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// SPDX-FileCopyrightText: 2019 - 2022 UnionTech Software Technology Co., Ltd.
//
// SPDX-License-Identifier: GPL-3.0-or-later
#include "logviewheaderview.h"
#include <QDebug>
#include <QPaintEvent>
#include <QPainter>
#include <QPainterPath>
#include <DApplication>
#include <DGuiApplicationHelper>
#include <DPalette>
#include <DStyleHelper>
#include <DStyle>
static const int kSpacingMargin = 4;
#define ROW_HEIGHT 36
#define ROW_HEIGHT_COMPACT 24
LogViewHeaderView::LogViewHeaderView(Qt::Orientation orientation, QWidget *parent)
: DHeaderView(orientation, parent)
{
m_option = new QStyleOptionHeader;
viewport()->setAutoFillBackground(false);
setStretchLastSection(true);
setSectionResizeMode(QHeaderView::Interactive);
setDefaultAlignment(Qt::AlignLeft | Qt::AlignVCenter);
setFixedHeight(37);
setFocusPolicy(Qt::NoFocus);
#ifdef DTKWIDGET_CLASS_DSizeMode
// 紧凑模式信号处理
connect(DGuiApplicationHelper::instance(), &DGuiApplicationHelper::sizeModeChanged, this, &LogViewHeaderView::updateSizeMode);
updateSizeMode();
#endif
}
LogViewHeaderView::~LogViewHeaderView()
{
if (m_option != nullptr) {
delete m_option;
m_option = nullptr;
}
}
/**
* @brief LogViewHeaderView::paintSection 绘制表头
* @param painter
* @param rect
* @param logicalIndex
*/
void LogViewHeaderView::paintSection(QPainter *painter, const QRect &rect, int logicalIndex) const
{
painter->save();
painter->setRenderHint(QPainter::Antialiasing);
painter->setOpacity(1);
DPalette::ColorGroup cg;
#ifdef ENABLE_INACTIVE_DISPLAY
QWidget *wnd = DApplication::activeWindow();
if (!wnd) {
cg = DPalette::Inactive;
} else {
cg = DPalette::Active;
}
#else
cg = DPalette::Active;
#endif
DGuiApplicationHelper *dAppHelper = DGuiApplicationHelper::instance();
DPalette palette = dAppHelper->applicationPalette();
DStyle *style = dynamic_cast<DStyle *>(DApplication::style());
initStyleOption(m_option);
int margin = style->pixelMetric(DStyle::PM_ContentsMargins, m_option);
// title
QRect contentRect(rect.x(), rect.y(), rect.width(), rect.height() - m_spacing);
QRect hSpacingRect(rect.x(), contentRect.height(), rect.width(),
rect.height() - contentRect.height());
QBrush contentBrush(palette.color(cg, DPalette::Base));
// horizontal spacing
QBrush hSpacingBrush(palette.color(cg, DPalette::FrameBorder));
// vertical spacing
QBrush vSpacingBrush(palette.color(cg, DPalette::FrameBorder));
QRectF vSpacingRect(rect.x(), rect.y() + kSpacingMargin, m_spacing,
rect.height() - kSpacingMargin * 2);
QBrush clearBrush(palette.color(cg, DPalette::Window));
painter->fillRect(hSpacingRect, clearBrush);
painter->fillRect(hSpacingRect, hSpacingBrush);
if (visualIndex(logicalIndex) > 0) {
painter->fillRect(vSpacingRect, clearBrush);
painter->fillRect(vSpacingRect, vSpacingBrush);
}
QPen forground;
forground.setColor(palette.color(cg, DPalette::Text));
// 绘制文字
QRect textRect;
if (logicalIndex == sortIndicatorSection()) {
textRect = {contentRect.x() + margin, contentRect.y(), contentRect.width() - margin * 3 - 8,
contentRect.height()
};
} else {
textRect = {contentRect.x() + margin, contentRect.y(), contentRect.width() - margin,
contentRect.height()
};
}
if (!model()) {
return;
}
QString title = model()->headerData(logicalIndex, orientation(), Qt::DisplayRole).toString();
int align = Qt::AlignLeft | Qt::AlignVCenter;
painter->setPen(forground);
if (logicalIndex == 0) {
QRect col0Rect = textRect;
col0Rect.setX(textRect.x() + margin - 2);
painter->drawText(col0Rect, static_cast<int>(align), title);
} else {
painter->drawText(textRect, static_cast<int>(align), title);
