if (flags & F_BLACK)
return nullret;
if (action == FLIP_LIGHT) {
+#ifdef STYLUS_BASED
+ if (flags & F_IMPOSSIBLE || flags & F_LIGHT) c = 'I'; else c = 'L';
+#else
if (flags & F_IMPOSSIBLE) return nullret;
c = 'L';
+#endif
} else {
+#ifdef STYLUS_BASED
+ if (flags & F_IMPOSSIBLE || flags & F_LIGHT) c = 'L'; else c = 'I';
+#else
if (flags & F_LIGHT) return nullret;
c = 'I';
+#endif
}
sprintf(buf, "%c%d,%d", (int)c, cx, cy);
break;
ui->drag = LEFT_DRAG;
ui->release = LEFT_RELEASE;
#ifdef STYLUS_BASED
- ui->state = currstate == GRID_FULL ? GRID_UNKNOWN : GRID_FULL;
+ ui->state = (currstate + 2) % 3; /* FULL -> EMPTY -> UNKNOWN */
#else
ui->state = GRID_FULL;
#endif
ui->drag = RIGHT_DRAG;
ui->release = RIGHT_RELEASE;
#ifdef STYLUS_BASED
- ui->state = currstate == GRID_EMPTY ? GRID_UNKNOWN : GRID_EMPTY;
+ ui->state = (currstate + 1) % 3; /* EMPTY -> FULL -> UNKNOWN */
#else
ui->state = GRID_EMPTY;
#endif
ymin = min(ui->dsy, ui->dey);
ymax = max(ui->dsy, ui->dey);
+#ifndef STYLUS_BASED
/*
* Left-dragging has no effect, so we treat a left-drag as a
* single click on dsx,dsy.
xmin = xmax = ui->dsx;
ymin = ymax = ui->dsy;
}
+#endif
if (x < xmin || x > xmax || y < ymin || y > ymax)
return v; /* no change outside drag area */
* Results of a simple click. Left button sets blanks to
* tents; right button sets blanks to non-tents; either
* button clears a non-blank square.
+ * If stylus-based however, it loops instead.
*/
if (ui->drag_button == LEFT_BUTTON)
+#ifdef STYLUS_BASED
+ v = (v == BLANK ? TENT : (v == TENT ? NONTENT : BLANK));
+ else
+ v = (v == BLANK ? NONTENT : (v == NONTENT ? TENT : BLANK));
+#else
v = (v == BLANK ? TENT : BLANK);
else
v = (v == BLANK ? NONTENT : BLANK);
+#endif
} else {
/*
* Results of a drag. Left-dragging has no effect.
if (ui->drag_button == RIGHT_BUTTON)
v = (v == BLANK ? NONTENT : v);
else
+#ifdef STYLUS_BASED
+ v = (v == BLANK ? NONTENT : v);
+#else
/* do nothing */;
+#endif
}
return v;