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livetrax/libs/canvas/flag.cc
David Robillard 86c6541323 Move PC flags to avoid obscuring region name.
Fixes bug #6179.  Top vs. bottom seems pretty arbitrary to me, and this solves
the obscuring issue (which is quite common since there are often PC events at
the start of MIDI files), so bottom it is.
2015-03-14 00:21:29 -04:00

115 lines
2.9 KiB
C++

/*
Copyright (C) 2011-2013 Paul Davis
Author: Carl Hetherington <cth@carlh.net>
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 "canvas/flag.h"
#include "canvas/text.h"
#include "canvas/rectangle.h"
#include "canvas/line.h"
using namespace std;
using namespace ArdourCanvas;
Flag::Flag (Canvas* canvas, Distance height, Color outline_color, Color fill_color, Duple position, bool invert)
: Container (canvas)
, _outline_color (outline_color)
, _fill_color (fill_color)
, _invert (invert)
{
setup (height, position);
}
Flag::Flag (Item* parent, Distance height, Color outline_color, Color fill_color, Duple position, bool invert)
: Container (parent)
, _outline_color (outline_color)
, _fill_color (fill_color)
, _invert (invert)
{
setup (height, position);
}
void
Flag::setup (Distance height, Duple position)
{
_text = new Text (this);
_text->set_alignment (Pango::ALIGN_CENTER);
_text->set_color (_outline_color);
_line = new Line (this);
_line->set_outline_color (_outline_color);
_rectangle = new Rectangle (this);
_rectangle->set_outline_color (_outline_color);
_rectangle->set_fill_color (_fill_color);
_text->raise_to_top ();
set_height (height);
set_position (position);
}
void
Flag::set_font_description (Pango::FontDescription font_description)
{
_text->set_font_description (font_description);
}
void
Flag::set_text (string const & text)
{
_text->set (text);
boost::optional<Rect> bbox = _text->bounding_box ();
assert (bbox);
Duple flag_size (bbox.get().width() + 10, bbox.get().height() + 4);
if (_invert) {
const Distance h = fabs(_line->y1() - _line->y0());
_text->set_position (Duple (5, h - flag_size.y + 2));
_rectangle->set (Rect (0, h - flag_size.y, flag_size.x, h));
} else {
_text->set_position (Duple (5, 2));
_rectangle->set (Rect (0, 0, flag_size.x, flag_size.y));
}
}
void
Flag::set_height (Distance h)
{
_line->set (Duple (0, 0), Duple (0, h));
if (_invert) {
boost::optional<Rect> bbox = _text->bounding_box ();
if (bbox) {
Duple flag_size (bbox.get().width() + 10, bbox.get().height() + 4);
_rectangle->set (Rect (0, h - flag_size.y, flag_size.x, h));
_text->set_position (Duple (5, h - flag_size.y + 2));
}
}
}
bool
Flag::covers (Duple const & point) const
{
if (_rectangle) {
return _rectangle->covers (point);
}
return false;
}