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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the Qt Designer of the Qt Toolkit.

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    13 ** contained in the Technology Preview License Agreement accompanying

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    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

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    38 ** $QT_END_LICENSE$

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    40 ****************************************************************************/

    41 

    42 #include "sheet_delegate_p.h"

    43 

    44 #include <QtCore/QAbstractItemModel>

    45 #include <QtGui/QTreeView>

    46 #include <QtGui/QStyle>

    47 #include <QtGui/QPainter>

    48 

    49 QT_BEGIN_NAMESPACE

    50 

    51 namespace qdesigner_internal {

    52 

    53 SheetDelegate::SheetDelegate(QTreeView *view, QWidget *parent)

    54     : QItemDelegate(parent),

    55       m_view(view)

    56 {

    57 }

    58 

    59 void SheetDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const

    60 {

    61     const QAbstractItemModel *model = index.model();

    62     Q_ASSERT(model);

    63 

    64     if (!model->parent(index).isValid()) {

    65         // this is a top-level item.

    66         QStyleOptionButton buttonOption;

    67 

    68         buttonOption.state = option.state;

    69 #ifdef Q_WS_MAC

    70         buttonOption.state |= QStyle::State_Raised;

    71 #endif

    72         buttonOption.state &= ~QStyle::State_HasFocus;

    73 

    74         buttonOption.rect = option.rect;

    75         buttonOption.palette = option.palette;

    76         buttonOption.features = QStyleOptionButton::None;

    77         m_view->style()->drawControl(QStyle::CE_PushButton, &buttonOption, painter, m_view);

    78 

    79         QStyleOption branchOption;

    80         static const int i = 9; // ### hardcoded in qcommonstyle.cpp

    81         QRect r = option.rect;

    82         branchOption.rect = QRect(r.left() + i/2, r.top() + (r.height() - i)/2, i, i);

    83         branchOption.palette = option.palette;

    84         branchOption.state = QStyle::State_Children;

    85 

    86         if (m_view->isExpanded(index))

    87             branchOption.state |= QStyle::State_Open;

    88 

    89         m_view->style()->drawPrimitive(QStyle::PE_IndicatorBranch, &branchOption, painter, m_view);

    90 

    91         // draw text

    92         QRect textrect = QRect(r.left() + i*2, r.top(), r.width() - ((5*i)/2), r.height());

    93         QString text = elidedText(option.fontMetrics, textrect.width(), Qt::ElideMiddle, 

    94             model->data(index, Qt::DisplayRole).toString());

    95         m_view->style()->drawItemText(painter, textrect, Qt::AlignCenter,

    96             option.palette, m_view->isEnabled(), text);

    97 

    98     } else {

    99         QItemDelegate::paint(painter, option, index);

   100     }

   101 }

   102 

   103 QSize SheetDelegate::sizeHint(const QStyleOptionViewItem &opt, const QModelIndex &index) const

   104 {

   105     QStyleOptionViewItem option = opt;

   106     QSize sz = QItemDelegate::sizeHint(opt, index) + QSize(2, 2);

   107     return sz;

   108 }

   109 

   110 } // namespace qdesigner_internal

   111 

   112 QT_END_NAMESPACE