enum { Qdir, /* /dev for this window */ Qcons, Qconsctl, Qcursor, Qwdir, Qwinid, Qwinname, Qkbdin, Qlabel, Qmouse, Qnew, Qscreen, Qsnarf, Qtext, Qwctl, Qwindow, Qwsys, /* directory of window directories */ Qwsysdir, /* window directory, child of wsys */ QMAX, }; enum { Kscrolloneup = KF|0x20, Kscrollonedown = KF|0x21, }; #define STACK 8192 typedef struct Consreadmesg Consreadmesg; typedef struct Conswritemesg Conswritemesg; typedef struct Stringpair Stringpair; typedef struct Dirtab Dirtab; typedef struct Fid Fid; typedef struct Filsys Filsys; typedef struct Mouseinfo Mouseinfo; typedef struct Mousereadmesg Mousereadmesg; typedef struct Mousestate Mousestate; typedef struct Ref Ref; typedef struct Timer Timer; typedef struct Wctlmesg Wctlmesg; typedef struct Window Window; typedef struct Xfid Xfid; enum { Selborder = 4, /* border of selected window */ Unselborder = 1, /* border of unselected window */ Scrollwid = 12, /* width of scroll bar */ Scrollgap = 4, /* gap right of scroll bar */ BIG = 3, /* factor by which window dimension can exceed screen */ TRUE = 1, FALSE = 0, }; #define QID(w,q) ((w<<8)|(q)) #define WIN(q) ((((ulong)(q).path)>>8) & 0xFFFFFF) #define FILE(q) (((ulong)(q).path) & 0xFF) enum /* control messages */ { Wakeup, Reshaped, Moved, Refresh, Movemouse, Rawon, Rawoff, Holdon, Holdoff, Deleted, Exited, }; struct Wctlmesg { int type; Rectangle r; Image *image; }; struct Conswritemesg { Channel *cw; /* chan(Stringpair) */ }; struct Consreadmesg { Channel *c1; /* chan(tuple(char*, int) == Stringpair) */ Channel *c2; /* chan(tuple(char*, int) == Stringpair) */ }; struct Mousereadmesg { Channel *cm; /* chan(Mouse) */ }; struct Stringpair /* rune and nrune or byte and nbyte */ { void *s; int ns; }; struct Mousestate { Mouse; ulong counter; /* serial no. of mouse event */ }; struct Mouseinfo { Mousestate queue[16]; int ri; /* read index into queue */ int wi; /* write index */ ulong counter; /* serial no. of last mouse event we received */ ulong lastcounter; /* serial no. of last mouse event sent to client */ int lastb; /* last button state we received */ uchar qfull; /* filled the queue; no more recording until client comes back */ }; struct Window { Ref; QLock; Frame; Image *i; Mousectl mc; Mouseinfo mouse; Channel *ck; /* chan(Rune[10]) */ Channel *cctl; /* chan(Wctlmesg)[20] */ Channel *conswrite; /* chan(Conswritemesg) */ Channel *consread; /* chan(Consreadmesg) */ Channel *mouseread; /* chan(Mousereadmesg) */ Channel *wctlread; /* chan(Consreadmesg) */ uint nr; /* number of runes in window */ uint maxr; /* number of runes allocated in r */ Rune *r; uint nraw; Rune *raw; uint org; uint q0; uint q1; uint qh; int id; char name[32]; uint namecount; Rectangle scrollr; /* * Rio once used originwindow, so screenr could be different from i->r. * Now they're always the same but the code doesn't assume so. */ Rectangle screenr; /* screen coordinates of window */ int resized; int wctlready; Rectangle lastsr; int topped; int notefd; uchar scrolling; Cursor cursor; Cursor *cursorp; uchar holding; uchar rawing; uchar ctlopen; uchar wctlopen; uchar deleted; uchar mouseopen; char *label; int pid; char *dir; }; int winborder(Window*, Point); void winctl(void*); void winshell(void*); Window* wlookid(int); Window* wmk(Image*, Mousectl*, Channel*, Channel*, int); Window* wpointto(Point); Window* wtop(Point); void