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|
use libui;
use libui::widget;
use libui::widget::list;
use libui::layout;
use encoding::utf8;
use io;
use fmt;
use os;
use strings;
use unix::tty;
use unix::signal;
use bufio;
use regex;
let u: mainUI = mainUI {...};
let searchterm: str = "";
let searchforward: bool = true;
type mainUI = struct {
list: *list::listwidget,
};
fn globalrunehandler(ui: *libui::ttyui, r: rune) bool = {
if (r == 'q') {
return true;
};
return false;
};
fn runehandler(l: *widget::widget, r: rune) bool = {
const l = l: *list::listwidget;
switch (r) {
case 'j' =>
list::down(l);
case 'k' =>
list::up(l);
case 'd' =>
list::pagedown(l);
case 'u' =>
list::pageup(l);
case 'l' =>
// to print properly suspend the ui, print, then resume
libui::suspend(&l.ui);
//fmt::println(l.items[l.cursor])!;
match (list::selected(*l)) {
case let s: str =>
fmt::println(s)!;
case let s: []str =>
defer free(s);
const out = strings::join("\n", s...);
defer free(out);
fmt::println(out)!;
};
libui::resume(&l.ui);
return true;
case 'g' =>
list::top(l);
case 'G' =>
list::bottom(l);
case 'n' =>
if (searchforward) {
list::search(l, searchterm);
} else {
list::rsearch(l, searchterm);
};
case 'N' =>
if (searchforward) {
list::rsearch(l, searchterm);
} else {
list::search(l, searchterm);
};
case '?' =>
// TODO add commandline support maybe
libui::suspend(&l.ui);
fmt::fprint(l.ui.f, '?')!;
let line = match (bufio::scanline(l.ui.f)) {
case let s: []u8 =>
yield s;
case io::EOF =>
fmt::fprintln(os::stderr, "EOF")!;
return true;
case let e: io::error =>
fmt::fprintln(os::stderr, io::strerror(e))!;
return true;
};
//defer free(line);
searchterm = strings::fromutf8(line);
searchforward = false;
let c = l.cursor;
list::rsearch(l, searchterm);
libui::resume(&l.ui);
case '/' =>
// TODO add commandline support maybe
libui::suspend(&l.ui);
fmt::fprint(l.ui.f, '/')!;
let line = match (bufio::scanline(l.ui.f)) {
case let s: []u8 =>
yield s;
case io::EOF =>
fmt::fprintln(os::stderr, "EOF")!;
return true;
case let e: io::error =>
fmt::fprintln(os::stderr, io::strerror(e))!;
return true;
};
//defer free(line);
searchterm = strings::fromutf8(line);
searchforward = true;
let c = l.cursor;
list::search(l, searchterm);
libui::resume(&l.ui);
case 's' =>
// TODO add commandline support maybe
libui::suspend(&l.ui);
fmt::fprint(l.ui.f, "s: ")!;
let line = match (bufio::scanline(l.ui.f)) {
case let s: []u8 =>
yield s;
case io::EOF =>
fmt::fprintln(os::stderr, "EOF")!;
return true;
case let e: io::error =>
fmt::fprintln(os::stderr, io::strerror(e))!;
return true;
};
defer free(line);
list::containsmark(l, strings::fromutf8(line));
libui::resume(&l.ui);
case 'S' =>
// TODO add commandline support maybe
libui::suspend(&l.ui);
fmt::fprint(l.ui.f, "S: ")!;
let line = match (bufio::scanline(l.ui.f)) {
case let s: []u8 =>
yield s;
case io::EOF =>
fmt::fprintln(os::stderr, "EOF")!;
return true;
case let e: io::error =>
fmt::fprintln(os::stderr, io::strerror(e))!;
return true;
};
defer free(line);
list::fnmatchmark(l, strings::fromutf8(line));
libui::resume(&l.ui);
case 'r' =>
