1 /**************************************************************
3 * Xplugin cursor support
5 * Copyright (c) 2001 Torrey T. Lyons and Greg Parker.
6 * Copyright (c) 2002 Apple Computer, Inc.
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
16 * The above copyright notice and this permission notice shall be included in
17 * all copies or substantial portions of the Software.
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
23 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
24 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
25 * DEALINGS IN THE SOFTWARE.
27 * Except as contained in this notice, the name(s) of the above copyright
28 * holders shall not be used in advertising or otherwise to promote the sale,
29 * use or other dealings in this Software without prior written authorization.
32 #include "sanitizedCarbon.h"
34 #ifdef HAVE_DIX_CONFIG_H
35 #include <dix-config.h>
40 #include "darwinEvents.h"
44 #include "scrnintstr.h"
45 #include "cursorstr.h"
46 #include "mipointrst.h"
47 #include "windowstr.h"
50 #include "dixevents.h"
55 QueryBestSizeProcPtr QueryBestSize;
56 miPointerSpriteFuncPtr spriteFuncs;
57 } QuartzCursorScreenRec, *QuartzCursorScreenPtr;
59 static DevPrivateKeyRec darwinCursorScreenKeyRec;
60 #define darwinCursorScreenKey (&darwinCursorScreenKeyRec)
62 #define CURSOR_PRIV(pScreen) ((QuartzCursorScreenPtr) \
63 dixLookupPrivate(&pScreen->devPrivates, \
64 darwinCursorScreenKey))
67 load_cursor(CursorPtr src, int screen)
70 Bool free_data = FALSE;
75 uint32_t fg_color, bg_color;
78 uint32_t *drow, *dptr;
79 unsigned xcount, ycount;
83 width = src->bits->width;
84 height = src->bits->height;
85 hot_x = src->bits->xhot;
86 hot_y = src->bits->yhot;
89 if (src->bits->argb != NULL) {
90 #if BITMAP_BIT_ORDER == MSBFirst
91 rowbytes = src->bits->width * sizeof(CARD32);
92 data = (uint32_t *)src->bits->argb;
94 const uint32_t *be_data = (uint32_t *)src->bits->argb;
96 rowbytes = src->bits->width * sizeof(CARD32);
97 data = malloc(rowbytes * src->bits->height);
100 FatalError("Failed to allocate memory in %s\n", __func__);
102 for (i = 0; i < (src->bits->width * src->bits->height); i++)
103 data[i] = ntohl(be_data[i]);
109 fg_color = 0xFF00 | (src->foreRed >> 8);
111 fg_color |= src->foreGreen & 0xFF00;
112 fg_color |= src->foreBlue >> 8;
114 bg_color = 0xFF00 | (src->backRed >> 8);
116 bg_color |= src->backGreen & 0xFF00;
117 bg_color |= src->backBlue >> 8;
119 fg_color = htonl(fg_color);
120 bg_color = htonl(bg_color);
122 /* round up to 8 pixel boundary so we can convert whole bytes */
123 rowbytes = ((src->bits->width * 4) + 31) & ~31;
124 data = malloc(rowbytes * src->bits->height);
127 FatalError("Failed to allocate memory in %s\n", __func__);
130 if (!src->bits->emptyMask) {
131 ycount = src->bits->height;
132 srow = src->bits->source;
133 mrow = src->bits->mask;
138 xcount = bits_to_bytes(src->bits->width);
150 for (i = 0; i < 8; i++) {
151 #if BITMAP_BIT_ORDER == MSBFirst
153 *dptr++ = (s & 128) ? fg_color : bg_color;
160 *dptr++ = (s & 1) ? fg_color : bg_color;
169 srow += BitmapBytePad(src->bits->width);
170 mrow += BitmapBytePad(src->bits->width);
171 drow = (uint32_t *)((char *)drow + rowbytes);
175 memset(data, 0, src->bits->height * rowbytes);
179 err = xp_set_cursor(width, height, hot_x, hot_y, data, rowbytes);
182 return err == Success;
186 ===========================================================================
188 Pointer sprite functions
190 ===========================================================================
194 * QuartzRealizeCursor
195 * Convert the X cursor representation to native format if possible.
198 QuartzRealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor)
200 if (pCursor == NULL || pCursor->bits == NULL)
203 /* FIXME: cache ARGB8888 representation? */
209 * QuartzUnrealizeCursor
210 * Free the storage space associated with a realized cursor.
