// (c) 1999 Eric Williams. Rights as specified under the WINE // License. Don't hoard code; share it! // // One might call this a Commdlg test jig. Its sole function in life // is to call the Commdlg Common Dialogs; at present it doesn't even // do anything horribly interesting with the results. // Ideally it would also do event logging and be a bit less stupid // about displaying the results of the various requesters. But hey, // it's only a first step. :-) #include #include #include #include "cmdlgr.h" // This structure is to set up flag / control associations for the custom // requesters. The ft_id is the id for the control (usually generated // by the system) and the ft_bit is the flag bit which goes into the // settings longword for the various Commdlg structures. It is assumed // that all flags fit in an unsigned long and that all bits are in fact // one bit. // The array of entries is terminated by {IDOK, 0}; the assumption is that // IDOK would never be associated with a dialogbox control (since it's // usually the ID of the OK button}. struct FlagTableEntry { int ft_id; unsigned long ft_bit; }; // #ifdef __WINE_WINDOWS_H // #define EXPORT // #define HWND HWND32 // int ctx_debug = 0; // #else // #define EXPORT _export // #endif //#define FAR #define EXPORT static char menuName[] = "TestCommdlgMenu"; static char className[] = "TestCommdlg"; static char windowName[] = "TestCommdlg Window"; // global hInstance variable. This makes the code non-threadable, // but wotthehell; this is Win32 anyway! (Though it does work // under Win16, if one doesn't run more than one copy at a time.) static HINSTANCE g_hInstance; // global CommDlg data structures for modals. These are placed here // so that the custom dialog boxes can get at them. static PRINTDLG pd; static COLORREF cc_cr[16]; static CHOOSECOLOR cc; static LOGFONT cf_lf; static CHOOSEFONT cf; static char ofn_filepat[] = "All Files (*.*)\0*.*\0Only Text Files (*.txt)\0*.txt\0"; static char ofn_result[1024]; static OPENFILENAME ofn; // Stuff for find and replace. These are modeless, so I have to put them here. static HWND findDialogBox = 0; static UINT findMessageId = 0; static int findDialogBoxInit = 0; static int findDialogStructInit = 0; static FINDREPLACE frS; static char fromstring[1024], tostring[1024]; // Utility routines. Currently there is only one, and it's a nasty // reminder that I'm not done yet. void nyi(HWND hWnd) { MessageBox(hWnd, "Not yet implemented!", "NYI", MB_ICONEXCLAMATION | MB_OK); } // Initial initialization code. This code simply shoves in predefined // data into the COMMDLG data structures; in the future, I might use // a series of loadable resources, or static initializers; of course, // if Microsoft decides to change the field ordering, I'd be screwed. void mwi_Print(HWND hWnd) { pd.lStructSize = sizeof(PRINTDLG); pd.hwndOwner = hWnd; pd.hDevMode = 0; pd.hDevNames = 0; pd.hDC = 