Windows程序设计 非模态对话框 HEX
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P418--425
HEXCALC.C
//
/*---------------------------------------- HEXCALC.C -- Hexadecimal Calculator (c) Charles Petzold, 1998 ----------------------------------------*/ #include <windows.h>LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow){ static TCHAR szAppName[] = TEXT ("HexCalc") ; HWND hwnd ; MSG msg ; WNDCLASS wndclass ; wndclass.style = CS_HREDRAW | CS_VREDRAW; wndclass.lpfnWndProc = WndProc ; wndclass.cbClsExtra = 0 ; wndclass.cbWndExtra = DLGWINDOWEXTRA ; // Note!注意这个字段 wndclass.hInstance = hInstance ; wndclass.hIcon = LoadIcon (hInstance, szAppName) ; wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ; wndclass.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1) ; wndclass.lpszMenuName = NULL ; wndclass.lpszClassName = szAppName ; if (!RegisterClass (&wndclass)) { MessageBox (NULL, TEXT ("This program requires Windows NT!"), szAppName, MB_ICONERROR) ; return 0 ; } //用的不是常见的CreateWindow() //第二个参数szAppName 是对话框模版资源的名称 hwnd = CreateDialog (hInstance, szAppName, 0, NULL) ; ShowWindow (hwnd, iCmdShow) ; while (GetMessage (&msg, NULL, 0, 0)) { TranslateMessage (&msg) ; DispatchMessage (&msg) ; } return msg.wParam ;}void ShowNumber (HWND hwnd, UINT iNumber){ TCHAR szBuffer[20] ; wsprintf (szBuffer, TEXT ("%X"), iNumber) ; SetDlgItemText (hwnd, VK_ESCAPE, szBuffer) ;}DWORD CalcIt (UINT iFirstNum, int iOperation, UINT iNum){ switch (iOperation) { case '=': return iNum ; case '+': return iFirstNum + iNum ; case '-': return iFirstNum - iNum ; case '*': return iFirstNum * iNum ; case '&': return iFirstNum & iNum ; case '|': return iFirstNum | iNum ; case '^': return iFirstNum ^ iNum ; case '<': return iFirstNum << iNum ; case '>': return iFirstNum >> iNum ; case '/': return iNum ? iFirstNum / iNum: MAXDWORD ; case '%': return iNum ? iFirstNum % iNum: MAXDWORD ; default : return 0 ; }}LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam){ static BOOL bNewNumber = TRUE ; static int iOperation = '=' ; static UINT iNumber, iFirstNum ; HWND hButton ; switch (message) { case WM_KEYDOWN: // left arrow --> backspace if (wParam != VK_LEFT) break ; wParam = VK_BACK; // fall through case WM_CHAR: if ((wParam = (WPARAM) CharUpper ((TCHAR *) wParam)) == VK_RETURN) wParam = '=' ; if (hButton = GetDlgItem (hwnd, wParam)) { SendMessage (hButton, BM_SETSTATE, 1, 0) ; Sleep (100) ; SendMessage (hButton, BM_SETSTATE, 0, 0) ; } else { MessageBeep (0) ; break ; } // fall through case WM_COMMAND: SetFocus (hwnd) ; if (LOWORD (wParam) == VK_BACK) // backspace ShowNumber (hwnd, iNumber /= 16) ; else if (LOWORD (wParam) == VK_ESCAPE) // escape ShowNumber (hwnd, iNumber = 0) ; else if (isxdigit (LOWORD (wParam))) // hex digit { if (bNewNumber) { iFirstNum = iNumber ; iNumber = 0 ; } bNewNumber = FALSE ; if (iNumber <= MAXDWORD >> 4) ShowNumber (hwnd, iNumber = 16 * iNumber + wParam - (isdigit (wParam) ? '0': 'A' - 10)) ; else MessageBeep (0) ; } else // operation { if (!bNewNumber) ShowNumber (hwnd, iNumber = CalcIt (iFirstNum, iOperation, iNumber)) ; bNewNumber = TRUE ; iOperation = LOWORD (wParam) ; } return 0 ; case WM_DESTROY: PostQuitMessage (0) ; return 0 ; } return DefWindowProc (hwnd, message, wParam, lParam) ;}这个文件就是定义了一个图标icon 和 把另外一个资源文件include进来#include "hexcalc.dlg"
HEXCALC ICON DISCARDABLE "HexCalc.ico"
