65 lines
2.5 KiB
C++
65 lines
2.5 KiB
C++
#include "ElaSuggestDelegate.h"
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#include <QPainter>
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#include <QPainterPath>
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#include "ElaSuggestBoxPrivate.h"
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#include "ElaSuggestModel.h"
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#include "ElaTheme.h"
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ElaSuggestDelegate::ElaSuggestDelegate(QObject *parent) : QStyledItemDelegate{parent} {
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_themeMode = eTheme->getThemeMode();
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connect(eTheme, &ElaTheme::themeModeChanged, this, [=](ElaThemeType::ThemeMode themeMode) { _themeMode = themeMode; });
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}
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ElaSuggestDelegate::~ElaSuggestDelegate() {}
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void ElaSuggestDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const {
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int margin = 2;
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QStyleOptionViewItem viewOption(option);
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initStyleOption(&viewOption, index);
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ElaSuggestModel *model = dynamic_cast<ElaSuggestModel *>(const_cast<QAbstractItemModel *>(index.model()));
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ElaSuggestion *suggest = model->getSearchSuggestion(index.row());
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if (option.state.testFlag(QStyle::State_HasFocus)) {
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viewOption.state &= ~QStyle::State_HasFocus;
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}
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painter->save();
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painter->setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
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QPainterPath path;
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QRect optionRect = option.rect;
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optionRect.adjust(margin * 2, margin, -margin * 2, -margin);
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path.addRoundedRect(optionRect, 8, 8);
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if (option.state & QStyle::State_Selected) {
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if (option.state & QStyle::State_MouseOver) {
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// 选中时覆盖
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painter->fillPath(path, ElaThemeColor(_themeMode, BasicSelectedHoverAlpha));
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} else {
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// 选中
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painter->fillPath(path, ElaThemeColor(_themeMode, BasicSelectedAlpha));
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}
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} else {
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if (option.state & QStyle::State_MouseOver) {
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// 覆盖时颜色
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painter->fillPath(path, ElaThemeColor(_themeMode, BasicHoverAlpha));
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}
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}
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// 文字绘制
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painter->setPen(ElaThemeColor(_themeMode, BasicText));
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painter->drawText(option.rect.x() + 37, option.rect.y() + 25, suggest->getSuggestText());
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// 图标绘制
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if (suggest->getElaIcon() != ElaIconType::None) {
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QFont iconFont = QFont("ElaAwesome");
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iconFont.setPixelSize(17);
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painter->setFont(iconFont);
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painter->drawText(option.rect.x() + 11, option.rect.y() + 26, QChar((unsigned short)suggest->getElaIcon()));
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}
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painter->restore();
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}
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QSize ElaSuggestDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const {
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QSize size = QStyledItemDelegate::sizeHint(option, index);
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size.setHeight(40);
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return size;
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}
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