diff --git a/src/themesdelegate.cpp b/src/themesdelegate.cpp index 46f0973..53f0e16 100644 --- a/src/themesdelegate.cpp +++ b/src/themesdelegate.cpp @@ -1,157 +1,159 @@ /* Copyright (c) 2007 Paolo Capriotti Copyright (c) 2010 Dario Andres Rodriguez Copyright 2013 by Reza Fatahilah Shah 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, see . */ #include "themesdelegate.h" #include "themesmodel.h" #include #include #include #include #include #include #include static const int BLUR_PAD = 6; ThemesDelegate::ThemesDelegate(QObject *parent) : QAbstractItemDelegate(parent) { m_maxHeight = SCREENSHOT_SIZE/1.6 + BLUR_INCREMENT; m_maxWidth = SCREENSHOT_SIZE + BLUR_INCREMENT; } void ThemesDelegate::setPreviewSize(const QSize &size) { mSize = size; } void ThemesDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const { const QAbstractItemModel *model = index.model(); QString previewFilename = model->data(index, ThemesModel::PathRole).toString(); previewFilename += model->data(index, ThemesModel::PreviewRole).toString(); const QString title = model->data(index, Qt::DisplayRole).toString(); const QString author = model->data(index, ThemesModel::AuthorRole).toString(); const QString website = model->data(index, ThemesModel::WebsiteRole).toString(); QPixmap originalPix(previewFilename); QColor color = option.palette.color(QPalette::Base); + QColor textColor = option.palette.color(QPalette::Text); if (originalPix.isNull()) { // paint a placeholder pixmap originalPix = QPixmap(m_maxWidth, m_maxHeight); originalPix.fill(color); QPainter p_pix(&originalPix); + p_pix.setPen(textColor); p_pix.drawText(originalPix.rect(), Qt::AlignCenter | Qt::TextWordWrap, i18n("No preview available")); } const QPixmap pix = originalPix.scaled(QSize(ThemesDelegate::SCREENSHOT_SIZE, ThemesDelegate::SCREENSHOT_SIZE/1.6), Qt::KeepAspectRatio, Qt::SmoothTransformation); // Highlight selected item QStyleOptionViewItem opt(option); opt.showDecorationSelected = true; QStyle *style = opt.widget ? opt.widget->style() : QApplication::style(); style->drawPrimitive(QStyle::PE_PanelItemViewItem, &opt, painter, opt.widget); // Draw wallpaper thumbnail QImage blur(pix.size() + QSize(BLUR_INCREMENT + BLUR_PAD, BLUR_INCREMENT + BLUR_PAD), QImage::Format_ARGB32); QRect blurRect = QRect(QPoint((blur.width() - pix.width()) / 2, (blur.height() - pix.height()) / 2), pix.size()); blur.fill(Qt::transparent); QPainter p(&blur); bool darkBaseColor = qGray(color.rgb()) < 192; p.fillRect(blurRect, darkBaseColor ? Qt::white : Qt::black); p.end(); // apply blur with a radius of 2 as thumbnail shadow // Plasma::PaintUtils::shadowBlur(blur, 2, darkBaseColor ? Qt::white : Qt::black); // calculate point const int bx = (option.rect.width() - blur.width()) / 2; const int by = MARGIN + qMax(0, m_maxHeight - blur.height()); QRect shadowRect = QRect(option.rect.topLeft(), blur.size()).translated(bx, by); // draw the blur painter->drawImage(shadowRect.topLeft(), blur); // draw the actual thumbnail painter->drawPixmap(QRect(shadowRect.topLeft() + QPoint((shadowRect.width() - pix.width()) / 2, (shadowRect.height() - pix.height()) / 2), pix.size()), pix); //Use a QTextDocument to layout the text QTextDocument document; QString html = QStringLiteral("%1").arg(title); //Set the text color according to the item state QPalette::ColorGroup cg = QPalette::Active; if (!(option.state & QStyle::State_Enabled)) { cg = QPalette::Disabled; } else if (!(option.state & QStyle::State_Active)) { cg = QPalette::Inactive; } if (option.state & QStyle::State_Selected) { color = QApplication::palette().brush(cg, QPalette::HighlightedText).color(); } else { color = QApplication::palette().brush(cg, QPalette::Text).color(); } html = QStringLiteral("
%2
").arg(color.name()).arg(html); document.setHtml(html); //Calculate positioning int x = option.rect.left() + MARGIN; //Enable word-wrap document.setTextWidth(m_maxWidth); //Center text on the row int y = option.rect.top() + m_maxHeight + MARGIN; //qMax(0 ,(int)((option.rect.height() - document.size().height()) / 2)); //Draw text painter->save(); painter->translate(x, y); document.drawContents(painter, QRect(QPoint(0, 0), option.rect.size() - QSize(0, m_maxHeight + MARGIN))); painter->restore(); } QSize ThemesDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const { Q_UNUSED(option) const QAbstractItemModel *model = index.model(); const QString title = model->data(index, Qt::DisplayRole).toString(); const QString author = model->data(index, ThemesModel::AuthorRole).toString(); const QString website = model->data(index, ThemesModel::WebsiteRole).toString(); //Generate a sample complete entry (with the real title) to calculate sizes QTextDocument document; const QString html = QStringLiteral("%1
").arg(title); document.setHtml(html); document.setTextWidth(m_maxWidth); QSize s(m_maxWidth + MARGIN * 2, m_maxHeight + MARGIN + (int)(document.size().height())); return s; }