diff options
Diffstat (limited to 'libs/ui/KeyCharacterMap.cpp')
| -rw-r--r-- | libs/ui/KeyCharacterMap.cpp | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/libs/ui/KeyCharacterMap.cpp b/libs/ui/KeyCharacterMap.cpp deleted file mode 100644 index e891181..0000000 --- a/libs/ui/KeyCharacterMap.cpp +++ /dev/null @@ -1,263 +0,0 @@ -#define LOG_TAG "KeyCharacterMap" - -#include <ui/KeyCharacterMap.h> -#include <cutils/properties.h> - -#include <utils/Log.h> -#include <sys/types.h> -#include <unistd.h> -#include <stdlib.h> -#include <fcntl.h> -#include <limits.h> -#include <string.h> - -struct Header -{ - char magic[8]; - unsigned int endian; - unsigned int version; - unsigned int keycount; - unsigned char kbdtype; - char padding[11]; -}; - -KeyCharacterMap::KeyCharacterMap() -{ -} - -KeyCharacterMap::~KeyCharacterMap() -{ - free(m_keys); -} - -unsigned short -KeyCharacterMap::get(int keycode, int meta) -{ - Key* k = find_key(keycode); - if (k != NULL) { - return k->data[meta & META_MASK]; - } - return 0; -} - -unsigned short -KeyCharacterMap::getNumber(int keycode) -{ - Key* k = find_key(keycode); - if (k != NULL) { - return k->number; - } - return 0; -} - -unsigned short -KeyCharacterMap::getMatch(int keycode, const unsigned short* chars, - int charsize, uint32_t modifiers) -{ - Key* k = find_key(keycode); - modifiers &= 3; // ignore the SYM key because we don't have keymap entries for it - if (k != NULL) { - const uint16_t* data = k->data; - for (int j=0; j<charsize; j++) { - uint16_t c = chars[j]; - for (int i=0; i<(META_MASK + 1); i++) { - if ((modifiers == 0) || ((modifiers & i) != 0)) { - if (c == data[i]) { - return c; - } - } - } - } - } - return 0; -} - -unsigned short -KeyCharacterMap::getDisplayLabel(int keycode) -{ - Key* k = find_key(keycode); - if (k != NULL) { - return k->display_label; - } - return 0; -} - -bool -KeyCharacterMap::getKeyData(int keycode, unsigned short *displayLabel, - unsigned short *number, unsigned short* results) -{ - Key* k = find_key(keycode); - if (k != NULL) { - memcpy(results, k->data, sizeof(short)*(META_MASK + 1)); - *number = k->number; - *displayLabel = k->display_label; - return true; - } else { - return false; - } -} - -bool -KeyCharacterMap::find_char(uint16_t c, uint32_t* key, uint32_t* mods) -{ - uint32_t N = m_keyCount; - for (int j=0; j<(META_MASK + 1); j++) { - Key const* keys = m_keys; - for (uint32_t i=0; i<N; i++) { - if (keys->data[j] == c) { - *key = keys->keycode; - *mods = j; - return true; - } - keys++; - } - } - return false; -} - -bool -KeyCharacterMap::getEvents(uint16_t* chars, size_t len, - Vector<int32_t>* keys, Vector<uint32_t>* modifiers) -{ - for (size_t i=0; i<len; i++) { - uint32_t k, mods; - if (find_char(chars[i], &k, &mods)) { - keys->add(k); - modifiers->add(mods); - } else { - return false; - } - } - return true; -} - -KeyCharacterMap::Key* -KeyCharacterMap::find_key(int keycode) -{ - Key* keys = m_keys; - int low = 0; - int high = m_keyCount - 1; - int mid; - int n; - while (low <= high) { - mid = (low + high) / 2; - n = keys[mid].keycode; - if (keycode < n) { - high = mid - 1; - } else if (keycode > n) { - low = mid + 1; - } else { - return keys + mid; - } - } - return NULL; -} - -KeyCharacterMap* -KeyCharacterMap::load(int id) -{ - KeyCharacterMap* rv = NULL; - char path[PATH_MAX]; - char propName[100]; - char dev[PROPERTY_VALUE_MAX]; - char tmpfn[PROPERTY_VALUE_MAX]; - int err; - const char* root = getenv("ANDROID_ROOT"); - - sprintf(propName, "hw.keyboards.%u.devname", id); - err = property_get(propName, dev, ""); - if (err > 0) { - // replace all the spaces with underscores - strcpy(tmpfn, dev); - for (char *p = strchr(tmpfn, ' '); p && *p; p = strchr(tmpfn, ' ')) - *p = '_'; - snprintf(path, sizeof(path), "%s/usr/keychars/%s.kcm.bin", root, tmpfn); - //LOGD("load: dev='%s' path='%s'\n", dev, path); - rv = try_file(path); - if (rv != NULL) { - return rv; - } - LOGW("Error loading keycharmap file '%s'. %s='%s'", path, propName, dev); - } else { - LOGW("No keyboard for id %d", id); - } - - snprintf(path, sizeof(path), "%s/usr/keychars/qwerty.kcm.bin", root); - rv = try_file(path); - if (rv == NULL) { - LOGE("Can't find any keycharmaps (also tried %s)", path); - return NULL; - } - LOGW("Using default keymap: %s", path); - - return rv; -} - -KeyCharacterMap* -KeyCharacterMap::try_file(const char* filename) -{ - KeyCharacterMap* rv = NULL; - Key* keys; - int fd; - off_t filesize; - Header header; - int err; - - fd = open(filename, O_RDONLY); - if (fd == -1) { - LOGW("Can't open keycharmap file"); - return NULL; - } - - filesize = lseek(fd, 0, SEEK_END); - lseek(fd, 0, SEEK_SET); - - // validate the header - if (filesize <= (off_t)sizeof(header)) { - LOGW("Bad keycharmap - filesize=%d\n", (int)filesize); - goto cleanup1; - } - - err = read(fd, &header, sizeof(header)); - if (err == -1) { - LOGW("Error reading keycharmap file"); - goto cleanup1; - } - - if (0 != memcmp(header.magic, "keychar", 8)) { - LOGW("Bad keycharmap magic token"); - goto cleanup1; - } - if (header.endian != 0x12345678) { - LOGW("Bad keycharmap endians"); - goto cleanup1; - } - if ((header.version & 0xff) != 2) { - LOGW("Only support keycharmap version 2 (got 0x%08x)", header.version); - goto cleanup1; - } - if (filesize < (off_t)(sizeof(Header)+(sizeof(Key)*header.keycount))) { - LOGW("Bad keycharmap file size\n"); - goto cleanup1; - } - - // read the key data - keys = (Key*)malloc(sizeof(Key)*header.keycount); - err = read(fd, keys, sizeof(Key)*header.keycount); - if (err == -1) { - LOGW("Error reading keycharmap file"); - free(keys); - goto cleanup1; - } - - // return the object - rv = new KeyCharacterMap; - rv->m_keyCount = header.keycount; - rv->m_keys = keys; - rv->m_type = header.kbdtype; - -cleanup1: - close(fd); - - return rv; -} |