protected internal override void Update(float delta)
{
mPassTime = (mPassTime + delta) % Duration;
void OnSizeChange()
{
//ensure the size of input text
Size = new Size(Size.Width, Utility.Max(Size.Height, 4));
FontSize = Size.Height - 4;
}
void OnFontChange()
{
//when font changed
var font = FontClass.Fonts(FontSize);
//do not need to change the text buffer, because we do not change any propertry
if (mTextBuffer != null && mTextBuffer.Content == Content && mTextBuffer.Font == font)
{
return;
}
Utility.Dispose(ref mTextBuffer);
mTextBuffer = new RowText(Content, font);
}
OnSizeChange();
OnFontChange();
//ensure the cursor position is legal, from [0, content.length]
Cursor = Utility.Clamp(Cursor, 0, Content.Length);
}
public virtual void DrawText(Point2f position, RowText text, Colorf color)
{
DrawImage(new Rectanglef(
position.X,
position.Y,
position.X + text.Size.Width,
position.Y + text.Size.Height), text.Image, color, GuiRenderMode.Text);
}
public virtual void DrawText(Position <float> position, RowText text, Color <float> color)
{
DrawImage(new Rectangle <float>(
position.X,
position.Y,
position.X + text.Size.Width,
position.Y + text.Size.Height), text.Image, color);
}
public GuiInputText(string content, FontClass fontClass, Size size)
{
Content = content;
FontClass = fontClass;
Size = size;
Cursor = 0;
Style = new GuiInputTextStyle();
Dragable = false;
mTextBuffer = null;
}
internal void SetPropertyToAsset()
{
//do not need to update the input text
if (mInputText != null && mInputText.Content == Content && mInputText.Font == Font)
{
return;
}
//dispose the input text and create new input text
Utility.Dispose(ref mInputText);
//limit the cursor position
CursorLocation = Utility.Clamp(CursorLocation, NullLocation, Content.Length);
mInputText = new RowText(Content, Font);
}