package misc.prs;


import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.internal.Callback;
import org.eclipse.swt.internal.win32.LOGFONT;
import org.eclipse.swt.internal.win32.MSG;
import org.eclipse.swt.internal.win32.NONCLIENTMETRICS;
import org.eclipse.swt.internal.win32.NONCLIENTMETRICSA;
import org.eclipse.swt.internal.win32.NONCLIENTMETRICSW;
import org.eclipse.swt.internal.win32.OS;
import org.eclipse.swt.internal.win32.TCHAR;
import org.eclipse.swt.internal.win32.TVINSERTSTRUCT;

public class PR302396 {
	
	public static void main(String[] args) {
		mainPI (args);
	}

	static Tree createTree(Composite parent) {
		final Tree tree= new Tree(parent, SWT.MULTI | SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
//		tree.setHeaderVisible(true);
//		tree.setLinesVisible(true);
		int columnCount= 0;
		for (int i= 0; i < columnCount; i++) {
			TreeColumn column= new TreeColumn(tree, SWT.NONE);
			column.setText("column 1");
		}
		int itemCount= 50;
		for (int i= 0; i < itemCount; i++) {
			TreeItem item1= new TreeItem(tree, SWT.NONE);
			item1.setText(new String("item " + i));
			TreeItem item2= new TreeItem(item1, SWT.NONE);
			item2.setText("bbbb");
		}

		final boolean PRINT = false;
		final long time = 0; 
		tree.addListener(SWT.EraseItem, new Listener() {
			private int eraseCount= 0;
			public void handleEvent(Event event) {
				if (PRINT) System.out.println("erase " + Integer.toString(eraseCount++));
				if (time > 0) try {Thread.sleep(time);} catch (InterruptedException e) {}
			}
		});
		tree.addListener(SWT.MeasureItem, new Listener() {
			private int measureCount= 0;
			public void handleEvent(Event event) {
				if (PRINT) System.out.println("measure " + Integer.toString(measureCount++));
				if (time > 0) try {Thread.sleep(time);} catch (InterruptedException e) {}
			}
		});
		tree.addListener(SWT.PaintItem, new Listener() {
			private int paintCount= 0;
			public void handleEvent(Event event) {
				if (PRINT) System.out.println("paint " + Integer.toString(paintCount++) + " " + tree.indexOf((TreeItem)event.item));
				if (time > 0) try {Thread.sleep(time);} catch (InterruptedException e) {}
//				for (int i = 0; i < 50000; i++) {
//					i += Math.pow(3, 10);
//					i -= Math.pow(3, 10);
//				}
			}
		});
		for (int i= 0; i < columnCount; i++) {
			tree.getColumn(i).pack();
		}
		return tree;
	}
	
	public static void mainSWT (String[] args) {
		final Display display= new Display();
		final Shell shell= new Shell(display);
		FillLayout layout = new FillLayout();
		layout.marginHeight = layout.marginWidth = 10;
		shell.setLayout(layout);
//		createTree(shell);
//		createTree(shell);
//		CTabFolder folder = new CTabFolder(shell, 0);
//		CTabItem item = new CTabItem (folder, 0);
//		item.setText("item0");
//		item.setControl(createTree(folder));
//		item = new CTabItem (folder, 0);
//		item.setText("item1");
//		final Tree tree = createTree(folder);
//		item.setControl(tree);
		final Composite c = new Composite (shell, 0);
		c.setLayout(new FillLayout());
		final Tree tree = createTree(c);
		tree.setBounds(0, 0, 300, 300);
//		final Canvas s  = new Canvas(c, SWT.BORDER);
//		s.setBounds(0, 0, 300, 300);
//		tree.moveAbove(s);
		
		new Button(shell, SWT.PUSH).setText("push");
		
