#ifndef __TXTWND_HPP
#define __TXTWND_HPP

#include "misc.hpp"
#include "region.hpp"

struct Window;

//special "windows"
#define WND_TOP         ((Window*)1)
#define WND_BOTTOM      ((Window*)2)


//predefined styles
#define WS_VISIBLE      0x00010000L
#define WS_CLIPCHILDREN 0x00020000L
#define WS_CLIPSIBLINGS 0x00040000L
#define WS_DISABLED     0x00080000L


//ownerparent relationship
Window *WinQueryWindowOwner(const Window *wnd);
Bool WinSetWindowOwner(Window *wnd, Window *newOwner);
Window *WinQueryWindowParent(const Window *wnd);
Bool WinSetWindowParent(Window *wnd, Window *newParent);
Bool WinIsChild(const Window *parent, const Window *child);
Bool WinIsOwnee(const Window *owner, const Window *ownee);


//window enumeration
struct ChildEnum;
ChildEnum *WinBeginEnum(const Window *parent);
Window *WinQueryNextWindow(ChildEnum *ce);
void WinEndEnum(ChildEnum *ce);


//enable/disable/style
Bool WinIsWindowVisible(const Window *wnd);
Bool WinIsWindowEnabled(const Window *wnd);
uint32 WinQueryWindowStyle(const Window *wnd);
Bool WinSetWindowStyle(Window *wnd, uint32 s);
Bool WinSetWindowStyleBits(Window *wnd, uint32 bits, uint32 mask);

typedef void (*SetStyleHook_f)(const Window*, uint32 oldStyle, uint32 newStyle);
SetStyleHook_f WinSetSetStyleHook(SetStyleHook_f pfn);


//window ID
uint16 WinQueryWindowID(const Window *wnd);
Bool WinSetWindowID(Window *wnd, uint16 ID);
Window *WinWindowFromID(const Window *wnd, uint16 ID);


//user data
uint32 WinQueryWindowUserData(const Window *wnd);
Bool WinSetWindowUserData(Window *wnd, uint32 ud);


#define SWP_MOVE        0x0001
#define SWP_SIZE        0x0002
#define SWP_HIDE        0x0004
#define SWP_SHOW        0x0008
#define SWP_ZORDER      0x0010

struct SWP {
        int flags;
        int cx,cy;
        int x,y;
        Window *behind;
        Window *wnd;
};

Bool WinSetWindowPos(Window *wnd,
                     Window *behind,
                     int x, int y,
                     int cx, int cy,
                     int flags);
Bool WinQueryWindowRect(const Window *wnd, FRect *prect);
Bool WinMapWindowPoints(const Window *from, const Window *to, FPoint *p, int points);
Bool WinMapWindowRects(const Window *from, const Window *to, FRect *r, int rects);
Window *WinWindowFromPoint(const Window *topWindow, const FPoint *p);
typedef void (*SWPHook_f)(const SWP *swp);
SWPHook_f WinSetSWPHook(SWPHook_f pfn);

Bool WinInvalidateRect(Window *wnd, const FRect *rect, Bool includeChildren);
Bool WinValidateRect(Window *wnd, const FRect *rect, Bool includeChildren);
Bool WinEnableWindowUpdate(Window *wnd, Bool visible);
Bool WinQueryWindowUpdateRegion(Window *wnd, Region *r);
Bool WinQueryWindowUpdateRect(Window *wnd, FRect *r);
Bool WinQueryWindowClipRegion(Window *wnd, Region *r);
Window *WinQueryInvalidWindow();

Window *WinCreateWindow(Window *parent,
                        int x, int y,
                        int cx, int cy,
                        Window *behind,
                        Window *owner,
                        uint32 style,
                        uint16 id,
                        uint32 userData
                       );
Bool WinDestroyWindow(Window *wnd);
Bool WinIsWindow(const Window *wnd);

typedef void (*DestroyHook_f)(const Window*);
DestroyHook_f WinSetPreDestroyHook(DestroyHook_f pfn);
DestroyHook_f WinSetPostDestroyHook(DestroyHook_f pfn);



#endif