예제 #1
0
 public Region getRegion(Image image) {
   Region region = new Region();
   final ImageData imageData = image.getImageData();
   if (imageData.alphaData != null) {
     Rectangle pixel = new Rectangle(0, 0, 1, 1);
     for (int y = 0; y < imageData.height; y++) {
       for (int x = 0; x < imageData.width; x++) {
         if (imageData.getAlpha(x, y) == 255) {
           pixel.x = imageData.x + x;
           pixel.y = imageData.y + y;
           region.add(pixel);
         }
       }
     }
   } else {
     ImageData mask = imageData.getTransparencyMask();
     Rectangle pixel = new Rectangle(0, 0, 1, 1);
     for (int y = 0; y < mask.height; y++) {
       for (int x = 0; x < mask.width; x++) {
         if (mask.getPixel(x, y) != 0) {
           pixel.x = imageData.x + x;
           pixel.y = imageData.y + y;
           region.add(pixel);
         }
       }
     }
   }
   return region;
 }
예제 #2
0
  private void updateShellStructure() {
    Region region = new Region(mShell.getDisplay());
    int maxX = mShell.getBounds().width;
    int maxY = mShell.getBounds().height;

    region.add(0, 0, maxX, maxY);

    if (!getMaximized()) {
      // top left
      region.subtract(0, 0, 4, 1);
      region.subtract(0, 1, 2, 1);
      region.subtract(0, 2, 1, 1);
      region.subtract(0, 3, 1, 1);

      // bottom right
      region.subtract(maxX - 1, maxY - 4, 1, 4);
      region.subtract(maxX - 2, maxY - 2, 1, 2);
      region.subtract(maxX - 3, maxY - 1, 1, 1);
      region.subtract(maxX - 4, maxY - 1, 1, 1);

      // bottom left
      region.subtract(0, maxY - 4, 1, 4);
      region.subtract(1, maxY - 2, 1, 2);
      region.subtract(2, maxY - 1, 1, 1);
      region.subtract(3, maxY - 1, 1, 1);

      // top right
      region.subtract(maxX - 4, 0, 4, 1);
      region.subtract(maxX - 2, 1, 2, 1);
      region.subtract(maxX - 1, 2, 1, 1);
      region.subtract(maxX - 1, 3, 1, 1);
    }

    mShell.setRegion(region);
  }
예제 #3
0
 public void addDamagedRegion(FigureDrawContext fdc, Region region) {
   Font oldFont = fdc.gc.getFont();
   fdc.gc.setFont(font);
   Point textExtent = fdc.gc.textExtent(text);
   fdc.gc.setFont(oldFont);
   region.add(fdc.toClientRectangle(x, y, x + textExtent.x, y + textExtent.y));
 }
  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.setAdvanced(true);
    if (gc.getAdvanced()) {
      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);

  }
예제 #5
0
  @SuppressWarnings("unchecked")
  public void prepareForOpen() {
    Point contentsSize = contents.getSize();
    Point titleSize = new Point(0, 0);

    boolean showTitle = ((style & (SWT.CLOSE | SWT.TITLE)) != 0);
    if (showTitle) {
      if (titleLabel == null) {
        titleLabel = new Label(shell, SWT.NONE);
        titleLabel.setBackground(shell.getBackground());
        titleLabel.setForeground(shell.getForeground());
        FontData[] fds = shell.getFont().getFontData();
        for (int i = 0; i < fds.length; i++) {
          fds[i].setStyle(fds[i].getStyle() | SWT.BOLD);
        }
        final Font font = new Font(shell.getDisplay(), fds);
        titleLabel.addListener(
            SWT.Dispose,
            new Listener() {
              @Override
              public void handleEvent(Event event) {
                font.dispose();
              }
            });
        titleLabel.setFont(font);
        selectionControls.add(titleLabel);
      }
      String titleText = shell.getText();
      titleLabel.setText(titleText == null ? "" : titleText);
      titleLabel.pack();
      titleSize = titleLabel.getSize();

      final Image titleImage = shell.getImage();
      if (titleImageLabel == null && shell.getImage() != null) {
        titleImageLabel = new Canvas(shell, SWT.NONE);
        titleImageLabel.setBackground(shell.getBackground());
        titleImageLabel.setBounds(titleImage.getBounds());
        titleImageLabel.addListener(
            SWT.Paint,
            new Listener() {
              @Override
              public void handleEvent(Event event) {
                event.gc.drawImage(titleImage, 0, 0);
              }
            });
        Point tilSize = titleImageLabel.getSize();
        titleSize.x += tilSize.x + titleWidgetSpacing;
        if (tilSize.y > titleSize.y) titleSize.y = tilSize.y;
        selectionControls.add(titleImageLabel);
      }

