srvnet.c

eCos操作系统源码

{
	nxArcAngleReq *req = r;

	GrArcAngle(req->drawid, req->gcid, req->x, req->y, req->rx, req->ry,
		req->angle1, req->angle2, req->type);
}

static void
GrSetGCForegroundWrapper(void *r)
{
	nxSetGCForegroundReq *req = r;

	GrSetGCForeground(req->gcid, req->color);
}

static void
GrSetGCBackgroundWrapper(void *r)
{
	nxSetGCBackgroundReq *req = r;

	GrSetGCBackground(req->gcid, req->color);
}

static void
GrSetGCUseBackgroundWrapper(void *r)
{
	nxSetGCUseBackgroundReq *req = r;

	GrSetGCUseBackground(req->gcid, req->flag);
}

static void
GrSetGCModeWrapper(void *r)
{
	nxSetGCModeReq *req = r;

	GrSetGCMode(req->gcid, req->mode);
}

static void
GrCreateFontWrapper(void *r)
{
	nxCreateFontReq *req = r;
	GR_FONT_ID 	fontid;

	if(req->lf_used)
		fontid = GrCreateFont(NULL, 0, &req->lf);
	else
		fontid = GrCreateFont(req->lf.lfFaceName, req->height, NULL);

	GsWriteType(current_fd,GrNumCreateFont);
	GsWrite(current_fd, &fontid, sizeof(fontid));
}

static void
GrSetFontSizeWrapper(void *r)
{
	nxSetFontSizeReq *req = r;

 	GrSetFontSize(req->fontid, req->fontsize);
}

static void
GrSetFontRotationWrapper(void *r)
{
	nxSetFontRotationReq *req = r;

 	GrSetFontRotation(req->fontid, req->tenthdegrees);
}

static void
GrSetFontAttrWrapper(void *r)
{
	nxSetFontAttrReq *req = r;

 	GrSetFontAttr(req->fontid, req->setflags, req->clrflags);
}

static void
GrDestroyFontWrapper(void *r)
{
	nxDestroyFontReq *req = r;

	GrDestroyFont(req->fontid);
}

static void
GrSetGCFontWrapper(void *r)
{
	nxSetGCFontReq *req = r;

	GrSetGCFont(req->gcid, req->fontid);
}

static void
GrGetGCTextSizeWrapper(void *r)
{
	nxGetGCTextSizeReq *req = r;
	GR_SIZE             retwidth, retheight, retbase;

	GrGetGCTextSize(req->gcid, GetReqData(req), GetReqVarLen(req),
		req->flags, &retwidth, &retheight, &retbase);

 	GsWriteType(current_fd,GrNumGetGCTextSize);
	GsWrite(current_fd, &retwidth, sizeof(retwidth));
	GsWrite(current_fd, &retheight, sizeof(retheight));
	GsWrite(current_fd, &retbase, sizeof(retbase));
}

/* FIXME: fails with size > 64k if sizeof(int) == 2*/
static void
GsReadAreaWrapper(void *r)
{
	nxReadAreaReq *req = r;
	int            size;
	GR_PIXELVAL *   area;

	/* FIXME: optimize for smaller pixelvals*/
	size = req->width * req->height * sizeof(GR_PIXELVAL);

	if(!(area = malloc(size))) {
		/*GsPutCh(current_fd, GrRetENoMem);*/ /* FIXME*/
		/*return;*/
	}

	GrReadArea(req->drawid, req->x, req->y, req->width, req->height, area);
	GsWriteType(current_fd,GrNumReadArea);
	GsWrite(current_fd, area, size);
	free(area);
}

/* FIXME: fails with size > 64k if sizeof(int) == 2*/
static void
GrAreaWrapper(void *r)
{
	nxAreaReq *req = r;

	GrArea(req->drawid, req->gcid, req->x, req->y, req->width, req->height,
		GetReqData(req), req->pixtype);
}

/* FIXME: fails with bitmapsize > 64k if sizeof(int) == 2*/
static void
GrBitmapWrapper(void *r)
{
	nxBitmapReq *req = r;

