moonlight-qt/app/settings/mappingmanager.cpp
2019-02-15 18:13:36 -08:00

108 lines
3.3 KiB
C++

#include "mappingmanager.h"
#include "path.h"
#include <QDir>
#include <SDL.h>
#define SER_GAMEPADMAPPING "gcmapping"
#define SER_GUID "guid"
#define SER_MAPPING "mapping"
MappingManager::MappingManager()
{
QSettings settings;
// First load existing saved mappings. This ensures the user's
// hints can always override the old data.
int mappingCount = settings.beginReadArray(SER_GAMEPADMAPPING);
for (int i = 0; i < mappingCount; i++) {
settings.setArrayIndex(i);
SdlGamepadMapping mapping(settings.value(SER_GUID).toString(), settings.value(SER_MAPPING).toString());
addMapping(mapping);
}
settings.endArray();
// Finally load mappings from SDL_HINT_GAMECONTROLLERCONFIG
QStringList sdlMappings = QString::fromLocal8Bit(SDL_GetHint(SDL_HINT_GAMECONTROLLERCONFIG)).split('\n', QString::SkipEmptyParts);
for (QString sdlMapping : sdlMappings) {
SdlGamepadMapping mapping(sdlMapping);
addMapping(mapping);
}
// Save the updated mappings to settings
save();
}
void MappingManager::save()
{
QSettings settings;
settings.remove(SER_GAMEPADMAPPING);
settings.beginWriteArray(SER_GAMEPADMAPPING);
QList<SdlGamepadMapping> mappings = m_Mappings.values();
for (int i = 0; i < mappings.count(); i++) {
settings.setArrayIndex(i);
settings.setValue(SER_GUID, mappings[i].getGuid());
settings.setValue(SER_MAPPING, mappings[i].getMapping());
}
settings.endArray();
}
void MappingManager::applyMappings()
{
QString mappingFile = Path::getDataFilePath("gamecontrollerdb.txt");
if (!mappingFile.isEmpty()) {
std::string mappingFileNative = QDir::toNativeSeparators(mappingFile).toStdString();
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Loading gamepad mappings from: %s",
mappingFileNative.c_str());
int newMappings = SDL_GameControllerAddMappingsFromFile(mappingFileNative.c_str());
if (newMappings < 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Error loading gamepad mappings: %s",
SDL_GetError());
}
else {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Loaded %d new gamepad mappings",
newMappings);
}
}
else {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"No gamepad mapping file found");
}
QList<SdlGamepadMapping> mappings = m_Mappings.values();
for (const SdlGamepadMapping& mapping : mappings) {
QString sdlMappingString = mapping.getSdlMappingString();
int ret = SDL_GameControllerAddMapping(qPrintable(sdlMappingString));
if (ret < 0) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Unable to add mapping: %s",
qPrintable(sdlMappingString));
}
else if (ret == 1) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Loaded saved user mapping: %s",
qPrintable(sdlMappingString));
}
}
}
void MappingManager::addMapping(QString mappingString)
{
SdlGamepadMapping mapping(mappingString);
addMapping(mapping);
}
void MappingManager::addMapping(SdlGamepadMapping& mapping)
{
m_Mappings[mapping.getGuid()] = mapping;
}