0; pd.Flags = 0; pd.nMinPage = 1; pd.nMaxPage = 100; pd.hInstance = 0; pd.lCustData = 0; pd.lpfnPrintHook = 0; pd.lpfnSetupHook = 0; pd.lpPrintTemplateName = 0; pd.lpSetupTemplateName = 0; pd.hPrintTemplate = 0; pd.hSetupTemplate = 0; } void mwi_Color(HWND hWnd) { int i; // there's probably an init call for this, somewhere. for(i=0;i<16;i++) cc_cr[i] = RGB(0,0,0); cc.lStructSize = sizeof(CHOOSECOLOR); cc.hwndOwner = hWnd; cc.hInstance = 0; cc.rgbResult = RGB(0,0,0); cc.lpCustColors = cc_cr; cc.Flags = 0; cc.lCustData = 0; cc.lpfnHook = 0; cc.lpTemplateName = 0; } void mwi_Font(HWND hWnd) { cf.lStructSize = sizeof(CHOOSEFONT); cf.hwndOwner = hWnd; cf.hDC = 0; cf.lpLogFont = &cf_lf; cf.Flags = 0; cf.rgbColors = RGB(0,0,0); // what is *this* doing here?? cf.lCustData = 0; cf.lpfnHook = 0; cf.lpTemplateName = 0; cf.hInstance = 0; cf.lpszStyle = 0; cf.nFontType = 0; cf.nSizeMin = 8; cf.nSizeMax = 72; } void mwi_File(HWND hWnd) { ofn.lStructSize = sizeof(OPENFILENAME); ofn.hwndOwner = hWnd; ofn.hInstance = 0; ofn.lpstrFilter = (LPSTR) ofn_filepat; ofn.lpstrCustomFilter = 0; ofn.nMaxCustFilter = 0; ofn.nFilterIndex = 0; ofn.lpstrFile = ofn_result; ofn.nMaxFile = sizeof(ofn_result); ofn.lpstrFileTitle = 0; ofn.nMaxFileTitle = 0; ofn.lpstrInitialDir = 0; ofn.lpstrTitle = "Open File"; ofn.Flags = 0; ofn.nFileOffset = 0; ofn.nFileExtension = 0; ofn.lpstrDefExt = "*"; ofn.lCustData = 0; ofn.lpfnHook = 0; ofn.lpTemplateName = 0; ofn_result[0] = '\0'; } void mwi_FindReplace(HWND hWnd) { frS.lStructSize = sizeof(FINDREPLACE); frS.hwndOwner = hWnd; frS.hInstance = 0; frS.Flags = FR_DOWN; frS.lpstrFindWhat = fromstring; frS.lpstrReplaceWith = tostring; frS.wFindWhatLen = sizeof(fromstring); frS.wReplaceWithLen = sizeof(tostring); frS.lCustData = 0; frS.lpfnHook = 0; frS.lpTemplateName = 0; fromstring[0] = '\0'; tostring[0] = '\0'; findMessageId = RegisterWindowMessage(FINDMSGSTRING); } void mwi_InitAll(HWND hWnd) { mwi_Print(hWnd); mwi_Font(hWnd); mwi_Color(hWnd); mwi_File(hWnd); mwi_FindReplace(hWnd); } // Various configurations for the window. Ideally, this // would be stored with the window itself, but then, this // isn't the brightest of apps. Wouldn't be hard to set up, // though -- one of the neater functions of Windows, but if // someone decides to load the windows themselves from resources, // there might be a problem. void paintMainWindow(HWND hWnd, UINT iMessage, WPARAM wParam, LPARAM lParam) { PAINTSTRUCT ps; RECT rect; // This is the Windows equivalent of one of my widgets, // which basically just draws a large 'X'. BeginPaint(hWnd, &ps); GetClientRect(hWnd, (LPRECT) &rect); MoveToEx(ps.hdc, rect.left, rect.top, (POINT FAR *) 0); LineTo(ps.hdc, rect.right, rect.bottom); MoveToEx(ps.hdc, rect.left, rect.bottom, (POINT FAR *) 0); LineTo(ps.hdc, rect.right, rect.top); EndPaint(hWnd, &ps); } // This function simply returns an error indication. Naturally, // I do not (yet) see an