Re: jumping erratic mouse cursor

From: Robert (16ja5ko02_at_sneakemail.com)
Date: 12/19/04

  • Next message: Ed Koan: "Re: dvi cabling again!" 
    Date: Sun, 19 Dec 2004 01:43:22 GMT

    In addition, I also changed the gpm source code. Below is the patch:

    --- gpm-1.19.3/gpm.c 2000-07-18 05:06:06.000000000 -0700
    +++ /usr/src/redhat/SOURCES/gpm-1.19.3/gpm.c 2004-10-12 15:21:45.000000000 -0700
    @@ -50,6 +51,7 @@
     extern int errno;
     
     static void gpm_killed(int);
    +static void gpm_switchbuttons(int);
     
     /*
      * all the values duplicated for dual-mouse operation are
    @@ -995,6 +1014,8 @@
     
       signal(SIGWINCH,gpm_killed); /* winch can be sent if console is resized */
     
    + signal(SIGHUP, gpm_switchbuttons);
    +
     /*....................................... create your nodes */
     
       /* control node */
    @@ -1208,5 +1229,16 @@
       exit(0);
     }
     
    +/*-------------------------------------------------------------------*/
    +static void gpm_switchbuttons(int signo)
    +{
    + char* tmp;
    +
    + tmp=opt_sequence;
    + opt_sequence=opt_altsequence;
    + opt_altsequence=tmp;
    + signal(SIGHUP, gpm_switchbuttons);
    +}
    +
     
     
    diff -wru gpm-1.19.3/gpmInt.h /usr/src/redhat/SOURCES/gpm-1.19.3/gpmInt.h
    --- gpm-1.19.3/gpmInt.h 2000-07-18 05:18:54.000000000 -0700
    +++ /usr/src/redhat/SOURCES/gpm-1.19.3/gpmInt.h 2004-10-12 15:18:31.000000000 -0700
    @@ -85,7 +85,7 @@
     /* this structure is used to hide the dual-mouse stuff */
     
     struct mouse_features {
    - char *opt_type, *opt_dev, *opt_sequence;
    + char *opt_type, *opt_dev, *opt_sequence, *opt_altsequence;
       int opt_baud,opt_sample,opt_delta, opt_accel, opt_scale, opt_scaley;
       int opt_time, opt_cluster, opt_three, opt_glidepoint_tap;
       char *opt_options; /* extra textual configuration */
    @@ -101,6 +101,7 @@
     #define opt_type (which_mouse->opt_type)
     #define opt_dev (which_mouse->opt_dev)
     #define opt_sequence (which_mouse->opt_sequence)
    +#define opt_altsequence (which_mouse->opt_altsequence)
     #define opt_baud (which_mouse->opt_baud)
     #define opt_sample (which_mouse->opt_sample)
     #define opt_delta (which_mouse->opt_delta)

    diff -wru gpm-1.19.3/gpn.c /usr/src/redhat/SOURCES/gpm-1.19.3/gpn.c
    --- gpm-1.19.3/gpn.c 2000-07-18 05:06:06.000000000 -0700
    +++ /usr/src/redhat/SOURCES/gpm-1.19.3/gpn.c 2004-10-12 15:19:10.000000000 -0700
    @@ -400,6 +406,7 @@
           for (opt=0; seq[opt].in && strcmp(seq[opt].in,opt_sequence); opt++)
             ;
           if (!seq[opt].in) exit(usage("button sequence"));
    + opt_altsequence=strdup(seq[0].out);
           opt_sequence=strdup(seq[opt].out); /* I can rewrite on it */
     
           /* look for the mouse type */

    diff -wru gpm-1.19.3/mice.c /usr/src/redhat/SOURCES/gpm-1.19.3/mice.c
    --- gpm-1.19.3/mice.c 2000-03-07 06:10:00.000000000 -0800
    +++ /usr/src/redhat/SOURCES/gpm-1.19.3/mice.c 2004-09-20 14:28:29.000000000 -0700
    @@ -426,8 +426,8 @@
     
       /* sluggish... */
       buffer[0]=(state->buttons ^ 0x07) | 0x80;
    - buffer[3] = state->dx - (buffer[1] = state->dx/2); /* Markus */
    - buffer[4] = -state->dy - (buffer[2] = -state->dy/2);
    + buffer[3] = state->dx/4 - (buffer[1] = state->dx/8); /* Markus */
    + buffer[4] = -state->dy/4 - (buffer[2] = -state->dy/8);
       return write(fd,buffer,5);
     
     }

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