MRStatePluginUpdate.h

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#pragma once
#include "MRViewerFwd.h"
#include "exports.h"
#include "MRMesh/MRSignal.h"
#include <memory>
 
namespace MR
{
 
 
class IPluginUpdate
{
public:
    virtual ~IPluginUpdate() = default;
    virtual void preDrawUpdate() {}
protected:
    virtual void onPluginEnable_() { }
    virtual void onPluginDisable_() { }
    virtual bool shouldClose_() const { return false; }
};
 
class MRVIEWER_CLASS PluginCloseOnSelectedObjectRemove : public virtual IPluginUpdate
{
protected:
    MRVIEWER_API virtual void onPluginEnable_() override;
    MRVIEWER_API virtual void onPluginDisable_() override;
    MRVIEWER_API virtual bool shouldClose_() const override;
private:
    std::vector<std::shared_ptr<MR::Object>> selectedObjs_;
};
 
class MRVIEWER_CLASS PluginCloseOnChangeMesh : public virtual IPluginUpdate
{
protected:
    MRVIEWER_API virtual bool reactOnFaceSelectionChanges_() const { return false; }
 
    MRVIEWER_API virtual void onPluginEnable_() override;
    MRVIEWER_API virtual void onPluginDisable_() override;
    MRVIEWER_API virtual bool shouldClose_() const override;
    bool meshChanged_{ false };
 
private:
    std::vector<boost::signals2::scoped_connection> meshChangedConnections_;
};
 
class MRVIEWER_CLASS PluginUpdateOnChangeMeshPart : public virtual IPluginUpdate
{
public:
    using UpdateFunc = std::function<void()>;
    void setUpdateFunc( UpdateFunc func ) { func_ = func; }
    MRVIEWER_API virtual void preDrawUpdate() override;
protected:
    MRVIEWER_API virtual void onPluginEnable_() override;
    MRVIEWER_API virtual void onPluginDisable_() override;
private:
    bool dirty_{ false };
    UpdateFunc func_;
    std::vector<boost::signals2::scoped_connection> connections_;
};
 
class MRVIEWER_CLASS PluginCloseOnChangePointCloud : public virtual IPluginUpdate
{
protected:
    MRVIEWER_API virtual void onPluginEnable_() override;
    MRVIEWER_API virtual void onPluginDisable_() override;
    MRVIEWER_API virtual bool shouldClose_() const override;
    bool pointCloudChanged_{ false };
 
private:
    std::vector<boost::signals2::scoped_connection> pointCloudChangedConnections_;
};
 
class MRVIEWER_CLASS PluginCloseOnEscPressed : public virtual IPluginUpdate
{
protected:
    MRVIEWER_API bool shouldClose_() const override;
};
 
template<typename ...Updates>
class PluginUpdateOr : public Updates...
{
public:
    virtual void preDrawUpdate() override
    {
        ( Updates::preDrawUpdate(), ... );
    }
protected:
    virtual void onPluginEnable_() override
    {
        ( Updates::onPluginEnable_(), ... );
    }
    virtual void onPluginDisable_() override
    {
        [[maybe_unused]] int dummy;
        ( void )( dummy = ... = ( Updates::onPluginDisable_(), 0 ) );
    }
    virtual bool shouldClose_() const override
    {
        return ( Updates::shouldClose_() || ... );
    }
};
 
}