8af0757b61
git-svn-id: svn://localhost/trunk/ardour2@17 d708f5d6-7413-0410-9779-e7cbd77b26cf
719 lines
13 KiB
C++
719 lines
13 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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$Id$
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*/
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#include <algorithm>
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#include <set>
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#include <cstdio> /* for sprintf */
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#include <unistd.h>
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#include <cerrno>
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#include <ctime>
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#include <sigc++/bind.h>
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#include <pbd/stl_delete.h>
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#include <pbd/xml++.h>
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#include <ardour/location.h>
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#include "i18n.h"
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using namespace std;
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using namespace ARDOUR;
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using namespace sigc;
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Location::Location (const Location& other)
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: _name (other._name),
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_start (other._start),
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_end (other._end),
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_flags (other._flags)
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{
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}
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Location*
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Location::operator= (const Location& other)
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{
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if (this == &other) {
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return this;
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}
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_name = other._name;
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_start = other._start;
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_end = other._end;
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_flags = other._flags;
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/* "changed" not emitted on purpose */
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return this;
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}
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int
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Location::set_start (jack_nframes_t s)
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{
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if (is_mark()) {
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if (_start != s) {
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_start = s;
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_end = s;
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changed(this); /* EMIT SIGNAL */
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}
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return 0;
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}
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if (((is_auto_punch() || is_auto_loop()) && s >= _end) || s > _end) {
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return -1;
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}
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if (s != _start) {
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_start = s;
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start_changed(this); /* EMIT SIGNAL */
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}
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return 0;
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}
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int
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Location::set_end (jack_nframes_t e)
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{
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if (is_mark()) {
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if (_start != e) {
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_start = e;
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_end = e;
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changed(this); /* EMIT SIGNAL */
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}
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return 0;
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}
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if (((is_auto_punch() || is_auto_loop()) && e <= _start) || e < _start) {
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return -1;
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}
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if (e != _end) {
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_end = e;
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end_changed(this); /* EMIT SIGNAL */
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}
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return 0;
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}
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int
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Location::set (jack_nframes_t start, jack_nframes_t end)
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{
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if (is_mark() && start != end) {
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return -1;
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} else if (((is_auto_punch() || is_auto_loop()) && start >= end) || (start > end)) {
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return -1;
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}
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if (_start != start || _end != end) {
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_start = start;
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_end = end;
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changed(this); /* EMIT SIGNAL */
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}
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return 0;
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}
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void
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Location::set_hidden (bool yn, void *src)
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{
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if (set_flag_internal (yn, IsHidden)) {
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FlagsChanged (this, src); /* EMIT SIGNAL */
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}
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}
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void
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Location::set_cd (bool yn, void *src)
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{
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if (set_flag_internal (yn, IsCDMarker)) {
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FlagsChanged (this, src); /* EMIT SIGNAL */
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}
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}
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void
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Location::set_is_end (bool yn, void *src)
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{
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if (set_flag_internal (yn, IsEnd)) {
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FlagsChanged (this, src); /* EMIT SIGNAL */
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}
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}
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void
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Location::set_auto_punch (bool yn, void *src)
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{
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if (is_mark() || _start == _end) {
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return;
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}
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if (set_flag_internal (yn, IsAutoPunch)) {
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FlagsChanged (this, src); /* EMIT SIGNAL */
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}
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}
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void
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Location::set_auto_loop (bool yn, void *src)
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{
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if (is_mark() || _start == _end) {
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return;
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}
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if (set_flag_internal (yn, IsAutoLoop)) {
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FlagsChanged (this, src); /* EMIT SIGNAL */
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}
