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- /*-----------------------------------------------------
- POPPAD2.C -- Popup Editor Version 2 (includes menu)
- (c) Charles Petzold, 1996
- -----------------------------------------------------*/
-
- #include <windows.h>
- #include "poppad2.h"
-
- LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM);
-
- char szAppName[] = "PopPad2" ;
-
- int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
- PSTR szCmdLine, int iCmdShow)
- {
- HACCEL hAccel ;
- HWND hwnd ;
- MSG msg ;
- WNDCLASSEX wndclass ;
-
- wndclass.cbSize = sizeof (wndclass) ;
- wndclass.style = CS_HREDRAW | CS_VREDRAW ;
- wndclass.lpfnWndProc = WndProc ;
- wndclass.cbClsExtra = 0 ;
- wndclass.cbWndExtra = 0 ;
- wndclass.hInstance = hInstance ;
- wndclass.hIcon = LoadIcon (hInstance, szAppName) ;
- wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
- wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
- wndclass.lpszMenuName = szAppName ;
- wndclass.lpszClassName = szAppName ;
- wndclass.hIconSm = LoadIcon (NULL, IDI_APPLICATION) ;
-
- RegisterClassEx (&wndclass) ;
-
- hwnd = CreateWindow (szAppName, szAppName,
- WS_OVERLAPPEDWINDOW,
- GetSystemMetrics (SM_CXSCREEN) / 4,
- GetSystemMetrics (SM_CYSCREEN) / 4,
- GetSystemMetrics (SM_CXSCREEN) / 2,
- GetSystemMetrics (SM_CYSCREEN) / 2,
- NULL, NULL, hInstance, NULL) ;
-
- ShowWindow (hwnd, iCmdShow) ;
- UpdateWindow (hwnd) ;
-
- hAccel = LoadAccelerators (hInstance, szAppName) ;
-
- while (GetMessage (&msg, NULL, 0, 0))
- {
- if (!TranslateAccelerator (hwnd, hAccel, &msg))
- {
- TranslateMessage (&msg) ;
- DispatchMessage (&msg) ;
- }
- }
- return msg.wParam ;
- }
-
- AskConfirmation (HWND hwnd)
- {
- return MessageBox (hwnd, "Really want to close PopPad2?",
- szAppName, MB_YESNO | MB_ICONQUESTION) ;
- }
-
- LRESULT CALLBACK WndProc (HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam)
- {
- static HWND hwndEdit ;
- int iSelect, iEnable ;
-
- switch (iMsg)
- {
- case WM_CREATE :
- hwndEdit = CreateWindow ("edit", NULL,
- WS_CHILD | WS_VISIBLE | WS_HSCROLL | WS_VSCROLL |
- WS_BORDER | ES_LEFT | ES_MULTILINE |
- ES_AUTOHSCROLL | ES_AUTOVSCROLL,
- 0, 0, 0, 0,
- hwnd, (HMENU) 1,
- ((LPCREATESTRUCT) lParam)->hInstance, NULL) ;
- return 0 ;
-
- case WM_SETFOCUS :
- SetFocus (hwndEdit) ;
- return 0 ;
-
- case WM_SIZE :
- MoveWindow (hwndEdit, 0, 0, LOWORD (lParam),
- HIWORD (lParam), TRUE) ;
- return 0 ;
-
- case WM_INITMENUPOPUP :
- if (lParam == 1)
- {
- EnableMenuItem ((HMENU) wParam, IDM_UNDO,
- SendMessage (hwndEdit, EM_CANUNDO, 0, 0) ?
- MF_ENABLED : MF_GRAYED) ;
-
- EnableMenuItem ((HMENU) wParam, IDM_PASTE,
- IsClipboardFormatAvailable (CF_TEXT) ?
- MF_ENABLED : MF_GRAYED) ;
-
- iSelect = SendMessage (hwndEdit, EM_GETSEL, 0, 0) ;
-
- if (HIWORD (iSelect) == LOWORD (iSelect))
- iEnable = MF_GRAYED ;
- else
- iEnable = MF_ENABLED ;
-
- EnableMenuItem ((HMENU) wParam, IDM_CUT, iEnable) ;
- EnableMenuItem ((HMENU) wParam, IDM_COPY, iEnable) ;
- EnableMenuItem ((HMENU) wParam, IDM_DEL, iEnable) ;
-
- return 0 ;
- }
- break ;
-
- case WM_COMMAND :
-
- if (lParam)
- {
- if (LOWORD (lParam) == 1 &&
- (HIWORD (wParam) == EN_ERRSPACE ||
- HIWORD (wParam) == EN_MAXTEXT))
- MessageBox (hwnd, "Edit control out of space.",
- szAppName, MB_OK | MB_ICONSTOP) ;
- return 0 ;
- }
-
- else switch (LOWORD (wParam))
- {
- case IDM_NEW :
- case IDM_OPEN :
- case IDM_SAVE :
- case IDM_SAVEAS :
- case IDM_PRINT :
- MessageBeep (0) ;
- return 0 ;
-
- case IDM_EXIT :
- SendMessage (hwnd, WM_CLOSE, 0, 0) ;
- return 0 ;
-
- case IDM_UNDO :
- SendMessage (hwndEdit, WM_UNDO, 0, 0) ;
- return 0 ;
-
- case IDM_CUT :
- SendMessage (hwndEdit, WM_CUT, 0, 0) ;
- return 0 ;
-
- case IDM_COPY :
- SendMessage (hwndEdit, WM_COPY, 0, 0) ;
- return 0 ;
-
- case IDM_PASTE :
- SendMessage (hwndEdit, WM_PASTE, 0, 0) ;
- return 0 ;
-
- case IDM_DEL :
- SendMessage (hwndEdit, WM_CLEAR, 0, 0) ;
- return 0 ;
-
- case IDM_SELALL :
- SendMessage (hwndEdit, EM_SETSEL, 0, -1) ;
- return 0 ;
-
- case IDM_HELP :
- MessageBox (hwnd, "Help not yet implemented!",
- szAppName, MB_OK | MB_ICONEXCLAMATION) ;
- return 0 ;
-
- case IDM_ABOUT :
- MessageBox (hwnd,
- "POPPAD2 (c) Charles Petzold, 1996",
- szAppName, MB_OK | MB_ICONINFORMATION) ;
- return 0 ;
- }
- break ;
-
- case WM_CLOSE :
- if (IDYES == AskConfirmation (hwnd))
- DestroyWindow (hwnd) ;
- return 0 ;
-
- case WM_QUERYENDSESSION :
- if (IDYES == AskConfirmation (hwnd))
- return 1 ;
- else
- return 0 ;
-
- case WM_DESTROY :
- PostQuitMessage (0) ;
- return 0 ;
- }
- return DefWindowProc (hwnd, iMsg, wParam, lParam) ;
- }
-