public InputEventKeyboard(KeyboardEventType eventType, InputEventKeyboard parent)
: base(parent)
{
m_eventType = eventType;
m_keyCode = parent.m_keyCode;
m_keyDataExtra = parent.m_keyDataExtra;
}
/// <summary>
/// Raises the KeyUp event. Override this method to add code to handle when a key is released
/// </summary>
/// <param name="e">KeyboardPressEventArgs for the KeyUp event</param>
private void invokeKeyUp(InputEventKeyboard e)
{
if (KeyUp != null)
{
KeyUp(e);
}
}
protected override void OnKeyboardInput(InputEventKeyboard e)
{
if (e.Alt || e.Shift || e.Control || IsChanged)
{
return;
}
if (((int)e.KeyCode >= (int)WinKeys.A && (int)e.KeyCode <= (int)WinKeys.Z) || ((int)e.KeyCode >= (int)WinKeys.F1 && (int)e.KeyCode <= (int)WinKeys.F12))
{
Key = e.KeyCode;
}
else if ((int)e.KeyCode >= (int)WinKeys.A + 32 && (int)e.KeyCode <= (int)WinKeys.Z + 32) // lower case?
{
if (e.KeyCode.ToString().StartsWith("NumPad"))
{
Key = e.KeyCode;
}
else if (e.KeyCode.ToString().Length == 1)
{
Key = e.KeyCode;
}
}
else if (e.KeyCode >= WinKeys.D0 && e.KeyCode <= WinKeys.D9)
{
Key = e.KeyCode;
}
else if (e.KeyCode == WinKeys.NumPad0)
{
Key = e.KeyCode; //interesting :)
}
else
{
return;
}
IsChanged = true;
}
/// <summary>
/// Raises the KeyDown event. Override this method to add code to handle when a key is pressed
/// </summary>
/// <param name="e">InputEventCKB for the KeyDown event</param>
private void invokeKeyDown(InputEventKeyboard e)
{
if (KeyDown != null)
{
KeyDown(e);
}
}
/// <summary>
/// Raises the OnChar event. Override this method to add code to handle when a WM_CHAR message is received
/// </summary>
/// <param name="e">InputEventCKB for the OnChar event</param>
private void invokeChar(InputEventKeyboard e)
{
if (KeyChar != null)
{
KeyChar(e);
}
}
public InputEventKeyboard(KeyboardEventType eventType, InputEventKeyboard parent)
: base(parent)
{
m_eventType = eventType;
m_keyCode = parent.m_keyCode;
m_keyDataExtra = parent.m_keyDataExtra;
}
protected override void OnKeyboardInput(InputEventKeyboard e)
{
switch (e.KeyCode)
{
case WinKeys.Tab:
Parent.KeyboardTabToNextFocus(this);
break;
case WinKeys.Enter:
Parent.ActivateByKeyboardReturn(EntryID, Text);
break;
case WinKeys.Back:
if (ReplaceDefaultTextOnFirstKeypress)
{
Text = string.Empty;
ReplaceDefaultTextOnFirstKeypress = false;
}
else if (Text.Length > 0)
{
int escapedLength;
if (EscapeCharacters.TryFindEscapeCharacterBackwards(Text, Text.Length - 1, out escapedLength))
{
Text = Text.Substring(0, Text.Length - escapedLength);
}
else
{
Text = Text.Substring(0, Text.Length - 1);
}
}
break;
default:
if (NumericOnly && !char.IsNumber(e.KeyChar))
{
return;
}
if (ReplaceDefaultTextOnFirstKeypress)
{
Text = string.Empty;
ReplaceDefaultTextOnFirstKeypress = false;
}
if (e.IsChar)
{
string escapedCharacter;
if (EscapeCharacters.TryMatchChar(e.KeyChar, out escapedCharacter))
{
Text += escapedCharacter;
}
else
{
Text += e.KeyChar;
}
}
break;
}
}
protected internal override void KeyDown(InputEventKeyboard e)
{
lock (RenderRule)
{
if (RenderRule.Length != 0)
{
switch (e.KeyCode)
{
case WinKeys.Left:
RenderRule.TextCursor--;
