基于IMX6ULL的智能车载终端项目（代码开源）_imx6ull 开源 linux 项目 车载终端(1)_imx6ul项目

durationSlider->setObjectName("durationSlider");

/* 音乐列表 */
listWidget = new QListWidget();
listWidget->setObjectName("listWidget");
listWidget->resize(310, 265);
listWidget->setVerticalScrollBarPolicy(
            Qt::ScrollBarAlwaysOff);
listWidget->setHorizontalScrollBarPolicy(
            Qt::ScrollBarAlwaysOff);

/* 列表遮罩 */
listMask = new QWidget(listWidget);
listMask->setMinimumSize(310, 50);
listMask->setMinimumHeight(50);
listMask->setObjectName("listMask");
listMask->setGeometry(0,
                      listWidget->height() - 50,
                      310,
                      50);


/* 设置对象名称 */
pushButton[0]->setObjectName("btn_previous");
pushButton[1]->setObjectName("btn_play");
pushButton[2]->setObjectName("btn_next");
pushButton[3]->setObjectName("btn_favorite");
pushButton[4]->setObjectName("btn_mode");
pushButton[5]->setObjectName("btn_menu");
pushButton[6]->setObjectName("btn_volume");

/* 设置按钮属性 */
pushButton[1]->setCheckable(true);
pushButton[3]->setCheckable(true);

/* H0布局 */
vWidget[0]->setMinimumSize(310, 480);
vWidget[0]->setMaximumWidth(310);
vWidget[1]->setMinimumSize(320, 480);
QSpacerItem *hSpacer0 = new
        QSpacerItem(70, 480,
                    QSizePolicy::Minimum,
                    QSizePolicy::Maximum);

QSpacerItem *hSpacer1 = new
        QSpacerItem(65, 480,
                    QSizePolicy::Minimum,
                    QSizePolicy::Maximum);

QSpacerItem *hSpacer2 = new
        QSpacerItem(60, 480,
                    QSizePolicy::Minimum,
                    QSizePolicy::Maximum);

hBoxLayout[0]->addSpacerItem(hSpacer0);
hBoxLayout[0]->addWidget(vWidget[0]);
hBoxLayout[0]->addSpacerItem(hSpacer1);
hBoxLayout[0]->addWidget(vWidget[1]);
hBoxLayout[0]->addSpacerItem(hSpacer2);
hBoxLayout[0]->setContentsMargins(0, 0, 0, 0);

hWidget[0]->setLayout(hBoxLayout[0]);
setCentralWidget(hWidget[0]);

/* V0布局 */
listWidget->setMinimumSize(310, 265);
hWidget[1]->setMinimumSize(310, 80);
hWidget[1]->setMaximumHeight(80);
label[0]->setMinimumSize(310, 95);
label[0]->setMaximumHeight(95);
QSpacerItem *vSpacer0 = new
        QSpacerItem(310, 10,
                    QSizePolicy::Minimum,
                    QSizePolicy::Maximum);
QSpacerItem *vSpacer1 = new
        QSpacerItem(310, 30,
                    QSizePolicy::Minimum,
                    QSizePolicy::Minimum);
vBoxLayout[0]->addWidget(label[0]);
vBoxLayout[0]->addWidget(listWidget);
vBoxLayout[0]->addSpacerItem(vSpacer0);
vBoxLayout[0]->addWidget(hWidget[1]);
vBoxLayout[0]->addSpacerItem(vSpacer1);
vBoxLayout[0]->setContentsMargins(0, 0, 0, 0);

vWidget[0]->setLayout(vBoxLayout[0]);

/* H1布局 */
for (int i = 0; i < 3; i++) {
    pushButton[i]->setMinimumSize(80, 80);
}
QSpacerItem *hSpacer3 = new
        QSpacerItem(40, 80,
                    QSizePolicy::Expanding,
                    QSizePolicy::Expanding);
QSpacerItem *hSpacer4 = new
        QSpacerItem(40, 80,
                    QSizePolicy::Expanding,
                    QSizePolicy::Expanding);
hBoxLayout[1]->addWidget(pushButton[0]);
hBoxLayout[1]->addSpacerItem(hSpacer3);
hBoxLayout[1]->addWidget(pushButton[1]);
hBoxLayout[1]->addSpacerItem(hSpacer4);
hBoxLayout[1]->addWidget(pushButton[2]);
hBoxLayout[1]->setContentsMargins(0, 0, 0, 0);

hWidget[1]->setLayout(hBoxLayout[1]);

/* V1布局 */
QSpacerItem *vSpacer2 = new
        QSpacerItem(320, 40,
                    QSizePolicy::Minimum,
                    QSizePolicy::Maximum);
QSpacerItem *vSpacer3 = new
        QSpacerItem(320, 20,
                    QSizePolicy::Minimum,
                    QSizePolicy::Maximum);
QSpacerItem *vSpacer4 = new
        QSpacerItem(320, 30,
                    QSizePolicy::Minimum,
                    QSizePolicy::Minimum);
label[1]->setMinimumSize(320, 320);
QImage Image;
Image.load(":/images/cd.png");
QPixmap pixmap = QPixmap::fromImage(Image);
int with = 320;
int height = 320;
QPixmap fitpixmap =
        pixmap.scaled(with, height,
                      Qt::IgnoreAspectRatio,
                      Qt::SmoothTransformation);
label[1]->setPixmap(fitpixmap);
label[1]->setAlignment(Qt::AlignCenter);
vWidget[2]->setMinimumSize(300, 80);
vWidget[2]->setMaximumHeight(80);
vBoxLayout[1]->addSpacerItem(vSpacer2);
vBoxLayout[1]->addWidget(label[1]);
vBoxLayout[1]->addSpacerItem(vSpacer3);
vBoxLayout[1]->addWidget(durationSlider);
vBoxLayout[1]->addWidget(vWidget[2]);
vBoxLayout[1]->addSpacerItem(vSpacer4);
vBoxLayout[1]->setContentsMargins(0, 0, 0, 0);

vWidget[1]->setLayout(vBoxLayout[1]);

