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, 59 insertions, 0 deletions

diff --git a/src/selectiontoggle.h b/src/selectiontoggle.h
new file mode 100644
index 000000000..5815c5dae
--- /dev/null
+++ b/src/selectiontoggle.h
@@ -0,0 +1,59 @@
+/***************************************************************************
+ *   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 SELECTIONTOGGLE_H
+#define SELECTIONTOGGLE_H
+
+#include <QAbstractButton>
+#include <QPixmap>
+#include <QTimer>
+
+/**
+ * @brief Toggle button for changing the selection of an hovered item.
+ * @see SelectionManager
+ */
+class SelectionToggle : public QAbstractButton
+{
+    Q_OBJECT
+
+public:
+    explicit SelectionToggle(QWidget* parent);
+    virtual ~SelectionToggle();
+    virtual QSize sizeHint() const;
+
+public slots:
+    virtual void setVisible(bool visible);
+
+protected:
+    virtual bool eventFilter(QObject* obj, QEvent* event);
+    virtual void enterEvent(QEvent* event);
+    virtual void leaveEvent(QEvent* event);
+    virtual void paintEvent(QPaintEvent* event);
+
+private slots:
+    void showIcon();
+
+private:
+    bool m_showIcon;
+    bool m_isHovered;
+    QPixmap m_icon;
+    QTimer* m_timer;
+};
+
+#endif