Add Dvorak keyboard layout.
Added support for mapping both scan codes and HID usages to
KeyLayoutMap and KeyCharacterMap. Keyboard overlays can
now influence how key events are mapped to key codes.
Bug: 6110399
Change-Id: I6619fd2d3e1337c55928f89869dbc45b535c7ccf
diff --git a/libs/androidfw/KeyCharacterMap.cpp b/libs/androidfw/KeyCharacterMap.cpp
index 66fdfd7..c8f9439 100644
--- a/libs/androidfw/KeyCharacterMap.cpp
+++ b/libs/androidfw/KeyCharacterMap.cpp
@@ -90,7 +90,8 @@
}
KeyCharacterMap::KeyCharacterMap(const KeyCharacterMap& other) :
- RefBase(), mType(other.mType) {
+ RefBase(), mType(other.mType), mKeysByScanCode(other.mKeysByScanCode),
+ mKeysByUsageCode(other.mKeysByUsageCode) {
for (size_t i = 0; i < other.mKeys.size(); i++) {
mKeys.add(other.mKeys.keyAt(i), new Key(*other.mKeys.valueAt(i)));
}
@@ -180,6 +181,16 @@
map->mKeys.add(keyCode, new Key(*key));
}
}
+
+ for (size_t i = 0; i < overlay->mKeysByScanCode.size(); i++) {
+ map->mKeysByScanCode.replaceValueFor(overlay->mKeysByScanCode.keyAt(i),
+ overlay->mKeysByScanCode.valueAt(i));
+ }
+
+ for (size_t i = 0; i < overlay->mKeysByUsageCode.size(); i++) {
+ map->mKeysByUsageCode.replaceValueFor(overlay->mKeysByUsageCode.keyAt(i),
+ overlay->mKeysByUsageCode.valueAt(i));
+ }
return map;
}
@@ -315,6 +326,37 @@
return true;
}
+status_t KeyCharacterMap::mapKey(int32_t scanCode, int32_t usageCode, int32_t* outKeyCode) const {
+ if (usageCode) {
+ ssize_t index = mKeysByUsageCode.indexOfKey(usageCode);
+ if (index >= 0) {
+#if DEBUG_MAPPING
+ ALOGD("mapKey: scanCode=%d, usageCode=0x%08x ~ Result keyCode=%d.",
+ scanCode, usageCode, *outKeyCode);
+#endif
+ *outKeyCode = mKeysByUsageCode.valueAt(index);
+ return OK;
+ }
+ }
+ if (scanCode) {
+ ssize_t index = mKeysByScanCode.indexOfKey(scanCode);
+ if (index >= 0) {
+#if DEBUG_MAPPING
+ ALOGD("mapKey: scanCode=%d, usageCode=0x%08x ~ Result keyCode=%d.",
+ scanCode, usageCode, *outKeyCode);
+#endif
+ *outKeyCode = mKeysByScanCode.valueAt(index);
+ return OK;
+ }
+ }
+
+#if DEBUG_MAPPING
+ ALOGD("mapKey: scanCode=%d, usageCode=0x%08x ~ Failed.", scanCode, usageCode);
+#endif
+ *outKeyCode = AKEYCODE_UNKNOWN;
+ return NAME_NOT_FOUND;
+}
+
bool KeyCharacterMap::getKey(int32_t keyCode, const Key** outKey) const {
ssize_t index = mKeys.indexOfKey(keyCode);
if (index >= 0) {
@@ -616,6 +658,10 @@
mTokenizer->skipDelimiters(WHITESPACE);
status_t status = parseType();
if (status) return status;
+ } else if (keywordToken == "map") {
+ mTokenizer->skipDelimiters(WHITESPACE);
+ status_t status = parseMap();
+ if (status) return status;
} else if (keywordToken == "key") {
mTokenizer->skipDelimiters(WHITESPACE);
status_t status = parseKey();
@@ -710,6 +756,58 @@
return NO_ERROR;
}
+status_t KeyCharacterMap::Parser::parseMap() {
+ String8 keywordToken = mTokenizer->nextToken(WHITESPACE);
+ if (keywordToken == "key") {
+ mTokenizer->skipDelimiters(WHITESPACE);
+ return parseMapKey();
+ }
+ ALOGE("%s: Expected keyword after 'map', got '%s'.", mTokenizer->getLocation().string(),
+ keywordToken.string());
+ return BAD_VALUE;
+}
+
+status_t KeyCharacterMap::Parser::parseMapKey() {
+ String8 codeToken = mTokenizer->nextToken(WHITESPACE);
+ bool mapUsage = false;
+ if (codeToken == "usage") {
+ mapUsage = true;
+ mTokenizer->skipDelimiters(WHITESPACE);
+ codeToken = mTokenizer->nextToken(WHITESPACE);
+ }
+
+ char* end;
+ int32_t code = int32_t(strtol(codeToken.string(), &end, 0));
+ if (*end) {
+ ALOGE("%s: Expected key %s number, got '%s'.", mTokenizer->getLocation().string(),
+ mapUsage ? "usage" : "scan code", codeToken.string());
+ return BAD_VALUE;
+ }
+ KeyedVector<int32_t, int32_t>& map =
+ mapUsage ? mMap->mKeysByUsageCode : mMap->mKeysByScanCode;
+ if (map.indexOfKey(code) >= 0) {
+ ALOGE("%s: Duplicate entry for key %s '%s'.", mTokenizer->getLocation().string(),
+ mapUsage ? "usage" : "scan code", codeToken.string());
+ return BAD_VALUE;
+ }
+
+ mTokenizer->skipDelimiters(WHITESPACE);
+ String8 keyCodeToken = mTokenizer->nextToken(WHITESPACE);
+ int32_t keyCode = getKeyCodeByLabel(keyCodeToken.string());
+ if (!keyCode) {
+ ALOGE("%s: Expected key code label, got '%s'.", mTokenizer->getLocation().string(),
+ keyCodeToken.string());
+ return BAD_VALUE;
+ }
+
+#if DEBUG_PARSER
+ ALOGD("Parsed map key %s: code=%d, keyCode=%d.",
+ mapUsage ? "usage" : "scan code", code, keyCode);
+#endif
+ map.add(code, keyCode);
+ return NO_ERROR;
+}
+
status_t KeyCharacterMap::Parser::parseKey() {
String8 keyCodeToken = mTokenizer->nextToken(WHITESPACE);
int32_t keyCode = getKeyCodeByLabel(keyCodeToken.string());