4 * Copyright 1998 Ulrich Weigand
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #ifdef HAVE_LIBXXF86DGA2
25 #include <X11/extensions/xf86dga.h>
29 #define NONAMELESSUNION
30 #define NONAMELESSSTRUCT
33 #include "wine/winuser16.h"
36 #include "wine/debug.h"
38 WINE_DEFAULT_DEBUG_CHANNEL(cursor);
40 /**********************************************************************/
42 #define NB_BUTTONS 5 /* Windows can handle 3 buttons and the wheel too */
44 static const UINT button_down_flags[NB_BUTTONS] =
47 MOUSEEVENTF_MIDDLEDOWN,
48 MOUSEEVENTF_RIGHTDOWN,
53 static const UINT button_up_flags[NB_BUTTONS] =
62 static BYTE *pKeyStateTable;
65 /***********************************************************************
68 * get the coordinates of a mouse event
70 static void get_coords( HWND *hwnd, Window window, int x, int y, POINT *pt )
72 struct x11drv_win_data *data;
75 if (!(win = WIN_GetPtr( *hwnd )) || win == WND_OTHER_PROCESS) return;
76 data = win->pDriverData;
78 if (window == data->whole_window)
80 x -= data->client_rect.left;
81 y -= data->client_rect.top;
83 WIN_ReleasePtr( win );
87 if (*hwnd != GetDesktopWindow())
89 ClientToScreen( *hwnd, pt );
90 *hwnd = GetAncestor( *hwnd, GA_ROOT );
95 /***********************************************************************
98 * Update the button state with what X provides us
100 static void update_button_state( unsigned int state )
102 pKeyStateTable[VK_LBUTTON] = (state & Button1Mask ? 0x80 : 0);
103 pKeyStateTable[VK_MBUTTON] = (state & Button2Mask ? 0x80 : 0);
104 pKeyStateTable[VK_RBUTTON] = (state & Button3Mask ? 0x80 : 0);
108 /***********************************************************************
111 * Update the key state with what X provides us
113 static void update_key_state( unsigned int state )
115 pKeyStateTable[VK_SHIFT] = (state & ShiftMask ? 0x80 : 0);
116 pKeyStateTable[VK_CONTROL] = (state & ControlMask ? 0x80 : 0);
120 /***********************************************************************
123 static void send_mouse_event( HWND hwnd, DWORD flags, DWORD posX, DWORD posY,
124 DWORD data, Time time )
128 TRACE("(%04lX,%ld,%ld)\n", flags, posX, posY );
130 if (flags & MOUSEEVENTF_ABSOLUTE)
132 int width = GetSystemMetrics( SM_CXSCREEN );
133 int height = GetSystemMetrics( SM_CYSCREEN );
134 /* Relative mouse movements seem not to be scaled as absolute ones */
135 posX = (((long)posX << 16) + width-1) / width;
136 posY = (((long)posY << 16) + height-1) / height;
139 input.type = WINE_INTERNAL_INPUT_MOUSE;
140 input.u.mi.dx = posX;
141 input.u.mi.dy = posY;
142 input.u.mi.mouseData = data;
143 input.u.mi.dwFlags = flags;
144 input.u.mi.time = time - X11DRV_server_startticks;
145 input.u.mi.dwExtraInfo = (ULONG_PTR)hwnd;
146 SendInput( 1, &input, sizeof(input) );
150 /***********************************************************************
153 * Update the cursor of a window on a mouse event.
155 static void update_cursor( HWND hwnd, Window win )
157 struct x11drv_thread_data *data = x11drv_thread_data();
159 if (win == X11DRV_get_client_window( hwnd ))
160 win = X11DRV_get_whole_window( hwnd ); /* always set cursor on whole window */
162 if (data->cursor_window != win)
164 data->cursor_window = win;
165 if (data->cursor) TSXDefineCursor( data->display, win, data->cursor );
170 /***********************************************************************
173 * Create an X cursor from a Windows one.
175 static Cursor create_cursor( Display *display, CURSORICONINFO *ptr )
177 Pixmap pixmapBits, pixmapMask, pixmapMaskInv, pixmapAll;
179 Cursor cursor = None;
181 if (!ptr) /* Create an empty cursor */
183 static const char data[] = { 0 };
185 bg.red = bg.green = bg.blue = 0x0000;
186 pixmapBits = XCreateBitmapFromData( display, root_window, data, 1, 1 );
189 cursor = XCreatePixmapCursor( display, pixmapBits, pixmapBits,
191 XFreePixmap( display, pixmapBits );
194 else /* Create the X cursor from the bits */
199 TRACE("Bitmap %dx%d planes=%d bpp=%d bytesperline=%d\n",
200 ptr->nWidth, ptr->nHeight, ptr->bPlanes, ptr->bBitsPerPixel,
202 /* Create a pixmap and transfer all the bits to it */
204 /* NOTE: Following hack works, but only because XFree depth
205 * 1 images really use 1 bit/pixel (and so the same layout
206 * as the Windows cursor data). Perhaps use a more generic
209 /* This pixmap will be written with two bitmaps. The first is
210 * the mask and the second is the image.
