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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364const std = @import("std");const log = std.log.scoped(.main);const vaxis = @import("vaxis");
const TextView = vaxis.widgets.TextView;
const Event = union(enum) { key_press: vaxis.Key, winsize: vaxis.Winsize,};
pub fn main(init: std.process.Init) !void { const io = init.io; const alloc = init.gpa;
var buffer: [1024]u8 = undefined; var tty: vaxis.Tty = try .init(io, &buffer); defer tty.deinit();
var vx = try vaxis.init(io, alloc, init.environ_map, .{}); defer vx.deinit(alloc, tty.writer());
var loop: vaxis.Loop(Event) = .init(io, &tty, &vx); try loop.start(); defer loop.stop();
try vx.enterAltScreen(tty.writer()); try vx.queryTerminal(tty.writer(), .fromSeconds(20));
var text_view = TextView{}; var text_view_buffer = TextView.Buffer{}; defer text_view_buffer.deinit(alloc); try text_view_buffer.append(alloc, .{ .bytes = "Press Enter to add a line, Up/Down to scroll, 'c' to close." });
var counter: i32 = 0; var lineBuf: [128]u8 = undefined;
while (true) { const event = try loop.nextEvent(); switch (event) { .key_press => |key| { // Close demo if (key.matches('c', .{})) break; if (key.matches(vaxis.Key.enter, .{})) { counter += 1; const new_content = try std.fmt.bufPrint(&lineBuf, "\nLine {d}", .{counter}); try text_view_buffer.append(alloc, .{ .bytes = new_content }); } text_view.input(key); }, .winsize => |ws| try vx.resize(alloc, tty.writer(), ws), } const win = vx.window(); win.clear(); text_view.draw(win, text_view_buffer); try vx.render(tty.writer()); try tty.writer().flush(); }}
test { std.testing.refAllDecls(@This());}