src/video/directfb/SDL_DirectFB_mouse.c - external/github.com/libsdl-org/SDL - Git at Google

 /*
   Simple DirectMedia Layer
   Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>

   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
   arising from the use of this software.

   Permission is granted to anyone to use this software for any purpose,
   including commercial applications, and to alter it and redistribute it
   freely, subject to the following restrictions:

   1. The origin of this software must not be misrepresented; you must not
      claim that you wrote the original software. If you use this software
      in a product, an acknowledgment in the product documentation would be
      appreciated but is not required.
   2. Altered source versions must be plainly marked as such, and must not be
      misrepresented as being the original software.
   3. This notice may not be removed or altered from any source distribution.
 */
 #include "SDL_config.h"

 #if SDL_VIDEO_DRIVER_DIRECTFB

 #include "SDL_assert.h"

 #include "SDL_DirectFB_video.h"
 #include "SDL_DirectFB_mouse.h"
 #include "SDL_DirectFB_modes.h"
 #include "SDL_DirectFB_window.h"

 #include "../SDL_sysvideo.h"
 #include "../../events/SDL_mouse_c.h"

 static SDL_Cursor *DirectFB_CreateDefaultCursor(void);
 static SDL_Cursor *DirectFB_CreateCursor(SDL_Surface * surface,
                                          int hot_x, int hot_y);
 static int DirectFB_ShowCursor(SDL_Cursor * cursor);
 static void DirectFB_MoveCursor(SDL_Cursor * cursor);
 static void DirectFB_FreeCursor(SDL_Cursor * cursor);
 static void DirectFB_WarpMouse(SDL_Window * window, int x, int y);
 static void DirectFB_FreeMouse(SDL_Mouse * mouse);

 static const char *arrow[] = {
     /* pixels */
     "X                               ",
     "XX                              ",
     "X.X                             ",
     "X..X                            ",
     "X...X                           ",
     "X....X                          ",
     "X.....X                         ",
     "X......X                        ",
     "X.......X                       ",
     "X........X                      ",
     "X.....XXXXX                     ",
     "X..X..X                         ",
     "X.X X..X                        ",
     "XX  X..X                        ",
     "X    X..X                       ",
     "     X..X                       ",
     "      X..X                      ",
     "      X..X                      ",
     "       XX                       ",
     "                                ",
     "                                ",
     "                                ",
     "                                ",
     "                                ",
     "                                ",
     "                                ",
     "                                ",
     "                                ",
     "                                ",
     "                                ",
     "                                ",
     "                                ",
 };

 static SDL_Cursor *
 DirectFB_CreateDefaultCursor(void)
 {
     SDL_VideoDevice *dev = SDL_GetVideoDevice();

     SDL_DFB_DEVICEDATA(dev);
     DFB_CursorData *curdata;
     DFBResult ret;
     DFBSurfaceDescription dsc;
     SDL_Cursor *cursor;
     Uint32 *dest;
     Uint32 *p;
     int pitch, i, j;

     SDL_DFB_ALLOC_CLEAR( cursor, sizeof(*cursor));
     SDL_DFB_ALLOC_CLEAR(curdata, sizeof(*curdata));

     dsc.flags =
         DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | DSDESC_CAPS;
     dsc.caps = DSCAPS_VIDEOONLY;
     dsc.width = 32;
     dsc.height = 32;
     dsc.pixelformat = DSPF_ARGB;

     SDL_DFB_CHECKERR(devdata->dfb->CreateSurface(devdata->dfb, &dsc,
                                                  &curdata->surf));
     curdata->hotx = 0;
     curdata->hoty = 0;
     cursor->driverdata = curdata;

     SDL_DFB_CHECKERR(curdata->surf->Lock(curdata->surf, DSLF_WRITE,
                                          (void *) &dest, &pitch));

     /* Relies on the fact that this is only called with ARGB surface. */
     for (i = 0; i < 32; i++)
     {
         for (j = 0; j < 32; j++)
         {
             switch (arrow[i][j])
             {
             case ' ': dest[j] = 0x00000000; break;
             case '.': dest[j] = 0xffffffff; break;
             case 'X': dest[j] = 0xff000000; break;
             }
         }
         dest += (pitch >> 2);
     }

     curdata->surf->Unlock(curdata->surf);
     return cursor;
   error:
     return NULL;
 }

