/*
 * Copyright 2001-2010, Haiku.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Mark Hogben
 *              DarkWyrm <bpmagic@columbus.rr.com>
 *              Axel Dörfler, axeld@pinc-software.de
 *              Philippe Saint-Pierre, stpere@gmail.com
 *              Stephan Aßmus <superstippi@gmx.de>
 */
#ifndef FONT_SELECTION_VIEW_H
#define FONT_SELECTION_VIEW_H


#include <Font.h>
#include <Handler.h>

class BLayoutItem;
class BBox;
class BMenu;
class BMenuField;
class BPopUpMenu;
class BTextView;
class BView;


class FontSelectionView : public BHandler {
public:
                                                                FontSelectionView(const char* name,
                                                                        const char* label, bool separateStyles,
                                                                        const BFont* font = NULL);
        virtual                                         ~FontSelectionView();

                        void                            AttachedToLooper();
        virtual void                            MessageReceived(BMessage* message);

                        void                            SetMessage(BMessage* message);
                        void                            SetTarget(BHandler* target);

                        void                            SetFont(const BFont& font, float size);
                        void                            SetFont(const BFont& font);
                        void                            SetSize(float size);
                        const BFont&            Font() const;

                        void                            SetDefaults();
                        void                            Revert();
                        bool                            IsDefaultable();
                        bool                            IsRevertable();

                        void                            UpdateFontsMenu();

                        BLayoutItem*            CreateSizesLabelLayoutItem();
                        BLayoutItem*            CreateSizesMenuBarLayoutItem();

                        BLayoutItem*            CreateFontsLabelLayoutItem();
                        BLayoutItem*            CreateFontsMenuBarLayoutItem();

                        BLayoutItem*            CreateStylesLabelLayoutItem();
                        BLayoutItem*            CreateStylesMenuBarLayoutItem();

                        BView*                          PreviewBox() const;
                        
private:
                        void                            _Invoke();

                        BFont                           _DefaultFont() const;
                        void                            _SelectCurrentFont(bool select);
                        void                            _SelectCurrentSize(bool select);
                        void                            _UpdateFontPreview();
                        void                            _BuildSizesMenu();
                        void                            _AddStylesToMenu(const BFont& font,
                                                                        BMenu* menu) const;

protected:
                        BMenuField*                     fFontsMenuField;
                        BMenuField*                     fStylesMenuField;
                        BMenuField*                     fSizesMenuField;
                        BPopUpMenu*                     fFontsMenu;
                        BPopUpMenu*                     fStylesMenu;
                        BPopUpMenu*                     fSizesMenu;
                        BTextView*                      fPreviewTextView;
                        float                           fPreviewTextWidth;
                        BBox*                           fPreviewBox;

                        BFont                           fSavedFont;
                        BFont                           fCurrentFont;

                        BMessage*                       fMessage;
                        BHandler*                       fTarget;
};

#endif  // FONT_SELECTION_VIEW_H