269 lines
10 KiB
C++
269 lines
10 KiB
C++
/*
|
|
*
|
|
* Copyright (C) 2023, KylinSoft Co., Ltd.
|
|
*
|
|
* 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 3 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 <https://www.gnu.org/licenses/>.
|
|
*
|
|
*
|
|
*/
|
|
#include "result-view-delegate.h"
|
|
#include <QPainterPath>
|
|
using namespace UkuiSearch;
|
|
static ResultItemStyle *global_instance_of_item_style = nullptr;
|
|
|
|
ResultViewDelegate::ResultViewDelegate(QObject *parent) : QStyledItemDelegate(parent),
|
|
m_textDoc(new QTextDocument(this)),
|
|
m_hightLightEffectHelper(new HightLightEffectHelper(this))
|
|
{
|
|
m_textDoc->setDefaultFont(QApplication::font());
|
|
connect(qApp, &QApplication::fontChanged, m_textDoc, &QTextDocument::setDefaultFont);
|
|
}
|
|
|
|
void ResultViewDelegate::setSearchKeyword(const QString ®FindKeyWords)
|
|
{
|
|
m_hightLightEffectHelper->setExpression(regFindKeyWords);
|
|
}
|
|
|
|
QSize ResultViewDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
|
|
{
|
|
QSize size = QStyledItemDelegate::sizeHint(option,index);
|
|
size.setHeight(size.height() + 10);
|
|
return size;
|
|
}
|
|
|
|
void ResultViewDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
|
|
{
|
|
QStyleOptionViewItem opt = option;
|
|
initStyleOption(&opt, index);
|
|
opt.displayAlignment = Qt::Alignment(Qt::AlignLeft|Qt::AlignVCenter);
|
|
|
|
QString text = opt.text;
|
|
opt.text = QString();
|
|
|
|
QStyle *style = opt.widget->style();
|
|
style->proxy()->drawControl(QStyle::CE_ItemViewItem, &opt, painter, opt.widget); //绘制非文本区域内容
|
|
|
|
QRect textRect = style->subElementRect(QStyle::SE_ItemViewItemText, &opt, opt.widget);
|
|
QFontMetrics fontMetrics(opt.font);
|
|
text = fontMetrics.elidedText(text, Qt::ElideRight, textRect.width() - m_textDoc->documentMargin() - 1); //富余5px的宽度
|
|
opt.text = text;
|
|
|
|
painter->save();
|
|
if(opt.state & QStyle::State_Selected) {
|
|
m_hightLightEffectHelper->setTextColor(QBrush(opt.palette.highlightedText().color()));
|
|
} else {
|
|
m_hightLightEffectHelper->setTextColor(QBrush(opt.palette.text().color()));
|
|
}
|
|
|
|
m_textDoc->setPlainText(text);
|
|
m_hightLightEffectHelper->setDocument(m_textDoc);
|
|
m_hightLightEffectHelper->rehighlight();
|
|
|
|
painter->translate(textRect.x(), textRect.y() + (textRect.height() - fontMetrics.height()) / 2 - m_textDoc->documentMargin());
|
|
m_textDoc->drawContents(painter);
|
|
painter->restore();
|
|
}
|
|
|
|
ResultItemStyle *ResultItemStyle::getStyle()
|
|
{
|
|
if (!global_instance_of_item_style) {
|
|
global_instance_of_item_style = new ResultItemStyle;
|
|
}
|
|
return global_instance_of_item_style;
|
|
}
|
|
|
|
int ResultItemStyle::styleHint(QStyle::StyleHint hint, const QStyleOption *option, const QWidget *widget, QStyleHintReturn *returnData) const
|
|
{
|
|
switch (hint) {
|
|
case SH_ItemView_ActivateItemOnSingleClick:
|
|
return false;
|
|
default:
|
|
return qApp->style()->styleHint(hint, option, widget, returnData);
|
|
}
|
|
}
|
|
|
|
