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Warp pointer on first/last pixel

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Previously, the pointer would get warped when it had left the window.
This doesn't work when sxiv is run in fullscreen mode (or similar -- see
dwm's monocle mode): The pointer can never leave the window in such
situations.

To fix this, warp the pointer when it's on the first/last pixel. To
avoid an endless warping loop, the new position must be at least one
pixel away from the next warp position.
This commit is contained in:
Peter Hofmann 2013-09-07 17:06:47 +02:00
parent 26a624a543
commit b98a48576e
1 changed files with 8 additions and 8 deletions
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16
commands.c
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@ -352,14 +352,14 @@ bool i_drag(arg_t a)
y = e.xmotion.y; y = e.xmotion.y;
/* wrap the mouse around */ /* wrap the mouse around */
if (x < 0) { if (x <= 0) {
WARP(win.w, y); WARP(win.w - 2, y);
} else if (x > win.w) { } else if (x >= win.w - 1) {
WARP(0, y); WARP(1, y);
} else if (y < 0) { } else if (y <= 0) {
WARP(x, win.h); WARP(x, win.h - 2);
} else if (y > win.h) { } else if (y >= win.h - 1) {
WARP(x, 0); WARP(x, 1);
} }
dx += x - ox; dx += x - ox;
dy += y - oy; dy += y - oy;