diff --git a/4ed.cpp b/4ed.cpp
index b18172a5..ec75bc9a 100644
--- a/4ed.cpp
+++ b/4ed.cpp
@@ -462,8 +462,8 @@ App_Step_Sig(app_step){
     if (clipboard.str != 0){
         String_Const_u8 *dest = working_set_next_clipboard_string(&models->heap, &models->working_set, clipboard.size);
         dest->size = eol_convert_in((char*)dest->str, (char*)clipboard.str, (i32)clipboard.size);
-        if (input->clipboard_changed && models->clipboard_change != 0){
-            models->clipboard_change(&models->app_links, *dest, ClipboardFlag_FromOS);
+        if (input->clipboard_changed){
+            co_send_core_event(models, CoreCode_NewClipboardContents, *dest);
         }
     }
     
@@ -525,11 +525,7 @@ App_Step_Sig(app_step){
         }
     }
     
-    // NOTE(allen): input filter and simulated events
-    if (models->input_filter != 0){
-        models->input_filter(&input->mouse);
-    }
-    
+    // NOTE(allen): simulated events
     Input_List input_list = input->events;
     Input_Modifier_Set modifiers = system_get_keyboard_modifiers(scratch);
     if (input->mouse.press_l){
@@ -623,13 +619,28 @@ App_Step_Sig(app_step){
     
     // NOTE(allen): First frame initialization
     if (input->first_step){
-        if (models->hook_start != 0){
-            char **files = models->settings.init_files;
-            i32 files_count = models->settings.init_files_count;
-            char **flags = models->settings.custom_flags;
-            i32 flags_count = models->settings.custom_flags_count;
-            models->hook_start(&models->app_links, files, files_count, flags, flags_count);
+        Temp_Memory_Block temp(scratch);
+        
+        String_Const_u8_Array file_names = {};
+        file_names.count = models->settings.init_files_count;
+        file_names.vals = push_array(scratch, String_Const_u8, file_names.count);
+        for (i32 i = 0; i < file_names.count; i += 1){
+            file_names.vals[i] = SCu8(models->settings.init_files[i]);
         }
+        
+        String_Const_u8_Array flags = {};
+        flags.count = models->settings.custom_flags_count;
+        flags.vals = push_array(scratch, String_Const_u8, flags.count);
+        for (i32 i = 0; i < flags.count; i += 1){
+            flags.vals[i] = SCu8(models->settings.custom_flags[i]);
+        }
+        
+        Input_Event event = {};
+        event.kind = InputEventKind_Core;
+        event.core.code = CoreCode_Startup;
+        event.core.flag_strings = flags;
+        event.core.file_names = file_names;
+        co_send_event(models, &event);
     }
     
     // NOTE(allen): consume event stream
@@ -795,20 +806,17 @@ App_Step_Sig(app_step){
     
     // NOTE(allen): hook for files reloaded
     {
-        File_Externally_Modified_Function *hook_file_externally_modified = models->hook_file_externally_modified;
-        if (hook_file_externally_modified != 0){
-            Working_Set *working_set = &models->working_set;
-            Assert(working_set->has_external_mod_sentinel.next != 0);
-            if (working_set->has_external_mod_sentinel.next != &working_set->has_external_mod_sentinel){
-                for (Node *node = working_set->has_external_mod_sentinel.next, *next = 0;
-                     node != &working_set->has_external_mod_sentinel;
-                     node = next){
-                    next = node->next;
-                    Editing_File *file = CastFromMember(Editing_File, external_mod_node, node);
-                    dll_remove(node);
-                    block_zero_struct(node);
-                    hook_file_externally_modified(&models->app_links, file->id);
-                }
+        Working_Set *working_set = &models->working_set;
+        Assert(working_set->has_external_mod_sentinel.next != 0);
+        if (working_set->has_external_mod_sentinel.next != &working_set->has_external_mod_sentinel){
+            for (Node *node = working_set->has_external_mod_sentinel.next, *next = 0;
+                 node != &working_set->has_external_mod_sentinel;
+                 node = next){
+                next = node->next;
+                Editing_File *file = CastFromMember(Editing_File, external_mod_node, node);
+                dll_remove(node);
+                block_zero_struct(node);
+                co_send_core_event(models, CoreCode_FileExternallyModified, file->id);
             }
         }
     }
@@ -818,12 +826,8 @@ App_Step_Sig(app_step){
         models->keep_playing = false;
     }
     if (!models->keep_playing){
-        Hook_Function *exit_func = models->exit;
-        if (exit_func != 0){
-            if (exit_func(&models->app_links) == 0){
-                models->animate_next_frame = true;
-                models->keep_playing = true;
-            }
+        if (co_send_core_event(models, CoreCode_TryExit)){
+            models->keep_playing = true;
         }
     }
     
@@ -836,6 +840,7 @@ App_Step_Sig(app_step){
         
         {
             Color_Table color_table = models->fallback_color_table;
+#if 0
             if (models->modify_color_table != 0){
                 color_table = models->modify_color_table(&models->app_links, frame);
                 if (color_table.count < models->fallback_color_table.count){
@@ -843,6 +848,7 @@ App_Step_Sig(app_step){
                     color_table = models->fallback_color_table;
                 }
             }
+#endif
             models->color_table = color_table;
         }
         
@@ -850,7 +856,6 @@ App_Step_Sig(app_step){
         models->in_render_mode = true;
         
         Live_Views *live_views = &models->live_set;
-        Layout *layout = &models->layout;
         for (Node *node = layout->open_panels.next;
              node != &layout->open_panels;
              node = node->next){
diff --git a/4ed_api_implementation.cpp b/4ed_api_implementation.cpp
index 1da048fe..6463193d 100644
--- a/4ed_api_implementation.cpp
+++ b/4ed_api_implementation.cpp
@@ -810,8 +810,8 @@ buffer_kill(Application_Links *app, Buffer_ID buffer_id, Buffer_Kill_Flag flags)
         if (!file->settings.never_kill){
             b32 needs_to_save = file_needs_save(file);
             if (!needs_to_save || (flags & BufferKill_AlwaysKill) != 0){
-                if (models->hook_end_file != 0){
-                    models->hook_end_file(&models->app_links, file->id);
+                if (models->end_buffer != 0){
+                    models->end_buffer(&models->app_links, file->id);
                 }
                 
                 buffer_unbind_name_low_level(working_set, file);
@@ -2003,58 +2003,61 @@ managed_object_load_data(Application_Links *app, Managed_Object object, u32 firs
 }
 
 api(custom) function User_Input
-get_user_input(Application_Links *app, Event_Property get_properties, Event_Property abort_properties)
+get_next_input(Application_Links *app, Event_Property get_properties, Event_Property abort_properties)
 {
     Models *models = (Models*)app->cmd_context;
     User_Input result = {};
     if (app->type_coroutine == Co_View){
         Coroutine *coroutine = (Coroutine*)app->current_coroutine;
-        Assert(coroutine != 0);
-        Co_Out *out = (Co_Out*)coroutine->out;
-        out->request = CoRequest_None;
-        out->get_flags = get_properties;
-        out->abort_flags = abort_properties;
-        coroutine_yield(coroutine);
-        Co_In *in = (Co_In*)coroutine->in;
-        result = in->user_input;
+        if (coroutine != 0){
+            Co_Out *out = (Co_Out*)coroutine->out;
+            out->request = CoRequest_None;
+            out->get_flags = get_properties;
+            out->abort_flags = abort_properties;
+            coroutine_yield(coroutine);
+            Co_In *in = (Co_In*)coroutine->in;
+            result = in->user_input;
+        }
+        else{
+#define M "ERROR: get_next_input called in a hook that may not make calls to blocking APIs"
+            print_message(app, string_u8_litexpr(M));
+#undef M
+        }
     }
     return(result);
 }
 
+api(custom) function i64
+get_current_input_sequence_number(Application_Links *app)
+{
+    Models *models = (Models*)app->cmd_context;
+    return(models->current_input_sequence_number);
+}
+
 api(custom) function User_Input
-get_command_input(Application_Links *app)
+get_current_input(Application_Links *app)
 {
     Models *models = (Models*)app->cmd_context;
-    User_Input result = {};
-    result.event = models->event;
-    return(result);
+    return(models->current_input);
 }
 
 api(custom) function void
-set_command_input(Application_Links *app, Input_Event *event)
+set_current_input(Application_Links *app, User_Input *input)
 {
     Models *models = (Models*)app->cmd_context;
-    models->event = *event;
+    block_copy_struct(&models->current_input, input);
 }
 
 api(custom) function void
-leave_command_input_unhandled(Application_Links *app){
+leave_current_input_unhandled(Application_Links *app){
     Models *models = (Models*)app->cmd_context;
-    models->event_unhandled = true;
+    models->current_input_unhandled = true;
 }
 
 api(custom) function void
 set_custom_hook(Application_Links *app, Hook_ID hook_id, Void_Func *func_ptr){
     Models *models = (Models*)app->cmd_context;
     switch (hook_id){
-        case HookID_FileOutOfSync:
-        {
-            models->file_out_of_sync = (Hook_Function*)func_ptr;
-        }break;
-        case HookID_Exit:
-        {
-            models->exit = (Hook_Function*)func_ptr;
-        }break;
         case HookID_BufferViewerUpdate:
         {
             models->buffer_viewer_update = (Hook_Function*)func_ptr;
@@ -2063,30 +2066,6 @@ set_custom_hook(Application_Links *app, Hook_ID hook_id, Void_Func *func_ptr){
         {
             models->scroll_rule = (Delta_Rule_Function*)func_ptr;
         }break;
-        case HookID_NewFile:
-        {
-            models->hook_new_file = (Buffer_Hook_Function*)func_ptr;
-        }break;
-        case HookID_OpenFile:
-        {
-            models->hook_open_file = (Buffer_Hook_Function*)func_ptr;
-        }break;
-        case HookID_SaveFile:
-        {
-            models->hook_save_file = (Buffer_Hook_Function*)func_ptr;
-        }break;
-        case HookID_EndFile:
-        {
-            models->hook_end_file = (Buffer_Hook_Function*)func_ptr;
-        }break;
-        case HookID_FileEditRange:
-        {
-            models->hook_file_edit_range = (File_Edit_Range_Function*)func_ptr;
-        }break;
-        case HookID_FileExternallyModified:
-        {
-            models->hook_file_externally_modified = (File_Externally_Modified_Function*)func_ptr;
-        }break;
         case HookID_ViewEventHandler:
         {
             models->view_event_handler = (Custom_Command_Function*)func_ptr;
@@ -2095,29 +2074,29 @@ set_custom_hook(Application_Links *app, Hook_ID hook_id, Void_Func *func_ptr){
         {
             models->render_caller = (Render_Caller_Function*)func_ptr;
         }break;
-        case HookID_InputFilter:
-        {
-            models->input_filter = (Input_Filter_Function*)func_ptr;
-        }break;
-        case HookID_Start:
-        {
-            models->hook_start = (Start_Hook_Function*)func_ptr;
-        }break;
         case HookID_BufferNameResolver:
         {
             models->buffer_name_resolver = (Buffer_Name_Resolver_Function*)func_ptr;
         }break;
-        case HookID_ModifyColorTable:
+        case HookID_BeginBuffer:
         {
-            models->modify_color_table = (Modify_Color_Table_Function*)func_ptr;
+            models->begin_buffer = (Buffer_Hook_Function*)func_ptr;
         }break;
-        case HookID_ClipboardChange:
+        case HookID_EndBuffer:
         {
-            models->clipboard_change = (Clipboard_Change_Hook_Function*)func_ptr;
+            models->end_buffer = (Buffer_Hook_Function*)func_ptr;
         }break;
-        case HookID_GetViewBufferRegion:
+        case HookID_NewFile:
         {
-            models->get_view_buffer_region = (Get_View_Buffer_Region_Function*)func_ptr;
+            models->new_file = (Buffer_Hook_Function*)func_ptr;
+        }break;
+        case HookID_SaveFile:
+        {
+            models->save_file = (Buffer_Hook_Function*)func_ptr;
+        }break;
+        case HookID_BufferEditRange:
+        {
+            models->buffer_edit_range = (Buffer_Edit_Range_Function*)func_ptr;
         }break;
     }
 }
diff --git a/4ed_app_models.h b/4ed_app_models.h
index 68238e04..24423c37 100644
--- a/4ed_app_models.h
+++ b/4ed_app_models.h
@@ -52,24 +52,17 @@ struct Models{
     
     Application_Links app_links;
     
-    Hook_Function *file_out_of_sync;
-    Hook_Function *exit;
     Hook_Function *buffer_viewer_update;
     Delta_Rule_Function *scroll_rule;
-    Buffer_Hook_Function *hook_new_file;
-    Buffer_Hook_Function *hook_open_file;
-    Buffer_Hook_Function *hook_save_file;
-    Buffer_Hook_Function *hook_end_file;
-    File_Edit_Range_Function *hook_file_edit_range;
-    File_Externally_Modified_Function *hook_file_externally_modified;
     Custom_Command_Function *view_event_handler;
     Render_Caller_Function *render_caller;
-    Input_Filter_Function *input_filter;
-    Start_Hook_Function *hook_start;
     Buffer_Name_Resolver_Function *buffer_name_resolver;
-    Modify_Color_Table_Function *modify_color_table;
-    Clipboard_Change_Hook_Function *clipboard_change;
-    Get_View_Buffer_Region_Function *get_view_buffer_region;
+    Buffer_Hook_Function *begin_buffer;
+    Buffer_Hook_Function *end_buffer;
+    Buffer_Hook_Function *new_file;
+    Buffer_Hook_Function *save_file;
+    Buffer_Edit_Range_Function *buffer_edit_range;
+    Buffer_Region_Function *buffer_region;
     
     Color_Table fallback_color_table;
     Color_Table color_table;
@@ -118,8 +111,9 @@ struct Models{
     
     // Event Context
     Application_Step_Input *input;
-    Input_Event event;
-    b8 event_unhandled;
+    i64 current_input_sequence_number;
+    User_Input current_input;
+    b8 current_input_unhandled;
     
     b8 in_render_mode;
     Render_Target *target;
diff --git a/4ed_edit.cpp b/4ed_edit.cpp
index 098eabc5..18e63143 100644
--- a/4ed_edit.cpp
+++ b/4ed_edit.cpp
@@ -200,7 +200,7 @@ edit_single(Models *models, Editing_File *file, Interval_i64 range, String_Const
     
     // NOTE(allen): save the original text for the edit range hook.
     String_Const_u8 original_text = {};
-    if (models->hook_file_edit_range != 0){
+    if (models->buffer_edit_range != 0){
         original_text = buffer_stringify(scratch, &file->state.buffer, edit.range);
     }
     
@@ -224,16 +224,16 @@ edit_single(Models *models, Editing_File *file, Interval_i64 range, String_Const
     edit_fix_markers(models, file, edit);
     
     // NOTE(allen): edit range hook
-    if (models->hook_file_edit_range != 0){
+    if (models->buffer_edit_range != 0){
         Interval_i64 new_range = Ii64(edit.range.first, edit.range.first + edit.text.size);
-        models->hook_file_edit_range(&models->app_links, file->id, new_range, original_text);
+        models->buffer_edit_range(&models->app_links, file->id, new_range, original_text);
     }
 }
 
 internal void
 file_end_file(Models *models, Editing_File *file){
-    if (models->hook_end_file != 0){
-        models->hook_end_file(&models->app_links, file->id);
+    if (models->end_buffer != 0){
+        models->end_buffer(&models->app_links, file->id);
     }
     Lifetime_Allocator *lifetime_allocator = &models->lifetime_allocator;
     lifetime_free_object(lifetime_allocator, file->lifetime_object);
@@ -544,8 +544,8 @@ create_file(Models *models, String_Const_u8 file_name, Buffer_Create_Flag flags)
         
         if (file != 0 && buffer_is_for_new_file &&
             !HasFlag(flags, BufferCreate_SuppressNewFileHook) &&
-            models->hook_new_file != 0){
-            models->hook_new_file(&models->app_links, file->id);
+            models->new_file != 0){
+            models->new_file(&models->app_links, file->id);
         }
     }
     
diff --git a/4ed_file.cpp b/4ed_file.cpp
index d8d23bbf..4d868570 100644
--- a/4ed_file.cpp
+++ b/4ed_file.cpp
@@ -148,8 +148,8 @@ save_file_to_name(Models *models, Editing_File *file, u8 *file_name){
     }
     
     if (file_name != 0){
-        if (models->hook_save_file != 0){
-            models->hook_save_file(&models->app_links, file->id);
+        if (models->save_file != 0){
+            models->save_file(&models->app_links, file->id);
         }
         
         Gap_Buffer *buffer = &file->state.buffer;
@@ -244,9 +244,8 @@ file_create_from_string(Models *models, Editing_File *file, String_Const_u8 val,
     
     ////////////////////////////////
     
-    Buffer_Hook_Function *hook_open_file = models->hook_open_file;
-    if (hook_open_file != 0){
-        hook_open_file(&models->app_links, file->id);
+    if (models->begin_buffer != 0){
+        models->begin_buffer(&models->app_links, file->id);
     }
 }
 
diff --git a/4ed_generate_keycodes.cpp b/4ed_generate_keycodes.cpp
index f54ec9ab..622da54b 100644
--- a/4ed_generate_keycodes.cpp
+++ b/4ed_generate_keycodes.cpp
@@ -145,9 +145,13 @@ make_core_list(Arena *arena){
     Event_Code_List list = {};
     list.code_prefix = string_u8_litexpr("CoreCode");
     list.name_table = string_u8_litexpr("core_code_name");
+    add_code(arena, &list, string_u8_litexpr("Startup"));
     add_code(arena, &list, string_u8_litexpr("Animate"));
     add_code(arena, &list, string_u8_litexpr("ClickActivateView"));
     add_code(arena, &list, string_u8_litexpr("ClickDeactivateView"));
+    add_code(arena, &list, string_u8_litexpr("TryExit"));
+    add_code(arena, &list, string_u8_litexpr("FileExternallyModified"));
+    add_code(arena, &list, string_u8_litexpr("NewClipboardContents"));
     return(list);
 }
 
diff --git a/4ed_view.cpp b/4ed_view.cpp
index d7f40705..daec613a 100644
--- a/4ed_view.cpp
+++ b/4ed_view.cpp
@@ -9,6 +9,14 @@
 
 // TOP
 
+function void
+begin_handling_input(Models *models, User_Input *input){
+    block_copy_struct(&models->current_input, input);
+    models->current_input_sequence_number += 1;
+}
+
+////////////////////////////////
+
 internal void
 init_query_set(Query_Set *set){
     Query_Slot *slot = set->slots;
@@ -142,10 +150,10 @@ view_set_edit_pos(View *view, File_Edit_Positions edit_pos){
 internal Rect_f32
 view_get_buffer_rect(Models *models, View *view){
     Rect_f32 region = {};
-    if (models->get_view_buffer_region != 0){
+    if (models->buffer_region != 0){
         Rect_f32 rect = Rf32(view->panel->rect_inner);
         Rect_f32 sub_region = Rf32(V2(0, 0), rect_dim(rect));
-        sub_region = models->get_view_buffer_region(&models->app_links, view_get_id(&models->live_set, view), sub_region);
+        sub_region = models->buffer_region(&models->app_links, view_get_id(&models->live_set, view), sub_region);
         region.p0 = rect.p0 + sub_region.p0;
         region.p1 = rect.p0 + sub_region.p1;
         region.x1 = clamp_top(region.x1, rect.x1);
@@ -631,30 +639,71 @@ co_send_event(Models *models, View *view, Input_Event *event){
     
