adding spy tool

1 files changed, 482 insertions, 0 deletions

diff --git a/bundles/org.eclipse.swt.tools/src/org/eclipse/swt/tools/views/SpyView.java b/bundles/org.eclipse.swt.tools/src/org/eclipse/swt/tools/views/SpyView.java
new file mode 100644
index 0000000000..d6fbeed8ce
--- /dev/null
+++ b/bundles/org.eclipse.swt.tools/src/org/eclipse/swt/tools/views/SpyView.java
@@ -0,0 +1,482 @@
+/*******************************************************************************
+ * Copyright (c) 2004, 2009 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.swt.tools.views;
+
+import java.io.*;
+import java.lang.reflect.*;
+
+import org.eclipse.jface.action.*;
+import org.eclipse.swt.*;
+import org.eclipse.swt.custom.*;
+import org.eclipse.swt.tools.*;
+import org.eclipse.swt.widgets.*;
+import org.eclipse.ui.*;
+import org.eclipse.ui.part.*;
+
+public class SpyView extends ViewPart {
+	private StyledText output;
+	private Action spyAction;
+	private Listener keyFilter;
+	private Runnable timer;
+	private Control lastControl;
+	
+	static final int TIMEOUT = 100;
+
+	/**
+	 * This is a callback that will allow us
+	 * to create the viewer and initialize it.
+	 */
+	public void createPartControl(Composite parent) {
+		output = new StyledText(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.READ_ONLY);
+		
+		keyFilter = new Listener() {
+			public void handleEvent(Event e) {
+				// If this accelerator changes, change the tooltip text
+				if (e.keyCode == '.' && e.stateMask == (SWT.ALT | SWT.SHIFT | SWT.CONTROL)) {
+					if (spyAction.isChecked()) {
+						spyAction.setChecked(false);
+					} else {
+						spyAction.setChecked(true);
+						spyAction.run();
+					}
+				};
+				e.doit = false;
+			}
+		};
+		parent.getDisplay().addFilter(SWT.KeyDown, keyFilter);
+		
+		timer = new Runnable() {
+			public void run() {
+				if (output == null || output.isDisposed() || !spyAction.isChecked()) return;
+				Display display = output.getDisplay();
+				Control control = display.getCursorControl();
+				if (control != lastControl) {
+					StringBuffer text = new StringBuffer();
+					if (control != null) {
+						text.append(control+"@"+getOSHandle(control)+"\n");
+						text.append("\tStyle: "+getStyle(control)+"\n");
+						text.append("\tLayout Data: "+control.getLayoutData()+"\n");
+						text.append("\tBounds: "+control.getBounds()+"\n");
+						text.append("\n");
+						if (control instanceof Composite) {
+							text.append("\nChildren:\n");
+							Control[] children = ((Composite)control).getChildren();
+							for (int i = 0; i < children.length; i++) {
+								text.append("\t"+children[i]+"\n");
+							}
+						}
+						Composite parent = control.getParent();
+						if (parent != null) {
+							text.append("\nPeers:\n");
+							Control[] peers = parent.getChildren();
+							for (int i = 0; i < peers.length; i++) {
+								text.append("\t");
+								if (peers[i] == control) text.append("*");
+								text.append(peers[i]+"@"+getOSHandle(peers[i]));
+								text.append(" Layout Data: "+peers[i].getLayoutData());
+								text.append(" Bounds: "+peers[i].getBounds());
+								text.append("\n");
+							}
+							text.append("\nParent Tree:\n");
+							Composite[] parents = new Composite[0];
+							while (parent != null) {
+								Composite[] newParents = new Composite[parents.length + 1];
+								System.arraycopy(parents, 0, newParents, 0, parents.length);
+								newParents[parents.length] = parent;
+								parents = newParents;
+								parent = parent.getParent();
+							}
+							for (int i = parents.length - 1; i >= 0; i--) {
+								String prefix = "";
+								for (int j = 0; j < parents.length - i - 1; j++) {
+									prefix += "\t";
+								}
+								text.append(prefix + parents[i]+"@"+getOSHandle(parents[i])+"\n");
+								text.append(prefix+"\t Style: "+getStyle(parents[i])+"\n");
+								text.append(prefix+"\t Bounds: "+parents[i].getBounds()+"\n");
+								text.append(prefix+"\t Layout: "+parents[i].getLayout()+"\n");
+								text.append(prefix+"\t LayoutData: "+parents[i].getLayoutData()+"\n");
+							}
+						}
+						Error error = (Error)control.getData("StackTrace");
+						if (error != null) {
+							text.append("\nCreation Stack Trace:\n");
+							ByteArrayOutputStream stream = new ByteArrayOutputStream();
+							PrintStream s = new PrintStream(stream);
+							error.printStackTrace(s);
+							text.append(stream.toString());
+						}
+					}
+					output.setText(text.toString());
+				}
+				lastControl = control;
+				display.timerExec(100, this);			
+			}
+		};
+		
+		makeActions();
+		contributeToActionBars();
+	}
+	
+	/**
+	 * Passing the focus request to the viewer's control.
