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+//=============================================================================
+//
+// Keyboard support for the Darwin X Server
+//
+// Copyright (c) 2001-2004 Torrey T. Lyons. All Rights Reserved.
+// Copyright (c) 2003 Apple Computer, Inc. All Rights Reserved.
+// Copyright 2004 Kaleb S. KEITHLEY. All Rights Reserved.
+//
+// The code to parse the Darwin keymap is derived from dumpkeymap.c
+// by Eric Sunshine, which includes the following copyright:
+//
+// Copyright (C) 1999,2000 by Eric Sunshine <sunshine@sunshineco.com>
+// All rights reserved.
+//
+//-----------------------------------------------------------------------------
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+// 3. The name of the author may not be used to endorse or promote products
+// derived from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+// NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+//=============================================================================
+
+/* $XFree86: xc/programs/Xserver/hw/darwin/darwinKeyboard.c,v 1.21 2004/04/01 00:05:22 torrey Exp $ */
+
+/*
+===========================================================================
+
+ An X keyCode must be in the range XkbMinLegalKeyCode (8) to
+ XkbMaxLegalKeyCode(255).
+
+ The keyCodes we get from the kernel range from 0 to 127, so we need to
+ offset the range before passing the keyCode to X.
+
+ An X KeySym is an extended ascii code that is device independent.
+
+ The modifier map is accessed by the keyCode, but the normal map is
+ accessed by keyCode - MIN_KEYCODE. Sigh.
+
+===========================================================================
+*/
+
+// Define this to get a diagnostic output to stderr which is helpful
+// in determining how the X server is interpreting the Darwin keymap.
+#undef DUMP_DARWIN_KEYMAP
+
+/* Define this to use Alt for Mode_switch. */
+#define ALT_IS_MODE_SWITCH 1
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <IOKit/hidsystem/event_status_driver.h>
+#include <IOKit/hidsystem/ev_keymap.h>
+#include <architecture/byte_order.h> // For the NXSwap*
+#include "darwin.h"
+#include "darwinKeyboard.h"
+
+#define AltMask Mod1Mask
+#define MetaMask Mod2Mask
+#define FunctionMask Mod3Mask
+
+// FIXME: It would be nice to support some of the extra keys in XF86keysym.h,
+// at least the volume controls that now ship on every Apple keyboard.
+
+#define UK(a) NoSymbol // unknown symbol
+
+static KeySym const next_to_x[256] = {
+ NoSymbol, NoSymbol, NoSymbol, XK_KP_Enter,
+ NoSymbol, NoSymbol, NoSymbol, NoSymbol,
+ XK_BackSpace, XK_Tab, XK_Linefeed, NoSymbol,
+ NoSymbol, XK_Return, NoSymbol, NoSymbol,
+ NoSymbol, NoSymbol, NoSymbol, NoSymbol,
+ NoSymbol, NoSymbol, NoSymbol, NoSymbol,
+ NoSymbol, NoSymbol, NoSymbol, XK_Escape,
+ NoSymbol, NoSymbol, NoSymbol, NoSymbol,
+ XK_space, XK_exclam, XK_quotedbl, XK_numbersign,
+ XK_dollar, XK_percent, XK_ampersand, XK_apostrophe,
+ XK_parenleft, XK_parenright, XK_asterisk, XK_plus,
+ XK_comma, XK_minus, XK_period, XK_slash,
+ XK_0, XK_1, XK_2, XK_3,
+ XK_4, XK_5, XK_6, XK_7,
+ XK_8, XK_9, XK_colon, XK_semicolon,
+ XK_less, XK_equal, XK_greater, XK_question,
+ XK_at, XK_A, XK_B, XK_C,
+ XK_D, XK_E, XK_F, XK_G,
+ XK_H, XK_I, XK_J, XK_K,
+ XK_L, XK_M, XK_N, XK_O,
+ XK_P, XK_Q, XK_R, XK_S,
+ XK_T, XK_U, XK_V, XK_W,
+ XK_X, XK_Y, XK_Z, XK_bracketleft,
+ XK_backslash, XK_bracketright,XK_asciicircum, XK_underscore,
+ XK_grave, XK_a, XK_b, XK_c,
+ XK_d, XK_e, XK_f, XK_g,
+ XK_h, XK_i, XK_j, XK_k,
+ XK_l, XK_m, XK_n, XK_o,
+ XK_p, XK_q, XK_r, XK_s,
+ XK_t, XK_u, XK_v, XK_w,
