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package org.eclipse.swt.widgets;
/*
* Licensed Materials - Property of IBM,
* (c) Copyright IBM Corp. 1998, 2001 All Rights Reserved
*/
import org.eclipse.swt.internal.photon.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.*;
import org.eclipse.swt.events.*;
public /*final*/ class Tracker extends Widget {
Composite parent;
Display display;
boolean tracking, stippled;
Rectangle [] rectangles = new Rectangle [0];
public Tracker (Display display, int style) {
if (display == null) display = Display.getCurrent ();
if (display == null) display = Display.getDefault ();
if (!display.isValidThread ()) {
error (SWT.ERROR_THREAD_INVALID_ACCESS);
}
this.style = style;
this.display = display;
}
public Tracker (Composite parent, int style) {
super (parent, style);
this.parent = parent;
this.display = parent.getDisplay ();
}
public void addControlListener(ControlListener listener) {
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
TypedListener typedListener = new TypedListener (listener);
addListener (SWT.Move,typedListener);
}
public void close () {
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
tracking = false;
}
public Display getDisplay () {
return display;
}
public Rectangle [] getRectangles () {
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
return rectangles;
}
public boolean getStippled () {
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
return stippled;
}
public boolean open () {
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
// int handle = parent.handle;
PhRect_t r = new PhRect_t ();
OS.PhWindowQueryVisible (OS.Ph_QUERY_GRAPHICS, 0, 1, r);
int width = (short) (r.lr_x - r.ul_x + 1);
int height = (short) (r.lr_y - r.ul_y + 1);
int [] args = {
OS.Pt_ARG_WIDTH, 200 /*width*/, 0,
OS.Pt_ARG_HEIGHT, 200 /*height*/, 0,
OS.Pt_ARG_REGION_OPAQUE, 0, ~0,
// OS.Pt_ARG_REGION_SENSE, OS.Ph_EV_BUT_PRESS | OS.Ph_EV_DRAG, ~0,
// OS.Pt_ARG_FILL_COLOR, OS.Pg_TRANSPARENT, 0,
};
OS.PtSetParentWidget (0);
int handle = OS.PtCreateWidget (OS.PtRegion (), 0, args.length / 3, args);
OS.PtRealizeWidget (handle);
int rid = OS.PtWidgetRid (handle);
int input_group = OS.PhInputGroup (0);
PhRect_t rect1 = new PhRect_t ();
for (int i=0; i<rectangles.length; i++) {
Rectangle rect = rectangles [i];
PhRect_t rect2 = new PhRect_t ();
rect2.ul_x = (short) rect.x;
rect2.ul_y = (short) rect.y;
rect2.lr_x = (short) (rect.x + rect.width - 1);
rect2.lr_y = (short) (rect.y + rect.height - 1);
if (i == 0) rect1 = rect2;
OS.PhRectUnion (rect1, rect2);
}
rect1.ul_x = rect1.ul_y = 10;
rect1.lr_x = rect1.lr_y = 100;
int result = OS.PhInitDrag (rid, OS.Ph_DRAG_KEY_MOTION | OS.Ph_TRACK_DRAG, rect1, null, input_group, null, null, null, null /*pos*/, null);
return result == 0;
}
public void removeControlListener (ControlListener listener) {
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
if (eventTable == null) return;
eventTable.unhook (SWT.Move, listener);
}
public void setRectangles (Rectangle [] rectangles) {
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
if (rectangles == null) error (SWT.ERROR_NULL_ARGUMENT);
this.rectangles = rectangles;
}
public void setStippled (boolean stippled) {
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
this.stippled = stippled;
}
}
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