Blend in a toggle button when hovering items. This allows selecting items without using the rubberband or Ctrl/Shift-keys in the single-click mode. Any feedback from users is highly welcome (I think people will either love or hate this feature, I'm really not sure -> it can be turned off too).

svn path=/trunk/KDE/kdebase/apps/; revision=766901

1 files changed, 66 insertions, 0 deletions

diff --git a/src/selectionmanager.h b/src/selectionmanager.h
new file mode 100644
index 000000000..1bf4f8b8c
--- /dev/null
+++ b/src/selectionmanager.h
@@ -0,0 +1,66 @@
+/***************************************************************************
+ *   Copyright (C) 2008 by Peter Penz <[email protected]>                  *
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ *   This program 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 this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
+ ***************************************************************************/
+
+#ifndef SELECTIONMANAGER_H
+#define SELECTIONMANAGER_H
+
+#include <kfileitem.h>
+
+#include <QObject>
+
+class DolphinSortFilterProxyModel;
+class QAbstractItemView;
+class QModelIndex;
+class QAbstractButton;
+
+/**
+ * @brief Allows to select and deselect items for the single-click mode.
+ *
+ * Whenever an item is hovered by the mouse, a toggle button is shown
+ * which allows to select/deselect the current item.
+ */
+class SelectionManager : public QObject
+{
+    Q_OBJECT
+
+public:
+    SelectionManager(QAbstractItemView* parent);
+    virtual ~SelectionManager();
+
+signals:
+    /** Is emitted if the selection has been changed by the toggle button. */
+    void selectionChanged();
+
+private slots:
+    void slotEntered(const QModelIndex& index);
+    void slotViewportEntered();
+    void slotSelectionChanged();
+    void setItemSelected(bool selected);
+
+private:
+    KFileItem itemForIndex(const QModelIndex& index) const;
+    const QModelIndex indexForItem(const KFileItem& item) const;
+
+private:
+    QAbstractItemView* m_view;
+    QAbstractButton* m_button;
+    KFileItem m_item;
+};
+
+#endif