/* * X11 mouse driver * * Copyright 1998 Ulrich Weigand * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include #ifdef HAVE_LIBXXF86DGA2 #include #endif #include #define NONAMELESSUNION #define NONAMELESSSTRUCT #include "windef.h" #include "winbase.h" #include "wine/winuser16.h" #include "x11drv.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(cursor); /**********************************************************************/ #define NB_BUTTONS 5 /* Windows can handle 3 buttons and the wheel too */ static const UINT button_down_flags[NB_BUTTONS] = { MOUSEEVENTF_LEFTDOWN, MOUSEEVENTF_MIDDLEDOWN, MOUSEEVENTF_RIGHTDOWN, MOUSEEVENTF_WHEEL, MOUSEEVENTF_WHEEL }; static const UINT button_up_flags[NB_BUTTONS] = { MOUSEEVENTF_LEFTUP, MOUSEEVENTF_MIDDLEUP, MOUSEEVENTF_RIGHTUP, 0, 0 }; static BYTE *pKeyStateTable; /*********************************************************************** * get_coords * * get the coordinates of a mouse event */ static void get_coords( HWND *hwnd, Window window, int x, int y, POINT *pt ) { struct x11drv_win_data *data; WND *win; if (!(win = WIN_GetPtr( *hwnd )) || win == WND_OTHER_PROCESS) return; data = win->pDriverData; if (window == data->whole_window) { x -= data->client_rect.left; y -= data->client_rect.top; } WIN_ReleasePtr( win ); pt->x = x; pt->y = y; if (*hwnd != GetDesktopWindow()) { ClientToScreen( *hwnd, pt ); *hwnd = GetAncestor( *hwnd, GA_ROOT ); } } /*********************************************************************** * update_button_state * * Update the button state with what X provides us */ static void update_button_state( unsigned int state ) { pKeyStateTable[VK_LBUTTON] = (state & Button1Mask ? 0x80 : 0); pKeyStateTable[VK_MBUTTON] = (state & Button2Mask ? 0x80 : 0); pKeyStateTable[VK_RBUTTON] = (state & Button3Mask ? 0x80 : 0); } /*********************************************************************** * update_key_state * * Update the key state with what X provides us */ static void update_key_state( unsigned int state ) { pKeyStateTable[VK_SHIFT] = (state & ShiftMask ? 0x80 : 0); pKeyStateTable[VK_CONTROL] = (state & ControlMask ? 0x80 : 0); } /*********************************************************************** * send_mouse_event */ static void send_mouse_event( HWND hwnd, DWORD flags, DWORD posX, DWORD posY, DWORD data, Time time ) { INPUT input; TRACE("(%04lX,%ld,%ld)\n", flags, posX, posY ); if (flags & MOUSEEVENTF_ABSOLUTE) { int width = GetSystemMetrics( SM_CXSCREEN ); int height = GetSystemMetrics( SM_CYSCREEN ); /* Relative mouse movements seem not to be scaled as absolute ones */ posX = (((long)posX << 16) + width-1) / width; posY = (((long)posY << 16) + height-1) / height; } input.type = WINE_INTERNAL_INPUT_MOUSE; input.u.mi.dx = posX; input.u.mi.dy = posY; input.u.mi.mouseData = data; input.u.mi.dwFlags = flags; input.u.mi.time = time - X11DRV_server_startticks; input.u.mi.dwExtraInfo = (ULONG_PTR)hwnd; SendInput( 1, &input, sizeof(input) ); } /*********************************************************************** * update_cursor * * Update the cursor of a window on a mouse event. */ static void update_cursor( HWND hwnd, Window win ) { struct x11drv_thread_data *data = x11drv_thread_data(); if (win == X11DRV_get_client_window( hwnd )) win = X11DRV_get_whole_window( hwnd ); /* always set cursor on whole window */ if (data->cursor_window != win) { data->cursor_window = win; wine_tsx11_lock(); if (data->cursor) XDefineCursor( data->display, win, data->cursor ); wine_tsx11_unlock(); } } /*********************************************************************** * create_cursor * * Create an X cursor from a Windows one. */ static Cursor create_cursor( Display *display, CURSORICONINFO *ptr ) { Pixmap pixmapBits, pixmapMask, pixmapMaskInv, pixmapAll; XColor fg, bg; Cursor cursor = None; if (!ptr) /* Create an empty cursor */ { static const char data[] = { 0 }; bg.red = bg.green = bg.blue = 0x0000; pixmapBits = XCreateBitmapFromData( display, root_window, data, 1, 1 ); if (pixmapBits) { cursor = XCreatePixmapCursor( display, pixmapBits, pixmapBits, &bg, &bg, 0, 0 ); XFreePixmap( display, pixmapBits ); } } else /* Create the X cursor from the bits */ { XImage *image; GC gc; TRACE("Bitmap %dx%d planes=%d bpp=%d bytesperline=%d\n", ptr->nWidth, ptr->nHeight, ptr->bPlanes, ptr->bBitsPerPixel, ptr->nWidthBytes); /* Create a pixmap and transfer all the bits to it */ /* NOTE: Following hack works, but only because XFree depth * 1 images really use 1 bit/pixel (and so the same layout * as the Windows cursor data). Perhaps use a more generic * algorithm here. */ /* This pixmap will be written with two bitmaps. The first is * the mask and the second is the image. */ if (!(pixmapAll = XCreatePixmap( display, root_window, ptr->nWidth, ptr->nHeight * 2, 1 ))) return 0; if (!(image = XCreateImage( display, visual, 1, ZPixmap, 0, (char *)(ptr + 1), ptr->nWidth, ptr->nHeight * 2, 16, ptr->nWidthBytes/ptr->bBitsPerPixel))) { XFreePixmap( display, pixmapAll ); return 0; } gc = XCreateGC( display, pixmapAll, 0, NULL ); XSetGraphicsExposures( display, gc, False ); image->byte_order = MSBFirst; image->bitmap_bit_order = MSBFirst; image->bitmap_unit = 16; _XInitImageFuncPtrs(image); if (ptr->bPlanes * ptr->bBitsPerPixel == 1) { /* A plain old white on black cursor. */ fg.red = fg.green = fg.blue = 0xffff; bg.red = bg.green = bg.blue = 0x0000; XPutImage( display, pixmapAll, gc, image, 0, 0, 0, 0, ptr->nWidth, ptr->nHeight * 2 ); } else { int rbits, gbits, bbits, red, green, blue; int rfg, gfg, bfg, rbg, gbg, bbg; int rscale, gscale, bscale; int x, y, xmax, ymax, bitIndex, byteIndex, xorIndex; unsigned char *theMask, *theImage, theChar; int threshold, fgBits, bgBits, bitShifted; BYTE pXorBits[128]; /* Up to 32x32 icons */ switch (ptr->bBitsPerPixel) { case 24: rbits = 8; gbits = 8; bbits = 8; threshold = 0x40; break; case 16: rbits = 5; gbits = 6; bbits = 5; threshold = 0x40; break; default: FIXME("Currently no support for cursors with %d bits per pixel\n", ptr->bBitsPerPixel); XFreePixmap( display, pixmapAll ); XFreeGC( display, gc ); image->data = NULL; XDestroyImage( image ); return 0; } /* The location of the mask. */ theMask = (char *)(ptr + 1); /* The mask should still be 1 bit per pixel. The color image * should immediately follow the mask. */ theImage = &theMask[ptr->nWidth/8 * ptr->nHeight]; rfg = gfg = bfg = rbg = gbg = bbg = 0; bitIndex = 0; byteIndex = 0; xorIndex = 0; fgBits = 0; bitShifted = 0x01; xmax = (ptr->nWidth > 32) ? 32 : ptr->nWidth; if (ptr->nWidth > 32) { ERR("Got a %dx%d cursor. Cannot handle larger than 32x32.