add(examples): split main.zig into examples which can be executed and reviewed independently
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Zig Project Action / Lint, Spell-check and test zig project (push) Successful in 50s
All checks were successful
Zig Project Action / Lint, Spell-check and test zig project (push) Successful in 50s
This commit is contained in:
114
examples/container.zig
Normal file
114
examples/container.zig
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@@ -0,0 +1,114 @@
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const std = @import("std");
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const zterm = @import("zterm");
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const App = zterm.App(
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union(enum) {},
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zterm.Renderer.Direct,
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true,
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);
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const Key = zterm.Key;
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const Layout = App.Layout;
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const Widget = App.Widget;
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const log = std.log.scoped(.container);
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pub fn main() !void {
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errdefer |err| log.err("Application Error: {any}", .{err});
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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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log.err("memory leak", .{});
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}
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}
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const allocator = gpa.allocator();
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var app: App = .{};
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var renderer: App.Renderer = .{};
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// TODO: when not running fullscreen, the application needs to screen down accordingly to display the contents
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// -> size hint how much should it use?
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var layout = Layout.createFrom(layout: {
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var stack = Layout.HContainer.init(allocator, .{
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.{
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Widget.createFrom(blk: {
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var spacer = Widget.Spacer.init();
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break :blk &spacer;
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}),
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15,
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},
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.{
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Layout.createFrom(container: {
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var container = Layout.VContainer.init(allocator, .{
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.{
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Widget.createFrom(blk: {
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var spacer = Widget.Spacer.init();
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break :blk &spacer;
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}),
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25,
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},
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.{
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Widget.createFrom(blk: {
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const file = try std.fs.cwd().openFile("./src/app.zig", .{});
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defer file.close();
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var widget = Widget.RawText.init(allocator, file);
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break :blk &widget;
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}),
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50,
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},
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.{
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Widget.createFrom(blk: {
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var spacer = Widget.Spacer.init();
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break :blk &spacer;
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}),
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25,
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},
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});
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break :container &container;
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}),
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70,
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},
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.{
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Widget.createFrom(blk: {
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var spacer = Widget.Spacer.init();
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break :blk &spacer;
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}),
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15,
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},
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});
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break :layout &stack;
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});
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defer layout.deinit();
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try app.start();
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defer app.stop() catch unreachable;
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// App.Event loop
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while (true) {
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const event = app.nextEvent();
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log.debug("received event: {s}", .{@tagName(event)});
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switch (event) {
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.quit => break,
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.resize => |size| {
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renderer.resize(size);
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},
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.key => |key| {
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// ctrl+c to quit
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if (Key.matches(key, .{ .cp = 'c', .mod = .{ .ctrl = true } })) {
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app.quit();
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}
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},
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.err => |err| {
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log.err("Received {any} with message: {s}", .{ err.err, err.msg });
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},
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}
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const events = try layout.handle(event);
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for (events.items) |e| {
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app.postEvent(e);
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}
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try layout.render(&renderer);
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}
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}
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114
examples/exec.zig
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114
examples/exec.zig
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@@ -0,0 +1,114 @@
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const std = @import("std");
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const zterm = @import("zterm");
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const App = zterm.App(
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union(enum) {},
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zterm.Renderer.Direct,
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true,
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);
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const Key = zterm.Key;
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const Cell = zterm.Cell;
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const Layout = App.Layout;
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const Widget = App.Widget;
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const log = std.log.scoped(.exec);
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pub fn main() !void {
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errdefer |err| log.err("Application Error: {any}", .{err});
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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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log.err("memory leak", .{});
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}
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}
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const allocator = gpa.allocator();
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var app: App = .{};
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var renderer: App.Renderer = .{};
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// TODO: when not running fullscreen, the application needs to screen down accordingly to display the contents
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// -> size hint how much should it use?
