Examples with Listener org.eclipse.swt.widgets.Listener used on opensource projects

Example 86 with Listener

use of org.eclipse.swt.widgets.Listener in project knime-core by knime.

the class EditorUISettingsDialog method createGridPanel.

private void createGridPanel(final Composite parent) {
    Group border = new Group(parent, SWT.SHADOW_IN);
    border.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
    border.setLayout(new GridLayout(2, true));
    border.setText(" Grid Size ");
    Composite horiz = new Composite(border, SWT.BORDER_SOLID);
    horiz.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
    horiz.setLayout(new GridLayout(2, false));
    Label h = new Label(horiz, SWT.NONE);
    h.setText("horizontal spacing (px):");
    h.setToolTipText("Preference page default value is " + WorkflowEditor.getPrefGridXSize());
    h.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false));
    m_xGrid = new Text(horiz, SWT.SINGLE | SWT.BORDER);
    m_xGrid.setTextLimit(10);
    m_xGrid.setToolTipText("Preference page default value is " + WorkflowEditor.getPrefGridXSize());
    m_xGrid.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, true));
    m_xGrid.addListener(SWT.Modify, new Listener() {

        @Override
        public void handleEvent(final Event event) {
            settingsChanged();
        }
    });
    addSelectOnFocusToText(m_xGrid);
    Composite vert = new Composite(border, SWT.NONE);
    vert.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
    vert.setLayout(new GridLayout(2, true));
    Label v = new Label(vert, SWT.NONE);
    v.setText("vertical spacing (px):");
    v.setToolTipText("Preference page default value is " + WorkflowEditor.getPrefGridYSize());
    v.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false));
    m_yGrid = new Text(vert, SWT.SINGLE | SWT.BORDER);
    m_yGrid.setTextLimit(10);
    m_yGrid.setToolTipText("Preference page default value is " + WorkflowEditor.getPrefGridYSize());
    m_yGrid.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, true));
    m_yGrid.getFont();
    m_yGrid.addListener(SWT.Modify, new Listener() {

        @Override
        public void handleEvent(final Event event) {
            settingsChanged();
        }
    });
    addSelectOnFocusToText(m_yGrid);
}

Example 87 with Listener

use of org.eclipse.swt.widgets.Listener in project knime-core by knime.

the class EditorUISettingsDialog method addSelectOnFocusToText.

/**
 * Add listener to argument text object to do a select-all when focus is gained.
 */
private static void addSelectOnFocusToText(final Text text) {
    Listener listener = new Listener() {

        @Override
        public void handleEvent(final Event e) {
            switch(e.type) {
                case // selected via keyboard, bug 4322
                SWT.FocusIn:
                    Text t = (Text) e.widget;
                    t.selectAll();
                    break;
                case SWT.FocusOut:
                    t = (Text) e.widget;
                    t.clearSelection();
                    break;
                default:
            }
        }
    };
    text.addListener(SWT.FocusIn, listener);
    text.addListener(SWT.FocusOut, listener);
}

Example 88 with Listener

use of org.eclipse.swt.widgets.Listener in project knime-core by knime.

the class EditorUISettingsDialog method createNodeConnectionsPanel.

private void createNodeConnectionsPanel(final Composite parent) {
    Group border = new Group(parent, SWT.SHADOW_IN);
    border.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
    border.setLayout(new GridLayout(2, true));
    border.setText(" Node Connections ");
    m_curvedConnections = new Button(border, SWT.CHECK);
    m_curvedConnections.setText("Curved connections");
    m_curvedConnections.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, true, false));
    m_curvedConnections.addListener(SWT.Selection, new Listener() {

        @Override
        public void handleEvent(final Event arg0) {
            settingsChanged();
        }
    });
    Composite conn = new Composite(border, SWT.NONE);
    conn.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
    conn.setLayout(new GridLayout(2, true));
    Label v = new Label(conn, SWT.NONE);
    v.setText("Connection line width:");
    v.setToolTipText("Preference page default value is " + WorkflowEditor.getPrefConnectionLineWidth());
    v.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, true));
    m_connectionWidth = new Combo(conn, SWT.READ_ONLY);
    m_connectionWidth.setBounds(50, 50, 150, 65);
    m_connectionWidth.setItems(new String[] { "1", "2", "3" });
    m_connectionWidth.setToolTipText("Preference page default value is " + WorkflowEditor.getPrefConnectionLineWidth());
    m_connectionWidth.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, true));
    m_connectionWidth.getFont();
    m_connectionWidth.addListener(SWT.Modify, new Listener() {

        @Override
        public void handleEvent(final Event event) {
            settingsChanged();
        }
    });
}

Example 89 with Listener

use of org.eclipse.swt.widgets.Listener in project knime-core by knime.

the class EditorUISettingsDialog method createEnablePanel.

private void createEnablePanel(final Composite parent) {
    Group border = new Group(parent, SWT.SHADOW_IN);
    border.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
    border.setLayout(new GridLayout(1, true));
    border.setText(" Enable Grid ");
    m_snapToGrid = new Button(border, SWT.CHECK);
    m_snapToGrid.setText("Snap to grid (Alt-key disables snapping temporarily while moving nodes)");
    m_snapToGrid.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, true, false));
    m_snapToGrid.addListener(SWT.Selection, new Listener() {

        @Override
        public void handleEvent(final Event arg0) {
            settingsChanged();
        }
    });
    m_showGrid = new Button(border, SWT.CHECK);
    m_showGrid.setText("Show grid lines");
    m_showGrid.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, true, false));
    m_showGrid.addListener(SWT.Selection, new Listener() {

        @Override
        public void handleEvent(final Event arg0) {
            settingsChanged();
        }
    });
}

Example 90 with Listener

use of org.eclipse.swt.widgets.Listener in project knime-core by knime.

the class MultilineMetaGUIElement method attachScrollbarListener.

/**
 * @param text
 */
private void attachScrollbarListener(Text text) {
    Listener scrollBarListener = new Listener() {

        @Override
        public void handleEvent(final Event event) {
            Text t = (Text) event.widget;
            Rectangle r1 = t.getClientArea();
            Rectangle r2 = t.computeTrim(r1.x, r1.y, r1.width, r1.height);
            Point p = t.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
            t.getHorizontalBar().setVisible(r2.width <= p.x);
            t.getVerticalBar().setVisible(r2.height <= p.y);
            if (event.type == SWT.Modify) {
                t.getParent().layout(true);
                t.showSelection();
            }
        }
    };
    text.addListener(SWT.Resize, scrollBarListener);
    text.addListener(SWT.Modify, scrollBarListener);
}