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/*
* X11 mouse driver
*
* Copyright 1998 Ulrich Weigand
* Copyright 2007 Henri Verbeet
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <X11/Xlib.h>
#include <X11/cursorfont.h>
#include <stdarg.h>
#ifdef SONAME_LIBXCURSOR
# include <X11/Xcursor/Xcursor.h>
static void *xcursor_handle;
# define MAKE_FUNCPTR(f) static typeof(f) * p##f
MAKE_FUNCPTR(XcursorImageCreate);
MAKE_FUNCPTR(XcursorImageDestroy);
MAKE_FUNCPTR(XcursorImageLoadCursor);
MAKE_FUNCPTR(XcursorImagesCreate);
MAKE_FUNCPTR(XcursorImagesDestroy);
MAKE_FUNCPTR(XcursorImagesLoadCursor);
MAKE_FUNCPTR(XcursorLibraryLoadCursor);
# undef MAKE_FUNCPTR
#endif /* SONAME_LIBXCURSOR */
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#define OEMRESOURCE
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "x11drv.h"
#include "wine/server.h"
#include "wine/library.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(cursor);
/**********************************************************************/
#ifndef Button6Mask
#define Button6Mask (1<<13)
#endif
#ifndef Button7Mask
#define Button7Mask (1<<14)
#endif
#define NB_BUTTONS 9 /* Windows can handle 5 buttons and the wheel too */
static const UINT button_down_flags[NB_BUTTONS] =
{
MOUSEEVENTF_LEFTDOWN,
MOUSEEVENTF_MIDDLEDOWN,
MOUSEEVENTF_RIGHTDOWN,
MOUSEEVENTF_WHEEL,
MOUSEEVENTF_WHEEL,
MOUSEEVENTF_XDOWN, /* FIXME: horizontal wheel */
MOUSEEVENTF_XDOWN,
MOUSEEVENTF_XDOWN,
MOUSEEVENTF_XDOWN
};
static const UINT button_up_flags[NB_BUTTONS] =
{
MOUSEEVENTF_LEFTUP,
MOUSEEVENTF_MIDDLEUP,
MOUSEEVENTF_RIGHTUP,
0,
0,
MOUSEEVENTF_XUP,
MOUSEEVENTF_XUP,
MOUSEEVENTF_XUP,
MOUSEEVENTF_XUP
};
static HWND cursor_window;
static DWORD last_time_modified;
static XContext cursor_context;
static Cursor create_cursor( HANDLE handle );
/***********************************************************************
* X11DRV_Xcursor_Init
*
* Load the Xcursor library for use.
*/
void X11DRV_Xcursor_Init(void)
{
#ifdef SONAME_LIBXCURSOR
xcursor_handle = wine_dlopen(SONAME_LIBXCURSOR, RTLD_NOW, NULL, 0);
if (!xcursor_handle) /* wine_dlopen failed. */
{
WARN("Xcursor failed to load. Using fallback code.\n");
return;
}
#define LOAD_FUNCPTR(f) \
p##f = wine_dlsym(xcursor_handle, #f, NULL, 0)
LOAD_FUNCPTR(XcursorImageCreate);
LOAD_FUNCPTR(XcursorImageDestroy);
LOAD_FUNCPTR(XcursorImageLoadCursor);
LOAD_FUNCPTR(XcursorImagesCreate);
LOAD_FUNCPTR(XcursorImagesDestroy);
LOAD_FUNCPTR(XcursorImagesLoadCursor);
LOAD_FUNCPTR(XcursorLibraryLoadCursor);
#undef LOAD_FUNCPTR
#endif /* SONAME_LIBXCURSOR */
}
/***********************************************************************
* get_empty_cursor
*/
static Cursor get_empty_cursor(void)
{
static Cursor cursor;
static const char data[] = { 0 };
wine_tsx11_lock();
if (!cursor)
{
XColor bg;
Pixmap pixmap;
bg.red = bg.green = bg.blue = 0x0000;
pixmap = XCreateBitmapFromData( gdi_display, root_window, data, 1, 1 );
if (pixmap)
{
cursor = XCreatePixmapCursor( gdi_display, pixmap, pixmap, &bg, &bg, 0, 0 );
XFreePixmap( gdi_display, pixmap );
}
}
wine_tsx11_unlock();
return cursor;
}
/***********************************************************************
* set_window_cursor
*/
void set_window_cursor( struct x11drv_win_data *data, HCURSOR handle )
{
Cursor cursor, prev;
wine_tsx11_lock();
if (!handle) cursor = get_empty_cursor();
