Sweden-Number/dlls/winex11.drv/mouse.c

1007 lines
31 KiB
C

/*
* 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 <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);
# undef MAKE_FUNCPTR
#endif /* SONAME_LIBXCURSOR */
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "windef.h"
#include "winbase.h"
#include "x11drv.h"
#include "wine/server.h"
#include "wine/library.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
};
POINT cursor_pos;
static HWND cursor_window;
static DWORD last_time_modified;
static RECT cursor_clip; /* Cursor clipping rect */
static XContext cursor_context;
static Cursor create_cursor( HANDLE handle );
BOOL CDECL X11DRV_SetCursorPos( INT x, INT y );
/***********************************************************************
* 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);
#undef LOAD_FUNCPTR
#endif /* SONAME_LIBXCURSOR */
}
/***********************************************************************
* get_coords
*
* get the coordinates of a mouse event
*/
static inline void get_coords( HWND hwnd, Window window, int x, int y, POINT *pt )
{
struct x11drv_win_data *data = X11DRV_get_win_data( hwnd );
if (!data) return;
if (window == data->client_window)
{
pt->x = x + data->client_rect.left;
pt->y = y + data->client_rect.top;
}
else
{
pt->x = x + data->whole_rect.left;
pt->y = y + data->whole_rect.top;
}
}
/***********************************************************************
* clip_point_to_rect
*
* Clip point to the provided rectangle
*/
static inline void clip_point_to_rect( LPCRECT rect, LPPOINT pt )
{
if (pt->x < rect->left) pt->x = rect->left;
else if (pt->x >= rect->right) pt->x = rect->right - 1;
if (pt->y < rect->top) pt->y = rect->top;
else if (pt->y >= rect->bottom) pt->y = rect->bottom - 1;
}
/***********************************************************************
* update_button_state
*
* Update the button state with what X provides us
*/
static inline void update_button_state( unsigned int state )
{
key_state_table[VK_LBUTTON] = (state & Button1Mask ? 0x80 : 0);
key_state_table[VK_MBUTTON] = (state & Button2Mask ? 0x80 : 0);
key_state_table[VK_RBUTTON] = (state & Button3Mask ? 0x80 : 0);
/* X-buttons are not reported from XQueryPointer */
}
/***********************************************************************
* 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( HWND hwnd, HCURSOR handle )
{
struct x11drv_win_data *data;
Cursor cursor, prev;
if (!(data = X11DRV_get_win_data( hwnd ))) return;
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();
}
/***********************************************************************
* update_mouse_state
*
* Update the various window states on a mouse event.
*/
static void update_mouse_state( HWND hwnd, Window window, int x, int y, unsigned int state, POINT *pt )
{
struct x11drv_thread_data *data = x11drv_thread_data();
get_coords( hwnd, window, x, y, pt );
cursor_window = hwnd;
/* update the wine server Z-order */
if (window != 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)))
{
SERVER_START_REQ( update_window_zorder )
{
req->window = wine_server_user_handle( hwnd );
req->rect.left = pt->x;
req->rect.top = pt->y;
req->rect.right = pt->x + 1;
req->rect.bottom = pt->y + 1;
wine_server_call( req );
}
SERVER_END_REQ;
}
}
/***********************************************************************
* get_key_state
*/
static WORD get_key_state(void)
{
WORD ret = 0;
if (GetSystemMetrics( SM_SWAPBUTTON ))
{
if (key_state_table[VK_RBUTTON] & 0x80) ret |= MK_LBUTTON;
if (key_state_table[VK_LBUTTON] & 0x80) ret |= MK_RBUTTON;
}
else
{
if (key_state_table[VK_LBUTTON] & 0x80) ret |= MK_LBUTTON;
if (key_state_table[VK_RBUTTON] & 0x80) ret |= MK_RBUTTON;
}
if (key_state_table[VK_MBUTTON] & 0x80) ret |= MK_MBUTTON;
if (key_state_table[VK_SHIFT] & 0x80) ret |= MK_SHIFT;
