From 551d19205bfc1d20a1ff546bf09655322122ba46 Mon Sep 17 00:00:00 2001
From: Thorsten Ball <mrnugget@gmail.com>
Date: Thu, 18 Jan 2024 06:38:08 +0100
Subject: [PATCH] gtk: respect minimum split size when using resize keys

This is the GTK equivalent of #1304.
---
 src/apprt/gtk/Split.zig | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/apprt/gtk/Split.zig b/src/apprt/gtk/Split.zig
index af44bc758..e6d1bd787 100644
--- a/src/apprt/gtk/Split.zig
+++ b/src/apprt/gtk/Split.zig
@@ -163,10 +163,15 @@ fn removeChild(
 
 /// Move the divider in the given direction by the given amount.
 pub fn moveDivider(self: *Split, direction: input.SplitResizeDirection, amount: u16) void {
+    const min_pos = 10;
+
     const pos = c.gtk_paned_get_position(self.paned);
     const new = switch (direction) {
-        .up, .left => pos - amount,
-        .down, .right => pos + amount,
+        .up, .left => @max(pos - amount, min_pos),
+        .down, .right => new_pos: {
+            const max_pos: u16 = @as(u16, @intFromFloat(self.maxPosition())) - min_pos;
+            break :new_pos @min(pos + amount, max_pos);
+        },
     };
 
     c.gtk_paned_set_position(self.paned, new);