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cli: fix list-themes preview lifecycle (#13466)

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Start the vaxis event loop so the theme preview can receive terminal
input, and retain its environment map for as long as vaxis may access
it.
This commit is contained in:
Jeffrey C. Ollie
2026-07-28 09:21:34 -05:00
committed by GitHub
parent 74f45b3219 d320cd7df2
commit 6e21f41c0c
1 changed files with 9 additions and 5 deletions
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14
src/cli/list_themes.zig
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@@ -241,6 +241,7 @@ const Preview = struct {
allocator: std.mem.Allocator,
should_quit: bool,
tty: vaxis.Tty,
env_map: std.process.Environ.Map,
vx: vaxis.Vaxis,
mouse: ?vaxis.Mouse,
themes: []ThemeListElement,
@@ -264,16 +265,15 @@ const Preview = struct {
theme_filter: ColorScheme,
buf: []u8,
) !*Preview {
var env_map = try global.environMap();
defer env_map.deinit();
const self = try allocator.create(Preview);
errdefer allocator.destroy(self);
self.* = .{
.allocator = allocator,
.should_quit = false,
.tty = try .init(global.io(), buf),
.vx = try vaxis.init(global.io(), allocator, &env_map, .{}),
.env_map = try global.environMap(),
.vx = undefined,
.mouse = null,
.themes = themes,
.filtered = try .initCapacity(allocator, themes.len),
@@ -285,6 +285,7 @@ const Preview = struct {
.text_input = .init(allocator),
.theme_filter = theme_filter,
};
self.vx = try vaxis.init(global.io(), allocator, &self.env_map, .{});
try self.updateFiltered();
@@ -296,14 +297,17 @@ const Preview = struct {
self.filtered.deinit(allocator);
self.text_input.deinit();
self.vx.deinit(allocator, self.tty.writer());
self.env_map.deinit();
self.tty.deinit();
allocator.destroy(self);
}
pub fn run(self: *Preview) !void {
var loop: vaxis.Loop(Event) = .init(global.io(), &self.tty, &self.vx);
const writer = self.tty.writer();
try loop.start();
defer loop.stop();
const writer = self.tty.writer();
try self.vx.enterAltScreen(writer);
try self.vx.setTitle(writer, "👻 Ghostty Theme Preview 👻");
try self.vx.queryTerminal(writer, .fromSeconds(1));