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/* $XConsortium: sunCursor.c,v 5.17 94/04/01 17:55:24 dpw Exp $ */
/*-
* sunCursor.c --
* Functions for maintaining the Sun software cursor...
*
*/
#define NEED_EVENTS
#include "sun.h"
#ifdef AMOEBA
#undef FBIOGCURMAX /* software cursor only, currently */
#endif
#ifdef FBIOGCURMAX /* has hardware cursor kernel support */
#define GetCursorPrivate(s) (&(GetScreenPrivate(s)->hardwareCursor))
#define SetupCursor(s) sunCursorPtr pCurPriv = GetCursorPrivate(s)
static void sunLoadCursor();
static Bool
sunRealizeCursor (pScreen, pCursor)
ScreenPtr pScreen;
CursorPtr pCursor;
{
SetupCursor(pScreen);
int x, y;
/* miRecolorCursor does this */
if (pCurPriv->pCursor == pCursor)
{
miPointerPosition (&x, &y);
sunLoadCursor (pScreen, pCursor, x, y);
}
return TRUE;
}
static Bool
sunUnrealizeCursor (pScreen, pCursor)
ScreenPtr pScreen;
CursorPtr pCursor;
{
return TRUE;
}
static void
sunCursorRepad (pScreen, bits, src_bits, dst_bits, ptSrc, w, h)
ScreenPtr pScreen;
CursorBitsPtr bits;
unsigned char *src_bits, *dst_bits;
DDXPointPtr ptSrc;
int w, h;
{
SetupCursor(pScreen);
PixmapPtr src, dst;
BoxRec box;
RegionRec rgnDst;
extern int mfbDoBitblt();
if (!(src = GetScratchPixmapHeader(pScreen, bits->width, bits->height,
/*bpp*/ 1, /*depth*/ 1,
PixmapBytePad(bits->width,1), src_bits)))
return;
if (!(dst = GetScratchPixmapHeader(pScreen, w, h, /*bpp*/ 1, /*depth*/ 1,
PixmapBytePad(w,1), dst_bits)))
{
FreeScratchPixmapHeader(src);
return;
}
box.x1 = 0;
box.y1 = 0;
box.x2 = w;
box.y2 = h;
REGION_INIT(pScreen, &rgnDst, &box, 1);
mfbDoBitblt(src, dst, GXcopy, &rgnDst, ptSrc);
REGION_UNINIT(pScreen, &rgnDst);
FreeScratchPixmapHeader(src);
FreeScratchPixmapHeader(dst);
}
static void
sunLoadCursor (pScreen, pCursor, x, y)
ScreenPtr pScreen;
CursorPtr pCursor;
int x, y;
{
SetupCursor(pScreen);
struct fbcursor fbcursor;
int w, h;
unsigned char r[2], g[2], b[2];
DDXPointRec ptSrc;
unsigned char source_temp[1024], mask_temp[1024];
fbcursor.set = FB_CUR_SETALL;
fbcursor.enable = 1;
fbcursor.pos.x = x;
fbcursor.pos.y = y;
fbcursor.hot.x = pCursor->bits->xhot;
fbcursor.hot.y = pCursor->bits->yhot;
r[0] = pCursor->backRed >> 8;
g[0] = pCursor->backGreen >> 8;
b[0] = pCursor->backBlue >> 8;
r[1] = pCursor->foreRed >> 8;
g[1] = pCursor->foreGreen >> 8;
b[1] = pCursor->foreBlue >> 8;
fbcursor.cmap.index = 0;
fbcursor.cmap.count = 2;
fbcursor.cmap.red = r;
fbcursor.cmap.green = g;
fbcursor.cmap.blue = b;
fbcursor.image = (char *) pCursor->bits->source;
fbcursor.mask = (char *) pCursor->bits->mask;
w = pCursor->bits->width;
h = pCursor->bits->height;
if (w > pCurPriv->width || h > pCurPriv->height) {
