List of usage examples for org.eclipse.swt.widgets Display getSystemColor
@Override
public Color getSystemColor(int id)
From source file:org.eclipse.swt.examples.accessibility.Shape.java
void addListeners() { addPaintListener(e -> {//from w ww. j a v a 2 s . c om GC gc = e.gc; Display display = getDisplay(); Color c = display.getSystemColor(color); gc.setBackground(c); Rectangle rect = getClientArea(); int length = Math.min(rect.width, rect.height); if (shape == CIRCLE) { gc.fillOval(0, 0, length, length); } else { gc.fillRectangle(0, 0, length, length); } if (isFocusControl()) gc.drawFocus(rect.x, rect.y, rect.width, rect.height); }); addFocusListener(new FocusAdapter() { @Override public void focusGained(FocusEvent e) { redraw(); } @Override public void focusLost(FocusEvent e) { redraw(); } }); addMouseListener(MouseListener.mouseDownAdapter(e -> { if (getClientArea().contains(e.x, e.y)) { setFocus(); } })); addKeyListener(new KeyAdapter() { @Override public void keyPressed(KeyEvent e) { // key listener enables traversal out } }); addTraverseListener(e -> { switch (e.detail) { case SWT.TRAVERSE_TAB_NEXT: case SWT.TRAVERSE_TAB_PREVIOUS: e.doit = true; break; } }); getAccessible().addAccessibleListener(new AccessibleAdapter() { @Override public void getName(AccessibleEvent e) { MessageFormat formatter = new MessageFormat(""); formatter.applyPattern(bundle.getString("name")); //$NON_NLS$ String colorName = bundle.getString("color" + color); //$NON_NLS$ String shapeName = bundle.getString("shape" + shape); //$NON_NLS$ e.result = formatter.format(new String[] { colorName, shapeName }); //$NON_NLS$ } }); getAccessible().addAccessibleControlListener(new AccessibleControlAdapter() { @Override public void getRole(AccessibleControlEvent e) { e.detail = ACC.ROLE_GRAPHIC; } @Override public void getState(AccessibleControlEvent e) { e.detail = ACC.STATE_FOCUSABLE; if (isFocusControl()) e.detail |= ACC.STATE_FOCUSED; } }); }
From source file:SyntaxTest.java
/** * Runs the application/* w w w . j ava 2 s.co m*/ */ public void run() { Display display = new Display(); Shell shell = new Shell(display); // Get color for style ranges red = display.getSystemColor(SWT.COLOR_RED); createContents(shell); shell.open(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) { display.sleep(); } } // No need to dispose red display.dispose(); }
From source file:KalendarDialog.java
public Object open() { Shell parent = getParent();//from ww w.j a v a 2 s.c om display = Display.getDefault(); shell = new Shell(parent, SWT.TITLE | SWT.PRIMARY_MODAL); shell.setText("Calendar ver0.02"); shell.setSize(230, 220); gridLayout = new GridLayout(); gridLayout.numColumns = 7; shell.setLayout(gridLayout); gridData = new GridData(GridData.FILL_HORIZONTAL); yearUp = new Button(shell, SWT.PUSH | SWT.FLAT); yearUp.setText("<"); yearUp.setLayoutData(gridData); yearUp.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { previousYear(); } }); gridData = new GridData(GridData.FILL_HORIZONTAL); monthUp = new Button(shell, SWT.PUSH | SWT.FLAT); monthUp.setText("<<"); monthUp.setLayoutData(gridData); monthUp.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { previousMonth(); } }); nowLabel = new CLabel(shell, SWT.CENTER | SWT.SHADOW_OUT); gridData = new GridData(GridData.FILL_HORIZONTAL); gridData.horizontalSpan = 3; nowLabel.setLayoutData(gridData); SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM"); nowLabel.setText(formatter.format(new Date())); gridData = new GridData(GridData.FILL_HORIZONTAL); monthNext = new Button(shell, SWT.PUSH | SWT.FLAT); monthNext.setText(">>"); monthNext.setLayoutData(gridData); monthNext.