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}
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bool
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Location::set_flag_internal (bool yn, Flags flag)
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{
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if (yn) {
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if (!(_flags & flag)) {
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_flags |= flag;
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return true;
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}
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} else {
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if (_flags & flag) {
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_flags &= ~flag;
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return true;
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}
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}
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return false;
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}
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void
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Location::set_mark (bool yn)
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{
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/* This function is private, and so does not emit signals */
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if (_start != _end) {
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return;
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}
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set_flag_internal (yn, IsMark);
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}
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XMLNode&
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Location::cd_info_node(const string & name, const string & value)
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{
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XMLNode* root = new XMLNode("CD-Info");
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root->add_property("name", name);
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root->add_property("value", value);
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return *root;
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}
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XMLNode&
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Location::get_state (void)
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{
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XMLNode *node = new XMLNode ("Location");
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char buf[32];
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typedef map<string, string>::const_iterator CI;
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for(CI m = cd_info.begin(); m != cd_info.end(); ++m){
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node->add_child_nocopy(cd_info_node(m->first, m->second));
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}
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node->add_property ("name", name());
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snprintf (buf, sizeof (buf), "%u", start());
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node->add_property ("start", buf);
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snprintf (buf, sizeof (buf), "%u", end());
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node->add_property ("end", buf);
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snprintf (buf, sizeof (buf), "%" PRIu32, (uint32_t) _flags);
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node->add_property ("flags", buf);
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return *node;
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}
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int
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Location::set_state (const XMLNode& node)
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{
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XMLPropertyList plist;
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const XMLProperty *prop;
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XMLNodeList cd_list = node.children();
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XMLNodeConstIterator cd_iter;
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XMLNode *cd_node;
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string cd_name;
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string cd_value;
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if (node.name() != "Location") {
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error << _("incorrect XML node passed to Location::set_state") << endmsg;
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return -1;
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}
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plist = node.properties();
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if ((prop = node.property ("name")) == 0) {
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error << _("XML node for Location has no name information") << endmsg;
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return -1;
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}
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set_name (prop->value());
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if ((prop = node.property ("start")) == 0) {
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error << _("XML node for Location has no start information") << endmsg;
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return -1;
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}
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/* can't use set_start() here, because _end
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may make the value of _start illegal.
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*/
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_start = atoi (prop->value().c_str());
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if ((prop = node.property ("end")) == 0) {
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error << _("XML node for Location has no end information") << endmsg;
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return -1;
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}
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_end = atoi (prop->value().c_str());
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_flags = 0;
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if ((prop = node.property ("flags")) == 0) {
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error << _("XML node for Location has no flags information") << endmsg;
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return -1;
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}
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_flags = Flags (atoi (prop->value().c_str()));
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for (cd_iter = cd_list.begin(); cd_iter != cd_list.end(); ++cd_iter) {
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cd_node = *cd_iter;
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if (cd_node->name() != "CD-Info") {
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continue;
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}
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if ((prop = cd_node->property ("name")) != 0) {
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cd_name = prop->value();
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} else {
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throw failed_constructor ();
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}
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if ((prop = cd_node->property ("value")) != 0) {
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cd_value = prop->value();
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} else {
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throw failed_constructor ();
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}
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cd_info[cd_name] = cd_value;
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}
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changed(this); /* EMIT SIGNAL */
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return 0;
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}
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/*---------------------------------------------------------------------- */
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Locations::Locations ()
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{
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current_location = 0;
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save_state (_("initial"));
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}
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Locations::~Locations ()
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{
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std::set<Location*> all_locations;
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for (StateMap::iterator siter = states.begin(); siter != states.end(); ++siter) {
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State* lstate = dynamic_cast<State*> (*siter);
