+ case EVENT_BUTTONPRESS:
+ case EVENT_BUTTONRELEASE:
+ {
+ ButtonEvent *button = (ButtonEvent *)&event;
+
+ button->x += video.screen_xoffset;
+ button->y += video.screen_yoffset;
+
+ x = button->x * overlay.grid_xsize / video.screen_width;
+ y = button->y * overlay.grid_ysize / video.screen_height;
+
+ if (button->type == EVENT_BUTTONPRESS)
+ {
+ button_status = button->button;
+
+ grid_button_draw =
+ (overlay.grid_button[x][y] != grid_button[step_nr] ?
+ grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
+
+ set_grid_button = TRUE;
+ }
+ else
+ {
+ button_status = MB_RELEASED;
+ }
+ }
+ break;
+
+ case EVENT_MOTIONNOTIFY:
+ {
+ MotionEvent *motion = (MotionEvent *)&event;
+
+ motion->x += video.screen_xoffset;
+ motion->y += video.screen_yoffset;
+
+ x = motion->x * overlay.grid_xsize / video.screen_width;
+ y = motion->y * overlay.grid_ysize / video.screen_height;
+
+ set_grid_button = TRUE;
+ }
+ break;
+