120 lines
3.3 KiB
C++
120 lines
3.3 KiB
C++
/*
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* Copyright (C) 2005-2008 Nick Mainsbridge <mainsbridge@gmail.com>
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* Copyright (C) 2005-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2005 Taybin Rutkin <taybin@taybin.com>
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* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2009-2015 David Robillard <d@drobilla.net>
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* Copyright (C) 2014-2017 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <cstdlib>
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#include <cmath>
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#include "canvas/canvas.h"
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#include "canvas/debug.h"
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#include "canvas/scroll_group.h"
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#include "editor_cursors.h"
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#include "editor.h"
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using namespace ARDOUR;
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using namespace PBD;
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using namespace Gtk;
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EditorCursor::EditorCursor (Editor& ed, bool (Editor::*callback)(GdkEvent*,ArdourCanvas::Item*), std::string const & name)
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: _editor (ed)
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, _track_canvas_item (new ArdourCanvas::Arrow (_editor.get_cursor_scroll_group()))
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{
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CANVAS_DEBUG_NAME (_track_canvas_item, string_compose ("track canvas editor cursor <%1>", name));
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_track_canvas_item->set_show_head (0, true);
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_track_canvas_item->set_head_height (0, 9);
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_track_canvas_item->set_head_width (0, 16);
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_track_canvas_item->set_head_outward (0, false);
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_track_canvas_item->set_show_head (1, false); // head only
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_track_canvas_item->set_data ("cursor", this);
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_track_canvas_item->Event.connect (sigc::bind (sigc::mem_fun (ed, callback), _track_canvas_item));
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_track_canvas_item->set_y1 (ArdourCanvas::COORD_MAX);
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_track_canvas_item->set_x (0);
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_current_sample = 1; /* force redraw at 0 */
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}
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EditorCursor::EditorCursor (Editor& ed, std::string const & name)
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: _editor (ed)
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, _track_canvas_item (new ArdourCanvas::Arrow (_editor.get_hscroll_group()))
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{
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CANVAS_DEBUG_NAME (_track_canvas_item, string_compose ("track canvas cursor <%1>", name));
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_track_canvas_item->set_show_head (0, false);
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_track_canvas_item->set_show_head (1, false);
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_track_canvas_item->set_y1 (ArdourCanvas::COORD_MAX);
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_track_canvas_item->set_ignore_events (true);
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_track_canvas_item->set_x (0);
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_current_sample = 1; /* force redraw at 0 */
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}
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EditorCursor::~EditorCursor ()
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{
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delete _track_canvas_item;
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}
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void
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EditorCursor::set_position (samplepos_t sample)
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{
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if (_current_sample != sample) {
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PositionChanged (sample);
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}
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const double new_pos = _editor.sample_to_pixel (sample);
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if (new_pos != _track_canvas_item->x ()) {
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_track_canvas_item->set_x (new_pos);
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}
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_current_sample = sample;
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}
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void
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EditorCursor::show ()
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{
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_track_canvas_item->show ();
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}
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void
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EditorCursor::hide ()
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{
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_track_canvas_item->hide ();
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}
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void
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EditorCursor::set_color (Gtkmm2ext::Color color)
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{
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_track_canvas_item->set_color (color);
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}
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void
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EditorCursor::set_sensitive (bool yn)
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{
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_track_canvas_item->set_ignore_events (!yn);
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}
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