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nyawn |
////////////////////////////////////////////////////////////////
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//
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// guiServerGroup.java
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//
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// Copyright (C) 2010 Nathan Yawn
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// (nyawn@opencores.org)
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//
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// This class contains the GUI elements related to the server
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// connection. This includes the server address and port
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// number, the connect button, and the network status message
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// display.
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//
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////////////////////////////////////////////////////////////////
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//
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// This source file may be used and distributed without
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// restriction provided that this copyright statement is not
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// removed from the file and that any derivative work contains
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// the original copyright notice and the associated disclaimer.
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//
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// This source file is free software; you can redistribute it
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// and/or modify it under the terms of the GNU General
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// Public License as published by the Free Software Foundation;
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// either version 3.0 of the License, or (at your option) any
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// later version.
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//
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// This source is distributed in the hope that it will be
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// useful, but WITHOUT ANY WARRANTY; without even the implied
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// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the GNU Lesser General Public License for more
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// details.
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//
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// You should have received a copy of the GNU General
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// Public License along with this source; if not, download it
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// from http://www.gnu.org/licenses/gpl.html
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//
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////////////////////////////////////////////////////////////////
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nyawn |
package advancedWatchpointControl;
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nyawn |
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nyawn |
import org.eclipse.swt.SWT;
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import org.eclipse.swt.graphics.FontMetrics;
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import org.eclipse.swt.graphics.GC;
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import org.eclipse.swt.layout.GridData;
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import org.eclipse.swt.layout.GridLayout;
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import org.eclipse.swt.widgets.Button;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.Group;
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import org.eclipse.swt.widgets.Label;
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import org.eclipse.swt.widgets.Text;
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public class guiServerGroup implements NetworkStatusObserver {
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private Group serverGroup = null;
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private GridLayout serverGroupLayout = null;
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private Button serverConnectButton = null;
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private Group serverHostnameGroup = null;
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private Text serverHostnameText = null;
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private Group tcpPortGroup = null;
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private Text tcpPortText = null;
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private Group networkStatusGroup = null;
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private Label connectionStatusLabel = null;
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private mainControl mCtrl = null;
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public guiServerGroup(Composite parent, mainControl mc) {
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mCtrl = mc;
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serverGroup = new Group(parent, SWT.NONE);
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serverGroupLayout = new GridLayout();
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serverGroupLayout.numColumns = 4;
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serverGroup.setLayout(serverGroupLayout);
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serverGroup.setText("Server Connection");
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createServerHostnameGroup();
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createTcpPortGroup();
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serverConnectButton = new Button(serverGroup, SWT.NONE);
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serverConnectButton.setText("Connect");
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serverConnectButton.addSelectionListener(new org.eclipse.swt.events.SelectionAdapter() {
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public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) {
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int port = Integer.parseInt(tcpPortText.getText());
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if(mCtrl != null) {
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mCtrl.doNetworkConnect(serverHostnameText.getText(), port);
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}
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}
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});
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createNetworkStatusGroup();
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mCtrl.registerForNetworkStatusUpdates(this);
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}
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private void createServerHostnameGroup() {
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serverHostnameGroup = new Group(serverGroup, SWT.NONE);
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serverHostnameGroup.setLayout(new GridLayout());
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serverHostnameGroup.setText("Server Hostname");
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serverHostnameText = new Text(serverHostnameGroup, SWT.BORDER);
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serverHostnameText.setText("localhost");
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// Make the Text box a bit bigger than default
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int columns = 20;
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GC gc = new GC (serverHostnameText);
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FontMetrics fm = gc.getFontMetrics ();
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int width = columns * fm.getAverageCharWidth ();
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int height = fm.getHeight ();
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gc.dispose ();
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// This doesn't seem to work, need to use gd.widthHint/heightHint below
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GridData gd = new GridData();
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gd.grabExcessHorizontalSpace = true;
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gd.verticalAlignment = GridData.CENTER;
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gd.horizontalAlignment = GridData.FILL;
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gd.widthHint = width;
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gd.heightHint = height;
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serverHostnameText.setLayoutData(gd);
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}
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private void createTcpPortGroup() {
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tcpPortGroup = new Group(serverGroup, SWT.NONE);
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tcpPortGroup.setLayout(new GridLayout());
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tcpPortGroup.setText("Server Port");
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tcpPortText = new Text(tcpPortGroup, SWT.BORDER);
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tcpPortText.setText("9928");
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GridData gd = new GridData();
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gd.horizontalAlignment = GridData.FILL;
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gd.grabExcessHorizontalSpace = true;
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gd.verticalAlignment = GridData.CENTER;
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tcpPortText.setLayoutData(gd);
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}
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private void createNetworkStatusGroup() {
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networkStatusGroup = new Group(serverGroup, SWT.NONE);
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networkStatusGroup.setText("Connection Status");
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GridLayout gl = new GridLayout();
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gl.makeColumnsEqualWidth = false;
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networkStatusGroup.setLayout(gl);
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GridData gd = new GridData();
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gd.horizontalAlignment = GridData.FILL;
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gd.grabExcessHorizontalSpace = true;
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networkStatusGroup.setLayoutData(gd);
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connectionStatusLabel = new Label(networkStatusGroup, SWT.NONE);
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connectionStatusLabel.setText("Not Connected"); // cheating - doesn't through mainControl
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gd = new GridData();
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gd.grabExcessHorizontalSpace = true;
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gd.verticalAlignment = GridData.CENTER;
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gd.horizontalAlignment = GridData.FILL;
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connectionStatusLabel.setLayoutData(gd);
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}
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public void notifyNetworkStatus() {
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// *** Limit length?
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connectionStatusLabel.setText(mCtrl.getNetworkStatus());
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}
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}
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