//void ResultItemStyle::drawPrimitive(QStyle::PrimitiveElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget) const
|
|
//{
|
|
// switch (element) {
|
|
// case PE_PanelItemViewItem: {
|
|
|
|
// bool isIconView = false;
|
|
// auto opt = qstyleoption_cast<const QStyleOptionViewItem *>(option);
|
|
// if (!opt)
|
|
// return;
|
|
// if (opt) {
|
|
// isIconView = (opt->decorationPosition & QStyleOptionViewItem::Top);
|
|
// }
|
|
|
|
// bool isHover = (option->state & State_MouseOver) && (option->state & ~State_Selected);
|
|
// bool isSelected = option->state & State_Selected;
|
|
// bool enable = option->state & State_Enabled;
|
|
// QColor color = option->palette.color(enable? QPalette::Active: QPalette::Disabled, QPalette::Highlight);
|
|
|
|
// if (isSelected) {
|
|
// color.setAlpha(255);
|
|
// } else if (isHover) {
|
|
// // color = opt->palette.color(QPalette::Active, QPalette::BrightText);
|
|
// // color.setAlpha(0.05);
|
|
// color = QColor(241, 241, 241);
|
|
// } else {
|
|
// color.setAlpha(0);
|
|
// }
|
|
// QPainterPath path;
|
|
|
|
// if(opt->viewItemPosition == QStyleOptionViewItem::OnlyOne) {
|
|
// path.addRoundedRect(option->rect, 6, 6);
|
|
// } else if(opt->viewItemPosition == QStyleOptionViewItem::Beginning) {
|
|
// //一个左侧有两个圆角的矩形
|
|
// path.moveTo(option->rect.topLeft() + QPoint(6, 0));
|
|
// path.cubicTo(option->rect.topLeft() + QPoint(6, 0),
|
|
// option->rect.topLeft(), option->rect.topLeft() +
|
|
// QPoint(0, 6));
|
|
|
|
// path.lineTo(option->rect.bottomLeft() - QPoint(0, 6));
|
|
// path.cubicTo(option->rect.bottomLeft() - QPoint(0, 6),
|
|
// option->rect.bottomLeft() + QPoint(0, 1),
|
|
// option->rect.bottomLeft() + QPoint(6, 1));
|
|
|
|
// path.lineTo(option->rect.bottomRight() + QPoint(1, 1));
|
|
// path.lineTo(option->rect.topRight()+ QPoint(1, 0));
|
|
// path.lineTo(option->rect.topLeft() + QPoint(6, 0));
|
|
// } else if(opt->viewItemPosition == QStyleOptionViewItem::Middle) {
|
|
// path.addRect(option->rect.adjusted(-1, 0, 1, 0));
|
|
// } else if(opt->viewItemPosition == QStyleOptionViewItem::End) {
|
|
// //一个右侧有两个圆角的矩形
|
|
// path.moveTo(option->rect.topRight() + QPoint(-6, 0));
|
|
// path.cubicTo(option->rect.topRight() + QPoint(-6, 0),
|
|
// option->rect.topRight(),
|
|
// option->rect.topRight() +
|
|
// QPoint(0, 6));
|
|
|
|
// path.lineTo(option->rect.bottomRight() - QPoint(0, 6));
|
|
// path.cubicTo(option->rect.bottomRight() - QPoint(0, 6),
|
|
// option->rect.bottomRight() + QPoint(0, 1),
|
|
// option->rect.bottomRight() + QPoint(-6, 1));
|
|
|
|
// path.lineTo(option->rect.bottomLeft() + QPoint(0, 1));
|
|
// path.lineTo(option->rect.topLeft());
|
|
// path.lineTo(option->rect.topRight() + QPoint(-6, 0));
|
|
// } else {
|
|
// // path.addRoundedRect(option->rect, 8, 8);
|
|
// }
|
|
|
|
// painter->save();
|
|
// painter->setRenderHint(QPainter::Antialiasing);
|
|
// painter->setPen(Qt::NoPen);
|
|
// painter->setBrush(color);
|
|
// painter->drawPath(path);
|
|
// // painter->fillPath(path, painter->brush());
|
|
|
|
// painter->restore();
|
|
// break;
|
|
// }
|
|
// default:
|
|
// break;
|
|
