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wineandroid: Implement UpdateLayeredWindow.
[wine.git] / dlls / wineandroid.drv / window.c
blobf5d2e4f3645196cda8643b095b851448039121a7
1 /*
2 * Window related functions
3 *
4 * Copyright 1993, 1994, 1995, 1996, 2001, 2013-2017 Alexandre Julliard
5 * Copyright 1993 David Metcalfe
6 * Copyright 1995, 1996 Alex Korobka
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 */
22
23 #define NONAMELESSUNION
24 #define NONAMELESSSTRUCT
25
26 #include "config.h"
27 #include "wine/port.h"
28
29 #include <assert.h>
30 #include <fcntl.h>
31 #include <poll.h>
32 #include <errno.h>
33 #include <stdarg.h>
34 #include <stdlib.h>
35 #include <stdio.h>
36 #ifdef HAVE_UNISTD_H
37 # include <unistd.h>
38 #endif
39
40 #include "windef.h"
41 #include "winbase.h"
42 #include "wingdi.h"
43 #include "winuser.h"
44 #include "wine/unicode.h"
45
46 #include "android.h"
47 #include "wine/server.h"
48 #include "wine/debug.h"
49
50 WINE_DEFAULT_DEBUG_CHANNEL(android);
51
52 /* private window data */
53 struct android_win_data
54 {
55 HWND hwnd; /* hwnd that this private data belongs to */
56 HWND parent; /* parent hwnd for child windows */
57 RECT window_rect; /* USER window rectangle relative to parent */
58 RECT whole_rect; /* X window rectangle for the whole window relative to parent */
59 RECT client_rect; /* client area relative to parent */
60 ANativeWindow *window; /* native window wrapper that forwards calls to the desktop process */
61 struct window_surface *surface;
62 };
63
64 #define SWP_AGG_NOPOSCHANGE (SWP_NOSIZE | SWP_NOMOVE | SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE | SWP_NOZORDER)
65
66 static CRITICAL_SECTION win_data_section;
67 static CRITICAL_SECTION_DEBUG critsect_debug =
68 {
69 0, 0, &win_data_section,
70 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
71 0, 0, { (DWORD_PTR)(__FILE__ ": win_data_section") }
72 };
73 static CRITICAL_SECTION win_data_section = { &critsect_debug, -1, 0, 0, 0, 0 };
74
75 static struct android_win_data *win_data_context[32768];
76
77 static inline int context_idx( HWND hwnd )
78 {
79 return LOWORD( hwnd ) >> 1;
80 }
81
82 static void set_surface_region( struct window_surface *window_surface, HRGN win_region );
83
84 /* only for use on sanitized BITMAPINFO structures */
85 static inline int get_dib_info_size( const BITMAPINFO *info, UINT coloruse )
86 {
87 if (info->bmiHeader.biCompression == BI_BITFIELDS)
88 return sizeof(BITMAPINFOHEADER) + 3 * sizeof(DWORD);
89 if (coloruse == DIB_PAL_COLORS)
90 return sizeof(BITMAPINFOHEADER) + info->bmiHeader.biClrUsed * sizeof(WORD);
91 return FIELD_OFFSET( BITMAPINFO, bmiColors[info->bmiHeader.biClrUsed] );
92 }
93
94 static inline int get_dib_stride( int width, int bpp )
95 {
96 return ((width * bpp + 31) >> 3) & ~3;
97 }
98
99 static inline int get_dib_image_size( const BITMAPINFO *info )
100 {
101 return get_dib_stride( info->bmiHeader.biWidth, info->bmiHeader.biBitCount )
102 * abs( info->bmiHeader.biHeight );
103 }
104
105
106 /***********************************************************************
107 * alloc_win_data
108 */
109 static struct android_win_data *alloc_win_data( HWND hwnd )
110 {
111 struct android_win_data *data;
112
113 if ((data = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*data))))
114 {
115 data->hwnd = hwnd;
116 data->window = create_ioctl_window( hwnd );
117 EnterCriticalSection( &win_data_section );
118 win_data_context[context_idx(hwnd)] = data;
119 }
120 return data;
121 }
122
123
124 /***********************************************************************
125 * free_win_data
126 */
127 static void free_win_data( struct android_win_data *data )
128 {
129 win_data_context[context_idx( data->hwnd )] = NULL;
130 LeaveCriticalSection( &win_data_section );
131 if (data->window) release_ioctl_window( data->window );
132 HeapFree( GetProcessHeap(), 0, data );
133 }
134
135
136 /***********************************************************************
137 * get_win_data
138 *
139 * Lock and return the data structure associated with a window.
140 */
141 static struct android_win_data *get_win_data( HWND hwnd )
142 {
143 struct android_win_data *data;
144
145 if (!hwnd) return NULL;
146 EnterCriticalSection( &win_data_section );
147 if ((data = win_data_context[context_idx(hwnd)]) && data->hwnd == hwnd) return data;
148 LeaveCriticalSection( &win_data_section );
149 return NULL;
150 }
151
152
153 /***********************************************************************
154 * release_win_data
155 *
156 * Release the data returned by get_win_data.
