sys/src/cmd/rio/dat.h

   1 enum
   2 {
   3         Qdir,                   /* /dev for this window */
   4         Qcons,
   5         Qconsctl,
   6         Qcursor,
   7         Qwdir,
   8         Qwinid,
   9         Qwinname,
  10         Qlabel,
  11         Qkbd,
  12         Qmouse,
  13         Qnew,
  14         Qscreen,
  15         Qsnarf,
  16         Qtext,
  17         Qwctl,
  18         Qwindow,
  19         Qwsys,          /* directory of window directories */
  20         Qwsysdir,               /* window directory, child of wsys */
  21
  22         QMAX,
  23 };
  24
  25 #define STACK   8192
  26 #define MAXSNARF        100*1024
  27
  28 typedef struct  Consreadmesg Consreadmesg;
  29 typedef struct  Conswritemesg Conswritemesg;
  30 typedef struct  Kbdreadmesg Kbdreadmesg;
  31 typedef struct  Stringpair Stringpair;
  32 typedef struct  Dirtab Dirtab;
  33 typedef struct  Fid Fid;
  34 typedef struct  Filsys Filsys;
  35 typedef struct  Mouseinfo       Mouseinfo;
  36 typedef struct  Mousereadmesg Mousereadmesg;
  37 typedef struct  Mousestate      Mousestate;
  38 typedef struct  Ref Ref;
  39 typedef struct  Timer Timer;
  40 typedef struct  Wctlmesg Wctlmesg;
  41 typedef struct  Window Window;
  42 typedef struct  Xfid Xfid;
  43
  44 enum
  45 {
  46         Selborder               = 4,            /* border of selected window */
  47         Unselborder     = 1,            /* border of unselected window */
  48         Scrollwid               = 12,           /* width of scroll bar */
  49         Scrollgap               = 4,            /* gap right of scroll bar */
  50         BIG                     = 3,            /* factor by which window dimension can exceed screen */
  51         TRUE            = 1,
  52         FALSE           = 0,
  53 };
  54
  55 #define QID(w,q)        ((w<<8)|(q))
  56 #define WIN(q)  ((((ulong)(q).path)>>8) & 0xFFFFFF)
  57 #define FILE(q) (((ulong)(q).path) & 0xFF)
  58
  59 enum    /* control messages */
  60 {
  61         Wakeup,
  62         Reshaped,
  63         Topped,
  64         Repaint,
  65         Refresh,
  66         Movemouse,
  67         Rawon,
  68         Rawoff,
  69         Holdon,
  70         Holdoff,
  71         Truncate,
  72         Deleted,
  73         Exited,
  74 };
  75
  76 struct Wctlmesg
  77 {
  78         int             type;
  79         Rectangle       r;
  80         void            *p;
  81 };
  82
  83 struct Conswritemesg
  84 {
  85         Channel *cw;            /* chan(Stringpair) */
  86 };
  87
  88 struct Consreadmesg
  89 {
  90         Channel *c1;            /* chan(tuple(char*, int) == Stringpair) */
  91         Channel *c2;            /* chan(tuple(char*, int) == Stringpair) */
  92 };
  93
  94 struct Mousereadmesg
  95 {
  96         Channel *cm;            /* chan(Mouse) */
  97 };
  98
  99 struct Stringpair       /* rune and nrune or byte and nbyte */
 100 {
 101         void            *s;
 102         int             ns;
 103 };
 104
 105 struct Mousestate
 106 {
 107         Mouse;
 108         ulong   counter;        /* serial no. of mouse event */
 109 };
 110
 111 struct Mouseinfo
 112 {
 113         Mousestate      queue[16];
 114         int     ri;     /* read index into queue */
 115         int     wi;     /* write index */
 116         ulong   counter;        /* serial no. of last mouse event we received */
 117         ulong   lastcounter;    /* serial no. of last mouse event sent to client */
 118         int     lastb;  /* last button state we received */
 119         uchar   qfull;  /* filled the queue; no more recording until client comes back */
 120 };
 121
 122 struct Window
 123 {
 124         Ref;
 125         QLock;
 126         Frame;
 127         Image           *i;             /* window image, nil when deleted */
 128         Mousectl        mc;
 129         Mouseinfo       mouse;
 130         Channel         *ck;            /* chan(char*) */
 131         Channel         *cctl;          /* chan(Wctlmesg)[4] */
 132         Channel         *conswrite;     /* chan(Conswritemesg) */
 133         Channel         *consread;      /* chan(Consreadmesg) */
 134         Channel         *mouseread;     /* chan(Mousereadmesg) */
 135         Channel         *wctlread;      /* chan(Consreadmesg) */
 136         Channel         *kbdread;       /* chan(Consreadmesg) */
 137         Channel         *complete;      /* chan(Completion*) */
 138         Channel         *gone;          /* chan(char*) */
 139         uint                    nr;                     /* number of runes in window */
 140         uint                    maxr;           /* number of runes allocated in r */
 141         Rune                    *r;
 142         uint                    nraw;
 143         Rune                    *raw;
 144         uint                    org;
 145         uint                    q0;
 146         uint                    q1;
 147         uint                    qh;
 148         int                     id;
 149         char                    name[32];
 150         uint                    namecount;
 151         Rectangle               scrollr;
 152         /*
 153          * Rio once used originwindow, so screenr could be different from i->r.