else if (!cursor_context || XFindContext( gdi_display, (XID)handle, cursor_context, (char **)&cursor ))
{
/* try to create it */
wine_tsx11_unlock();
if (!(cursor = create_cursor( handle ))) return;
wine_tsx11_lock();
if (!cursor_context) cursor_context = XUniqueContext();
if (!XFindContext( gdi_display, (XID)handle, cursor_context, (char **)&prev ))
{
/* someone else was here first */
XFreeCursor( gdi_display, cursor );
cursor = prev;
}
else
{
XSaveContext( gdi_display, (XID)handle, cursor_context, (char *)cursor );
TRACE( "cursor %p created %lx\n", handle, cursor );
}
}
XDefineCursor( gdi_display, data->whole_window, cursor );
/* make the change take effect immediately */
XFlush( gdi_display );
data->cursor = handle;
wine_tsx11_unlock();
}
/***********************************************************************
* sync_window_cursor
*/
void sync_window_cursor( struct x11drv_win_data *data )
{
HCURSOR cursor;
SERVER_START_REQ( set_cursor )
{
req->flags = 0;
wine_server_call( req );
cursor = reply->prev_count >= 0 ? wine_server_ptr_handle( reply->prev_handle ) : 0;
}
SERVER_END_REQ;
if (data->cursor != cursor) set_window_cursor( data, cursor );
}
/***********************************************************************
* send_mouse_input
*
* Update the various window states on a mouse event.
*/
static void send_mouse_input( HWND hwnd, UINT flags, Window window, int x, int y,
unsigned int state, DWORD mouse_data, Time time )
{
struct x11drv_win_data *data = X11DRV_get_win_data( hwnd );
POINT pt;
INPUT input;
if (!data) return;
if (window == data->whole_window)
{
x += data->whole_rect.left - data->client_rect.left;
y += data->whole_rect.top - data->client_rect.top;
}
if (window == root_window)
{
x += virtual_screen_rect.left;
y += virtual_screen_rect.top;
}
pt.x = x;
pt.y = y;
if (GetWindowLongW( data->hwnd, GWL_EXSTYLE ) & WS_EX_LAYOUTRTL)
pt.x = data->client_rect.right - data->client_rect.left - 1 - pt.x;
MapWindowPoints( hwnd, 0, &pt, 1 );
if (InterlockedExchangePointer( (void **)&cursor_window, hwnd ) != hwnd ||
GetTickCount() - last_time_modified > 100)
{
cursor_window = hwnd;
sync_window_cursor( data );
}
last_time_modified = GetTickCount();
if (hwnd != GetDesktopWindow()) hwnd = GetAncestor( hwnd, GA_ROOT );
/* update the wine server Z-order */
if (window != x11drv_thread_data()->grab_window &&
/* ignore event if a button is pressed, since the mouse is then grabbed too */
!(state & (Button1Mask|Button2Mask|Button3Mask|Button4Mask|Button5Mask|Button6Mask|Button7Mask)))
{
RECT rect;
SetRect( &rect, pt.x, pt.y, pt.x + 1, pt.y + 1 );
MapWindowPoints( 0, hwnd, (POINT *)&rect, 2 );
SERVER_START_REQ( update_window_zorder )
{
req->window = wine_server_user_handle( hwnd );
req->rect.left = rect.left;
req->rect.top = rect.top;
req->rect.right = rect.right;
req->rect.bottom = rect.bottom;
wine_server_call( req );
}
SERVER_END_REQ;
}
input.type = INPUT_MOUSE;
input.u.mi.dx = pt.x;
input.u.mi.dy = pt.y;
input.u.mi.mouseData = mouse_data;
input.u.mi.dwFlags = flags;
input.u.mi.time = EVENT_x11_time_to_win32_time( time );
input.u.mi.dwExtraInfo = 0;
__wine_send_input( hwnd, &input );
}
#ifdef SONAME_LIBXCURSOR
/***********************************************************************
* create_xcursor_frame
*
* Use Xcursor to create a frame of an X cursor from a Windows one.