+ XK_x, XK_y, XK_z, XK_braceleft,
+ XK_bar, XK_braceright, XK_asciitilde, XK_BackSpace,
+// 128
+ NoSymbol, XK_Agrave, XK_Aacute, XK_Acircumflex,
+ XK_Atilde, XK_Adiaeresis, XK_Aring, XK_Ccedilla,
+ XK_Egrave, XK_Eacute, XK_Ecircumflex, XK_Ediaeresis,
+ XK_Igrave, XK_Iacute, XK_Icircumflex, XK_Idiaeresis,
+// 144
+ XK_ETH, XK_Ntilde, XK_Ograve, XK_Oacute,
+ XK_Ocircumflex, XK_Otilde, XK_Odiaeresis, XK_Ugrave,
+ XK_Uacute, XK_Ucircumflex, XK_Udiaeresis, XK_Yacute,
+ XK_THORN, XK_mu, XK_multiply, XK_division,
+// 160
+ XK_copyright, XK_exclamdown, XK_cent, XK_sterling,
+ UK(fraction), XK_yen, UK(fhook), XK_section,
+ XK_currency, XK_rightsinglequotemark,
+ XK_leftdoublequotemark,
+ XK_guillemotleft,
+ XK_leftanglebracket,
+ XK_rightanglebracket,
+ UK(filigature), UK(flligature),
+// 176
+ XK_registered, XK_endash, XK_dagger, XK_doubledagger,
+ XK_periodcentered,XK_brokenbar, XK_paragraph, UK(bullet),
+ XK_singlelowquotemark,
+ XK_doublelowquotemark,
+ XK_rightdoublequotemark,
+ XK_guillemotright,
+ XK_ellipsis, UK(permille), XK_notsign, XK_questiondown,
+// 192
+ XK_onesuperior, XK_dead_grave, XK_dead_acute, XK_dead_circumflex,
+ XK_dead_tilde, XK_dead_macron, XK_dead_breve, XK_dead_abovedot,
+ XK_dead_diaeresis,
+ XK_twosuperior, XK_dead_abovering,
+ XK_dead_cedilla,
+ XK_threesuperior,
+ XK_dead_doubleacute,
+ XK_dead_ogonek, XK_dead_caron,
+// 208
+ XK_emdash, XK_plusminus, XK_onequarter, XK_onehalf,
+ XK_threequarters,
+ XK_agrave, XK_aacute, XK_acircumflex,
+ XK_atilde, XK_adiaeresis, XK_aring, XK_ccedilla,
+ XK_egrave, XK_eacute, XK_ecircumflex, XK_ediaeresis,
+// 224
+ XK_igrave, XK_AE, XK_iacute, XK_ordfeminine,
+ XK_icircumflex, XK_idiaeresis, XK_eth, XK_ntilde,
+ XK_Lstroke, XK_Ooblique, XK_OE, XK_masculine,
+ XK_ograve, XK_oacute, XK_ocircumflex, XK_otilde,
+// 240
+ XK_odiaeresis, XK_ae, XK_ugrave, XK_uacute,
+ XK_ucircumflex, XK_idotless, XK_udiaeresis, XK_ygrave,
+ XK_lstroke, XK_ooblique, XK_oe, XK_ssharp,
+ XK_thorn, XK_ydiaeresis, NoSymbol, NoSymbol,
+ };
+
+#define MIN_SYMBOL 0xAC
+static KeySym const symbol_to_x[] = {
+ XK_Left, XK_Up, XK_Right, XK_Down
+ };
+int const NUM_SYMBOL = sizeof(symbol_to_x) / sizeof(symbol_to_x[0]);
+
+#define MIN_FUNCKEY 0x20
+static KeySym const funckey_to_x[] = {
+ XK_F1, XK_F2, XK_F3, XK_F4,
+ XK_F5, XK_F6, XK_F7, XK_F8,
+ XK_F9, XK_F10, XK_F11, XK_F12,
+ XK_Insert, XK_Delete, XK_Home, XK_End,
+ XK_Page_Up, XK_Page_Down, XK_F13, XK_F14,
+ XK_F15
+ };
+int const NUM_FUNCKEY = sizeof(funckey_to_x) / sizeof(funckey_to_x[0]);
+
+typedef struct {
+ KeySym normalSym;
+ KeySym keypadSym;
+} darwinKeyPad_t;
+
+static darwinKeyPad_t const normal_to_keypad[] = {
+ { XK_0, XK_KP_0 },
+ { XK_1, XK_KP_1 },
+ { XK_2, XK_KP_2 },
+ { XK_3, XK_KP_3 },
+ { XK_4, XK_KP_4 },
+ { XK_5, XK_KP_5 },
+ { XK_6, XK_KP_6 },
+ { XK_7, XK_KP_7 },
+ { XK_8, XK_KP_8 },
+ { XK_9, XK_KP_9 },
+ { XK_equal, XK_KP_Equal },
+ { XK_asterisk, XK_KP_Multiply },
+ { XK_plus, XK_KP_Add },
+ { XK_comma, XK_KP_Separator },
+ { XK_minus, XK_KP_Subtract },
+ { XK_period, XK_KP_Decimal },
+ { XK_slash, XK_KP_Divide }
+};
+int const NUM_KEYPAD = sizeof(normal_to_keypad) / sizeof(normal_to_keypad[0]);
+
+static void DarwinChangeKeyboardControl( DeviceIntPtr device, KeybdCtrl *ctrl )
+{
+ // keyclick, bell volume / pitch, autorepead, LED's
+}
+
+static darwinKeyboardInfo keyInfo;
+static FILE *fref = NULL;
+static char *inBuffer = NULL;
+
+//-----------------------------------------------------------------------------
+// Data Stream Object
+// Can be configured to treat embedded "numbers" as being composed of
+// either 1, 2, or 4 bytes, apiece.
