falmenuitem.cpp

cegui界面库

/***********************************************************************
    filename:   FalMenuItem.cpp
    created:    Fri Jul 8 2005
    author:     Paul D Turner <[e-mail]>
*************************************************************************/
/***************************************************************************
 *   Copyright (C) 2004 - 2006 Paul D Turner & The CEGUI Development Team
 *
 *   Permission is hereby granted, free of charge, to any person obtaining
 *   a copy of this software and associated documentation files (the
 *   "Software"), to deal in the Software without restriction, including
 *   without limitation the rights to use, copy, modify, merge, publish,
 *   distribute, sublicense, and/or sell copies of the Software, and to
 *   permit persons to whom the Software is furnished to do so, subject to
 *   the following conditions:
 *
 *   The above copyright notice and this permission notice shall be
 *   included in all copies or substantial portions of the Software.
 *
 *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 *   IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 *   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 *   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *   OTHER DEALINGS IN THE SOFTWARE.
 ***************************************************************************/
#include "FalMenuItem.h"
#include "falagard/CEGUIFalWidgetLookManager.h"
#include "falagard/CEGUIFalWidgetLookFeel.h"
#include "elements/CEGUIMenuItem.h"

// Start of CEGUI namespace section
namespace CEGUI
{
    const utf8 FalagardMenuItem::TypeName[] = "Falagard/MenuItem";

    FalagardMenuItem::FalagardMenuItem(const String& type) :
        ItemEntryWindowRenderer(type)
    {
    }

    Size FalagardMenuItem::getItemPixelSize() const
    {
        MenuItem* w = (MenuItem*)d_window;
        Window* parent = w->getParent();
		bool not_menubar = (!parent) ? true : !parent->testClassName("Menubar");
		const WidgetLookFeel& wlf = getLookNFeel();
		const NamedArea* area;
		if (w->getPopupMenu() && not_menubar && wlf.isNamedAreaDefined("HasPopupContentSize"))
		{
		    area = &wlf.getNamedArea("HasPopupContentSize");
		}
		else
		{
		    area = &wlf.getNamedArea("ContentSize");
		}
        return area->getArea().getPixelRect(*w).getSize();
    }

    void FalagardMenuItem::render()
    {
        MenuItem* w = (MenuItem*)d_window;
        // build name of state we're in
        String stateName(w->isDisabled() ? "Disabled" : "Enabled");

        String suffix;
        if (w->isOpened())
            suffix = "PopupOpen";
        else if (w->isPushed())
            suffix = w->isHovering() ? "Pushed" : "PushedOff";
        else if (w->isHovering())
            suffix = "Hover";
        else
            suffix = "Normal";

        const StateImagery* imagery;
        // get WidgetLookFeel for the assigned look.
        const WidgetLookFeel& wlf = getLookNFeel();
        
        // try and get imagery for our current state
        if (wlf.isStateImageryPresent(stateName+suffix))
        {
            imagery = &wlf.getStateImagery(stateName+suffix);
        }
        else
        {
            imagery = &wlf.getStateImagery(stateName+"Normal");
        }
        
        // peform the rendering operation.
        imagery->render(*w);

		// only draw popup-open/closed-icon if we have a popup menu, and parent is not a menubar
		Window* parent_window = w->getParent();
		bool not_menubar = (!parent_window) ? true : !parent_window->testClassName("Menubar");
        if (w->getPopupMenu() && not_menubar)
        {
            // get imagery for popup open/closed state
            imagery = &wlf.getStateImagery(w->isOpened() ? "PopupOpenIcon" : "PopupClosedIcon");
            // peform the rendering operation.
            imagery->render(*w);
        }
    }

}