*/
static XcursorImage *create_xcursor_frame( HDC hdc, const ICONINFOEXW *iinfo, HANDLE icon,
HBITMAP hbmColor, unsigned char *color_bits, int color_size,
HBITMAP hbmMask, unsigned char *mask_bits, int mask_size,
int width, int height, int istep )
{
XcursorImage *image, *ret = NULL;
DWORD delay_jiffies, num_steps;
int x, y, i, has_alpha;
XcursorPixel *ptr;
wine_tsx11_lock();
image = pXcursorImageCreate( width, height );
wine_tsx11_unlock();
if (!image)
{
ERR("X11 failed to produce a cursor frame!\n");
goto cleanup;
}
image->xhot = iinfo->xHotspot;
image->yhot = iinfo->yHotspot;
image->delay = 100; /* fallback delay, 100 ms */
if (GetCursorFrameInfo(icon, 0x0 /* unknown parameter */, istep, &delay_jiffies, &num_steps) != 0)
image->delay = (100 * delay_jiffies) / 6; /* convert jiffies (1/60s) to milliseconds */
else
WARN("Failed to retrieve animated cursor frame-rate for frame %d.\n", istep);
/* draw the cursor frame to a temporary buffer then copy it into the XcursorImage */
memset( color_bits, 0x00, color_size );
SelectObject( hdc, hbmColor );
if (!DrawIconEx( hdc, 0, 0, icon, width, height, istep, NULL, DI_NORMAL ))
{
TRACE("Could not draw frame %d (walk past end of frames).\n", istep);
goto cleanup;
}
memcpy( image->pixels, color_bits, color_size );
/* check if the cursor frame was drawn with an alpha channel */
for (i = 0, ptr = image->pixels; i < width * height; i++, ptr++)
if ((has_alpha = (*ptr & 0xff000000) != 0)) break;
/* if no alpha channel was drawn then generate it from the mask */
if (!has_alpha)
{
unsigned int width_bytes = (width + 31) / 32 * 4;
/* draw the cursor mask to a temporary buffer */
memset( mask_bits, 0xFF, mask_size );
SelectObject( hdc, hbmMask );
if (!DrawIconEx( hdc, 0, 0, icon, width, height, istep, NULL, DI_MASK ))
{
ERR("Failed to draw frame mask %d.\n", istep);
goto cleanup;
}
/* use the buffer to directly modify the XcursorImage alpha channel */
for (y = 0, ptr = image->pixels; y < height; y++)
for (x = 0; x < width; x++, ptr++)
if (!((mask_bits[y * width_bytes + x / 8] << (x % 8)) & 0x80))
*ptr |= 0xff000000;
}
ret = image;
cleanup:
if (ret == NULL) pXcursorImageDestroy( image );
return ret;
}
/***********************************************************************
* create_xcursor_cursor
*
* Use Xcursor to create an X cursor from a Windows one.
*/
static Cursor create_xcursor_cursor( HDC hdc, const ICONINFOEXW *iinfo, HANDLE icon, int width, int height )
{
unsigned char *color_bits, *mask_bits;
HBITMAP hbmColor = 0, hbmMask = 0;
DWORD nFrames, delay_jiffies, i;
int color_size, mask_size;
BITMAPINFO *info = NULL;
XcursorImages *images;
XcursorImage **imgs;
Cursor cursor = 0;
/* Retrieve the number of frames to render */
if (!GetCursorFrameInfo(icon, 0x0 /* unknown parameter */, 0, &delay_jiffies, &nFrames)) return 0;
if (!(imgs = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(XcursorImage*)*nFrames ))) return 0;
/* Allocate all of the resources necessary to obtain a cursor frame */
if (!(info = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO, bmiColors[256] )))) goto cleanup;
info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
info->bmiHeader.biWidth = width;
info->bmiHeader.biHeight = -height;
info->bmiHeader.biPlanes = 1;
info->bmiHeader.biCompression = BI_RGB;
info->bmiHeader.biXPelsPerMeter = 0;
info->bmiHeader.biYPelsPerMeter = 0;
info->bmiHeader.biClrUsed = 0;
