ui: refactoring. changes active id mechanism

src/utils/d_array.c

@@ -2,18 +2,26 @@
 #include "d_array.h"
 #include <stdint.h>
 #include <stdlib.h>
+#include <string.h>
 
 void init_d_arr_ptr(d_array_ptr_t *arr, int64_t init_capacity) {
   arr->capacity = init_capacity;
   arr->length = 0;
   arr->arr = malloc(sizeof(void *) * init_capacity);
+  arr->fist_el = NULL;
+  arr->last_el = NULL;
+  memset(arr->arr, 0, init_capacity);
 }
 
 void add_d_arr_ptr(d_array_ptr_t *arr, void *ptr, int64_t idx) {
+  int64_t new_capacity = idx * 2;
   if (idx > arr->capacity - 1) {
-    arr->capacity = idx * 2;
-    arr->arr = realloc(arr->arr, arr->capacity);
+    arr->arr = realloc(arr->arr, new_capacity);
+    memset(arr->arr+arr->capacity, 0, arr->capacity - new_capacity);
+    arr->capacity = new_capacity;
   }
+  if (arr->fist_el == NULL) arr->fist_el = ptr;
+  arr->last_el = ptr;
   arr->arr[idx] = ptr;
   arr->length = idx+1;
 }

src/utils/d_array.h

@@ -6,6 +6,8 @@ typedef struct d_array_ptr_t {
   int64_t capacity;
   int64_t length;
   void **arr;
+  void *fist_el;
+  void *last_el;
 } d_array_ptr_t;
 
 void init_d_arr_ptr(d_array_ptr_t *arr, int64_t init_capacity);