/* check if can open a handle to the spaceball, load the driver functions
and start receiving input from the spaceball */
int SPW_CheckForSpaceballWin32(void * win)
{
char classname[25];
SiOpenData oData;
if (Spw_DeviceHandle == SI_NO_HANDLE) {
if (SiInitialize() != SPW_DLL_LOAD_ERROR) {
GetClassName((HWND)win, classname, sizeof(classname));
SiOpenWinInit(&oData, (HWND)win);
Spw_DeviceHandle = SiOpen(classname, SI_ANY_DEVICE, SI_NO_MASK, SI_EVENT, &oData);
if (Spw_DeviceHandle != SI_NO_HANDLE) {
SiSetUiMode(Spw_DeviceHandle, SI_UI_ALL_CONTROLS);
return TRUE;
}
else {
SiTerminate();
return FALSE;
}
}
else return FALSE;
}
else return TRUE;
}
/*--------------------------------------------------------------------------
* Function: SbInit()
*
* Description:
* This function initializes the Spaceball and opens ball for use.
*
*
* Args: None
*
*
* Return Value:
* int res result of SiOpen, =0 if Fail =1 if it Works
*
*--------------------------------------------------------------------------*/
int
SbInit()
{
int res; /* result of SiOpen, to be returned */
SiOpenData oData; /* OS Independent data to open ball */
/*init the SpaceWare input library */
if (SiInitialize() == SPW_DLL_LOAD_ERROR)
{
MessageBox(hWndMain,"Error: Could not load SiAppDll dll files",
NULL, MB_ICONEXCLAMATION);
}
SiOpenWinInit (&oData, hWndMain); /* init Win. platform specific data */
SiSetUiMode(devHdl, SI_UI_ALL_CONTROLS); /* Config SoftButton Win Display */
/* open data, which will check for device type and return the device handle
to be used by this function */
if ( (devHdl = SiOpen ("sbtest32", SI_ANY_DEVICE, SI_NO_MASK,
SI_EVENT, &oData)) == NULL)
{
SiTerminate(); /* called to shut down the SpaceWare input library */
res = 0; /* could not open device */
return res;
}
else
{
res = 1; /* opened device succesfully */
return res;
}
}
// SpaceBallConfig_Activate():
XCALL_ (int) SpaceBallConfig_Activate( long version, GlobalFunc *global,
void *local, void *serverData ) {
if( version != LWLAYOUTGENERIC_VERSION )
return AFUNC_BADVERSION;
SiSetUiMode(hdl, SI_UI_ALL_CONTROLS);
return AFUNC_OK;
}
void InitializeSpaceball(SPW_WINPARAM dpy,
SPW_WINDOW win,
SiSpwHandlers *DspHandlers,
SpaceballControlStruct *scs)
{
#ifdef OS_WIN32
SiOpenData oData;
if (SiInitialize() == SPW_DLL_LOAD_ERROR)
{
MessageBox(NULL,"Error: Could not load SiAppDll dll files",
NULL, MB_ICONEXCLAMATION);
}
SiOpenWinInit (&oData, win);
if (!(scs->devHdl = SiOpen ("Widget World", SI_ANY_DEVICE, SI_NO_MASK,
SI_EVENT, &oData)))
{
SiTerminate();
MessageBox( win, "Sorry - No supported Spacetec IMC device available.\n",
NULL, MB_OK );
if (win)
DestroyWindow(win);
ExitProcess(1);
}
SiSetUiMode(scs->devHdl, SI_UI_ALL_CONTROLS);
#else /* X11 */
if (!SPW_InputCheckForSpaceball(dpy, win, "Widget World"))
{
printf ("Sorry - No Spaceball found.\n");
exit(0);
}
#endif
DspHandlers->button.func = SbButtonEvent;
DspHandlers->motion.func = SbMotionEvent;
DspHandlers->zero.func = SbMotionEvent;
DspHandlers->exception.func = NULL;
DspHandlers->button.data = (void *)(scs);
