static void
init_move(F_line *p, int type, int x, int y, int px, int py)
{
/* turn off all markers */
update_markers(0);
switch (type) {
case O_COMPOUND:
set_cursor(wait_cursor);
cur_c = (F_compound *) p;
list_delete_compound(&objects.compounds, cur_c);
redisplay_compound(cur_c);
set_cursor(null_cursor);
init_compounddragging(cur_c, px, py);
break;
case O_POLYLINE:
set_cursor(wait_cursor);
cur_l = (F_line *) p;
list_delete_line(&objects.lines, cur_l);
redisplay_line(cur_l);
set_cursor(null_cursor);
init_linedragging(cur_l, px, py);
break;
case O_TXT:
set_cursor(wait_cursor);
cur_t = (F_text *) p;
list_delete_text(&objects.texts, cur_t);
redisplay_text(cur_t);
set_cursor(null_cursor);
init_textdragging(cur_t, x, y);
break;
case O_ELLIPSE:
set_cursor(wait_cursor);
cur_e = (F_ellipse *) p;
list_delete_ellipse(&objects.ellipses, cur_e);
redisplay_ellipse(cur_e);
set_cursor(null_cursor);
init_ellipsedragging(cur_e, px, py);
break;
case O_ARC:
set_cursor(wait_cursor);
cur_a = (F_arc *) p;
list_delete_arc(&objects.arcs, cur_a);
redisplay_arc(cur_a);
set_cursor(null_cursor);
init_arcdragging(cur_a, px, py);
break;
case O_SPLINE:
set_cursor(wait_cursor);
cur_s = (F_spline *) p;
list_delete_spline(&objects.splines, cur_s);
redisplay_spline(cur_s);
set_cursor(null_cursor);
init_splinedragging(cur_s, px, py);
break;
default:
return;
}
}
void
splinepoint_deleting(F_spline *spline, F_point *previous_point, F_point *selected_point)
{
F_point *next_point;
F_sfactor *s_prev_point, *selected_sfactor;
next_point = selected_point->next;
set_temp_cursor(wait_cursor);
clean_up();
set_last_prevpoint(previous_point);
/* delete it and redraw underlying objects */
list_delete_spline(&objects.splines, spline);
draw_spline(spline, ERASE);
redisplay_spline(spline);
if (previous_point == NULL) {
spline->points = next_point;
if (open_spline(spline)) {
selected_sfactor = spline->sfactors->next;
spline->sfactors->next = selected_sfactor->next;
} else {
selected_sfactor = spline->sfactors;
spline->sfactors = spline->sfactors->next;
}
} else {
previous_point->next = next_point;
if ((next_point == NULL) && (open_spline(spline)))
previous_point = prev_point(spline->points, previous_point);
s_prev_point = search_sfactor(spline,previous_point);
selected_sfactor = s_prev_point->next;
s_prev_point->next = s_prev_point->next->next;
}
/* put it back in the list and draw the new spline */
list_add_spline(&objects.splines, spline);
/* redraw it and anything on top of it */
redisplay_spline(spline);
set_action_object(F_DELETE_POINT, O_SPLINE);
set_latestspline(spline);
set_last_selectedpoint(selected_point);
set_last_selectedsfactor(selected_sfactor);
set_last_nextpoint(next_point);
set_modifiedflag();
reset_cursor();
}
void undo_add(void)
{
int xmin, ymin, xmax, ymax;
char ctemp[PATH_MAX];
switch (last_object) {
case O_POLYLINE:
list_delete_line(&objects.lines, saved_objects.lines);
redisplay_line(saved_objects.lines);
break;
case O_ELLIPSE:
list_delete_ellipse(&objects.ellipses, saved_objects.ellipses);
redisplay_ellipse(saved_objects.ellipses);
break;
case O_TXT:
list_delete_text(&objects.texts, saved_objects.texts);
redisplay_text(saved_objects.texts);
break;
case O_SPLINE:
list_delete_spline(&objects.splines, saved_objects.splines);
redisplay_spline(saved_objects.splines);
break;
case O_ARC:
list_delete_arc(&objects.arcs, saved_objects.arcs);
redisplay_arc(saved_objects.arcs);
break;
case O_COMPOUND:
list_delete_compound(&objects.compounds, saved_objects.compounds);
redisplay_compound(saved_objects.compounds);
break;
case O_ALL_OBJECT:
cut_objects(&objects, &object_tails);
compound_bound(&saved_objects, &xmin, &ymin, &xmax, &ymax);
redisplay_zoomed_region(xmin, ymin, xmax, ymax);
break;
}
last_action = F_DELETE;
}
