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Merge "Joystick tweaks."

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This commit is contained in:
Jeff Brown 2011-03-04 19:07:49 -08:00 committed by Android (Google) Code Review
commit 3a9bdac172
3 changed files with 122 additions and 14 deletions
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34
include/ui/KeyLayoutMap.h
View File

@ -24,6 +24,36 @@
namespace android {
struct AxisInfo {
enum Mode {
// Axis value is reported directly.
MODE_NORMAL = 0,
// Axis value should be inverted before reporting.
MODE_INVERT = 1,
// Axis value should be split into two axes
MODE_SPLIT = 2,
};
// Axis mode.
Mode mode;
// Axis id.
// When split, this is the axis used for values smaller than the split position.
int32_t axis;
// When split, this is the axis used for values after higher than the split position.
int32_t highAxis;
// The split value, or 0 if not split.
int32_t splitValue;
// The flat value, or -1 if none.
int32_t flatOverride;
AxisInfo() : mode(MODE_NORMAL), axis(-1), highAxis(-1), splitValue(0), flatOverride(-1) {
}
};
/**
* Describes a mapping from keyboard scan codes and joystick axes to Android key codes and axes.
*/
@ -36,7 +66,7 @@ public:
status_t mapKey(int32_t scanCode, int32_t* keyCode, uint32_t* flags) const;
status_t findScanCodesForKey(int32_t keyCode, Vector<int32_t>* outScanCodes) const;
status_t mapAxis(int32_t scanCode, int32_t* axis) const;
status_t mapAxis(int32_t scanCode, AxisInfo* outAxisInfo) const;
private:
struct Key {
@ -45,7 +75,7 @@ private:
};
KeyedVector<int32_t, Key> mKeys;
KeyedVector<int32_t, int32_t> mAxes;
KeyedVector<int32_t, AxisInfo> mAxes;
KeyLayoutMap();

5
include/ui/KeycodeLabels.h
View File

@ -270,6 +270,11 @@ static const KeycodeLabel AXES[] = {
{ "HAT_Y", 16 },
{ "LTRIGGER", 17 },
{ "RTRIGGER", 18 },
{ "THROTTLE", 19 },
{ "RUDDER", 20 },
{ "WHEEL", 21 },
{ "GAS", 22 },
{ "BRAKE", 23 },
{ "GENERIC_1", 32 },
{ "GENERIC_2", 33 },
{ "GENERIC_3", 34 },

93
libs/ui/KeyLayoutMap.cpp
View File

@ -113,20 +113,23 @@ status_t KeyLayoutMap::findScanCodesForKey(int32_t keyCode, Vector<int32_t>* out
return NO_ERROR;
}
status_t KeyLayoutMap::mapAxis(int32_t scanCode, int32_t* axis) const {
status_t KeyLayoutMap::mapAxis(int32_t scanCode, AxisInfo* outAxisInfo) const {
ssize_t index = mAxes.indexOfKey(scanCode);
if (index < 0) {
#if DEBUG_MAPPING
LOGD("mapAxis: scanCode=%d ~ Failed.", scanCode);
#endif
*axis = -1;
return NAME_NOT_FOUND;
}
*axis = mAxes.valueAt(index);
*outAxisInfo = mAxes.valueAt(index);
#if DEBUG_MAPPING
LOGD("mapAxis: scanCode=%d ~ Result axis=%d.", scanCode, *axis);
LOGD("mapAxis: scanCode=%d ~ Result mode=%d, axis=%d, highAxis=%d, "
"splitValue=%d, flatOverride=%d.",
scanCode,
outAxisInfo->mode, outAxisInfo->axis, outAxisInfo->highAxis,
outAxisInfo->splitValue, outAxisInfo->flatOverride);
#endif
return NO_ERROR;
}
@ -249,19 +252,89 @@ status_t KeyLayoutMap::Parser::parseAxis() {
return BAD_VALUE;
}
AxisInfo axisInfo;
mTokenizer->skipDelimiters(WHITESPACE);
String8 token = mTokenizer->nextToken(WHITESPACE);
if (token == "invert") {
axisInfo.mode = AxisInfo::MODE_INVERT;
mTokenizer->skipDelimiters(WHITESPACE);
String8 axisToken = mTokenizer->nextToken(WHITESPACE);
int32_t axis = getAxisByLabel(axisToken.string());
if (axis < 0) {
LOGE("%s: Expected axis label, got '%s'.", mTokenizer->getLocation().string(),
axisToken.string());
axisInfo.axis = getAxisByLabel(axisToken.string());
if (axisInfo.axis < 0) {
LOGE("%s: Expected inverted axis label, got '%s'.",
mTokenizer->getLocation().string(), axisToken.string());
return BAD_VALUE;
}
} else if (token == "split") {
axisInfo.mode = AxisInfo::MODE_SPLIT;
mTokenizer->skipDelimiters(WHITESPACE);
String8 splitToken = mTokenizer->nextToken(WHITESPACE);
axisInfo.splitValue = int32_t(strtol(splitToken.string(), &end, 0));
if (*end) {
LOGE("%s: Expected split value, got '%s'.",
mTokenizer->getLocation().string(), splitToken.string());
return BAD_VALUE;
}
mTokenizer->skipDelimiters(WHITESPACE);
String8 lowAxisToken = mTokenizer->nextToken(WHITESPACE);
axisInfo.axis = getAxisByLabel(lowAxisToken.string());
if (axisInfo.axis < 0) {
LOGE("%s: Expected low axis label, got '%s'.",
mTokenizer->getLocation().string(), lowAxisToken.string());
return BAD_VALUE;
}
mTokenizer->skipDelimiters(WHITESPACE);
String8 highAxisToken = mTokenizer->nextToken(WHITESPACE);
axisInfo.highAxis = getAxisByLabel(highAxisToken.string());
if (axisInfo.highAxis < 0) {
LOGE("%s: Expected high axis label, got '%s'.",
mTokenizer->getLocation().string(), highAxisToken.string());
return BAD_VALUE;
}
} else {
axisInfo.axis = getAxisByLabel(token.string());
if (axisInfo.axis < 0) {
LOGE("%s: Expected axis label, 'split' or 'invert', got '%s'.",
mTokenizer->getLocation().string(), token.string());
return BAD_VALUE;
}
}
for (;;) {
mTokenizer->skipDelimiters(WHITESPACE);
if (mTokenizer->isEol()) {
break;
}
String8 keywordToken = mTokenizer->nextToken(WHITESPACE);
if (keywordToken == "flat") {
mTokenizer->skipDelimiters(WHITESPACE);
String8 flatToken = mTokenizer->nextToken(WHITESPACE);
axisInfo.flatOverride = int32_t(strtol(flatToken.string(), &end, 0));
if (*end) {
LOGE("%s: Expected flat value, got '%s'.",
mTokenizer->getLocation().string(), flatToken.string());
return BAD_VALUE;
}
} else {
LOGE("%s: Expected keyword 'flat', got '%s'.",
mTokenizer->getLocation().string(), keywordToken.string());
return BAD_VALUE;
}
}
#if DEBUG_PARSER
LOGD("Parsed axis: scanCode=%d, axis=%d.", scanCode, axis);
LOGD("Parsed axis: scanCode=%d, mode=%d, axis=%d, highAxis=%d, "
"splitValue=%d, flatOverride=%d.",
scanCode,
axisInfo.mode, axisInfo.axis, axisInfo.highAxis,
axisInfo.splitValue, axisInfo.flatOverride);
#endif
mMap->mAxes.add(scanCode, axis);
mMap->mAxes.add(scanCode, axisInfo);
return NO_ERROR;
}