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Tricks of the Windows Gam…ming Gurus (2nd Edition)
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Disc2.iso
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msdn_vcb
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samples
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spincube
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spintest.c
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C/C++ Source or Header
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1997-10-05
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8KB
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266 lines
/******************************************************************************\
*
* PROGRAM: SPINTEST.C
*
* PURPOSE: Demonstrates the use of the SPINCUBE custom control.
*
* FUNCTIONS: WinMain - standard stuff; also loads the
* SPINCUBE.DLL and creates a couple
* of spincube controls.
* MainWndProc - generic window procedure.
* SpintestDlgProc- generic dialog procedure.
* AboutDlgProc - processes about dialog messages
*
* Microsoft Developer Support
* Copyright (c) 1992-1997 Microsoft Corporation
*
\******************************************************************************/
#include <windows.h>
#include <stdio.h>
#include "spintest.h"
//
// The exported variables from SPINCUBE.C.
//
// Although pointers to these vars are actually exported,
// the compiler will take care of that for us.
//
extern int __declspec(dllimport) giNumSpincubesThisProcess;
extern int __declspec(dllimport) giNumSpincubesAllProcesses;
//
// function prototype for looking up string resources
//
LPTSTR GetStringRes (int);
/******************************************************************************\
*
* FUNCTION: WinMain (standard WinMain INPUTS/RETURNS)
*
\******************************************************************************/
int WINAPI WinMain (HINSTANCE hInstance,HINSTANCE hPrevInstance, LPSTR lpCmdLine,
int nCmdShow)
{
WNDCLASS wc;
HWND hwnd;
MSG msg;
RECT rect;
WORD i;
wc.style = 0;
wc.lpfnWndProc = (WNDPROC) MainWndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon (hInstance, "spintesticon");
wc.hCursor = LoadCursor (NULL, IDC_ARROW);
wc.hbrBackground = GetStockObject (WHITE_BRUSH);
wc.lpszMenuName = (LPSTR) "Menu";
wc.lpszClassName = (LPSTR) "Main";
if (!RegisterClass (&wc))
{
MessageBox (NULL,
GetStringRes (IDS_REGCLASSFAIL),
"SPINTEST", MB_OK | MB_ICONEXCLAMATION);
return(FALSE);
}
ghInst = hInstance;
if (!(hwnd = CreateWindow ("Main",
GetStringRes (IDS_WINDOWTITLE),
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, ghInst, NULL)))
return 0;
//
// Create a couple of SpinCube custom controls, we'll size them later in
// the WM_SIZE message handler
//
for (i = 0; i < 4; i++)
gahwndSpin[i] = CreateWindow ("Spincube", "",
WS_VISIBLE | WS_CHILD |
SS_INMOTION | SS_ERASE,
0, 0, 0, 0, hwnd, NULL, NULL, NULL);
//
// Delete the SS_ERASE to the 1st & 4th controls so we get the
// trailing cubes effect.
//
SetWindowLong (gahwndSpin[0], GWL_STYLE,
GetWindowLong (gahwndSpin[0], GWL_STYLE) & ~ SS_ERASE);
SetWindowLong (gahwndSpin[3], GWL_STYLE,
GetWindowLong (gahwndSpin[3], GWL_STYLE) & ~ SS_ERASE);
//
// Send ourself a WM_SIZE so the controls will get sized appropriately
//
GetClientRect (hwnd, &rect);
SendMessage (hwnd, WM_SIZE, 0,
MAKELONG((WORD)rect.right,(WORD)rect.bottom));
ShowWindow (hwnd, nCmdShow);
while (GetMessage (&msg, NULL, 0, 0))
{
TranslateMessage (&msg);
DispatchMessage (&msg);
}
return (msg.wParam);
}
/******************************************************************************\
*
* FUNCTION: MainWndProc (standard window procedure INPUTS/RETURNS)
*
\******************************************************************************/
LRESULT CALLBACK MainWndProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch (msg)
{
case WM_COMMAND:
switch (LOWORD(wParam))
{
case IDM_DLGEDITDIALOG:
DialogBox (ghInst, (LPCTSTR) "SpintestDlg", hwnd, (DLGPROC) DlgProc);
break;
case IDM_SPINTESTSTATS:
DialogBox (ghInst, (LPCTSTR) "Stats", hwnd, (DLGPROC) DlgProc);
break;
case IDM_ABOUT:
DialogBox (ghInst, (LPCTSTR)"About", hwnd, (DLGPROC) DlgProc);
break;
}
break;
case WM_SIZE:
{
//
// Resize the controls such that each cover half the client area
// (plus a little border).
//
int width = (int) LOWORD(lParam);
int height = (int) HIWORD(lParam);
SetWindowPos (gahwndSpin[0], NULL,
BORDER, BORDER,
width/2 - BORDER, height/2 - BORDER,
SWP_SHOWWINDOW);
SetWindowPos (gahwndSpin[1], NULL,
width/2 + BORDER, BORDER,
width/2 - 2*BORDER, height/2 - BORDER,
SWP_SHOWWINDOW);
SetWindowPos (gahwndSpin[2], NULL,
BORDER, height/2 + BORDER,
width/2 - BORDER, height/2 - 2*BORDER,
SWP_SHOWWINDOW);
SetWindowPos (gahwndSpin[3], NULL,
width/2 + BORDER, height/2 + BORDER,
width/2 - 2*BORDER, height/2 - 2*BORDER,
SWP_SHOWWINDOW);
break;
}
case WM_DESTROY:
PostQuitMessage (0);
break;
default:
return (DefWindowProc (hwnd, msg, wParam, lParam));
}
return 0;
}
/******************************************************************************\
*
* FUNCTION: DlgProc (standard dialog procedure INPUTS/RETURNS)
*
* COMMENTS: Our common dlg proc (why have 3 that do the same thing???)
*
\******************************************************************************/
LRESULT CALLBACK DlgProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_INITDIALOG:
//
// If this dlg the "Stats" dlg fill in the appropriate fields.
// If not these calls will just fail.
//
// If the references to the giNum* vars are commented out &
// the program gets rebuilt don't be surprised if no spincubes
// appear- since no references to spincube.lib the linker will
// infer that it is not needed, & will not cause it to get
// loaded. You'll need to make a call to LoadLibrary ("SPINCUBE.DLL")
// prior to calling CreateWindow ("SPINCUBE"...).
//
SetDlgItemInt (hwnd, 500, giNumSpincubesThisProcess, TRUE);
SetDlgItemInt (hwnd, 501, giNumSpincubesAllProcesses, TRUE);
return (TRUE);
case WM_COMMAND:
if (LOWORD(wParam) == IDOK)
EndDialog (hwnd, TRUE);
return (TRUE);
}
return (FALSE);
}
/******************************************************************************\
*
* FUNCTION: GetStringRes (int id INPUT ONLY)
*
* COMMENTS: Load the resource string with the ID given, and return a
* pointer to it. Notice that the buffer is common memory so
* the string must be used before this call is made a second time.
*
\******************************************************************************/
LPTSTR GetStringRes (int id)
{
static TCHAR buffer[MAX_PATH];
buffer[0]=0;
LoadString (GetModuleHandle (NULL), id, buffer, MAX_PATH);
return buffer;
}