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gdi32: Prepend at in get_outline_text_metrics for vertical fonts.
[wine.git] / dlls / winex11.drv / mouse.c
blob4faeb2722f6dd872e520eb1b428480c13d3eac3a
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 XContext cursor_context = 0;
125
126 static HWND cursor_window;
127 static HCURSOR last_cursor;
128 static DWORD last_cursor_change;
129 static RECT clip_rect;
130 static Cursor create_cursor( HANDLE handle );
131
132 #ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
133 static BOOL xinput2_available;
134 #define MAKE_FUNCPTR(f) static typeof(f) * p##f
135 MAKE_FUNCPTR(XIFreeDeviceInfo);
136 MAKE_FUNCPTR(XIQueryDevice);
137 MAKE_FUNCPTR(XIQueryVersion);
138 MAKE_FUNCPTR(XISelectEvents);
139 #undef MAKE_FUNCPTR
140 #endif
141
142 /***********************************************************************
143 * X11DRV_Xcursor_Init
144 *
145 * Load the Xcursor library for use.
146 */
147 void X11DRV_Xcursor_Init(void)
148 {
149 #ifdef SONAME_LIBXCURSOR
150 xcursor_handle = wine_dlopen(SONAME_LIBXCURSOR, RTLD_NOW, NULL, 0);
151 if (!xcursor_handle) /* wine_dlopen failed. */
152 {
153 WARN("Xcursor failed to load. Using fallback code.\n");
154 return;
155 }
156 #define LOAD_FUNCPTR(f) \
157 p##f = wine_dlsym(xcursor_handle, #f, NULL, 0)
158
159 LOAD_FUNCPTR(XcursorImageCreate);
160 LOAD_FUNCPTR(XcursorImageDestroy);
161 LOAD_FUNCPTR(XcursorImageLoadCursor);
162 LOAD_FUNCPTR(XcursorImagesCreate);
163 LOAD_FUNCPTR(XcursorImagesDestroy);
164 LOAD_FUNCPTR(XcursorImagesLoadCursor);
165 LOAD_FUNCPTR(XcursorLibraryLoadCursor);
166 #undef LOAD_FUNCPTR
167 #endif /* SONAME_LIBXCURSOR */
168 }
169
170
171 /***********************************************************************
172 * get_empty_cursor
173 */
174 static Cursor get_empty_cursor(void)
175 {
176 static Cursor cursor;
177 static const char data[] = { 0 };
178
179 if (!cursor)
180 {
181 XColor bg;
182 Pixmap pixmap;
183
184 bg.red = bg.green = bg.blue = 0x0000;
185 pixmap = XCreateBitmapFromData( gdi_display, root_window, data, 1, 1 );
186 if (pixmap)
187 {
188 Cursor new = XCreatePixmapCursor( gdi_display, pixmap, pixmap, &bg, &bg, 0, 0 );
189 if (InterlockedCompareExchangePointer( (void **)&cursor, (void *)new, 0 ))
190 XFreeCursor( gdi_display, new );
191 XFreePixmap( gdi_display, pixmap );
192 }
193 }
194 return cursor;
195 }
196
197 /***********************************************************************
198 * set_window_cursor
199 */
200 void set_window_cursor( Window window, HCURSOR handle )
201 {
202 Cursor cursor, prev;
203
204 if (!handle) cursor = get_empty_cursor();
205 else if (XFindContext( gdi_display, (XID)handle, cursor_context, (char **)&cursor ))
206 {
207 /* try to create it */
208 if (!(cursor = create_cursor( handle ))) return;
209
210 XLockDisplay( gdi_display );
211 if (!XFindContext( gdi_display, (XID)handle, cursor_context, (char **)&prev ))
212 {
213 /* someone else was here first */
214 XFreeCursor( gdi_display, cursor );
215 cursor = prev;
216 }
217 else
218 {
219 XSaveContext( gdi_display, (XID)handle, cursor_context, (char *)cursor );
220 TRACE( "cursor %p created %lx\n", handle, cursor );
221 }
222 XUnlockDisplay( gdi_display );
223 }
224
225 XDefineCursor( gdi_display, window, cursor );
226 /* make the change take effect immediately */
227 XFlush( gdi_display );
228 }
229
230 /***********************************************************************
231 * sync_window_cursor
232 */
233 void sync_window_cursor( Window window )
234 {
235 HCURSOR cursor;
236
237 SERVER_START_REQ( set_cursor )
238 {
239 req->flags = 0;
240 wine_server_call( req );
241 cursor = reply->prev_count >= 0 ? wine_server_ptr_handle( reply->prev_handle ) : 0;
242 }
243 SERVER_END_REQ;
244
245 set_window_cursor( window, cursor );
246 }
247
248 /***********************************************************************
249 * enable_xinput2
250 */
251 static void enable_xinput2(void)
252 {
253 #ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
254 struct x11drv_thread_data *data = x11drv_thread_data();
255 XIEventMask mask;
256 XIDeviceInfo *devices;
257 unsigned char mask_bits[XIMaskLen(XI_LASTEVENT)];
258 int i, j, count;
259
260 if (!xinput2_available) return;
261
262 if (data->xi2_state == xi_unknown)
263 {
264 int major = 2, minor = 0;
265 if (!pXIQueryVersion( data->display, &major, &minor )) data->xi2_state = xi_disabled;
266 else
267 {
268 data->xi2_state = xi_unavailable;
269 WARN( "X Input 2 not available\n" );
270 }
271 }
272 if (data->xi2_state == xi_unavailable) return;
273
274 if (data->xi2_devices) pXIFreeDeviceInfo( data->xi2_devices );
275 data->xi2_devices = devices = pXIQueryDevice( data->display, XIAllDevices, &data->xi2_device_count );
276 for (i = 0; i < data->xi2_device_count; ++i)
277 {
278 if (devices[i].use != XIMasterPointer) continue;
279 for (j = count = 0; j < devices[i].num_classes; j++)
280 {
281 XIValuatorClassInfo *class = (XIValuatorClassInfo *)devices[i].classes[j];
282
283 if (devices[i].classes[j]->type != XIValuatorClass) continue;
284 TRACE( "Device %u (%s) num %u %f,%f res %u mode %u label %s\n",
285 devices[i].deviceid, debugstr_a(devices[i].name),
286 class->number, class->min, class->max, class->resolution, class->mode,
287 XGetAtomName( data->display, class->label ));
288 if (class->label == x11drv_atom( Rel_X ) || class->label == x11drv_atom( Rel_Y )) count++;
289 }
290 if (count < 2) continue;
291 TRACE( "Using %u (%s) as core pointer\n",
292 devices[i].deviceid, debugstr_a(devices[i].name) );
293 data->xi2_core_pointer = devices[i].deviceid;
294 break;
295 }
296
297 mask.mask = mask_bits;
298 mask.mask_len = sizeof(mask_bits);
299 memset( mask_bits, 0, sizeof(mask_bits) );
300 XISetMask( mask_bits, XI_RawMotion );
301 XISetMask( mask_bits, XI_ButtonPress );
302
303 for (i = 0; i < data->xi2_device_count; ++i)
304 {
305 if (devices[i].use == XISlavePointer && devices[i].attachment == data->xi2_core_pointer)
306 {
307 TRACE( "Device %u (%s) is attached to the core pointer\n",
308 devices[i].deviceid, debugstr_a(devices[i].name) );
309 mask.deviceid = devices[i].deviceid;
310 pXISelectEvents( data->display, DefaultRootWindow( data->display ), &mask, 1 );
311 data->xi2_state = xi_enabled;
312 }
313 }
314 #endif
315 }
316
317 /***********************************************************************
318 * disable_xinput2
319 */
320 static void disable_xinput2(void)
321 {
322 #ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
323 struct x11drv_thread_data *data = x11drv_thread_data();
324 XIDeviceInfo *devices = data->xi2_devices;
325 XIEventMask mask;
326 int i;
327
328 if (data->xi2_state != xi_enabled) return;
329
330 TRACE( "disabling\n" );
331 data->xi2_state = xi_disabled;
332
333 mask.mask = NULL;
334 mask.mask_len = 0;
335
336 for (i = 0; i < data->xi2_device_count; ++i)
337 {
338 if (devices[i].use == XISlavePointer && devices[i].attachment == data->xi2_core_pointer)
339 {
340 mask.deviceid = devices[i].deviceid;
341 pXISelectEvents( data->display, DefaultRootWindow( data->display ), &mask, 1 );
342 }
343 }
344 pXIFreeDeviceInfo( devices );
345 data->xi2_devices = NULL;
346 data->xi2_device_count = 0;
347 #endif
348 }
349
350
351 /***********************************************************************
352 * grab_clipping_window
353 *
354 * Start a pointer grab on the clip window.