     Event_Property event_flags = get_event_properties(event);
     if ((get_flags&event_flags) != 0){
-        models->event_unhandled = false;
+        models->current_input_unhandled = false;
         Co_In in = {};
         in.user_input.event = *event;
         in.user_input.abort = ((abort_flags & event_flags) != 0);
-        block_copy_struct(&models->event, &in.user_input.event);
+        begin_handling_input(models, &in.user_input);
         view->co = co_run(models, Co_View, view->co, &in, &view->co_out);
         view_check_co_exited(models, view);
         if (!HasFlag(event_flags, EventProperty_Animate)){
             models->animate_next_frame = true;
         }
-        event_was_handled = !models->event_unhandled;
+        event_was_handled = !models->current_input_unhandled;
     }
     
     return(event_was_handled);
 }
 
 function b32
-co_send_core_event(Models *models, View *view, Core_Code code){
+co_send_core_event(Models *models, View *view, Core_Code code, String_Const_u8 string){
     Input_Event event = {};
     event.kind = InputEventKind_Core;
     event.core.code = code;
+    event.core.string = string;
     return(co_send_event(models, view, &event));
 }
 
+function b32
+co_send_core_event(Models *models, View *view, Core_Code code, Buffer_ID id){
+    Input_Event event = {};
+    event.kind = InputEventKind_Core;
+    event.core.code = code;
+    event.core.id = id;
+    return(co_send_event(models, view, &event));
+}
+
+function b32
+co_send_core_event(Models *models, View *view, Core_Code code){
+    return(co_send_core_event(models, view, code, SCu8()));
+}
+
+function b32
+co_send_event(Models *models, Input_Event *event){
+    Panel *active_panel = models->layout.active_panel;
+    View *view = active_panel->view;
+    return(co_send_event(models, view, event));
+}
+
+function b32
+co_send_core_event(Models *models, Core_Code code, String_Const_u8 string){
+    Panel *active_panel = models->layout.active_panel;
+    View *view = active_panel->view;
+    return(co_send_core_event(models, view, code, string));
+}
+
+function b32
+co_send_core_event(Models *models, Core_Code code, Buffer_ID buffer_id){
+    Panel *active_panel = models->layout.active_panel;
+    View *view = active_panel->view;
+    return(co_send_core_event(models, view, code, buffer_id));
+}
+
+function b32
+co_send_core_event(Models *models, Core_Code code){
+    return(co_send_core_event(models, code, SCu8()));
+}
+
 ////////////////////////////////
 
 internal b32
diff --git a/custom/4coder_auto_indent.cpp b/custom/4coder_auto_indent.cpp
index e234bcb9..d5249c0f 100644
--- a/custom/4coder_auto_indent.cpp
+++ b/custom/4coder_auto_indent.cpp
@@ -385,7 +385,7 @@ CUSTOM_DOC("Auto-indents the range between the cursor and the mark.")
 CUSTOM_COMMAND_SIG(write_text_and_auto_indent)
 CUSTOM_DOC("Inserts text and auto-indents the line on which the cursor sits if any of the text contains 'layout punctuation' such as ;:{}()[]# and new lines.")
 {
-    User_Input in = get_command_input(app);
+    User_Input in = get_current_input(app);
     String_Const_u8 insert = to_writable(&in);
     if (insert.str != 0 && insert.size > 0){
         b32 do_auto_indent = false;
diff --git a/custom/4coder_base_commands.cpp b/custom/4coder_base_commands.cpp
index 3d0a99c6..40bb30b4 100644
--- a/custom/4coder_base_commands.cpp
+++ b/custom/4coder_base_commands.cpp
@@ -58,7 +58,7 @@ write_character_parameter(Application_Links *app, String_Const_u8 insert){
 CUSTOM_COMMAND_SIG(write_text_input)
 CUSTOM_DOC("Inserts whatever character was used to trigger this command.")
 {
-    User_Input in = get_command_input(app);
+    User_Input in = get_current_input(app);
     String_Const_u8 insert = to_writable(&in);
     write_character_parameter(app, insert);
 }
@@ -830,8 +830,7 @@ isearch(Application_Links *app, Scan_Direction start_scan, i64 first_pos,
         }
         isearch__update_highlight(app, view, Ii64_size(pos, match_size));
         
-        in = get_user_input(app,
-                            EventPropertyGroup_AnyKeyboardEvent,
+        in = get_next_input(app, EventPropertyGroup_AnyKeyboardEvent,
                             EventProperty_Escape|EventProperty_ViewActivation);
         if (in.abort){
             break;
@@ -951,7 +950,7 @@ isearch(Application_Links *app, Scan_Direction start_scan, i64 first_pos,
             mouse_wheel_scroll(app);
         }
         else{
-            leave_command_input_unhandled(app);
+            leave_current_input_unhandled(app);
         }
     }
     
@@ -1104,7 +1103,7 @@ query_replace_base(Application_Links *app, View_ID view, Buffer_ID buffer_id, i6
         Range_i64 match = Ii64(new_pos, new_pos + r.size);
         isearch__update_highlight(app, view, match);
         
-        in = get_user_input(app, EventProperty_AnyKey, EventProperty_MouseButton);
+        in = get_next_input(app, EventProperty_AnyKey, EventProperty_MouseButton);
         if (in.abort || match_key_code(&in, KeyCode_Escape) || !is_unmodified_key(&in.event)){
             break;
         }
@@ -1275,7 +1274,7 @@ CUSTOM_DOC("Deletes the file of the current buffer if 4coder has the appropriate
         if (start_query_bar(app, &bar, 0) != 0){
             b32 cancelled = false;
             for (;!cancelled;){
-                User_Input in = get_user_input(app, EventProperty_AnyKey, 0);
+                User_Input in = get_next_input(app, EventProperty_AnyKey, 0);
                 if (in.abort){
                     cancelled = true;
                 }
@@ -1728,7 +1727,7 @@ multi_paste_interactive_up_down(Application_Links *app, i32 paste_count, i32 cli
     
     User_Input in = {};
     for (;;){
-        in = get_user_input(app, EventProperty_AnyKey, EventProperty_Escape);
+        in = get_next_input(app, EventProperty_AnyKey, EventProperty_Escape);
         if (in.abort) break;
         
         b32 did_modify = false;
@@ -2045,5 +2044,18 @@ CUSTOM_DOC("Interactively opens a file in the other panel.")
     interactive_open_or_new(app);
 }
 
+CUSTOM_COMMAND_SIG(default_file_externally_modified)
+CUSTOM_DOC("Notes the external modification of attached files by printing a message.")
+{
+    User_Input input = get_current_input(app);
+    if (match_core_code(&input, CoreCode_FileExternallyModified)){
+        Scratch_Block scratch(app);
+        Buffer_ID buffer_id = input.event.core.id;
+        String_Const_u8 name = push_buffer_unique_name(app, scratch, buffer_id);
+        String_Const_u8 str = push_u8_stringf(scratch, "Modified externally: %s\n", name.str);
+        print_message(app, str);
+    }
+}
+
 // BOTTOM
 
diff --git a/custom/4coder_combined_write_commands.cpp b/custom/4coder_combined_write_commands.cpp
index 543b2595..386d0b0c 100644
--- a/custom/4coder_combined_write_commands.cpp
+++ b/custom/4coder_combined_write_commands.cpp
@@ -198,7 +198,7 @@ static Snippet default_snippets[] = {
 static Lister_Activation_Code
 activate_snippet(Application_Links *app, View_ID view, Lister *lister, String_Const_u8 text_field, void *user_data, b32 activated_by_mouse){
     i32 index = (i32)PtrAsInt(user_data);
-    Snippet_Array snippets = *(Snippet_Array*)lister->data.user_data;
+    Snippet_Array snippets = *(Snippet_Array*)lister->user_data;
     if (0 <= index && index < snippets.count){
         Snippet snippet = snippets.snippets[index];
         lister_default(app, view, lister, ListerActivation_Finished);
diff --git a/custom/4coder_default_bindings.cpp b/custom/4coder_default_bindings.cpp
index c7979ffe..5b45e75f 100644
--- a/custom/4coder_default_bindings.cpp
+++ b/custom/4coder_default_bindings.cpp
@@ -10,11 +10,8 @@
 #include "4coder_default_include.cpp"
 #include "generated/remapping.h"
 
-// NOTE(allen|a4.0.22): This no longer serves as very good example code.
-// Good example code will be coming soon, but in the mean time you can go
-// to 4coder_remapping_commands.cpp for examples of what binding code looks like.
-
 #if !defined(NO_BINDING)
+
 void
 custom_layer_init(Application_Links *app){
     set_all_default_hooks(app);
@@ -22,7 +19,8 @@ custom_layer_init(Application_Links *app){
     mapping_init(tctx, &framework_mapping);
     setup_default_mapping(&framework_mapping);
 }
-#endif //NO_BINDING
+
+#endif
 
 #endif //FCODER_DEFAULT_BINDINGS
 
diff --git a/custom/4coder_default_framework.cpp b/custom/4coder_default_framework.cpp
index 3edb3020..ab87ff89 100644
--- a/custom/4coder_default_framework.cpp
+++ b/custom/4coder_default_framework.cpp
@@ -345,7 +345,8 @@ CUSTOM_DOC("Toggle fullscreen mode on or off.  The change(s) do not take effect
 ////////////////////////////////
 
 static void
-default_4coder_initialize(Application_Links *app, char **command_line_files, i32 file_count, i32 override_font_size, b32 override_hinting){
+default_4coder_initialize(Application_Links *app, String_Const_u8_Array file_names,
+                          i32 override_font_size, b32 override_hinting){
     Thread_Context *tctx = get_thread_context(app);
     heap_init(&global_heap, tctx->allocator);
     
@@ -383,39 +384,46 @@ default_4coder_initialize(Application_Links *app, char **command_line_files, i32
     // open command line files
     Scratch_Block scratch(app);
     String_Const_u8 hot_directory = push_hot_directory(app, scratch);
-    for (i32 i = 0; i < file_count; i += 1){
-        Temp_Memory temp2 = begin_temp(scratch);
-        String_Const_u8 input_name = SCu8(command_line_files[i]);
-        String_Const_u8 file_name = push_u8_stringf(scratch, "%.*s/%.*s", string_expand(hot_directory), string_expand(input_name));
-        Buffer_ID new_buffer = create_buffer(app, file_name, BufferCreate_NeverNew|BufferCreate_MustAttachToFile);
+    for (i32 i = 0; i < file_names.count; i += 1){
+        Temp_Memory_Block temp(scratch);
+        String_Const_u8 input_name = file_names.vals[i];
+        String_Const_u8 full_name = push_u8_stringf(scratch, "%.*s/%.*s",
+                                                    string_expand(hot_directory),
+                                                    string_expand(input_name));
+        Buffer_ID new_buffer = create_buffer(app, full_name, BufferCreate_NeverNew|BufferCreate_MustAttachToFile);
         if (new_buffer == 0){
             create_buffer(app, input_name, 0);
         }
-        end_temp(temp2);
     }
 }
 
 static void
-default_4coder_initialize(Application_Links *app, i32 override_font_size, b32 override_hinting){
-    default_4coder_initialize(app, 0, 0, override_font_size, override_hinting);
+default_4coder_initialize(Application_Links *app,
+                          i32 override_font_size, b32 override_hinting){
+    String_Const_u8_Array file_names = {};
+    default_4coder_initialize(app, file_names, override_font_size, override_hinting);
 }
 
 static void
-default_4coder_initialize(Application_Links *app, char **command_line_files, i32 file_count){
-    Face_Description command_line_description = get_face_description(app, 0);
-    default_4coder_initialize(app, command_line_files, file_count, command_line_description.parameters.pt_size, command_line_description.parameters.hinting);
+default_4coder_initialize(Application_Links *app, String_Const_u8_Array file_names){
+    Face_Description description = get_face_description(app, 0);
+    default_4coder_initialize(app, file_names,
+                              description.parameters.pt_size,
+                              description.parameters.hinting);
 }
 
 static void
 default_4coder_initialize(Application_Links *app){
     Face_Description command_line_description = get_face_description(app, 0);
-    default_4coder_initialize(app, 0, 0, command_line_description.parameters.pt_size, command_line_description.parameters.hinting);
+    String_Const_u8_Array file_names = {};
+    default_4coder_initialize(app, file_names, command_line_description.parameters.pt_size, command_line_description.parameters.hinting);
 }
 
 static void
-default_4coder_side_by_side_panels(Application_Links *app, Buffer_Identifier left_buffer, Buffer_Identifier right_buffer){
-    Buffer_ID left_id = buffer_identifier_to_id(app, left_buffer);
-    Buffer_ID right_id = buffer_identifier_to_id(app, right_buffer);
+default_4coder_side_by_side_panels(Application_Links *app,
+                                   Buffer_Identifier left, Buffer_Identifier right){
+    Buffer_ID left_id = buffer_identifier_to_id(app, left);
+    Buffer_ID right_id = buffer_identifier_to_id(app, right);
     
     // Left Panel
     View_ID view = get_active_view(app, AccessAll);
@@ -432,26 +440,29 @@ default_4coder_side_by_side_panels(Application_Links *app, Buffer_Identifier lef
 }
 
 static void
-default_4coder_side_by_side_panels(Application_Links *app, Buffer_Identifier left, Buffer_Identifier right, char **command_line_files, i32 file_count){
-    if (file_count > 0){
-        left = buffer_identifier(SCu8(command_line_files[0]));
-        if (file_count > 1){
-            right = buffer_identifier(SCu8(command_line_files[1]));
+default_4coder_side_by_side_panels(Application_Links *app,
+                                   Buffer_Identifier left, Buffer_Identifier right,
+                                   String_Const_u8_Array file_names){
+    if (file_names.count > 0){
+        left = buffer_identifier(file_names.vals[0]);
+        if (file_names.count > 1){
+            right = buffer_identifier(file_names.vals[1]);
         }
     }
     default_4coder_side_by_side_panels(app, left, right);
 }
 
 static void
-default_4coder_side_by_side_panels(Application_Links *app, char **command_line_files, i32 file_count){
+default_4coder_side_by_side_panels(Application_Links *app, String_Const_u8_Array file_names){
     Buffer_Identifier left = buffer_identifier(string_u8_litexpr("*scratch*"));
     Buffer_Identifier right = buffer_identifier(string_u8_litexpr("*messages*"));
-    default_4coder_side_by_side_panels(app, left, right, command_line_files, file_count);
+    default_4coder_side_by_side_panels(app, left, right, file_names);
 }
 
 static void
 default_4coder_side_by_side_panels(Application_Links *app){
-    default_4coder_side_by_side_panels(app, 0, 0);
+    String_Const_u8_Array file_names = {};
+    default_4coder_side_by_side_panels(app, file_names);
 }
 
 static void
@@ -463,17 +474,18 @@ default_4coder_one_panel(Application_Links *app, Buffer_Identifier buffer){
 }
 
 static void
-default_4coder_one_panel(Application_Links *app, char **command_line_files, i32 file_count){
+default_4coder_one_panel(Application_Links *app, String_Const_u8_Array file_names){
     Buffer_Identifier buffer = buffer_identifier(string_u8_litexpr("*messages*"));
-    if (file_count > 0){
-        buffer = buffer_identifier(SCu8(command_line_files[0]));
+    if (file_names.count > 0){
+        buffer = buffer_identifier(file_names.vals[0]);
     }
     default_4coder_one_panel(app, buffer);
 }
 
 static void
 default_4coder_one_panel(Application_Links *app){
-    default_4coder_one_panel(app, 0, 0);
+    String_Const_u8_Array file_names = {};
+    default_4coder_one_panel(app, file_names);
 }
 
 // BOTTOM
diff --git a/custom/4coder_default_framework.h b/custom/4coder_default_framework.h
index c4d23203..cae3ed55 100644
--- a/custom/4coder_default_framework.h
+++ b/custom/4coder_default_framework.h
@@ -65,10 +65,10 @@ typedef void View_Render_Hook(Application_Links *app, View_ID view, Frame_Info f
 
 ////////////////////////////////
 
-static void
+function b32
 do_gui_sure_to_kill(Application_Links *app, Buffer_ID buffer, View_ID view);
 
-static void
+function b32
 do_gui_sure_to_close_4coder(Application_Links *app, View_ID view);
 
 #endif
diff --git a/custom/4coder_default_hooks.cpp b/custom/4coder_default_hooks.cpp
index d142ba1a..e518e92d 100644
--- a/custom/4coder_default_hooks.cpp
+++ b/custom/4coder_default_hooks.cpp
@@ -4,26 +4,71 @@
 
 // TOP
 
-START_HOOK_SIG(default_start){
-    default_4coder_initialize(app, files, file_count);
-    default_4coder_side_by_side_panels(app, files, file_count);
-    if (global_config.automatically_load_project){
-        load_project(app);
+CUSTOM_COMMAND_SIG(default_startup)
+CUSTOM_DOC("Default command for responding to a startup event")
+{
+    User_Input input = get_current_input(app);
+    if (match_core_code(&input, CoreCode_Startup)){
+        String_Const_u8_Array file_names = input.event.core.file_names;
+        default_4coder_initialize(app, file_names);
+        default_4coder_side_by_side_panels(app, file_names);
+        if (global_config.automatically_load_project){
+            load_project(app);
+        }
     }
-    // no meaning for return
-    return(0);
 }
 
+CUSTOM_COMMAND_SIG(default_try_exit)
+CUSTOM_DOC("Default command for responding to a try-exit event")
+{
+    User_Input input = get_current_input(app);
+    if (match_core_code(&input, CoreCode_TryExit)){
+        b32 do_exit = true;
+        if (!allow_immediate_close_without_checking_for_changes){
+            b32 has_unsaved_changes = false;
+            for (Buffer_ID buffer = get_buffer_next(app, 0, AccessAll);
+                 buffer != 0;
+                 buffer = get_buffer_next(app, buffer, AccessAll)){
+                Dirty_State dirty = buffer_get_dirty_state(app, buffer);
+                if (HasFlag(dirty, DirtyState_UnsavedChanges)){
+                    has_unsaved_changes = true;
+                    break;
+                }
+            }
+            if (has_unsaved_changes){
+                View_ID view = get_active_view(app, AccessAll);
+                do_exit = do_gui_sure_to_close_4coder(app, view);
+            }
+        }
+        if (do_exit){
+            // NOTE(allen): By leaving try exit unhandled we indicate
+            // that the core should take responsibility for handling this,
+            // and it will handle it by exiting 4coder.  If we leave this
+            // event marked as handled on the other hand (for instance by 
+            // running a confirmation GUI that cancels the exit) then 4coder
+            // will not exit.
+            leave_current_input_unhandled(app);
+        }
+    }
+}
+
+
 CUSTOM_COMMAND_SIG(default_view_input_handler)
-CUSTOM_DOC("Input consumption loop for base view behavior")
+CUSTOM_DOC("Input consumption loop for default view behavior")
 {
     for (;;){
         // NOTE(allen): Get the binding from the buffer's current map
-        User_Input input = get_user_input(app, EventPropertyGroup_Any, 0);
+        User_Input input = get_next_input(app, EventPropertyGroup_Any, 0);
         if (input.abort){
             break;
         }
         
+        Event_Property event_properties = get_event_properties(&input.event);
+        
+        if (suppressing_mouse && (event_properties & EventPropertyGroup_AnyMouseEvent) != 0){
+            continue;
+        }
+        
         View_ID view = get_active_view(app, AccessAll);
         
         Buffer_ID buffer = view_get_buffer(app, view, AccessAll);
@@ -41,7 +86,7 @@ CUSTOM_DOC("Input consumption loop for base view behavior")
             // NOTE(allen): we don't have anything to do with this input,
             // leave it marked unhandled so that if there's a follow up
             // event it is not blocked.
-            leave_command_input_unhandled(app);
+            leave_current_input_unhandled(app);
         }
         else{
             // NOTE(allen): before the command is called do some book keeping
@@ -170,8 +215,8 @@ draw_enclosures(Application_Links *app, Text_Layout_ID text_layout_id, Buffer_ID
     }
 }
 
+#if 0
 static argb_color default_colors[Stag_COUNT] = {};
-
 MODIFY_COLOR_TABLE_SIG(default_modify_color_table){
     if (default_colors[Stag_NOOP] == 0){
         default_colors[Stag_NOOP]                  = 0xFFFF00FF;
@@ -231,8 +276,10 @@ MODIFY_COLOR_TABLE_SIG(default_modify_color_table){
     color_table.count = ArrayCount(default_colors);
     return(color_table);
 }
+#endif
 