info->bmiHeader.biClrImportant = 0;
info->bmiHeader.biBitCount = 32;
color_size = width * height * 4;
info->bmiHeader.biSizeImage = color_size;
hbmColor = CreateDIBSection( hdc, info, DIB_RGB_COLORS, (VOID **) &color_bits, NULL, 0);
if (!hbmColor)
{
ERR("Failed to create DIB section for cursor color data!\n");
goto cleanup;
}
info->bmiHeader.biBitCount = 1;
mask_size = ((width + 31) / 32 * 4) * height; /* width_bytes * height */
info->bmiHeader.biSizeImage = mask_size;
hbmMask = CreateDIBSection( hdc, info, DIB_RGB_COLORS, (VOID **) &mask_bits, NULL, 0);
if (!hbmMask)
{
ERR("Failed to create DIB section for cursor mask data!\n");
goto cleanup;
}
/* Create an XcursorImage for each frame of the cursor */
for (i=0; i<nFrames; i++)
{
imgs[i] = create_xcursor_frame( hdc, iinfo, icon,
hbmColor, color_bits, color_size,
hbmMask, mask_bits, mask_size,
width, height, i );
if (!imgs[i]) goto cleanup;
}
/* Build an X cursor out of all of the frames */
if (!(images = pXcursorImagesCreate( nFrames ))) goto cleanup;
for (images->nimage = 0; images->nimage < nFrames; images->nimage++)
images->images[images->nimage] = imgs[images->nimage];
wine_tsx11_lock();
cursor = pXcursorImagesLoadCursor( gdi_display, images );
wine_tsx11_unlock();
pXcursorImagesDestroy( images ); /* Note: this frees each individual frame (calls XcursorImageDestroy) */
HeapFree( GetProcessHeap(), 0, imgs );
imgs = NULL;
cleanup:
if (imgs)
{
/* Failed to produce a cursor, free previously allocated frames */
for (i=0; i<nFrames && imgs[i]; i++)
pXcursorImageDestroy( imgs[i] );
HeapFree( GetProcessHeap(), 0, imgs );
}
/* Cleanup all of the resources used to obtain the frame data */
if (hbmColor) DeleteObject( hbmColor );
if (hbmMask) DeleteObject( hbmMask );
HeapFree( GetProcessHeap(), 0, info );
return cursor;
}
struct system_cursors
{
WORD id;
const char *name;
};
static const struct system_cursors user32_cursors[] =
{
{ OCR_NORMAL, "left_ptr" },
{ OCR_IBEAM, "xterm" },
{ OCR_WAIT, "watch" },
{ OCR_CROSS, "cross" },
{ OCR_UP, "center_ptr" },
{ OCR_SIZE, "fleur" },
{ OCR_SIZEALL, "fleur" },
{ OCR_ICON, "icon" },
{ OCR_SIZENWSE, "nwse-resize" },
{ OCR_SIZENESW, "nesw-resize" },
{ OCR_SIZEWE, "ew-resize" },
{ OCR_SIZENS, "ns-resize" },
{ OCR_NO, "not-allowed" },
{ OCR_HAND, "hand2" },
{ OCR_APPSTARTING, "left_ptr_watch" },
{ OCR_HELP, "question_arrow" },
{ 0 }
};
static const struct system_cursors comctl32_cursors[] =
{
{ 102, "move" },
{ 104, "copy" },
{ 105, "left_ptr" },
{ 106, "row-resize" },
{ 107, "row-resize" },
{ 108, "hand2" },
{ 135, "col-resize" },
{ 0 }
};
static const struct system_cursors ole32_cursors[] =
{
{ 1, "no-drop" },
{ 2, "move" },
{ 3, "copy" },
{ 4, "alias" },
{ 0 }
};
static const struct system_cursors riched20_cursors[] =
{
{ 105, "hand2" },
{ 107, "right_ptr" },
{ 109, "copy" },
{ 110, "move" },
{ 111, "no-drop" },
{ 0 }
};
static const struct
{
const struct system_cursors *cursors;
WCHAR name[16];
} module_cursors[] =
{
{ user32_cursors, {'u','s','e','r','3','2','.','d','l','l',0} },
{ comctl32_cursors, {'c','o','m','c','t','l','3','2','.','d','l','l',0} },
{ ole32_cursors, {'o','l','e','3','2','.','d','l','l',0} },
{ riched20_cursors, {'r','i','c','h','e','d','2','0','.','d','l','l',0} }
};
/***********************************************************************
* create_xcursor_system_cursor
*
* Create an X cursor for a system cursor.
