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Use DECFRA on VT420 compatible terminals (so, xterm) and ED on all

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others for clearing panes.
This commit is contained in:
nicm 2017-02-06 22:05:11 +00:00
parent 68e04907de
commit d60e585d9e
4 changed files with 84 additions and 22 deletions
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1
input.c
View File

@ -87,6 +87,7 @@ struct input_ctx {
struct utf8_data utf8data;
int ch;
int flags;
#define INPUT_DISCARD 0x1

1
tmux.h
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@ -240,6 +240,7 @@ enum tty_code_code {
TTYC_DL1, /* delete_line, dl */
TTYC_E3,
TTYC_ECH, /* erase_chars, ec */
TTYC_ED, /* csr_eos, cd */
TTYC_EL, /* clr_eol, ce */
TTYC_EL1, /* clr_bol, cb */
TTYC_ENACS, /* ena_acs, eA */

1
tty-term.c
View File

@ -84,6 +84,7 @@ static const struct tty_term_code_entry tty_term_codes[] = {
[TTYC_DL1] = { TTYCODE_STRING, "dl1" },
[TTYC_E3] = { TTYCODE_STRING, "E3" },
[TTYC_ECH] = { TTYCODE_STRING, "ech" },
[TTYC_ED] = { TTYCODE_STRING, "ed" },
[TTYC_EL] = { TTYCODE_STRING, "el" },
[TTYC_EL1] = { TTYCODE_STRING, "el1" },
[TTYC_ENACS] = { TTYCODE_STRING, "enacs" },