}
if (isSortIndicatorShown() && logicalIndex == sortIndicatorSection()) {
// 绘制排序的箭头图标（8×5）
QRect sortIndicator(textRect.x() + textRect.width() + margin,
textRect.y() + (textRect.height() - 5) / 2, 8, 10);
m_option->rect = sortIndicator;
if (sortIndicatorOrder() == Qt::DescendingOrder) {
style->drawPrimitive(DStyle::PE_IndicatorArrowDown, m_option, painter, this);
} else if (sortIndicatorOrder() == Qt::AscendingOrder) {
style->drawPrimitive(DStyle::PE_IndicatorArrowUp, m_option, painter, this);
}
}
painter->restore();
}
void LogViewHeaderView::focusInEvent(QFocusEvent *event)
{
m_reson = event->reason();
DHeaderView::focusInEvent(event);
}
/**
* @brief LogViewHeaderView::paintEvent 在paintEvent里绘制背景
* @param event
*/
void LogViewHeaderView::paintEvent(QPaintEvent *event)
{
QPainter painter(viewport());
painter.save();
DPalette::ColorGroup cg;
//是否有为激活窗口状态
#ifdef ENABLE_INACTIVE_DISPLAY
QWidget *wnd = DApplication::activeWindow();
if (!wnd) {
cg = DPalette::Inactive;
} else {
cg = DPalette::Active;
}
#else
cg = DPalette::Active;
#endif
DGuiApplicationHelper *dAppHelper = DGuiApplicationHelper::instance();
DPalette palette = dAppHelper->applicationPalette();
painter.setRenderHints(QPainter::Antialiasing);
DStyle *style = dynamic_cast<DStyle *>(DApplication::style());
QBrush bgBrush(palette.color(cg, DPalette::Base));
QStyleOptionHeader option;
initStyleOption(&option);
int radius = style->pixelMetric(DStyle::PM_FrameRadius, &option);
QRect rect = viewport()->rect();
QRectF clipRect(rect.x(), rect.y(), rect.width(), rect.height() * 2);
QRectF subRect(rect.x(), rect.y() + rect.height(), rect.width(), rect.height());
QPainterPath clipPath, subPath;
clipPath.addRoundedRect(clipRect, radius, radius);
subPath.addRect(subRect);
clipPath = clipPath.subtracted(subPath);
painter.fillPath(clipPath, bgBrush);
DHeaderView::paintEvent(event);
painter.restore();
// draw focus
if (hasFocus() && (m_reson == Qt::TabFocusReason || m_reson == Qt::BacktabFocusReason)) {
QStyleOptionFocusRect o;
o.QStyleOption::operator=(option);
QRect focusRect {rect.x() - offset(), rect.y(), length() - sectionPosition(0), rect.height()};
o.rect = style->visualRect(layoutDirection(), rect, focusRect);
style->drawPrimitive(DStyle::PE_FrameFocusRect, &o, &painter);
}
}
QSize LogViewHeaderView::sizeHint() const
{
int nRowHeight = ROW_HEIGHT;
#ifdef DTKWIDGET_CLASS_DSizeMode
if (DGuiApplicationHelper::isCompactMode())
nRowHeight = ROW_HEIGHT_COMPACT;
else
nRowHeight = ROW_HEIGHT;
#else
nRowHeight = ROW_HEIGHT;
#endif
return QSize(width(), nRowHeight + m_spacing);
}
/**
* @brief LogViewHeaderView::sectionSizeHint 根据是否有排序箭头返回逻辑字段合适的尺寸
* @param logicalIndex
* @return
*/
int LogViewHeaderView::sectionSizeHint(int logicalIndex) const
{
QStyleOptionHeader option;
initStyleOption(&option);
DStyle *style = dynamic_cast<DStyle *>(DApplication::style());
int margin = style->pixelMetric(DStyle::PM_ContentsMargins, &option);
QFontMetrics fm(DApplication::font());
if (!model()) {
return -1;
}
QString buf = model()->headerData(logicalIndex, Qt::Horizontal, Qt::DisplayRole).toString();
int textWidth = fm.horizontalAdvance(buf);
if (sortIndicatorSection() == logicalIndex) {
return textWidth + margin * 3 + 8;
} else {
return textWidth + margin * 2;
}
}
void LogViewHeaderView::updateSizeMode()
{
int nRowHeight = ROW_HEIGHT;
#ifdef DTKWIDGET_CLASS_DSizeMode
if (DGuiApplicationHelper::isCompactMode())
nRowHeight = ROW_HEIGHT_COMPACT;
else
nRowHeight = ROW_HEIGHT;
#else
nRowHeight = ROW_HEIGHT;
#endif
setFixedHeight(nRowHeight);
}
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