mirror of
https://github.com/reactos/reactos.git
synced 2024-08-29 14:48:37 +00:00
173 lines
5.1 KiB
C
173 lines
5.1 KiB
C
#include <windows.h>
|
|
#include <stdio.h>
|
|
|
|
LRESULT WINAPI UnicodeWndProc(HWND, UINT, WPARAM, LPARAM);
|
|
LRESULT WINAPI UnicodeSubclassProc(HWND, UINT, WPARAM, LPARAM);
|
|
LRESULT WINAPI AnsiSubclassProc(HWND, UINT, WPARAM, LPARAM);
|
|
|
|
static WNDPROC SavedWndProcW;
|
|
static WNDPROC SavedWndProcA;
|
|
|
|
int WINAPI
|
|
WinMain(HINSTANCE hInstance,
|
|
HINSTANCE hPrevInstance,
|
|
LPSTR lpszCmdLine,
|
|
int nCmdShow)
|
|
{
|
|
WNDCLASSW wc;
|
|
HWND hWnd;
|
|
WCHAR WindowTextW[256];
|
|
char WindowTextA[256];
|
|
|
|
wc.lpszClassName = L"UnicodeClass";
|
|
wc.lpfnWndProc = UnicodeWndProc;
|
|
wc.style = 0;
|
|
wc.hInstance = hInstance;
|
|
wc.hIcon = NULL;
|
|
wc.hCursor = NULL;
|
|
wc.hbrBackground = NULL;
|
|
wc.lpszMenuName = NULL;
|
|
wc.cbClsExtra = 0;
|
|
wc.cbWndExtra = 0;
|
|
if (RegisterClassW(&wc) == 0)
|
|
{
|
|
fprintf(stderr, "RegisterClassW failed (last error 0x%lu)\n",
|
|
GetLastError());
|
|
return 1;
|
|
}
|
|
printf("Unicode class registered, WndProc = 0x%p\n", wc.lpfnWndProc);
|
|
|
|
hWnd = CreateWindowA("UnicodeClass",
|
|
"Unicode Window",
|
|
WS_OVERLAPPEDWINDOW,
|
|
0,
|
|
0,
|
|
CW_USEDEFAULT,
|
|
CW_USEDEFAULT,
|
|
NULL,
|
|
NULL,
|
|
hInstance,
|
|
NULL);
|
|
if (hWnd == NULL)
|
|
{
|
|
fprintf(stderr, "CreateWindowA failed (last error 0x%lu)\n",
|
|
GetLastError());
|
|
return 1;
|
|
}
|
|
|
|
printf("Window created, IsWindowUnicode returns %s\n", IsWindowUnicode(hWnd) ? "TRUE" : "FALSE");
|
|
|
|
printf("Calling GetWindowTextW\n");
|
|
if (! GetWindowTextW(hWnd, WindowTextW, sizeof(WindowTextW) / sizeof(WindowTextW[0])))
|
|
{
|
|
fprintf(stderr, "GetWindowTextW failed (last error 0x%lu)\n", GetLastError());
|
|
return 1;
|
|
}
|
|
printf("GetWindowTextW returned Unicode string \"%S\"\n", WindowTextW);
|
|
|
|
printf("Calling GetWindowTextA\n");
|
|
if (! GetWindowTextA(hWnd, WindowTextA, sizeof(WindowTextA) / sizeof(WindowTextA[0])))
|
|
{
|
|
fprintf(stderr, "GetWindowTextA failed (last error 0x%lu)\n", GetLastError());
|
|
return 1;
|
|
}
|
|
printf("GetWindowTextA returned Ansi string \"%s\"\n", WindowTextA);
|
|
printf("\n");
|
|
|
|
SavedWndProcW = (WNDPROC) GetWindowLongW(hWnd, GWL_WNDPROC);
|
|
printf("GetWindowLongW returned 0x%p\n", SavedWndProcW);
|
|
SavedWndProcA = (WNDPROC) GetWindowLongA(hWnd, GWL_WNDPROC);
|
|
printf("GetWindowLongA returned 0x%p\n", SavedWndProcA);
|
|
printf("\n");
|
|
|
|
printf("Subclassing window using SetWindowLongW, new WndProc 0x%p\n", UnicodeSubclassProc);
|
|
SetWindowLongW(hWnd, GWL_WNDPROC, (LONG) UnicodeSubclassProc);
|
|
printf("After subclass, IsWindowUnicode %s, WndProcA 0x%lx, WndProcW 0x%lx\n",