-GET_VIEW_BUFFER_REGION_SIG(default_view_buffer_region){
+function Rect_f32
+default_view_buffer_region(Application_Links *app, View_ID view_id, Rect_f32 sub_region){
     Buffer_ID buffer = view_get_buffer(app, view_id, AccessAll);
     Face_ID face_id = get_face_id(app, buffer);
     Face_Metrics metrics = get_face_metrics(app, face_id);
@@ -714,31 +761,6 @@ default_render_caller(Application_Links *app, Frame_Info frame_info, View_ID vie
     draw_set_clip(app, prev_clip);
 }
 
-HOOK_SIG(default_exit){
-    // If this returns false it cancels the exit.
-    b32 result = true;
-    
-    if (!allow_immediate_close_without_checking_for_changes){
-        b32 has_unsaved_changes = false;
-        for (Buffer_ID buffer = get_buffer_next(app, 0, AccessAll);
-             buffer != 0;
-             buffer = get_buffer_next(app, buffer, AccessAll)){
-            Dirty_State dirty = buffer_get_dirty_state(app, buffer);
-            if (HasFlag(dirty, DirtyState_UnsavedChanges)){
-                has_unsaved_changes = true;
-                break;
-            }
-        }
-        if (has_unsaved_changes){
-            View_ID view = get_active_view(app, AccessAll);
-            do_gui_sure_to_close_4coder(app, view);
-            result = false;
-        }
-    }
-    
-    return(result);
-}
-
 HOOK_SIG(default_view_adjust){
     // NOTE(allen): Called whenever the view layout/sizes have been modified, including
     // by full window resize.
@@ -1000,7 +1022,7 @@ BUFFER_HOOK_SIG(default_file_save){
     return(0);
 }
 
-FILE_EDIT_RANGE_SIG(default_file_edit_range){
+BUFFER_EDIT_RANGE_SIG(default_buffer_edit_range){
     // buffer_id, range, text
     
     Interval_i64 replace_range = Ii64(range.first, range.first + text.size);
@@ -1089,16 +1111,6 @@ FILE_EDIT_RANGE_SIG(default_file_edit_range){
     return(0);
 }
 
-FILE_EXTERNALLY_MODIFIED_SIG(default_file_externally_modified){
-    // buffer_id
-    Scratch_Block scratch(app);
-    String_Const_u8 name = push_buffer_unique_name(app, scratch, buffer_id);
-    String_Const_u8 str = push_u8_stringf(scratch, "Modified externally: %s\n", name.str);
-    print_message(app, str);
-    // no meaning for return
-    return(0);
-}
-
 BUFFER_HOOK_SIG(default_end_file){
     Scratch_Block scratch(app);
     String_Const_u8 buffer_name = push_buffer_unique_name(app, scratch, buffer_id);
@@ -1108,19 +1120,6 @@ BUFFER_HOOK_SIG(default_end_file){
     return(0);
 }
 
-// NOTE(allen|a4.0.9): The input filter allows you to modify the input
-// to a frame before 4coder starts processing it at all.
-//
-// Right now it only has access to the mouse state, but it will be
-// extended to have access to the key presses soon.
-INPUT_FILTER_SIG(default_suppress_mouse_filter){
-    if (suppressing_mouse){
-        block_zero_struct(mouse);
-        mouse->p.x = -100;
-        mouse->p.y = -100;
-    }
-}
-
 // TODO(allen): FIX FIX FIX FIX
 // NOTE(allen|a4): scroll rule information
 //
@@ -1202,24 +1201,27 @@ DELTA_RULE_SIG(smooth_scroll_rule){
 
 internal void
 set_all_default_hooks(Application_Links *app){
+#if 0
     set_custom_hook(app, HookID_Exit, default_exit);
-    set_custom_hook(app, HookID_BufferViewerUpdate, default_view_adjust);
-    
     set_custom_hook(app, HookID_Start, default_start);
-    set_custom_hook(app, HookID_OpenFile, default_file_settings);
-    set_custom_hook(app, HookID_NewFile, default_new_file);
-    set_custom_hook(app, HookID_SaveFile, default_file_save);
-    set_custom_hook(app, HookID_FileEditRange, default_file_edit_range);
     set_custom_hook(app, HookID_FileExternallyModified, default_file_externally_modified);
-    set_custom_hook(app, HookID_EndFile, end_file_close_jump_list);
+    set_custom_hook(app, HookID_InputFilter, default_suppress_mouse_filter);
+    set_custom_hook(app, HookID_ModifyColorTable, default_modify_color_table);
+#endif
+    
+    set_custom_hook(app, HookID_BufferViewerUpdate, default_view_adjust);
     
     set_custom_hook(app, HookID_ViewEventHandler, default_view_input_handler);
     set_custom_hook(app, HookID_RenderCaller, default_render_caller);
-    set_custom_hook(app, HookID_InputFilter, default_suppress_mouse_filter);
     set_custom_hook(app, HookID_ScrollRule, smooth_scroll_rule);
     set_custom_hook(app, HookID_BufferNameResolver, default_buffer_name_resolution);
-    set_custom_hook(app, HookID_ModifyColorTable, default_modify_color_table);
-    set_custom_hook(app, HookID_GetViewBufferRegion, default_view_buffer_region);
+    
+    set_custom_hook(app, HookID_BeginBuffer, default_file_settings);
+    set_custom_hook(app, HookID_EndBuffer, end_file_close_jump_list);
+    set_custom_hook(app, HookID_NewFile, default_new_file);
+    set_custom_hook(app, HookID_SaveFile, default_file_save);
+    set_custom_hook(app, HookID_BufferEditRange, default_buffer_edit_range);
+    set_custom_hook(app, HookID_BufferRegion, default_view_buffer_region);
 }
 
 // BOTTOM
diff --git a/custom/4coder_default_include.cpp b/custom/4coder_default_include.cpp
index 15efbaef..13359933 100644
--- a/custom/4coder_default_include.cpp
+++ b/custom/4coder_default_include.cpp
@@ -9,8 +9,8 @@
 
 #include "4coder_base_types.h"
 #include "4coder_version.h"
-#include "4coder_events.h"
 #include "4coder_default_colors.h"
+#include "4coder_events.h"
 #include "4coder_types.h"
 #define DYNAMIC_LINK_API
 #include "generated/custom_api.h"
diff --git a/custom/4coder_events.cpp b/custom/4coder_events.cpp
index 217fb56c..7db404d6 100644
--- a/custom/4coder_events.cpp
+++ b/custom/4coder_events.cpp
@@ -212,6 +212,26 @@ get_event_properties(Input_Event *event){
                 {
                     flags |= EventProperty_ViewActivation;
                 }break;
+                
+                case CoreCode_FileExternallyModified:
+                {
+                    flags |= EventProperty_AnyFile;
+                }break;
+                
+                case CoreCode_Startup:
+                {
+                    flags |= EventProperty_Startup;
+                }break;
+                
+                case CoreCode_TryExit:
+                {
+                    flags |= EventProperty_Exit;
+                }break;
+                
+                case CoreCode_NewClipboardContents:
+                {
+                    flags |= EventProperty_Clipboard;
+                }break;
             }
         }break;
     }
diff --git a/custom/4coder_events.h b/custom/4coder_events.h
index 5368d961..288b6017 100644
--- a/custom/4coder_events.h
+++ b/custom/4coder_events.h
@@ -69,6 +69,14 @@ struct Input_Event{
         } mouse_move;
         struct{
             Core_Code code;
+            union{
+                String_Const_u8 string;
+                i32 id;
+                struct{
+                    String_Const_u8_Array flag_strings;
+                    String_Const_u8_Array file_names;
+                };
+            };
         } core;
     };
 };
@@ -96,6 +104,10 @@ enum{
     EventProperty_Animate        = 0x80,
     EventProperty_ViewActivation = 0x100,
     EventProperty_TextInsert     = 0x200,
+    EventProperty_AnyFile        = 0x400,
+    EventProperty_Startup        = 0x800,
+    EventProperty_Exit           = 0x1000,
+    EventProperty_Clipboard      = 0x2000,
 };
 enum{
     EventPropertyGroup_AnyKeyboardEvent =
@@ -114,7 +126,11 @@ enum{
     EventPropertyGroup_Any =
         EventPropertyGroup_AnyUserInput|
         EventProperty_Animate|
-        EventProperty_ViewActivation,
+        EventProperty_ViewActivation|
+        EventProperty_AnyFile|
+        EventProperty_Startup|
+        EventProperty_Exit|
+        EventProperty_Clipboard,
 };
 
 #endif
diff --git a/custom/4coder_helper.cpp b/custom/4coder_helper.cpp
index 48eef7bc..998c7f1f 100644
--- a/custom/4coder_helper.cpp
+++ b/custom/4coder_helper.cpp
@@ -1301,14 +1301,15 @@ query_user_general(Application_Links *app, Query_Bar *bar, b32 force_number){
     
     for (;;){
         // NOTE(allen|a3.4.4): This call will block until the user does one of the input
-        // types specified in the flags.  The first set of flags are inputs you'd like to intercept
-        // that you don't want to abort on.  The second set are inputs that you'd like to cause
-        // the command to abort.  If an event satisfies both flags, it is treated as an abort.
-        User_Input in = get_user_input(app, EventPropertyGroup_AnyKeyboardEvent,
+        // types specified in the flags.  The first set of flags are inputs you'd like to
+        // intercept that you don't want to abort on.  The second set are inputs that
+        // you'd like to cause the command to abort.  If an event satisfies both flags, it
+        // is treated as an abort.
+        User_Input in = get_next_input(app, EventPropertyGroup_AnyKeyboardEvent,
                                        EventProperty_Escape|EventProperty_MouseButton);
         
         // NOTE(allen|a3.4.4): The responsible thing to do on abort is to end the command
-        // without waiting on get_user_input again.
+        // without waiting on get_next_input again.
         if (in.abort){
             success = false;
             break;
@@ -1351,7 +1352,7 @@ query_user_general(Application_Links *app, Query_Bar *bar, b32 force_number){
             bar->string = string.string;
         }
         else{
-            leave_command_input_unhandled(app);
+            leave_current_input_unhandled(app);
         }
     }
     
@@ -1675,7 +1676,9 @@ internal Buffer_Kill_Result
 try_buffer_kill(Application_Links *app, Buffer_ID buffer, View_ID gui_view_id, Buffer_Kill_Flag flags){
     Buffer_Kill_Result result = buffer_kill(app, buffer, flags);
     if (result == BufferKillResult_Dirty){
-        do_gui_sure_to_kill(app, buffer, gui_view_id);
+        if (do_gui_sure_to_kill(app, buffer, gui_view_id)){
+            result = buffer_kill(app, buffer, BufferKill_AlwaysKill);
+        }
     }
     return(result);
 }
diff --git a/custom/4coder_jump_lister.cpp b/custom/4coder_jump_lister.cpp
index 9ef4f800..cb61a37b 100644
--- a/custom/4coder_jump_lister.cpp
+++ b/custom/4coder_jump_lister.cpp
@@ -10,7 +10,7 @@ activate_jump(Application_Links *app,
               String_Const_u8 text_field, void *user_data, b32 activated_by_mouse){
     Lister_Activation_Code result_code = ListerActivation_Finished;
     i32 list_index = (i32)PtrAsInt(user_data);
-    Jump_Lister_Parameters *params = (Jump_Lister_Parameters*)lister->data.user_data;
+    Jump_Lister_Parameters *params = (Jump_Lister_Parameters*)lister->user_data;
     Marker_List *list = get_marker_list_for_buffer(params->list_buffer_id);
     if (list != 0){
         View_ID target_view = {};
diff --git a/custom/4coder_jump_sticky.cpp b/custom/4coder_jump_sticky.cpp
index 283d3f64..9a0f1dd2 100644
--- a/custom/4coder_jump_sticky.cpp
+++ b/custom/4coder_jump_sticky.cpp
@@ -572,7 +572,7 @@ CUSTOM_DOC("If the buffer in the active view is writable, inserts a character, o
         }
     }
     else{
-        leave_command_input_unhandled(app);
+        leave_current_input_unhandled(app);
     }
 }
 
@@ -589,7 +589,7 @@ CUSTOM_DOC("If the buffer in the active view is writable, inserts a character, o
         }
     }
     else{
-        leave_command_input_unhandled(app);
+        leave_current_input_unhandled(app);
     }
 }
 
diff --git a/custom/4coder_lister_base.cpp b/custom/4coder_lister_base.cpp
index efd89cde..fc8143b3 100644
--- a/custom/4coder_lister_base.cpp
+++ b/custom/4coder_lister_base.cpp
@@ -50,24 +50,95 @@ view_get_lister(View_ID view){
 }
 
 function Lister*
-begin_lister(Application_Links *app, Arena *arena, View_ID view, void *user_data, umem user_data_size){
+begin_lister(Application_Links *app, Arena *arena, View_ID view,
+             void *user_data, umem user_data_size){
     Lister *lister = push_array_zero(arena, Lister, 1);
     lister->arena = arena;
-    lister->data.query = Su8(lister->data.query_space, 0, sizeof(lister->data.query_space));
-    lister->data.text_field = Su8(lister->data.text_field_space, 0, sizeof(lister->data.text_field_space));
-    lister->data.key_string = Su8(lister->data.key_string_space, 0, sizeof(lister->data.key_string_space));
-    lister->data.user_data_size = user_data_size;
-    if (user_data_size > 0){
-        lister->data.user_data = push_array(lister->arena, u8, user_data_size);
-        if (user_data != 0){
-            block_copy(lister->data.user_data, user_data, user_data_size);
-        }
+    lister->query = Su8(lister->query_space, 0, sizeof(lister->query_space));
+    lister->text_field = Su8(lister->text_field_space, 0, sizeof(lister->text_field_space));
+    lister->key_string = Su8(lister->key_string_space, 0, sizeof(lister->key_string_space));
+    lister->user_data = user_data;
+    lister->user_data_size = user_data_size;
+    if (user_data == 0){
+        lister->user_data = push_array_zero(arena, u8, user_data_size);
     }
     global_lister_state[view - 1] = lister;
     lister->restore_all_point = begin_temp(lister->arena);
     return(lister);
 }
 
+function void
+lister_set_map(Lister *lister, Mapping *mapping, Command_Map *map){
+    lister->mapping = mapping;
+    lister->map = map;
+}
+
+function void
+lister_set_map(Lister *lister, Mapping *mapping, Command_Map_ID map){
+    lister->mapping = mapping;
+    lister->map = mapping_get_map(mapping, map);
+}
+
+function void
+lister_set_string(String_Const_u8 string, String_u8 *target){
+    target->size = 0;
+    string_append(target, string);
+}
+function void
+lister_append_string(String_Const_u8 string, String_u8 *target){
+    string_append(target, string);
+}
+
+function void
+lister_set_query(Lister *lister, String_Const_u8 string){
+    lister_set_string(string, &lister->query);
+}
+function void
+lister_set_query(Lister *lister, char *string){
+    lister_set_string(SCu8(string), &lister->query);
+}
+function void
+lister_set_text_field(Lister *lister, String_Const_u8 string){
+    lister_set_string(string, &lister->text_field);
+}
+function void
+lister_set_text_field(Lister *lister, char *string){
+    lister_set_string(SCu8(string), &lister->text_field);
+}
+function void
+lister_set_key(Lister *lister, String_Const_u8 string){
+    lister_set_string(string, &lister->key_string);
+}
+function void
+lister_set_key(Lister *lister, char *string){
+    lister_set_string(SCu8(string), &lister->key_string);
+}
+
+function void
+lister_append_query(Lister *lister, String_Const_u8 string){
+    lister_append_string(string, &lister->query);
+}
+function void
+lister_append_query(Lister *lister, char *string){
+    lister_append_string(SCu8(string), &lister->query);
+}
+function void
+lister_append_text_field(Lister *lister, String_Const_u8 string){
+    lister_append_string(string, &lister->text_field);
+}
+function void
+lister_append_text_field(Lister *lister, char *string){
+    lister_append_string(SCu8(string), &lister->text_field);
+}
+function void
+lister_append_key(Lister *lister, String_Const_u8 string){
+    lister_append_string(string, &lister->key_string);
+}
+function void
+lister_append_key(Lister *lister, char *string){
+    lister_append_string(SCu8(string), &lister->key_string);
+}
+
 function void
 lister_render(Application_Links *app, Frame_Info frame_info, View_ID view){
     Scratch_Block scratch(app);
@@ -105,10 +176,10 @@ lister_render(Application_Links *app, Frame_Info frame_info, View_ID view){
     {
         Fancy_String_List text_field = {};
         push_fancy_string(scratch, &text_field, fancy_id(Stag_Pop1),
-                          lister->data.query.string);
+                          lister->query.string);
         push_fancy_stringf(scratch, &text_field, fancy_id(Stag_Pop1), " ");
         push_fancy_string(scratch, &text_field, fancy_id(Stag_Default),
-                          lister->data.text_field.string);
+                          lister->text_field.string);
         draw_fancy_string(app, face_id, text_field.first,
                           V2f32(layout.text_field_rect.x0 + 3.f, layout.text_field_rect.y0),
                           Stag_Default, Stag_Back, 0, V2f32(1.f, 0.f));
@@ -117,24 +188,24 @@ lister_render(Application_Links *app, Frame_Info frame_info, View_ID view){
     Range_f32 x = rect_range_x(layout.list_rect);
     draw_set_clip(app, layout.list_rect);
     
-    i32 count = lister->data.filtered.count;
+    i32 count = lister->filtered.count;
     Range_f32 scroll_range = If32(0.f, clamp_bot(0.f, count*block_height - block_height));
-    lister->data.scroll.position.y = clamp_range(scroll_range, lister->data.scroll.position.y);
-    lister->data.scroll.position.x = 0.f;
-    lister->data.scroll.target.y = clamp_range(scroll_range, lister->data.scroll.target.y);
-    lister->data.scroll.target.x = 0.f;
+    lister->scroll.position.y = clamp_range(scroll_range, lister->scroll.position.y);
+    lister->scroll.position.x = 0.f;
+    lister->scroll.target.y = clamp_range(scroll_range, lister->scroll.target.y);
+    lister->scroll.target.x = 0.f;
     
     // TODO(allen): get scroll rule from context
-    lister->data.scroll.position = lister->data.scroll.target;
+    lister->scroll.position = lister->scroll.target;
     
-    f32 scroll_y = lister->data.scroll.position.y;
+    f32 scroll_y = lister->scroll.position.y;
     
     f32 y_pos = layout.list_rect.y0 - scroll_y;
     i32 first_index = (i32)(scroll_y/block_height);
     y_pos += first_index*block_height;
     
     for (i32 i = first_index; i < count; i += 1){
-        Lister_Node *node = lister->data.filtered.node_ptrs[i];
+        Lister_Node *node = lister->filtered.node_ptrs[i];
         
         Range_f32 y = If32(y_pos, y_pos + block_height);
         y_pos = y.max;
@@ -144,10 +215,10 @@ lister_render(Application_Links *app, Frame_Info frame_info, View_ID view){
         
         b32 hovered = rect_contains_point(item_rect, m_p);
         UI_Highlight_Level highlight = UIHighlight_None;
-        if (node == lister->data.highlighted_node){
+        if (node == lister->highlighted_node){
             highlight = UIHighlight_Active;
         }
-        else if (node->user_data == lister->data.hot_user_data){
+        else if (node->user_data == lister->hot_user_data){
             if (hovered){
                 highlight = UIHighlight_Active;
             }
@@ -177,9 +248,9 @@ lister_render(Application_Links *app, Frame_Info frame_info, View_ID view){
 function void*
 lister_get_user_data(Lister *lister, i32 index){
     void *result = 0;
-    if (0 <= index && index < lister->data.options.count){
+    if (0 <= index && index < lister->options.count){
         i32 counter = 0;
-        for (Lister_Node *node = lister->data.options.first;
+        for (Lister_Node *node = lister->options.first;
              node != 0;
              node = node->next, counter += 1){
             if (counter == index){
@@ -193,7 +264,7 @@ lister_get_user_data(Lister *lister, i32 index){
 
 function Lister_Filtered
 lister_get_filtered(Arena *arena, Lister *lister){
-    i32 node_count = lister->data.options.count;
+    i32 node_count = lister->options.count;
     
