diff options
| -rw-r--r-- | src/eventcomm.c | 43 |
1 files changed, 23 insertions, 20 deletions
diff --git a/src/eventcomm.c b/src/eventcomm.c index 9cabd14..4939958 100644 --- a/src/eventcomm.c +++ b/src/eventcomm.c @@ -47,6 +47,9 @@ #define LONG_BITS (sizeof(long) * 8) #define NBITS(x) (((x) + LONG_BITS - 1) / LONG_BITS) +#define OFF(x) ((x) % LONG_BITS) +#define LONG(x) ((x) / LONG_BITS) +#define TEST_BIT(bit, array) ((array[LONG(bit)] >> OFF(bit)) & 1) /** * Protocol-specific data. @@ -119,16 +122,16 @@ event_query_is_touchpad(int fd, BOOL test_grab) SYSCALL(rc = ioctl(fd, EVIOCGBIT(0, sizeof(evbits)), evbits)); if (rc < 0) goto unwind; - if (!BitIsOn(evbits, EV_SYN) || - !BitIsOn(evbits, EV_ABS) || - !BitIsOn(evbits, EV_KEY)) + if (!TEST_BIT(EV_SYN, evbits) || + !TEST_BIT(EV_ABS, evbits) || + !TEST_BIT(EV_KEY, evbits)) goto unwind; SYSCALL(rc = ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbits)), absbits)); if (rc < 0) goto unwind; - if (!BitIsOn(absbits, ABS_X) || - !BitIsOn(absbits, ABS_Y)) + if (!TEST_BIT(ABS_X, absbits) || + !TEST_BIT(ABS_Y, absbits)) goto unwind; SYSCALL(rc = ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits)); @@ -136,12 +139,12 @@ event_query_is_touchpad(int fd, BOOL test_grab) goto unwind; /* we expect touchpad either report raw pressure or touches */ - if (!BitIsOn(absbits, ABS_PRESSURE) && !BitIsOn(keybits, BTN_TOUCH)) + if (!TEST_BIT(ABS_PRESSURE, absbits) && !TEST_BIT(BTN_TOUCH, keybits)) goto unwind; /* all Synaptics-like touchpad report BTN_TOOL_FINGER */ - if (!BitIsOn(keybits, BTN_TOOL_FINGER)) + if (!TEST_BIT(BTN_TOOL_FINGER, keybits)) goto unwind; - if (BitIsOn(keybits, BTN_TOOL_PEN)) + if (TEST_BIT(BTN_TOOL_PEN, keybits)) goto unwind; /* Don't match wacom tablets */ ret = TRUE; @@ -266,8 +269,8 @@ event_query_axis_ranges(InputInfoPtr pInfo) SYSCALL(rc = ioctl(pInfo->fd, EVIOCGBIT(EV_ABS, sizeof(absbits)), absbits)); if (rc >= 0) { - priv->has_pressure = (BitIsOn(absbits, ABS_PRESSURE) != 0); - priv->has_width = (BitIsOn(absbits, ABS_TOOL_WIDTH) != 0); + priv->has_pressure = (TEST_BIT(ABS_PRESSURE, absbits) != 0); + priv->has_width = (TEST_BIT(ABS_TOOL_WIDTH, absbits) != 0); } else xf86IDrvMsg(pInfo, X_ERROR, "failed to query ABS bits (%s)\n", strerror(errno)); @@ -284,16 +287,16 @@ event_query_axis_ranges(InputInfoPtr pInfo) SYSCALL(rc = ioctl(pInfo->fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits)); if (rc >= 0) { - priv->has_left = (BitIsOn(keybits, BTN_LEFT) != 0); - priv->has_right = (BitIsOn(keybits, BTN_RIGHT) != 0); - priv->has_middle = (BitIsOn(keybits, BTN_MIDDLE) != 0); - priv->has_double = (BitIsOn(keybits, BTN_TOOL_DOUBLETAP) != 0); - priv->has_triple = (BitIsOn(keybits, BTN_TOOL_TRIPLETAP) != 0); - - if ((BitIsOn(keybits, BTN_0) != 0) || - (BitIsOn(keybits, BTN_1) != 0) || - (BitIsOn(keybits, BTN_2) != 0) || - (BitIsOn(keybits, BTN_3) != 0)) + priv->has_left = (TEST_BIT(BTN_LEFT, keybits) != 0); + priv->has_right = (TEST_BIT(BTN_RIGHT, keybits) != 0); + priv->has_middle = (TEST_BIT(BTN_MIDDLE, keybits) != 0); + priv->has_double = (TEST_BIT(BTN_TOOL_DOUBLETAP, keybits) != 0); + priv->has_triple = (TEST_BIT(BTN_TOOL_TRIPLETAP, keybits) != 0); + + if ((TEST_BIT(BTN_0, keybits) != 0) || + (TEST_BIT(BTN_1, keybits) != 0) || + (TEST_BIT(BTN_2, keybits) != 0) || + (TEST_BIT(BTN_3, keybits) != 0)) priv->has_scrollbuttons = 1; } |