summaryrefslogtreecommitdiff
path: root/hw/xquartz/xpr/xprFrame.c
blob: 6635f08d8ae016871943b7293daa994960a46c23 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
/*
 * Xplugin rootless implementation frame functions
 *
 * Copyright (c) 2002 Apple Computer, Inc. All rights reserved.
 * Copyright (c) 2003 Torrey T. Lyons. All Rights Reserved.
 *
 * 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 ABOVE LISTED COPYRIGHT HOLDER(S) 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(s) of the above copyright
 * holders shall not be used in advertising or otherwise to promote the sale,
 * use or other dealings in this Software without prior written authorization.
 */

#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif

#include "xpr.h"
#include "rootlessCommon.h"
#include <Xplugin.h>
#include "x-hash.h"
#include "x-list.h"
#include "applewmExt.h"

#include "propertyst.h"
#include "dix.h"
#include <X11/Xatom.h>
#include "windowstr.h"
#include "quartz.h"

#include "threadSafety.h"

#include <pthread.h>

#define DEFINE_ATOM_HELPER(func,atom_name)                      \
static Atom func (void) {                                       \
    static int generation;                                      \
    static Atom atom;                                           \
    if (generation != serverGeneration) {                       \
        generation = serverGeneration;                          \
        atom = MakeAtom (atom_name, strlen (atom_name), TRUE);  \
    }                                                           \
    return atom;                                                \
}

DEFINE_ATOM_HELPER(xa_native_window_id, "_NATIVE_WINDOW_ID")

/* Maps xp_window_id -> RootlessWindowRec */
static x_hash_table *window_hash;
static pthread_mutex_t window_hash_mutex;

/* Prototypes for static functions */
static Bool xprCreateFrame(RootlessWindowPtr pFrame, ScreenPtr pScreen,
               int newX, int newY, RegionPtr pShape);
static void xprDestroyFrame(RootlessFrameID wid);
static void xprMoveFrame(RootlessFrameID wid, ScreenPtr pScreen, int newX, int newY);
static void xprResizeFrame(RootlessFrameID wid, ScreenPtr pScreen,
               int newX, int newY, unsigned int newW, unsigned int newH,
               unsigned int gravity);
static void xprRestackFrame(RootlessFrameID wid, RootlessFrameID nextWid);
static void xprReshapeFrame(RootlessFrameID wid, RegionPtr pShape);
static void xprUnmapFrame(RootlessFrameID wid);
static void xprStartDrawing(RootlessFrameID wid, char **pixelData, int *bytesPerRow);
static void xprStopDrawing(RootlessFrameID wid, Bool flush);
static void xprUpdateRegion(RootlessFrameID wid, RegionPtr pDamage);
static void xprDamageRects(RootlessFrameID wid, int nrects, const BoxRec *rects,
               int shift_x, int shift_y);
static void xprSwitchWindow(RootlessWindowPtr pFrame, WindowPtr oldWin);
static Bool xprDoReorderWindow(RootlessWindowPtr pFrame);
static void xprCopyWindow(RootlessFrameID wid, int dstNrects, const BoxRec *dstRects,
              int dx, int dy);


static inline xp_error
xprConfigureWindow(xp_window_id id, unsigned int mask,
                   const xp_window_changes *values)
{
    TA_SERVER();

    return xp_configure_window(id, mask, values);
}


static void
xprSetNativeProperty(RootlessWindowPtr pFrame)
{
    xp_error err;
    unsigned int native_id;
    long data;

    TA_SERVER();
    
    err = xp_get_native_window(x_cvt_vptr_to_uint(pFrame->wid), &native_id);
    if (err == Success)
    {
        /* FIXME: move this to AppleWM extension */

        data = native_id;
        dixChangeWindowProperty(serverClient, pFrame->win, xa_native_window_id(),
				XA_INTEGER, 32, PropModeReplace, 1, &data, TRUE);
    }
}


/*
 * Create and display a new frame.
 */
static Bool
xprCreateFrame(RootlessWindowPtr pFrame, ScreenPtr pScreen,
               int newX, int newY, RegionPtr pShape)
{
    WindowPtr pWin = pFrame->win;
    xp_window_changes wc;
    unsigned int mask = 0;
    xp_error err;

