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More tty code tidying: move the saved cursor/region position (from before the

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screen was updated) out of struct screen and into struct tty_ctx.
This commit is contained in:
Nicholas Marriott
2009-07-22 20:53:38 +00:00
parent bb4bab4c26
commit ddad0be5f7
4 changed files with 126 additions and 132 deletions
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108
screen-write.c
View File

@@ -22,7 +22,7 @@
#include "tmux.h"
void screen_write_save(struct screen_write_ctx *);
void screen_write_initctx(struct screen_write_ctx *, struct tty_ctx *);
void screen_write_overwrite(struct screen_write_ctx *);
/* Initialise writing with a window. */
@@ -210,17 +210,19 @@ screen_write_copy(struct screen_write_ctx *ctx,
}
}
/* Save cursor and region positions. */
/* Set up context for TTY command. */
void
screen_write_save(struct screen_write_ctx *ctx)
screen_write_initctx(struct screen_write_ctx *ctx, struct tty_ctx *ttyctx)
{
struct screen *s = ctx->s;
s->old_cx = s->cx;
s->old_cy = s->cy;
ttyctx->wp = ctx->wp;
s->old_rlower = s->rlower;
s->old_rupper = s->rupper;
ttyctx->ocx = s->cx;
ttyctx->ocy = s->cy;
ttyctx->orlower = s->rlower;
ttyctx->orupper = s->rupper;
}
/* Cursor up by ny. */
@@ -310,9 +312,12 @@ void
screen_write_alignmenttest(struct screen_write_ctx *ctx)
{
struct screen *s = ctx->s;
struct tty_ctx ttyctx;
struct grid_cell gc;
u_int xx, yy;
screen_write_initctx(ctx, &ttyctx);
memcpy(&gc, &grid_default_cell, sizeof gc);
gc.data = 'E';
@@ -327,7 +332,7 @@ screen_write_alignmenttest(struct screen_write_ctx *ctx)
s->rupper = 0;
s->rlower = screen_size_y(s) - 1;
tty_write0(ctx->wp, tty_cmd_alignmenttest);
tty_write(tty_cmd_alignmenttest, &ttyctx);
}
/* Insert nx characters. */
@@ -335,6 +340,7 @@ void
screen_write_insertcharacter(struct screen_write_ctx *ctx, u_int nx)
{
struct screen *s = ctx->s;
struct tty_ctx ttyctx;
if (nx == 0)
nx = 1;
@@ -344,12 +350,13 @@ screen_write_insertcharacter(struct screen_write_ctx *ctx, u_int nx)
if (nx == 0)
return;
screen_write_save(ctx);
screen_write_initctx(ctx, &ttyctx);
if (s->cx <= screen_size_x(s) - 1)
grid_view_insert_cells(s->grid, s->cx, s->cy, nx);
tty_writenum(ctx->wp, tty_cmd_insertcharacter, nx);
ttyctx.num = nx;
tty_write(tty_cmd_insertcharacter, &ttyctx);
}
/* Delete nx characters. */
@@ -357,6 +364,7 @@ void
screen_write_deletecharacter(struct screen_write_ctx *ctx, u_int nx)
{
struct screen *s = ctx->s;
struct tty_ctx ttyctx;
if (nx == 0)
nx = 1;
@@ -366,12 +374,13 @@ screen_write_deletecharacter(struct screen_write_ctx *ctx, u_int nx)
if (nx == 0)
return;
screen_write_save(ctx);
screen_write_initctx(ctx, &ttyctx);
if (s->cx <= screen_size_x(s) - 1)
grid_view_delete_cells(s->grid, s->cx, s->cy, nx);
tty_writenum(ctx->wp, tty_cmd_deletecharacter, nx);
ttyctx.num = nx;
tty_write(tty_cmd_deletecharacter, &ttyctx);
}
/* Insert ny lines. */
@@ -379,6 +388,7 @@ void
screen_write_insertline(struct screen_write_ctx *ctx, u_int ny)
{
struct screen *s = ctx->s;
struct tty_ctx ttyctx;
if (ny == 0)
ny = 1;
@@ -389,11 +399,12 @@ screen_write_insertline(struct screen_write_ctx *ctx, u_int ny)
if (ny == 0)
return;
screen_write_save(ctx);
screen_write_initctx(ctx, &ttyctx);
