101 lines
3.1 KiB
C++
101 lines
3.1 KiB
C++
#pragma once
|
|
#include "../PLUG_Services.hpp"
|
|
#include "../toon_boom_layout.hpp"
|
|
#include "QtXml/qdom.h"
|
|
#include <QtCore/QObject>
|
|
#include <QtCore/QPointer>
|
|
#include <QtCore/Qt>
|
|
#include <QtWidgets/QWidget>
|
|
#include <iostream>
|
|
#include <type_traits>
|
|
|
|
template <typename T>
|
|
concept isQWidget = std::is_base_of<QWidget, T>::value;
|
|
|
|
/**
|
|
* @brief Simple base class for implementing TULayoutView with a QWidget, with
|
|
all the ugly parts abstracted away.
|
|
|
|
* @tparam T The QWidget type to use
|
|
*/
|
|
template <isQWidget T> class TUWidgetLayoutViewBase : public TULayoutView {
|
|
public:
|
|
TUWidgetLayoutViewBase() {
|
|
m_widget = nullptr;
|
|
m_parentConnected = nullptr;
|
|
};
|
|
TUWidgetLayoutViewBase(T *widget) {
|
|
m_widget = widget;
|
|
m_parentConnected = nullptr;
|
|
};
|
|
virtual ~TUWidgetLayoutViewBase() {};
|
|
virtual void triggerMenuChanged() override {}
|
|
QWidget *widget() override {
|
|
return reinterpret_cast<QWidget *>(static_cast<TULayoutView *>(this));
|
|
}
|
|
const QWidget *getWidget() const override {
|
|
const_cast<TUWidgetLayoutViewBase *>(this)->ensureWidget();
|
|
const_cast<TUWidgetLayoutViewBase *>(this)->connectToParentIfNeeded();
|
|
return m_widget;
|
|
}
|
|
QWidget *getWidget() override {
|
|
ensureWidget();
|
|
connectToParentIfNeeded();
|
|
return m_widget;
|
|
}
|
|
// Note: initiate() is NOT called by Toon Boom! The actual parenting
|
|
// is done externally via getWidget() + setParent(). We keep this for
|
|
// API compatibility but the real work is done in connectToParentIfNeeded().
|
|
TULayoutView *initiate(QWidget *parent) override {
|
|
ensureWidget();
|
|
if (parent && m_widget) {
|
|
m_widget->setParent(parent);
|
|
connectToParent(parent);
|
|
}
|
|
return this;
|
|
}
|
|
|
|
void isTULayoutView() override {}
|
|
void disconnectView() override {}
|
|
|
|
protected:
|
|
QPointer<T> m_widget;
|
|
QWidget *m_parentConnected; // Track which parent we've connected to
|
|
void ensureWidget() {
|
|
if (!m_widget) {
|
|
m_widget = createWidget();
|
|
m_widget->setAttribute(Qt::WA_DeleteOnClose, false);
|
|
m_widget->setAttribute(Qt::WA_QuitOnClose, false);
|
|
}
|
|
}
|
|
// Connect to the widget's current parent to unparent before deletion
|
|
// This prevents cross-DLL heap corruption when Qt tries to delete our widget
|
|
void connectToParentIfNeeded() {
|
|
if (!m_widget)
|
|
return;
|
|
QWidget *parent = m_widget->parentWidget();
|
|
if (parent && parent != m_parentConnected) {
|
|
connectToParent(parent);
|
|
}
|
|
}
|
|
|
|
void connectToParent(QWidget *parent) {
|
|
if (!parent || !m_widget)
|
|
return;
|
|
m_parentConnected = parent;
|
|
QObject::connect(
|
|
parent, &QObject::destroyed, m_widget.data(),
|
|
[this]() {
|
|
std::cout << "[parent destroyed] Unparenting widget to prevent "
|
|
"cross-DLL heap deletion"
|
|
<< std::endl;
|
|
if (m_widget) {
|
|
m_widget->setParent(nullptr);
|
|
}
|
|
m_parentConnected = nullptr;
|
|
onParentDisconnect();
|
|
},
|
|
Qt::DirectConnection);
|
|
}
|
|
virtual T *createWidget() = 0;
|
|
}; |