#include "scroll.h"
namespace Flex_Qt {
void V_Scroll_Bar::draw(QPainter* painter) {
    auto device = painter->device();
    double ww = device->width();
    double hh = device->height();
    painter->save();
    auto bar_rect = get_bar_rect(ww, hh);
    painter->setClipRect(bar_rect);
    painter->fillRect(bar_rect, background_color);
    painter->fillRect(get_slider_rect(ww, hh), slider_color);
    painter->restore();
}
QRect V_Scroll_Bar::get_slider_rect(int ww, int hh) {
    double x = ww - w;
    QRect slider(x, pos() + start, w, slider_len());
    return slider;
}
QRect V_Scroll_Bar::get_bar_rect(int ww, int hh) {
    double x = ww - w;
    QRect bar_rect(x, 0 + start, w, bar_len());
    return bar_rect;
}
void H_Scroll_Bar::draw(QPainter* painter) {
    auto device = painter->device();
    double ww = device->width();
    double hh = device->height();
    painter->save();
    auto bar_rect = get_bar_rect(ww, hh);
    painter->setClipRect(bar_rect);
    painter->fillRect(bar_rect, background_color);
    painter->fillRect(get_slider_rect(ww, hh), slider_color);
    painter->restore();
}
QRect H_Scroll_Bar::get_slider_rect(int ww, int hh) {
    double y = hh - h;
    QRect slider_rect(pos() + start, y, slider_len(), h);
    return slider_rect;
}
QRect H_Scroll_Bar::get_bar_rect(int ww, int hh) {
    double y = hh - h;
    QRect bar_rect(0 + start, y, bar_len(), h);
    return bar_rect;
}
}