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/* $XConsortium: sunCursor.c,v 5.18 94/04/13 18:23:17 gildea Exp $ */
/*
Copyright (c) 1988 Sun Microsystems, Inc.
Copyright (c) 1993 X Consortium
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of the X Consortium shall
not be used in advertising or otherwise to promote the sale, use or
other dealings in this Software without prior written authorization
from the X Consortium.
*/
/*-
* sunCursor.c --
* Functions for maintaining the Sun software cursor...
*
*/
#define NEED_EVENTS
#include "sun.h"
#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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