private static List <ushort> GetPressedButtons(HIDP_CAPS hidCaps, IntPtr preparsedData, byte[] rawInputData)
{
var buttonCapsLength = hidCaps.NumberInputButtonCaps;
var buttonCaps = new HIDP_BUTTON_CAPS[buttonCapsLength];
CheckError(HidP_GetButtonCaps(HIDP_REPORT_TYPE.HidP_Input, buttonCaps, ref buttonCapsLength, preparsedData));
var usagePages = new HashSet <ushort>();
foreach (var bc in buttonCaps)
{
usagePages.Add(bc.UsagePage);
}
var res = new List <ushort>();
foreach (var usagePage in usagePages)
{
int usageListLength = hidCaps.NumberInputButtonCaps;
var usageList = new ushort[usageListLength];
CheckError(HidP_GetUsages(HIDP_REPORT_TYPE.HidP_Input, usagePage, 0,
usageList, ref usageListLength, preparsedData, rawInputData, rawInputData.Length));
for (var i = 0; i < usageListLength; ++i)
{
res.Add(usageList[i]);
}
}
return(res);
}
public static string GetLinkName(this HIDP_BUTTON_CAPS caps)
{
if (!caps.HasLink())
{
return("");
}
var pageType = Utils.UsageType((UsagePage)caps.LinkUsagePage);
return(Enum.GetName(pageType, caps.LinkUsage) + $"({pageType.Name})[{caps.LinkCollection}]");
}
public static int GetLinkIndex(this HIDP_BUTTON_CAPS caps) => caps.LinkCollection;
public static bool HasLink(this HIDP_BUTTON_CAPS caps) => caps.LinkUsage != 0;
public static string GetName(this HIDP_BUTTON_CAPS caps)
{
var pageType = Utils.UsageType((UsagePage)caps.UsagePage);
return(Enum.GetName(pageType, caps.NotRange.Usage) + $"({pageType.Name})");
}
/// <summary>
/// Provides name of the usage at the given index.
/// </summary>
/// <param name="index">Index of the usage concerned.</param>
/// <returns></returns>
internal string GetButtonName(HIDP_BUTTON_CAPS bc)
{
Type usageType = Utils.UsageType(this.UsagePageEnum);
return(Enum.GetName(usageType, bc.NotRange.Usage));
}