elegant method by which one can convert // the CDERR_xxx return values into something resembling usable text; // consult cderr.h to see what was returned. void mw_checkError(HWND hWnd) { DWORD errval = CommDlgExtendedError(); if(errval) { char errbuf[80]; sprintf(errbuf, "CommDlgExtendedError(): error code %ld (0x%lx)", errval, errval); MessageBox(hWnd, errbuf, "Error", MB_ICONEXCLAMATION | MB_OK); } else { MessageBox(hWnd, "Nope, user canceled it.", "No", MB_OK); } } // The actual dialog function calls. These merely wrap the Commdlg // calls, and do something (not so) intelligent with the result. // Ideally, the main window would refresh and take into account the // various values specified in the dialog. void mw_ColorSetup(HWND hWnd) { if(ChooseColor(&cc)) { MessageBox(hWnd, "Success.", "Yes", MB_OK); } else mw_checkError(hWnd); } void mw_FontSetup(HWND hWnd) { if(ChooseFont(&cf)) { MessageBox(hWnd, "Success.", "Yes", MB_OK); } else mw_checkError(hWnd); } void mw_FindSetup(HWND hWnd) { if(findDialogBox == 0) { findDialogBox = FindText(&frS); if(findDialogBox==0) mw_checkError(hWnd); } } void mw_ReplaceSetup(HWND hWnd) { if(findDialogBox == 0) { findDialogBox = ReplaceText(&frS); if(findDialogBox==0) mw_checkError(hWnd); } } void mw_OpenSetup(HWND hWnd) { if(GetOpenFileName(&ofn)) { MessageBox(hWnd, "Success.", "Yes", MB_OK); } else mw_checkError(hWnd); } void mw_SaveSetup(HWND hWnd) { if(GetSaveFileName(&ofn)) { MessageBox(hWnd, "Success.", "Yes", MB_OK); } else mw_checkError(hWnd); } // Can't find documentation in Borland for this one. Does it // exist at all, or is it merely a subdialog of Print? void mw_PSetupSetup(HWND hWnd) { nyi(hWnd); } void mw_PrintSetup(HWND hWnd) { if(PrintDlg(&pd)) { // the following are suggested in the Borland documentation, // but aren't that useful until WinE starts to actually // function with respect to printing. // Escape(tmp.hDC, STARTDOC, 8, "Test-Doc", NULL); /* Print text and rectangle */ // TextOut(tmp.hDC, 50, 50, "Common Dialog Test Page", 23); // Rectangle(tmp.hDC, 50, 90, 625, 105); // Escape(tmp.hDC, NEWFRAME, 0, NULL, NULL); // Escape(tmp.hDC, ENDDOC, 0, NULL, NULL); // DeleteDC(tmp.hDC); if (pd.hDevMode != NULL) GlobalFree(pd.hDevMode); if (pd.hDevNames != NULL) GlobalFree(pd.hDevNames); pd.hDevMode = 0; pd.hDevNames = 0; MessageBox(hWnd, "Success.", "Yes", MB_OK); } else mw_checkError(hWnd); } // Some support functions for the custom dialog box handlers. // In particular, we have to set things properly, and get the flags back. void mwcd_SetFlags(HWND hWnd, struct FlagTableEntry *table, unsigned long flags) { int i; for(i=0; table[i].ft_id != IDOK; i++) { CheckDlgButton(hWnd, table[i].ft_id,(table[i].ft_bit & flags) ? 