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#include "stdafx.h"
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#include "StaticGNUPlot.h"
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#pragma warning (disable:4996)
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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#define PARENTCLASS _T("wgnuplot_parent")
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#define TEXTCLASS _T("wgnuplot_text")
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#define GRAPHCLASS _T("wgnuplot_graph")
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CStaticGNUPlot::CStaticGNUPlot()
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{
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_hWndParent = NULL;
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_hWndText = NULL;
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_hWndGraph = NULL;
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}
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CStaticGNUPlot::~CStaticGNUPlot()
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{
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if(_hWndGraph) ::SendMessage(_hWndGraph, WM_CLOSE, 0, 0);
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if(_hWndText) ::SendMessage(_hWndText, WM_CLOSE, 0, 0);
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if(_hWndParent) ::SendMessage(_hWndParent, WM_CLOSE, 0, 0);
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}
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BEGIN_MESSAGE_MAP(CStaticGNUPlot, CStatic)
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ON_WM_PAINT()
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END_MESSAGE_MAP()
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BOOL CALLBACK cbGetTextWindow(HWND hWnd, LPARAM lParam)
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{
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CStaticGNUPlot *pThis = (CStaticGNUPlot *)lParam;
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HWND hWndFinded = FindWindowEx(hWnd, NULL, TEXTCLASS, NULL);
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if (hWnd && hWndFinded) {
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pThis->_hWndParent = hWnd;
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pThis->_hWndText = hWndFinded;
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}
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return TRUE;
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}
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BOOL CALLBACK cbGetGraphWindow(HWND hWnd, LPARAM lParam)
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{
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CStaticGNUPlot *pThis = (CStaticGNUPlot *)lParam;
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HWND hWndFinded = FindWindowEx(NULL, hWnd, GRAPHCLASS, NULL);
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if (hWndFinded) {
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pThis->_hWndGraph = hWndFinded;
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}
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return TRUE;
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}
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void CStaticGNUPlot::init (const char *gnuplotName)
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{
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if(_hWndGraph) ::SendMessage(_hWndGraph, WM_CLOSE, 0, 0);
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if(_hWndText) ::SendMessage(_hWndText, WM_CLOSE, 0, 0);
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if(_hWndParent) ::SendMessage(_hWndParent, WM_CLOSE, 0, 0);
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_hWndParent = NULL;
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_hWndText = NULL;
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_hWndGraph = NULL;
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STARTUPINFO si = {0, };
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si.cb = sizeof(si);
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si.wShowWindow = SW_SHOWMINIMIZED;
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si.dwFlags = STARTF_USESHOWWINDOW;
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PROCESS_INFORMATION pi = {0, };
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BOOL bSuccess = CreateProcess(NULL, (char *)gnuplotName, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
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if (!bSuccess) return;
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// Text Window°¡ »ý¼ºµÉ ¶§±îÁö ±â´Ù¸°´Ù.
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for (int i=0; i<100 && !_hWndText; ++i) {
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EnumThreadWindows(pi.dwThreadId, cbGetTextWindow, (LPARAM)this);
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Sleep (10);
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}
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// ºñ¾îÀÖ´Â Graph window »ý¼º
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cmd("clear");
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// Graph Window°¡ »ý¼ºµÉ ¶§±îÁö ±â´Ù¸°´Ù.
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for (int i=0; i<100 && !_hWndGraph; ++i) {
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EnumThreadWindows(pi.dwThreadId, cbGetGraphWindow, (LPARAM)this);
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Sleep (10);
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}
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CloseHandle(pi.hProcess);
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CloseHandle(pi.hThread);
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if (_hWndParent) {
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//Parent Window¸¦ ¼û±ä´Ù.
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::ShowWindow (_hWndParent, SW_HIDE);
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}
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if (_hWndGraph) {
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//Graph Window°¡ Embedding µÇµµ·Ï ½ºÅ¸ÀÏÀ» º¯°æÇÏ°í Å©±â Á¶Á¤
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::SetParent(_hWndGraph, this->m_hWnd);
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long lStyle = ::GetWindowLong(_hWndGraph, GWL_STYLE);
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lStyle &= ~(WS_BORDER | WS_CAPTION | WS_SIZEBOX );
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::SetWindowLong(_hWndGraph, GWL_STYLE, lStyle);
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RECT rc;
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GetClientRect(&rc);
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::MoveWindow(_hWndGraph, rc.left, rc.top, rc.right, rc.bottom, TRUE);
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::InvalidateRect (_hWndGraph, NULL, TRUE);
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}
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}
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void CStaticGNUPlot::cmd(const char *format, ...)
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{
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va_list ap;
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char cmd[1024];
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va_start(ap, format);
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vsprintf(cmd, format, ap);
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va_end(ap);
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if (_hWndText) {
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for (char *p = cmd; *p; ++p){
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::PostMessage( _hWndText, WM_CHAR, *p, 1);
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}
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::PostMessage( _hWndText, WM_CHAR, '\n', 1);
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}
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}
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void CStaticGNUPlot::OnPaint()
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{
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CPaintDC dc(this); // device context for painting
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// TODO: Add your message handler code here
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// Do not call CStatic::OnPaint() for painting messages
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if (_hWndGraph) {
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::InvalidateRect (_hWndGraph, NULL, TRUE);
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}
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}
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