From ec8ee53c76804afb270357b8463f0c2d53035953 Mon Sep 17 00:00:00 2001
From: Mateo Pidal <pidal.mateo@gmail.com>
Date: Sun, 2 May 2021 03:55:27 -0300
Subject: [PATCH] Replaced username writing with a proper dropdown selection
 saved in a file and ordered by last used

---
 application/LaunchController.cpp | 59 +++++++++++++++++++++++++++++---
 1 file changed, 55 insertions(+), 4 deletions(-)

diff --git a/application/LaunchController.cpp b/application/LaunchController.cpp
index dcdee4af..61063f62 100644
--- a/application/LaunchController.cpp
+++ b/application/LaunchController.cpp
@@ -37,15 +37,66 @@ void LaunchController::login()
     JavaCommon::checkJVMArgs(m_instance->settings()->get("JvmArgs").toString(), m_parentWidget);
 
     // Mojang account login bypass
-    bool ok = false;
+    //bool ok = false;
+
     QString usedname = "Player";
-    QString name = QInputDialog::getText(m_parentWidget, tr("Player name"),
+    QString name; /*= QInputDialog::getText(m_parentWidget, tr("Player name"),
                                          tr("Choose your offline mode player name."),
                                          QLineEdit::Normal, "Player", &ok);
-    if (!ok)
-    {
+                                         */
+    QFile namesFile;
+    namesFile.setFileName("names.txt");
+    if(!namesFile.exists()){
+        namesFile.open(QIODevice::WriteOnly | QIODevice::Text);
+        namesFile.write("Player");
+        namesFile.close();
+        qDebug() << "Wrote default \"names.txt\" since it didn't exist";
+    }
+    namesFile.open(QIODevice::ReadOnly | QIODevice::Text);
+
+    QInputDialog nameSelector;
+    QStringList names;
+
+    while(!namesFile.atEnd()){
+        names += namesFile.readLine().simplified();
+    }
+    namesFile.close();
+
+    //names << "Test1" << "Test2" << "New Entry...";
+    //nameSelector.setOption(QInputDialog::UseListViewForComboBoxItems); //In case we want to use a list instead of a combobox
+    nameSelector.setComboBoxItems(names);
+    nameSelector.setComboBoxEditable(true);
+    nameSelector.setWindowTitle("Select Username...");
+
+    if(nameSelector.exec() == QDialog::Accepted){
+        name = nameSelector.textValue();
+        namesFile.open(QIODevice::WriteOnly | QIODevice::Text);
+        namesFile.write(name.toStdString().c_str());
+        if(!names.contains(name)){
+            for(int i = 0; i < names.count(); i++){
+                namesFile.write("\n"); namesFile.write(names[i].toStdString().c_str());
+            }
+            qDebug() << "Wrote " << name << " to \"names.txt\" since it didn't exist before";
+        } else {
+            for(int i = 0; i < names.count(); i++){ //TODO: Improve efficiency or find a better way to do this
+                if(names[i] != name){
+                    namesFile.write("\n"); namesFile.write(names[i].toStdString().c_str());
+                }
+                qDebug() << "Reordered \"names.txt\"";
+            }
+        }
+        namesFile.flush();
+        namesFile.close();
+    } else {
         return;
     }
+    qDebug() << "Username Selected: " << name;
+
+    /*if (!ok)
+    {
+        return;
+    }*/
+
     if (name.length())
     {
         usedname = name;