Author: emaste
Date: Tue May 12 18:09:54 2015
New Revision: 282823
URL: https://svnweb.freebsd.org/changeset/base/282823
Log:
MFC r281944: vt(4): Simplify mouse area detection
vt_is_cursor_in_area needs to return true if any part of the mouse
cursor is visible in the rectangle area. Replace the existing test with
a simpler version of a test for overlapping rectangles.
Sponsored by: The FreeBSD Foundation
Modified:
stable/10/sys/dev/vt/vt_core.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/dev/vt/vt_core.c
==============================================================================
--- stable/10/sys/dev/vt/vt_core.c Tue May 12 18:08:07 2015
(r282822)
+++ stable/10/sys/dev/vt/vt_core.c Tue May 12 18:09:54 2015
(r282823)
@@ -1018,7 +1018,7 @@ vt_determine_colors(term_char_t c, int c
int
vt_is_cursor_in_area(const struct vt_device *vd, const term_rect_t *area)
{
- unsigned int mx, my, x1, y1, x2, y2;
+ unsigned int mx, my;
/*
* We use the cursor position saved during the current refresh,
@@ -1027,18 +1027,12 @@ vt_is_cursor_in_area(const struct vt_dev
mx = vd->vd_mx_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_col;
my = vd->vd_my_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_row;
- x1 = area->tr_begin.tp_col;
- y1 = area->tr_begin.tp_row;
- x2 = area->tr_end.tp_col;
- y2 = area->tr_end.tp_row;
-
- if (((mx >= x1 && x2 - 1 >= mx) ||
- (mx < x1 && mx + vd->vd_mcursor->width >= x1)) &&
- ((my >= y1 && y2 - 1 >= my) ||
- (my < y1 && my + vd->vd_mcursor->height >= y1)))
- return (1);
-
- return (0);
+ if (mx >= area->tr_end.tp_col ||
+ mx + vd->vd_mcursor->width <= area->tr_begin.tp_col ||
+ my >= area->tr_end.tp_row ||
+ my + vd->vd_mcursor->height <= area->tr_begin.tp_row)
+ return (0);
+ return (1);
}
static void
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