/* V2布局 */
QSpacerItem *vSpacer5 = new
        QSpacerItem(300, 10,
                    QSizePolicy::Minimum,
                    QSizePolicy::Maximum);
hWidget[2]->setMinimumSize(320, 20);
hWidget[3]->setMinimumSize(320, 60);
vBoxLayout[2]->addWidget(hWidget[2]);
vBoxLayout[2]->addSpacerItem(vSpacer5);
vBoxLayout[2]->addWidget(hWidget[3]);
vBoxLayout[2]->setContentsMargins(0, 0, 0, 0);

vWidget[2]->setLayout(vBoxLayout[2]);

/* H2布局 */
QFont font;

font.setPixelSize(10);

/* 设置标签文本 */
label[0]->setText("Q Music，Enjoy it！");
label[2]->setText("00:00");
label[3]->setText("00:00");
label[2]->setSizePolicy(QSizePolicy::Expanding,
                        QSizePolicy::Expanding);
label[3]->setSizePolicy(QSizePolicy::Expanding,
                        QSizePolicy::Expanding);
label[3]->setAlignment(Qt::AlignRight);
label[2]->setAlignment(Qt::AlignLeft);
label[2]->setFont(font);
label[3]->setFont(font);

pal.setColor(QPalette::WindowText, Qt::white);
label[0]->setPalette(pal);
label[2]->setPalette(pal);
label[3]->setPalette(pal);

hBoxLayout[2]->addWidget(label[2]);
hBoxLayout[2]->addWidget(label[3]);

hBoxLayout[2]->setContentsMargins(0, 0, 0, 0);
hWidget[2]->setLayout(hBoxLayout[2]);

/* H3布局 */
QSpacerItem *hSpacer5 = new
        QSpacerItem(0, 60,
                    QSizePolicy::Minimum,
                    QSizePolicy::Maximum);
QSpacerItem *hSpacer6 = new
        QSpacerItem(80, 60,
                    QSizePolicy::Maximum,
                    QSizePolicy::Maximum);
QSpacerItem *hSpacer7 = new
        QSpacerItem(80, 60,
                    QSizePolicy::Maximum,
                    QSizePolicy::Maximum);
QSpacerItem *hSpacer8 = new
        QSpacerItem(80, 60,
                    QSizePolicy::Maximum,
                    QSizePolicy::Maximum);
QSpacerItem *hSpacer9 = new
        QSpacerItem(0, 60,
                    QSizePolicy::Minimum,
                    QSizePolicy::Maximum);

for (int i = 3; i < 7; i++) {
    pushButton[i]->setMinimumSize(25, 25);
    pushButton[i]->setMaximumSize(25, 25);
}

hBoxLayout[3]->addSpacerItem(hSpacer5);
hBoxLayout[3]->addWidget(pushButton[3]);
hBoxLayout[3]->addSpacerItem(hSpacer6);
hBoxLayout[3]->addWidget(pushButton[4]);
hBoxLayout[3]->addSpacerItem(hSpacer7);
hBoxLayout[3]->addWidget(pushButton[5]);
hBoxLayout[3]->addSpacerItem(hSpacer8);
hBoxLayout[3]->addWidget(pushButton[6]);
hBoxLayout[3]->addSpacerItem(hSpacer9);
hBoxLayout[3]->setContentsMargins(0, 0, 0, 0);
hBoxLayout[3]->setAlignment(Qt::AlignHCenter);

hWidget[3]->setLayout(hBoxLayout[3]);

//hWidget[0]->setStyleSheet("background-color:red");
//hWidget[1]->setStyleSheet("background-color:#ff5599");
//hWidget[2]->setStyleSheet("background-color:#ff55ff");
//hWidget[3]->setStyleSheet("background-color:black");
//vWidget[0]->setStyleSheet("background-color:#555555");
//vWidget[1]->setStyleSheet("background-color:green");
//vWidget[2]->setStyleSheet("background-color:gray");
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}

MainWindow::~MainWindow()
{
}

void MainWindow::btn_play_clicked()
{
int state = musicPlayer->state();

switch (state) {
case QMediaPlayer::StoppedState:
    /* 媒体播放 */
    musicPlayer->play();
    break;

case QMediaPlayer::PlayingState:
    /* 媒体暂停 */
    musicPlayer->pause();
    break;

case QMediaPlayer::PausedState:
    musicPlayer->play();
    break;
}
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}

void MainWindow::btn_next_clicked()
{
musicPlayer->stop();
int count = mediaPlaylist->mediaCount();
if (0 == count)
ret