1 : 0); } } unsigned long mwcd_GetFlags(HWND hWnd, struct FlagTableEntry * table) { int i; unsigned long l = 0; for(i=0; table[i].ft_id != IDOK; i++) { if(IsDlgButtonChecked(hWnd, table[i].ft_id) == 1) l |= table[i].ft_bit; } return l; } // These functions are the custom dialog box handlers. // The division of labor may be a tad peculiar; in particular, // the flag tables should probably be in the main functions, // not the handlers. I'll fix that later; this works as of right now. BOOL mwcd_Setup(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, struct FlagTableEntry * table, unsigned long * flags) { switch(uMsg) { case WM_INITDIALOG: // Set the controls properly. mwcd_SetFlags(hWnd, table, *flags); return TRUE; // I would return FALSE if I explicitly called SetFocus(). // As usual, Windows is weird. case WM_COMMAND: switch(wParam) { case IDOK: *flags = mwcd_GetFlags(hWnd, table); EndDialog(hWnd,1); break; case IDCANCEL: EndDialog(hWnd,0); break; case CM_R_HELP: break; // help? We don't need no steenkin help! default: break; // eat the message } return TRUE; default: return FALSE; // since I don't process this particular message } } BOOL CALLBACK mwcd_ColorSetup(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { static struct FlagTableEntry flagTable[] = { {I_CC_RGBINIT, CC_RGBINIT}, {I_CC_SHOWHELP, CC_SHOWHELP}, {I_CC_PREVENTFULLOPEN, CC_PREVENTFULLOPEN}, {I_CC_FULLOPEN, CC_FULLOPEN}, {I_CC_ENABLETEMPLATEHANDLE, CC_ENABLETEMPLATEHANDLE}, {I_CC_ENABLETEMPLATE, CC_ENABLETEMPLATE}, {I_CC_ENABLEHOOK, CC_ENABLEHOOK}, {IDOK, 0}, }; return mwcd_Setup(hWnd, uMsg, wParam, lParam, flagTable, &cc.Flags); } BOOL CALLBACK mwcd_FontSetup(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { static struct FlagTableEntry flagTable[] = { {I_CF_APPLY, CF_APPLY}, {I_CF_ANSIONLY, CF_ANSIONLY}, {I_CF_BOTH, CF_BOTH}, {I_CF_TTONLY, CF_TTONLY}, {I_CF_EFFECTS, CF_EFFECTS}, {I_CF_ENABLEHOOK, CF_ENABLEHOOK}, {I_CF_ENABLETEMPLATE, CF_ENABLETEMPLATE}, {I_CF_ENABLETEMPLATEHANDLE, CF_ENABLETEMPLATEHANDLE}, {I_CF_FIXEDPITCHONLY, CF_FIXEDPITCHONLY}, {I_CF_INITTOLOGFONTSTRUCT, CF_INITTOLOGFONTSTRUCT}, {I_CF_LIMITSIZE, CF_LIMITSIZE}, {I_CF_NOFACESEL, CF_NOFACESEL}, {I_CF_USESTYLE, CF_USESTYLE}, {I_CF_WYSIWYG, CF_WYSIWYG}, {I_CF_SHOWHELP, CF_SHOWHELP}, {I_CF_SCREENFONTS, CF_SCREENFONTS}, {I_CF_SCALABLEONLY, CF_SCALABLEONLY}, {I_CF_PRINTERFONTS, CF_PRINTERFONTS}, {I_CF_NOVECTORFONTS, CF_NOVECTORFONTS}, {I_CF_NOSTYLESEL, CF_NOSTYLESEL}, {I_CF_NOSIZESEL, CF_NOSIZESEL}, {I_CF_NOOEMFONTS, CF_NOOEMFONTS}, {IDOK, 0}, }; return mwcd_Setup(hWnd, uMsg, wParam, lParam, flagTable, &cf.Flags); } BOOL CALLBACK mwcd_FindSetup(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { static struct FlagTableEntry flagTable[] = { {I_FR_DIALOGTERM, FR_DIALOGTERM}, {I_FR_DOWN, FR_DOWN}, {I_FR_ENABLEHOOK, FR_ENABLEHOOK}, {I_FR_ENABLETEMPLATE, FR_ENABLETEMPLATE}, {I_FR_ENABLETEMPLATEHANDLE, FR_ENABLETEMPLATEHANDLE}, {I_FR_FINDNEXT, FR_FINDNEXT}, {I_FR_HIDEMATCHCASE, FR_HIDEMATCHCASE}, {I_FR_HIDEWHOLEWORD, FR_HIDEWHOLEWORD}, {I_FR_HIDEUPDOWN, FR_HIDEUPDOWN}, {I_FR_MATCHCASE, FR_MATCHCASE}, {I_FR_NOMATCHCASE, FR_NOMATCHCASE}, {I_FR_NOUPDOWN, FR_NOUPDOWN}, {I_FR_NOWHOLEWORD, FR_NOWHOLEWORD}, {I_FR_REPLACE, FR_REPLACE}, {I_FR_REPLACEALL, FR_REPLACEALL}, {I_FR_SHOWHELP, FR_SHOWHELP}, {I_FR_WHOLEWORD, FR_WHOLEWORD}, {IDOK, 