180 lines
3.5 KiB
C
180 lines
3.5 KiB
C
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/****************************************************************************
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ABOUT MICROSOFT DIALOG DLL
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by RobD
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****************************************************************************/
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#define _WINDOWS
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#include <windows.h>
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#include <port1632.h>
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#include <basetsd.h>
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#include "res.h"
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/* Local Variables */
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BOOL fEGA; /* TRUE if working with EGA */
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BOOL fColor; /* TRUE if working with a color display */
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INT cUsers = 0; /* Count of users of the bitmap */
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HANDLE hInstDll;
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HDC hdcMSFT;
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HBITMAP hbmpMSFT;
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HICON hiconApp;
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LPSTR lpstrApp;
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LPSTR lpstrCredit;
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#define cchMax 80
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#define cchMaxTitle 73
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CHAR szAbout[cchMax] = "About ";
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LPSTR lpszTitle = &szAbout[6];
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VOID APIENTRY AboutWEP(HWND, HICON, LPSTR, LPSTR);
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/****** L I B M A I N ******/
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/* Called once to initialize data */
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/* Determines if display is color and remembers the hInstance for the DLL */
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INT APIENTRY LibMain(HANDLE hInst, ULONG ul_reason_being_called, LPVOID lpReserved)
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{
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if (fEGA = GetSystemMetrics(SM_CYSCREEN) < 351)
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fColor = FALSE;
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else
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{
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HDC hDC = GetDC(GetDesktopWindow());
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fColor = (GetDeviceCaps(hDC, NUMCOLORS) != 2);
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ReleaseDC(GetDesktopWindow(),hDC);
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}
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hInstDll = hInst;
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return 1;
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UNREFERENCED_PARAMETER(ul_reason_being_called);
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UNREFERENCED_PARAMETER(lpReserved);
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}
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/****** W E P ******/
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/* Called upon exit/last use */
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VOID APIENTRY WEP(INT nParm)
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{
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return;
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(nParm);
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}
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/*** A B O U T D L G P R O C ***/
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/* Main Dialog Procedure */
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INT_PTR APIENTRY AboutDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
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{
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switch (message)
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{
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case WM_INITDIALOG:
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{
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RECT rect;
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SetWindowText(hDlg, (LPSTR) szAbout);
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if (hiconApp != NULL)
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SendDlgItemMessage(hDlg, ID_ICON_APP, STM_SETICON, (LONG_PTR)hiconApp, 0);
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if (lpstrApp != NULL)
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SetDlgItemText(hDlg, ID_NAME_APP, lpstrApp);
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if (lpstrCredit != NULL)
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SetDlgItemText(hDlg, ID_NAME_CREDIT, lpstrCredit);
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CreateWindow("button", "",
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WS_CHILD | WS_VISIBLE | BS_OWNERDRAW,
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10, 10, dxpMSFT, dypMSFT, hDlg, (HMENU)ID_USER_MSFT, hInstDll, NULL);
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GetWindowRect(hDlg,&rect);
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SetWindowPos(hDlg,NULL,
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(GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) >> 1,
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(GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 3,
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0, 0, SWP_NOSIZE | SWP_NOACTIVATE);
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return (TRUE);
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}
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case WM_COMMAND:
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switch(GET_WM_COMMAND_ID(wParam, lParam))
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{
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case IDOK:
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case IDCANCEL:
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{
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EndDialog(hDlg, TRUE);
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return (TRUE);
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}
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default:
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break;
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}
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break;
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case WM_DRAWITEM:
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{
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#define lpDI ((LPDRAWITEMSTRUCT) lParam)
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if ((lpDI->CtlID == ID_USER_MSFT) && (hdcMSFT != NULL))
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BitBlt(lpDI->hDC, 0, 0, dxpMSFT, dypMSFT, hdcMSFT, 0, 0, SRCCOPY);
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#undef lpDI
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}
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break;
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default:
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break;
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}
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return (FALSE);
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}
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/****** A B O U T W E P ******/
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VOID APIENTRY AboutWEP(HWND hwnd, HICON hicon, LPSTR lpTitle, LPSTR lpCredit)
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{
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hiconApp = hicon;
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lpstrApp = lpTitle;
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lpstrCredit = lpCredit;
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GetWindowText(hwnd, lpszTitle, cchMaxTitle);
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if (cUsers++ == 0)
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{
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hdcMSFT = CreateCompatibleDC(NULL);
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hbmpMSFT = LoadBitmap(hInstDll,
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fColor ? MAKEINTRESOURCE(ID_BMP_CLR) : MAKEINTRESOURCE(ID_BMP_BAW) );
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if ((hdcMSFT != NULL) && (hbmpMSFT != NULL))
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SelectObject(hdcMSFT, hbmpMSFT);
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}
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DialogBox(hInstDll,
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fEGA ? MAKEINTRESOURCE(ID_DLG_ABOUT_EGA) : MAKEINTRESOURCE(ID_DLG_ABOUT),
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hwnd, AboutDlgProc);
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if ((--cUsers == 0) && (hdcMSFT != NULL))
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{
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DeleteDC(hdcMSFT);
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DeleteObject(hbmpMSFT);
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}
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}
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