355 */
356 static BOOL grab_clipping_window( const RECT *clip )
357 {
358 static const WCHAR messageW[] = {'M','e','s','s','a','g','e',0};
359 struct x11drv_thread_data *data = x11drv_thread_data();
360 Window clip_window;
361 HWND msg_hwnd = 0;
362
363 if (!data) return FALSE;
364 if (!(clip_window = init_clip_window())) return TRUE;
365
366 if (!(msg_hwnd = CreateWindowW( messageW, NULL, 0, 0, 0, 0, 0, HWND_MESSAGE, 0,
367 GetModuleHandleW(0), NULL )))
368 return TRUE;
369
370 /* enable XInput2 unless we are already clipping */
371 if (!data->clip_hwnd) enable_xinput2();
372
373 if (data->xi2_state != xi_enabled)
374 {
375 WARN( "XInput2 not supported, refusing to clip to %s\n", wine_dbgstr_rect(clip) );
376 DestroyWindow( msg_hwnd );
377 ClipCursor( NULL );
378 return TRUE;
379 }
380
381 TRACE( "clipping to %s win %lx\n", wine_dbgstr_rect(clip), clip_window );
382
383 if (!data->clip_hwnd) XUnmapWindow( data->display, clip_window );
384 XMoveResizeWindow( data->display, clip_window,
385 clip->left - virtual_screen_rect.left, clip->top - virtual_screen_rect.top,
386 max( 1, clip->right - clip->left ), max( 1, clip->bottom - clip->top ) );
387 XMapWindow( data->display, clip_window );
388
389 /* if the rectangle is shrinking we may get a pointer warp */
390 if (!data->clip_hwnd || clip->left > clip_rect.left || clip->top > clip_rect.top ||
391 clip->right < clip_rect.right || clip->bottom < clip_rect.bottom)
392 data->warp_serial = NextRequest( data->display );
393
394 if (!XGrabPointer( data->display, clip_window, False,
395 PointerMotionMask | ButtonPressMask | ButtonReleaseMask,
396 GrabModeAsync, GrabModeAsync, clip_window, None, CurrentTime ))
397 clipping_cursor = 1;
398
399 if (!clipping_cursor)
400 {
401 disable_xinput2();
402 DestroyWindow( msg_hwnd );
403 return FALSE;
404 }
405 clip_rect = *clip;
406 if (!data->clip_hwnd) sync_window_cursor( clip_window );
407 InterlockedExchangePointer( (void **)&cursor_window, msg_hwnd );
408 data->clip_hwnd = msg_hwnd;
409 SendMessageW( GetDesktopWindow(), WM_X11DRV_CLIP_CURSOR, 0, (LPARAM)msg_hwnd );
410 return TRUE;
411 }
412
413 /***********************************************************************
414 * ungrab_clipping_window
415 *
416 * Release the pointer grab on the clip window.
417 */
418 void ungrab_clipping_window(void)
419 {
420 Display *display = thread_init_display();
421 Window clip_window = init_clip_window();
422
423 if (!clip_window) return;
424
425 TRACE( "no longer clipping\n" );
426 XUnmapWindow( display, clip_window );
427 clipping_cursor = 0;
428 SendMessageW( GetDesktopWindow(), WM_X11DRV_CLIP_CURSOR, 0, 0 );
429 }
430
431 /***********************************************************************
432 * reset_clipping_window
433 *
434 * Forcibly reset the window clipping on external events.
435 */
436 void reset_clipping_window(void)
437 {
438 ungrab_clipping_window();
439 ClipCursor( NULL ); /* make sure the clip rectangle is reset too */
440 }
441
442 /***********************************************************************
443 * clip_cursor_notify
444 *
445 * Notification function called upon receiving a WM_X11DRV_CLIP_CURSOR.
446 */
447 LRESULT clip_cursor_notify( HWND hwnd, HWND new_clip_hwnd )
448 {
449 struct x11drv_thread_data *data = x11drv_thread_data();
450
451 if (hwnd == GetDesktopWindow()) /* change the clip window stored in the desktop process */
452 {
453 static HWND clip_hwnd;
454
455 HWND prev = clip_hwnd;
456 clip_hwnd = new_clip_hwnd;
457 if (prev || new_clip_hwnd) TRACE( "clip hwnd changed from %p to %p\n", prev, new_clip_hwnd );
458 if (prev) SendNotifyMessageW( prev, WM_X11DRV_CLIP_CURSOR, 0, 0 );
459 }
460 else if (hwnd == data->clip_hwnd) /* this is a notification that clipping has been reset */
461 {
462 TRACE( "clip hwnd reset from %p\n", hwnd );
463 data->clip_hwnd = 0;
464 data->clip_reset = GetTickCount();
465 disable_xinput2();
466 DestroyWindow( hwnd );
467 }
468 else if (hwnd == GetForegroundWindow()) /* request to clip */
469 {
470 RECT clip;
471
472 GetClipCursor( &clip );
473 if (clip.left > virtual_screen_rect.left || clip.right < virtual_screen_rect.right ||
474 clip.top > virtual_screen_rect.top || clip.bottom < virtual_screen_rect.bottom)
475 return grab_clipping_window( &clip );
476 }
477 return 0;
478 }
479
480 /***********************************************************************
481 * clip_fullscreen_window
482 *
483 * Turn on clipping if the active window is fullscreen.
484 */
485 BOOL clip_fullscreen_window( HWND hwnd, BOOL reset )
486 {
487 struct x11drv_win_data *data;
488 struct x11drv_thread_data *thread_data;
489 RECT rect;
490 DWORD style;
491
492 if (hwnd == GetDesktopWindow()) return FALSE;
493 if (!(data = X11DRV_get_win_data( hwnd ))) return FALSE;
494 style = GetWindowLongW( hwnd, GWL_STYLE );
495 if (!(style & WS_VISIBLE)) return FALSE;
496 if ((style & (WS_POPUP | WS_CHILD)) == WS_CHILD) return FALSE;
497 /* maximized windows don't count as full screen */
498 if ((style & WS_MAXIMIZE) && (style & WS_CAPTION) == WS_CAPTION) return FALSE;
499 if (!is_window_rect_fullscreen( &data->whole_rect )) return FALSE;
500 if (!(thread_data = x11drv_thread_data())) return FALSE;
501 if (GetTickCount() - thread_data->clip_reset < 1000) return FALSE;
502 if (!reset && clipping_cursor && thread_data->clip_hwnd) return FALSE; /* already clipping */
503 SetRect( &rect, 0, 0, screen_width, screen_height );
504 if (!grab_fullscreen)
505 {
506 if (!EqualRect( &rect, &virtual_screen_rect )) return FALSE;
507 if (root_window != DefaultRootWindow( gdi_display )) return FALSE;
508 }
509 TRACE( "win %p clipping fullscreen\n", hwnd );
510 return grab_clipping_window( &rect );
511 }
512
513 /***********************************************************************
514 * send_mouse_input
515 *
516 * Update the various window states on a mouse event.
