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Download patch

ref: 1270ba4418294c69d04242d13621d24b10a4120f
parent: 03c9833e0fd5c6a1e1e63a32e4d1f2235bc48747
author: qwx <qwx@sciops.net>
date: Sat Aug 19 04:51:42 EDT 2023 

add aux/statusbar, aux/statusmsg: themeshit

diff: cannot open b/sys/src/cmd/aux//null: file does not exist: 'b/sys/src/cmd/aux//null' 
--- /dev/null
+++ b/sys/src/cmd/aux/statusbar.c
@@ -1,0 +1,250 @@
+#include <u.h>
+#include <libc.h>
+#include <draw.h>
+#include <bio.h>
+#include <event.h>
+#include <keyboard.h>
+
+int newwin(char*);
+
+int nokill;
+int textmode;
+char *title;
+
+Image *light;
+Image *dark;
+Image *text;
+
+void
+initcolor(void)
+{
+	enum{
+		Ctext,
+		Clight,
+		Cdark,
+		Ncols,
+	};
+	Theme th[Ncols] = {
+		[Ctext] { "text",	DBlack },
+		[Clight] { "back",	0xEAFFEAFF },
+		[Cdark]	{ "border",	DDarkgreen },
+	};
+	readtheme(th, nelem(th), nil);
+
+	text = allocimage(display, Rect(0,0,1,1), screen->chan, 1, th[Ctext].c);
+	light = allocimage(display, Rect(0,0,1,1), screen->chan, 1, th[Clight].c);
+	dark = allocimage(display, Rect(0,0,1,1), screen->chan, 1, th[Cdark].c);
+	if(text == nil || light == nil || dark == nil) sysfatal("initcolor: %r");
+}
+
+Rectangle rbar;
+vlong n, d;
+int last;
+int lastp = -1;
+
+char backup[80];
+
+void
+drawbar(void)
+{
+	int i, j;
+	int p;
+	char buf[400], bar[200];
+	static char lastbar[200];
+
+	if(n > d || n < 0 || d <= 0)
+		return;
+
+	i = (Dx(rbar)*n)/d;
+	p = (n*100LL)/d;
+
+	if(textmode){
+		if(Dx(rbar) > 150){
+			rbar.min.x = 0;
+			rbar.max.x = 150;
+			return;
+		}
+		bar[0] = '|';
+		for(j=0; j<i; j++)
+			bar[j+1] = '#';
+		for(; j<Dx(rbar); j++)
+			bar[j+1] = '-';
+		bar[j++] = '|';
+		bar[j++] = ' ';
+		sprint(bar+j, "%3d%% ", p);
+		for(i=0; bar[i]==lastbar[i] && bar[i]; i++)
+			;
+		memset(buf, '\b', strlen(lastbar)-i);
+		strcpy(buf+strlen(lastbar)-i, bar+i);
+		if(buf[0])
+			write(1, buf, strlen(buf));
+		strcpy(lastbar, bar);
+		return;
+	}
+
+	if(lastp == p && last == i)
+		return;
+
+	if(lastp != p){
+		sprint(buf, "%3d%%", p);
+		
+		stringbg(screen, Pt(screen->r.max.x-4-stringwidth(display->defaultfont, buf), screen->r.min.y+4), text, ZP, display->defaultfont, buf, light, ZP);
+		lastp = p;
+	}
+
+	if(last != i){
+		if(i > last)
+			draw(screen, Rect(rbar.min.x+last, rbar.min.y, rbar.min.x+i, rbar.max.y),
+				dark, nil, ZP);
+		else
+			draw(screen, Rect(rbar.min.x+i, rbar.min.y, rbar.min.x+last, rbar.max.y),
+				light, nil, ZP);
+		last = i;
+	}
+	flushimage(display, 1);
+}
+
+void
+eresized(int new)
+{
+	if(new && getwindow(display, Refnone) < 0)
+		fprint(2,"can't reattach to window");
+
+	draw(screen, screen->r, light, nil, ZP);
+	if(title) string(screen, addpt(screen->r.min, Pt(4,4)), text, ZP, font, title);
+	rbar = insetrect(screen->r, 4);
+	rbar.min.y += font->height + 4;
+	border(screen, rbar, -2, dark, ZP);
+	last = 0;
+	lastp = -1;
+
+	drawbar();
+}
+
+void
