| /******************************************************************************* |
| * Copyright (c) 2010 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.e4.ui.workbench.addons.perspectiveswitcher; |
| |
| import java.util.List; |
| import javax.annotation.PostConstruct; |
| import javax.annotation.PreDestroy; |
| import javax.inject.Inject; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.e4.core.contexts.IEclipseContext; |
| import org.eclipse.e4.core.services.events.IEventBroker; |
| import org.eclipse.e4.ui.model.application.ui.MUIElement; |
| import org.eclipse.e4.ui.model.application.ui.advanced.MPerspective; |
| import org.eclipse.e4.ui.model.application.ui.advanced.MPerspectiveStack; |
| import org.eclipse.e4.ui.model.application.ui.basic.MWindow; |
| import org.eclipse.e4.ui.model.application.ui.menu.MToolControl; |
| import org.eclipse.e4.ui.workbench.UIEvents; |
| import org.eclipse.e4.ui.workbench.modeling.EModelService; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.window.Window; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.DisposeEvent; |
| import org.eclipse.swt.events.DisposeListener; |
| import org.eclipse.swt.events.MenuDetectEvent; |
| import org.eclipse.swt.events.MenuDetectListener; |
| import org.eclipse.swt.events.MenuEvent; |
| import org.eclipse.swt.events.MenuListener; |
| import org.eclipse.swt.events.PaintEvent; |
| import org.eclipse.swt.events.PaintListener; |
| import org.eclipse.swt.events.SelectionAdapter; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.events.SelectionListener; |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.graphics.GC; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.swt.graphics.RGB; |
| import org.eclipse.swt.graphics.Rectangle; |
| import org.eclipse.swt.graphics.Region; |
| import org.eclipse.swt.layout.RowLayout; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Listener; |
| import org.eclipse.swt.widgets.Menu; |
| import org.eclipse.swt.widgets.MenuItem; |
| import org.eclipse.swt.widgets.ToolBar; |
| import org.eclipse.swt.widgets.ToolItem; |
| import org.eclipse.ui.IPerspectiveDescriptor; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchPreferenceConstants; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.WorkbenchException; |
| import org.eclipse.ui.internal.IPreferenceConstants; |
| import org.eclipse.ui.internal.IWorkbenchGraphicConstants; |
| import org.eclipse.ui.internal.Workbench; |
| import org.eclipse.ui.internal.WorkbenchImages; |
| import org.eclipse.ui.internal.WorkbenchMessages; |
| import org.eclipse.ui.internal.WorkbenchPage; |
| import org.eclipse.ui.internal.WorkbenchPlugin; |
| import org.eclipse.ui.internal.dialogs.SelectPerspectiveDialog; |
| import org.eclipse.ui.internal.e4.compatibility.E4Util; |
| import org.eclipse.ui.internal.registry.PerspectiveDescriptor; |
| import org.eclipse.ui.internal.util.PrefUtil; |
| import org.eclipse.ui.statushandlers.StatusManager; |
| import org.osgi.service.event.Event; |
| import org.osgi.service.event.EventHandler; |
| |
| public class PerspectiveSwitcher { |
| public static final String PERSPECTIVE_SWITCHER_ID = "org.eclipse.e4.ui.PerspectiveSwitcher"; //$NON-NLS-1$ |
| @Inject |
| protected IEventBroker eventBroker; |
| |
| @Inject |
| EModelService modelService; |
| |
| @Inject |
| private MWindow window; |
| |
| private MToolControl psME; |
| private ToolBar psTB; |
| private Composite comp; |
| private Image backgroundImage; |
| |
| Color borderColor, curveColor; |
| Control toolParent; |
| |
| private EventHandler selectionHandler = new EventHandler() { |
| public void handleEvent(Event event) { |
| if (psTB.isDisposed()) { |
