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-rw-r--r--tty.c142
1 files changed, 75 insertions, 67 deletions
diff --git a/tty.c b/tty.c
index 09db0516..7aa98552 100644
--- a/tty.c
+++ b/tty.c
@@ -1,4 +1,4 @@
-/* $Id: tty.c,v 1.89 2009-03-31 22:20:42 nicm Exp $ */
+/* $Id: tty.c,v 1.90 2009-04-01 18:21:42 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -30,9 +30,6 @@
void tty_fill_acs(struct tty *);
u_char tty_get_acs(struct tty *, u_char);
-void tty_emulate_repeat(
- struct tty *, enum tty_code_code, enum tty_code_code, u_int);
-
void tty_raw(struct tty *, const char *);
int tty_try_256(struct tty *, u_char, const char *);
@@ -383,7 +380,21 @@ tty_emulate_repeat(
}
void
-tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int oy)
+tty_draw_region(struct tty *tty, struct screen *s, u_int ox, u_int oy)
+{
+ u_int i;
+
+ if (s->old_cy < s->old_rupper || s->old_cy > s->old_rlower) {
+ for (i = s->old_cy; i < screen_size_y(s); i++)
+ tty_draw_line(tty, s, i, ox, oy);
+ } else {
+ for (i = s->old_rupper; i <= s->old_rlower; i++)
+ tty_draw_line(tty, s, i, ox, oy);
+ }
+}
+
+void
+tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int ox, u_int oy)
{
const struct grid_cell *gc;
const struct grid_utf8 *gu;
@@ -395,6 +406,7 @@ tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int oy)
if (sx > tty->sx)
sx = tty->sx;
+ tty_cursor(tty, 0, py, ox, oy);
for (i = 0; i < sx; i++) {
gc = grid_view_peek_cell(s->grid, i, py);
@@ -402,7 +414,6 @@ tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int oy)
if (gc->flags & GRID_FLAG_UTF8)
gu = grid_view_peek_utf8(s->grid, i, py);
- tty_cursor(tty, i, py, oy);
if (screen_check_selection(s, i, py)) {
s->sel.cell.data = gc->data;
tty_cell(tty, &s->sel.cell, gu);
@@ -414,7 +425,7 @@ tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int oy)
return;
tty_reset(tty);
- tty_cursor(tty, sx, py, oy);
+ tty_cursor(tty, sx, py, ox, oy);
if (screen_size_x(s) >= tty->sx && tty_term_has(tty->term, TTYC_EL))
tty_putcode(tty, TTYC_EL);
else {
@@ -449,8 +460,8 @@ tty_cmd_insertcharacter(struct tty *tty, struct window_pane *wp, va_list ap)
struct screen *s = wp->screen;
u_int ua;
- if (screen_size_x(s) < tty->sx) {
- tty_draw_line(tty, wp->screen, s->old_cy, wp->yoff);
+ if (wp->xoff != 0 || screen_size_x(s) < tty->sx) {
+ tty_draw_line(tty, wp->screen, s->old_cy, wp->xoff, wp->yoff);
return;
}
@@ -458,7 +469,7 @@ tty_cmd_insertcharacter(struct tty *tty, struct window_pane *wp, va_list ap)
tty_reset(tty);
- tty_cursor(tty, s->old_cx, s->old_cy, wp->yoff);
+ 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);
@@ -476,8 +487,8 @@ tty_cmd_deletecharacter(struct tty *tty, struct window_pane *wp, va_list ap)
struct screen *s = wp->screen;
u_int ua;
- if (screen_size_x(s) < tty->sx) {
- tty_draw_line(tty, wp->screen, s->old_cy, wp->yoff);
+ if (wp->xoff != 0 || screen_size_x(s) < tty->sx) {
+ tty_draw_line(tty, wp->screen, s->old_cy, wp->xoff, wp->yoff);
return;
}
@@ -485,7 +496,7 @@ tty_cmd_deletecharacter(struct tty *tty, struct window_pane *wp, va_list ap)
tty_reset(tty);
- tty_cursor(tty, s->old_cx, s->old_cy, wp->yoff);
+ tty_cursor(tty, s->old_cx, s->old_cy, wp->xoff, wp->yoff);
tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ua);
}
@@ -493,20 +504,15 @@ void
tty_cmd_insertline(struct tty *tty, struct window_pane *wp, va_list ap)
{
struct screen *s = wp->screen;
- u_int ua, i;
+ u_int ua;
- if (screen_size_x(s) < tty->sx || !tty_term_has(tty->term, TTYC_CSR)) {
+ if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
+ !tty_term_has(tty->term, TTYC_CSR)) {
/*
* Scroll region unsupported. Redraw using data from screen
* (already updated).
