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const std = @import("std");
const vaxis = @import("vaxis");
const ghostty_vt = @import("ghostty-vt");
extern "c" fn forkpty(
amaster: *c_int,
name: ?[*:0]u8,
termp: ?*const anyopaque,
winp: ?*const std.posix.winsize,
) c_int;
extern "c" fn execvp(
file: [*:0]const u8,
argv: [*:null]const ?[*:0]const u8,
) c_int;
// basic file navigation
// basic shell io
// basic layouting: for now following acme and ad
// * /home/goblin/05-genizah/plan9port/src/cmd/acme
// * /home/goblin/05-genizah/ad
// * /usr/lib/zig
// * ../03-plano
// right click and enter on lines to open files at specified lines
pub const Command = struct {
prev: ?*Command = null,
pub var value: union(enum) {
close,
ping,
nop,
quit,
tick,
key_press: vaxis.Key,
winsize: vaxis.Winsize,
mouse: vaxis.Mouse,
} = .nop;
};
const Loop = vaxis.Loop(@TypeOf(Command.value));
const MAX_FILES: usize = 0x200;
fn ticker(io: std.Io, loop: *Loop) void {
while (true) {
io.sleep(.fromMilliseconds(2), .awake) catch return;
_ = loop.tryPostEvent(.tick) catch return;
}
}
fn fork_pty(argv: [:0]const u8, ws: std.posix.winsize) std.Io.File {
var master: c_int = undefined;
const pid = forkpty(&master, null, null, &ws);
if (pid == 0) {
_ = execvp(argv, &.{});
std.process.exit(0);
}
// not sure about the false here
const f: std.Io.File = .{ .handle = master, .flags = .{ .nonblocking = false } };
return f;
}
const nrows = 16;
const ncols = 80;
pub fn main(init: std.process.Init) !void {
const io = init.io;
const gpa = init.gpa;
var term: ghostty_vt.Terminal = try .init(gpa, .{
.cols = ncols,
.rows = nrows,
});
defer term.deinit(gpa);
var tty_reader = term.vtStream();
defer tty_reader.deinit();
// const str = try term.plainString(gpa);
var tty_buf: [0x10000]u8 = undefined;
var tty = try vaxis.Tty.init(io, &tty_buf);
var vx = try vaxis.init(io, gpa, init.environ_map, .{});
defer vx.deinit(gpa, tty.writer());
const pty_master = fork_pty("/usr/bin/bash", .{
.row = nrows,
.col = ncols,
.xpixel = 0,
.ypixel = 0,
});
var write_buf: [0x100]u8 = undefined;
var writer = pty_master.writer(io, &write_buf);
std.debug.print("written {}\n", .{try writer.interface.write("ls -la /\r\n")});
try writer.flush();
var read_buf: [0x400]u8 = undefined;
var reader = pty_master.readerStreaming(io, &read_buf);
try io.sleep(.fromMilliseconds(200), .real);
const str = try reader.interface.readAlloc(gpa, 0x400);
tty_reader.nextSlice(str);
defer gpa.free(str);
const tty_str = try term.plainString(gpa);
defer gpa.free(tty_str);
// std.debug.print("{s}", .{tty_str});
// try vx.setMouseMode(tty.writer(), true);
var loop: Loop = .init(io, &tty, &vx);
try loop.start();
defer loop.stop();
while (true) {
const event = try loop.nextEvent();
const win = vx.window();
const win_child = win.child(.{
.border = .{ .where = .all },
.height = nrows,
.width = ncols,
});
_ = win_child.printSegment(.{ .text = tty_str }, .{});
switch (event) {
.key_press => |key| {
if (key.matches('c', .{ .ctrl = true })) {
break;
}
},
.winsize => |ws| try vx.resize(gpa, tty.writer(), ws),
else => {},
}
try vx.render(tty.writer());
}
}
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