diff options
author | Earnie Boyd <earnie@users.sf.net> | 2002-05-28 17:13:45 +0400 |
---|---|---|
committer | Earnie Boyd <earnie@users.sf.net> | 2002-05-28 17:13:45 +0400 |
commit | 4ad1e6fedbbdf47ea996f317de13d5cd5c5e206e (patch) | |
tree | 7700c41496acb60ac44c5885d954519aa52164cd /winsup/mingw/samples/wintest/test.c | |
parent | ad39fa8cb092eb6bb9ba5672f373751c89b1d4ff (diff) |
Merging MinGW changes
Diffstat (limited to 'winsup/mingw/samples/wintest/test.c')
-rw-r--r-- | winsup/mingw/samples/wintest/test.c | 424 |
1 files changed, 212 insertions, 212 deletions
diff --git a/winsup/mingw/samples/wintest/test.c b/winsup/mingw/samples/wintest/test.c index 961496fc1..056888ffc 100644 --- a/winsup/mingw/samples/wintest/test.c +++ b/winsup/mingw/samples/wintest/test.c @@ -1,212 +1,212 @@ -/*
- * A basic example of Win32 programming in C.
- *
- * This source code is in the PUBLIC DOMAIN and has NO WARRANTY.
- *
- * Colin Peters <colin@bird.fu.is.saga-u.ac.jp>
- */
-
-#include <windows.h>
-#include <string.h>
-
-/*
- * This is the window function for the main window. Whenever a message is
- * dispatched using DispatchMessage (or sent with SendMessage) this function
- * gets called with the contents of the message.
- */
-LRESULT CALLBACK
-MainWndProc (HWND hwnd, UINT nMsg, WPARAM wParam, LPARAM lParam)
-{
- /* The window handle for the "Click Me" button. */
- static HWND hwndButton = 0;
- static int cx, cy; /* Height and width of our button. */
-
- HDC hdc; /* A device context used for drawing */
- PAINTSTRUCT ps; /* Also used during window drawing */
- RECT rc; /* A rectangle used during drawing */
-
- /*
- * Perform processing based on what kind of message we got.
- */
- switch (nMsg)
- {
- case WM_CREATE:
- {
- /* The window is being created. Create our button
- * window now. */
- TEXTMETRIC tm;
-
- /* First we use the system fixed font size to choose
- * a nice button size. */
- hdc = GetDC (hwnd);
- SelectObject (hdc, GetStockObject (SYSTEM_FIXED_FONT));
- GetTextMetrics (hdc, &tm);
- cx = tm.tmAveCharWidth * 30;
- cy = (tm.tmHeight + tm.tmExternalLeading) * 2;
- ReleaseDC (hwnd, hdc);
-
- /* Now create the button */
- hwndButton = CreateWindow (
- "button", /* Builtin button class */
- "Click Here",
- WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
- 0, 0, cx, cy,
- hwnd, /* Parent is this window. */
- (HMENU) 1, /* Control ID: 1 */
- ((LPCREATESTRUCT) lParam)->hInstance,
- NULL
- );
-
- return 0;
- break;
- }
-
- case WM_DESTROY:
- /* The window is being destroyed, close the application
- * (the child button gets destroyed automatically). */
- PostQuitMessage (0);
- return 0;
- break;
-
- case WM_PAINT:
- /* The window needs to be painted (redrawn). */
- hdc = BeginPaint (hwnd, &ps);
- GetClientRect (hwnd, &rc);
-
- /* Draw "Hello, World" in the middle of the upper
- * half of the window. */
- rc.bottom = rc.bottom / 2;
- DrawText (hdc, "Hello, World", -1, &rc,
- DT_SINGLELINE | DT_CENTER | DT_VCENTER);
-
- EndPaint (hwnd, &ps);
- return 0;
- break;
-
- case WM_SIZE:
- /* The window size is changing. If the button exists
- * then place it in the center of the bottom half of
- * the window. */
- if (hwndButton &&
- (wParam == SIZEFULLSCREEN ||
- wParam == SIZENORMAL)
- )
- {
- rc.left = (LOWORD(lParam) - cx) / 2;
- rc.top = HIWORD(lParam) * 3 / 4 - cy / 2;
- MoveWindow (
- hwndButton,
- rc.left, rc.top, cx, cy, TRUE);
- }
- break;
-
- case WM_COMMAND:
- /* Check the control ID, notification code and
- * control handle to see if this is a button click
- * message from our child button. */
- if (LOWORD(wParam) == 1 &&
- HIWORD(wParam) == BN_CLICKED &&
- (HWND) lParam == hwndButton)
- {
- /* Our button was clicked. Close the window. */
- DestroyWindow (hwnd);
- }
- return 0;
- break;
- }
-
- /* If we don't handle a message completely we hand it to the system
- * provided default window function. */
- return DefWindowProc (hwnd, nMsg, wParam, lParam);
-}
-
-
-int STDCALL
-WinMain (HINSTANCE hInst, HINSTANCE hPrev, LPSTR lpCmd, int nShow)
-{
- HWND hwndMain; /* Handle for the main window. */
- MSG msg; /* A Win32 message structure. */
- WNDCLASSEX wndclass; /* A window class structure. */
- char* szMainWndClass = "WinTestWin";
- /* The name of the main window class */
-
- /*
- * First we create a window class for our main window.