+//-----------------------------------------------------------------------------
+typedef struct _DataStream
+{
+ unsigned char const *data;
+ unsigned char const *data_end;
+ short number_size; // Size in bytes of a "number" in the stream.
+} DataStream;
+
+static DataStream* new_data_stream( unsigned char const* data, int size )
+{
+ DataStream* s = (DataStream*)xalloc( sizeof(DataStream) );
+ s->data = data;
+ s->data_end = data + size;
+ s->number_size = 1; // Default to byte-sized numbers.
+ return s;
+}
+
+static void destroy_data_stream( DataStream* s )
+{
+ xfree(s);
+}
+
+static unsigned char get_byte( DataStream* s )
+{
+ assert(s->data + 1 <= s->data_end);
+ return *s->data++;
+}
+
+static short get_word( DataStream* s )
+{
+ short hi, lo;
+ assert(s->data + 2 <= s->data_end);
+ hi = *s->data++;
+ lo = *s->data++;
+ return ((hi << 8) | lo);
+}
+
+static int get_dword( DataStream* s )
+{
+ int b1, b2, b3, b4;
+ assert(s->data + 4 <= s->data_end);
+ b4 = *s->data++;
+ b3 = *s->data++;
+ b2 = *s->data++;
+ b1 = *s->data++;
+ return ((b4 << 24) | (b3 << 16) | (b2 << 8) | b1);
+}
+
+static int get_number( DataStream* s )
+{
+ switch (s->number_size) {
+ case 4: return get_dword(s);
+ case 2: return get_word(s);
+ default: return get_byte(s);
+ }
+}
+
+//-----------------------------------------------------------------------------
+// Utility functions to help parse Darwin keymap
+//-----------------------------------------------------------------------------
+
+/*
+ * bits_set
+ * Calculate number of bits set in the modifier mask.
+ */
+static short bits_set( short mask )
+{
+ short n = 0;
+
+ for ( ; mask != 0; mask >>= 1)
+ if ((mask & 0x01) != 0)
+ n++;
+ return n;
+}
+
+/*
+ * parse_next_char_code
+ * Read the next character code from the Darwin keymapping
+ * and write it to the X keymap.
+ */
+static void parse_next_char_code(
+ DataStream *s,
+ KeySym *k )
+{
+ const short charSet = get_number(s);
+ const short charCode = get_number(s);
+
+ if (charSet == 0) { // ascii character
+ if (charCode >= 0 && charCode < 256)
+ *k = next_to_x[charCode];
+ } else if (charSet == 0x01) { // symbol character
+ if (charCode >= MIN_SYMBOL &&
+ charCode <= MIN_SYMBOL + NUM_SYMBOL)
+ *k = symbol_to_x[charCode - MIN_SYMBOL];
+ } else if (charSet == 0xFE) { // function key
+ if (charCode >= MIN_FUNCKEY &&
+ charCode <= MIN_FUNCKEY + NUM_FUNCKEY)
+ *k = funckey_to_x[charCode - MIN_FUNCKEY];
+ }
+}
+
+
+/*
+ * DarwinReadKeymapFile
+ * Read the appropriate keymapping from a keymapping file.
+ */
+Bool DarwinReadKeymapFile(
+ NXKeyMapping *keyMap)
+{
+ struct stat st;
+ NXEventSystemDevice info[20];
+ int interface = 0, handler_id = 0;
+ int map_interface, map_handler_id, map_size = 0;
+ unsigned int i, size;
+ int *bufferEnd;
+ union km_tag {
+ int *intP;
+ char *charP;
+ } km;
+
+ fref = fopen( darwinKeymapFile, "rb" );
+ if (fref == NULL) {
+ ErrorF("Unable to open keymapping file '%s' (errno %d).\n",
+ darwinKeymapFile, errno);
+ return FALSE;
+ }
+ if (fstat(fileno(fref), &st) == -1) {
+ ErrorF("Could not stat keymapping file '%s' (errno %d).\n",
+ darwinKeymapFile, errno);
+ return FALSE;
+ }
+
+ // check to make sure we don't crash later
+ if (st.st_size <= 16*sizeof(int)) {
+ ErrorF("Keymapping file '%s' is invalid (too small).\n",
+ darwinKeymapFile);
+ return FALSE;
+ }
+
+ inBuffer = (char*) xalloc( st.st_size );
+ bufferEnd = (int *) (inBuffer + st.st_size);
+ if (fread(inBuffer, st.st_size, 1, fref) != 1) {
+ ErrorF("Could not read %qd bytes from keymapping file '%s' (errno %d).\n",
+ st.st_size, darwinKeymapFile, errno);
+ return FALSE;
+ }
+
+ if (strncmp( inBuffer, "KYM1", 4 ) == 0) {
+ // Magic number OK.