*/
static Cursor create_xcursor_system_cursor( const ICONINFOEXW *info )
{
static const WCHAR idW[] = {'%','h','u',0};
const struct system_cursors *cursors;
unsigned int i;
Cursor cursor = 0;
HMODULE module;
HKEY key;
WCHAR *p, name[MAX_PATH * 2], valueW[64];
char valueA[64];
DWORD size, ret;
if (!pXcursorLibraryLoadCursor) return 0;
if (!info->szModName[0]) return 0;
p = strrchrW( info->szModName, '\\' );
strcpyW( name, p ? p + 1 : info->szModName );
p = name + strlenW( name );
*p++ = ',';
if (info->szResName[0]) strcpyW( p, info->szResName );
else sprintfW( p, idW, info->wResID );
valueA[0] = 0;
/* @@ Wine registry key: HKCU\Software\Wine\X11 Driver\Cursors */
if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\X11 Driver\\Cursors", &key ))
{
size = sizeof(valueW) / sizeof(WCHAR);
ret = RegQueryValueExW( key, name, NULL, NULL, (BYTE *)valueW, &size );
RegCloseKey( key );
if (!ret)
{
if (!valueW[0]) return 0; /* force standard cursor */
if (!WideCharToMultiByte( CP_UNIXCP, 0, valueW, -1, valueA, sizeof(valueA), NULL, NULL ))
valueA[0] = 0;
goto done;
}
}
if (info->szResName[0]) goto done; /* only integer resources are supported here */
if (!(module = GetModuleHandleW( info->szModName ))) goto done;
for (i = 0; i < sizeof(module_cursors)/sizeof(module_cursors[0]); i++)
if (GetModuleHandleW( module_cursors[i].name ) == module) break;
if (i == sizeof(module_cursors)/sizeof(module_cursors[0])) goto done;
cursors = module_cursors[i].cursors;
for (i = 0; cursors[i].id; i++)
if (cursors[i].id == info->wResID)
{
strcpy( valueA, cursors[i].name );
break;
}
done:
if (valueA[0])
{
wine_tsx11_lock();
cursor = pXcursorLibraryLoadCursor( gdi_display, valueA );
wine_tsx11_unlock();
if (!cursor) WARN( "no system cursor found for %s mapped to %s\n",
debugstr_w(name), debugstr_a(valueA) );
}
else WARN( "no system cursor found for %s\n", debugstr_w(name) );
return cursor;
}
#endif /* SONAME_LIBXCURSOR */
/***********************************************************************
* create_cursor_from_bitmaps
*
* Create an X11 cursor from source bitmaps.
*/
static Cursor create_cursor_from_bitmaps( HBITMAP src_xor, HBITMAP src_and, int width, int height,
int xor_y, int and_y, XColor *fg, XColor *bg,
int hotspot_x, int hotspot_y )
{
HDC src = 0, dst = 0;
HBITMAP bits = 0, mask = 0, mask_inv = 0;
Cursor cursor = 0;
if (!(src = CreateCompatibleDC( 0 ))) goto done;
if (!(dst = CreateCompatibleDC( 0 ))) goto done;
if (!(bits = CreateBitmap( width, height, 1, 1, NULL ))) goto done;
if (!(mask = CreateBitmap( width, height, 1, 1, NULL ))) goto done;
if (!(mask_inv = CreateBitmap( width, height, 1, 1, NULL ))) goto done;
/* 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'
*/
SelectObject( src, src_and );
SelectObject( dst, bits );
BitBlt( dst, 0, 0, width, height, src, 0, and_y, SRCCOPY );
SelectObject( dst, mask );
BitBlt( dst, 0, 0, width, height, src, 0, and_y, SRCCOPY );
SelectObject( dst, mask_inv );
BitBlt( dst, 0, 0, width, height, src, 0, and_y, SRCCOPY );
SelectObject( src, src_xor );
BitBlt( dst, 0, 0, width, height, src, 0, xor_y, SRCAND /* src & dst */ );
SelectObject( dst, bits );
BitBlt( dst, 0, 0, width, height, src, 0, xor_y, SRCERASE /* src & ~dst */ );
SelectObject( dst, mask );
BitBlt( dst, 0, 0, width, height, src, 0, xor_y, 0xdd0228 /* src | ~dst */ );
/* additional white */
SelectObject( src, mask_inv );
BitBlt( dst, 1, 1, width, height, src, 0, 0, SRCPAINT /* src | dst */);
SelectObject( dst, bits );
BitBlt( dst, 1, 1, width, height, src, 0, 0, SRCPAINT /* src | dst */ );
wine_tsx11_lock();
cursor = XCreatePixmapCursor( gdi_display, X11DRV_get_pixmap(bits), X11DRV_get_pixmap(mask),
fg, bg, hotspot_x, hotspot_y );
wine_tsx11_unlock();
done:
DeleteDC( src );
DeleteDC( dst );
DeleteObject( bits );
DeleteObject( mask );
DeleteObject( mask_inv );
return cursor;
}
/***********************************************************************
* create_xlib_cursor
*
* Create an X cursor from a Windows one.