517 */
518 static void send_mouse_input( HWND hwnd, Window window, unsigned int state, INPUT *input )
519 {
520 struct x11drv_win_data *data;
521 POINT pt;
522
523 input->type = INPUT_MOUSE;
524
525 if (!hwnd)
526 {
527 struct x11drv_thread_data *thread_data = x11drv_thread_data();
528 HWND clip_hwnd = thread_data->clip_hwnd;
529
530 if (!clip_hwnd) return;
531 if (thread_data->clip_window != window) return;
532 if (InterlockedExchangePointer( (void **)&cursor_window, clip_hwnd ) != clip_hwnd ||
533 input->u.mi.time - last_cursor_change > 100)
534 {
535 sync_window_cursor( window );
536 last_cursor_change = input->u.mi.time;
537 }
538 input->u.mi.dx += clip_rect.left;
539 input->u.mi.dy += clip_rect.top;
540 __wine_send_input( hwnd, input );
541 return;
542 }
543
544 if (!(data = X11DRV_get_win_data( hwnd ))) return;
545
546 if (window == data->whole_window)
547 {
548 input->u.mi.dx += data->whole_rect.left - data->client_rect.left;
549 input->u.mi.dy += data->whole_rect.top - data->client_rect.top;
550 }
551 if (window == root_window)
552 {
553 input->u.mi.dx += virtual_screen_rect.left;
554 input->u.mi.dy += virtual_screen_rect.top;
555 }
556 pt.x = input->u.mi.dx;
557 pt.y = input->u.mi.dy;
558 if (GetWindowLongW( data->hwnd, GWL_EXSTYLE ) & WS_EX_LAYOUTRTL)
559 pt.x = data->client_rect.right - data->client_rect.left - 1 - pt.x;
560 MapWindowPoints( hwnd, 0, &pt, 1 );
561
562 if (InterlockedExchangePointer( (void **)&cursor_window, hwnd ) != hwnd ||
563 input->u.mi.time - last_cursor_change > 100)
564 {
565 sync_window_cursor( data->whole_window );
566 last_cursor_change = input->u.mi.time;
567 }
568
569 if (hwnd != GetDesktopWindow())
570 {
571 hwnd = GetAncestor( hwnd, GA_ROOT );
572 if ((input->u.mi.dwFlags & (MOUSEEVENTF_LEFTDOWN|MOUSEEVENTF_RIGHTDOWN)) && hwnd == GetForegroundWindow())
573 clip_fullscreen_window( hwnd, FALSE );
574 }
575
576 /* update the wine server Z-order */
577
578 if (window != x11drv_thread_data()->grab_window &&
579 /* ignore event if a button is pressed, since the mouse is then grabbed too */
580 !(state & (Button1Mask|Button2Mask|Button3Mask|Button4Mask|Button5Mask|Button6Mask|Button7Mask)))
581 {
582 RECT rect;
583 SetRect( &rect, pt.x, pt.y, pt.x + 1, pt.y + 1 );
584 MapWindowPoints( 0, hwnd, (POINT *)&rect, 2 );
585
586 SERVER_START_REQ( update_window_zorder )
587 {
588 req->window = wine_server_user_handle( hwnd );
589 req->rect.left = rect.left;
590 req->rect.top = rect.top;
591 req->rect.right = rect.right;
592 req->rect.bottom = rect.bottom;
593 wine_server_call( req );
594 }
595 SERVER_END_REQ;
596 }
597
598 input->u.mi.dx = pt.x;
599 input->u.mi.dy = pt.y;
600 __wine_send_input( hwnd, input );
601 }
602
603 #ifdef SONAME_LIBXCURSOR
604
605 /***********************************************************************
606 * create_xcursor_frame
607 *
608 * Use Xcursor to create a frame of an X cursor from a Windows one.
609 */
610 static XcursorImage *create_xcursor_frame( HDC hdc, const ICONINFOEXW *iinfo, HANDLE icon,
611 HBITMAP hbmColor, unsigned char *color_bits, int color_size,
612 HBITMAP hbmMask, unsigned char *mask_bits, int mask_size,
613 int width, int height, int istep )
614 {
615 XcursorImage *image, *ret = NULL;
616 DWORD delay_jiffies, num_steps;
617 int x, y, i, has_alpha = FALSE;
618 XcursorPixel *ptr;
619
620 image = pXcursorImageCreate( width, height );
621 if (!image)
622 {
623 ERR("X11 failed to produce a cursor frame!\n");
624 return NULL;
625 }
626
627 image->xhot = iinfo->xHotspot;
628 image->yhot = iinfo->yHotspot;
629
630 image->delay = 100; /* fallback delay, 100 ms */
631 if (GetCursorFrameInfo(icon, 0x0 /* unknown parameter */, istep, &delay_jiffies, &num_steps) != 0)
632 image->delay = (100 * delay_jiffies) / 6; /* convert jiffies (1/60s) to milliseconds */
633 else
634 WARN("Failed to retrieve animated cursor frame-rate for frame %d.\n", istep);
635
636 /* draw the cursor frame to a temporary buffer then copy it into the XcursorImage */
637 memset( color_bits, 0x00, color_size );
638 SelectObject( hdc, hbmColor );
639 if (!DrawIconEx( hdc, 0, 0, icon, width, height, istep, NULL, DI_NORMAL ))
640 {
641 TRACE("Could not draw frame %d (walk past end of frames).\n", istep);
642 goto cleanup;
643 }
644 memcpy( image->pixels, color_bits, color_size );
645
646 /* check if the cursor frame was drawn with an alpha channel */
647 for (i = 0, ptr = image->pixels; i < width * height; i++, ptr++)
648 if ((has_alpha = (*ptr & 0xff000000) != 0)) break;
649
650 /* if no alpha channel was drawn then generate it from the mask */
651 if (!has_alpha)
652 {
653 unsigned int width_bytes = (width + 31) / 32 * 4;
654
655 /* draw the cursor mask to a temporary buffer */
656 memset( mask_bits, 0xFF, mask_size );
657 SelectObject( hdc, hbmMask );
658 if (!DrawIconEx( hdc, 0, 0, icon, width, height, istep, NULL, DI_MASK ))
659 {
660 ERR("Failed to draw frame mask %d.\n", istep);
661 goto cleanup;
662 }
663 /* use the buffer to directly modify the XcursorImage alpha channel */
664 for (y = 0, ptr = image->pixels; y < height; y++)
665 for (x = 0; x < width; x++, ptr++)
666 if (!((mask_bits[y * width_bytes + x / 8] << (x % 8)) & 0x80))
667 *ptr |= 0xff000000;
668 }
669 ret = image;
670
671 cleanup:
672 if (ret == NULL) pXcursorImageDestroy( image );
673 return ret;
674 }
675
676 /***********************************************************************
677 * create_xcursor_cursor
678 *
679 * Use Xcursor to create an X cursor from a Windows one.