grid_view_insert_lines(s->grid, s->cy, ny);
tty_writenum(ctx->wp, tty_cmd_insertline, ny);
ttyctx.num = ny;
tty_write(tty_cmd_insertline, &ttyctx);
return;
}
@@ -402,14 +413,15 @@ screen_write_insertline(struct screen_write_ctx *ctx, u_int ny)
if (ny == 0)
return;
screen_write_save(ctx);
screen_write_initctx(ctx, &ttyctx);
if (s->cy < s->rupper || s->cy > s->rlower)
grid_view_insert_lines(s->grid, s->cy, ny);
else
grid_view_insert_lines_region(s->grid, s->rlower, s->cy, ny);
tty_writenum(ctx->wp, tty_cmd_insertline, ny);
ttyctx.num = ny;
tty_write(tty_cmd_insertline, &ttyctx);
}
/* Delete ny lines. */
@@ -417,6 +429,7 @@ void
screen_write_deleteline(struct screen_write_ctx *ctx, u_int ny)
{
struct screen *s = ctx->s;
struct tty_ctx ttyctx;
if (ny == 0)
ny = 1;
@@ -427,11 +440,12 @@ screen_write_deleteline(struct screen_write_ctx *ctx, u_int ny)
if (ny == 0)
return;
screen_write_save(ctx);
screen_write_initctx(ctx, &ttyctx);
grid_view_delete_lines(s->grid, s->cy, ny);
tty_writenum(ctx->wp, tty_cmd_deleteline, ny);
ttyctx.num = ny;
tty_write(tty_cmd_deleteline, &ttyctx);
return;
}
@@ -440,14 +454,15 @@ screen_write_deleteline(struct screen_write_ctx *ctx, u_int ny)
if (ny == 0)
return;
screen_write_save(ctx);
screen_write_initctx(ctx, &ttyctx);
if (s->cy < s->rupper || s->cy > s->rlower)
grid_view_delete_lines(s->grid, s->cy, ny);
else
grid_view_delete_lines_region(s->grid, s->rlower, s->cy, ny);
tty_writenum(ctx->wp, tty_cmd_deleteline, ny);
ttyctx.num = ny;
tty_write(tty_cmd_deleteline, &ttyctx);
}
/* Clear line at cursor. */
@@ -455,12 +470,13 @@ void
screen_write_clearline(struct screen_write_ctx *ctx)
{
struct screen *s = ctx->s;
struct tty_ctx ttyctx;
screen_write_save(ctx);
screen_write_initctx(ctx, &ttyctx);
grid_view_clear(s->grid, 0, s->cy, screen_size_x(s), 1);
tty_write0(ctx->wp, tty_cmd_clearline);
tty_write(tty_cmd_clearline, &ttyctx);
}
/* Clear to end of line from cursor. */
@@ -468,16 +484,17 @@ void
screen_write_clearendofline(struct screen_write_ctx *ctx)
{
struct screen *s = ctx->s;
struct tty_ctx ttyctx;
u_int sx;
screen_write_save(ctx);
screen_write_initctx(ctx, &ttyctx);
sx = screen_size_x(s);
if (s->cx <= sx - 1)
grid_view_clear(s->grid, s->cx, s->cy, sx - s->cx, 1);
tty_write0(ctx->wp, tty_cmd_clearendofline);
tty_write(tty_cmd_clearendofline, &ttyctx);
}
/* Clear to start of line from cursor. */
@@ -485,9 +502,10 @@ void
screen_write_clearstartofline(struct screen_write_ctx *ctx)
{
struct screen *s = ctx->s;
struct tty_ctx ttyctx;
u_int sx;
screen_write_save(ctx);
screen_write_initctx(ctx, &ttyctx);
sx = screen_size_x(s);
@@ -496,7 +514,7 @@ screen_write_clearstartofline(struct screen_write_ctx *ctx)
else
grid_view_clear(s->grid, 0, s->cy, s->cx + 1, 1);
tty_write0(ctx->wp, tty_cmd_clearstartofline);
tty_write(tty_cmd_clearstartofline, &ttyctx);
}
/* Move cursor to px,py. */
@@ -531,15 +549,16 @@ void
screen_write_reverseindex(struct screen_write_ctx *ctx)
{
struct screen *s = ctx->s;
struct tty_ctx ttyctx;
screen_write_save(ctx);
screen_write_initctx(ctx, &ttyctx);
if (s->cy == s->rupper)
grid_view_scroll_region_down(s->grid, s->rupper, s->rlower);
else if (s->cy > 0)
s->cy--;
tty_write0(ctx->wp, tty_cmd_reverseindex);
tty_write(tty_cmd_reverseindex, &ttyctx);
}
/* Set scroll region. */
