ps2 adapter interface - C / C++ / MFC Discussion Boards

Re: Socket question: How to send different datatypes in a byte array ?

CPallini20-Dec-06 11:11

CPallini

20-Dec-06 11:11

copying an integer value inside a byte array (an array of unsigned char, I suppose) is simple, for instance:

int i=5;
unsigned char buff[0x100];
memcpy((void*)buff, (void *)&i, sizeof(i));

but you must be aware that INTEL processors have little-endian byte order, while TCP/IP network has big-endian one.

Smile | :)

If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.

Re: Socket question: How to send different datatypes in a byte array ?

FreeCastle21-Dec-06 2:48

FreeCastle

21-Dec-06 2:48

Hi,
thanks that helped me. I already thought that it's something like memcpy. But there's my next question. How can I get then from this byte array the original values back ?
Btw when I send data with TCP/IP, do I have to send it was unicode (TCHAR) or normal (unsigned char) ?

Re: Socket question: How to send different datatypes in a byte array ?

CPallini21-Dec-06 3:51

CPallini

21-Dec-06 3:51

FreeCastle wrote:
I get then from this byte array the original values back

if you, at the opposite side of the TCP line, don't know what is the nature of the data contained inside the byte array then you are lost. So maybe you have to preceede each chunk of data with, say, a marker section (maybe few bytes) that state:

(1) the type of the following items
(2) the lenght of the following items

Hey, you're establishing a protocol! Smile | :)

FreeCastle wrote:
Btw when I send data with TCP/IP, do I have to send it was unicode (TCHAR) or normal (unsigned char) ?

When you are sending bulk data maybe BYTES (hence unsigned char) are more appropriate.

Smile | :)

hope that helps.

If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.

Re: Socket question: How to send different datatypes in a byte array ?

FreeCastle22-Dec-06 9:42

FreeCastle

22-Dec-06 9:42

Hey thanks a lot again. And you're right, I am writing in fact a little protocol Smile | :)

Problem displaying characters above the normal ASCII Range

TheDelChop20-Dec-06 9:57

TheDelChop

20-Dec-06 9:57

Hello,

I am working with an on-screen keyboard that was designed from scratch using the Win32 API, and it designed to be used with 4 or 5 languages. The keyboard works absolutely perfectly except when attempting to display some of the special characters for the other forgein languages(characters above 0x7F on the ASCII table). When I attempt to print these characters using the WM_CHAR message, the following character ÿ always appears before it.

For example:

If I were to press the "A" key, the edit box above the keyboard display "A". However, if I press the "Ö" button on the onscreen keyboard, the edit box about the keyboard displays "ÿÖ". I am totally stumped and was hoping anyone could provide any insight into why this is happening.

Thanks in advance,

Joe

Re: Problem displaying characters above the normal ASCII Range

PJ Arends20-Dec-06 10:42

PJ Arends

20-Dec-06 10:42

Post some relevant code, both where you send the WM_CHAR message and where you are recieving it. Are you doing UNICODE builds?

ÿ is ascii 0xff, that should tell you something, but without seeing the code I can not tell you what.

You may be right
I may be crazy
-- Billy Joel --

Within you lies the power for good, use it!!!

Re: Problem displaying characters above the normal ASCII Range

TheDelChop20-Dec-06 10:54

TheDelChop

20-Dec-06 10:54

I will try to post some code tomorrow, however, the keyboard procedure is pretty large, so I will try to post some relevent pieces.

ps2 adapter interface

ahmad al-omar20-Dec-06 7:37

ahmad al-omar

20-Dec-06 7:37

can you help me to find the ps2(6 pin) port interfacing by visual c++
please help me
than you

ahmad al-omar

CListCtrl - FindItem - finding sub-items

Like2Byte20-Dec-06 6:56

Like2Byte

20-Dec-06 6:56

Hi,

I've a list control I need to add some functionality to. Currently, this list stores two fields - a string field and a long.