RenderRule.SelectedChar = null;
break;
case WinKeys.Right:
RenderRule.TextCursor++;
RenderRule.SelectedChar = null;
break;
case WinKeys.Up:
RenderRule.CursorUp();
RenderRule.SelectedChar = null;
break;
case WinKeys.Down:
RenderRule.CursorDown();
RenderRule.SelectedChar = null;
break;
case WinKeys.Home:
RenderRule.CursorHome();
RenderRule.SelectedChar = null;
break;
case WinKeys.End:
RenderRule.CursorEnd();
RenderRule.SelectedChar = null;
break;
case WinKeys.PageUp:
RenderRule.TextCursor = 0;
RenderRule.SelectedChar = null;
break;
case WinKeys.PageDown:
RenderRule.TextCursor = RenderRule.Length;
RenderRule.SelectedChar = null;
break;
case WinKeys.Delete:
RenderRule.Delete();
RenderRule.BakeText();
RenderRule.SelectedChar = null;
break;
}
}
}
ResetTimer();
}
private void onKeyDown(InputEventKeyboard e)
{
// handle the initial key down
if (e.Data_PreviousState == 0)
{
addEvent(new InputEventKeyboard(KeyboardEvent.Down, e));
}
// handle the key presses. Possibly multiple per keydown message.
for (int i = 0; i < e.Data_RepeatCount; i++)
{
addEvent(new InputEventKeyboard(KeyboardEvent.Press, e));
}
}
public bool HandleKeyboardEvent(KeyboardEvent type, WinKeys key, bool shift, bool alt, bool ctrl)
{
foreach (InputEvent e in m_EventsThisFrame)
{
if (e.Handled || !(e is InputEventKeyboard))
{
continue;
}
InputEventKeyboard ek = (InputEventKeyboard)e;
if (ek.EventType != type || ek.KeyCode != key || ek.Shift != shift || ek.Alt != alt || ek.Control != ctrl)
{
continue;
}
e.Handled = true;
return(true);
}
return(false);
}
/// <summary>
/// Reads the supplied message and executes any Keyboard events required.
/// </summary>
/// <param name="message">The Message to parse</param>
/// <returns>A Boolean value indicating wether the Key events were handled or not</returns>
private void WmKeyEvent(ref Message message)
{
// HandleKeyBindings();
// KeyPressEventArgs keyPressEventArgs = null;
if ((message.Id == NativeConstants.WM_CHAR) || (message.Id == NativeConstants.WM_SYSCHAR))
{
// Is this extra information necessary?
// wm_(sys)char: http://msdn.microsoft.com/en-us/library/ms646276(VS.85).aspx
InputEventKeyboard e = new InputEventKeyboard(KeyboardEvent.Press,
(WinKeys)(int)(long)message.WParam,
(int)(long)message.LParam,
ModifierKeys
);
IntPtr zero = (IntPtr)0;// (char)((ushort)((long)message.WParam));
invokeChar(e);
}
else
{
// wm_(sys)keydown: http://msdn.microsoft.com/en-us/library/ms912654.aspx
// wm_(sys)keyup: http://msdn.microsoft.com/en-us/library/ms646281(VS.85).aspx
if ((message.Id == NativeConstants.WM_KEYDOWN) || (message.Id == NativeConstants.WM_SYSKEYDOWN))
{
InputEventKeyboard e = new InputEventKeyboard(KeyboardEvent.Down,
(WinKeys)(int)(long)message.WParam,
(int)(long)message.LParam,
ModifierKeys
);
invokeKeyDown(e);
}
else if ((message.Id == NativeConstants.WM_KEYUP) || (message.Id == NativeConstants.WM_SYSKEYUP))
{
InputEventKeyboard e = new InputEventKeyboard(KeyboardEvent.Up,
(WinKeys)(int)(long)message.WParam,
(int)(long)message.LParam,
ModifierKeys
);
invokeKeyUp(e);
}
}
}
private void onKeyChar(InputEventKeyboard e)
{
// Control key sends a strange wm_char message ...
