menubtn.hxx

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#ifndef INCLUDED_VCL_MENUBTN_HXX
#define INCLUDED_VCL_MENUBTN_HXX

#include <vcl/button.hxx>
#include <vcl/dllapi.h>
#include <memory>

class Timer;
class PopupMenu;

class VCL_DLLPUBLIC MenuButton : public PushButton
{
private:
    friend class VclBuilder;

    std::unique_ptr<Timer> mpMenuTimer;
    VclPtr<PopupMenu> mpMenu;
    VclPtr<Window>  mpFloatingWindow;
    OString         msCurItemIdent;
    sal_uInt16      mnCurItemId;
    bool            mbDelayMenu;
    bool            mbStartingMenu;
    Link<MenuButton*,void> maActivateHdl;
    Link<MenuButton*,void> maSelectHdl;

    DECL_DLLPRIVATE_LINK( ImplMenuTimeoutHdl, Timer*, void );

                           MenuButton( const MenuButton & ) = delete;
                           MenuButton& operator=( const MenuButton & ) = delete;

protected:
    using Window::ImplInit;
    SAL_DLLPRIVATE void    ImplInit( vcl::Window* pParent, WinBits nStyle );

public:
    explicit        MenuButton( vcl::Window* pParent, WinBits nStyle = 0 );
    virtual         ~MenuButton() override;
    virtual void    dispose() override;

    virtual void    MouseButtonDown( const MouseEvent& rMEvt ) override;
    virtual void    KeyInput( const KeyEvent& rKEvt ) override;

    virtual void    Activate() override;
    virtual void    Select();

    void            ExecuteMenu();
    bool            InPopupMode() const;
    void            CancelMenu();

    //if false then the whole button launches the menu
    //if true, then the button has a separator
    //where the right portion launches the menu immediately
    //where the left portion activates the underlying Button handlers
    //before launching the menu in an idle, allowing it to be cancelled
    //before being shown
    void            SetDelayMenu(bool bDelay) { mbDelayMenu = bDelay; }

    void            SetPopupMenu(PopupMenu* pNewMenu);
    PopupMenu*      GetPopupMenu() const { return mpMenu; }

    void            SetPopover(Window* pWindow);

    sal_uInt16      GetCurItemId() const { return mnCurItemId; }
    OString const & GetCurItemIdent() const { return msCurItemIdent; }

    void            SetActivateHdl( const Link<MenuButton *, void>& rLink ) { maActivateHdl = rLink; }
    void            SetSelectHdl( const Link<MenuButton *, void>& rLink ) { maSelectHdl = rLink; }
};


class VCL_DLLPUBLIC MenuToggleButton final : public MenuButton
{
public:
    explicit        MenuToggleButton( vcl::Window* pParent, WinBits nStyle );
    virtual         ~MenuToggleButton() override;

    void            SetActive( bool bSel );
};

#endif // INCLUDED_VCL_MENUBTN_HXX

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