Add a GUIMessageDialog class.

src/guimessagedialog.cpp

@@ -0,0 +1,75 @@
+#include "guimessagedialog.h"
+#include "ui_guimessagedialog.h"
+#include "event/EventCenter.h"
+GUIMessageDialog::GUIMessageDialog(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::GUIMessageDialog)
+{
+    ui->setupUi(this);
+    this->setWindowFlags (Qt :: FramelessWindowHint | Qt :: Dialog);
+    this->showFullScreen ();
+    ui->lbl_msg->setVisible(false);
+    ui->lbl_progressicon->setVisible(false);
+    ui->btn_main->setVisible(false);
+    this->setWindowOpacity(0.6);
+    for (int i=1; i<=6;i++)
+    {
+        QString str("      ");
+        for(int j=0;j<i;j++)
+        {
+            str[j]='.';
+        }
+        frame.append(str);
+    }
+    for (int i=1; i<=6;i++)
+    {
+        QString str("......");
+        for(int j=0;j<i;j++)
+        {
+            str[j]=' ';
+        }
+        frame.append(str);
+    }
+    connect(EventCenter::Default(),&EventCenter::InvokeOperationEnd,[=](){
+        if (timerID != -1){
+            killTimer(timerID);
+            timerID = -1;
+        }
+        accept();
+    });
+}
+
+GUIMessageDialog::~GUIMessageDialog()
+{
+    delete ui;
+}
+
+void GUIMessageDialog::timerEvent(QTimerEvent *event) {
+    if (frameIndex>11) frameIndex = frameIndex % 12;
+    ui->lbl_progressicon->setText(frame[frameIndex++]);
+    this->update();
+    printf("trigger timer event\r\n");
+}
+
+void GUIMessageDialog::stopLoading() {
+    if (timerID!=-1)killTimer(timerID);
+    ui->lbl_progressicon->setVisible(false);
+
+}
+
+void GUIMessageDialog::startLoading() {
+    ui->lbl_progressicon->setVisible(true);
+    timerID = startTimer(100);
+}
+
+void GUIMessageDialog::showMessage(QString msg) {
+    ui->lbl_msg->setText(msg);
+}
+
+void GUIMessageDialog::showExitButton() {
+    ui->btn_main->setVisible(true);
+    disconnect(ui->btn_main);
+    connect(ui->btn_main,&QToolButton::clicked,[=](){
+        accept();
+    });
+}