DspHandlers->motion.data = (void *)(scs);
DspHandlers->zero.data = (void *)(scs);
DspHandlers->exception.data = NULL;
#ifndef OS_WIN32
spw_dispatch->display = dpy;
spw_dispatch->spwbw = NULL;
#endif
} /* end of InitializeSpaceball */
// SpaceBall_Create():
LWInstance SpaceBall_Create( void *data, void *context, LWError *error ) {
// Check for LWSN; if so, exit now
unsigned long sysid = ( unsigned long )global( LWSYSTEMID_GLOBAL, GFUSE_TRANSIENT );
if( (sysid & LWSYS_TYPEBITS) != LWSYS_LAYOUT )
return &instance_count;
if( instance_count > 0 ) {
*error = "SpaceBall Error: Only one instance of the driver can be activate at a time";
return NULL;
}
instance_count++;
// Get some globals
command = (LWCommandFunc *)global( "LW Command Interface", GFUSE_ACQUIRE );
instance_update = (LWInstUpdate *)global( LWINSTUPDATE_GLOBAL, GFUSE_ACQUIRE );
hdi = (HostDisplayInfo *)global( LWHOSTDISPLAYINFO_GLOBAL, GFUSE_ACQUIRE );
message = (LWMessageFuncs *)global( LWMESSAGEFUNCS_GLOBAL, GFUSE_ACQUIRE );
// Hijack Layout's window function
orig_window_proc = (WNDPROC)SetWindowLong( hdi->window, GWL_WNDPROC, (long)SpaceBallWindowProc );
// Load Settings
LoadSettings();
// Initialize the SpaceBall drivers
SiInitialize();
SiOpenWinInit (&oData, hdi->window);
SiSetUiMode(hdl, (open_config_on_startup ? SI_UI_ALL_CONTROLS : SI_UI_NO_CONTROLS ) );
hdl = SiOpen ("Lightwave 3D (Layout)", SI_ANY_DEVICE, SI_NO_MASK, SI_EVENT, &oData);
if( hdl == SI_NO_HANDLE) {
SpaceBall_End();
*error = "SpaceBall Error: Couldn't open spaceball drivers";
return NULL;
}
error = NULL;
return &instance_count;
}
// Windows code to talk to Spaceball device
static void vmd_setupwin32spaceball(wgldata *glwsrv) {
SiOpenData oData;
enum SpwRetVal res;
// init the sball pointer to NULL by default, used to determine if we
// had a healthy init later on.
glwsrv->sball = NULL;
switch (SiInitialize()) {
case SPW_NO_ERROR:
break;
case SPW_DLL_LOAD_ERROR:
msgInfo << "Spaceball driver not installed. Spaceball interface disabled." << sendmsg;
return;
default:
msgInfo << "Spaceball did not initialize properly. Spaceball interface disabled." << sendmsg;
return;
}
SiOpenWinInit(&oData, glwsrv->hWnd); // init win platform data
SiSetUiMode(glwsrv->sball, SI_UI_ALL_CONTROLS); // config softbutton display
// actually start a connection to the device now that the UI mode
// and window system data are setup.
glwsrv->sball = SiOpen("VMD", SI_ANY_DEVICE, SI_NO_MASK, SI_EVENT, &oData);
if ((glwsrv->sball == NULL) || (glwsrv->sball == SI_NO_HANDLE)) {
SiTerminate(); // shutdown spaceware input library
msgInfo << "Spaceball is unresponsive. Spaceball interface disabled." << sendmsg;
glwsrv->sball = NULL; // NULL out the handle for sure.
return;
}
res = SiBeep(glwsrv->sball, "CcCc"); // beep the spaceball
if ((glwsrv->sball != NULL) && (glwsrv->sball != SI_NO_HANDLE))
msgInfo << "Spaceball found, software interface initialized." << sendmsg;
}
//-----------------------------------------------------------------------------
// Entry point into the program.
