?? occshell.java
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import org.eclipse.swt.SWT;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Canvas;
import org.eclipse.swt.widgets.ColorDialog;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
public class OCCShell extends Canvas {
OCCViewer viewer = new OCCViewer();
public OCCShell(Composite parent, int style) {
super(parent, SWT.NO_BACKGROUND |
SWT.NO_REDRAW_RESIZE );
int handleParent = handle;
if(!viewer.InitViewer(handleParent)){
System.out.println("Error during Graphics Init");
}
this.addPaintListener(new PaintListener(){
@Override
public void paintControl(PaintEvent e) {
if(viewer!= null)
viewer.RedrawView();
viewer.UpdateView();
}
});
this.addListener(SWT.Resize, new Listener() {
@Override
public void handleEvent(Event event) {
// TODO Auto-generated method stub
}
});
this.addListener (SWT.MenuDetect, new Listener () {
public void handleEvent (Event event) {
Menu menu = new Menu (getShell(), SWT.POP_UP);
MenuItem item = new MenuItem (menu, SWT.PUSH);
item.setText ("Set Background Color");
item.addListener (SWT.Selection, new Listener () {
public void handleEvent (Event e) {
ColorDialog cd = new ColorDialog(OCCShell.this.getShell());
cd.setText("ColorDialog Demo");
cd.setRGB(new RGB(255, 255, 255));
RGB newColor = cd.open();
if (newColor == null) {
return;
}
viewer.SetBackgroundColor(newColor.red, newColor.green, newColor.blue);
viewer.UpdateCurrentViewer();
}
});
MenuItem item2 = new MenuItem (menu, SWT.PUSH);
item2.setText ("ImportBrep");
item2.addListener (SWT.Selection, new Listener () {
public void handleEvent (Event e) {
FileDialog dialog = new FileDialog(getShell());
dialog.setFilterExtensions(new String[] {"*.brep"});
String filename = dialog.open();
//filename += '\0';
if (filename == null) return;
System.out.println(filename);
System.out.println(viewer.SetAISContext(viewer));
boolean b = viewer.ImportBRep(filename);
viewer.UpdateCurrentViewer();
System.out.println(b);
}
});
menu.setLocation (event.x, event.y);
menu.setVisible (true);
while (!menu.isDisposed () && menu.isVisible ()) {
if (!getDisplay().readAndDispatch ()) getDisplay().sleep ();
}
menu.dispose ();
}
});
}
}
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