* Fixed TWK-278: Store columns after reordering and introduce ViewHeader as a base-class for self-restoring QHeaderViews.

src/libtomahawk/CMakeLists.txt

@@ -129,6 +129,7 @@ set( libSources
     playlist/albumview.cpp
     playlist/artistview.cpp
     playlist/customplaylistview.cpp
+    playlist/ViewHeader.cpp
 
     playlist/topbar/topbar.cpp
     playlist/topbar/clearbutton.cpp
@@ -339,6 +340,7 @@ set( libHeaders
     playlist/albumview.h
     playlist/artistview.h
     playlist/customplaylistview.h
+    playlist/ViewHeader.h
 
     playlist/topbar/topbar.h
     playlist/topbar/clearbutton.h

src/libtomahawk/playlist/ViewHeader.cpp

@@ -0,0 +1,143 @@
+/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
+ *
+ *   Copyright 2010-2011, 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 "ViewHeader.h"
+
+#include <QContextMenuEvent>
+#include <QMenu>
+
+#include "tomahawksettings.h"
+#include "utils/logger.h"
+
+
+ViewHeader::ViewHeader( QAbstractItemView* parent )
+    : QHeaderView( Qt::Horizontal, parent )
+    , m_parent( parent )
+    , m_menu( new QMenu( this ) )
+    , m_sigmap( new QSignalMapper( this ) )
+    , m_init( false )
+{
+    setResizeMode( QHeaderView::Interactive );
+    setMinimumSectionSize( 60 );
+    setDefaultAlignment( Qt::AlignLeft );
+    setMovable( true );
+    setStretchLastSection( true );
+
+//    m_menu->addAction( tr( "Resize columns to fit window" ), this, SLOT( onToggleResizeColumns() ) );
+//    m_menu->addSeparator();
+
+    connect( m_sigmap, SIGNAL( mapped( int ) ), SLOT( toggleVisibility( int ) ) );
+}
+
+
+ViewHeader::~ViewHeader()
+{
+}
+
+
+int
+ViewHeader::visibleSectionCount() const
+{
+    return count() - hiddenSectionCount();
+}
+
+
+void
+ViewHeader::onSectionsChanged()
+{
+    TomahawkSettings::instance()->setPlaylistColumnSizes( m_guid, saveState() );
+}
+
+
+bool
+ViewHeader::checkState()
+{
+    if ( !count() || m_init )
+        return false;
+
+    QByteArray state = TomahawkSettings::instance()->playlistColumnSizes( m_guid );
+    if ( !state.isEmpty() )
+    {
+        restoreState( state );
+
+        if ( m_guid.startsWith( "playlistview" ) ) // HACK
+            setSortIndicator( -1, Qt::AscendingOrder );
+    }
+    else
+    {
+        for ( int i = 0; i < count() - 1; i++ )
+        {
+            if ( isSectionHidden( i ) )
+                continue;
+
+            double nw = (double)m_parent->width() * m_columnWeights.at( i );
+            resizeSection( i, qMax( minimumSectionSize(), int( nw - 0.5 ) ) );
+        }
+    }
+
+    m_init = true;
+    connect( this, SIGNAL( sectionMoved( int, int, int ) ), SLOT( onSectionsChanged() ) );
+    connect( this, SIGNAL( sectionResized( int, int, int ) ), SLOT( onSectionsChanged() ) );
+
+    return true;
+}
+
+
+void
+ViewHeader::addColumnToMenu( int index )
+{
+    QString title = m_parent->model()->headerData( index, Qt::Horizontal, Qt::DisplayRole ).toString();
+
+    QAction* action = m_menu->addAction( title, m_sigmap, SLOT( map() ) );
+    action->setCheckable( true );
+    action->setChecked( !isSectionHidden( index ) );
+    m_visActions << action;
+
+    m_sigmap->setMapping( action, index );
+}
+
+
+void
+ViewHeader::contextMenuEvent( QContextMenuEvent* e )
+{
+    qDeleteAll( m_visActions );
+    m_visActions.clear();
+
+    for ( int i = 0; i < count(); i++ )
+        addColumnToMenu( i );
+
+    m_menu->popup( e->globalPos() );
+}
+
+
+void
+ViewHeader::onToggleResizeColumns()
+{
+}
+
+
+void
+ViewHeader::toggleVisibility( int index )
+{
+    qDebug() << Q_FUNC_INFO << index;
+
+    if ( isSectionHidden( index ) )
+        showSection( index );
+    else
+        hideSection( index );
+}