+ } else if (strncmp( inBuffer, "KYMP", 4 ) == 0) {
+ ErrorF("Keymapping file '%s' is intended for use with the original NeXT keyboards and cannot be used by XDarwin.\n", darwinKeymapFile);
+ return FALSE;
+ } else {
+ ErrorF("Keymapping file '%s' has a bad magic number and cannot be used by XDarwin.\n", darwinKeymapFile);
+ return FALSE;
+ }
+
+ // find the keyboard interface and handler id
+ size = sizeof( info ) / sizeof( int );
+ if (!NXEventSystemInfo( darwinParamConnect, NX_EVS_DEVICE_INFO,
+ (NXEventSystemInfoType) info, &size )) {
+ ErrorF("Error reading event status driver info.\n");
+ return FALSE;
+ }
+
+ size = size * sizeof( int ) / sizeof( info[0] );
+ for( i = 0; i < size; i++) {
+ if (info[i].dev_type == NX_EVS_DEVICE_TYPE_KEYBOARD) {
+ Bool hasInterface = FALSE;
+ Bool hasMatch = FALSE;
+
+ interface = info[i].interface;
+ handler_id = info[i].id;
+
+ // Find an appropriate keymapping:
+ // The first time we try to match both interface and handler_id.
+ // If we can't match both, we take the first match for interface.
+
+ do {
+ km.charP = inBuffer;
+ km.intP++;
+ while (km.intP+3 < bufferEnd) {
+ map_interface = NXSwapBigIntToHost(*(km.intP++));
+ map_handler_id = NXSwapBigIntToHost(*(km.intP++));
+ map_size = NXSwapBigIntToHost(*(km.intP++));
+ if (map_interface == interface) {
+ if (map_handler_id == handler_id || hasInterface) {
+ hasMatch = TRUE;
+ break;
+ } else {
+ hasInterface = TRUE;
+ }
+ }
+ km.charP += map_size;
+ }
+ } while (hasInterface && !hasMatch);
+
+ if (hasMatch) {
+ // fill in NXKeyMapping structure
+ keyMap->size = map_size;
+ keyMap->mapping = (char*) xalloc(map_size);
+ memcpy(keyMap->mapping, km.charP, map_size);
+ return TRUE;
+ }
+ } // if dev_id == keyboard device
+ } // foreach info struct
+
+ // The keymapping file didn't match any of the info structs
+ // returned by NXEventSystemInfo.
+ ErrorF("Keymapping file '%s' did not contain appropriate keyboard interface.\n", darwinKeymapFile);
+ return FALSE;
+}
+
+
+/*
+ * DarwinParseNXKeyMapping
+ */
+Bool DarwinParseNXKeyMapping(
+ darwinKeyboardInfo *info)
+{
+ KeySym *k;
+ int i;
+ short numMods, numKeys, numPadKeys = 0;
+ Bool haveKeymap = FALSE;
+ NXKeyMapping keyMap;
+ DataStream *keyMapStream;
+ unsigned char const *numPadStart = 0;
+
+ if (darwinKeymapFile) {
+ haveKeymap = DarwinReadKeymapFile(&keyMap);
+ if (fref)
+ fclose(fref);
+ if (inBuffer)
+ xfree(inBuffer);
+ if (!haveKeymap) {
+ ErrorF("Reverting to kernel keymapping.\n");
+ }
+ }
+
+ if (!haveKeymap) {
+ // get the Darwin keyboard map
+ keyMap.size = NXKeyMappingLength( darwinParamConnect );
+ keyMap.mapping = (char*) xalloc( keyMap.size );
+ if (!NXGetKeyMapping( darwinParamConnect, &keyMap )) {
+ return FALSE;
+ }
+ }
+
+ keyMapStream = new_data_stream( (unsigned char const*)keyMap.mapping,
+ keyMap.size );
+
+ // check the type of map
+ if (get_word(keyMapStream)) {
+ keyMapStream->number_size = 2;
+ ErrorF("Current 16-bit keymapping may not be interpreted correctly.\n");
+ }
+
+ // Insert X modifier KeySyms into the keyboard map.
+ numMods = get_number(keyMapStream);
+ while (numMods-- > 0) {
+ int left = 1; // first keycode is left
+ short const charCode = get_number(keyMapStream);
+ short numKeyCodes = get_number(keyMapStream);
+
+ // This is just a marker, not a real modifier.
+ // Store numeric keypad keys for later.
+ if (charCode == NX_MODIFIERKEY_NUMERICPAD) {
+ numPadStart = keyMapStream->data;
+ numPadKeys = numKeyCodes;
+ }
+
+ while (numKeyCodes-- > 0) {
+ const short keyCode = get_number(keyMapStream);
+ if (charCode != NX_MODIFIERKEY_NUMERICPAD) {
+ switch (charCode) {
+ case NX_MODIFIERKEY_ALPHALOCK:
+ info->keyMap[keyCode * GLYPHS_PER_KEY] = XK_Caps_Lock;
+ break;
+ case NX_MODIFIERKEY_SHIFT:
+ info->keyMap[keyCode * GLYPHS_PER_KEY] =
+ (left ? XK_Shift_L : XK_Shift_R);
+ break;
+ case NX_MODIFIERKEY_CONTROL:
+ info->keyMap[keyCode * GLYPHS_PER_KEY] =
+ (left ? XK_Control_L : XK_Control_R);
+ break;
+ case NX_MODIFIERKEY_ALTERNATE:
+ info->keyMap[keyCode * GLYPHS_PER_KEY] =
+ (left ? XK_Mode_switch : XK_Alt_R);
+ break;
+ case NX_MODIFIERKEY_COMMAND:
+ info->keyMap[keyCode * GLYPHS_PER_KEY] =
+ (left ? XK_Meta_L : XK_Meta_R);
+ break;
+ case NX_MODIFIERKEY_SECONDARYFN:
+ info->keyMap[keyCode * GLYPHS_PER_KEY] =
+ (left ? XK_Control_L : XK_Control_R);
+ break;
+ case NX_MODIFIERKEY_HELP:
+ // Help is not an X11 modifier; treat as normal key
+ info->keyMap[keyCode * GLYPHS_PER_KEY] = XK_Help;
+ break;
+ }
+ }
+ left = 0;
+ }
+ }
+
+ // Convert the Darwin keyboard mapping to an X keyboard map.
