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; } }
void resizeRectangles(int xChange, int yChange) { if (bounds == null) return; /* * 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)) { cursorOrientation |= SWT.LEFT; } if (xChange > 0 && ((style & SWT.RIGHT) != 0) && ((cursorOrientation & SWT.LEFT) == 0)) { cursorOrientation |= SWT.RIGHT; } if (yChange < 0 && ((style & SWT.UP) != 0) && ((cursorOrientation & SWT.DOWN) == 0)) { cursorOrientation |= SWT.UP; } if (yChange > 0 && ((style & SWT.DOWN) != 0) && ((cursorOrientation & SWT.UP) == 0)) { cursorOrientation |= SWT.DOWN; } /* * 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; 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; 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; 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; 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; }