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Diffstat (limited to 'nx-X11/programs/Xserver/hw/darwin/darwinKeyboard.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/darwin/darwinKeyboard.c | 1027 |
1 files changed, 1027 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/darwin/darwinKeyboard.c b/nx-X11/programs/Xserver/hw/darwin/darwinKeyboard.c new file mode 100644 index 000000000..dbc449dc3 --- /dev/null +++ b/nx-X11/programs/Xserver/hw/darwin/darwinKeyboard.c @@ -0,0 +1,1027 @@ +//============================================================================= +// +// 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; +} |