path
text_box_rep::find_box_path (SI x, SI y, SI delta, bool force, bool& found) {
(void) y;
(void) force;
found= true;
STACK_NEW_ARRAY (xpos, SI, N(str)+1);
if (is_nil (xk)) fn->get_xpositions (str, xpos);
else {
fn->get_xpositions (str, xpos, xk->padding);
x += (xk->padding - xk->left);
}
int prev_i, prev_x=0, i=0;
while (i<N(str)) {
prev_i= i;
if (str[i]=='<')
while ((i<N(str)) && (str[i]!='>')) i++;
i++;
int m= (prev_x + xpos[i]) >> 1;
if ((x<m) || ((x==m) && (delta<0))) {
STACK_DELETE_ARRAY (xpos);
return path (prev_i);
}
prev_x= xpos[i];
}
STACK_DELETE_ARRAY (xpos);
return path (i);
}
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));
}
cursor
text_box_rep::find_cursor (path bp) {
metric ex;
cursor cu (0, 0);
int l= min (bp->item, N(str));
fn->get_extents (str (0, l), ex);
cu->ox= 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;
cu->ox= xpos[l] - d;
if (l == 0) cu->ox += d;
if (l == N(str)) cu->ox += xk->right;
STACK_DELETE_ARRAY (xpos);
}
if (l != 0) {
int k= l;
tm_char_backwards (str, k);
fn->get_extents (str (k, l), ex);
}
cu->y1= min (ex->y1, 0);
cu->y2= max (ex->y2, fn->yx);
cu->slope= fn->get_right_slope (str);
return cu;
}
static int
get_position (font fn, string s, SI x) {
int prev_i, prev_x=0, i=0, n=N(s);
STACK_NEW_ARRAY (xpos, SI, n+1);
fn->get_xpositions (s, xpos);
while (i<n) {
prev_i= i;
if (s[i]=='<') {
while ((i<n) && (s[i]!='>')) i++;
if (i<n) i++;
}
else i++;
int m= (prev_x + xpos[i]) >> 1;
if (x<m) {
STACK_DELETE_ARRAY (xpos);
return prev_i;
}
prev_x= xpos[i];
}
STACK_DELETE_ARRAY (xpos);
return i;
}
void
poor_stretched_font_rep::get_xpositions (string s, SI* xpos, SI xk) {
base->get_xpositions (s, xpos, xk);
}
void
poor_stretched_font_rep::get_xpositions (string s, SI* xpos, bool lig) {
base->get_xpositions (s, xpos, lig);
}
void
poor_distorted_font_rep::get_xpositions (string s, SI* xpos, SI xk) {
base->get_xpositions (s, xpos, xk);
}
void
poor_bbb_font_rep::get_xpositions (string s, SI* xpos, SI xk) {
base->get_xpositions (s, xpos, xk);
adjust_xpositions (s, xpos);
}