	GrBitmap(req->drawid, req->gcid, req->x, req->y, req->width,
		req->height, GetReqData(req));
}

static void
GrDrawImageBitsWrapper(void *r)
{
	nxDrawImageBitsReq *req = r;
	char *		    addr;
	int		    imagesize;
	GR_IMAGE_HDR	    hdr;

	hdr.width = req->width;
	hdr.height = req->height;
	hdr.planes = req->planes;
	hdr.bpp = req->bpp;
	hdr.pitch = req->pitch;
	hdr.bytesperpixel = req->bytesperpixel;
	hdr.compression = req->compression;
	hdr.palsize = req->palsize;
	hdr.transcolor = req->transcolor;
	addr = GetReqData(req);
	hdr.imagebits = (MWUCHAR *)addr;
	imagesize = hdr.pitch * hdr.height;
	hdr.palette = (MWPALENTRY *)(addr + imagesize);
	GrDrawImageBits(req->drawid, req->gcid, req->x, req->y, &hdr);
}

static void
GrCopyAreaWrapper(void *r)
{
	nxCopyAreaReq *req = r;

	GrCopyArea(req->drawid, req->gcid, req->x, req->y, req->width, req->height,
		req->srcid, req->srcx, req->srcy, req->op);
}

static void
GrTextWrapper(void *r)
{
	nxTextReq *req = r;

	GrText(req->drawid, req->gcid, req->x, req->y, GetReqData(req),
		req->count, req->flags);
}

static void
GrNewCursorWrapper(void *r)
{
	nxNewCursorReq *req = r;
	int		varlen;
	char *          bitmap;
	GR_CURSOR_ID	cursorid;

	varlen = GetReqVarLen(req);
	bitmap = GetReqData(req);

	cursorid = GrNewCursor(req->width, req->height,
		req->hotx, req->hoty, req->fgcolor, req->bgcolor,
		(GR_BITMAP *)bitmap, (GR_BITMAP *)(bitmap+varlen/2));

	GsWriteType(current_fd, GrNumNewCursor);
	GsWrite(current_fd, &cursorid, sizeof(cursorid));
}

static void
GrMoveCursorWrapper(void *r)
{
	nxMoveCursorReq *req = r;

	GrMoveCursor(req->x, req->y);
}

static void
GrGetSystemPaletteWrapper(void *r)
{
	GR_PALETTE             pal;

	GrGetSystemPalette(&pal);
	GsWriteType(current_fd,GrNumGetSystemPalette);
	GsWrite(current_fd, &pal, sizeof(pal));
}

static void
GrSetSystemPaletteWrapper(void *r)
{
	nxSetSystemPaletteReq *req = r;
	GR_PALETTE	       pal;

	pal.count = req->count;
	memcpy(pal.palette, req->palette, sizeof(pal.palette));
	GrSetSystemPalette(req->first, &pal);
}

static void
GrFindColorWrapper(void *r)
{
	nxFindColorReq *req = r;
	GR_PIXELVAL	pixel;

	GrFindColor(req->color, &pixel);
	GsWriteType(current_fd,GrNumFindColor);
	GsWrite(current_fd, &pixel, sizeof(pixel));
}

static void
GrInjectEventWrapper(void *r)
{
	nxInjectEventReq *req = r;

	switch(req->event_type) {
	case GR_INJECT_EVENT_POINTER:
		GrInjectPointerEvent(req->event.pointer.x,
				     req->event.pointer.y,
				     req->event.pointer.button,
				     req->event.pointer.visible);
		break;

	case GR_INJECT_EVENT_KEYBOARD:
		GrInjectKeyboardEvent(req->event.keyboard.wid,
				      req->event.keyboard.keyvalue,
				      req->event.keyboard.modifier,
				      req->event.keyboard.scancode,
				      req->event.keyboard.pressed);
		break;
	}
}

static void
GrSetWMPropertiesWrapper(void *r)
{
	nxSetWMPropertiesReq *req = r;
	GR_WM_PROPERTIES *props = GetReqData(req);

	if(GetReqVarLen(req) - sizeof(GR_WM_PROPERTIES)) 
		props->title = (char *)props + sizeof(GR_WM_PROPERTIES);
	else
		props->title = NULL;
	GrSetWMProperties(req->windowid, props);
}

static void
GrGetWMPropertiesWrapper(void *r)
{
	nxGetWMPropertiesReq *req = r;
	UINT16 textlen;
	GR_WM_PROPERTIES props;
	
	GrGetWMProperties(req->windowid, &props);

	if(props.title)
		textlen = strlen(props.title) + 1;
	else textlen = 0;