@@ -593,15 +612,16 @@ void
screen_write_linefeed(struct screen_write_ctx *ctx)
{
struct screen *s = ctx->s;
struct tty_ctx ttyctx;
screen_write_save(ctx);
screen_write_initctx(ctx, &ttyctx);
if (s->cy == s->rlower)
grid_view_scroll_region_up(s->grid, s->rupper, s->rlower);
else if (s->cy < screen_size_y(s) - 1)
s->cy++;
tty_write0(ctx->wp, tty_cmd_linefeed);
tty_write(tty_cmd_linefeed, &ttyctx);
}
/* Carriage return (cursor to start of line). */
@@ -642,9 +662,10 @@ void
screen_write_clearendofscreen(struct screen_write_ctx *ctx)
{
struct screen *s = ctx->s;
struct tty_ctx ttyctx;
u_int sx, sy;
screen_write_save(ctx);
screen_write_initctx(ctx, &ttyctx);
sx = screen_size_x(s);
sy = screen_size_y(s);
@@ -653,7 +674,7 @@ screen_write_clearendofscreen(struct screen_write_ctx *ctx)
grid_view_clear(s->grid, s->cx, s->cy, sx - s->cx, 1);
grid_view_clear(s->grid, 0, s->cy + 1, sx, sy - (s->cy + 1));
tty_write0(ctx->wp, tty_cmd_clearendofscreen);
tty_write(tty_cmd_clearendofscreen, &ttyctx);
}
/* Clear to start of screen. */
@@ -661,9 +682,10 @@ void
screen_write_clearstartofscreen(struct screen_write_ctx *ctx)
{
struct screen *s = ctx->s;
struct tty_ctx ttyctx;
u_int sx;
screen_write_save(ctx);
screen_write_initctx(ctx, &ttyctx);
sx = screen_size_x(s);
@@ -674,7 +696,7 @@ screen_write_clearstartofscreen(struct screen_write_ctx *ctx)
else
grid_view_clear(s->grid, 0, s->cy, s->cx + 1, 1);
tty_write0(ctx->wp, tty_cmd_clearstartofscreen);
tty_write(tty_cmd_clearstartofscreen, &ttyctx);
}
/* Clear entire screen. */
@@ -682,12 +704,13 @@ void
screen_write_clearscreen(struct screen_write_ctx *ctx)
{
struct screen *s = ctx->s;
struct tty_ctx ttyctx;
screen_write_save(ctx);
screen_write_initctx(ctx, &ttyctx);
grid_view_clear(s->grid, 0, 0, screen_size_x(s), screen_size_y(s));
tty_write0(ctx->wp, tty_cmd_clearscreen);
tty_write(tty_cmd_clearscreen, &ttyctx);
}
/* Write cell data. */
@@ -737,7 +760,9 @@ screen_write_cell(
memcpy(tmp_gu->data + i, udata, UTF8_SIZE - i);
/* Assume the previous character has just been input. */
tty_writeptr(ctx->wp, tty_cmd_utf8character, udata);
screen_write_initctx(ctx, &ttyctx);
ttyctx.ptr = udata;
tty_write(tty_cmd_utf8character, &ttyctx);
return;
}
@@ -785,13 +810,14 @@ screen_write_cell(
grid_view_set_utf8(gd, s->cx, s->cy, &gu);
/* Move the cursor. */
screen_write_save(ctx);
screen_write_initctx(ctx, &ttyctx);
s->cx += width;
/* Draw to the screen if necessary. */
if (insert)
tty_writenum(ctx->wp, tty_cmd_insertcharacter, width);
ttyctx.wp = ctx->wp;
if (insert) {
ttyctx.num = width;
tty_write(tty_cmd_insertcharacter, &ttyctx);
}
ttyctx.utf8 = &gu;
if (screen_check_selection(s, s->cx - width, s->cy)) {
s->sel.cell.data = gc->data;

26
tmux.h
View File

@@ -477,15 +477,9 @@ struct screen {
u_int cx; /* cursor x */
u_int cy; /* cursor y */
u_int old_cx;
u_int old_cy;
u_int rupper; /* scroll region top */
u_int rlower; /* scroll region bottom */
u_int old_rupper;
u_int old_rlower;
int mode;
bitstr_t *tabs;
@@ -783,8 +777,19 @@ struct tty_ctx {
const struct grid_cell *cell;
const struct grid_utf8 *utf8;
u_int num;
void *ptr;
u_int num;
void *ptr;
/*
* Cursor and region position before the screen was updated - this is
* where the command should be applied; the values in the screen have
* already been updated.