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { nextMonth(); } }); gridData = new GridData(GridData.FILL_HORIZONTAL); yearNext = new Button(shell, SWT.PUSH | SWT.FLAT); yearNext.setText(">"); yearNext.setLayoutData(gridData); yearNext.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { nextYear(); } }); sunday = new CLabel(shell, SWT.CENTER | SWT.SHADOW_OUT); gridData = new GridData(GridData.FILL_HORIZONTAL | GridData.FILL_VERTICAL); gridData.widthHint = 20; gridData.heightHint = 20; sunday.setLayoutData(gridData); sunday.setText("Sun"); monday = new CLabel(shell, SWT.CENTER | SWT.SHADOW_OUT); gridData = new GridData(GridData.FILL_HORIZONTAL | GridData.FILL_VERTICAL); gridData.widthHint = 20; gridData.heightHint = 20; monday.setLayoutData(gridData); monday.setText("Mon"); tuesday = new CLabel(shell, SWT.CENTER | SWT.SHADOW_OUT); gridData = new GridData(GridData.FILL_HORIZONTAL | GridData.FILL_VERTICAL); gridData.widthHint = 20; gridData.heightHint = 20; tuesday.setLayoutData(gridData); tuesday.setText("Tue"); wednesday = new CLabel(shell, SWT.CENTER | SWT.SHADOW_OUT); gridData = new GridData(GridData.FILL_HORIZONTAL | GridData.FILL_VERTICAL); gridData.widthHint = 20; gridData.heightHint = 20; wednesday.setLayoutData(gridData); wednesday.setText("Wed"); thursday = new CLabel(shell, SWT.CENTER | SWT.SHADOW_OUT); gridData = new GridData(GridData.FILL_HORIZONTAL | GridData.FILL_VERTICAL); gridData.widthHint = 20; gridData.heightHint = 20; thursday.setLayoutData(gridData); thursday.setText("Thu"); friday = new CLabel(shell, SWT.CENTER | SWT.SHADOW_OUT); gridData = new GridData(GridData.FILL_HORIZONTAL | GridData.FILL_VERTICAL); gridData.widthHint = 20; gridData.heightHint = 20; friday.setLayoutData(gridData); friday.setText("Fri"); saturday = new CLabel(shell, SWT.CENTER | SWT.SHADOW_OUT); gridData = new GridData(GridData.FILL_HORIZONTAL | GridData.FILL_VERTICAL); gridData.widthHint = 20; gridData.heightHint = 20; saturday.setLayoutData(gridData); saturday.setText("Sat"); for (int i = 0; i < 42; i++) { days[i] = new CLabel(shell, SWT.FLAT | SWT.CENTER); gridData = new GridData(GridData.FILL_HORIZONTAL | GridData.FILL_VERTICAL); days[i].setLayoutData(gridData); days[i].setBackground(display.getSystemColor(SWT.COLOR_WHITE)); days[i].addMouseListener(this); days[i].setToolTipText("double click get current date."); } Calendar now = Calendar.getInstance(); // nowDate = new Date(now.getTimeInMillis()); setDayForDisplay(now); shell.open(); Display display = parent.getDisplay(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) { display.sleep(); } } return selectedDate; }
From source file:GraphicsExample.java
public void paint(GC gc, int width, int height) { Display display = Display.getCurrent(); gc.setBackground(display.getSystemColor(SWT.COLOR_BLACK)); gc.fillOval((width - size) / 2, (height - size) / 2, size, size); }
From source file:org.eclipse.swt.examples.graphics.GradientDialog.java
/** * Creates the controls of the dialog./*ww w. j a va 2s . co m*/ * */ public void createDialogControls(final Shell parent) { final Display display = parent.getDisplay(); // message Label message = new Label(parent, SWT.NONE); message.setText(GraphicsExample.getResourceString("GradientDlgMsg")); GridData gridData = new GridData(GridData.HORIZONTAL_ALIGN_FILL); gridData.horizontalSpan = 2; message.setLayoutData(gridData); // default colors are white and black if (rgb1 == null || rgb2 == null) { rgb1 = display.getSystemColor(SWT.COLOR_WHITE).getRGB(); rgb2 = display.getSystemColor(SWT.COLOR_BLACK).getRGB(); } // canvas canvas = new Canvas(parent, SWT.NONE); gridData = new GridData(GridData.FILL_BOTH); gridData.widthHint = 200; gridData.heightHint = 