#ifndef INTUITION_SCREENS_H
#define INTUITION_SCREENS_H

/*
    Copyright  1995-2001, The AROS Development Team. All rights reserved.
    $Id$

    Desc: Screen handling structures
    Lang: english
*/

#ifndef EXEC_TYPES_H
#   include <exec/types.h>
#endif
#ifndef GRAPHICS_CLIP_H
#   include <graphics/clip.h>
#endif
#ifndef GRAPHICS_GFX_H
#   include <graphics/gfx.h>
#endif
#ifndef GRAPHICS_LAYERS_H
#   include <graphics/layers.h>
#endif
#ifndef GRAPHICS_RASTPORT_H
#   include <graphics/rastport.h>
#endif
#ifndef GRAPHICS_VIEW_H
#   include <graphics/view.h>
#endif
#ifndef UTILITY_TAGITEM_H
#   include <utility/tagitem.h>
#endif

struct Screen
{
    struct Screen * NextScreen;
    struct Window * FirstWindow;

    WORD LeftEdge;
    WORD TopEdge;
    WORD Width;
    WORD Height;

    WORD MouseX;
    WORD MouseY;

    UWORD   Flags;
    UBYTE * Title;
    UBYTE * DefaultTitle;

    BYTE BarHeight;
    BYTE BarVBorder;
    BYTE BarHBorder;
    BYTE MenuVBorder;
    BYTE MenuHBorder;
    BYTE WBorTop;
    BYTE WBorLeft;
    BYTE WBorRight;
    BYTE WBorBottom;

    struct TextAttr * Font;

    struct ViewPort   ViewPort;
    struct RastPort   RastPort;
    struct BitMap     BitMap;    /* OBSOLETE */
    struct Layer_Info LayerInfo;

    struct Gadget * FirstGadget;

    UBYTE DetailPen;
    UBYTE BlockPen;

    UWORD          SaveColor0;
    struct Layer * BarLayer;
    UBYTE        * ExtData;
    UBYTE        * UserData;
};

struct NewScreen
{
    WORD LeftEdge;
    WORD TopEdge;
    WORD Width;
    WORD Height;

    WORD  Depth;
    UBYTE DetailPen;
    UBYTE BlockPen;

    UWORD ViewModes;
    UWORD Type;      /* see below */

    struct TextAttr * Font;
    UBYTE           * DefaultTitle;
    struct Gadget   * Gadgets;
    struct BitMap   * CustomBitMap;
};

struct ExtNewScreen
{
    WORD LeftEdge;
    WORD TopEdge;
    WORD Width;
    WORD Height;

    WORD  Depth;
    UBYTE DetailPen;
    UBYTE BlockPen;

    UWORD ViewModes;
    UWORD Type;      /* see below */

    struct TextAttr * Font;
    UBYTE           * DefaultTitle;
    struct Gadget   * Gadgets;
    struct BitMap   * CustomBitMap;

/* ExtNewScreen specific extension */
    struct TagItem * Extension; /* see below */
};

/* Screen->Flags and (Ext)NewScreen->Type*/
#define WBENCHSCREEN (1<<0)
#define PUBLICSCREEN (1<<1)
#define CUSTOMSCREEN 0x000F
#define SCREENTYPE   0x000F
/* Screen->Flags */
#define SHOWTITLE    (1<<4)
#define BEEPING      (1<<5)
#define CUSTOMBITMAP (1<<6)
#define SCREENBEHIND (1<<7)
#define SCREENQUIET  (1<<8)
#define SCREENHIRES  (1<<9)
#define PENSHARED    (1<<10)
#define NS_EXTENDED  (1<<12)
#define AUTOSCROLL   (1<<14)

/* Height */
#define STDSCREENHEIGHT -1
/* Width */
#define STDSCREENWIDTH  -1

/* ExtNewScreen->Extension (Tags) */
#define SA_Dummy     (TAG_USER + 32)
#define SA_Left      (SA_Dummy + 1)
#define SA_Top       (SA_Dummy + 2)
#define SA_Width     (SA_Dummy + 3)
#define SA_Height    (SA_Dummy + 4)
#define SA_Depth     (SA_Dummy + 5)
#define SA_DetailPen (SA_Dummy + 6)
#define SA_BlockPen  (SA_Dummy + 7)
#define SA_Title     (SA_Dummy + 8)
#define SA_Colors    (SA_Dummy + 9)
#define SA_ErrorCode (SA_Dummy + 10)
#define SA_Font      (SA_Dummy + 11)
#define SA_SysFont   (SA_Dummy + 12)
#define SA_Type      (SA_Dummy + 13)
#define SA_BitMap    (SA_Dummy + 14)
#define SA_PubName   (SA_Dummy + 15)
#define SA_PubSig    (SA_Dummy + 16)
#define SA_PubTask   (SA_Dummy + 17)
#define SA_DisplayID (SA_Dummy + 18)
#define SA_DClip     (SA_Dummy + 19)
#define SA_Overscan  (SA_Dummy + 20) /* see below */

