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|
use libui;
use libui::list;
use encoding::utf8;
use io;
use fmt;
use os;
use strings;
use unix::tty;
use unix::signal;
//let l: list::listwidget = list::listwidget {...};
let u: mainUI = mainUI {...};
type mainUI = struct {
list: *list::listwidget,
};
fn globalrunehandler(ui: *libui::ttyui, r: rune) bool = {
if (r == 'q') {
return true;
};
return false;
};
fn runehandler(l: *list::listwidget, r: rune) bool = {
switch (r) {
case 'f' =>
fmt::fprintln(os::stderr, "f in chat")!;
case 'j' =>
list::down(l);
case 'k' =>
list::up(l);
case 'l' =>
// to print properly suspend the ui, print, then resume
libui::suspend(&l.ui);
fmt::println(l.items[l.cursor])!;
libui::resume(&l.ui);
return true;
case 'g' =>
list::top(l);
//l.cursor = 0;
case 'G' =>
list::bottom(l);
//l.cursor = len(l.items) - 1;
case '/' =>
// TODO add commandline support
fmt::fprintln(os::stderr, "searching")!;
let c = l.cursor;
if (list::search(l, "workspace") != c) {
fmt::fprintln(os::stderr, "changed")!;
};
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 =>
fmt::fprintln(os::stderr, "winch")!;
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");
defer free(items);
let ui = libui::init();
defer libui::finish(&ui);
let l = list::newlist(ui, items...);
libui::addlistener(&ui, &globalrunehandler);
list::addlistener(&l, &runehandler);
libui::clear(l.ui);
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,
};
signal::handle(signal::SIGWINCH, &sighandler, signal::flag::RESTART);
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;
};
};
};
|
