diff options
Diffstat (limited to 'org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/breadcrumb/BreadcrumbItemDropDown.java')
| -rw-r--r-- | org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/breadcrumb/BreadcrumbItemDropDown.java | 562 |
1 files changed, 0 insertions, 562 deletions
diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/breadcrumb/BreadcrumbItemDropDown.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/breadcrumb/BreadcrumbItemDropDown.java deleted file mode 100644 index c601a4bd2..000000000 --- a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/breadcrumb/BreadcrumbItemDropDown.java +++ /dev/null @@ -1,562 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2008, 2009 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 - * Pawel Piech (Wind River) - adapted breadcrumb for use in Debug view (Bug 252677) - *******************************************************************************/ -package org.eclipse.debug.internal.ui.viewers.breadcrumb; - -import org.eclipse.core.runtime.Assert; -import org.eclipse.core.runtime.Platform; -import org.eclipse.debug.internal.ui.DebugUIPlugin; -import org.eclipse.jface.action.Action; -import org.eclipse.jface.action.ToolBarManager; -import org.eclipse.jface.resource.CompositeImageDescriptor; -import org.eclipse.jface.util.Geometry; -import org.eclipse.jface.viewers.ISelection; -import org.eclipse.jface.viewers.TreePath; -import org.eclipse.swt.SWT; -import org.eclipse.swt.accessibility.AccessibleAdapter; -import org.eclipse.swt.accessibility.AccessibleEvent; -import org.eclipse.swt.events.ControlEvent; -import org.eclipse.swt.events.ControlListener; -import org.eclipse.swt.events.DisposeEvent; -import org.eclipse.swt.events.DisposeListener; -import org.eclipse.swt.events.MouseAdapter; -import org.eclipse.swt.events.MouseEvent; -import org.eclipse.swt.events.ShellEvent; -import org.eclipse.swt.events.ShellListener; -import org.eclipse.swt.graphics.Color; -import org.eclipse.swt.graphics.GC; -import org.eclipse.swt.graphics.Image; -import org.eclipse.swt.graphics.ImageData; -import org.eclipse.swt.graphics.Point; -import org.eclipse.swt.graphics.RGB; -import org.eclipse.swt.graphics.Rectangle; -import org.eclipse.swt.layout.GridData; -import org.eclipse.swt.layout.GridLayout; -import org.eclipse.swt.widgets.Composite; -import org.eclipse.swt.widgets.Control; -import org.eclipse.swt.widgets.Display; -import org.eclipse.swt.widgets.Event; -import org.eclipse.swt.widgets.Listener; -import org.eclipse.swt.widgets.Monitor; -import org.eclipse.swt.widgets.Shell; -import org.eclipse.swt.widgets.ToolBar; -import org.eclipse.swt.widgets.Widget; - - -/** - * The part of the breadcrumb item with the drop down menu. - * - * @since 3.5 - */ -class BreadcrumbItemDropDown implements IBreadcrumbDropDownSite { - - /** - * Tells whether this class is in debug mode. - */ - private static boolean DEBUG= DebugUIPlugin.DEBUG && "true".equalsIgnoreCase(Platform.getDebugOption("org.eclipse.debug.ui/debug/breadcrumb")); //$NON-NLS-1$//$NON-NLS-2$ - - private static final boolean IS_MAC_WORKAROUND= "carbon".equals(SWT.getPlatform()); //$NON-NLS-1$ - - /** - * An arrow image descriptor. The images color is related to the list - * fore- and background color. This makes the arrow visible even in high contrast - * mode. If <code>ltr</code> is true the arrow points to the right, otherwise it - * points to the left. - */ - private final class AccessibelArrowImage extends CompositeImageDescriptor { - - private final static int ARROW_SIZE= 5; - - private final boolean fLTR; - - public AccessibelArrowImage(boolean ltr) { - fLTR= ltr; - } - - /* - * @see org.eclipse.jface.resource.CompositeImageDescriptor#drawCompositeImage(int, int) - */ - protected void drawCompositeImage(int width, int height) { - Display display= fParentComposite.getDisplay(); - - Image image= new Image(display, ARROW_SIZE, ARROW_SIZE * 2); - - GC gc= new GC(image); - - Color triangle= createColor(SWT.COLOR_LIST_FOREGROUND, SWT.COLOR_LIST_BACKGROUND, 20, display); - Color aliasing= createColor(SWT.COLOR_LIST_FOREGROUND, SWT.COLOR_LIST_BACKGROUND, 30, display); - gc.setBackground(triangle); - - if (fLTR) { - gc.fillPolygon(new