 /* Create a cursor from a surface */
 static SDL_Cursor *
 DirectFB_CreateCursor(SDL_Surface * surface, int hot_x, int hot_y)
 {
     SDL_VideoDevice *dev = SDL_GetVideoDevice();

     SDL_DFB_DEVICEDATA(dev);
     DFB_CursorData *curdata;
     DFBResult ret;
     DFBSurfaceDescription dsc;
     SDL_Cursor *cursor;
     Uint32 *dest;
     Uint32 *p;
     int pitch, i;

     SDL_assert(surface->format->format == SDL_PIXELFORMAT_ARGB8888);
     SDL_assert(surface->pitch == surface->w * 4);

     SDL_DFB_ALLOC_CLEAR( cursor, sizeof(*cursor));
     SDL_DFB_ALLOC_CLEAR(curdata, sizeof(*curdata));

     dsc.flags =
         DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | DSDESC_CAPS;
     dsc.caps = DSCAPS_VIDEOONLY;
     dsc.width = surface->w;
     dsc.height = surface->h;
     dsc.pixelformat = DSPF_ARGB;

     SDL_DFB_CHECKERR(devdata->dfb->CreateSurface(devdata->dfb, &dsc,
                                                  &curdata->surf));
     curdata->hotx = hot_x;
     curdata->hoty = hot_y;
     cursor->driverdata = curdata;

     SDL_DFB_CHECKERR(curdata->surf->Lock(curdata->surf, DSLF_WRITE,
                                          (void *) &dest, &pitch));

     p = surface->pixels;
     for (i = 0; i < surface->h; i++)
         memcpy((char *) dest + i * pitch,
                (char *) p + i * surface->pitch, 4 * surface->w);

     curdata->surf->Unlock(curdata->surf);
     return cursor;
   error:
     return NULL;
 }

 /* Show the specified cursor, or hide if cursor is NULL */
 static int
 DirectFB_ShowCursor(SDL_Cursor * cursor)
 {
     SDL_DFB_CURSORDATA(cursor);
     DFBResult ret;
     SDL_Window *window;

     window = SDL_GetFocusWindow();
     if (!window)
         return -1;
     else {
         SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);

         if (display) {
             DFB_DisplayData *dispdata =
                 (DFB_DisplayData *) display->driverdata;
             DFB_WindowData *windata = (DFB_WindowData *) window->driverdata;

             if (cursor)
                 SDL_DFB_CHECKERR(windata->dfbwin->
                                  SetCursorShape(windata->dfbwin,
                                                 curdata->surf, curdata->hotx,
                                                 curdata->hoty));

             SDL_DFB_CHECKERR(dispdata->layer->
                              SetCooperativeLevel(dispdata->layer,
                                                  DLSCL_ADMINISTRATIVE));
             SDL_DFB_CHECKERR(dispdata->layer->
                              SetCursorOpacity(dispdata->layer,
                                               cursor ? 0xC0 : 0x00));
             SDL_DFB_CHECKERR(dispdata->layer->
                              SetCooperativeLevel(dispdata->layer,
                                                  DLSCL_SHARED));
         }
     }

     return 0;
   error:
     return -1;
 }

 /* Free a window manager cursor */
 static void
 DirectFB_FreeCursor(SDL_Cursor * cursor)
 {
     SDL_DFB_CURSORDATA(cursor);

     SDL_DFB_RELEASE(curdata->surf);
     SDL_DFB_FREE(cursor->driverdata);
     SDL_DFB_FREE(cursor);
 }

 /* Warp the mouse to (x,y) */
 static void
 DirectFB_WarpMouse(SDL_Window * window, int x, int y)
 {
     SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
     DFB_DisplayData *dispdata = (DFB_DisplayData *) display->driverdata;
     DFB_WindowData *windata = (DFB_WindowData *) window->driverdata;
     DFBResult ret;
     int cx, cy;

     SDL_DFB_CHECKERR(windata->dfbwin->GetPosition(windata->dfbwin, &cx, &cy));
     SDL_DFB_CHECKERR(dispdata->layer->WarpCursor(dispdata->layer,
                                                  cx + x + windata->client.x,
                                                  cy + y + windata->client.y));

   error:
     return;
 }

 #if USE_MULTI_API

 static void DirectFB_WarpMouse(SDL_Mouse * mouse, SDL_Window * window,
                                int x, int y);

 static int id_mask;

 static DFBEnumerationResult
 EnumMice(DFBInputDeviceID device_id, DFBInputDeviceDescription desc,
          void *callbackdata)
 {
     DFB_DeviceData *devdata = callbackdata;

     if ((desc.type & DIDTF_MOUSE) && (device_id & id_mask)) {
         SDL_Mouse mouse;

