Allow text messages on the splash screen, currently used with setup reader

src/blackgui/splashscreen.cpp

@@ -0,0 +1,58 @@
+/* Copyright (C) 2018
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+#include "splashscreen.h"
+
+using namespace BlackMisc;
+
+namespace BlackGui
+{
+    CSplashScreen::CSplashScreen(const QPixmap &pixmap) : QSplashScreen(pixmap)
+    {
+        const int heightTe = 60;
+        const int height = pixmap.height();
+        const int width = qRound(0.9 * pixmap.width());
+        const int yPos = (height - heightTe) / 2;
+        const int xPos = (pixmap.width() - width) / 2;
+
+        m_label = new QLabel(this);
+        m_label->setGeometry(xPos, yPos, width, 80);
+        m_label->setAlignment(Qt::AlignCenter);
+        m_label->setStyleSheet("background: rgba(0,0,0,0); color: white;");
+        m_label->setWordWrap(true);
+        m_label->setVisible(false);
+
+        m_hideTextTimer.setSingleShot(true);
+        connect(&m_hideTextTimer, &QTimer::timeout, this, &CSplashScreen::hideText);
+    }
+
+    void CSplashScreen::showStatusMessage(const QString &html)
+    {
+        if (html.isEmpty()) { return; }
+        m_label->setVisible(true);
+        m_label->setText(html);
+        m_hideTextTimer.start(2000);
+    }
+
+    void CSplashScreen::showStatusMessage(const BlackMisc::CStatusMessage &message)
+    {
+        this->showStatusMessage(message.toHtml(true, true));
+    }
+
+    void CSplashScreen::setSplashFont(const QFont &font)
+    {
+        this->setFont(font);
+        m_label->setFont(font);
+    }
+
+    void CSplashScreen::hideText()
+    {
+        m_label->setVisible(false);
+    };
+}