/// <summary>
/// Sends key.
/// Not used for keys whose scancode can depend on keyboard layout. To get scancode, uses keyboard layout of current thread.
/// </summary>
/// <param name="k"></param>
/// <param name="downUp">1 down, 2 up, 0 down-up.</param>
internal static void SendKey(KKey k, int downUp = 0)
{
uint f = 0;
if (KeyTypes_.IsExtended(k))
{
f |= Api.KEYEVENTF_EXTENDEDKEY;
}
ushort scan = VkToSc(k);
if (0 == (downUp & 2))
{
SendKeyEventRaw(k, scan, f);
}
if (0 == (downUp & 1))
{
SendKeyEventRaw(k, scan, f | Api.KEYEVENTF_KEYUP);
}
}
/// <summary>
/// Adds single key, specified as <see cref="KKey"/>, to the internal collection. It will be sent by <see cref="Send"/>.
/// Returns self.
/// </summary>
/// <param name="key">Virtual-key code, as <see cref="KKey"/> or int like <c>(KKey)200</c>. Valid values are 1-255.</param>
/// <param name="down">true - key down; false - key up; null (default) - key down-up.</param>
/// <exception cref="ArgumentException">Invalid <i>key</i> (0).</exception>
public AKeys AddKey(KKey key, bool?down = null)
{
_ThrowIfSending();
if (key == 0)
{
throw new ArgumentException("Invalid value.", nameof(key));
}
bool isPair; _KFlags f = 0;
if (!(isPair = (down == null)) && !down.GetValueOrDefault())
{
f |= _KFlags.Up;
}
if (KeyTypes_.IsExtended(key))
{
f |= _KFlags.Extended;
}
return(_AddKey(new _KEvent(isPair, key, f)));
}
//Caller should set k.scan; this func doesn't.
unsafe static void _SendKey2(_KEvent k, _KEvent kNext, bool isLast, OptKey opt)
{
var ki = new Api.INPUTK(k.vk, k.scan, (uint)k.SIFlags);
int count = 1, sleep = opt.KeySpeed;
if (isLast)
{
if (!k.IsPair)
{
sleep = Internal_.LimitSleepTime(sleep) - opt.SleepFinally;
}
}
else
{
if (kNext.IsRepeat)
{
count = kNext.repeat;
}
else if (!k.IsPair)
{
//If this is pair, sleep between down and up, and don't sleep after up.
//Else if repeat, sleep always.
//Else in most cases don't need to sleep. In some cases need, but can limit the time.
// For example, in Ctrl+C normally would not need to sleep after Ctrl down and Ctrl up.
// However some apps/controls then may not work. Maybe they process mod and nonmod keys somehow async.
// For example, Ctrl+C in IE address bar often does not work if there is no sleep after Ctrl down. Always works if 1 ms.
sleep = Internal_.LimitSleepTime(sleep);
if (kNext.IsKey)
{
bool thisMod = KeyTypes_.IsMod(k.vk), nextMod = KeyTypes_.IsMod(kNext.vk);
if (!k.IsUp)
{
if (kNext.IsUp)
{
sleep = opt.KeySpeed;
}
else if (thisMod == nextMod)
{
sleep = 0;
}
}
else
{
if (!thisMod || nextMod)
{
sleep = 0;
}
}
}
else if (kNext.IsSleep)
{
sleep = sleep - kNext.sleep;
}
}
}
if (sleep < 0)
{
sleep = 0;
}
//var s = (k.vk).ToString();
//if(k.IsPair) AOutput.Write($"{s}<{sleep}>");
//else { var ud = k.IsUp ? '-' : '+'; if(sleep > 0) AOutput.Write($"{s}{ud} {sleep}"); else AOutput.Write($"{s}{ud}"); }
for (int r = 0; r < count; r++)
{
//APerf.First();
Api.SendInput(&ki);
//APerf.Next();
if (sleep > 0)
{
Internal_.Sleep(sleep);
}
if (k.IsPair)
{
ki.dwFlags |= Api.KEYEVENTF_KEYUP;
Api.SendInput(&ki);
ki.dwFlags &= ~Api.KEYEVENTF_KEYUP;
}
//APerf.NW();
//speed: min 400 mcs for each event. Often > 1000. Does not depend on whether all events sent by single SendInput call.
}
}
