Attachment 12548 Details for Bug 11545 – xorg-kdrive-linux-keyboard-mediumraw.patch

[patch] xorg-kdrive-linux-keyboard-mediumraw.patch

xorg-kdrive-linux-keyboard-mediumraw.patch (text/plain), 1.38 KB, created by Stanislav Brabec on 2007-11-14 09:50:14 UTC

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Creator: Stanislav Brabec

Created: 2007-11-14 09:50:14 UTC

Size: 1.38 KB

patch

obsolete

>Index: xserver/hw/kdrive/linux/keyboard.c
>===================================================================
>--- xserver.orig/hw/kdrive/linux/keyboard.c
>+++ xserver/hw/kdrive/linux/keyboard.c
>@@ -42,6 +42,9 @@
> #include <sys/ioctl.h>
> 
> extern int LinuxConsoleFd;
>+static unsigned char mediumraw_data;
>+static Bool mediumraw_up;
>+static enum { DEFAULT, EXTBYTE1, EXTBYTE2 } mediumraw_state = DEFAULT;
> 
> static const KeySym linux_to_x[256] = {
> 	NoSymbol,	NoSymbol,	NoSymbol,	NoSymbol,
>@@ -701,7 +704,29 @@ LinuxKeyboardRead (int fd, void *closure
>             else
> #endif
>                 scancode = b[0] & 0x7f;
>-	    KdEnqueueKeyboardEvent (closure, scancode, b[0] & 0x80);
>+	    /* This is extended medium raw mode interpreter
>+	       see linux/drivers/keyboard.c (kbd->kbdmode == VC_MEDIUMRAW) */
>+	    switch (mediumraw_state)
>+	    {
>+	    case DEFAULT:
>+		if (scancode == 0)
>+		{
>+		    mediumraw_state = EXTBYTE1;
>+		    mediumraw_up = b[0] & 0x80;
>+		}
>+		else
>+		    KdEnqueueKeyboardEvent (closure, scancode, b[0] & 0x80);
>+		break;
>+	    case EXTBYTE1:
>+		mediumraw_data = scancode;
>+		mediumraw_state = EXTBYTE2;
>+		break;
>+	    case EXTBYTE2:
>+		/* Note: Only codes < 256 will pass correctly through KdEnqueueKeyboardEvent() */
>+	      KdEnqueueKeyboardEvent (closure, (int)mediumraw_data << 7 | scancode, mediumraw_up);
>+		mediumraw_state = DEFAULT;
>+		break;
>+	    }
> 	    b++;
> 	}
>     }

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Attachments on bug 11545: 10671 | 12543 | 12544 | 12548 | 12559 | 12567

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