added confirm dialog when erasing the whole EEPROM

src/gui/InputDialog.cxx

@@ -36,7 +36,11 @@
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 InputDialog::InputDialog(OSystem& osystem, DialogContainer& parent,
                          const GUI::Font& font, int max_w, int max_h)
-  : Dialog(osystem, parent)
+  : Dialog(osystem, parent),
+  myConfirmMsg(nullptr),
+  myMaxWidth(max_w),
+  myMaxHeight(max_h)
+
 {
   const int lineHeight   = font.getLineHeight(),
             fontWidth    = font.getMaxCharWidth(),
@@ -519,6 +523,24 @@ void InputDialog::handleCommand(CommandSender* sender, int cmd,
       break;
 
     case kEEButtonPressed:
+      if(!myConfirmMsg)
+      {
+        StringList msg;
+        msg.push_back("This operation cannot be undone.");
+        msg.push_back("All data stored on your AtariVox");
+        msg.push_back("or SaveKey will be erased!");
+        msg.push_back("");
+        msg.push_back("If you are sure you want to erase");
+        msg.push_back("the data, click 'OK', otherwise ");
+        msg.push_back("click 'Cancel'.");
+        myConfirmMsg = make_unique<GUI::MessageBox>
+          (this, instance().frameBuffer().font(), msg,
+           myMaxWidth, myMaxHeight, kConfirmEEEraseCmd);        
+      }
+      myConfirmMsg->show();
+      break;          
+
+    case kConfirmEEEraseCmd:
       eraseEEPROM();
       break;
 

src/gui/InputDialog.hxx

@@ -30,6 +30,7 @@ class StaticTextWidget;
 
 #include "Dialog.hxx"
 #include "JoystickDialog.hxx"
+#include "MessageBox.hxx"
 #include "bspf.hxx"
 
 class InputDialog : public Dialog
@@ -56,12 +57,13 @@ class InputDialog : public Dialog
 
   private:
     enum {
-      kDeadzoneChanged = 'DZch',
-      kDPSpeedChanged  = 'PDch',
-      kMPSpeedChanged  = 'PMch',
-      kTBSpeedChanged  = 'TBch',
-      kDBButtonPressed = 'DBbp',
-      kEEButtonPressed = 'EEbp'
+      kDeadzoneChanged   = 'DZch',
+      kDPSpeedChanged    = 'PDch',
+      kMPSpeedChanged    = 'PMch',
+      kTBSpeedChanged    = 'TBch',
+      kDBButtonPressed   = 'DBbp',
+      kEEButtonPressed   = 'EEbp',
+      kConfirmEEEraseCmd = 'EEcf'
     };
 
     TabWidget* myTab;
@@ -93,6 +95,12 @@ class InputDialog : public Dialog
     // Show the list of joysticks that the eventhandler knows about
     unique_ptr<JoystickDialog> myJoyDialog;
 
+    // Show a message about the dangers of using this function
+    unique_ptr<GUI::MessageBox> myConfirmMsg;
+
+    // Maximum width and height for this dialog
+    int myMaxWidth, myMaxHeight;
+
   private:
     // Following constructors and assignment operators not supported
     InputDialog() = delete;