Ejemplo n.º 1
0
void MenuBar::updateLayout(void)
{
	//Determine the Max Preferred Height of my MenuItems
	Real32 MaxHeight(0);
	Real32 TotalWidth(0);
    for(UInt32 i(0) ; i<getMFChildren()->size() ; ++i)
    {
        if(MaxHeight < getChildren(i)->getPreferredSize().y())
        {
            MaxHeight = getChildren(i)->getPreferredSize().y();
	    }
	    TotalWidth += getChildren(i)->getPreferredSize().x();
	}

    //Set My preferred Size
	Pnt2f TopLeft, BottomRight;
	Pnt2f InsetsTopLeft, InsetsBottomRight;
	getBounds(TopLeft, BottomRight);
	getInsideInsetsBounds(InsetsTopLeft, InsetsBottomRight);

	Vec2f InsetSize( (BottomRight-TopLeft) - (InsetsBottomRight-InsetsTopLeft) );

    Vec2f NewSize( TotalWidth+InsetSize.x(), MaxHeight+InsetSize.y());
    if(getPreferredSize() != NewSize)
    {
        setPreferredSize(NewSize);
    }
    
	getInsideInsetsBounds(InsetsTopLeft, InsetsBottomRight);
	
	//Now position and size the Items
	Real32 LeftOffset(InsetsTopLeft.x());
    Vec2f Size;
    Pnt2f Pos;
    for(UInt32 i(0) ; i<getMFChildren()->size() ; ++i)
    {
        Size.setValues(getChildren(i)->getPreferredSize().x(), MaxHeight);
        if(getChildren(i)->getSize() != Size)
        {
            getChildren(i)->setSize(Size);
        }
        Pos.setValues(LeftOffset, InsetsTopLeft.y());
        if(getChildren(i)->getPosition() != Pos)
        {
            getChildren(i)->setPosition(Pos);
        }

        LeftOffset += getChildren(i)->getPreferredSize().x();
    }
}
Ejemplo n.º 2
0
static void 
GetDefaultPosition(
        Widget child,
        Widget parent,
        Position *xRtn,
        Position *yRtn )
{
    Display 	*disp;
    int 	max_w, max_h;
    Position 	x, y;

    x = HALFDIFF(XtWidth(parent), XtWidth(child));
    y = HALFDIFF(XtHeight(parent), XtHeight(child));
    
    /* 
     * find root co-ords of the parent's center
     */
    if (XtIsRealized (parent))
      XtTranslateCoords(parent, x, y, &x, &y);
    
    /*
     * try to keep the popup from dribbling off the display
     */
    disp = XtDisplay (child);
    max_w = DisplayWidth  (disp, DefaultScreen (disp));
    max_h = DisplayHeight (disp, DefaultScreen (disp));
    
    if ((x + (int)TotalWidth  (child)) > max_w) 
      x = max_w - TotalWidth  (child);
    if ((y + (int)TotalHeight (child)) > max_h) 
      y = max_h - TotalHeight (child);
    if (x < 0) x = 0;
    if (y < 0) y = 0;

    *xRtn = x;
    *yRtn = y;
}