103
tty.c
View File

@ -64,6 +64,8 @@ static int tty_large_region(struct tty *, const struct tty_ctx *);
static int tty_fake_bce(const struct tty *, const struct window_pane *,
u_int);
static void tty_redraw_region(struct tty *, const struct tty_ctx *);
static void tty_clear_area(struct tty *, const struct tty_ctx *ctx, u_int,
u_int, u_int, u_int);
static void tty_emulate_repeat(struct tty *, enum tty_code_code,
enum tty_code_code, u_int);
static void tty_repeat_space(struct tty *, u_int);
@ -79,7 +81,7 @@ static void tty_default_attributes(struct tty *, const struct window_pane *,
#define tty_use_margin(tty) \
((tty)->term_type == TTY_VT420)
#define tty_pane_full_width(tty, ctx) \
#define tty_pane_full_width(tty, ctx) \
((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
void
@ -685,6 +687,17 @@ tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
}
}
static void
tty_clear_area(struct tty *tty, const struct tty_ctx *ctx, u_int sx, u_int sy,
u_int ex, u_int ey)
{
char s[64];
snprintf (s, sizeof s, "\033[32;%u;%u;%u;%u$x", ctx->yoff + sy + 1,
ctx->xoff + sx + 1, ctx->yoff + ey + 1, ctx->xoff + ex + 1);
tty_puts(tty, s);
}
void
tty_draw_pane(struct tty *tty, const struct window_pane *wp, u_int py, u_int ox,
u_int oy)
@ -898,6 +911,7 @@ tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
u_int sx = screen_size_x(s);
tty_default_attributes(tty, wp, ctx->bg);
@ -907,8 +921,11 @@ tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
!tty_fake_bce(tty, wp, ctx->bg) &&
tty_term_has(tty->term, TTYC_EL))
tty_putcode(tty, TTYC_EL);
else if (tty->term_type == TTY_VT420 &&
!tty_fake_bce(tty, wp, ctx->bg))
tty_clear_area(tty, ctx, 0, ctx->ocy, sx - 1, ctx->ocy);
else
tty_repeat_space(tty, screen_size_x(s));
tty_repeat_space(tty, sx);
}
void
@ -916,6 +933,7 @@ tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
u_int sx = screen_size_x(s);
tty_default_attributes(tty, wp, ctx->bg);
@ -925,8 +943,11 @@ tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
tty_term_has(tty->term, TTYC_EL) &&
!tty_fake_bce(tty, wp, ctx->bg))
tty_putcode(tty, TTYC_EL);
else if (tty->term_type == TTY_VT420 &&
!tty_fake_bce(tty, wp, ctx->bg))
tty_clear_area(tty, ctx, ctx->ocx, ctx->ocy, sx - 1, ctx->ocy);
else
tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
tty_repeat_space(tty, sx - ctx->ocx);
}
void
@ -941,7 +962,10 @@ tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
!tty_fake_bce(tty, ctx->wp, ctx->bg)) {
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
tty_putcode(tty, TTYC_EL1);
} else {
} else if (tty->term_type == TTY_VT420 &&
!tty_fake_bce(tty, wp, ctx->bg))
tty_clear_area(tty, ctx, 0, ctx->ocy, ctx->ocx, ctx->ocy);
else {
tty_cursor_pane(tty, ctx, 0, ctx->ocy);
tty_repeat_space(tty, ctx->ocx + 1);
}
@ -1023,32 +1047,51 @@ 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;
u_int sx = screen_size_x(s), sy = screen_size_y(s);
tty_default_attributes(tty, wp, ctx->bg);
tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
tty_region_pane(tty, ctx, 0, sy - 1);
tty_margin_off(tty);
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
if (tty_pane_full_width(tty, ctx) &&
status_at_line(tty->client) <= 0 &&
tty_term_has(tty->term, TTYC_ED)) {
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
tty_putcode(tty, TTYC_ED);
} else if (tty->term_type == TTY_VT420 &&
!tty_fake_bce(tty, wp, ctx->bg)) {
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);
else
tty_repeat_space(tty, sx - ctx->ocx);
if (ctx->ocy != sy - 1) {
tty_clear_area(tty, ctx, 0, ctx->ocy + 1, sx - 1,
sy - 1);
}
} else if (tty_pane_full_width(tty, ctx) &&
tty_term_has(tty->term, TTYC_EL) &&
!tty_fake_bce(tty, wp, ctx->bg)) {
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
tty_putcode(tty, TTYC_EL);
if (ctx->ocy != screen_size_y(s) - 1) {
if (ctx->ocy != sy - 1) {
tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
for (i = ctx->ocy + 1; i < sy; i++) {
tty_putcode(tty, TTYC_EL);
if (i == screen_size_y(s) - 1)
if (i == sy - 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, ctx->ocx, ctx->ocy);
tty_repeat_space(tty, sx - ctx->ocx);
for (j = ctx->ocy + 1; j < sy; j++) {
tty_cursor_pane(tty, ctx, 0, j);
tty_repeat_space(tty, screen_size_x(s));
tty_repeat_space(tty, sx);
}
}
}
@ -1059,27 +1102,33 @@ 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;
u_int sx = screen_size_x(s), sy = screen_size_y(s);
tty_default_attributes(tty, wp, ctx->bg);
tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
tty_region_pane(tty, ctx, 0, sy - 1);
tty_margin_off(tty);
tty_cursor_pane(tty, ctx, 0, 0);
if (tty_pane_full_width(tty, ctx) &&
if (tty->term_type == TTY_VT420 &&
!tty_fake_bce(tty, wp, ctx->bg))
tty_clear_area(tty, ctx, 0, 0, sx - 1, ctx->ocy - 1);
else if (tty_pane_full_width(tty, ctx) &&
tty_term_has(tty->term, TTYC_EL) &&
!tty_fake_bce(tty, wp, ctx->bg)) {
tty_cursor_pane(tty, ctx, 0, 0);
for (i = 0; i < ctx->ocy; i++) {
tty_putcode(tty, TTYC_EL);
tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
tty->cy++;
}
} else {
tty_cursor_pane(tty, ctx, 0, 0);
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, sx);
}
}
tty_cursor_pane(tty, ctx, 0, ctx->ocy);
tty_repeat_space(tty, ctx->ocx + 1);
}
@ -1089,27 +1138,37 @@ 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;
u_int sx = screen_size_x(s), sy = screen_size_y(s);
tty_default_attributes(tty, wp, ctx->bg);
tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
tty_region_pane(tty, ctx, 0, sy - 1);
tty_margin_off(tty);
tty_cursor_pane(tty, ctx, 0, 0);
if (tty_pane_full_width(tty, ctx) &&
status_at_line(tty->client) <= 0 &&
tty_term_has(tty->term, TTYC_ED)) {
tty_cursor_pane(tty, ctx, 0, 0);
tty_putcode(tty, TTYC_ED);
} else if (tty->term_type == TTY_VT420 &&
!tty_fake_bce(tty, wp, ctx->bg))
tty_clear_area(tty, ctx, 0, 0, sx - 1, sy - 1);
else if (tty_pane_full_width(tty, ctx) &&
tty_term_has(tty->term, TTYC_EL) &&
!tty_fake_bce(tty, wp, ctx->bg)) {
for (i = 0; i < screen_size_y(s); i++) {
tty_cursor_pane(tty, ctx, 0, 0);
for (i = 0; i < sy; i++) {
tty_putcode(tty, TTYC_EL);
if (i != screen_size_y(s) - 1) {
if (i != sy - 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, 0);
for (j = 0; j < sy; j++) {
tty_cursor_pane(tty, ctx, 0, j);
tty_repeat_space(tty, screen_size_x(s));
tty_repeat_space(tty, sx);
}
}
}