public void setImage(Image image) { checkWidget(); if ((style & SWT.SEPARATOR) != 0) return; super.setImage(image); if (image != null) { ImageList imageList = parent.imageList; if (imageList == null) imageList = parent.imageList = new ImageList(); int imageIndex = imageList.indexOf(image); if (imageIndex == -1) { imageIndex = imageList.add(image); } else { imageList.put(imageIndex, image); } long /*int*/ pixbuf = imageList.getPixbuf(imageIndex); OS.gtk_image_set_from_pixbuf(imageHandle, pixbuf); } else { OS.gtk_image_set_from_pixbuf(imageHandle, 0); } /* * If Text/Image of a tool-item changes, then it is * required to reset the proxy menu. Otherwise, the * old menuItem appears in the overflow menu. */ if ((style & SWT.DROP_DOWN) != 0) { proxyMenuItem = 0; proxyMenuItem = OS.gtk_tool_item_retrieve_proxy_menu_item(handle); OS.g_signal_connect( proxyMenuItem, OS.activate, ToolBar.menuItemSelectedFunc.getAddress(), handle); } parent.relayout(); }
/** * Sets the receiver's hot image to the argument, which may be null indicating that no hot image * should be displayed. * * <p>The hot image is displayed when the mouse enters the receiver. * * @param image the hot image to display on the receiver (may be null) * @exception IllegalArgumentException * <ul> * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed * </ul> * * @exception SWTException * <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver * </ul> */ public void setHotImage(Image image) { checkWidget(); if ((style & SWT.SEPARATOR) != 0) return; hotImage = image; if (image != null) { ImageList imageList = parent.imageList; if (imageList == null) imageList = parent.imageList = new ImageList(); int imageIndex = imageList.indexOf(image); if (imageIndex == -1) { imageIndex = imageList.add(image); } else { imageList.put(imageIndex, image); } } }