+ // A key can have a different character code for each combination of
+ // modifiers. We currently ignore all modifier combinations except
+ // those with Shift, AlphaLock, and Alt.
+ numKeys = get_number(keyMapStream);
+ for (i = 0, k = info->keyMap; i < numKeys; i++, k += GLYPHS_PER_KEY) {
+ short const charGenMask = get_number(keyMapStream);
+ if (charGenMask != 0xFF) { // is key bound?
+ short numKeyCodes = 1 << bits_set(charGenMask);
+
+ // Record unmodified case
+ parse_next_char_code( keyMapStream, k );
+ numKeyCodes--;
+
+ // If AlphaLock and Shift modifiers produce different codes,
+ // we record the Shift case since X handles AlphaLock.
+ if (charGenMask & 0x01) { // AlphaLock
+ parse_next_char_code( keyMapStream, k+1 );
+ numKeyCodes--;
+ }
+
+ if (charGenMask & 0x02) { // Shift
+ parse_next_char_code( keyMapStream, k+1 );
+ numKeyCodes--;
+
+ if (charGenMask & 0x01) { // Shift-AlphaLock
+ get_number(keyMapStream); get_number(keyMapStream);
+ numKeyCodes--;
+ }
+ }
+
+ // Skip the Control cases
+ if (charGenMask & 0x04) { // Control
+ get_number(keyMapStream); get_number(keyMapStream);
+ numKeyCodes--;
+
+ if (charGenMask & 0x01) { // Control-AlphaLock
+ get_number(keyMapStream); get_number(keyMapStream);
+ numKeyCodes--;
+ }
+
+ if (charGenMask & 0x02) { // Control-Shift
+ get_number(keyMapStream); get_number(keyMapStream);
+ numKeyCodes--;
+
+ if (charGenMask & 0x01) { // Shift-Control-AlphaLock
+ get_number(keyMapStream); get_number(keyMapStream);
+ numKeyCodes--;
+ }
+ }
+ }
+
+ // Process Alt cases
+ if (charGenMask & 0x08) { // Alt
+ parse_next_char_code( keyMapStream, k+2 );
+ numKeyCodes--;
+
+ if (charGenMask & 0x01) { // Alt-AlphaLock
+ parse_next_char_code( keyMapStream, k+3 );
+ numKeyCodes--;
+ }
+
+ if (charGenMask & 0x02) { // Alt-Shift
+ parse_next_char_code( keyMapStream, k+3 );
+ numKeyCodes--;
+
+ if (charGenMask & 0x01) { // Alt-Shift-AlphaLock
+ get_number(keyMapStream); get_number(keyMapStream);
+ numKeyCodes--;
+ }
+ }
+ }
+
+ while (numKeyCodes-- > 0) {
+ get_number(keyMapStream); get_number(keyMapStream);
+ }
+
+ if (k[3] == k[2]) k[3] = NoSymbol;
+ if (k[2] == k[1]) k[2] = NoSymbol;
+ if (k[1] == k[0]) k[1] = NoSymbol;
+ if (k[0] == k[2] && k[1] == k[3]) k[2] = k[3] = NoSymbol;
+ }
+ }
+
+ // Now we have to go back through the list of keycodes that are on the
+ // numeric keypad and update the X keymap.
+ keyMapStream->data = numPadStart;
+ while(numPadKeys-- > 0) {
+ const short keyCode = get_number(keyMapStream);
+ k = &info->keyMap[keyCode * GLYPHS_PER_KEY];
+ for (i = 0; i < NUM_KEYPAD; i++) {
+ if (*k == normal_to_keypad[i].normalSym) {
+ k[0] = normal_to_keypad[i].keypadSym;
+ break;
+ }
+ }
+ }
+
+ // free Darwin keyboard map
+ destroy_data_stream( keyMapStream );
+ xfree( keyMap.mapping );
+
+ return TRUE;
+}
+
+
+/*
+ * DarwinBuildModifierMaps
+ * Use the keyMap field of keyboard info structure to populate
+ * the modMap and modifierKeycodes fields.