157 */
158 static void release_win_data( struct android_win_data *data )
159 {
160 if (data) LeaveCriticalSection( &win_data_section );
161 }
162
163
164 /***********************************************************************
165 * get_ioctl_window
166 */
167 static struct ANativeWindow *get_ioctl_window( HWND hwnd )
168 {
169 struct ANativeWindow *ret;
170 struct android_win_data *data = get_win_data( hwnd );
171
172 if (!data || !data->window) return NULL;
173 ret = grab_ioctl_window( data->window );
174 release_win_data( data );
175 return ret;
176 }
177
178
179 /* Handling of events coming from the Java side */
180
181 struct java_event
182 {
183 struct list entry;
184 union event_data data;
185 };
186
187 static struct list event_queue = LIST_INIT( event_queue );
188 static struct java_event *current_event;
189 static int event_pipe[2];
190 static DWORD desktop_tid;
191
192 /***********************************************************************
193 * send_event
194 */
195 int send_event( const union event_data *data )
196 {
197 int res;
198
199 if ((res = write( event_pipe[1], data, sizeof(*data) )) != sizeof(*data))
200 {
201 p__android_log_print( ANDROID_LOG_ERROR, "wine", "failed to send event" );
202 return -1;
203 }
204 return 0;
205 }
206
207
208 /***********************************************************************
209 * desktop_changed
210 *
211 * JNI callback, runs in the context of the Java thread.
212 */
213 void desktop_changed( JNIEnv *env, jobject obj, jint width, jint height )
214 {
215 union event_data data;
216
217 memset( &data, 0, sizeof(data) );
218 data.type = DESKTOP_CHANGED;
219 data.desktop.width = width;
220 data.desktop.height = height;
221 p__android_log_print( ANDROID_LOG_INFO, "wine", "desktop_changed: %ux%u", width, height );
222 send_event( &data );
223 }
224
225
226 /***********************************************************************
227 * surface_changed
228 *
229 * JNI callback, runs in the context of the Java thread.
230 */
231 void surface_changed( JNIEnv *env, jobject obj, jint win, jobject surface )
232 {
233 union event_data data;
234
235 memset( &data, 0, sizeof(data) );
236 data.surface.hwnd = LongToHandle( win );
237 if (surface)
238 {
239 int width, height;
240 ANativeWindow *win = pANativeWindow_fromSurface( env, surface );
241
242 if (win->query( win, NATIVE_WINDOW_WIDTH, &width ) < 0) width = 0;
243 if (win->query( win, NATIVE_WINDOW_HEIGHT, &height ) < 0) height = 0;
244 data.surface.window = win;
245 data.surface.width = width;
246 data.surface.height = height;
247 p__android_log_print( ANDROID_LOG_INFO, "wine", "surface_changed: %p %ux%u",
248 data.surface.hwnd, width, height );
249 }
250 data.type = SURFACE_CHANGED;
251 send_event( &data );
252 }
253
254
255 /***********************************************************************
256 * init_event_queue
257 */
258 static void init_event_queue(void)
259 {
260 HANDLE handle;
261 int ret;
262
263 if (pipe2( event_pipe, O_CLOEXEC | O_NONBLOCK ) == -1)
264 {
265 ERR( "could not create data\n" );
266 ExitProcess(1);
267 }
268 if (wine_server_fd_to_handle( event_pipe[0], GENERIC_READ | SYNCHRONIZE, 0, &handle ))
269 {
270 ERR( "Can't allocate handle for event fd\n" );
271 ExitProcess(1);
272 }
273 SERVER_START_REQ( set_queue_fd )
274 {
275 req->handle = wine_server_obj_handle( handle );
276 ret = wine_server_call( req );
277 }
278 SERVER_END_REQ;
279 if (ret)
280 {
281 ERR( "Can't store handle for event fd %x\n", ret );
282 ExitProcess(1);
283 }
284 CloseHandle( handle );
285 desktop_tid = GetCurrentThreadId();
286 }
287
288
289 /***********************************************************************
290 * pull_events
291 *
292 * Pull events from the event pipe and add them to the queue
293 */
294 static void pull_events(void)
295 {
296 struct java_event *event;
297 int res;
298
299 for (;;)
300 {
301 if (!(event = HeapAlloc( GetProcessHeap(), 0, sizeof(*event) ))) break;
302
303 res = read( event_pipe[0], &event->data, sizeof(event->data) );
304 if (res != sizeof(event->data)) break;
305 list_add_tail( &event_queue, &event->entry );
306 }
307 HeapFree( GetProcessHeap(), 0, event );
308 }
309
310
311 /***********************************************************************
312 * process_events
313 */
314 static int process_events( DWORD mask )
315 {
316 struct java_event *event, *next, *previous;
317 unsigned int count = 0;
318
319 assert( GetCurrentThreadId() == desktop_tid );
320
321 pull_events();
322
323 previous = current_event;
324
325 LIST_FOR_EACH_ENTRY_SAFE( event, next, &event_queue, struct java_event, entry )
326 {
327 switch (event->data.type)
328 {
329 case SURFACE_CHANGED:
330 break; /* always process it to unblock other threads */
331 default:
332 if (mask & QS_SENDMESSAGE) break;
333 continue; /* skip it */
334 }
335
336 /* remove it first, in case we process events recursively */
337 list_remove( &event->entry );
338 current_event = event;
339
340 switch (event->data.type)
341 {
342 case DESKTOP_CHANGED:
343 TRACE( "DESKTOP_CHANGED %ux%u\n", event->data.desktop.width, event->data.desktop.height );
344 screen_width = event->data.desktop.width;
345 screen_height = event->data.desktop.height;
346 init_monitors( screen_width, screen_height );
347 SetWindowPos( GetDesktopWindow(), 0, 0, 0, screen_width, screen_height,
348 SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW );
349 break;
350
351 case SURFACE_CHANGED:
352 TRACE("SURFACE_CHANGED %p %p size %ux%u\n", event->data.surface.hwnd,
353 event->data.surface.window, event->data.surface.width, event->data.surface.height );
354
355 register_native_window( event->data.surface.hwnd, event->data.surface.window );
356 break;
357
358 default:
359 FIXME( "got event %u\n", event->data.type );
360 }
361 HeapFree( GetProcessHeap(), 0, event );
362 count++;
363 }
364 current_event = previous;
365 return count;
366 }
367
368
369 /***********************************************************************
370 * wait_events
371 */
372 static int wait_events( int timeout )
373 {
374 assert( GetCurrentThreadId() == desktop_tid );
375
376 for (;;)
377 {
378 struct pollfd pollfd;
379 int ret;
380
381 pollfd.fd = event_pipe[0];
382 pollfd.events = POLLIN | POLLHUP;
383 ret = poll( &pollfd, 1, timeout );
384 if (ret == -1 && errno == EINTR) continue;
385 if (ret && (pollfd.revents & (POLLHUP | POLLERR))) ret = -1;
386 return ret;
387 }
388 }
389
390
391 /* Window surface support */
392
393 struct android_window_surface
394 {
395 struct window_surface header;
396 HWND hwnd;
397 ANativeWindow *window;
398 RECT bounds;
399 BOOL byteswap;
400 RGNDATA *region_data;
401 HRGN region;
402 BYTE alpha;
403 COLORREF color_key;
404 void *bits;
405 CRITICAL_SECTION crit;
406 BITMAPINFO info; /* variable size, must be last */
407 };
408
409 static struct android_window_surface *get_android_surface( struct window_surface *surface )
410 {
411 return (struct android_window_surface *)surface;
412 }
413
414 static inline void reset_bounds( RECT *bounds )
415 {
416 bounds->left = bounds->top = INT_MAX;
417 bounds->right = bounds->bottom = INT_MIN;
418 }
419
420 static inline void add_bounds_rect( RECT *bounds, const RECT *rect )
421 {
422 if (rect->left >= rect->right || rect->top >= rect->bottom) return;
423 bounds->left = min( bounds->left, rect->left );
424 bounds->top = min( bounds->top, rect->top );
425 bounds->right = max( bounds->right, rect->right );
426 bounds->bottom = max( bounds->bottom, rect->bottom );
427 }
428
429 /* store the palette or color mask data in the bitmap info structure */
430 static void set_color_info( BITMAPINFO *info, BOOL has_alpha )
431 {
432 DWORD *colors = (DWORD *)info->bmiColors;
433
434 info->bmiHeader.biSize = sizeof(info->bmiHeader);
435 info->bmiHeader.biClrUsed = 0;
436 info->bmiHeader.biBitCount = 32;
437 if (has_alpha)
438 {
439 info->bmiHeader.biCompression = BI_RGB;
440 return;
441 }
442 info->bmiHeader.biCompression = BI_BITFIELDS;
443 colors[0] = 0xff0000;
444 colors[1] = 0x00ff00;
445 colors[2] = 0x0000ff;
446 }
447
448 /* apply the window region to a single line of the destination image. */
449 static void apply_line_region( DWORD *dst, int width, int x, int y, const RECT *rect, const RECT *end )
450 {
451 while (rect < end && rect->top <= y && width > 0)
452 {
453 if (rect->left > x)
454 {
455 memset( dst, 0, min( rect->left - x, width ) * sizeof(*dst) );
456 dst += rect->left - x;
457 width -= rect->left - x;
458 x = rect->left;
459 }
460 if (rect->right > x)
461 {
462 dst += rect->right - x;
463 width -= rect->right - x;
464 x = rect->right;
465 }
466 rect++;
467 }
468 if (width > 0) memset( dst, 0, width * sizeof(*dst) );
469 }
470
471 /***********************************************************************
472 * android_surface_lock
473 */
474 static void android_surface_lock( struct window_surface *window_surface )
475 {
476 struct android_window_surface *surface = get_android_surface( window_surface );
477
478 EnterCriticalSection( &surface->crit );
479 }
480
481 /***********************************************************************
482 * android_surface_unlock
483 */
484 static void android_surface_unlock( struct window_surface *window_surface )
485 {
486 struct android_window_surface *surface = get_android_surface( window_surface );
487
488 LeaveCriticalSection( &surface->crit );
489 }
490
491 /***********************************************************************
492 * android_surface_get_bitmap_info
493 */