src/libtomahawk/playlist/ViewHeader.h

@@ -0,0 +1,65 @@
+/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
+ *
+ *   Copyright 2010-2011, 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 VIEWHEADER_H
+#define VIEWHEADER_H
+
+#include <QHeaderView>
+#include <QSignalMapper>
+
+#include "dllmacro.h"
+
+class DLLEXPORT ViewHeader : public QHeaderView
+{
+Q_OBJECT
+
+public:
+    explicit ViewHeader( QAbstractItemView* parent = 0 );
+    ~ViewHeader();
+
+    int visibleSectionCount() const;
+
+    void setDefaultColumnWeights( QList<double> weights ) { m_columnWeights = weights; }
+
+    QString guid() const { return m_guid; }
+    void setGuid( const QString& guid ) { m_guid = guid; }
+
+public slots:
+    void toggleVisibility( int index );
+    bool checkState();
+
+protected:
+    void contextMenuEvent( QContextMenuEvent* e );
+
+private slots:
+    virtual void onSectionsChanged();
+    void onToggleResizeColumns();
+
+private:
+    void addColumnToMenu( int index );
+
+    QAbstractItemView* m_parent;
+    QString m_guid;
+    QList<double> m_columnWeights;
+    QMenu* m_menu;
+    QSignalMapper* m_sigmap;
+    QList<QAction*> m_visActions;
+    bool m_init;
+};
+
+#endif

src/libtomahawk/playlist/artistview.cpp

@@ -128,6 +128,7 @@ ArtistView::setTreeModel( TreeModel* model )
     connect( m_proxyModel, SIGNAL( filterChanged( QString ) ), SLOT( onFilterChanged( QString ) ) );
     connect( m_proxyModel, SIGNAL( rowsInserted( QModelIndex, int, int ) ), SLOT( onViewChanged() ) );
 
+    guid(); // this will set the guid on the header
     setAcceptDrops( false );
 
     if ( model->columnStyle() == TreeModel::TrackOnly )
@@ -350,7 +351,10 @@ QString
 ArtistView::guid() const
 {
     if ( m_guid.isEmpty() )
+    {
         m_guid = QString( "artistview/%1" ).arg( m_model->columnCount( QModelIndex() ) );
+        m_header->setGuid( m_guid );
+    }
 
     return m_guid;
 }

src/libtomahawk/playlist/trackheader.cpp

@@ -18,134 +18,21 @@
 
 #include "trackheader.h"
 
-#include <QContextMenuEvent>
-#include <QMenu>
-
-#include "tomahawksettings.h"
-#include "playlist/trackmodel.h"
 #include "playlist/trackview.h"
 #include "utils/logger.h"
 
 
 TrackHeader::TrackHeader( TrackView* parent )
-    : QHeaderView( Qt::Horizontal, parent )
+    : ViewHeader( parent )
     , m_parent( parent )
-    , m_menu( new QMenu( this ) )
-    , m_sigmap( new QSignalMapper( this ) )
-    , m_init( false )
 {
-    setResizeMode( QHeaderView::Interactive );
-    setMinimumSectionSize( 60 );
-    setDefaultAlignment( Qt::AlignLeft );
-    setMovable( true );
-    setStretchLastSection( true );
-//    setCascadingSectionResizes( true );
+    QList< double > columnWeights;
+    columnWeights << 0.18 << 0.18 << 0.17 << 0.05 << 0.05 << 0.05 << 0.05 << 0.05 << 0.05 << 0.10; // << 0.05;
 
-//    m_menu->addAction( tr( "Resize columns to fit window" ), this, SLOT( onToggleResizeColumns() ) );
-//    m_menu->addSeparator();
-
-    connect( this, SIGNAL( sectionResized( int, int, int ) ), SLOT( onSectionResized() ) );
-    connect( m_sigmap, SIGNAL( mapped( int ) ), SLOT( toggleVisibility( int ) ) );
+    setDefaultColumnWeights( columnWeights );
 }
 
