添加自定义HeaderView，支持多行展示，支持每一行的样式设置，支持section大小随内自适配

CMakeLists.txt

@@ -30,6 +30,7 @@ set(H_HEADER_FILES
     include/settings.h
     include/tableWidgetHoverDelegate.h
     include/customMenu.h
+    include/multiLineHeaderView.h
     include/modelInfoEditDialog.h
     include/sqlQueryExecutor.h
     include/attributeTableModel.h
@@ -52,6 +53,7 @@ set(CPP_SOURCE_FILES
     source/settings.cpp
     source/tableWidgetHoverDelegate.cpp
     source/customMenu.cpp
+    source/multiLineHeaderView.cpp
     source/modelInfoEditDialog.cpp
     source/sqlQueryExecutor.cpp
     source/attributeTableModel.cpp

include/attributeView.h

@@ -7,6 +7,7 @@
 #include "attributeTableModel.h"
 
 class QVBoxLayout;
+class MultiLineHeaderView;
 class AttributeView : public QWidget
 {
     Q_OBJECT
@@ -31,6 +32,8 @@ private:
     QTableView* m_tableView;
     AttributeTableModel* m_attributeTableModel;
     QVBoxLayout* m_vLayout;
+
+    MultiLineHeaderView* m_multiLinHeader;
 };
 
 #endif //ATTRIBUTEVIEW_H

include/multiLineHeaderView.h

@@ -0,0 +1,37 @@
+#ifndef MULTILINEHEADERVIEW
+#define MULTILINEHEADERVIEW
+
+#include <QHeaderView>
+
+struct HeaderLineStyle
+{
+    QFont font = QFont("Microsoft YaHei", 9);
+    QColor color = QColor(26, 26, 26);
+    Qt::Alignment alignment = Qt::AlignLeft;
+};
+
+class MultiLineHeaderView : public QHeaderView
+{
+    Q_OBJECT
+
+public:
+    explicit MultiLineHeaderView(Qt::Orientation orientation, QWidget* parent = nullptr);
+
+    void setLineSpacing(int);
+    void setBackgroundColor(QColor&);
+    void setBorderColor(QColor&);
+    void setSectionLineStyle(int, int, const HeaderLineStyle&); //设置某列的某行文字样式
+
+protected:
+    void paintSection(QPainter*, const QRect&, int) const override;
+    QSize sectionSizeFromContents(int) const override;
+
+private:
+    QHash<int, QMap<int, HeaderLineStyle>> m_sectionStyles; //列号->(行号->样式)
+    HeaderLineStyle m_defaultStyle;
+    QColor m_bgColor; //背景颜色
+    QColor m_borderColor; //边框颜色
+    int m_linSpacing; //行间距
+};
+
+#endif //MULTILINEHEADERVIEW

source/attributeTableModel.cpp

@@ -122,7 +122,11 @@ QVariant AttributeTableModel::headerData(int section, Qt::Orientation orientatio
             return role == Qt::DisplayRole ? "No." : QVariant();
         else
         {
-            return m_displayField.value(section - 1).displayName;
+            QString headerText = m_displayField.value(section - 1).displayName;
+            if(!m_displayField.value(section - 1).dataType.isEmpty())
+                headerText = headerText + "\n" + m_displayField.value(section - 1).dataType;
+
+            return headerText;
         }
     }
     return QAbstractTableModel::headerData(section, orientation, role);
@@ -144,7 +148,7 @@ Qt::ItemFlags AttributeTableModel::flags(const QModelIndex &index) const
     QString text = numberIndex.data(Qt::DisplayRole).toString();
 
     Qt::ItemFlags flags = QAbstractTableModel::flags(index);
-    if (index.column() != 0 || !text.contains("-")) //行号列不能编辑
+    if (index.column() != 0 && !text.contains("-")) //行号列和处于删除状态的item不能编辑
         flags = flags | Qt::ItemIsEditable;
     return flags;
 }
@@ -154,26 +158,31 @@ void AttributeTableModel::iniDisplayField()
     FieldInfo field1;
     field1.originalName = "attribute";
     field1.displayName = QString::fromWCharArray(L"属性类别");
+    field1.dataType = "character varying(128)";
     m_displayField.append(field1);
 
     FieldInfo field2;
     field2.originalName = "attribute_name";
     field2.displayName = QString::fromWCharArray(L"属性名称");
+    field2.dataType = "character varying(64)";
     m_displayField.append(field2);
 
     FieldInfo field3;
     field3.originalName = "data_type_id";
     field3.displayName = QString::fromWCharArray(L"数据类型");
+    field3.dataType = "bigint";
     m_displayField.append(field3);
 
     FieldInfo field4;
     field4.originalName = "length_precision";
     field4.displayName = QString::fromWCharArray(L"数据精度");
+    field4.dataType = "integer";
     m_displayField.append(field4);
 
     FieldInfo field5;
     field5.originalName = "default_value";
     field5.displayName = QString::fromWCharArray(L"默认值");
+    field5.dataType = "character varying(64)";
     m_displayField.append(field5);
 }
 

source/attributeView.cpp

@@ -1,7 +1,9 @@
 #include "attributeView.h"
 #include "attributeTableDelegate.h"
+#include "multiLineHeaderView.h"
 #include <QHeaderView>
 #include <QVBoxLayout>
+#include <QTimer>
 
