view src/video/Xext/extensions/xf86dga1.h @ 1584:b786d9c15e42

Fixed bug #61 Date: Mon, 24 Feb 2003 13:35:11 +0800 From: "Leonidas" Subject: [SDL] Re: Trigger mouse wheel event -- not in X-environment I have looked into the codes for the IMPS/2 mouse wheel mode of fbcon driver. But I found something weird. Here's the original codes to set a mouse device into IMPS/2 mode in libSDL. In the file src/video/fbcon/SDL_fbevents.c In function static int set_imps2_mode(int fd) ... Uint8 set_imps2[] = {0xf3, 200, 0xf3, 100, 0xf3, 80}; Uint8 reset = 0xff; fd_set fdset; struct timeval tv; int retval = 0; // Set mouse device fd into IMPS/2 mode if ( write(fd, &set_imps2, sizeof(set_imps2)) == sizeof(set_imps2) ) { // ??? then RESET it..??? if (write(fd, &reset, sizeof (reset)) == sizeof (reset) ) { retval = 1; } } ........... Since it sets IMPS/2 mode then reset it, so you will never get a mouse into IMPS/2 mode to use its wheel. What I did to make the wheel usable is remove the RESET codes. .... if ( write(fd, &set_imps2, sizeof(set_imps2)) == sizeof(set_imps2) ) { /* if (write(fd, &reset, sizeof (reset)) == sizeof (reset) ) { } */ retval = 1; } .... And in FB_OpenMouse(_THIS) Make the device /dev/psaux to be setted into imps2 mode such that it can be detected its a imps/2 mouse or not. (my mouse device is on ps2, but the codes only set /dev/input/mice device originally) Then I have done, I can use the mouse wheel when SDL uses frame buff driver. I dont exactly know I did right or wrong, I just change it for my usuage. Correct me please, if I did something wrong. Best regards, Li Tsung Lin IAP Product Dept. Engineer EeRise Corp. (Image Processing System, Computer Vision System) Hsin Tien, Taipei Hsien, Taiwan, R.O.C.
author Sam Lantinga <slouken@libsdl.org>
date Wed, 22 Mar 2006 07:22:40 +0000
parents 585a7e1285ae
children 782fd950bd46 c121d94672cb
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/* $XFree86: xc/include/extensions/xf86dga1.h,v 1.2 1999/04/17 07:05:41 dawes Exp $ */
/*

Copyright (c) 1995  Jon Tombs
Copyright (c) 1995  XFree86 Inc

*/

/************************************************************************

   THIS IS THE OLD DGA API AND IS OBSOLETE.  PLEASE DO NOT USE IT ANYMORE

************************************************************************/

#ifndef _XF86DGA1_H_
#define _XF86DGA1_H_

#include <X11/Xfuncproto.h>
#include "SDL_name.h"

#define X_XF86DGAQueryVersion		0
#define X_XF86DGAGetVideoLL		1
#define X_XF86DGADirectVideo		2
#define X_XF86DGAGetViewPortSize	3
#define X_XF86DGASetViewPort		4
#define X_XF86DGAGetVidPage		5
#define X_XF86DGASetVidPage		6
#define X_XF86DGAInstallColormap	7
#define X_XF86DGAQueryDirectVideo	8
#define X_XF86DGAViewPortChanged	9

#define XF86DGADirectPresent		0x0001
#define XF86DGADirectGraphics		0x0002
#define XF86DGADirectMouse		0x0004
#define XF86DGADirectKeyb		0x0008
#define XF86DGAHasColormap		0x0100
#define XF86DGADirectColormap		0x0200




#ifndef _XF86DGA_SERVER_

_XFUNCPROTOBEGIN

Bool SDL_NAME(XF86DGAQueryVersion)(
#if NeedFunctionPrototypes
    Display*		/* dpy */,
    int*		/* majorVersion */,
    int*		/* minorVersion */
#endif
);

Bool SDL_NAME(XF86DGAQueryExtension)(
#if NeedFunctionPrototypes
    Display*		/* dpy */,
    int*		/* event_base */,
    int*		/* error_base */
#endif
);

Status SDL_NAME(XF86DGAGetVideoLL)(
#if NeedFunctionPrototypes
    Display*			/* dpy */,
    int				/* screen */,
    int *			/* base addr */,
    int *			/* width */,
    int *			/* bank_size */,
    int *			/* ram_size */ 
#endif
);

Status SDL_NAME(XF86DGAGetVideo)(
#if NeedFunctionPrototypes
    Display*			/* dpy */,
    int				/* screen */,
    char **			/* base addr */,
    int *			/* width */,
    int *			/* bank_size */,
    int *			/* ram_size */
#endif
);

Status SDL_NAME(XF86DGADirectVideo)(
#if NeedFunctionPrototypes
    Display*			/* dpy */,
    int				/* screen */,
    int 			/* enable */
#endif
);

Status SDL_NAME(XF86DGADirectVideoLL)(
#if NeedFunctionPrototypes
    Display*			/* dpy */,
    int				/* screen */,
    int 			/* enable */
#endif
);

Status SDL_NAME(XF86DGAGetViewPortSize)(
#if NeedFunctionPrototypes
    Display*			/* dpy */,
    int				/* screen */,
    int *			/* width */,
    int *			/* height */
#endif
);

Status SDL_NAME(XF86DGASetViewPort)(
#if NeedFunctionPrototypes
    Display*			/* dpy */,
    int				/* screen */,
    int x			/* X */,
    int y			/* Y */
#endif
);

Status SDL_NAME(XF86DGAGetVidPage)(
#if NeedFunctionPrototypes
    Display*			/* dpy */,
    int				/* screen */,
    int *			/* vid page */
#endif
);

Status SDL_NAME(XF86DGASetVidPage)(
#if NeedFunctionPrototypes
    Display*			/* dpy */,
    int				/* screen */,
    int				/* vid page */
#endif
);

Status SDL_NAME(XF86DGAInstallColormap)(
#if NeedFunctionPrototypes
    Display*			/* dpy */,
    int				/* screen */,
    Colormap			/*Colormap */
#endif
);

int SDL_NAME(XF86DGAForkApp)(
#if NeedFunctionPrototypes
    int screen
#endif
);

Status SDL_NAME(XF86DGAQueryDirectVideo)(
#if NeedFunctionPrototypes
    Display *		/* dpy */,
    int			/* screen */,
    int *		/* flags */
#endif
);

Bool SDL_NAME(XF86DGAViewPortChanged)(
#if NeedFunctionPrototypes
    Display *		/* dpy */,
    int			/* screen */,
    int			/* n */
#endif
);


_XFUNCPROTOEND

#endif /* _XF86DGA_SERVER_ */

#endif /* _XF86DGA1_H_ */