Subversion Repositories planix.SVN

typedef struct Cursor Cursor;
typedef struct Cursorinfo       Cursorinfo;
typedef struct OScreen OScreen;
typedef struct Omap3fb Omap3fb;
typedef struct Settings Settings;

struct Cursorinfo
{
        Cursor;
        Lock;
};

extern Cursor   arrow;
extern Cursorinfo cursor;

/* devmouse.c */
extern void mousetrack(int, int, int, int);
extern Point mousexy(void);

extern void     mouseaccelerate(int);
extern void     mouseresize(void);

/* screen.c */
extern uchar* attachscreen(Rectangle*, ulong*, int*, int*, int*);
extern void     flushmemscreen(Rectangle);
extern int      cursoron(int);
extern void     cursoroff(int);
extern void     setcursor(Cursor*);
extern int      screensize(int, int, int, ulong);
extern int      screenaperture(int, int);
extern Rectangle physgscreenr;  /* actual monitor size */
extern void     blankscreen(int);

extern void swcursorinit(void);
extern void swcursorhide(void);
extern void swcursoravoid(Rectangle);
extern void swcursorunhide(void);

/* devdraw.c */
extern void     deletescreenimage(void);
extern void     resetscreenimage(void);
extern int              drawhasclients(void);
extern ulong    blanktime;
extern void     setscreenimageclipr(Rectangle);
extern void     drawflush(void);
extern int drawidletime(void);
extern QLock    drawlock;

#define ishwimage(i)    0                /* for ../port/devdraw.c */

/* for communication between devdss.c and screen.c */

enum {
        /* maxima */
        Wid             = 1280,
        Ht              = 1024,
        Depth           = 16,           /* bits per pixel */

        Pcolours        = 256,          /* Palette */
        Pred            = 0,
        Pgreen          = 1,
        Pblue           = 2,

        Pblack          = 0x00,
        Pwhite          = 0xFF,

        /* settings indices */
        Res800x600      = 0,
        Res1024x768,
        Res1280x1024,
        Res1400x1050,
};

struct Settings {
        uint    wid;            /* width in pixels */
        uint    ht;             /* height in pixels */
        uint    freq;           /* refresh frequency; only printed */
        uint    chan;           /* draw chan */

        /* shouldn't be needed? */
        uint    pixelclock;

        /* horizontal timing */
        uint    hbp;            /* back porch: pixel clocks before scan line */
        uint    hfp;            /* front porch: pixel clocks after scan line */
        uint    hsw;            /* sync pulse width: more hfp */

        /* vertical timing */
        uint    vbp;            /* back porch: line clocks before frame */
        uint    vfp;            /* front porch: line clocks after frame */
        uint    vsw;            /* sync pulse width: more vfp */
};

struct OScreen {
        Lock;
        Cursor;
        Settings *settings;
        int     open;
};

struct Omap3fb {                /* frame buffer for 24-bit active color */
//      short   palette[256];
        /* pixel data, even; base type's width must match Depth */
        ushort  pixel[Wid*Ht];
};