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winex11: Disallow clipping to fullscreen rectangle if XInput2 is not available.
[wine/multimedia.git] / dlls / winex11.drv / mouse.c
blob85df63b74e3d9151a7b7da28345377dce433c657
1 /*
2 * X11 mouse driver
3 *
4 * Copyright 1998 Ulrich Weigand
5 * Copyright 2007 Henri Verbeet
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include "config.h"
23 #include "wine/port.h"
24
25 #include <X11/Xlib.h>
26 #include <X11/cursorfont.h>
27 #include <stdarg.h>
28 #ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
29 #include <X11/extensions/XInput2.h>
30 #endif
31
32 #ifdef SONAME_LIBXCURSOR
33 # include <X11/Xcursor/Xcursor.h>
34 static void *xcursor_handle;
35 # define MAKE_FUNCPTR(f) static typeof(f) * p##f
36 MAKE_FUNCPTR(XcursorImageCreate);
37 MAKE_FUNCPTR(XcursorImageDestroy);
38 MAKE_FUNCPTR(XcursorImageLoadCursor);
39 MAKE_FUNCPTR(XcursorImagesCreate);
40 MAKE_FUNCPTR(XcursorImagesDestroy);
41 MAKE_FUNCPTR(XcursorImagesLoadCursor);
42 MAKE_FUNCPTR(XcursorLibraryLoadCursor);
43 # undef MAKE_FUNCPTR
44 #endif /* SONAME_LIBXCURSOR */
45
46 #define NONAMELESSUNION
47 #define NONAMELESSSTRUCT
48 #define OEMRESOURCE
49 #include "windef.h"
50 #include "winbase.h"
51 #include "winreg.h"
52
53 #include "x11drv.h"
54 #include "wine/server.h"
55 #include "wine/library.h"
56 #include "wine/unicode.h"
57 #include "wine/debug.h"
58
59 WINE_DEFAULT_DEBUG_CHANNEL(cursor);
60
61 /**********************************************************************/
62
63 #ifndef Button6Mask
64 #define Button6Mask (1<<13)
65 #endif
66 #ifndef Button7Mask
67 #define Button7Mask (1<<14)
68 #endif
69
70 #define NB_BUTTONS 9 /* Windows can handle 5 buttons and the wheel too */
71
72 static const UINT button_down_flags[NB_BUTTONS] =
73 {
74 MOUSEEVENTF_LEFTDOWN,
75 MOUSEEVENTF_MIDDLEDOWN,
76 MOUSEEVENTF_RIGHTDOWN,
77 MOUSEEVENTF_WHEEL,
78 MOUSEEVENTF_WHEEL,
79 MOUSEEVENTF_XDOWN, /* FIXME: horizontal wheel */
80 MOUSEEVENTF_XDOWN,
81 MOUSEEVENTF_XDOWN,
82 MOUSEEVENTF_XDOWN
83 };
84
85 static const UINT button_up_flags[NB_BUTTONS] =
86 {
87 MOUSEEVENTF_LEFTUP,
88 MOUSEEVENTF_MIDDLEUP,
89 MOUSEEVENTF_RIGHTUP,
90 0,
91 0,
92 MOUSEEVENTF_XUP,
93 MOUSEEVENTF_XUP,
94 MOUSEEVENTF_XUP,
95 MOUSEEVENTF_XUP
96 };
97
98 static const UINT button_down_data[NB_BUTTONS] =
99 {
100 0,
101 0,
102 0,
103 WHEEL_DELTA,
104 -WHEEL_DELTA,
105 XBUTTON1,
106 XBUTTON2,
107 XBUTTON1,
108 XBUTTON2
109 };
110
111 static const UINT button_up_data[NB_BUTTONS] =
112 {
113 0,
114 0,
115 0,
116 0,
117 0,
118 XBUTTON1,
119 XBUTTON2,
120 XBUTTON1,
121 XBUTTON2
122 };
123
124 static HWND cursor_window;
125 static HCURSOR last_cursor;
126 static DWORD last_cursor_change;
127 static XContext cursor_context;
128 static RECT clip_rect;
129 static Cursor create_cursor( HANDLE handle );
130
131 #ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
132 static BOOL xinput2_available;
133 static int xinput2_core_pointer;
134 static int xinput2_device_count;
135 static XIDeviceInfo *xinput2_devices;
136 #define MAKE_FUNCPTR(f) static typeof(f) * p##f
137 MAKE_FUNCPTR(XIFreeDeviceInfo);
138 MAKE_FUNCPTR(XIQueryDevice);
139 MAKE_FUNCPTR(XIQueryVersion);
140 MAKE_FUNCPTR(XISelectEvents);
141 #undef MAKE_FUNCPTR
142 #endif
143
144 /***********************************************************************
145 * X11DRV_Xcursor_Init
146 *
147 * Load the Xcursor library for use.
148 */
149 void X11DRV_Xcursor_Init(void)
150 {
151 #ifdef SONAME_LIBXCURSOR
152 xcursor_handle = wine_dlopen(SONAME_LIBXCURSOR, RTLD_NOW, NULL, 0);
153 if (!xcursor_handle) /* wine_dlopen failed. */
154 {
155 WARN("Xcursor failed to load. Using fallback code.\n");
156 return;
157 }
158 #define LOAD_FUNCPTR(f) \
159 p##f = wine_dlsym(xcursor_handle, #f, NULL, 0)
160
161 LOAD_FUNCPTR(XcursorImageCreate);
162 LOAD_FUNCPTR(XcursorImageDestroy);
163 LOAD_FUNCPTR(XcursorImageLoadCursor);
164 LOAD_FUNCPTR(XcursorImagesCreate);
165 LOAD_FUNCPTR(XcursorImagesDestroy);
166 LOAD_FUNCPTR(XcursorImagesLoadCursor);
167 LOAD_FUNCPTR(XcursorLibraryLoadCursor);
168 #undef LOAD_FUNCPTR
169 #endif /* SONAME_LIBXCURSOR */
170 }
171
172
173 /***********************************************************************
174 * get_empty_cursor
175 */
176 static Cursor get_empty_cursor(void)
177 {
178 static Cursor cursor;
179 static const char data[] = { 0 };
180
181 wine_tsx11_lock();
182 if (!cursor)
183 {
184 XColor bg;
185 Pixmap pixmap;
186
187 bg.red = bg.green = bg.blue = 0x0000;
188 pixmap = XCreateBitmapFromData( gdi_display, root_window, data, 1, 1 );
189 if (pixmap)
190 {
191 cursor = XCreatePixmapCursor( gdi_display, pixmap, pixmap, &bg, &bg, 0, 0 );
192 XFreePixmap( gdi_display, pixmap );
193 }
194 }
195 wine_tsx11_unlock();
196 return cursor;
197 }
198
199 /***********************************************************************
200 * set_window_cursor
201 */
202 void set_window_cursor( Window window, HCURSOR handle )
203 {
204 Cursor cursor, prev;
205
206 wine_tsx11_lock();
207 if (!handle) cursor = get_empty_cursor();
208 else if (!cursor_context || XFindContext( gdi_display, (XID)handle, cursor_context, (char **)&cursor ))
209 {
210 /* try to create it */
211 wine_tsx11_unlock();
212 if (!(cursor = create_cursor( handle ))) return;
213
214 wine_tsx11_lock();
215 if (!cursor_context) cursor_context = XUniqueContext();
216 if (!XFindContext( gdi_display, (XID)handle, cursor_context, (char **)&prev ))
217 {
218 /* someone else was here first */
219 XFreeCursor( gdi_display, cursor );
220 cursor = prev;
221 }
222 else
223 {
224 XSaveContext( gdi_display, (XID)handle, cursor_context, (char *)cursor );
225 TRACE( "cursor %p created %lx\n", handle, cursor );
226 }
227 }
228
229 XDefineCursor( gdi_display, window, cursor );
230 /* make the change take effect immediately */
231 XFlush( gdi_display );
232 wine_tsx11_unlock();
233 }
234
235 /***********************************************************************
236 * sync_window_cursor
237 */
238 void sync_window_cursor( Window window )
239 {
240 HCURSOR cursor;
241
242 SERVER_START_REQ( set_cursor )
243 {
244 req->flags = 0;
245 wine_server_call( req );
246 cursor = reply->prev_count >= 0 ? wine_server_ptr_handle( reply->prev_handle ) : 0;
247 }
248 SERVER_END_REQ;
249
250 set_window_cursor( window, cursor );
251 }
252
253 /***********************************************************************
254 * enable_xinput2
255 */
256 static void enable_xinput2(void)
257 {
