GTextLog.h

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#ifndef _GTEXTLOG_H_
#define _GTEXTLOG_H_

#include "GTextView3.h"

#define M_LOG           (M_USER + 0x3000)

class GTextLog : public GTextView3, public GStream
{
protected:
    bool RemoveReturns;
    GSemaphore Sem;
    GArray<char16*> Txt;

public:
    GTextLog(int id) : GTextView3(id, 0, 0, 2000, 1000)
    {
        RemoveReturns = true;
        Sunken(true);
        SetPourLargest(true);
    }
    
    ~GTextLog()
    {
        if (Sem.Lock(_FL))
        {
            Txt.DeleteArrays();
            Sem.Unlock();
        }
    }

    void Add(char16 *w)
    {
        int Len;
        
        if (RemoveReturns)
        {
            char16 *i = w, *o = w;
            while (*i)
            {
                if (*i != '\r')
                {
                    *o++ = *i++;
                }
                else
                {
                    i++;
                }
            }
            *o = 0;
            Len = o - w;
        }
        else
        {
            Len = StrlenW(w);
        }
        
        Insert(Size, w, Len);
        DeleteArray(w);
        Invalidate();
        SetCursor(Size, false);
    }

    int64 SetSize(int64 s)
    {
        Name(0);
        return 0;
    }
    
    int Write(void *Buffer, int Size, int Flags = 0)
    {
        char16 *w = LgiNewUtf8To16((char*)Buffer, Size);
        if (w)
        {
            if (InThread())
            {
                Add(w);
            }
            else if (Sem.Lock(_FL))
            {
                Txt.Add(w);
                Sem.Unlock();
                PostEvent(M_LOG);
            }
        }
        return Size;
    }

    int OnEvent(GMessage *m)
    {
        if (MsgCode(m) == M_LOG)
        {
            if (Sem.Lock(_FL))
            {
                for (int i=0; i<Txt.Length(); i++)
                {
                    Add(Txt[i]);
                }
                Txt.Length(0);
                Sem.Unlock();
            }
        }

        return GTextView3::OnEvent(m);
    }
};

#endif

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