680 */
681 static Cursor create_xcursor_cursor( HDC hdc, const ICONINFOEXW *iinfo, HANDLE icon, int width, int height )
682 {
683 unsigned char *color_bits, *mask_bits;
684 HBITMAP hbmColor = 0, hbmMask = 0;
685 DWORD nFrames, delay_jiffies, i;
686 int color_size, mask_size;
687 BITMAPINFO *info = NULL;
688 XcursorImages *images;
689 XcursorImage **imgs;
690 Cursor cursor = 0;
691
692 /* Retrieve the number of frames to render */
693 if (!GetCursorFrameInfo(icon, 0x0 /* unknown parameter */, 0, &delay_jiffies, &nFrames)) return 0;
694 if (!(imgs = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(XcursorImage*)*nFrames ))) return 0;
695
696 /* Allocate all of the resources necessary to obtain a cursor frame */
697 if (!(info = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO, bmiColors[256] )))) goto cleanup;
698 info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
699 info->bmiHeader.biWidth = width;
700 info->bmiHeader.biHeight = -height;
701 info->bmiHeader.biPlanes = 1;
702 info->bmiHeader.biCompression = BI_RGB;
703 info->bmiHeader.biXPelsPerMeter = 0;
704 info->bmiHeader.biYPelsPerMeter = 0;
705 info->bmiHeader.biClrUsed = 0;
706 info->bmiHeader.biClrImportant = 0;
707 info->bmiHeader.biBitCount = 32;
708 color_size = width * height * 4;
709 info->bmiHeader.biSizeImage = color_size;
710 hbmColor = CreateDIBSection( hdc, info, DIB_RGB_COLORS, (VOID **) &color_bits, NULL, 0);
711 if (!hbmColor)
712 {
713 ERR("Failed to create DIB section for cursor color data!\n");
714 goto cleanup;
715 }
716 info->bmiHeader.biBitCount = 1;
717 info->bmiColors[0].rgbRed = 0;
718 info->bmiColors[0].rgbGreen = 0;
719 info->bmiColors[0].rgbBlue = 0;
720 info->bmiColors[0].rgbReserved = 0;
721 info->bmiColors[1].rgbRed = 0xff;
722 info->bmiColors[1].rgbGreen = 0xff;
723 info->bmiColors[1].rgbBlue = 0xff;
724 info->bmiColors[1].rgbReserved = 0;
725
726 mask_size = ((width + 31) / 32 * 4) * height; /* width_bytes * height */
727 info->bmiHeader.biSizeImage = mask_size;
728 hbmMask = CreateDIBSection( hdc, info, DIB_RGB_COLORS, (VOID **) &mask_bits, NULL, 0);
729 if (!hbmMask)
730 {
731 ERR("Failed to create DIB section for cursor mask data!\n");
732 goto cleanup;
733 }
734
735 /* Create an XcursorImage for each frame of the cursor */
736 for (i=0; i<nFrames; i++)
737 {
738 imgs[i] = create_xcursor_frame( hdc, iinfo, icon,
739 hbmColor, color_bits, color_size,
740 hbmMask, mask_bits, mask_size,
741 width, height, i );
742 if (!imgs[i]) goto cleanup;
743 }
744
745 /* Build an X cursor out of all of the frames */
746 if (!(images = pXcursorImagesCreate( nFrames ))) goto cleanup;
747 for (images->nimage = 0; images->nimage < nFrames; images->nimage++)
748 images->images[images->nimage] = imgs[images->nimage];
749 cursor = pXcursorImagesLoadCursor( gdi_display, images );
750 pXcursorImagesDestroy( images ); /* Note: this frees each individual frame (calls XcursorImageDestroy) */
751 HeapFree( GetProcessHeap(), 0, imgs );
752 imgs = NULL;
753
754 cleanup:
755 if (imgs)
756 {
757 /* Failed to produce a cursor, free previously allocated frames */
758 for (i=0; i<nFrames && imgs[i]; i++)
759 pXcursorImageDestroy( imgs[i] );
760 HeapFree( GetProcessHeap(), 0, imgs );
761 }
762 /* Cleanup all of the resources used to obtain the frame data */
763 if (hbmColor) DeleteObject( hbmColor );
764 if (hbmMask) DeleteObject( hbmMask );
765 HeapFree( GetProcessHeap(), 0, info );
766 return cursor;
767 }
768
769
770 struct system_cursors
771 {
772 WORD id;
773 const char *name;
774 };
775
776 static const struct system_cursors user32_cursors[] =
777 {
778 { OCR_NORMAL, "left_ptr" },
779 { OCR_IBEAM, "xterm" },
780 { OCR_WAIT, "watch" },
781 { OCR_CROSS, "cross" },
782 { OCR_UP, "center_ptr" },
783 { OCR_SIZE, "fleur" },
784 { OCR_SIZEALL, "fleur" },
785 { OCR_ICON, "icon" },
786 { OCR_SIZENWSE, "nwse-resize" },
787 { OCR_SIZENESW, "nesw-resize" },
788 { OCR_SIZEWE, "ew-resize" },
789 { OCR_SIZENS, "ns-resize" },
790 { OCR_NO, "not-allowed" },
791 { OCR_HAND, "hand2" },
792 { OCR_APPSTARTING, "left_ptr_watch" },
793 { OCR_HELP, "question_arrow" },
794 { 0 }
795 };
796
797 static const struct system_cursors comctl32_cursors[] =
798 {
799 { 102, "move" },
800 { 104, "copy" },
801 { 105, "left_ptr" },
802 { 106, "row-resize" },
803 { 107, "row-resize" },
804 { 108, "hand2" },
805 { 135, "col-resize" },
806 { 0 }
807 };
808
809 static const struct system_cursors ole32_cursors[] =
810 {
811 { 1, "no-drop" },
812 { 2, "move" },
813 { 3, "copy" },
814 { 4, "alias" },
815 { 0 }
816 };
817
818 static const struct system_cursors riched20_cursors[] =
819 {
820 { 105, "hand2" },
821 { 107, "right_ptr" },
822 { 109, "copy" },
823 { 110, "move" },
824 { 111, "no-drop" },
825 { 0 }
826 };
827
828 static const struct
829 {
830 const struct system_cursors *cursors;
831 WCHAR name[16];
832 } module_cursors[] =
833 {
834 { user32_cursors, {'u','s','e','r','3','2','.','d','l','l',0} },
835 { comctl32_cursors, {'c','o','m','c','t','l','3','2','.','d','l','l',0} },
836 { ole32_cursors, {'o','l','e','3','2','.','d','l','l',0} },
837 { riched20_cursors, {'r','i','c','h','e','d','2','0','.','d','l','l',0} }
838 };
839
840 /***********************************************************************
841 * create_xcursor_system_cursor
842 *
843 * Create an X cursor for a system cursor.
844 */
845 static Cursor create_xcursor_system_cursor( const ICONINFOEXW *info )
846 {
847 static const WCHAR idW[] = {'%','h','u',0};
848 const struct system_cursors *cursors;
849 unsigned int i;
850 Cursor cursor = 0;
851 HMODULE module;
852 HKEY key;
853 WCHAR *p, name[MAX_PATH * 2], valueW[64];
854 char valueA[64];
855 DWORD size, ret;
856
857 if (!pXcursorLibraryLoadCursor) return 0;
858 if (!info->szModName[0]) return 0;
859
860 p = strrchrW( info->szModName, '\\' );
861 strcpyW( name, p ? p + 1 : info->szModName );
862 p = name + strlenW( name );
863 *p++ = ',';
864 if (info->szResName[0]) strcpyW( p, info->szResName );
865 else sprintfW( p, idW, info->wResID );
866 valueA[0] = 0;
867
868 /* @@ Wine registry key: HKCU\Software\Wine\X11 Driver\Cursors */
869 if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\X11 Driver\\Cursors", &key ))
870 {
871 size = sizeof(valueW) / sizeof(WCHAR);
872 ret = RegQueryValueExW( key, name, NULL, NULL, (BYTE *)valueW, &size );
873 RegCloseKey( key );
874 if (!ret)
875 {
876 if (!valueW[0]) return 0; /* force standard cursor */
877 if (!WideCharToMultiByte( CP_UNIXCP, 0, valueW, -1, valueA, sizeof(valueA), NULL, NULL ))
878 valueA[0] = 0;
879 goto done;
880 }
881 }
882
883 if (info->szResName[0]) goto done; /* only integer resources are supported here */
884 if (!(module = GetModuleHandleW( info->szModName ))) goto done;
885
886 for (i = 0; i < sizeof(module_cursors)/sizeof(module_cursors[0]); i++)
887 if (GetModuleHandleW( module_cursors[i].name ) == module) break;
888 if (i == sizeof(module_cursors)/sizeof(module_cursors[0])) goto done;
889
890 cursors = module_cursors[i].cursors;
891 for (i = 0; cursors[i].id; i++)
892 if (cursors[i].id == info->wResID)
893 {
894 strcpy( valueA, cursors[i].name );
895 break;
896 }
897
898 done:
899 if (valueA[0])
900 {
901 cursor = pXcursorLibraryLoadCursor( gdi_display, valueA );
902 if (!cursor) WARN( "no system cursor found for %s mapped to %s\n",
903 debugstr_w(name), debugstr_a(valueA) );
904 }
905 else WARN( "no system cursor found for %s\n", debugstr_w(name) );
906 return cursor;
907 }
908
909 #endif /* SONAME_LIBXCURSOR */
910
911
912 /***********************************************************************
913 * create_xlib_monochrome_cursor
914 *
915 * Create a monochrome X cursor from a Windows one.
