示例#1
0
 void releaseImages() {
   TBBUTTONINFO info = new TBBUTTONINFO();
   info.cbSize = TBBUTTONINFO.sizeof;
   info.dwMask = OS.TBIF_IMAGE | OS.TBIF_STYLE;
   long /*int*/ hwnd = parent.handle;
   OS.SendMessage(hwnd, OS.TB_GETBUTTONINFO, id, info);
   /*
    * Feature in Windows.  For some reason, a tool item that has
    * the style BTNS_SEP does not return I_IMAGENONE when queried
    * for an image index, despite the fact that no attempt has been
    * made to assign an image to the item.  As a result, operations
    * on an image list that use the wrong index cause random results.
    * The fix is to ensure that the tool item is not a separator
    * before using the image index.  Since separators cannot have
    * an image and one is never assigned, this is not a problem.
    */
   if ((info.fsStyle & OS.BTNS_SEP) == 0 && info.iImage != OS.I_IMAGENONE) {
     ImageList imageList = parent.getImageList();
     ImageList hotImageList = parent.getHotImageList();
     ImageList disabledImageList = parent.getDisabledImageList();
     if (imageList != null) imageList.put(info.iImage, null);
     if (hotImageList != null) hotImageList.put(info.iImage, null);
     if (disabledImageList != null) disabledImageList.put(info.iImage, null);
   }
 }
示例#2
0
  void updateImages(boolean enabled) {
    if ((style & SWT.SEPARATOR) != 0) return;
    long /*int*/ hwnd = parent.handle;
    TBBUTTONINFO info = new TBBUTTONINFO();
    info.cbSize = TBBUTTONINFO.sizeof;
    info.dwMask = OS.TBIF_IMAGE;
    OS.SendMessage(hwnd, OS.TB_GETBUTTONINFO, id, info);
    if (info.iImage == OS.I_IMAGENONE && image == null) return;
    ImageList imageList = parent.getImageList();
    ImageList hotImageList = parent.getHotImageList();
    ImageList disabledImageList = parent.getDisabledImageList();
    if (info.iImage == OS.I_IMAGENONE) {
      Rectangle bounds = image.getBounds();
      int listStyle = parent.style & SWT.RIGHT_TO_LEFT;
      if (imageList == null) {
        imageList = display.getImageListToolBar(listStyle, bounds.width, bounds.height);
      }
      if (disabledImageList == null) {
        disabledImageList =
            display.getImageListToolBarDisabled(listStyle, bounds.width, bounds.height);
      }
      if (hotImageList == null) {
        hotImageList = display.getImageListToolBarHot(listStyle, bounds.width, bounds.height);
      }
      Image disabled = disabledImage;
      if (disabledImage == null) {
        if (disabledImage2 != null) disabledImage2.dispose();
        disabledImage2 = null;
        disabled = image;
        if (!enabled) {
          disabled = disabledImage2 = new Image(display, image, SWT.IMAGE_DISABLE);
        }
      }
      /*
       * Bug in Windows.  When a tool item with the style
       * BTNS_CHECK or BTNS_CHECKGROUP is selected and then
       * disabled, the item does not draw using the disabled
       * image.  The fix is to assign the disabled image in
       * all image lists.
       */
      Image image2 = image, hot = hotImage;
      if ((style & (SWT.CHECK | SWT.RADIO)) != 0) {
        if (!enabled) image2 = hot = disabled;
      }
      info.iImage = imageList.add(image2);
      disabledImageList.add(disabled);
      hotImageList.add(hot != null ? hot : image2);
      parent.setImageList(imageList);
      parent.setDisabledImageList(disabledImageList);
      parent.setHotImageList(hotImageList);
    } else {
      Image disabled = null;
      if (disabledImageList != null) {
        if (image != null) {
          if (disabledImage2 != null) disabledImage2.dispose();
          disabledImage2 = null;
          disabled = disabledImage;
          if (disabledImage == null) {
            disabled = image;
            if (!enabled) {
              disabled = disabledImage2 = new Image(display, image, SWT.IMAGE_DISABLE);
            }
          }
        }
        disabledImageList.put(info.iImage, disabled);
      }
      /*
       * Bug in Windows.  When a tool item with the style
       * BTNS_CHECK or BTNS_CHECKGROUP is selected and then
       * disabled, the item does not draw using the disabled
       * image.  The fix is to use the disabled image in all
       * image lists.
       */
      Image image2 = image, hot = hotImage;
      if ((style & (SWT.CHECK | SWT.RADIO)) != 0) {
        if (!enabled) image2 = hot = disabled;
      }
      if (imageList != null) imageList.put(info.iImage, image2);
      if (hotImageList != null) {
        hotImageList.put(info.iImage, hot != null ? hot : image2);
      }
      if (image == null) info.iImage = OS.I_IMAGENONE;
    }

    /*
     * Bug in Windows.  If the width of an item has already been
     * calculated, the tool bar control will not recalculate it to
     * include the space for the image.  The fix is to set the width
     * to zero, forcing the control recalculate the width for the item.
     */
    info.dwMask |= OS.TBIF_SIZE;
    info.cx = 0;
    OS.SendMessage(hwnd, OS.TB_SETBUTTONINFO, id, info);
    long /*int*/ hFont = OS.SendMessage(hwnd, OS.WM_GETFONT, 0, 0);
    OS.SendMessage(hwnd, OS.WM_SETFONT, hFont, 0);
    parent.layoutItems();
  }