//-----------------------------------------------------------------------------
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPSTR lpCmdLine, INT nCmdShow)
{
Instance = hInstance;
InitCommonControls();
// A monospaced font
FixedFont = CreateFont(SS.TW.CHAR_HEIGHT, SS.TW.CHAR_WIDTH, 0, 0,
FW_REGULAR, false,
false, false, ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY, FF_DONTCARE, "Lucida Console");
if(!FixedFont)
FixedFont = (HFONT)GetStockObject(SYSTEM_FONT);
// Create the root windows: one for control, with text, and one for
// the graphics
CreateMainWindows();
ThawWindowPos(TextWnd);
ThawWindowPos(GraphicsWnd);
ShowWindow(TextWnd, SW_SHOWNOACTIVATE);
ShowWindow(GraphicsWnd, SW_SHOW);
glClearColor(0, 0, 0, 1);
glClear(GL_COLOR_BUFFER_BIT);
SwapBuffers(GetDC(GraphicsWnd));
glClearColor(0, 0, 0, 1);
glClear(GL_COLOR_BUFFER_BIT);
SwapBuffers(GetDC(GraphicsWnd));
// Create the heaps for all dynamic memory (AllocTemporary, MemAlloc)
InitHeaps();
// A filename may have been specified on the command line; if so, then
// strip any quotation marks, and make it absolute.
char file[MAX_PATH] = "";
if(strlen(lpCmdLine)+1 < MAX_PATH) {
char *s = lpCmdLine;
while(*s == ' ' || *s == '"') s++;
strcpy(file, s);
s = strrchr(file, '"');
if(s) *s = '\0';
}
if(*file != '\0') {
GetAbsoluteFilename(file);
}
#ifdef HAVE_SPACEWARE
// Initialize the SpaceBall, if present. Test if the driver is running
// first, to avoid a long timeout if it's not.
HWND swdc = FindWindow("SpaceWare Driver Class", NULL);
if(swdc != NULL) {
SiOpenData sod;
SiInitialize();
SiOpenWinInit(&sod, GraphicsWnd);
SpaceNavigator =
SiOpen("GraphicsWnd", SI_ANY_DEVICE, SI_NO_MASK, SI_EVENT, &sod);
SiSetUiMode(SpaceNavigator, SI_UI_NO_CONTROLS);
}
#endif
// Call in to the platform-independent code, and let them do their init
SS.Init();
if(strcmp(file, ""))
SS.OpenFile(file);
// And now it's the message loop. All calls in to the rest of the code
// will be from the wndprocs.
MSG msg;
DWORD ret;
while((ret = GetMessage(&msg, NULL, 0, 0)) != 0) {
#ifdef HAVE_SPACEWARE
// Is it a message from the six degree of freedom input device?
if(ProcessSpaceNavigatorMsg(&msg)) goto done;
#endif
// A message from the keyboard, which should be processed as a keyboard
// accelerator?
if(msg.message == WM_KEYDOWN) {
if(ProcessKeyDown(msg.wParam)) goto done;
}
if(msg.message == WM_SYSKEYDOWN && msg.hwnd == TextWnd) {
// If the user presses the Alt key when the text window has focus,
// then that should probably go to the graphics window instead.
SetForegroundWindow(GraphicsWnd);
}
// None of the above; so just a normal message to process.
TranslateMessage(&msg);
DispatchMessage(&msg);
done:
SS.DoLater();
}
#ifdef HAVE_SPACEWARE
if(swdc != NULL) {
if(SpaceNavigator != SI_NO_HANDLE) SiClose(SpaceNavigator);
SiTerminate();
}
#endif
// Write everything back to the registry
FreezeWindowPos(TextWnd);
FreezeWindowPos(GraphicsWnd);
// Free the memory we've used; anything that remains is a leak.
SK.Clear();
SS.Clear();
return 0;
}