\n", ptr->nWidth, ptr->nHeight); } ymax = (ptr->nHeight > 32) ? 32 : ptr->nHeight; memset(pXorBits, 0, 128); for (y=0; ybBitsPerPixel) { case 24: theChar = theImage[byteIndex++]; blue = theChar; theChar = theImage[byteIndex++]; green = theChar; theChar = theImage[byteIndex++]; red = theChar; break; case 16: theChar = theImage[byteIndex++]; blue = theChar & 0x1F; green = (theChar & 0xE0) >> 5; theChar = theImage[byteIndex++]; green |= (theChar & 0x07) << 3; red = (theChar & 0xF8) >> 3; break; } if (red+green+blue > threshold) { rfg += red; gfg += green; bfg += blue; fgBits++; pXorBits[xorIndex] |= bitShifted; } else { rbg += red; gbg += green; bbg += blue; } if (x%8 == 7) { bitShifted = 0x01; xorIndex++; } else bitShifted = bitShifted << 1; } } rscale = 1 << (16 - rbits); gscale = 1 << (16 - gbits); bscale = 1 << (16 - bbits); if (fgBits) { fg.red = rfg * rscale / fgBits; fg.green = gfg * gscale / fgBits; fg.blue = bfg * bscale / fgBits; } else fg.red = fg.green = fg.blue = 0; bgBits = xmax * ymax - fgBits; if (bgBits) { bg.red = rbg * rscale / bgBits; bg.green = gbg * gscale / bgBits; bg.blue = bbg * bscale / bgBits; } else bg.red = bg.green = bg.blue = 0; pixmapBits = XCreateBitmapFromData( display, root_window, pXorBits, xmax, ymax ); if (!pixmapBits) { XFreePixmap( display, pixmapAll ); XFreeGC( display, gc ); image->data = NULL; XDestroyImage( image ); return 0; } /* Put the mask. */ XPutImage( display, pixmapAll, gc, image, 0, 0, 0, 0, ptr->nWidth, ptr->nHeight ); XSetFunction( display, gc, GXcopy ); /* Put the image */ XCopyArea( display, pixmapBits, pixmapAll, gc, 0, 0, xmax, ymax, 0, ptr->nHeight ); XFreePixmap( display, pixmapBits ); } image->data = NULL; XDestroyImage( image ); /* Now create the 2 pixmaps for bits and mask */ pixmapBits = XCreatePixmap( display, root_window, ptr->nWidth, ptr->nHeight, 1 ); pixmapMask = XCreatePixmap( display, root_window, ptr->nWidth, ptr->nHeight, 1 ); pixmapMaskInv = XCreatePixmap( display, root_window, ptr->nWidth, ptr->nHeight, 1 ); /* Make sure everything went OK so far */ if (pixmapBits && pixmapMask && pixmapMaskInv) { POINT hotspot; /* We have to do some magic here, as cursors are not fully * compatible between Windows and X11. Under X11, there * are only 3 possible color cursor: black, white and * masked. So we map the 4th Windows color (invert the * bits on the screen) to black and an additional white bit on * an other place (+1,+1). This require some boolean arithmetic: * * Windows | X11 * And Xor Result | Bits Mask Result * 0 0 black | 0 1 background * 0 1 white | 1 1 foreground * 1 0 no change | X 0 no change * 1 1 inverted | 0 1 background * * which gives: * Bits = not 'And' and 'Xor' or 'And2' and 'Xor2' * Mask = not 'And' or 'Xor' or 'And2' and 'Xor2' * * FIXME: apparently some servers do support 'inverted' color. * I don't know if it's correct per the X spec, but maybe * we ought to take advantage of it. -- AJ */ XSetFunction( display, gc, GXcopy ); XCopyArea( display, pixmapAll, pixmapBits, gc, 0, 0, ptr->nWidth, ptr->nHeight, 0, 0 ); XCopyArea( display, pixmapAll, pixmapMask, gc, 0, 0, ptr->nWidth, ptr->nHeight, 0, 0 ); XCopyArea( display, pixmapAll, pixmapMaskInv, gc, 0, 0, ptr->nWidth, ptr->nHeight, 0, 0 ); XSetFunction( display, gc, GXand ); XCopyArea( display, pixmapAll, pixmapMaskInv, gc, 