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Add a flags member to the grid_line struct and use it to differentiate lines

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wrapped at the screen edge from those terminated by a newline. Then use this
when copying to combine wrapped lines together into one.
This commit is contained in:
Nicholas Marriott 2009-08-08 15:57:49 +00:00
parent 5e01b6d663
commit 06ddd3dcf8
4 changed files with 47 additions and 21 deletions
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8
input.c
View File

@ -635,7 +635,7 @@ input_handle_c0_control(u_char ch, struct input_ctx *ictx)
case '\0': /* NUL */
break;
case '\n': /* LF */
screen_write_linefeed(&ictx->ctx);
screen_write_linefeed(&ictx->ctx, 0);
break;
case '\r': /* CR */
screen_write_carriagereturn(&ictx->ctx);
@ -659,7 +659,7 @@ input_handle_c0_control(u_char ch, struct input_ctx *ictx)
} while (s->cx < screen_size_x(s) - 1);
break;
case '\013': /* VT */
screen_write_linefeed(&ictx->ctx);
screen_write_linefeed(&ictx->ctx, 0);
break;
case '\016': /* SO */
ictx->cell.attr |= GRID_ATTR_CHARSET;
@ -682,11 +682,11 @@ input_handle_c1_control(u_char ch, struct input_ctx *ictx)
switch (ch) {
case 'D': /* IND */
screen_write_linefeed(&ictx->ctx);
screen_write_linefeed(&ictx->ctx, 0);
break;
case 'E': /* NEL */
screen_write_carriagereturn(&ictx->ctx);
screen_write_linefeed(&ictx->ctx);
screen_write_linefeed(&ictx->ctx, 0);
break;
case 'H': /* HTS */
if (s->cx < screen_size_x(s))

17
screen-write.c
View File

@ -610,13 +610,20 @@ screen_write_mousemode(struct screen_write_ctx *ctx, int state)
/* Line feed (down with scroll). */
void
screen_write_linefeed(struct screen_write_ctx *ctx)
screen_write_linefeed(struct screen_write_ctx *ctx, int wrapped)
{
struct screen *s = ctx->s;
struct tty_ctx ttyctx;
struct screen *s = ctx->s;
struct grid_line *gl;
struct tty_ctx ttyctx;
screen_write_initctx(ctx, &ttyctx);
gl = &s->grid->linedata[s->grid->hsize + s->cy];
if (wrapped)
gl->flags |= GRID_LINE_WRAPPED;
else
gl->flags &= ~GRID_LINE_WRAPPED;
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)
@ -782,10 +789,10 @@ screen_write_cell(
insert = 1;
}
/* Check this will fit on the current line; scroll if not. */
/* Check this will fit on the current line and wrap if not. */
if (s->cx > screen_size_x(s) - width) {
screen_write_carriagereturn(ctx);
screen_write_linefeed(ctx);
screen_write_linefeed(ctx, 1);
}
/* Sanity checks. */

7
tmux.h
View File

@ -484,6 +484,9 @@ struct mode_key_table {
#define GRID_FLAG_PADDING 0x4
#define GRID_FLAG_UTF8 0x8
/* Grid line flags. */
#define GRID_LINE_WRAPPED 0x1
/* Grid cell data. */
struct grid_cell {
u_char attr;
@ -507,6 +510,8 @@ struct grid_line {
u_int utf8size;
struct grid_utf8 *utf8data;
int flags;
} __packed;
/* Entire grid of cells. */
@ -1504,7 +1509,7 @@ void screen_write_reverseindex(struct screen_write_ctx *);
void screen_write_scrollregion(struct screen_write_ctx *, u_int, u_int);
void screen_write_insertmode(struct screen_write_ctx *, int);
void screen_write_mousemode(struct screen_write_ctx *, int);
void screen_write_linefeed(struct screen_write_ctx *);
void screen_write_linefeed(struct screen_write_ctx *, int);
void screen_write_carriagereturn(struct screen_write_ctx *);
void screen_write_kcursormode(struct screen_write_ctx *, int);
void screen_write_kkeypadmode(struct screen_write_ctx *, int);

36
window-copy.c
View File

@ -449,13 +449,11 @@ window_copy_copy_selection(struct window_pane *wp, struct client *c)
if (sy == ey)
window_copy_copy_line(wp, &buf, &off, sy, sx, ex);
else {
xx = window_copy_find_length(wp, sy);
xx = screen_size_x(s);
window_copy_copy_line(wp, &buf, &off, sy, sx, xx);
if (ey - sy > 1) {
for (i = sy + 1; i < ey; i++) {
xx = window_copy_find_length(wp, i);
for (i = sy + 1; i < ey; i++)
window_copy_copy_line(wp, &buf, &off, i, 0, xx);
}
}
window_copy_copy_line(wp, &buf, &off, ey, 0, ex);
}
@ -473,14 +471,28 @@ void
window_copy_copy_line(struct window_pane *wp,
char **buf, size_t *off, u_int sy, u_int sx, u_int ex)
{
struct grid *gd = wp->base.grid;
const struct grid_cell *gc;
const struct grid_utf8 *gu;
u_int i, j, xx;
struct grid_line *gl;
u_int i, j, xx, wrapped = 0;
if (sx > ex)
return;
xx = window_copy_find_length(wp, sy);
/*
* Work out if the line was wrapped at the screen edge and all of it is
* on screen.
*/
gl = &gd->linedata[sy];
if (gl->flags & GRID_LINE_WRAPPED && gl->cellsize <= gd->sx)
wrapped = 1;
/* If the line was wrapped, don't strip spaces (use the full length). */
if (wrapped)
xx = gl->cellsize;
else
xx = window_copy_find_length(wp, sy);
if (ex > xx)
ex = xx;
if (sx > xx)
@ -488,14 +500,14 @@ window_copy_copy_line(struct window_pane *wp,
if (sx < ex) {
for (i = sx; i < ex; i++) {
gc = grid_peek_cell(wp->base.grid, i, sy);
gc = grid_peek_cell(gd, i, sy);
if (gc->flags & GRID_FLAG_PADDING)
continue;
if (!(gc->flags & GRID_FLAG_UTF8)) {
*buf = xrealloc(*buf, 1, (*off) + 1);
(*buf)[(*off)++] = gc->data;
} else {
gu = grid_peek_utf8(wp->base.grid, i, sy);
gu = grid_peek_utf8(gd, i, sy);
*buf = xrealloc(*buf, 1, (*off) + UTF8_SIZE);
for (j = 0; j < UTF8_SIZE; j++) {
if (gu->data[j] == 0xff)
@ -506,9 +518,11 @@ window_copy_copy_line(struct window_pane *wp,
}
}
*buf = xrealloc(*buf, 1, (*off) + 1);
(*buf)[*off] = '\n';
(*off)++;
/* Only add a newline if the line wasn't wrapped. */
if (!wrapped) {
*buf = xrealloc(*buf, 1, (*off) + 1);
(*buf)[(*off)++] = '\n';
}
}
int