*/
static Cursor create_xlib_cursor( HDC hdc, const ICONINFOEXW *icon, int width, int height )
{
XColor fg, bg;
Cursor cursor = None;
HBITMAP xor_bitmap = 0;
BITMAPINFO *info;
unsigned int *color_bits = NULL, *ptr;
unsigned char *mask_bits = NULL, *xor_bits = NULL;
int i, x, y, has_alpha = 0;
int rfg, gfg, bfg, rbg, gbg, bbg, fgBits, bgBits;
unsigned int width_bytes = (width + 31) / 32 * 4;
if (!(info = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO, bmiColors[256] ))))
return FALSE;
info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
info->bmiHeader.biWidth = width;
info->bmiHeader.biHeight = -height;
info->bmiHeader.biPlanes = 1;
info->bmiHeader.biBitCount = 1;
info->bmiHeader.biCompression = BI_RGB;
info->bmiHeader.biSizeImage = width_bytes * height;
info->bmiHeader.biXPelsPerMeter = 0;
info->bmiHeader.biYPelsPerMeter = 0;
info->bmiHeader.biClrUsed = 0;
info->bmiHeader.biClrImportant = 0;
if (!(mask_bits = HeapAlloc( GetProcessHeap(), 0, info->bmiHeader.biSizeImage ))) goto done;
if (!GetDIBits( hdc, icon->hbmMask, 0, height, mask_bits, info, DIB_RGB_COLORS )) goto done;
info->bmiHeader.biBitCount = 32;
info->bmiHeader.biSizeImage = width * height * 4;
if (!(color_bits = HeapAlloc( GetProcessHeap(), 0, info->bmiHeader.biSizeImage ))) goto done;
if (!(xor_bits = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, width_bytes * height ))) goto done;
GetDIBits( hdc, icon->hbmColor, 0, height, color_bits, info, DIB_RGB_COLORS );
/* compute fg/bg color and xor bitmap based on average of the color values */
if (!(xor_bitmap = CreateBitmap( width, height, 1, 1, NULL ))) goto done;
rfg = gfg = bfg = rbg = gbg = bbg = fgBits = 0;
for (y = 0, ptr = color_bits; y < height; y++)
{
for (x = 0; x < width; x++, ptr++)
{
int red = (*ptr >> 16) & 0xff;
int green = (*ptr >> 8) & 0xff;
int blue = (*ptr >> 0) & 0xff;
if (red + green + blue > 0x40)
{
rfg += red;
gfg += green;
bfg += blue;
fgBits++;
xor_bits[y * width_bytes + x / 8] |= 0x80 >> (x % 8);
}
else
{
rbg += red;
gbg += green;
bbg += blue;
}
}
}
if (fgBits)
{
fg.red = rfg * 257 / fgBits;
fg.green = gfg * 257 / fgBits;
fg.blue = bfg * 257 / fgBits;
}
else fg.red = fg.green = fg.blue = 0;
bgBits = width * height - fgBits;
if (bgBits)
{
bg.red = rbg * 257 / bgBits;
bg.green = gbg * 257 / bgBits;
bg.blue = bbg * 257 / bgBits;
}
else bg.red = bg.green = bg.blue = 0;
info->bmiHeader.biBitCount = 1;
info->bmiHeader.biSizeImage = width_bytes * height;
SetDIBits( hdc, xor_bitmap, 0, height, xor_bits, info, DIB_RGB_COLORS );
/* generate mask from the alpha channel if we have one */
for (i = 0, ptr = color_bits; i < width * height; i++, ptr++)
if ((has_alpha = (*ptr & 0xff000000) != 0)) break;
if (has_alpha)
{
memset( mask_bits, 0, width_bytes * height );
for (y = 0, ptr = color_bits; y < height; y++)
for (x = 0; x < width; x++, ptr++)
if ((*ptr >> 24) > 25) /* more than 10% alpha */
mask_bits[y * width_bytes + x / 8] |= 0x80 >> (x % 8);
info->bmiHeader.biBitCount = 1;
info->bmiHeader.biSizeImage = width_bytes * height;
SetDIBits( hdc, icon->hbmMask, 0, height, mask_bits, info, DIB_RGB_COLORS );