		display.addFilter(SWT.KeyDown, new Listener() {
			public void handleEvent(Event e) {
				if (e.keyCode == SWT.F1) {
					System.out.println("sleep");
					try {Thread.sleep(2000);} catch (InterruptedException ex) {}
					System.out.println("awake");
				} else if (e.keyCode == SWT.F2) {
					Shell dialog = new Shell(shell);
					Point pt = display.getCursorLocation();
					dialog.setBounds(pt.x, pt.y, 80, 80);
					dialog.open();
				} else if (e.keyCode == SWT.F3) {
					tree.setVisible(!tree.getVisible()); 
//					c.setVisible(!c.getVisible());
//					tree.moveAbove(s);
				} else if (e.keyCode == SWT.F4) {
					//tree.setVisible(!tree.getVisible()); 
//					c.setVisible(!c.getVisible());
//					s.moveAbove(tree);
				}
			}
		});
		shell.setSize(400, 600);
		shell.open();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch())
				display.sleep();
		}
		display.dispose();
	}
	
	
	public static void mainPI (String[] args) {
		OS.InitCommonControls();
		TCHAR windowClass = new TCHAR(0, OS.IsWinCE ? "Dialog" : "#32770", true);
		int hwndShell = OS.CreateWindowEx(0,
			windowClass,
			null,
			OS.WS_VISIBLE | OS.WS_OVERLAPPEDWINDOW, OS.CW_USEDEFAULT,
			0, OS.CW_USEDEFAULT, 0, 0,
			0,
			OS.GetModuleHandle(null),
			null);
		final int hwndTree = OS.CreateWindowEx(
			OS.WS_EX_CLIENTEDGE,
			new TCHAR(0, OS.WC_TREEVIEW, true),
			null,
			OS.WS_VISIBLE | OS.WS_CHILD | OS.WS_TABSTOP | OS.WS_CLIPSIBLINGS | OS.TVS_TRACKSELECT | OS.TVS_DISABLEDRAGDROP | OS.TVS_HASBUTTONS | OS.TVS_LINESATROOT ,
			10, 10, 300, 300,
			hwndShell,
			0,
			OS.GetModuleHandle(null),
			null);
		
		final int hwndbutton = OS.CreateWindowEx(
			0,
			new TCHAR(0, "BUTTON", true),
			new TCHAR(0, "BUTTON", true),
			OS.WS_VISIBLE | OS.WS_CHILD | OS.BS_PUSHBUTTON | OS.WS_TABSTOP | OS.WS_CLIPSIBLINGS,
			400, 10, 100, 30,
			hwndShell,
			0,
			OS.GetModuleHandle(null),
			null);
		
		OS.SetWindowTheme (hwndTree, "Explorer\0".toCharArray(), null);
		int bits = OS.TVS_EX_DOUBLEBUFFER | OS.TVS_EX_FADEINOUTEXPANDOS | OS.TVS_EX_RICHTOOLTIP;
		OS.SendMessage (hwndTree, OS.TVM_SETEXTENDEDSTYLE, 0, bits);
		OS.SendMessage (hwndTree, OS.TVM_SETBKCOLOR, 0, -1);
		int /*long*/ hFont = OS.GetStockObject (OS.SYSTEM_FONT);
		NONCLIENTMETRICS info = OS.IsUnicode ? (NONCLIENTMETRICS) new NONCLIENTMETRICSW () : new NONCLIENTMETRICSA ();
		info.cbSize = NONCLIENTMETRICS.sizeof;
		if (OS.SystemParametersInfo (OS.SPI_GETNONCLIENTMETRICS, 0, info, 0)) {
			LOGFONT logFont = OS.IsUnicode ? (LOGFONT) ((NONCLIENTMETRICSW)info).lfMessageFont : ((NONCLIENTMETRICSA)info).lfMessageFont;
			hFont = OS.CreateFontIndirect (logFont);
		}
		OS.SendMessage (hwndTree, OS.WM_SETFONT, hFont, 0);
		OS.SendMessage (hwndbutton, OS.WM_SETFONT, hFont, 0);
		