         SDL_zero(mouse);
         mouse.id = device_id;
         mouse.CreateCursor = DirectFB_CreateCursor;
         mouse.ShowCursor = DirectFB_ShowCursor;
         mouse.MoveCursor = DirectFB_MoveCursor;
         mouse.FreeCursor = DirectFB_FreeCursor;
         mouse.WarpMouse = DirectFB_WarpMouse;
         mouse.FreeMouse = DirectFB_FreeMouse;
         mouse.cursor_shown = 1;

         SDL_AddMouse(&mouse, desc.name, 0, 0, 1);
         devdata->mouse_id[devdata->num_mice++] = device_id;
     }
     return DFENUM_OK;
 }

 void
 DirectFB_InitMouse(_THIS)
 {
     SDL_DFB_DEVICEDATA(_this);

     devdata->num_mice = 0;
     if (devdata->use_linux_input) {
         /* try non-core devices first */
         id_mask = 0xF0;
         devdata->dfb->EnumInputDevices(devdata->dfb, EnumMice, devdata);
         if (devdata->num_mice == 0) {
             /* try core devices */
             id_mask = 0x0F;
             devdata->dfb->EnumInputDevices(devdata->dfb, EnumMice, devdata);
         }
     }
     if (devdata->num_mice == 0) {
         SDL_Mouse mouse;

         SDL_zero(mouse);
         mouse.CreateCursor = DirectFB_CreateCursor;
         mouse.ShowCursor = DirectFB_ShowCursor;
         mouse.MoveCursor = DirectFB_MoveCursor;
         mouse.FreeCursor = DirectFB_FreeCursor;
         mouse.WarpMouse = DirectFB_WarpMouse;
         mouse.FreeMouse = DirectFB_FreeMouse;
         mouse.cursor_shown = 1;

         SDL_AddMouse(&mouse, "Mouse", 0, 0, 1);
         devdata->num_mice = 1;
     }
 }

 void
 DirectFB_QuitMouse(_THIS)
 {
     SDL_DFB_DEVICEDATA(_this);

     if (devdata->use_linux_input) {
         SDL_MouseQuit();
     } else {
         SDL_DelMouse(0);
     }
 }


 /* This is called when a mouse motion event occurs */
 static void
 DirectFB_MoveCursor(SDL_Cursor * cursor)
 {

 }

 /* Warp the mouse to (x,y) */
 static void
 DirectFB_WarpMouse(SDL_Mouse * mouse, SDL_Window * window, int x, int y)
 {
     SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
     DFB_DisplayData *dispdata = (DFB_DisplayData *) display->driverdata;
     DFB_WindowData *windata = (DFB_WindowData *) window->driverdata;
     DFBResult ret;
     int cx, cy;

     SDL_DFB_CHECKERR(windata->dfbwin->GetPosition(windata->dfbwin, &cx, &cy));
     SDL_DFB_CHECKERR(dispdata->layer->WarpCursor(dispdata->layer,
                                                  cx + x + windata->client.x,
                                                  cy + y + windata->client.y));

   error:
     return;
 }

 /* Free the mouse when it's time */
 static void
 DirectFB_FreeMouse(SDL_Mouse * mouse)
 {
     /* nothing yet */
 }

 #else /* USE_MULTI_API */

 void
 DirectFB_InitMouse(_THIS)
 {
     SDL_DFB_DEVICEDATA(_this);

     SDL_Mouse *mouse = SDL_GetMouse();

     mouse->CreateCursor = DirectFB_CreateCursor;
     mouse->ShowCursor = DirectFB_ShowCursor;
     mouse->WarpMouse = DirectFB_WarpMouse;
     mouse->FreeCursor = DirectFB_FreeCursor;

     SDL_SetDefaultCursor(DirectFB_CreateDefaultCursor());

     devdata->num_mice = 1;
 }

 void
 DirectFB_QuitMouse(_THIS)
 {
 }


 #endif

 #endif /* SDL_VIDEO_DRIVER_DIRECTFB */

 /* vi: set ts=4 sw=4 expandtab: */
	/*
	Simple DirectMedia Layer
	Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>

	This software is provided 'as-is', without any express or implied
	warranty. In no event will the authors be held liable for any damages
	arising from the use of this software.