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for (LocationList::iterator liter = lstate->locations.begin(); liter != lstate->locations.end(); ++liter) {
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all_locations.insert (*liter);
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}
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for (LocationList::iterator siter = lstate->states.begin(); siter != lstate->states.end(); ++siter) {
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all_locations.insert (*siter);
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}
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}
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set_delete (&all_locations);
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}
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int
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Locations::set_current (Location *loc, bool want_lock)
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{
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int ret;
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if (want_lock) {
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LockMonitor lm (lock, __LINE__, __FILE__);
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ret = set_current_unlocked (loc);
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} else {
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ret = set_current_unlocked (loc);
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}
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if (ret == 0) {
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current_changed (current_location); /* EMIT SIGNAL */
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}
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return ret;
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}
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int
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Locations::set_current_unlocked (Location *loc)
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{
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if (find (locations.begin(), locations.end(), loc) == locations.end()) {
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error << _("Locations: attempt to use unknown location as selected location") << endmsg;
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return -1;
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}
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current_location = loc;
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return 0;
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}
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void
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Locations::clear ()
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{
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{
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LockMonitor lm (lock, __LINE__, __FILE__);
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LocationList::iterator tmp;
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for (LocationList::iterator i = locations.begin(); i != locations.end(); ) {
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tmp = i;
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++tmp;
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if (!(*i)->is_end()) {
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locations.erase (i);
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}
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i = tmp;
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}
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locations.clear ();
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current_location = 0;
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}
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save_state (_("clear"));
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changed (); /* EMIT SIGNAL */
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current_changed (0); /* EMIT SIGNAL */
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}
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void
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Locations::clear_markers ()
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{
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{
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LockMonitor lm (lock, __LINE__, __FILE__);
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LocationList::iterator tmp;
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for (LocationList::iterator i = locations.begin(); i != locations.end(); ) {
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tmp = i;
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++tmp;
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if ((*i)->is_mark() && !(*i)->is_end()) {
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locations.erase (i);
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}
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i = tmp;
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}
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}
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save_state (_("clear markers"));
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changed (); /* EMIT SIGNAL */
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}
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void
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Locations::clear_ranges ()
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{
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{
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LockMonitor lm (lock, __LINE__, __FILE__);
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LocationList::iterator tmp;
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for (LocationList::iterator i = locations.begin(); i != locations.end(); ) {
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tmp = i;
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++tmp;
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if (!(*i)->is_mark()) {
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locations.erase (i);
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}
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i = tmp;
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}
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current_location = 0;
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}
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save_state (_("clear ranges"));
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changed (); /* EMIT SIGNAL */
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current_changed (0); /* EMIT SIGNAL */
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}
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void
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Locations::add (Location *loc, bool make_current)
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{
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{
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LockMonitor lm (lock, __LINE__, __FILE__);
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locations.push_back (loc);
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loc->changed.connect (mem_fun (*this, &Locations::location_changed));
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if (make_current) {
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current_location = loc;
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}
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}
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save_state (_("add"));
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added (loc); /* EMIT SIGNAL */
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if (make_current) {
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current_changed (current_location); /* EMIT SIGNAL */
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}
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}
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void
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Locations::remove (Location *loc)
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{
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bool was_removed = false;
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bool was_current = false;
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LocationList::iterator i;
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if (loc->is_end()) {
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return;
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}
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{
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LockMonitor lm (lock, __LINE__, __FILE__);
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for (i = locations.begin(); i != locations.end(); ++i) {
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if ((*i) == loc) {
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locations.erase (i);
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was_removed = true;
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if (current_location == loc) {
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current_location = 0;
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was_current = true;