+ */
+static void
+DarwinBuildModifierMaps(
+ darwinKeyboardInfo *info)
+{
+ int i;
+ KeySym *k;
+
+ memset(info->modMap, NoSymbol, sizeof(info->modMap));
+ memset(info->modifierKeycodes, 0, sizeof(info->modifierKeycodes));
+
+ for (i = 0; i < NUM_KEYCODES; i++)
+ {
+ k = info->keyMap + i * GLYPHS_PER_KEY;
+
+ switch (k[0]) {
+ case XK_Shift_L:
+ info->modifierKeycodes[NX_MODIFIERKEY_SHIFT][0] = i;
+ info->modMap[MIN_KEYCODE + i] = ShiftMask;
+ break;
+
+ case XK_Shift_R:
+#ifdef NX_MODIFIERKEY_RSHIFT
+ info->modifierKeycodes[NX_MODIFIERKEY_RSHIFT][0] = i;
+#else
+ info->modifierKeycodes[NX_MODIFIERKEY_SHIFT][0] = i;
+#endif
+ info->modMap[MIN_KEYCODE + i] = ShiftMask;
+ break;
+
+ case XK_Control_L:
+ info->modifierKeycodes[NX_MODIFIERKEY_CONTROL][0] = i;
+ info->modMap[MIN_KEYCODE + i] = ControlMask;
+ break;
+
+ case XK_Control_R:
+#ifdef NX_MODIFIERKEY_RCONTROL
+ info->modifierKeycodes[NX_MODIFIERKEY_RCONTROL][0] = i;
+#else
+ info->modifierKeycodes[NX_MODIFIERKEY_CONTROL][0] = i;
+#endif
+ info->modMap[MIN_KEYCODE + i] = ControlMask;
+ break;
+
+ case XK_Caps_Lock:
+ info->modifierKeycodes[NX_MODIFIERKEY_ALPHALOCK][0] = i;
+ info->modMap[MIN_KEYCODE + i] = LockMask;
+ break;
+
+ case XK_Alt_L:
+ info->modifierKeycodes[NX_MODIFIERKEY_ALTERNATE][0] = i;
+ info->modMap[MIN_KEYCODE + i] = Mod1Mask;
+ break;
+
+ case XK_Alt_R:
+#ifdef NX_MODIFIERKEY_RALTERNATE
+ info->modifierKeycodes[NX_MODIFIERKEY_RALTERNATE][0] = i;
+#else
+ info->modifierKeycodes[NX_MODIFIERKEY_ALTERNATE][0] = i;
+#endif
+ info->modMap[MIN_KEYCODE + i] = Mod1Mask;
+ break;
+
+ case XK_Mode_switch:
+ info->modMap[MIN_KEYCODE + i] = Mod1Mask;
+ break;
+
+ case XK_Meta_L:
+ info->modifierKeycodes[NX_MODIFIERKEY_COMMAND][0] = i;
+ info->modMap[MIN_KEYCODE + i] = Mod2Mask;
+ break;
+
+ case XK_Meta_R:
+#ifdef NX_MODIFIERKEY_RCOMMAND
+ info->modifierKeycodes[NX_MODIFIERKEY_RCOMMAND][0] = i;
+#else
+ info->modifierKeycodes[NX_MODIFIERKEY_COMMAND][0] = i;
+#endif
+ info->modMap[MIN_KEYCODE + i] = Mod2Mask;
+ break;
+
+ case XK_Num_Lock:
+ info->modMap[MIN_KEYCODE + i] = Mod3Mask;
+ break;
+ }
+
+ if (darwinSwapAltMeta)
+ {
+ switch (k[0])
+ {
+ case XK_Alt_L:
+ k[0] = XK_Meta_L;
+ break;
+ case XK_Alt_R:
+ k[0] = XK_Meta_R;
+ break;
+ case XK_Meta_L:
+ k[0] = XK_Alt_L;
+ break;
+ case XK_Meta_R:
+ k[0] = XK_Alt_R;
+ break;
+ }
+ }
+
+#if ALT_IS_MODE_SWITCH
+ if (k[0] == XK_Alt_L)
+ k[0] = XK_Mode_switch;
+#endif
+ }
+}
+
+
+/*
+ * DarwinLoadKeyboardMapping
+ * Load the keyboard map from a file or system and convert
+ * it to an equivalent X keyboard map and modifier map.
+ */
+static void
+DarwinLoadKeyboardMapping(KeySymsRec *keySyms)
+{
+ memset(keyInfo.keyMap, 0, sizeof(keyInfo.keyMap));
+
+ if (!DarwinParseNXKeyMapping(&keyInfo)) {
+ if (!DarwinModeReadSystemKeymap(&keyInfo)) {
+ FatalError("Could not build a valid keymap.");
+ }
+ }
+
+ DarwinBuildModifierMaps(&keyInfo);
+
+#ifdef DUMP_DARWIN_KEYMAP
+ ErrorF("Darwin -> X converted keyboard map\n");
+ for (i = 0, k = info->keyMap; i < NX_NUMKEYCODES;
+ i++, k += GLYPHS_PER_KEY)
+ {
+ int j;
+ ErrorF("0x%02x:", i);
+ for (j = 0; j < GLYPHS_PER_KEY; j++) {
+ if (k[j] == NoSymbol) {
+ ErrorF("\tNoSym");
+ } else {
+ ErrorF("\t0x%x", k[j]);
+ }
+ }
+ ErrorF("\n");
+ }
+#endif
+
+ keySyms->map = keyInfo.keyMap;
+ keySyms->mapWidth = GLYPHS_PER_KEY;
+ keySyms->minKeyCode = MIN_KEYCODE;
+ keySyms->maxKeyCode = MAX_KEYCODE;
+}
+
+
+/*
+ * DarwinKeyboardInit
+ * Get the Darwin keyboard map and compute an equivalent
+ * X keyboard map and modifier map. Set the new keyboard
+ * device structure.
