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livetrax/gtk2_ardour/selection_memento.cc

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/*
* Copyright (C) 2016-2017 Paul Davis <paul@linuxaudiosystems.com>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
2015-03-31 10:05:15 -04:00
#include "ardour/lmath.h"
#include "selection_memento.h"
#include "editing.h"
#include "public_editor.h"
#include "pbd/i18n.h"
SelectionMemento::SelectionMemento ()
{
}
SelectionMemento::~SelectionMemento ()
{
}
XMLNode&
SelectionMemento::get_state () {
XMLNode* node = new XMLNode ("SelectionMemento");
PublicEditor& editor = PublicEditor::instance();
node->set_property ("mouse-mode", enum2str(editor.current_mouse_mode()));
node->set_property ("zoom", editor.get_current_zoom());
node->set_property ("left-frame", editor.leftmost_sample());
node->set_property ("y-origin", editor.get_y_origin());
node->add_child_nocopy (editor.get_selection().get_state());
return *node;
}
int
SelectionMemento::set_state (const XMLNode& node, int /*version*/) {
PublicEditor& editor = PublicEditor::instance();
if (node.name() != X_("SelectionMemento")) {
return -1;
}
std::string str;
if (node.get_property ("mouse-mode", str)) {
Editing::MouseMode m = Editing::str2mousemode (str);
editor.set_mouse_mode (m, true);
}
float zoom;
if (node.get_property ("zoom", zoom)) {
/* older versions of ardour used floating point samples_per_pixel */
editor.reset_zoom (llrintf (zoom));
}
samplepos_t pos;
if (node.get_property ("left-frame", pos)) {
if (pos < 0) {
pos = 0;
}
editor.reset_x_origin (pos);
}
double y_origin;
if (node.get_property ("y-origin", y_origin)) {
editor.reset_y_origin (y_origin);
}
XMLNodeList children = node.children ();
for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
editor.get_selection().set_state (**i, Stateful::current_state_version);
}
return 0;
}