wine_tsx11_lock();
cursor = XCreatePixmapCursor( gdi_display,
X11DRV_get_pixmap(xor_bitmap),
X11DRV_get_pixmap(icon->hbmMask),
&fg, &bg, icon->xHotspot, icon->yHotspot );
wine_tsx11_unlock();
}
else
{
cursor = create_cursor_from_bitmaps( xor_bitmap, icon->hbmMask, width, height, 0, 0,
&fg, &bg, icon->xHotspot, icon->yHotspot );
}
done:
DeleteObject( xor_bitmap );
HeapFree( GetProcessHeap(), 0, info );
HeapFree( GetProcessHeap(), 0, color_bits );
HeapFree( GetProcessHeap(), 0, xor_bits );
HeapFree( GetProcessHeap(), 0, mask_bits );
return cursor;
}
/***********************************************************************
* create_cursor
*
* Create an X cursor from a Windows one.
*/
static Cursor create_cursor( HANDLE handle )
{
Cursor cursor = 0;
ICONINFOEXW info;
BITMAP bm;
if (!handle) return get_empty_cursor();
info.cbSize = sizeof(info);
if (!GetIconInfoExW( handle, &info )) return 0;
#ifdef SONAME_LIBXCURSOR
if (use_system_cursors && (cursor = create_xcursor_system_cursor( &info )))
{
DeleteObject( info.hbmColor );
DeleteObject( info.hbmMask );
return cursor;
}
#endif
GetObjectW( info.hbmMask, sizeof(bm), &bm );
if (!info.hbmColor) bm.bmHeight /= 2;
/* make sure hotspot is valid */
if (info.xHotspot >= bm.bmWidth || info.yHotspot >= bm.bmHeight)
{
info.xHotspot = bm.bmWidth / 2;
info.yHotspot = bm.bmHeight / 2;
}
if (info.hbmColor)
{
HDC hdc = CreateCompatibleDC( 0 );
if (hdc)
{
#ifdef SONAME_LIBXCURSOR
if (pXcursorImagesLoadCursor)
cursor = create_xcursor_cursor( hdc, &info, handle, bm.bmWidth, bm.bmHeight );
#endif
if (!cursor) cursor = create_xlib_cursor( hdc, &info, bm.bmWidth, bm.bmHeight );
}
DeleteObject( info.hbmColor );
DeleteDC( hdc );
}
else
{
XColor fg, bg;
fg.red = fg.green = fg.blue = 0xffff;
bg.red = bg.green = bg.blue = 0;
cursor = create_cursor_from_bitmaps( info.hbmMask, info.hbmMask, bm.bmWidth, bm.bmHeight,
bm.bmHeight, 0, &fg, &bg, info.xHotspot, info.yHotspot );
}
DeleteObject( info.hbmMask );
return cursor;
}
/***********************************************************************
* DestroyCursorIcon (X11DRV.@)
*/
void CDECL X11DRV_DestroyCursorIcon( HCURSOR handle )
{
Cursor cursor;
wine_tsx11_lock();
if (cursor_context && !XFindContext( gdi_display, (XID)handle, cursor_context, (char **)&cursor ))
{
TRACE( "%p xid %lx\n", handle, cursor );
XFreeCursor( gdi_display, cursor );
XDeleteContext( gdi_display, (XID)handle, cursor_context );
}
wine_tsx11_unlock();
}
/***********************************************************************
* SetCursor (X11DRV.@)
*/
void CDECL X11DRV_SetCursor( HCURSOR handle )
{
if (cursor_window) SendNotifyMessageW( cursor_window, WM_X11DRV_SET_CURSOR, 0, (LPARAM)handle );
}
/***********************************************************************
* SetCursorPos (X11DRV.@)
*/
BOOL CDECL X11DRV_SetCursorPos( INT x, INT y )
{
Display *display = thread_init_display();
TRACE( "warping to (%d,%d)\n", x, y );
wine_tsx11_lock();
XWarpPointer( display, root_window, root_window, 0, 0, 0, 0,
x - virtual_screen_rect.left, y - virtual_screen_rect.top );