- */
-
- /* Initialize the entire structure to zero. */
- memset (&wndclass, 0, sizeof(WNDCLASSEX));
-
- /* This class is called WinTestWin */
- wndclass.lpszClassName = szMainWndClass;
-
- /* cbSize gives the size of the structure for extensibility. */
- wndclass.cbSize = sizeof(WNDCLASSEX);
-
- /* All windows of this class redraw when resized. */
- wndclass.style = CS_HREDRAW | CS_VREDRAW;
-
- /* All windows of this class use the MainWndProc window function. */
- wndclass.lpfnWndProc = MainWndProc;
-
- /* This class is used with the current program instance. */
- wndclass.hInstance = hInst;
-
- /* Use standard application icon and arrow cursor provided by the OS */
- wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION);
- wndclass.hIconSm = LoadIcon (NULL, IDI_APPLICATION);
- wndclass.hCursor = LoadCursor (NULL, IDC_ARROW);
-
- /* Color the background white */
- wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH);
-
- /*
- * Now register the window class for use.
- */
- RegisterClassEx (&wndclass);
-
- /*
- * Create our main window using that window class.
- */
- hwndMain = CreateWindow (
- szMainWndClass, /* Class name */
- "Hello", /* Caption */
- WS_OVERLAPPEDWINDOW, /* Style */
- CW_USEDEFAULT, /* Initial x (use default) */
- CW_USEDEFAULT, /* Initial y (use default) */
- CW_USEDEFAULT, /* Initial x size (use default) */
- CW_USEDEFAULT, /* Initial y size (use default) */
- NULL, /* No parent window */
- NULL, /* No menu */
- hInst, /* This program instance */
- NULL /* Creation parameters */
- );
-
- /*
- * Display the window which we just created (using the nShow
- * passed by the OS, which allows for start minimized and that
- * sort of thing).
- */
- ShowWindow (hwndMain, nShow);
- UpdateWindow (hwndMain);
-
- /*
- * The main message loop. All messages being sent to the windows
- * of the application (or at least the primary thread) are retrieved
- * by the GetMessage call, then translated (mainly for keyboard
- * messages) and dispatched to the appropriate window procedure.
- * This is the simplest kind of message loop. More complex loops
- * are required for idle processing or handling modeless dialog
- * boxes. When one of the windows calls PostQuitMessage GetMessage
- * will return zero and the wParam of the message will be filled
- * with the argument to PostQuitMessage. The loop will end and
- * the application will close.
- */
- while (GetMessage (&msg, NULL, 0, 0))
- {
- TranslateMessage (&msg);
- DispatchMessage (&msg);
- }
- return msg.wParam;
-}
-
+/* + * A basic example of Win32 programming in C. + * + * This source code is in the PUBLIC DOMAIN and has NO WARRANTY. + * + * Colin Peters <colin@bird.fu.is.saga-u.ac.jp> + */ + +#include <windows.h> +#include <string.h> + +/* + * This is the window function for the main window. Whenever a message is + * dispatched using DispatchMessage (or sent with SendMessage) this function + * gets called with the contents of the message. + */ +LRESULT CALLBACK +MainWndProc (HWND hwnd, UINT nMsg, WPARAM wParam, LPARAM lParam) +{ + /* The window handle for the "Click Me" button. */ + static HWND hwndButton = 0; + static int cx, cy; /* Height and width of our button. */ + + HDC hdc; /* A device context used for drawing */ + PAINTSTRUCT ps; /* Also used during window drawing */ + RECT rc; /* A rectangle used during drawing */ + + /* + * Perform processing based on what kind of message we got. + */ + switch (nMsg) + { + case WM_CREATE: + { + /* The window is being created. Create our button + * window now. */ + TEXTMETRIC tm; + + /* First we use the system fixed font size to choose + * a nice button size. */ + hdc = GetDC (hwnd); + SelectObject (hdc, GetStockObject (SYSTEM_FIXED_FONT)); + GetTextMetrics (hdc, &tm); + cx = tm.tmAveCharWidth * 30; + cy = (tm.tmHeight + tm.tmExternalLeading) * 2; + ReleaseDC (hwnd, hdc); + + /* Now create the button */ + hwndButton = CreateWindow ( + "button", /* Builtin button class */ + "Click Here", + WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON, + 0, 0, cx, cy, + hwnd, /* Parent is this window. */ + (HMENU) 1, /* Control ID: 1 */ + ((LPCREATESTRUCT) lParam)->hInstance, + NULL + ); + + return 0; + break; + } + + case WM_DESTROY: + /* The window is being destroyed, close the application + * (the child