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var layout = Layout.createFrom(layout: {
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var container = Layout.VContainer.init(allocator, .{
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.{
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Widget.createFrom(blk: {
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var spacer = Widget.Spacer.init();
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break :blk &spacer;
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}),
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45,
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},
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.{
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Layout.createFrom(framing: {
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var framing = Layout.Framing.init(allocator, .{}, .{
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.widget = Widget.createFrom(blk: {
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var widget = Widget.Text.init(&[_]Cell{
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.{ .content = "Press " },
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.{ .content = "Ctrl+n", .style = .{ .fg = .{ .index = 6 } } },
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.{ .content = " to launch $EDITOR" },
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});
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break :blk &widget;
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}),
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});
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break :framing &framing;
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}),
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10,
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},
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.{
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Widget.createFrom(blk: {
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var spacer = Widget.Spacer.init();
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break :blk &spacer;
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}),
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45,
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},
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});
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break :layout &container;
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});
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defer layout.deinit();
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try app.start();
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defer app.stop() catch unreachable;
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// App.Event loop
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while (true) {
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const event = app.nextEvent();
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log.debug("received event: {s}", .{@tagName(event)});
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switch (event) {
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.quit => break,
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.resize => |size| {
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renderer.resize(size);
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},
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.key => |key| {
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// ctrl+c to quit
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if (Key.matches(key, .{ .cp = 'c', .mod = .{ .ctrl = true } })) {
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app.quit();
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}
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if (Key.matches(key, .{ .cp = 'n', .mod = .{ .ctrl = true } })) {
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try app.interrupt();
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defer app.start() catch @panic("could not start app event loop");
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// TODO: parse environment variables to extract the value of $EDITOR and use it here instead
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var child = std.process.Child.init(&.{"hx"}, allocator);
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_ = child.spawnAndWait() catch |err| {
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app.postEvent(.{
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.err = .{
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.err = err,
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.msg = "Spawning $EDITOR failed",
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},
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});
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};
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}
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},
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.err => |err| {
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log.err("Received {any} with message: {s}", .{ err.err, err.msg });
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},
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}
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const events = try layout.handle(event);
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for (events.items) |e| {
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app.postEvent(e);
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}
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try layout.render(&renderer);
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}
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}
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112
examples/padding.zig
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112
examples/padding.zig
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@@ -0,0 +1,112 @@
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const std = @import("std");
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const zterm = @import("zterm");
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const App = zterm.App(
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union(enum) {},
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zterm.Renderer.Direct,
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true,
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);
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const Key = zterm.Key;
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const Layout = App.Layout;
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const Widget = App.Widget;
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const log = std.log.scoped(.padding);
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pub fn main() !void {
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errdefer |err| log.err("Application Error: {any}", .{err});
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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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log.err("memory leak", .{});
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}
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}
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const allocator = gpa.allocator();
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var app: App = .{};
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var renderer: App.Renderer = .{};
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// TODO: when not running fullscreen, the application needs to screen down accordingly to display the contents
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// -> size hint how much should it use?
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var layout = Layout.createFrom(layout: {
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var padding = Layout.Padding.init(allocator, .{
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.padding = 15,
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}, .{
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.layout = Layout.createFrom(framing: {
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var framing = Layout.Framing.init(
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allocator,
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.{
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.style = .{
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.fg = .{
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.index = 6,
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},
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},
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.frame = .round,
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.title = .{
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.str = "Content in Margin",
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.style = .{
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.ul_style = .single,
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.ul = .{ .index = 6 },
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.bold = true,
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},
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},
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},
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.{
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.layout = Layout.createFrom(margin: {
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var margin = Layout.Margin.init(
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allocator,
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.{
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.margin = 10,
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},
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.{
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.widget = Widget.createFrom(blk: {
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const file = try std.fs.cwd().openFile("./examples/padding.zig", .{});
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defer file.close();
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var widget = Widget.RawText.init(allocator, file);
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break :blk &widget;
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}),
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},
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);
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break :margin &margin;
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}),
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},
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);
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break :framing &framing;
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}),
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});
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break :layout &padding;
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});
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defer layout.deinit();
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try app.start();
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defer app.stop() catch unreachable;
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// App.Event loop
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while (true) {
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const event = app.nextEvent();
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log.debug("received event: {s}", .{@tagName(event)});
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switch (event) {
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.quit => break,
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.resize => |size| {
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renderer.resize(size);
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},
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.key => |key| {
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// ctrl+c to quit
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if (Key.matches(key, .{ .cp = 'c', .mod = .{ .ctrl = true } })) {
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app.quit();
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}
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},
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.err => |err| {
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log.err("Received {any} with message: {s}", .{ err.err, err.msg });
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},
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}
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const events = try layout.handle(event);
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for (events.items) |e| {
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app.postEvent(e);
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}
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try layout.render(&renderer);
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}
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}
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156
examples/stack.zig
Normal file
156
examples/stack.zig
Normal file
@@ -0,0 +1,156 @@
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const std = @import("std");
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const zterm = @import("zterm");
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const App = zterm.App(
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union(enum) {},
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zterm.Renderer.Direct,
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true,
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);
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const Key = zterm.Key;
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const Layout = App.Layout;
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const Widget = App.Widget;
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const log = std.log.scoped(.stack);
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pub fn main() !void {
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errdefer |err| log.err("Application Error: {any}", .{err});
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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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log.err("memory leak", .{});
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}
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}
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const allocator = gpa.allocator();
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var app: App = .{};
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var renderer: App.Renderer = .{};
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// TODO: when not running fullscreen, the application needs to screen down accordingly to display the contents
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// -> size hint how much should it use?
