自检页面调试完成

widgets/ledindicator.cpp

@@ -1,8 +1,19 @@
 #include "ledindicator.h"
 #include <QPainter>
 #include <QRadialGradient>
+#include <QFontMetrics>
 #include "global.h"
 
+QSize LedIndicator::sizeHint() const
+{
+    QFont f = font();
+    f.setPixelSize(m_textPx);
+    const QFontMetrics fm(f);
+    // 宽度 = 文字起点(圆点区 + 左侧 10px) + 文字宽度 + 右侧 10px
+    const int w = textLeft() + fm.horizontalAdvance(m_text) + 10;
+    return QSize(w, 52);   // 高度与构造函数 setFixedHeight(52) 一致
+}
+
 LedIndicator::LedIndicator(const QString& text, QWidget* parent)
     : QWidget(parent), m_text(text)
 {
@@ -35,6 +46,7 @@ void LedIndicator::setState(State s)
 void LedIndicator::setText(const QString& t)
 {
     m_text = t;
+    updateGeometry();   // 文字变了，重新按新宽度请求布局
     update();
 }
 
@@ -84,8 +96,8 @@ void LedIndicator::paintEvent(QPaintEvent*)
     // 文字
     p.setPen(QColor(C::TEXT));
     QFont f = p.font();
-    f.setPixelSize(24);
+    f.setPixelSize(m_textPx);
     p.setFont(f);
-    const QRectF textRect(m_radius * 2 + 16, 0, width() - m_radius * 2 - 16, height());
+    const QRectF textRect(textLeft(), 0, width() - textLeft() - 10, height());
     p.drawText(textRect, Qt::AlignLeft | Qt::AlignVCenter, m_text);
 }

widgets/ledindicator.h

@@ -17,19 +17,24 @@ public:
 
     void setState(State s);
     void setText(const QString& t);
+    void setTextPixelSize(int px) { m_textPx = px; updateGeometry(); update(); }   // 文字字号
+    void setRadius(int r) { m_radius = r; updateGeometry(); update(); }            // 圆形指示点半径
     State state() const { return m_state; }
 
-    QSize sizeHint() const override { return QSize(140, 44); }
+    QSize sizeHint() const override;   // 宽度按文字实际宽度计算，避免文字被裁
 
 protected:
     void paintEvent(QPaintEvent*) override;
 
 private:
+    int textLeft() const { return m_radius * 2 + 18; }   // 文字起点：圆点区 + 左侧 10px 留白
+
     State m_state = Off;
     QString m_text;
     QTimer* m_blink = nullptr;
     bool m_on = true;
     int m_radius = 16;   // 圆形指示点 32×32
+    int m_textPx = 24;   // 文字字号
 };
 
 #endif // LEDINDICATOR_H

widgets/titlebar.cpp

@@ -18,31 +18,49 @@ TitleBar::TitleBar(AppContext* ctx, QWidget* parent)
     setStyleSheet(QString("QWidget#TitleBar{background-color:%1;border-bottom:1px solid %2;}")
                       .arg(C::PANEL, C::BORDER));
 
-    QHBoxLayout* lay = new QHBoxLayout(this);
-    lay->setContentsMargins(24, 0, 24, 0);
-    lay->setSpacing(20);
-
-    // 通信状态
-    m_comm = new LedIndicator("通信正常", this);
+    // 左侧区（通信状态）
+    QWidget* leftBox = new QWidget(this);
+    QHBoxLayout* leftLay = new QHBoxLayout(leftBox);
+    leftLay->setContentsMargins(0, 0, 0, 0);
+    leftLay->setSpacing(20);
+    m_comm = new LedIndicator("通信正常", leftBox);
     m_comm->setState(LedIndicator::Green);
-    lay->addWidget(m_comm);
+    leftLay->addWidget(m_comm);
+    leftLay->addStretch(1);
+
+    // 右侧区（时间 + 软急停）
+    QWidget* rightBox = new QWidget(this);
+    QHBoxLayout* rightLay = new QHBoxLayout(rightBox);
+    rightLay->setContentsMargins(0, 0, 0, 0);
+    rightLay->setSpacing(20);
+    m_time = new QLabel("", rightBox);
+    m_time->setStyleSheet(QString("color:%1;font-size:60px;").arg(C::TEXT_SUB));
+    m_time->setAlignment(Qt::AlignCenter);
+    m_estop = new QPushButton("急停", rightBox);
+    m_estop->setProperty("variant", "estop");
+    m_estop->setStyleSheet("font-size:60px;");
+    m_estop->setFixedSize(180, 80);
+    rightLay->addStretch(1);
+    rightLay->addWidget(m_time);
+    rightLay->addWidget(m_estop);
+
+    // 左右两侧等宽 → 中间标题恰好居中于屏幕
+    const int sideW = 380;   // 需 >= 较宽一侧所需宽度（右侧：时间 + 急停）
+    leftBox->setFixedWidth(sideW);
+    rightBox->setFixedWidth(sideW);
 
     // 标题（居中）
     m_title = new QLabel("", this);
     m_title->setAlignment(Qt::AlignCenter);
-    m_title->setStyleSheet(QString("color:%1;font-size:40px;font-weight:700;").arg(C::TEXT));
+    m_title->setStyleSheet(QString("color:%1;font-size:60px;font-weight:700;").arg(C::TEXT));
+
+    QHBoxLayout* lay = new QHBoxLayout(this);
+    lay->setContentsMargins(24, 6, 24, 6);
+    lay->setSpacing(0);
+    lay->addWidget(leftBox);
     lay->addWidget(m_title, 1);
+    lay->addWidget(rightBox);
 
-    // 时间
-    m_time = new QLabel("", this);
-    m_time->setStyleSheet(QString("color:%1;font-size:26px;").arg(C::TEXT_SUB));
-    m_time->setAlignment(Qt::AlignCenter);
-    lay->addWidget(m_time);
-
-    // 软急停按钮
-    m_estop = new QPushButton("急停", this);
-    m_estop->setProperty("variant", "estop");
-    m_estop->setFixedSize(130, 64);
     connect(m_estop, &QPushButton::clicked, this, [this]() {
         if (m_ctx->estopTriggered) {
             if (ConfirmDialog::confirm(window(), "急停复位", "确定复位急停并恢复系统？"))
@@ -51,7 +69,6 @@ TitleBar::TitleBar(AppContext* ctx, QWidget* parent)
             m_ctx->triggerEstop();
         }
     });
-    lay->addWidget(m_estop);
 
     // 通信状态刷新
     connect(m_ctx->comm(), &UdpCommunication::commOkChanged, this, [this](bool ok) {