Robin Gareus
4050ca5633
Copyright-holder and year information is extracted from git log. git history begins in 2005. So (C) from 1998..2005 is lost. Also some (C) assignment of commits where the committer didn't use --author.
118 lines
3.3 KiB
C++
118 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::*callbck)(GdkEvent*,ArdourCanvas::Item*))
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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, "track canvas editor cursor");
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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, callbck), _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)
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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, "track canvas cursor");
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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) { PositionChanged (sample); }
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double const new_pos = _editor.sample_to_pixel_unrounded (sample);
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if (rint(new_pos) != rint(_track_canvas_item->x ())) {
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_track_canvas_item->set_x (new_pos-0.5); //accommodate the 1/2 pixel "line" offset in cairo
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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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