From 2605613019a843accd49a2a7fe38d3b83f0cea1b Mon Sep 17 00:00:00 2001
From: Tim Culverhouse <tim@timculverhouse.com>
Date: Tue, 2 Jul 2024 11:27:46 -0500
Subject: [PATCH] vaxis: conditionally rely on terminal wrap to reposition
 cursor

If the text was printed with a wrap, and we can determine this from the
`print` method in Window, then we rely on the terminal for wrapping.
This can help with primary screen text reflowing on resize
---
 src/Cell.zig   | 3 +++
 src/Vaxis.zig  | 4 +++-
 src/Window.zig | 1 +
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/Cell.zig b/src/Cell.zig
index 15d5484..e8a2197 100644
--- a/src/Cell.zig
+++ b/src/Cell.zig
@@ -6,6 +6,9 @@ style: Style = .{},
 link: Hyperlink = .{},
 image: ?Image.Placement = null,
 default: bool = false,
+/// Set to true if this cell is the last cell printed in a row before wrap. Vaxis will determine if
+/// it should rely on the terminal's autowrap feature which can help with primary screen resizes
+wrapped: bool = false,
 
 /// Segment is a contiguous run of text that has a constant style
 pub const Segment = struct {
diff --git a/src/Vaxis.zig b/src/Vaxis.zig
index 18924a3..fc25ebe 100644
--- a/src/Vaxis.zig
+++ b/src/Vaxis.zig
@@ -366,7 +366,9 @@ pub fn render(self: *Vaxis, tty: AnyWriter) !void {
         if (col >= self.screen.width) {
             row += 1;
             col = 0;
-            reposition = true;
+            // Rely on terminal wrapping to reposition into next row instead of forcing it
+            if (!cell.wrapped)
+                reposition = true;
         }
         // If cell is the same as our last frame, we don't need to do
         // anything
diff --git a/src/Window.zig b/src/Window.zig
index 74b9eff..4181670 100644
--- a/src/Window.zig
+++ b/src/Window.zig
@@ -309,6 +309,7 @@ pub fn print(self: Window, segments: []const Segment, opts: PrintOptions) !Print
                         },
                         .style = segment.style,
                         .link = segment.link,
+                        .wrapped = col + w >= self.width,
                     });
                     col += w;
                 }