mirror of
https://github.com/reactos/reactos.git
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188 lines
4.3 KiB
C
188 lines
4.3 KiB
C
/*
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* enumwnd.c
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*
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* application to test the various Window Enumeration functions
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*/
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//#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <tchar.h>
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#include <stdio.h>
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HBRUSH hbrBackground;
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HFONT tf;
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int test = 0;
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const TCHAR* APP_NAME = "EnumWnd Test";
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const TCHAR* CLASS_NAME = "EnumWndTestClass";
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LRESULT WINAPI MainWndProc(HWND, UINT, WPARAM, LPARAM);
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int WINAPI
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WinMain(HINSTANCE hInstance,
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HINSTANCE hPrevInstance,
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LPSTR lpszCmdLine,
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int nCmdShow)
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{
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WNDCLASS wc;
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MSG msg;
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HWND hWnd;
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wc.lpszClassName = CLASS_NAME;
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wc.lpfnWndProc = MainWndProc;
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wc.style = CS_VREDRAW | CS_HREDRAW;
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wc.hInstance = hInstance;
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wc.hIcon = LoadIcon(NULL, (LPCTSTR)IDI_APPLICATION);
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wc.hCursor = LoadCursor(NULL, (LPCTSTR)IDC_ARROW);
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wc.hbrBackground = (HBRUSH)GetStockObject(GRAY_BRUSH);
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wc.lpszMenuName = NULL;
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wc.cbClsExtra = 0;
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wc.cbWndExtra = 0;
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if (RegisterClass(&wc) == 0)
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{
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_ftprintf ( stderr, _T("RegisterClass failed (last error 0x%lX)\n"),
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GetLastError());
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return(1);
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}
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hWnd = CreateWindow(CLASS_NAME,
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APP_NAME,
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WS_OVERLAPPEDWINDOW,
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0,
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0,
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CW_USEDEFAULT,
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CW_USEDEFAULT,
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NULL,
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NULL,
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hInstance,
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NULL);
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if (hWnd == NULL)
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{
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_ftprintf ( stderr, _T("CreateWindow failed (last error 0x%lX)\n"),
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GetLastError());
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return(1);
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}
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tf = CreateFont (14, 0, 0, TA_BASELINE, FW_NORMAL, FALSE, FALSE, FALSE,
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ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
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DEFAULT_QUALITY, FIXED_PITCH|FF_DONTCARE, _T("Timmons"));
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hbrBackground = CreateSolidBrush ( RGB(192,192,192) );
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ShowWindow ( hWnd, nCmdShow );
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while(GetMessage(&msg, NULL, 0, 0))
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{
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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DeleteObject(hbrBackground);
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DeleteObject(tf);
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return msg.wParam;
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}
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void MyTextOut ( HDC hdc, int x, int y, const TCHAR* text )
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{
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TextOut ( hdc, x, y, text, _tcslen(text) );
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}
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typedef struct _EnumData
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{
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HDC hdc;
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int x;
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int y;
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} EnumData;
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BOOL CALLBACK MyWindowEnumProc ( HWND hwnd, LPARAM lParam )
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{
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TCHAR wndcaption[1024], buf[1024];
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EnumData* ped = (EnumData*)lParam;
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GetWindowText ( hwnd, wndcaption, sizeof(wndcaption)/sizeof(*wndcaption) );
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_sntprintf ( buf, sizeof(buf)/sizeof(*buf), _T("%x - %s"), hwnd, wndcaption );
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MyTextOut ( ped->hdc, ped->x, ped->y, buf );
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ped->y += 13;
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return TRUE;
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}
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LRESULT CALLBACK MainWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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PAINTSTRUCT ps;
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HDC hDC;
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RECT rect;
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TCHAR buf[100];
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EnumData ed;
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switch(msg)
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{
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case WM_PAINT:
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hDC = BeginPaint(hWnd, &ps);
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SelectObject(hDC, tf);
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GetClientRect ( hWnd, &rect );
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FillRect ( hDC, &rect, hbrBackground );
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MyTextOut ( hDC, 10, 10, "EnumWnd Test" );
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_sntprintf ( buf, sizeof(buf)/sizeof(*buf), _T("My HWND: %x"), hWnd );
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MyTextOut ( hDC, 10, 30, buf );
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ed.hdc = hDC;
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ed.x = 10;
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ed.y = 70;
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switch ( test )
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{
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case 1:
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MyTextOut ( hDC, 10, 50, _T("Test #1: EnumWindows()") );
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EnumWindows ( MyWindowEnumProc, (LPARAM)&ed );
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break;
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case 2:
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MyTextOut ( hDC, 10, 50, _T("Test #2: EnumChildWindows()") );
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EnumChildWindows ( hWnd, MyWindowEnumProc, (LPARAM)&ed );
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break;
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case 3:
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MyTextOut ( hDC, 10, 50, _T("Test #3: EnumDesktopWindows") );
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EnumDesktopWindows ( NULL, MyWindowEnumProc, (LPARAM)&ed );
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break;
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case 4:
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MyTextOut ( hDC, 10, 50, _T("Test #4: EnumThreadWindows") );
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EnumThreadWindows ( GetCurrentThreadId(), MyWindowEnumProc, (LPARAM)&ed );
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break;
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default:
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MyTextOut ( hDC, 10, 50, _T("Press any of the number keys from 1 to 4 to run a test") );
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MyTextOut ( hDC, 10, 70, _T("Press the left and right mouse buttons to cycle through the tests") );
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break;
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}
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EndPaint(hWnd, &ps);
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break;
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case WM_CHAR:
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test = (TCHAR)wParam - '1' + 1;
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RedrawWindow ( hWnd, NULL, NULL, RDW_INVALIDATE );
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break;
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case WM_LBUTTONDOWN:
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if ( ++test > 4 )
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test = 1;
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RedrawWindow ( hWnd, NULL, NULL, RDW_INVALIDATE );
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break;
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case WM_RBUTTONDOWN:
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if ( !--test )
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test = 4;
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RedrawWindow ( hWnd, NULL, NULL, RDW_INVALIDATE );
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break;
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case WM_DESTROY:
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PostQuitMessage(0);
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break;
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default:
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return DefWindowProc(hWnd, msg, wParam, lParam);
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}
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return 0;
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}
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