      if (systemControlsBar == null && (style & SWT.CLOSE) != 0) {
        // Color closeFG = shell.getForeground(), closeBG = shell.getBackground();
        // Color closeFG = shell.getDisplay().getSystemColor(SWT.COLOR_DARK_GRAY), closeBG =
        // shell.getBackground();
        Color closeFG = shell.getDisplay().getSystemColor(SWT.COLOR_WIDGET_FOREGROUND),
            closeBG = shell.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND);
        final Image closeImage = createCloseImage(shell.getDisplay(), closeBG, closeFG);
        shell.addListener(
            SWT.Dispose,
            new Listener() {
              @Override
              public void handleEvent(Event event) {
                closeImage.dispose();
              }
            });
        systemControlsBar = new ToolBar(shell, SWT.FLAT);
        systemControlsBar.setBackground(closeBG);
        systemControlsBar.setForeground(closeFG);
        ToolItem closeItem = new ToolItem(systemControlsBar, SWT.PUSH);
        closeItem.setImage(closeImage);
        closeItem.addListener(
            SWT.Selection,
            new Listener() {
              @Override
              public void handleEvent(Event event) {
                shell.close();
              }
            });
        systemControlsBar.pack();
        Point closeSize = systemControlsBar.getSize();
        titleSize.x += closeSize.x + titleWidgetSpacing;
        if (closeSize.y > titleSize.y) titleSize.y = closeSize.y;
      }

      titleSize.y += titleSpacing;
      if (titleSize.x > contentsSize.x) {
        contentsSize.x = titleSize.x;
        contents.setSize(contentsSize.x, contentsSize.y);
      }
      contentsSize.y += titleSize.y;
    }

    Rectangle screen = shell.getDisplay().getClientArea();

    int anchor = preferredAnchor;
    if (anchor != SWT.NONE && autoAnchor && locX != Integer.MIN_VALUE) {
      if ((anchor & SWT.LEFT) != 0) {
        if (locX + contentsSize.x + marginLeft + marginRight - 16 >= screen.x + screen.width)
          anchor = anchor - SWT.LEFT + SWT.RIGHT;
      } else // RIGHT
      {
        if (locX - contentsSize.x - marginLeft - marginRight + 16 < screen.x)
          anchor = anchor - SWT.RIGHT + SWT.LEFT;
      }
      if ((anchor & SWT.TOP) != 0) {
        if (locY + contentsSize.y + 20 + marginTop + marginBottom >= screen.y + screen.height)
          anchor = anchor - SWT.TOP + SWT.BOTTOM;
      } else // BOTTOM
      {
        if (locY - contentsSize.y - 20 - marginTop - marginBottom < screen.y)
          anchor = anchor - SWT.BOTTOM + SWT.TOP;
      }
    }

    final Point shellSize =
        (anchor == SWT.NONE)
            ? new Point(
                contentsSize.x + marginLeft + marginRight,
                contentsSize.y + marginTop + marginBottom)
            : new Point(
                contentsSize.x + marginLeft + marginRight,
                contentsSize.y + marginTop + marginBottom + 20);

    if (shellSize.x < 54 + marginLeft + marginRight) shellSize.x = 54 + marginLeft + marginRight;
    if (anchor == SWT.NONE) {
      if (shellSize.y < 10 + marginTop + marginBottom) shellSize.y = 10 + marginTop + marginBottom;
    } else {
      if (shellSize.y < 30 + marginTop + marginBottom) shellSize.y = 30 + marginTop + marginBottom;
    }

    shell.setSize(shellSize);
    int titleLocY = marginTop + (((anchor & SWT.TOP) != 0) ? 20 : 0);
    contents.setLocation(marginLeft, titleSize.y + titleLocY);
    if (showTitle) {
      int realTitleHeight = titleSize.y - titleSpacing;
      if (titleImageLabel != null) {
        titleImageLabel.setLocation(
            marginLeft, titleLocY + (realTitleHeight - titleImageLabel.getSize().y) / 2);
        titleLabel.setLocation(
            marginLeft + titleImageLabel.getSize().x + titleWidgetSpacing,
            titleLocY + (realTitleHeight - titleLabel.getSize().y) / 2);
      } else
        titleLabel.setLocation(
            marginLeft, titleLocY + (realTitleHeight - titleLabel.getSize().y) / 2);
      if (systemControlsBar != null)
        systemControlsBar.setLocation(
            shellSize.x - marginRight - systemControlsBar.getSize().x,
            titleLocY + (realTitleHeight - systemControlsBar.getSize().y) / 2);
    }

    final Region region = new Region();
    region.add(createOutline(shellSize, anchor, true));

    shell.setRegion(region);
    shell.addListener(
        SWT.Dispose,
        new Listener() {
          @Override
          public void handleEvent(Event event) {
            region.dispose();
          }
        });

    final int[] outline = createOutline(shellSize, anchor, false);
    shell.addListener(
        SWT.Paint,
        new Listener() {
          @Override
          public void handleEvent(Event event) {
            event.gc.drawPolygon(outline);
          }
        });

    if (locX != Integer.MIN_VALUE) {
      Point shellLoc = new Point(locX, locY);
      if ((anchor & SWT.BOTTOM) != 0) shellLoc.y = shellLoc.y - shellSize.y + 1;
      if ((anchor & SWT.LEFT) != 0) shellLoc.x -= 15;
      else if ((anchor & SWT.RIGHT) != 0) shellLoc.x = shellLoc.x - shellSize.x + 16;

