static void tinput_display_prompt(tinput_t *ti)
{
tinput_console_set_lpos(ti, ti->prompt_coord);
console_set_style(ti->console, STYLE_EMPHASIS);
printf("%s", ti->prompt);
console_flush(ti->console);
console_set_style(ti->console, STYLE_NORMAL);
}
/** Display text in the status line. */
static void status_display(char const *str)
{
console_set_pos(con, 0, scr_rows - 1);
console_set_style(con, STYLE_INVERTED);
int pos = -(scr_columns - 3);
printf(" %*s ", pos, str);
console_flush(con);
console_set_style(con, STYLE_NORMAL);
pane.rflags |= REDRAW_CARET;
}
static void tinput_display_tail(tinput_t *ti, size_t start, size_t pad)
{
wchar_t *dbuf = malloc((INPUT_MAX_SIZE + 1) * sizeof(wchar_t));
if (!dbuf)
return;
size_t sa;
size_t sb;
tinput_sel_get_bounds(ti, &sa, &sb);
tinput_console_set_lpos(ti, ti->text_coord + start);
console_set_style(ti->console, STYLE_NORMAL);
size_t p = start;
if (p < sa) {
memcpy(dbuf, ti->buffer + p, (sa - p) * sizeof(wchar_t));
dbuf[sa - p] = '\0';
printf("%ls", dbuf);
p = sa;
}
if (p < sb) {
console_flush(ti->console);
console_set_style(ti->console, STYLE_SELECTED);
memcpy(dbuf, ti->buffer + p,
(sb - p) * sizeof(wchar_t));
dbuf[sb - p] = '\0';
printf("%ls", dbuf);
p = sb;
}
console_flush(ti->console);
console_set_style(ti->console, STYLE_NORMAL);
if (p < ti->nc) {
memcpy(dbuf, ti->buffer + p,
(ti->nc - p) * sizeof(wchar_t));
dbuf[ti->nc - p] = '\0';
printf("%ls", dbuf);
}
for (p = 0; p < pad; p++)
putchar(' ');
console_flush(ti->console);
free(dbuf);
}
static void waitprompt(void)
{
console_set_pos(console, 0, console_rows-1);
console_set_color(console, COLOR_WHITE, COLOR_BLUE, 0);
printf("ENTER/SPACE/PAGE DOWN - next page, "
"ESC/Q - quit, C - continue unpaged");
fflush(stdout);
console_set_style(console, STYLE_NORMAL);
}
/** Display pane status in the status line. */
static void pane_status_display(void)
{
spt_t caret_pt;
coord_t coord;
tag_get_pt(&pane.caret_pos, &caret_pt);
spt_get_coord(&caret_pt, &coord);
const char *fname = (doc.file_name != NULL) ? doc.file_name : "<unnamed>";
console_set_pos(con, 0, scr_rows - 1);
console_set_style(con, STYLE_INVERTED);
int n = printf(" %d, %d: File '%s'. Ctrl-Q Quit Ctrl-S Save "
"Ctrl-E Save As", coord.row, coord.column, fname);
int pos = scr_columns - 1 - n;
printf("%*s", pos, "");
console_flush(con);
console_set_style(con, STYLE_NORMAL);
pane.rflags |= REDRAW_CARET;
}
static void pane_row_range_display(int r0, int r1)
{
int i, j, fill;
spt_t rb, re, dep, pt;
coord_t rbc, rec;
char row_buf[ROW_BUF_SIZE];
wchar_t c;
size_t pos, size;
int s_column;
coord_t csel_start, csel_end, ctmp;
/* Determine selection start and end. */
tag_get_pt(&pane.sel_start, &pt);
spt_get_coord(&pt, &csel_start);
tag_get_pt(&pane.caret_pos, &pt);
spt_get_coord(&pt, &csel_end);
if (coord_cmp(&csel_start, &csel_end) > 0) {
ctmp = csel_start;
csel_start = csel_end;
csel_end = ctmp;
}
/* Draw rows from the sheet. */
console_set_pos(con, 0, 0);