Whenever the original programmers went searching for a single item in the list, to update that list, they searched for the string - the 0th element column - whereby FindItem returns the index val (row) of the item.

I need add a column when the app is init'd. Fine, ok. I have now a string, a long and another long(my new column).

I need to be able to search for that new column such that column 0 and column 2 return as a unique indexed item.

Base Question: How do I search for a sub-item in a CListCtrl?

Thanks, in advance.
C

Re: CListCtrl - FindItem - finding sub-items

James R. Twine20-Dec-06 7:28

James R. Twine

20-Dec-06 7:28

I think you may have to iterate over the subitems and try to match/search them yourself. I do not know of a built-in way to search by sub-item.

Peace!

-=- James

If you think it costs a lot to do it right, just wait until you find out how much it costs to do it wrong!
Avoid driving a vehicle taller than you and remember that Professional Driver on Closed Course does not mean your Dumb Ass on a Public Road!
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Program is all hosed up...need OOP/MFC help

CoffeeAddict1920-Dec-06 6:42

CoffeeAddict19

20-Dec-06 6:42

I'd really appreciate it if someone could look at these header files and give me some idea how to fix them. Basically what I have is a tic-tac-toe program in MFC. I have a main window, which is class CGameWin (inherits from CFrameWnd) and a dialog box class called CGameKeyBindingDialog (inherits from CDialog). Previously I did almost everything in CGameWin, and everything worked out fine. Then CGameWin got bloated with functions that were related to game mechanics rather than graphics or window handling, so I decided to create the class GameOperations. It does everything for the game not related to graphics or window handling. That's when everything got hosed up. Here are the class related errors I'm getting:

e:\Homework\CS\CS2\Game\game_interface.h(14): error C2011: 'CGameKeyBindingDialog' : 'class' type redefinition
e:\Homework\CS\CS2\Game\game_interface.h(29): error C2011: 'CGameWin' : 'class' type redefinition
e:\Homework\Cs\Cs2\Game\game_operations.cpp(50): error C2065: 'CGameWinPtr' : undeclared identifier
e:\Homework\Cs\Cs2\Game\game_interface.cpp(16): error C2065: 'Operations' : undeclared identifier
e:\Homework\Cs\Cs2\Game\game_interface.cpp(352): error C2086: 'const AFX_MSGMAP messageMap 1' : redefinition
e:\Homework\Cs\Cs2\Game\game_interface.cpp(382): error C2086: 'const AFX_MSGMAP CGameKeyBindingDialog::messageMap' : redefinition
e:\Homework\Cs\Cs2\Game\game_interface.cpp(352): error C2086: 'const AFX_MSGMAP_ENTRY _messageEntries 0[]' : redefinition
e:\Homework\Cs\Cs2\Game\game_interface.cpp(382): error C2086: 'const AFX_MSGMAP_ENTRY CGameKeyBindingDialog::_messageEntries[]' : redefinition

game_interface.h:

#ifndef GAME_INTERFACE_H
#define GAME_INTEFRACE_H

#include <afxwin.h>
#include "game_operations.h"
#include <defenitions.h>

using namespace std;

class CGameWin;

class CGameKeyBindingDialog : public CDialog
{
public:
CGameKeyBindingDialog(char* lpszName);
BOOL OnInitDialog();
CGameWin* getMainWnd();
void setMainWnd(CGameWin* mp);
void InitAll();
afx_msg void OnExitDialog();
private:
CGameWin* m_pMainWnd; //pointer to main window