258 #ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
259 struct x11drv_thread_data *data = x11drv_thread_data();
260 XIEventMask mask;
261 unsigned char mask_bits[XIMaskLen(XI_LASTEVENT)];
262 int i, j;
263
264 if (!xinput2_available) return;
265
266 if (data->xi2_state == xi_unknown)
267 {
268 int major = 2, minor = 0;
269 wine_tsx11_lock();
270 if (!pXIQueryVersion( data->display, &major, &minor )) data->xi2_state = xi_disabled;
271 else
272 {
273 data->xi2_state = xi_unavailable;
274 WARN( "X Input 2 not available\n" );
275 }
276 wine_tsx11_unlock();
277 }
278 if (data->xi2_state == xi_unavailable) return;
279
280 wine_tsx11_lock();
281 if (xinput2_devices) pXIFreeDeviceInfo( xinput2_devices );
282 xinput2_devices = pXIQueryDevice( data->display, XIAllDevices, &xinput2_device_count );
283 for (i = 0; i < xinput2_device_count; ++i)
284 {
285 if (xinput2_devices[i].use != XIMasterPointer) continue;
286 for (j = 0; j < xinput2_devices[i].num_classes; j++)
287 {
288 XIValuatorClassInfo *class = (XIValuatorClassInfo *)xinput2_devices[i].classes[j];
289
290 if (xinput2_devices[i].classes[j]->type != XIValuatorClass) continue;
291 if (class->number != 0 && class->number != 1) continue;
292 TRACE( "Device %u (%s) class %u num %u %f,%f res %u mode %u\n",
293 xinput2_devices[i].deviceid, debugstr_a(xinput2_devices[i].name),
294 j, class->number, class->min, class->max, class->resolution, class->mode );
295 if (class->mode == XIModeAbsolute)
296 {
297 TRACE( "Device is absolute, not enabling XInput2\n" );
298 goto done;
299 }
300 }
301 TRACE( "Using %u (%s) as core pointer\n",
302 xinput2_devices[i].deviceid, debugstr_a(xinput2_devices[i].name) );
303 xinput2_core_pointer = xinput2_devices[i].deviceid;
304 break;
305 }
306
307 mask.mask = mask_bits;
308 mask.mask_len = sizeof(mask_bits);
309 memset( mask_bits, 0, sizeof(mask_bits) );
310 XISetMask( mask_bits, XI_RawMotion );
311 XISetMask( mask_bits, XI_ButtonPress );
312
313 for (i = 0; i < xinput2_device_count; ++i)
314 {
315 if (xinput2_devices[i].use == XISlavePointer &&
316 xinput2_devices[i].attachment == xinput2_core_pointer)
317 {
318 TRACE( "Device %u (%s) is attached to the core pointer\n",
319 xinput2_devices[i].deviceid, debugstr_a(xinput2_devices[i].name) );
320 mask.deviceid = xinput2_devices[i].deviceid;
321 pXISelectEvents( data->display, DefaultRootWindow( data->display ), &mask, 1 );
322 data->xi2_state = xi_enabled;
323 }
324 }
325
326 done:
327 wine_tsx11_unlock();
328 #endif
329 }
330
331 /***********************************************************************
332 * disable_xinput2
333 */
334 static void disable_xinput2(void)
335 {
336 #ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
337 struct x11drv_thread_data *data = x11drv_thread_data();
338 XIEventMask mask;
339 int i;
340
341 if (data->xi2_state != xi_enabled) return;
342
343 TRACE( "disabling\n" );
344 data->xi2_state = xi_disabled;
345
346 mask.mask = NULL;
347 mask.mask_len = 0;
348
349 wine_tsx11_lock();
350 for (i = 0; i < xinput2_device_count; ++i)
351 {
352 if (xinput2_devices[i].use == XISlavePointer &&
353 xinput2_devices[i].attachment == xinput2_core_pointer)
354 {
355 mask.deviceid = xinput2_devices[i].deviceid;
356 pXISelectEvents( data->display, DefaultRootWindow( data->display ), &mask, 1 );
357 }
358 }
359 pXIFreeDeviceInfo( xinput2_devices );
360 xinput2_devices = NULL;
361 xinput2_device_count = 0;
362 wine_tsx11_unlock();
363 #endif
364 }
365
366
367 /***********************************************************************
368 * grab_clipping_window
369 *
370 * Start a pointer grab on the clip window.
371 */
372 static BOOL grab_clipping_window( const RECT *clip, BOOL only_with_xinput )
373 {
374 static const WCHAR messageW[] = {'M','e','s','s','a','g','e',0};
375 struct x11drv_thread_data *data = x11drv_thread_data();
376 Window clip_window;
377 HWND msg_hwnd = 0;
378
379 if (!data) return FALSE;
380 if (!(clip_window = init_clip_window())) return TRUE;
381
382 if (!(msg_hwnd = CreateWindowW( messageW, NULL, 0, 0, 0, 0, 0, HWND_MESSAGE, 0,
383 GetModuleHandleW(0), NULL )))
384 return TRUE;
385
386 /* enable XInput2 unless we are already clipping */
387 if (!data->clip_hwnd) enable_xinput2();
388
389 /* don't clip to 1x1 rectangle if we don't have XInput */
390 if (clip->right - clip->left == 1 && clip->bottom - clip->top == 1) only_with_xinput = TRUE;
391 /* don't clip to fullscreen rectangle either (with 1-pixel offset to catch the dinput case) */
392 if (clip->left <= virtual_screen_rect.left + 1 || clip->right >= virtual_screen_rect.right - 1 ||
393 clip->top <= virtual_screen_rect.top + 1 || clip->bottom >= virtual_screen_rect.bottom - 1)
394 only_with_xinput = TRUE;
395
396 if (only_with_xinput && data->xi2_state != xi_enabled)
397 {
398 WARN( "XInput2 not supported, refusing to clip to %s\n", wine_dbgstr_rect(clip) );
399 DestroyWindow( msg_hwnd );
400 ClipCursor( NULL );
401 return TRUE;
402 }
403
404 TRACE( "clipping to %s win %lx\n", wine_dbgstr_rect(clip), clip_window );
405
406 wine_tsx11_lock();
407 if (!data->clip_hwnd) XUnmapWindow( data->display, clip_window );
408 XMoveResizeWindow( data->display, clip_window,
409 clip->left - virtual_screen_rect.left, clip->top - virtual_screen_rect.top,
410 max( 1, clip->right - clip->left ), max( 1, clip->bottom - clip->top ) );
411 XMapWindow( data->display, clip_window );
412
413 /* if the rectangle is shrinking we may get a pointer warp */
414 if (!data->clip_hwnd || clip->left > clip_rect.left || clip->top > clip_rect.top ||
415 clip->right < clip_rect.right || clip->bottom < clip_rect.bottom)
416 data->warp_serial = NextRequest( data->display );
417
418 if (!XGrabPointer( data->display, clip_window, False,
419 PointerMotionMask | ButtonPressMask | ButtonReleaseMask,
420 GrabModeAsync, GrabModeAsync, clip_window, None, CurrentTime ))
421 clipping_cursor = 1;
422 wine_tsx11_unlock();
423
424 if (!clipping_cursor)
425 {
426 disable_xinput2();
427 DestroyWindow( msg_hwnd );
428 return FALSE;
429 }
430 clip_rect = *clip;
431 if (!data->clip_hwnd) sync_window_cursor( clip_window );
432 InterlockedExchangePointer( (void **)&cursor_window, msg_hwnd );
433 data->clip_hwnd = msg_hwnd;
434 SendMessageW( GetDesktopWindow(), WM_X11DRV_CLIP_CURSOR, 0, (LPARAM)msg_hwnd );
435 return TRUE;
436 }
437
438 /***********************************************************************
439 * ungrab_clipping_window
440 *
441 * Release the pointer grab on the clip window.