+bar(Biobuf *b)
+{
+	char *p, *f[2];
+	Event e;
+	int k, die, parent, child;
+
+	parent = getpid();
+
+	die = 0;
+	if(textmode)
+		child = -1;
+	else
+	switch(child = rfork(RFMEM|RFPROC)) {
+	case 0:
+		sleep(1000);
+		while(!die && (k = eread(Ekeyboard|Emouse, &e))) {
+			if(nokill==0 && k == Ekeyboard && (e.kbdc == Kdel || e.kbdc == Ketx)) {
+				die = 1;
+				postnote(PNPROC, parent, "interrupt");
+				_exits("interrupt");
+			}
+		}
+		_exits(0);
+	}
+
+	while(!die && (p = Brdline(b, '\n'))) {
+		p[Blinelen(b)-1] = '\0';
+		if(tokenize(p, f, 2) != 2)
+			continue;
+		n = strtoll(f[0], 0, 0);
+		d = strtoll(f[1], 0, 0);
+		drawbar();
+	}
+	if(textmode)
+		write(1, "\n", 1);
+	else
+		postnote(PNPROC, child, "kill");
+}
+
+
+void
+usage(void)
+{
+	fprint(2, "usage: %s [-kt] [-w minx,miny,maxx,maxy] [title]\n", argv0);
+	exits("usage");
+}
+
+void
+main(int argc, char **argv)
+{
+	Biobuf b;
+	char *p, *q;
+	int lfd;
+
+	p = "0,0,200,60";
+	
+	ARGBEGIN{
+	case 'w':
+		p = ARGF();
+		break;
+	case 't':
+		textmode = 1;
+		break;
+	case 'k':
+		nokill = 1;
+		break;
+	default:
+		usage();
+	}ARGEND;
+
+	switch(argc){
+	default:
+		usage();
+	case 1:
+		title = argv[0];
+	case 0:
+		break;
+	}
+	lfd = dup(0, -1);
+
+	while(q = strchr(p, ','))
+		*q = ' ';
+	Binit(&b, lfd, OREAD);
+	if(textmode || newwin(p) < 0){
+		textmode = 1;
+		rbar = Rect(0, 0, 60, 1);
+	}else{
+		if(initdraw(0, 0, title ? title : argv0) < 0)
+			exits("initdraw");
+		initcolor();
+		einit(Emouse|Ekeyboard);
+		eresized(0);
+	}
+	bar(&b);
+
+	exits(0);
+}
+
+int
+newwin(char *win)
+{
+	char spec[100];
+	int cons;
+
+	if(win != nil){
+		snprint(spec, sizeof(spec), "-r %s", win);
+		win = spec;
+	}
+	if(newwindow(win) < 0){
+		fprint(2, "%s: newwindow: %r", argv0);
+		return -1;
+	}
+	if((cons = open("/dev/cons", OREAD)) < 0){
+	NoCons:
+		fprint(2, "%s: can't open /dev/cons: %r", argv0);
+		return -1;
+	}
+	dup(cons, 0);
+	close(cons);
+	if((cons = open("/dev/cons", OWRITE)) < 0)
+		goto NoCons;
+	dup(cons, 1);
+	dup(cons, 2);
+	close(cons);
+	return 0;
+}
--- /dev/null
+++ b/sys/src/cmd/aux/statusmsg.c
@@ -1,0 +1,204 @@
+#include <u.h>
+#include <libc.h>
+#include <draw.h>
+#include <bio.h>
+#include <event.h>
+#include <keyboard.h>
+
+int newwin(char*);
+
+int nokill;
+int textmode;
+char *title = nil;
+char *message = nil;
+Biobuf *bout;
+
+Image *light;
+Image *text;
+Rectangle rtext;
+
+void
+initcolor(void)
+{
+	enum{
+		Ctext,
+		Clight,
+		Ncols,
+	};
+	Theme th[Ncols] = {
+		[Ctext] { "text",	DBlack },
+		[Clight] { "back",	0xEAFFEAFF },
+	};
+	readtheme(th, nelem(th), nil);
+	text = allocimage(display, Rect(0,0,1,1), screen->chan, 1, th[Ctext].c);
+	light = allocimage(display, Rect(0,0,1,1), screen->chan, 1, th[Clight].c);
+	if(text == nil || light == nil) sysfatal("initcolor: %r");
+}
+
+void
+drawmsg(void)
+{
+	if(textmode){
+		static int last = 0;
+
+		while(last-- > 0)
+			Bputc(bout, '\b');
