// Mouse Events. Following three functions all work the same:
// Returns true if the mouse-event is finished being handled.
// If returns false, handling will continue up the chain.
// May optionally call capture_focus() to become the target for keypresses.
bool DropDownMenu::handle_mouse_down(DispPoint coord) {
capture_focus();
if (clicked) {
return false;
}
clicked = true;
pre_click_pos = get_rel_pos();
resize(get_w(), menu->get_h());
fill_with_color(get_clear_color());
int vert_adj = -selected_entry_idx * (text_size + vertical_padding*2); // (up)
move_subview(menu, DispPoint()); // reset menu subview
get_parent()->move_subview(this, get_rel_pos() + DispPoint(0,vert_adj));
return true;
}
bool ScrollView::ScrollBar::handle_mouse_motion(VGPoint coord, VGPoint rel_motion) {
if (!clicked) return false;
// const double scroll_bar_range = view->scroll_bar_bottom - view->scroll_bar_top;
//
// double offset = coord.y / scroll_bar_range;
// double display_range = view->display_view->get_h() - (double)view->get_h();
//
// int new_y = offset * display_range;
// view->scroll_y = new_y;
// view->scroll_y_vel = 0;
// const double display_scroll_range = view->display_view->get_h() - view->get_h();
// const double scroll_bar_range = view->scroll_bar_bottom - view->scroll_bar_top;
//
// const double ratio = display_scroll_range / scroll_bar_range;
//
// int old_pos = get_rel_pos().y;
//
// int new_pos = old_pos + rel_motion.y;
//
//
// view->scroll_y += rel_motion.y ;
// view->scroll_y_vel = 0;
int old_pos = get_rel_pos().y;
int new_pos = old_pos + rel_motion.y;
cout << "MOTION: " << rel_motion.y << " " << new_pos << endl;
VGPoint new_coord = adjust_to_parent(coord - click);
view->move_scroll_bar_to(VGPoint(view->scroll_bar_x, new_coord.y));
return true;
}