916 */
917 static Cursor create_xlib_monochrome_cursor( HDC hdc, const ICONINFOEXW *icon, int width, int height )
918 {
919 char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
920 BITMAPINFO *info = (BITMAPINFO *)buffer;
921 const int and_y = 0;
922 const int xor_y = height;
923 unsigned int width_bytes = (width + 31) / 32 * 4;
924 unsigned char *mask_bits = NULL;
925 GC gc;
926 XColor fg, bg;
927 XVisualInfo vis;
928 Pixmap src_pixmap, bits_pixmap, mask_pixmap;
929 struct gdi_image_bits bits;
930 Cursor cursor = 0;
931
932 info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
933 info->bmiHeader.biWidth = width;
934 info->bmiHeader.biHeight = -height * 2;
935 info->bmiHeader.biPlanes = 1;
936 info->bmiHeader.biBitCount = 1;
937 info->bmiHeader.biCompression = BI_RGB;
938 info->bmiHeader.biSizeImage = width_bytes * height * 2;
939 info->bmiHeader.biXPelsPerMeter = 0;
940 info->bmiHeader.biYPelsPerMeter = 0;
941 info->bmiHeader.biClrUsed = 0;
942 info->bmiHeader.biClrImportant = 0;
943
944 if (!(mask_bits = HeapAlloc( GetProcessHeap(), 0, info->bmiHeader.biSizeImage ))) goto done;
945 if (!GetDIBits( hdc, icon->hbmMask, 0, height * 2, mask_bits, info, DIB_RGB_COLORS )) goto done;
946
947 vis.depth = 1;
948 bits.ptr = mask_bits;
949 bits.free = NULL;
950 bits.is_copy = TRUE;
951 if (!(src_pixmap = create_pixmap_from_image( hdc, &vis, info, &bits, DIB_RGB_COLORS ))) goto done;
952
953 bits_pixmap = XCreatePixmap( gdi_display, root_window, width, height, 1 );
954 mask_pixmap = XCreatePixmap( gdi_display, root_window, width, height, 1 );
955 gc = XCreateGC( gdi_display, src_pixmap, 0, NULL );
956 XSetGraphicsExposures( gdi_display, gc, False );
957
958 /* We have to do some magic here, as cursors are not fully
959 * compatible between Windows and X11. Under X11, there are
960 * only 3 possible color cursor: black, white and masked. So
961 * we map the 4th Windows color (invert the bits on the screen)
962 * to black and an additional white bit on another place
963 * (+1,+1). This require some boolean arithmetic:
964 *
965 * Windows | X11
966 * And Xor Result | Bits Mask Result
967 * 0 0 black | 0 1 background
968 * 0 1 white | 1 1 foreground
969 * 1 0 no change | X 0 no change
970 * 1 1 inverted | 0 1 background
971 *
972 * which gives:
973 * Bits = not 'And' and 'Xor' or 'And2' and 'Xor2'
974 * Mask = not 'And' or 'Xor' or 'And2' and 'Xor2'
975 */
976 XSetFunction( gdi_display, gc, GXcopy );
977 XCopyArea( gdi_display, src_pixmap, bits_pixmap, gc, 0, and_y, width, height, 0, 0 );
978 XCopyArea( gdi_display, src_pixmap, mask_pixmap, gc, 0, and_y, width, height, 0, 0 );
979 XSetFunction( gdi_display, gc, GXandReverse );
980 XCopyArea( gdi_display, src_pixmap, bits_pixmap, gc, 0, xor_y, width, height, 0, 0 );
981 XSetFunction( gdi_display, gc, GXorReverse );
982 XCopyArea( gdi_display, src_pixmap, mask_pixmap, gc, 0, xor_y, width, height, 0, 0 );
983 /* additional white */
984 XSetFunction( gdi_display, gc, GXand );
985 XCopyArea( gdi_display, src_pixmap, src_pixmap, gc, 0, xor_y, width, height, 0, and_y );
986 XSetFunction( gdi_display, gc, GXor );
987 XCopyArea( gdi_display, src_pixmap, mask_pixmap, gc, 0, and_y, width, height, 1, 1 );
988 XCopyArea( gdi_display, src_pixmap, bits_pixmap, gc, 0, and_y, width, height, 1, 1 );
989 XFreeGC( gdi_display, gc );
990
991 fg.red = fg.green = fg.blue = 0xffff;
992 bg.red = bg.green = bg.blue = 0;
993 cursor = XCreatePixmapCursor( gdi_display, bits_pixmap, mask_pixmap,
994 &fg, &bg, icon->xHotspot, icon->yHotspot );
995 XFreePixmap( gdi_display, src_pixmap );
996 XFreePixmap( gdi_display, bits_pixmap );
997 XFreePixmap( gdi_display, mask_pixmap );
998
999 done:
1000 HeapFree( GetProcessHeap(), 0, mask_bits );
1001 return cursor;
1002 }
1003
1004 /***********************************************************************
1005 * create_xlib_color_cursor
1006 *
1007 * Create a color X cursor from a Windows one.
