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//---------------------------------------------------------------------------
#include <vcl.h>
#include <ctype.h>
#include <stdio.h>
#pragma hdrstop
#include "console.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
#define MAXLEN 200
#define MAXLINE 2048
#define TOPMARGIN 2
#define LEFTMARGIN 3
TConsole *Console;
//---------------------------------------------------------------------------
__fastcall TConsole::TConsole(TComponent* Owner)
: TForm(Owner)
{
ConBuff=new TStringList;
ConBuff->Add("");
DoubleBuffered=true;
Stop=0;
ScrollPos=0;
}
//---------------------------------------------------------------------------
void __fastcall TConsole::ConsolePaint(TObject *Sender)
{
TCanvas *c=Console->Canvas;
TSize off=c->TextExtent(" ");
int n,m,p,y=TOPMARGIN;
c->Brush->Style=bsSolid;
c->Brush->Color=clWhite;
c->FillRect(Console->ClientRect);
n=ConBuff->Count; if (ConBuff->Strings[n-1]=="") n--;
m=(Console->Height-TOPMARGIN*2)/off.cy;
p=m>=n?0:n-m-ScrollPos;
for (int i=p<0?0:p;i<ConBuff->Count;i++,y+=off.cy) {
if (y+off.cy>Console->Height-TOPMARGIN) break;
c->Font->Color=i<n-1?clGray:clBlack;
c->TextOut(LEFTMARGIN,y,ConBuff->Strings[i]);
}
Scroll->Max=n<=m?m-1:n-m;
Scroll->Position=Scroll->Max-ScrollPos;
}
//---------------------------------------------------------------------------
void __fastcall TConsole::ScrollChange(TObject *Sender)
{
ScrollPos=Scroll->Max-Scroll->Position;
Console->Invalidate();
}
//---------------------------------------------------------------------------
void __fastcall TConsole::FormResize(TObject *Sender)
{
Console->Invalidate();
}
//---------------------------------------------------------------------------
void __fastcall TConsole::BtnCloseClick(TObject *Sender)
{
Close();
}
//---------------------------------------------------------------------------
void __fastcall TConsole::BtnAscClick(TObject *Sender)
{
if (ConBuff->Strings[ConBuff->Count-1]!="") ConBuff->Add("");
Console->Invalidate();
}
//---------------------------------------------------------------------------
void __fastcall TConsole::BtnHexClick(TObject *Sender)
{
if (ConBuff->Strings[ConBuff->Count-1]!="") ConBuff->Add("");
Console->Invalidate();
}
//---------------------------------------------------------------------------
void __fastcall TConsole::BtnClearClick(TObject *Sender)
{
ConBuff->Clear();
ConBuff->Add("");
Console->Invalidate();
}
//---------------------------------------------------------------------------
void __fastcall TConsole::BtnStopClick(TObject *Sender)
{
Stop=!Stop;
BtnStop->Down=Stop;
}
//---------------------------------------------------------------------------
void __fastcall TConsole::BtnDownClick(TObject *Sender)
{
ScrollPos=0;
Console->Invalidate();
}
//---------------------------------------------------------------------------
void __fastcall TConsole::AddMsg(unsigned char *msg, int n)
{
char buff[MAXLEN+16],*p=buff,c;
int mode=BtnAsc->Down;
if (n<=0||Stop) return;
p+=sprintf(p,"%s",ConBuff->Strings[ConBuff->Count-1].c_str());
for (int i=0;i<n;i++) {
if (mode) {
if (msg[i]=='\r') continue;
p+=sprintf(p,"%c",msg[i]=='\n'||isprint(msg[i])?msg[i]:'.');
}
else {
p+=sprintf(p,"%s%02X",(p-buff)%17==16?" ":"",msg[i]);
if (p-buff>=67) p+=sprintf(p,"\n");
}
if (p-buff>=MAXLEN) p+=sprintf(p,"\n");
if (*(p-1)=='\n') {
ConBuff->Strings[ConBuff->Count-1]=buff;
ConBuff->Add("");
*(p=buff)=0;
if (ConBuff->Count>=MAXLINE) ConBuff->Delete(0);
}
}
ConBuff->Strings[ConBuff->Count-1]=buff;
Console->Invalidate();
}
//---------------------------------------------------------------------------
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