76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
// This file Copyright © Mnemosyne LLC.
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// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
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// or any future license endorsed by Mnemosyne LLC.
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// License text can be found in the licenses/ folder.
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#include <QApplication>
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#include <QPainter>
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#include "FileTreeDelegate.h"
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#include "FileTreeModel.h"
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#include "StyleHelper.h"
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QSize FileTreeDelegate::sizeHint(QStyleOptionViewItem const& item, QModelIndex const& index) const
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{
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QSize size;
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switch (index.column())
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{
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case FileTreeModel::COL_PROGRESS:
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case FileTreeModel::COL_WANTED:
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size = QSize{ 20, 1 };
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break;
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default:
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size = QItemDelegate::sizeHint(item, index);
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}
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size.rheight() += 8; // make the spacing a little nicer
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return size;
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}
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void FileTreeDelegate::paint(QPainter* painter, QStyleOptionViewItem const& option, QModelIndex const& index) const
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{
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int const column(index.column());
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if (column != FileTreeModel::COL_PROGRESS && column != FileTreeModel::COL_WANTED)
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{
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QItemDelegate::paint(painter, option, index);
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return;
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}
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QStyle const* style = QApplication::style();
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painter->save();
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QItemDelegate::drawBackground(painter, option, index);
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if (column == FileTreeModel::COL_PROGRESS)
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{
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QStyleOptionProgressBar p;
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p.state = option.state | QStyle::State_Horizontal | QStyle::State_Small;
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p.direction = QApplication::layoutDirection();
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p.rect = option.rect;
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p.rect.setSize(QSize{ option.rect.width() - 4, option.rect.height() - 8 });
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p.rect.moveCenter(option.rect.center());
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p.fontMetrics = QFontMetrics{ QApplication::font() };
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p.minimum = 0;
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p.maximum = 100;
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p.textAlignment = Qt::AlignCenter;
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p.textVisible = true;
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p.progress = static_cast<int>(100.0 * index.data().toDouble());
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p.text = QStringLiteral("%1%").arg(p.progress);
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StyleHelper::drawProgressBar(*style, *painter, p);
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}
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else if (column == FileTreeModel::COL_WANTED)
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{
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QStyleOptionViewItem vi(option);
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vi.features |= QStyleOptionViewItem::HasCheckIndicator;
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QRect check_rect = style->subElementRect(QStyle::SE_ItemViewItemCheckIndicator, &vi, nullptr);
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check_rect.moveCenter(option.rect.center());
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drawCheck(painter, vi, check_rect, static_cast<Qt::CheckState>(index.data().toInt()));
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}
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QItemDelegate::drawFocus(painter, option, option.rect);
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painter->restore();
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}
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