QtExamples/QtMyStyleEx/QtExample02/QtStyleEx/mystyle.cpp

/*
 *
 * Gmail:   touwoyimuli@gmai.com
 * blogs:   https://blog.csdn.net/qq_33154343
 *
 * -------------------------------------------------
 * Copyright 2019~2020 touwoyimuli
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "mystyle.h"

#include <QDebug>
#include <QPainter>
#include <QStyleOption>

MyStyle::MyStyle()
{

}

void MyStyle::drawControl(QStyle::ControlElement element, const QStyleOption *opt, QPainter *p, const QWidget *w) const
{
    p->setRenderHint(QPainter::Antialiasing);

    switch (element) {
    case CE_ScrollBarAddPage: {  //增加滑槽
        p->fillRect(opt->rect, QColor("#bfe9ff"));
        return;
    }
    case CE_ScrollBarSubPage: {  //减少滑槽
        p->fillRect(opt->rect, QColor("#EC6EAD"));
        return;
    }
    case CE_ScrollBarSlider: {  //滑块
        p->fillRect(opt->rect, QColor("#A8BFFF"));
        return;
    }
    case CE_ScrollBarAddLine: {  //增加按钮
        p->fillRect(opt->rect, QColor("#21d4fd"));
        return;
    }
    case CE_ScrollBarSubLine: {  //减少按钮
        p->fillRect(opt->rect, QColor("#de6161"));
        return;
    }
    default:
        break;
    }

    return QCommonStyle::drawControl(element, opt, p, w);
}