/*
Open Tracker License

Terms and Conditions

Copyright (c) 1991-2000, Be Incorporated. All rights reserved.

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 applies to all licensees
and 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 TITLE, MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
BE INCORPORATED 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.

Except as contained in this notice, the name of Be Incorporated shall not be
used in advertising or otherwise to promote the sale, use or other dealings in
this Software without prior written authorization from Be Incorporated.

Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered
trademarks of Be Incorporated in the United States and other countries. Other
brand product names are registered trademarks or trademarks of their respective
holders.
All rights reserved.
*/
#ifndef EXPANDO_MENU_BAR_H
#define EXPANDO_MENU_BAR_H


// application list
// top level at window
// in expanded mode horizontal and vertical


#include <MenuBar.h>
#include <Locker.h>


const float kSepItemWidth = 5.0f;


enum drag_and_drop_selection {
        kNoSelection,
        kDeskbarMenuSelection,
        kAppMenuSelection,
        kAnyMenuSelection
};


class BBitmap;
class TBarView;
class TBarMenuTitle;
class TTeamMenuItem;


class TExpandoMenuBar : public BMenuBar {
public:
                                                        TExpandoMenuBar(menu_layout layout,
                                                                TBarView* barView = NULL);

        virtual void                    AllAttached();
        virtual void                    AttachedToWindow();
        virtual void                    DetachedFromWindow();

        virtual void                    Draw(BRect update);
        virtual void                    DrawBackground(BRect update);

        virtual void                    MessageReceived(BMessage* message);

        virtual void                    MouseDown(BPoint where);
        virtual void                    MouseMoved(BPoint where, uint32 code,
                                                                const BMessage* message);
        virtual void                    MouseUp(BPoint where);

                        void                    BuildItems();

                        BMenuItem*              ItemAtPoint(BPoint point);
                        TTeamMenuItem*  TeamItemAtPoint(BPoint location,
                                                                BMenuItem** _item = NULL);
                        bool                    InDeskbarMenu(BPoint) const;

                        void                    CheckItemSizes(int32 delta, bool reset = false);

                        float                   MinHorizontalItemWidth();
                        float                   MaxHorizontalItemWidth();

                        menu_layout             MenuLayout() const;
                        void                    SetMenuLayout(menu_layout layout);

                        void                    SizeWindow(int32 delta);
                        bool                    CheckForSizeOverrun();

                        void                    StartMonitoringWindows();
                        void                    StopMonitoringWindows();

private:
        static  int                             CompareByName(const void* first,
                                                                const void* second);
        static  int32                   monitor_team_windows(void* arg);

                        void                    AddTeam(BList* team, BBitmap* icon, char* name,
                                                                char* signature);
                        void                    AddTeam(team_id team, const char* signature);
                        void                    RemoveTeam(team_id team, bool partial);

                        void                    _FinishedDrag(bool invoke = false);

                        bool                    CheckForSizeOverrunVertical();
                        bool                    CheckForSizeOverrunHorizontal();

                        float                   MaxHorizontalWidth();

                        bool                    Vertical() const
                                                                { return MenuLayout() == B_ITEMS_IN_COLUMN; };
private:
                        TBarView*               fBarView;
                        bool                    fOverflow : 1;
                        bool                    fUnderflow : 1;
                        bool                    fFirstBuild : 1;

                        TTeamMenuItem*  fPreviousDragTargetItem;
                        BMenuItem*              fLastMousedOverItem;
                        BMenuItem*              fLastClickedItem;
                        bigtime_t               fLastClickTime;
                        BList                   fTeamList;

        static  bool                    sDoMonitor;
        static  thread_id               sMonThread;
        static  BLocker                 sMonLocker;
};


#endif // EXPANDO_MENU_BAR_H