Files
lmms/src/core/ConfigManager.cpp
Tres Finocchiaro d516c74b73 Merge pull request #1908 from curlymorphic/pathDialog
Re organizing of the user LMMS directory
2015-04-13 21:21:05 +00:00

525 lines
12 KiB
C++

/*
* ConfigManager.cpp - implementation of class ConfigManager
*
* Copyright (c) 2005-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
*
* This file is part of LMMS - http://lmms.io
*
* 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 (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#include <QDomElement>
#include <QDir>
#include <QFile>
#include <QMessageBox>
#include <QApplication>
#include "ConfigManager.h"
#include "MainWindow.h"
#include "ProjectVersion.h"
static inline QString ensureTrailingSlash( const QString & _s )
{
if( _s.right( 1 ) != QDir::separator() )
{
return _s + QDir::separator();
}
return _s;
}
ConfigManager * ConfigManager::s_instanceOfMe = NULL;
ConfigManager::ConfigManager() :
m_lmmsRcFile( QDir::home().absolutePath() + QDir::separator() +
".lmmsrc.xml" ),
m_workingDir( QDir::home().absolutePath() + QDir::separator() +
"lmms" + QDir::separator() ),
m_dataDir( qApp->applicationDirPath()
#ifdef LMMS_BUILD_WIN32
+ QDir::separator() + "data" + QDir::separator()
#else
.section( '/', 0, -2 ) + "/share/lmms/"
#endif
),
m_artworkDir( defaultArtworkDir() ),
#ifdef LMMS_BUILD_WIN32
m_pluginDir( qApp->applicationDirPath()
+ QDir::separator() + "plugins" + QDir::separator() ),
#else
m_pluginDir( qApp->applicationDirPath() + '/' + PLUGIN_DIR ),
#endif
m_vstDir( m_workingDir + "vst" + QDir::separator() ),
m_flDir( QDir::home().absolutePath() ),
m_gigDir( m_workingDir + GIG_PATH ),
m_sf2Dir( m_workingDir + SF2_PATH ),
m_version( defaultVersion() )
{
}
ConfigManager::~ConfigManager()
{
saveConfigFile();
}
void ConfigManager::upgrade()
{
// Skip the upgrade if versions match
if ( m_version == LMMS_VERSION )
{
return;
}
ProjectVersion createdWith = m_version;
// Remove trailing " (bad latency!)" string which was once saved with PulseAudio
if ( createdWith.setCompareType(Build) < "1.1.90" )
{
if( value( "mixer", "audiodev" ).startsWith( "PulseAudio (" ) )
{
setValue("mixer", "audiodev", "PulseAudio");
}
}
// Don't use old themes as they break the UI (i.e. 0.4 != 1.0, etc)
if ( createdWith.setCompareType(Minor) != LMMS_VERSION )
{
m_artworkDir = defaultArtworkDir();
}
// Bump the version, now that we are upgraded
m_version = LMMS_VERSION;
}
void ConfigManager::setWorkingDir( const QString & _wd )
{
m_workingDir = ensureTrailingSlash( _wd );
}
void ConfigManager::setVSTDir( const QString & _vd )
{
m_vstDir = ensureTrailingSlash( _vd );
}
void ConfigManager::setArtworkDir( const QString & _ad )
{
m_artworkDir = ensureTrailingSlash( _ad );
}
void ConfigManager::setFLDir( const QString & _fd )
{
m_flDir = ensureTrailingSlash( _fd );
}
void ConfigManager::setLADSPADir( const QString & _fd )
{
m_ladDir = _fd;
}
void ConfigManager::setSTKDir( const QString & _fd )
{
#ifdef LMMS_HAVE_STK
m_stkDir = ensureTrailingSlash( _fd );
#endif
}
void ConfigManager::setDefaultSoundfont( const QString & _sf )
{
#ifdef LMMS_HAVE_FLUIDSYNTH
m_defaultSoundfont = _sf;
#endif
}
void ConfigManager::setBackgroundArtwork( const QString & _ba )
{
#ifdef LMMS_HAVE_FLUIDSYNTH
m_backgroundArtwork = _ba;
#endif
}
void ConfigManager::setGIGDir(const QString &gd)
{
m_gigDir = gd;
}
void ConfigManager::setSF2Dir(const QString &sfd)
{
m_sf2Dir = sfd;
}
void ConfigManager::addRecentlyOpenedProject( const QString & _file )
{
m_recentlyOpenedProjects.removeAll( _file );
if( m_recentlyOpenedProjects.size() > 15 )
{
m_recentlyOpenedProjects.removeLast();
}
m_recentlyOpenedProjects.push_front( _file );
ConfigManager::inst()->saveConfigFile();
}
const QString & ConfigManager::value( const QString & _class,
const QString & _attribute ) const
{
if( m_settings.contains( _class ) )
{
for( stringPairVector::const_iterator it =
m_settings[_class].begin();
it != m_settings[_class].end(); ++it )
{
if( ( *it ).first == _attribute )
{
return ( *it ).second ;
}
}
}
static QString empty;
return empty;
}
void ConfigManager::setValue( const QString & _class,
const QString & _attribute,
const QString & _value )
{
if( m_settings.contains( _class ) )
{
for( stringPairVector::iterator it = m_settings[_class].begin();
it != m_settings[_class].end(); ++it )
{
if( ( *it ).first == _attribute )
{
( *it ).second = _value;
return;
}
}
}
// not in map yet, so we have to add it...