212 if (!(pixmapAll = XCreatePixmap( display, root_window,
213 ptr->nWidth, ptr->nHeight * 2, 1 )))
215 if (!(image = XCreateImage( display, visual,
216 1, ZPixmap, 0, (char *)(ptr + 1), ptr->nWidth,
217 ptr->nHeight * 2, 16, ptr->nWidthBytes/ptr->bBitsPerPixel)))
219 XFreePixmap( display, pixmapAll );
222 gc = XCreateGC( display, pixmapAll, 0, NULL );
223 XSetGraphicsExposures( display, gc, False );
224 image->byte_order = MSBFirst;
225 image->bitmap_bit_order = MSBFirst;
226 image->bitmap_unit = 16;
227 _XInitImageFuncPtrs(image);
228 if (ptr->bPlanes * ptr->bBitsPerPixel == 1)
230 /* A plain old white on black cursor. */
231 fg.red = fg.green = fg.blue = 0xffff;
232 bg.red = bg.green = bg.blue = 0x0000;
233 XPutImage( display, pixmapAll, gc, image,
234 0, 0, 0, 0, ptr->nWidth, ptr->nHeight * 2 );
238 int rbits, gbits, bbits, red, green, blue;
239 int rfg, gfg, bfg, rbg, gbg, bbg;
240 int rscale, gscale, bscale;
241 int x, y, xmax, ymax, bitIndex, byteIndex, xorIndex;
242 unsigned char *theMask, *theImage, theChar;
243 int threshold, fgBits, bgBits, bitShifted;
244 BYTE pXorBits[128]; /* Up to 32x32 icons */
246 switch (ptr->bBitsPerPixel)
261 FIXME("Currently no support for cursors with %d bits per pixel\n",
263 XFreePixmap( display, pixmapAll );
264 XFreeGC( display, gc );
266 XDestroyImage( image );
269 /* The location of the mask. */
270 theMask = (char *)(ptr + 1);
271 /* The mask should still be 1 bit per pixel. The color image
272 * should immediately follow the mask.
274 theImage = &theMask[ptr->nWidth/8 * ptr->nHeight];
275 rfg = gfg = bfg = rbg = gbg = bbg = 0;
281 xmax = (ptr->nWidth > 32) ? 32 : ptr->nWidth;
282 if (ptr->nWidth > 32) {
283 ERR("Got a %dx%d cursor. Cannot handle larger than 32x32.\n",
284 ptr->nWidth, ptr->nHeight);
286 ymax = (ptr->nHeight > 32) ? 32 : ptr->nHeight;
288 memset(pXorBits, 0, 128);
289 for (y=0; y<ymax; y++)
291 for (x=0; x<xmax; x++)
293 red = green = blue = 0;
294 switch (ptr->bBitsPerPixel)
297 theChar = theImage[byteIndex++];
299 theChar = theImage[byteIndex++];
301 theChar = theImage[byteIndex++];
305 theChar = theImage[byteIndex++];
306 blue = theChar & 0x1F;
307 green = (theChar & 0xE0) >> 5;
308 theChar = theImage[byteIndex++];
309 green |= (theChar & 0x07) << 3;
310 red = (theChar & 0xF8) >> 3;
314 if (red+green+blue > threshold)
320 pXorBits[xorIndex] |= bitShifted;
334 bitShifted = bitShifted << 1;
337 rscale = 1 << (16 - rbits);
338 gscale = 1 << (16 - gbits);
339 bscale = 1 << (16 - bbits);
342 fg.red = rfg * rscale / fgBits;
343 fg.green = gfg * gscale / fgBits;
344 fg.blue = bfg * bscale / fgBits;
346 else fg.red = fg.green = fg.blue = 0;
347 bgBits = xmax * ymax - fgBits;
350 bg.red = rbg * rscale / bgBits;
351 bg.green = gbg * gscale / bgBits;
352 bg.blue = bbg * bscale / bgBits;
354 else bg.red = bg.green = bg.blue = 0;
355 pixmapBits = XCreateBitmapFromData( display, root_window, pXorBits, xmax, ymax );
358 XFreePixmap( display, pixmapAll );
359 XFreeGC( display, gc );
361 XDestroyImage( image );
366 XPutImage( display, pixmapAll, gc, image,
367 0, 0, 0, 0, ptr->nWidth, ptr->nHeight );
368 XSetFunction( display, gc, GXcopy );
370 XCopyArea( display, pixmapBits, pixmapAll, gc,
371 0, 0, xmax, ymax, 0, ptr->nHeight );
372 XFreePixmap( display, pixmapBits );
375 XDestroyImage( image );
377 /* Now create the 2 pixmaps for bits and mask */
379 pixmapBits = XCreatePixmap( display, root_window, ptr->nWidth, ptr->nHeight, 1 );
380 pixmapMask = XCreatePixmap( display, root_window, ptr->nWidth, ptr->nHeight, 1 );
381 pixmapMaskInv = XCreatePixmap( display, root_window, ptr->nWidth, ptr->nHeight, 1 );
383 /* Make sure everything went OK so far */
385 if (pixmapBits && pixmapMask && pixmapMaskInv)
389 /* We have to do some magic here, as cursors are not fully
390 * compatible between Windows and X11. Under X11, there
391 * are only 3 possible color cursor: black, white and
392 * masked. So we map the 4th Windows color (invert the
393 * bits on the screen) to black and an additional white bit on
394 * an other place (+1,+1). This require some boolean arithmetic:
397 * And Xor Result | Bits Mask Result
398 * 0 0 black | 0 1 background
399 * 0 1 white | 1 1 foreground
400 * 1 0 no change | X 0 no change
401 * 1 1 inverted | 0 1 background
404 * Bits = not 'And' and 'Xor' or 'And2' and 'Xor2'
405 * Mask = not 'And' or 'Xor' or 'And2' and 'Xor2'
407 * FIXME: apparently some servers do support 'inverted' color.
