mirror of
https://invent.kde.org/network/falkon.git
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89 lines
3.0 KiB
C++
89 lines
3.0 KiB
C++
/* ============================================================
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* QupZilla - WebKit based browser
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* Copyright (C) 2010-2012 David Rosca <nowrep@gmail.com>
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*
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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 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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* ============================================================ */
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#include "pluginlistdelegate.h"
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#include <QPainter>
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#include <QListWidget>
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#include <QTextLayout>
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#include <QTextDocument>
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#include <QTextBlock>
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#include <QApplication>
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PluginListDelegate::PluginListDelegate(QListWidget* parent)
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: QItemDelegate(parent)
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, m_listWidget(parent)
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{
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}
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void PluginListDelegate::drawDisplay(QPainter* painter, const QStyleOptionViewItem &option, const QRect &rect, const QString &text) const
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{
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QPalette::ColorGroup cg = option.state & QStyle::State_Enabled ? QPalette::Normal : QPalette::Disabled;
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if (cg == QPalette::Normal && !(option.state & QStyle::State_Active)) {
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cg = QPalette::Inactive;
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}
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if (option.state & QStyle::State_Selected) {
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painter->fillRect(rect, option.palette.brush(cg, QPalette::Highlight));
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painter->setPen(option.palette.color(cg, QPalette::HighlightedText));
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}
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else {
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painter->setPen(option.palette.color(cg, QPalette::Text));
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}
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QTextDocument textDocument;
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textDocument.setHtml(text);
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QTextLayout textLayout(textDocument.begin());
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textLayout.setFont(option.font);
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const int textMargin = QApplication::style()->pixelMetric(QStyle::PM_FocusFrameHMargin, 0) + 1;
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QRect textRect = rect.adjusted(textMargin, 0, -textMargin, 0); // remove width padding
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textLayout.beginLayout();
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qreal height = 0;
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QTextLine line = textLayout.createLine();
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while (line.isValid()) {
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line.setLineWidth(textRect.width());
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height += 3;
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line.setPosition(QPoint(0, height));
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height += line.height();
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line = textLayout.createLine();
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}
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textLayout.endLayout();
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textLayout.draw(painter, QPointF(textRect.left(), textRect.top()));
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}
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QSize PluginListDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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Q_UNUSED(index)
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const int textMargin = QApplication::style()->pixelMetric(QStyle::PM_FocusFrameHMargin, 0) + 1;
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QSize size;
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size.setWidth(m_listWidget->width() - 10);
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// ( height of font * 3 = 3 lines ) + ( text margins ) + ( 2 free lines = every line is 3px )
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size.setHeight((option.fontMetrics.height() * 3) + (textMargin * 2) + (2 * 3));
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return size;
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}
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