0, ptr->nHeight, ptr->nWidth, ptr->nHeight, 0, 0 ); XSetFunction( display, gc, GXandReverse ); XCopyArea( display, pixmapAll, pixmapBits, gc, 0, ptr->nHeight, ptr->nWidth, ptr->nHeight, 0, 0 ); XSetFunction( display, gc, GXorReverse ); XCopyArea( display, pixmapAll, pixmapMask, gc, 0, ptr->nHeight, ptr->nWidth, ptr->nHeight, 0, 0 ); /* Additional white */ XSetFunction( display, gc, GXor ); XCopyArea( display, pixmapMaskInv, pixmapMask, gc, 0, 0, ptr->nWidth, ptr->nHeight, 1, 1 ); XCopyArea( display, pixmapMaskInv, pixmapBits, gc, 0, 0, ptr->nWidth, ptr->nHeight, 1, 1 ); XSetFunction( display, gc, GXcopy ); /* Make sure hotspot is valid */ hotspot.x = ptr->ptHotSpot.x; hotspot.y = ptr->ptHotSpot.y; if (hotspot.x < 0 || hotspot.x >= ptr->nWidth || hotspot.y < 0 || hotspot.y >= ptr->nHeight) { hotspot.x = ptr->nWidth / 2; hotspot.y = ptr->nHeight / 2; } cursor = XCreatePixmapCursor( display, pixmapBits, pixmapMask, &fg, &bg, hotspot.x, hotspot.y ); } /* Now free everything */ if (pixmapAll) XFreePixmap( display, pixmapAll ); if (pixmapBits) XFreePixmap( display, pixmapBits ); if (pixmapMask) XFreePixmap( display, pixmapMask ); if (pixmapMaskInv) XFreePixmap( display, pixmapMaskInv ); XFreeGC( display, gc ); } return cursor; } /*********************************************************************** * SetCursor (X11DRV.@) */ void X11DRV_SetCursor( CURSORICONINFO *lpCursor ) { Cursor cursor; if (root_window != DefaultRootWindow(gdi_display)) { /* If in desktop mode, set the cursor on the desktop window */ wine_tsx11_lock(); cursor = create_cursor( gdi_display, lpCursor ); if (cursor) { XDefineCursor( gdi_display, root_window, cursor ); /* Make the change take effect immediately */ XFlush(gdi_display); XFreeCursor( gdi_display, cursor ); } wine_tsx11_unlock(); } else /* set the same cursor for all top-level windows of the current thread */ { struct x11drv_thread_data *data = x11drv_thread_data(); wine_tsx11_lock(); cursor = create_cursor( data->display, lpCursor ); if (cursor) { if (data->cursor) XFreeCursor( data->display, data->cursor ); data->cursor = cursor; if (data->cursor_window) { XDefineCursor( data->display, data->cursor_window, cursor ); /* Make the change take effect immediately */ XFlush( data->display ); } } wine_tsx11_unlock(); } } /*********************************************************************** * SetCursorPos (X11DRV.@) */ void X11DRV_SetCursorPos( INT x, INT y ) { Display *display = thread_display(); TRACE( "warping to (%d,%d)\n", x, y ); wine_tsx11_lock(); XWarpPointer( display, root_window, root_window, 0, 0, 0, 0, x, y ); XFlush( display ); /* just in case */ wine_tsx11_unlock(); } /*********************************************************************** * GetCursorPos (X11DRV.@) */ void X11DRV_GetCursorPos(LPPOINT pos) { Display *display = thread_display(); Window root, child; int rootX, rootY, winX, winY; unsigned int xstate; wine_tsx11_lock(); if (XQueryPointer( display, root_window, &root, &child, &rootX, &rootY, &winX, &winY, &xstate )) { update_key_state( xstate ); update_button_state( xstate ); TRACE("pointer at (%d,%d)\n", winX, winY ); pos->x = winX; pos->y = winY; } wine_tsx11_unlock(); } /*********************************************************************** * InitMouse (X11DRV.