| return; |
| } |
| |
| MUIElement changedElement = (MUIElement) event.getProperty(UIEvents.EventTags.ELEMENT); |
| |
| if (psME == null || !(changedElement instanceof MPerspectiveStack)) |
| return; |
| |
| MWindow perspWin = modelService.getTopLevelWindowFor(changedElement); |
| MWindow switcherWin = modelService.getTopLevelWindowFor(psME); |
| if (perspWin != switcherWin) |
| return; |
| |
| MPerspectiveStack perspStack = (MPerspectiveStack) changedElement; |
| if (!perspStack.isToBeRendered()) |
| return; |
| |
| MPerspective selElement = perspStack.getSelectedElement(); |
| for (ToolItem ti : psTB.getItems()) { |
| ti.setSelection(ti.getData() == selElement); |
| } |
| } |
| }; |
| |
| private EventHandler toBeRenderedHandler = new EventHandler() { |
| public void handleEvent(Event event) { |
| if (psTB.isDisposed()) { |
| return; |
| } |
| |
| MUIElement changedElement = (MUIElement) event.getProperty(UIEvents.EventTags.ELEMENT); |
| |
| if (psME == null || !(changedElement instanceof MPerspective)) |
| return; |
| |
| MWindow perspWin = modelService.getTopLevelWindowFor(changedElement); |
| MWindow switcherWin = modelService.getTopLevelWindowFor(psME); |
| if (perspWin != switcherWin) |
| return; |
| |
| MPerspective persp = (MPerspective) changedElement; |
| if (!persp.getParent().isToBeRendered()) |
| return; |
| |
| if (changedElement.isToBeRendered()) { |
| addPerspectiveItem(persp); |
| } else { |
| removePerspectiveItem(persp); |
| } |
| } |
| }; |
| |
| private EventHandler childrenHandler = new EventHandler() { |
| public void handleEvent(Event event) { |
| if (psTB.isDisposed()) { |
| return; |
| } |
| |
| Object changedObj = event.getProperty(UIEvents.EventTags.ELEMENT); |
| String eventType = (String) event.getProperty(UIEvents.EventTags.TYPE); |
| |
| if (changedObj instanceof MWindow && UIEvents.EventTypes.ADD.equals(eventType)) { |
| MUIElement added = (MUIElement) event.getProperty(UIEvents.EventTags.NEW_VALUE); |
| if (added instanceof MPerspectiveStack) { |
| } |
| } |
| |
| if (psME == null || !(changedObj instanceof MPerspectiveStack)) |
| return; |
| |
| MWindow perspWin = modelService.getTopLevelWindowFor((MUIElement) changedObj); |
| MWindow switcherWin = modelService.getTopLevelWindowFor(psME); |
| if (perspWin != switcherWin) |
| return; |
| |
| if (UIEvents.EventTypes.ADD.equals(eventType)) { |
| MPerspective added = (MPerspective) event.getProperty(UIEvents.EventTags.NEW_VALUE); |
| // Adding invisible elements is a NO-OP |
| if (!added.isToBeRendered()) |
| return; |
| |
| addPerspectiveItem(added); |
| } else if (UIEvents.EventTypes.REMOVE.equals(eventType)) { |
| MPerspective removed = (MPerspective) event |
| .getProperty(UIEvents.EventTags.OLD_VALUE); |
| // Removing invisible elements is a NO-OP |
| if (!removed.isToBeRendered()) |
| return; |
| |
| removePerspectiveItem(removed); |
| } |
| } |
| }; |
| |
| @PostConstruct |
| void init(IEclipseContext context) { |
| eventBroker.subscribe(UIEvents.buildTopic(UIEvents.ElementContainer.TOPIC, |
| UIEvents.ElementContainer.CHILDREN), childrenHandler); |
| eventBroker.subscribe( |
| UIEvents.buildTopic(UIEvents.UIElement.TOPIC, UIEvents.UIElement.TOBERENDERED), |
| toBeRenderedHandler); |
| eventBroker.subscribe(UIEvents.buildTopic(UIEvents.ElementContainer.TOPIC, |
| UIEvents.ElementContainer.SELECTEDELEMENT), selectionHandler); |
| } |
| |
| @PreDestroy |
| void cleanUp() { |
| eventBroker.unsubscribe(toBeRenderedHandler); |
| eventBroker.unsubscribe(childrenHandler); |
| eventBroker.unsubscribe(selectionHandler); |
| } |
| |
| @PostConstruct |
| void createWidget(Composite parent, MToolControl toolControl) { |