408 * I don't know if it's correct per the X spec, but maybe
409 * we ought to take advantage of it. -- AJ
411 XSetFunction( display, gc, GXcopy );
412 XCopyArea( display, pixmapAll, pixmapBits, gc,
413 0, 0, ptr->nWidth, ptr->nHeight, 0, 0 );
414 XCopyArea( display, pixmapAll, pixmapMask, gc,
415 0, 0, ptr->nWidth, ptr->nHeight, 0, 0 );
416 XCopyArea( display, pixmapAll, pixmapMaskInv, gc,
417 0, 0, ptr->nWidth, ptr->nHeight, 0, 0 );
418 XSetFunction( display, gc, GXand );
419 XCopyArea( display, pixmapAll, pixmapMaskInv, gc,
420 0, ptr->nHeight, ptr->nWidth, ptr->nHeight, 0, 0 );
421 XSetFunction( display, gc, GXandReverse );
422 XCopyArea( display, pixmapAll, pixmapBits, gc,
423 0, ptr->nHeight, ptr->nWidth, ptr->nHeight, 0, 0 );
424 XSetFunction( display, gc, GXorReverse );
425 XCopyArea( display, pixmapAll, pixmapMask, gc,
426 0, ptr->nHeight, ptr->nWidth, ptr->nHeight, 0, 0 );
427 /* Additional white */
428 XSetFunction( display, gc, GXor );
429 XCopyArea( display, pixmapMaskInv, pixmapMask, gc,
430 0, 0, ptr->nWidth, ptr->nHeight, 1, 1 );
431 XCopyArea( display, pixmapMaskInv, pixmapBits, gc,
432 0, 0, ptr->nWidth, ptr->nHeight, 1, 1 );
433 XSetFunction( display, gc, GXcopy );
435 /* Make sure hotspot is valid */
436 hotspot.x = ptr->ptHotSpot.x;
437 hotspot.y = ptr->ptHotSpot.y;
438 if (hotspot.x < 0 || hotspot.x >= ptr->nWidth ||
439 hotspot.y < 0 || hotspot.y >= ptr->nHeight)
441 hotspot.x = ptr->nWidth / 2;
442 hotspot.y = ptr->nHeight / 2;
444 cursor = XCreatePixmapCursor( display, pixmapBits, pixmapMask,
445 &fg, &bg, hotspot.x, hotspot.y );
448 /* Now free everything */
450 if (pixmapAll) XFreePixmap( display, pixmapAll );
451 if (pixmapBits) XFreePixmap( display, pixmapBits );
452 if (pixmapMask) XFreePixmap( display, pixmapMask );
453 if (pixmapMaskInv) XFreePixmap( display, pixmapMaskInv );
454 XFreeGC( display, gc );
460 /***********************************************************************
461 * SetCursor (X11DRV.@)
463 void X11DRV_SetCursor( CURSORICONINFO *lpCursor )
467 if (root_window != DefaultRootWindow(gdi_display))
469 /* If in desktop mode, set the cursor on the desktop window */
472 cursor = create_cursor( gdi_display, lpCursor );
475 XDefineCursor( gdi_display, root_window, cursor );
476 /* Make the change take effect immediately */
478 XFreeCursor( gdi_display, cursor );
482 else /* set the same cursor for all top-level windows of the current thread */
484 struct x11drv_thread_data *data = x11drv_thread_data();
487 cursor = create_cursor( data->display, lpCursor );
490 if (data->cursor) XFreeCursor( data->display, data->cursor );
491 data->cursor = cursor;
492 if (data->cursor_window)
494 XDefineCursor( data->display, data->cursor_window, cursor );
495 /* Make the change take effect immediately */
496 XFlush( data->display );
503 /***********************************************************************
504 * SetCursorPos (X11DRV.@)
506 void X11DRV_SetCursorPos( INT x, INT y )
508 Display *display = thread_display();
510 TRACE( "warping to (%d,%d)\n", x, y );
513 XWarpPointer( display, root_window, root_window, 0, 0, 0, 0, x, y );
514 XFlush( display ); /* just in case */
518 /***********************************************************************
519 * GetCursorPos (X11DRV.@)
521 void X11DRV_GetCursorPos(LPPOINT pos)
523 Display *display = thread_display();
525 int rootX, rootY, winX, winY;
528 if (!TSXQueryPointer( display, root_window, &root, &child,