DECLARE_MESSAGE_MAP()
};

class CGameWin : public CFrameWnd
{
public:
CGameWin();
~CGameWin();
void PopMessageBox(LPCSTR Message, LPCSTR Title, UINT Style);
afx_msg void OnPaint();
//input handling
afx_msg void OnMouseMove(UINT nFlags, CPoint point);
afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
//file menu "File"
afx_msg void OnNewGame();
afx_msg void OnExit();
//graphics
void RedrawScreen(CDC* Surface, int MouseOverPosition, bool MouseOver);
void DrawXOs();
void DrawMouseOvers(int Position, MouseOverType MouseOver);
void DrawBitmaps();
void RefreshOffSet();
//game stuff
int ConfirmExit();
PlayerType GetPlayerSide();

private:
//classes
CGameKeyBindingDialog CGameKeyBindingDialog;
GameOperations Operations;
//graphics
CDC grid_DC; //grid memory device context
CDC xo_DC; //xos memory device context
CDC buffer_DC; //buffer device context
CBitmap CBitGrid;
CBitmap CBitXO;
CBitmap CBitBackBuffer;
int OffSetX;
int OffSetY;
void DrawMonoLine(CDC* Surface, int srcX, int srcY, int destX, int destY);
void DrawCircle(CDC* Surface, int srcX, int srcY, int Diameter);
void DrawSquare(CDC* Surface, int srcX, int srcY, int Side);
//brushes and pens
void InitBrushPen();
void DeleteBrushPen();
CPen BlackPen;
CPen XGreenPen;
CPen OBluePen;
CPen RedErrorPen;
CPen DashBoxGreenPen;
CPen DashBoxBluePen;

DECLARE_MESSAGE_MAP()
};

#endif

game_interface.cpp, CGameWin constructor:

CGameWin::CGameWin() : CGameKeyBindingDialog("CKeyboardDialog") : GameOperations("Operations")
{
Create(NULL, "Tic-Tac-Toe", WS_OVERLAPPEDWINDOW,
rectDefault, NULL, "Game");
CGameKeyBindingDialog.setMainWnd(this);
Operations.SetPtrToMainWindow(this);
OffSetX, OffSetY = 0;
InitGrid();
CBitGrid.CreateBitmap(150, 150, 1, 32, NULL);
grid_DC.CreateCompatibleDC(NULL);
grid_DC.SelectObject(CBitGrid);
buffer_DC.CreateCompatibleDC(&grid_DC);
xo_DC.CreateCompatibleDC(&grid_DC);
CBitXO.CreateCompatibleBitmap(&grid_DC, 150, 100);
CBitBackBuffer.CreateCompatibleBitmap(&grid_DC, 400, 400);
InitBrushPen();
DrawBitmaps();
Operations.SetPlayerSide(GetPlayerSide());
}

game_operations.h:

#ifndef GAME_OPERATIONS_H
#define GAME_OPERATIONS_H

#include <defenitions.h>
#include "game_interface.h"

using namespace std;

class GameOperations
{
public:
GameOperations();
~GameOperations();
void InitGrid();
bool ConfirmLegalMove(GridStateType NewState, int GridX, int GridY);
void PlaceXorO(CPoint MousePosition, PlayerType CurrentSide);
void SetPlayerSide(PlayerType NewSide);
PlayerType ReturnPlayerSide();
void SetPtrToMainWindow(CGameWin* NewPtr);
protected:
GridSquareType Grid[3][3];
private:
CGameWin* PtrToMainWindow;
PlayerType PlayerSide;
};

#endif

I know I'm asking a lot, but I'd really appreciate any help.

Re: Program is all hosed up...need OOP/MFC help

C^hris L^osinger20-Dec-06 7:47

C^hris L^osinger

20-Dec-06 7:47

game_interface.h #includes game_operations.h

and

game_operations.h #includes game_interface.h

looks like you need to remove that circular dependency: either move declarations around or use forward declarations (like you do with "class CGameWin;"), to get rid of the need to do that circular include.

image processing toolkits | batch image processing | blogging

Re: Program is all hosed up...need OOP/MFC help

Mark Salsbery20-Dec-06 7:51

Mark Salsbery

20-Dec-06 7:51

Try this (I'll just post the related changes in the header files)...