1008 */
1009 static Cursor create_xlib_color_cursor( HDC hdc, const ICONINFOEXW *icon, int width, int height )
1010 {
1011 char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
1012 BITMAPINFO *info = (BITMAPINFO *)buffer;
1013 XColor fg, bg;
1014 Cursor cursor = None;
1015 XVisualInfo vis;
1016 Pixmap xor_pixmap, mask_pixmap;
1017 struct gdi_image_bits bits;
1018 unsigned int *color_bits = NULL, *ptr;
1019 unsigned char *mask_bits = NULL, *xor_bits = NULL;
1020 int i, x, y, has_alpha = 0;
1021 int rfg, gfg, bfg, rbg, gbg, bbg, fgBits, bgBits;
1022 unsigned int width_bytes = (width + 31) / 32 * 4;
1023
1024 info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
1025 info->bmiHeader.biWidth = width;
1026 info->bmiHeader.biHeight = -height;
1027 info->bmiHeader.biPlanes = 1;
1028 info->bmiHeader.biBitCount = 1;
1029 info->bmiHeader.biCompression = BI_RGB;
1030 info->bmiHeader.biSizeImage = width_bytes * height;
1031 info->bmiHeader.biXPelsPerMeter = 0;
1032 info->bmiHeader.biYPelsPerMeter = 0;
1033 info->bmiHeader.biClrUsed = 0;
1034 info->bmiHeader.biClrImportant = 0;
1035
1036 if (!(mask_bits = HeapAlloc( GetProcessHeap(), 0, info->bmiHeader.biSizeImage ))) goto done;
1037 if (!GetDIBits( hdc, icon->hbmMask, 0, height, mask_bits, info, DIB_RGB_COLORS )) goto done;
1038
1039 info->bmiHeader.biBitCount = 32;
1040 info->bmiHeader.biSizeImage = width * height * 4;
1041 if (!(color_bits = HeapAlloc( GetProcessHeap(), 0, info->bmiHeader.biSizeImage ))) goto done;
1042 if (!(xor_bits = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, width_bytes * height ))) goto done;
1043 GetDIBits( hdc, icon->hbmColor, 0, height, color_bits, info, DIB_RGB_COLORS );
1044
1045 /* compute fg/bg color and xor bitmap based on average of the color values */
1046
1047 rfg = gfg = bfg = rbg = gbg = bbg = fgBits = 0;
1048 for (y = 0, ptr = color_bits; y < height; y++)
1049 {
1050 for (x = 0; x < width; x++, ptr++)
1051 {
1052 int red = (*ptr >> 16) & 0xff;
1053 int green = (*ptr >> 8) & 0xff;
1054 int blue = (*ptr >> 0) & 0xff;
1055 if (red + green + blue > 0x40)
1056 {
1057 rfg += red;
1058 gfg += green;
1059 bfg += blue;
1060 fgBits++;
1061 xor_bits[y * width_bytes + x / 8] |= 0x80 >> (x % 8);
1062 }
1063 else
1064 {
1065 rbg += red;
1066 gbg += green;
1067 bbg += blue;
1068 }
1069 }
1070 }
1071 if (fgBits)
1072 {
1073 fg.red = rfg * 257 / fgBits;
1074 fg.green = gfg * 257 / fgBits;
1075 fg.blue = bfg * 257 / fgBits;
1076 }
1077 else fg.red = fg.green = fg.blue = 0;
1078 bgBits = width * height - fgBits;
1079 if (bgBits)
1080 {
1081 bg.red = rbg * 257 / bgBits;
1082 bg.green = gbg * 257 / bgBits;
1083 bg.blue = bbg * 257 / bgBits;
1084 }
1085 else bg.red = bg.green = bg.blue = 0;
1086
1087 info->bmiHeader.biBitCount = 1;
1088 info->bmiHeader.biClrUsed = 0;
1089 info->bmiHeader.biSizeImage = width_bytes * height;
1090
1091 /* generate mask from the alpha channel if we have one */
1092
1093 for (i = 0, ptr = color_bits; i < width * height; i++, ptr++)
1094 if ((has_alpha = (*ptr & 0xff000000) != 0)) break;
1095
1096 if (has_alpha)
1097 {
1098 memset( mask_bits, 0, width_bytes * height );
1099 for (y = 0, ptr = color_bits; y < height; y++)
1100 for (x = 0; x < width; x++, ptr++)
1101 if ((*ptr >> 24) > 25) /* more than 10% alpha */
1102 mask_bits[y * width_bytes + x / 8] |= 0x80 >> (x % 8);
1103 }
1104 else /* invert the mask */
1105 {
1106 ptr = (unsigned int *)mask_bits;
1107 for (i = 0; i < info->bmiHeader.biSizeImage / sizeof(*ptr); i++, ptr++) *ptr ^= ~0u;
1108 }
1109
1110 vis.depth = 1;
1111 bits.ptr = xor_bits;
1112 bits.free = NULL;
1113 bits.is_copy = TRUE;
1114 if (!(xor_pixmap = create_pixmap_from_image( hdc, &vis, info, &bits, DIB_RGB_COLORS ))) goto done;
1115
1116 bits.ptr = mask_bits;
1117 mask_pixmap = create_pixmap_from_image( hdc, &vis, info, &bits, DIB_RGB_COLORS );
1118
1119 if (mask_pixmap)
1120 {
1121 cursor = XCreatePixmapCursor( gdi_display, xor_pixmap, mask_pixmap,
1122 &fg, &bg, icon->xHotspot, icon->yHotspot );
1123 XFreePixmap( gdi_display, mask_pixmap );
1124 }
1125 XFreePixmap( gdi_display, xor_pixmap );
1126
1127 done:
1128 HeapFree( GetProcessHeap(), 0, color_bits );
1129 HeapFree( GetProcessHeap(), 0, xor_bits );
1130 HeapFree( GetProcessHeap(), 0, mask_bits );
1131 return cursor;
1132 }
1133
1134 /***********************************************************************
1135 * create_cursor
1136 *
1137 * Create an X cursor from a Windows one.
1138 */
1139 static Cursor create_cursor( HANDLE handle )
1140 {
1141 Cursor cursor = 0;
1142 ICONINFOEXW info;
1143 BITMAP bm;
1144 HDC hdc;
1145
1146 if (!handle) return get_empty_cursor();
1147
1148 info.cbSize = sizeof(info);
1149 if (!GetIconInfoExW( handle, &info )) return 0;
1150
1151 #ifdef SONAME_LIBXCURSOR
1152 if (use_system_cursors && (cursor = create_xcursor_system_cursor( &info )))
1153 {
1154 DeleteObject( info.hbmColor );
1155 DeleteObject( info.hbmMask );
1156 return cursor;
1157 }
1158 #endif
1159
1160 GetObjectW( info.hbmMask, sizeof(bm), &bm );
1161 if (!info.hbmColor) bm.bmHeight = max( 1, bm.bmHeight / 2 );
1162
1163 /* make sure hotspot is valid */
1164 if (info.xHotspot >= bm.bmWidth || info.yHotspot >= bm.bmHeight)
1165 {
1166 info.xHotspot = bm.bmWidth / 2;
1167 info.yHotspot = bm.bmHeight / 2;
1168 }
1169
1170 hdc = CreateCompatibleDC( 0 );
1171
1172 if (info.hbmColor)
1173 {
1174 #ifdef SONAME_LIBXCURSOR
1175 if (pXcursorImagesLoadCursor)
1176 cursor = create_xcursor_cursor( hdc, &info, handle, bm.bmWidth, bm.bmHeight );
1177 #endif
1178 if (!cursor) cursor = create_xlib_color_cursor( hdc, &info, bm.bmWidth, bm.bmHeight );
1179 DeleteObject( info.hbmColor );
1180 }
1181 else
1182 {
1183 cursor = create_xlib_monochrome_cursor( hdc, &info, bm.bmWidth, bm.bmHeight );
1184 }
1185
1186 DeleteObject( info.hbmMask );
1187 DeleteDC( hdc );
1188 return cursor;
1189 }
1190
1191 /***********************************************************************
1192 * DestroyCursorIcon (X11DRV.@)
1193 */
1194 void CDECL X11DRV_DestroyCursorIcon( HCURSOR handle )
1195 {
1196 Cursor cursor;
1197
1198 if (!XFindContext( gdi_display, (XID)handle, cursor_context, (char **)&cursor ))
1199 {
1200 TRACE( "%p xid %lx\n", handle, cursor );
1201 XFreeCursor( gdi_display, cursor );
1202 XDeleteContext( gdi_display, (XID)handle, cursor_context );
1203 }
1204 }
1205
1206 /***********************************************************************
1207 * SetCursor (X11DRV.@)
1208 */
1209 void CDECL X11DRV_SetCursor( HCURSOR handle )
1210 {
1211 if (InterlockedExchangePointer( (void **)&last_cursor, handle ) != handle ||
1212 GetTickCount() - last_cursor_change > 100)
1213 {
1214 last_cursor_change = GetTickCount();
1215 if (cursor_window) SendNotifyMessageW( cursor_window, WM_X11DRV_SET_CURSOR, 0, (LPARAM)handle );
