static void place_arc(int x, int y) { elastic_movearc(new_a); /* erase last lengths if appres.showlengths is true */ erase_lengths(); place_arc_x(x, y); }
static void array_place_arc(int x, int y) { int i, j, delta_x, delta_y, start_x, start_y; int nx, ny; F_arc *save_arc; elastic_movearc(new_a); /* erase last lengths if appres.showlengths is true */ erase_lengths(); tail(&objects, &object_tails); save_arc = new_a; if ((!cur_numxcopies) && (!cur_numycopies)) { place_arc(x, y); } else { delta_x = cur_x - fix_x; delta_y = cur_y - fix_y; start_x = cur_x - delta_x; start_y = cur_y - delta_y; if ((cur_numxcopies < 2) && (cur_numycopies < 2)) { /* special cases */ if (cur_numxcopies > 0) { place_arc_x(start_x+delta_x, start_y); new_a = copy_arc(cur_a); } if (cur_numycopies > 0) { place_arc_x(start_x, start_y+delta_y); new_a = copy_arc(cur_a); } } else { nx = cur_numxcopies; if (nx == 0) nx++; ny = cur_numycopies; if (ny == 0) ny++; for (i = 0, x = start_x; i < nx; i++, x+=delta_x) { for (j = 0, y = start_y; j < ny; j++, y+=delta_y) { if (i || j ) { place_arc_x(x, y); new_a = copy_arc(cur_a); } } } } } /* put all new arcs in the saved objects structure for undo */ saved_objects.arcs = save_arc; set_action_object(F_ADD, O_ALL_OBJECT); /* turn back on all relevant markers */ update_markers(new_objmask); }
void init_arcdragging(F_arc *a, int x, int y) { new_a = a; fix_x = cur_x = x; fix_y = cur_y = y; canvas_locmove_proc = moving_arc; canvas_ref_proc = elastic_movenewarc; canvas_leftbut_proc = place_arc; canvas_middlebut_proc = array_place_arc; canvas_rightbut_proc = cancel_drag_arc; set_action_on(); elastic_movearc(new_a); }
static void cancel_drag_arc(void) { canvas_ref_proc = canvas_locmove_proc = null_proc; elastic_movearc(new_a); /* erase last lengths if appres.showlengths is true */ erase_lengths(); if (return_proc == copy_selected) { free_arc(&new_a); } else { list_add_arc(&objects.arcs, new_a); redisplay_arc(new_a); } /* turn back on all relevant markers */ update_markers(new_objmask); (*return_proc) (); draw_mousefun_canvas(); }
void elastic_movenewarc(void) { elastic_movearc(new_a); }