529 &rootX, &rootY, &winX, &winY, &xstate ))
532 update_key_state( xstate );
533 update_button_state( xstate );
534 TRACE("pointer at (%d,%d)\n", winX, winY );
539 /***********************************************************************
540 * InitMouse (X11DRV.@)
542 void X11DRV_InitMouse( BYTE *key_state_table )
544 pKeyStateTable = key_state_table;
548 /***********************************************************************
551 void X11DRV_ButtonPress( HWND hwnd, XButtonEvent *event )
553 int buttonNum = event->button - 1;
557 if (buttonNum >= NB_BUTTONS) return;
560 update_cursor( hwnd, event->window );
561 get_coords( &hwnd, event->window, event->x, event->y, &pt );
569 wData = -WHEEL_DELTA;
572 update_key_state( event->state );
573 send_mouse_event( hwnd, button_down_flags[buttonNum] | MOUSEEVENTF_ABSOLUTE,
574 pt.x, pt.y, wData, event->time );
578 /***********************************************************************
579 * X11DRV_ButtonRelease
581 void X11DRV_ButtonRelease( HWND hwnd, XButtonEvent *event )
583 int buttonNum = event->button - 1;
586 if (buttonNum >= NB_BUTTONS || !button_up_flags[buttonNum]) return;
589 update_cursor( hwnd, event->window );
590 get_coords( &hwnd, event->window, event->x, event->y, &pt );
591 update_key_state( event->state );
592 send_mouse_event( hwnd, button_up_flags[buttonNum] | MOUSEEVENTF_ABSOLUTE,
593 pt.x, pt.y, 0, event->time );
597 /***********************************************************************
598 * X11DRV_MotionNotify
600 void X11DRV_MotionNotify( HWND hwnd, XMotionEvent *event )
606 update_cursor( hwnd, event->window );
607 get_coords( &hwnd, event->window, event->x, event->y, &pt );
608 update_key_state( event->state );
609 send_mouse_event( hwnd, MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE,
610 pt.x, pt.y, 0, event->time );
614 /***********************************************************************
617 void X11DRV_EnterNotify( HWND hwnd, XCrossingEvent *event )
621 if (event->detail == NotifyVirtual || event->detail == NotifyNonlinearVirtual) return;
624 /* simulate a mouse motion event */
625 update_cursor( hwnd, event->window );
626 get_coords( &hwnd, event->window, event->x, event->y, &pt );
627 update_key_state( event->state );
628 send_mouse_event( hwnd, MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE,
629 pt.x, pt.y, 0, event->time );
633 #ifdef HAVE_LIBXXF86DGA2
634 /**********************************************************************
635 * X11DRV_DGAMotionEvent
637 void X11DRV_DGAMotionEvent( HWND hwnd, XDGAMotionEvent *event )
639 update_key_state( event->state );
640 send_mouse_event( hwnd, MOUSEEVENTF_MOVE, event->dx, event->dy, 0, event->time );
643 /**********************************************************************
644 * X11DRV_DGAButtonPressEvent
646 void X11DRV_DGAButtonPressEvent( HWND hwnd, XDGAButtonEvent *event )
648 int buttonNum = event->button - 1;
650 if (buttonNum >= NB_BUTTONS) return;
651 update_key_state( event->state );
652 send_mouse_event( hwnd, button_down_flags[buttonNum], 0, 0, 0, event->time );
655 /**********************************************************************
656 * X11DRV_DGAButtonReleaseEvent
658 void X11DRV_DGAButtonReleaseEvent( HWND hwnd, XDGAButtonEvent *event )
660 int buttonNum = event->button - 1;
662 if (buttonNum >= NB_BUTTONS) return;
663 update_key_state( event->state );
664 send_mouse_event( hwnd, button_up_flags[buttonNum], 0, 0, 0, event->time );
666 #endif /* HAVE_LIBXXF86DGA2 */