1216 }
1217 }
1218
1219 /***********************************************************************
1220 * SetCursorPos (X11DRV.@)
1221 */
1222 BOOL CDECL X11DRV_SetCursorPos( INT x, INT y )
1223 {
1224 struct x11drv_thread_data *data = x11drv_init_thread_data();
1225
1226 XWarpPointer( data->display, root_window, root_window, 0, 0, 0, 0,
1227 x - virtual_screen_rect.left, y - virtual_screen_rect.top );
1228 data->warp_serial = NextRequest( data->display );
1229 XNoOp( data->display );
1230 XFlush( data->display ); /* avoids bad mouse lag in games that do their own mouse warping */
1231 TRACE( "warped to %d,%d serial %lu\n", x, y, data->warp_serial );
1232 return TRUE;
1233 }
1234
1235 /***********************************************************************
1236 * GetCursorPos (X11DRV.@)
1237 */
1238 BOOL CDECL X11DRV_GetCursorPos(LPPOINT pos)
1239 {
1240 Display *display = thread_init_display();
1241 Window root, child;
1242 int rootX, rootY, winX, winY;
1243 unsigned int xstate;
1244 BOOL ret;
1245
1246 ret = XQueryPointer( display, root_window, &root, &child, &rootX, &rootY, &winX, &winY, &xstate );
1247 if (ret)
1248 {
1249 POINT old = *pos;
1250 pos->x = winX + virtual_screen_rect.left;
1251 pos->y = winY + virtual_screen_rect.top;
1252 TRACE( "pointer at (%d,%d) server pos %d,%d\n", pos->x, pos->y, old.x, old.y );
1253 }
1254 return ret;
1255 }
1256
1257 /***********************************************************************
1258 * ClipCursor (X11DRV.@)
1259 */
1260 BOOL CDECL X11DRV_ClipCursor( LPCRECT clip )
1261 {
1262 if (!clip)
1263 {
1264 ungrab_clipping_window();
1265 return TRUE;
1266 }
1267
1268 if (GetWindowThreadProcessId( GetDesktopWindow(), NULL ) == GetCurrentThreadId())
1269 return TRUE; /* don't clip in the desktop process */
1270
1271 if (grab_pointer)
1272 {
1273 HWND foreground = GetForegroundWindow();
1274
1275 /* we are clipping if the clip rectangle is smaller than the screen */
1276 if (clip->left > virtual_screen_rect.left || clip->right < virtual_screen_rect.right ||
1277 clip->top > virtual_screen_rect.top || clip->bottom < virtual_screen_rect.bottom)
1278 {
1279 DWORD tid, pid;
1280
1281 /* forward request to the foreground window if it's in a different thread */
1282 tid = GetWindowThreadProcessId( foreground, &pid );
1283 if (tid && tid != GetCurrentThreadId() && pid == GetCurrentProcessId())
1284 {
1285 TRACE( "forwarding clip request to %p\n", foreground );
1286 SendNotifyMessageW( foreground, WM_X11DRV_CLIP_CURSOR, 0, 0 );
1287 return TRUE;
1288 }
1289 else if (grab_clipping_window( clip )) return TRUE;
1290 }
1291 else /* if currently clipping, check if we should switch to fullscreen clipping */
1292 {
1293 struct x11drv_thread_data *data = x11drv_thread_data();
1294 if (data && data->clip_hwnd)
1295 {
1296 if (EqualRect( clip, &clip_rect ) || clip_fullscreen_window( foreground, TRUE ))
1297 return TRUE;
1298 }
1299 }
1300 }
1301 ungrab_clipping_window();
1302 return TRUE;
1303 }
1304
1305 /***********************************************************************
1306 * move_resize_window
1307 */
1308 void move_resize_window( Display *display, struct x11drv_win_data *data, int dir )
1309 {
1310 DWORD pt;
1311 int x, y, rootX, rootY, button = 0;
1312 XEvent xev;
1313 Window root, child;
1314 unsigned int xstate;
1315
1316 pt = GetMessagePos();
1317 x = (short)LOWORD( pt );
1318 y = (short)HIWORD( pt );
1319
1320 if (GetKeyState( VK_LBUTTON ) & 0x8000) button = 1;
1321 else if (GetKeyState( VK_MBUTTON ) & 0x8000) button = 2;
1322 else if (GetKeyState( VK_RBUTTON ) & 0x8000) button = 3;
1323
1324 TRACE( "hwnd %p/%lx, x %d, y %d, dir %d, button %d\n",
1325 data->hwnd, data->whole_window, x, y, dir, button );
1326
1327 xev.xclient.type = ClientMessage;
1328 xev.xclient.window = data->whole_window;
1329 xev.xclient.message_type = x11drv_atom(_NET_WM_MOVERESIZE);
1330 xev.xclient.serial = 0;
1331 xev.xclient.display = display;
1332 xev.xclient.send_event = True;
1333 xev.xclient.format = 32;
1334 xev.xclient.data.l[0] = x - virtual_screen_rect.left; /* x coord */
1335 xev.xclient.data.l[1] = y - virtual_screen_rect.top; /* y coord */
1336 xev.xclient.data.l[2] = dir; /* direction */
1337 xev.xclient.data.l[3] = button; /* button */
1338 xev.xclient.data.l[4] = 0; /* unused */
1339
1340 /* need to ungrab the pointer that may have been automatically grabbed
1341 * with a ButtonPress event */
1342 XUngrabPointer( display, CurrentTime );
1343 XSendEvent(display, root_window, False, SubstructureNotifyMask | SubstructureRedirectMask, &xev);
1344
1345 /* try to detect the end of the size/move by polling for the mouse button to be released */
1346 /* (some apps don't like it if we return before the size/move is done) */
1347
1348 if (!button) return;
1349 for (;;)
1350 {
1351 MSG msg;
1352 INPUT input;
1353
1354 if (!XQueryPointer( display, root_window, &root, &child, &rootX, &rootY, &x, &y, &xstate )) break;
1355
1356 if (!(xstate & (Button1Mask << (button - 1))))
1357 {
1358 /* fake a button release event */
1359 input.type = INPUT_MOUSE;
1360 input.u.mi.dx = x + virtual_screen_rect.left;
1361 input.u.mi.dy = y + virtual_screen_rect.top;
1362 input.u.mi.mouseData = button_up_data[button - 1];
1363 input.u.mi.dwFlags = button_up_flags[button - 1] | MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE;
1364 input.u.mi.time = GetTickCount();
1365 input.u.mi.dwExtraInfo = 0;
1366 __wine_send_input( data->hwnd, &input );
1367 }
1368
1369 while (PeekMessageW( &msg, 0, 0, 0, PM_REMOVE ))
1370 {
1371 if (!CallMsgFilterW( &msg, MSGF_SIZE ))
1372 {
1373 TranslateMessage( &msg );
1374 DispatchMessageW( &msg );
1375 }
1376 }
1377
1378 if (!(xstate & (Button1Mask << (button - 1)))) break;
1379 MsgWaitForMultipleObjects( 0, NULL, FALSE, 100, QS_ALLINPUT );
1380 }
1381
1382 TRACE( "hwnd %p/%lx done\n", data->hwnd, data->whole_window );
1383 }
1384
1385
1386 /***********************************************************************
1387 * X11DRV_ButtonPress
1388 */
1389 void X11DRV_ButtonPress( HWND hwnd, XEvent *xev )
1390 {
1391 XButtonEvent *event = &xev->xbutton;
1392 int buttonNum = event->button - 1;
1393 INPUT input;
1394
1395 if (buttonNum >= NB_BUTTONS) return;
1396
1397 TRACE( "hwnd %p/%lx button %u pos %d,%d\n", hwnd, event->window, buttonNum, event->x, event->y );
1398
1399 input.u.mi.dx = event->x;
1400 input.u.mi.dy = event->y;
1401 input.u.mi.mouseData = button_down_data[buttonNum];
1402 input.u.mi.dwFlags = button_down_flags[buttonNum] | MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE;
1403 input.u.mi.time = EVENT_x11_time_to_win32_time( event->time );
1404 input.u.mi.dwExtraInfo = 0;
1405
1406 update_user_time( event->time );