m_settings[_class].push_back( qMakePair( _attribute, _value ) );
}
#ifdef LMMS_BUILD_WIN32
#include <QLibrary>
#include <shlobj.h>
// taken from qt-win-opensource-src-4.2.2/src/corelib/io/qsettings.cpp
static QString windowsConfigPath( int _type )
{
QString result;
QLibrary library( "shell32" );
typedef BOOL( WINAPI* GetSpecialFolderPath )( HWND, char *, int, BOOL );
GetSpecialFolderPath SHGetSpecialFolderPath = (GetSpecialFolderPath)
library.resolve( "SHGetSpecialFolderPathA" );
if( SHGetSpecialFolderPath )
{
char path[MAX_PATH];
SHGetSpecialFolderPath( 0, path, _type, false );
result = QString::fromLocal8Bit( path );
}
return result;
}
#endif
void ConfigManager::loadConfigFile()
{
// read the XML file and create DOM tree
QFile cfg_file( m_lmmsRcFile );
QDomDocument dom_tree;
if( cfg_file.open( QIODevice::ReadOnly ) )
{
QString errorString;
int errorLine, errorCol;
if( dom_tree.setContent( &cfg_file, false, &errorString, &errorLine, &errorCol ) )
{
// get the head information from the DOM
QDomElement root = dom_tree.documentElement();
QDomNode node = root.firstChild();
// Cache the config version for upgrade()
if ( !root.attribute( "version" ).isNull() ) {
m_version = root.attribute( "version" );
}
// create the settings-map out of the DOM
while( !node.isNull() )
{
if( node.isElement() &&
node.toElement().hasAttributes () )
{
stringPairVector attr;
QDomNamedNodeMap node_attr =
node.toElement().attributes();
for( int i = 0; i < node_attr.count();
++i )
{
QDomNode n = node_attr.item( i );
if( n.isAttr() )
{
attr.push_back( qMakePair( n.toAttr().name(),
n.toAttr().value() ) );
}
}
m_settings[node.nodeName()] = attr;
}
else if( node.nodeName() == "recentfiles" )
{
m_recentlyOpenedProjects.clear();
QDomNode n = node.firstChild();
while( !n.isNull() )
{
if( n.isElement() && n.toElement().hasAttributes() )
{
m_recentlyOpenedProjects <<
n.toElement().attribute( "path" );
}
n = n.nextSibling();
}
}
node = node.nextSibling();
}
if( value( "paths", "artwork" ) != "" )
{
m_artworkDir = value( "paths", "artwork" );
if( !QDir( m_artworkDir ).exists() )
{
m_artworkDir = defaultArtworkDir();
}
if( m_artworkDir.right( 1 ) !=
QDir::separator() )
{
m_artworkDir += QDir::separator();
}
}
setWorkingDir( value( "paths", "workingdir" ) );
setGIGDir( value( "paths", "gigdir" ) == "" ? gigDir() : value( "paths", "gigdir" ) );
setSF2Dir( value( "paths", "sf2dir" ) == "" ? sf2Dir() : value( "paths", "sf2dir" ) );
setVSTDir( value( "paths", "vstdir" ) );
setFLDir( value( "paths", "fldir" ) );
setLADSPADir( value( "paths", "laddir" ) );
#ifdef LMMS_HAVE_STK
setSTKDir( value( "paths", "stkdir" ) );
#endif
#ifdef LMMS_HAVE_FLUIDSYNTH
setDefaultSoundfont( value( "paths", "defaultsf2" ) );
#endif
setBackgroundArtwork( value( "paths", "backgroundartwork" ) );
}
else if( QApplication::type() == QApplication::GuiClient )
{
QMessageBox::warning( NULL, MainWindow::tr( "Configuration file" ),
MainWindow::tr( "Error while parsing configuration file at line %1:%2: %3" ).
arg( errorLine ).
arg( errorCol ).