//// return QProxyStyle::drawPrimitive(element, option, painter, widget);
|
|
// }
|
|
|
|
//}
|
|
|
|
//void ResultItemStyle::drawControl(QStyle::ControlElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget) const
|
|
//{
|
|
// switch (element) {
|
|
// case CE_ItemViewItem: {
|
|
// if (const QStyleOptionViewItem *vopt = qstyleoption_cast<const QStyleOptionViewItem *>(option)) {
|
|
// painter->save();
|
|
// if (painter->clipPath().isEmpty()) {
|
|
// painter->setClipRect(option->rect);
|
|
// }
|
|
|
|
// QRect checkRect = proxy()->subElementRect(SE_ItemViewItemCheckIndicator, vopt, widget);
|
|
// QRect iconRect = proxy()->subElementRect(SE_ItemViewItemDecoration, vopt, widget);
|
|
|
|
// // draw the background
|
|
// proxy()->drawPrimitive(PE_PanelItemViewItem, option, painter, widget);
|
|
|
|
// // draw the check mark
|
|
// if (vopt->features & QStyleOptionViewItem::HasCheckIndicator) {
|
|
// QStyleOptionViewItem option(*vopt);
|
|
// option.rect = checkRect;
|
|
// option.state = option.state & ~QStyle::State_HasFocus;
|
|
|
|
// switch (vopt->checkState) {
|
|
// case Qt::Unchecked:
|
|
// option.state |= QStyle::State_Off;
|
|
// break;
|
|
// case Qt::PartiallyChecked:
|
|
// option.state |= QStyle::State_NoChange;
|
|
// break;
|
|
// case Qt::Checked:
|
|
// option.state |= QStyle::State_On;
|
|
// break;
|
|
// default:
|
|
// break;
|
|
// }
|
|
// proxy()->drawPrimitive(QStyle::PE_IndicatorViewItemCheck, &option, painter, widget);
|
|
// }
|
|
|
|
// // draw the icon
|
|
// QIcon::Mode mode = QIcon::Normal;
|
|
// if (!(vopt->state & QStyle::State_Enabled)) {
|
|
// mode = QIcon::Disabled;
|
|
// } else if (vopt->state & QStyle::State_Selected) {
|
|
// mode = QIcon::Selected;
|
|
// }
|
|
// QIcon::State state = vopt->state & QStyle::State_Open ? QIcon::On : QIcon::Off;
|
|
// auto pixmap = vopt->icon.pixmap(vopt->decorationSize, mode, state);
|
|
|
|
// iconRect.moveLeft(8);
|
|
// QStyle::drawItemPixmap(painter, iconRect, vopt->decorationAlignment, pixmap);
|
|
// painter->restore();
|
|
// return;
|
|
// }
|
|
// break;
|
|
// }
|
|
// default:
|
|
// break;
|
|
// }
|
|
//}
|
|
|
|
HightLightEffectHelper::HightLightEffectHelper(QObject *parent) : QSyntaxHighlighter(parent)
|
|
{
|
|
m_expression.setCaseSensitivity(Qt::CaseInsensitive);
|
|
m_expression.setPatternSyntax(QRegExp::FixedString);
|
|
}
|
|
|
|
void HightLightEffectHelper::setExpression(const QString &text)
|
|
{
|
|
m_expression.setPattern(text);
|
|
}
|
|
|
|
void HightLightEffectHelper::setTextColor(const QBrush &brush)
|
|
{
|
|
m_textCharFormat.setForeground(brush);
|
|
}
|
|
|
|
void HightLightEffectHelper::highlightBlock(const QString &text)
|
|
{
|
|
setFormat(0, text.length(), m_textCharFormat);
|
|
m_textCharFormat.setFontWeight(QFont::Bold);
|
|
int index = text.indexOf(m_expression);
|
|
while(index >= 0){
|
|
int length = m_expression.matchedLength();
|
|
setFormat(index, length, m_textCharFormat);
|
|
index = text.indexOf(m_expression, index+length);
|
|
}
|
|
m_textCharFormat.setFontWeight(QFont::Normal);
|
|
}
|