axis_view.cc

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/*
    Copyright (C) 2003 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 <algorithm>
#include <string>

#include <list>

#include "pbd/error.h"
#include "pbd/convert.h"

#include <gtkmm2ext/utils.h>
#include <gtkmm2ext/selector.h>
#include <gtkmm2ext/gtk_ui.h>

#include "public_editor.h"
#include "ardour_ui.h"
#include "gui_object.h"
#include "axis_view.h"
#include "utils.h"
#include "i18n.h"

using namespace std;
using namespace Gtk;
using namespace Gtkmm2ext;
using namespace ARDOUR;
using namespace ARDOUR_UI_UTILS;

list<Gdk::Color> AxisView::used_colors;

AxisView::AxisView (ARDOUR::Session* sess)
        : SessionHandlePtr (sess)
{
        _selected = false;
}

AxisView::~AxisView()
{
}

Gdk::Color
AxisView::unique_random_color()
{
        return ::unique_random_color (used_colors);
}

string
AxisView::gui_property (const string& property_name) const
{
        if (property_hashtable.count(property_name)) {
                return property_hashtable[property_name];
        } else {
          string rv = gui_object_state().get_string (state_id(), property_name);
                property_hashtable.erase(property_name);
                property_hashtable.emplace(property_name, rv);
                return rv;
        }
}

bool
AxisView::marked_for_display () const
{
        string const v = gui_property ("visible");
        return (v == "" || PBD::string_is_affirmative (v));
}

bool
AxisView::set_marked_for_display (bool yn)
{
        string const v = gui_property ("visible");
        if (v == "" || yn != PBD::string_is_affirmative (v)) {
                set_gui_property ("visible", yn);
                return true; // things changed
        }
        return false;
}

GUIObjectState&
AxisView::gui_object_state() 
{
        return *ARDOUR_UI::instance()->gui_object_state;
}