/// <summary>
/// Id like to trim this down a bit.
/// </summary>
public static void Update(GameTime gameTime)
{
elapsedGameTime = (float)gameTime.ElapsedGameTime.TotalSeconds;
var itsOkToRepeatNow = RepeatKeyDelayTimer.Update(gameTime);
Caps = Keyboard.GetState().CapsLock;
NumLock = Keyboard.GetState().NumLock;
bool upper = false;
Key0 = Keys.None;
Key0_Index = 0;
Key1 = Keys.None;
Key1_Index = 0;
Key2 = Keys.None;
Key2_Index = 0;
IsKeyPressOccuring = false;
// Check all the keys in a loop.
for (int i = 0; i < keyArray.Length; i++)
{
Keys k = keyArray[i];
var keydown = Keyboard.GetState().IsKeyDown(k);
if (keydown)
{
IsKeyPressOccuring = true;
if (keydown)
{
if (Key0 == Keys.None)
{
Key0 = k;
Key0_Index = i;
}
else
{
if (Key1 == Keys.None)
{
Key1 = k;
Key1_Index = i;
}
else
{
Key2 = k;
Key2_Index = i;
}
}
}
}
}
// Do we procced
// At this point we know if a key is pressed or not.
bool conditionNotTheSameLastKey = Key0 != keyLast;
bool conditionRepeatOkOrNotTheSameLastKey = Key0 != keyLast || itsOkToRepeatNow;
//
if (IsKeyPressOccuring && conditionRepeatOkOrNotTheSameLastKey)
{
// special checks.
if (Key0 == Keys.LeftControl || Key1 == Keys.LeftControl || Key2 == Keys.LeftControl)
{
Control = true;
}
else
{
Control = false;
}
if (Caps)
{
upper = true;
}
if (Key0 == Keys.LeftShift || Key0 == Keys.RightShift || Key1 == Keys.LeftShift || Key1 == Keys.RightShift || Key2 == Keys.LeftShift || Key2 == Keys.RightShift)
{
Shift = true;
upper = !upper;
}
else
{
Shift = false;
}
// basically anything can be a command key except none and maybe caps lock cause its a weird one.
int resultOfTestForComandkeyActivation = 0;
if (Key0 != Keys.None && Key0 != Keys.CapsLock)
{
resultOfTestForComandkeyActivation++;
}
if (Key1 != Keys.None && Key0 != Keys.CapsLock)
{
resultOfTestForComandkeyActivation++;
}
if (Key2 != Keys.None && Key0 != Keys.CapsLock)
{
resultOfTestForComandkeyActivation++;
}
// Test for a control command key combination that should cause the exclusion of textInput.
int resultOfTestForTextInputExclusion = 0;
if (charIsControl[Key0_Index] && charIsAvailableAsTextInput[Key0_Index] == false && Key0 != Keys.None && Key0 != Keys.LeftShift && Key0 != Keys.RightShift)
{
resultOfTestForTextInputExclusion++;
}
if (charIsControl[Key1_Index] && charIsAvailableAsTextInput[Key1_Index] == false && Key1 != Keys.None && Key1 != Keys.LeftShift && Key1 != Keys.RightShift)
{
resultOfTestForTextInputExclusion++;
}
if (charIsControl[Key2_Index] && charIsAvailableAsTextInput[Key2_Index] == false && Key2 != Keys.None && Key2 != Keys.LeftShift && Key2 != Keys.RightShift)
{
resultOfTestForTextInputExclusion++;
}
//
// Do we send to control key command events, we pretty much always do unless the reciever disables it.
//
if (resultOfTestForComandkeyActivation > 0 && conditionRepeatOkOrNotTheSameLastKey && IsKeyPressOccuring)
{
ActionKeyCommandsInputPoolingList.CallKeyCommandInputDestinationRecievers(Key0, Key1, Key2);
}
//
// Do we send to text input.
// this however we don't always do.