 AttributeView::AttributeView(const ModelAttributeGroup& modelAttributeGroup, QWidget* parent, const QString& connection, const QString& tableName)
     : QWidget(parent)
@@ -11,7 +13,7 @@ AttributeView::AttributeView(const ModelAttributeGroup& modelAttributeGroup, QWi
 {
     m_tableView = new QTableView(this);
     m_tableView->verticalHeader()->setVisible(false);
-    m_tableView->horizontalHeader()->setDefaultAlignment(Qt::AlignLeft | Qt::AlignVCenter);
+    //m_tableView->horizontalHeader()->setDefaultAlignment(Qt::AlignLeft | Qt::AlignVCenter);
 
     m_attributeTableModel = new AttributeTableModel(m_modelAttributeGroup, this, m_connection, m_attributeTable);
     m_tableView->setModel(m_attributeTableModel);
@@ -19,6 +21,29 @@ AttributeView::AttributeView(const ModelAttributeGroup& modelAttributeGroup, QWi
     AttributeTableDelegate* delegate = new AttributeTableDelegate(m_tableView, m_tableView);
     m_tableView->setItemDelegate(delegate);
 
+    //自定义表头
+    m_multiLinHeader = new MultiLineHeaderView(Qt::Horizontal, this);
+    QColor bg(246, 246, 246);
+    QColor border(228, 228, 228);
+    m_multiLinHeader->setBackgroundColor(bg);
+    m_multiLinHeader->setBorderColor(border);
+    //主标题加粗展示
+    for(int i =0; i < m_attributeTableModel->columnCount(); i++)
+    {
+        HeaderLineStyle mainTitleStyle;
+        mainTitleStyle.font.setBold(true);
+        m_multiLinHeader->setSectionLineStyle(i, 0, mainTitleStyle);
+        HeaderLineStyle subTitleStyle;
+        //subTitleStyle.font.setPointSize(8);
+        m_multiLinHeader->setSectionLineStyle(i, 1, subTitleStyle);
+    }
+    m_tableView->setHorizontalHeader(m_multiLinHeader);
+    //除了第一列其余列恢复可以手动调整模式
+    QTimer::singleShot(1000, [=](){
+        for(int i = 1; i < m_multiLinHeader->count(); i++)
+            m_multiLinHeader->setSectionResizeMode(i, QHeaderView::Interactive);
+    });
+
     m_vLayout = new QVBoxLayout(this);
     m_vLayout->setSpacing(0);
     m_vLayout->setContentsMargins(0, 0, 0, 0);

source/main.cpp

@@ -5,6 +5,7 @@
 
 int main(int argc, char *argv[])
 {
+    qputenv("QT_WAYLAND_DISABLE_WINDOWDECORATION", "0"); // Wayland 下启用装饰
     QApplication a(argc, argv);
     LOG_INFO("Application", "------------------------------------------------Application start------------------------------------------------");
 

source/mainwindow.cpp

@@ -99,8 +99,12 @@ void MainWindow::showMessageDialog(MessageDialogType type,const QString& strTitl
     }
 
     m_pMessageDialog->setMessage(type, strTitle, strContent);
-    int nX = this->geometry().x() + (this->width() - m_pMessageDialog->width()) * 0.5;
+    // int nX = this->geometry().x() + (this->width() - m_pMessageDialog->width()) * 0.5;
-    int nY = this->geometry().y() + (this->height() - m_pMessageDialog->height()) * 0.5;
+    // int nY = this->geometry().y() + (this->height() - m_pMessageDialog->height()) * 0.5;
+    // m_pMessageDialog->move(nX, nY);
+    QRect parentFrame = this->frameGeometry(); // 获取父窗口的完整几何信息（包含边框和标题栏），适用于快平台对其
+    int nX = parentFrame.x() + (parentFrame.width() - m_pMessageDialog->width()) / 2;
+    int nY = parentFrame.y() + (parentFrame.height() - m_pMessageDialog->height()) / 2;
     m_pMessageDialog->move(nX, nY);
     //m_pMessageDialog->raise();
     // if(type == type_question)
@@ -142,8 +146,12 @@ void MainWindow::onActionTrigger_connect()
         connect(m_pConnectionDialog, &ConnectionDialog::addConnection, this, &MainWindow::onSIG_addConnection);
     }
 
