1 files changed, 109 insertions, 0 deletions
diff --git a/libk3b/tools/k3btoolbutton.cpp b/libk3b/tools/k3btoolbutton.cpp
new file mode 100644
index 0000000..2e3e468
--- /dev/null
+++ b/libk3b/tools/k3btoolbutton.cpp
@@ -0,0 +1,109 @@
+/* 
+ *
+ * $Id: sourceheader 511311 2006-02-19 14:51:05Z trueg $
+ * Copyright (C) 2006 Sebastian Trueg <trueg@k3b.org>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#include "k3btoolbutton.h"
+
+#include <qstyle.h>
+#include <qpainter.h>
+#include <qevent.h>
+
+#include <kglobalsettings.h>
+#include <kapplication.h>
+
+
+class K3bToolButton::Private
+{
+public:
+  QPoint mousePressPos;
+  bool instantMenu;
+};
+
+
+K3bToolButton::K3bToolButton( QWidget* parent )
+  : QToolButton( parent )
+{
+  d = new Private;
+  d->instantMenu = false;
+  installEventFilter(this);
+}
+
+
+K3bToolButton::~K3bToolButton()
+{
+  delete d;
+}
+
+
+void K3bToolButton::setInstantMenu( bool b )
+{
+  d->instantMenu = b;
+}
+
+
+void K3bToolButton::drawButton( QPainter* p )
+{
+  QToolButton::drawButton( p );
+
+  //
+  // code below comes from ktoolbarbutton.cpp from the kdelibs sources
+  // see the file for copyright information
+  //
+  if( QToolButton::popup() ) {
+    QStyle::SFlags arrowFlags = QStyle::Style_Default;
+    
+    if( isDown() )
+      arrowFlags |= QStyle::Style_Down;
+    if( isEnabled() )
+      arrowFlags |= QStyle::Style_Enabled;
+    
+    style().drawPrimitive(QStyle::PE_ArrowDown, p,
+			  QRect(width()-7, height()-7, 7, 7), colorGroup(),
+			  arrowFlags, QStyleOption() );
+  }
+}
+
+
+bool K3bToolButton::eventFilter( QObject* o, QEvent* ev )
+{
+  if( dynamic_cast<K3bToolButton*>(o) == this ) {
+
+    // Popup the menu when the left mousebutton is pressed and the mouse
+    // is moved by a small distance.
+    if( QToolButton::popup() ) {
+      if( ev->type() == QEvent::MouseButtonPress ) {
+	QMouseEvent* mev = static_cast<QMouseEvent*>(ev);
+
+	if( d->instantMenu ) {
+	  setDown(true);
+	  openPopup();
+	  return true;
+	}
+	else {
+	  d->mousePressPos = mev->pos();
+	}
+      }
+      else if( ev->type() == QEvent::MouseMove ) {
+        QMouseEvent* mev = static_cast<QMouseEvent*>(ev);
+        if( !d->instantMenu &&
+	    ( mev->pos() - d->mousePressPos).manhattanLength() > KGlobalSettings::dndEventDelay() ) {
+	  openPopup();
+          return true;
+        }
+      }
+    }
+  }
+
+  return QToolButton::eventFilter( o, ev );
+}