     Lister_Filtered filtered = {};
     filtered.exact_matches.node_ptrs = push_array(arena, Lister_Node*, 1);
@@ -202,7 +273,7 @@ lister_get_filtered(Arena *arena, Lister *lister){
     
     Temp_Memory_Block temp(arena);
     
-    String_Const_u8 key = lister->data.key_string.string;
+    String_Const_u8 key = lister->key_string.string;
     key = push_string_copy(arena, key);
     string_mod_replace_character(key, '_', '*');
     string_mod_replace_character(key, ' ', '*');
@@ -214,7 +285,7 @@ lister_get_filtered(Arena *arena, Lister *lister){
     string_list_push(&absolutes, &splits);
     string_list_push(arena, &absolutes, string_u8_litexpr(""));
     
-    for (Lister_Node *node = lister->data.options.first;
+    for (Lister_Node *node = lister->options.first;
          node != 0;
          node = node->next){
         String_Const_u8 node_string = node->string;
@@ -250,7 +321,7 @@ lister_update_filtered_list(Application_Links *app, View_ID view, Lister *lister
     };
     
     Arena *arena = lister->arena;
-    end_temp(lister->data.filter_restore_point);
+    end_temp(lister->filter_restore_point);
     
     i32 total_count = 0;
     for (i32 array_index = 0; array_index < ArrayCount(node_ptr_arrays); array_index += 1){
@@ -259,11 +330,11 @@ lister_update_filtered_list(Application_Links *app, View_ID view, Lister *lister
     }
     
     Lister_Node **node_ptrs = push_array(arena, Lister_Node*, total_count);
-    lister->data.filtered.node_ptrs = node_ptrs;
-    lister->data.filtered.count = total_count;
+    lister->filtered.node_ptrs = node_ptrs;
+    lister->filtered.count = total_count;
     
-    lister->data.raw_item_index = -1;
-    lister->data.highlighted_node = 0;
+    lister->raw_item_index = -1;
+    lister->highlighted_node = 0;
     
     i32 counter = 0;
     for (i32 array_index = 0; array_index < ArrayCount(node_ptr_arrays); array_index += 1){
@@ -271,9 +342,9 @@ lister_update_filtered_list(Application_Links *app, View_ID view, Lister *lister
         for (i32 node_index = 0; node_index < node_ptr_array.count; node_index += 1){
             Lister_Node *node = node_ptr_array.node_ptrs[node_index];
             node_ptrs[counter] = node;
-            if (lister->data.item_index == counter){
-                lister->data.highlighted_node = node;
-                lister->data.raw_item_index = node->raw_index;
+            if (lister->item_index == counter){
+                lister->highlighted_node = node;
+                lister->raw_item_index = node->raw_index;
             }
             counter += 1;
         }
@@ -282,9 +353,9 @@ lister_update_filtered_list(Application_Links *app, View_ID view, Lister *lister
 
 function void
 lister_call_refresh_handler(Application_Links *app, View_ID view, Lister *lister){
-    if (lister->data.handlers.refresh != 0){
-        lister->data.handlers.refresh(app, lister);
-        lister->data.filter_restore_point = begin_temp(lister->arena);
+    if (lister->handlers.refresh != 0){
+        lister->handlers.refresh(app, lister);
+        lister->filter_restore_point = begin_temp(lister->arena);
         lister_update_filtered_list(app, view, lister);
     }
 }
@@ -300,7 +371,7 @@ lister_default(Application_Links *app, View_ID view, Lister *lister, Lister_Acti
         
         case ListerActivation_ContinueAndRefresh:
         {
-            lister->data.item_index = 0;
+            lister->item_index = 0;
             lister_call_refresh_handler(app, view, lister);
         }break;
     }
@@ -310,9 +381,9 @@ function Lister_Activation_Code
 lister_call_activate_handler(Application_Links *app, View_ID view, Lister *lister,
                              void *user_data, b32 activated_by_mouse){
     Lister_Activation_Code result = ListerActivation_Finished;
-    if (lister->data.handlers.activate != 0){
-        result = lister->data.handlers.activate(app, view, lister, lister->data.text_field.string,
-                                                user_data, activated_by_mouse);
+    if (lister->handlers.activate != 0){
+        result = lister->handlers.activate(app, view, lister, lister->text_field.string,
+                                           user_data, activated_by_mouse);
     }
     else{
         lister_default(app, view, lister, ListerActivation_Finished);
@@ -336,10 +407,10 @@ lister_user_data_at_p(Application_Links *app, View_ID view, Lister *lister, Vec2
     
     void *result = 0;
     if (rect_contains_point(layout.list_rect, m_p)){
-        f32 y = m_p.y - layout.list_rect.y0 + lister->data.scroll.position.y;
+        f32 y = m_p.y - layout.list_rect.y0 + lister->scroll.position.y;
         i32 index = (i32)(y/block_height);
-        if (0 < index && index < lister->data.filtered.count){
-            Lister_Node *node = lister->data.filtered.node_ptrs[index];
+        if (0 < index && index < lister->filtered.count){
+            Lister_Node *node = lister->filtered.node_ptrs[index];
             result = node->user_data;
         }
     }
@@ -349,15 +420,16 @@ lister_user_data_at_p(Application_Links *app, View_ID view, Lister *lister, Vec2
 
 function void
 lister_run(Application_Links *app, View_ID view, Lister *lister){
-    lister->data.filter_restore_point = begin_temp(lister->arena);
+    lister->filter_restore_point = begin_temp(lister->arena);
     lister_update_filtered_list(app, view, lister);
     
     View_Context ctx = view_current_context(app, view);
     ctx.render_caller = lister_render;
+    ctx.hides_buffer = true;
     view_push_context(app, view, &ctx);
     
     for (;;){
-        User_Input in = get_user_input(app, EventPropertyGroup_Any, EventProperty_Escape);
+        User_Input in = get_next_input(app, EventPropertyGroup_Any, EventProperty_Escape);
         if (in.abort){
             break;
         }
@@ -367,8 +439,8 @@ lister_run(Application_Links *app, View_ID view, Lister *lister){
         switch (in.event.kind){
             case InputEventKind_TextInsert:
             {
-                if (lister->data.handlers.write_character != 0){
-                    lister->data.handlers.write_character(app);
+                if (lister->handlers.write_character != 0){
+                    lister->handlers.write_character(app);
                 }
             }break;
             
@@ -379,9 +451,9 @@ lister_run(Application_Links *app, View_ID view, Lister *lister){
                     case KeyCode_Tab:
                     {
                         void *user_data = 0;
-                        if (0 <= lister->data.raw_item_index &&
-                            lister->data.raw_item_index < lister->data.options.count){
-                            user_data = lister_get_user_data(lister, lister->data.raw_item_index);
+                        if (0 <= lister->raw_item_index &&
+                            lister->raw_item_index < lister->options.count){
+                            user_data = lister_get_user_data(lister, lister->raw_item_index);
                         }
                         result = lister_call_activate_handler(app, view, lister,
                                                               user_data, false);
@@ -389,11 +461,11 @@ lister_run(Application_Links *app, View_ID view, Lister *lister){
                     
                     case KeyCode_Backspace:
                     {
-                        if (lister->data.handlers.backspace != 0){
-                            lister->data.handlers.backspace(app);
+                        if (lister->handlers.backspace != 0){
+                            lister->handlers.backspace(app);
                         }
-                        else if (lister->data.handlers.key_stroke != 0){
-                            result = lister->data.handlers.key_stroke(app);
+                        else if (lister->handlers.key_stroke != 0){
+                            result = lister->handlers.key_stroke(app);
                         }
                         else{
                             handled = false;
@@ -402,8 +474,8 @@ lister_run(Application_Links *app, View_ID view, Lister *lister){
                     
                     case KeyCode_Up:
                     {
-                        if (lister->data.handlers.navigate_up != 0){
-                            lister->data.handlers.navigate_up(app);
+                        if (lister->handlers.navigate_up != 0){
+                            lister->handlers.navigate_up(app);
                         }
                         else{
                             handled = false;
@@ -412,8 +484,8 @@ lister_run(Application_Links *app, View_ID view, Lister *lister){
                     
                     case KeyCode_Down:
                     {
-                        if (lister->data.handlers.navigate_down != 0){
-                            lister->data.handlers.navigate_down(app);
+                        if (lister->handlers.navigate_down != 0){
+                            lister->handlers.navigate_down(app);
                         }
                         else{
                             handled = false;
@@ -422,8 +494,8 @@ lister_run(Application_Links *app, View_ID view, Lister *lister){
                     
                     default:
                     {
-                        if (lister->data.handlers.key_stroke != 0){
-                            result = lister->data.handlers.key_stroke(app);
+                        if (lister->handlers.key_stroke != 0){
+                            result = lister->handlers.key_stroke(app);
                         }
                         else{
                             handled = false;
@@ -439,7 +511,7 @@ lister_run(Application_Links *app, View_ID view, Lister *lister){
                     {
                         Vec2_f32 p = V2f32(in.event.mouse.p);
                         void *clicked = lister_user_data_at_p(app, view, lister, p);
-                        lister->data.hot_user_data = clicked;
+                        lister->hot_user_data = clicked;
                     }break;
                     
                     default:
@@ -454,15 +526,15 @@ lister_run(Application_Links *app, View_ID view, Lister *lister){
                 switch (in.event.mouse.code){
                     case MouseCode_Left:
                     {
-                        if (lister->data.hot_user_data != 0){
+                        if (lister->hot_user_data != 0){
                             Vec2_f32 p = V2f32(in.event.mouse.p);
                             void *clicked = lister_user_data_at_p(app, view, lister, p);
-                            if (lister->data.hot_user_data == clicked){
+                            if (lister->hot_user_data == clicked){
                                 result = lister_call_activate_handler(app, view, lister,
                                                                       clicked, true);
                             }
                         }
-                        lister->data.hot_user_data = 0;
+                        lister->hot_user_data = 0;
                     }break;
                     
                     default:
@@ -475,7 +547,7 @@ lister_run(Application_Links *app, View_ID view, Lister *lister){
             case InputEventKind_MouseWheel:
             {
                 Mouse_State mouse = get_mouse_state(app);
-                lister->data.scroll.target.y += mouse.wheel;
+                lister->scroll.target.y += mouse.wheel;
                 lister_update_filtered_list(app, view, lister);
             }break;
             
@@ -494,8 +566,28 @@ lister_run(Application_Links *app, View_ID view, Lister *lister){
         if (result == ListerActivation_Finished){
             break;
         }
+        
         if (!handled){
-            leave_command_input_unhandled(app);
+            Mapping *mapping = lister->mapping;
+            Command_Map *map = lister->map;
+            if (mapping != 0 && map != 0){
+                Command_Binding binding =
+                    map_get_binding_recursive(mapping, map, &in.event);
+                if (binding.custom != 0){
+                    i64 old_num = get_current_input_sequence_number(app);
+                    binding.custom(app);
+                    i64 num = get_current_input_sequence_number(app);
+                    if (old_num < num){
+                        break;
+                    }
+                }
+                else{
+                    leave_current_input_unhandled(app);
+                }
+            }
+            else{
+                leave_current_input_unhandled(app);
+            }
         }
     }
     
@@ -512,8 +604,8 @@ lister_prealloced(String_Const_u8 string){
 function void
 lister_begin_new_item_set(Application_Links *app, Lister *lister){
     end_temp(lister->restore_all_point);
-    block_zero_struct(&lister->data.options);
-    block_zero_struct(&lister->data.filtered);
+    block_zero_struct(&lister->options);
+    block_zero_struct(&lister->filtered);
 }
 
 function void*
@@ -524,9 +616,9 @@ lister_add_item(Lister *lister, Lister_Prealloced_String string, Lister_Prealloc
     node->string = string.string;
     node->status = status.string;
     node->user_data = user_data;
-    node->raw_index = lister->data.options.count;
-    zdll_push_back(lister->data.options.first, lister->data.options.last, node);
-    lister->data.options.count += 1;
+    node->raw_index = lister->options.count;
+    zdll_push_back(lister->options.first, lister->options.last, node);
+    lister->options.count += 1;
     void *result = (node + 1);
     return(result);
 }
@@ -553,88 +645,5 @@ lister_add_item(Lister *lister, String_Const_u8 string, String_Const_u8 status,
                            user_data, extra_space));
 }
 
-function void*
-lister_add_theme_item(Lister *lister,
-                      Lister_Prealloced_String string, i32 index,
-                      void *user_data, i32 extra_space){
-    Lister_Node *node = push_array(lister->arena, Lister_Node, 1);
-    node->string = string.string;
-    node->index = index;
-    node->user_data = user_data;
-    node->raw_index = lister->data.options.count;
-    zdll_push_back(lister->data.options.first, lister->data.options.last, node);
-    lister->data.options.count += 1;
-    void *result = push_array(lister->arena, char, extra_space);
-    push_align(lister->arena, 8);
-    return(result);
-}
-
-function void*
-lister_add_theme_item(Lister *lister, String_Const_u8 string, i32 index,
-                      void *user_data, i32 extra_space){
-    return(lister_add_theme_item(lister, lister_prealloced(push_string_copy(lister->arena, string)), index,
-                                 user_data, extra_space));
-}
-
-function void
-lister_set_string(String_Const_u8 string, String_u8 *target){
-    target->size = 0;
-    string_append(target, string);
-}
-function void
-lister_append_string(String_Const_u8 string, String_u8 *target){
-    string_append(target, string);
-}
-
-function void
-lister_set_query(Lister *lister, String_Const_u8 string){
-    lister_set_string(string, &lister->data.query);
-}
-function void
-lister_set_query(Lister *lister, char *string){
-    lister_set_string(SCu8(string), &lister->data.query);
-}
-function void
-lister_set_text_field(Lister *lister, String_Const_u8 string){
-    lister_set_string(string, &lister->data.text_field);
-}
-function void
-lister_set_text_field(Lister *lister, char *string){
-    lister_set_string(SCu8(string), &lister->data.text_field);
-}
-function void
-lister_set_key(Lister *lister, String_Const_u8 string){
-    lister_set_string(string, &lister->data.key_string);
-}
-function void
-lister_set_key(Lister *lister, char *string){
-    lister_set_string(SCu8(string), &lister->data.key_string);
-}
-
-function void
-lister_append_query(Lister *lister, String_Const_u8 string){
-    lister_append_string(string, &lister->data.query);
-}
-function void
-lister_append_query(Lister *lister, char *string){
-    lister_append_string(SCu8(string), &lister->data.query);
-}
-function void
-lister_append_text_field(Lister *lister, String_Const_u8 string){
-    lister_append_string(string, &lister->data.text_field);
-}
-function void
-lister_append_text_field(Lister *lister, char *string){
-    lister_append_string(SCu8(string), &lister->data.text_field);
-}
-function void
-lister_append_key(Lister *lister, String_Const_u8 string){
-    lister_append_string(string, &lister->data.key_string);
-}
-function void
-lister_append_key(Lister *lister, char *string){
-    lister_append_string(SCu8(string), &lister->data.key_string);
-}
-
 // BOTTOM
 
diff --git a/custom/4coder_lister_base.h b/custom/4coder_lister_base.h
index ddb4d29c..7e7524dc 100644
--- a/custom/4coder_lister_base.h
+++ b/custom/4coder_lister_base.h
@@ -59,29 +59,32 @@ struct Lister{
     Arena *arena;
     Temp_Memory restore_all_point;
     
-    struct{
-        Lister_Handlers handlers;
-        
-        void *user_data;
-        umem user_data_size;
-        u8 query_space[256];
-        u8 text_field_space[256];
-        u8 key_string_space[256];
-        String_u8 query;
-        String_u8 text_field;
-        String_u8 key_string;
-        Lister_Node_List options;
-        Temp_Memory filter_restore_point;
-        Lister_Node_Ptr_Array filtered;
-        
-        b32 set_view_vertical_focus_to_item;
-        Lister_Node *highlighted_node;
-        void *hot_user_data;
-        i32 item_index;
-        i32 raw_item_index;
-        
-        Basic_Scroll scroll;
-    } data;
+    Lister_Handlers handlers;
+    
+    Mapping *mapping;
+    Command_Map *map;
+    
+    void *user_data;
+    umem user_data_size;
+    
+    u8 query_space[256];
+    u8 text_field_space[256];
+    u8 key_string_space[256];
+    String_u8 query;
+    String_u8 text_field;
+    String_u8 key_string;
+    
+    Lister_Node_List options;
+    Temp_Memory filter_restore_point;
+    Lister_Node_Ptr_Array filtered;
+    
+    b32 set_view_vertical_focus_to_item;
+    Lister_Node *highlighted_node;
+    void *hot_user_data;
+    i32 item_index;
+    i32 raw_item_index;
+    
+    Basic_Scroll scroll;
 };
 
 struct Lister_Prealloced_String{
diff --git a/custom/4coder_lists.cpp b/custom/4coder_lists.cpp
index e31f7bd9..9349598c 100644
--- a/custom/4coder_lists.cpp
+++ b/custom/4coder_lists.cpp
@@ -10,12 +10,12 @@ lister__write_string__default(Application_Links *app){
     View_ID view = get_active_view(app, AccessAll);
     Lister *lister = view_get_lister(view);
     if (lister != 0){
-        User_Input in = get_command_input(app);
+        User_Input in = get_current_input(app);
         String_Const_u8 string = to_writable(&in);
         if (string.str != 0 && string.size > 0){
             lister_append_text_field(lister, string);
             lister_append_key(lister, string);
-            lister->data.item_index = 0;
+            lister->item_index = 0;
             view_zero_scroll(app, view);
             lister_update_filtered_list(app, view, lister);
         }
@@ -27,9 +27,9 @@ lister__backspace_text_field__default(Application_Links *app){
     View_ID view = get_active_view(app, AccessAll);
     Lister *lister = view_get_lister(view);
     if (lister != 0){
-        lister->data.text_field.string = backspace_utf8(lister->data.text_field.string);
-        lister->data.key_string.string = backspace_utf8(lister->data.key_string.string);
-        lister->data.item_index = 0;
+        lister->text_field.string = backspace_utf8(lister->text_field.string);
+        lister->key_string.string = backspace_utf8(lister->key_string.string);
+        lister->item_index = 0;
         view_zero_scroll(app, view);
         lister_update_filtered_list(app, view, lister);
     }
@@ -40,11 +40,11 @@ lister__move_up__default(Application_Links *app){
     View_ID view = get_active_view(app, AccessAll);
     Lister *lister = view_get_lister(view);
     if (lister != 0){
-        lister->data.item_index = lister->data.item_index - 1;
-        if (lister->data.item_index < 0){
-            lister->data.item_index = lister->data.filtered.count - 1;
+        lister->item_index = lister->item_index - 1;
+        if (lister->item_index < 0){
+            lister->item_index = lister->filtered.count - 1;
         }
-        lister->data.set_view_vertical_focus_to_item = true;
+        lister->set_view_vertical_focus_to_item = true;
         lister_update_filtered_list(app, view, lister);
     }
 }
@@ -54,11 +54,11 @@ lister__move_down__default(Application_Links *app){
     View_ID view = get_active_view(app, AccessAll);
     Lister *lister = view_get_lister(view);
     if (lister != 0){
-        lister->data.item_index = lister->data.item_index + 1;
-        if (lister->data.item_index > lister->data.filtered.count - 1){
-            lister->data.item_index = 0;
+        lister->item_index = lister->item_index + 1;
+        if (lister->item_index > lister->filtered.count - 1){
+            lister->item_index = 0;
         }
-        lister->data.set_view_vertical_focus_to_item = true;
+        lister->set_view_vertical_focus_to_item = true;
         lister_update_filtered_list(app, view, lister);
     }
 }
@@ -68,18 +68,18 @@ lister__write_character__file_path(Application_Links *app){
     View_ID view = get_active_view(app, AccessAll);
     Lister *lister = view_get_lister(view);
     if (lister != 0){
-        User_Input in = get_command_input(app);
+        User_Input in = get_current_input(app);
         String_Const_u8 string = to_writable(&in);
         if (string.str != 0 && string.size > 0){
             lister_append_text_field(lister, string);
-            String_Const_u8 front_name = string_front_of_path(lister->data.text_field.string);
+            String_Const_u8 front_name = string_front_of_path(lister->text_field.string);
             lister_set_key(lister, front_name);
             if (character_is_slash(string.str[0])){
-                String_Const_u8 new_hot = lister->data.text_field.string;
+                String_Const_u8 new_hot = lister->text_field.string;
                 set_hot_directory(app, new_hot);
                 lister_call_refresh_handler(app, view, lister);
             }
-            lister->data.item_index = 0;
+            lister->item_index = 0;
             view_zero_scroll(app, view);
             lister_update_filtered_list(app, view, lister);
         }
@@ -91,32 +91,32 @@ lister__backspace_text_field__file_path(Application_Links *app){
     View_ID view = get_active_view(app, AccessAll);
     Lister *lister = view_get_lister(view);
     if (lister != 0){
-        if (lister->data.text_field.size > 0){
-            char last_char = lister->data.text_field.str[lister->data.text_field.size - 1];
-            lister->data.text_field.string = backspace_utf8(lister->data.text_field.string);
+        if (lister->text_field.size > 0){
+            char last_char = lister->text_field.str[lister->text_field.size - 1];
+            lister->text_field.string = backspace_utf8(lister->text_field.string);
             if (character_is_slash(last_char)){
-                User_Input input = get_command_input(app);
-                String_Const_u8 text_field = lister->data.text_field.string;
+                User_Input input = get_current_input(app);
+                String_Const_u8 text_field = lister->text_field.string;
                 String_Const_u8 new_hot = string_remove_last_folder(text_field);
                 b32 is_modified = has_modifier(&input, KeyCode_Control);
                 b32 whole_word_backspace = (is_modified == global_config.lister_whole_word_backspace_when_modified);
                 if (whole_word_backspace){
-                    lister->data.text_field.size = new_hot.size;
+                    lister->text_field.size = new_hot.size;
                 }
                 set_hot_directory(app, new_hot);
                 // TODO(allen): We have to protect against lister_call_refresh_handler changing 
                 // the text_field here. Clean this up.
-                String_u8 dingus = lister->data.text_field;
+                String_u8 dingus = lister->text_field;
                 lister_call_refresh_handler(app, view, lister);
-                lister->data.text_field = dingus;
+                lister->text_field = dingus;
             }
             else{
-                String_Const_u8 text_field = lister->data.text_field.string;
+                String_Const_u8 text_field = lister->text_field.string;
                 String_Const_u8 new_key = string_front_of_path(text_field);
                 lister_set_key(lister, new_key);
             }
             