+ */
+void DarwinKeyboardInit(
+ DeviceIntPtr pDev )
+{
+ KeySymsRec keySyms;
+
+ // Open a shared connection to the HID System.
+ // Note that the Event Status Driver is really just a wrapper
+ // for a kIOHIDParamConnectType connection.
+ assert( darwinParamConnect = NXOpenEventStatus() );
+
+ DarwinLoadKeyboardMapping(&keySyms);
+
+ /* Initialize the seed, so we don't reload the keymap unnecessarily
+ (and possibly overwrite xinitrc changes) */
+ DarwinModeSystemKeymapSeed();
+
+ assert( InitKeyboardDeviceStruct( (DevicePtr)pDev, &keySyms,
+ keyInfo.modMap, DarwinModeBell,
+ DarwinChangeKeyboardControl ));
+}
+
+
+/* Borrowed from dix/devices.c */
+static Bool
+InitModMap(register KeyClassPtr keyc)
+{
+ int i, j;
+ CARD8 keysPerModifier[8];
+ CARD8 mask;
+
+ if (keyc->modifierKeyMap != NULL)
+ xfree (keyc->modifierKeyMap);
+
+ keyc->maxKeysPerModifier = 0;
+ for (i = 0; i < 8; i++)
+ keysPerModifier[i] = 0;
+ for (i = 8; i < MAP_LENGTH; i++)
+ {
+ for (j = 0, mask = 1; j < 8; j++, mask <<= 1)
+ {
+ if (mask & keyc->modifierMap[i])
+ {
+ if (++keysPerModifier[j] > keyc->maxKeysPerModifier)
+ keyc->maxKeysPerModifier = keysPerModifier[j];
+ }
+ }
+ }
+ keyc->modifierKeyMap = (KeyCode *)xalloc(8*keyc->maxKeysPerModifier);
+ if (!keyc->modifierKeyMap && keyc->maxKeysPerModifier)
+ return (FALSE);
+ bzero((char *)keyc->modifierKeyMap, 8*(int)keyc->maxKeysPerModifier);
+ for (i = 0; i < 8; i++)
+ keysPerModifier[i] = 0;
+ for (i = 8; i < MAP_LENGTH; i++)
+ {
+ for (j = 0, mask = 1; j < 8; j++, mask <<= 1)
+ {
+ if (mask & keyc->modifierMap[i])
+ {
+ keyc->modifierKeyMap[(j*keyc->maxKeysPerModifier) +
+ keysPerModifier[j]] = i;
+ keysPerModifier[j]++;
+ }
+ }
+ }
+ return TRUE;
+}
+
+
+void
+DarwinKeyboardReload(DeviceIntPtr pDev)
+{
+ KeySymsRec keySyms;
+
+ DarwinLoadKeyboardMapping(&keySyms);
+
+ if (SetKeySymsMap(&pDev->key->curKeySyms, &keySyms)) {
+ /* now try to update modifiers. */
+
+ memmove(pDev->key->modifierMap, keyInfo.modMap, MAP_LENGTH);
+ InitModMap(pDev->key);
+ }
+
+ SendMappingNotify(MappingKeyboard, MIN_KEYCODE, NUM_KEYCODES, 0);
+ SendMappingNotify(MappingModifier, 0, 0, 0);
+}
+
+
+//-----------------------------------------------------------------------------
+// Modifier translation functions
+//
+// There are three different ways to specify a Mac modifier key:
+// keycode - specifies hardware key, read from keymapping
+// key - NX_MODIFIERKEY_*, really an index
+// mask - NX_*MASK, mask for modifier flags in event record
+// Left and right side have different keycodes but the same key and mask.
+//-----------------------------------------------------------------------------
+
+/*
+ * DarwinModifierNXKeyToNXKeycode
+ * Return the keycode for an NX_MODIFIERKEY_* modifier.
+ * side = 0 for left or 1 for right.
+ * Returns 0 if key+side is not a known modifier.
+ */
+int DarwinModifierNXKeyToNXKeycode(int key, int side)
+{
+ return keyInfo.modifierKeycodes[key][side];
+}
+
+/*
+ * DarwinModifierNXKeycodeToNXKey
+ * Returns -1 if keycode+side is not a modifier key
+ * outSide may be NULL, else it gets 0 for left and 1 for right.