int[] { mirror(0), 0, mirror(ARROW_SIZE), ARROW_SIZE, mirror(0), ARROW_SIZE * 2 }); - } else { - gc.fillPolygon(new int[] { ARROW_SIZE, 0, 0, ARROW_SIZE, ARROW_SIZE, ARROW_SIZE * 2 }); - } - - gc.setForeground(aliasing); - gc.drawLine(mirror(0), 1, mirror(ARROW_SIZE - 1), ARROW_SIZE); - gc.drawLine(mirror(ARROW_SIZE - 1), ARROW_SIZE, mirror(0), ARROW_SIZE * 2 - 1); - - gc.dispose(); - triangle.dispose(); - aliasing.dispose(); - - ImageData imageData= image.getImageData(); - for (int y= 1; y < ARROW_SIZE; y++) { - for (int x= 0; x < y; x++) { - imageData.setAlpha(mirror(x), y, 255); - } - } - for (int y= 0; y < ARROW_SIZE; y++) { - for (int x= 0; x <= y; x++) { - imageData.setAlpha(mirror(x), ARROW_SIZE * 2 - y - 1, 255); - } - } - - int offset= fLTR ? 0 : -1; - drawImage(imageData, (width / 2) - (ARROW_SIZE / 2) + offset, (height / 2) - ARROW_SIZE - 1); - - image.dispose(); - } - - private int mirror(int x) { - if (fLTR) - return x; - - return ARROW_SIZE - x - 1; - } - - /* - * @see org.eclipse.jface.resource.CompositeImageDescriptor#getSize() - */ - protected Point getSize() { - return new Point(10, 16); - } - - private Color createColor(int color1, int color2, int ratio, Display display) { - RGB rgb1= display.getSystemColor(color1).getRGB(); - RGB rgb2= display.getSystemColor(color2).getRGB(); - - RGB blend= BreadcrumbViewer.blend(rgb2, rgb1, ratio); - - return new Color(display, blend); - } - } - - private static final int DROP_DOWN_HIGHT= 300; - private static final int DROP_DOWN_WIDTH= 500; - - private final BreadcrumbItem fParent; - private final Composite fParentComposite; - private final ToolBar fToolBar; - - private boolean fMenuIsShown; - private boolean fEnabled; - private Shell fShell; - - public BreadcrumbItemDropDown(BreadcrumbItem parent, Composite composite) { - fParent= parent; - fParentComposite= composite; - fMenuIsShown= false; - fEnabled= true; - - fToolBar= new ToolBar(composite, SWT.FLAT); - fToolBar.setLayoutData(new GridData(SWT.END, SWT.CENTER, false, false)); - fToolBar.getAccessible().addAccessibleListener(new AccessibleAdapter() { - public void getName(AccessibleEvent e) { - e.result= BreadcrumbMessages.BreadcrumbItemDropDown_showDropDownMenu_action_toolTip; - } - }); - ToolBarManager manager= new ToolBarManager(fToolBar); - - final Action showDropDownMenuAction= new Action(null, SWT.NONE) { - public void run() { - Shell shell= fParent.getDropDownShell(); - if (shell != null) - return; - - shell= fParent.getViewer().getDropDownShell(); - if (shell != null && !shell.isDisposed()) - shell.close(); - - showMenu(); - - fShell.setFocus(); - } - }; - - showDropDownMenuAction.setImageDescriptor(new AccessibelArrowImage(isLeft())); - showDropDownMenuAction.setToolTipText(BreadcrumbMessages.BreadcrumbItemDropDown_showDropDownMenu_action_toolTip); - manager.add(showDropDownMenuAction); - - manager.update(true); - if (IS_MAC_WORKAROUND) { - manager.getControl().addMouseListener(new MouseAdapter() { - // see also BreadcrumbItemDetails#addElementListener(Control) - public void mouseDown(MouseEvent e) { - showDropDownMenuAction.run(); - } - }); - } - } - - /** - * Return the width of this element. - * - * @return the width of this element - */ - public int getWidth() { - return fToolBar.computeSize(SWT.DEFAULT, SWT.DEFAULT).x; - } - - /** - * Set whether the drop down menu is available. - * - * @param enabled true if available - */ - public void setEnabled(boolean enabled) { - fEnabled= enabled; - - fToolBar.setVisible(enabled); - } - - /** - * Tells whether the menu is shown. - * - * @return true if the menu is open - */ - public boolean isMenuShown() { - return fMenuIsShown; - } - - /** - * Returns the shell used for the drop down menu if it is shown. - * - * @return the drop down shell or <code>null</code> - */ - public Shell getDropDownShell() { - if (!isMenuShown()) - return null; - - return fShell; - } - - /** - * Opens the drop down menu. - */ - public void showMenu() { - if (DEBUG) - System.out.println("BreadcrumbItemDropDown.showMenu()"); //$NON-NLS-1$ - - if (!fEnabled || fMenuIsShown) - return; - - fMenuIsShown= true; - - fShell= new Shell(fToolBar.getShell(), SWT.RESIZE | SWT.TOOL | SWT.ON_TOP); - if (DEBUG) - System.out.println(" creating new shell"); //$NON-NLS-1$ - - GridLayout layout= new GridLayout(1, false); - layout.marginHeight= 0; - layout.marginWidth= 0; - fShell.setLayout(layout); - - Composite composite= new Composite(fShell, SWT.NONE); - composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); - GridLayout gridLayout= new GridLayout(1, false); - gridLayout.marginHeight= 0; - gridLayout.marginWidth= 0; - composite.setLayout(gridLayout); - - TreePath path= fParent.getPath(); - - Control control = fParent.getViewer().createDropDown(composite, this, path); - - control.