Examples with PaintListener org.eclipse.swt.events.PaintListener used on opensource projects

Example 11 with PaintListener

use of org.eclipse.swt.events.PaintListener in project eclipse.platform.text by eclipse.

the class OverviewRuler method createControl.

@Override
public Control createControl(Composite parent, ITextViewer textViewer) {
    fTextViewer = textViewer;
    fHitDetectionCursor = parent.getDisplay().getSystemCursor(SWT.CURSOR_HAND);
    fHeader = new Canvas(parent, SWT.NONE);
    if (fAnnotationAccess instanceof IAnnotationAccessExtension) {
        fHeader.addMouseTrackListener(new MouseTrackAdapter() {

            /*
				 * @see org.eclipse.swt.events.MouseTrackAdapter#mouseHover(org.eclipse.swt.events.MouseEvent)
				 * @since 3.3
				 */
            @Override
            public void mouseEnter(MouseEvent e) {
                updateHeaderToolTipText();
            }
        });
    }
    fCanvas = new Canvas(parent, SWT.NO_BACKGROUND);
    fCanvas.addPaintListener(new PaintListener() {

        @Override
        public void paintControl(PaintEvent event) {
            if (fTextViewer != null)
                doubleBufferPaint(event.gc);
        }
    });
    fCanvas.addDisposeListener(new DisposeListener() {

        @Override
        public void widgetDisposed(DisposeEvent event) {
            handleDispose();
            fTextViewer = null;
        }
    });
    fCanvas.addMouseListener(new MouseAdapter() {

        @Override
        public void mouseDown(MouseEvent event) {
            handleMouseDown(event);
        }
    });
    fCanvas.addMouseMoveListener(new MouseMoveListener() {

        @Override
        public void mouseMove(MouseEvent event) {
            handleMouseMove(event);
        }
    });
    fCanvas.addMouseWheelListener(new MouseWheelListener() {

        @Override
        public void mouseScrolled(MouseEvent e) {
            handleMouseScrolled(e);
        }
    });
    if (fTextViewer != null) {
        fTextViewer.addTextListener(fInternalListener);
        // on word wrap toggle a "resized" ControlEvent is fired: suggest a redraw of the ruler
        fTextViewer.getTextWidget().addControlListener(new ControlAdapter() {

            @Override
            public void controlResized(ControlEvent e) {
                if (fTextViewer == null) {
                    return;
                }
                StyledText textWidget = fTextViewer.getTextWidget();
                if (textWidget != null && textWidget.getWordWrap()) {
                    redraw();
                }
            }
        });
    }
    return fCanvas;
}

Example 12 with PaintListener

use of org.eclipse.swt.events.PaintListener in project eclipse.platform.text by eclipse.

the class AnnotationRulerColumn method createControl.

@Override
public Control createControl(CompositeRuler parentRuler, Composite parentControl) {
    fParentRuler = parentRuler;
    fCachedTextViewer = parentRuler.getTextViewer();
    fCachedTextWidget = fCachedTextViewer.getTextWidget();
    fHitDetectionCursor = parentControl.getDisplay().getSystemCursor(SWT.CURSOR_HAND);
    fCanvas = createCanvas(parentControl);
    fCanvas.addPaintListener(new PaintListener() {

        @Override
        public void paintControl(PaintEvent event) {
            if (fCachedTextViewer != null)
                doubleBufferPaint(event.gc);
        }
    });
    fCanvas.addDisposeListener(new DisposeListener() {

        @Override
        public void widgetDisposed(DisposeEvent e) {
            handleDispose();
            fCachedTextViewer = null;
            fCachedTextWidget = null;
        }
    });
    fMouseListener = new MouseListener() {

        @Override
        public void mouseUp(MouseEvent event) {
            int lineNumber;
            if (isPropagatingMouseListener()) {
                fParentRuler.setLocationOfLastMouseButtonActivity(event.x, event.y);
                lineNumber = fParentRuler.getLineOfLastMouseButtonActivity();
            } else
                lineNumber = fParentRuler.toDocumentLineNumber(event.y);
            if (1 == event.button)
                mouseClicked(lineNumber);
        }

        @Override
        public void mouseDown(MouseEvent event) {
            int lineNumber;
            if (isPropagatingMouseListener()) {
                fParentRuler.setLocationOfLastMouseButtonActivity(event.x, event.y);
                lineNumber = fParentRuler.getLineOfLastMouseButtonActivity();
            } else
                lineNumber = fParentRuler.toDocumentLineNumber(event.y);
            if (1 == event.button)
                AnnotationRulerColumn.this.mouseDown(lineNumber);
        }