442 */
443 void ungrab_clipping_window(void)
444 {
445 Display *display = thread_init_display();
446 Window clip_window = init_clip_window();
447
448 if (!clip_window) return;
449
450 TRACE( "no longer clipping\n" );
451 wine_tsx11_lock();
452 XUnmapWindow( display, clip_window );
453 wine_tsx11_unlock();
454 clipping_cursor = 0;
455 SendMessageW( GetDesktopWindow(), WM_X11DRV_CLIP_CURSOR, 0, 0 );
456 }
457
458 /***********************************************************************
459 * reset_clipping_window
460 *
461 * Forcibly reset the window clipping on external events.
462 */
463 void reset_clipping_window(void)
464 {
465 ungrab_clipping_window();
466 ClipCursor( NULL ); /* make sure the clip rectangle is reset too */
467 }
468
469 /***********************************************************************
470 * clip_cursor_notify
471 *
472 * Notification function called upon receiving a WM_X11DRV_CLIP_CURSOR.
473 */
474 LRESULT clip_cursor_notify( HWND hwnd, HWND new_clip_hwnd )
475 {
476 struct x11drv_thread_data *data = x11drv_thread_data();
477
478 if (hwnd == GetDesktopWindow()) /* change the clip window stored in the desktop process */
479 {
480 static HWND clip_hwnd;
481
482 HWND prev = clip_hwnd;
483 clip_hwnd = new_clip_hwnd;
484 if (prev || new_clip_hwnd) TRACE( "clip hwnd changed from %p to %p\n", prev, new_clip_hwnd );
485 if (prev) SendNotifyMessageW( prev, WM_X11DRV_CLIP_CURSOR, 0, 0 );
486 }
487 else if (hwnd == data->clip_hwnd) /* this is a notification that clipping has been reset */
488 {
489 TRACE( "clip hwnd reset from %p\n", hwnd );
490 data->clip_hwnd = 0;
491 data->clip_reset = GetTickCount();
492 disable_xinput2();
493 DestroyWindow( hwnd );
494 }
495 else if (hwnd == GetForegroundWindow()) /* request to clip */
496 {
497 RECT clip;
498
499 GetClipCursor( &clip );
500 if (clip.left > virtual_screen_rect.left || clip.right < virtual_screen_rect.right ||
501 clip.top > virtual_screen_rect.top || clip.bottom < virtual_screen_rect.bottom)
502 return grab_clipping_window( &clip, FALSE );
503 }
504 return 0;
505 }
506
507 /***********************************************************************
508 * clip_fullscreen_window
509 *
510 * Turn on clipping if the active window is fullscreen.
511 */
512 BOOL clip_fullscreen_window( HWND hwnd, BOOL reset )
513 {
514 struct x11drv_win_data *data;
515 struct x11drv_thread_data *thread_data;
516 RECT rect;
517 DWORD style;
518
519 if (hwnd == GetDesktopWindow()) return FALSE;
520 if (!(data = X11DRV_get_win_data( hwnd ))) return FALSE;
521 style = GetWindowLongW( hwnd, GWL_STYLE );
522 if (!(style & WS_VISIBLE)) return FALSE;
523 if ((style & (WS_POPUP | WS_CHILD)) == WS_CHILD) return FALSE;
524 /* maximized windows don't count as full screen */
525 if ((style & WS_MAXIMIZE) && (style & WS_CAPTION) == WS_CAPTION) return FALSE;
526 if (!is_window_rect_fullscreen( &data->whole_rect )) return FALSE;
527 if (!(thread_data = x11drv_thread_data())) return FALSE;
528 if (GetTickCount() - thread_data->clip_reset < 1000) return FALSE;
529 if (!reset && clipping_cursor && thread_data->clip_hwnd) return FALSE; /* already clipping */
530 SetRect( &rect, 0, 0, screen_width, screen_height );
531 if (!grab_fullscreen)
532 {
533 if (!EqualRect( &rect, &virtual_screen_rect )) return FALSE;
534 if (root_window != DefaultRootWindow( gdi_display )) return FALSE;
535 }
536 TRACE( "win %p clipping fullscreen\n", hwnd );
537 return grab_clipping_window( &rect, TRUE );
538 }
539
540 /***********************************************************************
541 * send_mouse_input
542 *
543 * Update the various window states on a mouse event.
544 */
545 static void send_mouse_input( HWND hwnd, Window window, unsigned int state, INPUT *input )
546 {
547 struct x11drv_win_data *data;
548 POINT pt;
549
550 input->type = INPUT_MOUSE;
551
552 if (!hwnd)
553 {
554 struct x11drv_thread_data *thread_data = x11drv_thread_data();
555 HWND clip_hwnd = thread_data->clip_hwnd;
556
557 if (!clip_hwnd) return;
558 if (thread_data->clip_window != window) return;
559 if (InterlockedExchangePointer( (void **)&cursor_window, clip_hwnd ) != clip_hwnd ||
560 input->u.mi.time - last_cursor_change > 100)
561 {
562 sync_window_cursor( window );
563 last_cursor_change = input->u.mi.time;
564 }
565 input->u.mi.dx += clip_rect.left;
566 input->u.mi.dy += clip_rect.top;
567 __wine_send_input( hwnd, input );
568 return;
569 }
570
571 if (!(data = X11DRV_get_win_data( hwnd ))) return;
572
573 if (window == data->whole_window)
574 {
575 input->u.mi.dx += data->whole_rect.left - data->client_rect.left;
576 input->u.mi.dy += data->whole_rect.top - data->client_rect.top;
577 }
578 if (window == root_window)
579 {
580 input->u.mi.dx += virtual_screen_rect.left;
581 input->u.mi.dy += virtual_screen_rect.top;
582 }
583 pt.x = input->u.mi.dx;
584 pt.y = input->u.mi.dy;
585 if (GetWindowLongW( data->hwnd, GWL_EXSTYLE ) & WS_EX_LAYOUTRTL)
586 pt.x = data->client_rect.right - data->client_rect.left - 1 - pt.x;
587 MapWindowPoints( hwnd, 0, &pt, 1 );
588
589 if (InterlockedExchangePointer( (void **)&cursor_window, hwnd ) != hwnd ||
590 input->u.mi.time - last_cursor_change > 100)
591 {
592 sync_window_cursor( data->whole_window );
593 last_cursor_change = input->u.mi.time;
594 }
595
596 if (hwnd != GetDesktopWindow())
597 {
598 hwnd = GetAncestor( hwnd, GA_ROOT );
599 if ((input->u.mi.dwFlags & (MOUSEEVENTF_LEFTDOWN|MOUSEEVENTF_RIGHTDOWN)) && hwnd == GetForegroundWindow())
600 clip_fullscreen_window( hwnd, FALSE );
601 }
602
603 /* update the wine server Z-order */
604
605 if (window != x11drv_thread_data()->grab_window &&
606 /* ignore event if a button is pressed, since the mouse is then grabbed too */
607 !(state & (Button1Mask|Button2Mask|Button3Mask|Button4Mask|Button5Mask|Button6Mask|Button7Mask)))
608 {
609 RECT rect;
610 SetRect( &rect, pt.x, pt.y, pt.x + 1, pt.y + 1 );
611 MapWindowPoints( 0, hwnd, (POINT *)&rect, 2 );
612
613 SERVER_START_REQ( update_window_zorder )
614 {
615 req->window = wine_server_user_handle( hwnd );
616 req->rect.left = rect.left;
617 req->rect.top = rect.top;
618 req->rect.right = rect.right;
619 req->rect.bottom = rect.bottom;
620 wine_server_call( req );
621 }
622 SERVER_END_REQ;
623 }
624
625 input->u.mi.dx = pt.x;
626 input->u.mi.dy = pt.y;
627 __wine_send_input( hwnd, input );
628 }
629
630 #ifdef SONAME_LIBXCURSOR
631
632 /***********************************************************************
633 * create_xcursor_frame
634 *
635 * Use Xcursor to create a frame of an X cursor from a Windows one.
