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Stick line length to what is actually used (removing an optimization that

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allowed it to be bigger), and use clear line/EOL sequences rather than spaces
in copy/scroll mode.

This fixes xterm copy/paste from tmux which treats trailing spaces differently
from clearing a line with the escape sequences. Reported by martynas@.
This commit is contained in:
Nicholas Marriott 2009-09-15 15:14:09 +00:00
parent f39865e8e4
commit 4278199101
2 changed files with 40 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
grid.c
View File

@ -189,22 +189,15 @@ grid_scroll_line(struct grid *gd)
/* Expand line to fit to cell. */
void
grid_expand_line(struct grid *gd, u_int py, u_int wantx)
grid_expand_line(struct grid *gd, u_int py, u_int sx)
{
struct grid_line *gl;
u_int xx, sx;
u_int xx;
gl = &gd->linedata[py];
if (wantx <= gl->cellsize)
if (sx <= gl->cellsize)
return;
if (gl->cellsize > gd->sx / 2)
sx = gd->sx;
else {
sx = gl->cellsize + 1;
while (sx < wantx)
sx *= 2;
}
gl->celldata = xrealloc(gl->celldata, sx, sizeof *gl->celldata);
for (xx = gl->cellsize; xx < sx; xx++)
grid_put_cell(gd, xx, py, &grid_default_cell);
@ -307,10 +300,7 @@ grid_set_utf8(
grid_put_utf8(gd, px, py, gc);
}
/*
* Clear area. Note this is different from a fill as it just omits unallocated
* cells.
*/
/* Clear area. */
void
grid_clear(struct grid *gd, u_int px, u_int py, u_int nx, u_int ny)
{
@ -336,6 +326,12 @@ grid_clear(struct grid *gd, u_int px, u_int py, u_int nx, u_int ny)
return;
for (yy = py; yy < py + ny; yy++) {
if (px >= gd->linedata[yy].cellsize)
continue;
if (px + nx >= gd->linedata[yy].cellsize) {
gd->linedata[yy].cellsize = px;
continue;
}
for (xx = px; xx < px + nx; xx++) {
if (xx >= gd->linedata[yy].cellsize)
break;

27
screen-write.c
View File

@ -371,25 +371,42 @@ screen_write_copy(struct screen_write_ctx *ctx,
struct grid_line *gl;
const struct grid_cell *gc;
u_char *udata;
u_int xx, yy, cx, cy;
u_int xx, yy, cx, cy, ax, bx;
cx = s->cx;
cy = s->cy;
for (yy = py; yy < py + ny; yy++) {
gl = &gd->linedata[yy];
for (xx = px; xx < px + nx; xx++) {
if (yy < gd->hsize + gd->sy) {
/*
* Find start and end position and copy between
* them. Limit to the real end of the line then use a
* clear EOL only if copying to the end, otherwise
* could overwrite whatever is there already.
*/
if (px > gl->cellsize)
ax = gl->cellsize;
else
ax = px;
if (px + nx == gd->sx && px + nx > gl->cellsize)
bx = gl->cellsize;
else
bx = px + nx;
for (xx = ax; xx < bx; xx++) {
udata = NULL;
if (xx >= gl->cellsize || yy >= gd->hsize + gd->sy)
if (xx >= gl->cellsize)
gc = &grid_default_cell;
else {
gc = &gl->celldata[xx];
if (gc->flags & GRID_FLAG_UTF8)
udata = gl->utf8data[xx].data;
}
screen_write_cell(ctx, gc, udata);
}
if (px + nx == gd->sx && px + nx > gl->cellsize)
screen_write_clearendofline(ctx);
} else
screen_write_clearline(ctx);
cy++;
screen_write_cursormove(ctx, cx, cy);
}