494 static void *android_surface_get_bitmap_info( struct window_surface *window_surface, BITMAPINFO *info )
495 {
496 struct android_window_surface *surface = get_android_surface( window_surface );
497
498 memcpy( info, &surface->info, get_dib_info_size( &surface->info, DIB_RGB_COLORS ));
499 return surface->bits;
500 }
501
502 /***********************************************************************
503 * android_surface_get_bounds
504 */
505 static RECT *android_surface_get_bounds( struct window_surface *window_surface )
506 {
507 struct android_window_surface *surface = get_android_surface( window_surface );
508
509 return &surface->bounds;
510 }
511
512 /***********************************************************************
513 * android_surface_set_region
514 */
515 static void android_surface_set_region( struct window_surface *window_surface, HRGN region )
516 {
517 struct android_window_surface *surface = get_android_surface( window_surface );
518
519 TRACE( "updating surface %p hwnd %p with %p\n", surface, surface->hwnd, region );
520
521 window_surface->funcs->lock( window_surface );
522 if (!region)
523 {
524 if (surface->region) DeleteObject( surface->region );
525 surface->region = 0;
526 }
527 else
528 {
529 if (!surface->region) surface->region = CreateRectRgn( 0, 0, 0, 0 );
530 CombineRgn( surface->region, region, 0, RGN_COPY );
531 }
532 window_surface->funcs->unlock( window_surface );
533 set_surface_region( &surface->header, (HRGN)1 );
534 }
535
536 /***********************************************************************
537 * android_surface_flush
538 */
539 static void android_surface_flush( struct window_surface *window_surface )
540 {
541 struct android_window_surface *surface = get_android_surface( window_surface );
542 ANativeWindow_Buffer buffer;
543 ARect rc;
544 RECT rect;
545 BOOL needs_flush;
546
547 window_surface->funcs->lock( window_surface );
548 SetRect( &rect, 0, 0, surface->header.rect.right - surface->header.rect.left,
549 surface->header.rect.bottom - surface->header.rect.top );
550 needs_flush = IntersectRect( &rect, &rect, &surface->bounds );
551 reset_bounds( &surface->bounds );
552 window_surface->funcs->unlock( window_surface );
553 if (!needs_flush) return;
554
555 TRACE( "flushing %p hwnd %p surface %s rect %s bits %p alpha %02x key %08x region %u rects\n",
556 surface, surface->hwnd, wine_dbgstr_rect( &surface->header.rect ),
557 wine_dbgstr_rect( &rect ), surface->bits, surface->alpha, surface->color_key,
558 surface->region_data ? surface->region_data->rdh.nCount : 0 );
559
560 rc.left = rect.left;
561 rc.top = rect.top;
562 rc.right = rect.right;
563 rc.bottom = rect.bottom;
564
565 if (!surface->window->perform( surface->window, NATIVE_WINDOW_LOCK, &buffer, &rc ))
566 {
567 const RECT *rgn_rect = NULL, *end = NULL;
568 unsigned int *src, *dst;
569 int x, y, width;
570
571 rect.left = rc.left;
572 rect.top = rc.top;
573 rect.right = rc.right;
574 rect.bottom = rc.bottom;
575 IntersectRect( &rect, &rect, &surface->header.rect );
576
577 if (surface->region_data)
578 {
579 rgn_rect = (RECT *)surface->region_data->Buffer;
580 end = rgn_rect + surface->region_data->rdh.nCount;
581 }
582 src = (unsigned int *)surface->bits
583 + (rect.top - surface->header.rect.top) * surface->info.bmiHeader.biWidth
584 + (rect.left - surface->header.rect.left);
585 dst = (unsigned int *)buffer.bits + rect.top * buffer.stride + rect.left;
586 width = min( rect.right - rect.left, buffer.stride );
587
588 for (y = rect.top; y < min( buffer.height, rect.bottom); y++)
589 {
590 if (surface->info.bmiHeader.biCompression == BI_RGB)
591 memcpy( dst, src, width * sizeof(*dst) );
592 else if (surface->alpha == 255)
593 for (x = 0; x < width; x++) dst[x] = src[x] | 0xff000000;
594 else
595 for (x = 0; x < width; x++)
596 dst[x] = ((surface->alpha << 24) |
597 (((BYTE)(src[x] >> 16) * surface->alpha / 255) << 16) |
598 (((BYTE)(src[x] >> 8) * surface->alpha / 255) << 8) |
599 (((BYTE)src[x] * surface->alpha / 255)));
600
601 if (surface->color_key != CLR_INVALID)
602 for (x = 0; x < width; x++) if ((src[x] & 0xffffff) == surface->color_key) dst[x] = 0;
603
604 if (rgn_rect)
605 {
606 while (rgn_rect < end && rgn_rect->bottom <= y) rgn_rect++;
607 apply_line_region( dst, width, rect.left, y, rgn_rect, end );
608 }
609
610 src += surface->info.bmiHeader.biWidth;
611 dst += buffer.stride;
612 }
613 surface->window->perform( surface->window, NATIVE_WINDOW_UNLOCK_AND_POST );
614 }
615 else TRACE( "Unable to lock surface %p window %p buffer %p\n",
616 surface, surface->hwnd, surface->window );
617 }
618
619 /***********************************************************************
620 * android_surface_destroy
621 */
622 static void android_surface_destroy( struct window_surface *window_surface )
623 {