636 */
637 static XcursorImage *create_xcursor_frame( HDC hdc, const ICONINFOEXW *iinfo, HANDLE icon,
638 HBITMAP hbmColor, unsigned char *color_bits, int color_size,
639 HBITMAP hbmMask, unsigned char *mask_bits, int mask_size,
640 int width, int height, int istep )
641 {
642 XcursorImage *image, *ret = NULL;
643 DWORD delay_jiffies, num_steps;
644 int x, y, i, has_alpha = FALSE;
645 XcursorPixel *ptr;
646
647 wine_tsx11_lock();
648 image = pXcursorImageCreate( width, height );
649 wine_tsx11_unlock();
650 if (!image)
651 {
652 ERR("X11 failed to produce a cursor frame!\n");
653 goto cleanup;
654 }
655
656 image->xhot = iinfo->xHotspot;
657 image->yhot = iinfo->yHotspot;
658
659 image->delay = 100; /* fallback delay, 100 ms */
660 if (GetCursorFrameInfo(icon, 0x0 /* unknown parameter */, istep, &delay_jiffies, &num_steps) != 0)
661 image->delay = (100 * delay_jiffies) / 6; /* convert jiffies (1/60s) to milliseconds */
662 else
663 WARN("Failed to retrieve animated cursor frame-rate for frame %d.\n", istep);
664
665 /* draw the cursor frame to a temporary buffer then copy it into the XcursorImage */
666 memset( color_bits, 0x00, color_size );
667 SelectObject( hdc, hbmColor );
668 if (!DrawIconEx( hdc, 0, 0, icon, width, height, istep, NULL, DI_NORMAL ))
669 {
670 TRACE("Could not draw frame %d (walk past end of frames).\n", istep);
671 goto cleanup;
672 }
673 memcpy( image->pixels, color_bits, color_size );
674
675 /* check if the cursor frame was drawn with an alpha channel */
676 for (i = 0, ptr = image->pixels; i < width * height; i++, ptr++)
677 if ((has_alpha = (*ptr & 0xff000000) != 0)) break;
678
679 /* if no alpha channel was drawn then generate it from the mask */
680 if (!has_alpha)
681 {
682 unsigned int width_bytes = (width + 31) / 32 * 4;
683
684 /* draw the cursor mask to a temporary buffer */
685 memset( mask_bits, 0xFF, mask_size );
686 SelectObject( hdc, hbmMask );
687 if (!DrawIconEx( hdc, 0, 0, icon, width, height, istep, NULL, DI_MASK ))
688 {
689 ERR("Failed to draw frame mask %d.\n", istep);
690 goto cleanup;
691 }
692 /* use the buffer to directly modify the XcursorImage alpha channel */
693 for (y = 0, ptr = image->pixels; y < height; y++)
694 for (x = 0; x < width; x++, ptr++)
695 if (!((mask_bits[y * width_bytes + x / 8] << (x % 8)) & 0x80))
696 *ptr |= 0xff000000;
697 }
698 ret = image;
699
700 cleanup:
701 if (ret == NULL) pXcursorImageDestroy( image );
702 return ret;
703 }
704
705 /***********************************************************************
706 * create_xcursor_cursor
707 *
708 * Use Xcursor to create an X cursor from a Windows one.
709 */
710 static Cursor create_xcursor_cursor( HDC hdc, const ICONINFOEXW *iinfo, HANDLE icon, int width, int height )
711 {
712 unsigned char *color_bits, *mask_bits;
713 HBITMAP hbmColor = 0, hbmMask = 0;
714 DWORD nFrames, delay_jiffies, i;
715 int color_size, mask_size;
716 BITMAPINFO *info = NULL;
717 XcursorImages *images;
718 XcursorImage **imgs;
719 Cursor cursor = 0;
720
721 /* Retrieve the number of frames to render */
722 if (!GetCursorFrameInfo(icon, 0x0 /* unknown parameter */, 0, &delay_jiffies, &nFrames)) return 0;
723 if (!(imgs = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(XcursorImage*)*nFrames ))) return 0;
724
725 /* Allocate all of the resources necessary to obtain a cursor frame */
726 if (!(info = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO, bmiColors[256] )))) goto cleanup;
727 info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
728 info->bmiHeader.biWidth = width;
729 info->bmiHeader.biHeight = -height;
730 info->bmiHeader.biPlanes = 1;
731 info->bmiHeader.biCompression = BI_RGB;
732 info->bmiHeader.biXPelsPerMeter = 0;
733 info->bmiHeader.biYPelsPerMeter = 0;
734 info->bmiHeader.biClrUsed = 0;
735 info->bmiHeader.biClrImportant = 0;
736 info->bmiHeader.biBitCount = 32;
737 color_size = width * height * 4;
738 info->bmiHeader.biSizeImage = color_size;
739 hbmColor = CreateDIBSection( hdc, info, DIB_RGB_COLORS, (VOID **) &color_bits, NULL, 0);
740 if (!hbmColor)
741 {
742 ERR("Failed to create DIB section for cursor color data!\n");
743 goto cleanup;
744 }
745 info->bmiHeader.biBitCount = 1;
746 info->bmiColors[0].rgbRed = 0;
747 info->bmiColors[0].rgbGreen = 0;
748 info->bmiColors[0].rgbBlue = 0;
749 info->bmiColors[0].rgbReserved = 0;
750 info->bmiColors[1].rgbRed = 0xff;
751 info->bmiColors[1].rgbGreen = 0xff;
752 info->bmiColors[1].rgbBlue = 0xff;
753 info->bmiColors[1].rgbReserved = 0;
754
755 mask_size = ((width + 31) / 32 * 4) * height; /* width_bytes * height */
756 info->bmiHeader.biSizeImage = mask_size;
757 hbmMask = CreateDIBSection( hdc, info, DIB_RGB_COLORS, (VOID **) &mask_bits, NULL, 0);
758 if (!hbmMask)
759 {
760 ERR("Failed to create DIB section for cursor mask data!\n");
761 goto cleanup;
762 }
763
764 /* Create an XcursorImage for each frame of the cursor */
765 for (i=0; i<nFrames; i++)
766 {
767 imgs[i] = create_xcursor_frame( hdc, iinfo, icon,
768 hbmColor, color_bits, color_size,
769 hbmMask, mask_bits, mask_size,
770 width, height, i );
771 if (!imgs[i]) goto cleanup;
772 }
773
774 /* Build an X cursor out of all of the frames */
775 if (!(images = pXcursorImagesCreate( nFrames ))) goto cleanup;
776 for (images->nimage = 0; images->nimage < nFrames; images->nimage++)
777 images->images[images->nimage] = imgs[images->nimage];
778 wine_tsx11_lock();
779 cursor = pXcursorImagesLoadCursor( gdi_display, images );
780 wine_tsx11_unlock();
781 pXcursorImagesDestroy( images ); /* Note: this frees each individual frame (calls XcursorImageDestroy) */
782 HeapFree( GetProcessHeap(), 0, imgs );
783 imgs = NULL;
784
785 cleanup:
786 if (imgs)
787 {
788 /* Failed to produce a cursor, free previously allocated frames */
789 for (i=0; i<nFrames && imgs[i]; i++)
790 pXcursorImageDestroy( imgs[i] );
791 HeapFree( GetProcessHeap(), 0, imgs );
792 }
793 /* Cleanup all of the resources used to obtain the frame data */
794 if (hbmColor) DeleteObject( hbmColor );
795 if (hbmMask) DeleteObject( hbmMask );
796 HeapFree( GetProcessHeap(), 0, info );
797 return cursor;
798 }
799
800
801 struct system_cursors
802 {
803 WORD id;
804 const char *name;
805 };
806
807 static const struct system_cursors user32_cursors[] =
808 {
809 { OCR_NORMAL, "left_ptr" },
810 { OCR_IBEAM, "xterm" },
811 { OCR_WAIT, "watch" },
812 { OCR_CROSS, "cross" },
813 { OCR_UP, "center_ptr" },
814 { OCR_SIZE, "fleur" },
815 { OCR_SIZEALL, "fleur" },
816 { OCR_ICON, "icon" },
817 { OCR_SIZENWSE, "nwse-resize" },
818 { OCR_SIZENESW, "nesw-resize" },
