PWindow.h

//==============================================================================
// File:        PWindow.h
//
// Copyright (c) 2017, Phil Harvey, Queen's University
//==============================================================================
#ifndef __PWindow_h__
#define __PWindow_h__

#include <Xm/Xm.h>

#if defined(LESSTIF) || defined(ANTI_ALIAS)
#define RADIO_OFFSET    0
#else
#define RADIO_OFFSET    2
#endif


class PMenu;
class PMenuHandler;
struct MenuStruct;
struct ImageData;
struct SWindowData;
struct SWindowGeometry;


class PWindow {
public:
    PWindow(ImageData *data,Widget shell=0,Widget mainPane=0);
    virtual ~PWindow();
    
    virtual void    Update();
    virtual void    UpdateSelf()            { }

    virtual void    Show();
    virtual char *  Class()                 { return sWindowClass;  }
    
    virtual void    SetShell(Widget w);
    virtual void    SetTitle(char *str=NULL);
    
    void            Raise();
    char *          GetTitle();
    void            GetFullName(char *buff);
    void            Resize(int width, int height);
    void            ResizeToFit(Widget w);
    void            SaveWindowData();
    void            SetMainWindow();
    void            SetDirty(int flag=0x01);
    int             IsDirty()               { return mDirty;        }
    int             IsVisible()             { return mVisible;      }
    int             WasResized()            { return mWasResized;   }
    Widget          GetShell()              { return mShell;        }
    void            SetMainPane(Widget w)   { mMainPane = w;        }
    Widget          GetMainPane()           { return mMainPane;     }
    ImageData     * GetData()               { return mData;         }
    
    void            CreateMenu(Widget menu, MenuStruct *menuList, int nItems, PMenuHandler *handler);
    PMenu         * GetMenu()               { return mMenu;         }
    int             SelectMenuItem(int id);
    void            SetMenuItemText(int id, char *str);
    void            GetWindowGeometry(SWindowGeometry *geo);
    void            CheckWindowOffset(int border_width);
    
    static void     HandleUpdates();
    static Widget   CreateShell(char *name,Widget parent,Arg *wargs=NULL,int n=0);
    
    // public variables
    PWindow       * mNextMainWindow;
    
    static PWindow* sMainWindow;
    static char   * sWindowClass;

protected:
    ImageData     * mData;
    PMenu         * mMenu;

    static int      sWindowDirty;
    
private:
    static void     DestroyWindProc(Widget w, PWindow *aWind, caddr_t call_data);
    
    Widget          mShell;         // window shell widget
    Widget          mMainPane;      // main form or rowcolumn widget
    Widget          mResizeWidget;  // widget to resize to when shown
    int             mWasResized;    // non-zero if window was resized
    int             mDirty;         // flag indicating the window needs redrawing
    int             mVisible;       // flag indicates window is visible
    
    static int      sOffsetDone;    // true if window position resource offset was set
};

#endif // __Window_h__