void
tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
if (ctx->ocy != ctx->orlower)
return;
if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
!tty_term_has(tty->term, TTYC_CSR)) {
tty_redraw_region(tty, ctx);
return;
}
/*
* If this line wrapped naturally (ctx->num is nonzero), don't do
* anything - the cursor can just be moved to the last cell and wrap
* naturally.
*/
if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
return;
tty_reset(tty);
tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
tty_putc(tty, '\n');
}
void
tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
u_int i, j;
tty_reset(tty);
tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
tty_cursor_pane(tty, ctx, 0, 0);
if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
tty_term_has(tty->term, TTYC_EL)) {
for (i = 0; i < screen_size_y(s); i++) {
tty_putcode(tty, TTYC_EL);
if (i != screen_size_y(s) - 1) {
tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
tty->cy++;
}
}
} else {
for (j = 0; j < screen_size_y(s); j++) {
tty_cursor_pane(tty, ctx, 0, j);
for (i = 0; i < screen_size_x(s); i++)
tty_putc(tty, ' ');
}
}
}
void
tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
u_int i, j;
tty_reset(tty);
tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
tty_putcode(tty, TTYC_EL);
if (ctx->ocy != screen_size_y(s) - 1) {
tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
tty_putcode(tty, TTYC_EL);
if (i == screen_size_y(s) - 1)
continue;
tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
tty->cy++;
}
}
} else {
tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
tty_cursor_pane(tty, ctx, 0, j);
tty_repeat_space(tty, screen_size_x(s));
}
}
}
void
tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
u_int i, j;
tty_reset(tty);
tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
tty_cursor_pane(tty, ctx, 0, 0);
if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
for (i = 0; i < ctx->ocy; i++) {
tty_putcode(tty, TTYC_EL);
tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
tty->cy++;
}
} else {
for (j = 0; j < ctx->ocy; j++) {
tty_cursor_pane(tty, ctx, 0, j);
tty_repeat_space(tty, screen_size_x(s));
}
}
tty_repeat_space(tty, ctx->ocx + 1);
}
void
tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
u_int cx;
tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
/* Is the cursor in the very last position? */
if (ctx->ocx > wp->sx - ctx->last_width) {
if (wp->xoff != 0 || wp->sx != tty->sx) {
/*
* The pane doesn't fill the entire line, the linefeed
* will already have happened, so just move the cursor.
*/
tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
} else if (tty->cx < tty->sx) {
/*
* The cursor isn't in the last position already, so
* move as far left as possinble and redraw the last
* cell to move into the last position.
*/
cx = screen_size_x(s) - ctx->last_width;
tty_cursor_pane(tty, ctx, cx, ctx->ocy);
tty_cell(tty, &ctx->last_cell, &ctx->last_utf8);
}
} else
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
tty_cell(tty, ctx->cell, ctx->utf8);
}
void
tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
u_int i, j;
tty_reset(tty);
tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
for (j = 0; j < screen_size_y(s); j++) {
tty_cursor_pane(tty, ctx, 0, j);
for (i = 0; i < screen_size_x(s); i++)
tty_putc(tty, 'E');
}
}
void
tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
{
if (!tty_pane_full_width(tty, ctx) ||
!tty_term_has(tty->term, TTYC_CSR) ||
!tty_term_has(tty->term, TTYC_DL1)) {
tty_redraw_region(tty, ctx);
return;
}
tty_reset(tty);
tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
}
void
tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
u_int cx;
u_int width;
const struct grid_cell *gc = ctx->cell;
const struct grid_utf8 *gu = ctx->utf8;
if (gc->flags & GRID_FLAG_UTF8)
width = gu->width;
else
width = 1;
tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
/* Is the cursor in the very last position? */
if (ctx->ocx > wp->sx - width) {
if (ctx->xoff != 0 || wp->sx != tty->sx) {
/*
* The pane doesn't fill the entire line, the linefeed
* will already have happened, so just move the cursor.
*/
if (ctx->ocy != wp->yoff + wp->screen->rlower)
tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
else
tty_cursor_pane(tty, ctx, 0, ctx->ocy);
} else if (tty->cx < tty->sx) {
/*
* The cursor isn't in the last position already, so
* move as far left as possible and redraw the last
* cell to move into the last position.
*/
if (ctx->last_cell.flags & GRID_FLAG_UTF8)
cx = screen_size_x(s) - ctx->last_utf8.width;
else
cx = screen_size_x(s) - 1;
tty_cursor_pane(tty, ctx, cx, ctx->ocy);
tty_cell(tty, &ctx->last_cell, &ctx->last_utf8);
}
} else
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
tty_cell(tty, ctx->cell, ctx->utf8);
}
void
tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
!tty_term_has(tty->term, TTYC_CSR) ||
!tty_term_has(tty->term, TTYC_DL1)) {
tty_redraw_region(tty, ctx);
return;
}
tty_reset(tty);
tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
}
void
tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
{
if (ctx->ocy != ctx->orupper)
return;
if (!tty_pane_full_width(tty, ctx) ||
!tty_term_has(tty->term, TTYC_CSR) ||
!tty_term_has(tty->term, TTYC_RI)) {
tty_redraw_region(tty, ctx);
return;
}
tty_reset(tty);
tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
tty_putcode(tty, TTYC_RI);
}
void
tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
if (ctx->ocy != ctx->orlower)
return;
if (!tty_pane_full_width(tty, ctx) ||
!tty_term_has(tty->term, TTYC_CSR)) {
if (tty_large_region(tty, ctx))
wp->flags |= PANE_REDRAW;
else if (tty_use_rect(tty)) {
tty_cra_pane (tty, ctx, ctx->orupper + 1, 0,
ctx->orlower, screen_size_x(s) - 1,
ctx->orupper, 0);
tty_cmd_clearline(tty, ctx);
} else
tty_redraw_region(tty, ctx);
return;
}
/*
* If this line wrapped naturally (ctx->num is nonzero), don't do
* anything - the cursor can just be moved to the last cell and wrap
* naturally.
*/
if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
return;
tty_reset(tty);
tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
tty_putc(tty, '\n');
}
void
tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
if (ctx->ocy != ctx->orupper)
return;
if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
!tty_term_has(tty->term, TTYC_CSR) ||
!tty_term_has(tty->term, TTYC_RI)) {
tty_redraw_region(tty, ctx);
return;
}
tty_reset(tty);
tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
tty_putcode(tty, TTYC_RI);
}