819 { OCR_SIZEWE, "ew-resize" },
820 { OCR_SIZENS, "ns-resize" },
821 { OCR_NO, "not-allowed" },
822 { OCR_HAND, "hand2" },
823 { OCR_APPSTARTING, "left_ptr_watch" },
824 { OCR_HELP, "question_arrow" },
825 { 0 }
826 };
827
828 static const struct system_cursors comctl32_cursors[] =
829 {
830 { 102, "move" },
831 { 104, "copy" },
832 { 105, "left_ptr" },
833 { 106, "row-resize" },
834 { 107, "row-resize" },
835 { 108, "hand2" },
836 { 135, "col-resize" },
837 { 0 }
838 };
839
840 static const struct system_cursors ole32_cursors[] =
841 {
842 { 1, "no-drop" },
843 { 2, "move" },
844 { 3, "copy" },
845 { 4, "alias" },
846 { 0 }
847 };
848
849 static const struct system_cursors riched20_cursors[] =
850 {
851 { 105, "hand2" },
852 { 107, "right_ptr" },
853 { 109, "copy" },
854 { 110, "move" },
855 { 111, "no-drop" },
856 { 0 }
857 };
858
859 static const struct
860 {
861 const struct system_cursors *cursors;
862 WCHAR name[16];
863 } module_cursors[] =
864 {
865 { user32_cursors, {'u','s','e','r','3','2','.','d','l','l',0} },
866 { comctl32_cursors, {'c','o','m','c','t','l','3','2','.','d','l','l',0} },
867 { ole32_cursors, {'o','l','e','3','2','.','d','l','l',0} },
868 { riched20_cursors, {'r','i','c','h','e','d','2','0','.','d','l','l',0} }
869 };
870
871 /***********************************************************************
872 * create_xcursor_system_cursor
873 *
874 * Create an X cursor for a system cursor.
875 */
876 static Cursor create_xcursor_system_cursor( const ICONINFOEXW *info )
877 {
878 static const WCHAR idW[] = {'%','h','u',0};
879 const struct system_cursors *cursors;
880 unsigned int i;
881 Cursor cursor = 0;
882 HMODULE module;
883 HKEY key;
884 WCHAR *p, name[MAX_PATH * 2], valueW[64];
885 char valueA[64];
886 DWORD size, ret;
887
888 if (!pXcursorLibraryLoadCursor) return 0;
889 if (!info->szModName[0]) return 0;
890
891 p = strrchrW( info->szModName, '\\' );
892 strcpyW( name, p ? p + 1 : info->szModName );
893 p = name + strlenW( name );
894 *p++ = ',';
895 if (info->szResName[0]) strcpyW( p, info->szResName );
896 else sprintfW( p, idW, info->wResID );
897 valueA[0] = 0;
898
899 /* @@ Wine registry key: HKCU\Software\Wine\X11 Driver\Cursors */
900 if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\X11 Driver\\Cursors", &key ))
901 {
902 size = sizeof(valueW) / sizeof(WCHAR);
903 ret = RegQueryValueExW( key, name, NULL, NULL, (BYTE *)valueW, &size );
904 RegCloseKey( key );
905 if (!ret)
906 {
907 if (!valueW[0]) return 0; /* force standard cursor */
908 if (!WideCharToMultiByte( CP_UNIXCP, 0, valueW, -1, valueA, sizeof(valueA), NULL, NULL ))
909 valueA[0] = 0;
910 goto done;
911 }
912 }
913
914 if (info->szResName[0]) goto done; /* only integer resources are supported here */
915 if (!(module = GetModuleHandleW( info->szModName ))) goto done;
916
917 for (i = 0; i < sizeof(module_cursors)/sizeof(module_cursors[0]); i++)
918 if (GetModuleHandleW( module_cursors[i].name ) == module) break;
919 if (i == sizeof(module_cursors)/sizeof(module_cursors[0])) goto done;
920
921 cursors = module_cursors[i].cursors;
922 for (i = 0; cursors[i].id; i++)
923 if (cursors[i].id == info->wResID)
924 {
925 strcpy( valueA, cursors[i].name );
926 break;
927 }
928
929 done:
930 if (valueA[0])
931 {
932 wine_tsx11_lock();
933 cursor = pXcursorLibraryLoadCursor( gdi_display, valueA );
934 wine_tsx11_unlock();
935 if (!cursor) WARN( "no system cursor found for %s mapped to %s\n",
936 debugstr_w(name), debugstr_a(valueA) );
937 }
938 else WARN( "no system cursor found for %s\n", debugstr_w(name) );
939 return cursor;
940 }
941
942 #endif /* SONAME_LIBXCURSOR */
943
944
945 /***********************************************************************
946 * create_cursor_from_bitmaps
947 *
948 * Create an X11 cursor from source bitmaps.
949 */
950 static Cursor create_cursor_from_bitmaps( HBITMAP src_xor, HBITMAP src_and, int width, int height,
951 int xor_y, int and_y, XColor *fg, XColor *bg,
952 int hotspot_x, int hotspot_y )
953 {
954 HDC src = 0, dst = 0;
955 HBITMAP bits = 0, mask = 0, mask_inv = 0;
956 Cursor cursor = 0;
957
958 if (!(src = CreateCompatibleDC( 0 ))) goto done;
959 if (!(dst = CreateCompatibleDC( 0 ))) goto done;
960
961 if (!(bits = CreateBitmap( width, height, 1, 1, NULL ))) goto done;
962 if (!(mask = CreateBitmap( width, height, 1, 1, NULL ))) goto done;
963 if (!(mask_inv = CreateBitmap( width, height, 1, 1, NULL ))) goto done;
964
965 /* We have to do some magic here, as cursors are not fully
966 * compatible between Windows and X11. Under X11, there are
967 * only 3 possible color cursor: black, white and masked. So
968 * we map the 4th Windows color (invert the bits on the screen)
969 * to black and an additional white bit on an other place
970 * (+1,+1). This require some boolean arithmetic:
971 *
972 * Windows | X11
973 * And Xor Result | Bits Mask Result
974 * 0 0 black | 0 1 background
975 * 0 1 white | 1 1 foreground
976 * 1 0 no change | X 0 no change
977 * 1 1 inverted | 0 1 background
978 *
979 * which gives:
980 * Bits = not 'And' and 'Xor' or 'And2' and 'Xor2'
981 * Mask = not 'And' or 'Xor' or 'And2' and 'Xor2'
982 */
983 SelectObject( src, src_and );
984 SelectObject( dst, bits );
985 BitBlt( dst, 0, 0, width, height, src, 0, and_y, SRCCOPY );
986 SelectObject( dst, mask );
987 BitBlt( dst, 0, 0, width, height, src, 0, and_y, SRCCOPY );
988 SelectObject( dst, mask_inv );
989 BitBlt( dst, 0, 0, width, height, src, 0, and_y, SRCCOPY );
990 SelectObject( src, src_xor );
991 BitBlt( dst, 0, 0, width, height, src, 0, xor_y, SRCAND /* src & dst */ );
992 SelectObject( dst, bits );
993 BitBlt( dst, 0, 0, width, height, src, 0, xor_y, SRCERASE /* src & ~dst */ );
994 SelectObject( dst, mask );
995 BitBlt( dst, 0, 0, width, height, src, 0, xor_y, 0xdd0228 /* src | ~dst */ );
996 /* additional white */
997 SelectObject( src, mask_inv );
998 BitBlt( dst, 1, 1, width, height, src, 0, 0, SRCPAINT /* src | dst */);
999 SelectObject( dst, bits );
1000 BitBlt( dst, 1, 1, width, height, src, 0, 0, SRCPAINT /* src | dst */ );
1001
1002 wine_tsx11_lock();
1003 cursor = XCreatePixmapCursor( gdi_display, X11DRV_get_pixmap(bits), X11DRV_get_pixmap(mask),
1004 fg, bg, hotspot_x, hotspot_y );
1005 wine_tsx11_unlock();
1006
1007 done:
1008 DeleteDC( src );
1009 DeleteDC( dst );
1010 DeleteObject( bits );
1011 DeleteObject( mask );
1012 DeleteObject( mask_inv );
1013 return cursor;
1014 }
1015
1016 /***********************************************************************
1017 * create_xlib_cursor
1018 *
1019 * Create an X cursor from a Windows one.