100; canvas.setLayoutData(gridData); canvas.addListener(SWT.Paint, e -> { Image preview = null; Point size = canvas.getSize(); Color color1 = new Color(display, rgb1); Color color2 = new Color(display, rgb2); preview = GraphicsExample.createImage(display, color1, color2, size.x, size.y); if (preview != null) { e.gc.drawImage(preview, 0, 0); } preview.dispose(); color1.dispose(); color2.dispose(); }); // composite used for both color buttons Composite colorButtonComp = new Composite(parent, SWT.NONE); // layout buttons RowLayout layout = new RowLayout(); layout.type = SWT.VERTICAL; layout.pack = false; colorButtonComp.setLayout(layout); // position composite gridData = new GridData(GridData.VERTICAL_ALIGN_BEGINNING); colorButtonComp.setLayoutData(gridData); ColorMenu colorMenu = new ColorMenu(); // color controls: first color colorButton1 = new Button(colorButtonComp, SWT.PUSH); colorButton1.setText(GraphicsExample.getResourceString("GradientDlgButton1")); Color color1 = new Color(display, rgb1); Image img1 = GraphicsExample.createImage(display, color1); color1.dispose(); colorButton1.setImage(img1); resources.add(img1); menu1 = colorMenu.createMenu(parent.getParent(), gb -> { rgb1 = gb.getBgColor1().getRGB(); colorButton1.setImage(gb.getThumbNail()); if (canvas != null) canvas.redraw(); }); colorButton1.addListener(SWT.Selection, event -> { final Button button = (Button) event.widget; final Composite parent1 = button.getParent(); Rectangle bounds = button.getBounds(); Point point = parent1.toDisplay(new Point(bounds.x, bounds.y)); menu1.setLocation(point.x, point.y + bounds.height); menu1.setVisible(true); }); // color controls: second color colorButton2 = new Button(colorButtonComp, SWT.PUSH); colorButton2.setText(GraphicsExample.getResourceString("GradientDlgButton2")); Color color2 = new Color(display, rgb2); Image img2 = GraphicsExample.createImage(display, color2); color2.dispose(); colorButton2.setImage(img2); resources.add(img2); menu2 = colorMenu.createMenu(parent.getParent(), gb -> { rgb2 = gb.getBgColor1().getRGB(); colorButton2.setImage(gb.getThumbNail()); if (canvas != null) canvas.redraw(); }); colorButton2.addListener(SWT.Selection, event -> { final Button button = (Button) event.widget; final Composite parent1 = button.getParent(); Rectangle bounds = button.getBounds(); Point point = parent1.toDisplay(new Point(bounds.x, bounds.y)); menu2.setLocation(point.x, point.y + bounds.height); menu2.setVisible(true); }); // composite used for ok and cancel buttons Composite okCancelComp = new Composite(parent, SWT.NONE); // layout buttons RowLayout rowLayout = new RowLayout(); rowLayout.pack = false; rowLayout.marginTop = 5; okCancelComp.setLayout(rowLayout); // position composite gridData = new GridData(GridData.HORIZONTAL_ALIGN_END); gridData.horizontalSpan = 2; okCancelComp.setLayoutData(gridData); // OK button okButton = new Button(okCancelComp, SWT.PUSH); okButton.setText("&OK"); okButton.addListener(SWT.Selection, event -> { returnVal = SWT.OK; parent.close(); }); // cancel button cancelButton = new Button(okCancelComp, SWT.PUSH); cancelButton.setText("&Cancel"); cancelButton.addListener(SWT.Selection, event -> parent.close()); }
From source file:GraphicsExample.java
public void paint(GC gc, int width, int height) { int centerX = width / 2; int centerY = height / 2; int pos = 0;//w w w. j a v a 2 s . c om for (int i = 0; i < POINTS; ++i) { double r = Math.PI * 2 * pos / POINTS; radial[i * 2] = (int) ((1 + Math.cos(r)) * centerX); radial[i * 2 + 1] = (int) ((1 + Math.sin(r)) * centerY); pos = (pos + POINTS / 2) % POINTS; } Display display = Display.getCurrent(); gc.setFillRule(fillRuleCb.getSelectionIndex() != 0 ? SWT.FILL_WINDING : SWT.FILL_EVEN_ODD); gc.setBackground(display.getSystemColor(SWT.COLOR_WHITE)); gc.fillPolygon(radial); gc.drawPolygon(radial); }