//hexcalc.rc
//
//Hexcalc.rc//Microsoft Developer Studio generated resource script.//#include "resource.h"#define APSTUDIO_READONLY_SYMBOLS///////////////////////////////////////////////////////////////////////////////// Generated from the TEXTINCLUDE 2 resource.//#include "afxres.h"/////////////////////////////////////////////////////////////////////////////#undef APSTUDIO_READONLY_SYMBOLS/////////////////////////////////////////////////////////////////////////////// English (U.S.) resources#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)#ifdef _WIN32LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US#pragma code_page(1252)#endif //_WIN32#ifdef APSTUDIO_INVOKED///////////////////////////////////////////////////////////////////////////////// TEXTINCLUDE//1 TEXTINCLUDE DISCARDABLE BEGIN "resource.h\0"END2 TEXTINCLUDE DISCARDABLE BEGIN "#include ""afxres.h""\r\n" "\0"END3 TEXTINCLUDE DISCARDABLE BEGIN "#include ""hexcalc.dlg""\r\n" "\0"END#endif // APSTUDIO_INVOKED///////////////////////////////////////////////////////////////////////////////// Icon//// Icon with lowest ID value placed first to ensure application icon// remains consistent on all systems.HEXCALC ICON DISCARDABLE "HexCalc.ico"#endif // English (U.S.) resources/////////////////////////////////////////////////////////////////////////////#ifndef APSTUDIO_INVOKED///////////////////////////////////////////////////////////////////////////////// Generated from the TEXTINCLUDE 3 resource.//#include "hexcalc.dlg"/////////////////////////////////////////////////////////////////////////////#endif // not APSTUDIO_INVOKED
//
真正的对话框资源脚本文件 HEXCALC.DLG,这个是手工输入编写的
/*--------------------------- HEXCALC.DLG dialog script ---------------------------*/HexCalc DIALOG -1, -1, 102, 122STYLE WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOXCLASS "HexCalc"CAPTION "Hex Calculator"{ PUSHBUTTON "D", 68, 8, 24, 14, 14 PUSHBUTTON "A", 65, 8, 40, 14, 14 PUSHBUTTON "7", 55, 8, 56, 14, 14 PUSHBUTTON "4", 52, 8, 72, 14, 14 PUSHBUTTON "1", 49, 8, 88, 14, 14 PUSHBUTTON "0", 48, 8, 104, 14, 14 PUSHBUTTON "0", 27, 26, 4, 50, 14 PUSHBUTTON "E", 69, 26, 24, 14, 14 PUSHBUTTON "B", 66, 26, 40, 14, 14 PUSHBUTTON "8", 56, 26, 56, 14, 14 PUSHBUTTON "5", 53, 26, 72, 14, 14 PUSHBUTTON "2", 50, 26, 88, 14, 14 PUSHBUTTON "Back", 8, 26, 104, 32, 14 PUSHBUTTON "C", 67, 44, 40, 14, 14 PUSHBUTTON "F", 70, 44, 24, 14, 14 PUSHBUTTON "9", 57, 44, 56, 14, 14 PUSHBUTTON "6", 54, 44, 72, 14, 14 PUSHBUTTON "3", 51, 44, 88, 14, 14 PUSHBUTTON "+", 43, 62, 24, 14, 14 PUSHBUTTON "-", 45, 62, 40, 14, 14 PUSHBUTTON "*", 42, 62, 56, 14, 14 PUSHBUTTON "/", 47, 62, 72, 14, 14 PUSHBUTTON "%", 37, 62, 88, 14, 14 PUSHBUTTON "Equals", 61, 62, 104, 32, 14 PUSHBUTTON "&&", 38, 80, 24, 14, 14 PUSHBUTTON "|", 124, 80, 40, 14, 14 PUSHBUTTON "^", 94, 80, 56, 14, 14 PUSHBUTTON "<", 60, 80, 72, 14, 14 PUSHBUTTON ">", 62, 80, 88, 14, 14}// 头文件 resource.h 没有什么 HexCalc.rc的内容
// resource.h//{{NO_DEPENDENCIES}}// Microsoft Developer Studio generated include file.// Used by HexCalc.rc//// Next default values for new objects// #ifdef APSTUDIO_INVOKED#ifndef APSTUDIO_READONLY_SYMBOLS#define _APS_NEXT_RESOURCE_VALUE 103#define _APS_NEXT_COMMAND_VALUE 40001#define _APS_NEXT_CONTROL_VALUE 1003#define _APS_NEXT_SYMED_VALUE 101#endif#endif
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