*/
- if (s->old_cy < s->old_rupper || s->old_cy > s->old_rlower) {
- for (i = s->old_cy; i < screen_size_y(s); i++)
- tty_draw_line(tty, wp->screen, i, wp->yoff);
- } else {
- for (i = s->old_rupper; i <= s->old_rlower; i++)
- tty_draw_line(tty, wp->screen, i, wp->yoff);
- }
+ tty_draw_region(tty, s, wp->xoff, wp->yoff);
return;
}
@@ -516,7 +522,7 @@ tty_cmd_insertline(struct tty *tty, struct window_pane *wp, va_list ap)
tty_region(tty, s->old_rupper, s->old_rlower, wp->yoff);
- tty_cursor(tty, s->old_cx, s->old_cy, wp->yoff);
+ tty_cursor(tty, s->old_cx, s->old_cy, wp->xoff, wp->yoff);
tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ua);
}
@@ -524,20 +530,15 @@ void
tty_cmd_deleteline(struct tty *tty, struct window_pane *wp, va_list ap)
{
struct screen *s = wp->screen;
- u_int ua, i;
+ u_int ua;
- if (screen_size_x(s) < tty->sx || !tty_term_has(tty->term, TTYC_CSR)) {
+ if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
+ !tty_term_has(tty->term, TTYC_CSR)) {
/*
* Scroll region unsupported. Redraw using data from screen
* (already updated).
*/
- if (s->old_cy < s->old_rupper || s->old_cy > s->old_rlower) {
- for (i = s->old_cy; i < screen_size_y(s); i++)
- tty_draw_line(tty, wp->screen, i, wp->yoff);
- } else {
- for (i = s->old_rupper; i <= s->old_rlower; i++)
- tty_draw_line(tty, wp->screen, i, wp->yoff);
- }
+ tty_draw_region(tty, s, wp->xoff, wp->yoff);
return;
}
@@ -547,7 +548,7 @@ tty_cmd_deleteline(struct tty *tty, struct window_pane *wp, va_list ap)
tty_region(tty, s->old_rupper, s->old_rlower, wp->yoff);
- tty_cursor(tty, s->old_cx, s->old_cy, wp->yoff);
+ tty_cursor(tty, s->old_cx, s->old_cy, wp->xoff, wp->yoff);
tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ua);
}
@@ -559,8 +560,9 @@ tty_cmd_clearline(struct tty *tty, struct window_pane *wp, unused va_list ap)
tty_reset(tty);
- tty_cursor(tty, 0, s->old_cy, wp->yoff);
- if (screen_size_x(s) >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
+ tty_cursor(tty, 0, s->old_cy, wp->xoff, wp->yoff);
+ if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
+ tty_term_has(tty->term, TTYC_EL)) {
tty_putcode(tty, TTYC_EL);
} else {
for (i = 0; i < screen_size_x(s); i++)
@@ -577,8 +579,9 @@ tty_cmd_clearendofline(
tty_reset(tty);
- tty_cursor(tty, s->old_cx, s->old_cy, wp->yoff);
- if (screen_size_x(s) >= tty->sx && tty_term_has(tty->term, TTYC_EL))
+ tty_cursor(tty, s->old_cx, s->old_cy, wp->xoff, wp->yoff);
+ if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
+ tty_term_has(tty->term, TTYC_EL))
tty_putcode(tty, TTYC_EL);
else {
for (i = s->old_cx; i < screen_size_x(s); i++)
@@ -595,11 +598,11 @@ tty_cmd_clearstartofline(
tty_reset(tty);
- if (tty_term_has(tty->term, TTYC_EL1)) {
- tty_cursor(tty, s->old_cx, s->old_cy, wp->yoff);
