From 15e6173e9ae91de49eff8436456ccda0f2bb6411 Mon Sep 17 00:00:00 2001
From: Christian Muehlhaeuser <muesli@gmail.com>
Date: Tue, 12 Aug 2014 20:07:25 +0200
Subject: [PATCH] * Added HoverControls, a widget used when hovering an item in
a GridView.
---
src/libtomahawk/widgets/HoverControls.cpp | 141 ++++++++++++++++++++++
src/libtomahawk/widgets/HoverControls.h | 52 ++++++++
2 files changed, 193 insertions(+)
create mode 100644 src/libtomahawk/widgets/HoverControls.cpp
create mode 100644 src/libtomahawk/widgets/HoverControls.h
diff --git a/src/libtomahawk/widgets/HoverControls.cpp b/src/libtomahawk/widgets/HoverControls.cpp
new file mode 100644
index 000000000..83a904fd3
--- /dev/null
+++ b/src/libtomahawk/widgets/HoverControls.cpp
@@ -0,0 +1,141 @@
+/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
+ *
+ * Copyright 2014, Christian Muehlhaeuser <muesli@tomahawk-player.org>
+ *
+ * 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 "HoverControls.h"
+
+#include "widgets/ImageButton.h"
+#include "utils/TomahawkUtilsGui.h"
+#include "utils/ImageRegistry.h"
+#include "utils/Logger.h"
+
+#include <QWidget>
+#include <QPixmap>
+#include <QPaintEvent>
+#include <QPainter>
+
+using namespace Tomahawk;
+
+
+HoverControls::HoverControls( QWidget* parent )
+ : QWidget( parent )
+ , m_hovering( false )
+{
+ setAutoFillBackground( false );
+ setMouseTracking( true );
+}
+
+
+HoverControls::~HoverControls()
+{
+}
+
+
+void
+HoverControls::resizeEvent( QResizeEvent* event )
+{
+ QWidget::resizeEvent( event );
+}
+
+
+void
+HoverControls::paintEvent( QPaintEvent* event )
+{
+ QPainter painter( this );
+ painter.setRenderHint( QPainter::Antialiasing );
+ painter.setOpacity( 0.7 );
+
+ QPen pen = QPen( Qt::white );
+ pen.setWidth( 2 );
+ painter.setPen( Qt::transparent );
+ painter.setBrush( Qt::transparent );
+
+ QRect figRect = event->rect().adjusted( 18, 2, -18, -2 );
+ if ( m_hovering )
+ {
+ painter.setBrush( Qt::white );
+ painter.drawRect( figRect );
+ }
+
+ painter.setPen( pen );
+
+ // circles look bad. make it an oval
+ const int bulgeWidth = 16;
+ // number of pixels to begin, counting inwards from figRect.x() and figRect.width().
+ // 0 means start at each end, negative means start inside the rect
+ const int offset = 0;
+
+ QPainterPath ppath;
+ ppath.moveTo( QPoint( figRect.x() + offset, figRect.y() ) );
+ QRect leftArcRect( figRect.x() + offset - bulgeWidth, figRect.y(), 2*bulgeWidth, figRect.height() );
+ ppath.arcTo( leftArcRect, 90, 180 );
+ painter.drawPath( ppath );
+
+ ppath = QPainterPath();
+ ppath.moveTo( figRect.x() + figRect.width() - offset, figRect.y() + figRect.height() );
+ leftArcRect = QRect( figRect.x() + figRect.width() - offset - bulgeWidth, figRect.y(), 2*bulgeWidth, figRect.height() );
+ ppath.arcTo( leftArcRect, -90, 180 );
+ painter.drawPath( ppath );
+
+ ppath = QPainterPath();
+ ppath.moveTo( QPoint( figRect.x() + offset + 2, figRect.y() ) );
+ ppath.lineTo( QPoint( figRect.x() + figRect.width() - offset - 2, figRect.y() ) );
+ painter.drawPath( ppath );
+
+ ppath = QPainterPath();
+ ppath.moveTo( QPoint( figRect.x() + offset + 2, figRect.y() + figRect.height() ) );
+ ppath.lineTo( QPoint( figRect.x() + figRect.width() - offset - 2, figRect.y() + figRect.height() ) );
+ painter.drawPath( ppath );
+
+ QColor col = Qt::white;
+ if ( m_hovering )
+ col = Qt::black;
+ QPixmap px = ImageRegistry::instance()->pixmap( RESPATH "images/play.svg", QSize( 16, 16 ), TomahawkUtils::Original, 1.0, col );
+ painter.drawPixmap( figRect.center() - QPoint( 7, 7 ), px );
+}
+
+
+void
+HoverControls::mouseReleaseEvent( QMouseEvent* event )
+{
+ QWidget::mouseReleaseEvent( event );
+
+ emit play();
+}
+
+
+void
+HoverControls::mouseMoveEvent( QMouseEvent* event )
+{
+ QWidget::mouseMoveEvent( event );
+
+ if ( !m_hovering )
+ {
+ m_hovering = true;
+ repaint();
+ }
+}
+
+
+void
+HoverControls::leaveEvent( QEvent* event )
+{
+ QWidget::leaveEvent( event );
+
+ m_hovering = false;
+ repaint();
+}
diff --git a/src/libtomahawk/widgets/HoverControls.h b/src/libtomahawk/widgets/HoverControls.h
new file mode 100644
index 000000000..7c92fd55f
--- /dev/null
+++ b/src/libtomahawk/widgets/HoverControls.h
@@ -0,0 +1,52 @@
+/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
+ *
+ * Copyright 2014, Christian Muehlhaeuser <muesli@tomahawk-player.org>
+ *
+ * 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/>.
+ */
+
+#ifndef HOVERCONTROLS_H
+#define HOVERCONTROLS_H
+
+#include <QWidget>
+
+#include "DllMacro.h"
+
+class QPaintEvent;
+
+class DLLEXPORT HoverControls : public QWidget
+{
+ Q_OBJECT
+public:
+ explicit HoverControls( QWidget* parent = 0 );
+ virtual ~HoverControls();
+
+public slots:
+
+signals:
+ void play();
+
+protected:
+ virtual void resizeEvent( QResizeEvent* event );
+ virtual void paintEvent( QPaintEvent* event );
+
+ virtual void mouseReleaseEvent( QMouseEvent* event );
+ virtual void mouseMoveEvent( QMouseEvent* event );
+ virtual void leaveEvent( QEvent* event );
+
+private:
+ bool m_hovering;
+};
+
+#endif // HOVERCONTROLS_H