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bug#8680: emacs 24.0 OS X keypad patch


From: Stefan Monnier
Subject: bug#8680: emacs 24.0 OS X keypad patch
Date: Mon, 04 Jul 2011 13:42:57 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

reassign 8680 emacs,ns
tags 8680 +patch
thanks

Could someone familiar with the MacOSX code take a look at this
bug report?


        Stefan


>>>>> "Michael" == Michael Marchionna <address@hidden> writes:

> Adding keypad keycodes to the existing translation table leads to some keys
> being wrongly interpreted as keypad keys.  To avoid that, this patch
> uses a separate translation table exclusively for keys that
> generate a NSNumericPadKeyMask.


> diff --git a/src/nsterm.m b/src/nsterm.m
> index 91f0cbb..d537ee3 100644
> --- a/src/nsterm.m
> +++ b/src/nsterm.m
> @@ -87,6 +87,7 @@ static unsigned convert_ns_to_X_keysym[] =
>    NSBeginFunctionKey,           0x58,
>    NSSelectFunctionKey,          0x60,
>    NSPrintFunctionKey,           0x61,
> +  NSClearLineFunctionKey,       0x0B,
>    NSExecuteFunctionKey,         0x62,
>    NSInsertFunctionKey,          0x63,
>    NSUndoFunctionKey,            0x65,
> @@ -134,6 +135,35 @@ static unsigned convert_ns_to_X_keysym[] =
>    0x1B,                              0x1B   /* escape */
>  };
 
> +static unsigned convert_nskeypad_to_X_keysym[] =
> +{
> +  /* Arrow keys are both function and keypad keys */
> +  NSLeftArrowFunctionKey,       0x51,
> +  NSUpArrowFunctionKey,         0x52,
> +  NSRightArrowFunctionKey,      0x53,
> +  NSDownArrowFunctionKey,       0x54,
> +
> +  0x41,                         0xAE,  /* KP_Decimal */
> +  0x43,                         0xAA,  /* KP_Multiply */
> +  0x45,                         0xAB,  /* KP_Add */
> +  0x4B,                         0xAF,  /* KP_Divide */
> +  0x4E,                         0xAD,  /* KP_Subtract */
> +  0x51,                         0xBD,  /* KP_Equal */
> +  0x52,                         0xB0,  /* KP_0 */
> +  0x53,                         0xB1,  /* KP_1 */
> +  0x54,                         0xB2,  /* KP_2 */
> +  0x55,                         0xB3,  /* KP_3 */
> +  0x56,                         0xB4,  /* KP_4 */
> +  0x57,                         0xB5,  /* KP_5 */
> +  0x58,                         0xB6,  /* KP_6 */
> +  0x59,                         0xB7,  /* KP_7 */
> +  0x5B,                         0xB8,  /* KP_8 */
> +  0x5C,                         0xB9,  /* KP_9 */
> +
> +  // The enter key is on the keypad but modifier isnt set
> +  NSEnterCharacter,          0x8D
> +};
> +
 
>  static Lisp_Object Qmodifier_value;
>  Lisp_Object Qalt, Qcontrol, Qhyper, Qmeta, Qsuper, Qnone;
> @@ -1924,13 +1954,33 @@ ns_convert_key (unsigned code)
>    unsigned keysym;
>    /* An array would be faster, but less easy to read. */
>    for (keysym = 0; keysym < last_keysym; keysym += 2)
> -    if (code == convert_ns_to_X_keysym[keysym])
> -      return 0xFF00 | convert_ns_to_X_keysym[keysym+1];
> +      
> +      if (code == convert_ns_to_X_keysym[keysym]) {
> +        return 0xFF00 | convert_ns_to_X_keysym[keysym+1];
> +      }
>    return 0;
>  /* if decide to use keyCode and Carbon table, use this line:
>       return code > 0xff ? 0 : 0xFF00 | ns_keycode_to_xkeysym_table[code]; */
>  }
 
> +static unsigned
> +ns_convert_keypad (unsigned code)
> +/* --------------------------------------------------------------------------
> +    Internal call used by NSView-keyDown.
> +   
> -------------------------------------------------------------------------- */
> +{
> +  const unsigned last_keysym = (sizeof (convert_nskeypad_to_X_keysym)
> +                                / sizeof (convert_nskeypad_to_X_keysym[0]));
> +  unsigned keysym;
> +  /* An array would be faster, but less easy to read. */
> +  for (keysym = 0; keysym < last_keysym; keysym += 2) {
> +      if (code == convert_nskeypad_to_X_keysym[keysym]) {
> +        return 0xFF00 | convert_nskeypad_to_X_keysym[keysym+1];
> +      }
> +  }
> +  return 0;
> +}
> +
 
>  char *
>  x_get_keysym_name (int keysym)
> @@ -4503,10 +4553,10 @@ ns_term_shutdown (int sig)
>    Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (emacsframe);
>    int code;
>    unsigned fnKeysym = 0;
> -  int flags;
>    static NSMutableArray *nsEvArray;
>    static BOOL firstTime = YES;
>    int left_is_none;
> +  unsigned int flags = [theEvent modifierFlags];
 
>    NSTRACE (keyDown);
 
> @@ -4550,9 +4600,13 @@ ns_term_shutdown (int sig)
>        code = ([[theEvent charactersIgnoringModifiers] length] == 0) ?
>          0 : [[theEvent charactersIgnoringModifiers] characterAtIndex: 0];
>        /* (Carbon way: [theEvent keyCode]) */
> +      
 
>        /* is it a "function key"? */
> -      fnKeysym = ns_convert_key (code);
> +      if (code < 0x00ff && (flags & NSNumericPadKeyMask) )
> +     fnKeysym = ns_convert_keypad([theEvent keyCode]);
> +      else
> +     fnKeysym = ns_convert_key(code);
>        if (fnKeysym)
>          {
>            /* COUNTERHACK: map 'Delete' on upper-right main KB to 'Backspace',
> @@ -4565,7 +4619,6 @@ ns_term_shutdown (int sig)
 
>        /* are there modifiers? */
emacs_event-> modifiers = 0;
> -      flags = [theEvent modifierFlags];
 
>        if (flags & NSHelpKeyMask)
emacs_event-> modifiers |= hyper_modifier;





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