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//=============================================================================
//
// File : KviTalListWidget.cpp
// Creation date : Mon May 05 2008 11:25:08 by Alessandro Carbone
//
// This file is part of the KVIrc IRC client distribution
// Copyright (C) 2008 Alessandro Carbone (elfonol at gmail dot com)
//
// 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 "KviTalListWidget.h"
#include "KviTalIconAndRichTextItemDelegate.h"
#include <QEvent>
#include <QPainter>
#include <QHelpEvent>
#include <QApplication>
KviTalListWidget::KviTalListWidget(QWidget * pParent, QString name, Qt::WindowType f)
: QListWidget(pParent)
{
setObjectName(name);
setWindowFlags(f);
//setUniformItemSizes(true);
//setResizeMode(QListWidget::Adjust);
//setWordWrap(true);
viewport()->installEventFilter(this);
}
bool KviTalListWidget::eventFilter(QObject * o, QEvent * e)
{
if(e->type() == QEvent::Resize)
{
// A veeeery ugly hack.
// This is the only reliable way I have found to perform a full
// relayout on the items.
// The Qt ItemView framework is so complicated that it's almost unusable.
// We had the same functionality in Qt3 with 1/10 of the code.
if(model())
{
// And this does not even work when the items should shrink...
// ...but well, that's the best we can do (but only under Qt5, as with Qt4 this is even protected).
emit model()->layoutChanged();
// The model is hidden so we can't make these public.
//model()->beginResetModel();
//model()->endResetModel();
}
}
return QListWidget::eventFilter(o, e);
}
bool KviTalListWidget::event(QEvent * e)
{
if(e->type() == QEvent::ToolTip)
{
QHelpEvent * helpEvent = static_cast<QHelpEvent *>(e);
const QPoint & p = helpEvent->pos();
QListWidgetItem * item = itemAt(p);
if(item)
{
emit tipRequest(item, p);
}
}
return QListWidget::event(e);
}
KviTalListWidgetText::KviTalListWidgetText(KviTalListWidget * listbox, const QString & text)
: KviTalListWidgetItem(listbox)
{
setText(text);
}
KviTalListWidgetText::KviTalListWidgetText(const QString & text)
: KviTalListWidgetItem()
{
setText(text);
}
KviTalListWidgetText::~KviTalListWidgetText()
= default;
void KviTalListWidgetText::paint(QPainter * painter)
{
int itemHeight = height(listWidget());
QFontMetrics fm = painter->fontMetrics();
int yPos = ((itemHeight - fm.height()) / 2) + fm.ascent();
painter->drawText(3, yPos, text());
}
int KviTalListWidgetText::height(const KviTalListWidget * lb) const
{
return lb ? lb->fontMetrics().lineSpacing() + 2 : 0;
}
int KviTalListWidgetText::width(const KviTalListWidget * lb) const
{
return lb ? lb->fontMetrics().horizontalAdvance(text()) + 6 : 0;
}
int KviTalListWidgetText::rtti() const
{
return RTTI;
}
KviTalListWidgetPixmap::KviTalListWidgetPixmap(KviTalListWidget * listbox, const QPixmap & pixmap)
: KviTalListWidgetItem(listbox)
{
pm = pixmap;
}
KviTalListWidgetPixmap::KviTalListWidgetPixmap(const QPixmap & pixmap)
: KviTalListWidgetItem()
{
pm = pixmap;
}
KviTalListWidgetPixmap::~KviTalListWidgetPixmap()
= default;
KviTalListWidgetPixmap::KviTalListWidgetPixmap(KviTalListWidget * listbox, const QPixmap & pix, const QString & text)
: KviTalListWidgetItem(listbox)
{
pm = pix;
setText(text);
setIcon(QIcon(pix));
}
KviTalListWidgetPixmap::KviTalListWidgetPixmap(const QPixmap & pix, const QString & text)
: KviTalListWidgetItem()
{
pm = pix;
setText(text);
}
void KviTalListWidgetPixmap::paint(QPainter * painter)
{
int itemHeight = height(listWidget());
int yPos;
const QPixmap * pm = pixmap();
if(pm && !pm->isNull())
{
yPos = (itemHeight - pm->height()) / 2;
painter->drawPixmap(3, yPos, *pm);
}
if(!text().isEmpty())
{
QFontMetrics fm = painter->fontMetrics();
yPos = ((itemHeight - fm.height()) / 2) + fm.ascent();
painter->drawText(pm->width() + 5, yPos, text());
}
}
int KviTalListWidgetPixmap::height(const KviTalListWidget * lb) const
{
int h;
if(text().isEmpty())
h = pm.height();
else
h = qMax(pm.height(), lb->fontMetrics().lineSpacing() + 2);
return h;
}
int KviTalListWidgetPixmap::width(const KviTalListWidget * lb) const
{
if(text().isEmpty())
return pm.width() + 6;
return pm.width() + lb->fontMetrics().horizontalAdvance(text()) + 6;
}
int KviTalListWidgetPixmap::rtti() const
{
return RTTI;
}
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