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libframe: auto scale tick for retina

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R=rsc
http://codereview.appspot.com/6850102
This commit is contained in:
Russ Cox 2012-11-25 23:48:19 -05:00
parent ffaaaf9dae
commit cc9547960e
3 changed files with 24 additions and 10 deletions
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19
src/libframe/frdraw.c
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@ -137,15 +137,15 @@ frredraw(Frame *f)
pt = frdrawsel0(f, pt, f->p1, f->nchars, f->cols[BACK], f->cols[TEXT]);
}
void
frtick(Frame *f, Point pt, int ticked)
static void
_frtick(Frame *f, Point pt, int ticked)
{
Rectangle r;
if(f->ticked==ticked || f->tick==0 || !ptinrect(pt, f->r))
return;
pt.x--; /* looks best just left of where requested */
r = Rect(pt.x, pt.y, pt.x+FRTICKW, pt.y+f->font->height);
pt.x -= f->tickscale; /* looks best just left of where requested */
r = Rect(pt.x, pt.y, pt.x+FRTICKW*f->tickscale, pt.y+f->font->height);
/* can go into left border but not right */
if(r.max.x > f->r.max.x)
r.max.x = f->r.max.x;
@ -157,6 +157,17 @@ frtick(Frame *f, Point pt, int ticked)
f->ticked = ticked;
}
void
frtick(Frame *f, Point pt, int ticked)
{
if(f->tickscale != scalesize(f->display, 1)) {
if(f->ticked)
_frtick(f, pt, 0);
frinittick(f);
}
_frtick(f, pt, ticked);
}
Point
_frdraw(Frame *f, Point pt)
{