diff --git a/FileEditor/Main.c b/FileEditor/Main.c index 5d85329..e474946 100644 --- a/FileEditor/Main.c +++ b/FileEditor/Main.c @@ -1,225 +1 @@ -#include - -#include "Main.h" - -static char g_szClassName[] = "MyWindowClass"; -static HINSTANCE g_hInst = NULL; - -#define IDC_MAIN_TEXT 1001 - -BOOL LoadFile(HWND hEdit, LPSTR pszFileName) -{ - HANDLE hFile; - BOOL bSuccess = FALSE; - - hFile = CreateFile(pszFileName, GENERIC_READ, FILE_SHARE_READ, NULL, - OPEN_EXISTING, 0, 0); - if(hFile != INVALID_HANDLE_VALUE) - { - DWORD dwFileSize; - dwFileSize = GetFileSize(hFile, NULL); - if(dwFileSize != 0xFFFFFFFF) - { - LPSTR pszFileText; - pszFileText = (LPSTR)GlobalAlloc(GPTR, dwFileSize + 1); - if(pszFileText != NULL) - { - DWORD dwRead; - if(ReadFile(hFile, pszFileText, dwFileSize, &dwRead, NULL)) - { - pszFileText[dwFileSize] = 0; // Null terminator - if(SetWindowText(hEdit, pszFileText)) - bSuccess = TRUE; // It worked! - } - GlobalFree(pszFileText); - } - } - CloseHandle(hFile); - } - return bSuccess; -} - -BOOL SaveFile(HWND hEdit, LPSTR pszFileName) -{ - HANDLE hFile; - BOOL bSuccess = FALSE; - - hFile = CreateFile(pszFileName, GENERIC_WRITE, 0, 0, - CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0); - if(hFile != INVALID_HANDLE_VALUE) - { - DWORD dwTextLength; - dwTextLength = GetWindowTextLength(hEdit); - if(dwTextLength > 0)// No need to bother if there's no text. - { - LPSTR pszText; - pszText = (LPSTR)GlobalAlloc(GPTR, dwTextLength + 1); - if(pszText != NULL) - { - if(GetWindowText(hEdit, pszText, dwTextLength + 1)) - { - DWORD dwWritten; - if(WriteFile(hFile, pszText, dwTextLength, &dwWritten, NULL)) - bSuccess = TRUE; - } - GlobalFree(pszText); - } - } - CloseHandle(hFile); - } - return bSuccess; -} - -BOOL DoFileOpenSave(HWND hwnd, BOOL bSave) -{ - OPENFILENAME ofn; - char szFileName[MAX_PATH]; - - ZeroMemory(&ofn, sizeof(ofn)); - szFileName[0] = 0; - - ofn.lStructSize = sizeof(ofn); - ofn.hwndOwner = hwnd; - ofn.lpstrFilter = "Text Files (*.txt)\0*.txt\0All Files (*.*)\0*.*\0\0"; - ofn.lpstrFile = szFileName; - ofn.nMaxFile = MAX_PATH; - ofn.lpstrDefExt = "txt"; - - if(bSave) - { - ofn.Flags = OFN_EXPLORER | OFN_PATHMUSTEXIST | OFN_HIDEREADONLY | - OFN_OVERWRITEPROMPT; - - if(GetSaveFileName(&ofn)) - { - if(!SaveFile(GetDlgItem(hwnd, IDC_MAIN_TEXT), szFileName)) - { - MessageBox(hwnd, "Save file failed.", "Error", - MB_OK | MB_ICONEXCLAMATION); - return FALSE; - } - } - } - else - { - ofn.Flags = OFN_EXPLORER | OFN_FILEMUSTEXIST | OFN_HIDEREADONLY; - if(GetOpenFileName(&ofn)) - { - if(!LoadFile(GetDlgItem(hwnd, IDC_MAIN_TEXT), szFileName)) - { - MessageBox(hwnd, "Load of file failed.", "Error", - MB_OK | MB_ICONEXCLAMATION); - return FALSE; - } - } - } - return TRUE; -} - -LRESULT CALLBACK WndProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam) -{ - switch(Message) - { - case WM_CREATE: - CreateWindow("EDIT", "", - WS_CHILD | WS_VISIBLE | WS_HSCROLL | WS_VSCROLL | ES_MULTILINE | - ES_WANTRETURN, - CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, - hwnd, (HMENU)IDC_MAIN_TEXT, g_hInst, NULL); - - SendDlgItemMessage(hwnd, IDC_MAIN_TEXT, WM_SETFONT, - (WPARAM)GetStockObject(DEFAULT_GUI_FONT), MAKELPARAM(TRUE, 0)); - break; - case WM_SIZE: - if(wParam != SIZE_MINIMIZED) - MoveWindow(GetDlgItem(hwnd, IDC_MAIN_TEXT), 0, 0, LOWORD(lParam), - HIWORD(lParam), TRUE); - break; - case WM_SETFOCUS: - SetFocus(GetDlgItem(hwnd, IDC_MAIN_TEXT)); - break; - case WM_COMMAND: - switch(LOWORD(wParam)) - { - case CM_FILE_OPEN: - DoFileOpenSave(hwnd, FALSE); - break; - case CM_FILE_SAVEAS: - DoFileOpenSave(hwnd, TRUE); - break; - case CM_FILE_EXIT: - PostMessage(hwnd, WM_CLOSE, 0, 0); - break; - case CM_ABOUT: - MessageBox (NULL, "File Editor for Windows !\n Using the Win32 API" , "About...", 0); - } - break; - case WM_CLOSE: - DestroyWindow(hwnd); - break; - case WM_DESTROY: - PostQuitMessage(0); - break; - default: - return DefWindowProc(hwnd, Message, wParam, lParam); - } - return 0; -} - - -int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, - LPSTR lpCmdLine, int nCmdShow) -{ - WNDCLASSEX WndClass; - HWND hwnd; - MSG Msg; - - g_hInst = hInstance; - - WndClass.cbSize = sizeof(WNDCLASSEX); - WndClass.style = 0; - WndClass.lpfnWndProc = WndProc; - WndClass.cbClsExtra = 0; - WndClass.cbWndExtra = 0; - WndClass.hInstance = g_hInst; - WndClass.hIcon = LoadIcon(NULL, IDI_APPLICATION); - WndClass.hCursor = LoadCursor(NULL, IDC_ARROW); - WndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW+1); - WndClass.lpszMenuName = "MAINMENU"; - WndClass.lpszClassName = g_szClassName; - WndClass.hIconSm = LoadIcon(NULL, IDI_APPLICATION); - - if(!RegisterClassEx(&WndClass)) - { - MessageBox(0, "Window Registration Failed!", "Error!", - MB_ICONEXCLAMATION | MB_OK | MB_SYSTEMMODAL); - return 0; - } - - hwnd = CreateWindowEx( - WS_EX_CLIENTEDGE, - g_szClassName, - "File Editor Example Program", - WS_OVERLAPPEDWINDOW, - CW_USEDEFAULT, CW_USEDEFAULT, 320, 240, - NULL, NULL, g_hInst, NULL); - - if(hwnd == NULL) - { - MessageBox(0, "Window Creation Failed!", "Error!", - MB_ICONEXCLAMATION | MB_OK | MB_SYSTEMMODAL); - return 0; - } - - ShowWindow(hwnd, nCmdShow); - UpdateWindow(hwnd); - - while(GetMessage(&Msg, NULL, 0, 0)) - { - TranslateMessage(&Msg); - DispatchMessage(&Msg); - } - return Msg.wParam; -} - - +тут був я \ No newline at end of file