407 lines
11 KiB
C
407 lines
11 KiB
C
/**************************************************************
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*
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* Xplugin cursor support
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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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#include "sanitizedCarbon.h"
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "quartz.h"
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#include "xpr.h"
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#include "darwinEvents.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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#include "x-hash.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 DevPrivateKeyRec darwinCursorScreenKeyRec;
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#define darwinCursorScreenKey (&darwinCursorScreenKeyRec)
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#define CURSOR_PRIV(pScreen) ((QuartzCursorScreenPtr) \
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dixLookupPrivate(&pScreen->devPrivates, \
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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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Bool free_data = FALSE;
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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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if (src->bits->argb != NULL) {
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#if BITMAP_BIT_ORDER == MSBFirst
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rowbytes = src->bits->width * sizeof(CARD32);
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data = (uint32_t *)src->bits->argb;
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#else
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const uint32_t *be_data = (uint32_t *)src->bits->argb;
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unsigned i;
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rowbytes = src->bits->width * sizeof(CARD32);
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data = malloc(rowbytes * src->bits->height);
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free_data = TRUE;
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if (!data) {
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FatalError("Failed to allocate memory in %s\n", __func__);
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}
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for (i = 0; i < (src->bits->width * src->bits->height); i++)
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data[i] = ntohl(be_data[i]);
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#endif
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}
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else
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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 = malloc(rowbytes * src->bits->height);
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free_data = TRUE;
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if (!data) {
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FatalError("Failed to allocate memory in %s\n", __func__);
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}
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if (!src->bits->emptyMask) {
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ycount = src->bits->height;
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srow = src->bits->source;
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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 = bits_to_bytes(src->bits->width);
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sptr = srow;
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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++;
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m = *mptr++;
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for (i = 0; i < 8; i++) {
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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;
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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;
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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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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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if (free_data)
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free(data);
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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(DeviceIntPtr pDev, 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(DeviceIntPtr pDev, 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(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor,
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int x,
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int y)
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{
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QuartzCursorScreenPtr ScreenPriv = CURSOR_PRIV(pScreen);
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if (!XQuartzServerVisible)
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return;
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if (pCursor == NULL) {
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if (ScreenPriv->cursorVisible) {
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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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load_cursor(pCursor, pScreen->myNum);
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if (!ScreenPriv->cursorVisible) {
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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(DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y)
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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(DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y)
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{
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if (XQuartzServerVisible) {
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int sx, sy;
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sx = pScreen->x + darwinMainScreenX;
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sy = pScreen->y + darwinMainScreenY;
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CGWarpMouseCursorPosition(CGPointMake(sx + x, sy + y));
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}
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miPointerWarpCursor(pDev, pScreen, x, y);
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miPointerUpdateSprite(pDev);
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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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};
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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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/* 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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(*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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if (!dixRegisterPrivateKey(&darwinCursorScreenKeyRec, PRIVATE_SCREEN, 0))
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return FALSE;
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ScreenPriv = calloc(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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dixSetPrivate(&pScreen->devPrivates, darwinCursorScreenKey, 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 = dixLookupPrivate(&pScreen->devPrivates, miPointerScreenKey);
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ScreenPriv->spriteFuncs = PointPriv->spriteFuncs;
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PointPriv->spriteFuncs->RealizeCursor = QuartzRealizeCursor;
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PointPriv->spriteFuncs->UnrealizeCursor = QuartzUnrealizeCursor;
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PointPriv->spriteFuncs->SetCursor = QuartzSetCursor;
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PointPriv->spriteFuncs->MoveCursor = QuartzMoveCursor;
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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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* 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)
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{
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WindowPtr pWin;
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CursorPtr pCursor;
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/* TODO: Tablet? */
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pWin = GetSpriteWindow(darwinPointer);
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if (pWin->drawable.pScreen != pScreen)
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return;
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pCursor = GetSpriteCursor(darwinPointer);
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if (pCursor == NULL)
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return;
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QuartzSetCursor(darwinPointer, pScreen, pCursor, /* x */ 0, /* y */ 0);
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}
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