// ================================================================================
// ==      This file is a part of Turbo Badger. (C) 2011-2014, Emil Segerås      ==
// ==                     See tb_core.h for more information.                    ==
// ================================================================================

#ifndef TB_MESSAGE_WINDOW_H
#define TB_MESSAGE_WINDOW_H

#include "tb_window.h"
#include "tb_widgets_listener.h"

namespace tb {

enum TB_MSG {
    TB_MSG_NONE,
    TB_MSG_OK,
    TB_MSG_OK_CANCEL,
    TB_MSG_YES_NO
};

/** TBMessageWindowSettings contains additional settings for TBMessageWindow. */
class TBMessageWindowSettings
{
public:
    TBMessageWindowSettings() : msg(TB_MSG_OK), dimmer(false), styling(false) {}
    TBMessageWindowSettings(TB_MSG msg, TBID icon_skin) : msg(msg), icon_skin(icon_skin), dimmer(false), styling(false) {}
public:
    TB_MSG msg;			///< The type of response for the message.
    TBID icon_skin;		///< The icon skin (0 for no icon)
    bool dimmer;		///< Set to true to dim background widgets by a TBDimmer.
    bool styling;		///< Enable styling in the textfield.
};

/** TBMessageWindow is a window for showing simple messages.
    Events invoked in this window will travel up through the target widget.

    When the user click any of its buttons, it will invoke a click event
    (with the window ID), with the clicked buttons id as ref_id.
    Then it will delete itself.

    If the target widget is deleted while this window is alive, the
    window will delete itself. */
class TBMessageWindow : public TBWindow, private TBWidgetListener
{
public:
    // For safe typecasting
    TBOBJECT_SUBCLASS(TBMessageWindow, TBWindow);

    TBMessageWindow(TBWidget *target, TBID id);
    virtual ~TBMessageWindow();

    bool Show(const char *title, const char *message, TBMessageWindowSettings *settings = nullptr, int width = 0, int height = 0);

    virtual TBWidget *GetEventDestination() { return m_target.Get(); }

    virtual bool OnEvent(const TBWidgetEvent &ev);
    virtual void OnDie();

    void AddButton(TBID id, bool focused, TBLayout *layout = nullptr);
    void AddButtonLeft(TBID id, bool focused);

private:
    // TBWidgetListener
    virtual void OnWidgetDelete(TBWidget *widget);
    virtual bool OnWidgetDying(TBWidget *widget);
    TBWidgetSafePointer m_dimmer;
    TBWidgetSafePointer m_target;
};

}; // namespace tb

#endif // TB_MESSAGE_WINDOW_H