From 88653c4e3ea81d0dd13fabd5d5a378d577adae1c Mon Sep 17 00:00:00 2001
From: apricotbucket28 <71973804+apricotbucket28@users.noreply.github.com>
Date: Fri, 26 Jul 2024 22:02:31 -0300
Subject: [PATCH] linux: Respect `window_min_size` property (#15314)

https://github.com/zed-industries/zed/pull/13126 added the
`window_min_size` property for window creation, but it was only
implemented for macOS. This PR implements the property on Linux as well.

Release Notes:

- N/A
---
 crates/gpui/src/platform.rs                      | 1 -
 crates/gpui/src/platform/linux/wayland/window.rs | 5 ++++-
 crates/gpui/src/platform/linux/x11/window.rs     | 9 +++++++++
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/crates/gpui/src/platform.rs b/crates/gpui/src/platform.rs
index 45de306ad2..7bd1b29443 100644
--- a/crates/gpui/src/platform.rs
+++ b/crates/gpui/src/platform.rs
@@ -706,7 +706,6 @@ pub(crate) struct WindowParams {
 
     pub display_id: Option<DisplayId>,
 
-    #[cfg_attr(target_os = "linux", allow(dead_code))]
     pub window_min_size: Option<Size<Pixels>>,
 }
 
diff --git a/crates/gpui/src/platform/linux/wayland/window.rs b/crates/gpui/src/platform/linux/wayland/window.rs
index 9ec5e9e2c0..2efbd1a2ec 100644
--- a/crates/gpui/src/platform/linux/wayland/window.rs
+++ b/crates/gpui/src/platform/linux/wayland/window.rs
@@ -264,7 +264,10 @@ impl WaylandWindow {
             .wm_base
             .get_xdg_surface(&surface, &globals.qh, surface.id());
         let toplevel = xdg_surface.get_toplevel(&globals.qh, surface.id());
-        toplevel.set_min_size(50, 50);
+
+        if let Some(size) = params.window_min_size {
+            toplevel.set_min_size(size.width.0 as i32, size.height.0 as i32);
+        }
 
         if let Some(fractional_scale_manager) = globals.fractional_scale_manager.as_ref() {
             fractional_scale_manager.get_fractional_scale(&surface, &globals.qh, surface.id());
diff --git a/crates/gpui/src/platform/linux/x11/window.rs b/crates/gpui/src/platform/linux/x11/window.rs
index 9e4908627e..b6c775db4e 100644
--- a/crates/gpui/src/platform/linux/x11/window.rs
+++ b/crates/gpui/src/platform/linux/x11/window.rs
@@ -14,6 +14,7 @@ use raw_window_handle as rwh;
 use util::{maybe, ResultExt};
 use x11rb::{
     connection::Connection,
+    properties::WmSizeHints,
     protocol::{
         sync,
         xinput::{self, ConnectionExt as _},
@@ -371,6 +372,14 @@ impl X11WindowState {
                     visual.depth, x_window, visual_set.root, bounds.origin.x.0 + 2, bounds.origin.y.0, bounds.size.width.0, bounds.size.height.0)
             })?;
 
+        if let Some(size) = params.window_min_size {
+            let mut size_hints = WmSizeHints::new();
+            size_hints.min_size = Some((size.width.0 as i32, size.height.0 as i32));
+            size_hints
+                .set_normal_hints(xcb_connection, x_window)
+                .unwrap();
+        }
+
         let reply = xcb_connection
             .get_geometry(x_window)
             .unwrap()