changed configuration dialog

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@2908 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 112 insertions, 0 deletions

diff --git a/src/qmmpui/radioitemdelegate.cpp b/src/qmmpui/radioitemdelegate.cpp
new file mode 100644
index 000000000..1c1af928b
--- /dev/null
+++ b/src/qmmpui/radioitemdelegate.cpp
@@ -0,0 +1,112 @@
+/***************************************************************************
+ *   Copyright (C) 2012 by Ilya Kotov                                      *
+ *   forkotov02@hotmail.ru                                                 *
+ *                                                                         *
+ *   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 <QApplication>
+#include <QMouseEvent>
+#include "radioitemdelegate_p.h"
+
+RadioItemDelegate::RadioItemDelegate(QObject *parent) : QStyledItemDelegate(parent)
+{
+}
+
+void RadioItemDelegate::paint(QPainter *painter,
+                              const QStyleOptionViewItem &option,
+                              const QModelIndex &index) const
+{
+    if (hasRadioButton(index))
+    {
+        QStyleOptionViewItemV4 opt = option;
+
+        initStyleOption(&opt, index);
+
+        QStyleOptionButton buttonOption;
+        buttonOption.rect = option.rect;
+        buttonOption.text = index.data(Qt::DisplayRole).toString();
+        buttonOption.state |= QStyle::State_Enabled;
+
+        if (index.data(Qt::CheckStateRole) == Qt::Checked)
+        {
+            buttonOption.state |= QStyle::State_On;
+            buttonOption.state &=~ QStyle::State_Off;
+        }
+        else
+        {
+            buttonOption.state |= QStyle::State_Off;
+            buttonOption.state &=~ QStyle::State_On;
+        }
+
+        buttonOption.palette = opt.palette;
+
+        if(opt.state.testFlag(QStyle::State_Selected))
+        {
+            buttonOption.palette.setBrush(QPalette::ButtonText,
+                                          opt.palette.brush(QPalette::HighlightedText));
+            qApp->style()->drawPrimitive(QStyle::PE_PanelItemViewItem, &opt, painter);
+        }
+        qApp->style()->drawControl(QStyle::CE_RadioButton, &buttonOption, painter);
+    }
+    else
+    {
+        QStyledItemDelegate::paint(painter, option, index);
+    }
+}
+
+QSize RadioItemDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
+{
+    QSize size = QStyledItemDelegate::sizeHint(option, index);
+    if (hasRadioButton(index))
+    {
+        int buttonHeight = qApp->style()->pixelMetric(QStyle::PM_ExclusiveIndicatorHeight, &option);
+        size.setHeight(qMax(size.height(), buttonHeight));
+    }
+    return size;
+}
+
+bool RadioItemDelegate::editorEvent(QEvent *event, QAbstractItemModel *model,
+                                    const QStyleOptionViewItem &option, const QModelIndex &index)
+{
+    if (event->type() == QEvent::MouseButtonRelease)
+    {
+        if (hasRadioButton(index))
+        {
+            QRect checkRect = qApp->style()->subElementRect(QStyle::SE_RadioButtonIndicator, &option);
+
+            QMouseEvent *mouseEvent = dynamic_cast<QMouseEvent*>(event);
+            if (checkRect.contains(mouseEvent->pos()) && !index.data(Qt::CheckStateRole).toBool())
+            {
+                model->setData(index, Qt::Checked, Qt::CheckStateRole);
+                QModelIndex parentItem = index.parent();
+                for (int i = 0; i < model->rowCount(parentItem); ++i)
+                {
+                    QModelIndex childIndex = parentItem.child(i,0);
+                    if (childIndex != index)
+                        model->setData(childIndex, Qt::Unchecked, Qt::CheckStateRole);
+                }
+                return true;
+            }
+        }
+    }
+    return QStyledItemDelegate::editorEvent(event,model,option,index);
+}
+
+bool RadioItemDelegate::hasRadioButton(const QModelIndex &index) const
+{
+    return index.flags().testFlag(Qt::ItemIsUserCheckable) && index.data(RadioButtonRole).toBool();
+}