 154          * Now they're always the same but the code doesn't assume so.
 155         */
 156         Rectangle               screenr;        /* screen coordinates of window */
 157         int                     resized;
 158         int                     wctlready;
 159         Rectangle               lastsr;
 160         int                     topped;
 161         int                     notefd;
 162         uchar           scrolling;
 163         Cursor          cursor;
 164         Cursor          *cursorp;
 165         uchar           holding;
 166         uchar           rawing;
 167         uchar           ctlopen;
 168         uchar           wctlopen;
 169         uchar           deleted;
 170         uchar           mouseopen;
 171         uchar           kbdopen;
 172         char                    *label;
 173         char                    *dir;
 174 };
 175
 176 void            winctl(void*);
 177 void            winshell(void*);
 178 Window* wlookid(int);
 179 Window* wmk(Image*, Mousectl*, Channel*, Channel*, int);
 180 Window* wpointto(Point);
 181 Window* wtop(Point);
 182 void            wtopme(Window*);
 183 void            wbottomme(Window*);
 184 char*   wcontents(Window*, int*);
 185 int             wbswidth(Window*, Rune);
 186 int             wclickmatch(Window*, int, int, int, uint*);
 187 int             wclose(Window*);
 188 int             wctlmesg(Window*, int, Rectangle, void*);
 189 uint            wbacknl(Window*, uint, uint);
 190 uint            winsert(Window*, Rune*, int, uint);
 191 void            waddraw(Window*, Rune*, int);
 192 void            wborder(Window*, int);
 193 void            wclunk(Window*);
 194 void            wclosewin(Window*);
 195 void            wcurrent(Window*);
 196 void            wcut(Window*);
 197 void            wdelete(Window*, uint, uint);
 198 void            wdoubleclick(Window*, uint*, uint*);
 199 void            wfill(Window*);
 200 void            wframescroll(Window*, int);
 201 void            wkeyctl(Window*, Rune);
 202 void            wmousectl(Window*);
 203 void            wmovemouse(Window*, Point);
 204 void            wpaste(Window*);
 205 void            wplumb(Window*);
 206 void            wlook(Window*);
 207 void            wrefresh(Window*);
 208 void            wrepaint(Window*);
 209 void            wresize(Window*, Image*);
 210 void            wscrdraw(Window*);
 211 void            wscroll(Window*, int);
 212 void            wselect(Window*);
 213 void            wsendctlmesg(Window*, int, Rectangle, void*);
 214 void            wsetcursor(Window*, int);
 215 void            wsetname(Window*);
 216 void            wsetorigin(Window*, uint, int);
 217 void            wsetpid(Window*, int, int);
 218 void            wsetselect(Window*, uint, uint);
 219 void            wshow(Window*, uint);
 220 void            wsnarf(Window*);
 221 void            wscrsleep(Window*, uint);
 222 void            wsetcols(Window*, int);
 223
 224 struct Dirtab
 225 {
 226         char            *name;
 227         uchar   type;
 228         uint            qid;
 229         uint            perm;
 230 };
 231
 232 struct Fid
 233 {
 234         int             fid;
 235         int             busy;
 236         int             open;
 237         int             mode;
 238         Qid             qid;
 239         Window  *w;
 240         Dirtab  *dir;
 241         Fid             *next;
 242         int             nrpart;
 243         uchar   rpart[UTFmax];