	Permission is granted to anyone to use this software for any purpose,
	including commercial applications, and to alter it and redistribute it
	freely, subject to the following restrictions:

	1. The origin of this software must not be misrepresented; you must not
	claim that you wrote the original software. If you use this software
	in a product, an acknowledgment in the product documentation would be
	appreciated but is not required.
	2. Altered source versions must be plainly marked as such, and must not be
	misrepresented as being the original software.
	3. This notice may not be removed or altered from any source distribution.
	*/
	#include "SDL_config.h"

	#if SDL_VIDEO_DRIVER_DIRECTFB

	#include "SDL_assert.h"

	#include "SDL_DirectFB_video.h"
	#include "SDL_DirectFB_mouse.h"
	#include "SDL_DirectFB_modes.h"
	#include "SDL_DirectFB_window.h"

	#include "../SDL_sysvideo.h"
	#include "../../events/SDL_mouse_c.h"

	static SDL_Cursor *DirectFB_CreateDefaultCursor(void);
	static SDL_Cursor DirectFB_CreateCursor(SDL_Surface surface,
	int hot_x, int hot_y);
	static int DirectFB_ShowCursor(SDL_Cursor * cursor);
	static void DirectFB_MoveCursor(SDL_Cursor * cursor);
	static void DirectFB_FreeCursor(SDL_Cursor * cursor);
	static void DirectFB_WarpMouse(SDL_Window * window, int x, int y);
	static void DirectFB_FreeMouse(SDL_Mouse * mouse);

	static const char *arrow[] = {
	/* pixels */
	"X ",
	"XX ",
	"X.X ",
	"X..X ",
	"X...X ",
	"X....X ",
	"X.....X ",
	"X......X ",
	"X.......X ",
	"X........X ",
	"X.....XXXXX ",
	"X..X..X ",
	"X.X X..X ",
	"XX X..X ",
	"X X..X ",
	" X..X ",
	" X..X ",
	" X..X ",
	" XX ",
	" ",
	" ",
	" ",
	" ",
	" ",
	" ",
	" ",
	" ",
	" ",
	" ",
	" ",
	" ",
	" ",
	};

	static SDL_Cursor *
	DirectFB_CreateDefaultCursor(void)
	{
	SDL_VideoDevice *dev = SDL_GetVideoDevice();

	SDL_DFB_DEVICEDATA(dev);
	DFB_CursorData *curdata;
	DFBResult ret;
	DFBSurfaceDescription dsc;
	SDL_Cursor *cursor;
	Uint32 *dest;
	Uint32 *p;
	int pitch, i, j;

	SDL_DFB_ALLOC_CLEAR( cursor, sizeof(*cursor));
	SDL_DFB_ALLOC_CLEAR(curdata, sizeof(*curdata));

	dsc.flags =
	DSDESC_WIDTH \| DSDESC_HEIGHT \| DSDESC_PIXELFORMAT \| DSDESC_CAPS;
	dsc.caps = DSCAPS_VIDEOONLY;
	dsc.width = 32;
	dsc.height = 32;
	dsc.pixelformat = DSPF_ARGB;

	SDL_DFB_CHECKERR(devdata->dfb->CreateSurface(devdata->dfb, &dsc,
	&curdata->surf));
	curdata->hotx = 0;
	curdata->hoty = 0;
	cursor->driverdata = curdata;

	SDL_DFB_CHECKERR(curdata->surf->Lock(curdata->surf, DSLF_WRITE,
	(void *) &dest, &pitch));

	/* Relies on the fact that this is only called with ARGB surface. */
	for (i = 0; i < 32; i++)
	{
	for (j = 0; j < 32; j++)
	{
	switch (arrow[i][j])
	{
	case ' ': dest[j] = 0x00000000; break;
	case '.': dest[j] = 0xffffffff; break;
	case 'X': dest[j] = 0xff000000; break;
	}
	}
	dest += (pitch >> 2);
	}

	curdata->surf->Unlock(curdata->surf);
	return cursor;
	error:
	return NULL;
	}

	/* Create a cursor from a surface */
	static SDL_Cursor *
	DirectFB_CreateCursor(SDL_Surface * surface, int hot_x, int hot_y)
	{
	SDL_VideoDevice *dev = SDL_GetVideoDevice();

