Introduce edit_field entity

CMakeLists.txt

@@ -20,8 +20,8 @@ set(SOURCE_FILES
   src/color.c
   src/game.c
   src/game/camera.c
-  src/game/debug_node.h
   src/game/debug_tree.c
+  src/game/edit_field.c
   src/game/level.c
   src/game/level/background.c
   src/game/level/boxes.c
@@ -56,6 +56,7 @@ set(HEADER_FILES
   src/game/camera.h
   src/game/debug_node.h
   src/game/debug_tree.h
+  src/game/edit_field.h
   src/game/level.h
   src/game/level/background.h
   src/game/level/boxes.h

src/game/edit_field.c

@@ -0,0 +1,49 @@
+#include <assert.h>
+
+#include "game/sprite_font.h"
+#include "system/lt.h"
+#include "edit_field.h"
+
+struct edit_field_t
+{
+    lt_t *lt;
+    char *buffer;
+    size_t size;
+    size_t capacity;
+    size_t cursor;
+};
+
+edit_field_t *create_edit_field(const sprite_font_t *font)
+{
+    assert(font);
+    return NULL;
+}
+
+void destroy_edit_field(edit_field_t *edit_field)
+{
+    assert(edit_field);
+}
+
+int edit_field_render(const edit_field_t *edit_field,
+                      SDL_Renderer *renderer,
+                      point_t position)
+{
+    assert(edit_field);
+    assert(renderer);
+    (void) position;
+    return 0;
+}
+
+int edit_field_handle_event(edit_field_t *edit_field,
+                            const SDL_Event *event)
+{
+    assert(edit_field);
+    assert(event);
+    return 0;
+}
+
+const char *edit_field_as_text(const edit_field_t *edit_field)
+{
+    assert(edit_field);
+    return NULL;
+}

src/game/edit_field.h

@@ -0,0 +1,20 @@
+#ifndef EDIT_FIELD_H_
+#define EDIT_FIELD_H_
+
+#include <SDL2/SDL.h>
+
+typedef struct edit_field_t edit_field_t;
+
+edit_field_t *create_edit_field(const sprite_font_t *font);
+void destroy_edit_field(edit_field_t *edit_field);
+
+int edit_field_render(const edit_field_t *edit_field,
+                      SDL_Renderer *renderer,
+                      point_t position);
+
+int edit_field_handle_event(edit_field_t *edit_field,
+                            const SDL_Event *event);
+
+const char *edit_field_as_text(const edit_field_t *edit_field);
+
+#endif  // EDIT_FIELD_H_