home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Programming Windows 95
/
Programming Windows 95.iso
/
code
/
CHAP10
/
POPPAD2.C
< prev
next >
Wrap
C/C++ Source or Header
|
1995-12-31
|
7KB
|
198 lines
/*-----------------------------------------------------
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) ;
}