wtopme(Window*); void wbottomme(Window*); char* wcontents(Window*, int*); int wbswidth(Window*, Rune); int wclickmatch(Window*, int, int, int, uint*); int wclose(Window*); int wctlmesg(Window*, int, Rectangle, Image*); int wctlmesg(Window*, int, Rectangle, Image*); uint wbacknl(Window*, uint, uint); uint winsert(Window*, Rune*, int, uint); void waddraw(Window*, Rune*, int); void wborder(Window*, int); void wclosewin(Window*); void wcurrent(Window*); void wcut(Window*); void wdelete(Window*, uint, uint); void wdoubleclick(Window*, uint*, uint*); void wfill(Window*); void wframescroll(Window*, int); void wkeyctl(Window*, Rune); void wmousectl(Window*); void wmovemouse(Window*, Point); void wpaste(Window*); void wplumb(Window*); void wrefresh(Window*, Rectangle); void wrepaint(Window*); void wresize(Window*, Image*, int); void wscrdraw(Window*); void wscroll(Window*, int); void wselect(Window*); void wsendctlmesg(Window*, int, Rectangle, Image*); void wsetcursor(Window*, int); void wsetname(Window*); void wsetorigin(Window*, uint, int); void wsetpid(Window*, int, int); void wsetselect(Window*, uint, uint); void wshow(Window*, uint); void wsnarf(Window*); void wscrsleep(Window*, uint); void wsetcols(Window*); struct Dirtab { char *name; uchar type; uint qid; uint perm; }; struct Fid { int fid; int busy; int open; int mode; Qid qid; Window *w; Dirtab *dir; Fid *next; int nrpart; uchar rpart[UTFmax]; }; struct Xfid { Ref; Xfid *next; Xfid *free; Fcall; Channel *c; /* chan(void(*)(Xfid*)) */ Fid *f; uchar *buf; Filsys *fs; QLock active; int flushing; /* another Xfid is trying to flush us */ int flushtag; /* our tag, so flush can find us */ Channel *flushc; /* channel(int) to notify us we're being flushed */ }; Channel* xfidinit(void); void xfidctl(void*); void xfidflush(Xfid*); void xfidattach(Xfid*); void xfidopen(Xfid*); void xfidclose(Xfid*); void xfidread(Xfid*); void xfidwrite(Xfid*); enum { Nhash = 16, }; struct Filsys { int cfd; int sfd; int pid; char *user; Channel *cxfidalloc; /* chan(Xfid*) */ Fid *fids[Nhash]; }; Filsys* filsysinit(Channel*); int filsysmount(Filsys*, int); Xfid* filsysrespond(Filsys*, Xfid*, Fcall*, char*); void filsyscancel(Xfid*); void wctlproc(void*); void wctlthread(void*); void deletetimeoutproc(void*); struct Timer { int dt; int cancel; Channel *c; /* chan(int) */ Timer *next; }; Font *font; Mousectl *mousectl; Mouse *mouse; Keyboardctl *keyboardctl; Display *display; Image *view; Screen *wscreen; Cursor boxcursor; Cursor crosscursor; Cursor sightcursor; Cursor whitearrow; Cursor query; Cursor *corners[9]; Image *background; Image *lightgrey; Image *red; Window **window; Window *wkeyboard; /* window of simulated keyboard */ Window *wroot; /* root window */ int nwindow; int snarffd; Window *input; QLock all; /* BUG */ Filsys *filsys; Window *hidden[100]; int nhidden; int nsnarf; Rune* snarf; int selborder; int scrolling; int maxtab; Channel* winclosechan; Channel* deletechan; char *startdir; int sweeping; int wctlfd; char srvpipe[]; char srvwctl[]; int errorshouldabort; int menuing; /* menu action is pending; waiting for window to be indicated */ int snarfversion; /* updated each time it is written */ int messagesize; /* negotiated in 9P version setup */