修改外部同步器的编辑逻辑、添加‘另存为’ 按钮

DigitalInput.cpp

@@ -3,7 +3,9 @@
 #include "MyInputMethod.h"
 #include <QObject>
 #include <QSpinBox>
+#include <QDoubleSpinBox>
 #include <QSpinBox>
+#include <QRegularExpression>
 #include <QDebug>
 #include <QKeyEvent>
 
@@ -52,8 +54,7 @@ DigitalInput::~DigitalInput()
 void DigitalInput::onCharPressed(){
     QPushButton * button = qobject_cast<QPushButton *>(sender());
     QString ch = button->text();
-
-    if (!m_currSpinBox) {       
+    if (!m_currSpinBox && !m_currDoubleSpinBox) {
         ui->traceEdit->insert(ch);
         return;
     }
@@ -62,34 +63,60 @@ void DigitalInput::onCharPressed(){
     QString currentText = ui->traceEdit->text();
     QString newText = currentText.left(cursorPos) + ch + currentText.mid(cursorPos);
 
-    if (newText.isEmpty()) {     
+    if (newText.isEmpty()) {
+        ui->traceEdit->insert(ch);
+        return;
+    }
+
+    if(m_currDoubleSpinBox) {
+        // 用正则表达式判定 newText是否是一个浮点数或部分浮点输入。
+        // 允许的示例: 0.2251, 15.335, 15, -924.02, 5. (末尾点为临时状态), .5
+        // 也允许单独的正负号作为正在输入中的状态: "-" 或 "+"
+        QString simulated = newText;
+
+        // Allow single sign while typing
+        if (simulated == "-" || simulated == "+") {
+            ui->traceEdit->insert(ch);
+            return;
+        }
+
+        // Regular expression: optional sign, then either digits with optional dot+digits, or dot+digits, or digits+dot (partial)
+        // 不限制小数位数；最终的最小/最大以及精度由 hideEvent 写回时决定
+        QRegularExpression re("^[+-]?((\\d+(\\.\\d*)?)|(\\.\\d*))$");
+        QRegularExpressionMatch match = re.match(simulated);
+        if (!match.hasMatch()) {
+            // not a valid float format (even partial) -> reject
+            return;
+        }
+
+        // acceptable -> insert
+        ui->traceEdit->insert(ch);
+        return;
+    }
+
+    if(ch == "." && m_currSpinBox) {
+        // SpinBox不能输入 .
+        return;
+    }
+
+    if(ch == "-" && m_currSpinBox->minimum() && currentText.isEmpty()) {
         ui->traceEdit->insert(ch);
         return;
     }
 
     bool ok = false;
     int value = newText.toInt(&ok);
-    if (!ok) {                    
-        ui->traceEdit->insert(ch);
+    if (!ok) {
         return;
     }
 
     int max = m_currSpinBox->maximum();
-    if (value <= max) {  
+    if (value <= max && value >= m_currSpinBox->minimum()) {  
         ui->traceEdit->insert(ch);
     }
 }
 
 void DigitalInput::onKeyBackspacePressed(){
-
-//     if(m_currSpinBox && QString::number(m_currSpinBox->value()).size() == 1) {
-//         ui->traceEdit->clear();
-//     }
-
-// #ifndef Q_OS_WIN32
-// //QWSServer::sendKeyEvent(0,Qt::Key_Backspace,Qt::NoModifier,true,false);		//锟斤拷系统锟斤拷锟酵硷拷锟斤拷锟铰硷拷
-//     MyInputMethod::sendEvent(Qt::Key_Backspace,Qt::NoModifier);
-// #endif
     int cursorPos = ui->traceEdit->cursorPosition();
     if (cursorPos > 0) {
         QString text = ui->traceEdit->text();
@@ -131,12 +158,6 @@ void DigitalInput::onEnterPressed()
 
 void DigitalInput::onClrPressed()
 {
-    // if(m_currSpinBox) {
-    //     m_currSpinBox->setValue(std::min(m_currSpinBox->maximum(), std::max(m_currSpinBox->minimum(), 0)));
-    //     ui->traceEdit->setText(m_currSpinBox->value());
-    //     // ui->traceEdit->setFocus();
-    // }
-
     ui->traceEdit->clear();
     ui->traceEdit->setFocus();
 }
@@ -147,14 +168,28 @@ void DigitalInput::showEvent(QShowEvent *event)
     raise();
 
     auto focusWidget = qApp->focusWidget();
+
+    QDoubleSpinBox* dbox = dynamic_cast<QDoubleSpinBox*>(focusWidget);
+    if (dbox) {
+        m_currDoubleSpinBox = dbox;
+        m_currSpinBox = nullptr;
+        // Show value without padding trailing zeros (avoid decimals() padding)
+        ui->traceEdit->setText(QString::number(dbox->value(), 'g', 15));
+        ui->traceEdit->setFocus();
+        qDebug() << "The traceEdit has connected to the QDoubleSpinBox: " << dbox->objectName();
+        return;
+    }
+
     QSpinBox* box = dynamic_cast<QSpinBox*>(focusWidget);
     if(!box) {
-        qWarning() << "focusWidget is not QSpinBox";
+        qWarning() << "focusWidget is not QSpinBox or QDoubleSpinBox";
         m_currSpinBox = nullptr;
+        m_currDoubleSpinBox = nullptr;
         return;
     }
 
     m_currSpinBox = box;
+    m_currDoubleSpinBox = nullptr;
     ui->traceEdit->setText(box->text());
     // focusWidget->clearFocus();
     ui->traceEdit->setFocus();
@@ -167,6 +202,18 @@ void DigitalInput::hideEvent(QHideEvent * event)
 {
     QWidget::hideEvent(event);
 
+    if (m_currDoubleSpinBox) {
+        bool ok = false;
+        double value = ui->traceEdit->text().toDouble(&ok);
+        if (!ok) value = m_currDoubleSpinBox->value();
+        double min = m_currDoubleSpinBox->minimum();
+        double max = m_currDoubleSpinBox->maximum();
+        value = qBound(min, value, max);
+        m_currDoubleSpinBox->setValue(value);
+        m_currDoubleSpinBox->clearFocus();
+        return;
+    }
+
     if(m_currSpinBox) {
         int value = ui->traceEdit->text().toInt();
         int min = m_currSpinBox->minimum();