-            lister->data.item_index = 0;
+            lister->item_index = 0;
             view_zero_scroll(app, view);
             lister_update_filtered_list(app, view, lister);
         }
@@ -129,11 +129,11 @@ lister__key_stroke__fixed_list(Application_Links *app){
     View_ID view = get_active_view(app, AccessAll);
     Lister *lister = view_get_lister(view);
     if (lister != 0){
-        User_Input in = get_command_input(app);
+        User_Input in = get_current_input(app);
         if (in.event.kind == InputEventKind_KeyStroke){
             void *user_data = 0;
             b32 did_shortcut_key = false;
-            for (Lister_Node *node = lister->data.options.first;
+            for (Lister_Node *node = lister->options.first;
                  node != 0;
                  node = node->next){
                 Key_Code *key_code = (Key_Code*)(node + 1);
@@ -180,8 +180,9 @@ run_lister_with_refresh_handler(Application_Links *app, char *query_string,
     if (handlers.refresh != 0){
         Scratch_Block scratch(app);
         Lister *lister = begin_lister(app, scratch, view, user_data, user_data_size);
+        lister_set_map(lister, &framework_mapping, mapid_global);
         lister_set_query(lister, query_string);
-        lister->data.handlers = handlers;
+        lister->handlers = handlers;
         handlers.refresh(app, lister);
         lister_run(app, view, lister);
     }
@@ -214,12 +215,13 @@ run_lister_with_options_array(Application_Links *app, char *query_string,
                               View_ID view){
     Scratch_Block scratch(app);
     Lister *lister = begin_lister(app, scratch, view, user_data, user_data_size);
+    lister_set_map(lister, &framework_mapping, mapid_global);
     for (i32 i = 0; i < option_count; i += 1){
         lister_add_item(lister, options[i].string, options[i].status, options[i].user_data, 0);
     }
     lister_set_query(lister, query_string);
-    lister->data.handlers = lister_get_default_handlers();
-    lister->data.handlers.activate = activate;
+    lister->handlers = lister_get_default_handlers();
+    lister->handlers.activate = activate;
     lister_run(app, view, lister);
 }
 
@@ -232,6 +234,7 @@ run_lister_with_fixed_options(Application_Links *app, char *query_string,
                               View_ID view){
     Scratch_Block scratch(app);
     Lister *lister = begin_lister(app, scratch, view, user_data, user_data_size);
+    lister_set_map(lister, &framework_mapping, mapid_global);
     for (i32 i = 0; i < option_count; i += 1){
         Key_Code code = options[i].key_code;
         void *extra = lister_add_item(lister, SCu8(options[i].string), SCu8(options[i].status),
@@ -239,8 +242,8 @@ run_lister_with_fixed_options(Application_Links *app, char *query_string,
         block_copy(extra, &code, sizeof(code));
     }
     lister_set_query(lister, query_string);
-    lister->data.handlers = handlers;
-    lister->data.handlers.refresh = 0;
+    lister->handlers = handlers;
+    lister->handlers.refresh = 0;
     lister_run(app, view, lister);
 }
 
@@ -434,26 +437,31 @@ enum{
     SureToKill_Save = 3,
 };
 
+struct Confirm_Kill_Data{
+    Buffer_ID id;
+    b32 do_kill;
+};
+
 function Lister_Activation_Code
 activate_confirm_kill(Application_Links *app, View_ID view, Lister *lister, 
                       String_Const_u8 text_field, void *user_data, b32 clicked){
     i32 behavior = (i32)PtrAsInt(user_data);
-    Buffer_ID buffer_id = *(Buffer_ID*)(lister->data.user_data);
+    Confirm_Kill_Data *data = (Confirm_Kill_Data*)(lister->user_data);
     switch (behavior){
         case SureToKill_No:
         {}break;
         
         case SureToKill_Yes:
         {
-            buffer_kill(app, buffer_id, BufferKill_AlwaysKill);
+            data->do_kill = true;
         }break;
         
         case SureToKill_Save:
         {
             Scratch_Block scratch(app);
-            String_Const_u8 file_name = push_buffer_file_name(app, scratch, buffer_id);
-            if (buffer_save(app, buffer_id, file_name, BufferSave_IgnoreDirtyFlag)){
-                buffer_kill(app, buffer_id, BufferKill_AlwaysKill);
+            String_Const_u8 file_name = push_buffer_file_name(app, scratch, data->id);
+            if (buffer_save(app, data->id, file_name, BufferSave_IgnoreDirtyFlag)){
+                data->do_kill = true;
             }
             else{
                 String_Const_u8 str = push_u8_stringf(scratch, "Did not close '%.*s' because it did not successfully save.",
@@ -466,7 +474,7 @@ activate_confirm_kill(Application_Links *app, View_ID view, Lister *lister,
     return(ListerActivation_Finished);
 }
 
-function void
+function b32
 do_gui_sure_to_kill(Application_Links *app, Buffer_ID buffer, View_ID view){
     Lister_Fixed_Option options[] = {
         {"(N)o"           , "", KeyCode_N, IntAsPtr(SureToKill_No)  },
@@ -474,10 +482,13 @@ do_gui_sure_to_kill(Application_Links *app, Buffer_ID buffer, View_ID view){
         {"(S)ave and Kill", "", KeyCode_S, IntAsPtr(SureToKill_Save)},
     };
     i32 option_count = sizeof(options)/sizeof(options[0]);
+    Confirm_Kill_Data data = {};
+    data.id = buffer;
     run_lister_with_fixed_options(app, "There are unsaved changes, close anyway?",
-                                  activate_confirm_kill, &buffer, sizeof(buffer),
+                                  activate_confirm_kill, &data, sizeof(data),
                                   options, option_count, default_string_size_estimation,
                                   view);
+    return(data.do_kill);
 }
 
 function Lister_Activation_Code
@@ -485,6 +496,7 @@ activate_confirm_close_4coder(Application_Links *app,
                               View_ID view, Lister *lister,
                               String_Const_u8 text_field, void *user_data, b32 clicked){
     i32 behavior = (i32)PtrAsInt(user_data);
+    b32 *do_exit = (b32*)user_data;
     switch (behavior){
         case SureToKill_No:
         {}break;
@@ -492,21 +504,21 @@ activate_confirm_close_4coder(Application_Links *app,
         case SureToKill_Yes:
         {
             allow_immediate_close_without_checking_for_changes = true;
-            send_exit_signal(app);
+            *do_exit = true;
         }break;
         
         case SureToKill_Save:
         {
             save_all_dirty_buffers(app);
             allow_immediate_close_without_checking_for_changes = true;
-            send_exit_signal(app);
+            *do_exit = true;
         }break;
     }
     lister_default(app, view, lister, ListerActivation_Finished);
     return(ListerActivation_Finished);
 }
 
-function void
+function b32
 do_gui_sure_to_close_4coder(Application_Links *app, View_ID view){
     Lister_Fixed_Option options[] = {
         {"(N)o"                , "", KeyCode_N, (void*)SureToKill_No  },
@@ -514,10 +526,13 @@ do_gui_sure_to_close_4coder(Application_Links *app, View_ID view){
         {"(S)ave All and Close", "", KeyCode_S, (void*)SureToKill_Save},
     };
     i32 option_count = sizeof(options)/sizeof(options[0]);
+    b32 do_exit = false;
     run_lister_with_fixed_options(app, "There are one or more buffers with unsave changes, close anyway?",
-                                  activate_confirm_close_4coder, 0, 0,
+                                  activate_confirm_close_4coder,
+                                  &do_exit, sizeof(do_exit),
                                   options, option_count, default_string_size_estimation,
                                   view);
+    return(do_exit);
 }
 
 ////////////////////////////////
@@ -611,7 +626,7 @@ activate_open_or_new(Application_Links *app,
         result = ListerActivation_Finished;
     }
     else{
-        String_Const_u8 path = lister->data.text_field.string;
+        String_Const_u8 path = lister->text_field.string;
         if (!character_is_slash(string_get_character(path, path.size - 1))){
             path = string_remove_last_folder(path);
         }
@@ -650,7 +665,7 @@ activate_new(Application_Links *app,
         result = ListerActivation_Finished;
     }
     else{
-        String_Const_u8 path = lister->data.text_field.string;
+        String_Const_u8 path = lister->text_field.string;
         if (character_is_slash(string_get_character(path, path.size - 1))){
             path = string_remove_last_folder(path);
         }
@@ -683,7 +698,7 @@ activate_open(Application_Links *app,
         result = ListerActivation_Finished;
     }
     else{
-        String_Const_u8 path = lister->data.text_field.string;
+        String_Const_u8 path = lister->text_field.string;
         if (!character_is_slash(string_get_character(path, path.size - 1))){
             path = string_remove_last_folder(path);
         }
diff --git a/custom/4coder_log_parser.cpp b/custom/4coder_log_parser.cpp
index 98907069..98c1fa0e 100644
--- a/custom/4coder_log_parser.cpp
+++ b/custom/4coder_log_parser.cpp
@@ -1002,7 +1002,7 @@ CUSTOM_DOC("Parses *log* and displays the 'log graph' UI")
     view_push_context(app, log_view, &ctx);
     
     for (;;){
-        User_Input in = get_user_input(app, EventPropertyGroup_AnyUserInput, KeyCode_Escape);
+        User_Input in = get_next_input(app, EventPropertyGroup_AnyUserInput, KeyCode_Escape);
         if (in.abort){
             log_view = 0;
             break;
diff --git a/custom/4coder_project_commands.cpp b/custom/4coder_project_commands.cpp
index 67e68878..808dc463 100644
--- a/custom/4coder_project_commands.cpp
+++ b/custom/4coder_project_commands.cpp
@@ -944,7 +944,7 @@ CUSTOM_DOC("Looks for a project.4coder file in the current directory and tries t
 CUSTOM_COMMAND_SIG(project_fkey_command)
 CUSTOM_DOC("Run an 'fkey command' configured in a project.4coder file.  Determines the index of the 'fkey command' by which function key or numeric key was pressed to trigger the command.")
 {
-    User_Input input = get_command_input(app);
+    User_Input input = get_current_input(app);
     b32 got_ind = false;
     i32 ind = 0;
     if (input.event.kind == InputEventKind_KeyStroke){
diff --git a/custom/4coder_types.h b/custom/4coder_types.h
index 053c0761..663ce09c 100644
--- a/custom/4coder_types.h
+++ b/custom/4coder_types.h
@@ -107,14 +107,6 @@ struct Frame_Info{
     f32 animation_dt;
 };
 
-typedef void Render_Caller_Function(Application_Links *app, Frame_Info frame_info, View_ID view);
-#define RENDER_CALLER_SIG(name) void name(Application_Links *app, Frame_Info frame_info, View_ID view)
-
-struct View_Context{
-    Render_Caller_Function *render_caller;
-    b32 hides_buffer;
-};
-
 ENUM(i32, View_Setting_ID){
     ViewSetting_Null,
     ViewSetting_ShowWhitespace,
@@ -483,63 +475,23 @@ STRUCT User_Input{
 
 typedef i32 Hook_ID;
 enum{
-    HookID_FileOutOfSync,
-    HookID_Exit,
+    HookID_RenderCaller,
     HookID_BufferViewerUpdate,
     HookID_ScrollRule,
-    HookID_NewFile,
-    HookID_OpenFile,
-    HookID_SaveFile,
-    HookID_EndFile,
-    HookID_FileEditRange,
-    HookID_FileExternallyModified,
     HookID_ViewEventHandler,
-    HookID_RenderCaller,
-    HookID_InputFilter,
-    HookID_Start,
     HookID_BufferNameResolver,
-    HookID_ModifyColorTable,
-    HookID_ClipboardChange,
-    HookID_GetViewBufferRegion,
+    HookID_BeginBuffer,
+    HookID_EndBuffer,
+    HookID_NewFile,
+    HookID_SaveFile,
+    HookID_BufferEditRange,
+    HookID_BufferRegion,
 };
 
-TYPEDEF_FUNC i32 Hook_Function(struct Application_Links *app);
-#define HOOK_SIG(name) i32 name(struct Application_Links *app)
+typedef i32 Hook_Function(Application_Links *app);
+#define HOOK_SIG(name) i32 name(Application_Links *app)
 
-TYPEDEF_FUNC i32 Buffer_Hook_Function(struct Application_Links *app, Buffer_ID buffer_id);
-#define BUFFER_HOOK_SIG(name) i32 name(struct Application_Links *app, Buffer_ID buffer_id)
-
-TYPEDEF_FUNC i32 File_Edit_Range_Function(struct Application_Links *app, Buffer_ID buffer_id, 
-                                          Interval_i64 range, String_Const_u8 text);
-#define FILE_EDIT_RANGE_SIG(name) i32 name(struct Application_Links *app, Buffer_ID buffer_id, Interval_i64 range, String_Const_u8 text)
-
-TYPEDEF_FUNC i32 File_Externally_Modified_Function(struct Application_Links *app, Buffer_ID buffer_id);
-#define FILE_EXTERNALLY_MODIFIED_SIG(name) i32 name(struct Application_Links *app, Buffer_ID buffer_id)
-
-TYPEDEF_FUNC void Input_Filter_Function(Mouse_State *mouse);
-#define INPUT_FILTER_SIG(name) void name(Mouse_State *mouse)
-
-TYPEDEF_FUNC Vec2_f32 Delta_Rule_Function(Vec2_f32 pending_delta, View_ID view_id, b32 is_new_target, f32 dt);
-#define DELTA_RULE_SIG(name) Vec2_f32 name(Vec2_f32 pending_delta, View_ID view_id, b32 is_new_target, f32 dt)
-
-STRUCT Color_Table{
-    argb_color *vals;
-    u32 count;
-};
-
-TYPEDEF_FUNC Color_Table Modify_Color_Table_Function(struct Application_Links *app, Frame_Info frame);
-#define MODIFY_COLOR_TABLE_SIG(name) Color_Table name(struct Application_Links *app, Frame_Info frame)
-
-ENUM(u32, Clipboard_Change_Flag){
-    ClipboardFlag_FromOS = 0x1,
-};
-TYPEDEF_FUNC void Clipboard_Change_Hook_Function(struct Application_Links *app, String_Const_u8 contents, Clipboard_Change_Flag  flags);
-#define CLIPBOARD_CHANGE_HOOK_SIG(name) void name(struct Application_Links *app, String_Const_u8 contents, Clipboard_Change_Flag flags)
-
-TYPEDEF_FUNC Rect_f32 Get_View_Buffer_Region_Function(struct Application_Links *app, View_ID view_id, Rect_f32 sub_region);
-#define GET_VIEW_BUFFER_REGION_SIG(name) Rect_f32 name(struct Application_Links *app, View_ID view_id, Rect_f32 sub_region)
-
-STRUCT Buffer_Name_Conflict_Entry{
+struct Buffer_Name_Conflict_Entry{
     Buffer_ID buffer_id;
     String_Const_u8 file_name;
     String_Const_u8 base_name;
@@ -548,16 +500,40 @@ STRUCT Buffer_Name_Conflict_Entry{
     umem unique_name_capacity;
 };
 
-TYPEDEF_FUNC void Buffer_Name_Resolver_Function(struct Application_Links *app, Buffer_Name_Conflict_Entry *conflicts, i32 conflict_count);
+typedef void Buffer_Name_Resolver_Function(Application_Links *app, Buffer_Name_Conflict_Entry *conflicts, i32 conflict_count);
 #define BUFFER_NAME_RESOLVER_SIG(n) \
-void n(struct Application_Links *app, Buffer_Name_Conflict_Entry *conflicts, i32 conflict_count)
+void n(Application_Links *app, Buffer_Name_Conflict_Entry *conflicts, i32 conflict_count)
 
-TYPEDEF_FUNC i32 Start_Hook_Function(struct Application_Links *app, char **files, i32 file_count, char **flags, i32 flag_count);
-#define START_HOOK_SIG(name) \
-i32 name(struct Application_Links *app, char **files, i32 file_count, char **flags, i32 flag_count)
+typedef i32 Buffer_Hook_Function(Application_Links *app, Buffer_ID buffer_id);
+#define BUFFER_HOOK_SIG(name) i32 name(Application_Links *app, Buffer_ID buffer_id)
 