1020 */
1021 static Cursor create_xlib_cursor( HDC hdc, const ICONINFOEXW *icon, int width, int height )
1022 {
1023 XColor fg, bg;
1024 Cursor cursor = None;
1025 HBITMAP xor_bitmap = 0;
1026 BITMAPINFO *info;
1027 unsigned int *color_bits = NULL, *ptr;
1028 unsigned char *mask_bits = NULL, *xor_bits = NULL;
1029 int i, x, y, has_alpha = 0;
1030 int rfg, gfg, bfg, rbg, gbg, bbg, fgBits, bgBits;
1031 unsigned int width_bytes = (width + 31) / 32 * 4;
1032
1033 if (!(info = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO, bmiColors[256] ))))
1034 return FALSE;
1035 info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
1036 info->bmiHeader.biWidth = width;
1037 info->bmiHeader.biHeight = -height;
1038 info->bmiHeader.biPlanes = 1;
1039 info->bmiHeader.biBitCount = 1;
1040 info->bmiHeader.biCompression = BI_RGB;
1041 info->bmiHeader.biSizeImage = width_bytes * height;
1042 info->bmiHeader.biXPelsPerMeter = 0;
1043 info->bmiHeader.biYPelsPerMeter = 0;
1044 info->bmiHeader.biClrUsed = 0;
1045 info->bmiHeader.biClrImportant = 0;
1046
1047 if (!(mask_bits = HeapAlloc( GetProcessHeap(), 0, info->bmiHeader.biSizeImage ))) goto done;
1048 if (!GetDIBits( hdc, icon->hbmMask, 0, height, mask_bits, info, DIB_RGB_COLORS )) goto done;
1049
1050 info->bmiHeader.biBitCount = 32;
1051 info->bmiHeader.biSizeImage = width * height * 4;
1052 if (!(color_bits = HeapAlloc( GetProcessHeap(), 0, info->bmiHeader.biSizeImage ))) goto done;
1053 if (!(xor_bits = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, width_bytes * height ))) goto done;
1054 GetDIBits( hdc, icon->hbmColor, 0, height, color_bits, info, DIB_RGB_COLORS );
1055
1056 /* compute fg/bg color and xor bitmap based on average of the color values */
1057
1058 if (!(xor_bitmap = CreateBitmap( width, height, 1, 1, NULL ))) goto done;
1059 rfg = gfg = bfg = rbg = gbg = bbg = fgBits = 0;
1060 for (y = 0, ptr = color_bits; y < height; y++)
1061 {
1062 for (x = 0; x < width; x++, ptr++)
1063 {
1064 int red = (*ptr >> 16) & 0xff;
1065 int green = (*ptr >> 8) & 0xff;
1066 int blue = (*ptr >> 0) & 0xff;
1067 if (red + green + blue > 0x40)
1068 {
1069 rfg += red;
1070 gfg += green;
1071 bfg += blue;
1072 fgBits++;
1073 xor_bits[y * width_bytes + x / 8] |= 0x80 >> (x % 8);
1074 }
1075 else
1076 {
1077 rbg += red;
1078 gbg += green;
1079 bbg += blue;
1080 }
1081 }
1082 }
1083 if (fgBits)
1084 {
1085 fg.red = rfg * 257 / fgBits;
1086 fg.green = gfg * 257 / fgBits;
1087 fg.blue = bfg * 257 / fgBits;
1088 }
1089 else fg.red = fg.green = fg.blue = 0;
1090 bgBits = width * height - fgBits;
1091 if (bgBits)
1092 {
1093 bg.red = rbg * 257 / bgBits;
1094 bg.green = gbg * 257 / bgBits;
1095 bg.blue = bbg * 257 / bgBits;
1096 }
1097 else bg.red = bg.green = bg.blue = 0;
1098
1099 info->bmiHeader.biBitCount = 1;
1100 info->bmiHeader.biSizeImage = width_bytes * height;
1101 SetDIBits( hdc, xor_bitmap, 0, height, xor_bits, info, DIB_RGB_COLORS );
1102
1103 /* generate mask from the alpha channel if we have one */
1104
1105 for (i = 0, ptr = color_bits; i < width * height; i++, ptr++)
1106 if ((has_alpha = (*ptr & 0xff000000) != 0)) break;
1107
1108 if (has_alpha)
1109 {
1110 /* make sure the bitmaps are owned by x11drv */
1111 HBITMAP orig = SelectObject( hdc, icon->hbmMask );
1112 SelectObject( hdc, xor_bitmap );
1113 SelectObject( hdc, orig );
1114
1115 memset( mask_bits, 0, width_bytes * height );
1116 for (y = 0, ptr = color_bits; y < height; y++)
1117 for (x = 0; x < width; x++, ptr++)
1118 if ((*ptr >> 24) > 25) /* more than 10% alpha */
1119 mask_bits[y * width_bytes + x / 8] |= 0x80 >> (x % 8);
1120
1121 info->bmiHeader.biBitCount = 1;
1122 info->bmiHeader.biSizeImage = width_bytes * height;
1123 SetDIBits( hdc, icon->hbmMask, 0, height, mask_bits, info, DIB_RGB_COLORS );
1124
1125 wine_tsx11_lock();
1126 cursor = XCreatePixmapCursor( gdi_display,
1127 X11DRV_get_pixmap(xor_bitmap),
1128 X11DRV_get_pixmap(icon->hbmMask),
1129 &fg, &bg, icon->xHotspot, icon->yHotspot );
1130 wine_tsx11_unlock();
1131 }
1132 else
1133 {
1134 cursor = create_cursor_from_bitmaps( xor_bitmap, icon->hbmMask, width, height, 0, 0,
1135 &fg, &bg, icon->xHotspot, icon->yHotspot );
1136 }
1137
1138 done:
1139 DeleteObject( xor_bitmap );
1140 HeapFree( GetProcessHeap(), 0, info );
1141 HeapFree( GetProcessHeap(), 0, color_bits );
1142 HeapFree( GetProcessHeap(), 0, xor_bits );
1143 HeapFree( GetProcessHeap(), 0, mask_bits );
1144 return cursor;
1145 }
1146
1147 /***********************************************************************
1148 * create_cursor
1149 *
1150 * Create an X cursor from a Windows one.