| psME = toolControl; |
| comp = new Composite(parent, SWT.NONE); |
| RowLayout layout = new RowLayout(SWT.HORIZONTAL); |
| layout.marginLeft = layout.marginRight = 8; |
| layout.marginBottom = 4; |
| layout.marginTop = 6; |
| comp.setLayout(layout); |
| psTB = new ToolBar(comp, SWT.FLAT | SWT.WRAP | SWT.RIGHT); |
| comp.addPaintListener(new PaintListener() { |
| |
| public void paintControl(PaintEvent e) { |
| paint(e); |
| } |
| }); |
| toolParent = ((Control) toolControl.getParent().getWidget()); |
| toolParent.addPaintListener(new PaintListener() { |
| |
| public void paintControl(PaintEvent e) { |
| if (borderColor == null) |
| borderColor = e.display.getSystemColor(SWT.COLOR_BLACK); |
| e.gc.setForeground(borderColor); |
| Rectangle bounds = ((Control) e.widget).getBounds(); |
| e.gc.drawLine(0, bounds.height - 1, bounds.width, bounds.height - 1); |
| } |
| }); |
| |
| comp.addDisposeListener(new DisposeListener() { |
| public void widgetDisposed(DisposeEvent e) { |
| dispose(); |
| } |
| |
| }); |
| |
| psTB.addMenuDetectListener(new MenuDetectListener() { |
| public void menuDetected(MenuDetectEvent e) { |
| ToolBar tb = (ToolBar) e.widget; |
| Point p = new Point(e.x, e.y); |
| p = psTB.getDisplay().map(null, psTB, p); |
| ToolItem item = tb.getItem(p); |
| if (item == null) |
| E4Util.message(" ToolBar menu"); //$NON-NLS-1$ |
| else { |
| MPerspective persp = (MPerspective) item.getData(); |
| if (persp == null) |
| E4Util.message(" Add button Menu"); //$NON-NLS-1$ |
| else |
| openMenuFor(item, persp); |
| } |
| } |
| }); |
| |
| psTB.addDisposeListener(new DisposeListener() { |
| public void widgetDisposed(DisposeEvent e) { |
| disposeTBImages(); |
| } |
| |
| }); |
| |
| final ToolItem createItem = new ToolItem(psTB, SWT.PUSH); |
| createItem.setImage(getOpenPerspectiveImage(psTB.getDisplay())); |
| createItem.setToolTipText("Open Perspective"); //$NON-NLS-1$ |
| createItem.addSelectionListener(new SelectionListener() { |
| public void widgetSelected(SelectionEvent e) { |
| selectPerspective(); |
| } |
| |
| public void widgetDefaultSelected(SelectionEvent e) { |
| selectPerspective(); |
| } |
| }); |
| new ToolItem(psTB, SWT.SEPARATOR); |
| |
| MPerspectiveStack stack = getPerspectiveStack(); |
| if (stack != null) { |
| // Create an item for each perspective that should show up |
| for (MPerspective persp : stack.getChildren()) { |
| if (persp.isToBeRendered()) { |
| addPerspectiveItem(persp); |
| } |
| } |
| } |
| } |
| |
| private Image getOpenPerspectiveImage(Display display) { |
| ImageDescriptor desc = WorkbenchImages |
| .getImageDescriptor(IWorkbenchGraphicConstants.IMG_ETOOL_NEW_PAGE); |
| return desc.createImage(); |
| } |
| |
| MPerspectiveStack getPerspectiveStack() { |
| List<MPerspectiveStack> psList = modelService.findElements(window, null, |
| MPerspectiveStack.class, null); |
| if (psList.size() > 0) |
| return psList.get(0); |
| return null; |
| } |
| |
| private ToolItem addPerspectiveItem(MPerspective persp) { |
| final ToolItem psItem = new ToolItem(psTB, SWT.RADIO); |
| psItem.setData(persp); |
| IPerspectiveDescriptor descriptor = getDescriptorFor(persp.getElementId()); |
| boolean foundImage = false; |
| if (descriptor != null) { |
| ImageDescriptor desc = descriptor.getImageDescriptor(); |
| if (desc != null) { |
| psItem.setImage(desc.createImage(false)); |
| foundImage = true; |
| psItem.setToolTipText(persp.getLabel()); |
| } |
| } |
| if (!foundImage |
| || PrefUtil.getAPIPreferenceStore().getBoolean( |
| IWorkbenchPreferenceConstants.SHOW_TEXT_ON_PERSPECTIVE_BAR)) { |
| psItem.setText(persp.getLabel()); |
| psItem.setToolTipText(persp.getTooltip()); |
| } |
| |
