彻底改版2.0

control/devicebutton/devicebutton.cpp

@@ -0,0 +1,217 @@
+#pragma execution_character_set("utf-8")
+
+#include "devicebutton.h"
+#include "qpainter.h"
+#include "qevent.h"
+#include "qtimer.h"
+#include "qdebug.h"
+
+DeviceButton::DeviceButton(QWidget *parent) : QWidget(parent)
+{
+    canMove = false;
+    text = "1";
+    buttonStyle = ButtonStyle_Police;
+    buttonColor = ButtonColor_Green;
+
+    type = "police";
+    imgName = QString(":/image/devicebutton/devicebutton_green_%1.png").arg(type);
+    isDark = false;
+
+    timer = new QTimer(this);
+    timer->setInterval(500);
+    connect(timer, SIGNAL(timeout()), this, SLOT(checkAlarm()));
+
+    this->installEventFilter(this);
+}
+
+DeviceButton::~DeviceButton()
+{
+    if (timer->isActive()) {
+        timer->stop();
+    }
+}
+
+void DeviceButton::paintEvent(QPaintEvent *)
+{
+    double width = this->width();
+    double height = this->height();
+
+    QPainter painter(this);
+    painter.setRenderHint(QPainter::Antialiasing);
+
+    //绘制背景图
+    QImage img(imgName);
+    if (!img.isNull()) {
+        img = img.scaled(width, height, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
+        painter.drawImage(0, 0, img);
+    }
+
+    //计算字体
+    QFont font;
+    font.setPixelSize(height * 0.37);
+    font.setBold(true);
+
+    //自动计算文字绘制区域,绘制防区号
+    QRectF rect = this->rect();
+    if (buttonStyle == ButtonStyle_Police) {
+        double y = (30 * height / 60);
+        rect = QRectF(0, y, width, height - y);
+    } else if (buttonStyle == ButtonStyle_Bubble) {
+        double y = (8 * height / 60);
+        rect = QRectF(0, 0, width, height - y);
+    } else if (buttonStyle == ButtonStyle_Bubble2) {
+        double y = (13 * height / 60);
+        rect = QRectF(0, 0, width, height - y);
+        font.setPixelSize(width * 0.33);
+    } else if (buttonStyle == ButtonStyle_Msg) {
+        double y = (17 * height / 60);
+        rect = QRectF(0, 0, width, height - y);
+    } else if (buttonStyle == ButtonStyle_Msg2) {
+        double y = (17 * height / 60);
+        rect = QRectF(0, 0, width, height - y);
+    }
+
+    //绘制文字标识
+    painter.setFont(font);
+    painter.setPen(Qt::white);
+    painter.drawText(rect, Qt::AlignCenter, text);
+}
+
+bool DeviceButton::eventFilter(QObject *watched, QEvent *event)
+{
+    if (canMove) {
+        static QPoint lastPoint;
+        static bool isPressed = false;
+
+        if (event->type() == QEvent::MouseButtonPress) {
+            QMouseEvent *e = static_cast<QMouseEvent *>(event);
+            if (this->rect().contains(e->pos()) && (e->button() == Qt::LeftButton)) {
+                lastPoint = e->pos();
+                isPressed = true;
+            }
+        } else if (event->type() == QEvent::MouseMove && isPressed) {
+            QMouseEvent *e = static_cast<QMouseEvent *>(event);
+            int dx = e->pos().x() - lastPoint.x();
+            int dy = e->pos().y() - lastPoint.y();
+            this->move(this->x() + dx, this->y() + dy);
+            return true;
+        } else if (event->type() == QEvent::MouseButtonRelease && isPressed) {
+            isPressed = false;
+        }
+    }
+
+    if (event->type() == QEvent::MouseButtonPress) {
+        emit clicked();
+    } else if (event->type() == QEvent::MouseButtonDblClick) {
+        emit doubleClicked();
+    }
+
+    return QWidget::eventFilter(watched, event);
+}
+
+bool DeviceButton::getCanMove() const
+{
+    return this->canMove;
+}
+
+QString DeviceButton::getText() const
+{
+    return this->text;
+}
+
+DeviceButton::ButtonStyle DeviceButton::getButtonStyle() const
+{
+    return this->buttonStyle;
+}
+
+DeviceButton::ButtonColor DeviceButton::getButtonColor() const
+{
+    return this->buttonColor;
+}
+
+QSize DeviceButton::sizeHint() const
+{
+    return QSize(50, 50);
+}
+
+QSize DeviceButton::minimumSizeHint() const
+{
+    return QSize(10, 10);
+}
+
+void DeviceButton::checkAlarm()
+{
+    if (isDark) {
+        imgName = QString(":/image/devicebutton/devicebutton_black_%1.png").arg(type);
+    } else {
+        imgName = QString(":/image/devicebutton/devicebutton_red_%1.png").arg(type);
+    }
+
+    isDark = !isDark;
+    this->update();
+}
+
+void DeviceButton::setCanMove(bool canMove)
+{
+    this->canMove = canMove;
+}
+
+void DeviceButton::setText(const QString &text)
+{
+    if (this->text != text) {
+        this->text = text;
+        this->update();
+    }
+}
+
+void DeviceButton::setButtonStyle(const DeviceButton::ButtonStyle &buttonStyle)
+{
+    this->buttonStyle = buttonStyle;
+    if (buttonStyle == ButtonStyle_Circle) {
+        type = "circle";
+    } else if (buttonStyle == ButtonStyle_Police) {
+        type = "police";
+    } else if (buttonStyle == ButtonStyle_Bubble) {
+        type = "bubble";
+    } else if (buttonStyle == ButtonStyle_Bubble2) {
+        type = "bubble2";
+    } else if (buttonStyle == ButtonStyle_Msg) {
+        type = "msg";
+    } else if (buttonStyle == ButtonStyle_Msg2) {
+        type = "msg2";
+    } else {
+        type = "circle";
+    }
+
+    setButtonColor(buttonColor);
+}
+
+void DeviceButton::setButtonColor(const DeviceButton::ButtonColor &buttonColor)
+{
+    this->buttonColor = buttonColor;
+    isDark = false;
+    if (timer->isActive()) {
+        timer->stop();
+    }
+
+    if (buttonColor == ButtonColor_Green) {
+        imgName = QString(":/image/devicebutton/devicebutton_green_%1.png").arg(type);
+    } else if (buttonColor == ButtonColor_Blue) {
+        imgName = QString(":/image/devicebutton/devicebutton_blue_%1.png").arg(type);
+    } else if (buttonColor == ButtonColor_Gray) {
+        imgName = QString(":/image/devicebutton/devicebutton_gray_%1.png").arg(type);
+    } else if (buttonColor == ButtonColor_Black) {
+        imgName = QString(":/image/devicebutton/devicebutton_black_%1.png").arg(type);
+    } else if (buttonColor == ButtonColor_Purple) {
+        imgName = QString(":/image/devicebutton/devicebutton_purple_%1.png").arg(type);
+    } else if (buttonColor == ButtonColor_Yellow) {
+        imgName = QString(":/image/devicebutton/devicebutton_yellow_%1.png").arg(type);
+    } else if (buttonColor == ButtonColor_Red) {
+        checkAlarm();
+        if (!timer->isActive()) {
+            timer->start();
+        }
+    }
+
+    this->update();
+}