Files
zterm/examples/container.zig
2025-02-14 21:49:30 +01:00

111 lines
3.5 KiB
Zig

const std = @import("std");
const zterm = @import("zterm");
const App = zterm.App(union(enum) {});
const Key = zterm.Key;
const log = std.log.scoped(.example);
pub fn main() !void {
errdefer |err| log.err("Application Error: {any}", .{err});
// TODO: maybe create own allocator as some sort of arena allocator to have consistent memory usage
var gpa = std.heap.GeneralPurposeAllocator(.{}){};
defer {
const deinit_status = gpa.deinit();
if (deinit_status == .leak) {
log.err("memory lead", .{});
}
}
const allocator = gpa.allocator();
var app: App = .{};
var renderer = zterm.Renderer.Buffered.init(allocator);
defer renderer.deinit();
var container = try App.Container.init(allocator, .{
.border = .{
.color = .blue,
.corners = .rounded,
.sides = .all(),
.separator = .{ .enabled = false },
},
.layout = .{
.gap = 0,
.padding = .all(5),
.direction = .horizontal,
},
});
var box = try App.Container.init(allocator, .{
.rectangle = .{ .fill = .blue },
.layout = .{
.gap = 1,
.direction = .vertical,
.padding = .vertical(1),
.sizing = .{
// .width = .{ .fixed = 700 },
// .height = .{ .fixed = 180 },
},
},
});
try box.append(try App.Container.init(allocator, .{
.rectangle = .{ .fill = .light_green },
}));
try box.append(try App.Container.init(allocator, .{
.rectangle = .{ .fill = .light_green },
}));
try box.append(try App.Container.init(allocator, .{
.rectangle = .{ .fill = .light_green },
}));
try container.append(box);
try container.append(try App.Container.init(allocator, .{
.border = .{ .color = .light_blue, .corners = .squared },
}));
try container.append(try App.Container.init(allocator, .{
.rectangle = .{ .fill = .blue },
}));
defer container.deinit();
// NOTE: should the min-size here be required?
try app.start();
defer app.stop() catch |err| log.err("Failed to stop application: {any}", .{err});
// event loop
while (true) {
const event = app.nextEvent();
log.debug("received event: {s}", .{@tagName(event)});
switch (event) {
.init => {
try container.handle(event);
continue; // do not render
},
.quit => break,
.resize => |size| try renderer.resize(size),
.key => |key| {
if (key.matches(.{ .cp = 'q' })) app.quit();
if (key.matches(.{ .cp = 'n', .mod = .{ .ctrl = true } })) {
try app.interrupt();
defer app.start() catch @panic("could not start app event loop");
var child = std.process.Child.init(&.{"hx"}, allocator);
_ = child.spawnAndWait() catch |err| app.postEvent(.{
.err = .{
.err = err,
.msg = "Spawning $EDITOR failed",
},
});
}
},
.err => |err| {
log.err("Received {any} with message: {s}", .{ @errorName(err.err), err.msg });
},
else => {},
}
try container.handle(event);
try renderer.render(@TypeOf(container), &container);
try renderer.flush();
}
}