#include "customdelegate.h"
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namespace Ripples {
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CustomButtonDelegate::CustomButtonDelegate(const QStringList& iconPathList, QObject *parent):
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m_iconPathList(iconPathList),
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QStyledItemDelegate(parent)
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{}
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void CustomButtonDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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if (index.column() == 3 || index.column() == 4 || index.column() == 5 || index.column() == 6 || index.column() == 7){
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QStyleOptionButton button;
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button.rect = option.rect;
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button.state = QStyle::State_Enabled;
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// 获取Icon路径
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QIcon icon = QIcon(m_iconPathList.at(index.column()-3));
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const bool isHovered = (hoveredIndex == index);
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const bool isPressed = (pressedIndex == index);
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if(isPressed)
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button.state |= QStyle::State_Sunken;
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else if(isHovered)
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button.state |= QStyle::State_MouseOver;
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else
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button.state |= QStyle::State_Raised;
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// 图标绘制区域
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int iconSize = qMin(option.rect.width(), option.rect.height()) - 6;
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QRect iconRect(
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option.rect.center().x() - iconSize / 2,
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option.rect.center().y() - iconSize / 2,
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iconSize, iconSize
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);
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// 按下时偏移图标
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if (pressedIndex == index)
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iconRect.translate(1, 1); // 向右下偏移1像素
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// 绘制图标
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icon.paint(painter, iconRect, Qt::AlignCenter, QIcon::Normal);
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}
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else if (index.column() == 1){
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painter->save();
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// 获取数据
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QString topText = index.data(Qt::UserRole+1).toString();
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QString bottomText = index.data(Qt::UserRole+2).toString();
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QRect rect = option.rect;
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// 设置字体
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QFont topFont = option.font;
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topFont.setPointSize(topFont.pointSize() + 2); // 更大字号
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QFont bottomFont = option.font;
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bottomFont.setPointSize(bottomFont.pointSize() - 1); // 更小字号
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// 分割区域：上半部分和下半部分
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QRect topRect = rect.adjusted(4, 2, -4, -rect.height() / 2);
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QRect bottomRect = rect.adjusted(4, rect.height() / 2, -4, -2);
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// 绘制 topText
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painter->setFont(topFont);
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painter->drawText(topRect, Qt::AlignLeft | Qt::AlignVCenter, topText);
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// 绘制 bottomText
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painter->setFont(bottomFont);
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painter->setPen(Qt::gray);
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painter->drawText(bottomRect, Qt::AlignLeft | Qt::AlignVCenter, bottomText);
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painter->restore();
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}
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else{
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QStyledItemDelegate::paint(painter, option, index);
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}
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}
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bool CustomButtonDelegate::editorEvent(QEvent *event, QAbstractItemModel *model, const QStyleOptionViewItem &option, const QModelIndex &index)
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{
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if (index.column() == 3 || index.column() == 4 || index.column() == 5 || index.column() == 6 || index.column() == 7){
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auto *mouseEvent = dynamic_cast<QMouseEvent *>(event);
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if (!mouseEvent)
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return false;
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bool inside = option.rect.contains(mouseEvent->pos());
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switch (event->type()) {
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case QEvent::MouseMove:
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if (inside) hoveredIndex = index;
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else if (hoveredIndex == index) hoveredIndex = QModelIndex();
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requestUpdate(option, index);
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break;
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case QEvent::MouseButtonPress:
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if (inside) {
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pressedIndex = index;
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requestUpdate(option, index);
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}
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break;
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case QEvent::MouseButtonRelease:
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if (pressedIndex == index && inside)
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emit iconClicked(index);
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pressedIndex = QModelIndex();
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requestUpdate(option, index);
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break;
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default:
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break;
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}
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}
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return true;
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}
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QSize CustomButtonDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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// 根据字体估算高度
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QFontMetrics topFM(option.font);
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QFontMetrics bottomFM(option.font);
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int height = topFM.height() + bottomFM.height() + 6; // 加一些padding
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return QSize(100, height);
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}
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void CustomButtonDelegate::requestUpdate(const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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auto *view = qobject_cast<QAbstractItemView *>(parent());
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if (view) {
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QRect rect = view->visualRect(index);
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view->viewport()->update(rect);
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}
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}
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} // namespace Ripples
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