/*
 * Window definitions
 *
 * Copyright 1993 Alexandre Julliard
 */

#ifndef WIN_H
#define WIN_H

#include <X11/Xlib.h>

#include "ldt.h"
#include "class.h"

#define WND_MAGIC     0x444e4957  /* 'WIND' */

  /* Built-in class names (see _Undocumented_Windows_ p.418) */
#define POPUPMENU_CLASS_NAME "#32768"  /* PopupMenu */
#define DESKTOP_CLASS_NAME   "#32769"  /* Desktop */
#define DIALOG_CLASS_NAME    "#32770"  /* Dialog */
#define WINSWITCH_CLASS_NAME "#32771"  /* WinSwitch */
#define ICONTITLE_CLASS_NAME "#32772"  /* IconTitle */

#define POPUPMENU_CLASS_ATOM MAKEINTATOM(32768)  /* PopupMenu */
#define DESKTOP_CLASS_ATOM   MAKEINTATOM(32769)  /* Desktop */
#define DIALOG_CLASS_ATOM    MAKEINTATOM(32770)  /* Dialog */
#define WINSWITCH_CLASS_ATOM MAKEINTATOM(32771)  /* WinSwitch */
#define ICONTITLE_CLASS_ATOM MAKEINTATOM(32772)  /* IconTitle */

typedef struct tagWND
{
    struct tagWND *next;          /* Next sibling */
    struct tagWND *child;         /* First child */
    struct tagWND *parent;        /* Window parent (from CreateWindow) */
    struct tagWND *owner;         /* Window owner */
    CLASS         *class;         /* Window class */
    DWORD          dwMagic;       /* Magic number (must be WND_MAGIC) */
    HWND           hwndSelf;      /* Handle of this window */
    HANDLE         hInstance;     /* Window hInstance (from CreateWindow) */
    RECT           rectClient;    /* Client area rel. to parent client area */
    RECT           rectWindow;    /* Whole window rel. to parent client area */
    RECT           rectNormal;    /* Window rect. when in normal state */
    POINT          ptIconPos;     /* Icon position */
    POINT          ptMaxPos;      /* Maximized window position */
    HGLOBAL        hmemTaskQ;     /* Task queue global memory handle */
    HRGN           hrgnUpdate;    /* Update region */
    HWND           hwndLastActive;/* Last active popup hwnd */
    WNDPROC        lpfnWndProc;   /* Window procedure */
    DWORD          dwStyle;       /* Window style (from CreateWindow) */
    DWORD          dwExStyle;     /* Extended style (from CreateWindowEx) */
    HANDLE         hdce;          /* Window DCE (if CS_OWNDC or CS_CLASSDC) */
    HANDLE         hVScroll;      /* Vertical scroll-bar info */
    HANDLE         hHScroll;      /* Horizontal scroll-bar info */
    UINT           wIDmenu;       /* ID or hmenu (from CreateWindow) */
    HANDLE         hText;         /* Handle of window text */
    WORD           flags;         /* Misc. flags (see below) */
    Window         window;        /* X window (only for top-level windows) */
    HMENU          hSysMenu;      /* window's copy of System Menu */
    HANDLE         hProp;         /* Handle of Properties List */
    WORD           wExtra[1];     /* Window extra bytes */
} WND;

  /* WND flags values */
#define WIN_NEEDS_BEGINPAINT   0x0001 /* WM_PAINT sent to window */
#define WIN_NEEDS_ERASEBKGND   0x0002 /* WM_ERASEBKGND must be sent to window*/
#define WIN_NEEDS_NCPAINT      0x0004 /* WM_NCPAINT must be sent to window */
#define WIN_RESTORE_MAX        0x0008 /* Maximize when restoring */
#define WIN_INTERNAL_PAINT     0x0010 /* Internal WM_PAINT message pending */
#define WIN_NO_REDRAW          0x0020 /* WM_SETREDRAW called for this window */
#define WIN_GOT_SIZEMSG        0x0040 /* WM_SIZE has been sent to the window */
#define WIN_NCACTIVATED        0x0080 /* last WM_NCACTIVATE was positive */
#define WIN_MANAGED            0x0100 /* Window managed by the X wm */

  /* Window functions */
extern WND *WIN_FindWndPtr( HWND hwnd );
extern WND *WIN_GetDesktop(void);
extern void WIN_DumpWindow( HWND hwnd );
extern void WIN_WalkWindows( HWND hwnd, int indent );
extern Window WIN_GetXWindow( HWND hwnd );
extern BOOL WIN_UnlinkWindow( HWND hwnd );
extern BOOL WIN_LinkWindow( HWND hwnd, HWND hwndInsertAfter );
extern HWND WIN_FindWinToRepaint( HWND hwnd, HQUEUE hQueue );
extern void WIN_SendParentNotify( HWND hwnd, WORD event,
                                  WORD idChild, LONG lValue );
extern BOOL WIN_CreateDesktopWindow(void);
extern HWND WIN_GetTopParent( HWND hwnd );
extern HINSTANCE WIN_GetWindowInstance( HWND hwnd );

extern Display * display;
extern Screen * screen;
extern Window rootWindow;

#endif  /* WIN_H */