ref: 31eb1b9d724ab8395d1191db083cabbb0d8b3bbe
parent: 5f2cf12f3844eb083042eb7648cbbca87d22a236
author: Ori Bernstein <ori@eigenstate.org>
date: Fri Oct 30 09:23:16 EDT 2020
vt: improve behavior of chording vt chording behaves slightly differently from other applications: a chord must be fully released before the next chord can be applied. This makes any change in chord apply the action.
--- a/sys/src/cmd/vt/main.c
+++ b/sys/src/cmd/vt/main.c
@@ -67,6 +67,7 @@
int peekc;
int blocksel = 0;
int cursoron = 1;
+int chording = 0;
int hostclosed = 0;
Menu menu2;
Menu menu3;
@@ -156,6 +157,7 @@
struct funckey *fk, *appfk;
/* functions */
+int input(void);
int waitchar(void);
void waitio(void);
int rcvchar(void);
@@ -648,144 +650,157 @@
}
int
-waitchar(void)
+input(void)
{static char echobuf[4*BSIZE];
- for(;;) {- if(resize_flag)
- resized();
- if(backp)
- return(0);
- if(snarffp) {- int c;
+Again:
+ if(resize_flag)
+ resized();
+ if(backp)
+ return(0);
+ if(snarffp) {+ int c;
- if((c = Bgetrune(snarffp)) < 0) {- Bterm(snarffp);
- snarffp = nil;
- continue;
- }
- kbdchar = c;
+ if((c = Bgetrune(snarffp)) < 0) {+ Bterm(snarffp);
+ snarffp = nil;
+ goto Again;
}
- if(kbdchar) {- if(backc){- backc = 0;
- backup(backc);
- }
- if(blocked)
- resize_flag = 1;
- if(cs->raw) {- switch(kbdchar){- case Kins:
- if(!sendfk("insert"))- goto Send;
- break;
- case Kdel:
- if(!sendfk("delete"))- goto Send;
- break;
- case Khome:
- if(!sendfk("home"))- goto Send;
- break;
- case Kend:
- if(!sendfk("end"))- goto Send;
- break;
+ kbdchar = c;
+ }
+ if(kbdchar) {+ if(backc){+ backc = 0;
+ backup(backc);
+ }
+ if(blocked)
+ resize_flag = 1;
+ if(cs->raw) {+ switch(kbdchar){+ case Kins:
+ if(!sendfk("insert"))+ goto Send;
+ break;
+ case Kdel:
+ if(!sendfk("delete"))+ goto Send;
+ break;
+ case Khome:
+ if(!sendfk("home"))+ goto Send;
+ break;
+ case Kend:
+ if(!sendfk("end"))+ goto Send;
+ break;
- case Kpgup:
- sendfk("page up");- break;
- case Kpgdown:
- sendfk("page down");- break;
+ case Kpgup:
+ sendfk("page up");+ break;
+ case Kpgdown:
+ sendfk("page down");+ break;
- case Kup:
- sendfk("up key");- break;
- case Kdown:
- sendfk("down key");- break;
- case Kleft:
- sendfk("left key");- break;
- case Kright:
- sendfk("right key");- break;
+ case Kup:
+ sendfk("up key");+ break;
+ case Kdown:
+ sendfk("down key");+ break;
+ case Kleft:
+ sendfk("left key");+ break;
+ case Kright:
+ sendfk("right key");+ break;
- case KF|1:
- sendfk("F1");- break;
- case KF|2:
- sendfk("F2");- break;
- case KF|3:
- sendfk("F3");- break;
- case KF|4:
- sendfk("F4");- break;
- case KF|5:
- sendfk("F5");- break;
- case KF|6:
- sendfk("F6");- break;
- case KF|7:
- sendfk("F7");- break;
- case KF|8:
- sendfk("F8");- break;
- case KF|9:
- sendfk("F9");- break;
- case KF|10:
- sendfk("F10");- break;
- case KF|11:
- sendfk("F11");- break;
- case KF|12:
