예제 #1
0
 void moveRectangles(int xChange, int yChange) {
   if (bounds == null) return;
   if (xChange < 0 && ((style & SWT.LEFT) == 0)) xChange = 0;
   if (xChange > 0 && ((style & SWT.RIGHT) == 0)) xChange = 0;
   if (yChange < 0 && ((style & SWT.UP) == 0)) yChange = 0;
   if (yChange > 0 && ((style & SWT.DOWN) == 0)) yChange = 0;
   if (xChange == 0 && yChange == 0) return;
   bounds.x += xChange;
   bounds.y += yChange;
   for (int i = 0; i < rectangles.length; i++) {
     rectangles[i].x += xChange;
     rectangles[i].y += yChange;
   }
 }
예제 #2
0
  /*
   * Returns true if the pointer's orientation was initialized in some dimension,
   * and false otherwise.
   */
  boolean resizeRectangles(int xChange, int yChange) {
    if (bounds == null) return false;
    boolean orientationInit = false;
    /*
     * If the cursor orientation has not been set in the orientation of
     * this change then try to set it here.
     */
    if (xChange < 0 && ((style & SWT.LEFT) != 0) && ((cursorOrientation & SWT.RIGHT) == 0)) {
      if ((cursorOrientation & SWT.LEFT) == 0) {
        cursorOrientation |= SWT.LEFT;
        orientationInit = true;
      }
    }
    if (xChange > 0 && ((style & SWT.RIGHT) != 0) && ((cursorOrientation & SWT.LEFT) == 0)) {
      if ((cursorOrientation & SWT.RIGHT) == 0) {
        cursorOrientation |= SWT.RIGHT;
        orientationInit = true;
      }
    }
    if (yChange < 0 && ((style & SWT.UP) != 0) && ((cursorOrientation & SWT.DOWN) == 0)) {
      if ((cursorOrientation & SWT.UP) == 0) {
        cursorOrientation |= SWT.UP;
        orientationInit = true;
      }
    }
    if (yChange > 0 && ((style & SWT.DOWN) != 0) && ((cursorOrientation & SWT.UP) == 0)) {
      if ((cursorOrientation & SWT.DOWN) == 0) {
        cursorOrientation |= SWT.DOWN;
        orientationInit = true;
      }
    }

    /*
     * If the bounds will flip about the x or y axis then apply the adjustment
     * up to the axis (ie.- where bounds width/height becomes 0), change the
     * cursor's orientation accordingly, and flip each Rectangle's origin (only
     * necessary for > 1 Rectangles)
     */
    if ((cursorOrientation & SWT.LEFT) != 0) {
      if (xChange > bounds.width) {
        if ((style & SWT.RIGHT) == 0) return orientationInit;
        cursorOrientation |= SWT.RIGHT;
        cursorOrientation &= ~SWT.LEFT;
        bounds.x += bounds.width;
        xChange -= bounds.width;
        bounds.width = 0;
        if (proportions.length > 1) {
          for (int i = 0; i < proportions.length; i++) {
            Rectangle proportion = proportions[i];
            proportion.x = 100 - proportion.x - proportion.width;
          }
        }
      }
    } else if ((cursorOrientation & SWT.RIGHT) != 0) {
      if (bounds.width < -xChange) {
        if ((style & SWT.LEFT) == 0) return orientationInit;
        cursorOrientation |= SWT.LEFT;
        cursorOrientation &= ~SWT.RIGHT;
        xChange += bounds.width;
        bounds.width = 0;
        if (proportions.length > 1) {
          for (int i = 0; i < proportions.length; i++) {
            Rectangle proportion = proportions[i];
            proportion.x = 100 - proportion.x - proportion.width;
          }
        }
      }
    }
    if ((cursorOrientation & SWT.UP) != 0) {
      if (yChange > bounds.height) {
        if ((style & SWT.DOWN) == 0) return orientationInit;
        cursorOrientation |= SWT.DOWN;
        cursorOrientation &= ~SWT.UP;
        bounds.y += bounds.height;
        yChange -= bounds.height;
        bounds.height = 0;
        if (proportions.length > 1) {
          for (int i = 0; i < proportions.length; i++) {
            Rectangle proportion = proportions[i];
            proportion.y = 100 - proportion.y - proportion.height;
          }
        }
      }
    } else if ((cursorOrientation & SWT.DOWN) != 0) {
      if (bounds.height < -yChange) {
        if ((style & SWT.UP) == 0) return orientationInit;
        cursorOrientation |= SWT.UP;
        cursorOrientation &= ~SWT.DOWN;
        yChange += bounds.height;
        bounds.height = 0;
        if (proportions.length > 1) {
          for (int i = 0; i < proportions.length; i++) {
            Rectangle proportion = proportions[i];
            proportion.y = 100 - proportion.y - proportion.height;
          }
        }
      }
    }

    // apply the bounds adjustment
    if ((cursorOrientation & SWT.LEFT) != 0) {
      bounds.x += xChange;
      bounds.width -= xChange;
    } else if ((cursorOrientation & SWT.RIGHT) != 0) {
      bounds.width += xChange;
    }
    if ((cursorOrientation & SWT.UP) != 0) {
      bounds.y += yChange;
      bounds.height -= yChange;
    } else if ((cursorOrientation & SWT.DOWN) != 0) {
      bounds.height += yChange;
    }

    Rectangle[] newRects = new Rectangle[rectangles.length];
    for (int i = 0; i < rectangles.length; i++) {
      Rectangle proportion = proportions[i];
      newRects[i] =
          new Rectangle(
              proportion.x * bounds.width / 100 + bounds.x,
              proportion.y * bounds.height / 100 + bounds.y,
              proportion.width * bounds.width / 100,
              proportion.height * bounds.height / 100);
    }
    rectangles = newRects;
    return orientationInit;
  }