diff options
Diffstat (limited to 'libs')
-rw-r--r-- | libs/ui/EventHub.cpp | 90 |
1 files changed, 71 insertions, 19 deletions
diff --git a/libs/ui/EventHub.cpp b/libs/ui/EventHub.cpp index 59c9476..27334b7 100644 --- a/libs/ui/EventHub.cpp +++ b/libs/ui/EventHub.cpp @@ -16,6 +16,7 @@ //#define LOG_NDEBUG 0 #include <ui/EventHub.h> +#include <ui/KeycodeLabels.h> #include <hardware_legacy/power.h> #include <cutils/properties.h> @@ -58,6 +59,18 @@ #define SEQ_SHIFT 16 #define id_to_index(id) ((id&ID_MASK)+1) +#ifndef ABS_MT_TOUCH_MAJOR +#define ABS_MT_TOUCH_MAJOR 0x30 /* Major axis of touching ellipse */ +#endif + +#ifndef ABS_MT_POSITION_X +#define ABS_MT_POSITION_X 0x35 /* Center X ellipse position */ +#endif + +#ifndef ABS_MT_POSITION_Y +#define ABS_MT_POSITION_Y 0x36 /* Center Y ellipse position */ +#endif + namespace android { static const char *WAKE_LOCK_ID = "KeyEvents"; @@ -590,6 +603,8 @@ int EventHub::open_device(const char *deviceName) mFDs[mFDCount].events = POLLIN; // figure out the kinds of events the device reports + + // See if this is a keyboard, and classify it. uint8_t key_bitmask[(KEY_MAX+1)/8]; memset(key_bitmask, 0, sizeof(key_bitmask)); LOGV("Getting keys..."); @@ -601,15 +616,11 @@ int EventHub::open_device(const char *deviceName) for (int i=0; i<((BTN_MISC+7)/8); i++) { if (key_bitmask[i] != 0) { device->classes |= CLASS_KEYBOARD; - // 'Q' key support = cheap test of whether this is an alpha-capable kbd - if (test_bit(KEY_Q, key_bitmask)) { - device->classes |= CLASS_ALPHAKEY; - } break; } } if ((device->classes & CLASS_KEYBOARD) != 0) { - device->keyBitmask = new uint8_t[(KEY_MAX+1)/8]; + device->keyBitmask = new uint8_t[sizeof(key_bitmask)]; if (device->keyBitmask != NULL) { memcpy(device->keyBitmask, key_bitmask, sizeof(key_bitmask)); } else { @@ -619,6 +630,8 @@ int EventHub::open_device(const char *deviceName) } } } + + // See if this is a trackball. if (test_bit(BTN_MOUSE, key_bitmask)) { uint8_t rel_bitmask[(REL_MAX+1)/8]; memset(rel_bitmask, 0, sizeof(rel_bitmask)); @@ -630,16 +643,22 @@ int EventHub::open_device(const char *deviceName) } } } - if (test_bit(BTN_TOUCH, key_bitmask)) { - uint8_t abs_bitmask[(ABS_MAX+1)/8]; - memset(abs_bitmask, 0, sizeof(abs_bitmask)); - LOGV("Getting absolute controllers..."); - if (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(abs_bitmask)), abs_bitmask) >= 0) - { - if (test_bit(ABS_X, abs_bitmask) && test_bit(ABS_Y, abs_bitmask)) { - device->classes |= CLASS_TOUCHSCREEN; - } - } + + uint8_t abs_bitmask[(ABS_MAX+1)/8]; + memset(abs_bitmask, 0, sizeof(abs_bitmask)); + LOGV("Getting absolute controllers..."); + ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(abs_bitmask)), abs_bitmask); + + // Is this a new modern multi-touch driver? + if (test_bit(ABS_MT_TOUCH_MAJOR, abs_bitmask) + && test_bit(ABS_MT_POSITION_X, abs_bitmask) + && test_bit(ABS_MT_POSITION_Y, abs_bitmask)) { + device->classes |= CLASS_TOUCHSCREEN | CLASS_TOUCHSCREEN_MT; + + // Is this an old style single-touch driver? + } else if (test_bit(BTN_TOUCH, key_bitmask) + && test_bit(ABS_X, abs_bitmask) && test_bit(ABS_Y, abs_bitmask)) { + device->classes |= CLASS_TOUCHSCREEN; } #ifdef EV_SW @@ -658,9 +677,6 @@ int EventHub::open_device(const char *deviceName) } #endif - LOGI("New device: path=%s name=%s id=0x%x (of 0x%x) index=%d fd=%d classes=0x%x\n", - deviceName, name, device->id, mNumDevicesById, mFDCount, fd, device->classes); - if ((device->classes&CLASS_KEYBOARD) != 0) { char devname[101]; char tmpfn[101]; @@ -707,10 +723,27 @@ int EventHub::open_device(const char *deviceName) sprintf(propName, "hw.keyboards.%u.devname", publicID); property_set(propName, devname); - LOGI("New keyboard: publicID=%d device->id=%d devname='%s' propName='%s' keylayout='%s'\n", + // 'Q' key support = cheap test of whether this is an alpha-capable kbd + if (hasKeycode(device, kKeyCodeQ)) { + device->classes |= CLASS_ALPHAKEY; + } + + // See if this has a DPAD. + if (hasKeycode(device, kKeyCodeDpadUp) && + hasKeycode(device, kKeyCodeDpadDown) && + hasKeycode(device, kKeyCodeDpadLeft) && + hasKeycode(device, kKeyCodeDpadRight) && + hasKeycode(device, kKeyCodeDpadCenter)) { + device->classes |= CLASS_DPAD; + } + + LOGI("New keyboard: publicID=%d device->id=0x%x devname='%s' propName='%s' keylayout='%s'\n", publicID, device->id, devname, propName, keylayoutFilename); } + LOGI("New device: path=%s name=%s id=0x%x (of 0x%x) index=%d fd=%d classes=0x%x\n", + deviceName, name, device->id, mNumDevicesById, mFDCount, fd, device->classes); + LOGV("Adding device %s %p at %d, id = %d, classes = 0x%x\n", deviceName, device, mFDCount, devid, device->classes); @@ -723,6 +756,25 @@ int EventHub::open_device(const char *deviceName) return 0; } +bool EventHub::hasKeycode(device_t* device, int keycode) const +{ + if (device->keyBitmask == NULL || device->layoutMap == NULL) { + return false; + } + + Vector<int32_t> scanCodes; + device->layoutMap->findScancodes(keycode, &scanCodes); + const size_t N = scanCodes.size(); + for (size_t i=0; i<N && i<=KEY_MAX; i++) { + int32_t sc = scanCodes.itemAt(i); + if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, device->keyBitmask)) { + return true; + } + } + + return false; +} + int EventHub::close_device(const char *deviceName) { AutoMutex _l(mLock); |