circlecloud/tmux
1
0
Fork 0
mirror of https://github.com/tmux/tmux.git synced 2024-09-30 08:09:01 +00:00
Code Issues Projects Releases Wiki Activity

When the terminal size is reduced horizontally, don't truncate lines to the new

Browse Source 
width, so that if the same lines are later increased in size the content
reappears.
This commit is contained in:
Nicholas Marriott 2009-07-12 17:03:11 +00:00
parent d4a143a425
commit 8be8016a76
1 changed files with 10 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
screen.c
View File

@ -1,4 +1,4 @@
/* $Id: screen.c,v 1.90 2009-07-08 18:03:03 nicm Exp $ */
/* $Id: screen.c,v 1.91 2009-07-12 17:03:11 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -121,44 +121,19 @@ void
screen_resize_x(struct screen *s, u_int sx)
{
struct grid *gd = s->grid;
const struct grid_cell *gc;
const struct grid_utf8 *gu;
u_int xx, yy;
if (sx == 0)
fatalx("zero size");
/* If getting larger, not much to do. */
if (sx > screen_size_x(s)) {
gd->sx = sx;
return;
}
/* If getting smaller, nuke any data in lines over the new size. */
for (yy = gd->hsize; yy < gd->hsize + screen_size_y(s); yy++) {
/*
* If the character after the last is wide or padding, remove
* it and any leading padding.
* Treat resizing horizontally simply: just ensure the cursor is
* on-screen and change the size. Don't bother to truncate any lines -
* then the data should be accessible if the size is then incrased.
*
* The only potential wrinkle is if UTF-8 double-width characters are
* left in the last column, but UTF-8 terminals should deal with this
* sanely.
*/
gc = &grid_default_cell;
for (xx = sx; xx > 0; xx--) {
gc = grid_peek_cell(gd, xx - 1, yy);
if (!(gc->flags & GRID_FLAG_PADDING))
break;
grid_set_cell(gd, xx - 1, yy, &grid_default_cell);
}
if (xx > 0 && xx != sx && gc->flags & GRID_FLAG_UTF8) {
gu = grid_peek_utf8(gd, xx - 1, yy);
if (gu->width > 1) {
grid_set_cell(
gd, xx - 1, yy, &grid_default_cell);
}
}
/* Reduce the line size. */
grid_reduce_line(gd, yy, sx);
}
if (s->cx >= sx)
s->cx = sx - 1;
gd->sx = sx;