        @Override
        public void mouseDoubleClick(MouseEvent event) {
            int lineNumber;
            if (isPropagatingMouseListener()) {
                fParentRuler.setLocationOfLastMouseButtonActivity(event.x, event.y);
                lineNumber = fParentRuler.getLineOfLastMouseButtonActivity();
            } else
                lineNumber = fParentRuler.toDocumentLineNumber(event.y);
            if (1 == event.button)
                mouseDoubleClicked(lineNumber);
        }
    };
    fCanvas.addMouseListener(fMouseListener);
    fCanvas.addMouseMoveListener(new MouseMoveListener() {

        @Override
        public void mouseMove(MouseEvent e) {
            handleMouseMove(e);
        }
    });
    fCanvas.addMouseWheelListener(new MouseWheelListener() {

        @Override
        public void mouseScrolled(MouseEvent e) {
            handleMouseScrolled(e);
        }
    });
    if (fCachedTextViewer != null) {
        VisibleLinesTracker.track(fCachedTextViewer, lineHeightChangeHandler);
        fCachedTextViewer.addTextListener(fLineListener);
        // on word wrap toggle a "resized" ControlEvent is fired: suggest a redraw of the ruler
        fCachedTextWidget.addControlListener(new ControlAdapter() {

            @Override
            public void controlResized(ControlEvent e) {
                if (fCachedTextWidget != null && fCachedTextWidget.getWordWrap()) {
                    redraw();
                }
            }
        });
    }
    return fCanvas;
}

Example 13 with PaintListener

use of org.eclipse.swt.events.PaintListener in project eclipse.platform.text by eclipse.

the class LineNumberRulerColumn method createControl.

@Override
public Control createControl(CompositeRuler parentRuler, Composite parentControl) {
    fParentRuler = parentRuler;
    fCachedTextViewer = parentRuler.getTextViewer();
    fCachedTextWidget = fCachedTextViewer.getTextWidget();
    // on word wrap toggle a "resized" ControlEvent is fired: suggest a redraw of the line ruler
    fCachedTextWidget.addControlListener(new ControlAdapter() {

        @Override
        public void controlResized(ControlEvent e) {
            if (fCachedTextWidget != null && fCachedTextWidget.getWordWrap()) {
                postRedraw();
            }
        }
    });
    // track when StyledText is redrawn to check if some line height changed. In this case, the ruler must be redrawn
    // to draw line number with well height.
    VisibleLinesTracker.track(fCachedTextViewer, lineHeightChangeHandler);
    fCanvas = new Canvas(parentControl, SWT.NO_FOCUS) {

        @Override
        public void addMouseListener(MouseListener listener) {
            // see bug 40889, bug 230073 and AnnotationRulerColumn#isPropagatingMouseListener()
            if (listener == fMouseHandler)
                super.addMouseListener(listener);
            else {
                TypedListener typedListener = null;
                if (listener != null)
                    typedListener = new TypedListener(listener);
                addListener(SWT.MouseDoubleClick, typedListener);
            }
        }
    };
    fCanvas.setBackground(getBackground(fCanvas.getDisplay()));
    fCanvas.setForeground(fForeground);
    fCanvas.addPaintListener(new PaintListener() {

        @Override
        public void paintControl(PaintEvent event) {
            if (fCachedTextViewer != null)
                doubleBufferPaint(event.gc);
        }
    });
    fCanvas.addDisposeListener(new DisposeListener() {

        @Override
        public void widgetDisposed(DisposeEvent e) {
            handleDispose();
            fCachedTextViewer = null;
            fCachedTextWidget = null;
        }
    });
    fMouseHandler = new MouseHandler();
    fCanvas.addMouseListener(fMouseHandler);
    fCanvas.addMouseMoveListener(fMouseHandler);
    fCanvas.addMouseWheelListener(fMouseHandler);
    if (fCachedTextViewer != null) {
        VisibleLinesTracker.track(fCachedTextViewer, lineHeightChangeHandler);
        fCachedTextViewer.addTextListener(fInternalListener);
        if (fFont == null) {
            if (fCachedTextWidget != null && !fCachedTextWidget.isDisposed())
                fFont = fCachedTextWidget.getFont();
        }
    }
    if (fFont != null)
        fCanvas.setFont(fFont);
    updateNumberOfDigits();
    computeIndentations();
    return fCanvas;
}

Example 14 with PaintListener

use of org.eclipse.swt.events.PaintListener in project eclipse.platform.text by eclipse.

the class AbstractRulerColumn method createControl.