From source file:GraphicsExample.java
Image createImage(Display display, Color color) { Image image = new Image(display, 16, 16); GC gc = new GC(image); gc.setBackground(color);//from w w w . j av a2 s .com Rectangle rect = image.getBounds(); gc.fillRectangle(rect); if (color.equals(display.getSystemColor(SWT.COLOR_BLACK))) { gc.setForeground(display.getSystemColor(SWT.COLOR_WHITE)); } gc.drawRectangle(rect.x, rect.y, rect.width - 1, rect.height - 1); gc.dispose(); return image; }
From source file:org.eclipse.swt.examples.graphics.ColorMenu.java
/** Adds the colors items to the menu. */ private void addColorItems(Menu menu, MenuItemListener menuListener, List<Resource> menuResources) { Display display = menu.getDisplay(); if (menu.getItemCount() != 0) { new MenuItem(menu, SWT.SEPARATOR); }//from www .j av a 2s. c o m // color names String[] names = new String[] { GraphicsExample.getResourceString("White"), //$NON-NLS-1$ GraphicsExample.getResourceString("Black"), //$NON-NLS-1$ GraphicsExample.getResourceString("Red"), //$NON-NLS-1$ GraphicsExample.getResourceString("Green"), //$NON-NLS-1$ GraphicsExample.getResourceString("Blue"), //$NON-NLS-1$ GraphicsExample.getResourceString("Yellow"), //$NON-NLS-1$ GraphicsExample.getResourceString("Cyan"), //$NON-NLS-1$ }; // colors needed for the background menu Color[] colors = new Color[] { display.getSystemColor(SWT.COLOR_WHITE), display.getSystemColor(SWT.COLOR_BLACK), display.getSystemColor(SWT.COLOR_RED), display.getSystemColor(SWT.COLOR_GREEN), display.getSystemColor(SWT.COLOR_BLUE), display.getSystemColor(SWT.COLOR_YELLOW), display.getSystemColor(SWT.COLOR_CYAN), }; // add standard color items to menu for (int i = 0; i < names.length; i++) { MenuItem item = new MenuItem(menu, SWT.NONE); item.setText(names[i]); item.addListener(SWT.Selection, menuListener); Color color = colors[i]; GraphicsBackground gb = new GraphicsBackground(); Image image = GraphicsExample.createImage(display, color); gb.setBgColor1(color); gb.setBgImage(image); gb.setThumbNail(image); menuResources.add(image); item.setImage(image); item.setData(gb); } // add custom color item to menu menuListener.customColorMI = new MenuItem(menu, SWT.NONE); menuListener.customColorMI.setText(GraphicsExample.getResourceString("CustomColor")); //$NON-NLS-1$ menuListener.customColorMI.addListener(SWT.Selection, menuListener); GraphicsBackground gb = new GraphicsBackground(); menuListener.customColorMI.setData(gb); }
From source file:org.eclipse.swt.examples.accessibility.BarChart.java
void addListeners() { addPaintListener(e -> {//from ww w . j av a2s . c om GC gc = e.gc; Rectangle rect = getClientArea(); Display display = getDisplay(); int count = data.size(); Point valueSize = gc.stringExtent(Integer.valueOf(valueMax).toString()); int leftX = rect.x + 2 * GAP + valueSize.x; int bottomY = rect.y + rect.height - 2 * GAP - valueSize.y; int unitWidth = (rect.width - 4 * GAP - valueSize.x - AXIS_WIDTH) / count - GAP; int unitHeight = (rect.height - 3 * GAP - AXIS_WIDTH - 2 * valueSize.y) / ((valueMax - valueMin) / valueIncrement); // draw the title int titleWidth = gc.stringExtent(title).x; int center = (Math.max(titleWidth, count * (unitWidth + GAP) + GAP) - titleWidth) / 2; gc.setForeground(display.getSystemColor(SWT.COLOR_BLACK)); gc.drawString(title, leftX + AXIS_WIDTH + center, rect.y + GAP); // draw the y axis and value labels gc.setLineWidth(AXIS_WIDTH); gc.drawLine(leftX, rect.y + GAP + valueSize.y, leftX, bottomY); for (int i1 = valueMin; i1 <= valueMax; i1 += valueIncrement) { int y = bottomY - i1 * unitHeight; gc.drawLine(leftX, y, leftX - GAP, y); gc.drawString(Integer.valueOf(i1).toString(), rect.x + GAP, y - valueSize.y); } // draw the x axis and item labels gc.drawLine(leftX, bottomY, rect.x + rect.width - GAP, bottomY); for (int i2 = 0; i2 < count; i2++) { Object[] dataItem1 = data.get(i2); String itemLabel = (String) dataItem1[0]; int x1 = leftX + AXIS_WIDTH + GAP + i2 * (unitWidth + GAP); gc.drawString(itemLabel, x1, bottomY + GAP); } // draw the bars gc.setBackground(display.getSystemColor(color)); for (int i3 = 0; i3 < count; i3++) { Object[] dataItem2 = data.get(i3); int itemValue1 = ((Integer) dataItem2[1]).intValue(); int x2 = leftX + AXIS_WIDTH + GAP + i3 * (unitWidth + GAP); gc.fillRectangle(x2, bottomY - AXIS_WIDTH - itemValue1 * unitHeight, unitWidth, itemValue1 * unitHeight); } if (isFocusControl()) { if (selectedItem == -1) { // draw the focus rectangle around the whole bar chart gc.drawFocus(rect.x, rect.y, rect.width, rect.height); } else { // draw the focus rectangle around the selected item Object[] dataItem3 = data.get(selectedItem); int itemValue2 = ((Integer) dataItem3[1]).intValue(); int x3 = leftX + AXIS_WIDTH + GAP + selectedItem * (unitWidth + GAP); gc.drawFocus(x3, bottomY - itemValue2 * unitHeight - AXIS_WIDTH, unitWidth, itemValue2 * unitHeight + AXIS_WIDTH + GAP + valueSize.y); } } }); addFocusListener(new FocusAdapter() { @Override public void focusGained(FocusEvent e) { redraw(); } @Override public void focusLost(FocusEvent e) { redraw(); } }); addMouseListener(MouseListener.mouseDownAdapter(e -> { if (getClientArea().contains(e.x, e.y)) { setFocus(); int item = -1; int count = data.size(); for (int i = 0; i < count; i++) { if (itemBounds(i).contains(e.x, e.y)) { item = i; break; } } if (item != selectedItem) { selectedItem = item; redraw(); getAccessible().setFocus(item); getAccessible().selectionChanged(); } } })); addKeyListener(new KeyAdapter() { @Override public void keyPressed(KeyEvent e) { boolean change = false; switch (e.keyCode) { case SWT.ARROW_DOWN: case SWT.ARROW_RIGHT: selectedItem++; if (selectedItem >= data.size()) selectedItem = 0; change = true; break; case SWT.ARROW_UP: case SWT.ARROW_LEFT: selectedItem--; if (selectedItem <= -1) selectedItem = data.size() - 1; change = true; break; case SWT.HOME: selectedItem = 0; change = true; break; case SWT.END: selectedItem = data.size() - 1; change = true; break; } if (change) { redraw(); getAccessible().setFocus(selectedItem); getAccessible().selectionChanged(); } } }); addTraverseListener(e -> { switch (e.detail) { case SWT.TRAVERSE_TAB_NEXT: case SWT.TRAVERSE_TAB_PREVIOUS: e.doit = true; break; } }); getAccessible().addAccessibleListener(new AccessibleAdapter() { @Override public void getName(AccessibleEvent e) { MessageFormat formatter = new MessageFormat(""); //$NON_NLS$ formatter.applyPattern(bundle.getString("name")); //$NON_NLS$ int childID = e.childID; if (childID == ACC.CHILDID_SELF) { e.result = title; } else { Object[] item = data.get(childID); e.result = formatter.format(item); } } @Override public void getDescription(AccessibleEvent e) { int childID = e.childID; if (childID != ACC.CHILDID_SELF) { Object[] item = data.get(childID); String value = item[1].toString(); String colorName = bundle.getString("color" + color); //$NON_NLS$ MessageFormat formatter = new MessageFormat(""); //$NON_NLS$ formatter.applyPattern(bundle.getString("color_value")); //$NON_NLS$ e.result = formatter.format(new String[] { colorName, value }); } } }); getAccessible().addAccessibleControlListener(new AccessibleControlAdapter() { @Override public void getRole(AccessibleControlEvent