/**
* Sets the width of the receiver, for <code>SEPARATOR</code> ToolItems.
*
* @param width the new width. If the new value is <code>SWT.DEFAULT</code>, the width is a
* fixed-width area whose amount is determined by the platform. If the new value is 0 a
* vertical or horizontal line will be drawn, depending on the setting of the corresponding
* style bit (<code>SWT.VERTICAL</code> or <code>SWT.HORIZONTAL</code>). If the new value is
* <code>SWT.SEPARATOR_FILL</code> a variable-width space is inserted that acts as a spring
* between the two adjoining items which will push them out to the extent of the containing
* ToolBar.
* @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 setWidth(int width) {
checkWidget();
if ((style & SWT.SEPARATOR) == 0) return;
if (width < 0) return;
long /*int*/ hwnd = parent.handle;
TBBUTTONINFO info = new TBBUTTONINFO();
info.cbSize = TBBUTTONINFO.sizeof;
info.dwMask = OS.TBIF_SIZE;
info.cx = cx = (short) width;
OS.SendMessage(hwnd, OS.TB_SETBUTTONINFO, id, info);
parent.layoutItems();
}
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();
}