| psItem.setSelection(persp == persp.getParent().getSelectedElement()); |
| |
| psItem.addSelectionListener(new SelectionListener() { |
| public void widgetSelected(SelectionEvent e) { |
| MPerspective persp = (MPerspective) e.widget.getData(); |
| persp.getParent().setSelectedElement(persp); |
| } |
| |
| public void widgetDefaultSelected(SelectionEvent e) { |
| MPerspective persp = (MPerspective) e.widget.getData(); |
| persp.getParent().setSelectedElement(persp); |
| } |
| }); |
| |
| psItem.addListener(SWT.MenuDetect, new Listener() { |
| public void handleEvent(org.eclipse.swt.widgets.Event event) { |
| MPerspective persp = (MPerspective) event.widget.getData(); |
| openMenuFor(psItem, persp); |
| } |
| }); |
| |
| // update the layout |
| psTB.pack(); |
| psTB.getShell().layout(new Control[] { psTB }, SWT.DEFER); |
| |
| return psItem; |
| } |
| |
| // FIXME see https://bugs.eclipse.org/bugs/show_bug.cgi?id=313771 |
| private IPerspectiveDescriptor getDescriptorFor(String id) { |
| return PlatformUI.getWorkbench().getPerspectiveRegistry().findPerspectiveWithId(id); |
| } |
| |
| private MPerspective getPerspectiveFor(IPerspectiveDescriptor desc) { |
| MPerspectiveStack stack = getPerspectiveStack(); |
| if (stack != null) { |
| // Create an item for each perspective that should show up |
| for (MPerspective persp : stack.getChildren()) { |
| if (persp.getElementId().equals(desc.getId())) { |
| return persp; |
| } |
| } |
| } |
| return null; |
| } |
| |
| // FIXME singletons, singletons, everywhere!! |
| // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=313771 |
| private void openPerspective(PerspectiveDescriptor desc) { |
| IWorkbenchWindow workbenchWindow = window.getContext().get(IWorkbenchWindow.class); |
| IWorkbenchPage page = workbenchWindow.getActivePage(); |
| if (page == null) { |
| try { |
| // don't have a page, need to open one |
| workbenchWindow.openPage(desc.getId(), |
| ((Workbench) workbenchWindow.getWorkbench()).getDefaultPageInput()); |
| } catch (WorkbenchException e) { |
| IStatus errorStatus = new Status( |
| IStatus.ERROR, |
| WorkbenchPlugin.PI_WORKBENCH, |
| NLS.bind(WorkbenchMessages.Workbench_showPerspectiveError, desc.getLabel()), |
| e); |
| StatusManager.getManager().handle(errorStatus, StatusManager.SHOW); |
| } |
| } else { |
| page.setPerspective(desc); |
| } |
| } |
| |
| private void selectPerspective() { |
| SelectPerspectiveDialog dialog = new SelectPerspectiveDialog(psTB.getShell(), PlatformUI |
| .getWorkbench().getPerspectiveRegistry()); |
| dialog.open(); |
| if (dialog.getReturnCode() == Window.CANCEL) { |
| return; |
| } |
| IPerspectiveDescriptor descriptor = dialog.getSelection(); |
| if (descriptor != null) { |
| MPerspective persp = getPerspectiveFor(descriptor); |
| if (persp != null) { |
| if (!persp.isToBeRendered()) |
| persp.setToBeRendered(true); |
| persp.getParent().setSelectedElement(persp); |
| } else { |
| openPerspective((PerspectiveDescriptor) descriptor); |
| } |
| } |
| } |
| |
| private void openMenuFor(ToolItem item, MPerspective persp) { |
| final Menu menu = new Menu(psTB); |
| menu.setData(persp); |
| if (persp.isVisible()) { |
| addCloseItem(menu); |
| } |
| if (persp.getParent().getSelectedElement() == persp) { |
| addResetItem(menu); |
| } |
| |
| new MenuItem(menu, SWT.SEPARATOR); |
| // addDockOnSubMenu(menu); |
| addShowTextItem(menu); |
| |
| Rectangle bounds = item.getBounds(); |
| Point point = psTB.toDisplay(bounds.x, bounds.y + bounds.height); |
| menu.setLocation(point.x, point.y); |
| menu.setVisible(true); |
| menu.addMenuListener(new MenuListener() { |
| |
| public void menuHidden(MenuEvent e) { |