624 struct android_window_surface *surface = get_android_surface( window_surface );
625
626 TRACE( "freeing %p bits %p\n", surface, surface->bits );
627
628 surface->crit.DebugInfo->Spare[0] = 0;
629 DeleteCriticalSection( &surface->crit );
630 HeapFree( GetProcessHeap(), 0, surface->region_data );
631 if (surface->region) DeleteObject( surface->region );
632 release_ioctl_window( surface->window );
633 HeapFree( GetProcessHeap(), 0, surface->bits );
634 HeapFree( GetProcessHeap(), 0, surface );
635 }
636
637 static const struct window_surface_funcs android_surface_funcs =
638 {
639 android_surface_lock,
640 android_surface_unlock,
641 android_surface_get_bitmap_info,
642 android_surface_get_bounds,
643 android_surface_set_region,
644 android_surface_flush,
645 android_surface_destroy
646 };
647
648 static BOOL is_argb_surface( struct window_surface *surface )
649 {
650 return surface && surface->funcs == &android_surface_funcs &&
651 get_android_surface( surface )->info.bmiHeader.biCompression == BI_RGB;
652 }
653
654 /***********************************************************************
655 * set_color_key
656 */
657 static void set_color_key( struct android_window_surface *surface, COLORREF key )
658 {
659 if (key == CLR_INVALID)
660 surface->color_key = CLR_INVALID;
661 else if (surface->info.bmiHeader.biBitCount <= 8)
662 surface->color_key = CLR_INVALID;
663 else if (key & (1 << 24)) /* PALETTEINDEX */
664 surface->color_key = 0;
665 else if (key >> 16 == 0x10ff) /* DIBINDEX */
666 surface->color_key = 0;
667 else if (surface->info.bmiHeader.biBitCount == 24)
668 surface->color_key = key;
669 else
670 surface->color_key = (GetRValue(key) << 16) | (GetGValue(key) << 8) | GetBValue(key);
671 }
672
673 /***********************************************************************
674 * set_surface_region
675 */
676 static void set_surface_region( struct window_surface *window_surface, HRGN win_region )
677 {
678 struct android_window_surface *surface = get_android_surface( window_surface );
679 struct android_win_data *win_data;
680 HRGN region = win_region;
681 RGNDATA *data = NULL;
682 DWORD size;
683 int offset_x, offset_y;
684
685 if (window_surface->funcs != &android_surface_funcs) return; /* we may get the null surface */
686
687 if (!(win_data = get_win_data( surface->hwnd ))) return;
688 offset_x = win_data->window_rect.left - win_data->whole_rect.left;
689 offset_y = win_data->window_rect.top - win_data->whole_rect.top;
690 release_win_data( win_data );
691
692 if (win_region == (HRGN)1) /* hack: win_region == 1 means retrieve region from server */
693 {
694 region = CreateRectRgn( 0, 0, win_data->window_rect.right - win_data->window_rect.left,
695 win_data->window_rect.bottom - win_data->window_rect.top );
696 if (GetWindowRgn( surface->hwnd, region ) == ERROR && !surface->region) goto done;
697 }
698
699 OffsetRgn( region, offset_x, offset_y );
700 if (surface->region) CombineRgn( region, region, surface->region, RGN_AND );
701
702 if (!(size = GetRegionData( region, 0, NULL ))) goto done;
703 if (!(data = HeapAlloc( GetProcessHeap(), 0, size ))) goto done;
704
705 if (!GetRegionData( region, size, data ))
706 {
707 HeapFree( GetProcessHeap(), 0, data );
708 data = NULL;
709 }
710
711 done:
712 window_surface->funcs->lock( window_surface );
713 HeapFree( GetProcessHeap(), 0, surface->region_data );
714 surface->region_data = data;
715 *window_surface->funcs->get_bounds( window_surface ) = surface->header.rect;
716 window_surface->funcs->unlock( window_surface );
717 if (region != win_region) DeleteObject( region );
718 }
719
720 /***********************************************************************
721 * create_surface
722 */
723 static struct window_surface *create_surface( HWND hwnd, const RECT *rect,
724 BYTE alpha, COLORREF color_key, BOOL src_alpha )
725 {
726 struct android_window_surface *surface;
727 int width = rect->right - rect->left, height = rect->bottom - rect->top;
728
729 surface = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
730 FIELD_OFFSET( struct android_window_surface, info.bmiColors[3] ));
731 if (!surface) return NULL;
732 set_color_info( &surface->info, src_alpha );
733 surface->info.bmiHeader.biWidth = width;
734 surface->info.bmiHeader.biHeight = -height; /* top-down */
735 surface->info.bmiHeader.biPlanes = 1;
736 surface->info.bmiHeader.biSizeImage = get_dib_image_size( &surface->info );
737
738 InitializeCriticalSection( &surface->crit );
739 surface->crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": surface");
740
741 surface->header.funcs = &android_surface_funcs;
742 surface->header.rect = *rect;
743 surface->header.ref = 1;
744 surface->hwnd = hwnd;
745 surface->window = get_ioctl_window( hwnd );
746 surface->alpha = alpha;