- sendfk("F12");- break;
+ case KF|1:
+ sendfk("F1");+ break;
+ case KF|2:
+ sendfk("F2");+ break;
+ case KF|3:
+ sendfk("F3");+ break;
+ case KF|4:
+ sendfk("F4");+ break;
+ case KF|5:
+ sendfk("F5");+ break;
+ case KF|6:
+ sendfk("F6");+ break;
+ case KF|7:
+ sendfk("F7");+ break;
+ case KF|8:
+ sendfk("F8");+ break;
+ case KF|9:
+ sendfk("F9");+ break;
+ case KF|10:
+ sendfk("F10");+ break;
+ case KF|11:
+ sendfk("F11");+ break;
+ case KF|12:
+ sendfk("F12");+ break;
- case '\n':
- echobuf[0] = '\r';
- sendnchars(1, echobuf);
- break;
- case '\r':
- echobuf[0] = '\n';
- sendnchars(1, echobuf);
- break;
- default:
- Send:
- sendnchars(runetochar(echobuf, &kbdchar), echobuf);
- break;
- }
- } else {- switch(canon(echobuf, kbdchar)){- case SCROLL:
- if(!blocked)
- bigscroll();
- break;
- default:
- strcat(echo_input,echobuf);
- }
+ case '\n':
+ echobuf[0] = '\r';
+ sendnchars(1, echobuf);
+ break;
+ case '\r':
+ echobuf[0] = '\n';
+ sendnchars(1, echobuf);
+ break;
+ default:
+ Send:
+ sendnchars(runetochar(echobuf, &kbdchar), echobuf);
+ break;
}
- blocked = 0;
- kbdchar = 0;
- continue;
- } else if(nbrecv(kc->c, &kbdchar))
- continue;
- if(!blocked){- if(host_avail())
- return(rcvchar());
- free(hostbuf);
- hostbufp = hostbuf = nbrecvp(hc[1]);
- if(host_avail() && nrand(32))
- return(rcvchar());
+ } else {+ switch(canon(echobuf, kbdchar)){+ case SCROLL:
+ if(!blocked)
+ bigscroll();
+ break;
+ default:
+ strcat(echo_input,echobuf);
+ }
}
+ blocked = 0;
+ kbdchar = 0;
+ goto Again;
+ } else if(nbrecv(kc->c, &kbdchar))
+ goto Again;
+ if(!blocked){+ if(host_avail())
+ return(rcvchar());
+ free(hostbuf);
+ hostbufp = hostbuf = nbrecvp(hc[1]);
+ if(host_avail() && nrand(32))
+ return(rcvchar());
+ }
+ return -1;
+}
+
+
+int
+waitchar(void)
+{+ int r;
+
+ for(;;) {+ r = input();
+ if(r != -1)
+ return r;
drawscreen();
drawcursor();
waitio();
@@ -817,7 +832,7 @@
flushimage(display, 1);
switch(alt(a)){case AMOUSE:
- if(button1())
+ if(button1() || chording)
selecting();
else if(button2() || button3())
readmenu();
@@ -1098,25 +1113,31 @@
Point p, q;
static ulong t, mode;
- p = pos(mc->xy);
- t += mc->msec;
- mode++;
- do{- q = pos(mc->xy);
- if(t > 200)
- mode = 0;
- if(mode > 2)
- mode = 2;
- select(p, q, mode);
- drawscreen();
- readmouse(mc);
- } while(button1());
- switch(mc->buttons & 0x7){- case 3: snarfsel(); break;
- case 5: paste(); break;
+ if(!chording){+ p = pos(mc->xy);
+ t += mc->msec;
+ mode++;
+ do{+ q = pos(mc->xy);
+ if(t > 200)
+ mode = 0;
+ if(mode > 2)
+ mode = 2;
+ select(p, q, mode);
+ drawscreen();
+ readmouse(mc);
+ } while(button1());
}
- while(mc->buttons&7) readmouse(mc);
+ if(mc->buttons != chording){+ switch(mc->buttons & 0x7){+ case 0: /* nothing */ break;
+ case 3: snarfsel(); break;
+ case 5: paste(); break;
+ }
+ }
+ drawscreen();
t = -mc->msec;
+ chording = mc->buttons;
}
int