button gets destroyed automatically). */ + PostQuitMessage (0); + return 0; + break; + + case WM_PAINT: + /* The window needs to be painted (redrawn). */ + hdc = BeginPaint (hwnd, &ps); + GetClientRect (hwnd, &rc); + + /* Draw "Hello, World" in the middle of the upper + * half of the window. */ + rc.bottom = rc.bottom / 2; + DrawText (hdc, "Hello, World", -1, &rc, + DT_SINGLELINE | DT_CENTER | DT_VCENTER); + + EndPaint (hwnd, &ps); + return 0; + break; + + case WM_SIZE: + /* The window size is changing. If the button exists + * then place it in the center of the bottom half of + * the window. */ + if (hwndButton && + (wParam == SIZEFULLSCREEN || + wParam == SIZENORMAL) + ) + { + rc.left = (LOWORD(lParam) - cx) / 2; + rc.top = HIWORD(lParam) * 3 / 4 - cy / 2; + MoveWindow ( + hwndButton, + rc.left, rc.top, cx, cy, TRUE); + } + break; + + case WM_COMMAND: + /* Check the control ID, notification code and + * control handle to see if this is a button click + * message from our child button. */ + if (LOWORD(wParam) == 1 && + HIWORD(wParam) == BN_CLICKED && + (HWND) lParam == hwndButton) + { + /* Our button was clicked. Close the window. */ + DestroyWindow (hwnd); + } + return 0; + break; + } + + /* If we don't handle a message completely we hand it to the system + * provided default window function. */ + return DefWindowProc (hwnd, nMsg, wParam, lParam); +} + + +int STDCALL +WinMain (HINSTANCE hInst, HINSTANCE hPrev, LPSTR lpCmd, int nShow) +{ + HWND hwndMain; /* Handle for the main window. */ + MSG msg; /* A Win32 message structure. */ + WNDCLASSEX wndclass; /* A window class structure. */ + char* szMainWndClass = "WinTestWin"; + /* The name of the main window class */ + + /* + * First we create a window class for our main window. + */ + + /* Initialize the entire structure to zero. */ + memset (&wndclass, 0, sizeof(WNDCLASSEX)); + + /* This class is called WinTestWin */ + wndclass.lpszClassName = szMainWndClass; + + /* cbSize gives the size of the structure for extensibility. */ + wndclass.cbSize = sizeof(WNDCLASSEX); + + /* All windows of this class redraw when resized. */ + wndclass.style = CS_HREDRAW | CS_VREDRAW; + + /* All windows of this class use the MainWndProc window function. */ + wndclass.lpfnWndProc = MainWndProc; + + /* This class is used with the current program instance. */ + wndclass.hInstance = hInst; + + /* Use standard application icon and arrow cursor provided by the OS */ + wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION); + wndclass.hIconSm = LoadIcon (NULL, IDI_APPLICATION); + wndclass.hCursor = LoadCursor (NULL, IDC_ARROW); + + /* Color the background white */ + wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH); + + /* + * Now register the window class for use. + */ + RegisterClassEx (&wndclass); + + /* + * Create our main window using that window class. + */ + hwndMain = CreateWindow ( + szMainWndClass, /* Class name */ + "Hello", /* Caption */ + WS_OVERLAPPEDWINDOW, /* Style */ + CW_USEDEFAULT, /* Initial x (use default) */ + CW_USEDEFAULT, /* Initial y (use default) */ + CW_USEDEFAULT, /* Initial x size (use default) */ + CW_USEDEFAULT, /* Initial y size (use default) */ + NULL, /* No parent window */ + NULL, /* No menu */ + hInst, /* This program instance */ + NULL /* Creation parameters */ + ); + + /* + * Display the window which we just created (using the nShow + * passed by the OS, which allows for start minimized and that + * sort of thing). + */ + ShowWindow (hwndMain, nShow); + UpdateWindow (hwndMain); + + /* + * The main message loop. All messages being sent to the windows + * of the application (or at least the primary thread) are retrieved + * by the GetMessage call, then translated (mainly for keyboard + * messages) and dispatched to the appropriate window procedure. + * This is the simplest kind of message loop. More complex loops + * are required for idle processing or handling modeless dialog + * boxes. When one of the windows calls PostQuitMessage GetMessage + * will return zero and the wParam of the message will be filled + * with the argument to PostQuitMessage. The loop will end and + * the application will close. + */ + while (GetMessage (&msg, NULL, 0, 0)) + { + TranslateMessage (&msg); + DispatchMessage (&msg); + } + return msg.wParam; +} + |