From abccc44eecb943720993c5d3e89234f435770aee Mon Sep 17 00:00:00 2001
From: Arisotura <thetotalworm@gmail.com>
Date: Mon, 24 Aug 2020 19:19:41 +0200
Subject: make MAC randomization optional

---
 src/frontend/qt_sdl/WifiSettingsDialog.cpp | 59 ++++++++++++++++++++----------
 src/frontend/qt_sdl/WifiSettingsDialog.h   |  7 ++--
 src/frontend/qt_sdl/WifiSettingsDialog.ui  | 12 +++++-
 src/frontend/qt_sdl/main.cpp               |  7 +++-
 4 files changed, 60 insertions(+), 25 deletions(-)

(limited to 'src/frontend/qt_sdl')

diff --git a/src/frontend/qt_sdl/WifiSettingsDialog.cpp b/src/frontend/qt_sdl/WifiSettingsDialog.cpp
index 457a78d..67297ad 100644
--- a/src/frontend/qt_sdl/WifiSettingsDialog.cpp
+++ b/src/frontend/qt_sdl/WifiSettingsDialog.cpp
@@ -17,7 +17,7 @@
 */
 
 #include <stdio.h>
-#include <QFileDialog>
+#include <QMessageBox>
 
 #include "types.h"
 #include "Platform.h"
@@ -41,6 +41,10 @@
 
 WifiSettingsDialog* WifiSettingsDialog::currentDlg = nullptr;
 
+bool WifiSettingsDialog::needsReset = false;
+
+extern bool RunningSomething;
+
 
 WifiSettingsDialog::WifiSettingsDialog(QWidget* parent) : QDialog(parent), ui(new Ui::WifiSettingsDialog)
 {
@@ -53,6 +57,7 @@ WifiSettingsDialog::WifiSettingsDialog(QWidget* parent) : QDialog(parent), ui(ne
     ui->cbDirectMode->setText("Direct mode (requires " PCAP_NAME " and ethernet connection)");
 
     ui->cbBindAnyAddr->setChecked(Config::SocketBindAnyAddr != 0);
+    ui->cbRandomizeMAC->setChecked(Config::RandomizeMAC != 0);
 
     int sel = 0;
     for (int i = 0; i < LAN_PCap::NumAdapters; i++)
@@ -77,33 +82,49 @@ WifiSettingsDialog::~WifiSettingsDialog()
     delete ui;
 }
 
-void WifiSettingsDialog::on_WifiSettingsDialog_accepted()
+void WifiSettingsDialog::done(int r)
 {
-    Config::SocketBindAnyAddr = ui->cbBindAnyAddr->isChecked() ? 1:0;
-    Config::DirectLAN = ui->cbDirectMode->isChecked() ? 1:0;
+    needsReset = false;
 
-    int sel = ui->cbxDirectAdapter->currentIndex();
-    if (sel < 0 || sel >= LAN_PCap::NumAdapters) sel = 0;
-    if (LAN_PCap::NumAdapters < 1)
-    {
-        Config::LANDevice[0] = '\0';
-    }
-    else
+    if (r == QDialog::Accepted)
     {
-        strncpy(Config::LANDevice, LAN_PCap::Adapters[sel].DeviceName, 127);
-        Config::LANDevice[127] = '\0';
+        int randommac = ui->cbRandomizeMAC->isChecked() ? 1:0;
+
+        if (randommac != Config::RandomizeMAC)
+        {
+            if (RunningSomething
+                && QMessageBox::warning(this, "Reset necessary to apply changes",
+                    "The emulation will be reset for the changes to take place.",
+                    QMessageBox::Ok, QMessageBox::Cancel) != QMessageBox::Ok)
+                return;
+        }
+
+        Config::SocketBindAnyAddr = ui->cbBindAnyAddr->isChecked() ? 1:0;
+        Config::RandomizeMAC = randommac;
+        Config::DirectLAN = ui->cbDirectMode->isChecked() ? 1:0;
+
+        int sel = ui->cbxDirectAdapter->currentIndex();
+        if (sel < 0 || sel >= LAN_PCap::NumAdapters) sel = 0;
+        if (LAN_PCap::NumAdapters < 1)
+        {
+            Config::LANDevice[0] = '\0';
+        }
+        else
+        {
+            strncpy(Config::LANDevice, LAN_PCap::Adapters[sel].DeviceName, 127);
+            Config::LANDevice[127] = '\0';
+        }
+
+        Config::Save();
+
+        needsReset = true;
     }
 