	GsWriteType(current_fd,GrNumGetWMProperties);
	GsWrite(current_fd, &props, sizeof(props));
	GsWrite(current_fd, &textlen, sizeof(textlen));
	if(textlen)
		GsWrite(current_fd, props.title, textlen);
}

static void
GrCloseWindowWrapper(void *r)
{
	nxCloseWindowReq *req = r;

	GrCloseWindow(req->windowid);
}

static void
GrKillWindowWrapper(void *r)
{
	nxKillWindowReq *req = r;

	GrKillWindow(req->windowid);
}

static void
GrDrawImageFromFileWrapper(void *r)
{
	nxDrawImageFromFileReq *req = r;

	GrDrawImageFromFile(req->drawid, req->gcid, req->x, req->y, req->width,
		req->height, GetReqData(req), req->flags);
}

static void
GrLoadImageFromFileWrapper(void *r)
{
	nxLoadImageFromFileReq *req = r;
	GR_IMAGE_ID		id;

	id = GrLoadImageFromFile(GetReqData(req), req->flags);
	GsWriteType(current_fd, GrNumLoadImageFromFile);
	GsWrite(current_fd, &id, sizeof(id));
}

static void
GrDrawImageToFitWrapper(void *r)
{
	nxDrawImageToFitReq *req = r;

	GrDrawImageToFit(req->drawid, req->gcid, req->x, req->y, req->width,
		req->height, req->imageid);
}

static void
GrFreeImageWrapper(void *r)
{
	nxFreeImageReq *req = r;

	GrFreeImage(req->id);
}

static void
GrGetImageInfoWrapper(void *r)
{
	nxGetImageInfoReq *req = r;
	GR_IMAGE_INFO	   info;

	GrGetImageInfo(req->id, &info);
	GsWriteType(current_fd, GrNumGetImageInfo);
	GsWrite(current_fd, &info, sizeof(info));
}

static void
GrSetScreenSaverTimeoutWrapper(void *r)
{
	nxSetScreenSaverTimeoutReq *req = r;

	GrSetScreenSaverTimeout(req->timeout);
}

static void
GrSetSelectionOwnerWrapper(void *r)
{
	nxSetSelectionOwnerReq *req = r;

	GrSetSelectionOwner(req->wid, GetReqData(req));
}

static void
GrGetSelectionOwnerWrapper(void *r)
{
	GR_CHAR *typelist;
	GR_WINDOW_ID wid;
	unsigned short len;

	wid = GrGetSelectionOwner(&typelist);
	GsWriteType(current_fd, GrNumGetSelectionOwner);
	GsWrite(current_fd, &wid, sizeof(wid));

	if(wid) {
		len = strlen(typelist) + 1;
		GsWrite(current_fd, &len, sizeof(len));
		GsWrite(current_fd, typelist, len);
	}
}

static void
GrRequestClientDataWrapper(void *r)
{
	nxRequestClientDataReq *req = r;

	GrRequestClientData(req->wid, req->rid, req->serial, req->mimetype);
}

static void
GrSendClientDataWrapper(void *r)
{
	nxSendClientDataReq *req = r;

	GrSendClientData(req->wid, req->did, req->serial, req->len,
		GetReqVarLen(req), GetReqData(req));
}

static void
GrBellWrapper(void *r)
{
	GrBell();
}

static void
GrSetBackgroundPixmapWrapper(void *r)
{
	nxSetBackgroundPixmapReq *req = r;

	GrSetBackgroundPixmap(req->wid, req->pixmap, req->flags);
}

static void
GrDestroyCursorWrapper(void *r)
{
	nxDestroyCursorReq *req = r;

	GrDestroyCursor(req->cursorid);
}

static void
GrQueryTreeWrapper(void *r)
{
	nxQueryTreeReq *req = r;
	GR_WINDOW_ID	parentid;
	GR_WINDOW_ID *	children;
	GR_COUNT 	nchildren;

	GrQueryTree(req->windowid, &parentid, &children, &nchildren);

	GsWriteType(current_fd, GrNumQueryTree);
	GsWrite(current_fd, &parentid, sizeof(parentid));
	GsWrite(current_fd, &nchildren, sizeof(nchildren));
	if (nchildren) {
		GsWrite(current_fd, children, nchildren * sizeof(GR_WINDOW_ID));
		free(children);
	}
}

static void
GrCreateTimerWrapper(void *r)
{
    nxCreateTimerReq *req = r;
    GR_TIMER_ID  timerid;

    timerid = GrCreateTimer(req->wid, req->period);

