void selectRadio() {
int index = 0;
MenuItem[] items = parent.getItems();
while (index < items.length && items[index] != this) index++;
int i = index - 1;
while (i >= 0 && items[i].setRadioSelection(false)) --i;
int j = index + 1;
while (j < items.length && items[j].setRadioSelection(false)) j++;
setSelection(true);
}
LRESULT wmMeasureChild(long /*int*/ wParam, long /*int*/ lParam) {
MEASUREITEMSTRUCT struct = new MEASUREITEMSTRUCT();
OS.MoveMemory(struct, lParam, MEASUREITEMSTRUCT.sizeof);
int width = 0, height = 0;
if (image != null) {
Rectangle rect = image.getBounds();
width = rect.width;
height = rect.height;
} else {
/*
* Bug in Windows. If a menu contains items that have
* images and can be checked, Windows does not include
* the width of the image and the width of the check when
* computing the width of the menu. When the longest item
* does not have an image, the label and the accelerator
* text can overlap. The fix is to use SetMenuItemInfo()
* to indicate that all items have a bitmap and then include
* the width of the widest bitmap in WM_MEASURECHILD.
*/
MENUINFO lpcmi = new MENUINFO();
lpcmi.cbSize = MENUINFO.sizeof;
lpcmi.fMask = OS.MIM_STYLE;
long /*int*/ hMenu = parent.handle;
OS.GetMenuInfo(hMenu, lpcmi);
if ((lpcmi.dwStyle & OS.MNS_CHECKORBMP) == 0) {
MenuItem[] items = parent.getItems();
for (int i = 0; i < items.length; i++) {
MenuItem item = items[i];
if (item.image != null) {
Rectangle rect = item.image.getBounds();
width = Math.max(width, rect.width);
}
}
}
}
if (width != 0 || height != 0) {
struct.itemWidth = width + MARGIN_WIDTH * 2;
struct.itemHeight = height + MARGIN_HEIGHT * 2;
OS.MoveMemory(lParam, struct, MEASUREITEMSTRUCT.sizeof);
}
return null;
}