1151 */
1152 static Cursor create_cursor( HANDLE handle )
1153 {
1154 Cursor cursor = 0;
1155 ICONINFOEXW info;
1156 BITMAP bm;
1157
1158 if (!handle) return get_empty_cursor();
1159
1160 info.cbSize = sizeof(info);
1161 if (!GetIconInfoExW( handle, &info )) return 0;
1162
1163 #ifdef SONAME_LIBXCURSOR
1164 if (use_system_cursors && (cursor = create_xcursor_system_cursor( &info )))
1165 {
1166 DeleteObject( info.hbmColor );
1167 DeleteObject( info.hbmMask );
1168 return cursor;
1169 }
1170 #endif
1171
1172 GetObjectW( info.hbmMask, sizeof(bm), &bm );
1173 if (!info.hbmColor) bm.bmHeight = max( 1, bm.bmHeight / 2 );
1174
1175 /* make sure hotspot is valid */
1176 if (info.xHotspot >= bm.bmWidth || info.yHotspot >= bm.bmHeight)
1177 {
1178 info.xHotspot = bm.bmWidth / 2;
1179 info.yHotspot = bm.bmHeight / 2;
1180 }
1181
1182 if (info.hbmColor)
1183 {
1184 HDC hdc = CreateCompatibleDC( 0 );
1185 if (hdc)
1186 {
1187 #ifdef SONAME_LIBXCURSOR
1188 if (pXcursorImagesLoadCursor)
1189 cursor = create_xcursor_cursor( hdc, &info, handle, bm.bmWidth, bm.bmHeight );
1190 #endif
1191 if (!cursor) cursor = create_xlib_cursor( hdc, &info, bm.bmWidth, bm.bmHeight );
1192 }
1193 DeleteObject( info.hbmColor );
1194 DeleteDC( hdc );
1195 }
1196 else
1197 {
1198 XColor fg, bg;
1199 fg.red = fg.green = fg.blue = 0xffff;
1200 bg.red = bg.green = bg.blue = 0;
1201 cursor = create_cursor_from_bitmaps( info.hbmMask, info.hbmMask, bm.bmWidth, bm.bmHeight,
1202 bm.bmHeight, 0, &fg, &bg, info.xHotspot, info.yHotspot );
1203 }
1204
1205 DeleteObject( info.hbmMask );
1206 return cursor;
1207 }
1208
1209 /***********************************************************************
1210 * DestroyCursorIcon (X11DRV.@)
1211 */
1212 void CDECL X11DRV_DestroyCursorIcon( HCURSOR handle )
1213 {
1214 Cursor cursor;
1215
1216 wine_tsx11_lock();
1217 if (cursor_context && !XFindContext( gdi_display, (XID)handle, cursor_context, (char **)&cursor ))
1218 {
1219 TRACE( "%p xid %lx\n", handle, cursor );
1220 XFreeCursor( gdi_display, cursor );
1221 XDeleteContext( gdi_display, (XID)handle, cursor_context );
1222 }
1223 wine_tsx11_unlock();
1224 }
1225
1226 /***********************************************************************
1227 * SetCursor (X11DRV.@)
1228 */
1229 void CDECL X11DRV_SetCursor( HCURSOR handle )
1230 {
1231 if (InterlockedExchangePointer( (void **)&last_cursor, handle ) != handle ||
1232 GetTickCount() - last_cursor_change > 100)
1233 {
1234 last_cursor_change = GetTickCount();
1235 if (cursor_window) SendNotifyMessageW( cursor_window, WM_X11DRV_SET_CURSOR, 0, (LPARAM)handle );
1236 }
1237 }
1238
1239 /***********************************************************************
1240 * SetCursorPos (X11DRV.@)
1241 */
1242 BOOL CDECL X11DRV_SetCursorPos( INT x, INT y )
1243 {
1244 struct x11drv_thread_data *data = x11drv_init_thread_data();
1245
1246 wine_tsx11_lock();
1247 XWarpPointer( data->display, root_window, root_window, 0, 0, 0, 0,
1248 x - virtual_screen_rect.left, y - virtual_screen_rect.top );
1249 data->warp_serial = NextRequest( data->display );
1250 XNoOp( data->display );
1251 XFlush( data->display ); /* avoids bad mouse lag in games that do their own mouse warping */
1252 wine_tsx11_unlock();
1253 TRACE( "warped to %d,%d serial %lu\n", x, y, data->warp_serial );
1254 return TRUE;
1255 }
1256
1257 /***********************************************************************
1258 * GetCursorPos (X11DRV.@)
1259 */
1260 BOOL CDECL X11DRV_GetCursorPos(LPPOINT pos)
1261 {
1262 Display *display = thread_init_display();
1263 Window root, child;
1264 int rootX, rootY, winX, winY;
1265 unsigned int xstate;
1266 BOOL ret;
1267
1268 wine_tsx11_lock();
1269 ret = XQueryPointer( display, root_window, &root, &child, &rootX, &rootY, &winX, &winY, &xstate );
1270 if (ret)
1271 {
1272 POINT old = *pos;
1273 pos->x = winX + virtual_screen_rect.left;
1274 pos->y = winY + virtual_screen_rect.top;
1275 TRACE( "pointer at (%d,%d) server pos %d,%d\n", pos->x, pos->y, old.x, old.y );
1276 }
1277 wine_tsx11_unlock();
1278 return ret;
1279 }
1280
1281 /***********************************************************************
1282 * ClipCursor (X11DRV.@)
1283 */
1284 BOOL CDECL X11DRV_ClipCursor( LPCRECT clip )
1285 {
1286 if (!clip)
1287 {
1288 ungrab_clipping_window();
1289 return TRUE;
1290 }
1291
1292 if (GetWindowThreadProcessId( GetDesktopWindow(), NULL ) == GetCurrentThreadId())
1293 return TRUE; /* don't clip in the desktop process */
1294
1295 if (grab_pointer)
1296 {
1297 HWND foreground = GetForegroundWindow();
1298
1299 /* we are clipping if the clip rectangle is smaller than the screen */
1300 if (clip->left > virtual_screen_rect.left || clip->right < virtual_screen_rect.right ||
1301 clip->top > virtual_screen_rect.top || clip->bottom < virtual_screen_rect.bottom)
1302 {
1303 DWORD tid, pid;
1304
1305 /* forward request to the foreground window if it's in a different thread */
1306 tid = GetWindowThreadProcessId( foreground, &pid );
1307 if (tid && tid != GetCurrentThreadId() && pid == GetCurrentProcessId())
1308 {
1309 TRACE( "forwarding clip request to %p\n", foreground );
1310 SendNotifyMessageW( foreground, WM_X11DRV_CLIP_CURSOR, 0, 0 );
1311 return TRUE;
1312 }
1313 else if (grab_clipping_window( clip, FALSE )) return TRUE;
1314 }
1315 else /* if currently clipping, check if we should switch to fullscreen clipping */
1316 {
1317 struct x11drv_thread_data *data = x11drv_thread_data();
1318 if (data && data->clip_hwnd)
1319 {
1320 if (EqualRect( clip, &clip_rect ) || clip_fullscreen_window( foreground, TRUE ))
1321 return TRUE;
1322 }
1323 }
1324 }
1325 ungrab_clipping_window();
1326 return TRUE;
1327 }
1328
1329 /***********************************************************************
1330 * X11DRV_ButtonPress
1331 */
1332 void X11DRV_ButtonPress( HWND hwnd, XEvent *xev )
1333 {
1334 XButtonEvent *event = &xev->xbutton;
1335 int buttonNum = event->button - 1;
1336 INPUT input;
1337
1338 if (buttonNum >= NB_BUTTONS) return;
1339
1340 TRACE( "hwnd %p/%lx button %u pos %d,%d\n", hwnd, event->window, buttonNum, event->x, event->y );
1341
1342 input.u.mi.dx = event->x;
1343 input.u.mi.dy = event->y;
1344 input.u.mi.mouseData = button_down_data[buttonNum];
1345 input.u.mi.dwFlags = button_down_flags[buttonNum] | MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE;
1346 input.u.mi.time = EVENT_x11_time_to_win32_time( event->time );
1347 input.u.mi.dwExtraInfo = 0;
1348
1349 update_user_time( event->time );
1350 send_mouse_input( hwnd, event->window, event->state, &input );
1351 }
1352
1353
1354 /***********************************************************************
