public override void Update()
{
bool altPressed = KeyboardInput.AltIsPressed;
bool released = prevAltPressed && !altPressed;
if (released && specialChar != null)
{
// If specialChar is anything but valid numbers this will throw.
// Ignore and move on.
try
{
char c = (char)int.Parse(specialChar);
if (TextHelper.CharIsValid(c))
{
TextInput(c);
}
}
catch { }
specialChar = null;
}
prevAltPressed = altPressed;
// Our children may have input focus but we can still steal away the buttons we care about.
GamePadInput pad = GamePadInput.GetGamePad0();
// Mouse input
Vector2 hit = MouseInput.PositionVec;
hit = (hit - BokuGame.ScreenPosition);
// Touch input
TouchContact touch = TouchInput.GetOldestTouch();
Vector2 touchHit = Vector2.Zero;
if (touch != null)
{
touchHit = touch.position;
touchHit = (touchHit - BokuGame.ScreenPosition);
}
// If the virtual keybaord is active, don't let touch input leak through.
if (touch != null && VirtualKeyboard.Active && VirtualKeyboard.HitBox.Contains(touch.position))
{
touch = null;
}
bool bSave = false;
bool bCanceled = false;
if (null != touch)
{
parent.touchedThisFrame = true;
if (shared.bHitBox.Touched(touch, touchHit))
{
bCanceled = true;
}
if (shared.aHitBox.Touched(touch, touchHit))
{
bSave = true;
}
}
bCanceled = bCanceled || pad.ButtonB.WasPressed || shared.bHitBox.LeftPressed(hit);
bSave = bSave || pad.ButtonA.WasPressed || KeyboardInput.WasPressed(Keys.Escape) || shared.aHitBox.LeftPressed(hit);
if (bCanceled)
{
// Cancel.
// Ignore the edited text. Just exit.
// Don't Ignore the EditDone Callback.
if (null != shared.onEditDone)
{
shared.onEditDone(true, "");
shared.onEditDone = null;
}
parent.Deactivate();
pad.ButtonB.ClearAllWasPressedState();
}
else if (bSave)
{
shared.onEditDone(false, shared.blob.ScrubbedText);
shared.onEditDone = null;
parent.Deactivate();
pad.ButtonA.ClearAllWasPressedState();
KeyboardInput.ClearAllWasPressedState(Keys.Escape);
}
Vector2 testhit = hit;
if (touch != null)
{
testhit = touchHit;
}
bool bMouseHit = shared.textAreaHitBox.LeftPressed(hit);
bool bTouched = touch != null && shared.textAreaHitBox.Touched(touch, touchHit);
// Check for hits in the text area. The scroll arrows intrude a bit so ignore anything in that area.
if (bMouseHit || bTouched)
{
if (bTouched)
{
KeyboardInput.ShowOnScreenKeyboard();
}
// Move the cursor to where the user pressed.
// Calc line we're on.
int line = (int)((testhit.Y - shared.textAreaHitBox.Min.Y) / shared.blob.TotalSpacing) + shared.topLine;
int curLine = 0;
int x = 0;
shared.blob.FindCursorLineAndPosition(out curLine, out x);
if (curLine > line)
{
for (int i = 0; i < curLine - line; i++)
{
shared.blob.CursorUp();
}
}
else if (curLine < line)
{
for (int i = 0; i < line - curLine; i++)
{
shared.blob.CursorDown();
}
}
shared.blob.FindCursorLineAndPosition(out curLine, out x);
int mouseX = (int)(testhit.X - shared.textAreaHitBox.Min.X);
// Ensure mouseX is within the current line. Be sure to account for justification.
int curLineWidth = shared.blob.GetLineWidth(curLine);
int totalWidth = shared.blob.Width;
//Calculate margin based on justification.
int margin = 0;
switch (shared.blob.Justification)
{
case UIGridElement.Justification.Center:
margin = (totalWidth - curLineWidth) / 2;
break;
case UIGridElement.Justification.Right:
margin = totalWidth - curLineWidth;
break;
}
mouseX = Math.Max(mouseX, margin);
mouseX = Math.Min(mouseX, margin + curLineWidth);
shared.blob.SetCursorPosition(curLine, mouseX);
shared.blob.FindCursorLineAndPosition(out curLine, out x);
}
// If we're not shutting down...
if (parent.Active)
{
} // end if not shutting down.
} // end of Update()
