.property_points() = points;
90 shade.property_points() = points;
94 EditorCursor::set_y_axis (double position)
96 points.front().set_y (position);
97 points.back().set_y (position + length);
98 canvas_item.property_points() = points;
99 shade.property_points() = points;