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Add support for origin mode (DECOM, SM/RM ?6), from Marc Reisner.

pull/1628/head
nicm 2019-03-12 07:39:27 +00:00
parent de730f68a4
commit ff4c80d53d
3 changed files with 36 additions and 19 deletions
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8
input.c
View File

@ -1572,6 +1572,10 @@ input_csi_dispatch_rm_private(struct input_ctx *ictx)
screen_write_clearscreen(&ictx->ctx,
ictx->cell.cell.bg);
break;
case 6: /* DECOM */
screen_write_mode_clear(&ictx->ctx, MODE_ORIGIN);
screen_write_cursormove(&ictx->ctx, 0, 0);
break;
case 7: /* DECAWM */
screen_write_mode_clear(&ictx->ctx, MODE_WRAP);
break;
@ -1655,6 +1659,10 @@ input_csi_dispatch_sm_private(struct input_ctx *ictx)
screen_write_clearscreen(&ictx->ctx,
ictx->cell.cell.bg);
break;
case 6: /* DECOM */
screen_write_mode_set(&ictx->ctx, MODE_ORIGIN);
screen_write_cursormove(&ictx->ctx, 0, 0);
break;
case 7: /* DECAWM */
screen_write_mode_set(&ictx->ctx, MODE_WRAP);
break;

46
screen-write.c
View File

@ -74,10 +74,16 @@ screen_write_set_cursor(struct screen_write_ctx *ctx, int cx, int cy)
if (cx != -1 && (u_int)cx == s->cx && cy != -1 && (u_int)cy == s->cy)
return;
if (cx != -1)
if (cx != -1) {
if ((u_int)cx > screen_size_x(s) - 1)
cx = screen_size_x(s) - 1;
s->cx = cx;
if (cy != -1)
}
if (cy != -1) {
if ((u_int)cy > screen_size_y(s) - 1)
cy = screen_size_y(s) - 1;
s->cy = cy;
}
if (wp == NULL)
return;
@ -147,7 +153,7 @@ screen_write_reset(struct screen_write_ctx *ctx)
s->mode = MODE_CURSOR | MODE_WRAP;
screen_write_clearscreen(ctx, 8);
screen_write_cursormove(ctx, 0, 0);
screen_write_set_cursor(ctx, 0, 0);
}
/* Write character. */
@ -419,7 +425,7 @@ screen_write_copy(struct screen_write_ctx *ctx, struct screen *src, u_int px,
screen_write_cell(ctx, &gc);
}
cy++;
screen_write_cursormove(ctx, cx, cy);
screen_write_set_cursor(ctx, cx, cy);
}
}
@ -477,7 +483,7 @@ screen_write_hline(struct screen_write_ctx *ctx, u_int nx, int left, int right)
screen_write_putc(ctx, &gc, 'q');
screen_write_putc(ctx, &gc, right ? 'u' : 'q');
screen_write_cursormove(ctx, cx, cy);
screen_write_set_cursor(ctx, cx, cy);
}
/* Draw a horizontal line on screen. */
@ -496,13 +502,13 @@ screen_write_vline(struct screen_write_ctx *ctx, u_int ny, int top, int bottom)
screen_write_putc(ctx, &gc, top ? 'w' : 'x');
for (i = 1; i < ny - 1; i++) {
screen_write_cursormove(ctx, cx, cy + i);
screen_write_set_cursor(ctx, cx, cy + i);
screen_write_putc(ctx, &gc, 'x');
}
screen_write_cursormove(ctx, cx, cy + ny - 1);
screen_write_set_cursor(ctx, cx, cy + ny - 1);
screen_write_putc(ctx, &gc, bottom ? 'v' : 'x');
screen_write_cursormove(ctx, cx, cy);
screen_write_set_cursor(ctx, cx, cy);
}
/* Draw a box on screen. */
@ -524,22 +530,22 @@ screen_write_box(struct screen_write_ctx *ctx, u_int nx, u_int ny)
screen_write_putc(ctx, &gc, 'q');
screen_write_putc(ctx, &gc, 'k');
screen_write_cursormove(ctx, cx, cy + ny - 1);
screen_write_set_cursor(ctx, cx, cy + ny - 1);
screen_write_putc(ctx, &gc, 'm');
for (i = 1; i < nx - 1; i++)
screen_write_putc(ctx, &gc, 'q');
screen_write_putc(ctx, &gc, 'j');
for (i = 1; i < ny - 1; i++) {
screen_write_cursormove(ctx, cx, cy + i);
screen_write_set_cursor(ctx, cx, cy + i);
screen_write_putc(ctx, &gc, 'x');
}
for (i = 1; i < ny - 1; i++) {
screen_write_cursormove(ctx, cx + nx - 1, cy + i);
screen_write_set_cursor(ctx, cx + nx - 1, cy + i);
screen_write_putc(ctx, &gc, 'x');
}
screen_write_cursormove(ctx, cx, cy);
screen_write_set_cursor(ctx, cx, cy);
}
/*
@ -594,7 +600,7 @@ screen_write_preview(struct screen_write_ctx *ctx, struct screen *src, u_int nx,
if (src->mode & MODE_CURSOR) {
grid_view_get_cell(src->grid, src->cx, src->cy, &gc);
gc.attr |= GRID_ATTR_REVERSE;
screen_write_cursormove(ctx, cx + (src->cx - px),
screen_write_set_cursor(ctx, cx + (src->cx - px),
cy + (src->cy - py));
screen_write_cell(ctx, &gc);
}
@ -1032,10 +1038,12 @@ screen_write_cursormove(struct screen_write_ctx *ctx, u_int px, u_int py)
{
struct screen *s = ctx->s;
if (px > screen_size_x(s) - 1)
px = screen_size_x(s) - 1;
if (py > screen_size_y(s) - 1)
py = screen_size_y(s) - 1;
if (s->mode & MODE_ORIGIN) {
if (py > s->rlower - s->rupper)
py = s->rlower;
else
py += s->rupper;
}
screen_write_set_cursor(ctx, px, py);
}
@ -1296,7 +1304,7 @@ screen_write_collect_flush(struct screen_write_ctx *ctx, int scroll_only)
cx = s->cx; cy = s->cy;
for (y = 0; y < screen_size_y(s); y++) {
TAILQ_FOREACH_SAFE(ci, &ctx->list[y].items, entry, tmp) {
screen_write_cursormove(ctx, ci->x, y);
screen_write_set_cursor(ctx, ci->x, y);
screen_write_initctx(ctx, &ttyctx);
ttyctx.cell = &ci->gc;
ttyctx.wrapped = ci->wrapped;
@ -1441,7 +1449,7 @@ screen_write_cell(struct screen_write_ctx *ctx, const struct grid_cell *gc)
screen_write_collect_flush(ctx, 0);
if ((gc = screen_write_combine(ctx, &gc->data, &xx)) != 0) {
cx = s->cx; cy = s->cy;
screen_write_cursormove(ctx, xx, s->cy);
screen_write_set_cursor(ctx, xx, s->cy);
screen_write_initctx(ctx, &ttyctx);
ttyctx.cell = gc;
tty_write(tty_cmd_cell, &ttyctx);

1
tmux.h
View File

@ -517,6 +517,7 @@ struct msg_stderr_data {
#define MODE_BRACKETPASTE 0x400
#define MODE_FOCUSON 0x800
#define MODE_MOUSE_ALL 0x1000
#define MODE_ORIGIN 0x2000
#define ALL_MODES 0xffffff
#define ALL_MOUSE_MODES (MODE_MOUSE_STANDARD|MODE_MOUSE_BUTTON|MODE_MOUSE_ALL)