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/*
Copyright (C) 2000 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <cstdlib>
#include <cmath>
#include "canvas/canvas.h"
#include "canvas/debug.h"
#include "canvas/scroll_group.h"
#include "editor_cursors.h"
#include "editor.h"
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
EditorCursor::EditorCursor (Editor& ed, bool (Editor::*callbck)(GdkEvent*,ArdourCanvas::Item*))
: _editor (ed)
, _track_canvas_item (new ArdourCanvas::Arrow (_editor.get_cursor_scroll_group()))
{
CANVAS_DEBUG_NAME (_track_canvas_item, "track canvas editor cursor");
_track_canvas_item->set_show_head (0, true);
_track_canvas_item->set_head_height (0, 9);
_track_canvas_item->set_head_width (0, 16);
_track_canvas_item->set_head_outward (0, false);
_track_canvas_item->set_show_head (1, false); // head only
_track_canvas_item->set_data ("cursor", this);
_track_canvas_item->Event.connect (sigc::bind (sigc::mem_fun (ed, callbck), _track_canvas_item));
_track_canvas_item->set_y1 (ArdourCanvas::COORD_MAX);
_track_canvas_item->set_x (0);
_current_frame = 1; /* force redraw at 0 */
}
EditorCursor::EditorCursor (Editor& ed)
: _editor (ed)
, _track_canvas_item (new ArdourCanvas::Arrow (_editor.get_hscroll_group()))
{
CANVAS_DEBUG_NAME (_track_canvas_item, "track canvas cursor");
_track_canvas_item->set_show_head (0, false);
_track_canvas_item->set_show_head (1, false);
_track_canvas_item->set_y1 (ArdourCanvas::COORD_MAX);
_track_canvas_item->set_ignore_events (true);
_track_canvas_item->set_x (0);
_current_frame = 1; /* force redraw at 0 */
}
EditorCursor::~EditorCursor ()
{
delete _track_canvas_item;
}
void
EditorCursor::set_position (framepos_t frame)
{
if (_current_frame != frame) { PositionChanged (frame); }
double const new_pos = _editor.sample_to_pixel_unrounded (frame);
if (rint(new_pos) != rint(_track_canvas_item->x ())) {
_track_canvas_item->set_x (new_pos);
}
_current_frame = frame;
}
void
EditorCursor::show ()
{
_track_canvas_item->show ();
}
void
EditorCursor::hide ()
{
_track_canvas_item->hide ();
}
void
EditorCursor::set_color (ArdourCanvas::Color color)
{
_track_canvas_item->set_color (color);
}
void
EditorCursor::set_sensitive (bool yn)
{
_track_canvas_item->set_ignore_events (!yn);
}
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