0}, }; return mwcd_Setup(hWnd, uMsg, wParam, lParam, flagTable, &frS.Flags); } BOOL CALLBACK mwcd_PrintSetup(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { static struct FlagTableEntry flagTable[] = { {I_PD_ALLPAGES, PD_ALLPAGES}, {I_PD_COLLATE, PD_COLLATE}, {I_PD_DISABLEPRINTTOFILE, PD_DISABLEPRINTTOFILE}, {I_PD_ENABLEPRINTHOOK, PD_ENABLEPRINTHOOK}, {I_PD_ENABLEPRINTTEMPLATE, PD_ENABLEPRINTTEMPLATE}, {I_PD_ENABLEPRINTTEMPLATEHANDLE, PD_ENABLEPRINTTEMPLATEHANDLE}, {I_PD_ENABLESETUPHOOK, PD_ENABLESETUPHOOK}, {I_PD_ENABLESETUPTEMPLATE, PD_ENABLESETUPTEMPLATE}, {I_PD_ENABLESETUPTEMPLATEHANDLE, PD_ENABLESETUPTEMPLATEHANDLE}, {I_PD_HIDEPRINTTOFILE, PD_HIDEPRINTTOFILE}, {I_PD_NOPAGENUMS, PD_NOPAGENUMS}, {I_PD_NOSELECTION, PD_NOSELECTION}, {I_PD_NOWARNING, PD_NOWARNING}, {I_PD_PAGENUMS, PD_PAGENUMS}, {I_PD_PRINTSETUP, PD_PRINTSETUP}, {I_PD_PRINTTOFILE, PD_PRINTTOFILE}, {I_PD_RETURNDC, PD_RETURNDC}, {I_PD_RETURNDEFAULT, PD_RETURNDEFAULT}, {I_PD_RETURNIC, PD_RETURNIC}, {I_PD_SELECTION, PD_SELECTION}, {I_PD_SHOWHELP, PD_SHOWHELP}, {I_PD_USEDEVMODECOPIES, PD_USEDEVMODECOPIES}, {IDOK, 0}, }; return mwcd_Setup(hWnd, uMsg, wParam, lParam, flagTable, &pd.Flags); } BOOL CALLBACK mwcd_FileSetup(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { static struct FlagTableEntry flagTable[] = { {I_OFN_ALLOWMULTISELECT, OFN_ALLOWMULTISELECT}, {I_OFN_CREATEPROMPT, OFN_CREATEPROMPT}, {I_OFN_ENABLEHOOK, OFN_ENABLEHOOK}, {I_OFN_ENABLETEMPLATE, OFN_ENABLETEMPLATE}, {I_OFN_ENABLETEMPLATEHANDLE, OFN_ENABLETEMPLATEHANDLE}, {I_OFN_EXTENSIONDIFFERENT, OFN_EXTENSIONDIFFERENT}, {I_OFN_FILEMUSTEXIST, OFN_FILEMUSTEXIST}, {I_OFN_HIDEREADONLY, OFN_HIDEREADONLY}, {I_OFN_NOCHANGEDIR, OFN_NOCHANGEDIR}, {I_OFN_NOREADONLYRETURN, OFN_NOREADONLYRETURN}, {I_OFN_NOTESTFILECREATE, OFN_NOTESTFILECREATE}, {I_OFN_NOVALIDATE, OFN_NOVALIDATE}, {I_OFN_OVERWRITEPROMPT, OFN_OVERWRITEPROMPT}, {I_OFN_PATHMUSTEXIST, OFN_PATHMUSTEXIST}, {I_OFN_READONLY, OFN_READONLY}, {I_OFN_SHAREAWARE, OFN_SHAREAWARE}, {I_OFN_SHOWHELP, OFN_SHOWHELP}, {IDOK, 0}, }; return mwcd_Setup(hWnd, uMsg, wParam, lParam, flagTable, &pd.Flags); } BOOL CALLBACK mwcd_About(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { switch(uMsg) { case WM_INITDIALOG: return TRUE; // let WINDOWS set the focus. case WM_COMMAND: EndDialog(hWnd, 0); return TRUE; // it's our OK button. default: return FALSE; // it's something else, let Windows worry about it } } // These functions call custom dialog boxes (resource-loaded, if I do this right). // Right now they don't do a heck of a lot, but at some future time // they will muck about with the flags (and be loaded from the flags) of // the CommDlg structures initialized by the mwi_xxx() routines. void