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libframe: fix line wrap display glitch (Erik Quanstrom)

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R=rsc
http://codereview.appspot.com/3777044
This commit is contained in:
Russ Cox 2011-01-02 17:54:48 -05:00
parent 839c052a93
commit 5e90ec75ee
1 changed files with 9 additions and 1 deletions
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10
src/libframe/frdelete.c
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@ -9,7 +9,7 @@ frdelete(Frame *f, ulong p0, ulong p1)
{
Point pt0, pt1, ppt0;
Frbox *b;
int n0, n1, n;
int n0, n1, n, w0;
ulong cn1;
Rectangle r;
int nn0;
@ -52,6 +52,7 @@ frdelete(Frame *f, ulong p0, ulong p1)
r.max = pt0;
r.max.y += f->font->height;
if(b->nrune > 0){
w0 = b->wid;
if(n != b->nrune){
_frsplitbox(f, n1, n);
b = &f->box[n1];
@ -59,6 +60,13 @@ frdelete(Frame *f, ulong p0, ulong p1)
r.max.x += b->wid;
draw(f->b, r, f->b, nil, pt1);
cn1 += b->nrune;
/* blank remainder of line */
r.min.x = r.max.x;
r.max.x += w0 - b->wid;
if(r.max.x > f->r.max.x)
r.max.x = f->r.max.x;
draw(f->b, r, f->cols[BACK], nil, r.min);
}else{
r.max.x += _frnewwid0(f, pt0, b);
if(r.max.x > f->r.max.x)