+	 */
+	public void setFocus() {
+		if (output != null & !output.isDisposed()) output.setFocus();
+	}
+	
+	private String getOSHandle(Control control) {
+		String[] fieldNames = {"handle", "view"};
+		for (int i = 0; i < fieldNames.length; i++) {
+			try {
+				Field field = control.getClass().getField(fieldNames[i]);
+				if (field != null) return field.get(control).toString();
+			} catch (Throwable e) {}
+		}
+		return "";
+	}
+	
+	private void contributeToActionBars() {
+		IActionBars bars = getViewSite().getActionBars();
+		fillLocalPullDown(bars.getMenuManager());
+		fillLocalToolBar(bars.getToolBarManager());
+	}
+	
+	public void dispose() {
+		Display.getCurrent().removeFilter(SWT.KeyDown, keyFilter);
+		super.dispose();
+	}
+
+	private void fillLocalPullDown(IMenuManager manager) {
+		manager.add(spyAction);
+	}
+
+	private void fillLocalToolBar(IToolBarManager manager) {
+		manager.add(spyAction);
+	}
+	
+	private void makeActions() {
+		spyAction = new Action() {
+			public void run() {
+				Display.getCurrent().timerExec(TIMEOUT, timer);
+			}
+		};
+		spyAction.setText("Spy");
+		spyAction.setToolTipText("Toggle Spy (CONTROL+ALT+SHIFT+.)");
+		spyAction.setImageDescriptor(Activator.getImageDescriptor("icons/spy.gif"));
+		spyAction.setChecked(false);
+	}
+	
+	private String getStyle(Widget w) {
+		//MODELESS = 0;
+		//BAR = 1 << 1;
+		//SEPARATOR = 1 << 1;
+		//TOGGLE = 1 << 1;
+		//MULTI = 1 << 1;
+		//INDETERMINATE = 1 << 1;
+		//DBCS = 1 << 1;
+		//ALPHA = 1 << 2;
+		//TOOL = 1 << 2; 
+		//SINGLE = 1 << 2;
+		//ARROW = 1 << 2;
+		//DROP_DOWN = 1 << 2;
+		//SHADOW_IN = 1 << 2;
+		//POP_UP = 1 << 3;
+		//PUSH = 1 << 3;
+		//READ_ONLY = 1 << 3;
+		//SHADOW_OUT = 1 << 3;
+		//NO_TRIM = 1 << 3;
+		//NATIVE = 1 << 3;
+		//RESIZE = 1 << 4;
+		//SHADOW_ETCHED_IN = 1 << 4;
+		//RADIO = 1 << 4;
+		//PHONETIC = 1 << 4;
+		//ROMAN = 1 << 5;
+		//CHECK = 1 << 5;
+		//SHADOW_NONE = 1 << 5;
+		//TITLE = 1 << 5;
+		//DATE = 1 << 5;
+		//CLOSE = 1 << 6;
+		//MENU = CLOSE;
+		//CASCADE = 1 << 6;
+		//WRAP = 1 << 6;
+		//SIMPLE = 1 << 6;
+		//SHADOW_ETCHED_OUT = 1 << 6;
+		//MIN = 1 << 7;
+		//UP = 1 << 7;
+		//TOP = UP;
+		//TIME = 1 << 7;
+		//HORIZONTAL = 1 << 8;
+		//H_SCROLL = 1 << 8;
+		//V_SCROLL = 1 << 9;
+		//VERTICAL = 1 << 9;
+		//MAX = 1 << 10;
+		//DOWN               = 1 << 10;
+		//BOTTOM             = DOWN;
+		//CALENDAR = 1 << 10;
+		//BORDER = 1 << 11;
+		//CLIP_CHILDREN = 1 << 12; 
+		//BALLOON = 1 << 12;
+		//CLIP_SIBLINGS = 1 << 13;
+		//ON_TOP = 1 << 14;
+		//LEAD               = 1 << 14;
+		//LEFT               = LEAD;
+		//PRIMARY_MODAL = 1 << 15;
+		//HIDE_SELECTION = 1 << 15;