*/
u_int ocx;
u_int ocy;
u_int orupper;
u_int orlower;
};
typedef void tty_cmd_func(struct tty *, struct tty_ctx *);
@@ -1032,10 +1037,10 @@ void tty_detect_utf8(struct tty *);
void tty_set_title(struct tty *, const char *);
void tty_update_mode(struct tty *, int);
void tty_draw_line(struct tty *, struct screen *, u_int, u_int, u_int);
void tty_redraw_region(struct tty *, struct window_pane *);
int tty_open(struct tty *, char **);
void tty_close(struct tty *, int);
void tty_free(struct tty *, int);
void tty_write(void (*)(struct tty *, struct tty_ctx *), struct tty_ctx *);
void tty_cmd_alignmenttest(struct tty *, struct tty_ctx *);
void tty_cmd_cell(struct tty *, struct tty_ctx *);
void tty_cmd_clearendofline(struct tty *, struct tty_ctx *);
@@ -1073,9 +1078,6 @@ void tty_keys_free(struct tty *);
int tty_keys_next(struct tty *, int *, u_char *);
/* tty-write.c */
void tty_write0(struct window_pane *, tty_cmd_func *);
void tty_writenum(struct window_pane *, tty_cmd_func *, u_int);
void tty_writeptr(struct window_pane *, tty_cmd_func *, void *);
void tty_write(tty_cmd_func *, struct tty_ctx *);
/* options-cmd.c */

34
tty-write.c
View File

@@ -18,42 +18,8 @@
#include <sys/types.h>
#include <string.h>
#include "tmux.h"
void
tty_write0(struct window_pane *wp, tty_cmd_func *cmdfn)
{
struct tty_ctx ctx;
memset(&ctx, 0, sizeof ctx);
ctx.wp = wp;
tty_write(cmdfn, &ctx);
}
void
tty_writenum(struct window_pane *wp, tty_cmd_func *cmdfn, u_int num)
{
struct tty_ctx ctx;
memset(&ctx, 0, sizeof ctx);
ctx.wp = wp;
ctx.num = num;
tty_write(cmdfn, &ctx);
}
void
tty_writeptr(struct window_pane *wp, tty_cmd_func *cmdfn, void *ptr)
{
struct tty_ctx ctx;
memset(&ctx, 0, sizeof ctx);
ctx.wp = wp;
ctx.ptr = ptr;
tty_write(cmdfn, &ctx);
}
void
tty_write(tty_cmd_func *cmdfn, struct tty_ctx *ctx)
{

90
tty.c
View File

@@ -38,10 +38,11 @@ void tty_attributes(struct tty *, const struct grid_cell *);
void tty_attributes_fg(struct tty *, const struct grid_cell *);
void tty_attributes_bg(struct tty *, const struct grid_cell *);
void tty_redraw_region(struct tty *, struct tty_ctx *);
void tty_emulate_repeat(
struct tty *, enum tty_code_code, enum tty_code_code, u_int);
void tty_cell(struct tty *,
const struct grid_cell *, const struct grid_utf8 *);
void tty_cell(struct tty *,
const struct grid_cell *, const struct grid_utf8 *);
void
tty_init(struct tty *tty, char *path, char *term)
@@ -449,10 +450,11 @@ tty_emulate_repeat(
* width of the terminal.
*/
void
tty_redraw_region(struct tty *tty, struct window_pane *wp)
tty_redraw_region(struct tty *tty, struct tty_ctx *ctx)
{
struct screen *s = wp->screen;
u_int i;
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
@@ -460,16 +462,16 @@ tty_redraw_region(struct tty *tty, struct window_pane *wp)
* without this, the entire pane ends up being redrawn many times which
* can be much more data.