	SDL_DFB_DEVICEDATA(dev);
	DFB_CursorData *curdata;
	DFBResult ret;
	DFBSurfaceDescription dsc;
	SDL_Cursor *cursor;
	Uint32 *dest;
	Uint32 *p;
	int pitch, i;

	SDL_assert(surface->format->format == SDL_PIXELFORMAT_ARGB8888);
	SDL_assert(surface->pitch == surface->w * 4);

	SDL_DFB_ALLOC_CLEAR( cursor, sizeof(*cursor));
	SDL_DFB_ALLOC_CLEAR(curdata, sizeof(*curdata));

	dsc.flags =
	DSDESC_WIDTH \| DSDESC_HEIGHT \| DSDESC_PIXELFORMAT \| DSDESC_CAPS;
	dsc.caps = DSCAPS_VIDEOONLY;
	dsc.width = surface->w;
	dsc.height = surface->h;
	dsc.pixelformat = DSPF_ARGB;

	SDL_DFB_CHECKERR(devdata->dfb->CreateSurface(devdata->dfb, &dsc,
	&curdata->surf));
	curdata->hotx = hot_x;
	curdata->hoty = hot_y;
	cursor->driverdata = curdata;

	SDL_DFB_CHECKERR(curdata->surf->Lock(curdata->surf, DSLF_WRITE,
	(void *) &dest, &pitch));

	p = surface->pixels;
	for (i = 0; i < surface->h; i++)
	memcpy((char ) dest + i pitch,
	(char ) p + i surface->pitch, 4 * surface->w);

	curdata->surf->Unlock(curdata->surf);
	return cursor;
	error:
	return NULL;
	}

	/* Show the specified cursor, or hide if cursor is NULL */
	static int
	DirectFB_ShowCursor(SDL_Cursor * cursor)
	{
	SDL_DFB_CURSORDATA(cursor);
	DFBResult ret;
	SDL_Window *window;

	window = SDL_GetFocusWindow();
	if (!window)
	return -1;
	else {
	SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);

	if (display) {
	DFB_DisplayData *dispdata =
	(DFB_DisplayData *) display->driverdata;
	DFB_WindowData windata = (DFB_WindowData ) window->driverdata;

	if (cursor)
	SDL_DFB_CHECKERR(windata->dfbwin->
	SetCursorShape(windata->dfbwin,
	curdata->surf, curdata->hotx,
	curdata->hoty));

	SDL_DFB_CHECKERR(dispdata->layer->
	SetCooperativeLevel(dispdata->layer,
	DLSCL_ADMINISTRATIVE));
	SDL_DFB_CHECKERR(dispdata->layer->
	SetCursorOpacity(dispdata->layer,
	cursor ? 0xC0 : 0x00));
	SDL_DFB_CHECKERR(dispdata->layer->
	SetCooperativeLevel(dispdata->layer,
	DLSCL_SHARED));
	}
	}

	return 0;
	error:
	return -1;
	}

	/* Free a window manager cursor */
	static void
	DirectFB_FreeCursor(SDL_Cursor * cursor)
	{
	SDL_DFB_CURSORDATA(cursor);

	SDL_DFB_RELEASE(curdata->surf);
	SDL_DFB_FREE(cursor->driverdata);
	SDL_DFB_FREE(cursor);
	}

	/* Warp the mouse to (x,y) */
	static void
	DirectFB_WarpMouse(SDL_Window * window, int x, int y)
	{
	SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
	DFB_DisplayData dispdata = (DFB_DisplayData ) display->driverdata;
	DFB_WindowData windata = (DFB_WindowData ) window->driverdata;
	DFBResult ret;
	int cx, cy;

	SDL_DFB_CHECKERR(windata->dfbwin->GetPosition(windata->dfbwin, &cx, &cy));
	SDL_DFB_CHECKERR(dispdata->layer->WarpCursor(dispdata->layer,
	cx + x + windata->client.x,
	cy + y + windata->client.y));

	error:
	return;
	}

	#if USE_MULTI_API

	static void DirectFB_WarpMouse(SDL_Mouse * mouse, SDL_Window * window,
	int x, int y);

	static int id_mask;

	static DFBEnumerationResult
	EnumMice(DFBInputDeviceID device_id, DFBInputDeviceDescription desc,
	void *callbackdata)
	{
	DFB_DeviceData *devdata = callbackdata;

	if ((desc.type & DIDTF_MOUSE) && (device_id & id_mask)) {
	SDL_Mouse mouse;