@Override
public Control createControl(CompositeRuler parentRuler, Composite parentControl) {
    Assert.isLegal(parentControl != null);
    Assert.isLegal(parentRuler != null);
    // only call when not yet initialized!
    Assert.isLegal(fParentRuler == null);
    fParentRuler = parentRuler;
    fTextViewer = getParentRuler().getTextViewer();
    fTextViewer.addViewportListener(fInternalListener);
    fTextViewer.addTextListener(fInternalListener);
    fStyledText = fTextViewer.getTextWidget();
    fCanvas = new Canvas(parentControl, getCanvasStyle());
    fCanvas.setBackground(getDefaultBackground());
    fCanvas.setFont(getFont());
    fCanvas.addPaintListener(new PaintListener() {

        @Override
        public void paintControl(PaintEvent event) {
            AbstractRulerColumn.this.paintControl(event);
        }
    });
    fCanvas.addMouseListener(fMouseHandler);
    fCanvas.addMouseMoveListener(fMouseHandler);
    return fCanvas;
}

Example 15 with PaintListener

use of org.eclipse.swt.events.PaintListener in project dbeaver by dbeaver.

the class DBeaverSplashHandler method initVisualization.

private void initVisualization() {
    String progressRectString = null, messageRectString = null, foregroundColorString = null, versionCoordString = null, versionInfoSizeString = null, versionInfoColorString = null;
    final IProduct product = Platform.getProduct();
    if (product != null) {
        progressRectString = product.getProperty(IProductConstants.STARTUP_PROGRESS_RECT);
        messageRectString = product.getProperty(IProductConstants.STARTUP_MESSAGE_RECT);
        foregroundColorString = product.getProperty(IProductConstants.STARTUP_FOREGROUND_COLOR);
        versionCoordString = product.getProperty("versionInfoCoord");
        versionInfoSizeString = product.getProperty("versionInfoSize");
        versionInfoColorString = product.getProperty("versionInfoColor");
    }
    setProgressRect(StringConverter.asRectangle(progressRectString, new Rectangle(275, 300, 280, 10)));
    setMessageRect(StringConverter.asRectangle(messageRectString, new Rectangle(275, 275, 280, 25)));
    final Point versionCoord = StringConverter.asPoint(versionCoordString, new Point(485, 215));
    final int versionInfoSize = StringConverter.asInt(versionInfoSizeString, 22);
    final RGB versionInfoRGB = StringConverter.asRGB(versionInfoColorString, new RGB(255, 255, 255));
    int foregroundColorInteger = 0xD2D7FF;
    try {
        if (foregroundColorString != null) {
            foregroundColorInteger = Integer.parseInt(foregroundColorString, 16);
        }
    } catch (Exception ex) {
    // ignore
    }
    setForeground(new RGB((foregroundColorInteger & 0xFF0000) >> 16, (foregroundColorInteger & 0xFF00) >> 8, foregroundColorInteger & 0xFF));
    normalFont = getContent().getFont();
    // boldFont = UIUtils.makeBoldFont(normalFont);
    FontData[] fontData = normalFont.getFontData();
    fontData[0].setStyle(fontData[0].getStyle() | SWT.BOLD);
    fontData[0].setHeight(versionInfoSize);
    boldFont = new Font(normalFont.getDevice(), fontData[0]);
    final Color versionColor = new Color(getContent().getDisplay(), versionInfoRGB);
    getContent().addPaintListener(new PaintListener() {

        @Override
        public void paintControl(PaintEvent e) {
            String productVersion = "";
            if (product != null) {
                productVersion = GeneralUtils.getProductVersion().toString();
            }
            // String osVersion = Platform.getOS() + " " + Platform.getOSArch();
            if (boldFont != null) {
                e.gc.setFont(boldFont);
            }
            e.gc.setForeground(versionColor);
            e.gc.drawText(productVersion, versionCoord.x, versionCoord.y, true);
            // e.gc.drawText(osVersion, 115, 200, true);
            e.gc.setFont(normalFont);
        }
    });
}