//
if (resultOfTestForTextInputExclusion < 1)
{
// what to send to text input
char charToSend = '\0';
Keys keyToSend = Key0;
bool dok1test = true;
if (Key0 != Keys.None && Key0 != Keys.LeftShift && Key0 != Keys.RightShift)
{
if (charIsAvailableAsTextInput[Key0_Index] == true) // send or not
{
if (upper)
{
charToSend = charUpper[Key0_Index];
}
else
{
charToSend = charLower[Key0_Index];
}
keyToSend = Key0;
dok1test = false;
}
}
if (Key1 != Keys.None && dok1test) // send or not
{
if (charIsAvailableAsTextInput[Key1_Index] == true)
{
if (upper)
{
charToSend = charUpper[Key1_Index];
}
else
{
charToSend = charLower[Key1_Index];
}
keyToSend = Key1;
}
}
// Send to text input for recieving. One slight problem is what to return if we have a press and control key of unknown type slips by.
if ((conditionRepeatOkOrNotTheSameLastKey) && IsKeyPressOccuring && charToSend != '\0')
{
ActionTextInputPoolingList.CallTextInputDestinationRecievers(charToSend, keyToSend);
}
}
}
// try to get the key repeat and acceleration correct.
CheckRepress(IsKeyPressOccuring, conditionNotTheSameLastKey == false);
// set last key to current key.
keyLast = Key0;
// key status information
if (IsRecordingKeyPressInformation)
{
KeyPressInformationMessage.Clear();
KeyPressInformationMessage
.Append(" Caps On: ").Append(Caps)
.Append(" \n")
.Append(" ShiftIsDown: ").Append(Shift)
.Append(" \n")
.Append(" Upper case on: ").Append(upper)
.Append(" \n")
.Append(" Control Key is down: ").Append(Control)
.Append(" \n")
.Append(" K0: name: ").Append(keyName[Key0_Index]).Append(" char: ").Append(upper ? charUpper[Key0_Index] : charLower[Key0_Index])
.Append(" iscontrol: ").Append(charIsControl[Key0_Index]).Append(" isTextSringInput: ").Append(charIsAvailableAsTextInput[Key0_Index])
.Append(" \n")
.Append(" K1: name: ").Append(keyName[Key1_Index]).Append(" char: ").Append(upper ? charUpper[Key1_Index] : charLower[Key1_Index])
.Append(" iscontrol: ").Append(charIsControl[Key1_Index]).Append(" isTextSringInput: ").Append(charIsAvailableAsTextInput[Key1_Index])
.Append(" \n")
.Append(" K2: name: ").Append(keyName[Key2_Index]).Append(" char: ").Append(upper ? charUpper[Key2_Index] : charLower[Key2_Index])
.Append(" iscontrol: ").Append(charIsControl[Key2_Index]).Append(" isTextSringInput: ").Append(charIsAvailableAsTextInput[Key2_Index])
.Append(" \n")
;
}
}
public static void DisableTextInput <T>(T t)
{
ActionTextInputPoolingList.Disable(t);
}
/// <summary>
/// Removes the pair of methods registered.
/// </summary>
public static void RemoveMethodsToRaiseOnKeyBoardActivity <T>(Action <char, Keys> textInputMethodToCall, Action <Keys, Keys, Keys> controlKeysMethodToCall, T t)
{
ActionTextInputPoolingList.UnRegister(textInputMethodToCall, t);
ActionKeyCommandsInputPoolingList.UnRegister(controlKeysMethodToCall, t);
}
/// <summary>
/// This is to register two callbacks when keys are pressed some key combos wont raise the OnCharacterKeysPressed
/// As for control keys at the moment its required that update is called for it to function properly.
/// </summary>
public static void AddMethodsToRaiseOnKeyBoardActivity <T>(Action <char, Keys> textInputMethodToCall, Action <Keys, Keys, Keys> controlKeysMethodToCall, T t)
{
ActionTextInputPoolingList.InitialRegistration(textInputMethodToCall, t);
ActionKeyCommandsInputPoolingList.InitialRegistration(controlKeysMethodToCall, t);
}
public static void RemoveMethodToRaiseOnTextInput <T>(Action <char, Keys> method, T t)
{
ActionTextInputPoolingList.UnRegister(method, t);
}
public static void AddMethodToRaiseOnTextInput <T>(Action <char, Keys> method, T t)
{
ActionTextInputPoolingList.InitialRegistration(method, t);
}