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4 changed files with 742 additions and 0 deletions
367
src/libdraw/drawfcall.c
Normal file
367
src/libdraw/drawfcall.c
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#include <u.h>
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#include <libc.h>
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#include <draw.h>
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#include <mouse.h>
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#include <cursor.h>
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#include <drawfcall.h>
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#define PUT(p, x) \
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(p)[0] = ((x) >> 24)&0xFF, \
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(p)[1] = ((x) >> 16)&0xFF, \
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(p)[2] = ((x) >> 8)&0xFF, \
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(p)[3] = (x)&0xFF
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#define GET(p, x) \
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((x) = (((p)[0] << 24) | ((p)[1] << 16) | ((p)[2] << 8) | ((p)[3])))
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#define PUT2(p, x) \
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(p)[0] = ((x) >> 8)&0xFF, \
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(p)[1] = (x)&0xFF
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#define GET2(p, x) \
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((x) = (((p)[0] << 8) | ((p)[1])))
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static int
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_stringsize(char *s)
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{
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return 4+strlen(s);
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}
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static int
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PUTSTRING(uchar *p, char *s)
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{
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int n;
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if(s == nil)
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s = "";
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n = strlen(s);
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PUT(p, n);
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memmove(p+4, s, n);
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return n+4;
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}
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static int
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GETSTRING(uchar *p, char **s)
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{
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int n;
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GET(p, n);
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memmove(p, p+4, n);
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*s = (char*)p;
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p[n] = 0;
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return n+4;
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}
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uint
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sizeW2M(Wsysmsg *m)
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{
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switch(m->type){
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default:
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return 0;
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case Trdmouse:
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case Rbouncemouse:
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case Rmoveto:
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case Rcursor:
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case Trdkbd:
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case Rlabel:
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case Rinit:
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case Trdsnarf:
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case Rwrsnarf:
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case Ttop:
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case Rtop:
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case Rresize:
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return 4+1+1;
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case Rrdmouse:
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return 4+1+1+4+4+4+4+1;
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case Tbouncemouse:
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return 4+1+1+4+4+4;
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case Tmoveto:
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return 4+1+1+4+4;
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case Tcursor:
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return 4+1+1+4+4+2*16+2*16+1;
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case Rerror:
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return 4+1+1+_stringsize(m->error);
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case Rrdkbd:
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return 4+1+1+2;
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case Tlabel:
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return 4+1+1+_stringsize(m->label);
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case Tinit:
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return 4+1+1
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+_stringsize(m->winsize)
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+_stringsize(m->label);
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case Rrdsnarf:
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case Twrsnarf:
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return 4+1+1+_stringsize(m->snarf);
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case Rrddraw:
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case Twrdraw:
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return 4+1+1+4+m->count;
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case Trddraw:
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case Rwrdraw:
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return 4+1+1+4;
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case Tresize:
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return 4+1+1+4*4;
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}
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}
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uint
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convW2M(Wsysmsg *m, uchar *p, uint n)
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{
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int nn;
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nn = sizeW2M(m);
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if(n < nn || nn == 0 || n < 6)
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return 0;
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PUT(p, nn);
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p[4] = m->tag;
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p[5] = m->type;
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switch(m->type){
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default:
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return 0;
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case Trdmouse:
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case Rbouncemouse:
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case Rmoveto:
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case Rcursor:
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case Trdkbd:
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case Rlabel:
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case Rinit:
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case Trdsnarf:
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case Rwrsnarf:
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case Ttop:
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case Rtop:
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case Rresize:
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break;
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case Rerror:
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PUTSTRING(p+6, m->error);
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break;
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case Rrdmouse:
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PUT(p+6, m->mouse.xy.x);
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PUT(p+10, m->mouse.xy.y);
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PUT(p+14, m->mouse.buttons);
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PUT(p+18, m->mouse.msec);
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p[19] = m->resized;
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break;
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case Tbouncemouse:
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PUT(p+6, m->mouse.xy.x);
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PUT(p+10, m->mouse.xy.y);
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PUT(p+14, m->mouse.buttons);
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break;
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case Tmoveto:
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PUT(p+6, m->mouse.xy.x);
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PUT(p+10, m->mouse.xy.y);
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break;
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case Tcursor:
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PUT(p+6, m->cursor.offset.x);
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PUT(p+10, m->cursor.offset.y);
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memmove(p+14, m->cursor.clr, sizeof m->cursor.clr);
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memmove(p+46, m->cursor.set, sizeof m->cursor.set);
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p[78] = m->arrowcursor;
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break;
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case Rrdkbd:
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PUT2(p+6, m->rune);
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break;
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case Tlabel:
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PUTSTRING(p+6, m->label);
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break;
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case Tinit:
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p += 6;
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p += PUTSTRING(p, m->winsize);
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p += PUTSTRING(p, m->label);
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break;
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case Rrdsnarf:
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case Twrsnarf:
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PUTSTRING(p+6, m->snarf);
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break;
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case Rrddraw:
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case Twrdraw:
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PUT(p+6, m->count);
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memmove(p+10, m->data, m->count);
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break;
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case Trddraw:
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case Rwrdraw:
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PUT(p+6, m->count);
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break;
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case Tresize:
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PUT(p+6, m->rect.min.x);
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PUT(p+10, m->rect.min.y);
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PUT(p+14, m->rect.max.x);
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PUT(p+18, m->rect.max.y);
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break;
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}
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return nn;
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}