      if (autoAnchor) {
        if (shellLoc.x < screen.x) shellLoc.x = screen.x;
        else if (shellLoc.x > screen.x + screen.width - shellSize.x)
          shellLoc.x = screen.x + screen.width - shellSize.x;

        if (anchor == SWT.NONE) {
          if (shellLoc.y < screen.y) shellLoc.y = screen.y;
          else if (shellLoc.y > screen.y + screen.height - shellSize.y)
            shellLoc.y = screen.y + screen.height - shellSize.y;
        }
      }

      shell.setLocation(shellLoc);
    }
  }
예제 #6
0
  public static void main(String[] args) {
    final Display display = new Display();
    final Image image = display.getSystemImage(SWT.ICON_INFORMATION);
    final Shell shell = new Shell(display, SWT.NO_TRIM);
    Region region = new Region();
    final ImageData imageData = image.getImageData();
    if (imageData.alphaData != null) {
      Rectangle pixel = new Rectangle(0, 0, 1, 1);
      for (int y = 0; y < imageData.height; y++) {
        for (int x = 0; x < imageData.width; x++) {
          if (imageData.getAlpha(x, y) == 255) {
            pixel.x = imageData.x + x;
            pixel.y = imageData.y + y;
            region.add(pixel);
          }
        }
      }
    } else {
      ImageData mask = imageData.getTransparencyMask();
      Rectangle pixel = new Rectangle(0, 0, 1, 1);
      for (int y = 0; y < mask.height; y++) {
        for (int x = 0; x < mask.width; x++) {
          if (mask.getPixel(x, y) != 0) {
            pixel.x = imageData.x + x;
            pixel.y = imageData.y + y;
            region.add(pixel);
          }
        }
      }
    }
    shell.setRegion(region);

    Listener l =
        new Listener() {
          /** The x/y of the MouseDown, relative to top-left of the shell. */
          int startX, startY;

          @Override
          public void handleEvent(Event e) {
            if (e.type == SWT.KeyDown && e.character == SWT.ESC) {
              shell.dispose();
            }
            if (e.type == SWT.MouseDown && e.button == 1) {
              Point p = shell.toDisplay(e.x, e.y);
              Point loc = shell.getLocation();
              startX = p.x - loc.x;
              startY = p.y - loc.y;
            }
            if (e.type == SWT.MouseMove && (e.stateMask & SWT.BUTTON1) != 0) {
              Point p = shell.toDisplay(e.x, e.y);
              p.x -= startX;
              p.y -= startY;
              shell.setLocation(p);
            }
            if (e.type == SWT.Paint) {
              e.gc.drawImage(image, imageData.x, imageData.y);
            }
          }
        };
    shell.addListener(SWT.KeyDown, l);
    shell.addListener(SWT.MouseDown, l);
    shell.addListener(SWT.MouseMove, l);
    shell.addListener(SWT.Paint, l);

    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    region.dispose();
    image.dispose();
    display.dispose();
  }
  public static void main(String[] args) {
    final Display display = new Display();
    // Shell must be created with style SWT.NO_TRIM
    final Shell shell = new Shell(display, SWT.NO_TRIM | SWT.ON_TOP);
    shell.setBackground(display.getSystemColor(SWT.COLOR_RED));
    // define a region that looks like a key hole
    Region region = new Region();
    region.add(circle(67, 67, 67));
    region.subtract(circle(20, 67, 50));
    region.subtract(new int[] {67, 50, 55, 105, 79, 105});
    // define the shape of the shell using setRegion
    shell.setRegion(region);
    Rectangle size = region.getBounds();
    shell.setSize(size.width, size.height);
    // add ability to move shell around
    Listener l =
        new Listener() {
          /** The x/y of the MouseDown, relative to top-left of the shell. */
          Point origin;

          @Override
          public void handleEvent(Event e) {
            switch (e.type) {
              case SWT.MouseDown:
                Point point = shell.toDisplay(e.x, e.y);
                Point loc = shell.getLocation();
                origin = new Point(point.x - loc.x, point.y - loc.y);
                break;
              case SWT.MouseUp:
                origin = null;
                break;
              case SWT.MouseMove:
                if (origin != null) {
                  Point p = display.map(shell, null, e.x, e.y);
                  shell.setLocation(p.x - origin.x, p.y - origin.y);
                }
                break;
            }
          }
        };
    shell.addListener(SWT.MouseDown, l);
    shell.addListener(SWT.MouseUp, l);
    shell.addListener(SWT.MouseMove, l);
    // add ability to close shell
    Button b = new Button(shell, SWT.PUSH);
    b.setBackground(shell.getBackground());
    b.setText("close");
    b.pack();
    b.setLocation(10, 68);
    b.addListener(
        SWT.Selection,
        new Listener() {
          @Override
          public void handleEvent(Event e) {
            shell.close();
          }
        });
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    region.dispose();
    display.dispose();
  }