| psTB.getDisplay().asyncExec(new Runnable() { |
| |
| public void run() { |
| menu.dispose(); |
| } |
| |
| }); |
| } |
| |
| public void menuShown(MenuEvent e) { |
| // Nothing to do |
| } |
| |
| }); |
| } |
| |
| private void addCloseItem(final Menu menu) { |
| MenuItem menuItem = new MenuItem(menu, SWT.NONE); |
| menuItem.setText("&Close"); |
| menuItem.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| MPerspective persp = (MPerspective) menu.getData(); |
| if (persp != null) |
| closePerspective(persp); |
| } |
| }); |
| } |
| |
| private void closePerspective(MPerspective persp) { |
| MWindow win = modelService.getTopLevelWindowFor(persp); |
| WorkbenchPage page = (WorkbenchPage) win.getContext().get(IWorkbenchPage.class); |
| String perspectiveId = persp.getElementId(); |
| IPerspectiveDescriptor desc = getDescriptorFor(perspectiveId); |
| page.closePerspective(desc, perspectiveId, true, false); |
| |
| // removePerspectiveItem(persp); |
| } |
| |
| private void addResetItem(final Menu menu) { |
| MenuItem menuItem = new MenuItem(menu, SWT.NONE); |
| menuItem.setText("&Reset"); |
| menuItem.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| final MPerspective persp = (MPerspective) menu.getData(); |
| if (persp == null) |
| return; |
| IWorkbenchPage page = persp.getContext().get(IWorkbenchPage.class); |
| page.resetPerspective(); |
| } |
| }); |
| } |
| |
| private void addShowTextItem(final Menu menu) { |
| final MenuItem showtextMenuItem = new MenuItem(menu, SWT.CHECK); |
| showtextMenuItem.setText("&Show Text"); |
| showtextMenuItem.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| boolean preference = showtextMenuItem.getSelection(); |
| if (preference != PrefUtil.getAPIPreferenceStore().getDefaultBoolean( |
| IWorkbenchPreferenceConstants.SHOW_TEXT_ON_PERSPECTIVE_BAR)) { |
| PrefUtil.getInternalPreferenceStore().setValue( |
| IPreferenceConstants.OVERRIDE_PRESENTATION, true); |
| } |
| PrefUtil.getAPIPreferenceStore().setValue( |
| IWorkbenchPreferenceConstants.SHOW_TEXT_ON_PERSPECTIVE_BAR, preference); |
| changeShowText(preference); |
| } |
| }); |
| showtextMenuItem.setSelection(PrefUtil.getAPIPreferenceStore().getBoolean( |
| IWorkbenchPreferenceConstants.SHOW_TEXT_ON_PERSPECTIVE_BAR)); |
| } |
| |
| private void changeShowText(boolean showText) { |
| ToolItem[] items = psTB.getItems(); |
| for (int i = 0; i < items.length; i++) { |
| MPerspective persp = (MPerspective) items[i].getData(); |
| if (persp != null) |
| if (showText) { |
| if (persp.getLabel() != null) |
| items[i].setText(persp.getLabel()); |
| items[i].setToolTipText(persp.getTooltip()); |
| } else { |
| Image image = items[i].getImage(); |
| if (image != null) { |
| items[i].setText(""); |
| items[i].setToolTipText(persp.getLabel()); |
| } |
| } |
| } |
| // update fix the layout |
| psTB.pack(); |
| psTB.getShell().layout(new Control[] { psTB }, SWT.DEFER); |
| } |
| |
| private void removePerspectiveItem(MPerspective toRemove) { |
| ToolItem psItem = getItemFor(toRemove); |
| if (psItem != null) { |
| psItem.dispose(); |
| } |
| |
| // update the layout |
| psTB.pack(); |
| psTB.getShell().layout(new Control[] { psTB }, SWT.DEFER); |
| } |
| |
| protected ToolItem getItemFor(MPerspective persp) { |
| if (psTB == null) |
| return null; |
| |
| for (ToolItem ti : psTB.getItems()) { |
| if (ti.getData() == persp) |
| return ti; |
| } |
| |
| return null; |
| } |
| |
| void paint(PaintEvent e) { |
| GC gc = e.gc; |
| Point size = comp.getSize(); |
| if (curveColor == null) |
| curveColor = e.display.getSystemColor(SWT.COLOR_BLACK); |
| int h = size.y; |
| int[] simpleCurve = new int[] { 0, h - 1, 1, h - 1, 2, h - 2, 2, 1, 3, 0 }; |
