feat: 添加ElaWidgetTool库

ElaWidgetTools/ElaTabWidget.cpp

@@ -0,0 +1,85 @@
+#include "ElaTabWidget.h"
+
+#include "ElaTabBar.h"
+#include "ElaTabWidgetPrivate.h"
+#include <QDebug>
+#include <QDrag>
+#include <QMimeData>
+#include <QMouseEvent>
+#include <QPainter>
+ElaTabWidget::ElaTabWidget(QWidget* parent)
+    : QTabWidget(parent), d_ptr(new ElaTabWidgetPrivate())
+{
+    Q_D(ElaTabWidget);
+    d->q_ptr = this;
+    _pIsTabTransparent = false;
+    setObjectName("ElaTabWidget");
+    setAcceptDrops(true);
+    ElaTabBar* tabBar = new ElaTabBar(this);
+    setTabBar(tabBar);
+    connect(tabBar, &ElaTabBar::tabDragCreate, d, &ElaTabWidgetPrivate::onTabDragCreate);
+    connect(tabBar, &ElaTabBar::tabDragDrop, d, &ElaTabWidgetPrivate::onTabDragDrop);
+    connect(tabBar, &ElaTabBar::tabCloseRequested, d, &ElaTabWidgetPrivate::onTabCloseRequested);
+}
+
+ElaTabWidget::~ElaTabWidget()
+{
+    Q_D(ElaTabWidget);
+    for (auto widget: d->_allTabWidgetList)
+    {
+        auto originTabWidgetVariant = widget->property("ElaOriginTabWidget");
+        if (originTabWidgetVariant.isValid() && originTabWidgetVariant.value<ElaTabWidget*>() == this)
+        {
+            widget->setProperty("ElaOriginTabWidget", QVariant());
+        }
+    }
+}
+
+void ElaTabWidget::setTabPosition(TabPosition position)
+{
+    if (position == QTabWidget::North || position == QTabWidget::South)
+    {
+        QTabWidget::setTabPosition(position);
+    }
+}
+
+void ElaTabWidget::paintEvent(QPaintEvent* event)
+{
+    if (!_pIsTabTransparent)
+    {
+        QTabWidget::paintEvent(event);
+    }
+}
+
+void ElaTabWidget::dragEnterEvent(QDragEnterEvent* event)
+{
+    if (event->mimeData()->property("DragType").toString() == "ElaTabBarDrag")
+    {
+        event->acceptProposedAction();
+    }
+    QTabWidget::dragEnterEvent(event);
+}
+
+void ElaTabWidget::dropEvent(QDropEvent* event)
+{
+    Q_D(ElaTabWidget);
+    if (event->mimeData()->property("ElaTabWidgetObject").value<ElaTabWidget*>() != this)
+    {
+        QMimeData* data = const_cast<QMimeData*>(event->mimeData());
+        data->setProperty("TabDropIndex", count());
+        d->onTabDragDrop(event->mimeData());
+        event->accept();
+    }
+    QTabWidget::dropEvent(event);
+}
+
+void ElaTabWidget::tabInserted(int index)
+{
+    Q_D(ElaTabWidget);
+    QWidget* tabWidget = widget(index);
+    if (!tabWidget->property("ElaOriginTabWidget").isValid())
+    {
+        d->_allTabWidgetList.append(widget(index));
+    }
+    QTabWidget::tabInserted(index);
+}