#ifndef GAME_INTERFACE_H
#define GAME_INTEFRACE_H
 
#include <afxwin.h>
#include "game_operations.h"
#include <defenitions.h>
 
using namespace std;
 
 
class CGameKeyBindingDialog : public CDialog
{

#ifndef GAME_OPERATIONS_H
#define GAME_OPERATIONS_H
 
#include <defenitions.h>
 
class CGameWin;
 
using namespace std;
 
class GameOperations
{

In game_operations.cpp, include in this order

#include "game_operations.h"
#include "game_interface.h"

Re: Program is all hosed up...need OOP/MFC help

CoffeeAddict1920-Dec-06 9:24

CoffeeAddict19

20-Dec-06 9:24

Thank you. Smile | :)

Got it working now. Just got to finish the AI and put in some eye candy and it should be ready. Smile | :)

Problem with D3DFont Aliasing [modified]

Dustin Henry20-Dec-06 6:37

Dustin Henry

20-Dec-06 6:37

I am having a problem getting my D3DFonts to display antialiased. No matter what font I try to use, although some are better than others, it comes out all jagged around the edged like is is not being antialiased properly or at all.

Font creation code:

if (FAILED(D3DXCreateFont(m_pDirect3D->GetDevice(),	//D3D Device
			iSize,				//Font height
			0,				//Font width
			iWeight,			//Font Weight
			0,				//MipLevels
			bItalic,			//Italic
			DEFAULT_CHARSET,		//CharSet
			OUT_DEFAULT_PRECIS,		//OutputPrecision
			ANTIALIASED_QUALITY,	        //Quality
			DEFAULT_PITCH|FF_DONTCARE,      //PitchAndFamily
			stFace,				//pFacename,
			&font.m_d3dFont)))		//ppFont)
{
	return -1;
}

Font Display Code:

m_pDirect3D->GetFontSprite()->Begin(D3DXSPRITE_ALPHABLEND);
m_vFonts[state.m_nFont].m_d3dFont->DrawText(m_pDirect3D->GetFontSprite(), 
state.m_stText, 
-1, 
&rPos, 
state.m_dwTextJustify | DT_WORDBREAK, 
D3DCOLOR_RGBA(red,green,blue,iOpacity));
m_pDirect3D->GetFontSprite()->End();

I have tried drawing both with a Direct3D sprite and by setting the first parameter to NULL.

Any help is always appreciated.

Thanks,
Dustin

P.S. Here is a link to what it looks like : http://img238.imageshack.us/img238/4011/fontsamplecl4.jpg[^]
-- modified at 12:54 Wednesday 20th December, 2006

Shell Programming

Fwzklmn20-Dec-06 5:37

Fwzklmn

20-Dec-06 5:37

Dear all,
I make a windows explorer like application using MFC.
If the folder content was changed by other application.
How to make my application know when to refresh its folder view ?

Thank's

Re: Shell Programming

Robert Kuster20-Dec-06 5:46

Robert Kuster

20-Dec-06 5:46

Hi.

you might check the MSDN documentation for ReadDirectoryChangesW and co. APIs.
There are also some nice articles on CodeProject discussing this:
- CDirectoryChangeWatcher [^]
- Spying a file system[^]

Kind Regards,
Robert Kuster
_________________
www.it.rkuster.com

Re: Shell Programming

James R. Twine20-Dec-06 6:25

James R. Twine

20-Dec-06 6:25

If your application is going to be manipulating directories as well (creating, deleting, renaming items), be sure to use the SHChangeNotify(...) function to notify the shell, if necessary.

Peace!

-=- James

MFC CEdit scrollbar question

FredrickNorge20-Dec-06 4:57

FredrickNorge

20-Dec-06 4:57

I constantly add more data into a CEdit, i also activated the scroll bar for this window.

When the text exceeds the CEdit text area limit, the scroll bar is activated so i can scroll the text up and down which is good.

