/*
 * Copyright 2008, Ingo Weinhold, ingo_weinhold@gmx.de.
 * Distributed under the terms of the MIT license.
 */
#ifndef HYPER_TEXT_VIEW_H
#define HYPER_TEXT_VIEW_H

#include <TextView.h>


// TODO: The current implementation works correctly only for insertions at the
// end of the text. It doesn't keep track of any other insertions or deletions.


class HyperTextView;


class HyperTextAction {
public:
                                                                HyperTextAction();
        virtual                                         ~HyperTextAction();

        virtual void                            MouseOver(HyperTextView* view, BPoint where,
                                                                        int32 startOffset, int32 endOffset,
                                                                        BMessage* message);
        virtual void                            MouseAway(HyperTextView* view, BPoint where,
                                                                        int32 startOffset, int32 endOffset,
                                                                        BMessage* message);
        virtual void                            Clicked(HyperTextView* view, BPoint where,
                                                                        BMessage* message);
};


class HyperTextView : public BTextView {
public:
                                                                HyperTextView(const char* name,
                                                                        uint32 flags = B_WILL_DRAW
                                                                                | B_PULSE_NEEDED);
                                                                HyperTextView(BRect frame, const char* name,
                                                                        BRect textRect, uint32 resizeMask,
                                                                        uint32 flags = B_WILL_DRAW
                                                                                | B_PULSE_NEEDED);
        virtual                                         ~HyperTextView();

        virtual void                            MouseDown(BPoint where);
        virtual void                            MouseUp(BPoint where);
        virtual void                            MouseMoved(BPoint where, uint32 transit,
                                                                        const BMessage* dragMessage);

                        void                            AddHyperTextAction(int32 startOffset,
                                                                        int32 endOffset, HyperTextAction* action);

                        void                            InsertHyperText(const char* inText,
                                                                        HyperTextAction* action,
                                                                        const text_run_array* inRuns = NULL);
                        void                            InsertHyperText(const char* inText,
                                                                        int32 inLength, HyperTextAction* action,
                                                                        const text_run_array* inRuns = NULL);
private:
                        struct ActionInfo;
                        class ActionInfoList;

                        HyperTextAction*        _ActionAt(const BPoint& where) const;
                        const ActionInfo*       _ActionInfoAt(const BPoint& where) const;

private:
                        ActionInfoList*         fActionInfos;
                        const ActionInfo*       fLastActionInfo;
};


#endif  // HYPER_TEXT_VIEW_H