747 set_color_key( surface, color_key );
748 set_surface_region( &surface->header, (HRGN)1 );
749 reset_bounds( &surface->bounds );
750
751 if (!(surface->bits = HeapAlloc( GetProcessHeap(), 0, surface->info.bmiHeader.biSizeImage )))
752 goto failed;
753
754 TRACE( "created %p hwnd %p %s bits %p-%p\n", surface, hwnd, wine_dbgstr_rect(rect),
755 surface->bits, (char *)surface->bits + surface->info.bmiHeader.biSizeImage );
756
757 return &surface->header;
758
759 failed:
760 android_surface_destroy( &surface->header );
761 return NULL;
762 }
763
764 /***********************************************************************
765 * set_surface_layered
766 */
767 static void set_surface_layered( struct window_surface *window_surface, BYTE alpha, COLORREF color_key )
768 {
769 struct android_window_surface *surface = get_android_surface( window_surface );
770 COLORREF prev_key;
771 BYTE prev_alpha;
772
773 if (window_surface->funcs != &android_surface_funcs) return; /* we may get the null surface */
774
775 window_surface->funcs->lock( window_surface );
776 prev_key = surface->color_key;
777 prev_alpha = surface->alpha;
778 surface->alpha = alpha;
779 set_color_key( surface, color_key );
780 if (alpha != prev_alpha || surface->color_key != prev_key) /* refresh */
781 *window_surface->funcs->get_bounds( window_surface ) = surface->header.rect;
782 window_surface->funcs->unlock( window_surface );
783 }
784
785
786 static WNDPROC desktop_orig_wndproc;
787
788 static LRESULT CALLBACK desktop_wndproc_wrapper( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp )
789 {
790 switch (msg)
791 {
792 case WM_PARENTNOTIFY:
793 if (LOWORD(wp) == WM_DESTROY) destroy_ioctl_window( (HWND)lp );
794 break;
795 }
796 return desktop_orig_wndproc( hwnd, msg, wp, lp );
797 }
798
799
800 /***********************************************************************
801 * ANDROID_MsgWaitForMultipleObjectsEx
802 */
803 DWORD CDECL ANDROID_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles,
804 DWORD timeout, DWORD mask, DWORD flags )
805 {
806 if (GetCurrentThreadId() == desktop_tid)
807 {
808 /* don't process nested events */
809 if (current_event) mask = 0;
810 if (process_events( mask )) return count - 1;
811 }
812 return WaitForMultipleObjectsEx( count, handles, flags & MWMO_WAITALL,
813 timeout, flags & MWMO_ALERTABLE );
814 }
815
816 /**********************************************************************
817 * ANDROID_CreateWindow
818 */
819 BOOL CDECL ANDROID_CreateWindow( HWND hwnd )
820 {
821 TRACE( "%p\n", hwnd );
822
823 if (hwnd == GetDesktopWindow())
824 {
825 struct android_win_data *data;
826
827 init_event_queue();
828 start_android_device();
829 desktop_orig_wndproc = (WNDPROC)SetWindowLongPtrW( hwnd, GWLP_WNDPROC,
830 (LONG_PTR)desktop_wndproc_wrapper );
831 if (!(data = alloc_win_data( hwnd ))) return FALSE;
832 release_win_data( data );
833 }
834 return TRUE;
835 }
836
837
838 /***********************************************************************
839 * ANDROID_DestroyWindow
840 */
841 void CDECL ANDROID_DestroyWindow( HWND hwnd )
842 {
843 struct android_win_data *data;
844
845 if (!(data = get_win_data( hwnd ))) return;
846
847 if (data->surface) window_surface_release( data->surface );
848 data->surface = NULL;
849 free_win_data( data );
850 }
851
852
853 /***********************************************************************
854 * create_win_data
855 *
856 * Create a data window structure for an existing window.
857 */
858 static struct android_win_data *create_win_data( HWND hwnd, const RECT *window_rect,
859 const RECT *client_rect )
860 {
861 struct android_win_data *data;
862 HWND parent;
863
864 if (!(parent = GetAncestor( hwnd, GA_PARENT ))) return NULL; /* desktop or HWND_MESSAGE */
865
866 if (parent != GetDesktopWindow())
867 {
868 if (!(data = get_win_data( parent )) &&
869 !(data = create_win_data( parent, NULL, NULL )))
870 return NULL;
871 release_win_data( data );
872 }
873
874 if (!(data = alloc_win_data( hwnd ))) return NULL;
875
876 data->parent = (parent == GetDesktopWindow()) ? 0 : parent;
877
878 if (window_rect)
879 {
880 data->whole_rect = data->window_rect = *window_rect;
881 data->client_rect = *client_rect;
882 }
883 else
884 {
885 GetWindowRect( hwnd, &data->window_rect );
886 MapWindowPoints( 0, parent, (POINT *)&data->window_rect, 2 );
887 data->whole_rect = data->window_rect;
888 GetClientRect( hwnd, &data->client_rect );
889 MapWindowPoints( hwnd, parent, (POINT *)&data->client_rect, 2 );
890 ioctl_window_pos_changed( hwnd, &data->window_rect, &data->client_rect, &data->whole_rect,
891 GetWindowLongW( hwnd, GWL_STYLE ), SWP_NOACTIVATE,
892 GetWindow( hwnd, GW_HWNDPREV ), GetWindow( hwnd, GW_OWNER ));
893 }
894 return data;
895 }
896
897
