From edad6d960dc0fc1165cbb3b801e0538045b2247f Mon Sep 17 00:00:00 2001
From: Gabriel Schneider <gbrls@0x4200.cafe>
Date: Thu, 1 Oct 2026 10:09:54 -0300
Subject: A +Pager keeps its program's colours: the session parses what /pager
 is written after its directory with ghostty-vt, SGR becomes spans drawn over
 the plain text, every other escape is dropped, and PagerColor off pages it
 plain

---
 src/pardes.zig | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'src/pardes.zig')

diff --git a/src/pardes.zig b/src/pardes.zig
index c6850451..5d9f8606 100644
--- a/src/pardes.zig
+++ b/src/pardes.zig
@@ -11,6 +11,7 @@ pub const ctlfs = @import("ninep/tree.zig");
 pub const syntax = @import("syntax.zig");
 const tracy = @import("tracy.zig");
 pub const panes = @import("panes.zig");
+pub const pager = @import("pager.zig");
 const locations = @import("locations.zig");
 pub const tagline = @import("tagline.zig");
 pub const exec = @import("exec.zig");
@@ -496,6 +497,7 @@ test {
     _ = @import("recent.zig");
     _ = @import("Presentation.zig");
     _ = @import("animation.zig");
+    _ = @import("pager.zig");
 }
 
 pub const Builtin = builtins.registry.Builtin();
@@ -4221,7 +4223,8 @@ pub const Options = struct {
     file: ?[]const u8 = null,
     file_line: usize = 0,
     missing: ?struct { word: []const u8, dir: []const u8 } = null,
-    /// `pardes -`: stdin, its escapes stripped, for a +Pager pane at boot.
+    /// `pardes -`: stdin as it came, for a +Pager pane at boot (pager.zig
+    /// parses it).
     stdin_text: ?[]const u8 = null,
     tty_toggle: u21 = config.tty_toggle_default,
     /// load a dump of another instance instead of spawning shells (acme -l)
@@ -4638,7 +4641,9 @@ pub const Pardes = struct {
                 p.oneColumn();
             },
             .stdin => {
-                const content = try gpa.dupe(u8, opts.stdin_text.?);
+                const page = try pager.parse(gpa, opts.stdin_text.?, p.settings.pager_color);
+                errdefer gpa.free(page.spans);
+                const content = page.text;
                 errdefer gpa.free(content);
                 const dir = p.sessionDir();
                 const shown = try panes.Output.open(p, 0, dir, .{ .cmd = .New }, "", content);
@@ -4647,6 +4652,7 @@ pub const Pardes = struct {
                 gpa.free(shown.file.?.path);
                 shown.file.?.path = named;
                 shown.file.?.pager_diff = panes.File.looksLikeDiff(content[0..@min(content.len, 64 * 1024)]);
+                shown.file.?.pager_spans = page.spans;
                 p.oneColumn();
             },
             .embedded => {
@@ -5748,6 +5754,8 @@ pub const Pardes = struct {
         if (v.now) |clock| p.advance(clock(h.ctx));
         // What a 9P open wrote in a row goes in once the writes pause.
         ctlfs.pane.flushPausedBatch(p);
+        // ...and what a /pager open was written before its close.
+        ctlfs.ctl.fillClosedPagers(p);
         while (p.nextQueued()) |ev| p.update(ev);
         while (p.nextEffect()) |e| p.perform(e);
         turn.settle();
-- 
cgit v1.3