66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
#include <u.h>
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#include <libc.h>
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#include <draw.h>
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#include <event.h>
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#include <panel.h>
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Panel *root, *list;
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char *genlist(Panel *, int which){
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static char buf[7];
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if(which<0 || 26<=which) return 0;
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sprint(buf, "item %c", which+'a');
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return buf;
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}
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void hitgen(Panel *p, int buttons, int sel){
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USED(p, buttons, sel);
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}
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void ereshaped(Rectangle r){
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screen.r=r;
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r=inset(r, 4);
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plpack(root, r);
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bitblt(&screen, screen.r.min, &screen, screen.r, Zero);
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pldraw(root, &screen);
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}
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void done(Panel *p, int buttons){
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USED(p, buttons);
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bitblt(&screen, screen.r.min, &screen, screen.r, Zero);
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exits(0);
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}
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Panel *msg;
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void message(char *s, ...){
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char buf[1024], *out;
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va_list arg;
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va_start(arg, s);
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out = doprint(buf, buf+sizeof(buf), s, arg);
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va_end(arg);
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*out='\0';
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plinitlabel(msg, PACKN|FILLX, buf);
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pldraw(msg, &screen);
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}
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Scroll s;
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void save(Panel *p, int buttons){
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USED(p, buttons);
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s=plgetscroll(list);
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message("save %d %d %d %d", s);
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}
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void revert(Panel *p, int buttons){
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USED(p, buttons);
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plsetscroll(list, s, &screen);
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message("revert %d %d %d %d", s);
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}
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void main(void){
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Panel *g;
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binit(0,0,0);
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einit(Emouse);
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plinit(screen.ldepth);
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root=plgroup(0, 0);
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g=plgroup(root, PACKN|EXPAND);
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list=pllist(g, PACKE|EXPAND, genlist, 8, hitgen);
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plscroll(list, 0, plscrollbar(g, PACKW));
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msg=pllabel(root, PACKN|FILLX, "");
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plbutton(root, PACKW, "save", save);
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plbutton(root, PACKW, "revert", revert);
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plbutton(root, PACKE, "done", done);
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ereshaped(screen.r);
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for(;;) plmouse(root, emouse(), &screen);
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}
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