		final int oldProc = OS.GetWindowLong(hwndShell, OS.GWL_WNDPROC);
		Object windowProc = new Object() {
			public int windowProc(int hwnd, int msg, int wParam, int lParam) {
				switch (msg) {
					case OS.WM_CLOSE: {
						OS.PostMessage (hwnd, /*OS.WM_QUIT*/ 0x12, 0, 0);
						break;
					}
					case OS.WM_COMMAND: {
						if (lParam == hwndbutton) {
							int code = OS.HIWORD (wParam);
							switch (code) {
								case OS.BN_CLICKED:
								case OS.BN_DOUBLECLICKED:
									System.out.println("Click");
									int bits = OS.GetWindowLong (hwndTree, OS.GWL_STYLE);
									boolean visible = (bits & OS.WS_VISIBLE) != 0;
									OS.ShowWindow (hwndTree, !visible ? OS.SW_SHOW : OS.SW_HIDE);
									break;
							}
						}
					}
				}
				return OS.CallWindowProc (oldProc, hwnd, msg, wParam, lParam);
			}
		};
		Callback newProc = new Callback(windowProc, "windowProc", 4);
		OS.SetWindowLong(hwndShell, OS.GWL_WNDPROC, newProc.getAddress());
		
		
		final int oldProc2 = OS.GetWindowLong(hwndTree, OS.GWL_WNDPROC);
		Object windowProc2 = new Object() {
			public int windowProc(int hwnd, int msg, int wParam, int lParam) {
				switch (msg) {
					case OS.WM_TIMER: {
						System.out.println("WM_TIMER " + wParam + " " + lParam);
						break;
					}
				}
				return OS.CallWindowProc (oldProc2, hwnd, msg, wParam, lParam);
			}
		};
		Callback newProc2 = new Callback(windowProc2, "windowProc", 4);
		OS.SetWindowLong(hwndTree, OS.GWL_WNDPROC, newProc2.getAddress());
		
		int hHeap = OS.GetProcessHeap();
		TCHAR buffer = new TCHAR(0, "Long item 123456789", true);
		int byteCount = buffer.length() * TCHAR.sizeof;
		int pszText = OS.HeapAlloc(hHeap, OS.HEAP_ZERO_MEMORY, byteCount);
		OS.MoveMemory(pszText, buffer, byteCount);
		buffer = new TCHAR(0, "subItem", true);
		byteCount = buffer.length() * TCHAR.sizeof;
		int pszText2 = OS.HeapAlloc(hHeap, OS.HEAP_ZERO_MEMORY, byteCount);
		OS.MoveMemory(pszText2, buffer, byteCount);
		for (int i = 0; i < 50; i++) {
			TVINSERTSTRUCT tvInsert = new TVINSERTSTRUCT();
			tvInsert.hParent = 0;
			tvInsert.hInsertAfter = 0;
			tvInsert.lParam = i;
			tvInsert.pszText = pszText;
			tvInsert.mask = OS.TVIF_TEXT | OS.TVIF_HANDLE | OS.TVIF_PARAM;
			int /*long*/ hItem = OS.SendMessage(hwndTree, OS.TVM_INSERTITEM, 0, tvInsert);
			tvInsert.hParent = hItem;
			tvInsert.pszText = pszText2;
			OS.SendMessage(hwndTree, OS.TVM_INSERTITEM, 0, tvInsert);
		}
		if (pszText != 0) OS.HeapFree(hHeap, 0, pszText);
		if (pszText2 != 0) OS.HeapFree(hHeap, 0, pszText2);
		
	    OS.ShowWindow(hwndShell, OS.SW_SHOW);
		MSG msg = new MSG ();
		while (OS.GetMessage(msg, 0, 0, 0)) {
			OS.TranslateMessage(msg);
			OS.DispatchMessage(msg);
		}
	}
}