|
|
IsWindowUnicode(hWnd) ? "TRUE" : "FALSE", GetWindowLongA(hWnd, GWL_WNDPROC),
|
|
GetWindowLongW(hWnd, GWL_WNDPROC));
|
|
|
|
printf("Calling GetWindowTextW\n");
|
|
if (! GetWindowTextW(hWnd, WindowTextW, sizeof(WindowTextW) / sizeof(WindowTextW[0])))
|
|
{
|
|
fprintf(stderr, "GetWindowTextW failed (last error 0x%lu)\n", GetLastError());
|
|
return 1;
|
|
}
|
|
printf("GetWindowTextW returned Unicode string \"%S\"\n", WindowTextW);
|
|
printf("\n");
|
|
|
|
printf("Subclassing window using SetWindowLongA, new WndProc 0x%p\n", AnsiSubclassProc);
|
|
SetWindowLongA(hWnd, GWL_WNDPROC, (LONG) AnsiSubclassProc);
|
|
printf("After subclass, IsWindowUnicode %s, WndProcA 0x%lx, WndProcW 0x%lx\n",
|
|
IsWindowUnicode(hWnd) ? "TRUE" : "FALSE", GetWindowLongA(hWnd, GWL_WNDPROC),
|
|
GetWindowLongW(hWnd, GWL_WNDPROC));
|
|
|
|
printf("Calling GetWindowTextW\n");
|
|
if (! GetWindowTextW(hWnd, WindowTextW, sizeof(WindowTextW) / sizeof(WindowTextW[0])))
|
|
{
|
|
fprintf(stderr, "GetWindowTextW failed (last error 0x%lu)\n", GetLastError());
|
|
return 1;
|
|
}
|
|
printf("GetWindowTextW returned Unicode string \"%S\"\n", WindowTextW);
|
|
|
|
DestroyWindow(hWnd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
LRESULT CALLBACK UnicodeWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
LRESULT Result;
|
|
|
|
switch(msg)
|
|
{
|
|
case WM_GETTEXT:
|
|
printf("UnicodeWndProc calling DefWindowProcW\n");
|
|
Result = DefWindowProcW(hWnd, msg, wParam, lParam);
|
|
printf("UnicodeWndProc Unicode window text \"%S\"\n", (LPWSTR) lParam);
|
|
break;
|
|
default:
|
|
Result = DefWindowProcW(hWnd, msg, wParam, lParam);
|
|
break;
|
|
}
|
|
|
|
return Result;
|
|
}
|
|
|
|
LRESULT CALLBACK UnicodeSubclassProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
LRESULT Result;
|
|
|
|
switch(msg)
|
|
{
|
|
case WM_GETTEXT:
|
|
printf("UnicodeSubclassProc calling SavedWindowProc\n");
|
|
Result = CallWindowProcW(SavedWndProcW, hWnd, msg, wParam, lParam);
|
|
printf("UnicodeSubclassProc Unicode window text \"%S\"\n", (LPWSTR) lParam);
|
|
break;
|
|
default:
|
|
Result = CallWindowProcW(SavedWndProcW, hWnd, msg, wParam, lParam);
|
|
break;
|
|
}
|
|
|
|
return Result;
|
|
}
|
|
|
|
LRESULT CALLBACK AnsiSubclassProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
LRESULT Result;
|
|
|
|
switch(msg)
|
|
{
|
|
case WM_GETTEXT:
|
|
printf("AnsiSubclassProc calling SavedWindowProcA\n");
|
|
Result = CallWindowProcA(SavedWndProcA, hWnd, msg, wParam, lParam);
|
|
printf("AnsiSubclassProc Ansi window text \"%s\"\n", (LPSTR) lParam);
|
|
break;
|
|
default:
|
|
Result = CallWindowProcA(SavedWndProcA, hWnd, msg, wParam, lParam);
|
|
break;
|
|
}
|
|
|
|
return Result;
|
|
}
|