+		//SHORT = 1 << 15;
+		//MEDIUM = 1 << 16;
+		//FULL_SELECTION = 1 << 16;
+		//SMOOTH = 1 << 16;
+		//APPLICATION_MODAL = 1 << 16;
+		//SYSTEM_MODAL = 1 << 17;
+		//TRAIL              = 1 << 17;	
+		//RIGHT              = TRAIL;
+		//NO_BACKGROUND = 1 << 18;
+		//NO_FOCUS = 1 << 19;
+		//NO_REDRAW_RESIZE = 1 << 20;
+		//NO_MERGE_PAINTS = 1 << 21;
+		//NO_RADIO_GROUP = 1 << 22;
+		//PASSWORD = 1 << 22;
+		//FLAT = 1 << 23;
+		//EMBEDDED = 1 << 24;
+		//CENTER = 1 << 24;
+		//LEFT_TO_RIGHT = 1 << 25;
+		//RIGHT_TO_LEFT = 1 << 26;
+		//MIRRORED = 1 << 27;
+		//VIRTUAL = 1 << 28;
+		//LONG = 1 << 28;
+		//DOUBLE_BUFFERED = 1 << 29;
+		
+		int style = w.getStyle();
+		String result = "";
+		if (style == SWT.DEFAULT) {
+			return "DEFAULT - bad!";
+		}
+		if ((style & 1 << 1) != 0) {
+			if (w instanceof CTabFolder || w instanceof StyledText || w instanceof List || w instanceof Text || w instanceof Table || w instanceof Tree) {
+				result += "MULTI | ";
+			} else if (w instanceof Menu) {
+				result += "BAR | ";
+			} else if (w instanceof Label || w instanceof MenuItem || w instanceof ToolItem) {
+				result += "SEPARATOR | ";
+			} else if (w instanceof Button) {
+				result += "TOGGLE | ";
+			} else if (w instanceof ProgressBar) {
+				result += "INDETERMINATE | ";
+			} else {
+				result += "BAR or SEPARATOR or TOGGLE or MULTI or INDETERMINATE or DBCS | ";	
+			}
+		}
+		if ((style & 1 << 2) != 0) {
+			if (w instanceof Menu || w instanceof ToolItem || w instanceof CoolItem || w instanceof Combo) {
+				result += "DROP_DOWN | ";
+			} else if (w instanceof Button) {
+				result += "ARROW | ";
+			} else if (w instanceof CTabFolder || w instanceof StyledText || w instanceof List || w instanceof Text || w instanceof Table || w instanceof Tree) {
+				result += "SINGLE | ";
+			} else if (w instanceof Label || w instanceof Group) {
+				result += "SHADOW_IN | ";
+			} else if (w instanceof Decorations) {
+				result += "TOOL | ";
+			} else {
+				result += "ALPHA or TOOL or SINGLE or ARROW or DROP_DOWN or SHADOW_IN | ";
+			}
+		}
+		if ((style & 1 << 3) != 0) {
+			if (w instanceof Menu) {
+				result += "POP_UP | ";
+			} else if (w instanceof Button || w instanceof MenuItem || w instanceof ToolItem) {
+				result += "PUSH | ";
+			} else if (w instanceof Combo || w instanceof Text || w instanceof StyledText) {
+				result += "READ_ONLY | ";
+			} else if (w instanceof Label || w instanceof Group || w instanceof ToolBar) {
+				result += "SHADOW_OUT | ";
+			} else if (w instanceof Decorations) {
+				result += "NO_TRIM | ";	
+			} else {
+				result += "POP_UP or PUSH or READ_ONLY or SHADOW_OUT or NO_TRIM or NATIVE | ";