 
 TrackHeader::~TrackHeader()
 {
 }
-
-
-void
-TrackHeader::onSectionResized()
-{
-    if ( !m_init )
-        return;
-
-    TomahawkSettings::instance()->setPlaylistColumnSizes( m_parent->guid(), saveState() );
-}
-
-
-int
-TrackHeader::visibleSectionCount() const
-{
-    return count() - hiddenSectionCount();
-}
-
-
-bool
-TrackHeader::checkState()
-{
-    if ( !count() || m_init )
-        return false;
-
-    QByteArray state = TomahawkSettings::instance()->playlistColumnSizes( m_parent->guid() );
-    if ( !state.isEmpty() )
-    {
-        restoreState( state );
-
-        if ( m_parent->guid().startsWith( "playlistview" ) ) // HACK
-            setSortIndicator( -1, Qt::AscendingOrder );
-    }
-    else
-    {
-        QList< double > m_columnWeights;
-        m_columnWeights << 0.18 << 0.18 << 0.17 << 0.05 << 0.05 << 0.05 << 0.05 << 0.05 << 0.05 << 0.10; // << 0.05;
-
-        for ( int i = 0; i < count() - 1; i++ )
-        {
-            if ( isSectionHidden( i ) )
-                continue;
-
-            double nw = (double)m_parent->width() * m_columnWeights.at( i );
-            qDebug() << "Setting default size:" << i << nw;
-            resizeSection( i, qMax( minimumSectionSize(), int( nw - 0.5 ) ) );
-        }
-    }
-
-    m_init = true;
-    return true;
-}
-
-
-void
-TrackHeader::addColumnToMenu( int index )
-{
-    QString title = m_parent->model()->headerData( index, Qt::Horizontal, Qt::DisplayRole ).toString();
-
-    QAction* action = m_menu->addAction( title, m_sigmap, SLOT( map() ) );
-    action->setCheckable( true );
-    action->setChecked( !isSectionHidden( index ) );
-    m_visActions << action;
-
-    m_sigmap->setMapping( action, index );
-}
-
-
-void
-TrackHeader::contextMenuEvent( QContextMenuEvent* e )
-{
-    qDeleteAll( m_visActions );
-    m_visActions.clear();
-
-    for ( int i = 0; i < count(); i++ )
-        addColumnToMenu( i );
-
-    m_menu->popup( e->globalPos() );
-}
-
-
-void
-TrackHeader::onToggleResizeColumns()
-{
-}
-
-
-void
-TrackHeader::toggleVisibility( int index )
-{
-    qDebug() << Q_FUNC_INFO << index;
-
-    if ( isSectionHidden( index ) )
-        showSection( index );
-    else
-        hideSection( index );
-}

src/libtomahawk/playlist/trackheader.h

@@ -19,16 +19,12 @@
 #ifndef TRACKHEADER_H
 #define TRACKHEADER_H
 
-#include <QHeaderView>
-#include <QSignalMapper>
-
-#include "source.h"
-
+#include "ViewHeader.h"
 #include "dllmacro.h"
 
 class TrackView;
 
-class DLLEXPORT TrackHeader : public QHeaderView
+class DLLEXPORT TrackHeader : public ViewHeader
 {
 Q_OBJECT
 
@@ -36,28 +32,8 @@ public:
     explicit TrackHeader( TrackView* parent = 0 );
     ~TrackHeader();
 
-    int visibleSectionCount() const;
-
-public slots:
-    void toggleVisibility( int index );
-    bool checkState();
-
-protected:
-    void contextMenuEvent( QContextMenuEvent* e );
-
-private slots:
-    void onSectionResized();
-    void onToggleResizeColumns();
-
 private:
-    void addColumnToMenu( int index );
-
     TrackView* m_parent;
-
-    QMenu* m_menu;
-    QSignalMapper* m_sigmap;
-    QList<QAction*> m_visActions;
-    bool m_init;
 };
 
 #endif

src/libtomahawk/playlist/trackview.cpp

@@ -98,6 +98,7 @@ void
 TrackView::setGuid( const QString& guid )
 {
     m_guid = guid;
+    m_header->setGuid( guid );
 }
 
 

src/libtomahawk/playlist/treeheader.cpp

@@ -18,128 +18,21 @@
 
 #include "treeheader.h"
 
-#include <QContextMenuEvent>
-#include <QMenu>
-
-#include "tomahawksettings.h"
-#include "playlist/treemodel.h"
 #include "playlist/artistview.h"
 #include "utils/logger.h"
 
 
 TreeHeader::TreeHeader( ArtistView* parent )
-    : QHeaderView( Qt::Horizontal, parent )
+    : ViewHeader( parent )
     , m_parent( parent )
-    , m_menu( new QMenu( this ) )
-    , m_sigmap( new QSignalMapper( this ) )
-    , m_init( false )
 {
-    setResizeMode( QHeaderView::Interactive );
-    setMinimumSectionSize( 60 );
-    setDefaultAlignment( Qt::AlignLeft );
-    setMovable( true );
-    setStretchLastSection( true );
-//    setCascadingSectionResizes( true );
+    QList< double > columnWeights;
+    columnWeights << 0.50 << 0.07 << 0.07 << 0.07 << 0.07 << 0.07; // << 0.12;
 
