1 files changed, 16 insertions, 18 deletions
diff --git a/src/qt/guiutil.h b/src/qt/guiutil.h
index e965a91d18..011827e134 100644
--- a/src/qt/guiutil.h
+++ b/src/qt/guiutil.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011-2017 The Bitcoin Core developers
+// Copyright (c) 2011-2018 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -10,6 +10,7 @@
 
 #include <QEvent>
 #include <QHeaderView>
+#include <QItemDelegate>
 #include <QMessageBox>
 #include <QObject>
 #include <QProgressBar>
@@ -120,9 +121,6 @@ namespace GUIUtil
     // Open the config file
     bool openBitcoinConf();
 
-    // Replace invalid default fonts with known good ones
-    void SubstituteFonts(const QString& language);
-
     /** Qt event filter that intercepts ToolTipChange events, and replaces the tooltip with a rich text
       representation if needed. This assures that Qt can word-wrap long tooltip messages.
       Tooltips longer than the provided size threshold (in characters) are wrapped.
@@ -219,11 +217,11 @@ namespace GUIUtil
     protected:
         void mouseReleaseEvent(QMouseEvent *event);
     };
-    
+
     class ClickableProgressBar : public QProgressBar
     {
         Q_OBJECT
-        
+
     Q_SIGNALS:
         /** Emitted when the progressbar is clicked. The relative mouse coordinates of the click are
          * passed to the signal.
@@ -233,20 +231,20 @@ namespace GUIUtil
         void mouseReleaseEvent(QMouseEvent *event);
     };
 
-#if defined(Q_OS_MAC)
-    // workaround for Qt OSX Bug:
-    // https://bugreports.qt-project.org/browse/QTBUG-15631
-    // QProgressBar uses around 10% CPU even when app is in background
-    class ProgressBar : public ClickableProgressBar
-    {
-        bool event(QEvent *e) {
-            return (e->type() != QEvent::StyleAnimationUpdate) ? QProgressBar::event(e) : false;
-        }
-    };
-#else
     typedef ClickableProgressBar ProgressBar;
-#endif
 
+    class ItemDelegate : public QItemDelegate
+    {
+        Q_OBJECT
+    public:
+        ItemDelegate(QObject* parent) : QItemDelegate(parent) {}
+
+    Q_SIGNALS:
+        void keyEscapePressed();
+
+    private:
+        bool eventFilter(QObject *object, QEvent *event);
+    };
 } // namespace GUIUtil
 
 #endif // BITCOIN_QT_GUIUTIL_H