110 lines
2.9 KiB
C++
110 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 "utils.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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, _time_bars_canvas_item (_editor._time_bars_canvas->root ())
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, _track_canvas_item (_editor._track_canvas->root ())
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, _length (1.0)
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{
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CANVAS_DEBUG_NAME ((&_time_bars_canvas_item), "timebars editor cursor");
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CANVAS_DEBUG_NAME ((&_track_canvas_item), "track canvas editor cursor");
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_time_bars_canvas_item.set_show_head (0, true);
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_time_bars_canvas_item.set_head_height (0, 9);
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_time_bars_canvas_item.set_head_width (0, 16);
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_time_bars_canvas_item.set_head_outward (0, false);
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_time_bars_canvas_item.set_show_head (1, false); // head only
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_time_bars_canvas_item.set_outline_width (0.5);
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_time_bars_canvas_item.set_data ("cursor", this);
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_track_canvas_item.set_data ("cursor", this);
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_track_canvas_item.set_outline_width (0.5);
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_time_bars_canvas_item.Event.connect (sigc::bind (sigc::mem_fun (ed, callbck), &_time_bars_canvas_item));
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_track_canvas_item.Event.connect (sigc::bind (sigc::mem_fun (ed, callbck), &_track_canvas_item));
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_time_bars_canvas_item.set_y1 (ArdourCanvas::COORD_MAX);
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_track_canvas_item.set_y1 (ArdourCanvas::COORD_MAX);
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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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}
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void
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EditorCursor::set_position (framepos_t frame)
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{
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PositionChanged (frame);
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/* See Cairo FAQ question on single pixel lines to understand
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why we add 0.5
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*/
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double const new_pos = _editor.sample_to_pixel (frame) + 0.5;
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if (new_pos != _time_bars_canvas_item.x ()) {
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_time_bars_canvas_item.set_x (new_pos);
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}
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if (new_pos != _track_canvas_item.x0 ()) {
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_track_canvas_item.set_x (new_pos, 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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_time_bars_canvas_item.show ();
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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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_time_bars_canvas_item.hide ();
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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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_time_bars_canvas_item.set_color (color);
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_track_canvas_item.set_outline_color (color);
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}
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