if (key_state_table[VK_CONTROL] & 0x80) ret |= MK_CONTROL;
if (key_state_table[VK_XBUTTON1] & 0x80) ret |= MK_XBUTTON1;
if (key_state_table[VK_XBUTTON2] & 0x80) ret |= MK_XBUTTON2;
return ret;
}
/***********************************************************************
* queue_raw_mouse_message
*/
static void queue_raw_mouse_message( UINT message, HWND hwnd, DWORD x, DWORD y,
DWORD data, DWORD time, DWORD extra_info, UINT injected_flags )
{
MSLLHOOKSTRUCT hook;
HCURSOR cursor;
hook.pt.x = x;
hook.pt.y = y;
hook.mouseData = MAKELONG( 0, data );
hook.flags = injected_flags;
hook.time = time;
hook.dwExtraInfo = extra_info;
last_time_modified = GetTickCount();
if (HOOK_CallHooks( WH_MOUSE_LL, HC_ACTION, message, (LPARAM)&hook, TRUE ))
message = 0; /* ignore it */
SERVER_START_REQ( send_hardware_message )
{
req->id = (injected_flags & LLMHF_INJECTED) ? 0 : GetCurrentThreadId();
req->win = wine_server_user_handle( hwnd );
req->msg = message;
req->wparam = MAKEWPARAM( get_key_state(), data );
req->lparam = 0;
req->x = x;
req->y = y;
req->time = time;
req->info = extra_info;
wine_server_call( req );
cursor = (reply->count >= 0) ? wine_server_ptr_handle(reply->cursor) : 0;
}
SERVER_END_REQ;
if (hwnd)
{
struct x11drv_win_data *data = X11DRV_get_win_data( hwnd );
if (data && cursor != data->cursor) set_window_cursor( hwnd, cursor );
}
}
/***********************************************************************
* X11DRV_send_mouse_input
*/
void X11DRV_send_mouse_input( HWND hwnd, DWORD flags, DWORD x, DWORD y,
DWORD data, DWORD time, DWORD extra_info, UINT injected_flags )
{
POINT pt;
if (flags & MOUSEEVENTF_MOVE && flags & MOUSEEVENTF_ABSOLUTE)
{
if (injected_flags & LLMHF_INJECTED)
{
pt.x = (x * screen_width) >> 16;
pt.y = (y * screen_height) >> 16;
}
else
{
pt.x = x;
pt.y = y;
wine_tsx11_lock();
if (cursor_pos.x == x && cursor_pos.y == y &&
(flags & ~(MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE)))
flags &= ~MOUSEEVENTF_MOVE;
wine_tsx11_unlock();
}
}
else if (flags & MOUSEEVENTF_MOVE)
{
int accel[3], xMult = 1, yMult = 1;
/* dx and dy can be negative numbers for relative movements */
SystemParametersInfoW(SPI_GETMOUSE, 0, accel, 0);
if (abs(x) > accel[0] && accel[2] != 0)
{
xMult = 2;
if ((abs(x) > accel[1]) && (accel[2] == 2)) xMult = 4;
}
if (abs(y) > accel[0] && accel[2] != 0)
{
yMult = 2;
if ((abs(y) > accel[1]) && (accel[2] == 2)) yMult = 4;
}
wine_tsx11_lock();
pt.x = cursor_pos.x + (long)x * xMult;
pt.y = cursor_pos.y + (long)y * yMult;
wine_tsx11_unlock();
}
else
{
wine_tsx11_lock();
pt = cursor_pos;
wine_tsx11_unlock();
}
if (flags & MOUSEEVENTF_MOVE)
{
queue_raw_mouse_message( WM_MOUSEMOVE, hwnd, pt.x, pt.y, data, time,
extra_info, injected_flags );
if ((injected_flags & LLMHF_INJECTED) &&
((flags & MOUSEEVENTF_ABSOLUTE) || x || y)) /* we have to actually move the cursor */
{
X11DRV_SetCursorPos( pt.x, pt.y );
}
else
{
wine_tsx11_lock();
clip_point_to_rect( &cursor_clip, &pt);
cursor_pos = pt;
wine_tsx11_unlock();
}
}
if (flags & MOUSEEVENTF_LEFTDOWN)
{
key_state_table[VK_LBUTTON] |= 0xc0;
queue_raw_mouse_message( GetSystemMetrics(SM_SWAPBUTTON) ? WM_RBUTTONDOWN : WM_LBUTTONDOWN,
hwnd, pt.x, pt.y, data, time, extra_info, injected_flags );
}
if (flags & MOUSEEVENTF_LEFTUP)
{
key_state_table[VK_LBUTTON] &= ~0x80;
queue_raw_mouse_message( GetSystemMetrics(SM_SWAPBUTTON) ? WM_RBUTTONUP : WM_LBUTTONUP,
hwnd, pt.x, pt.y, data, time, extra_info, injected_flags );
}
if (flags & MOUSEEVENTF_RIGHTDOWN)
{
key_state_table[VK_RBUTTON] |= 0xc0;
queue_raw_mouse_message( GetSystemMetrics(SM_SWAPBUTTON) ? WM_LBUTTONDOWN : WM_RBUTTONDOWN,
hwnd, pt.x, pt.y, data, time, extra_info, injected_flags );
}
if (flags & MOUSEEVENTF_RIGHTUP)
{
key_state_table[VK_RBUTTON] &= ~0x80;
queue_raw_mouse_message( GetSystemMetrics(SM_SWAPBUTTON) ? WM_LBUTTONUP : WM_RBUTTONUP,