898 static inline RECT get_surface_rect( const RECT *visible_rect )
899 {
900 RECT rect;
901
902 IntersectRect( &rect, visible_rect, &virtual_screen_rect );
903 OffsetRect( &rect, -visible_rect->left, -visible_rect->top );
904 rect.left &= ~31;
905 rect.top &= ~31;
906 rect.right = max( rect.left + 32, (rect.right + 31) & ~31 );
907 rect.bottom = max( rect.top + 32, (rect.bottom + 31) & ~31 );
908 return rect;
909 }
910
911
912 /***********************************************************************
913 * ANDROID_WindowPosChanging
914 */
915 void CDECL ANDROID_WindowPosChanging( HWND hwnd, HWND insert_after, UINT swp_flags,
916 const RECT *window_rect, const RECT *client_rect, RECT *visible_rect,
917 struct window_surface **surface )
918 {
919 struct android_win_data *data = get_win_data( hwnd );
920 RECT surface_rect;
921 DWORD flags;
922 COLORREF key;
923 BYTE alpha;
924 BOOL layered = GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_LAYERED;
925
926 TRACE( "win %p window %s client %s style %08x flags %08x\n",
927 hwnd, wine_dbgstr_rect(window_rect), wine_dbgstr_rect(client_rect),
928 GetWindowLongW( hwnd, GWL_STYLE ), swp_flags );
929
930 if (!data && !(data = create_win_data( hwnd, window_rect, client_rect ))) return;
931
932 *visible_rect = *window_rect;
933
934 /* create the window surface if necessary */
935
936 if (data->parent) goto done;
937 if (swp_flags & SWP_HIDEWINDOW) goto done;
938 if (is_argb_surface( data->surface )) goto done;
939
940 surface_rect = get_surface_rect( visible_rect );
941 if (data->surface)
942 {
943 if (!memcmp( &data->surface->rect, &surface_rect, sizeof(surface_rect) ))
944 {
945 /* existing surface is good enough */
946 window_surface_add_ref( data->surface );
947 if (*surface) window_surface_release( *surface );
948 *surface = data->surface;
949 goto done;
950 }
951 }
952 if (!(swp_flags & SWP_SHOWWINDOW) && !(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)) goto done;
953
954 if (!layered || !GetLayeredWindowAttributes( hwnd, &key, &alpha, &flags )) flags = 0;
955 if (!(flags & LWA_ALPHA)) alpha = 255;
956 if (!(flags & LWA_COLORKEY)) key = CLR_INVALID;
957
958 if (*surface) window_surface_release( *surface );
959 *surface = create_surface( data->hwnd, &surface_rect, alpha, key, FALSE );
960
961 done:
962 release_win_data( data );
963 }
964
965
966 /***********************************************************************
967 * ANDROID_WindowPosChanged
968 */
969 void CDECL ANDROID_WindowPosChanged( HWND hwnd, HWND insert_after, UINT swp_flags,
970 const RECT *window_rect, const RECT *client_rect,
971 const RECT *visible_rect, const RECT *valid_rects,
972 struct window_surface *surface )
973 {
974 struct android_win_data *data;
975 DWORD new_style = GetWindowLongW( hwnd, GWL_STYLE );
976 HWND owner = 0;
977
978 if (!(data = get_win_data( hwnd ))) return;
979
980 data->window_rect = *window_rect;
981 data->whole_rect = *visible_rect;
982 data->client_rect = *client_rect;
983
984 if (!is_argb_surface( data->surface ))
985 {
986 if (surface) window_surface_add_ref( surface );
987 if (data->surface) window_surface_release( data->surface );
988 data->surface = surface;
989 }
990 if (!data->parent) owner = GetWindow( hwnd, GW_OWNER );
991 release_win_data( data );
992
993 TRACE( "win %p window %s client %s style %08x owner %p flags %08x\n", hwnd,
994 wine_dbgstr_rect(window_rect), wine_dbgstr_rect(client_rect), new_style, owner, swp_flags );
995
996 ioctl_window_pos_changed( hwnd, window_rect, client_rect, visible_rect,
997 new_style, swp_flags, insert_after, owner );
998 }
999
1000
1001 /***********************************************************************
1002 * ANDROID_SetWindowStyle
1003 */
1004 void CDECL ANDROID_SetWindowStyle( HWND hwnd, INT offset, STYLESTRUCT *style )
1005 {
1006 struct android_win_data *data;
1007 DWORD changed = style->styleNew ^ style->styleOld;
1008
1009 if (hwnd == GetDesktopWindow()) return;
1010 if (!(data = get_win_data( hwnd ))) return;
1011
1012 if (offset == GWL_EXSTYLE && (changed & WS_EX_LAYERED)) /* changing WS_EX_LAYERED resets attributes */
1013 {
1014 if (is_argb_surface( data->surface ))
1015 {
1016 if (data->surface) window_surface_release( data->surface );
1017 data->surface = NULL;
1018 }
1019 else if (data->surface) set_surface_layered( data->surface, 255, CLR_INVALID );
1020 }
1021 release_win_data( data );
1022 }
1023
1024
1025 /***********************************************************************
1026 * ANDROID_SetWindowRgn
1027 */
1028 void CDECL ANDROID_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
1029 {
1030 struct android_win_data *data;
1031
1032 if ((data = get_win_data( hwnd )))
1033 {
1034 if (data->surface) set_surface_region( data->surface, hrgn );
1035 release_win_data( data );
1036 }
