Add Safe Mode for MacOS

loader/CMakeLists.txt

@@ -89,6 +89,7 @@ file(GLOB SOURCES CONFIGURE_DEPENDS
 # Obj-c sources
 file(GLOB OBJC_SOURCES
 	src/platform/Objcpp.mm
+	src/load.mm
 )
 set_source_files_properties(${OBJC_SOURCES} PROPERTIES SKIP_PRECOMPILE_HEADERS ON)
 

loader/src/load.cpp

@@ -83,6 +83,24 @@ void tryShowForwardCompat() {
     );
 }
 
+#ifdef GEODE_IS_WINDOWS
+    void safeModeCheck() {
+        // yes this is quite funny
+        if (GetAsyncKeyState(VK_SHIFT) != 0) {
+            auto choice = MessageBoxA(
+                NULL,
+                "(This has been triggered because you were holding SHIFT)\n"
+                "Do you want to activate Geode Safe Mode? This disables loading any mods.",
+                "Attention",
+                MB_YESNO | MB_ICONINFORMATION
+            );
+            if (choice == IDYES) {
+                LoaderImpl::get()->forceSafeMode();
+            }
+        }
+    }
+#endif
+
 int geodeEntry(void* platformData) {
     thread::setName("Main");
 
@@ -91,21 +109,8 @@ int geodeEntry(void* platformData) {
     if (LoaderImpl::get()->isForwardCompatMode()) {
         console::openIfClosed();
     }
-#ifdef GEODE_IS_WINDOWS
-    // yes this is quite funny
-    if (GetAsyncKeyState(VK_SHIFT) != 0) {
-        auto choice = MessageBoxA(
-            NULL,
-            "(This has been triggered because you were holding SHIFT)\n"
-            "Do you want to activate Geode Safe Mode? This disables loading any mods.",
-            "Attention",
-            MB_YESNO | MB_ICONINFORMATION
-        );
-        if (choice == IDYES) {
-            LoaderImpl::get()->forceSafeMode();
-        }
-    }
-#endif
+
+    safeModeCheck();
 
     std::string forwardCompatSuffix;
     if (LoaderImpl::get()->isForwardCompatMode())

loader/src/load.hpp

@@ -1,2 +1,3 @@
 #pragma once
+void safeModeCheck();
 int geodeEntry(void* platformData);

loader/src/load.mm

@@ -0,0 +1,25 @@
+#include "load.hpp"
+#include <loader/LoaderImpl.hpp>
+#include <loader/LogImpl.hpp>
+
+#ifdef GEODE_IS_MACOS
+
+#include <CoreGraphics/CoreGraphics.h>
+#include <AppKit/AppKit.h>
+#include <Cocoa/Cocoa.h>
+
+void safeModeCheck() {
+    if (CGEventSourceKeyState(kCGEventSourceStateHIDSystemState, (CGKeyCode)56)) { // 56 is Shift key
+        NSAlert *alert = [NSAlert new];
+        alert.messageText = @"The shift key was held down. Would you like to enable safe mode?";
+        [alert addButtonWithTitle:@"Yes"];
+        NSButton *cancelButton = [alert addButtonWithTitle:@"No"];
+        alert.window.defaultButtonCell = cancelButton.cell;
+        NSModalResponse choice = [alert runModal];
+        if (choice == NSAlertFirstButtonReturn) { // if Yes is clicked
+            LoaderImpl::get()->forceSafeMode();
+        }
+    }
+}
+
+#endif