wmii/geom.c

85 lines
1.5 KiB
C

/* (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com>
* See LICENSE file for license details.
*/
#include "wmii.h"
Bool
ispointinrect(int x, int y, XRectangle * r) {
return (x >= r->x) && (x < r_east(r))
&& (y >= r->y) && (y < r_south(r));
}
BlitzAlign
quadofcoord(XRectangle *rect, int x, int y) {
BlitzAlign ret = 0;
x -= rect->x;
y -= rect->y;
if(x >= rect->width * .5)
ret |= EAST;
if(x <= rect->width * .5)
ret |= WEST;
if(y <= rect->height * .5)
ret |= NORTH;
if(y >= rect->height * .5)
ret |= SOUTH;
return ret;
}
Cursor
cursor_of_quad(BlitzAlign align) {
switch(align) {
case NEAST:
return cursor[CurNECorner];
case NWEST:
return cursor[CurNWCorner];
case SEAST:
return cursor[CurSECorner];
case SWEST:
return cursor[CurSWCorner];
default:
return cursor[CurMove];
}
}
/* Syntax: <x> <y> <width> <height> */
int
strtorect(XRectangle *r, const char *val) {
XRectangle new;
if (!val)
return -1;
if(sscanf(val, "%hd %hd %hu %hu", &new.x, &new.y, &new.width, &new.height) != 4)
return -1;
*r = new;
return 0;
}
int
r_east(XRectangle *r) {
return r->x + r->width;
}
int
r_south(XRectangle *r) {
return r->y + r->height;
}
BlitzAlign
get_sticky(XRectangle *src, XRectangle *dst) {
BlitzAlign stickycorner = 0;
if(src->x != dst->x && r_east(src) == r_east(dst))
stickycorner |= EAST;
else
stickycorner |= WEST;
if(src->y != dst->y && r_south(src) == r_south(dst))
stickycorner |= SOUTH;
else
stickycorner |= NORTH;
return stickycorner;
}