-TYPEDEF_FUNC i32 Get_Binding_Data_Function(void *data, i32 size);
-#define GET_BINDING_DATA(name) i32 name(void *data, i32 size)
+typedef i32 Buffer_Edit_Range_Function(Application_Links *app, Buffer_ID buffer_id,
+                                       Range_i64 range, String_Const_u8 text);
+#define BUFFER_EDIT_RANGE_SIG(name) i32 name(Application_Links *app, Buffer_ID buffer_id,\
+Interval_i64 range, String_Const_u8 text)
+
+typedef Vec2_f32 Delta_Rule_Function(Vec2_f32 pending_delta, View_ID view_id, b32 is_new_target, f32 dt);
+#define DELTA_RULE_SIG(name) \
+Vec2_f32 name(Vec2_f32 pending_delta, View_ID view_id, b32 is_new_target, f32 dt)
+
+typedef Rect_f32 Buffer_Region_Function(Application_Links *app, View_ID view_id, Rect_f32 region);
+
+struct Color_Table{
+    argb_color *vals;
+    u32 count;
+};
+
+typedef void New_Clipboard_Contents_Function(Application_Links *app, String_Const_u8 contents);
+#define NEW_CLIPBOARD_CONTENTS_SIG(name) \
+void name(Application_Links *app, String_Const_u8 contents)
+
+typedef void Render_Caller_Function(Application_Links *app, Frame_Info frame_info, View_ID view);
+#define RENDER_CALLER_SIG(name) void name(Application_Links *app, Frame_Info frame_info, View_ID view)
+
+struct View_Context{
+    Render_Caller_Function *render_caller;
+    b32 hides_buffer;
+};
 
 typedef i64 Command_Map_ID;
 
