public override void Update(GUIControlContext Context, double Time)
{
// Mouse navigation.
Rectangle inner = new Rectangle(this.Size).Margin(this._Style.Margin);
MouseState ms = Context.MouseState;
this._MouseDown = false;
if (ms != null)
{
Point mousepos = ms.Position;
foreach (_Item i in this._Items)
{
Rectangle irect = this._ItemRect(inner, i);
if (irect.In(mousepos))
{
if (ms.IsButtonDown(MouseButton.Left))
{
this._MouseDown = true;
}
if ((mousepos - this._LastMouse).SquareLength > 1.0 || this._MouseDown)
{
if (this._Select(i))
{
this._UpdateSubmenu(irect);
}
}
if (ms.HasReleasedButton(MouseButton.Left))
{
this._Click();
}
}
}
this._LastMouse = mousepos;
}
// Keyboard navigation
KeyboardState ks = Context.KeyboardState;
if (ks != null && !this._MouseDown)
{
foreach (KeyEvent ke in ks.Events)
{
_Item nitem = this._Active;
if (ke.Type == ButtonEventType.Down)
{
if (ke.Key == Key.Down)
{
// Navigate down
if (this._Active == null)
{
nitem = this._Items[0];
}
else
{
nitem = this._ItemAtOffsetIndex(this._Active, 1);
}
}
if (ke.Key == Key.Up)
{
// Navigate up
if (this._Active == null)
{
nitem = this._Items[this._Items.Count - 1];
}
else
{
nitem = this._ItemAtOffsetIndex(this._Active, -1);
}
}
if (ke.Key == Key.Left)
{
if (this._Parent != null)
{
this._Parent._Submenu = null;
}
this.Dismiss();
return;
}
if (ke.Key == Key.Right)
{
if (this._Active != null)
{
this._UpdateSubmenu(_ItemRect(inner, this._Active));
return;
}
}
if (ke.Key == Key.Enter)
{
this._Click();
return;
}
}
if (nitem != this._Active)
{
this._Select(nitem);
}
}
// Super quick number navigation
foreach (char c in ks.Presses)
{
int n = (int)c - 49;
if (n >= 0 && n < 9)
{
if (n < this._Items.Count)
{
_Item item = this._Items[n];
if (this._Select(item))
{
this._UpdateSubmenu(this._ItemRect(inner, item));
this._Click();
}
}
}
}
}
if (this._Submenu == null && !Context.HasKeyboard)
{
Context.CaptureKeyboard();
}
}
public override void Update(GUIControlContext Context, double Time)
{
// Handle mouse selection.
MouseState ms = Context.MouseState;
if (ms != null)
{
if (this._MouseDrag)
{
if(ms.IsButtonDown(MouseButton.Left))
{
this._Selection.End = this._SelectedIndex(ms.Position);
}
else
{
Context.ReleaseMouse();
this._MouseDrag = false;
}
}
if (ms.HasPushedButton(MouseButton.Left))
{
Context.CaptureMouse();
Context.CaptureKeyboard();
this._Selection = new TextSelection(this._SelectedIndex(ms.Position));
this._MouseDrag = true;
}
}
}
public override void Update(GUIControlContext Context, double Time)
{
// Handle mouse selection.
MouseState ms = Context.MouseState;
if (ms != null)
{
if (this._MouseDrag)
{
if(ms.IsButtonDown(MouseButton.Left))
{
this._Selection.End = this._SelectedIndex(ms.Position);
}
else
{
Context.ReleaseMouse();
this._MouseDrag = false;
}
}
if (ms.HasPushedButton(MouseButton.Left))
{
Context.CaptureMouse();
Context.CaptureKeyboard();
this._Selection = new TextSelection(this._SelectedIndex(ms.Position));
this._MouseDrag = true;
}
}
TextSelection ts = this._Selection;
if (ts != null && !Context.HasKeyboard)
{
this._Selection = ts = null;
if (this.TextEntered != null)
{
this.TextEntered(this._Text);
}
}
// Flash the cursor
this._CursorFlashTime += Time;
double cfr = this._Style.CursorFlashRate;
while (this._CursorFlashTime > cfr)
{
this._CursorFlashTime -= cfr * 2.0;
}
// Update text
KeyboardState ks = Context.KeyboardState;
if (ks != null && ts != null)
{
bool changed = false;
foreach (char c in ks.Presses)
{
int starti;
int endi;
ts.Order(out starti, out endi);
if (c == '\b')
{
if (endi - starti > 0)
{
if(this._TryChangeText(this._Text.Substring(0, starti) + this._Text.Substring(endi, this._Text.Length - endi)))
{
this._Selection = new TextSelection(starti);
changed = true;
}
}
else
{
if (starti > 0)
{
if (this._TryChangeText(this._Text.Substring(0, starti - 1) + this._Text.Substring(starti, this._Text.Length - starti)))
{
this._Selection = new TextSelection(starti - 1);
changed = true;
}
}
}
continue;
}
if (ValidChar(c))
{
if (this._TryChangeText(this._Text.Substring(0, starti) + c + this._Text.Substring(endi, this._Text.Length - endi)))
{
this._Selection = new TextSelection(starti + 1);
changed = true;
}
}
}
if (changed)
{
this._CursorFlashTime = 0.0;
this._TextSample.Dispose();
this._MakeTextSample();
}
// Navigation
foreach (KeyEvent ke in ks.Events)
{
if (ke.Type == ButtonEventType.Down)
{
int ss = this._Selection.Start;
if (ke.Key == Key.Left)
{
if (ss > 0)
{
this._Selection = new TextSelection(ss - 1);
}
}
if (ke.Key == Key.Right)
{
if (ss < this._Text.Length)
{
this._Selection = new TextSelection(ss + 1);
}
}
}
}
// Enter?
if (ks.IsKeyDown(Key.Enter))
{
this._Selection = null;
Context.ReleaseKeyboard();
if (this.TextEntered != null)
{
this.TextEntered(this._Text);
}
}
}
}