// TODO add commandline support maybe
libui::suspend(&l.ui);
fmt::fprint(l.ui.f, "r: ")!;
let line = match (bufio::scanline(l.ui.f)) {
case let s: []u8 =>
yield s;
case io::EOF =>
fmt::fprintln(os::stderr, "EOF")!;
return true;
case let e: io::error =>
fmt::fprintln(os::stderr, io::strerror(e))!;
return true;
};
defer free(line);
match (regex::compile(strings::fromutf8(line))) {
case let re: regex::regex =>
list::regexmark(l, &re);
regex::finish(&re);
case let e: regex::error =>
fmt::fprintln(os::stderr, regex::strerror(e))!;
};
libui::resume(&l.ui);
case ' ' =>
list::tmark(l);
list::down(l);
case 'c' =>
list::clearmarked(l);
case '\n' =>
// For some reason enter doesn't send r == '\n'
fmt::fprintln(os::stderr, "This is not detected")!;
yield;
case =>
let us = utf8::encoderune(r);
if (len(us) > 0 && us[0] == 13u8) {
fmt::fprintln(os::stderr, "newline")!;
};
yield;
};
libui::clear(l.ui);
match (list::print(l)) {
case void =>
yield;
case let e: io::error =>
fmt::fprintln(os::stderr, io::strerror(e))!;
return true;
case let e: tty::error =>
fmt::fprintln(os::stderr, tty::strerror(e))!;
return true;
};
return false;
};
fn sighandler(sig: int, info: *signal::siginfo, ucontext: *void) void = {
switch (sig) {
case signal::SIGWINCH =>
let sz = libui::getwinsize(u.list.ui)!;
let rows: (u16 | size) = if (sz.rows - 2 < len(u.list.items)) {
yield sz.rows - 2;
} else {
yield len(u.list.items);
};
u.list.sz.rows = rows: u16;
u.list.sz.cols = sz.columns;
};
};
export fn main() void = {
let in = match (io::drain(os::stdin)) {
case let in: []u8 =>
yield in;
case let e: io::error =>
fmt::fatal(io::strerror(e));
};
defer free(in);
let sin = strings::fromutf8(in);
sin = strings::trim(sin, '\n');
let items = strings::split(sin, "\n");
let ui = libui::init();
defer libui::finish(&ui);
let l = list::newlist(ui, items...);
libui::addlistener(&ui, &globalrunehandler);
widget::addlistener(&l, &runehandler);
let layout = layout::newlayout(&l);
defer layout::finishall(&layout);
//defer free(searchterm);
libui::clear(l.ui);
match (layout::print(layout)) {
case void =>
yield;
case let e: io::error =>
fmt::fprintln(os::stderr, io::strerror(e))!;
return;
case let e: tty::error =>
fmt::fprintln(os::stderr, tty::strerror(e))!;
return;
};
//match (list::print(&l)) {
//case void =>
//yield;
//case let e: io::error =>
//fmt::fprintln(os::stderr, io::strerror(e))!;
//return;
//case let e: tty::error =>
//fmt::fprintln(os::stderr, tty::strerror(e))!;
//return;
//};
u = mainUI {
list = &l,
};
const sigs = signal::handle(signal::SIGWINCH, &sighandler, signal::flag::RESTART);
defer signal::restore(signal::SIGWINCH, &sigs);
for (true) {
let r = match (libui::scan(ui)) {
case let r: rune =>
yield r;
case utf8::invalid =>
fmt::fprintln(os::stderr, "Invalid utf8 sequence")!;
break;
case io::EOF =>
fmt::fprintln(os::stderr, "EOF")!;
break;
case let e: io::error =>
fmt::fprintln(os::stderr, io::strerror(e))!;
break;
};
if (libui::notify(&ui, r)) {
break;
};
if (list::notify(&l, r)) {
break;
};
};
};
@fini fn finish() void = {
free(searchterm);
};
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