4017d31902
over to new system. Need to update documentation and address some remaining vestiges of old system such as CursorRec structure, fb "offman" structure, and FontRec privates.
413 lines
9.9 KiB
C
413 lines
9.9 KiB
C
/**************************************************************
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*
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* Xplugin cursor support
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*
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**************************************************************/
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/*
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* Copyright (c) 2001 Torrey T. Lyons and Greg Parker.
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* Copyright (c) 2002 Apple Computer, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name(s) of the above copyright
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* holders shall not be used in advertising or otherwise to promote the sale,
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* use or other dealings in this Software without prior written authorization.
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*/
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#include "quartz/quartzCommon.h"
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#include "xpr.h"
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#include "darwin.h"
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#include "Xplugin.h"
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#include "mi.h"
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#include "scrnintstr.h"
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#include "cursorstr.h"
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#include "mipointrst.h"
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#include "windowstr.h"
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#include "globals.h"
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#include "servermd.h"
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#include "dixevents.h"
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typedef struct {
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int cursorVisible;
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QueryBestSizeProcPtr QueryBestSize;
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miPointerSpriteFuncPtr spriteFuncs;
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} QuartzCursorScreenRec, *QuartzCursorScreenPtr;
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static DevPrivateKey darwinCursorScreenKey = &darwinCursorScreenKey;
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#define CURSOR_PRIV(pScreen) ((QuartzCursorScreenPtr) \
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dixLookupPrivate(&pScreen->devPrivates, darwinCursorScreenKey))
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static Bool
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load_cursor(CursorPtr src, int screen)
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{
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uint32_t *data;
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uint32_t rowbytes;
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int width, height;
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int hot_x, hot_y;
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uint32_t fg_color, bg_color;
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uint8_t *srow, *sptr;
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uint8_t *mrow, *mptr;
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uint32_t *drow, *dptr;
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unsigned xcount, ycount;
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xp_error err;
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width = src->bits->width;
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height = src->bits->height;
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hot_x = src->bits->xhot;
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hot_y = src->bits->yhot;
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#ifdef ARGB_CURSOR
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if (src->bits->argb != NULL)
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{
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rowbytes = src->bits->width * sizeof(CARD32);
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data = (uint32_t *) src->bits->argb;
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}
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else
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#endif
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{
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fg_color = 0xFF00 | (src->foreRed >> 8);
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fg_color <<= 16;
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fg_color |= src->foreGreen & 0xFF00;
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fg_color |= src->foreBlue >> 8;
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bg_color = 0xFF00 | (src->backRed >> 8);
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bg_color <<= 16;
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bg_color |= src->backGreen & 0xFF00;
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bg_color |= src->backBlue >> 8;
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fg_color = htonl(fg_color);
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bg_color = htonl(bg_color);
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/* round up to 8 pixel boundary so we can convert whole bytes */
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rowbytes = ((src->bits->width * 4) + 31) & ~31;
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data = alloca(rowbytes * src->bits->height);
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if (!src->bits->emptyMask)
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{
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ycount = src->bits->height;
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srow = src->bits->source; mrow = src->bits->mask;
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drow = data;
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while (ycount-- > 0)
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{
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xcount = (src->bits->width + 7) / 8;
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sptr = srow; mptr = mrow;
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dptr = drow;
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while (xcount-- > 0)
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{
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uint8_t s, m;
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int i;
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s = *sptr++; m = *mptr++;
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for (i = 0; i < 8; i++)
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{
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#if BITMAP_BIT_ORDER == MSBFirst
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if (m & 128)
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*dptr++ = (s & 128) ? fg_color : bg_color;
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else
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*dptr++ = 0;
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s <<= 1; m <<= 1;
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#else
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if (m & 1)
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*dptr++ = (s & 1) ? fg_color : bg_color;
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else
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*dptr++ = 0;
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s >>= 1; m >>= 1;
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#endif
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}
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}
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srow += BitmapBytePad(src->bits->width);
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mrow += BitmapBytePad(src->bits->width);
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drow = (uint32_t *) ((char *) drow + rowbytes);
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}
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}
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else
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{
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memset(data, 0, src->bits->height * rowbytes);
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}
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}
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err = xp_set_cursor(width, height, hot_x, hot_y, data, rowbytes);
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return err == Success;
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}
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/*
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===========================================================================
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Pointer sprite functions
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===========================================================================
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*/
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/*
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* QuartzRealizeCursor
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* Convert the X cursor representation to native format if possible.
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*/
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static Bool
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QuartzRealizeCursor(ScreenPtr pScreen, CursorPtr pCursor)
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{
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if(pCursor == NULL || pCursor->bits == NULL)
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return FALSE;
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/* FIXME: cache ARGB8888 representation? */
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return TRUE;
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}
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/*
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* QuartzUnrealizeCursor
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* Free the storage space associated with a realized cursor.
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*/
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static Bool
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QuartzUnrealizeCursor(ScreenPtr pScreen, CursorPtr pCursor)
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{
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return TRUE;
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}
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/*
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* QuartzSetCursor
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* Set the cursor sprite and position.
