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/*
Copyright (C) 2012 Sebastian Herbord. All rights reserved.
This file is part of Mod Organizer.
Mod Organizer 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 3 of the License, or
(at your option) any later version.
Mod Organizer 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 Mod Organizer. If not, see <http://www.gnu.org/licenses/>.
*/
#include "icondelegate.h"
#include <QDebug>
#include <QHBoxLayout>
#include <QLabel>
#include <QPainter>
#include <QPixmapCache>
#include <log.h>
using namespace MOBase;
IconDelegate::IconDelegate(QTreeView* view, int column, int compactSize)
: QStyledItemDelegate(view), m_column(column), m_compactSize(compactSize),
m_compact(false)
{
if (view) {
connect(view->header(), &QHeaderView::sectionResized,
[=](int column, int, int size) {
if (column == m_column) {
m_compact = size < m_compactSize;
}
});
}
}
void IconDelegate::paintIcons(QPainter* painter, const QStyleOptionViewItem& option,
const QModelIndex& index, const QList<QString>& icons)
{
int iconWidth = !icons.isEmpty() ? ((option.rect.width() / icons.size()) - 4) : 16;
if (iconWidth > 0) {
painter->save();
iconWidth = std::min(16, iconWidth);
const int margin = (option.rect.height() - iconWidth) / 2;
painter->translate(option.rect.topLeft());
int x = 4;
for (const QString& iconId : icons) {
if (iconId.isEmpty()) {
x += iconWidth + 4;
continue;
}
QPixmap icon;
QString fullIconId = QString("%1_%2").arg(iconId).arg(iconWidth);
if (!QPixmapCache::find(fullIconId, &icon)) {
icon = QIcon(iconId).pixmap(iconWidth, iconWidth);
if (icon.isNull()) {
log::warn("failed to load icon {}", iconId);
}
QPixmapCache::insert(fullIconId, icon);
}
painter->drawPixmap(x, margin, iconWidth, iconWidth, icon);
x += iconWidth + 4;
}
painter->restore();
}
}
void IconDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option,
const QModelIndex& index) const
{
if (auto* w = qobject_cast<QAbstractItemView*>(parent())) {
w->itemDelegate()->paint(painter, option, index);
} else {
QStyledItemDelegate::paint(painter, option, index);
}
paintIcons(painter, option, index, getIcons(index));
}
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