-    Config::Save();
+    QDialog::done(r);
 
     closeDlg();
 }
 
-void WifiSettingsDialog::on_WifiSettingsDialog_rejected()
-{
-    closeDlg();
-}
-
 void WifiSettingsDialog::on_cbDirectMode_stateChanged(int state)
 {
     updateAdapterControls();
diff --git a/src/frontend/qt_sdl/WifiSettingsDialog.h b/src/frontend/qt_sdl/WifiSettingsDialog.h
index f8aad1b..6c1f863 100644
--- a/src/frontend/qt_sdl/WifiSettingsDialog.h
+++ b/src/frontend/qt_sdl/WifiSettingsDialog.h
@@ -42,7 +42,7 @@ public:
         }
 
         currentDlg = new WifiSettingsDialog(parent);
-        currentDlg->show();
+        currentDlg->open();
         return currentDlg;
     }
     static void closeDlg()
@@ -50,9 +50,10 @@ public:
         currentDlg = nullptr;
     }
 
+    static bool needsReset;
+
 private slots:
-    void on_WifiSettingsDialog_accepted();
-    void on_WifiSettingsDialog_rejected();
+    void done(int r);
 
     void on_cbDirectMode_stateChanged(int state);
     void on_cbxDirectAdapter_currentIndexChanged(int sel);
diff --git a/src/frontend/qt_sdl/WifiSettingsDialog.ui b/src/frontend/qt_sdl/WifiSettingsDialog.ui
index bfee1fd..6668d88 100644
--- a/src/frontend/qt_sdl/WifiSettingsDialog.ui
+++ b/src/frontend/qt_sdl/WifiSettingsDialog.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>479</width>
-    <height>217</height>
+    <height>240</height>
    </rect>
   </property>
   <property name="sizePolicy">
@@ -39,6 +39,16 @@
         </property>
        </widget>
       </item>
+      <item row="1" column="0">
+       <widget class="QCheckBox" name="cbRandomizeMAC">
+        <property name="whatsThis">
+         <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Randomizes the console's MAC address upon reset. Required for local multiplayer if each melonDS instance uses the same firmware file.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+        </property>
+        <property name="text">
+         <string>Randomize MAC address</string>
+        </property>
+       </widget>
+      </item>
      </layout>
     </widget>
    </item>
diff --git a/src/frontend/qt_sdl/main.cpp b/src/frontend/qt_sdl/main.cpp
index f91f879..0228399 100644
--- a/src/frontend/qt_sdl/main.cpp
+++ b/src/frontend/qt_sdl/main.cpp
@@ -1747,14 +1747,14 @@ void MainWindow::onAudioSettingsFinished(int res)
 
 void MainWindow::onOpenWifiSettings()
 {
+    emuThread->emuPause();
+
     WifiSettingsDialog* dlg = WifiSettingsDialog::openDlg(this);
     connect(dlg, &WifiSettingsDialog::finished, this, &MainWindow::onWifiSettingsFinished);
 }
 
 void MainWindow::onWifiSettingsFinished(int res)
 {
-    emuThread->emuPause();
-
     if (Wifi::MPInited)
     {
         Platform::MP_DeInit();
@@ -1764,6 +1764,9 @@ void MainWindow::onWifiSettingsFinished(int res)
     Platform::LAN_DeInit();
     Platform::LAN_Init();
 
+    if (WifiSettingsDialog::needsReset)
+        onReset();
+
     emuThread->emuUnpause();
 }
 
-- 
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