QT_wuhan_YT/app/global.cpp

#include "global.h"
#include <QStyle>

// 启动 500ms 闪烁：每 500ms 切换一次动态属性，QSS 据此在 40%↔100% 透明度间切换
QTimer* startBlink(QWidget* w, const char* prop)
{
    // 复用已存在的定时器
    if (auto* t = w->findChild<QTimer*>(QString("blink_") + prop))
        return t;
    QTimer* t = new QTimer(w);
    t->setObjectName(QString("blink_") + prop);
    t->setInterval(500);
    QObject::connect(t, &QTimer::timeout, w, [w, prop]() {
        bool cur = w->property(prop).toBool();
        w->setProperty(prop, !cur);
        w->style()->unpolish(w);
        w->style()->polish(w);
        w->update();
    });
    w->setProperty(prop, true);
    t->start();
    return t;
}

void stopBlink(QWidget* w, const char* prop)
{
    if (auto* t = w->findChild<QTimer*>(QString("blink_") + prop)) {
        t->stop();
        delete t;
    }
    w->setProperty(prop, false);
    w->style()->unpolish(w);
    w->style()->polish(w);
    w->update();
}

QString appStyleSheet()
{
    const QString s = QString(R"QSS(
* {
    font-family: "Microsoft YaHei", "PingFang SC", "Source Han Sans CN";
    outline: none;
}
QWidget {
    background-color: BG;
    color: TXT;
}
QWidget#pageRoot {
    background-color: BG;
}
QLabel {
    background: transparent;
    color: TXT;
}
QLabel[sub="true"] { color: SUB; }
QLabel[title="true"] { color: TXT; font-weight: 700; }

/* ===== 按钮 ===== */
QPushButton {
    background-color: PHI;
    color: TXT;
    border: 1px solid BD;
    border-radius: 12px;
    font-size: 40px;
    min-height: 56px;
}
QPushButton:hover { background-color: PRI; color: TXT; border-color: PRI; }
QPushButton:pressed { background-color: PRI; color: #FFFFFF; border-color: PRI; }
QPushButton:checked { background-color: PRI; color: #FFFFFF; border: none; }
QPushButton:disabled { background-color: DIS; color: DIST; border-color: DIS; }

QPushButton[variant="primary"] { background-color: PRI; color: #FFFFFF; border: none; }
QPushButton[variant="primary"]:disabled { background-color: DIS; color: DIST; }
QPushButton[variant="danger"] { background-color: DAN; color: #FFFFFF; border: 1px solid DAN; border-radius: 6px; }
QPushButton[variant="danger"]:disabled { background-color: DIS; color: DIST; border-color: DIS; }
QPushButton[variant="link"] { background: transparent; color: PRI; border: none; font-size: 22px; }
QPushButton[variant="estop"] {
    background-color: DAN; color: #FFFFFF; border: 1px solid DAN; border-radius: 6px; font-size: 24px; font-weight: 700;
}

/* ===== 输入框 ===== */
QLineEdit {
    background-color: BG;
    border: 2px solid BD;
    border-radius: 8px;
    color: TXT;
    font-size: 50px;
    padding: 0 12px;
}
QLineEdit:focus { border: 3px solid PRI; }

/* ===== 进度条 ===== */
QProgressBar {
    background-color: PHI;
    border: none;
    border-radius: 4px;
    text-align: center;
    color: #FFFFFF;
    font-size: 40px;
}
QProgressBar::chunk { background-color: PRI; border-radius: 4px; }

/* ===== 表格 ===== */
QTableWidget {
    background-color: PAN;
    color: TXT;
    border: 1px solid BD;
    gridline-color: BD;
    font-size: 40px;
    alternate-background-color: #2A3442;
}
QHeaderView::section {
    background-color: PHI;
    color: TXT;
    border: none;
    border-right: 1px solid BD;
    border-bottom: 1px solid BD;
    padding: 8px;
    font-size: 40px;
}
QTableWidget::item { padding: 6px; }
QTableWidget::item:selected { background-color: rgba(61,139,253,0.15); color: TXT; }

/* ===== 数字键盘 ===== */
QPushButton[numpad="true"] {
    background-color: PHI; color: TXT; border: 1px solid BD; border-radius: 12px; font-size: 50px;
}
QPushButton[numpad="true"]:pressed { background-color: PRI; color: #FFFFFF; }

/* ===== 焦点样式（Tab / Shift+Tab / 光标选中：高亮按钮显色 + 边框发亮） ===== */
QPushButton:focus {
    background-color: PRI;
    color: #FFFFFF;
    border: 2px solid #8ABFFF;
}
QPushButton:focus:disabled {
    background-color: DIS; color: DIST; border: 1px solid DIS;
}
QPushButton[variant="danger"]:focus,
QPushButton[variant="estop"]:focus {
    background-color: DAN;
    border: 2px solid #FFA6A9;
}
QPushButton[variant="link"]:focus {
    background: transparent;
    color: PRI;
    border: none;
}
QPushButton[numpad="true"]:focus {
    background-color: PRI;
    color: #FFFFFF;
    border: 2px solid #8ABFFF;
}
QPushButton[cancel="true"]:focus {
    background-color: DAN;
    color: #FFFFFF;
    border: 2px solid #FFA6A9;
}

/* ===== 告警文字（红色闪烁由 blink 属性驱动） ===== */
QLabel[alert="true"] { color: DAN; font-weight: 700; }
QLabel[alert="true"][blink="false"] { color: rgba(229,72,77,102); }
QLabel[amber="true"] { color: WAR; font-weight: 700; }

/* ===== 数据卡片 ===== */
QWidget[card="true"] {
    background-color: PAN;
    border: 2px solid BD;
    border-radius: 12px;
}
QLabel[cardTitle="true"] { color: TXT; font-weight: 700; }
)QSS");

    // 用占位替换（注意：DIST 须在 DIS 之前替换，避免前缀误匹配）
    QString out = s;
    out.replace("DIST", C::DISABLED_T);
    out.replace("DIS",  C::DISABLED);
    out.replace("BG",   C::BG);
    out.replace("PAN",  C::PANEL);
    out.replace("PHI",  C::PANEL_HI);
    out.replace("BD",   C::BORDER);
    out.replace("TXT",  C::TEXT);
    out.replace("SUB",  C::TEXT_SUB);
    out.replace("PRI",  C::PRIMARY);
    out.replace("SUC",  C::SUCCESS);
    out.replace("WAR",  C::WARNING);
    out.replace("DAN",  C::DANGER);
    return out;
}