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liblxqt-packaging/configdialog/lxqtpageselectwidget.cpp

114 lines
3.2 KiB

/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXQt - a lightweight, Qt based, desktop toolset
* http://razor-qt.org
*
* Copyright: 2010-2011 Razor team
* Authors:
* Alexander Sokoloff <sokoloff.a@gmail.com>
*
* This program or library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#include "lxqtpageselectwidget.h"
#include <QDebug>
#include <QStyledItemDelegate>
#include <QScrollBar>
using namespace LXQt;
class PageSelectWidgetItemDelegate: public QStyledItemDelegate
{
public:
explicit PageSelectWidgetItemDelegate(PageSelectWidget *parent = 0);
QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const;
private:
PageSelectWidget* mView;
};
/************************************************
************************************************/
PageSelectWidgetItemDelegate::PageSelectWidgetItemDelegate(PageSelectWidget *parent):
QStyledItemDelegate(parent),
mView(parent)
{
}
/************************************************
************************************************/
QSize PageSelectWidgetItemDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
{
QSize size = QStyledItemDelegate::sizeHint(option, index);
size.setWidth(mView->viewport()->width() - 2*mView->spacing());
return size;
}
/************************************************
************************************************/
PageSelectWidget::PageSelectWidget(QWidget *parent) :
QListWidget(parent)
{
setSelectionRectVisible(false);
setViewMode(IconMode);
setSpacing(2);
setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Expanding);
setWordWrap(true);
setDragEnabled(NoDragDrop);
setEditTriggers(NoEditTriggers);
setTextElideMode(Qt::ElideNone);
setItemDelegate(new PageSelectWidgetItemDelegate(this));
}
/************************************************
************************************************/
PageSelectWidget::~PageSelectWidget()
{
}
/************************************************
************************************************/
QSize PageSelectWidget::sizeHint() const
{
QSize size = QListWidget::sizeHint();
int w = 0;
for(int i=0; i< count(); ++i)
{
QRect rect = fontMetrics().boundingRect(QRect(), Qt::AlignLeft | Qt::TextWordWrap, item(i)->text());
w = qMax(w, rect.width());
}
if (horizontalScrollBar()->isVisible())
w += horizontalScrollBar()->width();
size.setWidth(w + frameWidth() + spacing()*2 + 10);
return size;
}