    TA_SERVER();
    
    wc.x = newX;
    wc.y = newY;
    wc.width = pFrame->width;
    wc.height = pFrame->height;
    wc.bit_gravity = XP_GRAVITY_NONE;
    mask |= XP_BOUNDS;

    if (pWin->drawable.depth == 8)
    {
        wc.depth = XP_DEPTH_INDEX8;
        wc.colormap = RootlessColormapCallback;
        wc.colormap_data = pScreen;
        mask |= XP_COLORMAP;
    }
    else if (pWin->drawable.depth == 15)
        wc.depth = XP_DEPTH_RGB555;
    else if (pWin->drawable.depth == 24)
        wc.depth = XP_DEPTH_ARGB8888;
    else
        wc.depth = XP_DEPTH_NIL;
    mask |= XP_DEPTH;

    if (pShape != NULL)
    {
        wc.shape_nrects = REGION_NUM_RECTS(pShape);
        wc.shape_rects = REGION_RECTS(pShape);
        wc.shape_tx = wc.shape_ty = 0;
        mask |= XP_SHAPE;
    }

    pFrame->level = !IsRoot (pWin) ? AppleWMWindowLevelNormal : AppleWMNumWindowLevels;

    if(quartzEnableRootless)
        wc.window_level = normal_window_levels[pFrame->level];
    else
        wc.window_level = rooted_window_levels[pFrame->level];
    mask |= XP_WINDOW_LEVEL;

    err = xp_create_window(mask, &wc, (xp_window_id *) &pFrame->wid);

    if (err != Success)
    {
        return FALSE;
    }

    if (window_hash == NULL)
    {
        window_hash = x_hash_table_new(NULL, NULL, NULL, NULL);
        pthread_mutex_init(&window_hash_mutex, NULL);
    }

    pthread_mutex_lock(&window_hash_mutex);
    x_hash_table_insert(window_hash, pFrame->wid, pFrame);
    pthread_mutex_unlock(&window_hash_mutex);

    xprSetNativeProperty(pFrame);

    return TRUE;
}


/*
 * Destroy a frame.
 */
static void
xprDestroyFrame(RootlessFrameID wid)
{
    TA_SERVER();
    
    pthread_mutex_lock(&window_hash_mutex);
    x_hash_table_remove(window_hash, wid);
    pthread_mutex_unlock(&window_hash_mutex);

    xp_destroy_window(x_cvt_vptr_to_uint(wid));
}


/*
 * Move a frame on screen.
 */
static void
xprMoveFrame(RootlessFrameID wid, ScreenPtr pScreen, int newX, int newY)
{
    TA_SERVER();
    
    xp_window_changes wc;

    wc.x = newX;
    wc.y = newY;
    //    ErrorF("xprMoveFrame(%d, %p, %d, %d)\n", wid, pScreen, newX, newY);
    xprConfigureWindow(x_cvt_vptr_to_uint(wid), XP_ORIGIN, &wc);
}


/*
 * Resize and move a frame.
 */
static void
xprResizeFrame(RootlessFrameID wid, ScreenPtr pScreen,
               int newX, int newY, unsigned int newW, unsigned int newH,
               unsigned int gravity)
{
    xp_window_changes wc;

    TA_SERVER();
    
    wc.x = newX;
    wc.y = newY;
    wc.width = newW;
    wc.height = newH;
    wc.bit_gravity = gravity;

    /* It's unlikely that being async will save us anything here.
       But it can't hurt. */

    xprConfigureWindow(x_cvt_vptr_to_uint(wid), XP_BOUNDS, &wc);
}


/*
 * Change frame stacking.
 */
static void xprRestackFrame(RootlessFrameID wid, RootlessFrameID nextWid) {
    xp_window_changes wc;
    unsigned int mask = XP_STACKING;

    TA_SERVER();
    
