解决了拖动操作的接收问题

SplitView/splitview.cpp

@@ -22,7 +22,7 @@ public:
     ViewDragDrapCommon(BaseView *inst) : target(inst) {}
     ViewDragDrapCommon() : target(nullptr) {}
 };
-QString ViewDragDrapCommon::type_sign = "custom/drag-drop-view";
+QString ViewDragDrapCommon::type_sign = "application/x-qt-windows-mime;value=\"ViewDragDrapCommon\"";
 
 Q_DECLARE_METATYPE(ViewDragDrapCommon)
 QDataStream &operator<<(QDataStream &out, const ViewDragDrapCommon &myObj) {
@@ -41,14 +41,18 @@ BaseView::BaseView(const QString &title, QWidget *view, bool empty, QWidget *par
     layout->setMargin(0);
     layout->setSpacing(0);
 
+    registComp(this);
+
     if (!empty) {
         title_header = new DragHeader(this);
         title_header->setText(title);
         title_header->setMaximumHeight(22);
 
         layout->addWidget(title_header, 0);
+        registComp(title_header);
     }
 
+    registComp(view);
     layout->addWidget(view, 1);
     setMouseTracking(true);
 }
@@ -71,16 +75,15 @@ void BaseView::registComp(QWidget *child) {
 }
 
 ViewPresent *BaseView::viewPanel() const {
-    const SplitRect *tnode = this;
+    if (!parentRect())
-    while (!tnode->parentRect()) {
+        return nullptr;
-        tnode = tnode->parentRect();
+    return parentRect()->viewPanel();
-    }
-
-    return static_cast<ViewPresent *>(const_cast<SplitRect *>(tnode));
 }
 
 void BaseView::closeView() {}
 
+bool BaseView::contains(QWidget *ptr) const { return comps_list.contains(ptr); }
+
 QWidget *BaseView::bind() const { return const_cast<BaseView *>(this); }
 
 SplitRect *BaseView::parentRect() const { return parent_store; }
@@ -113,8 +116,9 @@ QRectF BaseView::outline() const { return this->rect(); }
 
 void BaseView::relayout(const QRectF &outline) { this->setGeometry(outline.toRect()); }
 
-void BaseView::insertPerceptionHandle(ViewPresent *obj) {
+void BaseView::installPerceptionHandle(ViewPresent *obj) {
     for (auto &it : comps_list) {
+        it->setAcceptDrops(true);
         it->removeEventFilter(obj);
         it->installEventFilter(obj);
     }
@@ -210,9 +214,25 @@ ViewPresent::ViewPresent(SplitRect *initial_view, QWidget *parent) : QWidget(par
     qRegisterMetaTypeStreamOperators<ViewDragDrapCommon>("ViewDragDrapCommon");
 }
 
-void ViewPresent::setViewAdjust(bool state) { this->dragdrop_state = state; }
+void ViewPresent::registViewComp(BaseView *it) {
+    if (this->all_sep_views.contains(it))
+        return;
 
-bool ViewPresent::adjustState() const { return this->dragdrop_state; }
+    it->installPerceptionHandle(this);
+    all_sep_views << it;
+}
+
+void ViewPresent::setViewAdjust(bool state, BaseView *one) {
+    this->adjust_state = state;
+    if (!state)
+        one = nullptr;
+
+    this->adjust_view_store = one;
+}
+
+bool ViewPresent::adjustState() const { return this->adjust_state; }
+
+BaseView *ViewPresent::adjustView() const { return this->adjust_view_store; }
 
 void ViewPresent::append(SplitRect *inst, uint index) {
     auto pos = splitterPos();
@@ -242,9 +262,25 @@ void ViewPresent::append(SplitRect *inst, uint index) {
 }
 
 bool ViewPresent::eventFilter(QObject *watched, QEvent *event) {
-    if (adjustState()) {
+    auto adjust_state = adjustState();
-        qDebug() << "adjust-move";
+
-        return true;
+    qDebug() << event->type();
+
+    if (adjust_state && event->type() == QEvent::DragEnter) {
+        for (auto &v : all_sep_views) {
+            if (v->contains((QWidget *)watched)) {
+                auto outline = v->outline();
+                QPoint gpos(v->bind()->mapToGlobal(outline.topLeft().toPoint()));
+                QPoint local_pos(mapFromGlobal(gpos));
+                QRectF local_geom(local_pos, outline.size());
+
+                accept_panel->setGeometry(local_geom.toRect());
+                accept_panel->setVisible(true);
+
+                event->accept();
+                return true;
+            }
+        }
     }
 
     return QWidget::eventFilter(watched, event);
@@ -252,6 +288,8 @@ bool ViewPresent::eventFilter(QObject *watched, QEvent *event) {
 
 QWidget *ViewPresent::bind() const { return const_cast<ViewPresent *>(this); }
 
+ViewPresent *ViewPresent::viewPanel() const { return const_cast<ViewPresent *>(this); }
+
 SplitRect *ViewPresent::parentRect() const { return nullptr; }
 
 void ViewPresent::setParentRect(SplitRect *pinst) { throw new SimpleException<QString>("非法操作", "不允许对ViewPresent调用setParentRect！"); }
@@ -446,6 +484,12 @@ SplitView::SplitView(SplitRect *first, SplitRect *next, QWidget *parent) : QWidg
 