-    int nX = this->geometry().x() + (this->width() - m_pConnectionDialog->width()) * 0.5;
+   /* int nX = this->geometry().x() + (this->width() - m_pConnectionDialog->width()) * 0.5;
     int nY = this->geometry().y() + (this->height() - m_pConnectionDialog->height()) * 0.5;
+    m_pConnectionDialog->move(nX, nY);*/
+    QRect parentFrame = this->frameGeometry(); // 获取父窗口的完整几何信息（包含边框和标题栏），适用于快平台对其
+    int nX = parentFrame.x() + (parentFrame.width() - m_pConnectionDialog->width()) / 2;
+    int nY = parentFrame.y() + (parentFrame.height() - m_pConnectionDialog->height()) / 2;
     m_pConnectionDialog->move(nX, nY);
     m_pConnectionDialog->exec();
 }

source/multiLineHeaderView.cpp

@@ -0,0 +1,104 @@
+#include "multiLineHeaderView.h"
+#include <QPainter>
+
+MultiLineHeaderView::MultiLineHeaderView(Qt::Orientation orientation, QWidget* parent)
+    : QHeaderView(orientation, parent)
+{
+    m_linSpacing = 2;
+    m_bgColor = QColor(Qt::white);
+    m_borderColor = QColor(Qt::lightGray);
+    setSectionResizeMode(QHeaderView::ResizeToContents);//根据内容自动调整大小
+}
+
+void MultiLineHeaderView::setLineSpacing(int spacing)
+{
+    m_linSpacing = spacing;
+}
+
+void MultiLineHeaderView::setBackgroundColor(QColor& color)
+{
+    m_bgColor = color;
+}
+
+void MultiLineHeaderView::setBorderColor(QColor& color)
+{
+    m_borderColor = color;
+}
+
+void MultiLineHeaderView::paintSection(QPainter* painter, const QRect& rect, int logicalIndex) const
+{
+    if(!painter->isActive())
+        return;
+
+    //绘制背景
+    painter->fillRect(rect, m_bgColor);
+    //获取文本
+    QString text = model()->headerData(logicalIndex, orientation()).toString();
+    QStringList lines = text.split('\n');
+    //获取当前列的样式
+    QMap<int, HeaderLineStyle> styles = m_sectionStyles.value(logicalIndex);
+    //计算总高度并垂直居中
+    int totalHeight = 0;
+    QVector<int> lineHeights;
+    for(int i = 0; i < lines.size(); i++)
+    {
+        HeaderLineStyle style = styles.value(i, m_defaultStyle);
+        QFontMetrics fm(style.font);
+        lineHeights.append(fm.height());
+        totalHeight += fm.height() + (i < lines.size() - 1 ? m_linSpacing : 0);
+    }
+    int y = rect.y() + (rect.height() - totalHeight) * 0.5;
+    //逐行绘制文本
+    for(int i = 0; i < lines.size(); i++)
+    {
+        const QString& line = lines.at(i);
+        HeaderLineStyle style = styles.value(i, m_defaultStyle);
+        QFontMetrics fm(style.font);
+        //水平位置
+        int padding = 10;
+        int x = rect.x() + padding; //左对齐
+        if(style.alignment & Qt::AlignRight) //右对齐
+            x = rect.right() - fm.horizontalAdvance(line) - 4;//'horizontalAdvance'计算文本的横向距离
+        else if(style.alignment & Qt::AlignHCenter) //水平居中
+            x = rect.x() + (rect.width() - fm.horizontalAdvance(line)) * 0.5;
+        //设置字体和颜色
+        painter->setFont(style.font);
+        painter->setPen(style.color);
+        //绘制文本
+        painter->drawText(x, y + fm.ascent(), line); //绘制文本的基线X轴离文本上方的距离为ascent，下方距离为descent
+        y = y + lineHeights[i] + m_linSpacing;
+    }
+
+    //绘制边框
+    QPen pen(m_borderColor, 1);
+    painter->setPen(pen);
+    QRect adjustRect = rect.adjusted(0, 0, 1, 0);
+    painter->drawLine(adjustRect.topLeft(), adjustRect.bottomLeft());
+    painter->drawLine(adjustRect.topRight(), adjustRect.bottomRight());
+}
+//自动调整行高
+QSize MultiLineHeaderView::sectionSizeFromContents(int logicalIndex) const
+{
+    //获取文本
+    QString text = model()->headerData(logicalIndex, orientation()).toString();
+    //获取当前列的样式
+    QMap<int, HeaderLineStyle> styles = m_sectionStyles.value(logicalIndex);
+    QStringList lines = text.split('\n');
+    int maxWidth = 0;
+    int totalHeight = 0;
+    for(int i = 0; i < lines.size(); i++)
+    {
+        HeaderLineStyle style = styles.value(i, m_defaultStyle);
+        QFontMetrics fm(style.font);
+        maxWidth = qMax(maxWidth, fm.horizontalAdvance(lines[i]));
+        totalHeight += fm.height() + (i < lines.size() - 1 ? m_linSpacing : 0);
+    }
+    //qDebug() << maxWidth << "," << totalHeight;
+    return QSize(maxWidth + 20, totalHeight + 4);
+}
+
+void MultiLineHeaderView::setSectionLineStyle(int section, int line, const HeaderLineStyle& style)
+{
+    m_sectionStyles[section][line] = style;
+    updateSection(section);
+}

ui/mainwindow.ui

@@ -68,12 +68,10 @@ QTabBar::tab:selected
 
 QHeaderView
 {
-	background-color: rgb(240, 240, 240);
+background-color: rgb(250, 250, 250);
 }
 QHeaderView::section
 {
-    height:26px;
-	background-color: transparent;
 }
 
 QTableView