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); - - setShellBounds(fShell); - fShell.setVisible(true); - installCloser(fShell); - } - - /** - * The closer closes the given shell when the focus is lost. - * - * @param shell the shell to install the closer to - */ - private void installCloser(final Shell shell) { - final Listener focusListener= new Listener() { - public void handleEvent(Event event) { - Widget focusElement= event.widget; - boolean isFocusBreadcrumbTreeFocusWidget= focusElement == shell || focusElement instanceof Control && ((Control)focusElement).getShell() == shell; - boolean isFocusWidgetParentShell= focusElement instanceof Control && ((Control)focusElement).getShell().getParent() == shell; - - switch (event.type) { - case SWT.FocusIn: - if (DEBUG) - System.out.println("focusIn - is breadcrumb tree: " + isFocusBreadcrumbTreeFocusWidget); //$NON-NLS-1$ - - if (!isFocusBreadcrumbTreeFocusWidget && !isFocusWidgetParentShell) { - if (DEBUG) - System.out.println("==> closing shell since focus in other widget"); //$NON-NLS-1$ - shell.close(); - } - break; - - case SWT.FocusOut: - if (DEBUG) - System.out.println("focusOut - is breadcrumb tree: " + isFocusBreadcrumbTreeFocusWidget); //$NON-NLS-1$ - - if (event.display.getActiveShell() == null) { - if (DEBUG) - System.out.println("==> closing shell since event.display.getActiveShell() != shell"); //$NON-NLS-1$ - shell.close(); - } - break; - - default: - Assert.isTrue(false); - } - } - }; - - final Display display= shell.getDisplay(); - display.addFilter(SWT.FocusIn, focusListener); - display.addFilter(SWT.FocusOut, focusListener); - - final ControlListener controlListener= new ControlListener() { - public void controlMoved(ControlEvent e) { - if (!shell.isDisposed()) { - shell.close(); - } - } - - public void controlResized(ControlEvent e) { - if (!shell.isDisposed()) { - shell.close(); - } - } - }; - fToolBar.getShell().addControlListener(controlListener); - - shell.addDisposeListener(new DisposeListener() { - public void widgetDisposed(DisposeEvent e) { - if (DEBUG) - System.out.println("==> shell disposed"); //$NON-NLS-1$ - - display.removeFilter(SWT.FocusIn, focusListener); - display.removeFilter(SWT.FocusOut, focusListener); - - if (!fToolBar.isDisposed()) { - fToolBar.getShell().removeControlListener(controlListener); - } - } - }); - shell.addShellListener(new ShellListener() { - public void shellActivated(ShellEvent e) { - } - - public void shellClosed(ShellEvent e) { - if (DEBUG) - System.out.println("==> shellClosed"); //$NON-NLS-1$ - - if (!fMenuIsShown) - return; - - fMenuIsShown= false; - } - - public void shellDeactivated(ShellEvent e) { - } - - public void shellDeiconified(ShellEvent e) { - } - - public void shellIconified(ShellEvent e) { - } - }); - } - - /** - * Calculates a useful size for the given shell. - * - * @param shell the shell to calculate the size for. - */ - private void setShellBounds(Shell shell) { - - Rectangle rect= fParentComposite.getBounds(); - Rectangle toolbarBounds= fToolBar.getBounds(); - - Point size = shell.computeSize(SWT.DEFAULT, SWT.DEFAULT, false); - int height= Math.min(size.y, DROP_DOWN_HIGHT); - // TODO: Because of bug 258196 the drop down does not resize correctly - // on GTK. As a workaround temporarily increase the initial width of - // the drop down to 500. - //int width= Math.max(Math.min(size.x, DROP_DOWN_WIDTH), 250); - int width= Math.max(Math.min(size.x, DROP_DOWN_WIDTH), 500); - - int imageBoundsX= 0; - if (fParent.getImage() != null) { - imageBoundsX= fParent.getImage().getImageData().width; - } - - Rectangle