if (e.Control && !e.Alt)
{
return;
}
InputEventKeyboard pressEvent = LastKeyPressEvent;
if (pressEvent == null)
{
throw new Exception("No corresponding KeyPress event for this WM_CHAR message. Please report this error to [email protected]");
}
else
{
pressEvent.OverrideKeyChar(e.KeyCode);
}
}
protected override void keyboardInput(InputEventKeyboard e)
{
switch (e.KeyCode)
{
case WinKeys.Back:
if (Text.Length > 0)
{
int escapedLength;
if (HTML.EscapeCharacters.TryFindEscapeCharacterBackwards(Text, Text.Length - 1, out escapedLength))
{
Text = Text.Substring(0, Text.Length - escapedLength);
}
else
{
Text = Text.Substring(0, Text.Length - 1);
}
}
break;
case WinKeys.Tab:
m_owner.KeyboardTabToNextFocus(this);
break;
case WinKeys.Enter:
m_owner.ActivateByKeyboardReturn(EntryID, Text);
break;
default:
if (e.IsChar)
{
string escapedCharacter;
if (HTML.EscapeCharacters.TryMatchChar(e.KeyChar, out escapedCharacter))
{
Text += escapedCharacter;
}
else
{
Text += e.KeyChar;
}
}
break;
}
}
public bool TryGetKeyboardEvent(bool translateASCII, out ushort eventCode)
{
eventCode = 0;
for (int i = 0; i < m_EventsThisFrame.Count; i++)
{
if (m_EventsThisFrame[i].Handled || !(m_EventsThisFrame[i] is InputEventKeyboard))
{
continue;
}
InputEventKeyboard e = (InputEventKeyboard)m_EventsThisFrame[i];
m_EventsThisFrame.RemoveAt(i);
bool translated = false;
ushort bitsKeycode = (byte)e.KeyCode;
ushort bitsKeyChar = (byte)e.KeyChar;
if (translateASCII && (bitsKeyChar != 0))
{
translated = true;
bitsKeycode = bitsKeyChar;
}
ushort bitsEvent;
switch (e.EventType)
{
case KeyboardEvent.Up:
bitsEvent = EventUp;
break;
case KeyboardEvent.Down:
bitsEvent = EventDown;
break;
case KeyboardEvent.Press:
bitsEvent = EventPress;
break;
default:
throw new ArgumentOutOfRangeException();
}
eventCode = (ushort)(bitsKeycode | bitsEvent | (e.Shift ? ShiftDown : 0) | (e.Alt ? AltDown : 0) | (e.Control ? CtrlDown : 0) | (translated ? TranslatedKey : 0));
return(true);
}
return(false);
}
protected virtual void OnKeyboardInput(InputEventKeyboard e)
{
}
// ============================================================================================================
// Input
// ============================================================================================================
protected override void OnKeyboardInput(InputEventKeyboard e)
{
switch (e.KeyCode)
{
case WinKeys.Tab:
Parent.KeyboardTabToNextFocus(this);
break;
case WinKeys.Enter:
Parent.OnKeyboardReturn(EntryID, Text);
break;
case WinKeys.Back:
if (ReplaceDefaultTextOnFirstKeypress)
{
Text = string.Empty;
ReplaceDefaultTextOnFirstKeypress = false;
}
else if (!string.IsNullOrEmpty(Text))
{
int escapedLength;
if (EscapeCharacters.TryFindEscapeCharacterBackwards(Text, Text.Length - 1, out escapedLength))
{
Text = Text.Substring(0, Text.Length - escapedLength);
}
else
{
Text = Text.Substring(0, Text.Length - 1);
}
}
break;
default:
// place a char, so long as it's within the char count limit.