    /* Stack frame below nextWid it if it exists, or raise
       frame above everything otherwise. */

    if(nextWid == NULL) {
        wc.stack_mode = XP_MAPPED_ABOVE;
        wc.sibling = 0;
    } else {
        wc.stack_mode = XP_MAPPED_BELOW;
        wc.sibling = x_cvt_vptr_to_uint(nextWid);
    }

    if(window_hash) {
        RootlessWindowRec *winRec = x_hash_table_lookup(window_hash, x_cvt_uint_to_vptr((xp_window_id)wid), NULL);

        if(winRec) {
            if(quartzEnableRootless)
                wc.window_level = normal_window_levels[winRec->level];
            else
                wc.window_level = rooted_window_levels[winRec->level];
            mask |= XP_WINDOW_LEVEL;
        }
    }

    xprConfigureWindow(x_cvt_vptr_to_uint(wid), mask, &wc);
}


/*
 * Change the frame's shape.
 */
static void
xprReshapeFrame(RootlessFrameID wid, RegionPtr pShape)
{
    xp_window_changes wc;

    TA_SERVER();
    
    if (pShape != NULL)
    {
        wc.shape_nrects = REGION_NUM_RECTS(pShape);
        wc.shape_rects = REGION_RECTS(pShape);
    }
    else
    {
        wc.shape_nrects = -1;
        wc.shape_rects = NULL;
    }

    wc.shape_tx = wc.shape_ty = 0;

    xprConfigureWindow(x_cvt_vptr_to_uint(wid), XP_SHAPE, &wc);
}


/*
 * Unmap a frame.
 */
static void
xprUnmapFrame(RootlessFrameID wid)
{
    xp_window_changes wc;

    TA_SERVER();
    
    wc.stack_mode = XP_UNMAPPED;
    wc.sibling = 0;

    xprConfigureWindow(x_cvt_vptr_to_uint(wid), XP_STACKING, &wc);
}


/*
 * Start drawing to a frame.
 *  Prepare for direct access to its backing buffer.
 */
static void
xprStartDrawing(RootlessFrameID wid, char **pixelData, int *bytesPerRow)
{
    void *data[2];
    unsigned int rowbytes[2];
    xp_error err;

    TA_SERVER();
    
    err = xp_lock_window(x_cvt_vptr_to_uint(wid), NULL, NULL, data, rowbytes, NULL);
    if (err != Success)
        FatalError("Could not lock window %i for drawing.", (int)x_cvt_vptr_to_uint(wid));

    *pixelData = data[0];
    *bytesPerRow = rowbytes[0];
}


/*
 * Stop drawing to a frame.
 */
static void
xprStopDrawing(RootlessFrameID wid, Bool flush)
{
    TA_SERVER();
    
    xp_unlock_window(x_cvt_vptr_to_uint(wid), flush);
}


/*
 * Flush drawing updates to the screen.
 */
static void
xprUpdateRegion(RootlessFrameID wid, RegionPtr pDamage)
{
    TA_SERVER();
    
    xp_flush_window(x_cvt_vptr_to_uint(wid));
}


/*
 * Mark damaged rectangles as requiring redisplay to screen.
 */
static void
xprDamageRects(RootlessFrameID wid, int nrects, const BoxRec *rects,
               int shift_x, int shift_y)
{
    TA_SERVER();
    
    xp_mark_window(x_cvt_vptr_to_uint(wid), nrects, rects, shift_x, shift_y);
}


/*
 * Called after the window associated with a frame has been switched
 * to a new top-level parent.
 */
static void
xprSwitchWindow(RootlessWindowPtr pFrame, WindowPtr oldWin)
{
    DeleteProperty(serverClient, oldWin, xa_native_window_id());

    TA_SERVER();
    
    xprSetNativeProperty(pFrame);
}


/*
 * Called to check if the frame should be reordered when it is restacked.
 */
static Bool xprDoReorderWindow(RootlessWindowPtr pFrame)
{
    WindowPtr pWin = pFrame->win;

    TA_SERVER();
    
    return AppleWMDoReorderWindow(pWin);
}


/*
 * Copy area in frame to another part of frame.
 *  Used to accelerate scrolling.
 */
static void
xprCopyWindow(RootlessFrameID wid, int dstNrects, const BoxRec *dstRects,
              int dx, int dy)
{
    TA_SERVER();
    
    xp_copy_window(x_cvt_vptr_to_uint(wid), x_cvt_vptr_to_uint(wid),
                   dstNrects, dstRects, dx, dy);
}


static RootlessFrameProcsRec xprRootlessProcs = {
    xprCreateFrame,
    xprDestroyFrame,
    xprMoveFrame,
    xprResizeFrame,
    xprRestackFrame,
    xprReshapeFrame,
    xprUnmapFrame,
    xprStartDrawing,
    xprStopDrawing,
    xprUpdateRegion,
    xprDamageRects,
    xprSwitchWindow,
    xprDoReorderWindow,
    xp_copy_bytes,
    xp_fill_bytes,
    xp_composite_pixels,
    xprCopyWindow
};