trim= fShell.computeTrim(0, 0, width, height); - int x= toolbarBounds.x + toolbarBounds.width + 2 + trim.x - imageBoundsX; - if (!isLeft()) - x+= width; - - int y = rect.y; - if (isTop()) - y+= rect.height; - else - y-= height; - - Point pt= new Point(x, y); - pt= fParentComposite.toDisplay(pt); - - Rectangle monitor= getClosestMonitor(shell.getDisplay(), pt).getClientArea(); - int overlap= (pt.x + width) - (monitor.x + monitor.width); - if (overlap > 0) - pt.x-= overlap; - if (pt.x < monitor.x) - pt.x= monitor.x; - - shell.setLocation(pt); - shell.setSize(width, height); - } - - /** - * Returns the monitor whose client area contains the given point. If no monitor contains the - * point, returns the monitor that is closest to the point. - * <p> - * Copied from <code>org.eclipse.jface.window.Window.getClosestMonitor(Display, Point)</code> - * </p> - * - * @param display the display showing the monitors - * @param point point to find (display coordinates) - * @return the monitor closest to the given point - */ - private static Monitor getClosestMonitor(Display display, Point point) { - int closest= Integer.MAX_VALUE; - - Monitor[] monitors= display.getMonitors(); - Monitor result= monitors[0]; - - for (int i= 0; i < monitors.length; i++) { - Monitor current= monitors[i]; - - Rectangle clientArea= current.getClientArea(); - - if (clientArea.contains(point)) - return current; - - int distance= Geometry.distanceSquared(Geometry.centerPoint(clientArea), point); - if (distance < closest) { - closest= distance; - result= current; - } - } - - return result; - } - - /** - * Set the size of the given shell such that more content can be shown. The shell size does not - * exceed {@link #DROP_DOWN_HIGHT} and {@link #DROP_DOWN_WIDTH}. - * - * @param shell the shell to resize - */ - private void resizeShell(final Shell shell) { - Point size= shell.getSize(); - int currentWidth= size.x; - int currentHeight= size.y; - - if (currentHeight >= DROP_DOWN_HIGHT && currentWidth >= DROP_DOWN_WIDTH) - return; - - Point preferedSize= shell.computeSize(SWT.DEFAULT, SWT.DEFAULT, true); - - int newWidth; - if (currentWidth >= DROP_DOWN_WIDTH) { - newWidth= currentWidth; - } else { - newWidth= Math.min(Math.max(preferedSize.x, currentWidth), DROP_DOWN_WIDTH); - } - int newHeight; - if (currentHeight >= DROP_DOWN_HIGHT) { - newHeight= currentHeight; - } else { - newHeight= Math.min(Math.max(preferedSize.y, currentHeight), DROP_DOWN_HIGHT); - } - - if (newHeight != currentHeight || newWidth != currentWidth) { - shell.setRedraw(false); - try { - shell.setSize(newWidth, newHeight); - - Point location = shell.getLocation(); - Point newLocation = location; - if (!isLeft()) { - newLocation = new Point(newLocation.x - (newWidth - currentWidth), newLocation.y); - } - if (!isTop()) { - newLocation = new Point(newLocation.x, newLocation.y - (newHeight - currentHeight)); - } - if (!location.equals(newLocation)) { - shell.setLocation(newLocation.x, newLocation.y); - } - } finally { - shell.setRedraw(true); - } - } - } - - /** - * Tells whether this the breadcrumb is in LTR mode or RTL mode. Or whether the breadcrumb - * is on the right-side status coolbar, which has the same effect on layout. - * - * @return <code>true</code> if the breadcrumb in left-to-right mode, <code>false</code> - * otherwise - */ - private boolean isLeft() { - return (fParentComposite.getStyle() & SWT.RIGHT_TO_LEFT) == 0 && - (fParent.getViewer().getStyle() & SWT.RIGHT) == 0; - } - - /** - * Tells whether this the breadcrumb is in LTR mode or RTL mode. Or whether the breadcrumb - * is on the right-side status coolbar, which has the same effect on layout. - * - * @return <code>true</code> if the breadcrumb in left-to-right mode, <code>false</code> - * otherwise - */ - private boolean isTop() { - return (fParent.getViewer().getStyle() & SWT.BOTTOM) == 0; - } - - public void close() { - if (fShell != null && !fShell.isDisposed()) { - fShell.close(); - } - } - - public void notifySelection(ISelection selection) { - fParent.getViewer().fireMenuSelection(selection); - } - - public void updateSize() { - if (fShell != null && !fShell.isDisposed()) { - resizeShell(fShell); - } - } -} - |