for (i = r0; i < r1; ++i) {
/* Starting point for row display */
rbc.row = pane.sh_row + i;
rbc.column = pane.sh_column;
sheet_get_cell_pt(&doc.sh, &rbc, dir_before, &rb);
/* Ending point for row display */
rec.row = pane.sh_row + i;
rec.column = pane.sh_column + pane.columns;
sheet_get_cell_pt(&doc.sh, &rec, dir_before, &re);
/* Copy the text of the row to the buffer. */
sheet_copy_out(&doc.sh, &rb, &re, row_buf, ROW_BUF_SIZE, &dep);
/* Display text from the buffer. */
if (coord_cmp(&csel_start, &rbc) <= 0 &&
coord_cmp(&rbc, &csel_end) < 0) {
console_flush(con);
console_set_style(con, STYLE_SELECTED);
console_flush(con);
}
console_set_pos(con, 0, i);
size = str_size(row_buf);
pos = 0;
s_column = pane.sh_column;
while (pos < size) {
if ((csel_start.row == rbc.row) && (csel_start.column == s_column)) {
console_flush(con);
console_set_style(con, STYLE_SELECTED);
console_flush(con);
}
if ((csel_end.row == rbc.row) && (csel_end.column == s_column)) {
console_flush(con);
console_set_style(con, STYLE_NORMAL);
console_flush(con);
}
c = str_decode(row_buf, &pos, size);
if (c != '\t') {
printf("%lc", (wint_t) c);
s_column += 1;
} else {
fill = 1 + ALIGN_UP(s_column, TAB_WIDTH)
- s_column;
for (j = 0; j < fill; ++j)
putchar(' ');
s_column += fill;
}
}
if ((csel_end.row == rbc.row) && (csel_end.column == s_column)) {
console_flush(con);
console_set_style(con, STYLE_NORMAL);
console_flush(con);
}
/* Fill until the end of display area. */
if (str_length(row_buf) < (unsigned) scr_columns)
fill = scr_columns - str_length(row_buf);
else
fill = 0;
for (j = 0; j < fill; ++j)
putchar(' ');
console_flush(con);
console_set_style(con, STYLE_NORMAL);
}
pane.rflags |= REDRAW_CARET;
}
/** Ask for a file name. */
static char *filename_prompt(char const *prompt, char const *init_value)
{
kbd_event_t ev;
char *str;
wchar_t buffer[INFNAME_MAX_LEN + 1];
int max_len;
int nc;
bool done;
asprintf(&str, "%s: %s", prompt, init_value);
status_display(str);
console_set_pos(con, 1 + str_length(str), scr_rows - 1);
free(str);
console_set_style(con, STYLE_INVERTED);
max_len = min(INFNAME_MAX_LEN, scr_columns - 4 - str_length(prompt));
str_to_wstr(buffer, max_len + 1, init_value);
nc = wstr_length(buffer);
done = false;
while (!done) {
console_get_kbd_event(con, &ev);
if (ev.type == KEY_PRESS) {
/* Handle key press. */
if (((ev.mods & KM_ALT) == 0) &&
(ev.mods & KM_CTRL) != 0) {
;
} else if ((ev.mods & (KM_CTRL | KM_ALT)) == 0) {
switch (ev.key) {
case KC_ESCAPE:
return NULL;
case KC_BACKSPACE:
if (nc > 0) {
putchar('\b');
console_flush(con);
--nc;
}
break;
case KC_ENTER:
done = true;
break;
default:
if (ev.c >= 32 && nc < max_len) {
putchar(ev.c);
console_flush(con);
buffer[nc++] = ev.c;
}
break;
}
}
}
}
buffer[nc] = '\0';
str = wstr_to_astr(buffer);
console_set_style(con, STYLE_NORMAL);
return str;
}
static void resume_normal(void)
{
console_flush(console);
console_set_style(console, STYLE_NORMAL);
}