*/
if (s->old_rupper - s->old_rlower >= screen_size_y(s) / 2) {
if (ctx->orupper - ctx->orlower >= screen_size_y(s) / 2) {
wp->flags |= PANE_REDRAW;
return;
}
if (s->old_cy < s->old_rupper || s->old_cy > s->old_rlower) {
for (i = s->old_cy; i < screen_size_y(s); i++)
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 = s->old_rupper; i <= s->old_rlower; i++)
for (i = ctx->orupper; i <= ctx->orlower; i++)
tty_draw_line(tty, s, i, wp->xoff, wp->yoff);
}
}
@@ -522,13 +524,13 @@ tty_cmd_insertcharacter(struct tty *tty, struct tty_ctx *ctx)
struct screen *s = wp->screen;
if (wp->xoff != 0 || screen_size_x(s) < tty->sx) {
tty_draw_line(tty, wp->screen, s->old_cy, wp->xoff, wp->yoff);
tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
return;
}
tty_reset(tty);
tty_cursor(tty, s->old_cx, s->old_cy, wp->xoff, wp->yoff);
tty_cursor(tty, ctx->ocx, ctx->ocy, 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, ctx->num);
@@ -547,13 +549,13 @@ tty_cmd_deletecharacter(struct tty *tty, struct tty_ctx *ctx)
struct screen *s = wp->screen;
if (wp->xoff != 0 || screen_size_x(s) < tty->sx) {
tty_draw_line(tty, wp->screen, s->old_cy, wp->xoff, wp->yoff);
tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
return;
}
tty_reset(tty);
tty_cursor(tty, s->old_cx, s->old_cy, wp->xoff, wp->yoff);
tty_cursor(tty, ctx->ocx, ctx->ocy, wp->xoff, wp->yoff);
tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
}
@@ -565,15 +567,15 @@ tty_cmd_insertline(struct tty *tty, struct tty_ctx *ctx)
if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
!tty_term_has(tty->term, TTYC_CSR)) {
tty_redraw_region(tty, wp);
tty_redraw_region(tty, ctx);
return;
}
tty_reset(tty);
tty_region(tty, s->old_rupper, s->old_rlower, wp->yoff);
tty_region(tty, ctx->orupper, ctx->orlower, wp->yoff);
tty_cursor(tty, s->old_cx, s->old_cy, wp->xoff, wp->yoff);
tty_cursor(tty, ctx->ocx, ctx->ocy, wp->xoff, wp->yoff);
tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
}
@@ -585,15 +587,15 @@ tty_cmd_deleteline(struct tty *tty, struct tty_ctx *ctx)
if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
!tty_term_has(tty->term, TTYC_CSR)) {
tty_redraw_region(tty, wp);
tty_redraw_region(tty, ctx);
return;
}
tty_reset(tty);
tty_region(tty, s->old_rupper, s->old_rlower, wp->yoff);
tty_region(tty, ctx->orupper, ctx->orlower, wp->yoff);
tty_cursor(tty, s->old_cx, s->old_cy, wp->xoff, wp->yoff);
tty_cursor(tty, ctx->ocx, ctx->ocy, wp->xoff, wp->yoff);
tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
}
@@ -606,7 +608,7 @@ tty_cmd_clearline(struct tty *tty, struct tty_ctx *ctx)
tty_reset(tty);
tty_cursor(tty, 0, s->old_cy, wp->xoff, wp->yoff);
tty_cursor(tty, 0, ctx->ocy, 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);
@@ -625,12 +627,12 @@ tty_cmd_clearendofline(struct tty *tty, struct tty_ctx *ctx)
tty_reset(tty);
tty_cursor(tty, s->old_cx, s->old_cy, wp->xoff, wp->yoff);
tty_cursor(tty, ctx->ocx, ctx->ocy, 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++)
for (i = ctx->ocx; i < screen_size_x(s); i++)
tty_putc(tty, ' ');
}
}
@@ -639,17 +641,16 @@ void
tty_cmd_clearstartofline(struct tty *tty, struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
u_int i;
tty_reset(tty);
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_cursor(tty, ctx->ocx, ctx->ocy, wp->xoff, wp->yoff);
