diff --git a/custom/4coder_default_bindings.cpp b/custom/4coder_default_bindings.cpp
index c848693d..7bd3edd7 100644
--- a/custom/4coder_default_bindings.cpp
+++ b/custom/4coder_default_bindings.cpp
@@ -25,7 +25,11 @@ custom_layer_init(Application_Links *app){
     // NOTE(allen): default hooks and command maps
     set_all_default_hooks(app);
     mapping_init(tctx, &framework_mapping);
+#if OS_MAC
+    setup_mac_mapping(&framework_mapping, mapid_global, mapid_file, mapid_code);
+#else
     setup_default_mapping(&framework_mapping, mapid_global, mapid_file, mapid_code);
+#endif
 }
 
 #endif //FCODER_DEFAULT_BINDINGS
diff --git a/custom/4coder_default_hooks.cpp b/custom/4coder_default_hooks.cpp
index 57cfc80c..25193c6c 100644
--- a/custom/4coder_default_hooks.cpp
+++ b/custom/4coder_default_hooks.cpp
@@ -1046,15 +1046,11 @@ set_all_default_hooks(Application_Links *app){
     set_custom_hook(app, HookID_Tick, default_tick);
     set_custom_hook(app, HookID_RenderCaller, default_render_caller);
     set_custom_hook(app, HookID_WholeScreenRenderCaller, default_whole_screen_render_caller);
-#if 0
-    set_custom_hook(app, HookID_DeltaRule, original_delta);
-    set_custom_hook_memory_size(app, HookID_DeltaRule,
-                                delta_ctx_size(original_delta_memory_size));
-#else
+    
     set_custom_hook(app, HookID_DeltaRule, fixed_time_cubic_delta);
     set_custom_hook_memory_size(app, HookID_DeltaRule,
                                 delta_ctx_size(fixed_time_cubic_delta_memory_size));
-#endif
+    
     set_custom_hook(app, HookID_BufferNameResolver, default_buffer_name_resolution);
     
     set_custom_hook(app, HookID_BeginBuffer, default_begin_buffer);
diff --git a/platform_mac/mac_4ed.mm b/platform_mac/mac_4ed.mm
index 44a9836f..dc65a4dd 100644
--- a/platform_mac/mac_4ed.mm
+++ b/platform_mac/mac_4ed.mm
@@ -914,7 +914,7 @@ mac_toggle_fullscreen(void){
 - (BOOL)resignFirstResponder{
     return(YES);
 }
-
+#if 0
 - (void)insertText:(NSString*)text{
     u32 len = [text length];
     Scratch_Block scratch(mac_vars.tctx);
@@ -943,15 +943,11 @@ mac_toggle_fullscreen(void){
     
     system_signal_step(0);
 }
-
+#endif
 - (void)keyDown:(NSEvent*)event{
     // NOTE(yuval): Process keyboard event
     [self process_keyboard_event:event down:true];
     
-    [self interpretKeyEvents:[NSArray arrayWithObject:event]];
-    
-    
-#if 0
     // NOTE(yuval): Process TextInsert event
     {
         NSString *characters = [event characters];
@@ -993,7 +989,6 @@ mac_toggle_fullscreen(void){
             }
         }
     }
-#endif
 }
 
 - (void)keyUp:(NSEvent*)event{
@@ -1047,7 +1042,7 @@ mac_toggle_fullscreen(void){
 - (void)scrollWheel:(NSEvent *)event{
     f32 dx = event.scrollingDeltaX;
     f32 dy = event.scrollingDeltaY;
-    mac_vars.input_chunk.trans.mouse_wheel = (i32)(-dy);
+    mac_vars.input_chunk.trans.mouse_wheel = (i32)(-dy*mac_vars.screen_scale_factor);
     system_signal_step(0);
 }