+ if (wp->xoff == 0 && tty_term_has(tty->term, TTYC_EL1)) {
+ tty_cursor(tty, s->old_cx, s->old_cy, wp->xoff, wp->yoff);
tty_putcode(tty, TTYC_EL1);
} else {
- tty_cursor(tty, 0, s->old_cy, wp->yoff);
+ tty_cursor(tty, 0, s->old_cy, wp->xoff, wp->yoff);
for (i = 0; i < s->old_cx + 1; i++)
tty_putc(tty, ' ');
}
@@ -611,15 +614,16 @@ tty_cmd_reverseindex(struct tty *tty, struct window_pane *wp, unused va_list ap)
struct screen *s = wp->screen;
u_int i;
- if (screen_size_x(s) < tty->sx || !tty_term_has(tty->term, TTYC_CSR)) {
+ if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
+ !tty_term_has(tty->term, TTYC_CSR)) {
/*
* Scroll region unsupported. If would have scrolled, redraw
* scroll region from already updated window screen.
*/
- if (s->old_cy == s->old_rupper) {
- for (i = s->old_rupper; i <= s->old_rlower; i++)
- tty_draw_line(tty, wp->screen, i, wp->yoff);
- }
+ if (s->old_cy != s->old_rupper)
+ return;
+ for (i = s->old_rupper; i <= s->old_rlower; i++)
+ tty_draw_line(tty, wp->screen, i, wp->xoff, wp->yoff);
return;
}
@@ -628,7 +632,7 @@ tty_cmd_reverseindex(struct tty *tty, struct window_pane *wp, unused va_list ap)
tty_region(tty, s->old_rupper, s->old_rlower, wp->yoff);
if (s->old_cy == s->old_rupper) {
- tty_cursor(tty, s->old_cx, s->old_rupper, wp->yoff);
+ tty_cursor(tty, s->old_cx, s->old_rupper, wp->xoff, wp->yoff);
tty_putcode(tty, TTYC_RI);
}
}
@@ -639,23 +643,24 @@ tty_cmd_linefeed(struct tty *tty, struct window_pane *wp, unused va_list ap)
struct screen *s = wp->screen;
u_int i;
- if (screen_size_x(s) < tty->sx || !tty_term_has(tty->term, TTYC_CSR)) {
+ if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
+ !tty_term_has(tty->term, TTYC_CSR)) {
/*
* Scroll region unsupported. If would have scrolled, redraw
* scroll region from already updated window screen.
*/
- if (s->old_cy == s->old_rlower) {
- for (i = s->old_rupper; i <= s->old_rlower; i++)
- tty_draw_line(tty, wp->screen, i, wp->yoff);
+ if (s->old_cy != s->old_rlower)
return;
- }
+ for (i = s->old_rupper; i <= s->old_rlower; i++)
+ tty_draw_line(tty, wp->screen, i, wp->xoff, wp->yoff);
+ return;
}
tty_reset(tty);
tty_region(tty, s->old_rupper, s->old_rlower, wp->yoff);
- tty_cursor(tty, s->old_cx, s->old_cy, wp->yoff);
+ tty_cursor(tty, s->old_cx, s->old_cy, wp->xoff, wp->yoff);
tty_putc(tty, '\n');
tty->cy++;
@@ -672,12 +677,13 @@ tty_cmd_clearendofscreen(
tty_reset(tty);
- tty_cursor(tty, s->old_cx, s->old_cy, wp->yoff);
+ tty_cursor(tty, s->old_cx, s->old_cy, wp->xoff, wp->yoff);
tty_region(tty, 0, screen_size_y(s) - 1, wp->yoff);
- if (screen_size_x(s) >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
+ if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
+ tty_term_has(tty->term, TTYC_EL)) {
tty_putcode(tty, TTYC_EL);
if (s->old_cy != screen_size_y(s) - 1) {
