check files before closing

4ed.cpp

@@ -3647,6 +3647,57 @@ App_Step_Sig(app_step){
     }
     ProfileEnd(prepare_commands);
 
+    // NOTE(allen): process the command_coroutine if it is unfinished
+    ProfileStart(try_to_shutdown);
+    if (app_result.trying_to_kill){
+        b32 there_is_unsaved = 0;
+        
+        File_Node *node, *sent;
+        sent = &models->working_set.used_sentinel;
+        for (dll_items(node, sent)){
+            Editing_File *file = (Editing_File*)node;
+            if (buffer_needs_save(file)){
+                there_is_unsaved = 1;
+                break;
+            }
+        }
+        
+        if (there_is_unsaved){
+            Coroutine *command_coroutine = models->command_coroutine;
+            View *view = cmd->view;
+            i32 i = 0;
+
+            while (command_coroutine){
+                User_Input user_in = {0};
+                user_in.abort = 1;
+                command_coroutine = system->resume_coroutine(command_coroutine, &user_in, models->command_coroutine_flags);
+                ++i;
+                if (i >= 128){
+                    // TODO(allen): post grave warning, resource cleanup system
+                    command_coroutine = 0;
+                }
+            }
+            if (view != 0){
+                init_query_set(&view->query_set);
+            }
+
+            if (view == 0){
+                Panel *panel = models->layout.used_sentinel.next;
+                view = panel->view;
+            }
+
+            view_show_interactive(system, view, &models->map_ui,
+                IAct_Sure_To_Close, IInt_Sure_To_Close, make_lit_string("Are you sure?"));
+
+            models->command_coroutine = command_coroutine;
+            app_result.redraw = 1;
+        }
+        else{
+            app_result.perform_kill = 1;
+        }
+    }
+    ProfileEnd(try_to_shutdown);
+    
     // NOTE(allen): process the command_coroutine if it is unfinished
     ProfileStart(command_coroutine);
     b8 consumed_input[6] = {0};
@@ -4343,6 +4394,11 @@ App_Step_Sig(app_step){
                         }
                     }
                 }break;
+                
+                case DACT_CLOSE:
+                {
+                    app_result.perform_kill = 1;
+                }break;
             }
 
             if (string.str){

4ed.h

@@ -70,8 +70,7 @@ struct Plat_Settings{
              String current_directory,                  \
              Plat_Settings *plat_settings,                 \
              char ***files, i32 **file_count,                   \
-             Command_Line_Parameters clparams           \
+             Command_Line_Parameters clparams)
-             )
 
 typedef App_Read_Command_Line_Sig(App_Read_Command_Line);
 
@@ -100,6 +99,8 @@ struct Application_Step_Result{
 	Application_Mouse_Cursor mouse_cursor_type;
     b32 redraw;
     b32 lctrl_lalt_is_altgr;
+    b32 trying_to_kill;
+    b32 perform_kill;
 };
 
 #define App_Step_Sig(name) void          \

4ed_delay.cpp

@@ -9,6 +9,7 @@ enum Action_Type{
     DACT_TRY_KILL,
     DACT_KILL,
     DACT_TOUCH_FILE,
+    DACT_CLOSE,
 };
 
 struct Delayed_Action{
@@ -129,3 +130,4 @@ delayed_action_repush(Delay *delay, Delayed_Action *act){
 #define delayed_try_kill(delay, ...) delayed_action_(delay, DACT_TRY_KILL, __VA_ARGS__)
 #define delayed_kill(delay, ...) delayed_action_(delay, DACT_KILL, __VA_ARGS__)
 #define delayed_touch_file(delay, ...) delayed_action_(delay, DACT_TOUCH_FILE, __VA_ARGS__)
+#define delayed_close(delay, ...) delayed_action_(delay, DACT_CLOSE, __VA_ARGS__)

4ed_file_view.cpp

@@ -15,13 +15,15 @@ enum Interactive_Action{
     IAct_New,
     IAct_Switch,
     IAct_Kill,
-    IAct_Sure_To_Kill
+    IAct_Sure_To_Kill,
+    IAct_Sure_To_Close
 };
 
 enum Interactive_Interaction{
     IInt_Sys_File_List,
     IInt_Live_File_List,
-    IInt_Sure_To_Kill
+    IInt_Sure_To_Kill,
+    IInt_Sure_To_Close
 };
 
 struct View_Mode{
@@ -2677,6 +2679,21 @@ interactive_view_complete(View *view){
         delayed_try_kill(&models->delay1, view->dest);
         break;
 