#define SA_ShowTitle       (SA_Dummy + 22)
#define SA_Behind          (SA_Dummy + 23)
#define SA_Quiet           (SA_Dummy + 24)
#define SA_AutoScroll      (SA_Dummy + 25)
#define SA_Pens            (SA_Dummy + 26)
#define SA_FullPalette     (SA_Dummy + 27)
#define SA_ColorMapEntries (SA_Dummy + 28)
#define SA_Parent          (SA_Dummy + 29)
#define SA_Draggable       (SA_Dummy + 30)
#define SA_Exclusive       (SA_Dummy + 31)
#define SA_SharePens       (SA_Dummy + 32)
#define SA_BackFill        (SA_Dummy + 33)
#define SA_Interleaved     (SA_Dummy + 34)
#define SA_Colors32        (SA_Dummy + 35)
#define SA_VideoControl    (SA_Dummy + 36)
#define SA_FrontChild      (SA_Dummy + 37)
#define SA_BackChild       (SA_Dummy + 38)
#define SA_LikeWorkbench   (SA_Dummy + 39)
#define SA_MinimizeISG     (SA_Dummy + 41)
#define SA_ID              (SA_Dummy + 42)

/* SA_Overscan */
#define OSCAN_TEXT     1
#define OSCAN_STANDARD 2
#define OSCAN_MAX      3
#define OSCAN_VIDEO    4

                            /* Public Screens */

struct PubScreenNode
{
    struct Node psn_Node;

    struct Screen * psn_Screen;
    UWORD           psn_Flags;        /* see below */
    WORD            psn_Size;
    WORD            psn_VisitorCount;
    struct Task   * psn_SigTask;
    UBYTE           psn_SigBit;
};

/* psn_Flags */
#define PSNF_PRIVATE (1<<0)

/* Maximum length of public screen names. The buffers containing these strings
   must have a length of MAXPUBSCREENNAME+1. */   
#define MAXPUBSCREENNAME 139

#define SHANGHAI     (1<<0)
#define POPPUBSCREEN (1<<1)

                         /* Screen functions */

/* AllocScreenBuffer() */
#define SB_SCREEN_BITMAP 1
#define SB_COPY_BITMAP   2

struct ScreenBuffer
{
    struct BitMap   * sb_BitMap;
    struct DBufInfo * sb_DBufInfo;
};

/* ScreenDepth() */
#define SDEPTH_TOFRONT  0
#define SDEPTH_TOBACK   1
#define SDEPTH_INFAMILY 2

/* ScreenPosition() */
#define SPOS_RELATIVE    0x00
#define SPOS_ABSOLUTE    (1<<0)
#define SPOS_MAKEVISIBLE (1<<1)
#define SPOS_FORCEDRAG   (1<<2)

                            /* Draw Info */

struct DrawInfo
{
    UWORD             dri_Version; /* see below */
    UWORD             dri_NumPens;
    UWORD           * dri_Pens;    /* see below */
    struct TextFont * dri_Font;
    UWORD             dri_Depth;

    struct
    {
        UWORD X;
        UWORD Y;
    } dri_Resolution;

    ULONG dri_Flags; /* see below */

    struct Image * dri_CheckMark;
    struct Image * dri_AmigaKey;
    struct Image * dri_SubMenuImage;

    ULONG dri_Reserved[5];
};

/* dri_Version */
#define DRI_VERSION 2

/* dri_Flags */
#define DRIF_NEWLOOK (1L<<0)
#define DRIF_DIRECTCOLOR (1L << 1)

/* dri_Pens */
#define DETAILPEN        0
#define BLOCKPEN         1
#define TEXTPEN          2
#define SHINEPEN         3
#define SHADOWPEN        4
#define FILLPEN          5
#define FILLTEXTPEN      6
#define BACKGROUNDPEN    7
#define HIGHLIGHTTEXTPEN 8
#define BARDETAILPEN     9
#define BARBLOCKPEN      10
#define BARTRIMPEN       11
#define NUMDRIPENS       12

#define PEN_C0 0xFEFF
#define PEN_C1 0xFEFE
#define PEN_C2 0xFEFD
#define PEN_C3 0xFEFC

/* values for ChangeDecoration ID param */

#define DECORATION_SET     0x8001
#define DECORATION_DEFAULT 0x8000

/* Errors */
#define OSERR_NOMONITOR    1
#define OSERR_NOCHIPS      2
#define OSERR_NOMEM        3
#define OSERR_NOCHIPMEM    4
#define OSERR_PUBNOTUNIQUE 5
#define OSERR_UNKNOWNMODE  6
#define OSERR_TOODEEP      7
#define OSERR_ATTACHFAIL   8
#define OSERR_NOTAVAILABLE 9

#endif /* GRAPHICS_SCREENS_H */