| // draw border |
| gc.setForeground(curveColor); |
| gc.setAntialias(SWT.ON); |
| gc.drawPolyline(simpleCurve); |
| |
| Rectangle bounds = ((Control) e.widget).getBounds(); |
| bounds.x = bounds.y = 0; |
| Region r = new Region(); |
| r.add(bounds); |
| int[] simpleCurveClose = new int[simpleCurve.length + 4]; |
| System.arraycopy(simpleCurve, 0, simpleCurveClose, 0, simpleCurve.length); |
| int index = simpleCurve.length; |
| simpleCurveClose[index++] = bounds.width; |
| simpleCurveClose[index++] = 0; |
| simpleCurveClose[index++] = bounds.width; |
| simpleCurveClose[index++] = bounds.height; |
| r.subtract(simpleCurveClose); |
| Region clipping = new Region(); |
| gc.getClipping(clipping); |
| r.intersect(clipping); |
| gc.setClipping(r); |
| Image b = toolParent.getBackgroundImage(); |
| if (b != null && !b.isDisposed()) |
| gc.drawImage(b, 0, 0); |
| |
| r.dispose(); |
| clipping.dispose(); |
| // // gc.fillRectangle(bounds); |
| // Rectangle mappedBounds = e.display.map(comp, comp.getParent(), bounds); |
| // ((Composite) toolParent).drawBackground(gc, bounds.x, bounds.y, bounds.width, |
| // bounds.height, mappedBounds.x, mappedBounds.y); |
| |
| } |
| |
| void resize() { |
| Point size = comp.getSize(); |
| Image oldBackgroundImage = backgroundImage; |
| backgroundImage = new Image(comp.getDisplay(), size.x, size.y); |
| GC gc = new GC(backgroundImage); |
| comp.getParent().drawBackground(gc, 0, 0, size.x, size.y, 0, 0); |
| Color background = comp.getBackground(); |
| Color border = comp.getDisplay().getSystemColor(SWT.COLOR_WIDGET_NORMAL_SHADOW); |
| RGB backgroundRGB = background.getRGB(); |
| // TODO naive and hard coded, doesn't deal with high contrast, etc. |
| Color gradientTop = new Color(comp.getDisplay(), backgroundRGB.red + 12, |
| backgroundRGB.green + 10, backgroundRGB.blue + 10); |
| int h = size.y; |
| int curveStart = 0; |
| int curve_width = 5; |
| |
| int[] curve = new int[] { 0, h, 1, h, 2, h - 1, 3, h - 2, 3, 2, 4, 1, 5, 0, }; |
| int[] line1 = new int[curve.length + 4]; |
| int index = 0; |
| int x = curveStart; |
| line1[index++] = x + 1; |
| line1[index++] = h; |
| for (int i = 0; i < curve.length / 2; i++) { |
| line1[index++] = x + curve[2 * i]; |
| line1[index++] = curve[2 * i + 1]; |
| } |
| line1[index++] = x + curve_width; |
| line1[index++] = 0; |
| |
| int[] line2 = new int[line1.length]; |
| index = 0; |
| for (int i = 0; i < line1.length / 2; i++) { |
| line2[index] = line1[index++] - 1; |
| line2[index] = line1[index++]; |
| } |
| |
| // custom gradient |
| gc.setForeground(gradientTop); |
| gc.setBackground(background); |
| gc.drawLine(4, 0, size.x, 0); |
| gc.drawLine(3, 1, size.x, 1); |
| gc.fillGradientRectangle(2, 2, size.x - 2, size.y - 3, true); |
| gc.setForeground(background); |
| gc.drawLine(2, size.y - 1, size.x, size.y - 1); |
| gradientTop.dispose(); |
| |
| gc.setForeground(border); |
| gc.drawPolyline(line2); |
| gc.dispose(); |
| comp.setBackgroundImage(backgroundImage); |
| if (oldBackgroundImage != null) |
| oldBackgroundImage.dispose(); |
| |
| } |
| |
| void dispose() { |
| cleanUp(); |
| |
| if (backgroundImage != null) { |
| comp.setBackgroundImage(null); |
| backgroundImage.dispose(); |
| backgroundImage = null; |
| } |
| } |
| |
| void disposeTBImages() { |
| ToolItem[] items = psTB.getItems(); |
| for (int i = 0; i < items.length; i++) { |
| Image image = items[i].getImage(); |
| if (image != null) { |
| items[i].setImage(null); |
| image.dispose(); |
| } |
| } |
| } |
| |
| public void setKeylineColor(Color borderColor, Color curveColor) { |
| this.borderColor = borderColor; |
| this.curveColor = curveColor; |
| } |
| } |