hwnd, pt.x, pt.y, data, time, extra_info, injected_flags );
}
if (flags & MOUSEEVENTF_MIDDLEDOWN)
{
key_state_table[VK_MBUTTON] |= 0xc0;
queue_raw_mouse_message( WM_MBUTTONDOWN, hwnd, pt.x, pt.y, data, time,
extra_info, injected_flags );
}
if (flags & MOUSEEVENTF_MIDDLEUP)
{
key_state_table[VK_MBUTTON] &= ~0x80;
queue_raw_mouse_message( WM_MBUTTONUP, hwnd, pt.x, pt.y, data, time,
extra_info, injected_flags );
}
if (flags & MOUSEEVENTF_WHEEL)
{
queue_raw_mouse_message( WM_MOUSEWHEEL, hwnd, pt.x, pt.y, data, time,
extra_info, injected_flags );
}
if (flags & MOUSEEVENTF_XDOWN)
{
key_state_table[VK_XBUTTON1 + data - 1] |= 0xc0;
queue_raw_mouse_message( WM_XBUTTONDOWN, hwnd, pt.x, pt.y, data, time,
extra_info, injected_flags );
}
if (flags & MOUSEEVENTF_XUP)
{
key_state_table[VK_XBUTTON1 + data - 1] &= ~0x80;
queue_raw_mouse_message( WM_XBUTTONUP, hwnd, pt.x, pt.y, data, time,
extra_info, injected_flags );
}
}
#ifdef SONAME_LIBXCURSOR
/***********************************************************************
* create_xcursor_cursor
*
* Use Xcursor to create an X cursor from a Windows one.
*/
static Cursor create_xcursor_cursor( HDC hdc, ICONINFO *icon, int width, int height )
{
int x, y, i, has_alpha;
BITMAPINFO *info;
Cursor cursor;
XcursorImage *image;
XcursorPixel *ptr;
if (!(info = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO, bmiColors[256] )))) return 0;
wine_tsx11_lock();
image = pXcursorImageCreate( width, height );
wine_tsx11_unlock();
if (!image)
{
HeapFree( GetProcessHeap(), 0, info );
return 0;
}
image->xhot = icon->xHotspot;
image->yhot = icon->yHotspot;
image->delay = 0;
info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
info->bmiHeader.biWidth = width;
info->bmiHeader.biHeight = -height;
info->bmiHeader.biPlanes = 1;
info->bmiHeader.biBitCount = 32;
info->bmiHeader.biCompression = BI_RGB;
info->bmiHeader.biSizeImage = width * height * 4;
info->bmiHeader.biXPelsPerMeter = 0;
info->bmiHeader.biYPelsPerMeter = 0;
info->bmiHeader.biClrUsed = 0;
info->bmiHeader.biClrImportant = 0;
GetDIBits( hdc, icon->hbmColor, 0, height, image->pixels, info, DIB_RGB_COLORS );
for (i = 0, ptr = image->pixels; i < width * height; i++, ptr++)
if ((has_alpha = (*ptr & 0xff000000) != 0)) break;
if (!has_alpha)
{
unsigned char *mask_bits;
unsigned int width_bytes = (width + 31) / 32 * 4;
/* generate alpha channel from the mask */
info->bmiHeader.biBitCount = 1;
info->bmiHeader.biSizeImage = width_bytes * height;
if ((mask_bits = HeapAlloc( GetProcessHeap(), 0, info->bmiHeader.biSizeImage )))
{
GetDIBits( hdc, icon->hbmMask, 0, height, mask_bits, info, DIB_RGB_COLORS );
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;
HeapFree( GetProcessHeap(), 0, mask_bits );
}
}
HeapFree( GetProcessHeap(), 0, info );
wine_tsx11_lock();
cursor = pXcursorImageLoadCursor( gdi_display, image );
pXcursorImageDestroy( image );
wine_tsx11_unlock();
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, ICONINFO *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;
HDC hdc;
ICONINFO info;
BITMAP bm;
if (!handle) return get_empty_cursor();
if (!(hdc = CreateCompatibleDC( 0 ))) return 0;
if (!GetIconInfo( handle, &info ))
{
DeleteDC( hdc );
return 0;
}
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)
{
#ifdef SONAME_LIBXCURSOR
if (pXcursorImageLoadCursor) cursor = create_xcursor_cursor( hdc, &info, bm.bmWidth, bm.bmHeight );
#endif
if (!cursor) cursor = create_xlib_cursor( hdc, &info, bm.bmWidth, bm.bmHeight );
DeleteObject( info.hbmColor );
}
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 );
DeleteDC( hdc );
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();
POINT pt;
TRACE( "warping to (%d,%d)\n", x, y );
wine_tsx11_lock();
if (cursor_pos.x == x && cursor_pos.y == y)
{
wine_tsx11_unlock();
