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vt(4): Take font offset into account in vt_is_cursor_in_area()

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This fixes a "General protection fault" in vt_vga, where
vt_is_cursor_in_area() erroneously reported that the cursor was over the
text. This led to negative integers stored in "unsigned int" and chaos.

MFC after:	1 week
This commit is contained in:
Jean-Sébastien Pédron 2014-08-25 16:56:33 +00:00
parent 42782caf9b
commit 0878762c5b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=270587
1 changed files with 2 additions and 2 deletions
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4
sys/dev/vt/vt_core.c
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@ -828,8 +828,8 @@ vt_is_cursor_in_area(const struct vt_device *vd, const term_rect_t *area)
* We use the cursor position saved during the current refresh,
* in case the cursor moved since.
*/
mx = vd->vd_mx_drawn;
my = vd->vd_my_drawn;
mx = vd->vd_mx_drawn + vd->vd_curwindow->vw_offset.tp_col;
my = vd->vd_my_drawn + vd->vd_curwindow->vw_offset.tp_row;
x1 = area->tr_begin.tp_col;
y1 = area->tr_begin.tp_row;