112 lines
3.8 KiB
C++
112 lines
3.8 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2009 Martin Gräßlin <kde@martin-graesslin.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#ifndef CLIENTITEMDELEGATE_H
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#define CLIENTITEMDELEGATE_H
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#include "itemlayoutconfig.h"
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#include <QAbstractItemDelegate>
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/**
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* @file
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* This file defines the class ClientItemDelegate, the ItemDelegate for TabBoxClients.
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*
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* @author Martin Gräßlin <kde@martin-graesslin.com>
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* @since 4.4
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*/
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namespace Plasma
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{
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class FrameSvg;
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}
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namespace KWin
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{
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namespace TabBox
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{
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class ItemLayoutConfigRowElement;
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/**
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* The ItemDelegate for TabBoxClients used in TabBox.
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*
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* @author Martin Gräßlin <kde@martin-graesslin.com>
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* @since 4.4
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*/
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class ClientItemDelegate
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: public QAbstractItemDelegate
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{
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public:
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ClientItemDelegate(QObject* parent = 0);
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~ClientItemDelegate();
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virtual QSize sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index) const;
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virtual void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const;
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void setConfig(const ItemLayoutConfig& config);
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/**
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* @param show Show selection mark for selected item
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*/
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void setShowSelection(bool show = true) {
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m_showSelection = show;
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}
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private:
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/**
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* Paints the given text at the given position based on the given ItemLayoutConfigRowElement.
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* @param painter The painter to paint the text
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* @param option The current QStyleOptionViewItem
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* @param index The current QModelIndex - unused should be removed
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* @param element The current ItemLayoutConfigRowElement
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* @param x The left x position for drawing the text
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* @param y The top y position for drawing the text
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* @param rowHeight The height of the current rendered row
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* @param text The text which should be drawn
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*/
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qreal paintTextElement(QPainter* painter, const QStyleOptionViewItem& option,
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const QModelIndex& index, const ItemLayoutConfigRowElement& element,
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const qreal& x, const qreal& y, const qreal& rowHeight, QString text) const;
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/**
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* Calculates the size hint of given text.
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* This method is used to calculate the maximum size of a row.
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* @param index The current model index
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* @param element The ItemLayoutConfigRowElement defining how the text has to be laid out.
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* @param text The text whose size has to be calculated
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* @return The size of the given text if it would be rendered
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*/
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QSizeF textElementSizeHint(const QModelIndex& index, const ItemLayoutConfigRowElement& element, QString text) const;
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/**
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* Calculates the size hint of the given row.
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* @param index The current QModelIndex
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* @param row The row for which the size hint has to be calculated
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* @return The size hint of the given row
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*/
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QSizeF rowSize(const QModelIndex& index, int row) const;
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/**
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* The FrameSvg to render selected items
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*/
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Plasma::FrameSvg* m_frame;
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ItemLayoutConfig m_config;
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bool m_showSelection;
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};
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} // namespace Tabbox
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} // namespace KWin
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#endif // CLIENTITEMDELEGATE_H
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