e) { if (e.childID == ACC.CHILDID_SELF) { e.detail = ACC.ROLE_LIST; } else { e.detail = ACC.ROLE_LISTITEM; } } @Override public void getChildCount(AccessibleControlEvent e) { e.detail = data.size(); } @Override public void getChildren(AccessibleControlEvent e) { int count = data.size(); Object[] children = new Object[count]; for (int i = 0; i < count; i++) { children[i] = Integer.valueOf(i); } e.children = children; } @Override public void getChildAtPoint(AccessibleControlEvent e) { Point testPoint = toControl(e.x, e.y); int childID = ACC.CHILDID_NONE; if (getClientArea().contains(testPoint)) { childID = ACC.CHILDID_SELF; int count = data.size(); for (int i = 0; i < count; i++) { if (itemBounds(i).contains(testPoint)) { childID = i; break; } } } e.childID = childID; } @Override public void getLocation(AccessibleControlEvent e) { Rectangle location = null; Point pt = null; int childID = e.childID; if (childID == ACC.CHILDID_SELF) { location = getClientArea(); pt = getParent().toDisplay(location.x, location.y); } else { location = itemBounds(childID); pt = toDisplay(location.x, location.y); } e.x = pt.x; e.y = pt.y; e.width = location.width; e.height = location.height; } @Override public void getFocus(AccessibleControlEvent e) { int childID = ACC.CHILDID_NONE; if (isFocusControl()) { if (selectedItem == -1) { childID = ACC.CHILDID_SELF; } else { childID = selectedItem; } } e.childID = childID; } @Override public void getSelection(AccessibleControlEvent e) { e.childID = (selectedItem == -1) ? ACC.CHILDID_NONE : selectedItem; } @Override public void getValue(AccessibleControlEvent e) { int childID = e.childID; if (childID != ACC.CHILDID_SELF) { Object[] dataItem = data.get(childID); e.result = ((Integer) dataItem[1]).toString(); } } @Override public void getState(AccessibleControlEvent e) { int childID = e.childID; e.detail = ACC.STATE_FOCUSABLE; if (isFocusControl()) e.detail |= ACC.STATE_FOCUSED; if (childID != ACC.CHILDID_SELF) { e.detail |= ACC.STATE_SELECTABLE; if (childID == selectedItem) e.detail |= ACC.STATE_SELECTED; } } }); }
From source file:org.eclipse.swt.examples.graphics.AdvancedGraphics.java
public Shell open(final Display display) { final Shell shell = new Shell(display); shell.setText(RESOURCE_BUNDLE.getString("AdvancedGraphics")); //$NON-NLS-1$ try {//from ww w . ja v a 2 s . c o m Path path = new Path(display); path.dispose(); } catch (SWTException e) { MessageBox dialog = new MessageBox(shell, SWT.ICON_WARNING | SWT.OK); dialog.setText(RESOURCE_BUNDLE.getString("Warning")); //$NON-NLS-1$ dialog.setMessage(RESOURCE_BUNDLE.getString("LibNotFound")); //$NON-NLS-1$ dialog.open(); shell.dispose(); return null; } FontData fd = shell.getFont().getFontData()[0]; final Font font = new Font(display, fd.getName(), 96, SWT.BOLD | SWT.ITALIC); final Image image = loadImage(display, AdvancedGraphics.class, "irmaos.jpg"); final Rectangle rect = image.getBounds(); shell.addListener(SWT.Paint, event -> { GC gc = event.gc; Transform tr = new Transform(display); tr.translate(rect.width / 4, rect.height / 2); tr.rotate(-30); if (image != null) { gc.drawImage(image, 0, 0, rect.width, rect.height, 0, 0, rect.width, rect.height); } gc.setAlpha(100); gc.setTransform(tr); Path path = new Path(display); path.addString("SWT", 0, 0, font); gc.setBackground(display.getSystemColor(SWT.COLOR_GREEN)); gc.setForeground(display.getSystemColor(SWT.COLOR_BLUE)); gc.fillPath(path); gc.drawPath(path); tr.dispose(); path.dispose(); }); shell.setSize(shell.computeSize(rect.width, rect.height)); shell.open(); shell.addListener(SWT.Dispose, event -> { if (image != null) image.dispose(); font.dispose(); }); return shell; }