init

device/ui/devicesysteminfowidget.cpp

@@ -0,0 +1,59 @@
+#include"devicesysteminfowidget.h"
+#include "ui_devicesysteminfowidget.h"
+#include <QPainter>
+#include <QDebug>
+#include "deviceinfo.h"
+
+
+DeviceSystemInfoWidget::DeviceSystemInfoWidget(QWidget *parent):
+    QFrame(parent),
+    ui(new Ui::DeviceSystemInfoWidget)
+{
+    ui->setupUi(this);
+    // 获取文本光标（不是鼠标光标）
+    cursorPosition = ui->textEdit->textCursor();
+
+    //insertInformationToText("杭州");
+    //insertInformationToText("中国");
+    connect(DEVICE_INFO,SIGNAL(deviceSystemInfoSGL(const QString,SYS_INFO_LEVEL)),this,SLOT(insertInformationToText(const QString&,SYS_INFO_LEVEL)));
+
+}
+
+
+DeviceSystemInfoWidget::~DeviceSystemInfoWidget()
+{
+    delete ui;
+}
+
+void DeviceSystemInfoWidget::insertInformationToText(const QString text,SYS_INFO_LEVEL level)
+{
+    cursorPosition.movePosition(QTextCursor::Start,QTextCursor::MoveAnchor);
+    cursorPosition.insertText("\n");
+    cursorPosition.movePosition(QTextCursor::Start,QTextCursor::MoveAnchor);
+    cursorPosition.insertText(text);
+    //选中该行文字
+    cursorPosition.movePosition(QTextCursor::Start,QTextCursor::MoveAnchor);
+    //qDebug()<<"------text.length(): "<<text.length()<<endl;
+    cursorPosition.setPosition(cursorPosition.position() + text.length(),QTextCursor::KeepAnchor);
+    // 只选单词，不选数字
+    //cursorPosition.select(QTextCursor::WordUnderCursor);
+    //cursorPosition.select(QTextCursor::LineUnderCursor);
+    cursorPosition.select(QTextCursor::BlockUnderCursor);
+
+    QTextCharFormat fmt;
+    switch (level)
+    {
+        case D_NOTHING:
+        fmt.setForeground(QColor(255, 255, 255));
+        break;
+        case D_WARNING:
+        fmt.setForeground(QColor(255, 160, 14));
+        break;
+        case D_CRITICAL:
+        fmt.setForeground(QColor(255, 53, 21));
+        break;
+    }
+    // 把格式应用到光标所处在的字符上
+    cursorPosition.mergeCharFormat(fmt);
+    cursorPosition.clearSelection(); //撤销选中
+}