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XQuartz: Dead code removal

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(cherry picked from commit 43184cd379c4fb7254391b8a362016cbf89b5529)
This commit is contained in:
Jeremy Huddleston 2008-09-05 17:32:16 -07:00
commit 999f3362d5
7 changed files with 5 additions and 534 deletions
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438
hw/xquartz/quartzKeyboard.c
View file

@ -5,9 +5,6 @@
Copyright (c) 2001-2004 Torrey T. Lyons. 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.
@ -40,9 +37,6 @@
#include <dix-config.h>
#endif
// Define this to get a diagnostic output to stderr which is helpful
// in determining how the X server is interpreting the Darwin keymap.
#define DUMP_DARWIN_KEYMAP
//#define XQUARTZ_USE_XKB
#define HACK_MISSING 1
#define HACK_KEYPAD 1
@ -310,8 +304,6 @@ const static struct {
};
darwinKeyboardInfo keyInfo;
static FILE *fref = NULL;
static char *inBuffer = NULL;
static void DarwinChangeKeyboardControl( DeviceIntPtr device, KeybdCtrl *ctrl )
{
@ -319,411 +311,10 @@ static void DarwinChangeKeyboardControl( DeviceIntPtr device, KeybdCtrl *ctrl )
// keyclick, bell volume / pitch, autorepead, LED's
}
//-----------------------------------------------------------------------------
// 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) );
if(s) {
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.
*/
static 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': %s.\n",
darwinKeymapFile, strerror(errno));
return FALSE;
}
if (fstat(fileno(fref), &st) == -1) {
ErrorF("Could not stat keymapping file '%s': %s.\n",
darwinKeymapFile, strerror(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': %s.\n",
st.st_size, darwinKeymapFile, strerror(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
*/
static 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] = XK_Mode_switch;
info->keyMap[keyCode * GLYPHS_PER_KEY] =
(left ? XK_Alt_L : 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
@ -822,37 +413,12 @@ static void DarwinBuildModifierMaps(darwinKeyboardInfo *info) {
static void DarwinLoadKeyboardMapping(KeySymsRec *keySyms) {
memset(keyInfo.keyMap, 0, sizeof(keyInfo.keyMap));
/* TODO: Clean this up
* QuartzReadSystemKeymap is in quartz/quartzKeyboard.c
* DarwinParseNXKeyMapping is here
*/
if (!DarwinParseNXKeyMapping(&keyInfo)) {
DEBUG_LOG("DarwinParseNXKeyMapping returned 0... running QuartzReadSystemKeymap().\n");
if (!QuartzReadSystemKeymap(&keyInfo)) {
FatalError("Could not build a valid keymap.");
}
if (!QuartzReadSystemKeymap(&keyInfo)) {
FatalError("Could not build a valid keymap.");
}
DarwinBuildModifierMaps(&keyInfo);
#ifdef DUMP_DARWIN_KEYMAP
int i;
KeySym *k;
DEBUG_LOG("Darwin -> X converted keyboard map\n");
for (i = 0, k = keyInfo.keyMap; i < NX_NUMKEYCODES;
i++, k += GLYPHS_PER_KEY)
{
int j;
for (j = 0; j < GLYPHS_PER_KEY; j++) {
if (k[j] == NoSymbol) {
DEBUG_LOG("0x%02x:\tNoSym\n", i);
} else {
DEBUG_LOG("0x%02x:\t0x%lx\n", i, k[j]);
}
}
}
#endif
keySyms->map = keyInfo.keyMap;
keySyms->mapWidth = GLYPHS_PER_KEY;
keySyms->minKeyCode = MIN_KEYCODE;