+			}
+		}
+		if ((style & 1 << 4) != 0) {
+			if (w instanceof Button || w instanceof MenuItem || w instanceof ToolItem) {
+				result += "RADIO | ";
+			} else if (w instanceof Group) {
+				result += "SHADOW_ETCHED_IN | ";
+			} else if (w instanceof Decorations || w instanceof Tracker) {
+				result += "RESIZE | ";
+			} else {
+				result += "RESIZE or SHADOW_ETCHED_IN or RADIO or PHONETIC | ";
+			}
+		}
+		if ((style & 1 << 5) != 0) {
+			if (w instanceof Button || w instanceof MenuItem || w instanceof ToolItem || w instanceof Table || w instanceof Tree) {
+				result += "CHECK | ";
+			} else if (w instanceof Label || w instanceof Group) {
+				result += "SHADOW_NONE | ";
+			} else if (w instanceof Decorations) {
+				result += "TITLE | ";
+			} else if (w instanceof DateTime) {
+				result += "DATE | ";
+			} else {
+				result += "ROMAN or CHECK  or SHADOW_NONE or TITLE | ";
+			}
+		}
+		if ((style & 1 << 6) != 0) {
+			if (w instanceof MenuItem) {
+				result += "CASCADE | ";
+			} else if (w instanceof StyledText || w instanceof Label || w instanceof Text || w instanceof ToolBar) {
+				result += "WRAP | ";
+			} else if (w instanceof Combo) {
+				result += "SIMPLE | ";
+			} else if (w instanceof Group) {
+				result += "SHADOW_ETCHED_OUT | ";
+			} else if (w instanceof Decorations || w instanceof CTabFolder || w instanceof CTabItem) {
+				result += "CLOSE | ";
+			} else {
+				result += "CLOSE or MENU or CASCADE or WRAP or SIMPLE or SHADOW_ETCHED_OUT | ";
+			}
+		}
+		if ((style & 1 << 7) != 0) {
+			if (w instanceof Decorations) {
+				result += "MIN | ";
+			} else if (w instanceof Button || w instanceof Tracker) {
+				result += "UP | ";
+			} else if (w instanceof CTabFolder) {
+				result += "TOP | ";
+			} else if (w instanceof DateTime) {
+				result += "TIME | ";
+			} else {
+				result += "MIN or UP or TOP | ";
+			}
+		}
+		if ((style & 1 << 8) != 0) {
+			result += "HORIZONTAL | ";
+		}
+		if ((style & 1 << 9) != 0) {
+			result += "VERTICAL | ";
+		}
+		if ((style & 1 << 10) != 0) {
+			if (w instanceof Decorations) {
+				result += "MAX | ";
+			} else if (w instanceof Button || w instanceof Tracker) {
+				result += "DOWN | ";
+			} else if (w instanceof CTabFolder) {
+				result += "BOTTOM | ";
+			} else if (w instanceof DateTime) {
+				result += "CALENDAR | ";
+			} else {
+				result += "MAX or DOWN or BOTTOM | ";
+			}
+		}
+		if ((style & 1 << 11) != 0) {
+			result += "BORDER | ";
+		}
+		if ((style & 1 << 12) != 0) {
+			if (w instanceof ToolTip) {
+				result += "BALLOON | ";
+			} else {
+				result += "CLIP_CHILDREN | ";
+			}
+		}