mwc_ColorSetup(HWND hWnd) { int r = DialogBox(g_hInstance, "Color_Flags_Dialog", hWnd, (DLGPROC) mwcd_ColorSetup); if(r < 0) { MessageBox(hWnd, "Failure opening Color_Flags_Dialog box", "Error", MB_ICONASTERISK|MB_OK); } } void mwc_FontSetup(HWND hWnd) { int r = DialogBox(g_hInstance, "Font_Flags_Dialog", hWnd, (DLGPROC) mwcd_FontSetup); if(r < 0) { MessageBox(hWnd, "Failure opening Font_Flags_Dialog box", "Error", MB_ICONASTERISK|MB_OK); } } void mwc_FindReplaceSetup(HWND hWnd) { int r = DialogBox(g_hInstance, "Find_Flags_Dialog", hWnd, (DLGPROC) mwcd_FindSetup); if(r < 0) { MessageBox(hWnd, "Failure opening Find_Flags_Dialog box", "Error", MB_ICONASTERISK|MB_OK); } } void mwc_PrintSetup(HWND hWnd) { int r = DialogBox(g_hInstance, "Print_Flags_Dialog", hWnd, (DLGPROC) mwcd_PrintSetup); if(r < 0) { MessageBox(hWnd, "Failure opening Print_Flags_Dialog box", "Error", MB_ICONASTERISK|MB_OK); } } void mwc_FileSetup(HWND hWnd) { int r = DialogBox(g_hInstance, "File_Flags_Dialog", hWnd, (DLGPROC) mwcd_PrintSetup); if(r < 0) { MessageBox(hWnd, "Failure opening File_Flags_Dialog box", "Error", MB_ICONASTERISK|MB_OK); } } // Main window message dispatcher. Here the messages get chewed up // and spit out. Note the ugly hack for the modeless Find/Replace box; // this looks like it was bolted on with hexhead screws and is now // dangling from Windows like a loose muffler. Sigh. LRESULT CALLBACK EXPORT mainWindowDispatcher( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ) { if(uMsg == findMessageId) { FINDREPLACE FAR* lpfr = (FINDREPLACE FAR*) lParam; if(lpfr->Flags & FR_DIALOGTERM) { MessageBox(hWnd, "User closing us down.", "Down", MB_OK); findDialogBox = 0; } else if (lpfr->Flags & FR_FINDNEXT) { MessageBox(hWnd, "Finding next occurrence.", "Findnext", MB_OK); } else if (lpfr->Flags & FR_REPLACE) { MessageBox(hWnd, "Replacing next occurence.", "Replace", MB_OK); } else if (lpfr->Flags & FR_REPLACEALL) { MessageBox(hWnd, "Replacing all occurrences.", "Replace All", MB_OK); } else { MessageBox(hWnd, "Eh?", "Eh?", MB_OK); } return 1; } else switch(uMsg) { case WM_CREATE: // this is always the first message...at least as far as // we are concerned. mwi_InitAll(hWnd); break; case WM_PAINT: // Well, draw something! paintMainWindow(hWnd, uMsg, wParam, lParam); break; case WM_DESTROY: // Uh oh. Eject! Eject! Eject! PostQuitMessage(0); break; case WM_COMMAND: // menu or accelerator pressed; do something. switch(wParam) { case CM_U_EXIT: // Uh oh. Eject! Eject! Eject! PostQuitMessage(0); break; // these actually call the Common Dialogs. case CM_U_COLOR: mw_ColorSetup(hWnd); return 1; case CM_U_FONT: mw_FontSetup(hWnd); return 1; case CM_U_FIND: mw_FindSetup(hWnd); return 1; case CM_U_REPLACE: mw_ReplaceSetup(hWnd); return 1; case CM_U_OPEN: mw_OpenSetup(hWnd); return 1; case CM_U_SAVE: mw_SaveSetup(hWnd); return 1; case CM_U_PSETUP: mw_PSetupSetup(hWnd); return 1; case