void render_bar(Rect * bar, int * step, char * chr,int color_pairs)
{
int i, n;
int top_row = bar->left_top.row;
int bottom_row = bar->right_bottom.row;
int left_col = bar->left_top.col;
int right_col = bar->right_bottom.col;
if (right_col + *step <= RIGHTEDGE && left_col + *step >= LEFTEDGE)
i = *step;
else if (right_col + *step > RIGHTEDGE)
i = RIGHTEDGE - right_col;
else
i = LEFTEDGE - left_col;
bar->left_top.col += i;
bar->right_bottom.col += i;
left_col = bar->left_top.col;
right_col = bar->right_bottom.col
;
for (i = top_row; i <= bottom_row; ++i){
for (n = left_col; n <= right_col; ++n){
color_on(color_pairs);
mvaddstr(i, n, chr);
color_off(color_pairs);
move(0, 0);
}
}
*step = 0;
}
//render the point appear in the next position
//p(col + vcol, row + vrow) and make sure this does't collide with borders
void render_point(Point * p, int * vcol, int * vrow,char * chr, int color_pairs)
{
int i, r, c;
c = *vcol;
r = *vrow;
p->col += c;
if (p->col <= LEFTEDGE){
p->col = LEFTEDGE;
*vcol = -c;
}
if (p->col >= RIGHTEDGE){
p->col = RIGHTEDGE;
*vcol = -c;
}
p->row += r;
if (p->row <= TOP){
p->row = TOP;
*vrow = -r;
}
if (p->row >= BOTTOM){
p->row = BOTTOM;
*vrow = 0;
*vcol = 0;
printw("GAMEOVER!!!!!!!");
}
color_on(color_pairs);
mvaddstr(p->row, p->col, chr);
color_off(color_pairs);
move(0,0);
}
void display_markerline(NEWWIN *win, const char *msg)
{
char *line = (char *)calloc(1, win -> ncols + 1), *msg_use = NULL;
int len = 0, len_msg = 0;
if (getcurx(win -> win))
waddch(win -> win, '\n');
color_on(win, markerline_colorpair);
mywattron(win -> win, A_REVERSE);
memset(line, '-', win -> ncols);
len_msg = asprintf(&msg_use, "%s", msg);
msg_use[min(len_msg, win -> ncols)] = 0x00;
len = strlen(msg_use);
memcpy(&line[win -> ncols / 2 - len / 2], msg_use, len);
waddstr(win -> win, line);
mywattroff(win -> win, A_REVERSE);
free(line);
free(msg_use);
color_off(win, markerline_colorpair);
color_on(win, default_colorpair);
}
/*
* 显示登录界面
*/
void show_login_window()
{
clear_win();
move_to(0, 0);
printf("┌────────────────────────────────────┐\n");
printf("│ 图书销售系统 │\n");
printf("│ ──────────── │\n");
printf("│ │\n");
printf("│ ");
color_on(INVERSE, BLACK, WHITE);
printf("┌───────────────────┐ ");
color_off();
printf(" │\n");
printf("│ ");
color_on(INVERSE, BLACK, WHITE);
printf("│ 用户名： │ ");
color_off();
printf(" │\n");
printf("│ ");
color_on(INVERSE, BLACK, WHITE);
printf("│ 密 码： │ ");
color_off();
printf(" │\n");
printf("│ ");
color_on(INVERSE, BLACK, WHITE);
printf("└───────────────────┘ ");
color_off();
printf(" │\n");
printf("│ │\n");
printf("│ │\n");
printf("│ │\n");
printf("│ │\n");
printf("│ 时间: 按TAB键退出 │\n");
printf("└────────────────────────────────────┘\n");
}
/*
* 打印错误信息
*/
void print_err(int status)
{
KEY_T key;
if (status == LOGIN_ERROR_INCORRECT)
{
move_to(7, 10);
color_on(INVERSE, WHITE, RED);
printf("用户名或密码错误!");
move_to(7, 11);
printf("请按任意键继续");
color_off();
}else{
move_to(7, 10);
