Extract ClickableLabel class

src/libtomahawk/CMakeLists.txt

@@ -138,6 +138,7 @@ set( libGuiSources
     widgets/BreadcrumbButton.cpp
     widgets/ChartDataLoader.cpp
     widgets/CheckDirTree.cpp
+    widgets/ClickableLabel.cpp
     widgets/ComboBox.cpp
     widgets/ElidedLabel.cpp
     widgets/FadingPixmap.cpp

src/libtomahawk/widgets/ClickableLabel.cpp

@@ -0,0 +1,78 @@
+/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
+ *
+ *   Copyright 2010-2011, Christian Muehlhaeuser <muesli@tomahawk-player.org>
+ *   Copyright 2014,      Uwe L. Korn <uwelk@xhochy.com>
+ *
+ *   Tomahawk 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 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Tomahawk is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Tomahawk. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "ClickableLabel.h"
+
+#include <QApplication>
+#include <QMouseEvent>
+
+ClickableLabel::ClickableLabel( QWidget* parent )
+  : QLabel( parent )
+  , m_pressed( false )
+  , m_moved( false )
+{
+}
+
+ClickableLabel::~ClickableLabel()
+{
+}
+
+
+void
+ClickableLabel::mousePressEvent( QMouseEvent* event )
+{
+    QLabel::mousePressEvent( event );
+
+    if ( !m_moved )
+    {
+        m_time.start();
+
+        m_pressed = true;
+        m_dragPoint = event->pos();
+    }
+}
+
+
+void
+ClickableLabel::mouseReleaseEvent( QMouseEvent* event )
+{
+    QLabel::mouseReleaseEvent( event );
+
+    if ( !m_moved && m_time.elapsed() < qApp->doubleClickInterval() )
+        emit clicked();
+
+    m_pressed = false;
+    m_moved = false;
+}
+
+
+void
+ClickableLabel::mouseMoveEvent( QMouseEvent* event )
+{
+    if ( m_pressed )
+    {
+        QPoint delta = m_dragPoint - event->pos();
+        if ( abs( delta.y() ) > 3 )
+        {
+            m_moved = true;
+            emit resized( delta );
+        }
+    }
+}
+

src/libtomahawk/widgets/ClickableLabel.h

@@ -0,0 +1,57 @@
+/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
+ *
+ *   Copyright 2010-2011, Christian Muehlhaeuser <muesli@tomahawk-player.org>
+ *   Copyright 2014,      Uwe L. Korn <uwelk@xhochy.com>
+ *
+ *   Tomahawk 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 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Tomahawk is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Tomahawk. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+#ifndef CLICKABLELABEL_H
+#define CLICKABLELABEL_H
+
+#include <QLabel>
+#include <QTime>
+
+#include "DllMacro.h"
+
+class DLLEXPORT ClickableLabel : public QLabel
+{
+    Q_OBJECT
+
+public:
+
+    ClickableLabel( QWidget* parent );
+    virtual ~ClickableLabel();
+
+signals:
+
+    void clicked();
+    void resized( const QPoint& delta );
+
+public slots:
+
+    void mousePressEvent( QMouseEvent* event );
+    void mouseReleaseEvent( QMouseEvent* event );
+    void mouseMoveEvent( QMouseEvent* event );
+
+private:
+
+    QPoint m_dragPoint;
+    bool m_pressed;
+    bool m_moved;
+    QTime m_time;
+};
+
+#endif // CLICKABLELABEL_H

src/libtomahawk/widgets/HeaderLabel.cpp

@@ -18,9 +18,7 @@
 
 #include "HeaderLabel.h"
 
-#include <QApplication>
 #include <QPainter>
-#include <QMouseEvent>
 
 #include "utils/Logger.h"
 #include "utils/TomahawkStyle.h"
@@ -28,10 +26,8 @@
 
 
 HeaderLabel::HeaderLabel( QWidget* parent )
-    : QLabel( parent )
+    : ClickableLabel( parent )
     , m_parent( parent )
-    , m_pressed( false )
-    , m_moved( false )
 {
     QFont f( font() );
     f.setBold( true );
@@ -55,49 +51,6 @@ HeaderLabel::sizeHint() const
 }
 
 
-void
-HeaderLabel::mousePressEvent( QMouseEvent* event )
-{
-    QFrame::mousePressEvent( event );
-
-    if ( !m_moved )
-    {
-        m_time.start();
-
-        m_pressed = true;
-        m_dragPoint = event->pos();
-    }
-}
-
-
-void
-HeaderLabel::mouseReleaseEvent( QMouseEvent* event )
-{
-    QFrame::mouseReleaseEvent( event );
-
-    if ( !m_moved && m_time.elapsed() < qApp->doubleClickInterval() )
-        emit clicked();
-
-    m_pressed = false;
-    m_moved = false;
-}
-
-
-void
-HeaderLabel::mouseMoveEvent( QMouseEvent* event )
-{
-    if ( m_pressed )
-    {
-        QPoint delta = m_dragPoint - event->pos();
-        if ( abs( delta.y() ) > 3 )
-        {
-            m_moved = true;
-            emit resized( delta );
-        }
-    }
-}
-
-
 void
 HeaderLabel::paintEvent( QPaintEvent* /* event */ )
 {

src/libtomahawk/widgets/HeaderLabel.h

@@ -19,16 +19,14 @@
 #ifndef HEADERLABEL_H
 #define HEADERLABEL_H
 
-#include <QLabel>
+#include "ClickableLabel.h"
-#include <QTime>
-
 #include "DllMacro.h"
 
 /**
  * \class HeaderLabel
  * \brief A styled label for use in headers.
  */
-class DLLEXPORT HeaderLabel : public QLabel
+class DLLEXPORT HeaderLabel : public ClickableLabel
 {
 Q_OBJECT
 
@@ -41,25 +39,12 @@ public:
 
     static int defaultFontSize();
 
-signals:
-    void clicked();
-    void resized( const QPoint& delta );
-
 protected:
 //    void changeEvent( QEvent* e );
     void paintEvent( QPaintEvent* event );
 
-    void mousePressEvent( QMouseEvent* event );
-    void mouseReleaseEvent( QMouseEvent* event );
-    void mouseMoveEvent( QMouseEvent* event );
-
 private:
     QWidget* m_parent;
-    QTime m_time;
-
-    QPoint m_dragPoint;
-    bool m_pressed;
-    bool m_moved;
 };
 
 #endif // HEADERLABEL_H