arg( errorString ) );
}
cfg_file.close();
}
if( m_vstDir.isEmpty() || m_vstDir == QDir::separator() ||
!QDir( m_vstDir ).exists() )
{
#ifdef LMMS_BUILD_WIN32
m_vstDir = windowsConfigPath( CSIDL_PROGRAM_FILES ) +
QDir::separator() + "VstPlugins";
#else
m_vstDir = m_workingDir + "plugins/vst" + QDir::separator();
#endif
}
if( m_flDir.isEmpty() || m_flDir == QDir::separator() )
{
m_flDir = ensureTrailingSlash( QDir::home().absolutePath() );
}
if( m_ladDir.isEmpty() || m_ladDir == QDir::separator() ||
( !m_ladDir.contains( ':' ) && !QDir( m_ladDir ).exists() ) )
{
#if defined(LMMS_BUILD_WIN32)
m_ladDir = m_pluginDir + "ladspa" + QDir::separator();
#elif defined(LMMS_BUILD_APPLE)
m_ladDir = qApp->applicationDirPath() + "/../lib/lmms/ladspa/";
#else
m_ladDir = qApp->applicationDirPath() + '/' + LIB_DIR + "/ladspa/";
#endif
m_ladDir += ","+userLadspaDir();
}
#ifdef LMMS_HAVE_STK
if( m_stkDir.isEmpty() || m_stkDir == QDir::separator() ||
!QDir( m_stkDir ).exists() )
{
#if defined(LMMS_BUILD_WIN32)
m_stkDir = m_dataDir + "stk/rawwaves/";
#elif defined(LMMS_BUILD_APPLE)
m_stkDir = qApp->applicationDirPath() + "/../share/stk/rawwaves/";
#else
m_stkDir = "/usr/share/stk/rawwaves/";
#endif
}
#endif
QDir::setSearchPaths( "resources", QStringList() << artworkDir()
<< defaultArtworkDir() );
if( !QDir( m_workingDir ).exists() &&
QApplication::type() == QApplication::GuiClient &&
QMessageBox::question( 0,
MainWindow::tr( "Working directory" ),
MainWindow::tr( "The LMMS working directory %1 does not "
"exist. Create it now? You can change the directory "
"later via Edit -> Settings." ).arg( m_workingDir ),
QMessageBox::Yes, QMessageBox::No ) == QMessageBox::Yes )
{
QDir().mkpath( m_workingDir );
}
if( QDir( m_workingDir ).exists() )
{
QDir().mkpath( userProjectsDir() );
QDir().mkpath( userTemplateDir() );
QDir().mkpath( userSamplesDir() );
QDir().mkpath( userPresetsDir() );
QDir().mkpath( userGigDir() );
QDir().mkpath( userSf2Dir() );
QDir().mkpath( userVstDir() );
QDir().mkpath( userLadspaDir() );
}
upgrade();
}
void ConfigManager::saveConfigFile()
{
setValue( "paths", "artwork", m_artworkDir );
setValue( "paths", "workingdir", m_workingDir );
setValue( "paths", "vstdir", m_vstDir );
setValue( "paths", "fldir", m_flDir );
setValue( "paths", "gigdir", m_gigDir );
setValue( "paths", "sf2dir", m_sf2Dir );
setValue( "paths", "laddir", m_ladDir );
#ifdef LMMS_HAVE_STK
setValue( "paths", "stkdir", m_stkDir );
#endif
#ifdef LMMS_HAVE_FLUIDSYNTH
setValue( "paths", "defaultsf2", m_defaultSoundfont );
#endif
setValue( "paths", "backgroundartwork", m_backgroundArtwork );
QDomDocument doc( "lmms-config-file" );
QDomElement lmms_config = doc.createElement( "lmms" );
lmms_config.setAttribute( "version", m_version );
doc.appendChild( lmms_config );
for( settingsMap::iterator it = m_settings.begin();
it != m_settings.end(); ++it )
{
QDomElement n = doc.createElement( it.key() );
for( stringPairVector::iterator it2 = ( *it ).begin();
it2 != ( *it ).end(); ++it2 )
{
n.setAttribute( ( *it2 ).first, ( *it2 ).second );
}
lmms_config.appendChild( n );
}
QDomElement recent_files = doc.createElement( "recentfiles" );
for( QStringList::iterator it = m_recentlyOpenedProjects.begin();
it != m_recentlyOpenedProjects.end(); ++it )
{
QDomElement n = doc.createElement( "file" );
n.setAttribute( "path", *it );
recent_files.appendChild( n );
}
lmms_config.appendChild( recent_files );
QString xml = "<?xml version=\"1.0\"?>\n" + doc.toString( 2 );
QFile outfile( m_lmmsRcFile );
if( !outfile.open( QIODevice::WriteOnly | QIODevice::Truncate ) )
{
QMessageBox::critical( NULL,
MainWindow::tr( "Could not save config-file" ),
MainWindow::tr( "Could not save configuration file %1. "
"You're probably not permitted to "
"write to this file.\n"
"Please make sure you have write-"
"access to the file and try again." ).
arg( m_lmmsRcFile ) );
return;
}
outfile.write( xml.toUtf8() );
outfile.close();
}