+ */
+int DarwinModifierNXKeycodeToNXKey(unsigned char keycode, int *outSide)
+{
+ int key, side;
+
+ keycode += MIN_KEYCODE;
+ // search modifierKeycodes for this keycode+side
+ for (key = 0; key < NX_NUMMODIFIERS; key++) {
+ for (side = 0; side <= 1; side++) {
+ if (keyInfo.modifierKeycodes[key][side] == keycode) break;
+ }
+ }
+ if (key == NX_NUMMODIFIERS) return -1;
+ if (outSide) *outSide = side;
+ return key;
+}
+
+/*
+ * DarwinModifierNXMaskToNXKey
+ * Returns -1 if mask is not a known modifier mask.
+ */
+int DarwinModifierNXMaskToNXKey(int mask)
+{
+ switch (mask) {
+ case NX_ALPHASHIFTMASK: return NX_MODIFIERKEY_ALPHALOCK;
+ case NX_SHIFTMASK: return NX_MODIFIERKEY_SHIFT;
+#ifdef NX_DEVICELSHIFTKEYMASK
+ case NX_DEVICELSHIFTKEYMASK: return NX_MODIFIERKEY_SHIFT;
+ case NX_DEVICERSHIFTKEYMASK: return NX_MODIFIERKEY_RSHIFT;
+#endif
+ case NX_CONTROLMASK: return NX_MODIFIERKEY_CONTROL;
+#ifdef NX_DEVICELCTLKEYMASK
+ case NX_DEVICELCTLKEYMASK: return NX_MODIFIERKEY_CONTROL;
+ case NX_DEVICERCTLKEYMASK: return NX_MODIFIERKEY_RCONTROL;
+#endif
+ case NX_ALTERNATEMASK: return NX_MODIFIERKEY_ALTERNATE;
+#ifdef NX_DEVICELALTKEYMASK
+ case NX_DEVICELALTKEYMASK: return NX_MODIFIERKEY_ALTERNATE;
+ case NX_DEVICERALTKEYMASK: return NX_MODIFIERKEY_RALTERNATE;
+#endif
+ case NX_COMMANDMASK: return NX_MODIFIERKEY_COMMAND;
+#ifdef NX_DEVICELCMDKEYMASK
+ case NX_DEVICELCMDKEYMASK: return NX_MODIFIERKEY_COMMAND;
+ case NX_DEVICERCMDKEYMASK: return NX_MODIFIERKEY_RCOMMAND;
+#endif
+ case NX_NUMERICPADMASK: return NX_MODIFIERKEY_NUMERICPAD;
+ case NX_HELPMASK: return NX_MODIFIERKEY_HELP;
+ case NX_SECONDARYFNMASK: return NX_MODIFIERKEY_SECONDARYFN;
+ }
+ return -1;
+}
+
+/*
+ * DarwinModifierNXKeyToNXMask
+ * Returns 0 if key is not a known modifier key.
+ */
+int DarwinModifierNXKeyToNXMask(int key)
+{
+ switch (key) {
+ case NX_MODIFIERKEY_ALPHALOCK: return NX_ALPHASHIFTMASK;
+ case NX_MODIFIERKEY_SHIFT: return NX_SHIFTMASK;
+#ifdef NX_MODIFIERKEY_RSHIFT
+ case NX_MODIFIERKEY_RSHIFT: return NX_SHIFTMASK;
+#endif
+ case NX_MODIFIERKEY_CONTROL: return NX_CONTROLMASK;
+#ifdef NX_MODIFIERKEY_RCONTROL
+ case NX_MODIFIERKEY_RCONTROL: return NX_CONTROLMASK;
+#endif
+ case NX_MODIFIERKEY_ALTERNATE: return NX_ALTERNATEMASK;
+#ifdef NX_MODIFIERKEY_RALTERNATE
+ case NX_MODIFIERKEY_RALTERNATE: return NX_ALTERNATEMASK;
+#endif
+ case NX_MODIFIERKEY_COMMAND: return NX_COMMANDMASK;
+#ifdef NX_MODIFIERKEY_RCOMMAND
+ case NX_MODIFIERKEY_RCOMMAND: return NX_COMMANDMASK;
+#endif
+ case NX_MODIFIERKEY_NUMERICPAD: return NX_NUMERICPADMASK;
+ case NX_MODIFIERKEY_HELP: return NX_HELPMASK;
+ case NX_MODIFIERKEY_SECONDARYFN: return NX_SECONDARYFNMASK;
+ }
+ return 0;
+}
+
+/*
+ * DarwinModifierStringToNXKey
+ * Returns -1 if string is not a known modifier.
+ */
+int DarwinModifierStringToNXKey(const char *str)
+{
+ if (!strcasecmp(str, "shift")) return NX_MODIFIERKEY_SHIFT;
+ else if (!strcasecmp(str, "control")) return NX_MODIFIERKEY_CONTROL;
+ else if (!strcasecmp(str, "option")) return NX_MODIFIERKEY_ALTERNATE;
+ else if (!strcasecmp(str, "command")) return NX_MODIFIERKEY_COMMAND;
+ else if (!strcasecmp(str, "fn")) return NX_MODIFIERKEY_SECONDARYFN;
+ else return -1;
+}
+
+/*
+ * LegalModifier
+ * This allows the ddx layer to prevent some keys from being remapped
+ * as modifier keys.
+ */
+Bool LegalModifier(unsigned int key, DevicePtr pDev)
+{
+ return 1;
+}