XFlush( display ); /* avoids bad mouse lag in games that do their own mouse warping */
wine_tsx11_unlock();
return TRUE;
}
/***********************************************************************
* GetCursorPos (X11DRV.@)
*/
BOOL CDECL X11DRV_GetCursorPos(LPPOINT pos)
{
Display *display = thread_init_display();
Window root, child;
int rootX, rootY, winX, winY;
unsigned int xstate;
BOOL ret;
wine_tsx11_lock();
ret = XQueryPointer( display, root_window, &root, &child, &rootX, &rootY, &winX, &winY, &xstate );
if (ret)
{
pos->x = winX + virtual_screen_rect.left;
pos->y = winY + virtual_screen_rect.top;
TRACE("pointer at (%d,%d)\n", pos->x, pos->y );
}
wine_tsx11_unlock();
return ret;
}
/***********************************************************************
* X11DRV_ButtonPress
*/
void X11DRV_ButtonPress( HWND hwnd, XEvent *xev )
{
XButtonEvent *event = &xev->xbutton;
int buttonNum = event->button - 1;
WORD wData = 0;
if (buttonNum >= NB_BUTTONS) return;
switch (buttonNum)
{
case 3:
wData = WHEEL_DELTA;
break;
case 4:
wData = -WHEEL_DELTA;
break;
case 5:
wData = XBUTTON1;
break;
case 6:
wData = XBUTTON2;
break;
case 7:
wData = XBUTTON1;
break;
case 8:
wData = XBUTTON2;
break;
}
update_user_time( event->time );
send_mouse_input( hwnd, button_down_flags[buttonNum] | MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE,
event->window, event->x, event->y, event->state, wData, event->time );
}
/***********************************************************************
* X11DRV_ButtonRelease
*/
void X11DRV_ButtonRelease( HWND hwnd, XEvent *xev )
{
XButtonEvent *event = &xev->xbutton;
int buttonNum = event->button - 1;
WORD wData = 0;
if (buttonNum >= NB_BUTTONS || !button_up_flags[buttonNum]) return;
switch (buttonNum)
{
case 5:
wData = XBUTTON1;
break;
case 6:
wData = XBUTTON2;
break;
case 7:
wData = XBUTTON1;
break;
case 8:
wData = XBUTTON2;
break;
}
send_mouse_input( hwnd, button_up_flags[buttonNum] | MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE,
event->window, event->x, event->y, event->state, wData, event->time );
}
/***********************************************************************
* X11DRV_MotionNotify
*/
void X11DRV_MotionNotify( HWND hwnd, XEvent *xev )
{
XMotionEvent *event = &xev->xmotion;
TRACE("hwnd %p, event->is_hint %d\n", hwnd, event->is_hint);
send_mouse_input( hwnd, MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE,
event->window, event->x, event->y, event->state, 0, event->time );
}
/***********************************************************************
* X11DRV_EnterNotify
*/
void X11DRV_EnterNotify( HWND hwnd, XEvent *xev )
{
XCrossingEvent *event = &xev->xcrossing;
TRACE("hwnd %p, event->detail %d\n", hwnd, event->detail);
if (event->detail == NotifyVirtual || event->detail == NotifyNonlinearVirtual) return;
if (event->window == x11drv_thread_data()->grab_window) return;
/* simulate a mouse motion event */
send_mouse_input( hwnd, MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE,
event->window, event->x, event->y, event->state, 0, event->time );
}
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