+		if ((style & 1 << 13) != 0) {
+			result += "CLIP_SIBLINGS | ";
+		}
+		if ((style & 1 << 14) != 0) {
+			result += "ON_TOP or LEAD or LEFT | ";
+		}
+		if ((style & 1 << 15) != 0) {
+			if (w instanceof Shell) {
+				result += "PRIMARY_MODAL | ";
+			} else if (w instanceof Table || w instanceof Tree) {
+				result += "HIDE_SELECTION | ";
+			} else if (w instanceof DateTime) {
+				result += "SHORT | ";
+			} else {
+				result += "PRIMARY_MODAL or HIDE_SELECTION | ";
+			}
+		}
+		if ((style & 1 << 16) != 0) {
+			if (w instanceof StyledText || w instanceof Table || w instanceof Tree) {
+				result += "FULL_SELECTION | ";
+			} else if (w instanceof Shell) {
+				result += "APPLICATION_MODAL | ";
+			} else if (w instanceof ProgressBar) {
+				result += "SMOOTH | ";
+			} else if (w instanceof DateTime) {
+				result += "MEDIUM | ";
+			} else {
+				result += "FULL_SELECTION or SMOOTH or APPLICATION_MODAL | ";
+			}
+		}
+		if ((style & 1 << 17) != 0) {
+			if (w instanceof Shell) {
+				result += "SYSTEM_MODAL | ";
+			} else if (w instanceof Button || w instanceof Label || w instanceof TableColumn || w instanceof Tracker || w instanceof ToolBar) {
+				result += "TRAIL | ";
+			} else {
+				result += "SYSTEM_MODAL or TRAIL or RIGHT | ";
+			}
+		}
+		if ((style & 1 << 18) != 0) {
+			result += "NO_BACKGROUND | ";
+		}
+		if ((style & 1 << 19) != 0) {
+			result += "NO_FOCUS | ";
+		}
+		if ((style & 1 << 20) != 0) {
+			result += "NO_REDRAW_RESIZE | ";
+		}
+		if ((style & 1 << 21) != 0) {
+			result += "NO_MERGE_PAINTS | ";
+		}
+		if ((style & 1 << 22) != 0) {
+			if (w instanceof Text) {
+				result += "PASSWORD | ";
+			} else if (w instanceof Composite) {
+				result += "NO_RADIO_GROUP | ";
+			} else {
+				result += "NO_RADIO_GROUP or PASSWORD | ";
+			}
+		}
+		if ((style & 1 << 23) != 0) {
+			result += "FLAT | ";
+		}
+		if ((style & 1 << 24) != 0) {
+			if (w instanceof Button || w instanceof Label || w instanceof TableColumn) {
+				result += "CENTER | ";
+			} else {
+				result += "EMBEDDED or CENTER | ";
+			}
+		}
+		if ((style & 1 << 25) != 0) {
+			result += "LEFT_TO_RIGHT | ";
+		}
+		if ((style & 1 << 26) != 0) {
+			result += "RIGHT_TO_LEFT | ";
+		}
+		if ((style & 1 << 27) != 0) {
+			result += "MIRRORED | ";
+		}
+		if ((style & 1 << 28) != 0) {
+			if (w instanceof DateTime) {
+				result += "LONG | ";
+			} else {
+				result += "VIRTUAL | ";
+			}
+		}
+		if ((style & 1 << 29) != 0) {
+			result += "DOUBLE_BUFFERED | ";
+		}
+		int lastOr = result.lastIndexOf("|");
+		if (lastOr == result.length() - 2 ) result = result.substring(0, result.length() - 2);
+		return result;
+	}
+}