void tui_display_window(int x, int y, int width, int height,
int foreground_color, int background_color,
const char *title, tui_area_t *backing_store)
{
int i;
if (backing_store != NULL) {
/* 2 more chars on right, 1 more on bottom because of the "shadow". */
tui_area_get(backing_store, x, y, width + 2, height + 1);
}
tui_make_shadow(x + 2, y + 1, width, height);
tui_set_attr(foreground_color, background_color, 0);
tui_put_char(x, y, 0xc9);
tui_hline(x + 1, y, 0xcd, width - 2);
tui_put_char(x + width - 1, y, 0xbb);
tui_put_char(x, y + height - 1, 0xc8);
tui_hline(x + 1, y + height - 1, 0xcd, width - 2);
tui_put_char(x + width - 1, y + height - 1, 0xbc);
for (i = 0; i < height - 2; i++) {
tui_put_char(x, y + i + 1, 0xba);
tui_hline(x + 1, y + i + 1, ' ', width - 2);
tui_put_char(x + width - 1, y + i + 1, 0xba);
}
if (!util_check_null_string(title)) {
int title_x, title_length;
title_length = strlen(title);
title_x = x + (width - title_length - 4) / 2;
tui_display(title_x, y, 0, "\x10 %s \x11", title);
}
}
/* FIXME: documentation. */
char *tui_file_selector(const char *title, const char *directory,
const char *pattern, const char *default_item,
read_contents_func_type contents_func,
char **browse_file_return,
unsigned int *browse_file_number_return)
{
static char *return_path = NULL;
struct file_list *fl;
int curr_item, first_item, need_update;
int x, y, width, height, num_cols, num_lines, field_width;
int num_files;
char str[0x100];
int str_len = 0;
tui_area_t backing_store = NULL;
if (contents_func != NULL) {
*browse_file_return = NULL;
}
if (browse_file_number_return != NULL) {
*browse_file_number_return = 0;
}
if (directory != NULL) {
return_path = lib_stralloc(directory);
} else {
return_path = ioutil_current_dir();
}
slashize_path(&return_path);
fl = file_list_read(return_path, pattern);
if (fl == NULL) {
return NULL;
}
first_item = curr_item = 0;
num_cols = 4;
field_width = 18;
num_lines = 17;
height = num_lines + 2;
width = field_width * num_cols + 4;
num_files = num_cols * num_lines;
if (default_item != NULL && *default_item) {
int i;
for (i = 0; i < fl->num_items; i++) {
if (!strcasecmp(default_item, fl->items[i].name)) {
curr_item = i;
while (curr_item - first_item >= num_files) {
first_item += num_lines;
}
break;
}
}
}
x = CENTER_X(width);
y = CENTER_Y(height);
need_update = 1;
tui_area_get(&backing_store, x, y, width + 2, height + 1);
tui_display_window(x, y, width, height, MENU_BORDER, MENU_BACK, title, NULL);
while (1) {
int key;
tui_set_attr(MENU_FORE, MENU_BACK, 0);
if (need_update) {
file_selector_display_path(return_path, x + 1, y + height - 1, width - 2);
file_selector_update(fl, first_item, x + 2, y + 1, field_width, num_lines, num_cols);
tui_set_attr(FIRST_LINE_FORE, FIRST_LINE_BACK, 0);
tui_display(0, tui_num_lines() - 1, tui_num_cols(), "\030\031\033\032: Move <Enter>: Select %s<Alt>-<letter>: Change drive", contents_func != NULL ? "<Space>: Preview " : "");
need_update = 0;
}
tui_set_attr(MENU_FORE, MENU_HIGHLIGHT, 0);
file_selector_display_item(fl, curr_item, first_item, x + 2, y + 1, field_width, num_lines, num_cols);
key = getkey();
tui_set_attr(MENU_FORE, MENU_BACK, 0);
file_selector_display_item(fl, curr_item, first_item, x + 2, y + 1, field_width, num_lines, num_cols);
switch (key) {
case K_Escape:
tui_area_put(backing_store, x, y);
tui_area_free(backing_store);
return NULL;
case K_Left:
str_len = 0;
if (curr_item - num_lines >= 0) {
curr_item -= num_lines;
if (curr_item < first_item) {
if (first_item >= num_lines) {
first_item -= num_lines;
need_update = 1;
} else {
curr_item += num_lines;
}
}
}
break;
case K_Up:
str_len = 0;
if (curr_item > 0) {
curr_item--;
if (curr_item < first_item) {
first_item = curr_item;
need_update = 1;
}
}
break;
case K_Right:
str_len = 0;
if (curr_item + num_lines < fl->num_used_items) {
curr_item += num_lines;