@) */ void X11DRV_InitMouse( BYTE *key_state_table ) { pKeyStateTable = key_state_table; } /*********************************************************************** * X11DRV_ButtonPress */ void X11DRV_ButtonPress( HWND hwnd, XButtonEvent *event ) { int buttonNum = event->button - 1; WORD wData = 0; POINT pt; if (buttonNum >= NB_BUTTONS) return; if (!hwnd) return; update_cursor( hwnd, event->window ); get_coords( &hwnd, event->window, event->x, event->y, &pt ); switch (buttonNum) { case 3: wData = WHEEL_DELTA; break; case 4: wData = -WHEEL_DELTA; break; } update_key_state( event->state ); send_mouse_event( hwnd, button_down_flags[buttonNum] | MOUSEEVENTF_ABSOLUTE, pt.x, pt.y, wData, event->time ); } /*********************************************************************** * X11DRV_ButtonRelease */ void X11DRV_ButtonRelease( HWND hwnd, XButtonEvent *event ) { int buttonNum = event->button - 1; POINT pt; if (buttonNum >= NB_BUTTONS || !button_up_flags[buttonNum]) return; if (!hwnd) return; update_cursor( hwnd, event->window ); get_coords( &hwnd, event->window, event->x, event->y, &pt ); update_key_state( event->state ); send_mouse_event( hwnd, button_up_flags[buttonNum] | MOUSEEVENTF_ABSOLUTE, pt.x, pt.y, 0, event->time ); } /*********************************************************************** * X11DRV_MotionNotify */ void X11DRV_MotionNotify( HWND hwnd, XMotionEvent *event ) { POINT pt; if (!hwnd) return; update_cursor( hwnd, event->window ); get_coords( &hwnd, event->window, event->x, event->y, &pt ); update_key_state( event->state ); send_mouse_event( hwnd, MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE, pt.x, pt.y, 0, event->time ); } /*********************************************************************** * X11DRV_EnterNotify */ void X11DRV_EnterNotify( HWND hwnd, XCrossingEvent *event ) { POINT pt; if (event->detail == NotifyVirtual || event->detail == NotifyNonlinearVirtual) return; if (!hwnd) return; /* simulate a mouse motion event */ update_cursor( hwnd, event->window ); get_coords( &hwnd, event->window, event->x, event->y, &pt ); update_key_state( event->state ); send_mouse_event( hwnd, MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE, pt.x, pt.y, 0, event->time ); } #ifdef HAVE_LIBXXF86DGA2 /********************************************************************** * X11DRV_DGAMotionEvent */ void X11DRV_DGAMotionEvent( HWND hwnd, XDGAMotionEvent *event ) { update_key_state( event->state ); send_mouse_event( hwnd, MOUSEEVENTF_MOVE, event->dx, event->dy, 0, event->time ); } /********************************************************************** * X11DRV_DGAButtonPressEvent */ void X11DRV_DGAButtonPressEvent( HWND hwnd, XDGAButtonEvent *event ) { int buttonNum = event->button - 1; if (buttonNum >= NB_BUTTONS) return; update_key_state( event->state ); send_mouse_event( hwnd, button_down_flags[buttonNum], 0, 0, 0, event->time ); } /********************************************************************** * X11DRV_DGAButtonReleaseEvent */ void X11DRV_DGAButtonReleaseEvent( HWND hwnd, XDGAButtonEvent *event ) { int buttonNum = event->button - 1; if (buttonNum >= NB_BUTTONS) return; update_key_state( event->state ); send_mouse_event( hwnd, button_up_flags[buttonNum], 0, 0, 0, event->time ); } #endif /* HAVE_LIBXXF86DGA2 */