 QWidget *SplitView::bind() const { return const_cast<SplitView *>(this); }
 
+ViewPresent *SplitView::viewPanel() const {
+    if (parentRect() == nullptr)
+        return nullptr;
+    return parentRect()->viewPanel();
+}
+
 SplitRect *SplitView::parentRect() const { return parent_inst; }
 
 void SplitView::setParentRect(SplitRect *pinst) {
@@ -697,7 +741,8 @@ void DragHeader::mouseReleaseEvent(QMouseEvent *event) {
 
 void DragHeader::mouseMoveEvent(QMouseEvent *event) {
     if (std::get<0>(press_flag) && QLineF(std::get<1>(press_flag), event->pos()).length() > QApplication::startDragDistance()) {
-        view_core->viewPanel()->setViewAdjust(true);
+        auto panel = view_core->viewPanel();
+        panel->setViewAdjust(true, view_core);
 
         QDrag *drag = new QDrag(this);
         auto pix = view_core->grab();
@@ -705,13 +750,7 @@ void DragHeader::mouseMoveEvent(QMouseEvent *event) {
         drag->setHotSpot(QPoint(20, 20));
 
         QMimeData *mimeData = new QMimeData;
-
+        mimeData->setText("移动视图：" + view_core->title());
-        ViewDragDrapCommon wrap(view_core);
-        QByteArray buff;
-        QDataStream out(&buff, QIODevice::WriteOnly);
-        out << wrap;
-
-        mimeData->setData(ViewDragDrapCommon::type_sign, buff);
         drag->setMimeData(mimeData);
 
         drag->exec();

SplitView/splitview.h

@@ -45,6 +45,7 @@ namespace SplitFrame {
         virtual ~SplitRect() = default;
 
         virtual QWidget *bind() const = 0;
+        virtual ViewPresent *viewPanel() const = 0;
 
         virtual SplitRect *parentRect() const = 0;
         virtual void setParentRect(SplitRect *pinst) = 0;
@@ -71,6 +72,7 @@ namespace SplitFrame {
         // SplitRect interface
     public:
         virtual QWidget *bind() const override;
+        virtual ViewPresent *viewPanel() const override;
         virtual SplitRect *parentRect() const override;
         virtual void setParentRect(SplitRect *pinst) override;
 
@@ -135,6 +137,8 @@ namespace SplitFrame {
      * @brief 基础内容视图组件
      */
     class SPLITVIEW_EXPORT BaseView : public QWidget, public SplitRect {
+        friend class ViewPresent;
+
     public:
         BaseView(const QString &title, QWidget *view, bool empty = false, QWidget *parent = nullptr);
 
@@ -144,12 +148,13 @@ namespace SplitFrame {
         virtual void setIcon(const QIcon &icon);
         virtual QIcon viewIcon() const;
 
-        ViewPresent *viewPanel() const;
         virtual void closeView();
+        virtual bool contains(QWidget *ptr) const;
 
         // SplitRect interface
     public:
         virtual QWidget *bind() const override;
+        virtual ViewPresent *viewPanel() const override;
         virtual SplitRect *parentRect() const override;
         virtual void setParentRect(SplitRect *pinst) override;
         virtual std::pair<SplitRect *, SplitRect *> child() const override;
@@ -161,7 +166,6 @@ namespace SplitFrame {
         virtual QRectF outline() const override;
         virtual void relayout(const QRectF &outline) override;
 
-        virtual void insertPerceptionHandle(ViewPresent *obj);
         virtual void paintEvent(QPaintEvent *ev) override;
         virtual void retrieveComp(SplitRect *child_inst) override;
 
@@ -171,6 +175,7 @@ namespace SplitFrame {
         QList<QWidget *> comps_list;
 
     protected:
+        virtual void installPerceptionHandle(ViewPresent *obj);
         virtual void registComp(QWidget *child);
     };
 
@@ -181,12 +186,15 @@ namespace SplitFrame {
     public:
         ViewPresent(SplitRect *initial_view, QWidget *parent = nullptr);
 
+        void registViewComp(BaseView *it);
+
         /**
          * @brief 切换视图调整状态
          * @param state 状态开关
          */
-        void setViewAdjust(bool state);
+        void setViewAdjust(bool state, BaseView *one = nullptr);
         bool adjustState() const;
+        BaseView *adjustView() const;
 
         void append(SplitRect *inst, uint index);
 
@@ -197,6 +205,7 @@ namespace SplitFrame {
         // SplitRect interface
     public:
         virtual QWidget *bind() const override;
+        virtual ViewPresent *viewPanel() const override;
         virtual SplitRect *parentRect() const override;
         virtual void setParentRect(SplitRect *pinst) override;
 
@@ -220,11 +229,13 @@ namespace SplitFrame {
 
     private:
         DockPanel *const accept_panel;
+        BaseView *adjust_view_store;
         bool press_flags = false;
-        bool dragdrop_state = false;
+        bool adjust_state = false;
         QList<SplitRect *> view_anchors;
         // 方向，splitter位置，splitter宽度，extend索引
         std::tuple<SplitType, float, float, uint> split_info_store;
+        QList<BaseView *> all_sep_views;
 
         virtual void relayout();
         std::pair<QRectF, QRectF> viewRects();

u_test/main.cpp

@@ -41,9 +41,9 @@ int main(int argc, char *argv[]) {
     win->setCentralWidget(conv);
     conv->append(cview, 0);
 
-    aview->installEventFilter(conv);
+    conv->registViewComp(aview);
-    bview->installEventFilter(conv);
+    conv->registViewComp(bview);
-    cview->installEventFilter(conv);
+    conv->registViewComp(cview);
 
     win->show();