hidclass.sys: Help make the logic around feature input flags more apparent.
Signed-off-by: Aric Stewart <aric@codeweavers.com>
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@ -33,16 +33,18 @@ WINE_DEFAULT_DEBUG_CHANNEL(hid);
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#define USAGE_MAX 10
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/* Flags that are defined in the document
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"Device Class Definition for Human Interface Devices" */
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enum {
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INPUT_DATA = 0x01,
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INPUT_ARRAY = 0x02,
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INPUT_ABS = 0x04,
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INPUT_WRAP = 0x08,
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INPUT_LINEAR = 0x10,
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INPUT_PREFSTATE = 0x20,
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INPUT_NULL = 0x40,
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INPUT_VOLATILE = 0x80,
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INPUT_BITFIELD = 0x100
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INPUT_DATA_CONST = 0x01, /* Data (0) | Constant (1) */
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INPUT_ARRAY_VAR = 0x02, /* Array (0) | Variable (1) */
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INPUT_ABS_REL = 0x04, /* Absolute (0) | Relative (1) */
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INPUT_WRAP = 0x08, /* No Wrap (0) | Wrap (1) */
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INPUT_LINEAR = 0x10, /* Linear (0) | Non Linear (1) */
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INPUT_PREFSTATE = 0x20, /* Preferred State (0) | No Preferred (1) */
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INPUT_NULL = 0x40, /* No Null position (0) | Null state(1) */
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INPUT_VOLATILE = 0x80, /* Non Volatile (0) | Volatile (1) */
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INPUT_BITFIELD = 0x100 /* Bit Field (0) | Buffered Bytes (1) */
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};
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enum {
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@ -407,48 +409,21 @@ void parse_io_feature(unsigned int bSize, int itemVal, int bTag, unsigned int *f
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}
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else
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{
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if ((itemVal & INPUT_DATA) == 0)
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feature->isData = TRUE;
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else
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feature->isData = FALSE; /* Const */
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if ((itemVal & INPUT_ARRAY) == 0)
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feature->isArray= TRUE;
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else
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feature->isArray= FALSE; /* Var */
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if ((itemVal & INPUT_ABS) == 0)
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feature->IsAbsolute = TRUE;
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else
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feature->IsAbsolute = FALSE; /* Rel */
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if ((itemVal & INPUT_WRAP) == 0)
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feature->Wrap = FALSE;
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else
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feature->Wrap = TRUE;
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if ((itemVal & INPUT_LINEAR) == 0)
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feature->Linear = TRUE;
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else
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feature->Linear = FALSE;
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if ((itemVal & INPUT_PREFSTATE) == 0)
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feature->prefState = TRUE;
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else
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feature->prefState = FALSE;
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if ((itemVal & INPUT_NULL) == 0)
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feature->HasNull = FALSE;
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else
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feature->HasNull = TRUE;
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feature->isData = ((itemVal & INPUT_DATA_CONST) == 0);
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feature->isArray = ((itemVal & INPUT_ARRAY_VAR) == 0);
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feature->IsAbsolute = ((itemVal & INPUT_ABS_REL) == 0);
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feature->Wrap = ((itemVal & INPUT_WRAP) != 0);
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feature->Linear = ((itemVal & INPUT_LINEAR) == 0);
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feature->prefState = ((itemVal & INPUT_PREFSTATE) == 0);
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feature->HasNull = ((itemVal & INPUT_NULL) != 0);
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if (bTag != TAG_MAIN_INPUT)
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{
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if ((itemVal & INPUT_VOLATILE) == 0)
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feature->Volatile = FALSE;
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else
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feature->Volatile = TRUE;
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feature->Volatile = ((itemVal & INPUT_VOLATILE) != 0);
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}
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if (bSize > 1)
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{
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if ((itemVal & INPUT_BITFIELD) == 0)
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feature->BitField = TRUE;
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else
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feature->BitField = FALSE; /* Buffered Bytes */
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feature->BitField = ((itemVal & INPUT_BITFIELD) == 0);
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}
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feature->index = *feature_index;
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*feature_index = *feature_index + 1;
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