213 QuartzUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor)
220 * Set the cursor sprite and position.
223 QuartzSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor,
227 QuartzCursorScreenPtr ScreenPriv = CURSOR_PRIV(pScreen);
229 if (!XQuartzServerVisible)
232 if (pCursor == NULL) {
233 if (ScreenPriv->cursorVisible) {
235 ScreenPriv->cursorVisible = FALSE;
239 load_cursor(pCursor, pScreen->myNum);
241 if (!ScreenPriv->cursorVisible) {
243 ScreenPriv->cursorVisible = TRUE;
250 * Move the cursor. This is a noop for us.
253 QuartzMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y)
257 ===========================================================================
259 Pointer screen functions
261 ===========================================================================
265 * QuartzCursorOffScreen
268 QuartzCursorOffScreen(ScreenPtr *pScreen, int *x, int *y)
277 QuartzCrossScreen(ScreenPtr pScreen, Bool entering)
284 * Change the cursor position without generating an event or motion history.
285 * The input coordinates (x,y) are in pScreen-local X11 coordinates.
289 QuartzWarpCursor(DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y)
291 if (XQuartzServerVisible) {
294 sx = pScreen->x + darwinMainScreenX;
295 sy = pScreen->y + darwinMainScreenY;
297 CGWarpMouseCursorPosition(CGPointMake(sx + x, sy + y));
300 miPointerWarpCursor(pDev, pScreen, x, y);
301 miPointerUpdateSprite(pDev);
304 static miPointerScreenFuncRec quartzScreenFuncsRec = {
305 QuartzCursorOffScreen,
311 ===========================================================================
313 Other screen functions
315 ===========================================================================
319 * QuartzCursorQueryBestSize
320 * Handle queries for best cursor size
323 QuartzCursorQueryBestSize(int class, unsigned short *width,
324 unsigned short *height, ScreenPtr pScreen)
326 QuartzCursorScreenPtr ScreenPriv = CURSOR_PRIV(pScreen);
328 if (class == CursorShape) {
329 /* FIXME: query window server? */
334 (*ScreenPriv->QueryBestSize)(class, width, height, pScreen);
340 * Initialize cursor support
343 QuartzInitCursor(ScreenPtr pScreen)
345 QuartzCursorScreenPtr ScreenPriv;
346 miPointerScreenPtr PointPriv;
348 /* initialize software cursor handling (always needed as backup) */
349 if (!miDCInitialize(pScreen, &quartzScreenFuncsRec))
352 if (!dixRegisterPrivateKey(&darwinCursorScreenKeyRec, PRIVATE_SCREEN, 0))
355 ScreenPriv = calloc(1, sizeof(QuartzCursorScreenRec));
356 if (ScreenPriv == NULL)
359 /* CURSOR_PRIV(pScreen) = ScreenPriv; */
360 dixSetPrivate(&pScreen->devPrivates, darwinCursorScreenKey, ScreenPriv);
362 /* override some screen procedures */
363 ScreenPriv->QueryBestSize = pScreen->QueryBestSize;
364 pScreen->QueryBestSize = QuartzCursorQueryBestSize;
366 PointPriv = dixLookupPrivate(&pScreen->devPrivates, miPointerScreenKey);
368 ScreenPriv->spriteFuncs = PointPriv->spriteFuncs;
370 PointPriv->spriteFuncs->RealizeCursor = QuartzRealizeCursor;
371 PointPriv->spriteFuncs->UnrealizeCursor = QuartzUnrealizeCursor;
372 PointPriv->spriteFuncs->SetCursor = QuartzSetCursor;
373 PointPriv->spriteFuncs->MoveCursor = QuartzMoveCursor;
375 ScreenPriv->cursorVisible = TRUE;
380 * QuartzSuspendXCursor
381 * X server is hiding. Restore the Aqua cursor.
384 QuartzSuspendXCursor(ScreenPtr pScreen)
388 * QuartzResumeXCursor
389 * X server is showing. Restore the X cursor.
392 QuartzResumeXCursor(ScreenPtr pScreen)
399 pWin = GetSpriteWindow(darwinPointer);
400 if (pWin->drawable.pScreen != pScreen)
403 pCursor = GetSpriteCursor(darwinPointer);
407 QuartzSetCursor(darwinPointer, pScreen, pCursor, /* x */ 0, /* y */ 0);