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109 lines
4.3 KiB
C++
109 lines
4.3 KiB
C++
/*
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Copyright (c) 2007 Paolo Capriotti <p.capriotti@gmail.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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*/
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#include "backgrounddelegate.h"
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#include <QPen>
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#include <QPainter>
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#include <KGlobalSettings>
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#include <KLocalizedString>
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BackgroundDelegate::BackgroundDelegate(QObject *listener, float ratio, QObject *parent)
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: QAbstractItemDelegate(parent),
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m_listener(listener),
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m_ratio(ratio)
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{
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}
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void BackgroundDelegate::paint(QPainter *painter,
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const QStyleOptionViewItem &option,
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const QModelIndex &index) const
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{
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QString title = index.model()->data(index, Qt::DisplayRole).toString();
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QString author = index.model()->data(index, AuthorRole).toString();
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QString resolution = index.model()->data(index, ResolutionRole).toString();
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QPixmap pix = index.model()->data(index, ScreenshotRole).value<QPixmap>();
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// draw selection outline
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if (option.state & QStyle::State_Selected) {
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QPen oldPen = painter->pen();
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painter->setPen(option.palette.color(QPalette::Highlight));
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painter->drawRect(option.rect.adjusted(2, 2, -2, -2));
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painter->setPen(oldPen);
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}
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// draw pixmap
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int maxheight = SCREENSHOT_SIZE;
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int maxwidth = int(maxheight * m_ratio);
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if (!pix.isNull()) {
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int x = MARGIN + (maxwidth - pix.width()) / 2;
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int y = MARGIN + (maxheight - pix.height()) / 2;
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QRect imgRect = QRect(option.rect.topLeft(), pix.size()).translated(x, y);
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painter->drawPixmap(imgRect, pix);
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}
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// draw text
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painter->save();
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int x = option.rect.left() + MARGIN * 2 + maxwidth;
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QRect textRect(x,
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option.rect.top() + MARGIN,
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option.rect.width() - x - MARGIN,
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maxheight);
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const QRect boundingRect = painter->boundingRect(textRect, Qt::TextWordWrap, title) & option.rect;
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painter->drawText(boundingRect, Qt::TextWordWrap, title);
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QRect titleRect = painter->boundingRect(boundingRect, Qt::TextWordWrap, title);
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QPoint lastText(titleRect.bottomLeft());
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// Borrowed from Dolphin for consistency and beauty.
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// For the color of the additional info the inactive text color
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// is not used as this might lead to unreadable text for some color schemes. Instead
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// the text color is slightly mixed with the background color.
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const QColor textColor = option.palette.text().color();
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const QColor baseColor = option.palette.base().color();
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const int p1 = 70;
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const int p2 = 100 - p1;
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const QColor detailsColor = QColor((textColor.red() * p1 + baseColor.red() * p2) / 100,
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(textColor.green() * p1 + baseColor.green() * p2) / 100,
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(textColor.blue() * p1 + baseColor.blue() * p2) / 100);
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if (!resolution.isEmpty()) {
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QRect resolutionRect = QRect(lastText, textRect.size()) & option.rect;
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if (!resolutionRect.isEmpty()) {
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painter->setPen(detailsColor);
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painter->drawText(resolutionRect, Qt::TextWordWrap, resolution);
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lastText = painter->boundingRect(resolutionRect, Qt::TextWordWrap, resolution).bottomLeft();
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}
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}
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if (!author.isEmpty()) {
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QRect authorRect = QRect(lastText, textRect.size()) & option.rect;
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if (!authorRect.isEmpty()) {
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painter->setPen(detailsColor);
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painter->drawText(authorRect, Qt::TextWordWrap, author);
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lastText = painter->boundingRect(authorRect, Qt::TextWordWrap, author).bottomLeft();
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}
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}
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painter->restore();
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}
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QSize BackgroundDelegate::sizeHint(const QStyleOptionViewItem &option,
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const QModelIndex &index) const
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{
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const QString title = index.model()->data(index, Qt::DisplayRole).toString();
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const int maxwidth = int(SCREENSHOT_SIZE * m_ratio);
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QFontMetrics fm(option.font);
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//kDebug() << QSize(maxwidth + qBound(100, fm.width(title), 500), Background::SCREENSHOT_SIZE + MARGIN * 2);
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return QSize(maxwidth + qBound(100, fm.width(title), 500), SCREENSHOT_SIZE + MARGIN * 2);
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}
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