if (curr_item - first_item >= num_files) {
first_item += num_lines;
need_update = 1;
}
}
break;
case K_Down:
str_len = 0;
if (curr_item < fl->num_used_items - 1) {
curr_item++;
if (curr_item == first_item + num_files) {
first_item++;
need_update = 1;
}
}
break;
case K_PageDown:
str_len = 0;
if (curr_item + num_files < fl->num_used_items) {
curr_item += num_files;
first_item += num_files;
}
need_update = 1;
break;
case K_PageUp:
str_len = 0;
if (curr_item - num_files >= 0) {
curr_item -= num_files;
first_item -= num_files;
if (first_item < 0) {
first_item = 0;
}
need_update = 1;
}
break;
case K_Home:
str_len = 0;
curr_item = 0;
if (first_item != 0) {
first_item = 0;
need_update = 1;
}
break;
case K_End:
str_len = 0;
curr_item = fl->num_used_items - 1;
first_item = curr_item - num_files + 1;
if (first_item < 0) {
first_item = 0;
}
need_update = 1;
break;
case K_Return:
str_len = 0;
if (fl->items[curr_item].type == FT_DIR) {
struct file_list *new_fl;
char *new_path;
new_path = change_path(fl, return_path, curr_item);
new_fl = file_list_read(new_path, pattern);
if (new_fl != NULL) {
file_list_free(fl);
fl = new_fl;
first_item = curr_item = 0;
lib_free(return_path);
return_path = new_path;
need_update = 1;
ioutil_chdir(return_path);
} else {
lib_free(new_path);
}
} else {
char *p = util_concat(return_path, fl->items[curr_item].name, NULL);
lib_free(return_path);
return_path = p;
tui_area_put(backing_store, x, y);
tui_area_free(backing_store);
return return_path;
}
break;
case K_BackSpace:
if (str_len > 1) {
int n;
str_len--;
n = file_list_find(fl, str, str_len);
if (n >= 0) {
curr_item = n;
if (curr_item < first_item) {
first_item = curr_item;
need_update = 1;
} else if (first_item + num_files <= curr_item) {
first_item = curr_item - num_files + 1;
need_update = 1;
}
}
} else {
str_len = 0;
curr_item = 0;
if (first_item != 0) {
first_item = 0;
need_update = 1;
}
}
break;
case ' ':
if (contents_func != NULL && fl->items[curr_item].type != FT_DIR && browse_file_return != NULL) {
tui_display(0, tui_num_lines() - 1, tui_num_cols(), "");
*browse_file_return = tui_image_browser(fl->items[curr_item].name, contents_func, browse_file_number_return);
if (*browse_file_return != NULL) {
char *p = util_concat(return_path, fl->items[curr_item].name, NULL);
lib_free(return_path);
return_path = p;
tui_area_put(backing_store, x, y);
tui_area_free(backing_store);
return return_path;
}
need_update = 1;
break;
} else {
tui_beep();
}
default:
{
int drive_num;
drive_num = alt_key_to_drive_num(key);
if (drive_num > 0) {
/* `A-a' ... `A-z' change the current drive. */
int num_available_drives;
int current_drive;
_dos_getdrive(¤t_drive);
_dos_setdrive(current_drive, &num_available_drives);
if (drive_num <= num_available_drives) {
char *new_path;
/* FIXME: This is a hack... Maybe there is a cleaner
way to do it, but for now I just don't know. */
_dos_setdrive(drive_num, &num_available_drives);
new_path = ioutil_current_dir();
if (new_path != NULL) {
slashize_path(&new_path);
_dos_setdrive(current_drive, &num_available_drives);
if (new_path != NULL) {
struct file_list *new_fl;
new_fl = file_list_read(new_path, pattern);
if (new_fl != NULL) {
file_list_free(fl);
fl = new_fl;
first_item = curr_item = 0;
lib_free(return_path);
return_path = new_path;
need_update = 1;
ioutil_chdir(return_path);
} else {
lib_free(new_path);
}
}
} else {
_dos_setdrive(current_drive, &num_available_drives);
tui_beep();
}
} else {
tui_beep();
}
} else if (isprint(key) && str_len < 0x100) {
int n;
str[str_len] = key;
n = file_list_find(fl, str, str_len + 1);
if (n < 0) {
tui_beep();
} else {
str_len++;
curr_item = n;
if (curr_item < first_item) {
first_item = curr_item;
need_update = 1;
} else if (first_item + num_files <= curr_item) {
first_item = curr_item - num_files + 1;
need_update = 1;
}
}
}
}
break;
}
}
}
