114 lines
2.9 KiB
C++
114 lines
2.9 KiB
C++
/*
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Copyright (C) 2000 Paul Davis
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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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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, 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_frame = 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_frame = 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 (framepos_t frame)
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{
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if (_current_frame != frame) { PositionChanged (frame); }
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double const new_pos = _editor.sample_to_pixel_unrounded (frame);
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if (rint(new_pos) != rint(_track_canvas_item->x ())) {
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_track_canvas_item->set_x (new_pos);
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}
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_current_frame = frame;
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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 (ArdourCanvas::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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