wndclass.java

一个开源的组件

package org.xvolks.jnative.misc;
import org.xvolks.jnative.exceptions.NativeException;
import org.xvolks.jnative.misc.basicStructures.AbstractBasicData;
import org.xvolks.jnative.misc.basicStructures.LONG;
import org.xvolks.jnative.pointers.NullPointer;
import org.xvolks.jnative.pointers.Pointer;
import org.xvolks.jnative.pointers.memory.GlobalMemoryBlock;
import org.xvolks.jnative.pointers.memory.MemoryBlockFactory;


public class WNDCLASS extends AbstractBasicData<WNDCLASS> {
	private LONG style = new LONG(0);
	private LONG lpfnWndProc = new LONG(0);
	private int cbClsExtra = 0;
	private int cbWndExtra = 0;
	private LONG hInstance = new LONG(0);
    private LONG hIcon = new LONG(0);
    private LONG hCursor = new LONG(0);
    private LONG hbrBackground = new LONG(0);
    private String lpszMenuName = null;
    private String lpszClassName = null;
    
    private final Pointer lpszMenuNamePointer;
    private final Pointer lpszClassNamePointer;
    
	public WNDCLASS() throws NativeException {
		this((WNDCLASS)null);
	}
	protected WNDCLASS(WNDCLASS lValue) throws NativeException {
		super(lValue);
		lpszMenuNamePointer = new Pointer(MemoryBlockFactory.createMemoryBlock(512));
		lpszClassNamePointer = new Pointer(MemoryBlockFactory.createMemoryBlock(512));
	}

	private void toPointer() throws NativeException {
		int offset = 0;
		offset += pointer.setIntAt(offset, style.getValue());
		offset += pointer.setIntAt(offset, lpfnWndProc.getValue());
		offset += pointer.setIntAt(offset, cbClsExtra);
		offset += pointer.setIntAt(offset, cbWndExtra);
		offset += pointer.setIntAt(offset, hInstance.getValue());
		offset += pointer.setIntAt(offset, hIcon.getValue());
		offset += pointer.setIntAt(offset, hCursor.getValue());
		offset += pointer.setIntAt(offset, hbrBackground.getValue());
		if(lpszClassName != null) {
			lpszClassNamePointer.setStringAt(0, lpszClassName);
		}
		if(lpszMenuName != null) {
			lpszMenuNamePointer.setStringAt(0, lpszMenuName);
		}
		offset += pointer.setIntAt(offset, lpszMenuName == null ? NullPointer.NULL.getPointer() : lpszMenuNamePointer.getPointer());
		offset += pointer.setIntAt(offset, lpszClassName == null ? NullPointer.NULL.getPointer() :lpszClassNamePointer.getPointer());
	}
	private void fromPointer() throws NativeException {
		style = new LONG(getNextInt());
		lpfnWndProc = new LONG(getNextInt());
		cbClsExtra = getNextShort();
		cbWndExtra = getNextShort();
		hInstance = new LONG(getNextInt());
		hIcon = new LONG(getNextInt());
		hCursor = new LONG(getNextInt());
		hbrBackground = new LONG(getNextInt());
		hCursor = new LONG(getNextInt());
		lpszClassName = lpszClassNamePointer.getAsString();
		lpszMenuName = lpszMenuNamePointer.getAsString();
	}
	
	public Pointer createPointer() throws NativeException {
		if(pointer == null) {
			pointer = new Pointer(new GlobalMemoryBlock(getSizeOf()));
		}
		toPointer();
		return pointer;
	}

	public int getSizeOf() {
		return 40;
	}

	public WNDCLASS getValueFromPointer() throws NativeException {
		fromPointer();
		return this;
	}

	public int getCbClsExtra() {
		return cbClsExtra;
	}

	public void setCbClsExtra(int cbClsExtra) {
		this.cbClsExtra = cbClsExtra;
	}

	public int getCbWndExtra() {
		return cbWndExtra;
	}

	public void setCbWndExtra(int cbWndExtra) {
		this.cbWndExtra = cbWndExtra;
	}

	public LONG getHbrBackground() {
		return hbrBackground;
	}

	public void setHbrBackground(LONG hbrBackground) {
		this.hbrBackground = hbrBackground;
	}

	public LONG getHCursor() {
		return hCursor;
	}

	public void setHCursor(LONG cursor) {
		hCursor = cursor;
	}

	public LONG getHIcon() {
		return hIcon;
	}

	public void setHIcon(LONG icon) {
		hIcon = icon;
	}

	public LONG getHInstance() {
		return hInstance;
	}

	public void setHInstance(LONG instance) {
		hInstance = instance;
	}

	public LONG getLpfnWndProc() {
		return lpfnWndProc;
	}

	public void setLpfnWndProc(LONG lpfnWndProc) {
		this.lpfnWndProc = lpfnWndProc;
	}

	public String getLpszClassName() {
		return lpszClassName;
	}

	public void setLpszClassName(String lpszClassName) {
		this.lpszClassName = lpszClassName;
	}

	public String getLpszMenuName() {
		return lpszMenuName;
	}

	public void setLpszMenuName(String lpszMenuName) {
		this.lpszMenuName = lpszMenuName;
	}

	public LONG getStyle() {
		return style;
	}

	public void setStyle(LONG style) {
		this.style = style;
	}

}