Experimental cursor warping support

1 files changed, 25 insertions, 0 deletions

diff --git a/src/events.c b/src/events.c
index 7db319d..a9e7ea2 100644
--- a/src/events.c
+++ b/src/events.c
@@ -462,6 +462,31 @@ static void feh_event_handle_MotionNotify(XEvent * ev)
 
 			winwidget_sanitise_offsets(winwid);
 
+			D(4, ("im_x %d, im_w %d, off %d, mx %d\n", winwid->im_x,
+				winwid->im_w, winwid->click_offset_x, ev->xmotion.x));
+
+			if (winwid->w - ev->xmotion.x <= 1) {
+				XWarpPointer(disp, None, winwid->win, 0, 0, 0, 0, 3,
+					ev->xmotion.y);
+				winwid->click_offset_x -= winwid->w - 4;
+			}
+			else if (ev->xmotion.x <= 0) {
+				XWarpPointer(disp, None, winwid->win, 0, 0, 0, 0,
+					winwid->im_w - 4, ev->xmotion.y);
+				winwid->click_offset_x += winwid->w - 3;
+			}
+			else if (winwid->h - ev->xmotion.y <= 1) {
+				XWarpPointer(disp, None, winwid->win, 0, 0, 0, 0,
+					ev->xmotion.x, 3);
+				winwid->click_offset_y -= winwid->h - 4;
+			}
+			else if (ev->xmotion.y <= 0) {
+				XWarpPointer(disp, None, winwid->win, 0, 0, 0, 0,
+					ev->xmotion.x, winwid->im_h - 4);
+				winwid->click_offset_y += winwid->h - 3;
+			}
+
+
 			if ((winwid->im_x != orig_x)
 					|| (winwid->im_y != orig_y))
 				winwidget_render_image(winwid, 0, 0);