CM_U_PRINT: mw_PrintSetup(hWnd); return 1; // these set up various flags and values in the Common Dialog // data structures, which are currently stored in static memory. // The control dialogs themselves are resources as well. case CM_F_FILE: mwc_FileSetup(hWnd); return 1; case CM_F_COLOR: mwc_ColorSetup(hWnd); return 1; case CM_F_FONT: mwc_FontSetup(hWnd); return 1; case CM_F_FINDREPLACE: mwc_FindReplaceSetup(hWnd); return 1; case CM_F_PRINT: mwc_PrintSetup(hWnd); return 1; case CM_H_ABOUT: DialogBox(g_hInstance, "AboutDialog", hWnd, (DLGPROC) mwcd_About); // return value? *What* return value? return 1; default: nyi(hWnd); return 1; } break; default: return DefWindowProc(hWnd, uMsg, wParam, lParam); } return 0; } // Class registration. One might call this a Windowsism. int registerMainWindowClass(HINSTANCE hInstance) { WNDCLASS wndClass; wndClass.style = CS_HREDRAW|CS_VREDRAW; wndClass.lpfnWndProc = mainWindowDispatcher; wndClass.cbClsExtra = 0; wndClass.cbWndExtra = 0; wndClass.hInstance = hInstance; //wndClass.hIcon = LoadIcon(hInstance, "whello"); //wndClass.hCursor = LoadCursor(hInstance, IDC_ARROW); wndClass.hIcon = 0; wndClass.hCursor = 0; wndClass.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH); wndClass.lpszMenuName = menuName; wndClass.lpszClassName = className; return RegisterClass(&wndClass); } // Another Windowsism; this one's not too bad, as it compares // favorably with CreateWindow() in X (mucking about with X Visuals // can get messy; at least here we don't have to worry about that). HWND createMainWindow(HINSTANCE hInstance, int show) { HWND hWnd; hWnd = CreateWindow( className, // classname windowName, // windowname/title WS_OVERLAPPEDWINDOW, // dwStyle 0, //x 0, //y CW_USEDEFAULT, //width CW_USEDEFAULT, //height 0, // parent window 0, // menu hInstance, // instance 0 // passthrough for MDI ); if(hWnd==0) return 0; ShowWindow(hWnd, show); UpdateWindow(hWnd); return hWnd; } int messageLoop(HINSTANCE hInstance, HWND hWnd) { MSG msg; while(GetMessage(&msg, 0, 0, 0)) { TranslateMessage(&msg); DispatchMessage(&msg); } return msg.wParam; } // Oh, did we tell you that main() isn't the name of the // thing called in a Win16/Win32 app? And then there are // the lack of argument lists, the necessity (at least in Win16) // of having to deal with class registration exactly once (as the // app may be run again), and some other bizarre holdovers from // Windows 3.x days. But hey, Solitaire still works. int PASCAL WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpszCmdLine, int nCmdShow ) { HWND hWnd; if(hPrevInstance==0) { if(!registerMainWindowClass(hInstance)) return -1; } g_hInstance = hInstance; hWnd = createMainWindow(hInstance,nCmdShow); if(hWnd == 0) return -1; return messageLoop(hInstance, hWnd); } // And now the end of the program. Enjoy. // (c) 1999 Eric Williams. Rights as specified under the WINE // License. Don't hoard code; share it!