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#include "WindowClient.h"
#include <iostream>
 
using namespace std;
 
bool WindowClient::CreateWindowClient(HWND WinPar,int visible)
{
	hInstance =(HINSTANCE) GetWindowLong(WinPar,GWL_HINSTANCE);
 
	WNDCLASSEX wmclCClient;
	wmclCClient.cbSize = sizeof(WNDCLASSEX);
	wmclCClient.style = 0;
	wmclCClient.lpfnWndProc=WindowClientProc;
	wmclCClient.cbClsExtra = 0;
	wmclCClient.cbWndExtra = 0;
	wmclCClient.hInstance= hInstance;
	wmclCClient.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(WCICON) );
	wmclCClient.hCursor = NULL;
	wmclCClient.hbrBackground = GetSysColorBrush(15) ;
	wmclCClient.lpszMenuName = MAKEINTRESOURCE(WCMENU);
	wmclCClient.lpszClassName = "WindowClientClass";
	wmclCClient.hIconSm = NULL;
	if(!RegisterClassEx(&wmclCClient))
		return 0;
 
	hdWindow = CreateWindowEx(0,
				"WindowClientClass",
				"Client",
				WS_OVERLAPPEDWINDOW,
				GetSystemMetrics(SM_CXSCREEN)/4,
				GetSystemMetrics(SM_CYSCREEN)/4,
				GetSystemMetrics(SM_CXSCREEN)/2,
				GetSystemMetrics(SM_CYSCREEN)/2,
				WinPar,
				NULL,
				hInstance, 
				NULL);
	if(hdWindow==NULL)
		return 0;
	ShowWindow(hdWindow, visible);
	return 1;
}
 
WNDPROC OrigEditSendProc;
LRESULT CALLBACK EditSendProc (HWND , UINT , WPARAM , LPARAM );
 
LRESULT CALLBACK WindowClient::WindowClientProc(HWND hClient, UINT msgClient, WPARAM wParam, LPARAM lParam)
{
	switch(msgClient)
	{
		case WM_CREATE :
		{
			NOTIFYICONDATA nid;
			RECT rcClient;
			GetClientRect (hClient, &rcClient);
			hdEditRecv = CreateWindowEx(0,
				"EDIT",
				"",
				WS_VISIBLE|WS_CHILD|ES_MULTILINE|WS_VSCROLL,
				rcClient.left+10,
				rcClient.top+10,
				rcClient.right-20,
				rcClient.bottom-110,
				hClient,
				NULL,
				hInstance,
				NULL);
			if(hdEditRecv==NULL)
				return 0;
			hdEditSend = CreateWindowEx(0,
				"EDIT",
				"",
				WS_VISIBLE|WS_CHILD|ES_MULTILINE|WS_VSCROLL,
				rcClient.left+10,
				rcClient.bottom-60,
				rcClient.right-80,
				50,
				hClient,
				NULL,
				hInstance,
				NULL);
			if(hdEditSend==NULL)
				return 0;
			OrigEditSendProc = (WNDPROC)SetWindowLong(hdEditSend,GWL_WNDPROC, (LONG)EditSendProc);
			hdButton = CreateWindowEx(0,
				"BUTTON",
				"OK",
				WS_VISIBLE|WS_CHILD,
				rcClient.right-60,
				rcClient.bottom-60,
				50,
				50,
				hClient,
				NULL,
				hInstance,
				NULL);
			if(hdButton==NULL)
				return 0;
			EnableWindow(hdButton,false);
			break;
		}
		case WM_COMMAND :
			switch(HIWORD(wParam))
			{
				case BN_CLICKED :
				{	//(HWND)lParam HANDLE TO THE BUTTON
					char* buffer=new char[GetWindowTextLength(hdEditSend)+1];
					GetWindowText(hdEditSend,buffer,GetWindowTextLength(hdEditSend)+1);
					SetWindowText(hdEditRecv,buffer);
					delete[] buffer;
					while(HIWORD(SendMessage(hdEditRecv,EM_SCROLL,SB_PAGEDOWN,0)));
				}
					break;
				case EN_CHANGE :
					if (hdEditSend==(HWND)lParam)
						if (GetWindowTextLength(hdEditSend)>0)
							EnableWindow(hdButton,true);
						else
							EnableWindow(hdButton,false);
					break;
			}
		case WM_CHAR :
			if(wParam == 27)
				SendMessage(hClient,WM_CLOSE,0,0);
			break;
		case WM_SIZE :
		{
			RECT rcClient;
			GetClientRect (hClient, &rcClient);
			MoveWindow(hdEditRecv,rcClient.left+10,
								rcClient.top+10,
								rcClient.right-rcClient.left-20,
								rcClient.bottom-rcClient.top-110,true);
			MoveWindow(hdEditSend,rcClient.left+10,
								rcClient.bottom-60,
								rcClient.right-rcClient.left-80,
								50,true);
			MoveWindow(hdButton,rcClient.right-60,
								rcClient.bottom-60,
								50,
								50,true);
			break;
		}
		case WM_CLOSE :
			break;
		case WM_DESTROY :
			break;
		default: // Messages non gérés
			return DefWindowProc(hClient, msgClient, wParam, lParam);
	}
}
 
LRESULT CALLBACK EditSendProc(HWND hEdit, UINT msgEdit, WPARAM wParam, LPARAM lParam)
{
	if (msgEdit == WM_CHAR)
	{
		cout<<wParam<<endl;
	}
	return CallWindowProc(OrigEditSendProc, hEdit, msgEdit, wParam, lParam);
} | 
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