Though instead of that i have to scroll downwards to see the new text added, is there a CEdit function which tells the scroll bar to always stay at max, or point downwards? So i have to scroll upwards instead to see the old text.

Thanks

Re: MFC CEdit scrollbar question

Robert Kuster20-Dec-06 5:37

Robert Kuster

20-Dec-06 5:37

Hi Fredrick,

I think there is no direct way. Though you could call something like this

CEdit myEdit;
CString csContent = _T("");
myEdit.GetWindowText( csContent );
myEdit.SetSel( csContent.GetLength(),
               csContent.GetLength(), 
               TRUE /* scroll to the selected text */ );

.. every time you add new text to your edit control.

Kind Regards,
Robert Kuster
_________________
www.it.rkuster.com

Re: MFC CEdit scrollbar question

FredrickNorge20-Dec-06 5:57

FredrickNorge

20-Dec-06 5:57

Hi Robert

How do i focus it to the correct idc? i get an assert:

{ ASSERT(::IsWindow(m_hWnd)); ::SendMessage(m_hWnd, EM_SETSEL, nStartChar, nEndChar);
if (!bNoScroll)

this is the code i have:

void CAutoUpdaterDlg::OnUpdateScreen()
{
char LocalBuffer[10];
itter++;

sprintf(LocalBuffer, "%d", itter);

CEdit * p = static_cast<cedit *="">(GetDlgItem(IDC_Window));
// static message for now
if(!FilesInProgress)
{
strcat(WindowBuffer, LocalBuffer);
strcat(WindowBuffer, ": ");
}
else
strcat(WindowBuffer, "");

strcat(WindowBuffer, DynamicBuffer);
int Size = strlen(WindowBuffer);

p->SetMargins(5,5);
p->SetWindowText(Convert_A_To_DA(WindowBuffer));

CProgressCtrl * progress = static_cast<cprogressctrl *="">(GetDlgItem(IDC_PROGRESS));

progress->SetRange(0,MaxRange);Progress++;
progress->SetPos(Progress);

int MemSize = strlen(DynamicBuffer);
for(int i = 0; i<= MemSize+1; i++)
{
DynamicBuffer[i] = 0x00;
}
CEdit myEdit;
CString csContent = _T(Convert_A_To_DA(WindowBuffer));
myEdit.GetWindowText( csContent );
myEdit.SetSel( csContent.GetLength(),
csContent.GetLength(),
TRUE /* scroll to the selected text */ );

UpdateWindow(); FilesInProgress = false;
}

To show an image from one directory

mikobi20-Dec-06 4:52

mikobi

20-Dec-06 4:52

Dear Sirs,
I am using CBitmapPicture Class implement by Chris Maunder.
After inserting bitmap image in the project as ressource and
after creating a m_picture variable, I want to load picture not using ID Ressource but using is name.

for instance, Bitmap picture is in directory c:\gestion, in name is miki.bmp.
i write m_picture.SetBitmap("c:\\gestion\\miki.bmp");

This cannot work, but if I use ID ressource it works.

what to write ?

I learn my self

Re: To show an image from one directory

mikobi20-Dec-06 5:41

mikobi

20-Dec-06 5:41

It must work, the mistake is in the Class definition.

Replace LR_LOADMAP3DCOLORS by LR_LOADFROMFILE in BOOL CBitmapPicture::SetBitmap(LPCTSTR lpszResourceName)

Re: To show an image from one directory

Hamid_RT21-Dec-06 1:42

Hamid_RT

21-Dec-06 1:42

For show a image you also use of CImage class

WhiteSky

URI strings

viliam20-Dec-06 3:53

viliam

20-Dec-06 3:53

hi,
is there any function in SDK, MFC to convert string
into string usable as URL
(URI escaping mechanism)
I mean convarting & into %26 and so on
Something like implementation RFC 2396

like:

http://www.w3.org/People/Dürst/

http://www.w3.org/People/D%C3%BCrst/

Thank you for help

viliam

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