 244 };
 245
 246 struct Xfid
 247 {
 248                 Ref;
 249                 Xfid            *next;
 250                 Xfid            *free;
 251                 Fcall;
 252                 Channel *c;     /* chan(void(*)(Xfid*)) */
 253                 Fid             *f;
 254                 uchar   *buf;
 255                 Filsys  *fs;
 256                 int             flushtag;       /* our tag, so flush can find us */
 257                 Channel *flushc;        /* channel(int) to notify us we're being flushed */
 258 };
 259
 260 Channel*        xfidinit(void);
 261 void            xfidctl(void*);
 262 void            xfidflush(Xfid*);
 263 void            xfidattach(Xfid*);
 264 void            xfidopen(Xfid*);
 265 void            xfidclose(Xfid*);
 266 void            xfidread(Xfid*);
 267 void            xfidwrite(Xfid*);
 268
 269 enum
 270 {
 271         Nhash   = 16,
 272 };
 273
 274 struct Filsys
 275 {
 276                 int             cfd;
 277                 int             sfd;
 278                 int             pid;
 279                 char            *user;
 280                 Channel *cxfidalloc;    /* chan(Xfid*) */
 281                 Channel *csyncflush;    /* chan(int) */
 282                 Fid             *fids[Nhash];
 283 };
 284
 285 Filsys* filsysinit(Channel*);
 286 int             filsysmount(Filsys*, int);
 287 Xfid*           filsysrespond(Filsys*, Xfid*, Fcall*, char*);
 288 void            filsyscancel(Xfid*);
 289
 290 void            wctlproc(void*);
 291 void            wctlthread(void*);
 292
 293 void            deletetimeoutproc(void*);
 294
 295 struct Timer
 296 {
 297         int             dt;
 298         int             cancel;
 299         Channel *c;     /* chan(int) */
 300         Timer   *next;
 301 };
 302
 303 Font            *font;
 304 Mousectl        *mousectl;
 305 Mouse   *mouse;
 306 Display *display;
 307 Image   *view;
 308 Screen  *wscreen;
 309 Cursor  boxcursor;
 310 Cursor  crosscursor;
 311 Cursor  sightcursor;
 312 Cursor  whitearrow;
 313 Cursor  query;
 314 Cursor  *corners[9];
 315
 316 Image   *background;
 317 Image   *cols[NCOL];
 318 Image   *titlecol;
 319 Image   *lighttitlecol;
 320 Image   *dholdcol;
 321 Image   *holdcol;
 322 Image   *lightholdcol;
 323 Image   *paleholdcol;
 324 Image   *paletextcol;
 325 Image   *sizecol;
 326 int     reverse;        /* there are no pastel paints in the dungeons and dragons world -- rob pike */
 327
 328 Window  **window;
 329 Window  *wkeyboard;     /* window of simulated keyboard */
 330 int             nwindow;
 331 int             snarffd;
 332 int             gotscreen;
 333 int             servekbd;
 334 Window  *input;
 335 QLock   all;                    /* BUG */
 336 Filsys  *filsys;
 337 Window  *hidden[100];
 338 int             nhidden;
 339 int             nsnarf;
 340 Rune*   snarf;
 341 int             scrolling;
 342 int             maxtab;
 343 Channel*        winclosechan;
 344 char            *startdir;
 345 int             sweeping;
 346 int             wctlfd;
 347 char            srvpipe[];
 348 char            srvwctl[];
 349 int             errorshouldabort;
 350 int             menuing;                /* menu action is pending; waiting for window to be indicated */
 351 int             snarfversion;   /* updated each time it is written */
 352 int             messagesize;            /* negotiated in 9P version setup */
 353 int             shiftdown;
 354 int             debug;