1 files changed, 132 insertions, 0 deletions
diff --git a/src/selectionmanager.cpp b/src/selectionmanager.cpp
new file mode 100644
index 000000000..1f9d99b85
--- /dev/null
+++ b/src/selectionmanager.cpp
@@ -0,0 +1,132 @@
+/***************************************************************************
+ *   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            *
+ ***************************************************************************/
+
+#include "selectionmanager.h"
+
+#include "dolphinmodel.h"
+#include "selectiontoggle.h"
+#include <kdirmodel.h>
+#include <kiconeffect.h>
+
+#include <QAbstractButton>
+#include <QAbstractItemView>
+#include <QAbstractProxyModel>
+#include <QModelIndex>
+#include <QPainter>
+#include <QPaintEvent>
+#include <QRect>
+
+SelectionManager::SelectionManager(QAbstractItemView* parent) :
+    QObject(parent),
+    m_view(parent),
+    m_button(0),
+    m_item()
+{
+    connect(parent, SIGNAL(entered(const QModelIndex&)),
+            this, SLOT(slotEntered(const QModelIndex&)));
+    connect(parent, SIGNAL(viewportEntered()),
+            this, SLOT(slotViewportEntered()));
+    m_button = new SelectionToggle(m_view->viewport());
+    m_button->setCheckable(true);
+    m_button->hide();
+    connect(m_button, SIGNAL(clicked(bool)),
+            this, SLOT(setItemSelected(bool)));
+    connect(m_view->selectionModel(), SIGNAL(selectionChanged()),
+            this, SLOT(slotSelectionChanged()));
+}
+
+SelectionManager::~SelectionManager()
+{
+}
+
+void SelectionManager::slotEntered(const QModelIndex& index)
+{
+    m_button->hide();
+    if (index.isValid() && (index.column() == DolphinModel::Name)) {
+        m_item = itemForIndex(index);
+
+        const QRect rect = m_view->visualRect(index);
+        const int gap = 2;
+        const int x = rect.right() - m_button->width() - gap;
+        int y = rect.top();
+        if (rect.height() <= m_button->height() * 2) {
+            // center the button vertically
+            y += (rect.height() - m_button->height()) / 2;
+        } else {
+            y += gap;
+        }
+
+        m_button->move(QPoint(x, y));
+
+        QItemSelectionModel* selModel = m_view->selectionModel();
+        m_button->setChecked(selModel->isSelected(index));
+        m_button->show();
+    } else {
+        m_item = KFileItem();
+    }
+}
+
+void SelectionManager::slotViewportEntered()
+{
+    m_button->hide();
+    m_item = KFileItem();
+}
+
+void SelectionManager::slotSelectionChanged()
+{
+    const QModelIndex index = indexForItem(m_item);
+    if (index.isValid()) {
+        QItemSelectionModel* selModel = m_view->selectionModel();
+        m_button->setChecked(selModel->isSelected(index));
+    }
+}
+
+void SelectionManager::setItemSelected(bool selected)
+{
+    emit selectionChanged();
+    Q_ASSERT(!m_item.isNull());
+
+    const QModelIndex index = indexForItem(m_item);
+    if (index.isValid()) {
+        QItemSelectionModel* selModel = m_view->selectionModel();
+        if (selected) {
+            selModel->select(index, QItemSelectionModel::Select);
+        } else {
+            selModel->select(index, QItemSelectionModel::Deselect);
+        }
+    }
+}
+
+KFileItem SelectionManager::itemForIndex(const QModelIndex& index) const
+{
+    QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(m_view->model());
+    KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
+    const QModelIndex dirIndex = proxyModel->mapToSource(index);
+    return dirModel->itemForIndex(dirIndex);
+}
+
+const QModelIndex SelectionManager::indexForItem(const KFileItem& item) const
+{
+    QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(m_view->model());
+    KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
+    const QModelIndex dirIndex = dirModel->indexForItem(item);
+    return proxyModel->mapFromSource(dirIndex);
+}
+
+#include "selectionmanager.moc"