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}
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break;
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}
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}
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}
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if (was_removed) {
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save_state (_("remove"));
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removed (loc); /* EMIT SIGNAL */
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if (was_current) {
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current_changed (0); /* EMIT SIGNAL */
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}
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changed (); /* EMIT_SIGNAL */
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}
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}
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void
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Locations::location_changed (Location* ignored)
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{
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save_state (X_("location changed"));
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changed (); /* EMIT SIGNAL */
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}
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XMLNode&
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Locations::get_state ()
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{
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XMLNode *node = new XMLNode ("Locations");
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LocationList::iterator iter;
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LockMonitor lm (lock, __LINE__, __FILE__);
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for (iter = locations.begin(); iter != locations.end(); ++iter) {
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node->add_child_nocopy ((*iter)->get_state ());
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}
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return *node;
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}
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int
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Locations::set_state (const XMLNode& node)
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{
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XMLNodeList nlist;
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XMLNodeConstIterator niter;
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if (node.name() != "Locations") {
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error << _("incorrect XML mode passed to Locations::set_state") << endmsg;
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return -1;
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}
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nlist = node.children();
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{
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LockMonitor lm (lock, __LINE__, __FILE__);
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for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
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Location *loc = new Location;
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if (loc->set_state (**niter)) {
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delete loc;
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} else {
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locations.push_back (loc);
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}
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}
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if (locations.size()) {
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current_location = locations.front();
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} else {
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current_location = 0;
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}
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}
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changed (); /* EMIT SIGNAL */
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return 0;
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}
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|
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struct LocationStartEarlierComparison
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{
|
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bool operator() (Location *a, Location *b) {
|
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return a->start() < b->start();
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}
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};
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struct LocationStartLaterComparison
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{
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bool operator() (Location *a, Location *b) {
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return a->start() > b->start();
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}
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};
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Location *
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Locations::first_location_before (jack_nframes_t frame)
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{
|
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LocationList locs;
|
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|
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{
|
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LockMonitor lm (lock, __LINE__, __FILE__);
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locs = locations;
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}
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|
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LocationStartLaterComparison cmp;
|
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locs.sort (cmp);
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|
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/* locs is now sorted latest..earliest */
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for (LocationList::iterator i = locs.begin(); i != locs.end(); ++i) {
|
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if (!(*i)->is_hidden() && (*i)->start() < frame) {
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return (*i);
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}
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}
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return 0;
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}
|
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|
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Location *
|
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Locations::first_location_after (jack_nframes_t frame)
|
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{
|
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LocationList locs;
|
|
|
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{
|
|
LockMonitor lm (lock, __LINE__, __FILE__);
|
|
locs = locations;
|
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}
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|
|
LocationStartEarlierComparison cmp;
|
|
locs.sort (cmp);
|
|
|
|
/* locs is now sorted earliest..latest */
|
|
|
|
for (LocationList::iterator i = locs.begin(); i != locs.end(); ++i) {
|
|
if (!(*i)->is_hidden() && (*i)->start() > frame) {
|
|
return (*i);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
Location*
|
|
Locations::end_location () const
|
|
{
|
|
for (LocationList::const_iterator i = locations.begin(); i != locations.end(); ++i) {
|
|
if ((*i)->is_end()) {
|
|
return const_cast<Location*> (*i);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
Location*
|
|
Locations::auto_loop_location () const
|
|
{
|
|
for (LocationList::const_iterator i = locations.begin(); i != locations.end(); ++i) {
|
|
if ((*i)->is_auto_loop()) {
|
|
return const_cast<Location*> (*i);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
Location*
|
|
Locations::auto_punch_location () const
|
|
{
|
|
for (LocationList::const_iterator i = locations.begin(); i != locations.end(); ++i) {
|
|
if ((*i)->is_auto_punch()) {
|
|
return const_cast<Location*> (*i);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
StateManager::State*
|
|
Locations::state_factory (std::string why) const
|
|
{
|
|
State* state = new State (why);
|
|
|
|
state->locations = locations;
|
|
|
|
for (LocationList::const_iterator i = locations.begin(); i != locations.end(); ++i) {
|
|
state->states.push_back (new Location (**i));
|
|
}
|
|
|
|
return state;
|
|
}
|
|
|
|
Change
|
|
Locations::restore_state (StateManager::State& state)
|
|
{
|
|
{
|
|
LockMonitor lm (lock, __LINE__, __FILE__);
|
|
State* lstate = dynamic_cast<State*> (&state);
|
|
|
|
locations = lstate->locations;
|
|
LocationList& states = lstate->states;
|
|
LocationList::iterator l, s;
|
|
|
|
for (l = locations.begin(), s = states.begin(); s != states.end(); ++s, ++l) {
|
|
(*l) = (*s);
|
|
}
|
|
}
|
|
|
|
return Change (0);
|
|
}
|
|
|
|
UndoAction
|
|
Locations::get_memento () const
|
|
{
|
|
return sigc::bind (mem_fun (*(const_cast<Locations*> (this)), &StateManager::use_state), _current_state_id);
|
|
}
|