89 lines
3.3 KiB
Text
89 lines
3.3 KiB
Text
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On Wed, Feb 20, 2002 at 12:13:36AM +0100, Nico Schottelius wrote:
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> Just send the patch to me. I don't mind where it comes from,
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> I mind if it works or not.
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Ok, this patch (against 1.20.0-gamma) is based on the Debian patch.
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It adds an ms3 repeater (supporting the wheel), and also fixes the
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ms3 driver to support the wheel. A couple issues:
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- The Debian patch adds wdx and wdy to Gpm_Event, to support (in
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principle) arbitrary wheel deltas. 1.20.0-gamma supports wheels
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with the GPM_B_UP and GPM_B_DOWN button bits, so I just threw away
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everything except one bit of wdy. I don't think this is a big
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deal in practice (at least, not for me).
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Code from Debian patch, in case you're interested:
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switch (data[3] & 0x0f) {
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case 0x0e: state->wdx = +1; break;
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case 0x02: state->wdx = -1; break;
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case 0x0f: state->wdy = +1; break;
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case 0x01: state->wdy = -1; break;
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}
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- The M_ms3 change is untested, but I'm pretty sure it's right. I
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may be able to test it later.
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Regarding my questions in my first mail, Blaise mailed me privately
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saying that he uses the imps2 repeater with X, and has experienced
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no problems. I'm not exactly sure why, so I tend to think the ms3
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repeater should be preferred for the reason I described (again,
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unless I misunderstand something).
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Andrew
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--- mice.c.orig Tue Feb 19 22:02:23 2002
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+++ mice.c Wed Feb 20 00:15:39 2002
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@@ -369,14 +369,39 @@ static int M_ms3(Gpm_Event *state, unsi
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{
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state->buttons= ((data[0] & 0x20) >> 3) /* left */
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| ((data[3] & 0x10) >> 3) /* middle */
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- | ((data[0] & 0x10) >> 4); /* right */
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+ | ((data[0] & 0x10) >> 4) /* right */
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+ | (((data[3] & 0x0f) == 0x0f) * GPM_B_UP) /* wheel up */
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+ | (((data[3] & 0x0f) == 0x01) * GPM_B_DOWN); /* wheel down */
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state->dx= (signed char)(((data[0] & 0x03) << 6) | (data[1] & 0x3F));
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state->dy= (signed char)(((data[0] & 0x0C) << 4) | (data[2] & 0x3F));
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- /* wheel (dz??) is (data[3] & 0x0f) */
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return 0;
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}
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+static int R_ms3(Gpm_Event *state, int fd)
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+{
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+ char buf[4] = {0, 0, 0, 0};
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+ int dx, dy;
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+
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+ buf[0] |= 0x40;
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+
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+ if (state->buttons & GPM_B_LEFT) buf[0] |= 0x20;
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+ if (state->buttons & GPM_B_MIDDLE) buf[3] |= 0x10;
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+ if (state->buttons & GPM_B_RIGHT) buf[0] |= 0x10;
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+ if (state->buttons & GPM_B_UP) buf[3] |= 0x0f;
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+ if (state->buttons & GPM_B_DOWN) buf[3] |= 0x01;
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+
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+ dx = limit_delta(state->dx, -128, 127);
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+ buf[1] = dx & ~0xC0;
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+ buf[0] |= (dx & 0xC0) >> 6;
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+
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+ dy = limit_delta(state->dy, -128, 127);
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+ buf[2] = dy & ~0xC0;
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+ buf[0] |= (dy & 0xC0) >> 4;
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+
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+ return write(fd,buf,4);
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+}
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+
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/* M_brw is a variant of m$ 'Intellimouse' the middle button is different */
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static int M_brw(Gpm_Event *state, unsigned char *data)
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{
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@@ -2065,7 +2090,7 @@ Gpm_Type mice[]={
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{0xc0, 0x00, 0x00, 0x00}, 4, 1, 0, 0, 0},
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{"ms3", "Microsoft Intellimouse (serial) - 3 buttons, wheel unused",
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"", M_ms3, I_pnp, CS7 | STD_FLG,
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- {0xc0, 0x40, 0xc0, 0x00}, 4, 1, 0, 0, 0},
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+ {0xc0, 0x40, 0xc0, 0x00}, 4, 1, 0, 0, R_ms3},
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{"netmouse", "Genius NetMouse (ps2) - 2 buttons and 2 buttons 'up'/'down'.",
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"", M_netmouse, I_netmouse, CS7 | STD_FLG,
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{0xc0, 0x00, 0x00, 0x00}, 4, 1, 0, 0, 0},
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