It should now be rendered well with all possible font sizes. Closes #663remotes/origin/falkon
nowrep
13 years ago
parent
8cca4437f1
commit
f27137f8ae
6 changed files with 142 additions and 17 deletions
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/* ============================================================
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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 "listitemdelegate.h" |
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#include <QApplication> |
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#include <QPainter> |
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ListItemDelegate::ListItemDelegate(int iconSize, QWidget* parent) |
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: QStyledItemDelegate(parent) |
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, m_iconSize(iconSize) |
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, m_itemHeight(0) |
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, m_padding(0) |
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{ |
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} |
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int ListItemDelegate::itemHeight() const |
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{ |
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return m_itemHeight; |
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} |
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void ListItemDelegate::paint(QPainter* painter, const QStyleOptionViewItem &option, const QModelIndex &index) const |
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{ |
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QStyleOptionViewItemV4 opt = option; |
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initStyleOption(&opt, index); |
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const QWidget* w = opt.widget; |
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const QStyle* style = w ? w->style() : QApplication::style(); |
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const Qt::LayoutDirection direction = w ? w->layoutDirection() : QApplication::layoutDirection(); |
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#ifdef Q_OS_WIN |
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const QPalette::ColorRole colorRole = QPalette::Text; |
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#else |
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const QPalette::ColorRole colorRole = opt.state & QStyle::State_Selected ? QPalette::HighlightedText : QPalette::Text; |
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#endif |
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int topPosition = opt.rect.top() + m_padding; |
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// Draw background
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style->drawPrimitive(QStyle::PE_PanelItemViewItem, &opt, painter, w); |
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// Draw icon
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QRect iconRect(opt.rect.left() + (opt.rect.width() - m_iconSize) / 2, topPosition, m_iconSize, m_iconSize); |
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QRect visualIconRect = style->visualRect(direction, opt.rect, iconRect); |
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QPixmap pixmap = index.data(Qt::DecorationRole).value<QIcon>().pixmap(m_iconSize); |
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painter->drawPixmap(visualIconRect, pixmap); |
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topPosition += m_iconSize + m_padding; |
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// Draw title
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const QString &title = index.data(Qt::DisplayRole).toString(); |
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const int leftTitleEdge = opt.rect.left() + m_padding; |
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QRect titleRect(leftTitleEdge, topPosition, opt.rect.width() - 2 * m_padding, opt.fontMetrics.height()); |
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QRect visualTitleRect = style->visualRect(direction, opt.rect, titleRect); |
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style->drawItemText(painter, visualTitleRect, Qt::AlignCenter, opt.palette, true, title, colorRole); |
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} |
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QSize ListItemDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const |
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{ |
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if (!m_itemHeight) { |
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QStyleOptionViewItemV4 opt(option); |
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initStyleOption(&opt, index); |
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const QWidget* w = opt.widget; |
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const QStyle* style = w ? w->style() : QApplication::style(); |
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const int padding = style->pixelMetric(QStyle::PM_FocusFrameHMargin, 0) + 1; |
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m_padding = padding > 5 ? padding : 5; |
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m_itemHeight = 3 * m_padding + opt.fontMetrics.height() + m_iconSize; |
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} |
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int width = 2 * m_padding + option.fontMetrics.width(index.data(Qt::DisplayRole).toString()); |
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return QSize(width > (m_iconSize + 2 * m_padding) ? width : m_iconSize + 2 * m_padding, m_itemHeight); |
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} |
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@ -0,0 +1,41 @@ |
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/* ============================================================
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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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#ifndef LISTITEMDELEGATE_H |
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#define LISTITEMDELEGATE_H |
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#include <QStyledItemDelegate> |
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#include "qz_namespace.h" |
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class QT_QUPZILLA_EXPORT ListItemDelegate : public QStyledItemDelegate |
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{ |
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public: |
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explicit ListItemDelegate(int iconSize, QWidget* parent); |
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int itemHeight() const; |
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void paint(QPainter* painter, const QStyleOptionViewItem &option, const QModelIndex &index) const; |
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QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const; |
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private: |
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int m_iconSize; |
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mutable int m_itemHeight; |
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mutable int m_padding; |
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}; |
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#endif // LISTITEMDELEGATE_H
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