ptSrc.x = 0;
ptSrc.y = 0;
if (w > pCurPriv->width)
w = pCurPriv->width;
if (h > pCurPriv->height)
h = pCurPriv->height;
sunCursorRepad (pScreen, pCursor->bits, pCursor->bits->source,
source_temp, &ptSrc, w, h);
sunCursorRepad (pScreen, pCursor->bits, pCursor->bits->mask,
mask_temp, &ptSrc, w, h);
fbcursor.image = (char *) source_temp;
fbcursor.mask = (char *) mask_temp;
}
fbcursor.size.x = w;
fbcursor.size.y = h;
(void) ioctl (sunFbs[pScreen->myNum].fd, FBIOSCURSOR, &fbcursor);
}
static void
sunSetCursor (pScreen, pCursor, x, y)
ScreenPtr pScreen;
CursorPtr pCursor;
int x, y;
{
SetupCursor(pScreen);
if (pCursor)
sunLoadCursor (pScreen, pCursor, x, y);
else
sunDisableCursor (pScreen);
pCurPriv->pCursor = pCursor;
}
static void
sunMoveCursor (pScreen, x, y)
ScreenPtr pScreen;
int x, y;
{
SetupCursor(pScreen);
struct fbcurpos pos;
pos.x = x;
pos.y = y;
ioctl (sunFbs[pScreen->myNum].fd, FBIOSCURPOS, &pos);
}
miPointerSpriteFuncRec sunPointerSpriteFuncs = {
sunRealizeCursor,
sunUnrealizeCursor,
sunSetCursor,
sunMoveCursor,
};
static void
sunQueryBestSize (class, pwidth, pheight, pScreen)
int class;
unsigned short *pwidth, *pheight;
ScreenPtr pScreen;
{
SetupCursor (pScreen);
switch (class)
{
case CursorShape:
if (*pwidth > pCurPriv->width)
*pwidth = pCurPriv->width;
if (*pheight > pCurPriv->height)
*pheight = pCurPriv->height;
if (*pwidth > pScreen->width)
*pwidth = pScreen->width;
if (*pheight > pScreen->height)
*pheight = pScreen->height;
break;
default:
mfbQueryBestSize (class, pwidth, pheight, pScreen);
break;
}
}
extern miPointerScreenFuncRec sunPointerScreenFuncs;
#endif
#if NeedFunctionPrototypes
Bool sunCursorInitialize (
ScreenPtr pScreen)
#else
Bool sunCursorInitialize (pScreen)
ScreenPtr pScreen;
#endif
{
#ifdef FBIOGCURMAX
SetupCursor (pScreen);
struct fbcurpos maxsize;
pCurPriv->has_cursor = FALSE;
if (ioctl (sunFbs[pScreen->myNum].fd, FBIOGCURMAX, &maxsize) == -1)
return FALSE;
pCurPriv->width = maxsize.x;
pCurPriv->height= maxsize.y;
pScreen->QueryBestSize = sunQueryBestSize;
miPointerInitialize (pScreen,
&sunPointerSpriteFuncs,
&sunPointerScreenFuncs,
FALSE);
pCurPriv->has_cursor = TRUE;
pCurPriv->pCursor = NULL;
return TRUE;
#else
return FALSE;
#endif
}
#if NeedFunctionPrototypes
void sunDisableCursor (
ScreenPtr pScreen)
#else
void sunDisableCursor (pScreen)
ScreenPtr pScreen;
#endif
{
#ifdef FBIOGCURMAX
SetupCursor (pScreen);
struct fbcursor fbcursor;
if (pCurPriv->has_cursor)
{
fbcursor.set = FB_CUR_SETCUR;
fbcursor.enable = 0;
(void) ioctl (sunFbs[pScreen->myNum].fd, FBIOSCURSOR, &fbcursor);
pCurPriv->pCursor = NULL;
}
#endif
}
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