sys/src/cmd/mothra/libpanel/event.c

   1 #include <u.h>
   2 #include <libc.h>
   3 #include <draw.h>
   4 #include <event.h>
   5 #include <panel.h>
   6 #include "pldefs.h"
   7
   8 void plgrabkb(Panel *g){
   9         plkbfocus=g;
  10 }
  11 void plkeyboard(Rune c){
  12         if(plkbfocus){
  13                 plkbfocus->type(plkbfocus, c);
  14                 flushimage(display, 1);
  15         }
  16 }
  17
  18 /*
  19  * Return the most leafward, highest priority panel containing p
  20  */
  21 Panel *pl_ptinpanel(Point p, Panel *g){
  22         Panel *v;
  23         for(;g;g=g->next) if(ptinrect(p, g->r)){
  24                 v=pl_ptinpanel(p, g->child);
  25                 if(v && v->pri(v, p)>=g->pri(g, p)) return v;
  26                 return g;
  27         }
  28         return 0;
  29 }
  30 void plmouse(Panel *g, Mouse *m){
  31         Panel *hit, *last;
  32         if(g->flags&REMOUSE)
  33                 hit=g->lastmouse;
  34         else{
  35                 hit=pl_ptinpanel(m->xy, g);
  36                 last=g->lastmouse;
  37                 if(last && last!=hit){
  38                         m->buttons|=OUT;
  39                         last->hit(last, m);
  40                         m->buttons&=~OUT;
  41                 }
  42         }
  43         if(hit){
  44                 if(hit->hit(hit, m))
  45                         g->flags|=REMOUSE;
  46                 else
  47                         g->flags&=~REMOUSE;
  48                 g->lastmouse=hit;
  49         }
  50         flushimage(display, 1);
  51 }