	SDL_zero(mouse);
	mouse.id = device_id;
	mouse.CreateCursor = DirectFB_CreateCursor;
	mouse.ShowCursor = DirectFB_ShowCursor;
	mouse.MoveCursor = DirectFB_MoveCursor;
	mouse.FreeCursor = DirectFB_FreeCursor;
	mouse.WarpMouse = DirectFB_WarpMouse;
	mouse.FreeMouse = DirectFB_FreeMouse;
	mouse.cursor_shown = 1;

	SDL_AddMouse(&mouse, desc.name, 0, 0, 1);
	devdata->mouse_id[devdata->num_mice++] = device_id;
	}
	return DFENUM_OK;
	}

	void
	DirectFB_InitMouse(_THIS)
	{
	SDL_DFB_DEVICEDATA(_this);

	devdata->num_mice = 0;
	if (devdata->use_linux_input) {
	/* try non-core devices first */
	id_mask = 0xF0;
	devdata->dfb->EnumInputDevices(devdata->dfb, EnumMice, devdata);
	if (devdata->num_mice == 0) {
	/* try core devices */
	id_mask = 0x0F;
	devdata->dfb->EnumInputDevices(devdata->dfb, EnumMice, devdata);
	}
	}
	if (devdata->num_mice == 0) {
	SDL_Mouse mouse;

	SDL_zero(mouse);
	mouse.CreateCursor = DirectFB_CreateCursor;
	mouse.ShowCursor = DirectFB_ShowCursor;
	mouse.MoveCursor = DirectFB_MoveCursor;
	mouse.FreeCursor = DirectFB_FreeCursor;
	mouse.WarpMouse = DirectFB_WarpMouse;
	mouse.FreeMouse = DirectFB_FreeMouse;
	mouse.cursor_shown = 1;

	SDL_AddMouse(&mouse, "Mouse", 0, 0, 1);
	devdata->num_mice = 1;
	}
	}

	void
	DirectFB_QuitMouse(_THIS)
	{
	SDL_DFB_DEVICEDATA(_this);

	if (devdata->use_linux_input) {
	SDL_MouseQuit();
	} else {
	SDL_DelMouse(0);
	}
	}


	/* This is called when a mouse motion event occurs */
	static void
	DirectFB_MoveCursor(SDL_Cursor * cursor)
	{

	}

	/* Warp the mouse to (x,y) */
	static void
	DirectFB_WarpMouse(SDL_Mouse * mouse, SDL_Window * window, int x, int y)
	{
	SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
	DFB_DisplayData dispdata = (DFB_DisplayData ) display->driverdata;
	DFB_WindowData windata = (DFB_WindowData ) window->driverdata;
	DFBResult ret;
	int cx, cy;

	SDL_DFB_CHECKERR(windata->dfbwin->GetPosition(windata->dfbwin, &cx, &cy));
	SDL_DFB_CHECKERR(dispdata->layer->WarpCursor(dispdata->layer,
	cx + x + windata->client.x,
	cy + y + windata->client.y));

	error:
	return;
	}

	/* Free the mouse when it's time */
	static void
	DirectFB_FreeMouse(SDL_Mouse * mouse)
	{
	/* nothing yet */
	}

	#else /* USE_MULTI_API */

	void
	DirectFB_InitMouse(_THIS)
	{
	SDL_DFB_DEVICEDATA(_this);

	SDL_Mouse *mouse = SDL_GetMouse();

	mouse->CreateCursor = DirectFB_CreateCursor;
	mouse->ShowCursor = DirectFB_ShowCursor;
	mouse->WarpMouse = DirectFB_WarpMouse;
	mouse->FreeCursor = DirectFB_FreeCursor;

	SDL_SetDefaultCursor(DirectFB_CreateDefaultCursor());

	devdata->num_mice = 1;
	}

	void
	DirectFB_QuitMouse(_THIS)
	{
	}


	#endif

	#endif /* SDL_VIDEO_DRIVER_DIRECTFB */

	/* vi: set ts=4 sw=4 expandtab: */