1355 * X11DRV_ButtonRelease
1356 */
1357 void X11DRV_ButtonRelease( HWND hwnd, XEvent *xev )
1358 {
1359 XButtonEvent *event = &xev->xbutton;
1360 int buttonNum = event->button - 1;
1361 INPUT input;
1362
1363 if (buttonNum >= NB_BUTTONS || !button_up_flags[buttonNum]) return;
1364
1365 TRACE( "hwnd %p/%lx button %u pos %d,%d\n", hwnd, event->window, buttonNum, event->x, event->y );
1366
1367 input.u.mi.dx = event->x;
1368 input.u.mi.dy = event->y;
1369 input.u.mi.mouseData = button_up_data[buttonNum];
1370 input.u.mi.dwFlags = button_up_flags[buttonNum] | MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE;
1371 input.u.mi.time = EVENT_x11_time_to_win32_time( event->time );
1372 input.u.mi.dwExtraInfo = 0;
1373
1374 send_mouse_input( hwnd, event->window, event->state, &input );
1375 }
1376
1377
1378 /***********************************************************************
1379 * X11DRV_MotionNotify
1380 */
1381 void X11DRV_MotionNotify( HWND hwnd, XEvent *xev )
1382 {
1383 XMotionEvent *event = &xev->xmotion;
1384 INPUT input;
1385
1386 TRACE( "hwnd %p/%lx pos %d,%d is_hint %d serial %lu\n",
1387 hwnd, event->window, event->x, event->y, event->is_hint, event->serial );
1388
1389 input.u.mi.dx = event->x;
1390 input.u.mi.dy = event->y;
1391 input.u.mi.mouseData = 0;
1392 input.u.mi.dwFlags = MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE;
1393 input.u.mi.time = EVENT_x11_time_to_win32_time( event->time );
1394 input.u.mi.dwExtraInfo = 0;
1395
1396 if (!hwnd)
1397 {
1398 struct x11drv_thread_data *thread_data = x11drv_thread_data();
1399 if (thread_data->warp_serial && (long)(event->serial - thread_data->warp_serial) < 0) return;
1400 }
1401
1402 send_mouse_input( hwnd, event->window, event->state, &input );
1403 }
1404
1405
1406 /***********************************************************************
1407 * X11DRV_EnterNotify
1408 */
1409 void X11DRV_EnterNotify( HWND hwnd, XEvent *xev )
1410 {
1411 XCrossingEvent *event = &xev->xcrossing;
1412 INPUT input;
1413
1414 TRACE( "hwnd %p/%lx pos %d,%d detail %d\n", hwnd, event->window, event->x, event->y, event->detail );
1415
1416 if (event->detail == NotifyVirtual || event->detail == NotifyNonlinearVirtual) return;
1417 if (event->window == x11drv_thread_data()->grab_window) return;
1418
1419 /* simulate a mouse motion event */
1420 input.u.mi.dx = event->x;
1421 input.u.mi.dy = event->y;
1422 input.u.mi.mouseData = 0;
1423 input.u.mi.dwFlags = MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE;
1424 input.u.mi.time = EVENT_x11_time_to_win32_time( event->time );
1425 input.u.mi.dwExtraInfo = 0;
1426
1427 send_mouse_input( hwnd, event->window, event->state, &input );
1428 }
1429
1430 #ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
1431
1432 /***********************************************************************
1433 * X11DRV_RawMotion
1434 */
1435 static void X11DRV_RawMotion( XGenericEventCookie *xev )
1436 {
1437 XIRawEvent *event = xev->data;
1438 const double *values = event->valuators.values;
1439 INPUT input;
1440 int i, j;
1441 double dx = 0, dy = 0;
1442 struct x11drv_thread_data *thread_data = x11drv_thread_data();
1443
1444 if (!event->valuators.mask_len) return;
1445 if (thread_data->xi2_state != xi_enabled) return;
1446
1447 input.u.mi.mouseData = 0;
1448 input.u.mi.dwFlags = MOUSEEVENTF_MOVE;
1449 input.u.mi.time = EVENT_x11_time_to_win32_time( event->time );
1450 input.u.mi.dwExtraInfo = 0;
1451
1452 if (XIMaskIsSet( event->valuators.mask, 0 )) dx = *values++;
1453 if (XIMaskIsSet( event->valuators.mask, 1 )) dy = *values++;
1454 input.u.mi.dx = dx;
1455 input.u.mi.dy = dy;
1456
1457 wine_tsx11_lock();
1458 for (i = 0; i < xinput2_device_count; ++i)
1459 {
1460 if (xinput2_devices[i].deviceid != event->deviceid) continue;
1461 for (j = 0; j < xinput2_devices[i].num_classes; j++)
1462 {
1463 XIValuatorClassInfo *class = (XIValuatorClassInfo *)xinput2_devices[i].classes[j];
1464
1465 if (xinput2_devices[i].classes[j]->type != XIValuatorClass) continue;
1466 if (class->min >= class->max) continue;
1467 if (class->number == 0)
1468 input.u.mi.dx = dx * (virtual_screen_rect.right - virtual_screen_rect.left)
1469 / (class->max - class->min);
1470 else if (class->number == 1)
1471 input.u.mi.dy = dy * (virtual_screen_rect.bottom - virtual_screen_rect.top)
1472 / (class->max - class->min);
1473 }
1474 break;
1475 }
1476
1477 wine_tsx11_unlock();
1478
1479 if (thread_data->warp_serial)
1480 {
1481 if ((long)(xev->serial - thread_data->warp_serial) < 0)
1482 {
1483 TRACE( "pos %d,%d old serial %lu, ignoring\n", input.u.mi.dx, input.u.mi.dy, xev->serial );
1484 return;
1485 }
1486 thread_data->warp_serial = 0; /* we caught up now */
1487 }
1488
1489 TRACE( "pos %d,%d (event %f,%f)\n", input.u.mi.dx, input.u.mi.dy, dx, dy );
1490
1491 input.type = INPUT_MOUSE;
1492 __wine_send_input( 0, &input );
1493 }
1494
1495 #endif /* HAVE_X11_EXTENSIONS_XINPUT2_H */
1496
1497
1498 /***********************************************************************
1499 * X11DRV_XInput2_Init
1500 */
1501 void X11DRV_XInput2_Init(void)
1502 {
1503 #if defined(SONAME_LIBXI) && defined(HAVE_X11_EXTENSIONS_XINPUT2_H)
1504 int event, error;
1505 void *libxi_handle = wine_dlopen( SONAME_LIBXI, RTLD_NOW, NULL, 0 );
1506
1507 if (!libxi_handle)
1508 {
1509 WARN( "couldn't load %s\n", SONAME_LIBXI );
1510 return;
1511 }
1512 #define LOAD_FUNCPTR(f) \
1513 if (!(p##f = wine_dlsym( libxi_handle, #f, NULL, 0))) \
1514 { \
1515 WARN("Failed to load %s.\n", #f); \
1516 return; \
1517 }
1518
1519 LOAD_FUNCPTR(XIFreeDeviceInfo);
1520 LOAD_FUNCPTR(XIQueryDevice);
1521 LOAD_FUNCPTR(XIQueryVersion);
1522 LOAD_FUNCPTR(XISelectEvents);
1523 #undef LOAD_FUNCPTR
1524
1525 wine_tsx11_lock();
1526 xinput2_available = XQueryExtension( gdi_display, "XInputExtension", &xinput2_opcode, &event, &error );
1527 wine_tsx11_unlock();
1528 #else
1529 TRACE( "X Input 2 support not compiled in.\n" );
1530 #endif
1531 }
1532
1533
1534 /***********************************************************************
1535 * X11DRV_GenericEvent
1536 */
1537 void X11DRV_GenericEvent( HWND hwnd, XEvent *xev )
1538 {
1539 #ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
1540 XGenericEventCookie *event = &xev->xcookie;
1541
1542 if (!event->data) return;
1543 if (event->extension != xinput2_opcode) return;
1544
1545 switch (event->evtype)
1546 {
1547 case XI_RawMotion:
1548 X11DRV_RawMotion( event );
1549 break;
1550
1551 default:
1552 TRACE( "Unhandled event %#x\n", event->evtype );
1553 break;
1554 }
1555 #endif
1556 }
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