104 lines
2.7 KiB
Zig
104 lines
2.7 KiB
Zig
const std = @import("std");
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const vaxis = @import("vaxis");
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const Cell = vaxis.Cell;
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const Event = union(enum) {
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key_press: vaxis.Key,
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winsize: vaxis.Winsize,
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};
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pub const panic = vaxis.panic_handler;
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pub fn main() !void {
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var gpa = std.heap.GeneralPurposeAllocator(.{}){};
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defer {
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const deinit_status = gpa.deinit();
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//fail test; can't try in defer as defer is executed after we return
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if (deinit_status == .leak) {
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std.log.err("memory leak", .{});
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}
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}
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const alloc = gpa.allocator();
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var tty = try vaxis.Tty.init();
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var vx = try vaxis.init(alloc, .{});
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defer vx.deinit(alloc, tty.anyWriter());
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var loop: vaxis.Loop(Event) = .{ .tty = &tty, .vaxis = &vx };
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try loop.init();
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try loop.start();
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defer loop.stop();
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try vx.enterAltScreen(tty.anyWriter());
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try vx.queryTerminal(tty.anyWriter(), 1 * std.time.ns_per_s);
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var env = try std.process.getEnvMap(alloc);
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defer env.deinit();
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const vt_opts: vaxis.widgets.Terminal.Options = .{
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.winsize = .{
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.rows = 24,
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.cols = 100,
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.x_pixel = 0,
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.y_pixel = 0,
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},
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.scrollback_size = 0,
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};
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const shell = env.get("SHELL") orelse "bash";
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const argv = [_][]const u8{shell};
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var vt = try vaxis.widgets.Terminal.init(
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alloc,
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&argv,
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&env,
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&vx.unicode,
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vt_opts,
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);
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defer vt.deinit();
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try vt.spawn();
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while (true) {
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std.time.sleep(8 * std.time.ns_per_ms);
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// try vt events first
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while (vt.tryEvent()) |event| {
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switch (event) {
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.bell => {},
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.title_change => {},
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.exited => return,
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}
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}
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while (loop.tryEvent()) |event| {
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switch (event) {
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.key_press => |key| {
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if (key.matches('c', .{ .ctrl = true })) return;
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try vt.update(.{ .key_press = key });
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},
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.winsize => |ws| {
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try vx.resize(alloc, tty.anyWriter(), ws);
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},
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}
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}
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const win = vx.window();
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win.hideCursor();
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win.clear();
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const child = win.child(.{
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.x_off = 4,
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.y_off = 2,
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.width = .{ .limit = win.width - 8 },
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.height = .{ .limit = win.width - 6 },
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.border = .{
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.where = .all,
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},
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});
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try vt.resize(.{
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.rows = child.height,
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.cols = child.width,
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.x_pixel = 0,
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.y_pixel = 0,
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});
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try vt.draw(child);
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try vx.render(tty.anyWriter());
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}
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}
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