/* We still need to generate WM_MOUSEMOVE */
queue_raw_mouse_message( WM_MOUSEMOVE, NULL, x, y, 0, GetCurrentTime(), 0, 0 );
return TRUE;
}
pt.x = x; pt.y = y;
clip_point_to_rect( &cursor_clip, &pt);
XWarpPointer( display, root_window, root_window, 0, 0, 0, 0,
pt.x - virtual_screen_rect.left, pt.y - virtual_screen_rect.top );
XFlush( display ); /* avoids bad mouse lag in games that do their own mouse warping */
cursor_pos = pt;
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;
wine_tsx11_lock();
if ((GetTickCount() - last_time_modified > 100) &&
XQueryPointer( display, root_window, &root, &child,
&rootX, &rootY, &winX, &winY, &xstate ))
{
update_button_state( xstate );
winX += virtual_screen_rect.left;
winY += virtual_screen_rect.top;
TRACE("pointer at (%d,%d)\n", winX, winY );
cursor_pos.x = winX;
cursor_pos.y = winY;
}
*pos = cursor_pos;
wine_tsx11_unlock();
return TRUE;
}
/***********************************************************************
* ClipCursor (X11DRV.@)
*
* Set the cursor clipping rectangle.
*/
BOOL CDECL X11DRV_ClipCursor( LPCRECT clip )
{
if (!IntersectRect( &cursor_clip, &virtual_screen_rect, clip ))
cursor_clip = virtual_screen_rect;
return TRUE;
}
/***********************************************************************
* X11DRV_ButtonPress
*/
void X11DRV_ButtonPress( HWND hwnd, XEvent *xev )
{
XButtonEvent *event = &xev->xbutton;
int buttonNum = event->button - 1;
WORD wData = 0;
POINT pt;
if (buttonNum >= NB_BUTTONS) return;
if (!hwnd) 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 );
update_mouse_state( hwnd, event->window, event->x, event->y, event->state, &pt );
X11DRV_send_mouse_input( hwnd, button_down_flags[buttonNum] | MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE,
pt.x, pt.y, wData, EVENT_x11_time_to_win32_time(event->time), 0, 0 );
}
/***********************************************************************
* X11DRV_ButtonRelease
*/
void X11DRV_ButtonRelease( HWND hwnd, XEvent *xev )
{
XButtonEvent *event = &xev->xbutton;
int buttonNum = event->button - 1;
WORD wData = 0;
POINT pt;
if (buttonNum >= NB_BUTTONS || !button_up_flags[buttonNum]) return;
if (!hwnd) return;
switch (buttonNum)
{
case 5:
wData = XBUTTON1;
break;
case 6:
wData = XBUTTON2;
break;
case 7:
wData = XBUTTON1;
break;
case 8:
wData = XBUTTON2;
break;
}
update_mouse_state( hwnd, event->window, event->x, event->y, event->state, &pt );
X11DRV_send_mouse_input( hwnd, button_up_flags[buttonNum] | MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE,
pt.x, pt.y, wData, EVENT_x11_time_to_win32_time(event->time), 0, 0 );
}
/***********************************************************************
* X11DRV_MotionNotify
*/
void X11DRV_MotionNotify( HWND hwnd, XEvent *xev )
{
XMotionEvent *event = &xev->xmotion;
POINT pt;
TRACE("hwnd %p, event->is_hint %d\n", hwnd, event->is_hint);
if (!hwnd) return;
update_mouse_state( hwnd, event->window, event->x, event->y, event->state, &pt );
X11DRV_send_mouse_input( hwnd, MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE,
pt.x, pt.y, 0, EVENT_x11_time_to_win32_time(event->time), 0, 0 );
}
/***********************************************************************
* X11DRV_EnterNotify
*/
void X11DRV_EnterNotify( HWND hwnd, XEvent *xev )
{
XCrossingEvent *event = &xev->xcrossing;
POINT pt;
TRACE("hwnd %p, event->detail %d\n", hwnd, event->detail);
if (!hwnd) return;
if (event->detail == NotifyVirtual || event->detail == NotifyNonlinearVirtual) return;
if (event->window == x11drv_thread_data()->grab_window) return;
/* simulate a mouse motion event */
update_mouse_state( hwnd, event->window, event->x, event->y, event->state, &pt );
X11DRV_send_mouse_input( hwnd, MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE,
pt.x, pt.y, 0, EVENT_x11_time_to_win32_time(event->time), 0, 0 );
}