1037 else FIXME( "not supported on other process window %p\n", hwnd );
1038 }
1039
1040
1041 /***********************************************************************
1042 * ANDROID_SetLayeredWindowAttributes
1043 */
1044 void CDECL ANDROID_SetLayeredWindowAttributes( HWND hwnd, COLORREF key, BYTE alpha, DWORD flags )
1045 {
1046 struct android_win_data *data;
1047
1048 if (!(flags & LWA_ALPHA)) alpha = 255;
1049 if (!(flags & LWA_COLORKEY)) key = CLR_INVALID;
1050
1051 if ((data = get_win_data( hwnd )))
1052 {
1053 if (data->surface) set_surface_layered( data->surface, alpha, key );
1054 release_win_data( data );
1055 }
1056 }
1057
1058
1059 /*****************************************************************************
1060 * ANDROID_UpdateLayeredWindow
1061 */
1062 BOOL CDECL ANDROID_UpdateLayeredWindow( HWND hwnd, const UPDATELAYEREDWINDOWINFO *info,
1063 const RECT *window_rect )
1064 {
1065 struct window_surface *surface;
1066 struct android_win_data *data;
1067 BLENDFUNCTION blend = { AC_SRC_OVER, 0, 255, 0 };
1068 COLORREF color_key = (info->dwFlags & ULW_COLORKEY) ? info->crKey : CLR_INVALID;
1069 char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
1070 BITMAPINFO *bmi = (BITMAPINFO *)buffer;
1071 void *src_bits, *dst_bits;
1072 RECT rect;
1073 HDC hdc = 0;
1074 HBITMAP dib;
1075 BOOL ret = FALSE;
1076
1077 if (!(data = get_win_data( hwnd ))) return FALSE;
1078
1079 rect = *window_rect;
1080 OffsetRect( &rect, -window_rect->left, -window_rect->top );
1081
1082 surface = data->surface;
1083 if (!is_argb_surface( surface ))
1084 {
1085 if (surface) window_surface_release( surface );
1086 surface = NULL;
1087 }
1088
1089 if (!surface || memcmp( &surface->rect, &rect, sizeof(RECT) ))
1090 {
1091 data->surface = create_surface( data->hwnd, &rect, 255, color_key, TRUE );
1092 if (surface) window_surface_release( surface );
1093 surface = data->surface;
1094 }
1095 else set_surface_layered( surface, 255, color_key );
1096
1097 if (surface) window_surface_add_ref( surface );
1098 release_win_data( data );
1099
1100 if (!surface) return FALSE;
1101 if (!info->hdcSrc)
1102 {
1103 window_surface_release( surface );
1104 return TRUE;
1105 }
1106
1107 dst_bits = surface->funcs->get_info( surface, bmi );
1108
1109 if (!(dib = CreateDIBSection( info->hdcDst, bmi, DIB_RGB_COLORS, &src_bits, NULL, 0 ))) goto done;
1110 if (!(hdc = CreateCompatibleDC( 0 ))) goto done;
1111
1112 SelectObject( hdc, dib );
1113
1114 surface->funcs->lock( surface );
1115
1116 if (info->prcDirty)
1117 {
1118 IntersectRect( &rect, &rect, info->prcDirty );
1119 memcpy( src_bits, dst_bits, bmi->bmiHeader.biSizeImage );
1120 PatBlt( hdc, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, BLACKNESS );
1121 }
1122 ret = GdiAlphaBlend( hdc, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top,
1123 info->hdcSrc,
1124 rect.left + (info->pptSrc ? info->pptSrc->x : 0),
1125 rect.top + (info->pptSrc ? info->pptSrc->y : 0),
1126 rect.right - rect.left, rect.bottom - rect.top,
1127 (info->dwFlags & ULW_ALPHA) ? *info->pblend : blend );
1128 if (ret)
1129 {
1130 memcpy( dst_bits, src_bits, bmi->bmiHeader.biSizeImage );
1131 add_bounds_rect( surface->funcs->get_bounds( surface ), &rect );
1132 }
1133
1134 surface->funcs->unlock( surface );
1135 surface->funcs->flush( surface );
1136
1137 done:
1138 window_surface_release( surface );
1139 if (hdc) DeleteDC( hdc );
1140 if (dib) DeleteObject( dib );
1141 return ret;
1142 }
1143
1144
1145 /**********************************************************************
1146 * ANDROID_WindowMessage
1147 */
1148 LRESULT CDECL ANDROID_WindowMessage( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp )
1149 {
1150 struct android_win_data *data;
1151
1152 switch (msg)
1153 {
1154 case WM_ANDROID_REFRESH:
1155 if ((data = get_win_data( hwnd )))
1156 {
1157 struct window_surface *surface = data->surface;
1158 if (surface)
1159 {
1160 surface->funcs->lock( surface );
1161 *surface->funcs->get_bounds( surface ) = surface->rect;
1162 surface->funcs->unlock( surface );
1163 if (is_argb_surface( surface )) surface->funcs->flush( surface );
1164 }
1165 release_win_data( data );
1166 }
1167 return 0;
1168 default:
1169 FIXME( "got window msg %x hwnd %p wp %lx lp %lx\n", msg, hwnd, wp, lp );
1170 return 0;
1171 }
1172 }
1173
1174
1175 /***********************************************************************
1176 * ANDROID_create_desktop
1177 */
1178 BOOL CDECL ANDROID_create_desktop( UINT width, UINT height )
1179 {
1180 /* wait until we receive the surface changed event */
1181 while (!screen_width)
1182 {
1183 if (wait_events( 2000 ) != 1)
1184 {
1185 ERR( "wait timed out\n" );
1186 break;
1187 }
1188 process_events( QS_ALLINPUT );
1189 }
1190 return TRUE;
1191 }
Windows API implementation