+        case IAct_Sure_To_Close:
+        switch (view->user_action){
+            case 0:
+            delayed_close(&models->delay1);
+            break;
+
+            case 1:
+            break;
+
+            case 2:
+            // TODO(allen): Save all.
+            break;
+        }
+        break;
+        
         case IAct_Sure_To_Kill:
         switch (view->user_action){
             case 0:
@@ -3236,11 +3253,49 @@ interactive_shit(System_Functions *system, View *view, UI_State *state, UI_Layou
             }
         }break;
 
+        case IInt_Sure_To_Close:
+        {
+            i32 action = -1;
+            char s_[256];
+            String s;
+            s = make_fixed_width_string(s_);
+            append(&s, "There are unsaved changes in, close anyway?");
+            do_label(state, layout, s, 1.f);
+
+            i32 id = 0;
+            if (do_list_option(++id, state, layout, make_lit_string("(Y)es"))){
+                action = 0;
+            }
+
+            if (do_list_option(++id, state, layout, make_lit_string("(N)o"))){
+                action = 1;
+            }
+
+            if (action == -1 && input_stage){
+                i32 key_count = keys->count;
+                for (i32 i = 0; i < key_count; ++i){
+                    Key_Event_Data key = keys->keys[i];
+                    switch (key.character){
+                        case 'y': case 'Y': action = 0; break;
+                        case 'n': case 'N': action = 1; break;
+                    }
+                    if (action == -1 && key.keycode == key_esc) action = 1;
+                    if (action != -1) break;
+                }
+            }
+
+            if (action != -1){
+                complete = 1;
+                view->user_action = action;
+            }
+        }break;
+        
         case IInt_Sure_To_Kill:
         {
             i32 action = -1;
             char s_[256];
-            String s = make_fixed_width_string(s_);
+            String s;
+            s = make_fixed_width_string(s_);
             append(&s, view->dest);
             append(&s, " has unsaved changes, kill it?");
             do_label(state, layout, s, 1.f);

4ed_metagen.cpp

@@ -155,6 +155,7 @@ char *daction_enum[] = {
     "TRY_KILL",
     "KILL",
     "TOUCH_FILE",
+    "CLOSE",
 };
 
 char str_alloc_copy[] =

win32_4ed.cpp

@@ -83,7 +83,9 @@ struct Win32_Input_Chunk_Transient{
     b8 out_of_window;
     i8 mouse_wheel;
     
-    b32 redraw;
+    b8 trying_to_kill;
+    
+    b8 redraw;
 };
 
 struct Win32_Input_Chunk_Persistent{
@@ -1424,7 +1426,7 @@ Win32Callback(HWND hwnd, UINT uMsg,
     case WM_DESTROY:
     {
         system_acquire_lock(INPUT_LOCK);
-        win32vars.input_chunk.pers.keep_playing = 0;
+        win32vars.input_chunk.trans.trying_to_kill = 1;
         system_release_lock(INPUT_LOCK);
     }break;
     
@@ -1540,16 +1542,22 @@ UpdateLoop(LPVOID param){
         result.mouse_cursor_type = APP_MOUSE_CURSOR_DEFAULT;
         result.redraw = redraw;
         result.lctrl_lalt_is_altgr = win32vars.lctrl_lalt_is_altgr;
+        result.trying_to_kill = input_chunk.trans.trying_to_kill;
+        result.perform_kill = 0;
 
         win32vars.app.step(win32vars.system,
-                           &input_data,
+            &input_data,
-                           &mouse,
+            &mouse,
-                           &win32vars.target,
+            &win32vars.target,
-                           &memory_vars,
+            &memory_vars,
-                           &exchange_vars,
+            &exchange_vars,
-                           win32vars.clipboard_contents,
+            win32vars.clipboard_contents,
-                           1, win32vars.first, redraw,
+            1, win32vars.first, redraw,
-                           &result);
+            &result);
+        
+        if (result.perform_kill){
+            win32vars.input_chunk.pers.keep_playing = 0;
+        }
         
         ProfileStart(OS_frame_out);