color_on(INVERSE, WHITE, RED);
printf("输入不能为空！");
move_to(7, 11);
printf("请按任意键继续");
color_off();
}
getch();
}
void render_piles(Piles * p, char * chr, int color_pairs)
{
int i, n;
int * b;
for (i = 0; i < p->height; ++i){
for (n = 0; n < p->width; ++n){
if (0 != p->point[i][n]){
color_on(color_pairs);
mvaddstr(i + p->left_top.row,n + p->left_top.col,chr);
color_off(color_pairs);
move(0,0);
}
}
}
}
/*
* 显示商品列表
*/
static void show_list()
{
int i, cnt;
list_t *list;
line_item_t *item;
list = &cur_sale->item_list;
/*
* 遍历商品列表
*/
i = cur_page * ITEM_PER_PAGE;
for (cnt = 0; i < list_len(list) && cnt < ITEM_PER_PAGE; i++,cnt++) {
list_get(list, i, &item);
move_to(2, 8+cnt);
printf(" ");
if (cnt == item_selected) {
color_on(INVERSE, BLACK, WHITE);
}
printf("%3d%6s %-6s%6.2lf%5.1lf%4d %6.2lf",
cnt,
item->code,
item->name,
item->price,
item->discount,
item->count,
item->total);
if (cnt == item_selected) {
color_off();
}
}
}
void draw_border(int top, int bottom, int left, int right, int color_pairs)
{
int i;
color_on(color_pairs);
for(i = left; i <= right; i++){
move(top - 1, i);
addstr(" ");
}
for(i = left; i <= right; i++){
move(bottom + 1, i);
addstr(" ");
}
for(i = top - 1; i <= bottom + 1; i++){
move(i, left - 1);
addstr(" ");
}
for(i = top - 1; i <= bottom + 1; i++){
move(i, right + 1);
addstr(" ");
}
color_off(color_pairs);
}
void BoardPrint(struct board_t *board) {
clear();
int i, j;
for (i = BOARD_ROWS - 1; i >= 0; --i) {
for (j = 0; j < BOARD_COLS; ++j) {
move(startY + BOARD_ROWS - i - 1, startX + 2*j);
color_on(board->a[i][j]);
addch(board->a[i][j]);
color_off(board->a[i][j]);
}
}
for (j = 0; j < BOARD_COLS; ++j) {
move(startY + BOARD_ROWS, startX + 2*j);
addch(j + '1');
}
move(startY + BOARD_ROWS + 1, startX);
refresh();
return;
}
int selection_box(void **list, char *needs_mark, int nlines, selbox_type_t type, int what_help, char *heading)
{
NEWWIN *mywin;
int wlines = min(nlines, (max_y - 1) - 4);
int total_win_size = wlines + 4;
int win_width = max(32, max_x / 3);
int wcols = win_width - 4;
int pos = 0, ppos = -1, offs = 0, poffs = -1;
int loop = 0, sel = -1;
char first = 1;
char *dummy = (char *)mymalloc(wcols + 1);
int path_max = find_path_max();
char *selstr = (char *)mymalloc(path_max + 1), selfound = 0;
selstr[0] = 0x00;
mywin = create_popup(total_win_size, win_width);
for(;;)
{
int c;
/* draw list */
if (pos != ppos)
{
int entries_left = (nlines - pos);
werase(mywin -> win);
if (heading)
win_header(mywin, heading);
else if (type == SEL_WIN)
win_header(mywin, "Select window");
else if (type == SEL_SUBWIN)
win_header(mywin, "Select subwindow");
else if (type == SEL_FILES)
win_header(mywin, "Select file");
else if (type == SEL_CSCHEME)
win_header(mywin, "Select color scheme");
else if (type == SEL_HISTORY)
win_header(mywin, "Select string from history");
for(loop=0; loop<min(entries_left, wlines); loop++)
{
char invert = generate_string(dummy, list, type, wcols, loop + pos);