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*/
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static void
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QuartzSetCursor(ScreenPtr pScreen, CursorPtr pCursor, int x, int y)
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{
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QuartzCursorScreenPtr ScreenPriv = CURSOR_PRIV(pScreen);
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if (!quartzServerVisible)
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return;
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if (pCursor == NULL)
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{
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if (ScreenPriv->cursorVisible)
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{
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xp_hide_cursor();
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ScreenPriv->cursorVisible = FALSE;
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}
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}
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else
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{
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load_cursor(pCursor, pScreen->myNum);
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if (!ScreenPriv->cursorVisible)
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{
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xp_show_cursor();
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ScreenPriv->cursorVisible = TRUE;
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}
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}
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}
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/*
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* QuartzMoveCursor
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* Move the cursor. This is a noop for us.
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*/
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static void
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QuartzMoveCursor(ScreenPtr pScreen, int x, int y)
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{
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}
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static miPointerSpriteFuncRec quartzSpriteFuncsRec = {
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QuartzRealizeCursor,
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QuartzUnrealizeCursor,
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QuartzSetCursor,
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QuartzMoveCursor
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};
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/*
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===========================================================================
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Pointer screen functions
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===========================================================================
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*/
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/*
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* QuartzCursorOffScreen
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*/
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static Bool
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QuartzCursorOffScreen(ScreenPtr *pScreen, int *x, int *y)
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{
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return FALSE;
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}
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/*
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* QuartzCrossScreen
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*/
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static void
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QuartzCrossScreen(ScreenPtr pScreen, Bool entering)
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{
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return;
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}
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/*
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* QuartzWarpCursor
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* Change the cursor position without generating an event or motion history.
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* The input coordinates (x,y) are in pScreen-local X11 coordinates.
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*
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*/
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static void
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QuartzWarpCursor(ScreenPtr pScreen, int x, int y)
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{
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static Bool neverMoved = TRUE;
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if (neverMoved)
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{
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/* Don't move the cursor the first time. This is the
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jump-to-center initialization, and it's annoying. */
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neverMoved = FALSE;
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return;
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}
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if (quartzServerVisible)
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{
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int sx, sy;
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sx = dixScreenOrigins[pScreen->myNum].x + darwinMainScreenX;
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sy = dixScreenOrigins[pScreen->myNum].y + darwinMainScreenY;
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CGWarpMouseCursorPosition(CGPointMake(sx + x, sy + y));
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}
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miPointerWarpCursor(pScreen, x, y);
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miPointerUpdate();
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}
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static miPointerScreenFuncRec quartzScreenFuncsRec = {
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QuartzCursorOffScreen,
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QuartzCrossScreen,
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QuartzWarpCursor,
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DarwinEQPointerPost,
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DarwinEQSwitchScreen
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};
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/*
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===========================================================================
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Other screen functions
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===========================================================================
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*/
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/*
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* QuartzCursorQueryBestSize
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* Handle queries for best cursor size
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*/
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static void
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QuartzCursorQueryBestSize(int class, unsigned short *width,
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unsigned short *height, ScreenPtr pScreen)
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{
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QuartzCursorScreenPtr ScreenPriv = CURSOR_PRIV(pScreen);
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if (class == CursorShape)
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{
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/* FIXME: query window server? */
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*width = 32;
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*height = 32;
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}
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else
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{
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(*ScreenPriv->QueryBestSize)(class, width, height, pScreen);
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}
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}
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/*
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* QuartzInitCursor
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* Initialize cursor support
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*/
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Bool
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QuartzInitCursor(ScreenPtr pScreen)
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{
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QuartzCursorScreenPtr ScreenPriv;
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miPointerScreenPtr PointPriv;
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/* initialize software cursor handling (always needed as backup) */
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if (!miDCInitialize(pScreen, &quartzScreenFuncsRec))
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return FALSE;
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ScreenPriv = xcalloc(1, sizeof(QuartzCursorScreenRec));
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if (ScreenPriv == NULL)
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return FALSE;
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CURSOR_PRIV(pScreen) = ScreenPriv;
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/* override some screen procedures */
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ScreenPriv->QueryBestSize = pScreen->QueryBestSize;
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pScreen->QueryBestSize = QuartzCursorQueryBestSize;
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PointPriv = (miPointerScreenPtr)
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dixLookupPrivate(&pScreen->devPrivates, miPointerScreenKey);
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ScreenPriv->spriteFuncs = PointPriv->spriteFuncs;
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PointPriv->spriteFuncs = &quartzSpriteFuncsRec;
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ScreenPriv->cursorVisible = TRUE;
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return TRUE;
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}
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/*
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* QuartzSuspendXCursor
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* X server is hiding. Restore the Aqua cursor.
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*/
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void
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QuartzSuspendXCursor(ScreenPtr pScreen)
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{
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}
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/*
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* QuartzResumeXCursor
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* X server is showing. Restore the X cursor.
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*/
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void
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QuartzResumeXCursor(ScreenPtr pScreen, int x, int y)
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{
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WindowPtr pWin;
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CursorPtr pCursor;
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pWin = GetSpriteWindow();
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if (pWin->drawable.pScreen != pScreen)
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return;
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pCursor = GetSpriteCursor();
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if (pCursor == NULL)
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return;
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QuartzSetCursor(pScreen, pCursor, x, y);
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}
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