    GsWriteType(current_fd, GrNumCreateTimer);
    GsWrite(current_fd, &timerid, sizeof (timerid));
}

typedef struct image_list {
 void *data;
 int id;
 int size;
 int offset;

 struct image_list *next;
} imagelist_t;

static imagelist_t *imageListHead = 0;
static imagelist_t *imageListTail = 0;
static int imageListId = 0;

static void freeImageBuffer(imagelist_t *buffer) {

 imagelist_t *prev = 0;
 imagelist_t *ptr = imageListHead;

 while(ptr) {
   if (ptr == buffer) {
     if (prev) 
	prev->next = buffer->next;
     else 
	imageListHead = buffer->next;
     
     if (!imageListHead) imageListTail = 0;
     
     free(buffer->data);
     free(buffer);
     return;
   }
   
   prev = ptr;
   ptr = ptr->next;
 }  
}

static void GrImageBufferAllocWrapper(void *r) {
 nxImageBufferAllocReq *req = r;
 
 /* Add a new buffer to the end of the list */

 if (!imageListTail) {
   imageListHead = imageListTail = (imagelist_t *) malloc(sizeof(imagelist_t));
 }
 else {
   imageListTail->next = (imagelist_t *) malloc(sizeof(imagelist_t));
   imageListTail = imageListTail->next;
 }

 imageListTail->id = ++imageListId;
 imageListTail->data = (void *) malloc(req->size);
 imageListTail->size = req->size;
 imageListTail->offset = 0;

 imageListTail->next = 0;

 GsWriteType(current_fd,GrNumImageBufferAlloc);
 GsWrite(current_fd, &imageListTail->id, sizeof(int));
}

static void GrImageBufferSendWrapper(void *r) {

 int csize = 0;

 imagelist_t *buffer = 0;
 nxImageBufferSendReq *req = r;

 for(buffer = imageListHead; buffer; buffer = buffer->next)
   if (buffer->id == req->buffer_id) break;

 if (!buffer) return;

 if (buffer->offset + req->size >= buffer->size) 
   csize = buffer->size - buffer->offset;
 else
   csize = req->size;

 if (!csize) return;

 memcpy((void *) (buffer->data + buffer->offset), 
	 GetReqData(req), csize);
 
 buffer->offset += csize;
}

void GrLoadImageFromBufferWrapper(void *r) {

 GR_IMAGE_ID		id;
 imagelist_t *buffer = 0;

 nxLoadImageFromBufferReq *req = r;
 
 for(buffer = imageListHead; buffer; buffer = buffer->next)
   if (buffer->id == req->buffer) break;
 
 if (!buffer) return;

 id = GrLoadImageFromBuffer(buffer->data, buffer->size, req->flags);

 GsWriteType(current_fd, GrNumLoadImageFromBuffer);
 GsWrite(current_fd, &id, sizeof(id));

 freeImageBuffer(buffer);
}

void GrDrawImageFromBufferWrapper(void *r) {

 imagelist_t *buffer = 0;

 nxDrawImageFromBufferReq *req = r;
 
 for(buffer = imageListHead; buffer; buffer = buffer->next)
   if (buffer->id == req->buffer) break;
 
 if (!buffer) return;

 GrDrawImageFromBuffer(req->drawid, req->gcid, req->x, req->y, req->width, 
			req->height, buffer->data, buffer->size, 
			req->flags);
 
 freeImageBuffer(buffer);
}

 

static void
GrDestroyTimerWrapper(void *r)
{
    nxDestroyTimerReq *req = r;
    
    GrDestroyTimer(req->timerid);
}

static void
GrSetPortraitModeWrapper(void *r)
{
    nxSetPortraitModeReq *req = r;
    
    GrSetPortraitMode(req->portraitmode);
}

/*
 * This function makes the Nano-X server set up a shared memory segment
 * that the client can use when feeding the Nano-X server with requests.
 * There is a corresponding GrShmCmdsFlush function that will make the
 * server execute the batched commands.
 */
#define SHMKEY_BASE 1000000
#define SHMKEY_MAX 256

void
GrReqShmCmdsWrapper(void *r)
{
#if HAVE_SHAREDMEM_SUPPORT
	nxReqShmCmdsReq *req = r;
	int 		key, shmid;
	char 		*tmp;

	if ( curclient->shm_cmds != 0 )
		goto bad;