更新文档

control/lightbutton/lightbutton.cpp

@@ -27,6 +27,7 @@ LightButton::LightButton(QWidget *parent) : QWidget(parent)
     overlayColor = QColor(255, 255, 255);
 
     canMove = false;
+    pressed = false;
     this->installEventFilter(this);
 
     isAlarm = false;
@@ -37,23 +38,21 @@ LightButton::LightButton(QWidget *parent) : QWidget(parent)
 
 bool LightButton::eventFilter(QObject *watched, QEvent *event)
 {
-    if (canMove) {
+    QMouseEvent *mouseEvent = (QMouseEvent *)event;
-        static QPoint lastPoint;
-        static bool pressed = false;
-        QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
-
     if (mouseEvent->type() == QEvent::MouseButtonPress) {
         if (this->rect().contains(mouseEvent->pos()) && (mouseEvent->button() == Qt::LeftButton)) {
             lastPoint = mouseEvent->pos();
             pressed = true;
         }
     } else if (mouseEvent->type() == QEvent::MouseMove && pressed) {
+        if (canMove) {
             int dx = mouseEvent->pos().x() - lastPoint.x();
             int dy = mouseEvent->pos().y() - lastPoint.y();
             this->move(this->x() + dx, this->y() + dy);
+        }
     } else if (mouseEvent->type() == QEvent::MouseButtonRelease && pressed) {
         pressed = false;
-        }
+        emit clicked();
     }
 
     return QWidget::eventFilter(watched, event);

control/lightbutton/lightbutton.h

@@ -71,6 +71,9 @@ private:
     bool showOverlay;               //是否显示遮罩层
     QColor overlayColor;            //遮罩层颜色
 
+    bool pressed;                   //鼠标是否按下
+    QPoint lastPoint;               //鼠标最后按下坐标
+
     bool isAlarm;                   //是否报警
     QTimer *timerAlarm;             //定时器切换颜色
 
@@ -147,6 +150,10 @@ public Q_SLOTS:
     void startAlarm();
     void stopAlarm();
     void alarm();
+
+Q_SIGNALS:
+    //单击信号
+    void clicked();
 };
 
 #endif // LIGHTBUTTON_H