dynamic memory allocation

libpukeko/include/navigation.h

@@ -1,7 +1,17 @@
 #ifndef INPUT_H
 #define INPUT_H
 
-void waitForKey(char key);
-int selector_render(char menu_items[10][32], int items_length);
+#include <stdlib.h>
+
+typedef struct {
+  char* text;
+  int id;
+} MenuItem;
+
+MenuItem* create_menu(size_t item_count);
+void set_menu_item(MenuItem* menu, int index, const char* text);
+void destroy_menu(MenuItem* menu, size_t item_count);
+
+int selector_render(MenuItem* menu, size_t items_length);
 
 #endif // !INPUT_H

libpukeko/src/navigation/selector.c

@@ -1,54 +1,90 @@
 #include <3ds.h>
 #include <stdio.h>
+#include <string.h>
 #include "navigation.h"
 
-//void waitForKey(char key) {
-//  while (true) {
-//    hidScanInput();
-//    u32 key_down = hidKeysDown();
-//    if (key_down & key) break;
-//  }
-//}
+MenuItem* create_menu(size_t item_count)
+{
+  MenuItem* items = malloc(item_count * sizeof(MenuItem));
+  if (!items)
+  {
+    printf("\x1b[1;1HMemory allocation failed!");
+    return NULL;
+  }
+  return items;
+}
 
-int render_cursor(int items) {
+void set_menu_item(MenuItem* menu, int index, const char* text)
+{ 
+  int id = index + 1;
+  if (menu && text)
+  {
+    menu[index].text = (char*)malloc(strlen(text) + 1);
+    if (menu[index].text)
+    {
+      strcpy(menu[index].text, text);
+      menu[index].id = id;
+    }
+  }
+}
+
+void destroy_menu(MenuItem* menu, size_t item_count)
+{
+  if (menu)
+  {
+    for (int i = 0; i < item_count; i++)
+    {
+      if (menu[i].text)
+      {
+        free(menu[i].text);
+      }
+    }
+    free(menu);
+  }
+}
+
+void selector_draw(MenuItem* menu, size_t items_count) 
+{
+  for (int i = 0; i < items_count; i = i + 1) 
+  {
+    printf("\x1b[%d;2H%s", i+1, menu[i].text);
+  }
+}
+
+int render_cursor(int items) 
+{
   int cursor_position = 1;
 
   printf("\x1b[%d;1H>", cursor_position);
- while (true) {
+  while (true) 
+  {
     hidScanInput();
     u32 key_down = hidKeysDown();
 
-    if (key_down & KEY_DDOWN) {
+    if (key_down & KEY_DDOWN) 
+    {
       printf("\x1b[%d;1H ", cursor_position);
       cursor_position = (cursor_position >= items) ? 1 : cursor_position + 1;
       printf("\x1b[%d;1H>", cursor_position);
     }
-    if (key_down & KEY_DUP) {
+    if (key_down & KEY_DUP) 
+    {
       printf("\x1b[%d;1H ", cursor_position);
       cursor_position = (cursor_position <= 1) ? items : cursor_position - 1;
       printf("\x1b[%d;1H>", cursor_position);
     }
-    if (key_down & KEY_B) {
+    if (key_down & KEY_B) 
       return 0;
-    }
-    if (key_down & KEY_A) {
+    if (key_down & KEY_A) 
       break;
-    }
-
-    printf("\x1b[10;16Hcursorpos: %d", cursor_position);
   }
     return cursor_position;
 }
 
-void selector_draw(char menu_items[10][32], int items_length) {
-  for (int i = 0; i < items_length; i = i + 1) {
-    printf("\x1b[%d;2H%s", i+1, menu_items[i]);
-  }
-}
-
-int selector_render(char menu_items[10][32], int items_length) {
+int selector_render(MenuItem* menu, size_t items_length) 
+{
   consoleClear();
-  selector_draw(menu_items, items_length);
+  selector_draw(menu, items_length);
   int selection = render_cursor(items_length);
   return selection;
 }