selection
text_box_rep::find_selection (path lbp, path rbp) {
SI x1, y1, x2, y2;
metric ex;
fn->get_extents (str (0, lbp->item), ex);
x1= ex->x2;
fn->get_extents (str (0, rbp->item), ex);
x2= ex->x2;
if (!is_nil (xk) && N(str) != 0) {
STACK_NEW_ARRAY (xpos, SI, N(str)+1);
fn->get_xpositions (str, xpos, xk->padding);
SI d= xk->padding - xk->left;
x1= xpos[lbp->item] - d;
x2= xpos[rbp->item] - d;
if (lbp->item == 0) x1 += d;
if (rbp->item == 0) x2 += d;
if (lbp->item == N(str)) x1 += xk->right;
if (rbp->item == N(str)) x2 += xk->right;
STACK_DELETE_ARRAY (xpos);
}
fn->get_extents (str (lbp->item, rbp->item), ex);
y1= ex->y1;
y2= ex->y2;
return selection (rectangle (x1, y1, x2, y2),
find_tree_path (lbp), find_tree_path (rbp));
}
selection
box_rep::find_selection (path lbp, path rbp) {
if (lbp == rbp)
return selection (rectangles (),
find_tree_path (lbp), find_tree_path (rbp));
else
return selection (rectangle (x1, y1, x2, y2),
find_tree_path (path (0)), find_tree_path (path (1)));
}
path
box_rep::find_tree_path (SI x, SI y, SI delta) {
path bp= find_box_path (x, y, delta, false);
//cout << "Find " << x << ", " << y << "; " << delta;
//cout << " -> " << bp << "\n";
return find_tree_path (bp);
}
gr_selections
box_rep::graphical_select (SI x, SI y, SI dist) {
gr_selections res;
if (graphical_distance (x, y) <= dist) {
gr_selection gs;
gs->type= "box";
gs->dist= graphical_distance (x, y);
gs->cp << find_tree_path (x, y, dist);
// FIXME: check whether this is correct: I do not remember whether
// find_tree_path returns an absolute or a relative path
gs->c= curve ();
res << gs;
}
return res;
}
gr_selections
box_rep::graphical_select (SI x1, SI y1, SI x2, SI y2) {
gr_selections res;
if (in_rectangle (x1, y1, x2, y2)) {
gr_selection gs;
gs->type= "box";
gs->dist= graphical_distance (x1, y1);
SI dist= (SI)norm (point (x2-x1, y2-y1));
gs->cp << find_tree_path (x1, y1, dist);
// FIXME: as above, check whether this is correct or not
gs->pts= array<point> (0);
gs->c= curve ();
res << gs;
}
return res;
}