if (MaxCharCount != 0 && Text.Length >= MaxCharCount)
{
return;
}
if (NumericOnly && !char.IsNumber(e.KeyChar))
{
return;
}
if (ReplaceDefaultTextOnFirstKeypress)
{
Text = string.Empty;
ReplaceDefaultTextOnFirstKeypress = false;
}
if (e.IsChar && e.KeyChar >= 32)
{
string escapedCharacter;
if (EscapeCharacters.TryMatchChar(e.KeyChar, out escapedCharacter))
{
Text += escapedCharacter;
}
else
{
Text += e.KeyChar;
}
}
break;
}
}
protected internal virtual void CharEntered(InputEventKeyboard e)
{
}
internal override void OnKeyboardPress(InputEventKeyboard args)
{
}
internal override void OnKeyboardPress(InputEventKeyboard args)
{
// Ctrl-X: Cut
if (args.KeyCode == WinKeys.X && args.Control)
{
byte[] data = new byte[64];
for (int i = 0; i < 64; i++)
{
data[i] = State.Data.TileGfx.GetPixel(State.SelectedPage, State.SelectedTile, i);
State.SetPixel(State.SelectedPage, State.SelectedTile, i, 0);
}
State.Clipboard.Cut(ClipboardData.Tile, data);
}
// Ctrl-C: Copy
if (args.KeyCode == WinKeys.C && args.Control)
{
byte[] data = new byte[64];
for (int i = 0; i < 64; i++)
{
data[i] = State.Data.TileGfx.GetPixel(State.SelectedPage, State.SelectedTile, i);
}
State.Clipboard.Copy(ClipboardData.Tile, data);
}
// Ctrl-V: Paste
if (args.KeyCode == WinKeys.V && args.Control)
{
if (!State.Clipboard.HasData || State.Clipboard.DataType != ClipboardData.Tile)
{
return;
}
byte[] data = State.Clipboard.Paste();
for (int i = 0; i < 64; i++)
{
State.SetPixel(State.SelectedPage, State.SelectedTile, i, data[i]);
}
}
// Ctrl-H: Horizontal Mirror
if (args.KeyCode == WinKeys.H && args.Control)
{
byte[] data = new byte[64];
for (int i = 0; i < 64; i++)
{
data[i] = State.Data.TileGfx.GetPixel(State.SelectedPage, State.SelectedTile, i);
}
for (int i = 0; i < 64; i++)
{
State.SetPixel(State.SelectedPage, State.SelectedTile, (7 - i % 8) + (i / 8) * 8, data[i]);
}
}
// Ctrl-F: Vertical Mirror
if (args.KeyCode == WinKeys.F && args.Control)
{
byte[] data = new byte[64];
for (int i = 0; i < 64; i++)
{
data[i] = State.Data.TileGfx.GetPixel(State.SelectedPage, State.SelectedTile, i);
}
for (int i = 0; i < 64; i++)
{
State.SetPixel(State.SelectedPage, State.SelectedTile, (i % 8) + (7 - (i / 8)) * 8, data[i]);
}
}
}
private void onKeyUp(InputEventKeyboard e)
{
addEvent(new InputEventKeyboard(KeyboardEvent.Up, e));
}
/// <summary>
/// Raises the OnChar event. Override this method to add code to handle when a WM_CHAR message is received
/// </summary>
/// <param name="e">InputEventCKB for the OnChar event</param>
private void invokeChar(InputEventKeyboard e)
{
KeyChar?.Invoke(e);
}
private void onKeyChar(InputEventKeyboard e)
{
// Control key sends a strange wm_char message ...
if(e.Control && !e.Alt)
{
return;
}
InputEventKeyboard pressEvent = LastKeyPressEvent;
if(pressEvent == null)
{
Tracer.Critical("No corresponding KeyPress event for this WM_CHAR message.");
}
else
{
pressEvent.OverrideKeyChar(e.KeyCode);
}
}
protected internal virtual void KeyUp(InputEventKeyboard e)
{
}
private void onKeyUp(InputEventKeyboard e)
{
addEvent(new InputEventKeyboard(KeyboardEvent.Up, e));
}
internal virtual void OnKeyboardPress(InputEventKeyboard args)
{
}
/// <summary>
/// Raises the KeyUp event. Override this method to add code to handle when a key is released
/// </summary>
/// <param name="e">KeyboardPressEventArgs for the KeyUp event</param>
private void invokeKeyUp(InputEventKeyboard e)
{
KeyUp?.Invoke(e);
}
protected virtual void OnKeyboardInput(InputEventKeyboard e)
{
}
public void KeyboardInput(InputEventKeyboard e)
{
OnKeyboardInput(e);
}
private void onKeyDown(InputEventKeyboard e)
{
// handle the initial key down
if(e.Data_PreviousState == 0)
{
addEvent(new InputEventKeyboard(KeyboardEvent.Down, e));
}
// handle the key presses. Possibly multiple per keydown message.