- tty_cursor(tty, 0, s->old_cy + 1, wp->yoff);
+ tty_cursor(tty, 0, s->old_cy + 1, wp->xoff, wp->yoff);
for (i = s->old_cy + 1; i < screen_size_y(s); i++) {
tty_putcode(tty, TTYC_EL);
if (i == screen_size_y(s) - 1)
@@ -690,7 +696,7 @@ tty_cmd_clearendofscreen(
for (i = s->old_cx; i < screen_size_x(s); i++)
tty_putc(tty, ' ');
for (j = s->old_cy; j < screen_size_y(s); j++) {
- tty_cursor(tty, 0, j, wp->yoff);
+ tty_cursor(tty, 0, j, wp->xoff, wp->yoff);
for (i = 0; i < screen_size_x(s); i++)
tty_putc(tty, ' ');
}
@@ -706,9 +712,10 @@ tty_cmd_clearstartofscreen(
tty_reset(tty);
- tty_cursor(tty, 0, 0, wp->yoff);
+ tty_cursor(tty, 0, 0, wp->xoff, wp->yoff);
tty_region(tty, 0, screen_size_y(s) - 1, wp->yoff);
- if (screen_size_x(s) >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
+ if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
+ tty_term_has(tty->term, TTYC_EL)) {
for (i = 0; i < s->old_cy; i++) {
tty_putcode(tty, TTYC_EL);
tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
@@ -716,7 +723,7 @@ tty_cmd_clearstartofscreen(
}
} else {
for (j = 0; j < s->old_cy; j++) {
- tty_cursor(tty, 0, j, wp->yoff);
+ tty_cursor(tty, 0, j, wp->xoff, wp->yoff);
for (i = 0; i < screen_size_x(s); i++)
tty_putc(tty, ' ');
}
@@ -734,9 +741,10 @@ tty_cmd_clearscreen(
tty_reset(tty);
- tty_cursor(tty, 0, 0, wp->yoff);
+ tty_cursor(tty, 0, 0, wp->xoff, wp->yoff);
tty_region(tty, 0, screen_size_y(s) - 1, wp->yoff);
- if (screen_size_x(s) >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
+ 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) {
@@ -746,7 +754,7 @@ tty_cmd_clearscreen(
}
} else {
for (j = 0; j < screen_size_y(s); j++) {
- tty_cursor(tty, 0, j, wp->yoff);
+ tty_cursor(tty, 0, j, wp->xoff, wp->yoff);
for (i = 0; i < screen_size_x(s); i++)
tty_putc(tty, ' ');
}
@@ -763,7 +771,7 @@ tty_cmd_cell(struct tty *tty, struct window_pane *wp, va_list ap)
gc = va_arg(ap, struct grid_cell *);
gu = va_arg(ap, struct grid_utf8 *);
- tty_cursor(tty, s->old_cx, s->old_cy, wp->yoff);
+ tty_cursor(tty, s->old_cx, s->old_cy, wp->xoff, wp->yoff);
tty_cell(tty, gc, gu);
}
@@ -851,13 +859,13 @@ tty_region(struct tty *tty, u_int rupper, u_int rlower, u_int oy)
}
void
-tty_cursor(struct tty *tty, u_int cx, u_int cy, u_int oy)
+tty_cursor(struct tty *tty, u_int cx, u_int cy, u_int ox, u_int oy)
{
- if (cx == 0 && tty->cx != 0 && tty->cy == oy + cy) {
+ if (ox + cx == 0 && tty->cx != 0 && tty->cy == oy + cy) {
tty->cx = 0;
tty_putc(tty, '\r');
- } else if (tty->cx != cx || tty->cy != oy + cy) {
- tty->cx = cx;
+ } else if (tty->cx != ox + cx || tty->cy != oy + cy) {
+ tty->cx = ox + cx;
tty->cy = oy + cy;
tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
}
generated by cgit (git 2.34.1) at 2025-06-26 03:15:30 +0000