void
tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
u_int i;
if (wp->xoff != 0 || screen_size_x(s) < tty->sx) {
tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
return;
}
tty_reset(tty);
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
if (tty_term_has(tty->term, TTYC_ICH) ||
tty_term_has(tty->term, TTYC_ICH1))
tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
else if (tty_term_has(tty->term, TTYC_SMIR) &&
tty_term_has(tty->term, TTYC_RMIR)) {
tty_putcode(tty, TTYC_SMIR);
for (i = 0; i < ctx->num; i++)
tty_putc(tty, ' ');
tty_putcode(tty, TTYC_RMIR);
} else
tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
}
/*
* Redraw scroll region using data from screen (already updated). Used when
* CSR not supported, or window is a pane that doesn't take up the full
* width of the terminal.
*/
void
tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
u_int i;
/*
* If region is >= 50% of the screen, just schedule a window redraw. In
* most cases, this is likely to be followed by some more scrolling -
* without this, the entire pane ends up being redrawn many times which
* can be much more data.
*/
if (ctx->orlower - ctx->orupper >= screen_size_y(s) / 2) {
wp->flags |= PANE_REDRAW;
return;
}
if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
for (i = ctx->ocy; i < screen_size_y(s); i++)
tty_draw_line(tty, s, i, wp->xoff, wp->yoff);
} else {
for (i = ctx->orupper; i <= ctx->orlower; i++)
tty_draw_line(tty, s, i, wp->xoff, wp->yoff);
}
}
void
tty_cmd_insertcharacter(struct tty *tty, struct window_pane *wp, va_list ap)
{
struct screen *s = wp->screen;
u_int ua;
if (wp->xoff != 0 || screen_size_x(s) < tty->sx) {
tty_draw_line(tty, wp->screen, s->old_cy, wp->xoff, wp->yoff);
return;
}
ua = va_arg(ap, u_int);
tty_reset(tty);
tty_cursor(tty, s->old_cx, s->old_cy, wp->xoff, wp->yoff);
if (tty_term_has(tty->term, TTYC_ICH) ||
tty_term_has(tty->term, TTYC_ICH1))
tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ua);
else {
tty_putcode(tty, TTYC_SMIR);
while (ua-- > 0)
tty_putc(tty, ' ');
tty_putcode(tty, TTYC_RMIR);
}
}
void
tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
/*
* Cannot rely on not being a partial character, so just redraw the
* whole line.
*/
tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
}
void
tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
if (!tty_pane_full_width(tty, ctx)) {
tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
return;
}
tty_reset(tty);
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
if (tty_term_has(tty->term, TTYC_ICH) ||
tty_term_has(tty->term, TTYC_ICH1))
tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
else
tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
}
/*
* Redraw scroll region using data from screen (already updated). Used when
* CSR not supported, or window is a pane that doesn't take up the full
* width of the terminal.
*/
void
tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
u_int i;
/*
* If region is large, schedule a window redraw. In most cases this is
* likely to be followed by some more scrolling.
*/
if (tty_large_region(tty, ctx)) {
wp->flags |= PANE_REDRAW;
return;
}
if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
for (i = ctx->ocy; i < screen_size_y(s); i++)
tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
} else {
for (i = ctx->orupper; i <= ctx->orlower; i++)
tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
}
}
void
tty_cmd_deletecharacter(struct tty *tty, struct window_pane *wp, va_list ap)
{
struct screen *s = wp->screen;
u_int ua;
if (wp->xoff != 0 || screen_size_x(s) < tty->sx) {
tty_draw_line(tty, wp->screen, s->old_cy, wp->xoff, wp->yoff);
return;
}
ua = va_arg(ap, u_int);
tty_reset(tty);
tty_cursor(tty, s->old_cx, s->old_cy, wp->xoff, wp->yoff);
tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ua);
}
void
tty_cmd_deletecharacter(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_DCH) &&
!tty_term_has(tty->term, TTYC_DCH1))) {
tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
return;
}
tty_reset(tty);
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
if (tty_term_has(tty->term, TTYC_DCH) ||
tty_term_has(tty->term, TTYC_DCH1))
tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
}
