SlsSelectionFunction.hxx

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#pragma once
 
#include <controller/SlsFocusManager.hxx>
#include <fupoor.hxx>
#include <memory>
 
namespace sd::slidesorter
{
class SlideSorter;
}
 
struct AcceptDropEvent;
 
namespace sd::slidesorter::controller
{
class SlideSorterController;
 
class SelectionFunction final : public FuPoor
{
public:
    SelectionFunction(const SelectionFunction&) = delete;
    SelectionFunction& operator=(const SelectionFunction&) = delete;
 
    static rtl::Reference<FuPoor> Create(SlideSorter& rSlideSorter, SfxRequest& rRequest);
 
    // Mouse- & Key-Events
    virtual bool KeyInput(const KeyEvent& rKEvt) override;
    virtual bool MouseMove(const MouseEvent& rMEvt) override;
    virtual bool MouseButtonUp(const MouseEvent& rMEvt) override;
    virtual bool MouseButtonDown(const MouseEvent& rMEvt) override;
 
    virtual void DoCut() override;
 
    virtual void DoCopy() override;
 
    virtual void DoPaste() override;
 
    virtual bool cancel() override;
 
    void MouseDragged(const AcceptDropEvent& rEvent, const sal_Int8 nDragAction);
 
    void NotifyDragFinished();
 
    class EventDescriptor;
    class ModeHandler;
    friend class ModeHandler;
    enum Mode
    {
        NormalMode,
        MultiSelectionMode,
        DragAndDropMode
    };
    void SwitchToNormalMode();
    void SwitchToDragAndDropMode(const Point& rMousePosition);
    void SwitchToMultiSelectionMode(const Point& rMousePosition, const sal_uInt32 nEventCode);
 
    void ResetShiftKeySelectionAnchor();
    void ResetMouseAnchor();
 
private:
    SlideSorter& mrSlideSorter;
    SlideSorterController& mrController;
 
    SelectionFunction(SlideSorter& rSlideSorter, SfxRequest& rRequest);
 
    virtual ~SelectionFunction() override;
 
    sal_Int32 mnShiftKeySelectionAnchor;
 
    std::shared_ptr<ModeHandler> mpModeHandler;
 
    void GotoNextPage(int nOffset);
 
    void GotoPage(int nIndex);
 
    void ProcessMouseEvent(sal_uInt32 nEventType, const MouseEvent& rEvent);
 
    // What follows are a couple of helper methods that are used by
    // ProcessMouseEvent().
 
    void ProcessEvent(EventDescriptor& rEvent);
 
    void MoveFocus(const FocusManager::FocusMoveDirection eDirection, const bool bIsShiftDown,
                   const bool bIsControlDown);
 
    void SwitchMode(const std::shared_ptr<ModeHandler>& rpHandler);
};
 
} // end of namespace ::sd::slidesorter::controller
 
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