#include "mywin_inc.h"

// 定义列表类型
#define WIN_LIST_TYPE "WIN_ListStruct"

// 在堆中创建一个列表窗口
WIN_ListStruct *WIN_CreatList(WIN_WindowStruct *base,
                              void (*msgLoop)(struct _WIN_WindowStruct *win,
                                              WIN_MsgStruct *msg),
                              int x, int y, int x_size, int y_size) {
  // 重设消息循环
  if (msgLoop == 0) {
    msgLoop = (void (*)(struct _WIN_WindowStruct *win,
                        WIN_MsgStruct *msg))LIST_DefaultMsgLoop;
  }

  WIN_ListStruct *ret = mymalloc(sizeof(WIN_ListStruct));
  // 调用父类的构造函数
  if (ret) {
    mymemset(ret, 0, sizeof(WIN_ListStruct));
    if (0 == WIN_CreatWindowExt((WIN_WindowStruct *)ret, base, msgLoop, x, y,
                                x_size, y_size)) {
      // 创建失败
      myfree(ret);
      ret = 0;
    } else {
      ((WIN_WindowStruct *)ret)->winType = WIN_LIST_TYPE;
      // 构造一个列表
      ret->itemHeigh = WIN_GetFontHight();
      ret->list_y = 0;
    }
  }

  return ret;
}

// 设置列表框显示的条目
void LIST_SetItem(WIN_ListStruct *list, char **item, int itemNum) {
  if (list->button) {
    // 如果已经设置过，先清除以前的
    for (int i = 0; i < list->itemNum; i++) {
      ((WIN_WindowStruct *)(list->button[i]))
          ->deleteWindow((WIN_WindowStruct *)(list->button[i]));
    }
    myfree(list->button);
  }

  list->item = item;
  list->itemNum = itemNum;
  list->button = mymalloc(sizeof(WIN_ButtonStruct *) * list->itemNum);
  mymemset(list->button, 0, sizeof(WIN_ButtonStruct *) * list->itemNum);

  // 创建每个条目按钮
  for (int i = 0; i < list->itemNum; i++) {
    list->button[i] = WIN_CreatButton(
        (WIN_WindowStruct *)list, 0, 0, list->list_y + i * list->itemHeigh,
        ((WIN_WindowStruct *)list)->x_size, list->itemHeigh);
    BUTTON_SetKeyString(list->button[i], list->item[i]);
  }
}

// 设置每个条目的高度
void LIST_SetItemHeight(WIN_ListStruct *list, int height) {
  list->itemHeigh = height;
}

// 设置列表Y轴方向的原点
void LIST_SetYOrigin(WIN_ListStruct *list, int ori) { list->list_y = ori; }

// 设置Y轴方向的移动距离
void LIST_SetYMove(WIN_ListStruct *list, int move) {
  list->list_y += move;
  int temp =
      ((WIN_WindowStruct *)list)->y_size - list->itemHeigh * list->itemNum;
  if (list->list_y < temp) {
    list->list_y = temp;
  } else if (list->list_y > 0) {
    list->list_y = 0;
  }
}

// 默认绘制函数
void LIST_DefaultPaint(WIN_ListStruct *list) {
  int x = 0;
  int y = 0;
}

// 默认消息处理函数
void LIST_DefaultMsgLoop(WIN_ListStruct *list, WIN_MsgStruct *msg) {
  WIN_MoveStruct *m = 0;
  switch (msg->msg) {
  case WIN_MSG_PAINT:
    LIST_DefaultPaint(list);
    break;
  case WIN_MSG_INIT:
    break;
  case WIN_MSG_KEY:
    break;
  case WIN_MSG_TOUCH:
    break;
  case WIN_MSG_CHID:
    break;
  case WIN_MSG_DELETE:
    break;
  case WIN_MSG_MOVE:
    m = msg->data.p;
    switch (m->moveType) {
    case MOVE_DATA_MOVEIN:
      break;
    case MOVE_DATA_MOVED:
      break;
    case MOVE_DATA_LONG:
      break;
    case MOVE_DATA_MOVEOUT:
    case MOVE_DATA_OUTSIDE:
      break;
    case MOVE_DATA_TOUCHOUT:
      break;
    case MOVE_DATA_TOUCHIN:
      WIN_SetInvalid((WIN_WindowStruct *)list);
      break;
    default:
      WIN_DefaultMsgLoop((WIN_WindowStruct *)list, msg);
      break;
    }
    break;
  default:
    WIN_DefaultMsgLoop((WIN_WindowStruct *)list, msg);
    break;
  }
}