/*
 * Initialize XPR implementation
 */
Bool
xprInit(ScreenPtr pScreen)
{
    RootlessInit(pScreen, &xprRootlessProcs);

    TA_SERVER();
    
    rootless_CopyBytes_threshold = xp_copy_bytes_threshold;
    rootless_FillBytes_threshold = xp_fill_bytes_threshold;
    rootless_CompositePixels_threshold = xp_composite_area_threshold;
    rootless_CopyWindow_threshold = xp_scroll_area_threshold;

    return TRUE;
}


/*
 * Given the id of a physical window, try to find the top-level (or root)
 * X window that it represents.
 */
WindowPtr
xprGetXWindow(xp_window_id wid)
{
    RootlessWindowRec *winRec;

    if (window_hash == NULL)
        return NULL;

    winRec = x_hash_table_lookup(window_hash, x_cvt_uint_to_vptr(wid), NULL);

    return winRec != NULL ? winRec->win : NULL;
}

#ifdef UNUSED_CODE
/*
 * Given the id of a physical window, try to find the top-level (or root)
 * X window that it represents.
 */
WindowPtr
xprGetXWindowFromAppKit(int windowNumber)
{
    RootlessWindowRec *winRec;
    Bool ret;
    xp_window_id wid;

    if (window_hash == NULL)
        return FALSE;

    /* need to lock, since this function can be called by any thread */

    pthread_mutex_lock(&window_hash_mutex);

    if (xp_lookup_native_window(windowNumber, &wid))
        ret = xprGetXWindow(wid) != NULL;
    else
        ret = FALSE;

    pthread_mutex_unlock(&window_hash_mutex);

    if (!ret) return NULL;
    winRec = x_hash_table_lookup(window_hash, x_cvt_uint_to_vptr(wid), NULL);

    return winRec != NULL ? winRec->win : NULL;
}
#endif

/*
 * The windowNumber is an AppKit window number. Returns TRUE if xpr is
 * displaying a window with that number.
 */
Bool
xprIsX11Window(void *nsWindow, int windowNumber)
{
    Bool ret;
    xp_window_id wid;

    if (window_hash == NULL)
        return FALSE;

    /* need to lock, since this function can be called by any thread */

    pthread_mutex_lock(&window_hash_mutex);

    if (xp_lookup_native_window(windowNumber, &wid))
        ret = xprGetXWindow(wid) != NULL;
    else
        ret = FALSE;

    pthread_mutex_unlock(&window_hash_mutex);

    return ret;
}


/*
 * xprHideWindows
 *  Hide or unhide all top level windows. This is called for application hide/
 *  unhide events if the window manager is not Apple-WM aware. Xplugin windows
 *  do not hide or unhide themselves.
 */
void
xprHideWindows(Bool hide)
{
    int screen;
    WindowPtr pRoot, pWin;

    TA_SERVER();
    
    for (screen = 0; screen < screenInfo.numScreens; screen++) {
        pRoot = WindowTable[screenInfo.screens[screen]->myNum];
        RootlessFrameID prevWid = NULL;

        for (pWin = pRoot->firstChild; pWin; pWin = pWin->nextSib) {
            RootlessWindowRec *winRec = WINREC(pWin);

            if (winRec != NULL) {
                if (hide) {
                    xprUnmapFrame(winRec->wid);
                } else {
                    BoxRec box;

                    xprRestackFrame(winRec->wid, prevWid);
                    prevWid = winRec->wid;

                    box.x1 = 0;
                    box.y1 = 0;
                    box.x2 = winRec->width;
                    box.y2 = winRec->height;

                    xprDamageRects(winRec->wid, 1, &box, 0, 0);
                    RootlessQueueRedisplay(screenInfo.screens[screen]);
                }
            }
        }
    }
}