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uint
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convM2W(uchar *p, uint n, Wsysmsg *m)
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{
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int nn;
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if(n < 6)
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return 0;
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GET(p, nn);
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if(nn > n)
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return 0;
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m->tag = p[4];
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m->type = p[5];
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switch(m->type){
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default:
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return 0;
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case Trdmouse:
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case Rbouncemouse:
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case Rmoveto:
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case Rcursor:
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case Trdkbd:
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case Rlabel:
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case Rinit:
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case Trdsnarf:
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case Rwrsnarf:
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case Ttop:
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case Rtop:
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case Rresize:
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break;
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case Rerror:
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GETSTRING(p+6, &m->error);
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break;
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case Rrdmouse:
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GET(p+6, m->mouse.xy.x);
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GET(p+10, m->mouse.xy.y);
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GET(p+14, m->mouse.buttons);
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GET(p+18, m->mouse.msec);
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m->resized = p[19];
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break;
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case Tbouncemouse:
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GET(p+6, m->mouse.xy.x);
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GET(p+10, m->mouse.xy.y);
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GET(p+14, m->mouse.buttons);
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break;
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case Tmoveto:
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GET(p+6, m->mouse.xy.x);
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GET(p+10, m->mouse.xy.y);
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break;
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case Tcursor:
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GET(p+6, m->cursor.offset.x);
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GET(p+10, m->cursor.offset.y);
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memmove(m->cursor.clr, p+14, sizeof m->cursor.clr);
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memmove(m->cursor.set, p+46, sizeof m->cursor.set);
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m->arrowcursor = p[78];
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break;
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case Rrdkbd:
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GET2(p+6, m->rune);
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break;
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case Tlabel:
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GETSTRING(p+6, &m->label);
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break;
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case Tinit:
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p += 6;
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p += GETSTRING(p, &m->winsize);
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p += GETSTRING(p, &m->label);
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break;
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case Rrdsnarf:
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case Twrsnarf:
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GETSTRING(p+6, &m->snarf);
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break;
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case Rrddraw:
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case Twrdraw:
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GET(p+6, m->count);
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m->data = p+10;
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break;
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case Trddraw:
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case Rwrdraw:
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GET(p+6, m->count);
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break;
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case Tresize:
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GET(p+6, m->rect.min.x);
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GET(p+10, m->rect.min.y);
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GET(p+14, m->rect.max.x);
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GET(p+18, m->rect.max.y);
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break;
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}
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return nn;
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}
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int
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readwsysmsg(int fd, uchar *buf, uint nbuf)
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{
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int n;
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if(nbuf < 6)
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return -1;
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if(readn(fd, buf, 4) != 4)
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return -1;
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GET(buf, n);
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if(n > nbuf)
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return -1;
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if(readn(fd, buf+4, n-4) != n-4)
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return -1;
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return n;
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}
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int
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drawfcallfmt(Fmt *fmt)
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{
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Wsysmsg *m;
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m = va_arg(fmt->args, Wsysmsg*);
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fmtprint(fmt, "tag=%d ", m->tag);
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switch(m->type){
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default:
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return fmtprint(fmt, "unknown msg %d", m->type);
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case Rerror:
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return fmtprint(fmt, "Rerror error='%s'", m->error);
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case Trdmouse:
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return fmtprint(fmt, "Trdmouse");
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case Rrdmouse:
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return fmtprint(fmt, "Rrdmouse x=%d y=%d buttons=%d msec=%d resized=%d",
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m->mouse.xy.x, m->mouse.xy.y,
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m->mouse.buttons, m->mouse.msec, m->resized);
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case Tbouncemouse:
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return fmtprint(fmt, "Tbouncemouse x=%d y=%d buttons=%d",
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m->mouse.xy.x, m->mouse.xy.y, m->mouse.buttons);
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case Rbouncemouse:
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return fmtprint(fmt, "Rbouncemouse");
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case Tmoveto:
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return fmtprint(fmt, "Tmoveto x=%d y=%d", m->mouse.xy.x, m->mouse.xy.y);
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case Rmoveto:
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return fmtprint(fmt, "Rmoveto");
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case Tcursor:
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return fmtprint(fmt, "Tcursor arrow=%d", m->arrowcursor);
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case Rcursor:
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return fmtprint(fmt, "Rcursor");
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case Trdkbd:
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return fmtprint(fmt, "Trdkbd");
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case Rrdkbd:
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return fmtprint(fmt, "Rrdkbd rune=%C", m->rune);
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case Tlabel:
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return fmtprint(fmt, "Tlabel label='%s'", m->label);
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case Rlabel:
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return fmtprint(fmt, "Rlabel");
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case Tinit:
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return fmtprint(fmt, "Tinit label='%s' winsize='%s'", m->label, m->winsize);
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case Rinit:
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return fmtprint(fmt, "Rinit");
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case Trdsnarf:
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return fmtprint(fmt, "Trdsnarf");
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case Rrdsnarf:
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return fmtprint(fmt, "Rrdsnarf snarf='%s'", m->snarf);
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case Twrsnarf:
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return fmtprint(fmt, "Twrsnarf snarf='%s'", m->snarf);
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case Rwrsnarf:
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return fmtprint(fmt, "Rwrsnarf");
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case Trddraw:
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return fmtprint(fmt, "Trddraw %d", m->count);
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case Rrddraw:
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return fmtprint(fmt, "Rrddraw %d %.*H", m->count, m->count, m->data);
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case Twrdraw:
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return fmtprint(fmt, "Twrdraw %d %.*H", m->count, m->count, m->data);
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case Rwrdraw:
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return fmtprint(fmt, "Rwrdraw %d", m->count);
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case Ttop:
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return fmtprint(fmt, "Ttop");
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case Rtop:
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return fmtprint(fmt, "Rtop");
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case Tresize:
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return fmtprint(fmt, "Tresize %R", m->rect);
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case Rresize:
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return fmtprint(fmt, "Rresize");
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}
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}
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