if (loop == offs)
ui_inverse_on(mywin);
if (invert) color_on(mywin, find_colorpair(COLOR_YELLOW, -1, 0));
if (needs_mark && needs_mark[loop + pos])
mvwprintw(mywin -> win, loop + 2, 1, "*");
mvwprintw(mywin -> win, loop + 2, 2, "%s", dummy);
if (invert) color_off(mywin, find_colorpair(COLOR_YELLOW, -1, 0));
if (loop == offs)
ui_inverse_off(mywin);
}
draw_border(mywin);
ppos = pos;
poffs = offs;
}
else if (poffs != offs)
{
int yellow_cp = find_colorpair(COLOR_YELLOW, -1, 0);
char invert = generate_string(dummy, list, type, wcols, poffs + pos);
if (invert) color_on(mywin, yellow_cp);
mvwprintw(mywin -> win, poffs + 2, 2, "%s", dummy);
if (invert) color_off(mywin, yellow_cp);
invert = generate_string(dummy, list, type, wcols, offs + pos);
ui_inverse_on(mywin);
if (invert) color_on(mywin, yellow_cp);
if (needs_mark && needs_mark[offs + pos])
mvwprintw(mywin -> win, loop + 2, 1, "*");
mvwprintw(mywin -> win, offs + 2, 2, "%s", dummy);
if (invert) color_off(mywin, yellow_cp);
ui_inverse_off(mywin);
poffs = offs;
}
if (first)
{
first = 0;
color_on(mywin, find_colorpair(COLOR_GREEN, -1, 0));
mvwprintw(mywin -> win, total_win_size - 2, 2, "Press ^G to abort");
color_off(mywin, find_colorpair(COLOR_GREEN, -1, 0));
}
else
{
int loop, len = strlen(selstr);
for(loop=0; loop<wcols; loop++)
mvwprintw(mywin -> win, total_win_size - 2, 1 + loop, " ");
if (!selfound) color_on(mywin, find_colorpair(COLOR_RED, -1, 0));
mvwprintw(mywin -> win, total_win_size - 2, 1, "%s", &selstr[max(0, len - wcols)]);
if (!selfound) color_off(mywin, find_colorpair(COLOR_RED, -1, 0));
}
mydoupdate();
c = wait_for_keypress(what_help, 0, mywin, 1);
if (c == KEY_UP)
{
if ((offs + pos) > 0)
{
if (offs)
offs--;
else
pos--;
}
else
{
wrong_key();
}
}
else if (c == KEY_DOWN)
{
if ((pos + offs) < (nlines-1))
{
if (offs < (wlines-1))
offs++;
else
pos++;
}
else
{
wrong_key();
}
}
else if (c == KEY_NPAGE)
{
if ((pos + offs) < (nlines - 1))
{
pos += min(wlines, (nlines - 1) - (pos + offs));
}
else
{
wrong_key();
}
}
else if (c == KEY_PPAGE)
{
if ((pos + offs - wlines) >= 0)
{
if (pos > wlines)
{
pos -= wlines;
}
else
{
pos -= (wlines - offs);
offs = 0;
}
}
else if (offs > 0)
{
offs = 0;
}
else if (pos > 0)
{
pos = 0;
}
else
{
wrong_key();
}
}
else if (c == KEY_ENTER || c == 13 || c == 10)
{
sel = pos + offs;
break;
}
else if (c == abort_key || c == -1)
{
break;
}
else if ((c > 31 && c != 127) || (c == KEY_BACKSPACE))
{
int index, curlen;
curlen = strlen(selstr);
if (c == KEY_BACKSPACE)
{
if (curlen > 0)
selstr[curlen - 1] = 0x00;
else
wrong_key();
}
else if (curlen < path_max)
{
selstr[curlen] = c;
selstr[curlen + 1] = 0x00;
}
else
wrong_key();
curlen = strlen(selstr);
if (curlen > 0)
{
index = find_sb_string(list, type, nlines, selstr);
if (index != -1)
{
ppos = -1;
sel = pos = index;
selfound = 1;
}
else
{
selfound = 0;
}
}
}
else
{
wrong_key();
}
}
delete_popup(mywin);
myfree(dummy);
myfree(selstr);
return sel;
}