public bool AcceptInput(ConsoleKeyInfo keyPressed, GraphicsContext g)
{
var inputs = InputMap.Compile();
if (Utils.KeyCorresponds(inputs, keyPressed, StandardActionNames.BaseAction))
{
ActionOnComponent?.Invoke(this, new ActionEventArgs(this, keyPressed, g));
return(true);
}
return(false);
}
public bool AcceptInput(ConsoleKeyInfo keyPressed, GraphicsContext g)
{
g.SetCursorVisible(false);
var map = InputMap.Compile();
if (Utils.KeyCorresponds(map, keyPressed, StandardActionNames.MoveLeftWord))
{
// DOING
// Move one word to the left, i.e. move to the left until you meet a space (or the beginning of the line)
var i = CaretPosition - 1;
var skipSpaces = true;
// this is so that we jump to the previous word if we are at the beginning of a
// word when ctrl <- is invoked
while (CaretPosition >= 0 && CaretPosition <= Text.Length)
{
if (CaretPosition == 0)
{
UpdateCursorState(g);
return(true);
}
switch (Text[i])
{
case ' ':
if (!skipSpaces)
{
UpdateCursorState(g);
return(true);
}
goto default; // Jump to case default
default:
CaretPosition--;
i--;
skipSpaces = false;
break;
}
}
UpdateCursorState(g);
return(false);
}
if (Utils.KeyCorresponds(map, keyPressed, StandardActionNames.MoveRightWord))
{
var skipSpaces = true;
while (CaretPosition <= Text.Length)
{
if (CaretPosition == Text.Length)
{
UpdateCursorState(g);
return(true);
}
switch (Text[CaretPosition])
{
case ' ':
if (!skipSpaces)
{
UpdateCursorState(g);
return(true);
}
CaretPosition++;
break;
default:
CaretPosition++;
skipSpaces = false;
break;
}
}
UpdateCursorState(g);
return(false);
}
if (Utils.KeyCorresponds(map, keyPressed, StandardActionNames.BaseAction))
{
ActionOnComponent?.Invoke(this, new ActionEventArgs(this, keyPressed, g));
UpdateCursorState(g);
return(true);
}
if (Utils.KeyCorresponds(map, keyPressed, StandardActionNames.MoveLeft))
{
if (CaretPosition > 0)
{
CaretPosition -= 1;
UpdateCursorState(g);
return(true);
}
UpdateCursorState(g);
return(false);
}
if (Utils.KeyCorresponds(map, keyPressed, StandardActionNames.MoveRight))
{
if (CaretPosition < Text.Length)
{
CaretPosition += 1;
UpdateCursorState(g);
return(true);
}
UpdateCursorState(g);
return(false);
}
if (Utils.KeyCorresponds(map, keyPressed, StandardActionNames.DeleteToTheLeftAction))
{
if (CaretPosition > 0)
{
Text = Text.Remove(CaretPosition - 1, 1);
CaretPosition -= 1;
Print(1, g);
OnTextChanged?.Invoke(this, new ActionEventArgs(this, keyPressed, g));
UpdateCursorState(g);
return(true);
}
UpdateCursorState(g);
return(false);
}
if (Utils.KeyCorresponds(map, keyPressed, StandardActionNames.DeleteToTheRightAction))
{
if (CaretPosition > 0 && CaretPosition < Text.Length)
{
Text = Text.Remove(CaretPosition, 1);
Print(1, g);
OnTextChanged?.Invoke(this, new ActionEventArgs(this, keyPressed, g));
UpdateCursorState(g);
return(true);
}
UpdateCursorState(g);
return(false);
}
if (Utils.KeyCorresponds(map, keyPressed, StandardActionNames.MoveLineStart))
{
// TODO
// Move the caret to the beginning of the line
if (CaretPosition > 0)
{
CaretPosition = 0;
UpdateCursorState(g);
return(true);
}
UpdateCursorState(g);
return(false);
}
if (Utils.KeyCorresponds(map, keyPressed, StandardActionNames.MoveLineEnd))
{
// TODO
// Move the caret to the end of the line
if (CaretPosition < Text.Length)
{
CaretPosition = Text.Length;
UpdateCursorState(g);
return(true);
}
UpdateCursorState(g);
return(false);
}
// Letters: add the letters to Text and write them with the following line. Also increase CaretPosition.
// g.Write(X + CaretPosition, Y, <the letter>);
// Backspace: delete the letter, careposition - 1, make sure to rewrite the string correctly (or call Print
// if you're lazy)
if (keyPressed.KeyChar > (char)31 && keyPressed.Key != ConsoleKey.Enter &&
keyPressed.Key != ConsoleKey.Tab && keyPressed.Key != ConsoleKey.Escape &&
// NOT(control pressed XOR alt pressed)
(keyPressed.Modifiers & ConsoleModifiers.Control) == 0 ==
((keyPressed.Modifiers & ConsoleModifiers.Alt) == 0))
{
Text = Text.Insert(CaretPosition, "" + keyPressed.KeyChar);
CaretPosition += 1;
Print(PlaceholderText.Length - 1, g);
OnTextChanged?.Invoke(this, new ActionEventArgs(this, keyPressed, g));
UpdateCursorState(g);
return(true);
}
// USE .KeyChar AND NOT .Key.ToString() !!!
// If it matched one of the cases above, return true
// Anything else: return false
UpdateCursorState(g);
return(false);
}
public virtual bool AcceptInput(ConsoleKeyInfo keyPressed, GraphicsContext g)
{
foreach (var c in Components)
{
if (c is IFocusable foc && foc.IsFocusable() && foc.IsFocused())
{
if (foc.AcceptInput(keyPressed, g))
{
return(true);
}
var ins = c.InputMap.Compile();
var str = Utils.GetActionNameForKey(ins, keyPressed);
if (str != null)
{
var actMap = c.ActionMap.Compile();
if (actMap.ContainsKey(str))
{
actMap[str](c, new ActionEventArgs(c, keyPressed, g));
return(true);
}
}
}
}
// If we are still here it means that none of the focusable components have accepted any input
// Use our own shortcuts to switch to the next focusable component
var prev = GetFocusedElement(false);
var inputs = InputMap.Compile();
IFocusable next = null;
if (Utils.KeyCorresponds(inputs, keyPressed, StandardActionNames.MoveUp))
{
next = Strategy.GetUpFocusableElement(this, prev);
}
else if (Utils.KeyCorresponds(inputs, keyPressed, StandardActionNames.MoveLeft))
{
next = Strategy.GetPreviousFocusableElement(this, prev);
}
else if (Utils.KeyCorresponds(inputs, keyPressed, StandardActionNames.MoveRight))
{
next = Strategy.GetNextFocusableElement(this, prev);
}
else if (Utils.KeyCorresponds(inputs, keyPressed, StandardActionNames.MoveDown))
{
next = Strategy.GetDownFocusableElement(this, prev);
}
if (next != null)
{
if (prev != null)
{
var f = prev as IFocusable;
Debug.Assert(f != null, nameof(f) + " != null");
f.SetFocused(false, g);
}
next.SetFocused(true, g);
return(true);
}
return(false);
}
