src/ui/list_selector.c

   1 #include <stdlib.h>
   2
   3 #include <SDL2/SDL.h>
   4
   5 #include "system/stacktrace.h"
   6 #include "system/lt.h"
   7 #include "system/nth_alloc.h"
   8 #include "system/str.h"
   9 #include "math/point.h"
  10
  11 #include "./list_selector.h"
  12
  13 struct ListSelector
  14 {
  15     Lt *lt;
  16     const char **items;
  17     size_t count;
  18     Vec positiion;
  19     float width;
  20 };
  21
  22 ListSelector *create_list_selector(const char **items,
  23                                    size_t count,
  24                                    Vec positiion,
  25                                    float width)
  26 {
  27     trace_assert(items);
  28
  29     Lt *lt = create_lt();
  30     if (lt == NULL) {
  31         return NULL;
  32     }
  33
  34     ListSelector *list_selector = PUSH_LT(lt, nth_alloc(sizeof(ListSelector)), free);
  35     if (list_selector == NULL) {
  36         RETURN_LT(lt, NULL);
  37     }
  38     list_selector->lt = lt;
  39
  40     list_selector->items = PUSH_LT(lt, nth_calloc(count, sizeof(const char*)), free);
  41     if (list_selector->items == NULL) {
  42         RETURN_LT(lt, NULL);
  43     }
  44
  45     for (size_t i = 0; i < count; ++i) {
  46         list_selector->items[i] = PUSH_LT(lt, string_duplicate(list_selector->items[i], NULL), free);
  47         if (list_selector->items[i] == NULL) {
  48             RETURN_LT(lt, NULL);
  49         }
  50     }
  51
  52     list_selector->count = count;
  53     list_selector->positiion = positiion;
  54     list_selector->width = width;
  55
  56     return list_selector;
  57 }
  58
  59 void destroy_list_selector(ListSelector *list_selector)
  60 {
  61     trace_assert(list_selector);
  62     RETURN_LT0(list_selector->lt);
  63 }
  64
  65 int list_selector_render(const ListSelector *list_selector, SDL_Renderer *renderer)
  66 {
  67     trace_assert(list_selector);
  68     trace_assert(renderer);
  69     return 0;
  70 }
  71
  72 int list_selector_update(ListSelector *list_selector, float delta_time)
  73 {
  74     trace_assert(list_selector);
  75     (void) delta_time;
  76
  77     return 0;
  78 }
  79
  80 int list_selector_event(ListSelector *list_selector, const SDL_Event *event)
  81 {
  82     trace_assert(list_selector);
  83     trace_assert(event);
  84     return 0;
  85 }
  86
  87 const char *list_selector_selected(const ListSelector *list_selector)
  88 {
  89     trace_assert(list_selector);
  90     return NULL;
  91 }