void createHandle() {
super.createHandle();
state |= THEME_BACKGROUND;
if (OS.COMCTL32_MAJOR < 6) {
layout = new TextLayout(display);
if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION(4, 10)) {
linkColor = Color.win32_new(display, OS.GetSysColor(OS.COLOR_HOTLIGHT));
} else {
linkColor = new Color(display, LINK_FOREGROUND);
}
disabledColor = Color.win32_new(display, OS.GetSysColor(OS.COLOR_GRAYTEXT));
offsets = new Point[0];
ids = new String[0];
mnemonics = new int[0];
selection = new Point(-1, -1);
focusIndex = mouseDownIndex = -1;
}
}
void releaseWidget() {
super.releaseWidget();
if (layout != null) layout.dispose();
layout = null;
if (linkColor != null) linkColor.dispose();
linkColor = null;
disabledColor = null;
offsets = null;
ids = null;
mnemonics = null;
text = null;
}
/**
* Invokes platform specific functionality to allocate a new color.
*
* <p><b>IMPORTANT:</b> This method is <em>not</em> part of the public API for <code>Color</code>.
* It is marked public only so that it can be shared within the packages provided by SWT. It is
* not available on all platforms, and should never be called from application code.
*
* @param device the device on which to allocate the color
* @param handle the handle for the color
* @param alpha the int for the alpha content in the color
* @return a new color object containing the specified device and handle
* @noreference This method is not intended to be referenced by clients.
*/
public static Color win32_new(Device device, int handle, int alpha) {
Color color = new Color(device);
color.handle = handle;
color.alpha = alpha;
return color;
}