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var layout = Layout.createFrom(layout: {
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var framing = Layout.Framing.init(allocator, .{
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.style = .{
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.fg = .{
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.index = 6,
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},
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},
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.frame = .round,
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.title = .{
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.str = "HStack",
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.style = .{
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.ul_style = .single,
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.ul = .{ .index = 6 },
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.bold = true,
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},
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},
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}, .{
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.layout = Layout.createFrom(hstack: {
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var hstack = Layout.HStack.init(allocator, .{
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Widget.createFrom(blk: {
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var spacer = Widget.Spacer.init();
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break :blk &spacer;
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}),
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Layout.createFrom(framing: {
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var framing = Layout.Framing.init(
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allocator,
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.{
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.style = .{
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.fg = .{
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.index = 6,
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},
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},
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.frame = .round,
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.title = .{
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.str = "VStack",
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.style = .{
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.ul_style = .single,
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.ul = .{ .index = 6 },
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.bold = true,
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},
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},
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},
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.{
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.layout = Layout.createFrom(
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padding: {
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var padding = Layout.Margin.init(
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allocator,
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.{
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.margin = 10,
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},
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.{
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.layout = Layout.createFrom(vstack: {
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var vstack = Layout.VStack.init(allocator, .{
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Widget.createFrom(blk: {
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const file = try std.fs.cwd().openFile("./examples/stack.zig", .{});
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defer file.close();
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var widget = Widget.RawText.init(allocator, file);
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break :blk &widget;
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}),
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Widget.createFrom(blk: {
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var spacer = Widget.Spacer.init();
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break :blk &spacer;
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}),
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Widget.createFrom(blk: {
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const file = try std.fs.cwd().openFile("./examples/stack.zig", .{});
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defer file.close();
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var widget = Widget.RawText.init(allocator, file);
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break :blk &widget;
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}),
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});
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break :vstack &vstack;
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}),
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},
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);
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break :padding &padding;
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},
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),
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},
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);
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break :framing &framing;
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}),
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Widget.createFrom(blk: {
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var spacer = Widget.Spacer.init();
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break :blk &spacer;
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}),
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});
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break :hstack &hstack;
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}),
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});
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break :layout &framing;
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});
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defer layout.deinit();
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try app.start();
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defer app.stop() catch unreachable;
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// App.Event loop
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while (true) {
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const event = app.nextEvent();
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log.debug("received event: {s}", .{@tagName(event)});
|
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|
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switch (event) {
|
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.quit => break,
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.resize => |size| {
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renderer.resize(size);
|
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},
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.key => |key| {
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// ctrl+c to quit
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if (Key.matches(key, .{ .cp = 'c', .mod = .{ .ctrl = true } })) {
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app.quit();
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}
|
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},
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.err => |err| {
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log.err("Received {any} with message: {s}", .{ err.err, err.msg });
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},
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}
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// NOTE: this currently re-renders the screen for every key-press -> which might be a bit of an overkill
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const events = try layout.handle(event);
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for (events.items) |e| {
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app.postEvent(e);
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}
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try layout.render(&renderer);
|
||||
}
|
||||
}
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