WiiUPluginSystem/libraries/libwups/config/WUPSConfigItemMultipleValues.cpp
2020-04-29 17:53:53 +02:00

148 lines
4.1 KiB
C++

/****************************************************************************
* Copyright (C) 2018 Maschell
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
****************************************************************************/
#include <string>
#include <vector>
#include <wups/config/WUPSConfigItemMultipleValues.h>
#include <stdlib.h> /* atoi */
WUPSConfigItemMultipleValues::WUPSConfigItemMultipleValues(std::string configID, std::string displayName, int32_t defaultValue, std::map<int32_t,std::string> values_, MultipleValuesChangedCallback callback) : WUPSConfigItem(configID,displayName) {
if(values_.size() == 0) {
this->values[defaultValue] = "<ERROR>";
} else {
this->values = values_;
}
if (values.count(defaultValue) > 0) {
this->defaultValue = defaultValue;
valueIndex = 0;
for (auto& kv : values) {
if(defaultValue == kv.first) {
break;
}
valueIndex++;
}
} else {
for (auto& kv : values) {
this->defaultValue = kv.first;
break;
}
valueIndex = 0;
}
this->callback = callback;
}
WUPSConfigItemMultipleValues::~WUPSConfigItemMultipleValues() {
}
std::string WUPSConfigItemMultipleValues::getCurrentValueDisplay() {
uint32_t index = 0;
for (auto& kv : values) {
if(index == valueIndex) {
return " " + kv.second;
}
index++;
}
return "";
}
std::string WUPSConfigItemMultipleValues::getCurrentValueSelectedDisplay() {
if(values.size() == 0) {
return "<ERROR>";
}
uint32_t index_max = values.size() -1;
uint32_t index = 0;
for (auto& kv : values) {
if(index == valueIndex) {
std::string s;
if(valueIndex != 0) {
s.append("< ");
} else {
s.append(" ");
}
s.append(kv.second);
if(valueIndex != index_max) {
s.append(" >");
}
return s;
}
index++;
}
return "<ERROR>";
}
void WUPSConfigItemMultipleValues::onSelected(bool isSelected) {
// not needed.
}
void WUPSConfigItemMultipleValues::onButtonPressed(WUPSConfigButtons buttons) {
if(buttons & WUPS_CONFIG_BUTTON_LEFT) {
if(valueIndex != 0){
valueIndex--;
}
}
if(buttons & WUPS_CONFIG_BUTTON_RIGHT && values.size() > 0) {
valueIndex++;
if(valueIndex > values.size()-1) {
valueIndex = values.size()-1;
}
}
}
bool WUPSConfigItemMultipleValues::isMovementAllowed() {
return true;
}
std::string WUPSConfigItemMultipleValues::persistValue() {
return std::to_string(this->valueIndex);
}
void WUPSConfigItemMultipleValues::loadValue(std::string persistedValue) {
// Note: std::stoi would throw an exception on error. atoi leads to an undefined behavior, but we
// check if the result is in range anyway.
uint32_t newValueIndex = atoi(persistedValue.c_str());
if(newValueIndex >= 0 && (newValueIndex +1) <= this->values.size()) {
valueIndex = newValueIndex;
}else{
valueIndex = 0;
}
}
void WUPSConfigItemMultipleValues::restoreDefault() {
this->valueIndex = 0;
}
bool WUPSConfigItemMultipleValues::callCallback() {
if(callback == NULL) {
return false;
}
uint32_t index = 0;
for (auto& kv : values) {
if(index == valueIndex) {
callback(this, kv.first);
return true;
}
index++;
}
return false;
}