-//    m_menu->addAction( tr( "Resize columns to fit window" ), this, SLOT( onToggleResizeColumns() ) );
-//    m_menu->addSeparator();
-
-    connect( this, SIGNAL( sectionResized( int, int, int ) ), SLOT( onSectionResized() ) );
-    connect( m_sigmap, SIGNAL( mapped( int ) ), SLOT( toggleVisibility( int ) ) );
+    setDefaultColumnWeights( columnWeights );
 }
 
 
 TreeHeader::~TreeHeader()
 {
 }
-
-
-void
-TreeHeader::onSectionResized()
-{
-    if ( !m_init )
-        return;
-
-    TomahawkSettings::instance()->setPlaylistColumnSizes( m_parent->guid(), saveState() );
-}
-
-
-int
-TreeHeader::visibleSectionCount() const
-{
-    return count() - hiddenSectionCount();
-}
-
-
-void
-TreeHeader::checkState()
-{
-    if ( !count() || m_init )
-        return;
-
-    QByteArray state = TomahawkSettings::instance()->playlistColumnSizes( m_parent->guid() );
-    if ( !state.isEmpty() )
-        restoreState( state );
-    else
-    {
-        QList< double > m_columnWeights;
-        m_columnWeights << 0.50 << 0.07 << 0.07 << 0.07 << 0.07 << 0.07; // << 0.12;
-
-        for ( int i = 0; i < count() - 1; i++ )
-        {
-            if ( isSectionHidden( i ) )
-                continue;
-
-            double nw = (double)m_parent->width() * m_columnWeights.at( i );
-            qDebug() << "Setting default size:" << i << nw;
-            resizeSection( i, qMax( minimumSectionSize(), int( nw - 0.5 ) ) );
-        }
-    }
-
-    m_init = true;
-}
-
-
-void
-TreeHeader::addColumnToMenu( int index )
-{
-    QString title = m_parent->model()->headerData( index, Qt::Horizontal, Qt::DisplayRole ).toString();
-
-    QAction* action = m_menu->addAction( title, m_sigmap, SLOT( map() ) );
-    action->setCheckable( true );
-    action->setChecked( !isSectionHidden( index ) );
-    m_visActions << action;
-
-    m_sigmap->setMapping( action, index );
-}
-
-
-void
-TreeHeader::contextMenuEvent( QContextMenuEvent* e )
-{
-    qDeleteAll( m_visActions );
-    m_visActions.clear();
-
-    for ( int i = 0; i < count(); i++ )
-        addColumnToMenu( i );
-
-    m_menu->popup( e->globalPos() );
-}
-
-
-void
-TreeHeader::onToggleResizeColumns()
-{
-}
-
-
-void
-TreeHeader::toggleVisibility( int index )
-{
-    qDebug() << Q_FUNC_INFO << index;
-
-    if ( isSectionHidden( index ) )
-        showSection( index );
-    else
-        hideSection( index );
-}

src/libtomahawk/playlist/treeheader.h

@@ -19,14 +19,12 @@
 #ifndef TREEHEADER_H
 #define TREEHEADER_H
 
-#include <QHeaderView>
-#include <QSignalMapper>
-
+#include "ViewHeader.h"
 #include "dllmacro.h"
 
 class ArtistView;
 
-class DLLEXPORT TreeHeader : public QHeaderView
+class DLLEXPORT TreeHeader : public ViewHeader
 {
 Q_OBJECT
 
@@ -34,28 +32,8 @@ public:
     explicit TreeHeader( ArtistView* parent = 0 );
     ~TreeHeader();
 
-    int visibleSectionCount() const;
-
-public slots:
-    void toggleVisibility( int index );
-    void checkState();
-
-protected:
-    void contextMenuEvent( QContextMenuEvent* e );
-
-private slots:
-    void onSectionResized();
-    void onToggleResizeColumns();
-
 private:
-    void addColumnToMenu( int index );
-
     ArtistView* m_parent;
-
-    QMenu* m_menu;
-    QSignalMapper* m_sigmap;
-    QList<QAction*> m_visActions;
-    bool m_init;
 };
 
 #endif

src/libtomahawk/widgets/welcomewidget.cpp

@@ -71,9 +71,7 @@ WelcomeWidget::WelcomeWidget( QWidget* parent )
     ui->playlistWidget->setItemDelegate( new PlaylistDelegate() );
     ui->playlistWidget->setModel( model );
     ui->playlistWidget->overlay()->resize( 380, 86 );
-#ifdef Q_OS_MAC
     ui->playlistWidget->setVerticalScrollMode( QAbstractItemView::ScrollPerPixel );
-#endif
 
     connect( model, SIGNAL( emptinessChanged( bool) ), this, SLOT( updatePlaylists() ) );