增加通讯协议

app/global.cpp

@@ -1,8 +1,10 @@
 #include "global.h"
 #include <QStyle>
 #include <QApplication>
+#include <QAbstractButton>
 #include <QPushButton>
 #include <QEvent>
+#include <QKeyEvent>
 #include <QGraphicsDropShadowEffect>
 
 // 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
@@ -61,7 +63,7 @@ bool ButtonFocusGlow::eventFilter(QObject* obj, QEvent* ev)
             if (ev->type() == QEvent::FocusIn) {
                 if (!w->graphicsEffect()) {   // 挂一圈发光（偏移 0 → 四周光晕）
                     QGraphicsDropShadowEffect* g = new QGraphicsDropShadowEffect(w);
-                    g->setBlurRadius(55);    // 光晕大小（越大越强）
+                    g->setBlurRadius(40);    // 光晕大小（越大越强）
                     g->setOffset(0, 0);
                     g->setColor(m_glow);
                     w->setGraphicsEffect(g);
@@ -80,6 +82,33 @@ void installButtonFocusGlow(QApplication* app)
         app->installEventFilter(new ButtonFocusGlow(QColor("#7FBBFF"), app));   // 亮蓝，深色底更醒目
 }
 
+// ===================== 方向键（旋钮）隔离 =====================
+ArrowKeyGuard::ArrowKeyGuard(QObject* parent)
+    : QObject(parent)
+{
+}
+
+bool ArrowKeyGuard::eventFilter(QObject* obj, QEvent* ev)
+{
+    if (ev->type() == QEvent::KeyPress) {
+        // 只在焦点落在按钮上时拦截：否则 QAbstractButton 会拿方向键去换焦
+        QWidget* fw = QApplication::focusWidget();
+        if (fw && qobject_cast<QAbstractButton*>(fw)) {
+            const int k = static_cast<QKeyEvent*>(ev)->key();
+            if (k == Qt::Key_Up || k == Qt::Key_Down
+                || k == Qt::Key_Left || k == Qt::Key_Right)
+                return true;
+        }
+    }
+    return QObject::eventFilter(obj, ev);
+}
+
+void installArrowKeyGuard(QApplication* app)
+{
+    if (app)
+        app->installEventFilter(new ArrowKeyGuard(app));
+}
+
 QString appStyleSheet()
 {
     const QString s = QString(R"QSS(
@@ -108,7 +137,6 @@ QPushButton {
     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; }
@@ -165,7 +193,7 @@ QHeaderView::section {
     font-size: 40px;
 }
 QTableWidget::item { padding: 6px; }
-QTableWidget::item:selected { background-color: rgba(61,139,253,0.15); color: TXT; }
+QTableWidget::item:selected { background-color: PRI; color: #FFFFFF; }
 
 /* ===== 数字键盘 ===== */
 QPushButton[numpad="true"] {
@@ -177,7 +205,7 @@ QPushButton[numpad="true"]:pressed { background-color: PRI; color: #FFFFFF; }
 QPushButton:focus {
     background-color: PRI;
     color: #FFFFFF;
-    border: 2px solid #8ABFFF;
+    border: 4px solid #8ABFFF;
 }
 QPushButton:focus:disabled {
     background-color: DIS; color: DIST; border: 1px solid DIS;