ref #304, reloadable style sheets

src/blackgui/stylesheetutility.h

@@ -0,0 +1,99 @@
+/* Copyright (C) 2014
+ * 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.
+ */
+
+#ifndef BLACKGUI_STYLESHEETUTILITY_H
+#define BLACKGUI_STYLESHEETUTILITY_H
+
+//! \file
+
+#include <QMap>
+#include <QObject>
+#include <QFont>
+
+namespace BlackGui
+{
+    //! Reads and provides style sheets
+    class CStyleSheetUtility : public QObject
+    {
+        Q_OBJECT
+
+    public:
+
+        //! Read the *.qss files
+        bool read();
+
+        //! Style for file name
+        QString style(const QString &fileName) const;
+
+        //! Multiple styles concatenated
+        QString styles(const QStringList &fileNames) const;
+
+        //! Contains style for name
+        bool containsStyle(const QString &fileName) const;
+
+        //! Update the fonts
+        bool updateFonts(const QFont &font);
+
+        //! Central reader
+        static CStyleSheetUtility &instance()
+        {
+            static CStyleSheetUtility r;
+            return r;
+        }
+
+        //! File name fonts.qss
+        static const QString &fileNameFonts()
+        {
+            static const QString f("fonts.qss");
+            return f;
+        }
+
+        //! File name mainwindow.qss
+        static const QString &fileNameMainWindow()
+        {
+            static const QString f("mainwindow.qss");
+            return f;
+        }
+
+        //! File name dockwidgettab.qss
+        static const QString &fileNameDockWidgetTab()
+        {
+            static const QString f("dockwidgettab.qss");
+            return f;
+        }
+
+        //! File name maininfoarea.qss
+        static const QString &fileNameMainInfoArea()
+        {
+            static const QString f("maininfoarea.qss");
+            return f;
+        }
+
+        //! qss directory
+        static QString qssDirectory();
+
+    signals:
+        //! Sheets have been changed
+        void styleSheetsChanged();
+
+    private:
+        QMap<QString, QString> m_styleSheets; //!< filename, stylesheet
+
+        //! Constructor
+        explicit CStyleSheetUtility(QObject *parent = nullptr);
+
+        //! Font style as string
+        static const QString fontStyleAsString(const QFont &font);
+
+        //! Font weight as string
+        static const QString fontWeightAsString(const QFont &font);
+    };
+
+}
+#endif // guard