diff --git a/custom/generated/4coder_event_codes.h b/custom/generated/4coder_event_codes.h
index 3619a45e..8358d6a2 100644
--- a/custom/generated/4coder_event_codes.h
+++ b/custom/generated/4coder_event_codes.h
@@ -1,204 +1,212 @@
 enum{
-    KeyCode_A = 1,
-    KeyCode_B = 2,
-    KeyCode_C = 3,
-    KeyCode_D = 4,
-    KeyCode_E = 5,
-    KeyCode_F = 6,
-    KeyCode_G = 7,
-    KeyCode_H = 8,
-    KeyCode_I = 9,
-    KeyCode_J = 10,
-    KeyCode_K = 11,
-    KeyCode_L = 12,
-    KeyCode_M = 13,
-    KeyCode_N = 14,
-    KeyCode_O = 15,
-    KeyCode_P = 16,
-    KeyCode_Q = 17,
-    KeyCode_R = 18,
-    KeyCode_S = 19,
-    KeyCode_T = 20,
-    KeyCode_U = 21,
-    KeyCode_V = 22,
-    KeyCode_W = 23,
-    KeyCode_X = 24,
-    KeyCode_Y = 25,
-    KeyCode_Z = 26,
-    KeyCode_0 = 27,
-    KeyCode_1 = 28,
-    KeyCode_2 = 29,
-    KeyCode_3 = 30,
-    KeyCode_4 = 31,
-    KeyCode_5 = 32,
-    KeyCode_6 = 33,
-    KeyCode_7 = 34,
-    KeyCode_8 = 35,
-    KeyCode_9 = 36,
-    KeyCode_Space = 37,
-    KeyCode_Tick = 38,
-    KeyCode_Minus = 39,
-    KeyCode_Equal = 40,
-    KeyCode_LeftBracket = 41,
-    KeyCode_RightBracket = 42,
-    KeyCode_Semicolon = 43,
-    KeyCode_Quote = 44,
-    KeyCode_Comma = 45,
-    KeyCode_Period = 46,
-    KeyCode_ForwardSlash = 47,
-    KeyCode_BackwardSlash = 48,
-    KeyCode_Tab = 49,
-    KeyCode_Escape = 50,
-    KeyCode_Pause = 51,
-    KeyCode_Up = 52,
-    KeyCode_Down = 53,
-    KeyCode_Left = 54,
-    KeyCode_Right = 55,
-    KeyCode_Backspace = 56,
-    KeyCode_Return = 57,
-    KeyCode_Delete = 58,
-    KeyCode_Insert = 59,
-    KeyCode_Home = 60,
-    KeyCode_End = 61,
-    KeyCode_PageUp = 62,
-    KeyCode_PageDown = 63,
-    KeyCode_CapsLock = 64,
-    KeyCode_NumLock = 65,
-    KeyCode_ScrollLock = 66,
-    KeyCode_Menu = 67,
-    KeyCode_Shift = 68,
-    KeyCode_Control = 69,
-    KeyCode_Alt = 70,
-    KeyCode_Command = 71,
-    KeyCode_F1 = 72,
-    KeyCode_F2 = 73,
-    KeyCode_F3 = 74,
-    KeyCode_F4 = 75,
-    KeyCode_F5 = 76,
-    KeyCode_F6 = 77,
-    KeyCode_F7 = 78,
-    KeyCode_F8 = 79,
-    KeyCode_F9 = 80,
-    KeyCode_F10 = 81,
-    KeyCode_F11 = 82,
-    KeyCode_F12 = 83,
-    KeyCode_F13 = 84,
-    KeyCode_F14 = 85,
-    KeyCode_F15 = 86,
-    KeyCode_F16 = 87,
-    KeyCode_COUNT = 88,
+KeyCode_A = 1,
+KeyCode_B = 2,
+KeyCode_C = 3,
+KeyCode_D = 4,
+KeyCode_E = 5,
+KeyCode_F = 6,
+KeyCode_G = 7,
+KeyCode_H = 8,
+KeyCode_I = 9,
+KeyCode_J = 10,
+KeyCode_K = 11,
+KeyCode_L = 12,
+KeyCode_M = 13,
+KeyCode_N = 14,
+KeyCode_O = 15,
+KeyCode_P = 16,
+KeyCode_Q = 17,
+KeyCode_R = 18,
+KeyCode_S = 19,
+KeyCode_T = 20,
+KeyCode_U = 21,
+KeyCode_V = 22,
+KeyCode_W = 23,
+KeyCode_X = 24,
+KeyCode_Y = 25,
+KeyCode_Z = 26,
+KeyCode_0 = 27,
+KeyCode_1 = 28,
+KeyCode_2 = 29,
+KeyCode_3 = 30,
+KeyCode_4 = 31,
+KeyCode_5 = 32,
+KeyCode_6 = 33,
+KeyCode_7 = 34,
+KeyCode_8 = 35,
+KeyCode_9 = 36,
+KeyCode_Space = 37,
+KeyCode_Tick = 38,
+KeyCode_Minus = 39,
+KeyCode_Equal = 40,
+KeyCode_LeftBracket = 41,
+KeyCode_RightBracket = 42,
+KeyCode_Semicolon = 43,
+KeyCode_Quote = 44,
+KeyCode_Comma = 45,
+KeyCode_Period = 46,
+KeyCode_ForwardSlash = 47,
+KeyCode_BackwardSlash = 48,
+KeyCode_Tab = 49,
+KeyCode_Escape = 50,
+KeyCode_Pause = 51,
+KeyCode_Up = 52,
+KeyCode_Down = 53,
+KeyCode_Left = 54,
+KeyCode_Right = 55,
+KeyCode_Backspace = 56,
+KeyCode_Return = 57,
+KeyCode_Delete = 58,
+KeyCode_Insert = 59,
+KeyCode_Home = 60,
+KeyCode_End = 61,
+KeyCode_PageUp = 62,
+KeyCode_PageDown = 63,
+KeyCode_CapsLock = 64,
+KeyCode_NumLock = 65,
+KeyCode_ScrollLock = 66,
+KeyCode_Menu = 67,
+KeyCode_Shift = 68,
+KeyCode_Control = 69,
+KeyCode_Alt = 70,
+KeyCode_Command = 71,
+KeyCode_F1 = 72,
+KeyCode_F2 = 73,
+KeyCode_F3 = 74,
+KeyCode_F4 = 75,
+KeyCode_F5 = 76,
+KeyCode_F6 = 77,
+KeyCode_F7 = 78,
+KeyCode_F8 = 79,
+KeyCode_F9 = 80,
+KeyCode_F10 = 81,
+KeyCode_F11 = 82,
+KeyCode_F12 = 83,
+KeyCode_F13 = 84,
+KeyCode_F14 = 85,
+KeyCode_F15 = 86,
+KeyCode_F16 = 87,
+KeyCode_COUNT = 88,
 };
 global char* key_code_name[KeyCode_COUNT] = {
-    "None",
-    "A",
-    "B",
-    "C",
-    "D",
-    "E",
-    "F",
-    "G",
-    "H",
-    "I",
-    "J",
-    "K",
-    "L",
-    "M",
-    "N",
-    "O",
-    "P",
-    "Q",
-    "R",
-    "S",
-    "T",
-    "U",
-    "V",
-    "W",
-    "X",
-    "Y",
-    "Z",
-    "0",
-    "1",
-    "2",
-    "3",
-    "4",
-    "5",
-    "6",
-    "7",
-    "8",
-    "9",
-    "Space",
-    "Tick",
-    "Minus",
-    "Equal",
-    "LeftBracket",
-    "RightBracket",
-    "Semicolon",
-    "Quote",
-    "Comma",
-    "Period",
-    "ForwardSlash",
-    "BackwardSlash",
-    "Tab",
-    "Escape",
-    "Pause",
-    "Up",
-    "Down",
-    "Left",
-    "Right",
-    "Backspace",
-    "Return",
-    "Delete",
-    "Insert",
-    "Home",
-    "End",
-    "PageUp",
-    "PageDown",
-    "CapsLock",
-    "NumLock",
-    "ScrollLock",
-    "Menu",
-    "Shift",
-    "Control",
-    "Alt",
-    "Command",
-    "F1",
-    "F2",
-    "F3",
-    "F4",
-    "F5",
-    "F6",
-    "F7",
-    "F8",
-    "F9",
-    "F10",
-    "F11",
-    "F12",
-    "F13",
-    "F14",
-    "F15",
-    "F16",
+"None",
+"A",
+"B",
+"C",
+"D",
+"E",
+"F",
+"G",
+"H",
+"I",
+"J",
+"K",
+"L",
+"M",
+"N",
+"O",
+"P",
+"Q",
+"R",
+"S",
+"T",
+"U",
+"V",
+"W",
+"X",
+"Y",
+"Z",
+"0",
+"1",
+"2",
+"3",
+"4",
+"5",
+"6",
+"7",
+"8",
+"9",
+"Space",
+"Tick",
+"Minus",
+"Equal",
+"LeftBracket",
+"RightBracket",
+"Semicolon",
+"Quote",
+"Comma",
+"Period",
+"ForwardSlash",
+"BackwardSlash",
+"Tab",
+"Escape",
+"Pause",
+"Up",
+"Down",
+"Left",
+"Right",
+"Backspace",
+"Return",
+"Delete",
+"Insert",
+"Home",
+"End",
+"PageUp",
+"PageDown",
+"CapsLock",
+"NumLock",
+"ScrollLock",
+"Menu",
+"Shift",
+"Control",
+"Alt",
+"Command",
+"F1",
+"F2",
+"F3",
+"F4",
+"F5",
+"F6",
+"F7",
+"F8",
+"F9",
+"F10",
+"F11",
+"F12",
+"F13",
+"F14",
+"F15",
+"F16",
 };
 enum{
-    MouseCode_Left = 1,
-    MouseCode_Middle = 2,
-    MouseCode_Right = 3,
-    MouseCode_COUNT = 4,
+MouseCode_Left = 1,
+MouseCode_Middle = 2,
+MouseCode_Right = 3,
+MouseCode_COUNT = 4,
 };
 global char* mouse_code_name[MouseCode_COUNT] = {
-    "None",
-    "Left",
-    "Middle",
-    "Right",
+"None",
+"Left",
+"Middle",
+"Right",
 };
 enum{
-    CoreCode_Animate = 1,
-    CoreCode_ClickActivateView = 2,
-    CoreCode_ClickDeactivateView = 3,
-    CoreCode_COUNT = 4,
+CoreCode_Startup = 1,
+CoreCode_Animate = 2,
+CoreCode_ClickActivateView = 3,
+CoreCode_ClickDeactivateView = 4,
+CoreCode_TryExit = 5,
+CoreCode_FileExternallyModified = 6,
+CoreCode_NewClipboardContents = 7,
+CoreCode_COUNT = 8,
 };
 global char* core_code_name[CoreCode_COUNT] = {
-    "None",
-    "Animate",
-    "ClickActivateView",
-    "ClickDeactivateView",
+"None",
+"Startup",
+"Animate",
+"ClickActivateView",
+"ClickDeactivateView",
+"TryExit",
+"FileExternallyModified",
+"NewClipboardContents",
 };
diff --git a/custom/generated/command_metadata.h b/custom/generated/command_metadata.h
index f535b684..bb235c3b 100644
--- a/custom/generated/command_metadata.h
+++ b/custom/generated/command_metadata.h
@@ -2,7 +2,7 @@
 #define command_id(c) (fcoder_metacmd_ID_##c)
 #define command_metadata(c) (&fcoder_metacmd_table[command_id(c)])
 #define command_metadata_by_id(id) (&fcoder_metacmd_table[id])
-#define command_one_past_last_id 202
+#define command_one_past_last_id 205
 #if defined(CUSTOM_COMMAND_SIG)
 #define PROC_LINKS(x,y) x
 #else
@@ -126,6 +126,7 @@ CUSTOM_COMMAND_SIG(redo);
 CUSTOM_COMMAND_SIG(undo_all_buffers);
 CUSTOM_COMMAND_SIG(redo_all_buffers);
 CUSTOM_COMMAND_SIG(open_in_other);
+CUSTOM_COMMAND_SIG(default_file_externally_modified);
 CUSTOM_COMMAND_SIG(interactive_switch_buffer);
 CUSTOM_COMMAND_SIG(interactive_kill_buffer);
 CUSTOM_COMMAND_SIG(interactive_open_or_new);
@@ -211,6 +212,8 @@ CUSTOM_COMMAND_SIG(miblo_increment_time_stamp);
 CUSTOM_COMMAND_SIG(miblo_decrement_time_stamp);
 CUSTOM_COMMAND_SIG(miblo_increment_time_stamp_minute);
 CUSTOM_COMMAND_SIG(miblo_decrement_time_stamp_minute);
+CUSTOM_COMMAND_SIG(default_startup);
+CUSTOM_COMMAND_SIG(default_try_exit);
 #endif
 struct Command_Metadata{
 PROC_LINKS(Custom_Command_Function, void) *proc;
@@ -222,14 +225,14 @@ char *source_name;
 i32 source_name_len;
 i32 line_number;
 };
-static Command_Metadata fcoder_metacmd_table[202] = {
-{ PROC_LINKS(default_view_input_handler, 0), "default_view_input_handler", 26,  "Input consumption loop for base view behavior", 45, "w:\\4ed\\code\\custom\\4coder_default_hooks.cpp", 43, 17 },
-{ PROC_LINKS(seek_beginning_of_textual_line, 0), "seek_beginning_of_textual_line", 30,  "Seeks the cursor to the beginning of the line across all text.", 62, "w:\\4ed\\code\\custom\\4coder_helper.cpp", 36, 1976 },
-{ PROC_LINKS(seek_end_of_textual_line, 0), "seek_end_of_textual_line", 24,  "Seeks the cursor to the end of the line across all text.", 56, "w:\\4ed\\code\\custom\\4coder_helper.cpp", 36, 1982 },
-{ PROC_LINKS(seek_beginning_of_line, 0), "seek_beginning_of_line", 22,  "Seeks the cursor to the beginning of the visual line.", 53, "w:\\4ed\\code\\custom\\4coder_helper.cpp", 36, 1988 },
-{ PROC_LINKS(seek_end_of_line, 0), "seek_end_of_line", 16,  "Seeks the cursor to the end of the visual line.", 47, "w:\\4ed\\code\\custom\\4coder_helper.cpp", 36, 1994 },
-{ PROC_LINKS(goto_beginning_of_file, 0), "goto_beginning_of_file", 22,  "Sets the cursor to the beginning of the file.", 45, "w:\\4ed\\code\\custom\\4coder_helper.cpp", 36, 2000 },
-{ PROC_LINKS(goto_end_of_file, 0), "goto_end_of_file", 16,  "Sets the cursor to the end of the file.", 39, "w:\\4ed\\code\\custom\\4coder_helper.cpp", 36, 2008 },
+static Command_Metadata fcoder_metacmd_table[205] = {
+{ PROC_LINKS(default_view_input_handler, 0), "default_view_input_handler", 26,  "Input consumption loop for default view behavior", 48, "w:\\4ed\\code\\custom\\4coder_default_hooks.cpp", 43, 56 },
+{ PROC_LINKS(seek_beginning_of_textual_line, 0), "seek_beginning_of_textual_line", 30,  "Seeks the cursor to the beginning of the line across all text.", 62, "w:\\4ed\\code\\custom\\4coder_helper.cpp", 36, 1979 },
+{ PROC_LINKS(seek_end_of_textual_line, 0), "seek_end_of_textual_line", 24,  "Seeks the cursor to the end of the line across all text.", 56, "w:\\4ed\\code\\custom\\4coder_helper.cpp", 36, 1985 },
+{ PROC_LINKS(seek_beginning_of_line, 0), "seek_beginning_of_line", 22,  "Seeks the cursor to the beginning of the visual line.", 53, "w:\\4ed\\code\\custom\\4coder_helper.cpp", 36, 1991 },
+{ PROC_LINKS(seek_end_of_line, 0), "seek_end_of_line", 16,  "Seeks the cursor to the end of the visual line.", 47, "w:\\4ed\\code\\custom\\4coder_helper.cpp", 36, 1997 },
+{ PROC_LINKS(goto_beginning_of_file, 0), "goto_beginning_of_file", 22,  "Sets the cursor to the beginning of the file.", 45, "w:\\4ed\\code\\custom\\4coder_helper.cpp", 36, 2003 },
+{ PROC_LINKS(goto_end_of_file, 0), "goto_end_of_file", 16,  "Sets the cursor to the end of the file.", 39, "w:\\4ed\\code\\custom\\4coder_helper.cpp", 36, 2011 },
 { PROC_LINKS(change_active_panel, 0), "change_active_panel", 19,  "Change the currently active panel, moving to the panel with the next highest view_id.", 85, "w:\\4ed\\code\\custom\\4coder_default_framework.cpp", 47, 196 },
 { PROC_LINKS(change_active_panel_backwards, 0), "change_active_panel_backwards", 29,  "Change the currently active panel, moving to the panel with the next lowest view_id.", 84, "w:\\4ed\\code\\custom\\4coder_default_framework.cpp", 47, 206 },
 { PROC_LINKS(open_panel_vsplit, 0), "open_panel_vsplit", 17,  "Create a new panel by vertically splitting the active panel.", 60, "w:\\4ed\\code\\custom\\4coder_default_framework.cpp", 47, 216 },
@@ -309,43 +312,44 @@ static Command_Metadata fcoder_metacmd_table[202] = {
 { PROC_LINKS(eol_nixify, 0), "eol_nixify", 10,  "Puts the buffer in NIX line ending mode.", 40, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 749 },
 { PROC_LINKS(exit_4coder, 0), "exit_4coder", 11,  "Attempts to close 4coder.", 25, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 757 },
 { PROC_LINKS(goto_line, 0), "goto_line", 9,  "Queries the user for a number, and jumps the cursor to the corresponding line.", 78, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 765 },
-{ PROC_LINKS(search, 0), "search", 6,  "Begins an incremental search down through the current buffer for a user specified string.", 89, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 994 },
-{ PROC_LINKS(reverse_search, 0), "reverse_search", 14,  "Begins an incremental search up through the current buffer for a user specified string.", 87, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1000 },
-{ PROC_LINKS(search_identifier, 0), "search_identifier", 17,  "Begins an incremental search down through the current buffer for the word or token under the cursor.", 100, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1006 },
-{ PROC_LINKS(reverse_search_identifier, 0), "reverse_search_identifier", 25,  "Begins an incremental search up through the current buffer for the word or token under the cursor.", 98, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1012 },
-{ PROC_LINKS(replace_in_range, 0), "replace_in_range", 16,  "Queries the user for a needle and string. Replaces all occurences of needle with string in the range between cursor and the mark in the active buffer.", 150, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1059 },
-{ PROC_LINKS(replace_in_buffer, 0), "replace_in_buffer", 17,  "Queries the user for a needle and string. Replaces all occurences of needle with string in the active buffer.", 109, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1068 },
-{ PROC_LINKS(replace_in_all_buffers, 0), "replace_in_all_buffers", 22,  "Queries the user for a needle and string. Replaces all occurences of needle with string in all editable buffers.", 112, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1077 },
-{ PROC_LINKS(query_replace, 0), "query_replace", 13,  "Queries the user for two strings, and incrementally replaces every occurence of the first string with the second string.", 120, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1167 },
-{ PROC_LINKS(query_replace_identifier, 0), "query_replace_identifier", 24,  "Queries the user for a string, and incrementally replace every occurence of the word or token found at the cursor with the specified string.", 140, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1188 },
-{ PROC_LINKS(query_replace_selection, 0), "query_replace_selection", 23,  "Queries the user for a string, and incrementally replace every occurence of the string found in the selected range with the specified string.", 141, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1204 },
-{ PROC_LINKS(save_all_dirty_buffers, 0), "save_all_dirty_buffers", 22,  "Saves all buffers marked dirty (showing the '*' indicator).", 59, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1239 },
-{ PROC_LINKS(delete_file_query, 0), "delete_file_query", 17,  "Deletes the file of the current buffer if 4coder has the appropriate access rights. Will ask the user for confirmation first.", 125, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1264 },
-{ PROC_LINKS(save_to_query, 0), "save_to_query", 13,  "Queries the user for a file name and saves the contents of the current buffer, altering the buffer's name too.", 110, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1308 },
-{ PROC_LINKS(rename_file_query, 0), "rename_file_query", 17,  "Queries the user for a new name and renames the file of the current buffer, altering the buffer's name too.", 107, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1341 },
-{ PROC_LINKS(make_directory_query, 0), "make_directory_query", 20,  "Queries the user for a name and creates a new directory with the given name.", 76, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1379 },
-{ PROC_LINKS(move_line_up, 0), "move_line_up", 12,  "Swaps the line under the cursor with the line above it, and moves the cursor up with it.", 88, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1413 },
-{ PROC_LINKS(move_line_down, 0), "move_line_down", 14,  "Swaps the line under the cursor with the line below it, and moves the cursor down with it.", 90, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1419 },
-{ PROC_LINKS(duplicate_line, 0), "duplicate_line", 14,  "Create a copy of the line on which the cursor sits.", 51, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1425 },
-{ PROC_LINKS(delete_line, 0), "delete_line", 11,  "Delete the line the on which the cursor sits.", 45, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1439 },
-{ PROC_LINKS(open_file_in_quotes, 0), "open_file_in_quotes", 19,  "Reads a filename from surrounding '\"' characters and attempts to open the corresponding file.", 94, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1504 },
-{ PROC_LINKS(open_matching_file_cpp, 0), "open_matching_file_cpp", 22,  "If the current file is a *.cpp or *.h, attempts to open the corresponding *.h or *.cpp file in the other view.", 110, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1536 },
-{ PROC_LINKS(view_buffer_other_panel, 0), "view_buffer_other_panel", 23,  "Set the other non-active panel to view the buffer that the active panel views, and switch to that panel.", 104, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1549 },
-{ PROC_LINKS(swap_buffers_between_panels, 0), "swap_buffers_between_panels", 27,  "Set the other non-active panel to view the buffer that the active panel views, and switch to that panel.", 104, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1561 },
-{ PROC_LINKS(kill_buffer, 0), "kill_buffer", 11,  "Kills the current buffer.", 25, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1595 },
-{ PROC_LINKS(save, 0), "save", 4,  "Saves the current buffer.", 25, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1603 },
-{ PROC_LINKS(reopen, 0), "reopen", 6,  "Reopen the current buffer from the hard drive.", 46, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1613 },
-{ PROC_LINKS(undo, 0), "undo", 4,  "Advances backwards through the undo history of the current buffer.", 66, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1842 },
-{ PROC_LINKS(redo, 0), "redo", 4,  "Advances forwards through the undo history of the current buffer.", 65, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1855 },
-{ PROC_LINKS(undo_all_buffers, 0), "undo_all_buffers", 16,  "Advances backward through the undo history in the buffer containing the most recent regular edit.", 97, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1869 },
-{ PROC_LINKS(redo_all_buffers, 0), "redo_all_buffers", 16,  "Advances forward through the undo history in the buffer containing the most recent regular edit.", 96, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1940 },
-{ PROC_LINKS(open_in_other, 0), "open_in_other", 13,  "Interactively opens a file in the other panel.", 46, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 2041 },
-{ PROC_LINKS(interactive_switch_buffer, 0), "interactive_switch_buffer", 25,  "Interactively switch to an open buffer.", 39, "w:\\4ed\\code\\custom\\4coder_lists.cpp", 35, 537 },
-{ PROC_LINKS(interactive_kill_buffer, 0), "interactive_kill_buffer", 23,  "Interactively kill an open buffer.", 34, "w:\\4ed\\code\\custom\\4coder_lists.cpp", 35, 556 },
-{ PROC_LINKS(interactive_open_or_new, 0), "interactive_open_or_new", 23,  "Interactively open a file out of the file system.", 49, "w:\\4ed\\code\\custom\\4coder_lists.cpp", 35, 627 },
-{ PROC_LINKS(interactive_new, 0), "interactive_new", 15,  "Interactively creates a new file.", 33, "w:\\4ed\\code\\custom\\4coder_lists.cpp", 35, 666 },
-{ PROC_LINKS(interactive_open, 0), "interactive_open", 16,  "Interactively opens a file.", 27, "w:\\4ed\\code\\custom\\4coder_lists.cpp", 35, 699 },
-{ PROC_LINKS(command_lister, 0), "command_lister", 14,  "Opens an interactive list of all registered commands.", 53, "w:\\4ed\\code\\custom\\4coder_lists.cpp", 35, 759 },
+{ PROC_LINKS(search, 0), "search", 6,  "Begins an incremental search down through the current buffer for a user specified string.", 89, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 993 },
+{ PROC_LINKS(reverse_search, 0), "reverse_search", 14,  "Begins an incremental search up through the current buffer for a user specified string.", 87, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 999 },
+{ PROC_LINKS(search_identifier, 0), "search_identifier", 17,  "Begins an incremental search down through the current buffer for the word or token under the cursor.", 100, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1005 },
+{ PROC_LINKS(reverse_search_identifier, 0), "reverse_search_identifier", 25,  "Begins an incremental search up through the current buffer for the word or token under the cursor.", 98, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1011 },
+{ PROC_LINKS(replace_in_range, 0), "replace_in_range", 16,  "Queries the user for a needle and string. Replaces all occurences of needle with string in the range between cursor and the mark in the active buffer.", 150, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1058 },
+{ PROC_LINKS(replace_in_buffer, 0), "replace_in_buffer", 17,  "Queries the user for a needle and string. Replaces all occurences of needle with string in the active buffer.", 109, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1067 },
+{ PROC_LINKS(replace_in_all_buffers, 0), "replace_in_all_buffers", 22,  "Queries the user for a needle and string. Replaces all occurences of needle with string in all editable buffers.", 112, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1076 },
+{ PROC_LINKS(query_replace, 0), "query_replace", 13,  "Queries the user for two strings, and incrementally replaces every occurence of the first string with the second string.", 120, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1166 },
+{ PROC_LINKS(query_replace_identifier, 0), "query_replace_identifier", 24,  "Queries the user for a string, and incrementally replace every occurence of the word or token found at the cursor with the specified string.", 140, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1187 },
+{ PROC_LINKS(query_replace_selection, 0), "query_replace_selection", 23,  "Queries the user for a string, and incrementally replace every occurence of the string found in the selected range with the specified string.", 141, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1203 },
+{ PROC_LINKS(save_all_dirty_buffers, 0), "save_all_dirty_buffers", 22,  "Saves all buffers marked dirty (showing the '*' indicator).", 59, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1238 },
+{ PROC_LINKS(delete_file_query, 0), "delete_file_query", 17,  "Deletes the file of the current buffer if 4coder has the appropriate access rights. Will ask the user for confirmation first.", 125, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1263 },
+{ PROC_LINKS(save_to_query, 0), "save_to_query", 13,  "Queries the user for a file name and saves the contents of the current buffer, altering the buffer's name too.", 110, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1307 },
+{ PROC_LINKS(rename_file_query, 0), "rename_file_query", 17,  "Queries the user for a new name and renames the file of the current buffer, altering the buffer's name too.", 107, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1340 },
+{ PROC_LINKS(make_directory_query, 0), "make_directory_query", 20,  "Queries the user for a name and creates a new directory with the given name.", 76, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1378 },
+{ PROC_LINKS(move_line_up, 0), "move_line_up", 12,  "Swaps the line under the cursor with the line above it, and moves the cursor up with it.", 88, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1412 },
+{ PROC_LINKS(move_line_down, 0), "move_line_down", 14,  "Swaps the line under the cursor with the line below it, and moves the cursor down with it.", 90, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1418 },
+{ PROC_LINKS(duplicate_line, 0), "duplicate_line", 14,  "Create a copy of the line on which the cursor sits.", 51, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1424 },
+{ PROC_LINKS(delete_line, 0), "delete_line", 11,  "Delete the line the on which the cursor sits.", 45, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1438 },
+{ PROC_LINKS(open_file_in_quotes, 0), "open_file_in_quotes", 19,  "Reads a filename from surrounding '\"' characters and attempts to open the corresponding file.", 94, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1503 },
+{ PROC_LINKS(open_matching_file_cpp, 0), "open_matching_file_cpp", 22,  "If the current file is a *.cpp or *.h, attempts to open the corresponding *.h or *.cpp file in the other view.", 110, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1535 },
+{ PROC_LINKS(view_buffer_other_panel, 0), "view_buffer_other_panel", 23,  "Set the other non-active panel to view the buffer that the active panel views, and switch to that panel.", 104, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1548 },
+{ PROC_LINKS(swap_buffers_between_panels, 0), "swap_buffers_between_panels", 27,  "Set the other non-active panel to view the buffer that the active panel views, and switch to that panel.", 104, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1560 },
+{ PROC_LINKS(kill_buffer, 0), "kill_buffer", 11,  "Kills the current buffer.", 25, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1594 },
+{ PROC_LINKS(save, 0), "save", 4,  "Saves the current buffer.", 25, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1602 },
+{ PROC_LINKS(reopen, 0), "reopen", 6,  "Reopen the current buffer from the hard drive.", 46, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1612 },
+{ PROC_LINKS(undo, 0), "undo", 4,  "Advances backwards through the undo history of the current buffer.", 66, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1841 },
+{ PROC_LINKS(redo, 0), "redo", 4,  "Advances forwards through the undo history of the current buffer.", 65, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1854 },