+		Bwrite(bout, message, strlen(message));
+		Bflush(bout);
+		last = utflen(message);
+		return;
+	}
+	draw(screen, rtext, light, nil, ZP);
+	string(screen, rtext.min, text, ZP, display->defaultfont, message);
+	flushimage(display, 1);
+}
+
+void
+eresized(int new)
+{
+	if(new && getwindow(display, Refnone) < 0)
+		fprint(2,"can't reattach to window");
+	rtext = screen->r;
+	draw(screen, rtext, light, nil, ZP);
+	rtext.min.x += 4;
+	rtext.min.y += 4;
+	if(title){
+		string(screen, rtext.min, text, ZP, display->defaultfont, title);
+		rtext.min.y += 8+display->defaultfont->height;
+	}
+	rtext.max.y = rtext.min.y + display->defaultfont->height;
+	drawmsg();
+}
+
+void
+msg(Biobuf *b)
+{
+	char *p;
+	Event e;
+	int k, die, parent, child;
+
+	parent = getpid();
+
+	die = 0;
+	if(textmode){
+		child = -1;
+		if(title){
+			Bwrite(bout, title, strlen(title));
+			Bwrite(bout, ": ", 2);
+			Bflush(bout);
+		}
+	} else
+	switch(child = rfork(RFMEM|RFPROC)) {
+	case 0:
+		sleep(1000);
+		while(!die && (k = eread(Ekeyboard|Emouse, &e))) {
+			if(nokill==0 && k == Ekeyboard && (e.kbdc == Kdel || e.kbdc == Ketx)) {
+				die = 1;
+				postnote(PNPROC, parent, "interrupt");
+				_exits("interrupt");
+			}
+		}
+		_exits(0);
+	}
+	while(!die && (p = Brdline(b, '\n'))){
+		snprint(message, Bsize, "%.*s", utfnlen(p, Blinelen(b)-1), p);
+		drawmsg();
+	}
+	if(textmode){
+		Bwrite(bout, "\n", 1);
+		Bterm(bout);
+	}
+	postnote(PNPROC, child, "kill");
+}
+
+
+void
+usage(void)
+{
+	fprint(2, "usage: %s [-kt] [-w minx,miny,maxx,maxy] [title]\n", argv0);
+	exits("usage");
+}
+
+void
+main(int argc, char **argv)
+{
+	Biobuf b;
+	char *p, *q;
+	int lfd;
+
+	p = "0,0,200,60";
+	
+	ARGBEGIN{
+	case 'w':
+		p = ARGF();
+		break;
+	case 't':
+		textmode = 1;
+		break;
+	case 'k':
+		nokill = 1;
+		break;
+	default:
+		usage();
+	}ARGEND;
+
+	switch(argc){
+	default:
+		usage();
+	case 1:
+		title = argv[0];
+	case 0:
+		break;
+	}
+	lfd = dup(0, -1);
+
+	while(q = strchr(p, ','))
+		*q = ' ';
+	Binit(&b, lfd, OREAD);
+	if((message = malloc(Bsize)) == nil)
+		sysfatal("malloc: %r");
+	memset(message, 0, Bsize);
+	if(textmode || newwin(p) < 0){
+		textmode = 1;
+		if((bout = Bfdopen(1, OWRITE)) == nil)
+			sysfatal("Bfdopen: %r");
+	}else{
+		if(initdraw(0, 0, title ? title : argv0) < 0)
+			sysfatal("initdraw: %r");
+		initcolor();
+		einit(Emouse|Ekeyboard);
+		eresized(0);
+	}
+	msg(&b);
+
+	exits(0);
+}
+
+int
+newwin(char *win)
+{
+	char spec[100];
+	int cons;
+
+	if(win != nil){
+		snprint(spec, sizeof(spec), "-r %s", win);
+		win = spec;
+	}
+	if(newwindow(win) < 0){
+		fprint(2, "%s: newwindow: %r", argv0);
+		return -1;
+	}
+	if((cons = open("/dev/cons", OREAD)) < 0){
+	NoCons:
+		fprint(2, "%s: can't open /dev/cons: %r", argv0);
+		return -1;
+	}
+	dup(cons, 0);
+	close(cons);
+	if((cons = open("/dev/cons", OWRITE)) < 0)
+		goto NoCons;
+	dup(cons, 1);
+	dup(cons, 2);
+	close(cons);
+	return 0;
+}