for(int i = 0; i < e.Data_RepeatCount; i++)
{
addEvent(new InputEventKeyboard(KeyboardEvent.Press, e));
}
}
// ============================================================================================================
// Input
// ============================================================================================================
protected override void OnKeyboardInput(InputEventKeyboard e)
{
if (e.KeyCode == WinKeys.Up || e.KeyCode == WinKeys.Down)
{
var current = _renderedText.Document.GetCaratPositionByIndex(CaratAt);
if (_caratKeyUpDownX == null)
{
_caratKeyUpDownX = current.X;
}
var next = new Vector2Int(_caratKeyUpDownX.Value, current.Y + (e.KeyCode == WinKeys.Up ? -18 : 18));
var carat = _renderedText.Document.GetCaratIndexByPosition(next);
if (carat != -1)
{
CaratAt = carat;
}
}
else
{
_caratKeyUpDownX = null;
switch (e.KeyCode)
{
case WinKeys.Tab:
Parent.KeyboardTabToNextFocus(this);
break;
case WinKeys.Enter:
InsertCharacter(CaratAt, '\n');
break;
case WinKeys.Back:
if (CaratAt == 0)
{
_onPageUnderflow.Invoke(PageIndex);
}
else
{
RemoveCharacter(CaratAt);
}
break;
case WinKeys.Left:
if (CaratAt == 0)
{
_onPreviousPage?.Invoke(PageIndex);
}
else
{
CaratAt = CaratAt - 1;
}
break;
case WinKeys.Right:
if (CaratAt == Text.Length)
{
_onNextPage?.Invoke(PageIndex);
}
else
{
CaratAt = CaratAt + 1;
}
break;
default:
if (e.IsChar && e.KeyChar >= 32)
{
InsertCharacter(CaratAt, e.KeyChar);
}
break;
}
}
SetBlinkOn();
}
/// <summary>
/// Raises the KeyDown event. Override this method to add code to handle when a key is pressed
/// </summary>
/// <param name="e">InputEventCKB for the KeyDown event</param>
private void invokeKeyDown(InputEventKeyboard e)
{
KeyDown?.Invoke(e);
}
public void KeyboardInput(InputEventKeyboard e)
{
OnKeyboardInput(e);
}
protected internal override void CharEntered(InputEventKeyboard e)
{
lock (RenderRule)
{
switch (e.KeyChar)
{
case '\b': {
//Backspace <= remove selected or remove before cursor
if (RenderRule.HasSelected)
{
RenderRule.RemoveSelected();
}
else
{
RenderRule.BackSpace();
}
break;
}
case '\n':
case '\r': {
//New Line <= Insert character after cursor
if (RenderRule.HasSelected)
{
RenderRule.RemoveSelected();
}
RenderRule.Insert(e.KeyChar);
break;
}
case '\t': {
//Tabs currently not supported
return;
}
case (char)3: {
//Copy
Clipboard.SetDataObject(RenderRule.GetSelected(), true);
break;
}
case (char)22: {
//Paste
if (RenderRule.HasSelected)
{
RenderRule.RemoveSelected();
}
var dataObject = Clipboard.GetDataObject();
if (dataObject != null)
{
var text = dataObject.GetData(DataFormats.Text).ToString();
RenderRule.Insert(text);
}
break;
}
case (char)24: {
//Cut
if (RenderRule.HasSelected)
{
Clipboard.SetDataObject(RenderRule.GetSelected(), true);
RenderRule.RemoveSelected();
}
break;
}
default: {
//Add the character
if (RenderRule.HasSelected)
{
RenderRule.RemoveSelected();
}
RenderRule.Insert(e.KeyChar);
RenderRule.SelectedChar = null;
break;
}
}
RenderRule.BakeText();
if (OnValueChanged != null)
{
OnValueChanged(this);
}
}
ResetTimer();
}