tty_putcode(tty, TTYC_EL1);
} else {
tty_cursor(tty, 0, s->old_cy, wp->xoff, wp->yoff);
for (i = 0; i < s->old_cx + 1; i++)
tty_cursor(tty, 0, ctx->ocy, wp->xoff, wp->yoff);
for (i = 0; i < ctx->ocx + 1; i++)
tty_putc(tty, ' ');
}
}
@@ -662,16 +663,16 @@ tty_cmd_reverseindex(struct tty *tty, struct tty_ctx *ctx)
if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
!tty_term_has(tty->term, TTYC_CSR)) {
tty_redraw_region(tty, wp);
tty_redraw_region(tty, ctx);
return;
}
tty_reset(tty);
tty_region(tty, s->old_rupper, s->old_rlower, wp->yoff);
tty_region(tty, ctx->orupper, ctx->orlower, wp->yoff);
if (s->old_cy == s->old_rupper) {
tty_cursor(tty, s->old_cx, s->old_rupper, wp->xoff, wp->yoff);
if (ctx->ocy == ctx->orupper) {
tty_cursor(tty, ctx->ocx, ctx->orupper, wp->xoff, wp->yoff);
tty_putcode(tty, TTYC_RI);
}
}
@@ -684,16 +685,16 @@ tty_cmd_linefeed(struct tty *tty, struct tty_ctx *ctx)
if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
!tty_term_has(tty->term, TTYC_CSR)) {
tty_redraw_region(tty, wp);
tty_redraw_region(tty, ctx);
return;
}
tty_reset(tty);
tty_region(tty, s->old_rupper, s->old_rlower, wp->yoff);
tty_region(tty, ctx->orupper, ctx->orlower, wp->yoff);
if (s->old_cy == s->old_rlower) {
tty_cursor(tty, s->old_cx, s->old_cy, wp->xoff, wp->yoff);
if (ctx->ocy == ctx->orlower) {
tty_cursor(tty, ctx->ocx, ctx->ocy, wp->xoff, wp->yoff);
tty_putc(tty, '\n');
}
}
@@ -708,13 +709,13 @@ tty_cmd_clearendofscreen(struct tty *tty, struct tty_ctx *ctx)
tty_reset(tty);
tty_region(tty, 0, screen_size_y(s) - 1, wp->yoff);
tty_cursor(tty, s->old_cx, s->old_cy, wp->xoff, wp->yoff);
tty_cursor(tty, ctx->ocx, ctx->ocy, 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);
if (s->old_cy != screen_size_y(s) - 1) {
tty_cursor(tty, 0, s->old_cy + 1, wp->xoff, wp->yoff);
for (i = s->old_cy + 1; i < screen_size_y(s); i++) {
if (ctx->ocy != screen_size_y(s) - 1) {
tty_cursor(tty, 0, ctx->ocy + 1, wp->xoff, wp->yoff);
for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
tty_putcode(tty, TTYC_EL);
if (i == screen_size_y(s) - 1)
continue;
@@ -723,9 +724,9 @@ tty_cmd_clearendofscreen(struct tty *tty, struct tty_ctx *ctx)
}
}
} else {
for (i = s->old_cx; i < screen_size_x(s); i++)
for (i = ctx->ocx; i < screen_size_x(s); i++)
tty_putc(tty, ' ');
for (j = s->old_cy; j < screen_size_y(s); j++) {
for (j = ctx->ocy; j < screen_size_y(s); j++) {
tty_cursor(tty, 0, j, wp->xoff, wp->yoff);
for (i = 0; i < screen_size_x(s); i++)
tty_putc(tty, ' ');
@@ -746,19 +747,19 @@ tty_cmd_clearstartofscreen(struct tty *tty, struct tty_ctx *ctx)
tty_cursor(tty, 0, 0, wp->xoff, wp->yoff);
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++) {
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 < s->old_cy; j++) {
for (j = 0; j < ctx->ocy; j++) {
tty_cursor(tty, 0, j, wp->xoff, wp->yoff);
for (i = 0; i < screen_size_x(s); i++)
tty_putc(tty, ' ');
}
}
for (i = 0; i <= s->old_cx; i++)
for (i = 0; i <= ctx->ocx; i++)
tty_putc(tty, ' ');
}
@@ -813,9 +814,8 @@ void
tty_cmd_cell(struct tty *tty, struct tty_ctx *ctx)
{
struct window_pane *wp = ctx->wp;
struct screen *s = wp->screen;
tty_cursor(tty, s->old_cx, s->old_cy, wp->xoff, wp->yoff);
tty_cursor(tty, ctx->ocx, ctx->ocy, wp->xoff, wp->yoff);
tty_cell(tty, ctx->cell, ctx->utf8);
}