void tui_view_text(int width, int height, const char *title, const char *text)
{
const char *p;
int x, y, i;
int need_update = 1;
tui_area_t backing_store = NULL;
x = CENTER_X(width);
y = CENTER_Y(height);
tui_display_window(x, y, width, height, MESSAGE_BORDER, MESSAGE_BACK,
title, &backing_store);
tui_set_attr(MESSAGE_BORDER, MESSAGE_BACK, 0);
tui_put_char(x + width - 1, y + 1, 0x1e); /* Up arrow */
tui_put_char(x + width - 1, y + height - 2, 0x1f); /* Down arrow */
for (i = y + 2; i < y + height - 2; i++)
tui_put_char(x + width - 1, i, 0xb1);
tui_set_attr(MESSAGE_FORE, MESSAGE_BACK, 0);
p = text;
while (1) {
int key;
if (need_update) {
tui_display_text(x + 2, y + 1, width - 4, height - 2, p);
need_update = 0;
}
key = getkey();
switch (key) {
case K_Escape:
case K_Return:
tui_area_put(backing_store, x, y);
tui_area_free(backing_store);
return;
case K_Up:
case K_Left:
p = util_find_prev_line(text, p);
need_update = 1;
break;
case K_Down:
case K_Right:
p = util_find_next_line(p);
need_update = 1;
break;
case K_PageDown:
for (i = 0; i < height - 3; i++)
p = util_find_next_line(p);
need_update = 1;
break;
case K_PageUp:
for (i = 0; i < height - 3; i++)
p = util_find_prev_line(text, p);
need_update = 1;
break;
}
}
}
void tui_display_text(int x, int y, int width, int height, const char *text)
{
const char *p = text;
int i, j;
for (j = 0; j < height; j++) {
for (i = 0; i < width; i++) {
if (*p != '\n' && *p != '\0') {
tui_put_char(x + i, y + j, *p);
p++;
} else {
tui_put_char(x + i, y + j, ' ');
}
}
if (*p == '\n')
p++;
}
}
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);
}
}
static void file_selector_display_path(const char *path, int x, int y, int width)
{
int i, xx;
tui_set_attr(MENU_BORDER, MENU_BACK, 0);
tui_hline(x, y, 0xcd, width);
tui_set_attr(MENU_FORE, MENU_BACK, 0);
for (i = strlen(path) - 1, xx = MIN(x + width - 1, x + i); i >= 0 && xx >= x; i--, xx--) {
char c;
/* Display ellipsis on the left if longer than the line. */
if (xx <= x + 1 && i > 1) {
c = '.';
} else {
c = path[i] == '/' ? '\\' : path[i];
}
tui_put_char(xx, y, c);
}
}