+{ PROC_LINKS(undo_all_buffers, 0), "undo_all_buffers", 16,  "Advances backward through the undo history in the buffer containing the most recent regular edit.", 97, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1868 },
+{ PROC_LINKS(redo_all_buffers, 0), "redo_all_buffers", 16,  "Advances forward through the undo history in the buffer containing the most recent regular edit.", 96, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 1939 },
+{ PROC_LINKS(open_in_other, 0), "open_in_other", 13,  "Interactively opens a file in the other panel.", 46, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 2040 },
+{ PROC_LINKS(default_file_externally_modified, 0), "default_file_externally_modified", 32,  "Notes the external modification of attached files by printing a message.", 72, "w:\\4ed\\code\\custom\\4coder_base_commands.cpp", 43, 2047 },
+{ PROC_LINKS(interactive_switch_buffer, 0), "interactive_switch_buffer", 25,  "Interactively switch to an open buffer.", 39, "w:\\4ed\\code\\custom\\4coder_lists.cpp", 35, 552 },
+{ PROC_LINKS(interactive_kill_buffer, 0), "interactive_kill_buffer", 23,  "Interactively kill an open buffer.", 34, "w:\\4ed\\code\\custom\\4coder_lists.cpp", 35, 571 },
+{ PROC_LINKS(interactive_open_or_new, 0), "interactive_open_or_new", 23,  "Interactively open a file out of the file system.", 49, "w:\\4ed\\code\\custom\\4coder_lists.cpp", 35, 642 },
+{ PROC_LINKS(interactive_new, 0), "interactive_new", 15,  "Interactively creates a new file.", 33, "w:\\4ed\\code\\custom\\4coder_lists.cpp", 35, 681 },
+{ PROC_LINKS(interactive_open, 0), "interactive_open", 16,  "Interactively opens a file.", 27, "w:\\4ed\\code\\custom\\4coder_lists.cpp", 35, 714 },
+{ PROC_LINKS(command_lister, 0), "command_lister", 14,  "Opens an interactive list of all registered commands.", 53, "w:\\4ed\\code\\custom\\4coder_lists.cpp", 35, 774 },
 { PROC_LINKS(auto_indent_whole_file, 0), "auto_indent_whole_file", 22,  "Audo-indents the entire current buffer.", 39, "w:\\4ed\\code\\custom\\4coder_auto_indent.cpp", 41, 356 },
 { PROC_LINKS(auto_indent_line_at_cursor, 0), "auto_indent_line_at_cursor", 26,  "Auto-indents the line on which the cursor sits.", 47, "w:\\4ed\\code\\custom\\4coder_auto_indent.cpp", 41, 365 },
 { PROC_LINKS(auto_indent_range, 0), "auto_indent_range", 17,  "Auto-indents the range between the cursor and the mark.", 55, "w:\\4ed\\code\\custom\\4coder_auto_indent.cpp", 41, 375 },
@@ -425,6 +429,8 @@ static Command_Metadata fcoder_metacmd_table[202] = {
 { PROC_LINKS(miblo_decrement_time_stamp, 0), "miblo_decrement_time_stamp", 26,  "Decrement a time stamp under the cursor by one second. (format [m]m:ss or h:mm:ss", 81, "w:\\4ed\\code\\custom\\4coder_miblo_numbers.cpp", 43, 237 },
 { PROC_LINKS(miblo_increment_time_stamp_minute, 0), "miblo_increment_time_stamp_minute", 33,  "Increment a time stamp under the cursor by one minute. (format [m]m:ss or h:mm:ss", 81, "w:\\4ed\\code\\custom\\4coder_miblo_numbers.cpp", 43, 243 },
 { PROC_LINKS(miblo_decrement_time_stamp_minute, 0), "miblo_decrement_time_stamp_minute", 33,  "Decrement a time stamp under the cursor by one minute. (format [m]m:ss or h:mm:ss", 81, "w:\\4ed\\code\\custom\\4coder_miblo_numbers.cpp", 43, 249 },
+{ PROC_LINKS(default_startup, 0), "default_startup", 15,  "Default command for responding to a startup event", 49, "w:\\4ed\\code\\custom\\4coder_default_hooks.cpp", 43, 7 },
+{ PROC_LINKS(default_try_exit, 0), "default_try_exit", 16,  "Default command for responding to a try-exit event", 50, "w:\\4ed\\code\\custom\\4coder_default_hooks.cpp", 43, 21 },
 };
 static i32 fcoder_metacmd_ID_default_view_input_handler = 0;
 static i32 fcoder_metacmd_ID_seek_beginning_of_textual_line = 1;
@@ -543,89 +549,92 @@ static i32 fcoder_metacmd_ID_redo = 113;
 static i32 fcoder_metacmd_ID_undo_all_buffers = 114;
 static i32 fcoder_metacmd_ID_redo_all_buffers = 115;
 static i32 fcoder_metacmd_ID_open_in_other = 116;
-static i32 fcoder_metacmd_ID_interactive_switch_buffer = 117;
-static i32 fcoder_metacmd_ID_interactive_kill_buffer = 118;
-static i32 fcoder_metacmd_ID_interactive_open_or_new = 119;
-static i32 fcoder_metacmd_ID_interactive_new = 120;
-static i32 fcoder_metacmd_ID_interactive_open = 121;
-static i32 fcoder_metacmd_ID_command_lister = 122;
-static i32 fcoder_metacmd_ID_auto_indent_whole_file = 123;
-static i32 fcoder_metacmd_ID_auto_indent_line_at_cursor = 124;
-static i32 fcoder_metacmd_ID_auto_indent_range = 125;
-static i32 fcoder_metacmd_ID_write_text_and_auto_indent = 126;
-static i32 fcoder_metacmd_ID_list_all_locations = 127;
-static i32 fcoder_metacmd_ID_list_all_substring_locations = 128;
-static i32 fcoder_metacmd_ID_list_all_locations_case_insensitive = 129;
-static i32 fcoder_metacmd_ID_list_all_substring_locations_case_insensitive = 130;
-static i32 fcoder_metacmd_ID_list_all_locations_of_identifier = 131;
-static i32 fcoder_metacmd_ID_list_all_locations_of_identifier_case_insensitive = 132;
-static i32 fcoder_metacmd_ID_list_all_locations_of_selection = 133;
-static i32 fcoder_metacmd_ID_list_all_locations_of_selection_case_insensitive = 134;
-static i32 fcoder_metacmd_ID_list_all_locations_of_type_definition = 135;
-static i32 fcoder_metacmd_ID_list_all_locations_of_type_definition_of_identifier = 136;
-static i32 fcoder_metacmd_ID_word_complete = 137;
-static i32 fcoder_metacmd_ID_goto_jump_at_cursor = 138;
-static i32 fcoder_metacmd_ID_goto_jump_at_cursor_same_panel = 139;
-static i32 fcoder_metacmd_ID_goto_next_jump = 140;
-static i32 fcoder_metacmd_ID_goto_prev_jump = 141;
-static i32 fcoder_metacmd_ID_goto_next_jump_no_skips = 142;
-static i32 fcoder_metacmd_ID_goto_prev_jump_no_skips = 143;
-static i32 fcoder_metacmd_ID_goto_first_jump = 144;
-static i32 fcoder_metacmd_ID_goto_first_jump_same_panel_sticky = 145;
-static i32 fcoder_metacmd_ID_if_read_only_goto_position = 146;
-static i32 fcoder_metacmd_ID_if_read_only_goto_position_same_panel = 147;
-static i32 fcoder_metacmd_ID_view_jump_list_with_lister = 148;
-static i32 fcoder_metacmd_ID_show_the_log_graph = 149;
-static i32 fcoder_metacmd_ID_copy = 150;
-static i32 fcoder_metacmd_ID_cut = 151;
-static i32 fcoder_metacmd_ID_paste = 152;
-static i32 fcoder_metacmd_ID_paste_next = 153;
-static i32 fcoder_metacmd_ID_paste_and_indent = 154;
-static i32 fcoder_metacmd_ID_paste_next_and_indent = 155;
-static i32 fcoder_metacmd_ID_execute_previous_cli = 156;
-static i32 fcoder_metacmd_ID_execute_any_cli = 157;
-static i32 fcoder_metacmd_ID_build_search = 158;
-static i32 fcoder_metacmd_ID_build_in_build_panel = 159;
-static i32 fcoder_metacmd_ID_close_build_panel = 160;
-static i32 fcoder_metacmd_ID_change_to_build_panel = 161;
-static i32 fcoder_metacmd_ID_close_all_code = 162;
-static i32 fcoder_metacmd_ID_open_all_code = 163;
-static i32 fcoder_metacmd_ID_open_all_code_recursive = 164;
-static i32 fcoder_metacmd_ID_load_project = 165;
-static i32 fcoder_metacmd_ID_project_fkey_command = 166;
-static i32 fcoder_metacmd_ID_project_go_to_root_directory = 167;
-static i32 fcoder_metacmd_ID_setup_new_project = 168;
-static i32 fcoder_metacmd_ID_setup_build_bat = 169;
-static i32 fcoder_metacmd_ID_setup_build_sh = 170;
-static i32 fcoder_metacmd_ID_setup_build_bat_and_sh = 171;
-static i32 fcoder_metacmd_ID_project_command_lister = 172;
-static i32 fcoder_metacmd_ID_list_all_functions_current_buffer = 173;
-static i32 fcoder_metacmd_ID_list_all_functions_current_buffer_lister = 174;
-static i32 fcoder_metacmd_ID_list_all_functions_all_buffers = 175;
-static i32 fcoder_metacmd_ID_list_all_functions_all_buffers_lister = 176;
-static i32 fcoder_metacmd_ID_select_surrounding_scope = 177;
-static i32 fcoder_metacmd_ID_select_next_scope_absolute = 178;
-static i32 fcoder_metacmd_ID_select_next_scope_after_current = 179;
-static i32 fcoder_metacmd_ID_select_prev_scope_absolute = 180;
-static i32 fcoder_metacmd_ID_place_in_scope = 181;
-static i32 fcoder_metacmd_ID_delete_current_scope = 182;
-static i32 fcoder_metacmd_ID_open_long_braces = 183;
-static i32 fcoder_metacmd_ID_open_long_braces_semicolon = 184;
-static i32 fcoder_metacmd_ID_open_long_braces_break = 185;
-static i32 fcoder_metacmd_ID_if0_off = 186;
-static i32 fcoder_metacmd_ID_write_todo = 187;
-static i32 fcoder_metacmd_ID_write_hack = 188;
-static i32 fcoder_metacmd_ID_write_note = 189;
-static i32 fcoder_metacmd_ID_write_block = 190;
-static i32 fcoder_metacmd_ID_write_zero_struct = 191;
-static i32 fcoder_metacmd_ID_comment_line = 192;
-static i32 fcoder_metacmd_ID_uncomment_line = 193;
-static i32 fcoder_metacmd_ID_comment_line_toggle = 194;
-static i32 fcoder_metacmd_ID_snippet_lister = 195;
-static i32 fcoder_metacmd_ID_miblo_increment_basic = 196;
-static i32 fcoder_metacmd_ID_miblo_decrement_basic = 197;
-static i32 fcoder_metacmd_ID_miblo_increment_time_stamp = 198;
-static i32 fcoder_metacmd_ID_miblo_decrement_time_stamp = 199;
-static i32 fcoder_metacmd_ID_miblo_increment_time_stamp_minute = 200;
-static i32 fcoder_metacmd_ID_miblo_decrement_time_stamp_minute = 201;
+static i32 fcoder_metacmd_ID_default_file_externally_modified = 117;
+static i32 fcoder_metacmd_ID_interactive_switch_buffer = 118;
+static i32 fcoder_metacmd_ID_interactive_kill_buffer = 119;
+static i32 fcoder_metacmd_ID_interactive_open_or_new = 120;
+static i32 fcoder_metacmd_ID_interactive_new = 121;
+static i32 fcoder_metacmd_ID_interactive_open = 122;
+static i32 fcoder_metacmd_ID_command_lister = 123;
+static i32 fcoder_metacmd_ID_auto_indent_whole_file = 124;
+static i32 fcoder_metacmd_ID_auto_indent_line_at_cursor = 125;
+static i32 fcoder_metacmd_ID_auto_indent_range = 126;
+static i32 fcoder_metacmd_ID_write_text_and_auto_indent = 127;
+static i32 fcoder_metacmd_ID_list_all_locations = 128;
+static i32 fcoder_metacmd_ID_list_all_substring_locations = 129;
+static i32 fcoder_metacmd_ID_list_all_locations_case_insensitive = 130;
+static i32 fcoder_metacmd_ID_list_all_substring_locations_case_insensitive = 131;
+static i32 fcoder_metacmd_ID_list_all_locations_of_identifier = 132;
+static i32 fcoder_metacmd_ID_list_all_locations_of_identifier_case_insensitive = 133;
+static i32 fcoder_metacmd_ID_list_all_locations_of_selection = 134;
+static i32 fcoder_metacmd_ID_list_all_locations_of_selection_case_insensitive = 135;
+static i32 fcoder_metacmd_ID_list_all_locations_of_type_definition = 136;
+static i32 fcoder_metacmd_ID_list_all_locations_of_type_definition_of_identifier = 137;
+static i32 fcoder_metacmd_ID_word_complete = 138;
+static i32 fcoder_metacmd_ID_goto_jump_at_cursor = 139;
+static i32 fcoder_metacmd_ID_goto_jump_at_cursor_same_panel = 140;
+static i32 fcoder_metacmd_ID_goto_next_jump = 141;
+static i32 fcoder_metacmd_ID_goto_prev_jump = 142;
+static i32 fcoder_metacmd_ID_goto_next_jump_no_skips = 143;
+static i32 fcoder_metacmd_ID_goto_prev_jump_no_skips = 144;
+static i32 fcoder_metacmd_ID_goto_first_jump = 145;
+static i32 fcoder_metacmd_ID_goto_first_jump_same_panel_sticky = 146;
+static i32 fcoder_metacmd_ID_if_read_only_goto_position = 147;
+static i32 fcoder_metacmd_ID_if_read_only_goto_position_same_panel = 148;
+static i32 fcoder_metacmd_ID_view_jump_list_with_lister = 149;
+static i32 fcoder_metacmd_ID_show_the_log_graph = 150;
+static i32 fcoder_metacmd_ID_copy = 151;
+static i32 fcoder_metacmd_ID_cut = 152;
+static i32 fcoder_metacmd_ID_paste = 153;
+static i32 fcoder_metacmd_ID_paste_next = 154;
+static i32 fcoder_metacmd_ID_paste_and_indent = 155;
+static i32 fcoder_metacmd_ID_paste_next_and_indent = 156;
+static i32 fcoder_metacmd_ID_execute_previous_cli = 157;
+static i32 fcoder_metacmd_ID_execute_any_cli = 158;
+static i32 fcoder_metacmd_ID_build_search = 159;
+static i32 fcoder_metacmd_ID_build_in_build_panel = 160;
+static i32 fcoder_metacmd_ID_close_build_panel = 161;
+static i32 fcoder_metacmd_ID_change_to_build_panel = 162;
+static i32 fcoder_metacmd_ID_close_all_code = 163;
+static i32 fcoder_metacmd_ID_open_all_code = 164;
+static i32 fcoder_metacmd_ID_open_all_code_recursive = 165;
+static i32 fcoder_metacmd_ID_load_project = 166;
+static i32 fcoder_metacmd_ID_project_fkey_command = 167;
+static i32 fcoder_metacmd_ID_project_go_to_root_directory = 168;
+static i32 fcoder_metacmd_ID_setup_new_project = 169;
+static i32 fcoder_metacmd_ID_setup_build_bat = 170;
+static i32 fcoder_metacmd_ID_setup_build_sh = 171;
+static i32 fcoder_metacmd_ID_setup_build_bat_and_sh = 172;
+static i32 fcoder_metacmd_ID_project_command_lister = 173;
+static i32 fcoder_metacmd_ID_list_all_functions_current_buffer = 174;
+static i32 fcoder_metacmd_ID_list_all_functions_current_buffer_lister = 175;
+static i32 fcoder_metacmd_ID_list_all_functions_all_buffers = 176;
+static i32 fcoder_metacmd_ID_list_all_functions_all_buffers_lister = 177;
+static i32 fcoder_metacmd_ID_select_surrounding_scope = 178;
+static i32 fcoder_metacmd_ID_select_next_scope_absolute = 179;
+static i32 fcoder_metacmd_ID_select_next_scope_after_current = 180;
+static i32 fcoder_metacmd_ID_select_prev_scope_absolute = 181;
+static i32 fcoder_metacmd_ID_place_in_scope = 182;
+static i32 fcoder_metacmd_ID_delete_current_scope = 183;
+static i32 fcoder_metacmd_ID_open_long_braces = 184;
+static i32 fcoder_metacmd_ID_open_long_braces_semicolon = 185;
+static i32 fcoder_metacmd_ID_open_long_braces_break = 186;
+static i32 fcoder_metacmd_ID_if0_off = 187;
+static i32 fcoder_metacmd_ID_write_todo = 188;
+static i32 fcoder_metacmd_ID_write_hack = 189;
+static i32 fcoder_metacmd_ID_write_note = 190;
+static i32 fcoder_metacmd_ID_write_block = 191;
+static i32 fcoder_metacmd_ID_write_zero_struct = 192;
+static i32 fcoder_metacmd_ID_comment_line = 193;
+static i32 fcoder_metacmd_ID_uncomment_line = 194;
+static i32 fcoder_metacmd_ID_comment_line_toggle = 195;
+static i32 fcoder_metacmd_ID_snippet_lister = 196;
+static i32 fcoder_metacmd_ID_miblo_increment_basic = 197;
+static i32 fcoder_metacmd_ID_miblo_decrement_basic = 198;
+static i32 fcoder_metacmd_ID_miblo_increment_time_stamp = 199;
+static i32 fcoder_metacmd_ID_miblo_decrement_time_stamp = 200;
+static i32 fcoder_metacmd_ID_miblo_increment_time_stamp_minute = 201;
+static i32 fcoder_metacmd_ID_miblo_decrement_time_stamp_minute = 202;
+static i32 fcoder_metacmd_ID_default_startup = 203;
+static i32 fcoder_metacmd_ID_default_try_exit = 204;
 #endif
diff --git a/custom/generated/custom_api.cpp b/custom/generated/custom_api.cpp
index e7c96a09..14d90ba4 100644
--- a/custom/generated/custom_api.cpp
+++ b/custom/generated/custom_api.cpp
@@ -111,10 +111,11 @@ vtable->managed_object_get_containing_scope = managed_object_get_containing_scop
 vtable->managed_object_free = managed_object_free;
 vtable->managed_object_store_data = managed_object_store_data;
 vtable->managed_object_load_data = managed_object_load_data;
-vtable->get_user_input = get_user_input;
-vtable->get_command_input = get_command_input;
-vtable->set_command_input = set_command_input;
-vtable->leave_command_input_unhandled = leave_command_input_unhandled;
+vtable->get_next_input = get_next_input;
+vtable->get_current_input_sequence_number = get_current_input_sequence_number;
+vtable->get_current_input = get_current_input;
+vtable->set_current_input = set_current_input;
+vtable->leave_current_input_unhandled = leave_current_input_unhandled;
 vtable->set_custom_hook = set_custom_hook;
 vtable->get_mouse_state = get_mouse_state;
 vtable->get_active_query_bars = get_active_query_bars;
@@ -282,10 +283,11 @@ managed_object_get_containing_scope = vtable->managed_object_get_containing_scop
 managed_object_free = vtable->managed_object_free;
 managed_object_store_data = vtable->managed_object_store_data;
 managed_object_load_data = vtable->managed_object_load_data;
-get_user_input = vtable->get_user_input;
-get_command_input = vtable->get_command_input;
-set_command_input = vtable->set_command_input;
-leave_command_input_unhandled = vtable->leave_command_input_unhandled;
+get_next_input = vtable->get_next_input;
+get_current_input_sequence_number = vtable->get_current_input_sequence_number;
+get_current_input = vtable->get_current_input;
+set_current_input = vtable->set_current_input;
+leave_current_input_unhandled = vtable->leave_current_input_unhandled;
 set_custom_hook = vtable->set_custom_hook;
 get_mouse_state = vtable->get_mouse_state;
 get_active_query_bars = vtable->get_active_query_bars;
diff --git a/custom/generated/custom_api.h b/custom/generated/custom_api.h
index 867e486f..5ce998cc 100644
--- a/custom/generated/custom_api.h
+++ b/custom/generated/custom_api.h
@@ -109,10 +109,11 @@
 #define custom_managed_object_free_sig() b32 custom_managed_object_free(Application_Links* app, Managed_Object object)
 #define custom_managed_object_store_data_sig() b32 custom_managed_object_store_data(Application_Links* app, Managed_Object object, u32 first_index, u32 count, void* mem)
 #define custom_managed_object_load_data_sig() b32 custom_managed_object_load_data(Application_Links* app, Managed_Object object, u32 first_index, u32 count, void* mem_out)
-#define custom_get_user_input_sig() User_Input custom_get_user_input(Application_Links* app, Event_Property get_properties, Event_Property abort_properties)
-#define custom_get_command_input_sig() User_Input custom_get_command_input(Application_Links* app)
-#define custom_set_command_input_sig() void custom_set_command_input(Application_Links* app, Input_Event* event)
-#define custom_leave_command_input_unhandled_sig() void custom_leave_command_input_unhandled(Application_Links* app)
+#define custom_get_next_input_sig() User_Input custom_get_next_input(Application_Links* app, Event_Property get_properties, Event_Property abort_properties)
+#define custom_get_current_input_sequence_number_sig() i64 custom_get_current_input_sequence_number(Application_Links* app)
+#define custom_get_current_input_sig() User_Input custom_get_current_input(Application_Links* app)
+#define custom_set_current_input_sig() void custom_set_current_input(Application_Links* app, User_Input* input)
+#define custom_leave_current_input_unhandled_sig() void custom_leave_current_input_unhandled(Application_Links* app)
 #define custom_set_custom_hook_sig() void custom_set_custom_hook(Application_Links* app, Hook_ID hook_id, Void_Func* func_ptr)
 #define custom_get_mouse_state_sig() Mouse_State custom_get_mouse_state(Application_Links* app)
 #define custom_get_active_query_bars_sig() b32 custom_get_active_query_bars(Application_Links* app, View_ID view_id, i32 max_result_count, Query_Bar_Ptr_Array* array_out)
@@ -276,10 +277,11 @@ typedef Managed_Scope custom_managed_object_get_containing_scope_type(Applicatio
 typedef b32 custom_managed_object_free_type(Application_Links* app, Managed_Object object);
 typedef b32 custom_managed_object_store_data_type(Application_Links* app, Managed_Object object, u32 first_index, u32 count, void* mem);
 typedef b32 custom_managed_object_load_data_type(Application_Links* app, Managed_Object object, u32 first_index, u32 count, void* mem_out);
-typedef User_Input custom_get_user_input_type(Application_Links* app, Event_Property get_properties, Event_Property abort_properties);
-typedef User_Input custom_get_command_input_type(Application_Links* app);
-typedef void custom_set_command_input_type(Application_Links* app, Input_Event* event);
-typedef void custom_leave_command_input_unhandled_type(Application_Links* app);
+typedef User_Input custom_get_next_input_type(Application_Links* app, Event_Property get_properties, Event_Property abort_properties);
+typedef i64 custom_get_current_input_sequence_number_type(Application_Links* app);
+typedef User_Input custom_get_current_input_type(Application_Links* app);
+typedef void custom_set_current_input_type(Application_Links* app, User_Input* input);
+typedef void custom_leave_current_input_unhandled_type(Application_Links* app);
 typedef void custom_set_custom_hook_type(Application_Links* app, Hook_ID hook_id, Void_Func* func_ptr);
 typedef Mouse_State custom_get_mouse_state_type(Application_Links* app);
 typedef b32 custom_get_active_query_bars_type(Application_Links* app, View_ID view_id, i32 max_result_count, Query_Bar_Ptr_Array* array_out);
@@ -444,10 +446,11 @@ custom_managed_object_get_containing_scope_type *managed_object_get_containing_s
 custom_managed_object_free_type *managed_object_free;
 custom_managed_object_store_data_type *managed_object_store_data;
 custom_managed_object_load_data_type *managed_object_load_data;
-custom_get_user_input_type *get_user_input;
-custom_get_command_input_type *get_command_input;
-custom_set_command_input_type *set_command_input;
-custom_leave_command_input_unhandled_type *leave_command_input_unhandled;
+custom_get_next_input_type *get_next_input;
+custom_get_current_input_sequence_number_type *get_current_input_sequence_number;
+custom_get_current_input_type *get_current_input;
+custom_set_current_input_type *set_current_input;
+custom_leave_current_input_unhandled_type *leave_current_input_unhandled;
 custom_set_custom_hook_type *set_custom_hook;
 custom_get_mouse_state_type *get_mouse_state;
 custom_get_active_query_bars_type *get_active_query_bars;
@@ -613,10 +616,11 @@ internal Managed_Scope managed_object_get_containing_scope(Application_Links* ap
 internal b32 managed_object_free(Application_Links* app, Managed_Object object);
 internal b32 managed_object_store_data(Application_Links* app, Managed_Object object, u32 first_index, u32 count, void* mem);
 internal b32 managed_object_load_data(Application_Links* app, Managed_Object object, u32 first_index, u32 count, void* mem_out);
-internal User_Input get_user_input(Application_Links* app, Event_Property get_properties, Event_Property abort_properties);
-internal User_Input get_command_input(Application_Links* app);
-internal void set_command_input(Application_Links* app, Input_Event* event);
-internal void leave_command_input_unhandled(Application_Links* app);
+internal User_Input get_next_input(Application_Links* app, Event_Property get_properties, Event_Property abort_properties);
+internal i64 get_current_input_sequence_number(Application_Links* app);
+internal User_Input get_current_input(Application_Links* app);
+internal void set_current_input(Application_Links* app, User_Input* input);
+internal void leave_current_input_unhandled(Application_Links* app);
 internal void set_custom_hook(Application_Links* app, Hook_ID hook_id, Void_Func* func_ptr);
 internal Mouse_State get_mouse_state(Application_Links* app);
 internal b32 get_active_query_bars(Application_Links* app, View_ID view_id, i32 max_result_count, Query_Bar_Ptr_Array* array_out);
@@ -782,10 +786,11 @@ global custom_managed_object_get_containing_scope_type *managed_object_get_conta
 global custom_managed_object_free_type *managed_object_free = 0;
 global custom_managed_object_store_data_type *managed_object_store_data = 0;
 global custom_managed_object_load_data_type *managed_object_load_data = 0;
-global custom_get_user_input_type *get_user_input = 0;
-global custom_get_command_input_type *get_command_input = 0;
-global custom_set_command_input_type *set_command_input = 0;
-global custom_leave_command_input_unhandled_type *leave_command_input_unhandled = 0;
+global custom_get_next_input_type *get_next_input = 0;
+global custom_get_current_input_sequence_number_type *get_current_input_sequence_number = 0;
+global custom_get_current_input_type *get_current_input = 0;
+global custom_set_current_input_type *set_current_input = 0;
+global custom_leave_current_input_unhandled_type *leave_current_input_unhandled = 0;
 global custom_set_custom_hook_type *set_custom_hook = 0;
 global custom_get_mouse_state_type *get_mouse_state = 0;
 global custom_get_active_query_bars_type *get_active_query_bars = 0;
diff --git a/custom/generated/custom_api_master_list.h b/custom/generated/custom_api_master_list.h
index 6e01199f..1f6eee70 100644
--- a/custom/generated/custom_api_master_list.h
+++ b/custom/generated/custom_api_master_list.h
@@ -109,10 +109,11 @@ api(custom) function Managed_Scope managed_object_get_containing_scope(Applicati
 api(custom) function b32 managed_object_free(Application_Links* app, Managed_Object object);
 api(custom) function b32 managed_object_store_data(Application_Links* app, Managed_Object object, u32 first_index, u32 count, void* mem);
 api(custom) function b32 managed_object_load_data(Application_Links* app, Managed_Object object, u32 first_index, u32 count, void* mem_out);
-api(custom) function User_Input get_user_input(Application_Links* app, Event_Property get_properties, Event_Property abort_properties);
-api(custom) function User_Input get_command_input(Application_Links* app);
-api(custom) function void set_command_input(Application_Links* app, Input_Event* event);
-api(custom) function void leave_command_input_unhandled(Application_Links* app);
+api(custom) function User_Input get_next_input(Application_Links* app, Event_Property get_properties, Event_Property abort_properties);
+api(custom) function i64 get_current_input_sequence_number(Application_Links* app);
+api(custom) function User_Input get_current_input(Application_Links* app);
+api(custom) function void set_current_input(Application_Links* app, User_Input* input);
+api(custom) function void leave_current_input_unhandled(Application_Links* app);
 api(custom) function void set_custom_hook(Application_Links* app, Hook_ID hook_id, Void_Func* func_ptr);
 api(custom) function Mouse_State get_mouse_state(Application_Links* app);
 api(custom) function b32 get_active_query_bars(Application_Links* app, View_ID view_id, i32 max_result_count, Query_Bar_Ptr_Array* array_out);
diff --git a/custom/generated/remapping.h b/custom/generated/remapping.h
index 1dbcbb28..e0198dc8 100644
--- a/custom/generated/remapping.h
+++ b/custom/generated/remapping.h
@@ -10,6 +10,8 @@ setup_default_mapping(Mapping *mapping){
     SelectMapping(mapping);
     
     SelectMap(mapid_global);
+    BindCore(default_startup , CoreCode_Startup);
+    BindCore(default_try_exit, CoreCode_TryExit);
     Bind(change_active_panel,           KeyCode_Comma, KeyCode_Control);
     Bind(change_active_panel_backwards, KeyCode_Comma, KeyCode_Control, KeyCode_Shift);
     Bind(interactive_new,               KeyCode_N, KeyCode_Control);