file_watch + builtins + config: richer watch semantics, new builtins, config docs

1 files changed, 36 insertions, 4 deletions

diff --git a/src/builtins.zig b/src/builtins.zig
index d42aeafc..3f1c5f85 100644
--- a/src/builtins.zig
+++ b/src/builtins.zig
@@ -325,6 +325,37 @@ pub const ThemeSel = struct {
     }
 };
 
+/// Load one complete Theme value from a .zon file. Relative paths are rooted
+/// at the per-user pardes directory, so an init line can simply say
+/// `ThemeFile themes/mine.zon`. The native host owns the read and watch; the
+/// core owns parsing and keeps the last valid value across a bad live edit.
+pub const ThemeFile = struct {
+    pub const takes_arg = true;
+    pub const enabled = pardes.platform != .web;
+    pub fn run(c: Ctx) void {
+        if (comptime enabled)
+            c.p.requestThemeFile(c.id, c.arg orelse return)
+        else
+            unreachable;
+    }
+};
+
+/// Materialize every compiled theme as editable ZON under
+/// `<config>/themes/builtin`. Filesystem work remains a host effect, just like
+/// Dump and Save; the build-time ring itself is the sole source of the data.
+pub const DumpThemes = struct {
+    pub const enabled = pardes.platform != .web;
+    pub fn run(c: Ctx) void {
+        if (comptime enabled) {
+            if (c.p.opts.config_dir == null) {
+                c.p.reportError(c.id, "dump themes", error.NoConfigDirectory);
+                return;
+            }
+            c.p.emit(.{ .dump_themes = .{ .pane = @intCast(c.id) } });
+        } else unreachable;
+    }
+};
+
 // ---- the GUI's font list, and NOTHING on any other platform ----
 //
 // Runtime settings such as Font are generated from runtime_config.settings.
@@ -579,10 +610,11 @@ pub const Help = struct {
 ///
 /// The one question docs/config.md cannot answer, because the answer depends
 /// on the machine: XDG_CONFIG_HOME if it is set and absolute, else
-/// ~/Library/Application Support/pardes on macOS and ~/.config/pardes
-/// everywhere else. Printing it beats documenting it — the row is ordinary
-/// text, so a right click on it opens the file, and when there is no file
-/// there yet the path is still exactly what you needed to know.
+/// ~/Library/Application Support/pardes/init on macOS and
+/// ~/.config/pardes/init everywhere else. Printing it beats documenting it —
+/// the row is ordinary text, so a right click on it opens the file, and when
+/// there is no file there yet the path is still exactly what you needed to
+/// know.
 pub const Config = struct {
     pub const output: OutputTraits = .{ .name = config.config_buffer };
     pub fn run(c: Ctx) void {