1407 send_mouse_input( hwnd, event->window, event->state, &input );
1408 }
1409
1410
1411 /***********************************************************************
1412 * X11DRV_ButtonRelease
1413 */
1414 void X11DRV_ButtonRelease( HWND hwnd, XEvent *xev )
1415 {
1416 XButtonEvent *event = &xev->xbutton;
1417 int buttonNum = event->button - 1;
1418 INPUT input;
1419
1420 if (buttonNum >= NB_BUTTONS || !button_up_flags[buttonNum]) return;
1421
1422 TRACE( "hwnd %p/%lx button %u pos %d,%d\n", hwnd, event->window, buttonNum, event->x, event->y );
1423
1424 input.u.mi.dx = event->x;
1425 input.u.mi.dy = event->y;
1426 input.u.mi.mouseData = button_up_data[buttonNum];
1427 input.u.mi.dwFlags = button_up_flags[buttonNum] | MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE;
1428 input.u.mi.time = EVENT_x11_time_to_win32_time( event->time );
1429 input.u.mi.dwExtraInfo = 0;
1430
1431 send_mouse_input( hwnd, event->window, event->state, &input );
1432 }
1433
1434
1435 /***********************************************************************
1436 * X11DRV_MotionNotify
1437 */
1438 void X11DRV_MotionNotify( HWND hwnd, XEvent *xev )
1439 {
1440 XMotionEvent *event = &xev->xmotion;
1441 INPUT input;
1442
1443 TRACE( "hwnd %p/%lx pos %d,%d is_hint %d serial %lu\n",
1444 hwnd, event->window, event->x, event->y, event->is_hint, event->serial );
1445
1446 input.u.mi.dx = event->x;
1447 input.u.mi.dy = event->y;
1448 input.u.mi.mouseData = 0;
1449 input.u.mi.dwFlags = MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE;
1450 input.u.mi.time = EVENT_x11_time_to_win32_time( event->time );
1451 input.u.mi.dwExtraInfo = 0;
1452
1453 if (!hwnd)
1454 {
1455 struct x11drv_thread_data *thread_data = x11drv_thread_data();
1456 if (thread_data->warp_serial && (long)(event->serial - thread_data->warp_serial) < 0) return;
1457 }
1458
1459 send_mouse_input( hwnd, event->window, event->state, &input );
1460 }
1461
1462
1463 /***********************************************************************
1464 * X11DRV_EnterNotify
1465 */
1466 void X11DRV_EnterNotify( HWND hwnd, XEvent *xev )
1467 {
1468 XCrossingEvent *event = &xev->xcrossing;
1469 INPUT input;
1470
1471 TRACE( "hwnd %p/%lx pos %d,%d detail %d\n", hwnd, event->window, event->x, event->y, event->detail );
1472
1473 if (event->detail == NotifyVirtual) return;
1474 if (event->window == x11drv_thread_data()->grab_window) return;
1475
1476 /* simulate a mouse motion event */
1477 input.u.mi.dx = event->x;
1478 input.u.mi.dy = event->y;
1479 input.u.mi.mouseData = 0;
1480 input.u.mi.dwFlags = MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE;
1481 input.u.mi.time = EVENT_x11_time_to_win32_time( event->time );
1482 input.u.mi.dwExtraInfo = 0;
1483
1484 send_mouse_input( hwnd, event->window, event->state, &input );
1485 }
1486
1487 #ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
1488
1489 /***********************************************************************
1490 * X11DRV_RawMotion
1491 */
1492 static void X11DRV_RawMotion( XGenericEventCookie *xev )
1493 {
1494 XIRawEvent *event = xev->data;
1495 const double *values = event->valuators.values;
1496 INPUT input;
1497 int i, j;
1498 double dx = 0, dy = 0;
1499 struct x11drv_thread_data *thread_data = x11drv_thread_data();
1500 XIDeviceInfo *devices = thread_data->xi2_devices;
1501
1502 if (!event->valuators.mask_len) return;
1503 if (thread_data->xi2_state != xi_enabled) return;
1504
1505 input.u.mi.mouseData = 0;
1506 input.u.mi.dwFlags = MOUSEEVENTF_MOVE;
1507 input.u.mi.time = EVENT_x11_time_to_win32_time( event->time );
1508 input.u.mi.dwExtraInfo = 0;
1509 input.u.mi.dx = 0;
1510 input.u.mi.dy = 0;
1511
1512 for (i = 0; i < thread_data->xi2_device_count; ++i)
1513 {
1514 if (devices[i].deviceid != event->deviceid) continue;
1515 for (j = 0; j < devices[i].num_classes; j++)
1516 {
1517 XIValuatorClassInfo *class = (XIValuatorClassInfo *)devices[i].classes[j];
1518
1519 if (devices[i].classes[j]->type != XIValuatorClass) continue;
1520 if (XIMaskIsSet( event->valuators.mask, class->number ))
1521 {
1522 double val = *values++;
1523 if (class->label == x11drv_atom( Rel_X ))
1524 {
1525 input.u.mi.dx = dx = val;
1526 if (class->min < class->max)
1527 input.u.mi.dx = val * (virtual_screen_rect.right - virtual_screen_rect.left)
1528 / (class->max - class->min);
1529 }
1530 else if (class->label == x11drv_atom( Rel_Y ))
1531 {
1532 input.u.mi.dy = dy = val;
1533 if (class->min < class->max)
1534 input.u.mi.dy = val * (virtual_screen_rect.bottom - virtual_screen_rect.top)
1535 / (class->max - class->min);
1536 }
1537 }
1538 }
1539 break;
1540 }
1541
1542 if (thread_data->warp_serial)
1543 {
1544 if ((long)(xev->serial - thread_data->warp_serial) < 0)
1545 {
1546 TRACE( "pos %d,%d old serial %lu, ignoring\n", input.u.mi.dx, input.u.mi.dy, xev->serial );
1547 return;
1548 }
1549 thread_data->warp_serial = 0; /* we caught up now */
1550 }
1551
1552 TRACE( "pos %d,%d (event %f,%f)\n", input.u.mi.dx, input.u.mi.dy, dx, dy );
1553
1554 input.type = INPUT_MOUSE;
1555 __wine_send_input( 0, &input );
1556 }
1557
1558 #endif /* HAVE_X11_EXTENSIONS_XINPUT2_H */
1559
1560
1561 /***********************************************************************
1562 * X11DRV_XInput2_Init
1563 */
1564 void X11DRV_XInput2_Init(void)
1565 {
1566 #if defined(SONAME_LIBXI) && defined(HAVE_X11_EXTENSIONS_XINPUT2_H)
1567 int event, error;
1568 void *libxi_handle = wine_dlopen( SONAME_LIBXI, RTLD_NOW, NULL, 0 );
1569
1570 if (!libxi_handle)
1571 {
1572 WARN( "couldn't load %s\n", SONAME_LIBXI );
1573 return;
1574 }
1575 #define LOAD_FUNCPTR(f) \
1576 if (!(p##f = wine_dlsym( libxi_handle, #f, NULL, 0))) \
1577 { \
1578 WARN("Failed to load %s.\n", #f); \
1579 return; \
1580 }
1581
1582 LOAD_FUNCPTR(XIFreeDeviceInfo);
1583 LOAD_FUNCPTR(XIQueryDevice);
1584 LOAD_FUNCPTR(XIQueryVersion);
1585 LOAD_FUNCPTR(XISelectEvents);
1586 #undef LOAD_FUNCPTR
1587
1588 xinput2_available = XQueryExtension( gdi_display, "XInputExtension", &xinput2_opcode, &event, &error );
1589 #else
1590 TRACE( "X Input 2 support not compiled in.\n" );
1591 #endif
1592 }
1593
1594
1595 /***********************************************************************
1596 * X11DRV_GenericEvent
1597 */
1598 void X11DRV_GenericEvent( HWND hwnd, XEvent *xev )
1599 {
1600 #ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
1601 XGenericEventCookie *event = &xev->xcookie;
1602
1603 if (!event->data) return;
1604 if (event->extension != xinput2_opcode) return;
1605
1606 switch (event->evtype)
1607 {
1608 case XI_RawMotion:
1609 X11DRV_RawMotion( event );
1610 break;
1611
1612 default:
1613 TRACE( "Unhandled event %#x\n", event->evtype );
1614 break;
1615 }
1616 #endif
1617 }
Windows API implementation