/*******************************************************************************
* 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, fullyQualifiedAction;
private Listener keyFilter;
private Runnable timer;
private Control lastControl;
private Field field;
static final int TIMEOUT = 100;
/**
* This is a callback that will allow us
* to create the viewer and initialize it.
*/
@Override
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.type = SWT.None;
}
}
};
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(getName(control)+"@"+getOSHandle(control)+"\n");
text.append("\tStyle: "+getStyle(control)+"\n");
text.append("\tLayout Data: "+getName(control.getLayoutData())+"\n");
text.append("\tBounds: "+control.getBounds()+"\n");
if (control instanceof Composite && ((Composite)control).getLayout() != null) {
text.append("\tLayout: "+getName(((Composite)control).getLayout())+"\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"+getName(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(getName(peers[i])+"@"+getOSHandle(peers[i]));
text.append(" Layout Data: "+getName(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 = "\t";
for (int j = 0; j < parents.length - i - 1; j++) {
prefix += "\t";
}
text.append(prefix + getName(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: "+getName(parents[i].getLayout())+"\n");
text.append(prefix+"\t LayoutData: "+getName(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();
}
String getName(Object object) {
if (object == null) return "null";
String name = object.toString ();
if (fullyQualifiedAction.isChecked()) {
int index = name.indexOf(' ');
if (index >= 0 && name.length() >= 1) {
name = object.getClass ().getName () + name.substring(index);
}
}
return name;
}
/**
* Passing the focus request to the viewer's control.
*/
@Override
public void setFocus() {
if (output != null & !output.isDisposed()) output.setFocus();
}
private String getOSHandle(Control control) {
if (field == null) {
String[] fieldNames = {"handle", "view"};
for (int i = 0; i < fieldNames.length; i++) {
try {
field = control.getClass().getField(fieldNames[i]);
if (field != null) break;
} catch (Throwable e) {}
}
}
try {
return field.get(control).toString();
} catch (Throwable e) {}
return "";
}
private void contributeToActionBars() {
IActionBars bars = getViewSite().getActionBars();
fillLocalPullDown(bars.getMenuManager());
fillLocalToolBar(bars.getToolBarManager());
}
@Override
public void dispose() {
if (keyFilter != null) {
Display.getCurrent().removeFilter(SWT.KeyDown, keyFilter);
}
super.dispose();
}
private void fillLocalPullDown(IMenuManager manager) {
manager.add(spyAction);
manager.add(fullyQualifiedAction);
}
private void fillLocalToolBar(IToolBarManager manager) {
manager.add(spyAction);
}
private void makeActions() {
spyAction = new Action("Spy", IAction.AS_CHECK_BOX) {
@Override
public void run() {
Display.getCurrent().timerExec(TIMEOUT, timer);
}
};
spyAction.setToolTipText("Toggle Spy (CONTROL+ALT+SHIFT+.)");
spyAction.setImageDescriptor(Activator.getImageDescriptor("icons/spy.gif"));
fullyQualifiedAction = new Action("Fully Qualify Names", IAction.AS_CHECK_BOX) {
@Override
public void run() {
}
};
}
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;
}
}